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authorLinus Torvalds <torvalds@linux-foundation.org>2023-10-31 18:10:11 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2023-10-31 18:10:11 +0300
commit89ed67ef126c4160349c1b96fdb775ea6170ac90 (patch)
tree98caaf8bba44b21f9345a0af1dd2bd9987764e27 /tools/testing/selftests/bpf/prog_tests
parent5a6a09e97199d6600d31383055f9d43fbbcbe86f (diff)
parentf1c73396133cb3d913e2075298005644ee8dfade (diff)
downloadlinux-89ed67ef126c4160349c1b96fdb775ea6170ac90.tar.xz
Merge tag 'net-next-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from Jakub Kicinski: "Core & protocols: - Support usec resolution of TCP timestamps, enabled selectively by a route attribute. - Defer regular TCP ACK while processing socket backlog, try to send a cumulative ACK at the end. Increase single TCP flow performance on a 200Gbit NIC by 20% (100Gbit -> 120Gbit). - The Fair Queuing (FQ) packet scheduler: - add built-in 3 band prio / WRR scheduling - support bypass if the qdisc is mostly idle (5% speed up for TCP RR) - improve inactive flow reporting - optimize the layout of structures for better cache locality - Support TCP Authentication Option (RFC 5925, TCP-AO), a more modern replacement for the old MD5 option. - Add more retransmission timeout (RTO) related statistics to TCP_INFO. - Support sending fragmented skbs over vsock sockets. - Make sure we send SIGPIPE for vsock sockets if socket was shutdown(). - Add sysctl for ignoring lower limit on lifetime in Router Advertisement PIO, based on an in-progress IETF draft. - Add sysctl to control activation of TCP ping-pong mode. - Add sysctl to make connection timeout in MPTCP configurable. - Support rcvlowat and notsent_lowat on MPTCP sockets, to help apps limit the number of wakeups. - Support netlink GET for MDB (multicast forwarding), allowing user space to request a single MDB entry instead of dumping the entire table. - Support selective FDB flushing in the VXLAN tunnel driver. - Allow limiting learned FDB entries in bridges, prevent OOM attacks. - Allow controlling via configfs netconsole targets which were created via the kernel cmdline at boot, rather than via configfs at runtime. - Support multiple PTP timestamp event queue readers with different filters. - MCTP over I3C. BPF: - Add new veth-like netdevice where BPF program defines the logic of the xmit routine. It can operate in L3 and L2 mode. - Support exceptions - allow asserting conditions which should never be true but are hard for the verifier to infer. With some extra flexibility around handling of the exit / failure: https://lwn.net/Articles/938435/ - Add support for local per-cpu kptr, allow allocating and storing per-cpu objects in maps. Access to those objects operates on the value for the current CPU. This allows to deprecate local one-off implementations of per-CPU storage like BPF_MAP_TYPE_PERCPU_CGROUP_STORAGE maps. - Extend cgroup BPF sockaddr hooks for UNIX sockets. The use case is for systemd to re-implement the LogNamespace feature which allows running multiple instances of systemd-journald to process the logs of different services. - Enable open-coded task_vma iteration, after maple tree conversion made it hard to directly walk VMAs in tracing programs. - Add open-coded task, css_task and css iterator support. One of the use cases is customizable OOM victim selection via BPF. - Allow source address selection with bpf_*_fib_lookup(). - Add ability to pin BPF timer to the current CPU. - Prevent creation of infinite loops by combining tail calls and fentry/fexit programs. - Add missed stats for kprobes to retrieve the number of missed kprobe executions and subsequent executions of BPF programs. - Inherit system settings for CPU security mitigations. - Add BPF v4 CPU instruction support for arm32 and s390x. Changes to common code: - overflow: add DEFINE_FLEX() for on-stack definition of structs with flexible array members. - Process doc update with more guidance for reviewers. Driver API: - Simplify locking in WiFi (cfg80211 and mac80211 layers), use wiphy mutex in most places and remove a lot of smaller locks. - Create a common DPLL configuration API. Allow configuring and querying state of PLL circuits used for clock syntonization, in network time distribution. - Unify fragmented and full page allocation APIs in page pool code. Let drivers be ignorant of PAGE_SIZE. - Rework PHY state machine to avoid races with calls to phy_stop(). - Notify DSA drivers of MAC address changes on user ports, improve correctness of offloads which depend on matching port MAC addresses. - Allow antenna control on injected WiFi frames. - Reduce the number of variants of napi_schedule(). - Simplify error handling when composing devlink health messages. Misc: - A lot of KCSAN data race "fixes", from Eric. - A lot of __counted_by() annotations, from Kees. - A lot of strncpy -> strscpy and printf format fixes. - Replace master/slave terminology with conduit/user in DSA drivers. - Handful of KUnit tests for netdev and WiFi core. Removed: - AppleTalk COPS. - AppleTalk ipddp. - TI AR7 CPMAC Ethernet driver. Drivers: - Ethernet high-speed NICs: - Intel (100G, ice, idpf): - add a driver for the Intel E2000 IPUs - make CRC/FCS stripping configurable - cross-timestamping for E823 devices - basic support for E830 devices - use aux-bus for managing client drivers - i40e: report firmware versions via devlink - nVidia/Mellanox: - support 4-port NICs - increase max number of channels to 256 - optimize / parallelize SF creation flow - Broadcom (bnxt): - enhance NIC temperature reporting - support PAM4 speeds and lane configuration - Marvell OcteonTX2: - PTP pulse-per-second output support - enable hardware timestamping for VFs - Solarflare/AMD: - conntrack NAT offload and offload for tunnels - Wangxun (ngbe/txgbe): - expose HW statistics - Pensando/AMD: - support PCI level reset - narrow down the condition under which skbs are linearized - Netronome/Corigine (nfp): - support CHACHA20-POLY1305 crypto in IPsec offload - Ethernet NICs embedded, slower, virtual: - Synopsys (stmmac): - add Loongson-1 SoC support - enable use of HW queues with no offload capabilities - enable PPS input support on all 5 channels - increase TX coalesce timer to 5ms - RealTek USB (r8152): improve efficiency of Rx by using GRO frags - xen: support SW packet timestamping - add drivers for implementations based on TI's PRUSS (AM64x EVM) - nVidia/Mellanox Ethernet datacenter switches: - avoid poor HW resource use on Spectrum-4 by better block selection for IPv6 multicast forwarding and ordering of blocks in ACL region - Ethernet embedded switches: - Microchip: - support configuring the drive strength for EMI compliance - ksz9477: partial ACL support - ksz9477: HSR offload - ksz9477: Wake on LAN - Realtek: - rtl8366rb: respect device tree config of the CPU port - Ethernet PHYs: - support Broadcom BCM5221 PHYs - TI dp83867: support hardware LED blinking - CAN: - add support for Linux-PHY based CAN transceivers - at91_can: clean up and use rx-offload helpers - WiFi: - MediaTek (mt76): - new sub-driver for mt7925 USB/PCIe devices - HW wireless <> Ethernet bridging in MT7988 chips - mt7603/mt7628 stability improvements - Qualcomm (ath12k): - WCN7850: - enable 320 MHz channels in 6 GHz band - hardware rfkill support - enable IEEE80211_HW_SINGLE_SCAN_ON_ALL_BANDS to make scan faster - read board data variant name from SMBIOS - QCN9274: mesh support - RealTek (rtw89): - TDMA-based multi-channel concurrency (MCC) - Silicon Labs (wfx): - Remain-On-Channel (ROC) support - Bluetooth: - ISO: many improvements for broadcast support - mark BCM4378/BCM4387 as BROKEN_LE_CODED - add support for QCA2066 - btmtksdio: enable Bluetooth wakeup from suspend" * tag 'net-next-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1816 commits) net: pcs: xpcs: Add 2500BASE-X case in get state for XPCS drivers net: bpf: Use sockopt_lock_sock() in ip_sock_set_tos() net: mana: Use xdp_set_features_flag instead of direct assignment vxlan: Cleanup IFLA_VXLAN_PORT_RANGE entry in vxlan_get_size() iavf: delete the iavf client interface iavf: add a common function for undoing the interrupt scheme iavf: use unregister_netdev iavf: rely on netdev's own registered state iavf: fix the waiting time for initial reset iavf: in iavf_down, don't queue watchdog_task if comms failed iavf: simplify mutex_trylock+sleep loops iavf: fix comments about old bit locks doc/netlink: Update schema to support cmd-cnt-name and cmd-max-name tools: ynl: introduce option to process unknown attributes or types ipvlan: properly track tx_errors netdevsim: Block until all devices are released nfp: using napi_build_skb() to replace build_skb() net: dsa: microchip: ksz9477: Fix spelling mistake "Enery" -> "Energy" net: dsa: microchip: Ensure Stable PME Pin State for Wake-on-LAN net: dsa: microchip: Refactor switch shutdown routine for WoL preparation ...
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests')
-rw-r--r--tools/testing/selftests/bpf/prog_tests/align.c241
-rw-r--r--tools/testing/selftests/bpf/prog_tests/bloom_filter_map.c4
-rw-r--r--tools/testing/selftests/bpf/prog_tests/bpf_iter.c44
-rw-r--r--tools/testing/selftests/bpf/prog_tests/btf.c4
-rw-r--r--tools/testing/selftests/bpf/prog_tests/connect_ping.c4
-rw-r--r--tools/testing/selftests/bpf/prog_tests/exceptions.c409
-rw-r--r--tools/testing/selftests/bpf/prog_tests/fib_lookup.c83
-rw-r--r--tools/testing/selftests/bpf/prog_tests/fill_link_info.c2
-rw-r--r--tools/testing/selftests/bpf/prog_tests/iters.c208
-rw-r--r--tools/testing/selftests/bpf/prog_tests/kprobe_multi_testmod_test.c20
-rw-r--r--tools/testing/selftests/bpf/prog_tests/libbpf_str.c6
-rw-r--r--tools/testing/selftests/bpf/prog_tests/linked_list.c16
-rw-r--r--tools/testing/selftests/bpf/prog_tests/lwt_helpers.h3
-rw-r--r--tools/testing/selftests/bpf/prog_tests/missed.c138
-rw-r--r--tools/testing/selftests/bpf/prog_tests/module_fentry_shadow.c5
-rw-r--r--tools/testing/selftests/bpf/prog_tests/percpu_alloc.c128
-rw-r--r--tools/testing/selftests/bpf/prog_tests/preempted_bpf_ma_op.c89
-rw-r--r--tools/testing/selftests/bpf/prog_tests/queue_stack_map.c2
-rw-r--r--tools/testing/selftests/bpf/prog_tests/ringbuf.c26
-rw-r--r--tools/testing/selftests/bpf/prog_tests/ringbuf_multi.c15
-rw-r--r--tools/testing/selftests/bpf/prog_tests/section_names.c45
-rw-r--r--tools/testing/selftests/bpf/prog_tests/sock_addr.c612
-rw-r--r--tools/testing/selftests/bpf/prog_tests/sockmap_basic.c8
-rw-r--r--tools/testing/selftests/bpf/prog_tests/sockmap_helpers.h2
-rw-r--r--tools/testing/selftests/bpf/prog_tests/sockmap_listen.c150
-rw-r--r--tools/testing/selftests/bpf/prog_tests/tailcalls.c269
-rw-r--r--tools/testing/selftests/bpf/prog_tests/task_under_cgroup.c11
-rw-r--r--tools/testing/selftests/bpf/prog_tests/tc_helpers.h4
-rw-r--r--tools/testing/selftests/bpf/prog_tests/tc_netkit.c687
-rw-r--r--tools/testing/selftests/bpf/prog_tests/tc_opts.c131
-rw-r--r--tools/testing/selftests/bpf/prog_tests/test_bpf_ma.c20
-rw-r--r--tools/testing/selftests/bpf/prog_tests/timer.c4
-rw-r--r--tools/testing/selftests/bpf/prog_tests/uprobe.c95
-rw-r--r--tools/testing/selftests/bpf/prog_tests/xdp_metadata.c2
34 files changed, 3164 insertions, 323 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/align.c b/tools/testing/selftests/bpf/prog_tests/align.c
index b92770592563..465c1c3a3d3c 100644
--- a/tools/testing/selftests/bpf/prog_tests/align.c
+++ b/tools/testing/selftests/bpf/prog_tests/align.c
@@ -6,6 +6,7 @@
struct bpf_reg_match {
unsigned int line;
+ const char *reg;
const char *match;
};
@@ -39,13 +40,13 @@ static struct bpf_align_test tests[] = {
},
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
.matches = {
- {0, "R1=ctx(off=0,imm=0)"},
- {0, "R10=fp0"},
- {0, "R3_w=2"},
- {1, "R3_w=4"},
- {2, "R3_w=8"},
- {3, "R3_w=16"},
- {4, "R3_w=32"},
+ {0, "R1", "ctx(off=0,imm=0)"},
+ {0, "R10", "fp0"},
+ {0, "R3_w", "2"},
+ {1, "R3_w", "4"},
+ {2, "R3_w", "8"},
+ {3, "R3_w", "16"},
+ {4, "R3_w", "32"},
},
},
{
@@ -67,19 +68,19 @@ static struct bpf_align_test tests[] = {
},
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
.matches = {
- {0, "R1=ctx(off=0,imm=0)"},
- {0, "R10=fp0"},
- {0, "R3_w=1"},
- {1, "R3_w=2"},
- {2, "R3_w=4"},
- {3, "R3_w=8"},
- {4, "R3_w=16"},
- {5, "R3_w=1"},
- {6, "R4_w=32"},
- {7, "R4_w=16"},
- {8, "R4_w=8"},
- {9, "R4_w=4"},
- {10, "R4_w=2"},
+ {0, "R1", "ctx(off=0,imm=0)"},
+ {0, "R10", "fp0"},
+ {0, "R3_w", "1"},
+ {1, "R3_w", "2"},
+ {2, "R3_w", "4"},
+ {3, "R3_w", "8"},
+ {4, "R3_w", "16"},
+ {5, "R3_w", "1"},
+ {6, "R4_w", "32"},
+ {7, "R4_w", "16"},
+ {8, "R4_w", "8"},
+ {9, "R4_w", "4"},
+ {10, "R4_w", "2"},
},
},
{
@@ -96,14 +97,14 @@ static struct bpf_align_test tests[] = {
},
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
.matches = {
- {0, "R1=ctx(off=0,imm=0)"},
- {0, "R10=fp0"},
- {0, "R3_w=4"},
- {1, "R3_w=8"},
- {2, "R3_w=10"},
- {3, "R4_w=8"},
- {4, "R4_w=12"},
- {5, "R4_w=14"},
+ {0, "R1", "ctx(off=0,imm=0)"},
+ {0, "R10", "fp0"},
+ {0, "R3_w", "4"},
+ {1, "R3_w", "8"},
+ {2, "R3_w", "10"},
+ {3, "R4_w", "8"},
+ {4, "R4_w", "12"},
+ {5, "R4_w", "14"},
},
},
{
@@ -118,12 +119,12 @@ static struct bpf_align_test tests[] = {
},
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
.matches = {
- {0, "R1=ctx(off=0,imm=0)"},
- {0, "R10=fp0"},
- {0, "R3_w=7"},
- {1, "R3_w=7"},
- {2, "R3_w=14"},
- {3, "R3_w=56"},
+ {0, "R1", "ctx(off=0,imm=0)"},
+ {0, "R10", "fp0"},
+ {0, "R3_w", "7"},
+ {1, "R3_w", "7"},
+ {2, "R3_w", "14"},
+ {3, "R3_w", "56"},
},
},
@@ -161,19 +162,19 @@ static struct bpf_align_test tests[] = {
},
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
.matches = {
- {6, "R0_w=pkt(off=8,r=8,imm=0)"},
- {6, "R3_w=scalar(umax=255,var_off=(0x0; 0xff))"},
- {7, "R3_w=scalar(umax=510,var_off=(0x0; 0x1fe))"},
- {8, "R3_w=scalar(umax=1020,var_off=(0x0; 0x3fc))"},
- {9, "R3_w=scalar(umax=2040,var_off=(0x0; 0x7f8))"},
- {10, "R3_w=scalar(umax=4080,var_off=(0x0; 0xff0))"},
- {12, "R3_w=pkt_end(off=0,imm=0)"},
- {17, "R4_w=scalar(umax=255,var_off=(0x0; 0xff))"},
- {18, "R4_w=scalar(umax=8160,var_off=(0x0; 0x1fe0))"},
- {19, "R4_w=scalar(umax=4080,var_off=(0x0; 0xff0))"},
- {20, "R4_w=scalar(umax=2040,var_off=(0x0; 0x7f8))"},
- {21, "R4_w=scalar(umax=1020,var_off=(0x0; 0x3fc))"},
- {22, "R4_w=scalar(umax=510,var_off=(0x0; 0x1fe))"},
+ {6, "R0_w", "pkt(off=8,r=8,imm=0)"},
+ {6, "R3_w", "var_off=(0x0; 0xff)"},
+ {7, "R3_w", "var_off=(0x0; 0x1fe)"},
+ {8, "R3_w", "var_off=(0x0; 0x3fc)"},
+ {9, "R3_w", "var_off=(0x0; 0x7f8)"},
+ {10, "R3_w", "var_off=(0x0; 0xff0)"},
+ {12, "R3_w", "pkt_end(off=0,imm=0)"},
+ {17, "R4_w", "var_off=(0x0; 0xff)"},
+ {18, "R4_w", "var_off=(0x0; 0x1fe0)"},
+ {19, "R4_w", "var_off=(0x0; 0xff0)"},
+ {20, "R4_w", "var_off=(0x0; 0x7f8)"},
+ {21, "R4_w", "var_off=(0x0; 0x3fc)"},
+ {22, "R4_w", "var_off=(0x0; 0x1fe)"},
},
},
{
@@ -194,16 +195,16 @@ static struct bpf_align_test tests[] = {
},
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
.matches = {
- {6, "R3_w=scalar(umax=255,var_off=(0x0; 0xff))"},
- {7, "R4_w=scalar(id=1,umax=255,var_off=(0x0; 0xff))"},
- {8, "R4_w=scalar(umax=255,var_off=(0x0; 0xff))"},
- {9, "R4_w=scalar(id=1,umax=255,var_off=(0x0; 0xff))"},
- {10, "R4_w=scalar(umax=510,var_off=(0x0; 0x1fe))"},
- {11, "R4_w=scalar(id=1,umax=255,var_off=(0x0; 0xff))"},
- {12, "R4_w=scalar(umax=1020,var_off=(0x0; 0x3fc))"},
- {13, "R4_w=scalar(id=1,umax=255,var_off=(0x0; 0xff))"},
- {14, "R4_w=scalar(umax=2040,var_off=(0x0; 0x7f8))"},
- {15, "R4_w=scalar(umax=4080,var_off=(0x0; 0xff0))"},
+ {6, "R3_w", "var_off=(0x0; 0xff)"},
+ {7, "R4_w", "var_off=(0x0; 0xff)"},
+ {8, "R4_w", "var_off=(0x0; 0xff)"},
+ {9, "R4_w", "var_off=(0x0; 0xff)"},
+ {10, "R4_w", "var_off=(0x0; 0x1fe)"},
+ {11, "R4_w", "var_off=(0x0; 0xff)"},
+ {12, "R4_w", "var_off=(0x0; 0x3fc)"},
+ {13, "R4_w", "var_off=(0x0; 0xff)"},
+ {14, "R4_w", "var_off=(0x0; 0x7f8)"},
+ {15, "R4_w", "var_off=(0x0; 0xff0)"},
},
},
{
@@ -234,14 +235,14 @@ static struct bpf_align_test tests[] = {
},
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
.matches = {
- {2, "R5_w=pkt(off=0,r=0,imm=0)"},
- {4, "R5_w=pkt(off=14,r=0,imm=0)"},
- {5, "R4_w=pkt(off=14,r=0,imm=0)"},
- {9, "R2=pkt(off=0,r=18,imm=0)"},
- {10, "R5=pkt(off=14,r=18,imm=0)"},
- {10, "R4_w=scalar(umax=255,var_off=(0x0; 0xff))"},
- {13, "R4_w=scalar(umax=65535,var_off=(0x0; 0xffff))"},
- {14, "R4_w=scalar(umax=65535,var_off=(0x0; 0xffff))"},
+ {2, "R5_w", "pkt(off=0,r=0,imm=0)"},
+ {4, "R5_w", "pkt(off=14,r=0,imm=0)"},
+ {5, "R4_w", "pkt(off=14,r=0,imm=0)"},
+ {9, "R2", "pkt(off=0,r=18,imm=0)"},
+ {10, "R5", "pkt(off=14,r=18,imm=0)"},
+ {10, "R4_w", "var_off=(0x0; 0xff)"},
+ {13, "R4_w", "var_off=(0x0; 0xffff)"},
+ {14, "R4_w", "var_off=(0x0; 0xffff)"},
},
},
{
@@ -298,20 +299,20 @@ static struct bpf_align_test tests[] = {
/* Calculated offset in R6 has unknown value, but known
* alignment of 4.
*/
- {6, "R2_w=pkt(off=0,r=8,imm=0)"},
- {7, "R6_w=scalar(umax=1020,var_off=(0x0; 0x3fc))"},
+ {6, "R2_w", "pkt(off=0,r=8,imm=0)"},
+ {7, "R6_w", "var_off=(0x0; 0x3fc)"},
/* Offset is added to packet pointer R5, resulting in
* known fixed offset, and variable offset from R6.
*/
- {11, "R5_w=pkt(id=1,off=14,r=0,umax=1020,var_off=(0x0; 0x3fc))"},
+ {11, "R5_w", "pkt(id=1,off=14,"},
/* At the time the word size load is performed from R5,
* it's total offset is NET_IP_ALIGN + reg->off (0) +
* reg->aux_off (14) which is 16. Then the variable
* offset is considered using reg->aux_off_align which
* is 4 and meets the load's requirements.
*/
- {15, "R4=pkt(id=1,off=18,r=18,umax=1020,var_off=(0x0; 0x3fc))"},
- {15, "R5=pkt(id=1,off=14,r=18,umax=1020,var_off=(0x0; 0x3fc))"},
+ {15, "R4", "var_off=(0x0; 0x3fc)"},
+ {15, "R5", "var_off=(0x0; 0x3fc)"},
/* Variable offset is added to R5 packet pointer,
* resulting in auxiliary alignment of 4. To avoid BPF
* verifier's precision backtracking logging
@@ -319,46 +320,46 @@ static struct bpf_align_test tests[] = {
* instruction to validate R5 state. We also check
* that R4 is what it should be in such case.
*/
- {18, "R4_w=pkt(id=2,off=0,r=0,umax=1020,var_off=(0x0; 0x3fc))"},
- {18, "R5_w=pkt(id=2,off=0,r=0,umax=1020,var_off=(0x0; 0x3fc))"},
+ {18, "R4_w", "var_off=(0x0; 0x3fc)"},
+ {18, "R5_w", "var_off=(0x0; 0x3fc)"},
/* Constant offset is added to R5, resulting in
* reg->off of 14.
*/
- {19, "R5_w=pkt(id=2,off=14,r=0,umax=1020,var_off=(0x0; 0x3fc))"},
+ {19, "R5_w", "pkt(id=2,off=14,"},
/* At the time the word size load is performed from R5,
* its total fixed offset is NET_IP_ALIGN + reg->off
* (14) which is 16. Then the variable offset is 4-byte
* aligned, so the total offset is 4-byte aligned and
* meets the load's requirements.
*/
- {24, "R4=pkt(id=2,off=18,r=18,umax=1020,var_off=(0x0; 0x3fc))"},
- {24, "R5=pkt(id=2,off=14,r=18,umax=1020,var_off=(0x0; 0x3fc))"},
+ {24, "R4", "var_off=(0x0; 0x3fc)"},
+ {24, "R5", "var_off=(0x0; 0x3fc)"},
/* Constant offset is added to R5 packet pointer,
* resulting in reg->off value of 14.
*/
- {26, "R5_w=pkt(off=14,r=8"},
+ {26, "R5_w", "pkt(off=14,r=8,"},
/* Variable offset is added to R5, resulting in a
* variable offset of (4n). See comment for insn #18
* for R4 = R5 trick.
*/
- {28, "R4_w=pkt(id=3,off=14,r=0,umax=1020,var_off=(0x0; 0x3fc))"},
- {28, "R5_w=pkt(id=3,off=14,r=0,umax=1020,var_off=(0x0; 0x3fc))"},
+ {28, "R4_w", "var_off=(0x0; 0x3fc)"},
+ {28, "R5_w", "var_off=(0x0; 0x3fc)"},
/* Constant is added to R5 again, setting reg->off to 18. */
- {29, "R5_w=pkt(id=3,off=18,r=0,umax=1020,var_off=(0x0; 0x3fc))"},
+ {29, "R5_w", "pkt(id=3,off=18,"},
/* And once more we add a variable; resulting var_off
* is still (4n), fixed offset is not changed.
* Also, we create a new reg->id.
*/
- {31, "R4_w=pkt(id=4,off=18,r=0,umax=2040,var_off=(0x0; 0x7fc)"},
- {31, "R5_w=pkt(id=4,off=18,r=0,umax=2040,var_off=(0x0; 0x7fc)"},
+ {31, "R4_w", "var_off=(0x0; 0x7fc)"},
+ {31, "R5_w", "var_off=(0x0; 0x7fc)"},
/* At the time the word size load is performed from R5,
* its total fixed offset is NET_IP_ALIGN + reg->off (18)
* which is 20. Then the variable offset is (4n), so
* the total offset is 4-byte aligned and meets the
* load's requirements.
*/
- {35, "R4=pkt(id=4,off=22,r=22,umax=2040,var_off=(0x0; 0x7fc)"},
- {35, "R5=pkt(id=4,off=18,r=22,umax=2040,var_off=(0x0; 0x7fc)"},
+ {35, "R4", "var_off=(0x0; 0x7fc)"},
+ {35, "R5", "var_off=(0x0; 0x7fc)"},
},
},
{
@@ -396,36 +397,36 @@ static struct bpf_align_test tests[] = {
/* Calculated offset in R6 has unknown value, but known
* alignment of 4.
*/
- {6, "R2_w=pkt(off=0,r=8,imm=0)"},
- {7, "R6_w=scalar(umax=1020,var_off=(0x0; 0x3fc))"},
+ {6, "R2_w", "pkt(off=0,r=8,imm=0)"},
+ {7, "R6_w", "var_off=(0x0; 0x3fc)"},
/* Adding 14 makes R6 be (4n+2) */
- {8, "R6_w=scalar(umin=14,umax=1034,var_off=(0x2; 0x7fc))"},
+ {8, "R6_w", "var_off=(0x2; 0x7fc)"},
/* Packet pointer has (4n+2) offset */
- {11, "R5_w=pkt(id=1,off=0,r=0,umin=14,umax=1034,var_off=(0x2; 0x7fc)"},
- {12, "R4=pkt(id=1,off=4,r=0,umin=14,umax=1034,var_off=(0x2; 0x7fc)"},
+ {11, "R5_w", "var_off=(0x2; 0x7fc)"},
+ {12, "R4", "var_off=(0x2; 0x7fc)"},
/* At the time the word size load is performed from R5,
* its total fixed offset is NET_IP_ALIGN + reg->off (0)
* which is 2. Then the variable offset is (4n+2), so
* the total offset is 4-byte aligned and meets the
* load's requirements.
