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sst-linux/net/mptcp
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Paolo Abeni b740d3c3cb mptcp: prevent excessive coalescing on receive 
commit 56b824eb49d6258aa0bad09a406ceac3f643cdae upstream.

Currently the skb size after coalescing is only limited by the skb
layout (the skb must not carry frag_list). A single coalesced skb
covering several MSS can potentially fill completely the receive
buffer. In such a case, the snd win will zero until the receive buffer
will be empty again, affecting tput badly.

Fixes: 8268ed4c9d ("mptcp: introduce and use mptcp_try_coalesce()")
Cc: stable@vger.kernel.org # please delay 2 weeks after 6.13-final release
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20241230-net-mptcp-rbuf-fixes-v1-3-8608af434ceb@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2025-02-21 13:49:54 +01:00
..
bpf.c
crypto_test.c
crypto.c
ctrl.c
diag.c mptcp: correct MPTCP_SUBFLOW_ATTR_SSN_OFFSET reserved size 2024-08-29 17:30:25 +02:00
Kconfig
Makefile
mib.c mptcp: prevent MPC handshake on port-based signal endpoints 2024-10-22 15:56:51 +02:00
mib.h mptcp: prevent MPC handshake on port-based signal endpoints 2024-10-22 15:56:51 +02:00
mptcp_diag.c
options.c mptcp: consolidate suboption status 2025-02-21 13:49:27 +01:00
pm_netlink.c mptcp: pm: only set fullmesh for subflow endp 2025-02-21 13:49:54 +01:00
pm_userspace.c mptcp: hold pm lock when deleting entry 2024-11-22 15:37:33 +01:00
pm.c mptcp: pr_debug: add missing \n at the end 2024-09-08 07:53:02 +02:00
protocol.c mptcp: prevent excessive coalescing on receive 2025-02-21 13:49:54 +01:00
protocol.h mptcp: consolidate suboption status 2025-02-21 13:49:27 +01:00
sockopt.c mptcp: pr_debug: add missing \n at the end 2024-09-08 07:53:02 +02:00
subflow.c mptcp: prevent MPC handshake on port-based signal endpoints 2024-10-22 15:56:51 +02:00
syncookies.c
token_test.c
token.c