diff options
| author | Jakub Kicinski <kuba@kernel.org> | 2023-06-01 15:33:03 -0700 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2023-06-01 15:38:26 -0700 |
| commit | a03a91bd68cb00c615e602cf605e6be12bedaa90 (patch) | |
| tree | d26ef8bf5538d777498d6ef0fc6e4cc69475415b /net/ipv4/tcp_timer.c | |
| parent | 4ff3dfc91c8458f65366f283167d1cd6f16be06f (diff) | |
| parent | 714069daa5d345483578e2ff77fb6f06f4dcba6a (diff) | |
| download | lwn-a03a91bd68cb00c615e602cf605e6be12bedaa90.tar.gz lwn-a03a91bd68cb00c615e602cf605e6be12bedaa90.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR.
No conflicts.
Adjacent changes:
drivers/net/ethernet/sfc/tc.c
622ab656344a ("sfc: fix error unwinds in TC offload")
b6583d5e9e94 ("sfc: support TC decap rules matching on enc_src_port")
net/mptcp/protocol.c
5b825727d087 ("mptcp: add annotations around msk->subflow accesses")
e76c8ef5cc5b ("mptcp: refactor mptcp_stream_accept()")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/ipv4/tcp_timer.c')
| -rw-r--r-- | net/ipv4/tcp_timer.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c index 0d93a2573807..470f581eedd4 100644 --- a/net/ipv4/tcp_timer.c +++ b/net/ipv4/tcp_timer.c @@ -295,9 +295,19 @@ static int tcp_write_timeout(struct sock *sk) void tcp_delack_timer_handler(struct sock *sk) { struct inet_connection_sock *icsk = inet_csk(sk); + struct tcp_sock *tp = tcp_sk(sk); - if (((1 << sk->sk_state) & (TCPF_CLOSE | TCPF_LISTEN)) || - !(icsk->icsk_ack.pending & ICSK_ACK_TIMER)) + if ((1 << sk->sk_state) & (TCPF_CLOSE | TCPF_LISTEN)) + return; + + /* Handling the sack compression case */ + if (tp->compressed_ack) { + tcp_mstamp_refresh(tp); + tcp_sack_compress_send_ack(sk); + return; + } + + if (!(icsk->icsk_ack.pending & ICSK_ACK_TIMER)) return; if (time_after(icsk->icsk_ack.timeout, jiffies)) { @@ -317,7 +327,7 @@ void tcp_delack_timer_handler(struct sock *sk) inet_csk_exit_pingpong_mode(sk); icsk->icsk_ack.ato = TCP_ATO_MIN; } - tcp_mstamp_refresh(tcp_sk(sk)); + tcp_mstamp_refresh(tp); tcp_send_ack(sk); __NET_INC_STATS(sock_net(sk), LINUX_MIB_DELAYEDACKS); } |