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authorNeale Ranns <nranns@cisco.com>2019-05-21 06:54:54 -0700
committerOle Trøan <otroan@employees.org>2019-06-04 10:32:46 +0000
commitb538dd868665009f9a3737610177342f88e3ba80 (patch)
tree2e2a1964e56a70e7c2584668b8f32017311e834c /src/vnet/ip/punt_node.c
parent0c6ac791dde099346af1752aa92d0eb05fc2db11 (diff)
Punt: specify packets by IP protocol Type
Change-Id: I0c2d6fccd95146e52bb88ca4a6e84554d5d6b2ed Signed-off-by: Neale Ranns <nranns@cisco.com>
Diffstat (limited to 'src/vnet/ip/punt_node.c')
-rw-r--r--src/vnet/ip/punt_node.c57
1 files changed, 54 insertions, 3 deletions
diff --git a/src/vnet/ip/punt_node.c b/src/vnet/ip/punt_node.c
index 53c8199342b..67f97431c19 100644
--- a/src/vnet/ip/punt_node.c
+++ b/src/vnet/ip/punt_node.c
@@ -286,13 +286,29 @@ punt_socket_inline (vlib_main_t * vm,
udp = (udp_header_t *) (ip + 1);
}
- u16 port = clib_net_to_host_u16 (udp->dst_port);
-
/*
* Find registerered client
* If no registered client, drop packet and count
*/
- c = punt_client_l4_get (af, port);
+ c = punt_client_l4_get (af, clib_net_to_host_u16 (udp->dst_port));
+ }
+ else if (PUNT_TYPE_IP_PROTO == pt)
+ {
+ /* Reverse UDP Punt advance */
+ ip_protocol_t proto;
+
+ if (AF_IP4 == af)
+ {
+ ip4_header_t *ip = vlib_buffer_get_current (b);
+ proto = ip->protocol;
+ }
+ else
+ {
+ ip6_header_t *ip = vlib_buffer_get_current (b);
+ proto = ip->protocol;
+ }
+
+ c = punt_client_ip_proto_get (af, proto);
}
else if (PUNT_TYPE_EXCEPTION == pt)
{
@@ -391,6 +407,22 @@ udp6_punt_socket (vlib_main_t * vm,
}
static uword
+ip4_proto_punt_socket (vlib_main_t * vm,
+ vlib_node_runtime_t * node, vlib_frame_t * from_frame)
+{
+ return punt_socket_inline (vm, node, from_frame,
+ PUNT_TYPE_IP_PROTO, AF_IP4);
+}
+
+static uword
+ip6_proto_punt_socket (vlib_main_t * vm,
+ vlib_node_runtime_t * node, vlib_frame_t * from_frame)
+{
+ return punt_socket_inline (vm, node, from_frame,
+ PUNT_TYPE_IP_PROTO, AF_IP6);
+}
+
+static uword
exception_punt_socket (vlib_main_t * vm,
vlib_node_runtime_t * node, vlib_frame_t * from_frame)
{
@@ -419,6 +451,25 @@ VLIB_REGISTER_NODE (udp6_punt_socket_node) = {
.n_errors = PUNT_N_ERROR,
.error_strings = punt_error_strings,
};
+VLIB_REGISTER_NODE (ip4_proto_punt_socket_node) = {
+ .function = ip4_proto_punt_socket,
+ .name = "ip4-proto-punt-socket",
+ .format_trace = format_udp_punt_trace,
+ .flags = VLIB_NODE_FLAG_IS_DROP,
+ /* Takes a vector of packets. */
+ .vector_size = sizeof (u32),
+ .n_errors = PUNT_N_ERROR,
+ .error_strings = punt_error_strings,
+};
+VLIB_REGISTER_NODE (ip6_proto_punt_socket_node) = {
+ .function = ip6_proto_punt_socket,
+ .name = "ip6-proto-punt-socket",
+ .format_trace = format_udp_punt_trace,
+ .flags = VLIB_NODE_FLAG_IS_DROP,
+ .vector_size = sizeof (u32),
+ .n_errors = PUNT_N_ERROR,
+ .error_strings = punt_error_strings,
+};
VLIB_REGISTER_NODE (exception_punt_socket_node) = {
.function = exception_punt_socket,
.name = "exception-punt-socket",