diff options
| author |   Lawrence Brakmo <brakmo@fb.com> | 2018-01-25 16:14:09 -0800 |
|---|---|---|
| committer |   Alexei Starovoitov <ast@kernel.org> | 2018-01-25 16:41:14 -0800 |
| commit | de525be2ca2734865d29c4b67ddd29913b214906 (patch) | |
| tree | 85e7a4d4b7c45de053c1d9528c1849d65252edfa /net/ipv4 | |
| parent | bpf: Add write access to tcp_sock and sock fields (diff) | |
| download | linux-dev-de525be2ca2734865d29c4b67ddd29913b214906.tar.xz linux-dev-de525be2ca2734865d29c4b67ddd29913b214906.zip | |
bpf: Support passing args to sock_ops bpf function
Adds support for passing up to 4 arguments to sock_ops bpf functions. It
reusues the reply union, so the bpf_sock_ops structures are not
increased in size.
Signed-off-by: Lawrence Brakmo <brakmo@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to '')
| -rw-r--r-- | net/ipv4/tcp.c | 2 | ||||
| -rw-r--r-- | net/ipv4/tcp_nv.c | 2 | ||||
| -rw-r--r-- | net/ipv4/tcp_output.c | 2 |
3 files changed, 3 insertions, 3 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index d7cf861bf699..88b62441e7e9 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -463,7 +463,7 @@ void tcp_init_transfer(struct sock *sk, int bpf_op) tcp_mtup_init(sk); icsk->icsk_af_ops->rebuild_header(sk); tcp_init_metrics(sk); - tcp_call_bpf(sk, bpf_op); + tcp_call_bpf(sk, bpf_op, 0, NULL); tcp_init_congestion_control(sk); tcp_init_buffer_space(sk); } diff --git a/net/ipv4/tcp_nv.c b/net/ipv4/tcp_nv.c index 0b5a05bd82e3..ddbce73edae8 100644 --- a/net/ipv4/tcp_nv.c +++ b/net/ipv4/tcp_nv.c @@ -146,7 +146,7 @@ static void tcpnv_init(struct sock *sk) * within a datacenter, where we have reasonable estimates of * RTTs */ - base_rtt = tcp_call_bpf(sk, BPF_SOCK_OPS_BASE_RTT); + base_rtt = tcp_call_bpf(sk, BPF_SOCK_OPS_BASE_RTT, 0, NULL); if (base_rtt > 0) { ca->nv_base_rtt = base_rtt; ca->nv_lower_bound_rtt = (base_rtt * 205) >> 8; /* 80% */ diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 95461f02ac9a..d12f7f71c1c4 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -3469,7 +3469,7 @@ int tcp_connect(struct sock *sk) struct sk_buff *buff; int err; - tcp_call_bpf(sk, BPF_SOCK_OPS_TCP_CONNECT_CB); + tcp_call_bpf(sk, BPF_SOCK_OPS_TCP_CONNECT_CB, 0, NULL); if (inet_csk(sk)->icsk_af_ops->rebuild_header(sk)) return -EHOSTUNREACH; /* Routing failure or similar. */ |