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| author | Takashi Iwai <tiwai@suse.de> | 2024-10-25 10:54:09 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2024-10-25 10:54:09 +0200 |
| commit | 0216ded72db896b24cbdd8cd6531482571b25cf6 (patch) | |
| tree | 56b578e29657bd3df8236c5f0cf6b8f13c17232a /net/mptcp/protocol.c | |
| parent | 52345d35622026b99271edc1c58ad7cfef3b7567 (diff) | |
| parent | 04177158cf98a79744937893b100020d77e6f9ac (diff) | |
Merge branch 'topic/compress-accel' into for-next
Pull compress-offload API extension for accel operation mode
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'net/mptcp/protocol.c')
| -rw-r--r-- | net/mptcp/protocol.c | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c index c2317919fc14..6d0e201c3eb2 100644 --- a/net/mptcp/protocol.c +++ b/net/mptcp/protocol.c @@ -620,6 +620,18 @@ static bool mptcp_check_data_fin(struct sock *sk) return ret; } +static void mptcp_dss_corruption(struct mptcp_sock *msk, struct sock *ssk) +{ + if (READ_ONCE(msk->allow_infinite_fallback)) { + MPTCP_INC_STATS(sock_net(ssk), + MPTCP_MIB_DSSCORRUPTIONFALLBACK); + mptcp_do_fallback(ssk); + } else { + MPTCP_INC_STATS(sock_net(ssk), MPTCP_MIB_DSSCORRUPTIONRESET); + mptcp_subflow_reset(ssk); + } +} + static bool __mptcp_move_skbs_from_subflow(struct mptcp_sock *msk, struct sock *ssk, unsigned int *bytes) @@ -692,10 +704,16 @@ static bool __mptcp_move_skbs_from_subflow(struct mptcp_sock *msk, moved += len; seq += len; - if (WARN_ON_ONCE(map_remaining < len)) - break; + if (unlikely(map_remaining < len)) { + DEBUG_NET_WARN_ON_ONCE(1); + mptcp_dss_corruption(msk, ssk); + } } else { - WARN_ON_ONCE(!fin); + if (unlikely(!fin)) { + DEBUG_NET_WARN_ON_ONCE(1); + mptcp_dss_corruption(msk, ssk); + } + sk_eat_skb(ssk, skb); done = true; } |