*/
- {15, "R5=pkt(id=1,off=0,r=4,umin=14,umax=1034,var_off=(0x2; 0x7fc)"},
+ {15, "R5", "var_off=(0x2; 0x7fc)"},
/* Newly read value in R6 was shifted left by 2, so has
* known alignment of 4.
*/
- {17, "R6_w=scalar(umax=1020,var_off=(0x0; 0x3fc))"},
+ {17, "R6_w", "var_off=(0x0; 0x3fc)"},
/* Added (4n) to packet pointer's (4n+2) var_off, giving
* another (4n+2).
*/
- {19, "R5_w=pkt(id=2,off=0,r=0,umin=14,umax=2054,var_off=(0x2; 0xffc)"},
- {20, "R4=pkt(id=2,off=4,r=0,umin=14,umax=2054,var_off=(0x2; 0xffc)"},
+ {19, "R5_w", "var_off=(0x2; 0xffc)"},
+ {20, "R4", "var_off=(0x2; 0xffc)"},
/* At the time the word size load is performed from R5,
* its total fixed offset is NET_IP_ALIGN + reg->off (0)
* which is 2. Then the variable offset is (4n+2), so
* the total offset is 4-byte aligned and meets the
* load's requirements.
*/
- {23, "R5=pkt(id=2,off=0,r=4,umin=14,umax=2054,var_off=(0x2; 0xffc)"},
+ {23, "R5", "var_off=(0x2; 0xffc)"},
},
},
{
@@ -458,18 +459,18 @@ static struct bpf_align_test tests[] = {
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
.result = REJECT,
.matches = {
- {3, "R5_w=pkt_end(off=0,imm=0)"},
+ {3, "R5_w", "pkt_end(off=0,imm=0)"},
/* (ptr - ptr) << 2 == unknown, (4n) */
- {5, "R5_w=scalar(smax=9223372036854775804,umax=18446744073709551612,var_off=(0x0; 0xfffffffffffffffc)"},
+ {5, "R5_w", "var_off=(0x0; 0xfffffffffffffffc)"},
/* (4n) + 14 == (4n+2). We blow our bounds, because
* the add could overflow.
*/
- {6, "R5_w=scalar(smin=-9223372036854775806,smax=9223372036854775806,umin=2,umax=18446744073709551614,var_off=(0x2; 0xfffffffffffffffc)"},
+ {6, "R5_w", "var_off=(0x2; 0xfffffffffffffffc)"},
/* Checked s>=0 */
- {9, "R5=scalar(umin=2,umax=9223372036854775806,var_off=(0x2; 0x7ffffffffffffffc)"},
+ {9, "R5", "var_off=(0x2; 0x7ffffffffffffffc)"},
/* packet pointer + nonnegative (4n+2) */
- {11, "R6_w=pkt(id=1,off=0,r=0,umin=2,umax=9223372036854775806,var_off=(0x2; 0x7ffffffffffffffc)"},
- {12, "R4_w=pkt(id=1,off=4,r=0,umin=2,umax=9223372036854775806,var_off=(0x2; 0x7ffffffffffffffc)"},
+ {11, "R6_w", "var_off=(0x2; 0x7ffffffffffffffc)"},
+ {12, "R4_w", "var_off=(0x2; 0x7ffffffffffffffc)"},
/* NET_IP_ALIGN + (4n+2) == (4n), alignment is fine.
* We checked the bounds, but it might have been able
* to overflow if the packet pointer started in the
@@ -477,7 +478,7 @@ static struct bpf_align_test tests[] = {
* So we did not get a 'range' on R6, and the access
* attempt will fail.
*/
- {15, "R6_w=pkt(id=1,off=0,r=0,umin=2,umax=9223372036854775806,var_off=(0x2; 0x7ffffffffffffffc)"},
+ {15, "R6_w", "var_off=(0x2; 0x7ffffffffffffffc)"},
}
},
{
@@ -512,24 +513,23 @@ static struct bpf_align_test tests[] = {
/* Calculated offset in R6 has unknown value, but known
* alignment of 4.
*/
- {6, "R2_w=pkt(off=0,r=8,imm=0)"},
- {8, "R6_w=scalar(umax=1020,var_off=(0x0; 0x3fc))"},
+ {6, "R2_w", "pkt(off=0,r=8,imm=0)"},
+ {8, "R6_w", "var_off=(0x0; 0x3fc)"},
/* Adding 14 makes R6 be (4n+2) */
- {9, "R6_w=scalar(umin=14,umax=1034,var_off=(0x2; 0x7fc))"},
+ {9, "R6_w", "var_off=(0x2; 0x7fc)"},
/* New unknown value in R7 is (4n) */
- {10, "R7_w=scalar(umax=1020,var_off=(0x0; 0x3fc))"},
+ {10, "R7_w", "var_off=(0x0; 0x3fc)"},
/* Subtracting it from R6 blows our unsigned bounds */
- {11, "R6=scalar(smin=-1006,smax=1034,umin=2,umax=18446744073709551614,var_off=(0x2; 0xfffffffffffffffc)"},
+ {11, "R6", "var_off=(0x2; 0xfffffffffffffffc)"},
/* Checked s>= 0 */
- {14, "R6=scalar(umin=2,umax=1034,var_off=(0x2; 0x7fc))"},
+ {14, "R6", "var_off=(0x2; 0x7fc)"},
/* At the time the word size load is performed from R5,
* its total fixed offset is NET_IP_ALIGN + reg->off (0)
* which is 2. Then the variable offset is (4n+2), so
* the total offset is 4-byte aligned and meets the
* load's requirements.
*/
- {20, "R5=pkt(id=2,off=0,r=4,umin=2,umax=1034,var_off=(0x2; 0x7fc)"},
-
+ {20, "R5", "var_off=(0x2; 0x7fc)"},
},
},
{
@@ -566,23 +566,23 @@ static struct bpf_align_test tests[] = {
/* Calculated offset in R6 has unknown value, but known
* alignment of 4.
*/
- {6, "R2_w=pkt(off=0,r=8,imm=0)"},
- {9, "R6_w=scalar(umax=60,var_off=(0x0; 0x3c))"},
+ {6, "R2_w", "pkt(off=0,r=8,imm=0)"},
+ {9, "R6_w", "var_off=(0x0; 0x3c)"},
/* Adding 14 makes R6 be (4n+2) */
- {10, "R6_w=scalar(umin=14,umax=74,var_off=(0x2; 0x7c))"},
+ {10, "R6_w", "var_off=(0x2; 0x7c)"},
/* Subtracting from packet pointer overflows ubounds */
- {13, "R5_w=pkt(id=2,off=0,r=8,umin=18446744073709551542,umax=18446744073709551602,var_off=(0xffffffffffffff82; 0x7c)"},
+ {13, "R5_w", "var_off=(0xffffffffffffff82; 0x7c)"},
/* New unknown value in R7 is (4n), >= 76 */
- {14, "R7_w=scalar(umin=76,umax=1096,var_off=(0x0; 0x7fc))"},
+ {14, "R7_w", "var_off=(0x0; 0x7fc)"},
/* Adding it to packet pointer gives nice bounds again */
- {16, "R5_w=pkt(id=3,off=0,r=0,umin=2,umax=1082,var_off=(0x2; 0x7fc)"},
+ {16, "R5_w", "var_off=(0x2; 0x7fc)"},
/* At the time the word size load is performed from R5,
* its total fixed offset is NET_IP_ALIGN + reg->off (0)
* which is 2. Then the variable offset is (4n+2), so
* the total offset is 4-byte aligned and meets the
* load's requirements.
*/
- {20, "R5=pkt(id=3,off=0,r=4,umin=2,umax=1082,var_off=(0x2; 0x7fc)"},
+ {20, "R5", "var_off=(0x2; 0x7fc)"},
},
},
};
@@ -635,6 +635,7 @@ static int do_test_single(struct bpf_align_test *test)
line_ptr = strtok(bpf_vlog_copy, "\n");
for (i = 0; i < MAX_MATCHES; i++) {
struct bpf_reg_match m = test->matches[i];
+ const char *p;
int tmp;
if (!m.match)
@@ -649,8 +650,8 @@ static int do_test_single(struct bpf_align_test *test)
line_ptr = strtok(NULL, "\n");
}
if (!line_ptr) {
- printf("Failed to find line %u for match: %s\n",
- m.line, m.match);
+ printf("Failed to find line %u for match: %s=%s\n",
+ m.line, m.reg, m.match);
ret = 1;
printf("%s", bpf_vlog);
break;
@@ -667,15 +668,15 @@ static int do_test_single(struct bpf_align_test *test)
* 6: R0_w=pkt(off=8,r=8,imm=0) R1=ctx(off=0,imm=0) R2_w=pkt(off=0,r=8,imm=0) R3_w=pkt_end(off=0,imm=0) R10=fp0
* 6: (71) r3 = *(u8 *)(r2 +0) ; R2_w=pkt(off=0,r=8,imm=0) R3_w=scalar(umax=255,var_off=(0x0; 0xff))
*/
- while (!strstr(line_ptr, m.match)) {
+ while (!(p = strstr(line_ptr, m.reg)) || !strstr(p, m.match)) {
cur_line = -1;
line_ptr = strtok(NULL, "\n");
sscanf(line_ptr ?: "", "%u: ", &cur_line);
if (!line_ptr || cur_line != m.line)
break;
}
- if (cur_line != m.line || !line_ptr || !strstr(line_ptr, m.match)) {
- printf("Failed to find match %u: %s\n", m.line, m.match);
+ if (cur_line != m.line || !line_ptr || !(p = strstr(line_ptr, m.reg)) || !strstr(p, m.match)) {
+ printf("Failed to find match %u: %s=%s\n", m.line, m.reg, m.match);
ret = 1;
printf("%s", bpf_vlog);
break;
diff --git a/tools/testing/selftests/bpf/prog_tests/bloom_filter_map.c b/tools/testing/selftests/bpf/prog_tests/bloom_filter_map.c
index d2d9e965eba5..053f4d6da77a 100644
--- a/tools/testing/selftests/bpf/prog_tests/bloom_filter_map.c
+++ b/tools/testing/selftests/bpf/prog_tests/bloom_filter_map.c
@@ -193,8 +193,8 @@ error:
void test_bloom_filter_map(void)
{
- __u32 *rand_vals, nr_rand_vals;
- struct bloom_filter_map *skel;
+ __u32 *rand_vals = NULL, nr_rand_vals = 0;
+ struct bloom_filter_map *skel = NULL;
int err;
test_fail_cases();
diff --git a/tools/testing/selftests/bpf/prog_tests/bpf_iter.c b/tools/testing/selftests/bpf/prog_tests/bpf_iter.c
index 1f02168103dd..e3498f607b49 100644
--- a/tools/testing/selftests/bpf/prog_tests/bpf_iter.c
+++ b/tools/testing/selftests/bpf/prog_tests/bpf_iter.c
@@ -7,10 +7,10 @@
#include "bpf_iter_ipv6_route.skel.h"
#include "bpf_iter_netlink.skel.h"
#include "bpf_iter_bpf_map.skel.h"
-#include "bpf_iter_task.skel.h"
+#include "bpf_iter_tasks.skel.h"
#include "bpf_iter_task_stack.skel.h"
#include "bpf_iter_task_file.skel.h"
-#include "bpf_iter_task_vma.skel.h"
+#include "bpf_iter_task_vmas.skel.h"
#include "bpf_iter_task_btf.skel.h"
#include "bpf_iter_tcp4.skel.h"
#include "bpf_iter_tcp6.skel.h"
@@ -215,12 +215,12 @@ static void *do_nothing_wait(void *arg)
static void test_task_common_nocheck(struct bpf_iter_attach_opts *opts,
int *num_unknown, int *num_known)
{
- struct bpf_iter_task *skel;
+ struct bpf_iter_tasks *skel;
pthread_t thread_id;
void *ret;
- skel = bpf_iter_task__open_and_load();
- if (!ASSERT_OK_PTR(skel, "bpf_iter_task__open_and_load"))
+ skel = bpf_iter_tasks__open_and_load();
+ if (!ASSERT_OK_PTR(skel, "bpf_iter_tasks__open_and_load"))
return;
ASSERT_OK(pthread_mutex_lock(&do_nothing_mutex), "pthread_mutex_lock");
@@ -239,7 +239,7 @@ static void test_task_common_nocheck(struct bpf_iter_attach_opts *opts,
ASSERT_FALSE(pthread_join(thread_id, &ret) || ret != NULL,
"pthread_join");
- bpf_iter_task__destroy(skel);
+ bpf_iter_tasks__destroy(skel);
}
static void test_task_common(struct bpf_iter_attach_opts *opts, int num_unknown, int num_known)
@@ -307,10 +307,10 @@ static void test_task_pidfd(void)
static void test_task_sleepable(void)
{
- struct bpf_iter_task *skel;
+ struct bpf_iter_tasks *skel;
- skel = bpf_iter_task__open_and_load();
- if (!ASSERT_OK_PTR(skel, "bpf_iter_task__open_and_load"))
+ skel = bpf_iter_tasks__open_and_load();
+ if (!ASSERT_OK_PTR(skel, "bpf_iter_tasks__open_and_load"))
return;
do_dummy_read(skel->progs.dump_task_sleepable);
@@ -320,7 +320,7 @@ static void test_task_sleepable(void)
ASSERT_GT(skel->bss->num_success_copy_from_user_task, 0,
"num_success_copy_from_user_task");
- bpf_iter_task__destroy(skel);
+ bpf_iter_tasks__destroy(skel);
}
static void test_task_stack(void)
@@ -1399,19 +1399,19 @@ static void str_strip_first_line(char *str)
static void test_task_vma_common(struct bpf_iter_attach_opts *opts)
{
int err, iter_fd = -1, proc_maps_fd = -1;
- struct bpf_iter_task_vma *skel;
+ struct bpf_iter_task_vmas *skel;
int len, read_size = 4;
char maps_path[64];
- skel = bpf_iter_task_vma__open();
- if (!ASSERT_OK_PTR(skel, "bpf_iter_task_vma__open"))
+ skel = bpf_iter_task_vmas__open();
+ if (!ASSERT_OK_PTR(skel, "bpf_iter_task_vmas__open"))
return;
skel->bss->pid = getpid();
skel->bss->one_task = opts ? 1 : 0;
- err = bpf_iter_task_vma__load(skel);
- if (!ASSERT_OK(err, "bpf_iter_task_vma__load"))
+ err = bpf_iter_task_vmas__load(skel);
+ if (!ASSERT_OK(err, "bpf_iter_task_vmas__load"))
goto out;
skel->links.proc_maps = bpf_program__attach_iter(
@@ -1462,25 +1462,25 @@ static void test_task_vma_common(struct bpf_iter_attach_opts *opts)
out:
close(proc_maps_fd);
close(iter_fd);
- bpf_iter_task_vma__destroy(skel);
+ bpf_iter_task_vmas__destroy(skel);
}
static void test_task_vma_dead_task(void)
{
- struct bpf_iter_task_vma *skel;
+ struct bpf_iter_task_vmas *skel;
int wstatus, child_pid = -1;
time_t start_tm, cur_tm;
int err, iter_fd = -1;
int wait_sec = 3;
- skel = bpf_iter_task_vma__open();
- if (!ASSERT_OK_PTR(skel, "bpf_iter_task_vma__open"))
+ skel = bpf_iter_task_vmas__open();
+ if (!ASSERT_OK_PTR(skel, "bpf_iter_task_vmas__open"))
return;
skel->bss->pid = getpid();
- err = bpf_iter_task_vma__load(skel);
- if (!ASSERT_OK(err, "bpf_iter_task_vma__load"))
+ err = bpf_iter_task_vmas__load(skel);
+ if (!ASSERT_OK(err, "bpf_iter_task_vmas__load"))
goto out;
skel->links.proc_maps = bpf_program__attach_iter(
@@ -1533,7 +1533,7 @@ static void test_task_vma_dead_task(void)
out:
waitpid(child_pid, &wstatus, 0);
close(iter_fd);
- bpf_iter_task_vma__destroy(skel);
+ bpf_iter_task_vmas__destroy(skel);
}
void test_bpf_sockmap_map_iter_fd(void)
diff --git a/tools/testing/selftests/bpf/prog_tests/btf.c b/tools/testing/selftests/bpf/prog_tests/btf.c
index 4e0cdb593318..92d51f377fe5 100644
--- a/tools/testing/selftests/bpf/prog_tests/btf.c
+++ b/tools/testing/selftests/bpf/prog_tests/btf.c
@@ -7296,7 +7296,7 @@ static struct btf_dedup_test dedup_tests[] = {
BTF_FUNC_PROTO_ENC(0, 2), /* [3] */
BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(2), 1),
BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(3), 1),
- BTF_FUNC_ENC(NAME_NTH(4), 2), /* [4] */
+ BTF_FUNC_ENC(NAME_NTH(4), 3), /* [4] */
/* tag -> t */
BTF_DECL_TAG_ENC(NAME_NTH(5), 2, -1), /* [5] */
BTF_DECL_TAG_ENC(NAME_NTH(5), 2, -1), /* [6] */
@@ -7317,7 +7317,7 @@ static struct btf_dedup_test dedup_tests[] = {
BTF_FUNC_PROTO_ENC(0, 2), /* [3] */
BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(2), 1),
BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(3), 1),
- BTF_FUNC_ENC(NAME_NTH(4), 2), /* [4] */
+ BTF_FUNC_ENC(NAME_NTH(4), 3), /* [4] */
BTF_DECL_TAG_ENC(NAME_NTH(5), 2, -1), /* [5] */
BTF_DECL_TAG_ENC(NAME_NTH(5), 4, -1), /* [6] */
BTF_DECL_TAG_ENC(NAME_NTH(5), 4, 1), /* [7] */
diff --git a/tools/testing/selftests/bpf/prog_tests/connect_ping.c b/tools/testing/selftests/bpf/prog_tests/connect_ping.c
index 289218c2216c..40fe571f2fe7 100644
--- a/tools/testing/selftests/bpf/prog_tests/connect_ping.c
+++ b/tools/testing/selftests/bpf/prog_tests/connect_ping.c
@@ -28,9 +28,9 @@ static void subtest(int cgroup_fd, struct connect_ping *skel,
.sin6_family = AF_INET6,
.sin6_addr = IN6ADDR_LOOPBACK_INIT,
};
- struct sockaddr *sa;
+ struct sockaddr *sa = NULL;
socklen_t sa_len;
- int protocol;
+ int protocol = -1;
int sock_fd;
switch (family) {
diff --git a/tools/testing/selftests/bpf/prog_tests/exceptions.c b/tools/testing/selftests/bpf/prog_tests/exceptions.c
new file mode 100644
index 000000000000..516f4a13013c
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/exceptions.c
@@ -0,0 +1,409 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include <network_helpers.h>
+
+#include "exceptions.skel.h"
+#include "exceptions_ext.skel.h"
+#include "exceptions_fail.skel.h"
+#include "exceptions_assert.skel.h"
+
+static char log_buf[1024 * 1024];
+
+static void test_exceptions_failure(void)
+{
+ RUN_TESTS(exceptions_fail);
+}
+
+static void test_exceptions_success(void)
+{
+ LIBBPF_OPTS(bpf_test_run_opts, ropts,
+ .data_in = &pkt_v4,
+ .data_size_in = sizeof(pkt_v4),
+ .repeat = 1,
+ );
+ struct exceptions_ext *eskel = NULL;
+ struct exceptions *skel;
+ int ret;
+
+ skel = exceptions__open();
+ if (!ASSERT_OK_PTR(skel, "exceptions__open"))
+ return;
+
+ ret = exceptions__load(skel);
+ if (!ASSERT_OK(ret, "exceptions__load"))
+ goto done;
+
+ if (!ASSERT_OK(bpf_map_update_elem(bpf_map__fd(skel->maps.jmp_table), &(int){0},
+ &(int){bpf_program__fd(skel->progs.exception_tail_call_target)}, BPF_ANY),
+ "bpf_map_update_elem jmp_table"))
+ goto done;
+
+#define RUN_SUCCESS(_prog, return_val) \
+ if (!test__start_subtest(#_prog)) goto _prog##_##return_val; \
+ ret = bpf_prog_test_run_opts(bpf_program__fd(skel->progs._prog), &ropts); \
+ ASSERT_OK(ret, #_prog " prog run ret"); \
+ ASSERT_EQ(ropts.retval, return_val, #_prog " prog run retval"); \
+ _prog##_##return_val:
+
+ RUN_SUCCESS(exception_throw_always_1, 64);
+ RUN_SUCCESS(exception_throw_always_2, 32);
+ RUN_SUCCESS(exception_throw_unwind_1, 16);
+ RUN_SUCCESS(exception_throw_unwind_2, 32);
+ RUN_SUCCESS(exception_throw_default, 0);
+ RUN_SUCCESS(exception_throw_default_value, 5);
+ RUN_SUCCESS(exception_tail_call, 24);
+ RUN_SUCCESS(exception_ext, 0);
+ RUN_SUCCESS(exception_ext_mod_cb_runtime, 35);
+ RUN_SUCCESS(exception_throw_subprog, 1);
+ RUN_SUCCESS(exception_assert_nz_gfunc, 1);
+ RUN_SUCCESS(exception_assert_zero_gfunc, 1);
+ RUN_SUCCESS(exception_assert_neg_gfunc, 1);
+ RUN_SUCCESS(exception_assert_pos_gfunc, 1);
+ RUN_SUCCESS(exception_assert_negeq_gfunc, 1);
+ RUN_SUCCESS(exception_assert_poseq_gfunc, 1);
+ RUN_SUCCESS(exception_assert_nz_gfunc_with, 1);
+ RUN_SUCCESS(exception_assert_zero_gfunc_with, 1);
+ RUN_SUCCESS(exception_assert_neg_gfunc_with, 1);
+ RUN_SUCCESS(exception_assert_pos_gfunc_with, 1);
+ RUN_SUCCESS(exception_assert_negeq_gfunc_with, 1);
+ RUN_SUCCESS(exception_assert_poseq_gfunc_with, 1);
+ RUN_SUCCESS(exception_bad_assert_nz_gfunc, 0);
+ RUN_SUCCESS(exception_bad_assert_zero_gfunc, 0);
+ RUN_SUCCESS(exception_bad_assert_neg_gfunc, 0);
+ RUN_SUCCESS(exception_bad_assert_pos_gfunc, 0);
+ RUN_SUCCESS(exception_bad_assert_negeq_gfunc, 0);
+ RUN_SUCCESS(exception_bad_assert_poseq_gfunc, 0);
+ RUN_SUCCESS(exception_bad_assert_nz_gfunc_with, 100);
+ RUN_SUCCESS(exception_bad_assert_zero_gfunc_with, 105);
+ RUN_SUCCESS(exception_bad_assert_neg_gfunc_with, 200);
+ RUN_SUCCESS(exception_bad_assert_pos_gfunc_with, 0);
+ RUN_SUCCESS(exception_bad_assert_negeq_gfunc_with, 101);
+ RUN_SUCCESS(exception_bad_assert_poseq_gfunc_with, 99);
+ RUN_SUCCESS(exception_assert_range, 1);
+ RUN_SUCCESS(exception_assert_range_with, 1);
+ RUN_SUCCESS(exception_bad_assert_range, 0);
+ RUN_SUCCESS(exception_bad_assert_range_with, 10);
+
+#define RUN_EXT(load_ret, attach_err, expr, msg, after_link) \
+ { \
+ LIBBPF_OPTS(bpf_object_open_opts, o, .kernel_log_buf = log_buf, \
+ .kernel_log_size = sizeof(log_buf), \
+ .kernel_log_level = 2); \
+ exceptions_ext__destroy(eskel); \
+ eskel = exceptions_ext__open_opts(&o); \
+ struct bpf_program *prog = NULL; \
+ struct bpf_link *link = NULL; \
+ if (!ASSERT_OK_PTR(eskel, "exceptions_ext__open")) \
+ goto done; \
+ (expr); \
+ ASSERT_OK_PTR(bpf_program__name(prog), bpf_program__name(prog)); \
+ if (!ASSERT_EQ(exceptions_ext__load(eskel), load_ret, \
+ "exceptions_ext__load")) { \
+ printf("%s\n", log_buf); \
+ goto done; \
+ } \
+ if (load_ret != 0) { \
+ if (!ASSERT_OK_PTR(strstr(log_buf, msg), "strstr")) { \
+ printf("%s\n", log_buf); \
+ goto done; \
+ } \
+ } \
+ if (!load_ret && attach_err) { \
+ if (!ASSERT_ERR_PTR(link = bpf_program__attach(prog), "attach err")) \
+ goto done; \
+ } else if (!load_ret) { \
+ if (!ASSERT_OK_PTR(link = bpf_program__attach(prog), "attach ok")) \
+ goto done; \
+ (void)(after_link); \
+ bpf_link__destroy(link); \
+ } \
+ }
+
+ if (test__start_subtest("non-throwing fentry -> exception_cb"))
+ RUN_EXT(-EINVAL, true, ({
+ prog = eskel->progs.pfentry;
+ bpf_program__set_autoload(prog, true);
+ if (!ASSERT_OK(bpf_program__set_attach_target(prog,
+ bpf_program__fd(skel->progs.exception_ext_mod_cb_runtime),
+ "exception_cb_mod"), "set_attach_target"))
+ goto done;
+ }), "FENTRY/FEXIT programs cannot attach to exception callback", 0);
+
+ if (test__start_subtest("throwing fentry -> exception_cb"))
+ RUN_EXT(-EINVAL, true, ({
+ prog = eskel->progs.throwing_fentry;
+ bpf_program__set_autoload(prog, true);
+ if (!ASSERT_OK(bpf_program__set_attach_target(prog,
+ bpf_program__fd(skel->progs.exception_ext_mod_cb_runtime),
+ "exception_cb_mod"), "set_attach_target"))
+ goto done;
+ }), "FENTRY/FEXIT programs cannot attach to exception callback", 0);
+
+ if (test__start_subtest("non-throwing fexit -> exception_cb"))
+ RUN_EXT(-EINVAL, true, ({
+ prog = eskel->progs.pfexit;
+ bpf_program__set_autoload(prog, true);
+ if (!ASSERT_OK(bpf_program__set_attach_target(prog,
+ bpf_program__fd(skel->progs.exception_ext_mod_cb_runtime),
+ "exception_cb_mod"), "set_attach_target"))
+ goto done;
+ }), "FENTRY/FEXIT programs cannot attach to exception callback", 0);
+
+ if (test__start_subtest("throwing fexit -> exception_cb"))
+ RUN_EXT(-EINVAL, true, ({
+ prog = eskel->progs.throwing_fexit;
+ bpf_program__set_autoload(prog, true);
+ if (!ASSERT_OK(bpf_program__set_attach_target(prog,
+ bpf_program__fd(skel->progs.exception_ext_mod_cb_runtime),
+ "exception_cb_mod"), "set_attach_target"))
+ goto done;
+ }), "FENTRY/FEXIT programs cannot attach to exception callback", 0);
+
+ if (test__start_subtest("throwing extension (with custom cb) -> exception_cb"))
+ RUN_EXT(-EINVAL, true, ({
+ prog = eskel->progs.throwing_exception_cb_extension;
+ bpf_program__set_autoload(prog, true);
+ if (!ASSERT_OK(bpf_program__set_attach_target(prog,
+ bpf_program__fd(skel->progs.exception_ext_mod_cb_runtime),
+ "exception_cb_mod"), "set_attach_target"))
+ goto done;
+ }), "Extension programs cannot attach to exception callback", 0);
+
+ if (test__start_subtest("throwing extension -> global func in exception_cb"))
+ RUN_EXT(0, false, ({
+ prog = eskel->progs.throwing_exception_cb_extension;
+ bpf_program__set_autoload(prog, true);
+ if (!ASSERT_OK(bpf_program__set_attach_target(prog,
+ bpf_program__fd(skel->progs.exception_ext_mod_cb_runtime),
+ "exception_cb_mod_global"), "set_attach_target"))
+ goto done;
+ }), "", ({ RUN_SUCCESS(exception_ext_mod_cb_runtime, 131); }));
+
+ if (test__start_subtest("throwing extension (with custom cb) -> global func in exception_cb"))
+ RUN_EXT(0, false, ({
+ prog = eskel->progs.throwing_extension;
+ bpf_program__set_autoload(prog, true);
+ if (!ASSERT_OK(bpf_program__set_attach_target(prog,
+ bpf_program__fd(skel->progs.exception_ext),
+ "exception_ext_global"), "set_attach_target"))
+ goto done;
+ }), "", ({ RUN_SUCCESS(exception_ext, 128); }));
+
+ if (test__start_subtest("non-throwing fentry -> non-throwing subprog"))
+ /* non-throwing fentry -> non-throwing subprog : OK */
+ RUN_EXT(0, false, ({
+ prog = eskel->progs.pfentry;
+ bpf_program__set_autoload(prog, true);
+ if (!ASSERT_OK(bpf_program__set_attach_target(prog,
+ bpf_program__fd(skel->progs.exception_throw_subprog),
+ "subprog"), "set_attach_target"))
+ goto done;
+ }), "", 0);
+
+ if (test__start_subtest("throwing fentry -> non-throwing subprog"))
+ /* throwing fentry -> non-throwing subprog : OK */
+ RUN_EXT(0, false, ({
+ prog = eskel->progs.throwing_fentry;
+ bpf_program__set_autoload(prog, true);
+ if (!ASSERT_OK(bpf_program__set_attach_target(prog,
+ bpf_program__fd(skel->progs.exception_throw_subprog),
+ "subprog"), "set_attach_target"))
+ goto done;
+ }), "", 0);
+
+ if (test__start_subtest("non-throwing fentry -> throwing subprog"))
+ /* non-throwing fentry -> throwing subprog : OK */
+ RUN_EXT(0, false, ({
+ prog = eskel->progs.pfentry;
+ bpf_program__set_autoload(prog, true);
+ if (!ASSERT_OK(bpf_program__set_attach_target(prog,
+ bpf_program__fd(skel->progs.exception_throw_subprog),
+ "throwing_subprog"), "set_attach_target"))
+ goto done;
+ }), "", 0);
+
+ if (test__start_subtest("throwing fentry -> throwing subprog"))
+ /* throwing fentry -> throwing subprog : OK */
+ RUN_EXT(0, false, ({
+ prog = eskel->progs.throwing_fentry;
+ bpf_program__set_autoload(prog, true);
+ if (!ASSERT_OK(bpf_program__set_attach_target(prog,
+ bpf_program__fd(skel->progs.exception_throw_subprog),
+ "throwing_subprog"), "set_attach_target"))
+ goto done;
+ }), "", 0);
+
+ if (test__start_subtest("non-throwing fexit -> non-throwing subprog"))
+ /* non-throwing fexit -> non-throwing subprog : OK */
+ RUN_EXT(0, false, ({
+ prog = eskel->progs.pfexit;
+ bpf_program__set_autoload(prog, true);
+ if (!ASSERT_OK(bpf_program__set_attach_target(prog,
+ bpf_program__fd(skel->progs.exception_throw_subprog),
+ "subprog"), "set_attach_target"))
+ goto done;
+ }), "", 0);
+
+ if (test__start_subtest("throwing fexit -> non-throwing subprog"))
+ /* throwing fexit -> non-throwing subprog : OK */
+ RUN_EXT(0, false, ({
+ prog = eskel->progs.throwing_fexit;
+ bpf_program__set_autoload(prog, true);
+ if (!ASSERT_OK(bpf_program__set_attach_target(prog,
+ bpf_program__fd(skel->progs.exception_throw_subprog),
+ "subprog"), "set_attach_target"))
+ goto done;
+ }), "", 0);
+
+ if (test__start_subtest("non-throwing fexit -> throwing subprog"))
+ /* non-throwing fexit -> throwing subprog : OK */
+ RUN_EXT(0, false, ({
+ prog = eskel->progs.pfexit;
+ bpf_program__set_autoload(prog, true);
+ if (!ASSERT_OK(bpf_program__set_attach_target(prog,
+ bpf_program__fd(skel->progs.exception_throw_subprog),
+ "throwing_subprog"), "set_attach_target"))
+ goto done;
+ }), "", 0);
+
+ if (test__start_subtest("throwing fexit -> throwing subprog"))
+ /* throwing fexit -> throwing subprog : OK */
+ RUN_EXT(0, false, ({
+ prog = eskel->progs.throwing_fexit;
+ bpf_program__set_autoload(prog, true);
+ if (!ASSERT_OK(bpf_program__set_attach_target(prog,
+ bpf_program__fd(skel->progs.exception_throw_subprog),
+ "throwing_subprog"), "set_attach_target"))
+ goto done;
+ }), "", 0);
+
+ /* fmod_ret not allowed for subprog - Check so we remember to handle its
+ * throwing specification compatibility with target when supported.
