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-rw-r--r--samples/bpf/Makefile24
-rw-r--r--samples/bpf/gnu/stubs.h1
-rw-r--r--samples/bpf/lwt_len_hist.bpf.c (renamed from samples/bpf/lwt_len_hist_kern.c)29
-rwxr-xr-xsamples/bpf/lwt_len_hist.sh4
-rw-r--r--samples/bpf/map_perf_test.bpf.c (renamed from samples/bpf/map_perf_test_kern.c)48
-rw-r--r--samples/bpf/map_perf_test_user.c2
-rw-r--r--samples/bpf/net_shared.h32
-rw-r--r--samples/bpf/sock_flags.bpf.c (renamed from samples/bpf/sock_flags_kern.c)24
-rw-r--r--samples/bpf/syscall_tp_kern.c14
-rwxr-xr-xsamples/bpf/tc_l2_redirect.sh3
-rwxr-xr-xsamples/bpf/test_cgrp2_sock.sh16
-rwxr-xr-xsamples/bpf/test_cgrp2_sock2.sh9
-rw-r--r--samples/bpf/test_cgrp2_tc.bpf.c (renamed from samples/bpf/test_cgrp2_tc_kern.c)34
-rwxr-xr-xsamples/bpf/test_cgrp2_tc.sh8
-rw-r--r--samples/bpf/test_current_task_under_cgroup.bpf.c (renamed from samples/bpf/test_current_task_under_cgroup_kern.c)11
-rw-r--r--samples/bpf/test_current_task_under_cgroup_user.c8
-rw-r--r--samples/bpf/test_lru_dist.c5
-rw-r--r--samples/bpf/test_lwt_bpf.c50
-rwxr-xr-xsamples/bpf/test_lwt_bpf.sh19
-rw-r--r--samples/bpf/test_map_in_map.bpf.c (renamed from samples/bpf/test_map_in_map_kern.c)8
-rw-r--r--samples/bpf/test_map_in_map_user.c4
-rw-r--r--samples/bpf/test_overhead_kprobe.bpf.c (renamed from samples/bpf/test_overhead_kprobe_kern.c)6
-rw-r--r--samples/bpf/test_overhead_raw_tp.bpf.c (renamed from samples/bpf/test_overhead_raw_tp_kern.c)4
-rw-r--r--samples/bpf/test_overhead_tp.bpf.c (renamed from samples/bpf/test_overhead_tp_kern.c)29
-rw-r--r--samples/bpf/test_overhead_user.c34
-rw-r--r--samples/bpf/test_probe_write_user.bpf.c (renamed from samples/bpf/test_probe_write_user_kern.c)20
-rw-r--r--samples/bpf/test_probe_write_user_user.c2
-rw-r--r--samples/bpf/trace_common.h13
-rw-r--r--samples/bpf/trace_output.bpf.c (renamed from samples/bpf/trace_output_kern.c)6
-rw-r--r--samples/bpf/trace_output_user.c2
-rw-r--r--samples/bpf/tracex2.bpf.c (renamed from samples/bpf/tracex2_kern.c)13
-rw-r--r--samples/bpf/tracex2_user.c2
-rw-r--r--samples/bpf/tracex4_user.c4
-rw-r--r--samples/bpf/xdp1_user.c2
-rw-r--r--samples/bpf/xdp_adjust_tail_user.c2
-rw-r--r--samples/bpf/xdp_fwd_user.c4
-rw-r--r--samples/bpf/xdp_redirect_cpu_user.c4
-rw-r--r--samples/bpf/xdp_rxq_info_user.c2
-rw-r--r--samples/bpf/xdp_sample.bpf.h22
-rw-r--r--samples/bpf/xdp_sample_pkts_user.c2
-rw-r--r--samples/bpf/xdp_tx_iptunnel_user.c2
41 files changed, 261 insertions, 267 deletions
diff --git a/samples/bpf/Makefile b/samples/bpf/Makefile
index 727da3c5879b..615f24ebc49c 100644
--- a/samples/bpf/Makefile
+++ b/samples/bpf/Makefile
@@ -125,34 +125,34 @@ always-y += sockex1_kern.o
always-y += sockex2_kern.o
always-y += sockex3_kern.o
always-y += tracex1_kern.o
-always-y += tracex2_kern.o
+always-y += tracex2.bpf.o
always-y += tracex3_kern.o
always-y += tracex4_kern.o
always-y += tracex5_kern.o
always-y += tracex6_kern.o
always-y += tracex7_kern.o
-always-y += sock_flags_kern.o
-always-y += test_probe_write_user_kern.o
-always-y += trace_output_kern.o
+always-y += sock_flags.bpf.o
+always-y += test_probe_write_user.bpf.o
+always-y += trace_output.bpf.o
always-y += tcbpf1_kern.o
always-y += tc_l2_redirect_kern.o
always-y += lathist_kern.o
always-y += offwaketime_kern.o
always-y += spintest_kern.o
-always-y += map_perf_test_kern.o
-always-y += test_overhead_tp_kern.o
-always-y += test_overhead_raw_tp_kern.o
-always-y += test_overhead_kprobe_kern.o
+always-y += map_perf_test.bpf.o
+always-y += test_overhead_tp.bpf.o
+always-y += test_overhead_raw_tp.bpf.o
+always-y += test_overhead_kprobe.bpf.o
always-y += parse_varlen.o parse_simple.o parse_ldabs.o
-always-y += test_cgrp2_tc_kern.o
+always-y += test_cgrp2_tc.bpf.o
always-y += xdp1_kern.o
always-y += xdp2_kern.o
-always-y += test_current_task_under_cgroup_kern.o
+always-y += test_current_task_under_cgroup.bpf.o
always-y += trace_event_kern.o
always-y += sampleip_kern.o
-always-y += lwt_len_hist_kern.o
+always-y += lwt_len_hist.bpf.o
always-y += xdp_tx_iptunnel_kern.o
-always-y += test_map_in_map_kern.o
+always-y += test_map_in_map.bpf.o
always-y += tcp_synrto_kern.o
always-y += tcp_rwnd_kern.o
always-y += tcp_bufs_kern.o
diff --git a/samples/bpf/gnu/stubs.h b/samples/bpf/gnu/stubs.h
new file mode 100644
index 000000000000..719225b16626
--- /dev/null
+++ b/samples/bpf/gnu/stubs.h
@@ -0,0 +1 @@
+/* dummy .h to trick /usr/include/features.h to work with 'clang -target bpf' */
diff --git a/samples/bpf/lwt_len_hist_kern.c b/samples/bpf/lwt_len_hist.bpf.c
index 1fa14c54963a..dbab80e813fe 100644
--- a/samples/bpf/lwt_len_hist_kern.c
+++ b/samples/bpf/lwt_len_hist.bpf.c
@@ -10,29 +10,16 @@
* General Public License for more details.
*/
-#include <uapi/linux/bpf.h>
-#include <uapi/linux/if_ether.h>
-#include <uapi/linux/ip.h>
-#include <uapi/linux/in.h>
+#include "vmlinux.h"
#include <bpf/bpf_helpers.h>
-struct bpf_elf_map {
- __u32 type;
- __u32 size_key;
- __u32 size_value;
- __u32 max_elem;
- __u32 flags;
- __u32 id;
- __u32 pinning;
-};
-
-struct bpf_elf_map SEC("maps") lwt_len_hist_map = {
- .type = BPF_MAP_TYPE_PERCPU_HASH,
- .size_key = sizeof(__u64),
- .size_value = sizeof(__u64),
- .pinning = 2,
- .max_elem = 1024,
-};
+struct {
+ __uint(type, BPF_MAP_TYPE_PERCPU_HASH);
+ __type(key, u64);
+ __type(value, u64);
+ __uint(pinning, LIBBPF_PIN_BY_NAME);
+ __uint(max_entries, 1024);
+} lwt_len_hist_map SEC(".maps");
static unsigned int log2(unsigned int v)
{
diff --git a/samples/bpf/lwt_len_hist.sh b/samples/bpf/lwt_len_hist.sh
index 0eda9754f50b..7078bfcc4f4d 100755
--- a/samples/bpf/lwt_len_hist.sh
+++ b/samples/bpf/lwt_len_hist.sh
@@ -4,7 +4,7 @@
NS1=lwt_ns1
VETH0=tst_lwt1a
VETH1=tst_lwt1b
-
+BPF_PROG=lwt_len_hist.bpf.o
TRACE_ROOT=/sys/kernel/debug/tracing
function cleanup {
@@ -30,7 +30,7 @@ ip netns exec $NS1 netserver
echo 1 > ${TRACE_ROOT}/tracing_on
cp /dev/null ${TRACE_ROOT}/trace
-ip route add 192.168.253.2/32 encap bpf out obj lwt_len_hist_kern.o section len_hist dev $VETH0
+ip route add 192.168.253.2/32 encap bpf out obj $BPF_PROG section len_hist dev $VETH0
netperf -H 192.168.253.2 -t TCP_STREAM
cat ${TRACE_ROOT}/trace | grep -v '^#'
./lwt_len_hist
diff --git a/samples/bpf/map_perf_test_kern.c b/samples/bpf/map_perf_test.bpf.c
index 7342c5b2f278..3cdeba2afe12 100644
--- a/samples/bpf/map_perf_test_kern.c
+++ b/samples/bpf/map_perf_test.bpf.c
@@ -4,14 +4,12 @@
* modify it under the terms of version 2 of the GNU General Public
* License as published by the Free Software Foundation.
