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authorLinus Torvalds <torvalds@linux-foundation.org>2023-02-22 05:24:12 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2023-02-22 05:24:12 +0300
commit5b7c4cabbb65f5c469464da6c5f614cbd7f730f2 (patch)
treecc5c2d0a898769fd59549594fedb3ee6f84e59a0 /tools/testing/selftests/bpf/prog_tests/kfunc_dynptr_param.c
parent36289a03bcd3aabdf66de75cb6d1b4ee15726438 (diff)
parentd1fabc68f8e0541d41657096dc713cb01775652d (diff)
downloadlinux-5b7c4cabbb65f5c469464da6c5f614cbd7f730f2.tar.xz
Merge tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from Jakub Kicinski: "Core: - Add dedicated kmem_cache for typical/small skb->head, avoid having to access struct page at kfree time, and improve memory use. - Introduce sysctl to set default RPS configuration for new netdevs. - Define Netlink protocol specification format which can be used to describe messages used by each family and auto-generate parsers. Add tools for generating kernel data structures and uAPI headers. - Expose all net/core sysctls inside netns. - Remove 4s sleep in netpoll if carrier is instantly detected on boot. - Add configurable limit of MDB entries per port, and port-vlan. - Continue populating drop reasons throughout the stack. - Retire a handful of legacy Qdiscs and classifiers. Protocols: - Support IPv4 big TCP (TSO frames larger than 64kB). - Add IP_LOCAL_PORT_RANGE socket option, to control local port range on socket by socket basis. - Track and report in procfs number of MPTCP sockets used. - Support mixing IPv4 and IPv6 flows in the in-kernel MPTCP path manager. - IPv6: don't check net.ipv6.route.max_size and rely on garbage collection to free memory (similarly to IPv4). - Support Penultimate Segment Pop (PSP) flavor in SRv6 (RFC8986). - ICMP: add per-rate limit counters. - Add support for user scanning requests in ieee802154. - Remove static WEP support. - Support minimal Wi-Fi 7 Extremely High Throughput (EHT) rate reporting. - WiFi 7 EHT channel puncturing support (client & AP). BPF: - Add a rbtree data structure following the "next-gen data structure" precedent set by recently added linked list, that is, by using kfunc + kptr instead of adding a new BPF map type. - Expose XDP hints via kfuncs with initial support for RX hash and timestamp metadata. - Add BPF_F_NO_TUNNEL_KEY extension to bpf_skb_set_tunnel_key to better support decap on GRE tunnel devices not operating in collect metadata. - Improve x86 JIT's codegen for PROBE_MEM runtime error checks. - Remove the need for trace_printk_lock for bpf_trace_printk and bpf_trace_vprintk helpers. - Extend libbpf's bpf_tracing.h support for tracing arguments of kprobes/uprobes and syscall as a special case. - Significantly reduce the search time for module symbols by livepatch and BPF. - Enable cpumasks to be used as kptrs, which is useful for tracing programs tracking which tasks end up running on which CPUs in different time intervals. - Add support for BPF trampoline on s390x and riscv64. - Add capability to export the XDP features supported by the NIC. - Add __bpf_kfunc tag for marking kernel functions as kfuncs. - Add cgroup.memory=nobpf kernel parameter option to disable BPF memory accounting for container environments. Netfilter: - Remove the CLUSTERIP target. It has been marked as obsolete for years, and we still have WARN splats wrt races of the out-of-band /proc interface installed by this target. - Add 'destroy' commands to nf_tables. They are identical to the existing 'delete' commands, but do