summaryrefslogtreecommitdiffstats
path: root/src/vnet/gre/gre.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/vnet/gre/gre.c')
-rw-r--r--src/vnet/gre/gre.c44
1 files changed, 37 insertions, 7 deletions
diff --git a/src/vnet/gre/gre.c b/src/vnet/gre/gre.c
index a4f38880a39..db16fa979cc 100644
--- a/src/vnet/gre/gre.c
+++ b/src/vnet/gre/gre.c
@@ -498,8 +498,10 @@ typedef enum
* @brief TX function. Only called for L2 payload including TEB or ERSPAN.
* L3 traffic uses the adj-midchains.
*/
-VLIB_NODE_FN (gre_encap_node) (vlib_main_t * vm, vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+static_always_inline u32
+gre_encap_inline (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * frame, gre_tunnel_type_t type)
{
gre_main_t *gm = &gre_main;
u32 *from, n_left_from;
@@ -537,7 +539,7 @@ VLIB_NODE_FN (gre_encap_node) (vlib_main_t * vm, vlib_node_runtime_t * node,
vnet_buffer (b[0])->ip.adj_index[VLIB_TX] = adj_index[0];
vnet_buffer (b[1])->ip.adj_index[VLIB_TX] = adj_index[1];
- if (PREDICT_FALSE (gt[0]->type == GRE_TUNNEL_TYPE_ERSPAN))
+ if (type == GRE_TUNNEL_TYPE_ERSPAN)
{
/* Encap GRE seq# and ERSPAN type II header */
erspan_t2_t *h0;
@@ -551,7 +553,7 @@ VLIB_NODE_FN (gre_encap_node) (vlib_main_t * vm, vlib_node_runtime_t * node,
h0->t2_u64 = hdr;
h0->t2.cos_en_t_session |= clib_host_to_net_u16 (gt[0]->session_id);
}
- if (PREDICT_FALSE (gt[1]->type == GRE_TUNNEL_TYPE_ERSPAN))
+ if (type == GRE_TUNNEL_TYPE_ERSPAN)
{
/* Encap GRE seq# and ERSPAN type II header */
erspan_t2_t *h0;
@@ -604,12 +606,13 @@ VLIB_NODE_FN (gre_encap_node) (vlib_main_t * vm, vlib_node_runtime_t * node,
vnet_buffer (b[0])->ip.adj_index[VLIB_TX] = adj_index[0];
- if (PREDICT_FALSE (gt[0]->type == GRE_TUNNEL_TYPE_ERSPAN))
+ if (type == GRE_TUNNEL_TYPE_ERSPAN)
{
/* Encap GRE seq# and ERSPAN type II header */
erspan_t2_t *h0;
u32 seq_num;
u64 hdr;
+ ASSERT (gt[0]->type == GRE_TUNNEL_TYPE_ERSPAN);
vlib_buffer_advance (b[0], -sizeof (erspan_t2_t));
h0 = vlib_buffer_get_current (b[0]);
seq_num = clib_atomic_fetch_add (&gt[0]->gre_sn->seq_num, 1);
@@ -649,10 +652,37 @@ static char *gre_error_strings[] = {
#undef gre_error
};
+VLIB_NODE_FN (gre_teb_encap_node) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
+{
+ return (gre_encap_inline (vm, node, frame, GRE_TUNNEL_TYPE_TEB));
+}
+
+VLIB_NODE_FN (gre_erspan_encap_node) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
+{
+ return (gre_encap_inline (vm, node, frame, GRE_TUNNEL_TYPE_ERSPAN));
+}
+
/* *INDENT-OFF* */
-VLIB_REGISTER_NODE (gre_encap_node) =
+VLIB_REGISTER_NODE (gre_teb_encap_node) =
+{
+ .name = "gre-teb-encap",
+ .vector_size = sizeof (u32),
+ .format_trace = format_gre_tx_trace,
+ .type = VLIB_NODE_TYPE_INTERNAL,
+ .n_errors = GRE_N_ERROR,
+ .error_strings = gre_error_strings,
+ .n_next_nodes = GRE_ENCAP_N_NEXT,
+ .next_nodes = {
+ [GRE_ENCAP_NEXT_L2_MIDCHAIN] = "adj-l2-midchain",
+ },
+};
+VLIB_REGISTER_NODE (gre_erspan_encap_node) =
{
- .name = "gre-encap",
+ .name = "gre-erspan-encap",
.vector_size = sizeof (u32),
.format_trace = format_gre_tx_trace,
.type = VLIB_NODE_TYPE_INTERNAL,