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| author |   Paolo Abeni <pabeni@redhat.com> | 2021-04-01 16:19:42 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2021-04-02 14:21:50 -0700 |
| commit | 5695eb8891f9eb5317ca0c3af7a773468524022d (patch) | |
| tree | 20cb129f0ee4e0407277bf7bc8efb59c8ba483df /net/mptcp | |
| parent | mptcp: add mib for token creation fallback (diff) | |
| download | linux-dev-5695eb8891f9eb5317ca0c3af7a773468524022d.tar.xz linux-dev-5695eb8891f9eb5317ca0c3af7a773468524022d.zip | |
mptcp: add active MPC mibs
We are not currently tracking the active MPTCP connection
attempts. Let's add the related counters.
Signed-off-by: Paolo Abeni <pabeni@redhat.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')
| -rw-r--r-- | net/mptcp/mib.c | 2 | ||||
| -rw-r--r-- | net/mptcp/mib.h | 2 | ||||
| -rw-r--r-- | net/mptcp/protocol.c | 2 | ||||
| -rw-r--r-- | net/mptcp/subflow.c | 1 |
4 files changed, 7 insertions, 0 deletions
diff --git a/net/mptcp/mib.c b/net/mptcp/mib.c index b0429aca4f76..eb2dc6dbe212 100644 --- a/net/mptcp/mib.c +++ b/net/mptcp/mib.c @@ -10,6 +10,8 @@ static const struct snmp_mib mptcp_snmp_list[] = { SNMP_MIB_ITEM("MPCapableSYNRX", MPTCP_MIB_MPCAPABLEPASSIVE), + SNMP_MIB_ITEM("MPCapableSYNTX", MPTCP_MIB_MPCAPABLEACTIVE), + SNMP_MIB_ITEM("MPCapableSYNACKRX", MPTCP_MIB_MPCAPABLEACTIVEACK), SNMP_MIB_ITEM("MPCapableACKRX", MPTCP_MIB_MPCAPABLEPASSIVEACK), SNMP_MIB_ITEM("MPCapableFallbackACK", MPTCP_MIB_MPCAPABLEPASSIVEFALLBACK), SNMP_MIB_ITEM("MPCapableFallbackSYNACK", MPTCP_MIB_MPCAPABLEACTIVEFALLBACK), diff --git a/net/mptcp/mib.h b/net/mptcp/mib.h index 50e1668c9a01..f0da4f060fe1 100644 --- a/net/mptcp/mib.h +++ b/net/mptcp/mib.h @@ -3,6 +3,8 @@ enum linux_mptcp_mib_field { MPTCP_MIB_NUM = 0, MPTCP_MIB_MPCAPABLEPASSIVE, /* Received SYN with MP_CAPABLE */ + MPTCP_MIB_MPCAPABLEACTIVE, /* Sent SYN with MP_CAPABLE */ + MPTCP_MIB_MPCAPABLEACTIVEACK, /* Received SYN/ACK with MP_CAPABLE */ MPTCP_MIB_MPCAPABLEPASSIVEACK, /* Received third ACK with MP_CAPABLE */ MPTCP_MIB_MPCAPABLEPASSIVEFALLBACK,/* Server-side fallback during 3-way handshake */ MPTCP_MIB_MPCAPABLEACTIVEFALLBACK, /* Client-side fallback during 3-way handshake */ diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c index 3b50e8cc0c5f..0c916d48cad8 100644 --- a/net/mptcp/protocol.c +++ b/net/mptcp/protocol.c @@ -3228,6 +3228,8 @@ static int mptcp_stream_connect(struct socket *sock, struct sockaddr *uaddr, MPTCP_INC_STATS(sock_net(ssock->sk), MPTCP_MIB_TOKENFALLBACKINIT); mptcp_subflow_early_fallback(msk, subflow); } + if (likely(!__mptcp_check_fallback(msk))) + MPTCP_INC_STATS(sock_net(sock->sk), MPTCP_MIB_MPCAPABLEACTIVE); do_connect: err = ssock->ops->connect(ssock, uaddr, addr_len, flags); diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c index b96e8dc01f08..7a5f50d00d4b 100644 --- a/net/mptcp/subflow.c +++ b/net/mptcp/subflow.c @@ -395,6 +395,7 @@ static void subflow_finish_connect(struct sock *sk, const struct sk_buff *skb) subflow->remote_key = mp_opt.sndr_key; pr_debug("subflow=%p, remote_key=%llu", subflow, subflow->remote_key); + MPTCP_INC_STATS(sock_net(sk), MPTCP_MIB_MPCAPABLEACTIVEACK); mptcp_finish_connect(sk); } else if (subflow->request_join) { u8 hmac[SHA256_DIGEST_SIZE]; |