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authorFlorin Coras <fcoras@cisco.com>2021-09-09 12:04:17 -0700
committerDamjan Marion <dmarion@me.com>2021-09-13 13:39:18 +0000
commit596c45b22211c9af243b624dc037f58c0aa1c302 (patch)
tree544b30c173bfe2297e41cc6f2ad7a545342d039c /src
parentdb79ac0502f3a2ecc20d4fa2e9f9be20bfb8e18c (diff)
tcp session: initialize sw_if_index at connect time
Type: fix Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: Id0e67a9ce9c5d8bca2cd7a30493f03a02a46dc46
Diffstat (limited to 'src')
-rw-r--r--src/vnet/session/transport.c16
-rw-r--r--src/vnet/tcp/tcp.c1
-rw-r--r--src/vnet/tcp/tcp_cli.c5
-rw-r--r--src/vnet/tcp/tcp_input.c1
-rw-r--r--src/vnet/tcp/tcp_output.c2
5 files changed, 13 insertions, 12 deletions
diff --git a/src/vnet/session/transport.c b/src/vnet/session/transport.c
index 526f1a2da15..4b263cd29b9 100644
--- a/src/vnet/session/transport.c
+++ b/src/vnet/session/transport.c
@@ -549,14 +549,14 @@ transport_get_interface_ip (u32 sw_if_index, u8 is_ip4, ip46_address_t * addr)
}
static session_error_t
-transport_find_local_ip_for_remote (u32 sw_if_index,
- transport_endpoint_t * rmt,
- ip46_address_t * lcl_addr)
+transport_find_local_ip_for_remote (u32 *sw_if_index,
+ transport_endpoint_t *rmt,
+ ip46_address_t *lcl_addr)
{
fib_node_index_t fei;
fib_prefix_t prefix;
- if (sw_if_index == ENDPOINT_INVALID_INDEX)
+ if (*sw_if_index == ENDPOINT_INVALID_INDEX)
{
/* Find a FIB path to the destination */
clib_memcpy_fast (&prefix.fp_addr, &rmt->ip, sizeof (rmt->ip));
@@ -570,13 +570,13 @@ transport_find_local_ip_for_remote (u32 sw_if_index,
if (fei == FIB_NODE_INDEX_INVALID)
return SESSION_E_NOROUTE;
- sw_if_index = fib_entry_get_resolving_interface (fei);
- if (sw_if_index == ENDPOINT_INVALID_INDEX)
+ *sw_if_index = fib_entry_get_resolving_interface (fei);
+ if (*sw_if_index == ENDPOINT_INVALID_INDEX)
return SESSION_E_NOINTF;
}
clib_memset (lcl_addr, 0, sizeof (*lcl_addr));
- return transport_get_interface_ip (sw_if_index, rmt->is_ip4, lcl_addr);
+ return transport_get_interface_ip (*sw_if_index, rmt->is_ip4, lcl_addr);
}
int
@@ -593,7 +593,7 @@ transport_alloc_local_endpoint (u8 proto, transport_endpoint_cfg_t * rmt_cfg,
*/
if (ip_is_zero (&rmt_cfg->peer.ip, rmt_cfg->peer.is_ip4))
{
- error = transport_find_local_ip_for_remote (rmt_cfg->peer.sw_if_index,
+ error = transport_find_local_ip_for_remote (&rmt_cfg->peer.sw_if_index,
rmt, lcl_addr);
if (error)
return error;
diff --git a/src/vnet/tcp/tcp.c b/src/vnet/tcp/tcp.c
index 4b1dd8e5cf5..62267bbdd1f 100644
--- a/src/vnet/tcp/tcp.c
+++ b/src/vnet/tcp/tcp.c
@@ -831,6 +831,7 @@ tcp_session_open (transport_endpoint_cfg_t * rmt)
/* The other connection vars will be initialized after SYN ACK */
tcp_connection_timers_init (tc);
tc->mss = rmt->mss;
+ tc->sw_if_index = rmt->peer.sw_if_index;
tc->next_node_index = rmt->next_node_index;
tc->next_node_opaque = rmt->next_node_opaque;
diff --git a/src/vnet/tcp/tcp_cli.c b/src/vnet/tcp/tcp_cli.c
index e602f114a74..c7b5c0b441e 100644
--- a/src/vnet/tcp/tcp_cli.c
+++ b/src/vnet/tcp/tcp_cli.c
@@ -208,8 +208,9 @@ format_tcp_vars (u8 * s, va_list * args)
tc->mrtt_us * 1e3, tc->rttvar / 1000.0);
s = format (s, " rtt_ts %.4f rtt_seq %u\n", tc->rtt_ts,
tc->rtt_seq - tc->iss);
- s = format (s, " next_node %u opaque 0x%x fib_index %u\n",
- tc->next_node_index, tc->next_node_opaque, tc->c_fib_index);
+ s = format (s, " next_node %u opaque 0x%x fib_index %u sw_if_index %d\n",
+ tc->next_node_index, tc->next_node_opaque, tc->c_fib_index,
+ tc->sw_if_index);
s = format (s, " cong: %U", format_tcp_congestion, tc);
if (tc->state >= TCP_STATE_ESTABLISHED)
diff --git a/src/vnet/tcp/tcp_input.c b/src/vnet/tcp/tcp_input.c
index 1e27b7dcb2e..3d3272c8765 100644
--- a/src/vnet/tcp/tcp_input.c
+++ b/src/vnet/tcp/tcp_input.c
@@ -1933,7 +1933,6 @@ tcp46_syn_sent_inline (vlib_main_t *vm, vlib_node_runtime_t *node,
new_tc->rcv_nxt = vnet_buffer (b[0])->tcp.seq_end;
new_tc->irs = seq;
new_tc->timers[TCP_TIMER_RETRANSMIT_SYN] = TCP_TIMER_HANDLE_INVALID;
- new_tc->sw_if_index = vnet_buffer (b[0])->sw_if_index[VLIB_RX];
if (tcp_opts_tstamp (&new_tc->rcv_opts))
{
diff --git a/src/vnet/tcp/tcp_output.c b/src/vnet/tcp/tcp_output.c
index 82694995840..7a46798e746 100644
--- a/src/vnet/tcp/tcp_output.c
+++ b/src/vnet/tcp/tcp_output.c
@@ -2136,7 +2136,7 @@ tcp_output_handle_packet (tcp_connection_t * tc0, vlib_buffer_t * b0,
}
vnet_buffer (b0)->sw_if_index[VLIB_TX] = tc0->c_fib_index;
- vnet_buffer (b0)->sw_if_index[VLIB_RX] = 0;
+ vnet_buffer (b0)->sw_if_index[VLIB_RX] = tc0->sw_if_index;
if (!is_ip4)
{