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| author | Yonghong Song <yhs@fb.com> | 2020-06-23 16:08:22 -0700 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2020-06-24 18:37:59 -0700 |
| commit | ace6d6ec9e9e167047b6c8ca462a0830220640c2 (patch) | |
| tree | 465b7200f6288861e50b12dd01cc1dc067054c1c /tools/testing/selftests/bpf/progs/bpf_iter.h | |
| parent | 2767c97765cb3d9b54c8e62b468e55cc56854a66 (diff) | |
| download | linux-ace6d6ec9e9e167047b6c8ca462a0830220640c2.tar.gz linux-ace6d6ec9e9e167047b6c8ca462a0830220640c2.tar.bz2 linux-ace6d6ec9e9e167047b6c8ca462a0830220640c2.zip | |
selftests/bpf: Implement sample udp/udp6 bpf_iter programs
On my VM, I got identical results between /proc/net/udp[6] and
the udp{4,6} bpf iterator.
For udp6:
$ cat /sys/fs/bpf/p1
sl local_address remote_address st tx_queue rx_queue tr tm->when retrnsmt uid timeout inode ref pointer drops
1405: 000080FE00000000FF7CC4D0D9EFE4FE:0222 00000000000000000000000000000000:0000 07 00000000:00000000 00:00000000 00000000 193 0 19183 2 0000000029eab111 0
$ cat /proc/net/udp6
sl local_address remote_address st tx_queue rx_queue tr tm->when retrnsmt uid timeout inode ref pointer drops
1405: 000080FE00000000FF7CC4D0D9EFE4FE:0222 00000000000000000000000000000000:0000 07 00000000:00000000 00:00000000 00000000 193 0 19183 2 0000000029eab111 0
For udp4:
$ cat /sys/fs/bpf/p4
sl local_address rem_address st tx_queue rx_queue tr tm->when retrnsmt uid timeout inode ref pointer drops
2007: 00000000:1F90 00000000:0000 07 00000000:00000000 00:00000000 00000000 0 0 72540 2 000000004ede477a 0
$ cat /proc/net/udp
sl local_address rem_address st tx_queue rx_queue tr tm->when retrnsmt uid timeout inode ref pointer drops
2007: 00000000:1F90 00000000:0000 07 00000000:00000000 00:00000000 00000000 0 0 72540 2 000000004ede477a 0
Signed-off-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Andrii Nakryiko <andriin@fb.com>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Link: https://lore.kernel.org/bpf/20200623230822.3989299-1-yhs@fb.com
Diffstat (limited to 'tools/testing/selftests/bpf/progs/bpf_iter.h')
| -rw-r--r-- | tools/testing/selftests/bpf/progs/bpf_iter.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/bpf_iter.h b/tools/testing/selftests/bpf/progs/bpf_iter.h index bde23e16e777..17db3bac518b 100644 --- a/tools/testing/selftests/bpf/progs/bpf_iter.h +++ b/tools/testing/selftests/bpf/progs/bpf_iter.h @@ -9,6 +9,8 @@ #define bpf_iter__task_file bpf_iter__task_file___not_used #define bpf_iter__tcp bpf_iter__tcp___not_used #define tcp6_sock tcp6_sock___not_used +#define bpf_iter__udp bpf_iter__udp___not_used +#define udp6_sock udp6_sock___not_used #include "vmlinux.h" #undef bpf_iter_meta #undef bpf_iter__bpf_map @@ -18,6 +20,8 @@ #undef bpf_iter__task_file #undef bpf_iter__tcp #undef tcp6_sock +#undef bpf_iter__udp +#undef udp6_sock struct bpf_iter_meta { struct seq_file *seq; @@ -62,3 +66,15 @@ struct tcp6_sock { struct tcp_sock tcp; struct ipv6_pinfo inet6; } __attribute__((preserve_access_index)); + +struct bpf_iter__udp { + struct bpf_iter_meta *meta; + struct udp_sock *udp_sk; + uid_t uid __attribute__((aligned(8))); + int bucket __attribute__((aligned(8))); +} __attribute__((preserve_access_index)); + +struct udp6_sock { + struct udp_sock udp; + struct ipv6_pinfo inet6; +} __attribute__((preserve_access_index)); |