*/
-#include <linux/skbuff.h>
-#include <linux/netdevice.h>
+#include "vmlinux.h"
+#include <errno.h>
#include <linux/version.h>
-#include <uapi/linux/bpf.h>
#include <bpf/bpf_helpers.h>
#include <bpf/bpf_tracing.h>
#include <bpf/bpf_core_read.h>
-#include "trace_common.h"
#define MAX_ENTRIES 1000
#define MAX_NR_CPUS 1024
@@ -102,8 +100,8 @@ struct {
__uint(max_entries, MAX_ENTRIES);
} lru_hash_lookup_map SEC(".maps");
-SEC("kprobe/" SYSCALL(sys_getuid))
-int stress_hmap(struct pt_regs *ctx)
+SEC("ksyscall/getuid")
+int BPF_KSYSCALL(stress_hmap)
{
u32 key = bpf_get_current_pid_tgid();
long init_val = 1;
@@ -120,8 +118,8 @@ int stress_hmap(struct pt_regs *ctx)
return 0;
}
-SEC("kprobe/" SYSCALL(sys_geteuid))
-int stress_percpu_hmap(struct pt_regs *ctx)
+SEC("ksyscall/geteuid")
+int BPF_KSYSCALL(stress_percpu_hmap)
{
u32 key = bpf_get_current_pid_tgid();
long init_val = 1;
@@ -137,8 +135,8 @@ int stress_percpu_hmap(struct pt_regs *ctx)
return 0;
}
-SEC("kprobe/" SYSCALL(sys_getgid))
-int stress_hmap_alloc(struct pt_regs *ctx)
+SEC("ksyscall/getgid")
+int BPF_KSYSCALL(stress_hmap_alloc)
{
u32 key = bpf_get_current_pid_tgid();
long init_val = 1;
@@ -154,8 +152,8 @@ int stress_hmap_alloc(struct pt_regs *ctx)
return 0;
}
-SEC("kprobe/" SYSCALL(sys_getegid))
-int stress_percpu_hmap_alloc(struct pt_regs *ctx)
+SEC("ksyscall/getegid")
+int BPF_KSYSCALL(stress_percpu_hmap_alloc)
{
u32 key = bpf_get_current_pid_tgid();
long init_val = 1;
@@ -170,11 +168,10 @@ int stress_percpu_hmap_alloc(struct pt_regs *ctx)
}
return 0;
}
-
-SEC("kprobe/" SYSCALL(sys_connect))
-int stress_lru_hmap_alloc(struct pt_regs *ctx)
+SEC("ksyscall/connect")
+int BPF_KSYSCALL(stress_lru_hmap_alloc, int fd, struct sockaddr_in *uservaddr,
+ int addrlen)
{
- struct pt_regs *real_regs = (struct pt_regs *)PT_REGS_PARM1_CORE(ctx);
char fmt[] = "Failed at stress_lru_hmap_alloc. ret:%dn";
union {
u16 dst6[8];
@@ -187,14 +184,11 @@ int stress_lru_hmap_alloc(struct pt_regs *ctx)
u32 key;
};
} test_params;
- struct sockaddr_in6 *in6;
+ struct sockaddr_in6 *in6 = (struct sockaddr_in6 *)uservaddr;
u16 test_case;
- int addrlen, ret;
long val = 1;
u32 key = 0;
-
- in6 = (struct sockaddr_in6 *)PT_REGS_PARM2_CORE(real_regs);
- addrlen = (int)PT_REGS_PARM3_CORE(real_regs);
+ int ret;
if (addrlen != sizeof(*in6))
return 0;
@@ -251,8 +245,8 @@ done:
return 0;
}
-SEC("kprobe/" SYSCALL(sys_gettid))
-int stress_lpm_trie_map_alloc(struct pt_regs *ctx)
+SEC("ksyscall/gettid")
+int BPF_KSYSCALL(stress_lpm_trie_map_alloc)
{
union {
u32 b32[2];
@@ -273,8 +267,8 @@ int stress_lpm_trie_map_alloc(struct pt_regs *ctx)
return 0;
}
-SEC("kprobe/" SYSCALL(sys_getpgid))
-int stress_hash_map_lookup(struct pt_regs *ctx)
+SEC("ksyscall/getpgid")
+int BPF_KSYSCALL(stress_hash_map_lookup)
{
u32 key = 1, i;
long *value;
@@ -286,8 +280,8 @@ int stress_hash_map_lookup(struct pt_regs *ctx)
return 0;
}
-SEC("kprobe/" SYSCALL(sys_getppid))
-int stress_array_map_lookup(struct pt_regs *ctx)
+SEC("ksyscall/getppid")
+int BPF_KSYSCALL(stress_array_map_lookup)
{
u32 key = 1, i;
long *value;
diff --git a/samples/bpf/map_perf_test_user.c b/samples/bpf/map_perf_test_user.c
index 1bb53f4b29e1..d2fbcf963cdf 100644
--- a/samples/bpf/map_perf_test_user.c
+++ b/samples/bpf/map_perf_test_user.c
@@ -443,7 +443,7 @@ int main(int argc, char **argv)
if (argc > 4)
max_cnt = atoi(argv[4]);
- snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
+ snprintf(filename, sizeof(filename), "%s.bpf.o", argv[0]);
obj = bpf_object__open_file(filename, NULL);
if (libbpf_get_error(obj)) {
fprintf(stderr, "ERROR: opening BPF object file failed\n");
diff --git a/samples/bpf/net_shared.h b/samples/bpf/net_shared.h
new file mode 100644
index 000000000000..e9429af9aa44
--- /dev/null
+++ b/samples/bpf/net_shared.h
@@ -0,0 +1,32 @@
+// SPDX-License-Identifier: GPL-2.0
+#ifndef _NET_SHARED_H
+#define _NET_SHARED_H
+
+#define AF_INET 2
+#define AF_INET6 10
+
+#define ETH_ALEN 6
+#define ETH_P_802_3_MIN 0x0600
+#define ETH_P_8021Q 0x8100
+#define ETH_P_8021AD 0x88A8
+#define ETH_P_IP 0x0800
+#define ETH_P_IPV6 0x86DD
+#define ETH_P_ARP 0x0806
+#define IPPROTO_ICMPV6 58
+
+#define TC_ACT_OK 0
+#define TC_ACT_SHOT 2
+
+#if defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && \
+ __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+#define bpf_ntohs(x) __builtin_bswap16(x)
+#define bpf_htons(x) __builtin_bswap16(x)
+#elif defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && \
+ __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
+#define bpf_ntohs(x) (x)
+#define bpf_htons(x) (x)
+#else
+# error "Endianness detection needs to be set up for your compiler?!"
