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| author | Geliang Tang <geliangtang@gmail.com> | 2021-02-01 15:09:19 -0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2021-02-02 18:37:20 -0800 |
| commit | 2fbdd9eaf17448c52788b0bb5dea04acfd7e9635 (patch) | |
| tree | 49508638dff2d761f13953b728c200801cd9c669 /net/mptcp/subflow.c | |
| parent | d4a7726a79e27d7a117a75cc81f335311d7fc7b8 (diff) | |
| download | linux-2fbdd9eaf17448c52788b0bb5dea04acfd7e9635.tar.gz | |
mptcp: add the mibs for ADD_ADDR with port
This patch adds the mibs for ADD_ADDR with port: MPTCP_MIB_PORTADD for received ADD_ADDR suboption with a port number. MPTCP_MIB_PORTSYNRX, MPTCP_MIB_PORTSYNACKRX, MPTCP_MIB_PORTACKRX, for received MP_JOIN's SYN or SYN/ACK or ACK with a port number which is different from the msk's port number. MPTCP_MIB_MISMATCHPORTSYNRX and MPTCP_MIB_MISMATCHPORTACKRX, for received SYN or ACK MP_JOIN with a mismatched port-number. Signed-off-by: Geliang Tang <geliangtang@gmail.com> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/mptcp/subflow.c')
| -rw-r--r-- | net/mptcp/subflow.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c index ebfbf6a9b669..280da418d60b 100644 --- a/net/mptcp/subflow.c +++ b/net/mptcp/subflow.c @@ -207,8 +207,10 @@ again: tcp_request_sock_ops.destructor(req); subflow_req->msk = NULL; subflow_req->mp_join = 0; + SUBFLOW_REQ_INC_STATS(req, MPTCP_MIB_MISMATCHPORTSYNRX); return -EPERM; } + SUBFLOW_REQ_INC_STATS(req, MPTCP_MIB_JOINPORTSYNRX); } subflow_req_create_thmac(subflow_req); @@ -431,6 +433,7 @@ static void subflow_finish_connect(struct sock *sk, const struct sk_buff *skb) pr_debug("synack inet_dport=%d %d", ntohs(inet_sk(sk)->inet_dport), ntohs(inet_sk(parent)->inet_dport)); + MPTCP_INC_STATS(sock_net(sk), MPTCP_MIB_JOINPORTSYNACKRX); } } else if (mptcp_check_fallback(sk)) { fallback: @@ -702,8 +705,11 @@ create_child: pr_debug("ack inet_sport=%d %d", ntohs(inet_sk(sk)->inet_sport), ntohs(inet_sk((struct sock *)owner)->inet_sport)); - if (!mptcp_pm_sport_in_anno_list(owner, sk)) + if (!mptcp_pm_sport_in_anno_list(owner, sk)) { + SUBFLOW_REQ_INC_STATS(req, MPTCP_MIB_MISMATCHPORTACKRX); goto out; + } + SUBFLOW_REQ_INC_STATS(req, MPTCP_MIB_JOINPORTACKRX); } } } |