not return an error if the referenced object (set, chain, rule...) did not exist. Driver API: - Improve cpumask_local_spread() locality to help NICs set the right IRQ affinity on AMD platforms. - Separate C22 and C45 MDIO bus transactions more clearly. - Introduce new DCB table to control DSCP rewrite on egress. - Support configuration of Physical Layer Collision Avoidance (PLCA) Reconciliation Sublayer (RS) (802.3cg-2019). Modern version of shared medium Ethernet. - Support for MAC Merge layer (IEEE 802.3-2018 clause 99). Allowing preemption of low priority frames by high priority frames. - Add support for controlling MACSec offload using netlink SET. - Rework devlink instance refcounts to allow registration and de-registration under the instance lock. Split the code into multiple files, drop some of the unnecessarily granular locks and factor out common parts of netlink operation handling. - Add TX frame aggregation parameters (for USB drivers). - Add a new attr TCA_EXT_WARN_MSG to report TC (offload) warning messages with notifications for debug. - Allow offloading of UDP NEW connections via act_ct. - Add support for per action HW stats in TC. - Support hardware miss to TC action (continue processing in SW from a specific point in the action chain). - Warn if old Wireless Extension user space interface is used with modern cfg80211/mac80211 drivers. Do not support Wireless Extensions for Wi-Fi 7 devices at all. Everyone should switch to using nl80211 interface instead. - Improve the CAN bit timing configuration. Use extack to return error messages directly to user space, update the SJW handling, including the definition of a new default value that will benefit CAN-FD controllers, by increasing their oscillator tolerance. New hardware / drivers: - Ethernet: - nVidia BlueField-3 support (control traffic driver) - Ethernet support for imx93 SoCs - Motorcomm yt8531 gigabit Ethernet PHY - onsemi NCN26000 10BASE-T1S PHY (with support for PLCA) - Microchip LAN8841 PHY (incl. cable diagnostics and PTP) - Amlogic gxl MDIO mux - WiFi: - RealTek RTL8188EU (rtl8xxxu) - Qualcomm Wi-Fi 7 devices (ath12k) - CAN: - Renesas R-Car V4H Drivers: - Bluetooth: - Set Per Platform Antenna Gain (PPAG) for Intel controllers. - Ethernet NICs: - Intel (1G, igc): - support TSN / Qbv / packet scheduling features of i226 model - Intel (100G, ice): - use GNSS subsystem instead of TTY - multi-buffer XDP support - extend support for GPIO pins to E823 devices - nVidia/Mellanox: - update the shared buffer configuration on PFC commands - implement PTP adjphase function for HW offset control - TC support for Geneve and GRE with VF tunnel offload - more efficient crypto key management method - multi-port eswitch support - Netronome/Corigine: - add DCB IEEE support - support IPsec offloading for NFP3800 - Freescale/NXP (enetc): - support XDP_REDIRECT for XDP non-linear buffers - improve reconfig, avoid link flap and waiting for idle - support MAC Merge layer - Other NICs: - sfc/ef100: add basic devlink support for ef100 - ionic: rx_push mode operation (writing descriptors via MMIO) - bnxt: use the auxiliary bus abstraction for RDMA - r8169: disable ASPM and reset bus in case of tx timeout - cpsw: support QSGMII mode for J721e CPSW9G - cpts: support pulse-per-second output - ngbe: add an mdio bus driver - usbnet: optimize usbnet_bh() by avoiding unnecessary queuing - r8152: handle devices with FW with NCM support - amd-xgbe: support 10Mbps, 2.5GbE speeds and rx-adaptation - virtio-net: support multi buffer