+#endif
+
+#endif
diff --git a/samples/bpf/sock_flags_kern.c b/samples/bpf/sock_flags.bpf.c
index 6d0ac7569d6f..0da749f6a9e1 100644
--- a/samples/bpf/sock_flags_kern.c
+++ b/samples/bpf/sock_flags.bpf.c
@@ -1,11 +1,9 @@
-#include <uapi/linux/bpf.h>
-#include <linux/socket.h>
-#include <linux/net.h>
-#include <uapi/linux/in.h>
-#include <uapi/linux/in6.h>
+// SPDX-License-Identifier: GPL-2.0
+#include "vmlinux.h"
+#include "net_shared.h"
#include <bpf/bpf_helpers.h>
-SEC("cgroup/sock1")
+SEC("cgroup/sock")
int bpf_prog1(struct bpf_sock *sk)
{
char fmt[] = "socket: family %d type %d protocol %d\n";
@@ -17,29 +15,29 @@ int bpf_prog1(struct bpf_sock *sk)
bpf_trace_printk(fmt, sizeof(fmt), sk->family, sk->type, sk->protocol);
bpf_trace_printk(fmt2, sizeof(fmt2), uid, gid);
- /* block PF_INET6, SOCK_RAW, IPPROTO_ICMPV6 sockets
+ /* block AF_INET6, SOCK_DGRAM, IPPROTO_ICMPV6 sockets
* ie., make ping6 fail
*/
- if (sk->family == PF_INET6 &&
- sk->type == SOCK_RAW &&
+ if (sk->family == AF_INET6 &&
+ sk->type == SOCK_DGRAM &&
sk->protocol == IPPROTO_ICMPV6)
return 0;
return 1;
}
-SEC("cgroup/sock2")
+SEC("cgroup/sock")
int bpf_prog2(struct bpf_sock *sk)
{
char fmt[] = "socket: family %d type %d protocol %d\n";
bpf_trace_printk(fmt, sizeof(fmt), sk->family, sk->type, sk->protocol);
- /* block PF_INET, SOCK_RAW, IPPROTO_ICMP sockets
+ /* block AF_INET, SOCK_DGRAM, IPPROTO_ICMP sockets
* ie., make ping fail
*/
- if (sk->family == PF_INET &&
- sk->type == SOCK_RAW &&
+ if (sk->family == AF_INET &&
+ sk->type == SOCK_DGRAM &&
sk->protocol == IPPROTO_ICMP)
return 0;
diff --git a/samples/bpf/syscall_tp_kern.c b/samples/bpf/syscall_tp_kern.c
index 50231c2eff9c..e7121dd1ee37 100644
--- a/samples/bpf/syscall_tp_kern.c
+++ b/samples/bpf/syscall_tp_kern.c
@@ -58,6 +58,13 @@ int trace_enter_open_at(struct syscalls_enter_open_args *ctx)
return 0;
}
+SEC("tracepoint/syscalls/sys_enter_openat2")
+int trace_enter_open_at2(struct syscalls_enter_open_args *ctx)
+{
+ count(&enter_open_map);
+ return 0;
+}
+
SEC("tracepoint/syscalls/sys_exit_open")
int trace_enter_exit(struct syscalls_exit_open_args *ctx)
{
@@ -71,3 +78,10 @@ int trace_enter_exit_at(struct syscalls_exit_open_args *ctx)
count(&exit_open_map);
return 0;
}
+
+SEC("tracepoint/syscalls/sys_exit_openat2")
+int trace_enter_exit_at2(struct syscalls_exit_open_args *ctx)
+{
+ count(&exit_open_map);
+ return 0;
+}
diff --git a/samples/bpf/tc_l2_redirect.sh b/samples/bpf/tc_l2_redirect.sh
index 37d95ef3c20f..a28a8fc99dbe 100755
--- a/samples/bpf/tc_l2_redirect.sh
+++ b/samples/bpf/tc_l2_redirect.sh
@@ -8,6 +8,7 @@ REDIRECT_USER='./tc_l2_redirect'
REDIRECT_BPF='./tc_l2_redirect_kern.o'
RP_FILTER=$(< /proc/sys/net/ipv4/conf/all/rp_filter)
+IPV6_DISABLED=$(< /proc/sys/net/ipv6/conf/all/disable_ipv6)
IPV6_FORWARDING=$(< /proc/sys/net/ipv6/conf/all/forwarding)
function config_common {
@@ -64,6 +65,7 @@ function config_common {
sysctl -q -w net.ipv4.conf.all.rp_filter=0
sysctl -q -w net.ipv6.conf.all.forwarding=1
+ sysctl -q -w net.ipv6.conf.all.disable_ipv6=0
}
function cleanup {
@@ -77,6 +79,7 @@ function cleanup {
$IP link del ip6t >& /dev/null
sysctl -q -w net.ipv4.conf.all.rp_filter=$RP_FILTER
sysctl -q -w net.ipv6.conf.all.forwarding=$IPV6_FORWARDING
+ sysctl -q -w net.ipv6.conf.all.disable_ipv6=$IPV6_DISABLED
rm -f /sys/fs/bpf/tc/globals/tun_iface
[[ -z $DEBUG ]] || set -x
set -e
diff --git a/samples/bpf/test_cgrp2_sock.sh b/samples/bpf/test_cgrp2_sock.sh
index 9f6174236856..36bd7cb46f06 100755
--- a/samples/bpf/test_cgrp2_sock.sh
+++ b/samples/bpf/test_cgrp2_sock.sh
@@ -3,6 +3,8 @@
# Test various socket options that can be set by attaching programs to cgroups.
+MY_DIR=$(dirname $0)
+TEST=$MY_DIR/test_cgrp2_sock
CGRP_MNT="/tmp/cgroupv2-test_cgrp2_sock"
################################################################################
@@ -19,7 +21,7 @@ print_result()
check_sock()
{
- out=$(test_cgrp2_sock)
+ out=$($TEST)
echo $out | grep -q "$1"
if [ $? -ne 0 ]; then
print_result 1 "IPv4: $2"
@@ -33,7 +35,7 @@ check_sock()
check_sock6()
{
- out=$(test_cgrp2_sock -6)
+ out=$($TEST -6)
echo $out | grep -q "$1"
if [ $? -ne 0 ]; then
print_result 1 "IPv6: $2"
@@ -61,7 +63,7 @@ cleanup_and_exit()
[ -n "$msg" ] && echo "ERROR: $msg"
- test_cgrp2_sock -d ${CGRP_MNT}/sockopts
+ $TEST -d ${CGRP_MNT}/sockopts
ip li del cgrp2_sock
umount ${CGRP_MNT}
@@ -98,7 +100,7 @@ check_sock6 "dev , mark 0, priority 0" "No programs attached"
# verify device is set
#
-test_cgrp2_sock -b cgrp2_sock ${CGRP_MNT}/sockopts
+$TEST -b cgrp2_sock ${CGRP_MNT}/sockopts
if [ $? -ne 0 ]; then
cleanup_and_exit 1 "Failed to install program to set device"
fi
@@ -107,7 +109,7 @@ check_sock6 "dev cgrp2_sock, mark 0, priority 0" "Device set"
# verify mark is set
#
-test_cgrp2_sock -m 666 ${CGRP_MNT}/sockopts
+$TEST -m 666 ${CGRP_MNT}/sockopts
if [ $? -ne 0 ]; then
cleanup_and_exit 1 "Failed to install program to set mark"
fi
@@ -116,7 +118,7 @@ check_sock6 "dev , mark 666, priority 0" "Mark set"
# verify priority is set
#
-test_cgrp2_sock -p 123 ${CGRP_MNT}/sockopts
+$TEST -p 123 ${CGRP_MNT}/sockopts
if [ $? -ne 0 ]; then
cleanup_and_exit 1 "Failed to install program to set priority"
fi
@@ -125,7 +127,7 @@ check_sock6 "dev , mark 0, priority 123" "Priority set"
# all 3 at once
#
-test_cgrp2_sock -b cgrp2_sock -m 666 -p 123 ${CGRP_MNT}/sockopts
+$TEST -b cgrp2_sock -m 666 -p 123 ${CGRP_MNT}/sockopts
if [ $? -ne 0 ]; then
cleanup_and_exit 1 "Failed to install program to set device, mark and priority"
fi
diff --git a/samples/bpf/test_cgrp2_sock2.sh b/samples/bpf/test_cgrp2_sock2.sh
index 6a3dbe642b2b..82acff93d739 100755
--- a/samples/bpf/test_cgrp2_sock2.sh
+++ b/samples/bpf/test_cgrp2_sock2.sh
@@ -2,18 +2,23 @@
# SPDX-License-Identifier: GPL-2.0
BPFFS=/sys/fs/bpf
+MY_DIR=$(dirname $0)
+TEST=$MY_DIR/test_cgrp2_sock2
LINK_PIN=$BPFFS/test_cgrp2_sock2
+BPF_PROG=$MY_DIR/sock_flags.bpf.o
function config_device {
ip netns add at_ns0
ip link add veth0 type veth peer name veth0b
- ip link set veth0b up
ip link set veth0 netns at_ns0
+ ip netns exec at_ns0 sysctl -q net.ipv6.conf.veth0.disable_ipv6=0
ip netns exec at_ns0 ip addr add 172.16.1.100/24 dev veth0
ip netns exec at_ns0 ip addr add 2401:db00::1/64 dev veth0 nodad
ip netns exec at_ns0 ip link set dev veth0 up
+ sysctl -q net.ipv6.conf.veth0b.disable_ipv6=0
ip addr add 172.16.1.101/24 dev veth0b
ip addr add 2401:db00::2/64 dev veth0b nodad
+ ip link set veth0b up
}
function config_cgroup {
@@ -34,7 +39,7 @@ function config_bpffs {
}
function attach_bpf {
- ./test_cgrp2_sock2 /tmp/cgroupv2/foo sock_flags_kern.o $1
+ $TEST /tmp/cgroupv2/foo $BPF_PROG $1
[ $? -ne 0 ] && exit 1
}
diff --git a/samples/bpf/test_cgrp2_tc_kern.c b/samples/bpf/test_cgrp2_tc.bpf.c
index 4dd532a312b9..c7d2291d676f 100644
--- a/samples/bpf/test_cgrp2_tc_kern.c
+++ b/samples/bpf/test_cgrp2_tc.bpf.c
@@ -5,11 +5,8 @@
* License as published by the Free Software Foundation.
