diff options
| author | Matthieu Baerts (NGI0) <matttbe@kernel.org> | 2024-09-09 22:09:22 +0200 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2024-09-11 15:57:50 -0700 |
| commit | 6982826fe5e53ef115836de7dd397bd970030937 (patch) | |
| tree | 623b59339e04b90a8a26a3c6699865178d3fd52e /net/mptcp/mib.h | |
| parent | 65b02260a0e0c7cbb2faafd6c84ad95f68a2acae (diff) | |
mptcp: fallback to TCP after SYN+MPC drops
Some middleboxes might be nasty with MPTCP, and decide to drop packets
with MPTCP options, instead of just dropping the MPTCP options (or
letting them pass...).
In this case, it sounds better to fallback to "plain" TCP after 2
retransmissions, and try again.
Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/477
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20240909-net-next-mptcp-fallback-x-mpc-v1-2-da7ebb4cd2a3@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/mptcp/mib.h')
| -rw-r--r-- | net/mptcp/mib.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/net/mptcp/mib.h b/net/mptcp/mib.h index d68136f93dac..062775700b63 100644 --- a/net/mptcp/mib.h +++ b/net/mptcp/mib.h @@ -10,6 +10,7 @@ enum linux_mptcp_mib_field { MPTCP_MIB_MPCAPABLEPASSIVEACK, /* Received third ACK with MP_CAPABLE */ MPTCP_MIB_MPCAPABLEPASSIVEFALLBACK,/* Server-side fallback during 3-way handshake */ MPTCP_MIB_MPCAPABLEACTIVEFALLBACK, /* Client-side fallback during 3-way handshake */ + MPTCP_MIB_MPCAPABLEACTIVEDROP, /* Client-side fallback due to a MPC drop */ MPTCP_MIB_TOKENFALLBACKINIT, /* Could not init/allocate token */ MPTCP_MIB_RETRANSSEGS, /* Segments retransmitted at the MPTCP-level */ MPTCP_MIB_JOINNOTOKEN, /* Received MP_JOIN but the token was not found */ |