+ */
+ if (test__start_subtest("non-throwing fmod_ret -> non-throwing subprog"))
+ RUN_EXT(-EINVAL, true, ({
+ prog = eskel->progs.pfmod_ret;
+ bpf_program__set_autoload(prog, true);
+ if (!ASSERT_OK(bpf_program__set_attach_target(prog,
+ bpf_program__fd(skel->progs.exception_throw_subprog),
+ "subprog"), "set_attach_target"))
+ goto done;
+ }), "can't modify return codes of BPF program", 0);
+
+ /* fmod_ret not allowed for subprog - Check so we remember to handle its
+ * throwing specification compatibility with target when supported.
+ */
+ if (test__start_subtest("non-throwing fmod_ret -> non-throwing global subprog"))
+ RUN_EXT(-EINVAL, true, ({
+ prog = eskel->progs.pfmod_ret;
+ bpf_program__set_autoload(prog, true);
+ if (!ASSERT_OK(bpf_program__set_attach_target(prog,
+ bpf_program__fd(skel->progs.exception_throw_subprog),
+ "global_subprog"), "set_attach_target"))
+ goto done;
+ }), "can't modify return codes of BPF program", 0);
+
+ if (test__start_subtest("non-throwing extension -> non-throwing subprog"))
+ /* non-throwing extension -> non-throwing subprog : BAD (!global) */
+ RUN_EXT(-EINVAL, true, ({
+ prog = eskel->progs.extension;
+ bpf_program__set_autoload(prog, true);
+ if (!ASSERT_OK(bpf_program__set_attach_target(prog,
+ bpf_program__fd(skel->progs.exception_throw_subprog),
+ "subprog"), "set_attach_target"))
+ goto done;
+ }), "subprog() is not a global function", 0);
+
+ if (test__start_subtest("non-throwing extension -> throwing subprog"))
+ /* non-throwing extension -> throwing subprog : BAD (!global) */
+ RUN_EXT(-EINVAL, true, ({
+ prog = eskel->progs.extension;
+ bpf_program__set_autoload(prog, true);
+ if (!ASSERT_OK(bpf_program__set_attach_target(prog,
+ bpf_program__fd(skel->progs.exception_throw_subprog),
+ "throwing_subprog"), "set_attach_target"))
+ goto done;
+ }), "throwing_subprog() is not a global function", 0);
+
+ if (test__start_subtest("non-throwing extension -> non-throwing subprog"))
+ /* non-throwing extension -> non-throwing global subprog : OK */
+ RUN_EXT(0, false, ({
+ prog = eskel->progs.extension;
+ bpf_program__set_autoload(prog, true);
+ if (!ASSERT_OK(bpf_program__set_attach_target(prog,
+ bpf_program__fd(skel->progs.exception_throw_subprog),
+ "global_subprog"), "set_attach_target"))
+ goto done;
+ }), "", 0);
+
+ if (test__start_subtest("non-throwing extension -> throwing global subprog"))
+ /* non-throwing extension -> throwing global subprog : OK */
+ RUN_EXT(0, false, ({
+ prog = eskel->progs.extension;
+ bpf_program__set_autoload(prog, true);
+ if (!ASSERT_OK(bpf_program__set_attach_target(prog,
+ bpf_program__fd(skel->progs.exception_throw_subprog),
+ "throwing_global_subprog"), "set_attach_target"))
+ goto done;
+ }), "", 0);
+
+ if (test__start_subtest("throwing extension -> throwing global subprog"))
+ /* throwing extension -> throwing global subprog : OK */
+ RUN_EXT(0, false, ({
+ prog = eskel->progs.throwing_extension;
+ bpf_program__set_autoload(prog, true);
+ if (!ASSERT_OK(bpf_program__set_attach_target(prog,
+ bpf_program__fd(skel->progs.exception_throw_subprog),
+ "throwing_global_subprog"), "set_attach_target"))
+ goto done;
+ }), "", 0);
+
+ if (test__start_subtest("throwing extension -> non-throwing global subprog"))
+ /* throwing extension -> non-throwing global subprog : OK */
+ RUN_EXT(0, false, ({
+ prog = eskel->progs.throwing_extension;
+ bpf_program__set_autoload(prog, true);
+ if (!ASSERT_OK(bpf_program__set_attach_target(prog,
+ bpf_program__fd(skel->progs.exception_throw_subprog),
+ "global_subprog"), "set_attach_target"))
+ goto done;
+ }), "", 0);
+
+ if (test__start_subtest("non-throwing extension -> main subprog"))
+ /* non-throwing extension -> main subprog : OK */
+ RUN_EXT(0, false, ({
+ prog = eskel->progs.extension;
+ bpf_program__set_autoload(prog, true);
+ if (!ASSERT_OK(bpf_program__set_attach_target(prog,
+ bpf_program__fd(skel->progs.exception_throw_subprog),
+ "exception_throw_subprog"), "set_attach_target"))
+ goto done;
+ }), "", 0);
+
+ if (test__start_subtest("throwing extension -> main subprog"))
+ /* throwing extension -> main subprog : OK */
+ RUN_EXT(0, false, ({
+ prog = eskel->progs.throwing_extension;
+ bpf_program__set_autoload(prog, true);
+ if (!ASSERT_OK(bpf_program__set_attach_target(prog,
+ bpf_program__fd(skel->progs.exception_throw_subprog),
+ "exception_throw_subprog"), "set_attach_target"))
+ goto done;
+ }), "", 0);
+
+done:
+ exceptions_ext__destroy(eskel);
+ exceptions__destroy(skel);
+}
+
+static void test_exceptions_assertions(void)
+{
+ RUN_TESTS(exceptions_assert);
+}
+
+void test_exceptions(void)
+{
+ test_exceptions_success();
+ test_exceptions_failure();
+ test_exceptions_assertions();
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/fib_lookup.c b/tools/testing/selftests/bpf/prog_tests/fib_lookup.c
index 2fd05649bad1..4ad4cd69152e 100644
--- a/tools/testing/selftests/bpf/prog_tests/fib_lookup.c
+++ b/tools/testing/selftests/bpf/prog_tests/fib_lookup.c
@@ -11,9 +11,13 @@
#define NS_TEST "fib_lookup_ns"
#define IPV6_IFACE_ADDR "face::face"
+#define IPV6_IFACE_ADDR_SEC "cafe::cafe"
+#define IPV6_ADDR_DST "face::3"
#define IPV6_NUD_FAILED_ADDR "face::1"
#define IPV6_NUD_STALE_ADDR "face::2"
#define IPV4_IFACE_ADDR "10.0.0.254"
+#define IPV4_IFACE_ADDR_SEC "10.1.0.254"
+#define IPV4_ADDR_DST "10.2.0.254"
#define IPV4_NUD_FAILED_ADDR "10.0.0.1"
#define IPV4_NUD_STALE_ADDR "10.0.0.2"
#define IPV4_TBID_ADDR "172.0.0.254"
@@ -31,6 +35,7 @@ struct fib_lookup_test {
const char *desc;
const char *daddr;
int expected_ret;
+ const char *expected_src;
int lookup_flags;
__u32 tbid;
__u8 dmac[6];
@@ -69,6 +74,22 @@ static const struct fib_lookup_test tests[] = {
.daddr = IPV6_TBID_DST, .expected_ret = BPF_FIB_LKUP_RET_SUCCESS,
.lookup_flags = BPF_FIB_LOOKUP_DIRECT | BPF_FIB_LOOKUP_TBID, .tbid = 100,
.dmac = DMAC_INIT2, },
+ { .desc = "IPv4 set src addr from netdev",
+ .daddr = IPV4_NUD_FAILED_ADDR, .expected_ret = BPF_FIB_LKUP_RET_SUCCESS,
+ .expected_src = IPV4_IFACE_ADDR,
+ .lookup_flags = BPF_FIB_LOOKUP_SRC | BPF_FIB_LOOKUP_SKIP_NEIGH, },
+ { .desc = "IPv6 set src addr from netdev",
+ .daddr = IPV6_NUD_FAILED_ADDR, .expected_ret = BPF_FIB_LKUP_RET_SUCCESS,
+ .expected_src = IPV6_IFACE_ADDR,
+ .lookup_flags = BPF_FIB_LOOKUP_SRC | BPF_FIB_LOOKUP_SKIP_NEIGH, },
+ { .desc = "IPv4 set prefsrc addr from route",
+ .daddr = IPV4_ADDR_DST, .expected_ret = BPF_FIB_LKUP_RET_SUCCESS,
+ .expected_src = IPV4_IFACE_ADDR_SEC,
+ .lookup_flags = BPF_FIB_LOOKUP_SRC | BPF_FIB_LOOKUP_SKIP_NEIGH, },
+ { .desc = "IPv6 set prefsrc addr route",
+ .daddr = IPV6_ADDR_DST, .expected_ret = BPF_FIB_LKUP_RET_SUCCESS,
+ .expected_src = IPV6_IFACE_ADDR_SEC,
+ .lookup_flags = BPF_FIB_LOOKUP_SRC | BPF_FIB_LOOKUP_SKIP_NEIGH, },
};
static int ifindex;
@@ -97,6 +118,13 @@ static int setup_netns(void)
SYS(fail, "ip neigh add %s dev veth1 nud failed", IPV4_NUD_FAILED_ADDR);
SYS(fail, "ip neigh add %s dev veth1 lladdr %s nud stale", IPV4_NUD_STALE_ADDR, DMAC);
+ /* Setup for prefsrc IP addr selection */
+ SYS(fail, "ip addr add %s/24 dev veth1", IPV4_IFACE_ADDR_SEC);
+ SYS(fail, "ip route add %s/32 dev veth1 src %s", IPV4_ADDR_DST, IPV4_IFACE_ADDR_SEC);
+
+ SYS(fail, "ip addr add %s/64 dev veth1 nodad", IPV6_IFACE_ADDR_SEC);
+ SYS(fail, "ip route add %s/128 dev veth1 src %s", IPV6_ADDR_DST, IPV6_IFACE_ADDR_SEC);
+
/* Setup for tbid lookup tests */
SYS(fail, "ip addr add %s/24 dev veth2", IPV4_TBID_ADDR);
SYS(fail, "ip route del %s/24 dev veth2", IPV4_TBID_NET);
@@ -133,9 +161,12 @@ static int set_lookup_params(struct bpf_fib_lookup *params, const struct fib_loo
if (inet_pton(AF_INET6, test->daddr, params->ipv6_dst) == 1) {
params->family = AF_INET6;
- ret = inet_pton(AF_INET6, IPV6_IFACE_ADDR, params->ipv6_src);
- if (!ASSERT_EQ(ret, 1, "inet_pton(IPV6_IFACE_ADDR)"))
- return -1;
+ if (!(test->lookup_flags & BPF_FIB_LOOKUP_SRC)) {
+ ret = inet_pton(AF_INET6, IPV6_IFACE_ADDR, params->ipv6_src);
+ if (!ASSERT_EQ(ret, 1, "inet_pton(IPV6_IFACE_ADDR)"))
+ return -1;
+ }
+
return 0;
}
@@ -143,9 +174,12 @@ static int set_lookup_params(struct bpf_fib_lookup *params, const struct fib_loo
if (!ASSERT_EQ(ret, 1, "convert IP[46] address"))
return -1;
params->family = AF_INET;
- ret = inet_pton(AF_INET, IPV4_IFACE_ADDR, &params->ipv4_src);
- if (!ASSERT_EQ(ret, 1, "inet_pton(IPV4_IFACE_ADDR)"))
- return -1;
+
+ if (!(test->lookup_flags & BPF_FIB_LOOKUP_SRC)) {
+ ret = inet_pton(AF_INET, IPV4_IFACE_ADDR, &params->ipv4_src);
+ if (!ASSERT_EQ(ret, 1, "inet_pton(IPV4_IFACE_ADDR)"))
+ return -1;
+ }
return 0;
}
@@ -156,6 +190,40 @@ static void mac_str(char *b, const __u8 *mac)
mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
}
+static void assert_src_ip(struct bpf_fib_lookup *fib_params, const char *expected_src)
+{
+ int ret;
+ __u32 src6[4];
+ __be32 src4;
+
+ switch (fib_params->family) {
+ case AF_INET6:
+ ret = inet_pton(AF_INET6, expected_src, src6);
+ ASSERT_EQ(ret, 1, "inet_pton(expected_src)");
+
+ ret = memcmp(src6, fib_params->ipv6_src, sizeof(fib_params->ipv6_src));
+ if (!ASSERT_EQ(ret, 0, "fib_lookup ipv6 src")) {
+ char str_src6[64];
+
+ inet_ntop(AF_INET6, fib_params->ipv6_src, str_src6,
+ sizeof(str_src6));
+ printf("ipv6 expected %s actual %s ", expected_src,
+ str_src6);
+ }
+
+ break;
+ case AF_INET:
+ ret = inet_pton(AF_INET, expected_src, &src4);
+ ASSERT_EQ(ret, 1, "inet_pton(expected_src)");
+
+ ASSERT_EQ(fib_params->ipv4_src, src4, "fib_lookup ipv4 src");
+
+ break;
+ default:
+ PRINT_FAIL("invalid addr family: %d", fib_params->family);
+ }
+}
+
void test_fib_lookup(void)
{
struct bpf_fib_lookup *fib_params;
@@ -207,6 +275,9 @@ void test_fib_lookup(void)
ASSERT_EQ(skel->bss->fib_lookup_ret, tests[i].expected_ret,
"fib_lookup_ret");
+ if (tests[i].expected_src)
+ assert_src_ip(fib_params, tests[i].expected_src);
+
ret = memcmp(tests[i].dmac, fib_params->dmac, sizeof(tests[i].dmac));
if (!ASSERT_EQ(ret, 0, "dmac not match")) {
char expected[18], actual[18];
diff --git a/tools/testing/selftests/bpf/prog_tests/fill_link_info.c b/tools/testing/selftests/bpf/prog_tests/fill_link_info.c
index 9d768e083714..97142a4db374 100644
--- a/tools/testing/selftests/bpf/prog_tests/fill_link_info.c
+++ b/tools/testing/selftests/bpf/prog_tests/fill_link_info.c
@@ -308,7 +308,7 @@ void test_fill_link_info(void)
return;
/* load kallsyms to compare the addr */
- if (!ASSERT_OK(load_kallsyms_refresh(), "load_kallsyms_refresh"))
+ if (!ASSERT_OK(load_kallsyms(), "load_kallsyms"))
goto cleanup;
kprobe_addr = ksym_get_addr(KPROBE_FUNC);
diff --git a/tools/testing/selftests/bpf/prog_tests/iters.c b/tools/testing/selftests/bpf/prog_tests/iters.c
index 10804ae5ae97..c2425791c923 100644
--- a/tools/testing/selftests/bpf/prog_tests/iters.c
+++ b/tools/testing/selftests/bpf/prog_tests/iters.c
@@ -1,13 +1,25 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2023 Meta Platforms, Inc. and affiliates. */
+#include <sys/syscall.h>
+#include <sys/mman.h>
+#include <sys/wait.h>
+#include <unistd.h>
+#include <malloc.h>
+#include <stdlib.h>
#include <test_progs.h>
+#include "cgroup_helpers.h"
#include "iters.skel.h"
#include "iters_state_safety.skel.h"
#include "iters_looping.skel.h"
#include "iters_num.skel.h"
#include "iters_testmod_seq.skel.h"
+#include "iters_task_vma.skel.h"
+#include "iters_task.skel.h"
+#include "iters_css_task.skel.h"
+#include "iters_css.skel.h"
+#include "iters_task_failure.skel.h"
static void subtest_num_iters(void)
{
@@ -90,6 +102,193 @@ cleanup:
iters_testmod_seq__destroy(skel);
}
+static void subtest_task_vma_iters(void)
+{
+ unsigned long start, end, bpf_iter_start, bpf_iter_end;
+ struct iters_task_vma *skel;
+ char rest_of_line[1000];
+ unsigned int seen;
+ FILE *f = NULL;
+ int err;
+
+ skel = iters_task_vma__open_and_load();
+ if (!ASSERT_OK_PTR(skel, "skel_open_and_load"))
+ return;
+
+ skel->bss->target_pid = getpid();
+
+ err = iters_task_vma__attach(skel);
+ if (!ASSERT_OK(err, "skel_attach"))
+ goto cleanup;
+
+ getpgid(skel->bss->target_pid);
+ iters_task_vma__detach(skel);
+
+ if (!ASSERT_GT(skel->bss->vmas_seen, 0, "vmas_seen_gt_zero"))
+ goto cleanup;
+
+ f = fopen("/proc/self/maps", "r");
+ if (!ASSERT_OK_PTR(f, "proc_maps_fopen"))
+ goto cleanup;
+
+ seen = 0;
+ while (fscanf(f, "%lx-%lx %[^\n]\n", &start, &end, rest_of_line) == 3) {
+ /* [vsyscall] vma isn't _really_ part of task->mm vmas.
