diff options
Diffstat (limited to 'net/mptcp/subflow.c')
| -rw-r--r-- | net/mptcp/subflow.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c index 24c2de1891bd..15613d691bfe 100644 --- a/net/mptcp/subflow.c +++ b/net/mptcp/subflow.c @@ -247,6 +247,7 @@ again: if (unlikely(req->syncookie)) { if (!mptcp_can_accept_new_subflow(subflow_req->msk)) { + SUBFLOW_REQ_INC_STATS(req, MPTCP_MIB_JOINREJECTED); subflow_add_reset_reason(skb, MPTCP_RST_EPROHIBIT); return -EPERM; } @@ -745,15 +746,11 @@ struct request_sock *mptcp_subflow_reqsk_alloc(const struct request_sock_ops *op EXPORT_SYMBOL(mptcp_subflow_reqsk_alloc); /* validate hmac received in third ACK */ -static bool subflow_hmac_valid(const struct request_sock *req, +static bool subflow_hmac_valid(const struct mptcp_subflow_request_sock *subflow_req, const struct mptcp_options_received *mp_opt) { - const struct mptcp_subflow_request_sock *subflow_req; + struct mptcp_sock *msk = subflow_req->msk; u8 hmac[SHA256_DIGEST_SIZE]; - struct mptcp_sock *msk; - - subflow_req = mptcp_subflow_rsk(req); - msk = subflow_req->msk; subflow_generate_hmac(READ_ONCE(msk->remote_key), READ_ONCE(msk->local_key), @@ -899,13 +896,14 @@ create_child: goto dispose_child; } - if (!subflow_hmac_valid(req, &mp_opt)) { + if (!subflow_hmac_valid(subflow_req, &mp_opt)) { SUBFLOW_REQ_INC_STATS(req, MPTCP_MIB_JOINACKMAC); subflow_add_reset_reason(skb, MPTCP_RST_EPROHIBIT); goto dispose_child; } if (!mptcp_can_accept_new_subflow(owner)) { + SUBFLOW_REQ_INC_STATS(req, MPTCP_MIB_JOINREJECTED); subflow_add_reset_reason(skb, MPTCP_RST_EPROHIBIT); goto dispose_child; } |