*/
#define KBUILD_MODNAME "foo"
-#include <uapi/linux/if_ether.h>
-#include <uapi/linux/in6.h>
-#include <uapi/linux/ipv6.h>
-#include <uapi/linux/pkt_cls.h>
-#include <uapi/linux/bpf.h>
+#include "vmlinux.h"
+#include "net_shared.h"
#include <bpf/bpf_helpers.h>
/* copy of 'struct ethhdr' without __packed */
@@ -19,24 +16,13 @@ struct eth_hdr {
unsigned short h_proto;
};
-#define PIN_GLOBAL_NS 2
-struct bpf_elf_map {
- __u32 type;
- __u32 size_key;
- __u32 size_value;
- __u32 max_elem;
- __u32 flags;
- __u32 id;
- __u32 pinning;
-};
-
-struct bpf_elf_map SEC("maps") test_cgrp2_array_pin = {
- .type = BPF_MAP_TYPE_CGROUP_ARRAY,
- .size_key = sizeof(uint32_t),
- .size_value = sizeof(uint32_t),
- .pinning = PIN_GLOBAL_NS,
- .max_elem = 1,
-};
+struct {
+ __uint(type, BPF_MAP_TYPE_CGROUP_ARRAY);
+ __type(key, u32);
+ __type(value, u32);
+ __uint(pinning, LIBBPF_PIN_BY_NAME);
+ __uint(max_entries, 1);
+} test_cgrp2_array_pin SEC(".maps");
SEC("filter")
int handle_egress(struct __sk_buff *skb)
@@ -53,7 +39,7 @@ int handle_egress(struct __sk_buff *skb)
if (data + sizeof(*eth) + sizeof(*ip6h) > data_end)
return TC_ACT_OK;
- if (eth->h_proto != htons(ETH_P_IPV6) ||
+ if (eth->h_proto != bpf_htons(ETH_P_IPV6) ||
ip6h->nexthdr != IPPROTO_ICMPV6) {
bpf_trace_printk(dont_care_msg, sizeof(dont_care_msg),
eth->h_proto, ip6h->nexthdr);
diff --git a/samples/bpf/test_cgrp2_tc.sh b/samples/bpf/test_cgrp2_tc.sh
index 395573be6ae8..38e8dbc9d16e 100755
--- a/samples/bpf/test_cgrp2_tc.sh
+++ b/samples/bpf/test_cgrp2_tc.sh
@@ -4,7 +4,7 @@
MY_DIR=$(dirname $0)
# Details on the bpf prog
BPF_CGRP2_ARRAY_NAME='test_cgrp2_array_pin'
-BPF_PROG="$MY_DIR/test_cgrp2_tc_kern.o"
+BPF_PROG="$MY_DIR/test_cgrp2_tc.bpf.o"
BPF_SECTION='filter'
[ -z "$TC" ] && TC='tc'
@@ -73,11 +73,13 @@ setup_net() {
start)
$IP link add $HOST_IFC type veth peer name $NS_IFC || return $?
$IP link set dev $HOST_IFC up || return $?
+ sysctl -q net.ipv6.conf.$HOST_IFC.disable_ipv6=0
sysctl -q net.ipv6.conf.$HOST_IFC.accept_dad=0
- $IP netns add ns || return $?
- $IP link set dev $NS_IFC netns ns || return $?
+ $IP netns add $NS || return $?
+ $IP link set dev $NS_IFC netns $NS || return $?
$IP -n $NS link set dev $NS_IFC up || return $?
+ $IP netns exec $NS sysctl -q net.ipv6.conf.$NS_IFC.disable_ipv6=0
$IP netns exec $NS sysctl -q net.ipv6.conf.$NS_IFC.accept_dad=0
$TC qdisc add dev $HOST_IFC clsact || return $?
$TC filter add dev $HOST_IFC egress bpf da obj $BPF_PROG sec $BPF_SECTION || return $?
diff --git a/samples/bpf/test_current_task_under_cgroup_kern.c b/samples/bpf/test_current_task_under_cgroup.bpf.c
index fbd43e2bb4d3..58b9cf7ed659 100644
--- a/samples/bpf/test_current_task_under_cgroup_kern.c
+++ b/samples/bpf/test_current_task_under_cgroup.bpf.c
@@ -5,12 +5,11 @@
* License as published by the Free Software Foundation.
*/
-#include <linux/ptrace.h>
-#include <uapi/linux/bpf.h>
+#include "vmlinux.h"
#include <linux/version.h>
#include <bpf/bpf_helpers.h>
-#include <uapi/linux/utsname.h>
-#include "trace_common.h"
+#include <bpf/bpf_tracing.h>
+#include <bpf/bpf_core_read.h>
struct {
__uint(type, BPF_MAP_TYPE_CGROUP_ARRAY);
@@ -27,8 +26,8 @@ struct {
} perf_map SEC(".maps");
/* Writes the last PID that called sync to a map at index 0 */
-SEC("kprobe/" SYSCALL(sys_sync))
-int bpf_prog1(struct pt_regs *ctx)
+SEC("ksyscall/sync")
+int BPF_KSYSCALL(bpf_prog1)
{
u64 pid = bpf_get_current_pid_tgid();
int idx = 0;
diff --git a/samples/bpf/test_current_task_under_cgroup_user.c b/samples/bpf/test_current_task_under_cgroup_user.c
index ac251a417f45..9726ed2a8a8b 100644
--- a/samples/bpf/test_current_task_under_cgroup_user.c
+++ b/samples/bpf/test_current_task_under_cgroup_user.c
@@ -14,14 +14,14 @@
int main(int argc, char **argv)
{
pid_t remote_pid, local_pid = getpid();
+ int cg2 = -1, idx = 0, rc = 1;
struct bpf_link *link = NULL;
struct bpf_program *prog;
- int cg2, idx = 0, rc = 1;
struct bpf_object *obj;
char filename[256];
int map_fd[2];
- snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
+ snprintf(filename, sizeof(filename), "%s.bpf.o", argv[0]);
obj = bpf_object__open_file(filename, NULL);
if (libbpf_get_error(obj)) {
fprintf(stderr, "ERROR: opening BPF object file failed\n");
@@ -103,7 +103,9 @@ int main(int argc, char **argv)
rc = 0;
err:
- close(cg2);
+ if (cg2 != -1)
+ close(cg2);
+
cleanup_cgroup_environment();
cleanup:
diff --git a/samples/bpf/test_lru_dist.c b/samples/bpf/test_lru_dist.c
index 5efb91763d65..1c161276d57b 100644
--- a/samples/bpf/test_lru_dist.c
+++ b/samples/bpf/test_lru_dist.c
@@ -42,11 +42,6 @@ static inline void INIT_LIST_HEAD(struct list_head *list)
list->prev = list;
}
-static inline int list_empty(const struct list_head *head)
-{
- return head->next == head;
-}
-
static inline void __list_add(struct list_head *new,
struct list_head *prev,
struct list_head *next)
diff --git a/samples/bpf/test_lwt_bpf.c b/samples/bpf/test_lwt_bpf.c
index 1b568575ad11..9a13dbb81847 100644
--- a/samples/bpf/test_lwt_bpf.c
+++ b/samples/bpf/test_lwt_bpf.c
@@ -10,16 +10,8 @@
* General Public License for more details.
