diff options
Diffstat (limited to 'net/mptcp')
-rw-r--r-- | net/mptcp/mib.c | 6 | ||||
-rw-r--r-- | net/mptcp/mib.h | 18 | ||||
-rw-r--r-- | net/mptcp/options.c | 5 | ||||
-rw-r--r-- | net/mptcp/pm.c | 6 | ||||
-rw-r--r-- | net/mptcp/protocol.c | 21 |
5 files changed, 44 insertions, 12 deletions
diff --git a/net/mptcp/mib.c b/net/mptcp/mib.c index 0dac2863c6e1..a0990c365a2e 100644 --- a/net/mptcp/mib.c +++ b/net/mptcp/mib.c @@ -34,7 +34,11 @@ static const struct snmp_mib mptcp_snmp_list[] = { SNMP_MIB_ITEM("NoDSSInWindow", MPTCP_MIB_NODSSWINDOW), SNMP_MIB_ITEM("DuplicateData", MPTCP_MIB_DUPDATA), SNMP_MIB_ITEM("AddAddr", MPTCP_MIB_ADDADDR), + SNMP_MIB_ITEM("AddAddrTx", MPTCP_MIB_ADDADDRTX), + SNMP_MIB_ITEM("AddAddrTxDrop", MPTCP_MIB_ADDADDRTXDROP), SNMP_MIB_ITEM("EchoAdd", MPTCP_MIB_ECHOADD), + SNMP_MIB_ITEM("EchoAddTx", MPTCP_MIB_ECHOADDTX), + SNMP_MIB_ITEM("EchoAddTxDrop", MPTCP_MIB_ECHOADDTXDROP), SNMP_MIB_ITEM("PortAdd", MPTCP_MIB_PORTADD), SNMP_MIB_ITEM("AddAddrDrop", MPTCP_MIB_ADDADDRDROP), SNMP_MIB_ITEM("MPJoinPortSynRx", MPTCP_MIB_JOINPORTSYNRX), @@ -44,6 +48,8 @@ static const struct snmp_mib mptcp_snmp_list[] = { SNMP_MIB_ITEM("MismatchPortAckRx", MPTCP_MIB_MISMATCHPORTACKRX), SNMP_MIB_ITEM("RmAddr", MPTCP_MIB_RMADDR), SNMP_MIB_ITEM("RmAddrDrop", MPTCP_MIB_RMADDRDROP), + SNMP_MIB_ITEM("RmAddrTx", MPTCP_MIB_RMADDRTX), + SNMP_MIB_ITEM("RmAddrTxDrop", MPTCP_MIB_RMADDRTXDROP), SNMP_MIB_ITEM("RmSubflow", MPTCP_MIB_RMSUBFLOW), SNMP_MIB_ITEM("MPPrioTx", MPTCP_MIB_MPPRIOTX), SNMP_MIB_ITEM("MPPrioRx", MPTCP_MIB_MPPRIORX), diff --git a/net/mptcp/mib.h b/net/mptcp/mib.h index 2be3596374f4..cae71d947252 100644 --- a/net/mptcp/mib.h +++ b/net/mptcp/mib.h @@ -27,7 +27,15 @@ enum linux_mptcp_mib_field { MPTCP_MIB_NODSSWINDOW, /* Segments not in MPTCP windows */ MPTCP_MIB_DUPDATA, /* Segments discarded due to duplicate DSS */ MPTCP_MIB_ADDADDR, /* Received ADD_ADDR with echo-flag=0 */ + MPTCP_MIB_ADDADDRTX, /* Sent ADD_ADDR with echo-flag=0 */ + MPTCP_MIB_ADDADDRTXDROP, /* ADD_ADDR with echo-flag=0 not send due to + * resource exhaustion + */ MPTCP_MIB_ECHOADD, /* Received ADD_ADDR with echo-flag=1 */ + MPTCP_MIB_ECHOADDTX, /* Send ADD_ADDR with echo-flag=1 */ + MPTCP_MIB_ECHOADDTXDROP, /* ADD_ADDR with echo-flag=1 not send due + * to resource exhaustion + */ MPTCP_MIB_PORTADD, /* Received ADD_ADDR with a port-number */ MPTCP_MIB_ADDADDRDROP, /* Dropped incoming ADD_ADDR */ MPTCP_MIB_JOINPORTSYNRX, /* Received a SYN MP_JOIN with a different port-number */ @@ -37,6 +45,8 @@ enum linux_mptcp_mib_field { MPTCP_MIB_MISMATCHPORTACKRX, /* Received an ACK MP_JOIN with a mismatched port-number */ MPTCP_MIB_RMADDR, /* Received RM_ADDR */ MPTCP_MIB_RMADDRDROP, /* Dropped incoming RM_ADDR */ + MPTCP_MIB_RMADDRTX, /* Sent RM_ADDR */ + MPTCP_MIB_RMADDRTXDROP, /* RM_ADDR not sent due to resource exhaustion */ MPTCP_MIB_RMSUBFLOW, /* Remove a subflow */ MPTCP_MIB_MPPRIOTX, /* Transmit a MP_PRIO */ MPTCP_MIB_MPPRIORX, /* Received a MP_PRIO */ @@ -63,6 +73,14 @@ struct mptcp_mib { unsigned long mibs[LINUX_MIB_MPTCP_MAX]; }; +static inline void MPTCP_ADD_STATS(struct net *net, + enum linux_mptcp_mib_field field, + int val) +{ + if (likely(net->mib.mptcp_statistics)) + SNMP_ADD_STATS(net->mib.mptcp_statistics, field, val); +} + static