return s;
}
-l2flood_main_t l2flood_main;
+extern l2flood_main_t l2flood_main;
-static vlib_node_registration_t l2flood_node;
+#ifndef CLIB_MARCH_VARIANT
+l2flood_main_t l2flood_main;
+#endif /* CLIB_MARCH_VARIANT */
#define foreach_l2flood_error \
_(L2FLOOD, "L2 flood packets") \
* could be turned into an ICMP reply. If BVI processing is not performed
* last, the modified packet would be replicated to the remaining members.
*/
-static uword
-l2flood_node_fn (vlib_main_t * vm,
- vlib_node_runtime_t * node, vlib_frame_t * frame)
+VLIB_NODE_FN (l2flood_node) (vlib_main_t * vm,
+ vlib_node_runtime_t * node, vlib_frame_t * frame)
{
u32 n_left_from, *from, *to_next;
l2flood_next_t next_index;
while (n_left_from > 0 && n_left_to_next > 0)
{
- u32 next0, sw_if_index0, bi0, ci0;
u16 n_clones, n_cloned, clone0;
l2_bridge_domain_t *bd_config;
+ u32 sw_if_index0, bi0, ci0;
l2_flood_member_t *member;
vlib_buffer_t *b0, *c0;
+ u16 next0;
u8 in_shg;
i32 mi;
bi0, L2FLOOD_NEXT_DROP);
continue;
}
-
- vec_validate (msm->clones[thread_index], n_clones);
- vec_reset_length (msm->clones[thread_index]);
-
- /*
- * the header offset needs to be large enoguh to incorporate
- * all the L3 headers that could be touched when doing BVI
- * processing. So take the current l2 length plus 2 * IPv6
- * headers (for tunnel encap)
- */
- n_cloned = vlib_buffer_clone (vm, bi0,
- msm->clones[thread_index],
- n_clones,
- (vnet_buffer (b0)->l2.l2_len +
- sizeof (udp_header_t) +
- 2 * sizeof (ip6_header_t)));
-
- if (PREDICT_FALSE (n_cloned != n_clones))
+ else if (n_clones > 1)
{
- b0->error = node->errors[L2FLOOD_ERROR_REPL_FAIL];
- }
+ vec_validate (msm->clones[thread_index], n_clones);
+
+ /*
+ * the header offset needs to be large enough to incorporate
+ * all the L3 headers that could be touched when doing BVI
+ * processing. So take the current l2 length plus 2 * IPv6
+ * headers (for tunnel encap)
+ */
+ n_cloned = vlib_buffer_clone (vm, bi0,
+ msm->clones[thread_index],
+ n_clones,
+ VLIB_BUFFER_CLONE_HEAD_SIZE);
+
+ vec_set_len (msm->clones[thread_index], n_cloned);
+
+ if (PREDICT_FALSE (n_cloned != n_clones))
+ {
+ b0->error = node->errors[L2FLOOD_ERROR_REPL_FAIL];
+ /* Worst-case, no clones, consume the original buf */
+ if (n_cloned == 0)
+ {
+ ci0 = bi0;
+ member = msm->members[thread_index][0];
+ goto use_original_buffer;
+ }
+ }
- /*
- * for all but the last clone, these are not BVI bound
- */
- for (clone0 = 0; clone0 < n_cloned - 1; clone0++)
- {
- member = msm->members[thread_index][clone0];
- ci0 = msm->clones[thread_index][clone0];
- c0 = vlib_get_buffer (vm, ci0);
+ /*
+ * for all but the last clone, these are not BVI bound
+ */
+ for (clone0 = 0; clone0 < n_cloned - 1; clone0++)
+ {
+ member = msm->members[thread_index][clone0];
+ ci0 = msm->clones[thread_index][clone0];
+ c0 = vlib_get_buffer (vm, ci0);
- to_next[0] = ci0;
- to_next += 1;
- n_left_to_next -= 1;
+ to_next[0] = ci0;