*/
-#include <stdint.h>
-#include <stddef.h>
-#include <linux/bpf.h>
-#include <linux/ip.h>
-#include <linux/in.h>
-#include <linux/in6.h>
-#include <linux/tcp.h>
-#include <linux/udp.h>
-#include <linux/icmpv6.h>
-#include <linux/if_ether.h>
+#include "vmlinux.h"
+#include "net_shared.h"
#include <bpf/bpf_helpers.h>
#include <string.h>
@@ -44,9 +36,9 @@ SEC("test_ctx")
int do_test_ctx(struct __sk_buff *skb)
{
skb->cb[0] = CB_MAGIC;
- printk("len %d hash %d protocol %d\n", skb->len, skb->hash,
+ printk("len %d hash %d protocol %d", skb->len, skb->hash,
skb->protocol);
- printk("cb %d ingress_ifindex %d ifindex %d\n", skb->cb[0],
+ printk("cb %d ingress_ifindex %d ifindex %d", skb->cb[0],
skb->ingress_ifindex, skb->ifindex);
return BPF_OK;
@@ -56,9 +48,9 @@ int do_test_ctx(struct __sk_buff *skb)
SEC("test_cb")
int do_test_cb(struct __sk_buff *skb)
{
- printk("cb0: %x cb1: %x cb2: %x\n", skb->cb[0], skb->cb[1],
+ printk("cb0: %x cb1: %x cb2: %x", skb->cb[0], skb->cb[1],
skb->cb[2]);
- printk("cb3: %x cb4: %x\n", skb->cb[3], skb->cb[4]);
+ printk("cb3: %x cb4: %x", skb->cb[3], skb->cb[4]);
return BPF_OK;
}
@@ -72,11 +64,11 @@ int do_test_data(struct __sk_buff *skb)
struct iphdr *iph = data;
if (data + sizeof(*iph) > data_end) {
- printk("packet truncated\n");
+ printk("packet truncated");
return BPF_DROP;
}
- printk("src: %x dst: %x\n", iph->saddr, iph->daddr);
+ printk("src: %x dst: %x", iph->saddr, iph->daddr);
return BPF_OK;
}
@@ -97,7 +89,7 @@ static inline int rewrite(struct __sk_buff *skb, uint32_t old_ip,
ret = bpf_skb_load_bytes(skb, IP_PROTO_OFF, &proto, 1);
if (ret < 0) {
- printk("bpf_l4_csum_replace failed: %d\n", ret);
+ printk("bpf_l4_csum_replace failed: %d", ret);
return BPF_DROP;
}
@@ -120,14 +112,14 @@ static inline int rewrite(struct __sk_buff *skb, uint32_t old_ip,
ret = bpf_l4_csum_replace(skb, off, old_ip, new_ip,
flags | sizeof(new_ip));
if (ret < 0) {
- printk("bpf_l4_csum_replace failed: %d\n");
+ printk("bpf_l4_csum_replace failed: %d");
return BPF_DROP;
}
}
ret = bpf_l3_csum_replace(skb, IP_CSUM_OFF, old_ip, new_ip, sizeof(new_ip));
if (ret < 0) {
- printk("bpf_l3_csum_replace failed: %d\n", ret);
+ printk("bpf_l3_csum_replace failed: %d", ret);
return BPF_DROP;
}
@@ -137,7 +129,7 @@ static inline int rewrite(struct __sk_buff *skb, uint32_t old_ip,
ret = bpf_skb_store_bytes(skb, IP_SRC_OFF, &new_ip, sizeof(new_ip), 0);
if (ret < 0) {
- printk("bpf_skb_store_bytes() failed: %d\n", ret);
+ printk("bpf_skb_store_bytes() failed: %d", ret);
return BPF_DROP;
}
@@ -153,12 +145,12 @@ int do_test_rewrite(struct __sk_buff *skb)
ret = bpf_skb_load_bytes(skb, IP_DST_OFF, &old_ip, 4);
if (ret < 0) {
- printk("bpf_skb_load_bytes failed: %d\n", ret);
+ printk("bpf_skb_load_bytes failed: %d", ret);
return BPF_DROP;
}
if (old_ip == 0x2fea8c0) {
- printk("out: rewriting from %x to %x\n", old_ip, new_ip);
+ printk("out: rewriting from %x to %x", old_ip, new_ip);
return rewrite(skb, old_ip, new_ip, 1);
}
@@ -173,16 +165,16 @@ static inline int __do_push_ll_and_redirect(struct __sk_buff *skb)
ret = bpf_skb_change_head(skb, 14, 0);
if (ret < 0) {
- printk("skb_change_head() failed: %d\n", ret);
+ printk("skb_change_head() failed: %d", ret);
}
- ehdr.h_proto = __constant_htons(ETH_P_IP);
+ ehdr.h_proto = bpf_htons(ETH_P_IP);
memcpy(&ehdr.h_source, &smac, 6);
memcpy(&ehdr.h_dest, &dmac, 6);
ret = bpf_skb_store_bytes(skb, 0, &ehdr, sizeof(ehdr), 0);
if (ret < 0) {
- printk("skb_store_bytes() failed: %d\n", ret);
+ printk("skb_store_bytes() failed: %d", ret);
return BPF_DROP;
}
@@ -202,7 +194,7 @@ int do_push_ll_and_redirect(struct __sk_buff *skb)
ret = __do_push_ll_and_redirect(skb);
if (ret >= 0)
- printk("redirected to %d\n", ifindex);
+ printk("redirected to %d", ifindex);
return ret;
}
@@ -229,7 +221,7 @@ SEC("fill_garbage")
int do_fill_garbage(struct __sk_buff *skb)
{
__fill_garbage(skb);
- printk("Set initial 96 bytes of header to FF\n");
+ printk("Set initial 96 bytes of header to FF");
return BPF_OK;
}
@@ -238,7 +230,7 @@ int do_fill_garbage_and_redirect(struct __sk_buff *skb)
{
int ifindex = DST_IFINDEX;
__fill_garbage(skb);
- printk("redirected to %d\n", ifindex);
+ printk("redirected to %d", ifindex);
return bpf_redirect(ifindex, 0);
}
@@ -246,7 +238,7 @@ int do_fill_garbage_and_redirect(struct __sk_buff *skb)
SEC("drop_all")
int do_drop_all(struct __sk_buff *skb)
{
- printk("dropping with: %d\n", BPF_DROP);
+ printk("dropping with: %d", BPF_DROP);
return BPF_DROP;
}
diff --git a/samples/bpf/test_lwt_bpf.sh b/samples/bpf/test_lwt_bpf.sh
index 65a976058dd3..2e9f5126963b 100755
--- a/samples/bpf/test_lwt_bpf.sh
+++ b/samples/bpf/test_lwt_bpf.sh
@@ -19,7 +19,10 @@ IPVETH3="192.168.111.2"
IP_LOCAL="192.168.99.1"
+PROG_SRC="test_lwt_bpf.c"
+BPF_PROG="test_lwt_bpf.o"
TRACE_ROOT=/sys/kernel/debug/tracing
+CONTEXT_INFO=$(cat ${TRACE_ROOT}/trace_options | grep context)
function lookup_mac()
{
@@ -36,7 +39,7 @@ function lookup_mac()
function cleanup {
set +ex
- rm test_lwt_bpf.o 2> /dev/null
+ rm $BPF_PROG 2> /dev/null
ip link del $VETH0 2> /dev/null
ip link del $VETH1 2> /dev/null
ip link del $VETH2 2> /dev/null
@@ -76,7 +79,7 @@ function install_test {
cleanup_routes
cp /dev/null ${TRACE_ROOT}/trace
- OPTS="encap bpf headroom 14 $1 obj test_lwt_bpf.o section $2 $VERBOSE"
+ OPTS="encap bpf headroom 14 $1 obj $BPF_PROG section $2 $VERBOSE"
if [ "$1" == "in" ]; then
ip route add table local local ${IP_LOCAL}/32 $OPTS dev lo
@@ -96,7 +99,7 @@ function remove_prog {
function filter_trace {
# Add newline to allow starting EXPECT= variables on newline
NL=$'\n'
- echo "${NL}$*" | sed -e 's/^.*: : //g'
+ echo "${NL}$*" | sed -e 's/bpf_trace_printk: //g'
}
function expect_fail {
@@ -160,11 +163,11 @@ function test_ctx_out {
failure "test_ctx out: packets are dropped"
}
match_trace "$(get_trace)" "
-len 84 hash 0 protocol 0
+len 84 hash 0 protocol 8
cb 1234 ingress_ifindex 0 ifindex 0
-len 84 hash 0 protocol 0
+len 84 hash 0 protocol 8
cb 1234 ingress_ifindex 0 ifindex 0
-len 84 hash 0 protocol 0
+len 84 hash 0 protocol 8
cb 1234 ingress_ifindex 0 ifindex 0" || exit 1
remove_prog out
}
@@ -367,6 +370,7 @@ setup_one_veth $NS1 $VETH0 $VETH1 $IPVETH0 $IPVETH1 $IPVETH1b
setup_one_veth $NS2 $VETH2 $VETH3 $IPVETH2 $IPVETH3
ip netns exec $NS1 netserver
echo 1 > ${TRACE_ROOT}/tracing_on
+echo nocontext-info > ${TRACE_ROOT}/trace_options
DST_MAC=$(lookup_mac $VETH1 $NS1)
SRC_MAC=$(lookup_mac $VETH0)
@@ -374,7 +378,7 @@ DST_IFINDEX=$(cat /sys/class/net/$VETH0/ifindex)
CLANG_OPTS="-O2 -target bpf -I ../include/"
CLANG_OPTS+=" -DSRC_MAC=$SRC_MAC -DDST_MAC=$DST_MAC -DDST_IFINDEX=$DST_IFINDEX"
-clang $CLANG_OPTS -c test_lwt_bpf.c -o test_lwt_bpf.o
+clang $CLANG_OPTS -c $PROG_SRC -o $BPF_PROG
test_ctx_xmit
test_ctx_out
@@ -397,4 +401,5 @@ test_netperf_redirect
cleanup
echo 0 > ${TRACE_ROOT}/tracing_on
+echo $CONTEXT_INFO > ${TRACE_ROOT}/trace_options
exit 0
diff --git a/samples/bpf/test_map_in_map_kern.c b/samples/bpf/test_map_in_map.bpf.c
index b0200c8eac09..1883559e5977 100644
--- a/samples/bpf/test_map_in_map_kern.c
+++ b/samples/bpf/test_map_in_map.bpf.c
@@ -6,17 +6,17 @@
* License as published by the Free Software Foundation.
