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| author | Stanislav Fomichev <sdf@google.com> | 2019-07-02 09:13:58 -0700 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2019-07-03 16:52:01 +0200 |
| commit | 0357746d1e40a8226f68a42c8d7222a12d7c451f (patch) | |
| tree | 04c74dbeedd3c9bfcc69565411a1664c0016b4c5 /net | |
| parent | 2377b81de52750997726d6d43b4114e5842c4bf9 (diff) | |
| download | linux-0357746d1e40a8226f68a42c8d7222a12d7c451f.tar.gz linux-0357746d1e40a8226f68a42c8d7222a12d7c451f.tar.bz2 linux-0357746d1e40a8226f68a42c8d7222a12d7c451f.zip | |
bpf: add dsack_dups/delivered{, _ce} to bpf_tcp_sock
Add more fields to bpf_tcp_sock that might be useful for debugging
congestion control issues.
Cc: Eric Dumazet <edumazet@google.com>
Cc: Priyaranjan Jha <priyarjha@google.com>
Cc: Yuchung Cheng <ycheng@google.com>
Cc: Soheil Hassas Yeganeh <soheil@google.com>
Acked-by: Soheil Hassas Yeganeh <soheil@google.com>
Acked-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/core/filter.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/net/core/filter.c b/net/core/filter.c index ad908526545d..3da4b6c38b46 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -5544,7 +5544,7 @@ static const struct bpf_func_proto bpf_sock_addr_sk_lookup_udp_proto = { bool bpf_tcp_sock_is_valid_access(int off, int size, enum bpf_access_type type, struct bpf_insn_access_aux *info) { - if (off < 0 || off >= offsetofend(struct bpf_tcp_sock, bytes_acked)) + if (off < 0 || off >= offsetofend(struct bpf_tcp_sock, delivered_ce)) return false; if (off % size != 0) @@ -5652,6 +5652,15 @@ u32 bpf_tcp_sock_convert_ctx_access(enum bpf_access_type type, case offsetof(struct bpf_tcp_sock, bytes_acked): BPF_TCP_SOCK_GET_COMMON(bytes_acked); break; + case offsetof(struct bpf_tcp_sock, dsack_dups): + BPF_TCP_SOCK_GET_COMMON(dsack_dups); + break; + case offsetof(struct bpf_tcp_sock, delivered): + BPF_TCP_SOCK_GET_COMMON(delivered); + break; + case offsetof(struct bpf_tcp_sock, delivered_ce): + BPF_TCP_SOCK_GET_COMMON(delivered_ce); + break; } return insn - insn_buf; |