+ * /proc/PID/maps returns it when out of vmas - see get_gate_vma
+ * calls in fs/proc/task_mmu.c
+ */
+ if (strstr(rest_of_line, "[vsyscall]"))
+ continue;
+
+ bpf_iter_start = skel->bss->vm_ranges[seen].vm_start;
+ bpf_iter_end = skel->bss->vm_ranges[seen].vm_end;
+
+ ASSERT_EQ(bpf_iter_start, start, "vma->vm_start match");
+ ASSERT_EQ(bpf_iter_end, end, "vma->vm_end match");
+ seen++;
+ }
+
+ if (!ASSERT_EQ(skel->bss->vmas_seen, seen, "vmas_seen_eq"))
+ goto cleanup;
+
+cleanup:
+ if (f)
+ fclose(f);
+ iters_task_vma__destroy(skel);
+}
+
+static pthread_mutex_t do_nothing_mutex;
+
+static void *do_nothing_wait(void *arg)
+{
+ pthread_mutex_lock(&do_nothing_mutex);
+ pthread_mutex_unlock(&do_nothing_mutex);
+
+ pthread_exit(arg);
+}
+
+#define thread_num 2
+
+static void subtest_task_iters(void)
+{
+ struct iters_task *skel = NULL;
+ pthread_t thread_ids[thread_num];
+ void *ret;
+ int err;
+
+ skel = iters_task__open_and_load();
+ if (!ASSERT_OK_PTR(skel, "open_and_load"))
+ goto cleanup;
+ skel->bss->target_pid = getpid();
+ err = iters_task__attach(skel);
+ if (!ASSERT_OK(err, "iters_task__attach"))
+ goto cleanup;
+ pthread_mutex_lock(&do_nothing_mutex);
+ for (int i = 0; i < thread_num; i++)
+ ASSERT_OK(pthread_create(&thread_ids[i], NULL, &do_nothing_wait, NULL),
+ "pthread_create");
+
+ syscall(SYS_getpgid);
+ iters_task__detach(skel);
+ ASSERT_EQ(skel->bss->procs_cnt, 1, "procs_cnt");
+ ASSERT_EQ(skel->bss->threads_cnt, thread_num + 1, "threads_cnt");
+ ASSERT_EQ(skel->bss->proc_threads_cnt, thread_num + 1, "proc_threads_cnt");
+ pthread_mutex_unlock(&do_nothing_mutex);
+ for (int i = 0; i < thread_num; i++)
+ ASSERT_OK(pthread_join(thread_ids[i], &ret), "pthread_join");
+cleanup:
+ iters_task__destroy(skel);
+}
+
+extern int stack_mprotect(void);
+
+static void subtest_css_task_iters(void)
+{
+ struct iters_css_task *skel = NULL;
+ int err, cg_fd, cg_id;
+ const char *cgrp_path = "/cg1";
+
+ err = setup_cgroup_environment();
+ if (!ASSERT_OK(err, "setup_cgroup_environment"))
+ goto cleanup;
+ cg_fd = create_and_get_cgroup(cgrp_path);
+ if (!ASSERT_GE(cg_fd, 0, "create_and_get_cgroup"))
+ goto cleanup;
+ cg_id = get_cgroup_id(cgrp_path);
+ err = join_cgroup(cgrp_path);
+ if (!ASSERT_OK(err, "join_cgroup"))
+ goto cleanup;
+
+ skel = iters_css_task__open_and_load();
+ if (!ASSERT_OK_PTR(skel, "open_and_load"))
+ goto cleanup;
+
+ skel->bss->target_pid = getpid();
+ skel->bss->cg_id = cg_id;
+ err = iters_css_task__attach(skel);
+ if (!ASSERT_OK(err, "iters_task__attach"))
+ goto cleanup;
+ err = stack_mprotect();
+ if (!ASSERT_EQ(err, -1, "stack_mprotect") ||
+ !ASSERT_EQ(errno, EPERM, "stack_mprotect"))
+ goto cleanup;
+ iters_css_task__detach(skel);
+ ASSERT_EQ(skel->bss->css_task_cnt, 1, "css_task_cnt");
+
+cleanup:
+ cleanup_cgroup_environment();
+ iters_css_task__destroy(skel);
+}
+
+static void subtest_css_iters(void)
+{
+ struct iters_css *skel = NULL;
+ struct {
+ const char *path;
+ int fd;
+ } cgs[] = {
+ { "/cg1" },
+ { "/cg1/cg2" },
+ { "/cg1/cg2/cg3" },
+ { "/cg1/cg2/cg3/cg4" },
+ };
+ int err, cg_nr = ARRAY_SIZE(cgs);
+ int i;
+
+ err = setup_cgroup_environment();
+ if (!ASSERT_OK(err, "setup_cgroup_environment"))
+ goto cleanup;
+ for (i = 0; i < cg_nr; i++) {
+ cgs[i].fd = create_and_get_cgroup(cgs[i].path);
+ if (!ASSERT_GE(cgs[i].fd, 0, "create_and_get_cgroup"))
+ goto cleanup;
+ }
+
+ skel = iters_css__open_and_load();
+ if (!ASSERT_OK_PTR(skel, "open_and_load"))
+ goto cleanup;
+
+ skel->bss->target_pid = getpid();
+ skel->bss->root_cg_id = get_cgroup_id(cgs[0].path);
+ skel->bss->leaf_cg_id = get_cgroup_id(cgs[cg_nr - 1].path);
+ err = iters_css__attach(skel);
+
+ if (!ASSERT_OK(err, "iters_task__attach"))
+ goto cleanup;
+
+ syscall(SYS_getpgid);
+ ASSERT_EQ(skel->bss->pre_order_cnt, cg_nr, "pre_order_cnt");
+ ASSERT_EQ(skel->bss->first_cg_id, get_cgroup_id(cgs[0].path), "first_cg_id");
+
+ ASSERT_EQ(skel->bss->post_order_cnt, cg_nr, "post_order_cnt");
+ ASSERT_EQ(skel->bss->last_cg_id, get_cgroup_id(cgs[0].path), "last_cg_id");
+ ASSERT_EQ(skel->bss->tree_high, cg_nr - 1, "tree_high");
+ iters_css__detach(skel);
+cleanup:
+ cleanup_cgroup_environment();
+ iters_css__destroy(skel);
+}
+
void test_iters(void)
{
RUN_TESTS(iters_state_safety);
@@ -103,4 +302,13 @@ void test_iters(void)
subtest_num_iters();
if (test__start_subtest("testmod_seq"))
subtest_testmod_seq_iters();
+ if (test__start_subtest("task_vma"))
+ subtest_task_vma_iters();
+ if (test__start_subtest("task"))
+ subtest_task_iters();
+ if (test__start_subtest("css_task"))
+ subtest_css_task_iters();
+ if (test__start_subtest("css"))
+ subtest_css_iters();
+ RUN_TESTS(iters_task_failure);
}
diff --git a/tools/testing/selftests/bpf/prog_tests/kprobe_multi_testmod_test.c b/tools/testing/selftests/bpf/prog_tests/kprobe_multi_testmod_test.c
index 1fbe7e4ac00a..9d03528f05db 100644
--- a/tools/testing/selftests/bpf/prog_tests/kprobe_multi_testmod_test.c
+++ b/tools/testing/selftests/bpf/prog_tests/kprobe_multi_testmod_test.c
@@ -4,6 +4,8 @@
#include "trace_helpers.h"
#include "bpf/libbpf_internal.h"
+static struct ksyms *ksyms;
+
static void kprobe_multi_testmod_check(struct kprobe_multi *skel)
{
ASSERT_EQ(skel->bss->kprobe_testmod_test1_result, 1, "kprobe_test1_result");
@@ -50,12 +52,12 @@ static void test_testmod_attach_api_addrs(void)
LIBBPF_OPTS(bpf_kprobe_multi_opts, opts);
unsigned long long addrs[3];
- addrs[0] = ksym_get_addr("bpf_testmod_fentry_test1");
- ASSERT_NEQ(addrs[0], 0, "ksym_get_addr");
- addrs[1] = ksym_get_addr("bpf_testmod_fentry_test2");
- ASSERT_NEQ(addrs[1], 0, "ksym_get_addr");
- addrs[2] = ksym_get_addr("bpf_testmod_fentry_test3");
- ASSERT_NEQ(addrs[2], 0, "ksym_get_addr");
+ addrs[0] = ksym_get_addr_local(ksyms, "bpf_testmod_fentry_test1");
+ ASSERT_NEQ(addrs[0], 0, "ksym_get_addr_local");
+ addrs[1] = ksym_get_addr_local(ksyms, "bpf_testmod_fentry_test2");
+ ASSERT_NEQ(addrs[1], 0, "ksym_get_addr_local");
+ addrs[2] = ksym_get_addr_local(ksyms, "bpf_testmod_fentry_test3");
+ ASSERT_NEQ(addrs[2], 0, "ksym_get_addr_local");
opts.addrs = (const unsigned long *) addrs;
opts.cnt = ARRAY_SIZE(addrs);
@@ -79,11 +81,15 @@ static void test_testmod_attach_api_syms(void)
void serial_test_kprobe_multi_testmod_test(void)
{
- if (!ASSERT_OK(load_kallsyms_refresh(), "load_kallsyms_refresh"))
+ ksyms = load_kallsyms_local();
+ if (!ASSERT_OK_PTR(ksyms, "load_kallsyms_local"))
return;
if (test__start_subtest("testmod_attach_api_syms"))
test_testmod_attach_api_syms();
+
if (test__start_subtest("testmod_attach_api_addrs"))
test_testmod_attach_api_addrs();
+
+ free_kallsyms_local(ksyms);
}
diff --git a/tools/testing/selftests/bpf/prog_tests/libbpf_str.c b/tools/testing/selftests/bpf/prog_tests/libbpf_str.c
index efb8bd43653c..c440ea3311ed 100644
--- a/tools/testing/selftests/bpf/prog_tests/libbpf_str.c
+++ b/tools/testing/selftests/bpf/prog_tests/libbpf_str.c
@@ -142,10 +142,14 @@ static void test_libbpf_bpf_map_type_str(void)
/* Special case for map_type_name BPF_MAP_TYPE_CGROUP_STORAGE_DEPRECATED
* where it and BPF_MAP_TYPE_CGROUP_STORAGE have the same enum value
* (map_type). For this enum value, libbpf_bpf_map_type_str() picks
- * BPF_MAP_TYPE_CGROUP_STORAGE.
+ * BPF_MAP_TYPE_CGROUP_STORAGE. The same for
+ * BPF_MAP_TYPE_PERCPU_CGROUP_STORAGE_DEPRECATED and
+ * BPF_MAP_TYPE_PERCPU_CGROUP_STORAGE.
*/
if (strcmp(map_type_name, "BPF_MAP_TYPE_CGROUP_STORAGE_DEPRECATED") == 0)
continue;
+ if (strcmp(map_type_name, "BPF_MAP_TYPE_PERCPU_CGROUP_STORAGE_DEPRECATED") == 0)
+ continue;
ASSERT_STREQ(buf, map_type_name, "exp_str_value");
}
diff --git a/tools/testing/selftests/bpf/prog_tests/linked_list.c b/tools/testing/selftests/bpf/prog_tests/linked_list.c
index 18cf7b17463d..2fb89de63bd2 100644
--- a/tools/testing/selftests/bpf/prog_tests/linked_list.c
+++ b/tools/testing/selftests/bpf/prog_tests/linked_list.c
@@ -65,8 +65,8 @@ static struct {
{ "map_compat_raw_tp", "tracing progs cannot use bpf_{list_head,rb_root} yet" },
{ "map_compat_raw_tp_w", "tracing progs cannot use bpf_{list_head,rb_root} yet" },
{ "obj_type_id_oor", "local type ID argument must be in range [0, U32_MAX]" },
- { "obj_new_no_composite", "bpf_obj_new type ID argument must be of a struct" },
- { "obj_new_no_struct", "bpf_obj_new type ID argument must be of a struct" },
+ { "obj_new_no_composite", "bpf_obj_new/bpf_percpu_obj_new type ID argument must be of a struct" },
+ { "obj_new_no_struct", "bpf_obj_new/bpf_percpu_obj_new type ID argument must be of a struct" },
{ "obj_drop_non_zero_off", "R1 must have zero offset when passed to release func" },
{ "new_null_ret", "R0 invalid mem access 'ptr_or_null_'" },
{ "obj_new_acq", "Unreleased reference id=" },
@@ -94,14 +94,8 @@ static struct {
{ "incorrect_head_var_off2", "variable ptr_ access var_off=(0x0; 0xffffffff) disallowed" },
{ "incorrect_head_off1", "bpf_list_head not found at offset=25" },
{ "incorrect_head_off2", "bpf_list_head not found at offset=1" },
- { "pop_front_off",
- "15: (bf) r1 = r6 ; R1_w=ptr_or_null_foo(id=4,ref_obj_id=4,off=48,imm=0) "
- "R6_w=ptr_or_null_foo(id=4,ref_obj_id=4,off=48,imm=0) refs=2,4\n"
- "16: (85) call bpf_this_cpu_ptr#154\nR1 type=ptr_or_null_ expected=percpu_ptr_" },
- { "pop_back_off",
- "15: (bf) r1 = r6 ; R1_w=ptr_or_null_foo(id=4,ref_obj_id=4,off=48,imm=0) "
- "R6_w=ptr_or_null_foo(id=4,ref_obj_id=4,off=48,imm=0) refs=2,4\n"
- "16: (85) call bpf_this_cpu_ptr#154\nR1 type=ptr_or_null_ expected=percpu_ptr_" },
+ { "pop_front_off", "off 48 doesn't point to 'struct bpf_spin_lock' that is at 40" },
+ { "pop_back_off", "off 48 doesn't point to 'struct bpf_spin_lock' that is at 40" },
};
static void test_linked_list_fail_prog(const char *prog_name, const char *err_msg)
@@ -268,7 +262,7 @@ end:
static void list_and_rb_node_same_struct(bool refcount_field)
{
- int bpf_rb_node_btf_id, bpf_refcount_btf_id, foo_btf_id;
+ int bpf_rb_node_btf_id, bpf_refcount_btf_id = 0, foo_btf_id;
struct btf *btf;
int id, err;
diff --git a/tools/testing/selftests/bpf/prog_tests/lwt_helpers.h b/tools/testing/selftests/bpf/prog_tests/lwt_helpers.h
index 61333f2a03f9..e9190574e79f 100644
--- a/tools/testing/selftests/bpf/prog_tests/lwt_helpers.h
+++ b/tools/testing/selftests/bpf/prog_tests/lwt_helpers.h
@@ -49,7 +49,8 @@ static int open_tuntap(const char *dev_name, bool need_mac)
return -1;
ifr.ifr_flags = IFF_NO_PI | (need_mac ? IFF_TAP : IFF_TUN);
- memcpy(ifr.ifr_name, dev_name, IFNAMSIZ);
+ strncpy(ifr.ifr_name, dev_name, IFNAMSIZ - 1);
+ ifr.ifr_name[IFNAMSIZ - 1] = '\0';
err = ioctl(fd, TUNSETIFF, &ifr);
if (!ASSERT_OK(err, "ioctl(TUNSETIFF)")) {
diff --git a/tools/testing/selftests/bpf/prog_tests/missed.c b/tools/testing/selftests/bpf/prog_tests/missed.c
new file mode 100644
index 000000000000..70d90c43537c
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/missed.c
@@ -0,0 +1,138 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include "missed_kprobe.skel.h"
+#include "missed_kprobe_recursion.skel.h"
+#include "missed_tp_recursion.skel.h"
+
+/*
+ * Putting kprobe on bpf_fentry_test1 that calls bpf_kfunc_common_test
+ * kfunc, which has also kprobe on. The latter won't get triggered due
+ * to kprobe recursion check and kprobe missed counter is incremented.
+ */
+static void test_missed_perf_kprobe(void)
+{
+ LIBBPF_OPTS(bpf_test_run_opts, topts);
+ struct bpf_link_info info = {};
+ struct missed_kprobe *skel;
+ __u32 len = sizeof(info);
+ int err, prog_fd;
+
+ skel = missed_kprobe__open_and_load();
+ if (!ASSERT_OK_PTR(skel, "missed_kprobe__open_and_load"))
+ goto cleanup;
+
+ err = missed_kprobe__attach(skel);
+ if (!ASSERT_OK(err, "missed_kprobe__attach"))
+ goto cleanup;
+
+ prog_fd = bpf_program__fd(skel->progs.trigger);
+ err = bpf_prog_test_run_opts(prog_fd, &topts);
+ ASSERT_OK(err, "test_run");
+ ASSERT_EQ(topts.retval, 0, "test_run");
+
+ err = bpf_link_get_info_by_fd(bpf_link__fd(skel->links.test2), &info, &len);
+ if (!ASSERT_OK(err, "bpf_link_get_info_by_fd"))
+ goto cleanup;
+
+ ASSERT_EQ(info.type, BPF_LINK_TYPE_PERF_EVENT, "info.type");
+ ASSERT_EQ(info.perf_event.type, BPF_PERF_EVENT_KPROBE, "info.perf_event.type");
+ ASSERT_EQ(info.perf_event.kprobe.missed, 1, "info.perf_event.kprobe.missed");
+
+cleanup:
+ missed_kprobe__destroy(skel);
+}
+
+static __u64 get_missed_count(int fd)
+{
+ struct bpf_prog_info info = {};
+ __u32 len = sizeof(info);
+ int err;
+
+ err = bpf_prog_get_info_by_fd(fd, &info, &len);
+ if (!ASSERT_OK(err, "bpf_prog_get_info_by_fd"))
+ return (__u64) -1;
+ return info.recursion_misses;
+}
+
+/*
+ * Putting kprobe.multi on bpf_fentry_test1 that calls bpf_kfunc_common_test
+ * kfunc which has 3 perf event kprobes and 1 kprobe.multi attached.
+ *
+ * Because fprobe (kprobe.multi attach layear) does not have strict recursion
+ * check the kprobe's bpf_prog_active check is hit for test2-5.
+ */
+static void test_missed_kprobe_recursion(void)
+{
+ LIBBPF_OPTS(bpf_test_run_opts, topts);
+ struct missed_kprobe_recursion *skel;
+ int err, prog_fd;
+
+ skel = missed_kprobe_recursion__open_and_load();
+ if (!ASSERT_OK_PTR(skel, "missed_kprobe_recursion__open_and_load"))
+ goto cleanup;
+
+ err = missed_kprobe_recursion__attach(skel);
+ if (!ASSERT_OK(err, "missed_kprobe_recursion__attach"))
+ goto cleanup;
+
+ prog_fd = bpf_program__fd(skel->progs.trigger);
+ err = bpf_prog_test_run_opts(prog_fd, &topts);
+ ASSERT_OK(err, "test_run");
+ ASSERT_EQ(topts.retval, 0, "test_run");
+
+ ASSERT_EQ(get_missed_count(bpf_program__fd(skel->progs.test1)), 0, "test1_recursion_misses");
+ ASSERT_GE(get_missed_count(bpf_program__fd(skel->progs.test2)), 1, "test2_recursion_misses");
+ ASSERT_GE(get_missed_count(bpf_program__fd(skel->progs.test3)), 1, "test3_recursion_misses");
+ ASSERT_GE(get_missed_count(bpf_program__fd(skel->progs.test4)), 1, "test4_recursion_misses");
+ ASSERT_GE(get_missed_count(bpf_program__fd(skel->progs.test5)), 1, "test5_recursion_misses");
+
+cleanup:
+ missed_kprobe_recursion__destroy(skel);
+}
+
+/*
+ * Putting kprobe on bpf_fentry_test1 that calls bpf_printk and invokes
+ * bpf_trace_printk tracepoint. The bpf_trace_printk tracepoint has test[234]
+ * programs attached to it.
+ *
+ * Because kprobe execution goes through bpf_prog_active check, programs
+ * attached to the tracepoint will fail the recursion check and increment
+ * the recursion_misses stats.
+ */
+static void test_missed_tp_recursion(void)
+{
+ LIBBPF_OPTS(bpf_test_run_opts, topts);
+ struct missed_tp_recursion *skel;
+ int err, prog_fd;
+
+ skel = missed_tp_recursion__open_and_load();
+ if (!ASSERT_OK_PTR(skel, "missed_tp_recursion__open_and_load"))
+ goto cleanup;
+
+ err = missed_tp_recursion__attach(skel);
+ if (!ASSERT_OK(err, "missed_tp_recursion__attach"))
+ goto cleanup;
+
+ prog_fd = bpf_program__fd(skel->progs.trigger);
+ err = bpf_prog_test_run_opts(prog_fd, &topts);
+ ASSERT_OK(err, "test_run");
+ ASSERT_EQ(topts.retval, 0, "test_run");
+
+ ASSERT_EQ(get_missed_count(bpf_program__fd(skel->progs.test1)), 0, "test1_recursion_misses");
+ ASSERT_EQ(get_missed_count(bpf_program__fd(skel->progs.test2)), 1, "test2_recursion_misses");
+ ASSERT_EQ(get_missed_count(bpf_program__fd(skel->progs.test3)), 1, "test3_recursion_misses");
+ ASSERT_EQ(get_missed_count(bpf_program__fd(skel->progs.test4)), 1, "test4_recursion_misses");
+
+cleanup:
+ missed_tp_recursion__destroy(skel);
+}
+
+void test_missed(void)
+{
+ if (test__start_subtest("perf_kprobe"))
+ test_missed_perf_kprobe();
+ if (test__start_subtest("kprobe_recursion"))
+ test_missed_kprobe_recursion();
+ if (test__start_subtest("tp_recursion"))
+ test_missed_tp_recursion();
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/module_fentry_shadow.c b/tools/testing/selftests/bpf/prog_tests/module_fentry_shadow.c
index c7636e18b1eb..aa9f67eb1c95 100644
--- a/tools/testing/selftests/bpf/prog_tests/module_fentry_shadow.c
+++ b/tools/testing/selftests/bpf/prog_tests/module_fentry_shadow.c
@@ -61,6 +61,11 @@ void test_module_fentry_shadow(void)
int link_fd[2] = {};
__s32 btf_id[2] = {};
+ if (!env.has_testmod) {
+ test__skip();
+ return;
+ }
+
LIBBPF_OPTS(bpf_prog_load_opts, load_opts,
.expected_attach_type = BPF_TRACE_FENTRY,
);
diff --git a/tools/testing/selftests/bpf/prog_tests/percpu_alloc.c b/tools/testing/selftests/bpf/prog_tests/percpu_alloc.c
new file mode 100644
index 000000000000..343da65864d6
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/percpu_alloc.c
@@ -0,0 +1,128 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include "percpu_alloc_array.skel.h"
+#include "percpu_alloc_cgrp_local_storage.skel.h"
+#include "percpu_alloc_fail.skel.h"
+
+static void test_array(void)
+{
+ struct percpu_alloc_array *skel;
+ int err, prog_fd;
+ LIBBPF_OPTS(bpf_test_run_opts, topts);
+
+ skel = percpu_alloc_array__open();
+ if (!ASSERT_OK_PTR(skel, "percpu_alloc_array__open"))
+ return;
+
+ bpf_program__set_autoload(skel->progs.test_array_map_1, true);
+ bpf_program__set_autoload(skel->progs.test_array_map_2, true);
+ bpf_program__set_autoload(skel->progs.test_array_map_3, true);
+ bpf_program__set_autoload(skel->progs.test_array_map_4, true);
+
+ skel->bss->my_pid = getpid();
+ skel->rodata->nr_cpus = libbpf_num_possible_cpus();
+
+ err = percpu_alloc_array__load(skel);
+ if (!ASSERT_OK(err, "percpu_alloc_array__load"))
+ goto out;
+
+ err = percpu_alloc_array__attach(skel);
+ if (!ASSERT_OK(err, "percpu_alloc_array__attach"))
+ goto out;
+
+ prog_fd = bpf_program__fd(skel->progs.test_array_map_1);
+ err = bpf_prog_test_run_opts(prog_fd, &topts);
+ ASSERT_OK(err, "test_run array_map 1-4");
+ ASSERT_EQ(topts.retval, 0, "test_run array_map 1-4");
+ ASSERT_EQ(skel->bss->cpu0_field_d, 2, "cpu0_field_d");
+ ASSERT_EQ(skel->bss->sum_field_c, 1, "sum_field_c");
+out:
+ percpu_alloc_array__destroy(skel);
+}
+
+static void test_array_sleepable(void)
+{
+ struct percpu_alloc_array *skel;
+ int err, prog_fd;
+ LIBBPF_OPTS(bpf_test_run_opts, topts);
+
+ skel = percpu_alloc_array__open();
+ if (!ASSERT_OK_PTR(skel, "percpu_alloc__open"))
+ return;
+
+ bpf_program__set_autoload(skel->progs.test_array_map_10, true);
+
+ skel->bss->my_pid = getpid();
+ skel->rodata->nr_cpus = libbpf_num_possible_cpus();
+
+ err = percpu_alloc_array__load(skel);
+ if (!ASSERT_OK(err, "percpu_alloc_array__load"))
+ goto out;
+
+ err = percpu_alloc_array__attach(skel);
+ if (!ASSERT_OK(err, "percpu_alloc_array__attach"))
+ goto out;
+
+ prog_fd = bpf_program__fd(skel->progs.test_array_map_10);
+ err = bpf_prog_test_run_opts(prog_fd, &topts);
+ ASSERT_OK(err, "test_run array_map_10");
+ ASSERT_EQ(topts.retval, 0, "test_run array_map_10");
+ ASSERT_EQ(skel->bss->cpu0_field_d, 2, "cpu0_field_d");
+ ASSERT_EQ(skel->bss->sum_field_c, 1, "sum_field_c");
+out:
+ percpu_alloc_array__destroy(skel);
+}
+
+static void test_cgrp_local_storage(void)
+{
+ struct percpu_alloc_cgrp_local_storage *skel;
+ int err, cgroup_fd, prog_fd;
+ LIBBPF_OPTS(bpf_test_run_opts, topts);
+
+ cgroup_fd = test__join_cgroup("/percpu_alloc");
+ if (!ASSERT_GE(cgroup_fd, 0, "join_cgroup /percpu_alloc"))
+ return;
+
+ skel = percpu_alloc_cgrp_local_storage__open();
+ if (!ASSERT_OK_PTR(skel, "percpu_alloc_cgrp_local_storage__open"))
+ goto close_fd;
+
+ skel->bss->my_pid = getpid();
+ skel->rodata->nr_cpus = libbpf_num_possible_cpus();
+
+ err = percpu_alloc_cgrp_local_storage__load(skel);
+ if (!ASSERT_OK(err, "percpu_alloc_cgrp_local_storage__load"))
+ goto destroy_skel;
+
+ err = percpu_alloc_cgrp_local_storage__attach(skel);
+ if (!ASSERT_OK(err, "percpu_alloc_cgrp_local_storage__attach"))
+ goto destroy_skel;
+
+ prog_fd = bpf_program__fd(skel->progs.test_cgrp_local_storage_1);
+ err = bpf_prog_test_run_opts(prog_fd, &topts);
+ ASSERT_OK(err, "test_run cgrp_local_storage 1-3");
+ ASSERT_EQ(topts.retval, 0, "test_run cgrp_local_storage 1-3");
+ ASSERT_EQ(skel->bss->cpu0_field_d, 2, "cpu0_field_d");
+ ASSERT_EQ(skel->bss->sum_field_c, 1, "sum_field_c");
+
+destroy_skel:
+ percpu_alloc_cgrp_local_storage__destroy(skel);
+close_fd:
+ close(cgroup_fd);
+}
+
+static void test_failure(void) {
+ RUN_TESTS(percpu_alloc_fail);
+}
+
+void test_percpu_alloc(void)
+{
+ if (test__start_subtest("array"))
+ test_array();
+ if (test__start_subtest("array_sleepable"))
+ test_array_sleepable();
+ if (test__start_subtest("cgrp_local_storage"))
+ test_cgrp_local_storage();
+ if (test__start_subtest("failure_tests"))
+ test_failure();
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/preempted_bpf_ma_op.c b/tools/testing/selftests/bpf/prog_tests/preempted_bpf_ma_op.c
