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udp: store mss and sw_if_index to udp_connection_t

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Store mss and sw_if_index to udp_connection_t and display them via
show sessipn verbose 2

Type: fix

Signed-off-by: Steven Luong <sluong@cisco.com>
Change-Id: I32928f3f4195b178873dc1bada702e035d99c464
This commit is contained in:
Steven Luong
2022-07-25 09:29:23 -07:00
committed by Florin Coras
parent 005ef97f80
commit bf12efc432
4 changed files with 11 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
src/vnet/udp/udp.c
View File

@ -185,7 +185,8 @@ udp_session_bind (u32 session_index, transport_endpoint_cfg_t *lcl)
listener->c_proto = TRANSPORT_PROTO_UDP;
listener->c_s_index = session_index;
listener->c_fib_index = lcl->fib_index;
listener->mss = udp_default_mtu (um, listener->c_is_ip4);
listener->mss =
lcl->mss ? lcl->mss : udp_default_mtu (um, listener->c_is_ip4);
listener->flags |= UDP_CONN_F_OWNS_PORT | UDP_CONN_F_LISTEN;
lcl_ext = (transport_endpoint_cfg_t *) lcl;
if (lcl_ext->transport_flags & TRANSPORT_CFG_F_CONNECTED)
@ -232,7 +233,7 @@ udp_push_one_header (vlib_main_t *vm, udp_connection_t *uc, vlib_buffer_t *b)
else
vlib_buffer_push_ip6 (vm, b, &uc->c_lcl_ip6, &uc->c_rmt_ip6,
IP_PROTOCOL_UDP);
vnet_buffer (b)->sw_if_index[VLIB_RX] = 0;
vnet_buffer (b)->sw_if_index[VLIB_RX] = uc->sw_if_index;
vnet_buffer (b)->sw_if_index[VLIB_TX] = uc->c_fib_index;
b->flags |= VNET_BUFFER_F_LOCALLY_ORIGINATED;
@ -399,6 +400,8 @@ conn_alloc:
uc->c_fib_index = rmt->fib_index;
uc->c_dscp = rmt->dscp;
uc->mss = rmt->mss ? rmt->mss : udp_default_mtu (um, uc->c_is_ip4);
if (rmt->peer.sw_if_index != ENDPOINT_INVALID_INDEX)
uc->sw_if_index = rmt->peer.sw_if_index;
uc->flags |= UDP_CONN_F_OWNS_PORT;
if (rmt->transport_flags & TRANSPORT_CFG_F_CONNECTED)
{

1
src/vnet/udp/udp.h
View File

@ -63,6 +63,7 @@ typedef struct
clib_spinlock_t rx_lock; /**< rx fifo lock */
u8 flags; /**< connection flags */
u16 mss; /**< connection mss */
u32 sw_if_index; /**< connection sw_if_index */
} udp_connection_t;
typedef struct

5
src/vnet/udp/udp_cli.c
View File

@ -67,11 +67,12 @@ static u8 *
format_udp_vars (u8 * s, va_list * args)
{
udp_connection_t *uc = va_arg (*args, udp_connection_t *);
s = format (s, " index %u flags: %U", uc->c_c_index,
format_udp_connection_flags, uc);
if (!(uc->flags & UDP_CONN_F_LISTEN))
s = format (s, "\n");
s = format (s, " \n sw_if_index: %d, mss: %u\n", uc->sw_if_index, uc->mss);
return s;
}

2
src/vnet/udp/udp_input.c
View File

@ -255,6 +255,7 @@ udp46_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
{
u8 queue_event = 1;
uc0 = udp_connection_from_transport (session_get_transport (s0));
uc0->sw_if_index = vnet_buffer (b[0])->sw_if_index[VLIB_RX];
if (uc0->flags & UDP_CONN_F_CONNECTED)
{
if (s0->thread_index != thread_index)
@ -298,6 +299,7 @@ udp46_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
goto done;
}
s0 = session_get (uc0->c_s_index, uc0->c_thread_index);
uc0->sw_if_index = vnet_buffer (b[0])->sw_if_index[VLIB_RX];
error0 = UDP_ERROR_ACCEPT;
}
udp_connection_enqueue (uc0, s0, &hdr0, thread_index, b[0], 1,