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| author |  Geliang Tang <geliangtang@gmail.com>
| 2021-06-17 16:46:13 -0700 |
|---|---|---|
| committer |  David S. Miller <davem@davemloft.net>
| 2021-06-18 11:40:11 -0700 |
| commit | 0625118115cf2ee8e435bf86d1c1f0bfdee9d7c8 (patch) | |
| tree | 86669b2e27fcb1a4f7ecc029d0fa7073685e1150 /net/mptcp/protocol.c | |
| parent | mptcp: add sk parameter for mptcp_get_options (diff) | |
| download | linux-0625118115cf2ee8e435bf86d1c1f0bfdee9d7c8.tar.gz linux-0625118115cf2ee8e435bf86d1c1f0bfdee9d7c8.tar.bz2 linux-0625118115cf2ee8e435bf86d1c1f0bfdee9d7c8.zip | |
mptcp: add csum_reqd in mptcp_options_received
This patch added a new flag csum_reqd in struct mptcp_options_received, if
the flag MPTCP_CAP_CHECKSUM_REQD is set in the receiving MP_CAPABLE
suboption, set this flag.
In mptcp_sk_clone and subflow_finish_connect, if the csum_reqd flag is set,
enable the msk->csum_enabled flag.
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/mptcp/protocol.c')
| -rw-r--r-- | net/mptcp/protocol.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c index f0da067301f6..b6e5c0930533 100644 --- a/net/mptcp/protocol.c +++ b/net/mptcp/protocol.c @@ -2810,6 +2810,8 @@ struct sock *mptcp_sk_clone(const struct sock *sk, msk->token = subflow_req->token; msk->subflow = NULL; WRITE_ONCE(msk->fully_established, false); + if (mp_opt->csum_reqd) + WRITE_ONCE(msk->csum_enabled, true); msk->write_seq = subflow_req->idsn + 1; msk->snd_nxt = msk->write_seq; |