new file mode 100644
index 000000000000..3a2ec3923fca
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/preempted_bpf_ma_op.c
@@ -0,0 +1,89 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (C) 2023. Huawei Technologies Co., Ltd */
+#define _GNU_SOURCE
+#include <sched.h>
+#include <pthread.h>
+#include <stdbool.h>
+#include <test_progs.h>
+
+#include "preempted_bpf_ma_op.skel.h"
+
+#define ALLOC_THREAD_NR 4
+#define ALLOC_LOOP_NR 512
+
+struct alloc_ctx {
+ /* output */
+ int run_err;
+ /* input */
+ int fd;
+ bool *nomem_err;
+};
+
+static void *run_alloc_prog(void *data)
+{
+ struct alloc_ctx *ctx = data;
+ cpu_set_t cpu_set;
+ int i;
+
+ CPU_ZERO(&cpu_set);
+ CPU_SET(0, &cpu_set);
+ pthread_setaffinity_np(pthread_self(), sizeof(cpu_set), &cpu_set);
+
+ for (i = 0; i < ALLOC_LOOP_NR && !*ctx->nomem_err; i++) {
+ LIBBPF_OPTS(bpf_test_run_opts, topts);
+ int err;
+
+ err = bpf_prog_test_run_opts(ctx->fd, &topts);
+ ctx->run_err |= err | topts.retval;
+ }
+
+ return NULL;
+}
+
+void test_preempted_bpf_ma_op(void)
+{
+ struct alloc_ctx ctx[ALLOC_THREAD_NR];
+ struct preempted_bpf_ma_op *skel;
+ pthread_t tid[ALLOC_THREAD_NR];
+ int i, err;
+
+ skel = preempted_bpf_ma_op__open_and_load();
+ if (!ASSERT_OK_PTR(skel, "open_and_load"))
+ return;
+
+ err = preempted_bpf_ma_op__attach(skel);
+ if (!ASSERT_OK(err, "attach"))
+ goto out;
+
+ for (i = 0; i < ARRAY_SIZE(ctx); i++) {
+ struct bpf_program *prog;
+ char name[8];
+
+ snprintf(name, sizeof(name), "test%d", i);
+ prog = bpf_object__find_program_by_name(skel->obj, name);
+ if (!ASSERT_OK_PTR(prog, "no test prog"))
+ goto out;
+
+ ctx[i].run_err = 0;
+ ctx[i].fd = bpf_program__fd(prog);
+ ctx[i].nomem_err = &skel->bss->nomem_err;
+ }
+
+ memset(tid, 0, sizeof(tid));
+ for (i = 0; i < ARRAY_SIZE(tid); i++) {
+ err = pthread_create(&tid[i], NULL, run_alloc_prog, &ctx[i]);
+ if (!ASSERT_OK(err, "pthread_create"))
+ break;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(tid); i++) {
+ if (!tid[i])
+ break;
+ pthread_join(tid[i], NULL);
+ ASSERT_EQ(ctx[i].run_err, 0, "run prog err");
+ }
+
+ ASSERT_FALSE(skel->bss->nomem_err, "ENOMEM");
+out:
+ preempted_bpf_ma_op__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/queue_stack_map.c b/tools/testing/selftests/bpf/prog_tests/queue_stack_map.c
index 722c5f2a7776..a043af9cd6d9 100644
--- a/tools/testing/selftests/bpf/prog_tests/queue_stack_map.c
+++ b/tools/testing/selftests/bpf/prog_tests/queue_stack_map.c
@@ -14,7 +14,7 @@ static void test_queue_stack_map_by_type(int type)
int i, err, prog_fd, map_in_fd, map_out_fd;
char file[32], buf[128];
struct bpf_object *obj;
- struct iphdr iph;
+ struct iphdr iph = {};
LIBBPF_OPTS(bpf_test_run_opts, topts,
.data_in = &pkt_v4,
.data_size_in = sizeof(pkt_v4),
diff --git a/tools/testing/selftests/bpf/prog_tests/ringbuf.c b/tools/testing/selftests/bpf/prog_tests/ringbuf.c
index ac104dc652e3..48c5695b7abf 100644
--- a/tools/testing/selftests/bpf/prog_tests/ringbuf.c
+++ b/tools/testing/selftests/bpf/prog_tests/ringbuf.c
@@ -91,6 +91,9 @@ static void ringbuf_subtest(void)
int err, cnt, rb_fd;
int page_size = getpagesize();
void *mmap_ptr, *tmp_ptr;
+ struct ring *ring;
+ int map_fd;
+ unsigned long avail_data, ring_size, cons_pos, prod_pos;
skel = test_ringbuf_lskel__open();
if (CHECK(!skel, "skel_open", "skeleton open failed\n"))
@@ -162,6 +165,13 @@ static void ringbuf_subtest(void)
trigger_samples();
+ ring = ring_buffer__ring(ringbuf, 0);
+ if (!ASSERT_OK_PTR(ring, "ring_buffer__ring_idx_0"))
+ goto cleanup;
+
+ map_fd = ring__map_fd(ring);
+ ASSERT_EQ(map_fd, skel->maps.ringbuf.map_fd, "ring_map_fd");
+
/* 2 submitted + 1 discarded records */
CHECK(skel->bss->avail_data != 3 * rec_sz,
"err_avail_size", "exp %ld, got %ld\n",
@@ -176,6 +186,18 @@ static void ringbuf_subtest(void)
"err_prod_pos", "exp %ld, got %ld\n",
3L * rec_sz, skel->bss->prod_pos);
+ /* verify getting this data directly via the ring object yields the same
+ * results
+ */
+ avail_data = ring__avail_data_size(ring);
+ ASSERT_EQ(avail_data, 3 * rec_sz, "ring_avail_size");
+ ring_size = ring__size(ring);
+ ASSERT_EQ(ring_size, page_size, "ring_ring_size");
+ cons_pos = ring__consumer_pos(ring);
+ ASSERT_EQ(cons_pos, 0, "ring_cons_pos");
+ prod_pos = ring__producer_pos(ring);
+ ASSERT_EQ(prod_pos, 3 * rec_sz, "ring_prod_pos");
+
/* poll for samples */
err = ring_buffer__poll(ringbuf, -1);
@@ -282,6 +304,10 @@ static void ringbuf_subtest(void)
err = ring_buffer__consume(ringbuf);
CHECK(err < 0, "rb_consume", "failed: %d\b", err);
+ /* also consume using ring__consume to make sure it works the same */
+ err = ring__consume(ring);
+ ASSERT_GE(err, 0, "ring_consume");
+
/* 3 rounds, 2 samples each */
cnt = atomic_xchg(&sample_cnt, 0);
CHECK(cnt != 6, "cnt", "exp %d samples, got %d\n", 6, cnt);
diff --git a/tools/testing/selftests/bpf/prog_tests/ringbuf_multi.c b/tools/testing/selftests/bpf/prog_tests/ringbuf_multi.c
index 1455911d9fcb..58522195081b 100644
--- a/tools/testing/selftests/bpf/prog_tests/ringbuf_multi.c
+++ b/tools/testing/selftests/bpf/prog_tests/ringbuf_multi.c
@@ -42,6 +42,8 @@ void test_ringbuf_multi(void)
{
struct test_ringbuf_multi *skel;
struct ring_buffer *ringbuf = NULL;
+ struct ring *ring_old;
+ struct ring *ring;
int err;
int page_size = getpagesize();
int proto_fd = -1;
@@ -84,11 +86,24 @@ void test_ringbuf_multi(void)
if (CHECK(!ringbuf, "ringbuf_create", "failed to create ringbuf\n"))
goto cleanup;
+ /* verify ring_buffer__ring returns expected results */
+ ring = ring_buffer__ring(ringbuf, 0);
+ if (!ASSERT_OK_PTR(ring, "ring_buffer__ring_idx_0"))
+ goto cleanup;
+ ring_old = ring;
+ ring = ring_buffer__ring(ringbuf, 1);
+ ASSERT_ERR_PTR(ring, "ring_buffer__ring_idx_1");
+
err = ring_buffer__add(ringbuf, bpf_map__fd(skel->maps.ringbuf2),
process_sample, (void *)(long)2);
if (CHECK(err, "ringbuf_add", "failed to add another ring\n"))
goto cleanup;
+ /* verify adding a new ring didn't invalidate our older pointer */
+ ring = ring_buffer__ring(ringbuf, 0);
+ if (!ASSERT_EQ(ring, ring_old, "ring_buffer__ring_again"))
+ goto cleanup;
+
err = test_ringbuf_multi__attach(skel);
if (CHECK(err, "skel_attach", "skeleton attachment failed: %d\n", err))
goto cleanup;
diff --git a/tools/testing/selftests/bpf/prog_tests/section_names.c b/tools/testing/selftests/bpf/prog_tests/section_names.c
index 8b571890c57e..c3d78846f31a 100644
--- a/tools/testing/selftests/bpf/prog_tests/section_names.c
+++ b/tools/testing/selftests/bpf/prog_tests/section_names.c
@@ -124,6 +124,11 @@ static struct sec_name_test tests[] = {
{0, BPF_CGROUP_INET6_CONNECT},
},
{
+ "cgroup/connect_unix",
+ {0, BPF_PROG_TYPE_CGROUP_SOCK_ADDR, BPF_CGROUP_UNIX_CONNECT},
+ {0, BPF_CGROUP_UNIX_CONNECT},
+ },
+ {
"cgroup/sendmsg4",
{0, BPF_PROG_TYPE_CGROUP_SOCK_ADDR, BPF_CGROUP_UDP4_SENDMSG},
{0, BPF_CGROUP_UDP4_SENDMSG},
@@ -134,6 +139,11 @@ static struct sec_name_test tests[] = {
{0, BPF_CGROUP_UDP6_SENDMSG},
},
{
+ "cgroup/sendmsg_unix",
+ {0, BPF_PROG_TYPE_CGROUP_SOCK_ADDR, BPF_CGROUP_UNIX_SENDMSG},
+ {0, BPF_CGROUP_UNIX_SENDMSG},
+ },
+ {
"cgroup/recvmsg4",
{0, BPF_PROG_TYPE_CGROUP_SOCK_ADDR, BPF_CGROUP_UDP4_RECVMSG},
{0, BPF_CGROUP_UDP4_RECVMSG},
@@ -144,6 +154,11 @@ static struct sec_name_test tests[] = {
{0, BPF_CGROUP_UDP6_RECVMSG},
},
{
+ "cgroup/recvmsg_unix",
+ {0, BPF_PROG_TYPE_CGROUP_SOCK_ADDR, BPF_CGROUP_UNIX_RECVMSG},
+ {0, BPF_CGROUP_UNIX_RECVMSG},
+ },
+ {
"cgroup/sysctl",
{0, BPF_PROG_TYPE_CGROUP_SYSCTL, BPF_CGROUP_SYSCTL},
{0, BPF_CGROUP_SYSCTL},
@@ -158,6 +173,36 @@ static struct sec_name_test tests[] = {
{0, BPF_PROG_TYPE_CGROUP_SOCKOPT, BPF_CGROUP_SETSOCKOPT},
{0, BPF_CGROUP_SETSOCKOPT},
},
+ {
+ "cgroup/getpeername4",
+ {0, BPF_PROG_TYPE_CGROUP_SOCK_ADDR, BPF_CGROUP_INET4_GETPEERNAME},
+ {0, BPF_CGROUP_INET4_GETPEERNAME},
+ },
+ {
+ "cgroup/getpeername6",
+ {0, BPF_PROG_TYPE_CGROUP_SOCK_ADDR, BPF_CGROUP_INET6_GETPEERNAME},
+ {0, BPF_CGROUP_INET6_GETPEERNAME},
+ },
+ {
+ "cgroup/getpeername_unix",
+ {0, BPF_PROG_TYPE_CGROUP_SOCK_ADDR, BPF_CGROUP_UNIX_GETPEERNAME},
+ {0, BPF_CGROUP_UNIX_GETPEERNAME},
+ },
+ {
+ "cgroup/getsockname4",
+ {0, BPF_PROG_TYPE_CGROUP_SOCK_ADDR, BPF_CGROUP_INET4_GETSOCKNAME},
+ {0, BPF_CGROUP_INET4_GETSOCKNAME},
+ },
+ {
+ "cgroup/getsockname6",
+ {0, BPF_PROG_TYPE_CGROUP_SOCK_ADDR, BPF_CGROUP_INET6_GETSOCKNAME},
+ {0, BPF_CGROUP_INET6_GETSOCKNAME},
+ },
+ {
+ "cgroup/getsockname_unix",
+ {0, BPF_PROG_TYPE_CGROUP_SOCK_ADDR, BPF_CGROUP_UNIX_GETSOCKNAME},
+ {0, BPF_CGROUP_UNIX_GETSOCKNAME},
+ },
};
static void test_prog_type_by_name(const struct sec_name_test *test)
diff --git a/tools/testing/selftests/bpf/prog_tests/sock_addr.c b/tools/testing/selftests/bpf/prog_tests/sock_addr.c
new file mode 100644
index 000000000000..5fd617718991
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/sock_addr.c
@@ -0,0 +1,612 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <sys/un.h>
+
+#include "test_progs.h"
+
+#include "connect_unix_prog.skel.h"
+#include "sendmsg_unix_prog.skel.h"
+#include "recvmsg_unix_prog.skel.h"
+#include "getsockname_unix_prog.skel.h"
+#include "getpeername_unix_prog.skel.h"
+#include "network_helpers.h"
+
+#define SERVUN_ADDRESS "bpf_cgroup_unix_test"
+#define SERVUN_REWRITE_ADDRESS "bpf_cgroup_unix_test_rewrite"
+#define SRCUN_ADDRESS "bpf_cgroup_unix_test_src"
+
+enum sock_addr_test_type {
+ SOCK_ADDR_TEST_BIND,
+ SOCK_ADDR_TEST_CONNECT,
+ SOCK_ADDR_TEST_SENDMSG,
+ SOCK_ADDR_TEST_RECVMSG,
+ SOCK_ADDR_TEST_GETSOCKNAME,
+ SOCK_ADDR_TEST_GETPEERNAME,
+};
+
+typedef void *(*load_fn)(int cgroup_fd);
+typedef void (*destroy_fn)(void *skel);
+
+struct sock_addr_test {
+ enum sock_addr_test_type type;
+ const char *name;
+ /* BPF prog properties */
+ load_fn loadfn;
+ destroy_fn destroyfn;
+ /* Socket properties */
+ int socket_family;
+ int socket_type;
+ /* IP:port pairs for BPF prog to override */
+ const char *requested_addr;
+ unsigned short requested_port;
+ const char *expected_addr;
+ unsigned short expected_port;
+ const char *expected_src_addr;
+};
+
+static void *connect_unix_prog_load(int cgroup_fd)
+{
+ struct connect_unix_prog *skel;
+
+ skel = connect_unix_prog__open_and_load();
+ if (!ASSERT_OK_PTR(skel, "skel_open"))
+ goto cleanup;
+
+ skel->links.connect_unix_prog = bpf_program__attach_cgroup(
+ skel->progs.connect_unix_prog, cgroup_fd);
+ if (!ASSERT_OK_PTR(skel->links.connect_unix_prog, "prog_attach"))
+ goto cleanup;
+
+ return skel;
+cleanup:
+ connect_unix_prog__destroy(skel);
+ return NULL;
+}
+
+static void connect_unix_prog_destroy(void *skel)
+{
+ connect_unix_prog__destroy(skel);
+}
+
+static void *sendmsg_unix_prog_load(int cgroup_fd)
+{
+ struct sendmsg_unix_prog *skel;
+
+ skel = sendmsg_unix_prog__open_and_load();
+ if (!ASSERT_OK_PTR(skel, "skel_open"))
+ goto cleanup;
+
+ skel->links.sendmsg_unix_prog = bpf_program__attach_cgroup(
+ skel->progs.sendmsg_unix_prog, cgroup_fd);
+ if (!ASSERT_OK_PTR(skel->links.sendmsg_unix_prog, "prog_attach"))
+ goto cleanup;
+
+ return skel;
+cleanup:
+ sendmsg_unix_prog__destroy(skel);
+ return NULL;
+}
+
+static void sendmsg_unix_prog_destroy(void *skel)
+{
+ sendmsg_unix_prog__destroy(skel);
+}
+
+static void *recvmsg_unix_prog_load(int cgroup_fd)
+{
+ struct recvmsg_unix_prog *skel;
+
+ skel = recvmsg_unix_prog__open_and_load();
+ if (!ASSERT_OK_PTR(skel, "skel_open"))
+ goto cleanup;
+
+ skel->links.recvmsg_unix_prog = bpf_program__attach_cgroup(
+ skel->progs.recvmsg_unix_prog, cgroup_fd);
+ if (!ASSERT_OK_PTR(skel->links.recvmsg_unix_prog, "prog_attach"))
+ goto cleanup;
+
+ return skel;
+cleanup:
+ recvmsg_unix_prog__destroy(skel);
+ return NULL;
+}
+
+static void recvmsg_unix_prog_destroy(void *skel)
+{
+ recvmsg_unix_prog__destroy(skel);
+}
+
+static void *getsockname_unix_prog_load(int cgroup_fd)
+{
+ struct getsockname_unix_prog *skel;
+
+ skel = getsockname_unix_prog__open_and_load();
+ if (!ASSERT_OK_PTR(skel, "skel_open"))
+ goto cleanup;
+
+ skel->links.getsockname_unix_prog = bpf_program__attach_cgroup(
+ skel->progs.getsockname_unix_prog, cgroup_fd);
+ if (!ASSERT_OK_PTR(skel->links.getsockname_unix_prog, "prog_attach"))
+ goto cleanup;
+
+ return skel;
+cleanup:
+ getsockname_unix_prog__destroy(skel);
+ return NULL;
+}
+
+static void getsockname_unix_prog_destroy(void *skel)
+{
+ getsockname_unix_prog__destroy(skel);
+}
+
+static void *getpeername_unix_prog_load(int cgroup_fd)
+{
+ struct getpeername_unix_prog *skel;
+
+ skel = getpeername_unix_prog__open_and_load();
+ if (!ASSERT_OK_PTR(skel, "skel_open"))
+ goto cleanup;
+
+ skel->links.getpeername_unix_prog = bpf_program__attach_cgroup(
+ skel->progs.getpeername_unix_prog, cgroup_fd);
+ if (!ASSERT_OK_PTR(skel->links.getpeername_unix_prog, "prog_attach"))
+ goto cleanup;
+
+ return skel;
+cleanup:
+ getpeername_unix_prog__destroy(skel);
+ return NULL;
+}
+
+static void getpeername_unix_prog_destroy(void *skel)
+{
+ getpeername_unix_prog__destroy(skel);
+}
+
+static struct sock_addr_test tests[] = {
+ {
+ SOCK_ADDR_TEST_CONNECT,
+ "connect_unix",
+ connect_unix_prog_load,
+ connect_unix_prog_destroy,
+ AF_UNIX,
+ SOCK_STREAM,
+ SERVUN_ADDRESS,
+ 0,
+ SERVUN_REWRITE_ADDRESS,
+ 0,
+ NULL,
+ },
+ {
+ SOCK_ADDR_TEST_SENDMSG,
+ "sendmsg_unix",
+ sendmsg_unix_prog_load,
+ sendmsg_unix_prog_destroy,
+ AF_UNIX,
+ SOCK_DGRAM,
+ SERVUN_ADDRESS,
+ 0,
+ SERVUN_REWRITE_ADDRESS,
+ 0,
+ NULL,
+ },
+ {
+ SOCK_ADDR_TEST_RECVMSG,
+ "recvmsg_unix-dgram",
+ recvmsg_unix_prog_load,
+ recvmsg_unix_prog_destroy,
+ AF_UNIX,
+ SOCK_DGRAM,
+ SERVUN_REWRITE_ADDRESS,
+ 0,
+ SERVUN_REWRITE_ADDRESS,
+ 0,
+ SERVUN_ADDRESS,
+ },
+ {
+ SOCK_ADDR_TEST_RECVMSG,
+ "recvmsg_unix-stream",
+ recvmsg_unix_prog_load,
+ recvmsg_unix_prog_destroy,
+ AF_UNIX,
+ SOCK_STREAM,
+ SERVUN_REWRITE_ADDRESS,
+ 0,
+ SERVUN_REWRITE_ADDRESS,
+ 0,
+ SERVUN_ADDRESS,
+ },
+ {
+ SOCK_ADDR_TEST_GETSOCKNAME,
+ "getsockname_unix",
+ getsockname_unix_prog_load,
+ getsockname_unix_prog_destroy,
+ AF_UNIX,
+ SOCK_STREAM,
+ SERVUN_ADDRESS,
+ 0,
+ SERVUN_REWRITE_ADDRESS,
+ 0,
+ NULL,
+ },
+ {
+ SOCK_ADDR_TEST_GETPEERNAME,
+ "getpeername_unix",
+ getpeername_unix_prog_load,
+ getpeername_unix_prog_destroy,
+ AF_UNIX,
+ SOCK_STREAM,
+ SERVUN_ADDRESS,
+ 0,
+ SERVUN_REWRITE_ADDRESS,
+ 0,
+ NULL,
+ },
+};
+
+typedef int (*info_fn)(int, struct sockaddr *, socklen_t *);
+
+static int cmp_addr(const struct sockaddr_storage *addr1, socklen_t addr1_len,
+ const struct sockaddr_storage *addr2, socklen_t addr2_len,
+ bool cmp_port)
+{
+ const struct sockaddr_in *four1, *four2;
+ const struct sockaddr_in6 *six1, *six2;
+ const struct sockaddr_un *un1, *un2;
+
+ if (addr1->ss_family != addr2->ss_family)
+ return -1;
+
+ if (addr1_len != addr2_len)
+ return -1;
+
+ if (addr1->ss_family == AF_INET) {
+ four1 = (const struct sockaddr_in *)addr1;
+ four2 = (const struct sockaddr_in *)addr2;
+ return !((four1->sin_port == four2->sin_port || !cmp_port) &&
+ four1->sin_addr.s_addr == four2->sin_addr.s_addr);
+ } else if (addr1->ss_family == AF_INET6) {
+ six1 = (const struct sockaddr_in6 *)addr1;
+ six2 = (const struct sockaddr_in6 *)addr2;
+ return !((six1->sin6_port == six2->sin6_port || !cmp_port) &&
+ !memcmp(&six1->sin6_addr, &six2->sin6_addr,
+ sizeof(struct in6_addr)));
+ } else if (addr1->ss_family == AF_UNIX) {
+ un1 = (const struct sockaddr_un *)addr1;
+ un2 = (const struct sockaddr_un *)addr2;
+ return memcmp(un1, un2, addr1_len);
+ }
+
+ return -1;
+}
+
+static int cmp_sock_addr(info_fn fn, int sock1,
+ const struct sockaddr_storage *addr2,
+ socklen_t addr2_len, bool cmp_port)
+{
+ struct sockaddr_storage addr1;
+ socklen_t len1 = sizeof(addr1);
+
+ memset(&addr1, 0, len1);
+ if (fn(sock1, (struct sockaddr *)&addr1, (socklen_t *)&len1) != 0)
+ return -1;
+
+ return cmp_addr(&addr1, len1, addr2, addr2_len, cmp_port);
+}
+
+static int cmp_local_addr(int sock1, const struct sockaddr_storage *addr2,
+ socklen_t addr2_len, bool cmp_port)
+{
+ return cmp_sock_addr(getsockname, sock1, addr2, addr2_len, cmp_port);
+}
+
+static int cmp_peer_addr(int sock1, const struct sockaddr_storage *addr2,
+ socklen_t addr2_len, bool cmp_port)
+{
+ return cmp_sock_addr(getpeername, sock1, addr2, addr2_len, cmp_port);
+}
+
+static void test_bind(struct sock_addr_test *test)
+{
+ struct sockaddr_storage expected_addr;
+ socklen_t expected_addr_len = sizeof(struct sockaddr_storage);
+ int serv = -1, client = -1, err;
+
+ serv = start_server(test->socket_family, test->socket_type,
+ test->requested_addr, test->requested_port, 0);
+ if (!ASSERT_GE(serv, 0, "start_server"))
+ goto cleanup;
+
+ err = make_sockaddr(test->socket_family,
+ test->expected_addr, test->expected_port,
+ &expected_addr, &expected_addr_len);
+ if (!ASSERT_EQ(err, 0, "make_sockaddr"))
+ goto cleanup;
+
+ err = cmp_local_addr(serv, &expected_addr, expected_addr_len, true);
+ if (!ASSERT_EQ(err, 0, "cmp_local_addr"))
+ goto cleanup;
+
+ /* Try to connect to server just in case */
+ client = connect_to_addr(&expected_addr, expected_addr_len, test->socket_type);
+ if (!ASSERT_GE(client, 0, "connect_to_addr"))
+ goto cleanup;
+
+cleanup:
+ if (client != -1)
+ close(client);
+ if (serv != -1)
+ close(serv);
+}
+
+static void test_connect(struct sock_addr_test *test)
+{
+ struct sockaddr_storage addr, expected_addr, expected_src_addr;
+ socklen_t addr_len = sizeof(struct sockaddr_storage),
+ expected_addr_len = sizeof(struct sockaddr_storage),
+ expected_src_addr_len = sizeof(struct sockaddr_storage);
+ int serv = -1, client = -1, err;
+
+ serv = start_server(test->socket_family, test->socket_type,
+ test->expected_addr, test->expected_port, 0);
+ if (!ASSERT_GE(serv, 0, "start_server"))
+ goto cleanup;
+
+ err = make_sockaddr(test->socket_family, test->requested_addr, test->requested_port,
+ &addr, &addr_len);
+ if (!ASSERT_EQ(err, 0, "make_sockaddr"))
+ goto cleanup;
+
+ client = connect_to_addr(&addr, addr_len, test->socket_type);
+ if (!ASSERT_GE(client, 0, "connect_to_addr"))
+ goto cleanup;
+
+ err = make_sockaddr(test->socket_family, test->expected_addr, test->expected_port,
+ &expected_addr, &expected_addr_len);
+ if (!ASSERT_EQ(err, 0, "make_sockaddr"))
+ goto cleanup;
+
+ if (test->expected_src_addr) {
+ err = make_sockaddr(test->socket_family, test->expected_src_addr, 0,
+ &expected_src_addr, &expected_src_addr_len);
+ if (!ASSERT_EQ(err, 0, "make_sockaddr"))
+ goto cleanup;
+ }
+
+ err = cmp_peer_addr(client, &expected_addr, expected_addr_len, true);
+ if (!ASSERT_EQ(err, 0, "cmp_peer_addr"))
+ goto cleanup;
+
+ if (test->expected_src_addr) {
+ err = cmp_local_addr(client, &expected_src_addr, expected_src_addr_len, false);
+ if (!ASSERT_EQ(err, 0, "cmp_local_addr"))
+ goto cleanup;
+ }
+cleanup:
+ if (client != -1)
+ close(client);
+ if (serv != -1)
+ close(serv);
+}
+
+static void test_xmsg(struct sock_addr_test *test)
+{
+ struct sockaddr_storage addr, src_addr;
+ socklen_t addr_len = sizeof(struct sockaddr_storage),
+ src_addr_len = sizeof(struct sockaddr_storage);
+ struct msghdr hdr;
+ struct iovec iov;
+ char data = 'a';
+ int serv = -1, client = -1, err;
+
+ /* Unlike the other tests, here we test that we can rewrite the src addr
+ * with a recvmsg() hook.
+ */
+
+ serv = start_server(test->socket_family, test->socket_type,
+ test->expected_addr, test->expected_port, 0);
+ if (!ASSERT_GE(serv, 0, "start_server"))
+ goto cleanup;
+
+ client = socket(test->socket_family, test->socket_type, 0);
+ if (!ASSERT_GE(client, 0, "socket"))
+ goto cleanup;
+
+ /* AF_UNIX sockets have to be bound to something to trigger the recvmsg bpf program. */
+ if (test->socket_family == AF_UNIX) {
+ err = make_sockaddr(AF_UNIX, SRCUN_ADDRESS, 0, &src_addr, &src_addr_len);
+ if (!ASSERT_EQ(err, 0, "make_sockaddr"))
+ goto cleanup;
+
+ err = bind(client, (const struct sockaddr *) &src_addr, src_addr_len);
+ if (!ASSERT_OK(err, "bind"))
+ goto cleanup;
+ }
+
+ err = make_sockaddr(test->socket_family, test->requested_addr, test->requested_port,
+ &addr, &addr_len);
+ if (!ASSERT_EQ(err, 0, "make_sockaddr"))
+ goto cleanup;
+
+ if (test->socket_type == SOCK_DGRAM) {
+ memset(&iov, 0, sizeof(iov));
+ iov.iov_base = &data;
+ iov.iov_len = sizeof(data);
+
+ memset(&hdr, 0, sizeof(hdr));
+ hdr.msg_name = (void *)&addr;
+ hdr.msg_namelen = addr_len;
+ hdr.msg_iov = &iov;
+ hdr.msg_iovlen = 1;
+
+ err = sendmsg(client, &hdr, 0);
+ if (!ASSERT_EQ(err, sizeof(data), "sendmsg"))
+ goto cleanup;
+ } else {
+ /* Testing with connection-oriented sockets is only valid for
+ * recvmsg() tests.