XDP - virtio/vsock: replace virtio_vsock_pkt with sk_buff - tsnep: XDP support - Ethernet high-speed switches: - nVidia/Mellanox (mlxsw): - add support for latency TLV (in FW control messages) - Microchip (sparx5): - separate explicit and implicit traffic forwarding rules, make the implicit rules always active - add support for egress DSCP rewrite - IS0 VCAP support (Ingress Classification) - IS2 VCAP filters (protos, L3 addrs, L4 ports, flags, ToS etc.) - ES2 VCAP support (Egress Access Control) - support for Per-Stream Filtering and Policing (802.1Q, 8.6.5.1) - Ethernet embedded switches: - Marvell (mv88e6xxx): - add MAB (port auth) offload support - enable PTP receive for mv88e6390 - NXP (ocelot): - support MAC Merge layer - support for the the vsc7512 internal copper phys - Microchip: - lan9303: convert to PHYLINK - lan966x: support TC flower filter statistics - lan937x: PTP support for KSZ9563/KSZ8563 and LAN937x - lan937x: support Credit Based Shaper configuration - ksz9477: support Energy Efficient Ethernet - other: - qca8k: convert to regmap read/write API, use bulk operations - rswitch: Improve TX timestamp accuracy - Intel WiFi (iwlwifi): - EHT (Wi-Fi 7) rate reporting - STEP equalizer support: transfer some STEP (connection to radio on platforms with integrated wifi) related parameters from the BIOS to the firmware. - Qualcomm 802.11ax WiFi (ath11k): - IPQ5018 support - Fine Timing Measurement (FTM) responder role support - channel 177 support - MediaTek WiFi (mt76): - per-PHY LED support - mt7996: EHT (Wi-Fi 7) support - Wireless Ethernet Dispatch (WED) reset support - switch to using page pool allocator - RealTek WiFi (rtw89): - support new version of Bluetooth co-existance - Mobile: - rmnet: support TX aggregation" * tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1872 commits) page_pool: add a comment explaining the fragment counter usage net: ethtool: fix __ethtool_dev_mm_supported() implementation ethtool: pse-pd: Fix double word in comments xsk: add linux/vmalloc.h to xsk.c sefltests: netdevsim: wait for devlink instance after netns removal selftest: fib_tests: Always cleanup before exit net/mlx5e: Align IPsec ASO result memory to be as required by hardware net/mlx5e: TC, Set CT miss to the specific ct action instance net/mlx5e: Rename CHAIN_TO_REG to MAPPED_OBJ_TO_REG net/mlx5: Refactor tc miss handling to a single function net/mlx5: Kconfig: Make tc offload depend on tc skb extension net/sched: flower: Support hardware miss to tc action net/sched: flower: Move filter handle initialization earlier net/sched: cls_api: Support hardware miss to tc action net/sched: Rename user cookie and act cookie sfc: fix builds without CONFIG_RTC_LIB sfc: clean up some inconsistent indentings net/mlx4_en: Introduce flexible array to silence overflow warning net: lan966x: Fix possible deadlock inside PTP net/ulp: Remove redundant ->clone() test in inet_clone_ulp(). ...
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/kfunc_dynptr_param.c')
-rw-r--r--tools/testing/selftests/bpf/prog_tests/kfunc_dynptr_param.c72
1 files changed, 15 insertions, 57 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/kfunc_dynptr_param.c b/tools/testing/selftests/bpf/prog_tests/kfunc_dynptr_param.c
index a9229260a6ce..8cd298b78e44 100644
--- a/tools/testing/selftests/bpf/prog_tests/kfunc_dynptr_param.c
+++ b/tools/testing/selftests/bpf/prog_tests/kfunc_dynptr_param.c
@@ -10,17 +10,11 @@
#include <test_progs.h>
#include "test_kfunc_dynptr_param.skel.h"
-static size_t log_buf_sz = 1048576; /* 1 MB */