*/
#define KBUILD_MODNAME "foo"
-#include <linux/ptrace.h>
+#include "vmlinux.h"
#include <linux/version.h>
-#include <uapi/linux/bpf.h>
-#include <uapi/linux/in6.h>
#include <bpf/bpf_helpers.h>
#include <bpf/bpf_tracing.h>
#include <bpf/bpf_core_read.h>
-#include "trace_common.h"
#define MAX_NR_PORTS 65536
+#define EINVAL 22
+#define ENOENT 2
+
/* map #0 */
struct inner_a {
__uint(type, BPF_MAP_TYPE_ARRAY);
diff --git a/samples/bpf/test_map_in_map_user.c b/samples/bpf/test_map_in_map_user.c
index 652ec720533d..55dca43f3723 100644
--- a/samples/bpf/test_map_in_map_user.c
+++ b/samples/bpf/test_map_in_map_user.c
@@ -38,7 +38,7 @@ static void check_map_id(int inner_map_fd, int map_in_map_fd, uint32_t key)
uint32_t info_len = sizeof(info);
int ret, id;
- ret = bpf_obj_get_info_by_fd(inner_map_fd, &info, &info_len);
+ ret = bpf_map_get_info_by_fd(inner_map_fd, &info, &info_len);
assert(!ret);
ret = bpf_map_lookup_elem(map_in_map_fd, &key, &id);
@@ -120,7 +120,7 @@ int main(int argc, char **argv)
struct bpf_object *obj;
char filename[256];
- snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
+ snprintf(filename, sizeof(filename), "%s.bpf.o", argv[0]);
obj = bpf_object__open_file(filename, NULL);
if (libbpf_get_error(obj)) {
fprintf(stderr, "ERROR: opening BPF object file failed\n");
diff --git a/samples/bpf/test_overhead_kprobe_kern.c b/samples/bpf/test_overhead_kprobe.bpf.c
index 8fdd2c9c56b2..c3528731e0e1 100644
--- a/samples/bpf/test_overhead_kprobe_kern.c
+++ b/samples/bpf/test_overhead_kprobe.bpf.c
@@ -4,10 +4,8 @@
* modify it under the terms of version 2 of the GNU General Public
* License as published by the Free Software Foundation.
*/
+#include "vmlinux.h"
#include <linux/version.h>
-#include <linux/ptrace.h>
-#include <linux/sched.h>
-#include <uapi/linux/bpf.h>
#include <bpf/bpf_helpers.h>
#include <bpf/bpf_tracing.h>
@@ -39,7 +37,7 @@ int prog(struct pt_regs *ctx)
return 0;
}
-SEC("kprobe/urandom_read")
+SEC("kprobe/fib_table_lookup")
int prog2(struct pt_regs *ctx)
{
return 0;
diff --git a/samples/bpf/test_overhead_raw_tp_kern.c b/samples/bpf/test_overhead_raw_tp.bpf.c
index 8763181a32f3..6af39fe3f8dd 100644
--- a/samples/bpf/test_overhead_raw_tp_kern.c
+++ b/samples/bpf/test_overhead_raw_tp.bpf.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2018 Facebook */
-#include <uapi/linux/bpf.h>
+#include "vmlinux.h"
#include <bpf/bpf_helpers.h>
SEC("raw_tracepoint/task_rename")
@@ -9,7 +9,7 @@ int prog(struct bpf_raw_tracepoint_args *ctx)
return 0;
}
-SEC("raw_tracepoint/urandom_read")
+SEC("raw_tracepoint/fib_table_lookup")
int prog2(struct bpf_raw_tracepoint_args *ctx)
{
return 0;
diff --git a/samples/bpf/test_overhead_tp_kern.c b/samples/bpf/test_overhead_tp.bpf.c
index 80edadacb692..67cab3881969 100644
--- a/samples/bpf/test_overhead_tp_kern.c
+++ b/samples/bpf/test_overhead_tp.bpf.c
@@ -4,8 +4,7 @@
* modify it under the terms of version 2 of the GNU General Public
* License as published by the Free Software Foundation.
*/
-#include <linux/sched.h>
-#include <uapi/linux/bpf.h>
+#include "vmlinux.h"
#include <bpf/bpf_helpers.h>
/* from /sys/kernel/debug/tracing/events/task/task_rename/format */
@@ -22,15 +21,27 @@ int prog(struct task_rename *ctx)
return 0;
}
-/* from /sys/kernel/debug/tracing/events/random/urandom_read/format */
-struct urandom_read {
+/* from /sys/kernel/debug/tracing/events/fib/fib_table_lookup/format */
+struct fib_table_lookup {
__u64 pad;
- int got_bits;
- int pool_left;
- int input_left;
+ __u32 tb_id;
+ int err;
+ int oif;
+ int iif;
+ __u8 proto;
+ __u8 tos;
+ __u8 scope;
+ __u8 flags;
+ __u8 src[4];
+ __u8 dst[4];
+ __u8 gw4[4];
+ __u8 gw6[16];
+ __u16 sport;
+ __u16 dport;
+ char name[16];
};
-SEC("tracepoint/random/urandom_read")
-int prog2(struct urandom_read *ctx)
+SEC("tracepoint/fib/fib_table_lookup")
+int prog2(struct fib_table_lookup *ctx)
{
return 0;
}
diff --git a/samples/bpf/test_overhead_user.c b/samples/bpf/test_overhead_user.c
index 88717f8ec6ac..dbd86f7b1473 100644
--- a/samples/bpf/test_overhead_user.c
+++ b/samples/bpf/test_overhead_user.c
@@ -11,6 +11,8 @@
#include <unistd.h>
#include <assert.h>
#include <sys/wait.h>
+#include <sys/socket.h>
+#include <arpa/inet.h>
#include <stdlib.h>
#include <signal.h>
#include <linux/bpf.h>
@@ -20,6 +22,8 @@
#include <bpf/libbpf.h>
#define MAX_CNT 1000000
+#define DUMMY_IP "127.0.0.1"
+#define DUMMY_PORT 80
static struct bpf_link *links[2];
static struct bpf_object *obj;
@@ -35,8 +39,8 @@ static __u64 time_get_ns(void)
static void test_task_rename(int cpu)
{
- __u64 start_time;
char buf[] = "test\n";
+ __u64 start_time;
int i, fd;
fd = open("/proc/self/comm", O_WRONLY|O_TRUNC);
@@ -57,26 +61,32 @@ static void test_task_rename(int cpu)
close(fd);
}
-static void test_urandom_read(int cpu)
+static void test_fib_table_lookup(int cpu)
{
+ struct sockaddr_in addr;
+ char buf[] = "test\n";
__u64 start_time;
- char buf[4];
int i, fd;
- fd = open("/dev/urandom", O_RDONLY);
+ fd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
if (fd < 0) {
- printf("couldn't open /dev/urandom\n");
+ printf("couldn't open socket\n");
exit(1);
}
+ memset((char *)&addr, 0, sizeof(addr));
+ addr.sin_addr.s_addr = inet_addr(DUMMY_IP);
+ addr.sin_port = htons(DUMMY_PORT);
+ addr.sin_family = AF_INET;
start_time = time_get_ns();
for (i = 0; i < MAX_CNT; i++) {
- if (read(fd, buf, sizeof(buf)) < 0) {
- printf("failed to read from /dev/urandom: %s\n", strerror(errno));
+ if (sendto(fd, buf, strlen(buf), 0,
+ (struct sockaddr *)&addr, sizeof(addr)) < 0) {