+ */
+ if (!ASSERT_EQ(test->type, SOCK_ADDR_TEST_RECVMSG, "recvmsg"))
+ goto cleanup;
+
+ err = connect(client, (const struct sockaddr *)&addr, addr_len);
+ if (!ASSERT_OK(err, "connect"))
+ goto cleanup;
+
+ err = send(client, &data, sizeof(data), 0);
+ if (!ASSERT_EQ(err, sizeof(data), "send"))
+ goto cleanup;
+
+ err = listen(serv, 0);
+ if (!ASSERT_OK(err, "listen"))
+ goto cleanup;
+
+ err = accept(serv, NULL, NULL);
+ if (!ASSERT_GE(err, 0, "accept"))
+ goto cleanup;
+
+ close(serv);
+ serv = err;
+ }
+
+ addr_len = src_addr_len = sizeof(struct sockaddr_storage);
+
+ err = recvfrom(serv, &data, sizeof(data), 0, (struct sockaddr *) &src_addr, &src_addr_len);
+ if (!ASSERT_EQ(err, sizeof(data), "recvfrom"))
+ goto cleanup;
+
+ ASSERT_EQ(data, 'a', "data mismatch");
+
+ if (test->expected_src_addr) {
+ err = make_sockaddr(test->socket_family, test->expected_src_addr, 0,
+ &addr, &addr_len);
+ if (!ASSERT_EQ(err, 0, "make_sockaddr"))
+ goto cleanup;
+
+ err = cmp_addr(&src_addr, src_addr_len, &addr, addr_len, false);
+ if (!ASSERT_EQ(err, 0, "cmp_addr"))
+ goto cleanup;
+ }
+
+cleanup:
+ if (client != -1)
+ close(client);
+ if (serv != -1)
+ close(serv);
+}
+
+static void test_getsockname(struct sock_addr_test *test)
+{
+ struct sockaddr_storage expected_addr;
+ socklen_t expected_addr_len = sizeof(struct sockaddr_storage);
+ int serv = -1, err;
+
+ serv = start_server(test->socket_family, test->socket_type,
+ test->requested_addr, test->requested_port, 0);
+ if (!ASSERT_GE(serv, 0, "start_server"))
+ goto cleanup;
+
+ err = make_sockaddr(test->socket_family,
+ test->expected_addr, test->expected_port,
+ &expected_addr, &expected_addr_len);
+ if (!ASSERT_EQ(err, 0, "make_sockaddr"))
+ goto cleanup;
+
+ err = cmp_local_addr(serv, &expected_addr, expected_addr_len, true);
+ if (!ASSERT_EQ(err, 0, "cmp_local_addr"))
+ goto cleanup;
+
+cleanup:
+ if (serv != -1)
+ close(serv);
+}
+
+static void test_getpeername(struct sock_addr_test *test)
+{
+ struct sockaddr_storage addr, expected_addr;
+ socklen_t addr_len = sizeof(struct sockaddr_storage),
+ expected_addr_len = sizeof(struct sockaddr_storage);
+ int serv = -1, client = -1, err;
+
+ serv = start_server(test->socket_family, test->socket_type,
+ test->requested_addr, test->requested_port, 0);
+ if (!ASSERT_GE(serv, 0, "start_server"))
+ goto cleanup;
+
+ err = make_sockaddr(test->socket_family, test->requested_addr, test->requested_port,
+ &addr, &addr_len);
+ if (!ASSERT_EQ(err, 0, "make_sockaddr"))
+ goto cleanup;
+
+ client = connect_to_addr(&addr, addr_len, test->socket_type);
+ if (!ASSERT_GE(client, 0, "connect_to_addr"))
+ goto cleanup;
+
+ err = make_sockaddr(test->socket_family, test->expected_addr, test->expected_port,
+ &expected_addr, &expected_addr_len);
+ if (!ASSERT_EQ(err, 0, "make_sockaddr"))
+ goto cleanup;
+
+ err = cmp_peer_addr(client, &expected_addr, expected_addr_len, true);
+ if (!ASSERT_EQ(err, 0, "cmp_peer_addr"))
+ goto cleanup;
+
+cleanup:
+ if (client != -1)
+ close(client);
+ if (serv != -1)
+ close(serv);
+}
+
+void test_sock_addr(void)
+{
+ int cgroup_fd = -1;
+ void *skel;
+
+ cgroup_fd = test__join_cgroup("/sock_addr");
+ if (!ASSERT_GE(cgroup_fd, 0, "join_cgroup"))
+ goto cleanup;
+
+ for (size_t i = 0; i < ARRAY_SIZE(tests); ++i) {
+ struct sock_addr_test *test = &tests[i];
+
+ if (!test__start_subtest(test->name))
+ continue;
+
+ skel = test->loadfn(cgroup_fd);
+ if (!skel)
+ continue;
+
+ switch (test->type) {
+ /* Not exercised yet but we leave this code here for when the
+ * INET and INET6 sockaddr tests are migrated to this file in
+ * the future.
+ */
+ case SOCK_ADDR_TEST_BIND:
+ test_bind(test);
+ break;
+ case SOCK_ADDR_TEST_CONNECT:
+ test_connect(test);
+ break;
+ case SOCK_ADDR_TEST_SENDMSG:
+ case SOCK_ADDR_TEST_RECVMSG:
+ test_xmsg(test);
+ break;
+ case SOCK_ADDR_TEST_GETSOCKNAME:
+ test_getsockname(test);
+ break;
+ case SOCK_ADDR_TEST_GETPEERNAME:
+ test_getpeername(test);
+ break;
+ default:
+ ASSERT_TRUE(false, "Unknown sock addr test type");
+ break;
+ }
+
+ test->destroyfn(skel);
+ }
+
+cleanup:
+ if (cgroup_fd >= 0)
+ close(cgroup_fd);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c b/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c
index dda7060e86a0..f75f84d0b3d7 100644
--- a/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c
+++ b/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c
@@ -359,7 +359,7 @@ out:
static void test_sockmap_skb_verdict_shutdown(void)
{
struct epoll_event ev, events[MAX_EVENTS];
- int n, err, map, verdict, s, c1, p1;
+ int n, err, map, verdict, s, c1 = -1, p1 = -1;
struct test_sockmap_pass_prog *skel;
int epollfd;
int zero = 0;
@@ -414,9 +414,9 @@ out:
static void test_sockmap_skb_verdict_fionread(bool pass_prog)
{
int expected, zero = 0, sent, recvd, avail;
- int err, map, verdict, s, c0, c1, p0, p1;
- struct test_sockmap_pass_prog *pass;
- struct test_sockmap_drop_prog *drop;
+ int err, map, verdict, s, c0 = -1, c1 = -1, p0 = -1, p1 = -1;
+ struct test_sockmap_pass_prog *pass = NULL;
+ struct test_sockmap_drop_prog *drop = NULL;
char buf[256] = "0123456789";
if (pass_prog) {
diff --git a/tools/testing/selftests/bpf/prog_tests/sockmap_helpers.h b/tools/testing/selftests/bpf/prog_tests/sockmap_helpers.h
index 36d829a65aa4..e880f97bc44d 100644
--- a/tools/testing/selftests/bpf/prog_tests/sockmap_helpers.h
+++ b/tools/testing/selftests/bpf/prog_tests/sockmap_helpers.h
@@ -378,7 +378,7 @@ static inline int enable_reuseport(int s, int progfd)
static inline int socket_loopback_reuseport(int family, int sotype, int progfd)
{
struct sockaddr_storage addr;
- socklen_t len;
+ socklen_t len = 0;
int err, s;
init_addr_loopback(family, &addr, &len);
diff --git a/tools/testing/selftests/bpf/prog_tests/sockmap_listen.c b/tools/testing/selftests/bpf/prog_tests/sockmap_listen.c
index 8df8cbb447f1..a934d430c20c 100644
--- a/tools/testing/selftests/bpf/prog_tests/sockmap_listen.c
+++ b/tools/testing/selftests/bpf/prog_tests/sockmap_listen.c
@@ -73,7 +73,7 @@ static void test_insert_bound(struct test_sockmap_listen *skel __always_unused,
int family, int sotype, int mapfd)
{
struct sockaddr_storage addr;
- socklen_t len;
+ socklen_t len = 0;
u32 key = 0;
u64 value;
int err, s;
@@ -871,7 +871,7 @@ static void test_msg_redir_to_listening(struct test_sockmap_listen *skel,
static void redir_partial(int family, int sotype, int sock_map, int parser_map)
{
- int s, c0, c1, p0, p1;
+ int s, c0 = -1, c1 = -1, p0 = -1, p1 = -1;
int err, n, key, value;
char buf[] = "abc";
@@ -1336,53 +1336,59 @@ static void test_redir(struct test_sockmap_listen *skel, struct bpf_map *map,
}
}
-static void unix_redir_to_connected(int sotype, int sock_mapfd,
- int verd_mapfd, enum redir_mode mode)
+static void pairs_redir_to_connected(int cli0, int peer0, int cli1, int peer1,
+ int sock_mapfd, int verd_mapfd, enum redir_mode mode)
{
const char *log_prefix = redir_mode_str(mode);
- int c0, c1, p0, p1;
unsigned int pass;
int err, n;
- int sfd[2];
u32 key;
char b;
zero_verdict_count(verd_mapfd);
- if (socketpair(AF_UNIX, sotype | SOCK_NONBLOCK, 0, sfd))
- return;
- c0 = sfd[0], p0 = sfd[1];
-
- if (socketpair(AF_UNIX, sotype | SOCK_NONBLOCK, 0, sfd))
- goto close0;
- c1 = sfd[0], p1 = sfd[1];
-
- err = add_to_sockmap(sock_mapfd, p0, p1);
+ err = add_to_sockmap(sock_mapfd, peer0, peer1);
if (err)
- goto close;
+ return;
- n = write(c1, "a", 1);
+ n = write(cli1, "a", 1);
if (n < 0)
FAIL_ERRNO("%s: write", log_prefix);
if (n == 0)
FAIL("%s: incomplete write", log_prefix);
if (n < 1)
- goto close;
+ return;
key = SK_PASS;
err = xbpf_map_lookup_elem(verd_mapfd, &key, &pass);
if (err)
- goto close;
+ return;
if (pass != 1)
FAIL("%s: want pass count 1, have %d", log_prefix, pass);
- n = recv_timeout(mode == REDIR_INGRESS ? p0 : c0, &b, 1, 0, IO_TIMEOUT_SEC);
+ n = recv_timeout(mode == REDIR_INGRESS ? peer0 : cli0, &b, 1, 0, IO_TIMEOUT_SEC);
if (n < 0)
FAIL_ERRNO("%s: recv_timeout", log_prefix);
if (n == 0)
FAIL("%s: incomplete recv", log_prefix);
+}
+
+static void unix_redir_to_connected(int sotype, int sock_mapfd,
+ int verd_mapfd, enum redir_mode mode)
+{
+ int c0, c1, p0, p1;
+ int sfd[2];
+
+ if (socketpair(AF_UNIX, sotype | SOCK_NONBLOCK, 0, sfd))
+ return;
+ c0 = sfd[0], p0 = sfd[1];
+
+ if (socketpair(AF_UNIX, sotype | SOCK_NONBLOCK, 0, sfd))
+ goto close0;
+ c1 = sfd[0], p1 = sfd[1];
+
+ pairs_redir_to_connected(c0, p0, c1, p1, sock_mapfd, verd_mapfd, mode);
-close:
xclose(c1);
xclose(p1);
close0:
@@ -1661,14 +1667,8 @@ close_peer0:
static void udp_redir_to_connected(int family, int sock_mapfd, int verd_mapfd,
enum redir_mode mode)
{
- const char *log_prefix = redir_mode_str(mode);
int c0, c1, p0, p1;
- unsigned int pass;
- int err, n;
- u32 key;
- char b;
-
- zero_verdict_count(verd_mapfd);
+ int err;
err = inet_socketpair(family, SOCK_DGRAM, &p0, &c0);
if (err)
@@ -1677,32 +1677,8 @@ static void udp_redir_to_connected(int family, int sock_mapfd, int verd_mapfd,
if (err)
goto close_cli0;
- err = add_to_sockmap(sock_mapfd, p0, p1);
- if (err)
- goto close_cli1;
+ pairs_redir_to_connected(c0, p0, c1, p1, sock_mapfd, verd_mapfd, mode);
- n = write(c1, "a", 1);
- if (n < 0)
- FAIL_ERRNO("%s: write", log_prefix);
- if (n == 0)
- FAIL("%s: incomplete write", log_prefix);
- if (n < 1)
- goto close_cli1;
-
- key = SK_PASS;
- err = xbpf_map_lookup_elem(verd_mapfd, &key, &pass);
- if (err)
- goto close_cli1;
- if (pass != 1)
- FAIL("%s: want pass count 1, have %d", log_prefix, pass);
-
- n = recv_timeout(mode == REDIR_INGRESS ? p0 : c0, &b, 1, 0, IO_TIMEOUT_SEC);
- if (n < 0)
- FAIL_ERRNO("%s: recv_timeout", log_prefix);
- if (n == 0)
- FAIL("%s: incomplete recv", log_prefix);
-
-close_cli1:
xclose(c1);
xclose(p1);
close_cli0:
@@ -1747,15 +1723,9 @@ static void test_udp_redir(struct test_sockmap_listen *skel, struct bpf_map *map
static void inet_unix_redir_to_connected(int family, int type, int sock_mapfd,
int verd_mapfd, enum redir_mode mode)
{
- const char *log_prefix = redir_mode_str(mode);
int c0, c1, p0, p1;
- unsigned int pass;
- int err, n;
int sfd[2];
- u32 key;
- char b;
-
- zero_verdict_count(verd_mapfd);
+ int err;
if (socketpair(AF_UNIX, SOCK_DGRAM | SOCK_NONBLOCK, 0, sfd))
return;
@@ -1765,32 +1735,8 @@ static void inet_unix_redir_to_connected(int family, int type, int sock_mapfd,
if (err)
goto close;
- err = add_to_sockmap(sock_mapfd, p0, p1);
- if (err)
- goto close_cli1;
-
- n = write(c1, "a", 1);
- if (n < 0)
- FAIL_ERRNO("%s: write", log_prefix);
- if (n == 0)
- FAIL("%s: incomplete write", log_prefix);
- if (n < 1)
- goto close_cli1;
-
- key = SK_PASS;
- err = xbpf_map_lookup_elem(verd_mapfd, &key, &pass);
- if (err)
- goto close_cli1;
- if (pass != 1)
- FAIL("%s: want pass count 1, have %d", log_prefix, pass);
-
- n = recv_timeout(mode == REDIR_INGRESS ? p0 : c0, &b, 1, 0, IO_TIMEOUT_SEC);
- if (n < 0)
- FAIL_ERRNO("%s: recv_timeout", log_prefix);
- if (n == 0)
- FAIL("%s: incomplete recv", log_prefix);
+ pairs_redir_to_connected(c0, p0, c1, p1, sock_mapfd, verd_mapfd, mode);
-close_cli1:
xclose(c1);
xclose(p1);
close:
@@ -1827,15 +1773,9 @@ static void inet_unix_skb_redir_to_connected(struct test_sockmap_listen *skel,
static void unix_inet_redir_to_connected(int family, int type, int sock_mapfd,
int verd_mapfd, enum redir_mode mode)
{
- const char *log_prefix = redir_mode_str(mode);
int c0, c1, p0, p1;
- unsigned int pass;
- int err, n;
int sfd[2];
- u32 key;
- char b;
-
- zero_verdict_count(verd_mapfd);
+ int err;
err = inet_socketpair(family, SOCK_DGRAM, &p0, &c0);
if (err)
@@ -1845,32 +1785,8 @@ static void unix_inet_redir_to_connected(int family, int type, int sock_mapfd,
goto close_cli0;
c1 = sfd[0], p1 = sfd[1];
- err = add_to_sockmap(sock_mapfd, p0, p1);
- if (err)
- goto close;
-
- n = write(c1, "a", 1);
- if (n < 0)
- FAIL_ERRNO("%s: write", log_prefix);
- if (n == 0)
- FAIL("%s: incomplete write", log_prefix);
- if (n < 1)
- goto close;
-
- key = SK_PASS;
- err = xbpf_map_lookup_elem(verd_mapfd, &key, &pass);
- if (err)
- goto close;
- if (pass != 1)
- FAIL("%s: want pass count 1, have %d", log_prefix, pass);
-
- n = recv_timeout(mode == REDIR_INGRESS ? p0 : c0, &b, 1, 0, IO_TIMEOUT_SEC);
- if (n < 0)
- FAIL_ERRNO("%s: recv_timeout", log_prefix);
- if (n == 0)
- FAIL("%s: incomplete recv", log_prefix);
+ pairs_redir_to_connected(c0, p0, c1, p1, sock_mapfd, verd_mapfd, mode);
-close:
xclose(c1);
xclose(p1);
close_cli0:
diff --git a/tools/testing/selftests/bpf/prog_tests/tailcalls.c b/tools/testing/selftests/bpf/prog_tests/tailcalls.c
index 58fe2c586ed7..fc6b2954e8f5 100644
--- a/tools/testing/selftests/bpf/prog_tests/tailcalls.c
+++ b/tools/testing/selftests/bpf/prog_tests/tailcalls.c
@@ -218,12 +218,14 @@ out:
bpf_object__close(obj);
}
-static void test_tailcall_count(const char *which)
+static void test_tailcall_count(const char *which, bool test_fentry,
+ bool test_fexit)
{
+ struct bpf_object *obj = NULL, *fentry_obj = NULL, *fexit_obj = NULL;
+ struct bpf_link *fentry_link = NULL, *fexit_link = NULL;
int err, map_fd, prog_fd, main_fd, data_fd, i, val;
struct bpf_map *prog_array, *data_map;
struct bpf_program *prog;
- struct bpf_object *obj;
char buff[128] = {};
LIBBPF_OPTS(bpf_test_run_opts, topts,
.data_in = buff,
@@ -265,23 +267,105 @@ static void test_tailcall_count(const char *which)
if (CHECK_FAIL(err))
goto out;
+ if (test_fentry) {
+ fentry_obj = bpf_object__open_file("tailcall_bpf2bpf_fentry.bpf.o",
+ NULL);
+ if (!ASSERT_OK_PTR(fentry_obj, "open fentry_obj file"))
+ goto out;
+
+ prog = bpf_object__find_program_by_name(fentry_obj, "fentry");
+ if (!ASSERT_OK_PTR(prog, "find fentry prog"))
+ goto out;
+
+ err = bpf_program__set_attach_target(prog, prog_fd,
+ "subprog_tail");
+ if (!ASSERT_OK(err, "set_attach_target subprog_tail"))
+ goto out;
+
+ err = bpf_object__load(fentry_obj);
+ if (!ASSERT_OK(err, "load fentry_obj"))
+ goto out;
+
+ fentry_link = bpf_program__attach_trace(prog);
+ if (!ASSERT_OK_PTR(fentry_link, "attach_trace"))
+ goto out;
+ }
+
+ if (test_fexit) {
+ fexit_obj = bpf_object__open_file("tailcall_bpf2bpf_fexit.bpf.o",
+ NULL);
+ if (!ASSERT_OK_PTR(fexit_obj, "open fexit_obj file"))
+ goto out;
+
+ prog = bpf_object__find_program_by_name(fexit_obj, "fexit");
+ if (!ASSERT_OK_PTR(prog, "find fexit prog"))
+ goto out;
+
+ err = bpf_program__set_attach_target(prog, prog_fd,
+ "subprog_tail");
+ if (!ASSERT_OK(err, "set_attach_target subprog_tail"))
+ goto out;
+
+ err = bpf_object__load(fexit_obj);
+ if (!ASSERT_OK(err, "load fexit_obj"))
+ goto out;
+
+ fexit_link = bpf_program__attach_trace(prog);
+ if (!ASSERT_OK_PTR(fexit_link, "attach_trace"))
+ goto out;
+ }
+
err = bpf_prog_test_run_opts(main_fd, &topts);
ASSERT_OK(err, "tailcall");
ASSERT_EQ(topts.retval, 1, "tailcall retval");
data_map = bpf_object__find_map_by_name(obj, "tailcall.bss");
if (CHECK_FAIL(!data_map || !bpf_map__is_internal(data_map)))
- return;
+ goto out;
data_fd = bpf_map__fd(data_map);
- if (CHECK_FAIL(map_fd < 0))
- return;
+ if (CHECK_FAIL(data_fd < 0))
+ goto out;
i = 0;
err = bpf_map_lookup_elem(data_fd, &i, &val);
ASSERT_OK(err, "tailcall count");
ASSERT_EQ(val, 33, "tailcall count");
+ if (test_fentry) {
+ data_map = bpf_object__find_map_by_name(fentry_obj, ".bss");
+ if (!ASSERT_FALSE(!data_map || !bpf_map__is_internal(data_map),
+ "find tailcall_bpf2bpf_fentry.bss map"))
+ goto out;
+
+ data_fd = bpf_map__fd(data_map);
+ if (!ASSERT_FALSE(data_fd < 0,
+ "find tailcall_bpf2bpf_fentry.bss map fd"))
+ goto out;
+
+ i = 0;
+ err = bpf_map_lookup_elem(data_fd, &i, &val);
+ ASSERT_OK(err, "fentry count");
+ ASSERT_EQ(val, 33, "fentry count");
+ }
+
+ if (test_fexit) {
+ data_map = bpf_object__find_map_by_name(fexit_obj, ".bss");
+ if (!ASSERT_FALSE(!data_map || !bpf_map__is_internal(data_map),
+ "find tailcall_bpf2bpf_fexit.bss map"))
+ goto out;
+
+ data_fd = bpf_map__fd(data_map);
+ if (!ASSERT_FALSE(data_fd < 0,
+ "find tailcall_bpf2bpf_fexit.bss map fd"))
+ goto out;
+
+ i = 0;
+ err = bpf_map_lookup_elem(data_fd, &i, &val);
+ ASSERT_OK(err, "fexit count");
+ ASSERT_EQ(val, 33, "fexit count");
+ }
+
i = 0;
err = bpf_map_delete_elem(map_fd, &i);
if (CHECK_FAIL(err))
@@ -291,6 +375,10 @@ static void test_tailcall_count(const char *which)
ASSERT_OK(err, "tailcall");
ASSERT_OK(topts.retval, "tailcall retval");
out:
+ bpf_link__destroy(fentry_link);
+ bpf_link__destroy(fexit_link);
+ bpf_object__close(fentry_obj);
+ bpf_object__close(fexit_obj);
bpf_object__close(obj);
}
@@ -299,7 +387,7 @@ out:
*/
static void test_tailcall_3(void)
{
- test_tailcall_count("tailcall3.bpf.o");
+ test_tailcall_count("tailcall3.bpf.o", false, false);
}
/* test_tailcall_6 checks that the count value of the tail call limit
@@ -307,7 +395,7 @@ static void test_tailcall_3(void)
*/
static void test_tailcall_6(void)
{
- test_tailcall_count("tailcall6.bpf.o");
+ test_tailcall_count("tailcall6.bpf.o", false, false);
}
/* test_tailcall_4 checks that the kernel properly selects indirect jump
@@ -352,11 +440,11 @@ static void test_tailcall_4(void)
data_map = bpf_object__find_map_by_name(obj, "tailcall.bss");
if (CHECK_FAIL(!data_map || !bpf_map__is_internal(data_map)))
- return;
+ goto out;
data_fd = bpf_map__fd(data_map);
- if (CHECK_FAIL(map_fd < 0))
- return;
+ if (CHECK_FAIL(data_fd < 0))
+ goto out;
for (i = 0; i < bpf_map__max_entries(prog_array); i++) {
snprintf(prog_name, sizeof(prog_name), "classifier_%d", i);
@@ -442,11 +530,11 @@ static void test_tailcall_5(void)
data_map = bpf_object__find_map_by_name(obj, "tailcall.bss");
if (CHECK_FAIL(!data_map || !bpf_map__is_internal(data_map)))
- return;
+ goto out;
data_fd = bpf_map__fd(data_map);
- if (CHECK_FAIL(map_fd < 0))
- return;
+ if (CHECK_FAIL(data_fd < 0))
+ goto out;
for (i = 0; i < bpf_map__max_entries(prog_array); i++) {
snprintf(prog_name, sizeof(prog_name), "classifier_%d", i);
@@ -631,11 +719,11 @@ static void test_tailcall_bpf2bpf_2(void)
data_map = bpf_object__find_map_by_name(obj, "tailcall.bss");
if (CHECK_FAIL(!data_map || !bpf_map__is_internal(data_map)))
- return;
+ goto out;
data_fd = bpf_map__fd(data_map);
- if (CHECK_FAIL(map_fd < 0))
- return;
+ if (CHECK_FAIL(data_fd < 0))
+ goto out;
i = 0;
err = bpf_map_lookup_elem(data_fd, &i, &val);
@@ -805,11 +893,11 @@ static void test_tailcall_bpf2bpf_4(bool noise)
data_map = bpf_object__find_map_by_name(obj, "tailcall.bss");
if (CHECK_FAIL(!data_map || !bpf_map__is_internal(data_map)))
- return;
+ goto out;
data_fd = bpf_map__fd(data_map);
- if (CHECK_FAIL(map_fd < 0))
- return;
+ if (CHECK_FAIL(data_fd < 0))
+ goto out;
i = 0;
val.noise = noise;
@@ -872,7 +960,7 @@ static void test_tailcall_bpf2bpf_6(void)
ASSERT_EQ(topts.retval, 0, "tailcall retval");
data_fd = bpf_map__fd(obj->maps.bss);
- if (!ASSERT_GE(map_fd, 0, "bss map fd"))
+ if (!ASSERT_GE(data_fd, 0, "bss map fd"))
goto out;
i = 0;
@@ -884,6 +972,139 @@ out:
tailcall_bpf2bpf6__destroy(obj);
}
+/* test_tailcall_bpf2bpf_fentry checks that the count value of the tail call
+ * limit enforcement matches with expectations when tailcall is preceded with
+ * bpf2bpf call, and the bpf2bpf call is traced by fentry.
+ */
+static void test_tailcall_bpf2bpf_fentry(void)
+{
+ test_tailcall_count("tailcall_bpf2bpf2.bpf.o", true, false);
+}
+
+/* test_tailcall_bpf2bpf_fexit checks that the count value of the tail call
+ * limit enforcement matches with expectations when tailcall is preceded with
+ * bpf2bpf call, and the bpf2bpf call is traced by fexit.
+ */
+static void test_tailcall_bpf2bpf_fexit(void)
+{
+ test_tailcall_count("tailcall_bpf2bpf2.bpf.o", false, true);
+}
+
+/* test_tailcall_bpf2bpf_fentry_fexit checks that the count value of the tail
+ * call limit enforcement matches with expectations when tailcall is preceded
+ * with bpf2bpf call, and the bpf2bpf call is traced by both fentry and fexit.
+ */
+static void test_tailcall_bpf2bpf_fentry_fexit(void)
+{
+ test_tailcall_count("tailcall_bpf2bpf2.bpf.o", true, true);
+}
+
+/* test_tailcall_bpf2bpf_fentry_entry checks that the count value of the tail
+ * call limit enforcement matches with expectations when tailcall is preceded
+ * with bpf2bpf call, and the bpf2bpf caller is traced by fentry.