-static char obj_log_buf[1048576];
-
static struct {
const char *prog_name;
- const char *expected_verifier_err_msg;
int expected_runtime_err;
} kfunc_dynptr_tests[] = {
- {"not_valid_dynptr", "Expected an initialized dynptr as arg #1", 0},
- {"not_ptr_to_stack", "arg#0 expected pointer to stack or dynptr_ptr", 0},
- {"dynptr_data_null", NULL, -EBADMSG},
+ {"dynptr_data_null", -EBADMSG},
};
static bool kfunc_not_supported;
@@ -38,29 +32,15 @@ static int libbpf_print_cb(enum libbpf_print_level level, const char *fmt,
return 0;
}
-static void verify_fail(const char *prog_name, const char *expected_err_msg)
+static bool has_pkcs7_kfunc_support(void)
{
struct test_kfunc_dynptr_param *skel;
- LIBBPF_OPTS(bpf_object_open_opts, opts);
libbpf_print_fn_t old_print_cb;
- struct bpf_program *prog;
int err;
- opts.kernel_log_buf = obj_log_buf;
- opts.kernel_log_size = log_buf_sz;
- opts.kernel_log_level = 1;
-
- skel = test_kfunc_dynptr_param__open_opts(&opts);
- if (!ASSERT_OK_PTR(skel, "test_kfunc_dynptr_param__open_opts"))
- goto cleanup;
-
- prog = bpf_object__find_program_by_name(skel->obj, prog_name);
- if (!ASSERT_OK_PTR(prog, "bpf_object__find_program_by_name"))
- goto cleanup;
-
- bpf_program__set_autoload(prog, true);
-
- bpf_map__set_max_entries(skel->maps.ringbuf, getpagesize());
+ skel = test_kfunc_dynptr_param__open();
+ if (!ASSERT_OK_PTR(skel, "test_kfunc_dynptr_param__open"))
+ return false;
kfunc_not_supported = false;
@@ -72,26 +52,18 @@ static void verify_fail(const char *prog_name, const char *expected_err_msg)
fprintf(stderr,
"%s:SKIP:bpf_verify_pkcs7_signature() kfunc not supported\n",
__func__);
- test__skip();
- goto cleanup;
- }
-
- if (!ASSERT_ERR(err, "unexpected load success"))
- goto cleanup;
-
- if (!ASSERT_OK_PTR(strstr(obj_log_buf, expected_err_msg), "expected_err_msg")) {
- fprintf(stderr, "Expected err_msg: %s\n", expected_err_msg);
- fprintf(stderr, "Verifier output: %s\n", obj_log_buf);
+ test_kfunc_dynptr_param__destroy(skel);
+ return false;
}
-cleanup:
test_kfunc_dynptr_param__destroy(skel);
+
+ return true;
}
static void verify_success(const char *prog_name, int expected_runtime_err)
{
struct test_kfunc_dynptr_param *skel;
- libbpf_print_fn_t old_print_cb;
struct bpf_program *prog;
struct bpf_link *link;
__u32 next_id;
@@ -103,21 +75,7 @@ static void verify_success(const char *prog_name, int expected_runtime_err)
skel->bss->pid = getpid();
- bpf_map__set_max_entries(skel->maps.ringbuf, getpagesize());
-
- kfunc_not_supported = false;
-
- old_print_cb = libbpf_set_print(libbpf_print_cb);
err = test_kfunc_dynptr_param__load(skel);
- libbpf_set_print(old_print_cb);
-
- if (err < 0 && kfunc_not_supported) {
- fprintf(stderr,
- "%s:SKIP:bpf_verify_pkcs7_signature() kfunc not supported\n",
- __func__);
- test__skip();
- goto cleanup;
- }
if (!ASSERT_OK(err, "test_kfunc_dynptr_param__load"))
goto cleanup;
@@ -147,15 +105,15 @@ void test_kfunc_dynptr_param(void)
{
int i;
+ if (!has_pkcs7_kfunc_support())
+ return;
+
for (i = 0; i < ARRAY_SIZE(kfunc_dynptr_tests); i++) {
if (!test__start_subtest(kfunc_dynptr_tests[i].prog_name))
continue;
- if (kfunc_dynptr_tests[i].expected_verifier_err_msg)
- verify_fail(kfunc_dynptr_tests[i].prog_name,
- kfunc_dynptr_tests[i].expected_verifier_err_msg);
- else
- verify_success(kfunc_dynptr_tests[i].prog_name,
- kfunc_dynptr_tests[i].expected_runtime_err);
+ verify_success(kfunc_dynptr_tests[i].prog_name,
+ kfunc_dynptr_tests[i].expected_runtime_err);
}
+ RUN_TESTS(test_kfunc_dynptr_param);
}