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authorFlorin Coras <fcoras@cisco.com>2019-07-29 18:13:25 -0700
committerDave Barach <openvpp@barachs.net>2019-08-02 16:32:34 +0000
commitedfe0eea7a938e650074fcb82a971187a7beb12e (patch)
tree36e42838e4fc3f90594ee48b8eef3ce9c461e0e2 /src/vnet/tcp/tcp_input.c
parentc62a83daeac52c8642206ac1660e4e3e6ead77bf (diff)
tcp: add more connection stats
Type:feature Change-Id: If02884d0f1f26bfe31ec609ea9611cb27b699868 Signed-off-by: Florin Coras <fcoras@cisco.com>
Diffstat (limited to 'src/vnet/tcp/tcp_input.c')
-rwxr-xr-xsrc/vnet/tcp/tcp_input.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/src/vnet/tcp/tcp_input.c b/src/vnet/tcp/tcp_input.c
index 4695fbb1161..2fadab59eb8 100755
--- a/src/vnet/tcp/tcp_input.c
+++ b/src/vnet/tcp/tcp_input.c
@@ -365,6 +365,9 @@ tcp_segment_validate (tcp_worker_ctx_t * wrk, tcp_connection_t * tc0,
*error0 = TCP_ERROR_RCV_WND;
+ tc0->errors.below_data_wnd += seq_lt (vnet_buffer (b0)->tcp.seq_end,
+ tc0->rcv_las);
+
/* If not RST, send dup ack */
if (!tcp_rst (th0))
{
@@ -1174,6 +1177,7 @@ tcp_cc_init_congestion (tcp_connection_t * tc)
tc->prev_ssthresh = tc->ssthresh;
tc->prev_cwnd = tc->cwnd;
tc->cc_algo->congestion (tc);
+ tc->fr_occurences += 1;
TCP_EVT_DBG (TCP_EVT_CC_EVT, tc, 4);
}
#endif /* CLIB_MARCH_VARIANT */
@@ -1524,6 +1528,7 @@ tcp_rcv_ack (tcp_worker_ctx_t * wrk, tcp_connection_t * tc, vlib_buffer_t * b,
goto process_ack;
}
+ tc->errors.above_ack_wnd += 1;
*error = TCP_ERROR_ACK_FUTURE;
TCP_EVT_DBG (TCP_EVT_ACK_RCV_ERR, tc, 0,
vnet_buffer (b)->tcp.ack_number);
@@ -1533,6 +1538,7 @@ tcp_rcv_ack (tcp_worker_ctx_t * wrk, tcp_connection_t * tc, vlib_buffer_t * b,
/* If old ACK, probably it's an old dupack */
if (PREDICT_FALSE (seq_lt (vnet_buffer (b)->tcp.ack_number, tc->snd_una)))
{
+ tc->errors.below_ack_wnd += 1;
*error = TCP_ERROR_ACK_OLD;
TCP_EVT_DBG (TCP_EVT_ACK_RCV_ERR, tc, 1,
vnet_buffer (b)->tcp.ack_number);
@@ -1547,6 +1553,7 @@ process_ack:
/*
* Looks okay, process feedback
*/
+
if (tcp_opts_sack_permitted (&tc->rcv_opts))
tcp_rcv_sacks (tc, vnet_buffer (b)->tcp.ack_number);
@@ -1577,6 +1584,7 @@ process_ack:
if (tcp_ack_is_cc_event (tc, b, prev_snd_wnd, prev_snd_una, &is_dack))
{
tcp_cc_handle_event (tc, &rs, is_dack);
+ tc->dupacks_in += is_dack;
if (!tcp_in_cong_recovery (tc))
{
*error = TCP_ERROR_ACK_OK;
@@ -1741,6 +1749,7 @@ tcp_session_enqueue_data (tcp_connection_t * tc, vlib_buffer_t * b,
ASSERT (data_len);
written = session_enqueue_stream_connection (&tc->connection, b, 0,
1 /* queue event */ , 1);
+ tc->bytes_in += written;
TCP_EVT_DBG (TCP_EVT_INPUT, tc, 0, data_len, written);
@@ -1801,6 +1810,7 @@ tcp_session_enqueue_ooo (tcp_connection_t * tc, vlib_buffer_t * b,
}
TCP_EVT_DBG (TCP_EVT_INPUT, tc, 1, data_len, data_len);
+ tc->bytes_in += data_len;
/* Update SACK list if in use */
if (tcp_opts_sack_permitted (&tc->rcv_opts))
@@ -1889,6 +1899,7 @@ tcp_segment_rcv (tcp_worker_ctx_t * wrk, tcp_connection_t * tc,
vlib_buffer_advance (b, vnet_buffer (b)->tcp.data_offset);
n_data_bytes = vnet_buffer (b)->tcp.data_len;
ASSERT (n_data_bytes);
+ tc->data_segs_in += 1;
/* Handle out-of-order data */
if (PREDICT_FALSE (vnet_buffer (b)->tcp.seq_number != tc->rcv_nxt))
@@ -1923,6 +1934,8 @@ tcp_segment_rcv (tcp_worker_ctx_t * wrk, tcp_connection_t * tc,
error = tcp_session_enqueue_ooo (tc, b, n_data_bytes);
tcp_program_dupack (tc);
TCP_EVT_DBG (TCP_EVT_DUPACK_SENT, tc, vnet_buffer (b)->tcp);
+ tc->errors.above_data_wnd += seq_gt (vnet_buffer (b)->tcp.seq_end,
+ tc->rcv_las + tc->rcv_wnd);
goto done;
}
@@ -3398,6 +3411,7 @@ tcp_input_dispatch_buffer (tcp_main_t * tm, tcp_connection_t * tc,
flags = tcp->flags & filter_flags;
*next = tm->dispatch_table[tc->state][flags].next;
*error = tm->dispatch_table[tc->state][flags].error;
+ tc->segs_in += 1;
if (PREDICT_FALSE (*error == TCP_ERROR_DISPATCH
|| *next == TCP_INPUT_NEXT_RESET))