+ */
+static void test_tailcall_bpf2bpf_fentry_entry(void)
+{
+ struct bpf_object *tgt_obj = NULL, *fentry_obj = NULL;
+ int err, map_fd, prog_fd, data_fd, i, val;
+ struct bpf_map *prog_array, *data_map;
+ struct bpf_link *fentry_link = NULL;
+ struct bpf_program *prog;
+ char buff[128] = {};
+
+ LIBBPF_OPTS(bpf_test_run_opts, topts,
+ .data_in = buff,
+ .data_size_in = sizeof(buff),
+ .repeat = 1,
+ );
+
+ err = bpf_prog_test_load("tailcall_bpf2bpf2.bpf.o",
+ BPF_PROG_TYPE_SCHED_CLS,
+ &tgt_obj, &prog_fd);
+ if (!ASSERT_OK(err, "load tgt_obj"))
+ return;
+
+ prog_array = bpf_object__find_map_by_name(tgt_obj, "jmp_table");
+ if (!ASSERT_OK_PTR(prog_array, "find jmp_table map"))
+ goto out;
+
+ map_fd = bpf_map__fd(prog_array);
+ if (!ASSERT_FALSE(map_fd < 0, "find jmp_table map fd"))
+ goto out;
+
+ prog = bpf_object__find_program_by_name(tgt_obj, "classifier_0");
+ if (!ASSERT_OK_PTR(prog, "find classifier_0 prog"))
+ goto out;
+
+ prog_fd = bpf_program__fd(prog);
+ if (!ASSERT_FALSE(prog_fd < 0, "find classifier_0 prog fd"))
+ goto out;
+
+ i = 0;
+ err = bpf_map_update_elem(map_fd, &i, &prog_fd, BPF_ANY);
+ if (!ASSERT_OK(err, "update jmp_table"))
+ goto out;
+
+ fentry_obj = bpf_object__open_file("tailcall_bpf2bpf_fentry.bpf.o",
+ NULL);
+ if (!ASSERT_OK_PTR(fentry_obj, "open fentry_obj file"))
+ goto out;
+
+ prog = bpf_object__find_program_by_name(fentry_obj, "fentry");
+ if (!ASSERT_OK_PTR(prog, "find fentry prog"))
+ goto out;
+
+ err = bpf_program__set_attach_target(prog, prog_fd, "classifier_0");
+ if (!ASSERT_OK(err, "set_attach_target classifier_0"))
+ goto out;
+
+ err = bpf_object__load(fentry_obj);
+ if (!ASSERT_OK(err, "load fentry_obj"))
+ goto out;
+
+ fentry_link = bpf_program__attach_trace(prog);
+ if (!ASSERT_OK_PTR(fentry_link, "attach_trace"))
+ goto out;
+
+ err = bpf_prog_test_run_opts(prog_fd, &topts);
+ ASSERT_OK(err, "tailcall");
+ ASSERT_EQ(topts.retval, 1, "tailcall retval");
+
+ data_map = bpf_object__find_map_by_name(tgt_obj, "tailcall.bss");
+ if (!ASSERT_FALSE(!data_map || !bpf_map__is_internal(data_map),
+ "find tailcall.bss map"))
+ goto out;
+
+ data_fd = bpf_map__fd(data_map);
+ if (!ASSERT_FALSE(data_fd < 0, "find tailcall.bss map fd"))
+ goto out;
+
+ i = 0;
+ err = bpf_map_lookup_elem(data_fd, &i, &val);
+ ASSERT_OK(err, "tailcall count");
+ ASSERT_EQ(val, 34, "tailcall count");
+
+ data_map = bpf_object__find_map_by_name(fentry_obj, ".bss");
+ if (!ASSERT_FALSE(!data_map || !bpf_map__is_internal(data_map),
+ "find tailcall_bpf2bpf_fentry.bss map"))
+ goto out;
+
+ data_fd = bpf_map__fd(data_map);
+ if (!ASSERT_FALSE(data_fd < 0,
+ "find tailcall_bpf2bpf_fentry.bss map fd"))
+ goto out;
+
+ i = 0;
+ err = bpf_map_lookup_elem(data_fd, &i, &val);
+ ASSERT_OK(err, "fentry count");
+ ASSERT_EQ(val, 1, "fentry count");
+
+out:
+ bpf_link__destroy(fentry_link);
+ bpf_object__close(fentry_obj);
+ bpf_object__close(tgt_obj);
+}
+
void test_tailcalls(void)
{
if (test__start_subtest("tailcall_1"))
@@ -910,4 +1131,12 @@ void test_tailcalls(void)
test_tailcall_bpf2bpf_4(true);
if (test__start_subtest("tailcall_bpf2bpf_6"))
test_tailcall_bpf2bpf_6();
+ if (test__start_subtest("tailcall_bpf2bpf_fentry"))
+ test_tailcall_bpf2bpf_fentry();
+ if (test__start_subtest("tailcall_bpf2bpf_fexit"))
+ test_tailcall_bpf2bpf_fexit();
+ if (test__start_subtest("tailcall_bpf2bpf_fentry_fexit"))
+ test_tailcall_bpf2bpf_fentry_fexit();
+ if (test__start_subtest("tailcall_bpf2bpf_fentry_entry"))
+ test_tailcall_bpf2bpf_fentry_entry();
}
diff --git a/tools/testing/selftests/bpf/prog_tests/task_under_cgroup.c b/tools/testing/selftests/bpf/prog_tests/task_under_cgroup.c
index 4224727fb364..626d76fe43a2 100644
--- a/tools/testing/selftests/bpf/prog_tests/task_under_cgroup.c
+++ b/tools/testing/selftests/bpf/prog_tests/task_under_cgroup.c
@@ -30,8 +30,15 @@ void test_task_under_cgroup(void)
if (!ASSERT_OK(ret, "test_task_under_cgroup__load"))
goto cleanup;
- ret = test_task_under_cgroup__attach(skel);
- if (!ASSERT_OK(ret, "test_task_under_cgroup__attach"))
+ /* First, attach the LSM program, and then it will be triggered when the
+ * TP_BTF program is attached.
+ */
+ skel->links.lsm_run = bpf_program__attach_lsm(skel->progs.lsm_run);
+ if (!ASSERT_OK_PTR(skel->links.lsm_run, "attach_lsm"))
+ goto cleanup;
+
+ skel->links.tp_btf_run = bpf_program__attach_trace(skel->progs.tp_btf_run);
+ if (!ASSERT_OK_PTR(skel->links.tp_btf_run, "attach_tp_btf"))
goto cleanup;
pid = fork();
diff --git a/tools/testing/selftests/bpf/prog_tests/tc_helpers.h b/tools/testing/selftests/bpf/prog_tests/tc_helpers.h
index 67f985f7d215..924d0e25320c 100644
--- a/tools/testing/selftests/bpf/prog_tests/tc_helpers.h
+++ b/tools/testing/selftests/bpf/prog_tests/tc_helpers.h
@@ -4,6 +4,10 @@
#define TC_HELPERS
#include <test_progs.h>
+#ifndef loopback
+# define loopback 1
+#endif
+
static inline __u32 id_from_prog_fd(int fd)
{
struct bpf_prog_info prog_info = {};
diff --git a/tools/testing/selftests/bpf/prog_tests/tc_netkit.c b/tools/testing/selftests/bpf/prog_tests/tc_netkit.c
new file mode 100644
index 000000000000..15ee7b2fc410
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/tc_netkit.c
@@ -0,0 +1,687 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2023 Isovalent */
+#include <uapi/linux/if_link.h>
+#include <net/if.h>
+#include <test_progs.h>
+
+#define netkit_peer "nk0"
+#define netkit_name "nk1"
+
+#define ping_addr_neigh 0x0a000002 /* 10.0.0.2 */
+#define ping_addr_noneigh 0x0a000003 /* 10.0.0.3 */
+
+#include "test_tc_link.skel.h"
+#include "netlink_helpers.h"
+#include "tc_helpers.h"
+
+#define ICMP_ECHO 8
+
+struct icmphdr {
+ __u8 type;
+ __u8 code;
+ __sum16 checksum;
+ struct {
+ __be16 id;
+ __be16 sequence;
+ } echo;
+};
+
+struct iplink_req {
+ struct nlmsghdr n;
+ struct ifinfomsg i;
+ char buf[1024];
+};
+
+static int create_netkit(int mode, int policy, int peer_policy, int *ifindex,
+ bool same_netns)
+{
+ struct rtnl_handle rth = { .fd = -1 };
+ struct iplink_req req = {};
+ struct rtattr *linkinfo, *data;
+ const char *type = "netkit";
+ int err;
+
+ err = rtnl_open(&rth, 0);
+ if (!ASSERT_OK(err, "open_rtnetlink"))
+ return err;
+
+ memset(&req, 0, sizeof(req));
+ req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg));
+ req.n.nlmsg_flags = NLM_F_REQUEST | NLM_F_CREATE | NLM_F_EXCL;
+ req.n.nlmsg_type = RTM_NEWLINK;
+ req.i.ifi_family = AF_UNSPEC;
+
+ addattr_l(&req.n, sizeof(req), IFLA_IFNAME, netkit_name,
+ strlen(netkit_name));
+ linkinfo = addattr_nest(&req.n, sizeof(req), IFLA_LINKINFO);
+ addattr_l(&req.n, sizeof(req), IFLA_INFO_KIND, type, strlen(type));
+ data = addattr_nest(&req.n, sizeof(req), IFLA_INFO_DATA);
+ addattr32(&req.n, sizeof(req), IFLA_NETKIT_POLICY, policy);
+ addattr32(&req.n, sizeof(req), IFLA_NETKIT_PEER_POLICY, peer_policy);
+ addattr32(&req.n, sizeof(req), IFLA_NETKIT_MODE, mode);
+ addattr_nest_end(&req.n, data);
+ addattr_nest_end(&req.n, linkinfo);
+
+ err = rtnl_talk(&rth, &req.n, NULL);
+ ASSERT_OK(err, "talk_rtnetlink");
+ rtnl_close(&rth);
+ *ifindex = if_nametoindex(netkit_name);
+
+ ASSERT_GT(*ifindex, 0, "retrieve_ifindex");
+ ASSERT_OK(system("ip netns add foo"), "create netns");
+ ASSERT_OK(system("ip link set dev " netkit_name " up"),
+ "up primary");
+ ASSERT_OK(system("ip addr add dev " netkit_name " 10.0.0.1/24"),
+ "addr primary");
+ if (same_netns) {
+ ASSERT_OK(system("ip link set dev " netkit_peer " up"),
+ "up peer");
+ ASSERT_OK(system("ip addr add dev " netkit_peer " 10.0.0.2/24"),
+ "addr peer");
+ } else {
+ ASSERT_OK(system("ip link set " netkit_peer " netns foo"),
+ "move peer");
+ ASSERT_OK(system("ip netns exec foo ip link set dev "
+ netkit_peer " up"), "up peer");
+ ASSERT_OK(system("ip netns exec foo ip addr add dev "
+ netkit_peer " 10.0.0.2/24"), "addr peer");
+ }
+ return err;
+}
+
+static void destroy_netkit(void)
+{
+ ASSERT_OK(system("ip link del dev " netkit_name), "del primary");
+ ASSERT_OK(system("ip netns del foo"), "delete netns");
+ ASSERT_EQ(if_nametoindex(netkit_name), 0, netkit_name "_ifindex");
+}
+
+static int __send_icmp(__u32 dest)
+{
+ struct sockaddr_in addr;
+ struct icmphdr icmp;
+ int sock, ret;
+
+ ret = write_sysctl("/proc/sys/net/ipv4/ping_group_range", "0 0");
+ if (!ASSERT_OK(ret, "write_sysctl(net.ipv4.ping_group_range)"))
+ return ret;
+
+ sock = socket(AF_INET, SOCK_DGRAM, IPPROTO_ICMP);
+ if (!ASSERT_GE(sock, 0, "icmp_socket"))
+ return -errno;
+
+ ret = setsockopt(sock, SOL_SOCKET, SO_BINDTODEVICE,
+ netkit_name, strlen(netkit_name) + 1);
+ if (!ASSERT_OK(ret, "setsockopt(SO_BINDTODEVICE)"))
+ goto out;
+
+ memset(&addr, 0, sizeof(addr));
+ addr.sin_family = AF_INET;
+ addr.sin_addr.s_addr = htonl(dest);
+
+ memset(&icmp, 0, sizeof(icmp));
+ icmp.type = ICMP_ECHO;
+ icmp.echo.id = 1234;
+ icmp.echo.sequence = 1;
+
+ ret = sendto(sock, &icmp, sizeof(icmp), 0,
+ (struct sockaddr *)&addr, sizeof(addr));
+ if (!ASSERT_GE(ret, 0, "icmp_sendto"))
+ ret = -errno;
+ else
+ ret = 0;
+out:
+ close(sock);
+ return ret;
+}
+
+static int send_icmp(void)
+{
+ return __send_icmp(ping_addr_neigh);
+}
+
+void serial_test_tc_netkit_basic(void)
+{
+ LIBBPF_OPTS(bpf_prog_query_opts, optq);
+ LIBBPF_OPTS(bpf_netkit_opts, optl);
+ __u32 prog_ids[2], link_ids[2];
+ __u32 pid1, pid2, lid1, lid2;
+ struct test_tc_link *skel;
+ struct bpf_link *link;
+ int err, ifindex;
+
+ err = create_netkit(NETKIT_L2, NETKIT_PASS, NETKIT_PASS,
+ &ifindex, false);
+ if (err)
+ return;
+
+ skel = test_tc_link__open();
+ if (!ASSERT_OK_PTR(skel, "skel_open"))
+ goto cleanup;
+
+ ASSERT_EQ(bpf_program__set_expected_attach_type(skel->progs.tc1,
+ BPF_NETKIT_PRIMARY), 0, "tc1_attach_type");
+ ASSERT_EQ(bpf_program__set_expected_attach_type(skel->progs.tc2,
+ BPF_NETKIT_PEER), 0, "tc2_attach_type");
+
+ err = test_tc_link__load(skel);
+ if (!ASSERT_OK(err, "skel_load"))
+ goto cleanup;
+
+ pid1 = id_from_prog_fd(bpf_program__fd(skel->progs.tc1));
+ pid2 = id_from_prog_fd(bpf_program__fd(skel->progs.tc2));
+
+ ASSERT_NEQ(pid1, pid2, "prog_ids_1_2");
+
+ assert_mprog_count_ifindex(ifindex, BPF_NETKIT_PRIMARY, 0);
+ assert_mprog_count_ifindex(ifindex, BPF_NETKIT_PEER, 0);
+
+ ASSERT_EQ(skel->bss->seen_tc1, false, "seen_tc1");
+ ASSERT_EQ(skel->bss->seen_tc2, false, "seen_tc2");
+
+ link = bpf_program__attach_netkit(skel->progs.tc1, ifindex, &optl);
+ if (!ASSERT_OK_PTR(link, "link_attach"))
+ goto cleanup;
+
+ skel->links.tc1 = link;
+
+ lid1 = id_from_link_fd(bpf_link__fd(skel->links.tc1));
+
+ assert_mprog_count_ifindex(ifindex, BPF_NETKIT_PRIMARY, 1);
+ assert_mprog_count_ifindex(ifindex, BPF_NETKIT_PEER, 0);
+
+ optq.prog_ids = prog_ids;
+ optq.link_ids = link_ids;
+
+ memset(prog_ids, 0, sizeof(prog_ids));
+ memset(link_ids, 0, sizeof(link_ids));
+ optq.count = ARRAY_SIZE(prog_ids);
+
+ err = bpf_prog_query_opts(ifindex, BPF_NETKIT_PRIMARY, &optq);
+ if (!ASSERT_OK(err, "prog_query"))
+ goto cleanup;
+
+ ASSERT_EQ(optq.count, 1, "count");
+ ASSERT_EQ(optq.revision, 2, "revision");
+ ASSERT_EQ(optq.prog_ids[0], pid1, "prog_ids[0]");
+ ASSERT_EQ(optq.link_ids[0], lid1, "link_ids[0]");
+ ASSERT_EQ(optq.prog_ids[1], 0, "prog_ids[1]");
+ ASSERT_EQ(optq.link_ids[1], 0, "link_ids[1]");
+
+ tc_skel_reset_all_seen(skel);
+ ASSERT_EQ(send_icmp(), 0, "icmp_pkt");
+
+ ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1");
+ ASSERT_EQ(skel->bss->seen_tc2, false, "seen_tc2");
+
+ link = bpf_program__attach_netkit(skel->progs.tc2, ifindex, &optl);
+ if (!ASSERT_OK_PTR(link, "link_attach"))
+ goto cleanup;
+
+ skel->links.tc2 = link;
+
+ lid2 = id_from_link_fd(bpf_link__fd(skel->links.tc2));
+ ASSERT_NEQ(lid1, lid2, "link_ids_1_2");
+
+ assert_mprog_count_ifindex(ifindex, BPF_NETKIT_PRIMARY, 1);
+ assert_mprog_count_ifindex(ifindex, BPF_NETKIT_PEER, 1);
+
+ memset(prog_ids, 0, sizeof(prog_ids));
+ memset(link_ids, 0, sizeof(link_ids));
+ optq.count = ARRAY_SIZE(prog_ids);
+
+ err = bpf_prog_query_opts(ifindex, BPF_NETKIT_PEER, &optq);
+ if (!ASSERT_OK(err, "prog_query"))
+ goto cleanup;
+
+ ASSERT_EQ(optq.count, 1, "count");
+ ASSERT_EQ(optq.revision, 2, "revision");
+ ASSERT_EQ(optq.prog_ids[0], pid2, "prog_ids[0]");
+ ASSERT_EQ(optq.link_ids[0], lid2, "link_ids[0]");
+ ASSERT_EQ(optq.prog_ids[1], 0, "prog_ids[1]");
+ ASSERT_EQ(optq.link_ids[1], 0, "link_ids[1]");
+
+ tc_skel_reset_all_seen(skel);
+ ASSERT_EQ(send_icmp(), 0, "icmp_pkt");
+
+ ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1");
+ ASSERT_EQ(skel->bss->seen_tc2, true, "seen_tc2");
+cleanup:
+ test_tc_link__destroy(skel);
+
+ assert_mprog_count_ifindex(ifindex, BPF_NETKIT_PRIMARY, 0);
+ assert_mprog_count_ifindex(ifindex, BPF_NETKIT_PEER, 0);
+ destroy_netkit();
+}
+
+static void serial_test_tc_netkit_multi_links_target(int mode, int target)
+{
+ LIBBPF_OPTS(bpf_prog_query_opts, optq);
+ LIBBPF_OPTS(bpf_netkit_opts, optl);
+ __u32 prog_ids[3], link_ids[3];
+ __u32 pid1, pid2, lid1, lid2;
+ struct test_tc_link *skel;
+ struct bpf_link *link;
+ int err, ifindex;
+
+ err = create_netkit(mode, NETKIT_PASS, NETKIT_PASS,
+ &ifindex, false);
+ if (err)
+ return;
+
+ skel = test_tc_link__open();
+ if (!ASSERT_OK_PTR(skel, "skel_open"))
+ goto cleanup;
+
+ ASSERT_EQ(bpf_program__set_expected_attach_type(skel->progs.tc1,
+ target), 0, "tc1_attach_type");
+ ASSERT_EQ(bpf_program__set_expected_attach_type(skel->progs.tc2,
+ target), 0, "tc2_attach_type");
+
+ err = test_tc_link__load(skel);
+ if (!ASSERT_OK(err, "skel_load"))
+ goto cleanup;
+
+ pid1 = id_from_prog_fd(bpf_program__fd(skel->progs.tc1));
+ pid2 = id_from_prog_fd(bpf_program__fd(skel->progs.tc2));
+
+ ASSERT_NEQ(pid1, pid2, "prog_ids_1_2");
+
+ assert_mprog_count_ifindex(ifindex, target, 0);
+
+ ASSERT_EQ(skel->bss->seen_tc1, false, "seen_tc1");
+ ASSERT_EQ(skel->bss->seen_eth, false, "seen_eth");
+ ASSERT_EQ(skel->bss->seen_tc2, false, "seen_tc2");
+
+ link = bpf_program__attach_netkit(skel->progs.tc1, ifindex, &optl);
+ if (!ASSERT_OK_PTR(link, "link_attach"))
+ goto cleanup;
+
+ skel->links.tc1 = link;
+
+ lid1 = id_from_link_fd(bpf_link__fd(skel->links.tc1));
+
+ assert_mprog_count_ifindex(ifindex, target, 1);
+
+ optq.prog_ids = prog_ids;
+ optq.link_ids = link_ids;
+
+ memset(prog_ids, 0, sizeof(prog_ids));
+ memset(link_ids, 0, sizeof(link_ids));
+ optq.count = ARRAY_SIZE(prog_ids);
+
+ err = bpf_prog_query_opts(ifindex, target, &optq);
+ if (!ASSERT_OK(err, "prog_query"))
+ goto cleanup;
+
+ ASSERT_EQ(optq.count, 1, "count");
+ ASSERT_EQ(optq.revision, 2, "revision");
+ ASSERT_EQ(optq.prog_ids[0], pid1, "prog_ids[0]");
+ ASSERT_EQ(optq.link_ids[0], lid1, "link_ids[0]");
+ ASSERT_EQ(optq.prog_ids[1], 0, "prog_ids[1]");
+ ASSERT_EQ(optq.link_ids[1], 0, "link_ids[1]");
+
+ tc_skel_reset_all_seen(skel);
+ ASSERT_EQ(send_icmp(), 0, "icmp_pkt");
+
+ ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1");
+ ASSERT_EQ(skel->bss->seen_eth, true, "seen_eth");
+ ASSERT_EQ(skel->bss->seen_tc2, false, "seen_tc2");
+
+ LIBBPF_OPTS_RESET(optl,
+ .flags = BPF_F_BEFORE,
+ .relative_fd = bpf_program__fd(skel->progs.tc1),
+ );
+
+ link = bpf_program__attach_netkit(skel->progs.tc2, ifindex, &optl);
+ if (!ASSERT_OK_PTR(link, "link_attach"))
+ goto cleanup;
+
+ skel->links.tc2 = link;
+
+ lid2 = id_from_link_fd(bpf_link__fd(skel->links.tc2));
+ ASSERT_NEQ(lid1, lid2, "link_ids_1_2");
+
+ assert_mprog_count_ifindex(ifindex, target, 2);
+
+ memset(prog_ids, 0, sizeof(prog_ids));
+ memset(link_ids, 0, sizeof(link_ids));
+ optq.count = ARRAY_SIZE(prog_ids);
+
+ err = bpf_prog_query_opts(ifindex, target, &optq);
+ if (!ASSERT_OK(err, "prog_query"))
+ goto cleanup;
+
+ ASSERT_EQ(optq.count, 2, "count");
+ ASSERT_EQ(optq.revision, 3, "revision");
+ ASSERT_EQ(optq.prog_ids[0], pid2, "prog_ids[0]");
+ ASSERT_EQ(optq.link_ids[0], lid2, "link_ids[0]");
+ ASSERT_EQ(optq.prog_ids[1], pid1, "prog_ids[1]");
+ ASSERT_EQ(optq.link_ids[1], lid1, "link_ids[1]");
+ ASSERT_EQ(optq.prog_ids[2], 0, "prog_ids[2]");
+ ASSERT_EQ(optq.link_ids[2], 0, "link_ids[2]");
+
+ tc_skel_reset_all_seen(skel);
+ ASSERT_EQ(send_icmp(), 0, "icmp_pkt");
+
+ ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1");
+ ASSERT_EQ(skel->bss->seen_eth, true, "seen_eth");
+ ASSERT_EQ(skel->bss->seen_tc2, true, "seen_tc2");
+cleanup:
+ test_tc_link__destroy(skel);
+
+ assert_mprog_count_ifindex(ifindex, target, 0);
+ destroy_netkit();
+}
+
+void serial_test_tc_netkit_multi_links(void)
+{
+ serial_test_tc_netkit_multi_links_target(NETKIT_L2, BPF_NETKIT_PRIMARY);
+ serial_test_tc_netkit_multi_links_target(NETKIT_L3, BPF_NETKIT_PRIMARY);
+ serial_test_tc_netkit_multi_links_target(NETKIT_L2, BPF_NETKIT_PEER);
+ serial_test_tc_netkit_multi_links_target(NETKIT_L3, BPF_NETKIT_PEER);
+}
+
+static void serial_test_tc_netkit_multi_opts_target(int mode, int target)
+{
+ LIBBPF_OPTS(bpf_prog_attach_opts, opta);
+ LIBBPF_OPTS(bpf_prog_detach_opts, optd);
+ LIBBPF_OPTS(bpf_prog_query_opts, optq);
+ __u32 pid1, pid2, fd1, fd2;
+ __u32 prog_ids[3];
+ struct test_tc_link *skel;
+ int err, ifindex;
+
+ err = create_netkit(mode, NETKIT_PASS, NETKIT_PASS,
+ &ifindex, false);
+ if (err)
+ return;
+
+ skel = test_tc_link__open_and_load();
+ if (!ASSERT_OK_PTR(skel, "skel_load"))
+ goto cleanup;
+
+ fd1 = bpf_program__fd(skel->progs.tc1);
+ fd2 = bpf_program__fd(skel->progs.tc2);
+
+ pid1 = id_from_prog_fd(fd1);
+ pid2 = id_from_prog_fd(fd2);
+
+ ASSERT_NEQ(pid1, pid2, "prog_ids_1_2");
+
+ assert_mprog_count_ifindex(ifindex, target, 0);
+
+ ASSERT_EQ(skel->bss->seen_tc1, false, "seen_tc1");
+ ASSERT_EQ(skel->bss->seen_eth, false, "seen_eth");
+ ASSERT_EQ(skel->bss->seen_tc2, false, "seen_tc2");
+
+ err = bpf_prog_attach_opts(fd1, ifindex, target, &opta);
+ if (!ASSERT_EQ(err, 0, "prog_attach"))
+ goto cleanup;
+
+ assert_mprog_count_ifindex(ifindex, target, 1);
+
+ optq.prog_ids = prog_ids;
+
+ memset(prog_ids, 0, sizeof(prog_ids));
+ optq.count = ARRAY_SIZE(prog_ids);
+
+ err = bpf_prog_query_opts(ifindex, target, &optq);
+ if (!ASSERT_OK(err, "prog_query"))
+ goto cleanup_fd1;
+
+ ASSERT_EQ(optq.count, 1, "count");
+ ASSERT_EQ(optq.revision, 2, "revision");
+ ASSERT_EQ(optq.prog_ids[0], pid1, "prog_ids[0]");
+ ASSERT_EQ(optq.prog_ids[1], 0, "prog_ids[1]");
+
+ tc_skel_reset_all_seen(skel);
+ ASSERT_EQ(send_icmp(), 0, "icmp_pkt");
+
+ ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1");
+ ASSERT_EQ(skel->bss->seen_eth, true, "seen_eth");
+ ASSERT_EQ(skel->bss->seen_tc2, false, "seen_tc2");
+
+ LIBBPF_OPTS_RESET(opta,
+ .flags = BPF_F_BEFORE,
+ .relative_fd = fd1,
+ );
+
+ err = bpf_prog_attach_opts(fd2, ifindex, target, &opta);
+ if (!ASSERT_EQ(err, 0, "prog_attach"))
+ goto cleanup_fd1;
+
+ assert_mprog_count_ifindex(ifindex, target, 2);
+
+ memset(prog_ids, 0, sizeof(prog_ids));
+ optq.count = ARRAY_SIZE(prog_ids);
+
+ err = bpf_prog_query_opts(ifindex, target, &optq);
+ if (!ASSERT_OK(err, "prog_query"))