+ printf("failed to start ping: %s\n", strerror(errno));
close(fd);
return;
}
}
- printf("urandom_read:%d: %lld events per sec\n",
+ printf("fib_table_lookup:%d: %lld events per sec\n",
cpu, MAX_CNT * 1000000000ll / (time_get_ns() - start_time));
close(fd);
}
@@ -92,7 +102,7 @@ static void loop(int cpu, int flags)
if (flags & 1)
test_task_rename(cpu);
if (flags & 2)
- test_urandom_read(cpu);
+ test_fib_table_lookup(cpu);
}
static void run_perf_test(int tasks, int flags)
@@ -179,7 +189,7 @@ int main(int argc, char **argv)
if (test_flags & 0xC) {
snprintf(filename, sizeof(filename),
- "%s_kprobe_kern.o", argv[0]);
+ "%s_kprobe.bpf.o", argv[0]);
printf("w/KPROBE\n");
err = load_progs(filename);
@@ -191,7 +201,7 @@ int main(int argc, char **argv)
if (test_flags & 0x30) {
snprintf(filename, sizeof(filename),
- "%s_tp_kern.o", argv[0]);
+ "%s_tp.bpf.o", argv[0]);
printf("w/TRACEPOINT\n");
err = load_progs(filename);
if (!err)
@@ -202,7 +212,7 @@ int main(int argc, char **argv)
if (test_flags & 0xC0) {
snprintf(filename, sizeof(filename),
- "%s_raw_tp_kern.o", argv[0]);
+ "%s_raw_tp.bpf.o", argv[0]);
printf("w/RAW_TRACEPOINT\n");
err = load_progs(filename);
if (!err)
diff --git a/samples/bpf/test_probe_write_user_kern.c b/samples/bpf/test_probe_write_user.bpf.c
index 220a96438d75..a4f3798b7fb0 100644
--- a/samples/bpf/test_probe_write_user_kern.c
+++ b/samples/bpf/test_probe_write_user.bpf.c
@@ -4,14 +4,12 @@
* modify it under the terms of version 2 of the GNU General Public
* License as published by the Free Software Foundation.
*/
-#include <linux/skbuff.h>
-#include <linux/netdevice.h>
-#include <uapi/linux/bpf.h>
+#include "vmlinux.h"
+#include <string.h>
#include <linux/version.h>
#include <bpf/bpf_helpers.h>
#include <bpf/bpf_tracing.h>
#include <bpf/bpf_core_read.h>
-#include "trace_common.h"
struct {
__uint(type, BPF_MAP_TYPE_HASH);
@@ -28,25 +26,23 @@ struct {
* This example sits on a syscall, and the syscall ABI is relatively stable
* of course, across platforms, and over time, the ABI may change.
*/
-SEC("kprobe/" SYSCALL(sys_connect))
-int bpf_prog1(struct pt_regs *ctx)
+SEC("ksyscall/connect")
+int BPF_KSYSCALL(bpf_prog1, int fd, struct sockaddr_in *uservaddr,
+ int addrlen)
{
- struct pt_regs *real_regs = (struct pt_regs *)PT_REGS_PARM1_CORE(ctx);
- void *sockaddr_arg = (void *)PT_REGS_PARM2_CORE(real_regs);
- int sockaddr_len = (int)PT_REGS_PARM3_CORE(real_regs);
struct sockaddr_in new_addr, orig_addr = {};
struct sockaddr_in *mapped_addr;
- if (sockaddr_len > sizeof(orig_addr))
+ if (addrlen > sizeof(orig_addr))
return 0;
- if (bpf_probe_read_user(&orig_addr, sizeof(orig_addr), sockaddr_arg) != 0)
+ if (bpf_probe_read_user(&orig_addr, sizeof(orig_addr), uservaddr) != 0)
return 0;
mapped_addr = bpf_map_lookup_elem(&dnat_map, &orig_addr);
if (mapped_addr != NULL) {
memcpy(&new_addr, mapped_addr, sizeof(new_addr));
- bpf_probe_write_user(sockaddr_arg, &new_addr,
+ bpf_probe_write_user(uservaddr, &new_addr,
sizeof(new_addr));
}
return 0;
diff --git a/samples/bpf/test_probe_write_user_user.c b/samples/bpf/test_probe_write_user_user.c
index 00ccfb834e45..2a539aec4116 100644
--- a/samples/bpf/test_probe_write_user_user.c
+++ b/samples/bpf/test_probe_write_user_user.c
@@ -24,7 +24,7 @@ int main(int ac, char **argv)
mapped_addr_in = (struct sockaddr_in *)&mapped_addr;
tmp_addr_in = (struct sockaddr_in *)&tmp_addr;
- snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
+ snprintf(filename, sizeof(filename), "%s.bpf.o", argv[0]);
obj = bpf_object__open_file(filename, NULL);
if (libbpf_get_error(obj)) {
fprintf(stderr, "ERROR: opening BPF object file failed\n");
diff --git a/samples/bpf/trace_common.h b/samples/bpf/trace_common.h
deleted file mode 100644
index 8cb5400aed1f..000000000000
--- a/samples/bpf/trace_common.h
+++ /dev/null
@@ -1,13 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#ifndef __TRACE_COMMON_H
-#define __TRACE_COMMON_H
-
-#ifdef __x86_64__
-#define SYSCALL(SYS) "__x64_" __stringify(SYS)
-#elif defined(__s390x__)
-#define SYSCALL(SYS) "__s390x_" __stringify(SYS)
-#else
-#define SYSCALL(SYS) __stringify(SYS)
-#endif
-
-#endif
diff --git a/samples/bpf/trace_output_kern.c b/samples/bpf/trace_output.bpf.c
index b64815af0943..565a73b51b04 100644
--- a/samples/bpf/trace_output_kern.c
+++ b/samples/bpf/trace_output.bpf.c
@@ -1,8 +1,6 @@
-#include <linux/ptrace.h>
+#include "vmlinux.h"
#include <linux/version.h>
-#include <uapi/linux/bpf.h>
#include <bpf/bpf_helpers.h>
-#include "trace_common.h"
struct {
__uint(type, BPF_MAP_TYPE_PERF_EVENT_ARRAY);
@@ -11,7 +9,7 @@ struct {
__uint(max_entries, 2);
} my_map SEC(".maps");
-SEC("kprobe/" SYSCALL(sys_write))
+SEC("ksyscall/write")
int bpf_prog1(struct pt_regs *ctx)
{
struct S {
diff --git a/samples/bpf/trace_output_user.c b/samples/bpf/trace_output_user.c
index 371732f9cf8e..d316fd2c8e24 100644
--- a/samples/bpf/trace_output_user.c
+++ b/samples/bpf/trace_output_user.c
@@ -51,7 +51,7 @@ int main(int argc, char **argv)
char filename[256];
FILE *f;
- snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
+ snprintf(filename, sizeof(filename), "%s.bpf.o", argv[0]);
obj = bpf_object__open_file(filename, NULL);
if (libbpf_get_error(obj)) {
fprintf(stderr, "ERROR: opening BPF object file failed\n");
diff --git a/samples/bpf/tracex2_kern.c b/samples/bpf/tracex2.bpf.c
index 93e0b7680b4f..0a5c75b367be 100644
--- a/samples/bpf/tracex2_kern.c
+++ b/samples/bpf/tracex2.bpf.c
@@ -4,13 +4,11 @@
* modify it under the terms of version 2 of the GNU General Public
* License as published by the Free Software Foundation.