inline void MPTCP_INC_STATS(struct net *net, enum linux_mptcp_mib_field field) { diff --git a/net/mptcp/options.c b/net/mptcp/options.c index 19a01b6566f1..8a8083207be4 100644 --- a/net/mptcp/options.c +++ b/net/mptcp/options.c @@ -687,9 +687,12 @@ static bool mptcp_established_options_add_addr(struct sock *sk, struct sk_buff * } opts->suboptions |= OPTION_MPTCP_ADD_ADDR; if (!echo) { + MPTCP_INC_STATS(sock_net(sk), MPTCP_MIB_ADDADDRTX); opts->ahmac = add_addr_generate_hmac(msk->local_key, msk->remote_key, &opts->addr); + } else { + MPTCP_INC_STATS(sock_net(sk), MPTCP_MIB_ECHOADDTX); } pr_debug("addr_id=%d, ahmac=%llu, echo=%d, port=%d", opts->addr.id, opts->ahmac, echo, ntohs(opts->addr.port)); @@ -723,7 +726,7 @@ static bool mptcp_established_options_rm_addr(struct sock *sk, for (i = 0; i < opts->rm_list.nr; i++) pr_debug("rm_list_ids[%d]=%d", i, opts->rm_list.ids[i]); - + MPTCP_ADD_STATS(sock_net(sk), MPTCP_MIB_RMADDRTX, opts->rm_list.nr); return true; } diff --git a/net/mptcp/pm.c b/net/mptcp/pm.c index 78c924506e83..7d03b5fd8200 100644 --- a/net/mptcp/pm.c +++ b/net/mptcp/pm.c @@ -26,7 +26,8 @@ int mptcp_pm_announce_addr(struct mptcp_sock *msk, if (add_addr & (echo ? BIT(MPTCP_ADD_ADDR_ECHO) : BIT(MPTCP_ADD_ADDR_SIGNAL))) { - pr_warn("addr_signal error, add_addr=%d, echo=%d", add_addr, echo); + MPTCP_INC_STATS(sock_net((struct sock *)msk), + echo ? MPTCP_MIB_ECHOADDTXDROP : MPTCP_MIB_ADDADDRTXDROP); return -EINVAL; } @@ -48,7 +49,8 @@ int mptcp_pm_remove_addr(struct mptcp_sock *msk, const struct mptcp_rm_list *rm_ pr_debug("msk=%p, rm_list_nr=%d", msk, rm_list->nr); if (rm_addr) { - pr_warn("addr_signal error, rm_addr=%d", rm_addr); + MPTCP_ADD_STATS(sock_net((struct sock *)msk), + MPTCP_MIB_RMADDRTXDROP, rm_list->nr); return -EINVAL; } diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c index 67311e7d5b21..5df5cc0ffedc 100644 --- a/net/mptcp/protocol.c +++ b/net/mptcp/protocol.c @@ -3758,6 +3758,7 @@ static int mptcp_stream_accept(struct socket *sock, struct socket *newsock, { struct mptcp_sock *msk = mptcp_sk(sock->sk); struct socket *ssock; + struct sock *newsk; int err; pr_debug("msk=%p", msk); @@ -3769,17 +3770,20 @@ static int mptcp_stream_accept(struct socket *sock, struct socket *newsock, if (!ssock) return -EINVAL; - err = ssock->ops->accept(sock, newsock, flags, kern); - if (err == 0 && !mptcp_is_tcpsk(newsock->sk)) { - struct mptcp_sock *msk = mptcp_sk(newsock->sk); + newsk = mptcp_accept(sock->sk, flags, &err, kern); + if (!newsk) + return err; + + lock_sock(newsk); + + __inet_accept(sock, newsock, newsk); + if (!mptcp_is_tcpsk(newsock->sk)) { + struct mptcp_sock *msk = mptcp_sk(newsk); struct mptcp_subflow_context *subflow; - struct sock *newsk = newsock->sk; set_bit(SOCK_CUSTOM_SOCKOPT, &newsock->flags); msk->in_accept_queue = 0; - lock_sock(newsk); - /* set ssk->sk_socket of accept()ed flows to mptcp socket. * This is needed so NOSPACE flag can be set from tcp stack. */ @@ -3800,11 +3804,10 @@ static int mptcp_stream_accept(struct socket *sock, struct socket *newsock, if (unlikely(list_empty(&msk->conn_list))) inet_sk_state_store(newsk, TCP_CLOSE); } - - release_sock(newsk); } + release_sock(newsk); - return err; + return 0; } static __poll_t mptcp_check_writeable(struct mptcp_sock *msk) |