+ goto cleanup_fd2;
+
+ ASSERT_EQ(optq.count, 2, "count");
+ ASSERT_EQ(optq.revision, 3, "revision");
+ ASSERT_EQ(optq.prog_ids[0], pid2, "prog_ids[0]");
+ ASSERT_EQ(optq.prog_ids[1], pid1, "prog_ids[1]");
+ ASSERT_EQ(optq.prog_ids[2], 0, "prog_ids[2]");
+
+ tc_skel_reset_all_seen(skel);
+ ASSERT_EQ(send_icmp(), 0, "icmp_pkt");
+
+ ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1");
+ ASSERT_EQ(skel->bss->seen_eth, true, "seen_eth");
+ ASSERT_EQ(skel->bss->seen_tc2, true, "seen_tc2");
+
+cleanup_fd2:
+ err = bpf_prog_detach_opts(fd2, ifindex, target, &optd);
+ ASSERT_OK(err, "prog_detach");
+ assert_mprog_count_ifindex(ifindex, target, 1);
+cleanup_fd1:
+ err = bpf_prog_detach_opts(fd1, ifindex, target, &optd);
+ ASSERT_OK(err, "prog_detach");
+ assert_mprog_count_ifindex(ifindex, target, 0);
+cleanup:
+ test_tc_link__destroy(skel);
+
+ assert_mprog_count_ifindex(ifindex, target, 0);
+ destroy_netkit();
+}
+
+void serial_test_tc_netkit_multi_opts(void)
+{
+ serial_test_tc_netkit_multi_opts_target(NETKIT_L2, BPF_NETKIT_PRIMARY);
+ serial_test_tc_netkit_multi_opts_target(NETKIT_L3, BPF_NETKIT_PRIMARY);
+ serial_test_tc_netkit_multi_opts_target(NETKIT_L2, BPF_NETKIT_PEER);
+ serial_test_tc_netkit_multi_opts_target(NETKIT_L3, BPF_NETKIT_PEER);
+}
+
+void serial_test_tc_netkit_device(void)
+{
+ LIBBPF_OPTS(bpf_prog_query_opts, optq);
+ LIBBPF_OPTS(bpf_netkit_opts, optl);
+ __u32 prog_ids[2], link_ids[2];
+ __u32 pid1, pid2, lid1;
+ struct test_tc_link *skel;
+ struct bpf_link *link;
+ int err, ifindex, ifindex2;
+
+ err = create_netkit(NETKIT_L3, NETKIT_PASS, NETKIT_PASS,
+ &ifindex, true);
+ if (err)
+ return;
+
+ ifindex2 = if_nametoindex(netkit_peer);
+ ASSERT_NEQ(ifindex, ifindex2, "ifindex_1_2");
+
+ skel = test_tc_link__open();
+ if (!ASSERT_OK_PTR(skel, "skel_open"))
+ goto cleanup;
+
+ ASSERT_EQ(bpf_program__set_expected_attach_type(skel->progs.tc1,
+ BPF_NETKIT_PRIMARY), 0, "tc1_attach_type");
+ ASSERT_EQ(bpf_program__set_expected_attach_type(skel->progs.tc2,
+ BPF_NETKIT_PEER), 0, "tc2_attach_type");
+ ASSERT_EQ(bpf_program__set_expected_attach_type(skel->progs.tc3,
+ BPF_NETKIT_PRIMARY), 0, "tc3_attach_type");
+
+ err = test_tc_link__load(skel);
+ if (!ASSERT_OK(err, "skel_load"))
+ goto cleanup;
+
+ pid1 = id_from_prog_fd(bpf_program__fd(skel->progs.tc1));
+ pid2 = id_from_prog_fd(bpf_program__fd(skel->progs.tc2));
+
+ ASSERT_NEQ(pid1, pid2, "prog_ids_1_2");
+
+ assert_mprog_count_ifindex(ifindex, BPF_NETKIT_PRIMARY, 0);
+ assert_mprog_count_ifindex(ifindex, BPF_NETKIT_PEER, 0);
+
+ ASSERT_EQ(skel->bss->seen_tc1, false, "seen_tc1");
+ ASSERT_EQ(skel->bss->seen_tc2, false, "seen_tc2");
+
+ link = bpf_program__attach_netkit(skel->progs.tc1, ifindex, &optl);
+ if (!ASSERT_OK_PTR(link, "link_attach"))
+ goto cleanup;
+
+ skel->links.tc1 = link;
+
+ lid1 = id_from_link_fd(bpf_link__fd(skel->links.tc1));
+
+ assert_mprog_count_ifindex(ifindex, BPF_NETKIT_PRIMARY, 1);
+ assert_mprog_count_ifindex(ifindex, BPF_NETKIT_PEER, 0);
+
+ optq.prog_ids = prog_ids;
+ optq.link_ids = link_ids;
+
+ memset(prog_ids, 0, sizeof(prog_ids));
+ memset(link_ids, 0, sizeof(link_ids));
+ optq.count = ARRAY_SIZE(prog_ids);
+
+ err = bpf_prog_query_opts(ifindex, BPF_NETKIT_PRIMARY, &optq);
+ if (!ASSERT_OK(err, "prog_query"))
+ goto cleanup;
+
+ ASSERT_EQ(optq.count, 1, "count");
+ ASSERT_EQ(optq.revision, 2, "revision");
+ ASSERT_EQ(optq.prog_ids[0], pid1, "prog_ids[0]");
+ ASSERT_EQ(optq.link_ids[0], lid1, "link_ids[0]");
+ ASSERT_EQ(optq.prog_ids[1], 0, "prog_ids[1]");
+ ASSERT_EQ(optq.link_ids[1], 0, "link_ids[1]");
+
+ tc_skel_reset_all_seen(skel);
+ ASSERT_EQ(send_icmp(), 0, "icmp_pkt");
+
+ ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1");
+ ASSERT_EQ(skel->bss->seen_tc2, false, "seen_tc2");
+
+ memset(prog_ids, 0, sizeof(prog_ids));
+ memset(link_ids, 0, sizeof(link_ids));
+ optq.count = ARRAY_SIZE(prog_ids);
+
+ err = bpf_prog_query_opts(ifindex2, BPF_NETKIT_PRIMARY, &optq);
+ ASSERT_EQ(err, -EACCES, "prog_query_should_fail");
+
+ err = bpf_prog_query_opts(ifindex2, BPF_NETKIT_PEER, &optq);
+ ASSERT_EQ(err, -EACCES, "prog_query_should_fail");
+
+ link = bpf_program__attach_netkit(skel->progs.tc2, ifindex2, &optl);
+ if (!ASSERT_ERR_PTR(link, "link_attach_should_fail")) {
+ bpf_link__destroy(link);
+ goto cleanup;
+ }
+
+ link = bpf_program__attach_netkit(skel->progs.tc3, ifindex2, &optl);
+ if (!ASSERT_ERR_PTR(link, "link_attach_should_fail")) {
+ bpf_link__destroy(link);
+ goto cleanup;
+ }
+
+ assert_mprog_count_ifindex(ifindex, BPF_NETKIT_PRIMARY, 1);
+ assert_mprog_count_ifindex(ifindex, BPF_NETKIT_PEER, 0);
+cleanup:
+ test_tc_link__destroy(skel);
+
+ assert_mprog_count_ifindex(ifindex, BPF_NETKIT_PRIMARY, 0);
+ assert_mprog_count_ifindex(ifindex, BPF_NETKIT_PEER, 0);
+ destroy_netkit();
+}
+
+static void serial_test_tc_netkit_neigh_links_target(int mode, int target)
+{
+ LIBBPF_OPTS(bpf_prog_query_opts, optq);
+ LIBBPF_OPTS(bpf_netkit_opts, optl);
+ __u32 prog_ids[2], link_ids[2];
+ __u32 pid1, lid1;
+ struct test_tc_link *skel;
+ struct bpf_link *link;
+ int err, ifindex;
+
+ err = create_netkit(mode, NETKIT_PASS, NETKIT_PASS,
+ &ifindex, false);
+ if (err)
+ return;
+
+ skel = test_tc_link__open();
+ if (!ASSERT_OK_PTR(skel, "skel_open"))
+ goto cleanup;
+
+ ASSERT_EQ(bpf_program__set_expected_attach_type(skel->progs.tc1,
+ BPF_NETKIT_PRIMARY), 0, "tc1_attach_type");
+
+ err = test_tc_link__load(skel);
+ if (!ASSERT_OK(err, "skel_load"))
+ goto cleanup;
+
+ pid1 = id_from_prog_fd(bpf_program__fd(skel->progs.tc1));
+
+ assert_mprog_count_ifindex(ifindex, target, 0);
+
+ ASSERT_EQ(skel->bss->seen_tc1, false, "seen_tc1");
+ ASSERT_EQ(skel->bss->seen_eth, false, "seen_eth");
+
+ link = bpf_program__attach_netkit(skel->progs.tc1, ifindex, &optl);
+ if (!ASSERT_OK_PTR(link, "link_attach"))
+ goto cleanup;
+
+ skel->links.tc1 = link;
+
+ lid1 = id_from_link_fd(bpf_link__fd(skel->links.tc1));
+
+ assert_mprog_count_ifindex(ifindex, target, 1);
+
+ optq.prog_ids = prog_ids;
+ optq.link_ids = link_ids;
+
+ memset(prog_ids, 0, sizeof(prog_ids));
+ memset(link_ids, 0, sizeof(link_ids));
+ optq.count = ARRAY_SIZE(prog_ids);
+
+ err = bpf_prog_query_opts(ifindex, target, &optq);
+ if (!ASSERT_OK(err, "prog_query"))
+ goto cleanup;
+
+ ASSERT_EQ(optq.count, 1, "count");
+ ASSERT_EQ(optq.revision, 2, "revision");
+ ASSERT_EQ(optq.prog_ids[0], pid1, "prog_ids[0]");
+ ASSERT_EQ(optq.link_ids[0], lid1, "link_ids[0]");
+ ASSERT_EQ(optq.prog_ids[1], 0, "prog_ids[1]");
+ ASSERT_EQ(optq.link_ids[1], 0, "link_ids[1]");
+
+ tc_skel_reset_all_seen(skel);
+ ASSERT_EQ(__send_icmp(ping_addr_noneigh), 0, "icmp_pkt");
+
+ ASSERT_EQ(skel->bss->seen_tc1, true /* L2: ARP */, "seen_tc1");
+ ASSERT_EQ(skel->bss->seen_eth, mode == NETKIT_L3, "seen_eth");
+cleanup:
+ test_tc_link__destroy(skel);
+
+ assert_mprog_count_ifindex(ifindex, target, 0);
+ destroy_netkit();
+}
+
+void serial_test_tc_netkit_neigh_links(void)
+{
+ serial_test_tc_netkit_neigh_links_target(NETKIT_L2, BPF_NETKIT_PRIMARY);
+ serial_test_tc_netkit_neigh_links_target(NETKIT_L3, BPF_NETKIT_PRIMARY);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/tc_opts.c b/tools/testing/selftests/bpf/prog_tests/tc_opts.c
index ca506d2fcf58..51883ccb8020 100644
--- a/tools/testing/selftests/bpf/prog_tests/tc_opts.c
+++ b/tools/testing/selftests/bpf/prog_tests/tc_opts.c
@@ -2471,7 +2471,7 @@ static void test_tc_opts_query_target(int target)
__u32 fd1, fd2, fd3, fd4, id1, id2, id3, id4;
struct test_tc_link *skel;
union bpf_attr attr;
- __u32 prog_ids[5];
+ __u32 prog_ids[10];
int err;
skel = test_tc_link__open_and_load();
@@ -2599,6 +2599,135 @@ static void test_tc_opts_query_target(int target)
ASSERT_EQ(attr.query.link_ids, 0, "link_ids");
ASSERT_EQ(attr.query.link_attach_flags, 0, "link_attach_flags");
+ /* Test 3: Query with smaller prog_ids array */
+ memset(&attr, 0, attr_size);
+ attr.query.target_ifindex = loopback;
+ attr.query.attach_type = target;
+
+ memset(prog_ids, 0, sizeof(prog_ids));
+ attr.query.prog_ids = ptr_to_u64(prog_ids);
+ attr.query.count = 2;
+
+ err = syscall(__NR_bpf, BPF_PROG_QUERY, &attr, attr_size);
+ ASSERT_EQ(err, -1, "prog_query_should_fail");
+ ASSERT_EQ(errno, ENOSPC, "prog_query_should_fail");
+
+ ASSERT_EQ(attr.query.count, 4, "count");
+ ASSERT_EQ(attr.query.revision, 5, "revision");
+ ASSERT_EQ(attr.query.query_flags, 0, "query_flags");
+ ASSERT_EQ(attr.query.attach_flags, 0, "attach_flags");
+ ASSERT_EQ(attr.query.target_ifindex, loopback, "target_ifindex");
+ ASSERT_EQ(attr.query.attach_type, target, "attach_type");
+ ASSERT_EQ(attr.query.prog_ids, ptr_to_u64(prog_ids), "prog_ids");
+ ASSERT_EQ(prog_ids[0], id1, "prog_ids[0]");
+ ASSERT_EQ(prog_ids[1], id2, "prog_ids[1]");
+ ASSERT_EQ(prog_ids[2], 0, "prog_ids[2]");
+ ASSERT_EQ(prog_ids[3], 0, "prog_ids[3]");
+ ASSERT_EQ(prog_ids[4], 0, "prog_ids[4]");
+ ASSERT_EQ(attr.query.prog_attach_flags, 0, "prog_attach_flags");
+ ASSERT_EQ(attr.query.link_ids, 0, "link_ids");
+ ASSERT_EQ(attr.query.link_attach_flags, 0, "link_attach_flags");
+
+ /* Test 4: Query with larger prog_ids array */
+ memset(&attr, 0, attr_size);
+ attr.query.target_ifindex = loopback;
+ attr.query.attach_type = target;
+
+ memset(prog_ids, 0, sizeof(prog_ids));
+ attr.query.prog_ids = ptr_to_u64(prog_ids);
+ attr.query.count = 10;
+
+ err = syscall(__NR_bpf, BPF_PROG_QUERY, &attr, attr_size);
+ if (!ASSERT_OK(err, "prog_query"))
+ goto cleanup4;
+
+ ASSERT_EQ(attr.query.count, 4, "count");
+ ASSERT_EQ(attr.query.revision, 5, "revision");
+ ASSERT_EQ(attr.query.query_flags, 0, "query_flags");
+ ASSERT_EQ(attr.query.attach_flags, 0, "attach_flags");
+ ASSERT_EQ(attr.query.target_ifindex, loopback, "target_ifindex");
+ ASSERT_EQ(attr.query.attach_type, target, "attach_type");
+ ASSERT_EQ(attr.query.prog_ids, ptr_to_u64(prog_ids), "prog_ids");
+ ASSERT_EQ(prog_ids[0], id1, "prog_ids[0]");
+ ASSERT_EQ(prog_ids[1], id2, "prog_ids[1]");
+ ASSERT_EQ(prog_ids[2], id3, "prog_ids[2]");
+ ASSERT_EQ(prog_ids[3], id4, "prog_ids[3]");
+ ASSERT_EQ(prog_ids[4], 0, "prog_ids[4]");
+ ASSERT_EQ(attr.query.prog_attach_flags, 0, "prog_attach_flags");
+ ASSERT_EQ(attr.query.link_ids, 0, "link_ids");
+ ASSERT_EQ(attr.query.link_attach_flags, 0, "link_attach_flags");
+
+ /* Test 5: Query with NULL prog_ids array but with count > 0 */
+ memset(&attr, 0, attr_size);
+ attr.query.target_ifindex = loopback;
+ attr.query.attach_type = target;
+
+ memset(prog_ids, 0, sizeof(prog_ids));
+ attr.query.count = sizeof(prog_ids);
+
+ err = syscall(__NR_bpf, BPF_PROG_QUERY, &attr, attr_size);
+ if (!ASSERT_OK(err, "prog_query"))
+ goto cleanup4;
+
+ ASSERT_EQ(attr.query.count, 4, "count");
+ ASSERT_EQ(attr.query.revision, 5, "revision");
+ ASSERT_EQ(attr.query.query_flags, 0, "query_flags");
+ ASSERT_EQ(attr.query.attach_flags, 0, "attach_flags");
+ ASSERT_EQ(attr.query.target_ifindex, loopback, "target_ifindex");
+ ASSERT_EQ(attr.query.attach_type, target, "attach_type");
+ ASSERT_EQ(prog_ids[0], 0, "prog_ids[0]");
+ ASSERT_EQ(prog_ids[1], 0, "prog_ids[1]");
+ ASSERT_EQ(prog_ids[2], 0, "prog_ids[2]");
+ ASSERT_EQ(prog_ids[3], 0, "prog_ids[3]");
+ ASSERT_EQ(prog_ids[4], 0, "prog_ids[4]");
+ ASSERT_EQ(attr.query.prog_ids, 0, "prog_ids");
+ ASSERT_EQ(attr.query.prog_attach_flags, 0, "prog_attach_flags");
+ ASSERT_EQ(attr.query.link_ids, 0, "link_ids");
+ ASSERT_EQ(attr.query.link_attach_flags, 0, "link_attach_flags");
+
+ /* Test 6: Query with non-NULL prog_ids array but with count == 0 */
+ memset(&attr, 0, attr_size);
+ attr.query.target_ifindex = loopback;
+ attr.query.attach_type = target;
+
+ memset(prog_ids, 0, sizeof(prog_ids));
+ attr.query.prog_ids = ptr_to_u64(prog_ids);
+
+ err = syscall(__NR_bpf, BPF_PROG_QUERY, &attr, attr_size);
+ if (!ASSERT_OK(err, "prog_query"))
+ goto cleanup4;
+
+ ASSERT_EQ(attr.query.count, 4, "count");
+ ASSERT_EQ(attr.query.revision, 5, "revision");
+ ASSERT_EQ(attr.query.query_flags, 0, "query_flags");
+ ASSERT_EQ(attr.query.attach_flags, 0, "attach_flags");
+ ASSERT_EQ(attr.query.target_ifindex, loopback, "target_ifindex");
+ ASSERT_EQ(attr.query.attach_type, target, "attach_type");
+ ASSERT_EQ(prog_ids[0], 0, "prog_ids[0]");
+ ASSERT_EQ(prog_ids[1], 0, "prog_ids[1]");
+ ASSERT_EQ(prog_ids[2], 0, "prog_ids[2]");
+ ASSERT_EQ(prog_ids[3], 0, "prog_ids[3]");
+ ASSERT_EQ(prog_ids[4], 0, "prog_ids[4]");
+ ASSERT_EQ(attr.query.prog_ids, ptr_to_u64(prog_ids), "prog_ids");
+ ASSERT_EQ(attr.query.prog_attach_flags, 0, "prog_attach_flags");
+ ASSERT_EQ(attr.query.link_ids, 0, "link_ids");
+ ASSERT_EQ(attr.query.link_attach_flags, 0, "link_attach_flags");
+
+ /* Test 7: Query with invalid flags */
+ attr.query.attach_flags = 0;
+ attr.query.query_flags = 1;
+
+ err = syscall(__NR_bpf, BPF_PROG_QUERY, &attr, attr_size);
+ ASSERT_EQ(err, -1, "prog_query_should_fail");
+ ASSERT_EQ(errno, EINVAL, "prog_query_should_fail");
+
+ attr.query.attach_flags = 1;
+ attr.query.query_flags = 0;
+
+ err = syscall(__NR_bpf, BPF_PROG_QUERY, &attr, attr_size);
+ ASSERT_EQ(err, -1, "prog_query_should_fail");
+ ASSERT_EQ(errno, EINVAL, "prog_query_should_fail");
+
cleanup4:
err = bpf_prog_detach_opts(fd4, loopback, target, &optd);
ASSERT_OK(err, "prog_detach");
diff --git a/tools/testing/selftests/bpf/prog_tests/test_bpf_ma.c b/tools/testing/selftests/bpf/prog_tests/test_bpf_ma.c
index 0cca4e8ae38e..d3491a84b3b9 100644
--- a/tools/testing/selftests/bpf/prog_tests/test_bpf_ma.c
+++ b/tools/testing/selftests/bpf/prog_tests/test_bpf_ma.c
@@ -9,9 +9,10 @@
#include "test_bpf_ma.skel.h"
-void test_test_bpf_ma(void)
+static void do_bpf_ma_test(const char *name)
{
struct test_bpf_ma *skel;
+ struct bpf_program *prog;
struct btf *btf;
int i, err;
@@ -34,6 +35,11 @@ void test_test_bpf_ma(void)
skel->rodata->data_btf_ids[i] = id;
}
+ prog = bpf_object__find_program_by_name(skel->obj, name);
+ if (!ASSERT_OK_PTR(prog, "invalid prog name"))
+ goto out;
+ bpf_program__set_autoload(prog, true);
+
err = test_bpf_ma__load(skel);
if (!ASSERT_OK(err, "load"))
goto out;
@@ -48,3 +54,15 @@ void test_test_bpf_ma(void)
out:
test_bpf_ma__destroy(skel);
}
+
+void test_test_bpf_ma(void)
+{
+ if (test__start_subtest("batch_alloc_free"))
+ do_bpf_ma_test("test_batch_alloc_free");
+ if (test__start_subtest("free_through_map_free"))
+ do_bpf_ma_test("test_free_through_map_free");
+ if (test__start_subtest("batch_percpu_alloc_free"))
+ do_bpf_ma_test("test_batch_percpu_alloc_free");
+ if (test__start_subtest("percpu_free_through_map_free"))
+ do_bpf_ma_test("test_percpu_free_through_map_free");
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/timer.c b/tools/testing/selftests/bpf/prog_tests/timer.c
index ce2c61d62fc6..760ad96b4be0 100644
--- a/tools/testing/selftests/bpf/prog_tests/timer.c
+++ b/tools/testing/selftests/bpf/prog_tests/timer.c
@@ -15,6 +15,7 @@ static int timer(struct timer *timer_skel)
ASSERT_EQ(timer_skel->data->callback_check, 52, "callback_check1");
ASSERT_EQ(timer_skel->data->callback2_check, 52, "callback2_check1");
+ ASSERT_EQ(timer_skel->bss->pinned_callback_check, 0, "pinned_callback_check1");
prog_fd = bpf_program__fd(timer_skel->progs.test1);
err = bpf_prog_test_run_opts(prog_fd, &topts);
@@ -33,6 +34,9 @@ static int timer(struct timer *timer_skel)
/* check that timer_cb3() was executed twice */
ASSERT_EQ(timer_skel->bss->abs_data, 12, "abs_data");
+ /* check that timer_cb_pinned() was executed twice */
+ ASSERT_EQ(timer_skel->bss->pinned_callback_check, 2, "pinned_callback_check");
+
/* check that there were no errors in timer execution */
ASSERT_EQ(timer_skel->bss->err, 0, "err");
diff --git a/tools/testing/selftests/bpf/prog_tests/uprobe.c b/tools/testing/selftests/bpf/prog_tests/uprobe.c
new file mode 100644
index 000000000000..cf3e0e7a64fa
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/uprobe.c
@@ -0,0 +1,95 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2023 Hengqi Chen */
+
+#include <test_progs.h>
+#include "test_uprobe.skel.h"
+
+static FILE *urand_spawn(int *pid)
+{
+ FILE *f;
+
+ /* urandom_read's stdout is wired into f */
+ f = popen("./urandom_read 1 report-pid", "r");
+ if (!f)
+ return NULL;
+
+ if (fscanf(f, "%d", pid) != 1) {
+ pclose(f);
+ errno = EINVAL;
+ return NULL;
+ }
+
+ return f;
+}
+
+static int urand_trigger(FILE **urand_pipe)
+{
+ int exit_code;
+
+ /* pclose() waits for child process to exit and returns their exit code */
+ exit_code = pclose(*urand_pipe);
+ *urand_pipe = NULL;
+
+ return exit_code;
+}
+
+void test_uprobe(void)
+{
+ LIBBPF_OPTS(bpf_uprobe_opts, uprobe_opts);
+ struct test_uprobe *skel;
+ FILE *urand_pipe = NULL;
+ int urand_pid = 0, err;
+
+ skel = test_uprobe__open_and_load();
+ if (!ASSERT_OK_PTR(skel, "skel_open"))
+ return;
+
+ urand_pipe = urand_spawn(&urand_pid);
+ if (!ASSERT_OK_PTR(urand_pipe, "urand_spawn"))
+ goto cleanup;
+
+ skel->bss->my_pid = urand_pid;
+
+ /* Manual attach uprobe to urandlib_api
+ * There are two `urandlib_api` symbols in .dynsym section:
+ * - urandlib_api@LIBURANDOM_READ_1.0.0
+ * - urandlib_api@@LIBURANDOM_READ_2.0.0
+ * Both are global bind and would cause a conflict if user
+ * specify the symbol name without a version suffix
+ */
+ uprobe_opts.func_name = "urandlib_api";
+ skel->links.test4 = bpf_program__attach_uprobe_opts(skel->progs.test4,
+ urand_pid,
+ "./liburandom_read.so",
+ 0 /* offset */,
+ &uprobe_opts);
+ if (!ASSERT_ERR_PTR(skel->links.test4, "urandlib_api_attach_conflict"))
+ goto cleanup;
+
+ uprobe_opts.func_name = "urandlib_api@LIBURANDOM_READ_1.0.0";
+ skel->links.test4 = bpf_program__attach_uprobe_opts(skel->progs.test4,
+ urand_pid,
+ "./liburandom_read.so",
+ 0 /* offset */,
+ &uprobe_opts);
+ if (!ASSERT_OK_PTR(skel->links.test4, "urandlib_api_attach_ok"))
+ goto cleanup;
+
+ /* Auto attach 3 u[ret]probes to urandlib_api_sameoffset */
+ err = test_uprobe__attach(skel);
+ if (!ASSERT_OK(err, "skel_attach"))
+ goto cleanup;
+
+ /* trigger urandom_read */
+ ASSERT_OK(urand_trigger(&urand_pipe), "urand_exit_code");
+
+ ASSERT_EQ(skel->bss->test1_result, 1, "urandlib_api_sameoffset");
+ ASSERT_EQ(skel->bss->test2_result, 1, "urandlib_api_sameoffset@v1");
+ ASSERT_EQ(skel->bss->test3_result, 3, "urandlib_api_sameoffset@@v2");
+ ASSERT_EQ(skel->bss->test4_result, 1, "urandlib_api");
+
+cleanup:
+ if (urand_pipe)
+ pclose(urand_pipe);
+ test_uprobe__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/xdp_metadata.c b/tools/testing/selftests/bpf/prog_tests/xdp_metadata.c
index 626c461fa34d..4439ba9392f8 100644
--- a/tools/testing/selftests/bpf/prog_tests/xdp_metadata.c
+++ b/tools/testing/selftests/bpf/prog_tests/xdp_metadata.c
@@ -226,7 +226,7 @@ static int verify_xsk_metadata(struct xsk *xsk)
__u64 comp_addr;
void *data;
__u64 addr;
- __u32 idx;
+ __u32 idx = 0;
int ret;
ret = recvfrom(xsk_socket__fd(xsk->socket), NULL, 0, MSG_DONTWAIT, NULL, NULL);