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authorLeon Romanovsky <leon@kernel.org>2023-12-12 09:04:59 +0200
committerLeon Romanovsky <leon@kernel.org>2023-12-12 09:04:59 +0200
commitafcda192dbab7df48dfedb1813a6d03bf6bd4996 (patch)
tree270d0e74520e0f8d17da34bbdd8d91dec47f3585 /net/mptcp/protocol.c
parent07f830ae4913d0b986c8c0ff88a7d597948b9bd8 (diff)
parentd727d27db536faea7178290c677cc0567f647231 (diff)
Expose c0 and SW encap ICM for RDMA
These two series from Mark and Shun extend RDMA mlx5 API. Mark's series provides c0 register used to match egress traffic sent by local device. Shun's series adds new type for ICM area. Link: https://lore.kernel.org/all/cover.1701871118.git.leon@kernel.org Signed-off-by: Leon Romanovsky <leon@kernel.org>
Diffstat (limited to 'net/mptcp/protocol.c')
-rw-r--r--net/mptcp/protocol.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c
index a0b8356cd8c5..bc81ea53a049 100644
--- a/net/mptcp/protocol.c
+++ b/net/mptcp/protocol.c
@@ -1230,6 +1230,8 @@ static void mptcp_update_infinite_map(struct mptcp_sock *msk,
mptcp_do_fallback(ssk);
}
+#define MPTCP_MAX_GSO_SIZE (GSO_LEGACY_MAX_SIZE - (MAX_TCP_HEADER + 1))
+
static int mptcp_sendmsg_frag(struct sock *sk, struct sock *ssk,
struct mptcp_data_frag *dfrag,
struct mptcp_sendmsg_info *info)
@@ -1256,6 +1258,8 @@ static int mptcp_sendmsg_frag(struct sock *sk, struct sock *ssk,
return -EAGAIN;
/* compute send limit */
+ if (unlikely(ssk->sk_gso_max_size > MPTCP_MAX_GSO_SIZE))
+ ssk->sk_gso_max_size = MPTCP_MAX_GSO_SIZE;
info->mss_now = tcp_send_mss(ssk, &info->size_goal, info->flags);
copy = info->size_goal;
@@ -3398,10 +3402,11 @@ static void mptcp_release_cb(struct sock *sk)
if (__test_and_clear_bit(MPTCP_CLEAN_UNA, &msk->cb_flags))
__mptcp_clean_una_wakeup(sk);
if (unlikely(msk->cb_flags)) {
- /* be sure to set the current sk state before tacking actions
- * depending on sk_state, that is processing MPTCP_ERROR_REPORT
+ /* be sure to set the current sk state before taking actions
+ * depending on sk_state (MPTCP_ERROR_REPORT)
+ * On sk release avoid actions depending on the first subflow
*/
- if (__test_and_clear_bit(MPTCP_CONNECTED, &msk->cb_flags))
+ if (__test_and_clear_bit(MPTCP_CONNECTED, &msk->cb_flags) && msk->first)
__mptcp_set_connected(sk);
if (__test_and_clear_bit(MPTCP_ERROR_REPORT, &msk->cb_flags))
__mptcp_error_report(sk);