*/
-#include <linux/skbuff.h>
-#include <linux/netdevice.h>
+#include "vmlinux.h"
#include <linux/version.h>
-#include <uapi/linux/bpf.h>
#include <bpf/bpf_helpers.h>
#include <bpf/bpf_tracing.h>
-#include "trace_common.h"
+#include <bpf/bpf_core_read.h>
struct {
__uint(type, BPF_MAP_TYPE_HASH);
@@ -78,15 +76,14 @@ struct {
__uint(max_entries, 1024);
} my_hist_map SEC(".maps");
-SEC("kprobe/" SYSCALL(sys_write))
-int bpf_prog3(struct pt_regs *ctx)
+SEC("ksyscall/write")
+int BPF_KSYSCALL(bpf_prog3, unsigned int fd, const char *buf, size_t count)
{
- long write_size = PT_REGS_PARM3(ctx);
long init_val = 1;
long *value;
struct hist_key key;
- key.index = log2l(write_size);
+ key.index = log2l(count);
key.pid_tgid = bpf_get_current_pid_tgid();
key.uid_gid = bpf_get_current_uid_gid();
bpf_get_current_comm(&key.comm, sizeof(key.comm));
diff --git a/samples/bpf/tracex2_user.c b/samples/bpf/tracex2_user.c
index 089e408abd7a..2131f1648cf1 100644
--- a/samples/bpf/tracex2_user.c
+++ b/samples/bpf/tracex2_user.c
@@ -123,7 +123,7 @@ int main(int ac, char **argv)
int i, j = 0;
FILE *f;
- snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
+ snprintf(filename, sizeof(filename), "%s.bpf.o", argv[0]);
obj = bpf_object__open_file(filename, NULL);
if (libbpf_get_error(obj)) {
fprintf(stderr, "ERROR: opening BPF object file failed\n");
diff --git a/samples/bpf/tracex4_user.c b/samples/bpf/tracex4_user.c
index 227b05a0bc88..dee8f0a091ba 100644
--- a/samples/bpf/tracex4_user.c
+++ b/samples/bpf/tracex4_user.c
@@ -51,7 +51,7 @@ int main(int ac, char **argv)
struct bpf_program *prog;
struct bpf_object *obj;
char filename[256];
- int map_fd, i, j = 0;
+ int map_fd, j = 0;
snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
obj = bpf_object__open_file(filename, NULL);
@@ -82,7 +82,7 @@ int main(int ac, char **argv)
j++;
}
- for (i = 0; ; i++) {
+ while (1) {
print_old_objects(map_fd);
sleep(1);
}
diff --git a/samples/bpf/xdp1_user.c b/samples/bpf/xdp1_user.c
index 281dc964de8d..f05e797013e9 100644
--- a/samples/bpf/xdp1_user.c
+++ b/samples/bpf/xdp1_user.c
@@ -153,7 +153,7 @@ int main(int argc, char **argv)
return 1;
}
- err = bpf_obj_get_info_by_fd(prog_fd, &info, &info_len);
+ err = bpf_prog_get_info_by_fd(prog_fd, &info, &info_len);
if (err) {
printf("can't get prog info - %s\n", strerror(errno));
return err;
diff --git a/samples/bpf/xdp_adjust_tail_user.c b/samples/bpf/xdp_adjust_tail_user.c
index 167646077c8f..e9426bd65420 100644
--- a/samples/bpf/xdp_adjust_tail_user.c
+++ b/samples/bpf/xdp_adjust_tail_user.c
@@ -184,7 +184,7 @@ int main(int argc, char **argv)
return 1;
}
- err = bpf_obj_get_info_by_fd(prog_fd, &info, &info_len);
+ err = bpf_prog_get_info_by_fd(prog_fd, &info, &info_len);
if (err) {
printf("can't get prog info - %s\n", strerror(errno));
return 1;
diff --git a/samples/bpf/xdp_fwd_user.c b/samples/bpf/xdp_fwd_user.c
index 84f57f1209ce..193b3b79b31f 100644
--- a/samples/bpf/xdp_fwd_user.c
+++ b/samples/bpf/xdp_fwd_user.c
@@ -76,9 +76,9 @@ static int do_detach(int ifindex, const char *ifname, const char *app_name)
return prog_fd;
}
- err = bpf_obj_get_info_by_fd(prog_fd, &prog_info, &info_len);
+ err = bpf_prog_get_info_by_fd(prog_fd, &prog_info, &info_len);
if (err) {
- printf("ERROR: bpf_obj_get_info_by_fd failed (%s)\n",
+ printf("ERROR: bpf_prog_get_info_by_fd failed (%s)\n",
strerror(errno));
goto close_out;
}
diff --git a/samples/bpf/xdp_redirect_cpu_user.c b/samples/bpf/xdp_redirect_cpu_user.c
index a12381c37d2b..e1458405e2ba 100644
--- a/samples/bpf/xdp_redirect_cpu_user.c
+++ b/samples/bpf/xdp_redirect_cpu_user.c
@@ -494,9 +494,9 @@ int main(int argc, char **argv)
goto end_cpu;
}
- ret = bpf_obj_get_info_by_fd(bpf_map__fd(skel->maps.cpu_map), &info, &infosz);
+ ret = bpf_map_get_info_by_fd(bpf_map__fd(skel->maps.cpu_map), &info, &infosz);
if (ret < 0) {
- fprintf(stderr, "Failed bpf_obj_get_info_by_fd for cpumap: %s\n",
+ fprintf(stderr, "Failed bpf_map_get_info_by_fd for cpumap: %s\n",
strerror(errno));
goto end_cpu;
}
diff --git a/samples/bpf/xdp_rxq_info_user.c b/samples/bpf/xdp_rxq_info_user.c
index 08f5331d2b00..b95e0ef61f06 100644
--- a/samples/bpf/xdp_rxq_info_user.c
+++ b/samples/bpf/xdp_rxq_info_user.c
@@ -602,7 +602,7 @@ int main(int argc, char **argv)
return EXIT_FAIL_XDP;
}
- err = bpf_obj_get_info_by_fd(prog_fd, &info, &info_len);
+ err = bpf_prog_get_info_by_fd(prog_fd, &info, &info_len);
if (err) {
printf("can't get prog info - %s\n", strerror(errno));
return err;
diff --git a/samples/bpf/xdp_sample.bpf.h b/samples/bpf/xdp_sample.bpf.h
index 25b1dbe9b37b..fecc41c5df04 100644
--- a/samples/bpf/xdp_sample.bpf.h
+++ b/samples/bpf/xdp_sample.bpf.h
@@ -7,17 +7,9 @@
#include <bpf/bpf_core_read.h>
#include <bpf/bpf_helpers.h>
+#include "net_shared.h"
#include "xdp_sample_shared.h"
-#define ETH_ALEN 6
-#define ETH_P_802_3_MIN 0x0600
-#define ETH_P_8021Q 0x8100
-#define ETH_P_8021AD 0x88A8
-#define ETH_P_IP 0x0800
-#define ETH_P_IPV6 0x86DD
-#define ETH_P_ARP 0x0806
-#define IPPROTO_ICMPV6 58
-
#define EINVAL 22
#define ENETDOWN 100
#define EMSGSIZE 90
@@ -55,18 +47,6 @@ static __always_inline void swap_src_dst_mac(void *data)
p[5] = dst[2];
}
-#if defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && \
- __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
-#define bpf_ntohs(x) __builtin_bswap16(x)
-#define bpf_htons(x) __builtin_bswap16(x)
-#elif defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && \
- __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
-#define bpf_ntohs(x) (x)
-#define bpf_htons(x) (x)
-#else
-# error "Endianness detection needs to be set up for your compiler?!"
-#endif
-
/*
* Note: including linux/compiler.h or linux/kernel.h for the macros below
* conflicts with vmlinux.h include in BPF files, so we define them here.
diff --git a/samples/bpf/xdp_sample_pkts_user.c b/samples/bpf/xdp_sample_pkts_user.c
index 7df7163239ac..e39d7f654f30 100644
--- a/samples/bpf/xdp_sample_pkts_user.c
+++ b/samples/bpf/xdp_sample_pkts_user.c
@@ -35,7 +35,7 @@ static int do_attach(int idx, int fd, const char *name)
return err;
}
- err = bpf_obj_get_info_by_fd(fd, &info, &info_len);
+ err = bpf_prog_get_info_by_fd(fd, &info, &info_len);
if (err) {
printf("can't get prog info - %s\n", strerror(errno));
return err;
diff --git a/samples/bpf/xdp_tx_iptunnel_user.c b/samples/bpf/xdp_tx_iptunnel_user.c
index 307baef6861a..7e4b2f7108a6 100644
--- a/samples/bpf/xdp_tx_iptunnel_user.c
+++ b/samples/bpf/xdp_tx_iptunnel_user.c
@@ -295,7 +295,7 @@ int main(int argc, char **argv)
return 1;
}
- err = bpf_obj_get_info_by_fd(prog_fd, &info, &info_len);
+ err = bpf_prog_get_info_by_fd(prog_fd, &info, &info_len);
if (err) {
printf("can't get prog info - %s\n", strerror(errno));
return err;