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authorFlorin Coras <fcoras@cisco.com>2022-10-17 11:52:34 -0700
committerDave Wallace <dwallacelf@gmail.com>2022-10-19 01:00:52 +0000
commit8c1be054b90f113aef3ae27b52d7389271ce91c3 (patch)
tree9123e5efa00a953b08f4a1d2f330227714382ad7 /src/vnet/udp/udp.c
parent472d0da7a0590c4beb052ce70edee60b0fa5e98f (diff)
udp: explicit udp output node
This allows for custom next node selection on output. Type: feature Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: Ib0fee71a01847184e95c18097bbbfdadfbd9d030
Diffstat (limited to 'src/vnet/udp/udp.c')
-rw-r--r--src/vnet/udp/udp.c19
1 files changed, 7 insertions, 12 deletions
diff --git a/src/vnet/udp/udp.c b/src/vnet/udp/udp.c
index 9b2ed886d0f..c919c958254 100644
--- a/src/vnet/udp/udp.c
+++ b/src/vnet/udp/udp.c
@@ -226,16 +226,9 @@ always_inline u32
udp_push_one_header (vlib_main_t *vm, udp_connection_t *uc, vlib_buffer_t *b)
{
vlib_buffer_push_udp (b, uc->c_lcl_port, uc->c_rmt_port, 1);
- if (uc->c_is_ip4)
- vlib_buffer_push_ip4_custom (vm, b, &uc->c_lcl_ip4, &uc->c_rmt_ip4,
- IP_PROTOCOL_UDP, 1 /* csum offload */,
- 0 /* is_df */, uc->c_dscp);
- 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] = uc->sw_if_index;
- vnet_buffer (b)->sw_if_index[VLIB_TX] = uc->c_fib_index;
b->flags |= VNET_BUFFER_F_LOCALLY_ORIGINATED;
+ /* reuse tcp medatada for now */
+ vnet_buffer (b)->tcp.connection_index = uc->c_c_index;
return 0;
}
@@ -412,6 +405,8 @@ conn_alloc:
clib_spinlock_init (&uc->rx_lock);
uc->c_flags |= TRANSPORT_CONNECTION_F_CLESS;
}
+ uc->next_node_index = rmt->next_node_index;
+ uc->next_node_opaque = rmt->next_node_opaque;
return uc->c_c_index;
}
@@ -505,11 +500,11 @@ udp_init (vlib_main_t * vm)
pi->format_header = format_udp_header;
pi->unformat_pg_edit = unformat_pg_udp_header;
- /* Register as transport with URI */
+ /* Register as transport with session layer */
transport_register_protocol (TRANSPORT_PROTO_UDP, &udp_proto,
- FIB_PROTOCOL_IP4, ip4_lookup_node.index);
+ FIB_PROTOCOL_IP4, udp4_output_node.index);
transport_register_protocol (TRANSPORT_PROTO_UDP, &udp_proto,
- FIB_PROTOCOL_IP6, ip6_lookup_node.index);
+ FIB_PROTOCOL_IP6, udp6_output_node.index);
/*
* Initialize data structures