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| author | Jakub Kicinski <kuba@kernel.org> | 2020-10-15 22:43:21 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2020-10-15 22:43:21 +0300 |
| commit | 2295cddf99e3f7c2be2b1160e2f5e53cc35b09be (patch) | |
| tree | 2c5a619c8aee5ef68028a65a1c059736b005846b /net/mptcp/subflow.c | |
| parent | 346e320cb2103edef709c4466a29140c4a8e527a (diff) | |
| parent | 2ecbc1f684482b4ed52447a39903bd9b0f222898 (diff) | |
| download | linux-2295cddf99e3f7c2be2b1160e2f5e53cc35b09be.tar.xz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Minor conflicts in net/mptcp/protocol.h and
tools/testing/selftests/net/Makefile.
In both cases code was added on both sides in the same place
so just keep both.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/mptcp/subflow.c')
| -rw-r--r-- | net/mptcp/subflow.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c index 5d91e3a2cd30..ac4a1fe3550b 100644 --- a/net/mptcp/subflow.c +++ b/net/mptcp/subflow.c @@ -271,6 +271,19 @@ static bool subflow_thmac_valid(struct mptcp_subflow_context *subflow) return thmac == subflow->thmac; } +void mptcp_subflow_reset(struct sock *ssk) +{ + struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(ssk); + struct sock *sk = subflow->conn; + + tcp_set_state(ssk, TCP_CLOSE); + tcp_send_active_reset(ssk, GFP_ATOMIC); + tcp_done(ssk); + if (!test_and_set_bit(MPTCP_WORK_CLOSE_SUBFLOW, &mptcp_sk(sk)->flags) && + schedule_work(&mptcp_sk(sk)->work)) + sock_hold(sk); +} + static void subflow_finish_connect(struct sock *sk, const struct sk_buff *skb) { struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(sk); @@ -343,8 +356,7 @@ fallback: return; do_reset: - tcp_send_active_reset(sk, GFP_ATOMIC); - tcp_done(sk); + mptcp_subflow_reset(sk); } struct request_sock_ops mptcp_subflow_request_sock_ops; @@ -770,12 +782,11 @@ static enum mapping_status get_mapping_status(struct sock *ssk, if (!mpext->dsn64) { map_seq = expand_seq(subflow->map_seq, subflow->map_data_len, mpext->data_seq); - subflow->use_64bit_ack = 0; pr_debug("expanded seq=%llu", subflow->map_seq); } else { map_seq = mpext->data_seq; - subflow->use_64bit_ack = 1; } + WRITE_ONCE(mptcp_sk(subflow->conn)->use_64bit_ack, !!mpext->dsn64); if (subflow->map_valid) { /* Allow replacing only with an identical map */ |