+ to_next += 1;
+ n_left_to_next -= 1;
- if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE) &&
- (b0->flags & VLIB_BUFFER_IS_TRACED)))
- {
- ethernet_header_t *h0;
- l2flood_trace_t *t;
-
- if (c0 != b0)
- vlib_buffer_copy_trace_flag (vm, b0, ci0);
-
- t = vlib_add_trace (vm, node, c0, sizeof (*t));
- h0 = vlib_buffer_get_current (c0);
- t->sw_if_index = sw_if_index0;
- t->bd_index = vnet_buffer (c0)->l2.bd_index;
- clib_memcpy (t->src, h0->src_address, 6);
- clib_memcpy (t->dst, h0->dst_address, 6);
- }
+ if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE) &&
+ (b0->flags & VLIB_BUFFER_IS_TRACED)))
+ {
+ ethernet_header_t *h0;
+ l2flood_trace_t *t;
+
+ t = vlib_add_trace (vm, node, c0, sizeof (*t));
+ h0 = vlib_buffer_get_current (c0);
+ t->sw_if_index = sw_if_index0;
+ t->bd_index = vnet_buffer (c0)->l2.bd_index;
+ clib_memcpy_fast (t->src, h0->src_address, 6);
+ clib_memcpy_fast (t->dst, h0->dst_address, 6);
+ }
- /* Do normal L2 forwarding */
- vnet_buffer (c0)->sw_if_index[VLIB_TX] = member->sw_if_index;
+ /* Do normal L2 forwarding */
+ vnet_buffer (c0)->sw_if_index[VLIB_TX] =
+ member->sw_if_index;
- vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
- to_next, n_left_to_next,
- ci0, next0);
- if (PREDICT_FALSE (0 == n_left_to_next))
- {
- vlib_put_next_frame (vm, node, next_index, n_left_to_next);
- vlib_get_next_frame (vm, node, next_index,
- to_next, n_left_to_next);
+ vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
+ to_next, n_left_to_next,
+ ci0, next0);
+ if (PREDICT_FALSE (0 == n_left_to_next))
+ {
+ vlib_put_next_frame (vm, node, next_index,
+ n_left_to_next);
+ vlib_get_next_frame (vm, node, next_index, to_next,
+ n_left_to_next);
+ }
}
+ member = msm->members[thread_index][clone0];
+ ci0 = msm->clones[thread_index][clone0];
+ }
+ else
+ {
+ /* one clone */
+ ci0 = bi0;
+ member = msm->members[thread_index][0];
}
+ use_original_buffer:
/*
* the last clone that might go to a BVI
*/
- member = msm->members[thread_index][clone0];
- ci0 = msm->clones[thread_index][clone0];
c0 = vlib_get_buffer (vm, ci0);
to_next[0] = ci0;
ethernet_header_t *h0;
l2flood_trace_t *t;
- if (c0 != b0)
- vlib_buffer_copy_trace_flag (vm, b0, ci0);
-
t = vlib_add_trace (vm, node, c0, sizeof (*t));
h0 = vlib_buffer_get_current (c0);
t->sw_if_index = sw_if_index0;
t->bd_index = vnet_buffer (c0)->l2.bd_index;
- clib_memcpy (t->src, h0->src_address, 6);
- clib_memcpy (t->dst, h0->dst_address, 6);
+ clib_memcpy_fast (t->src, h0->src_address, 6);
+ clib_memcpy_fast (t->dst, h0->dst_address, 6);
}
-
-
/* Forward packet to the current member */
if (PREDICT_FALSE (member->flags & L2_FLOOD_MEMBER_BVI))
{
/* *INDENT-OFF* */
-VLIB_REGISTER_NODE (l2flood_node,static) = {
- .function = l2flood_node_fn,
+VLIB_REGISTER_NODE (l2flood_node) = {
.name = "l2-flood",
.vector_size = sizeof (u32),
.format_trace = format_l2flood_trace,
};
/* *INDENT-ON* */
-VLIB_NODE_FUNCTION_MULTIARCH (l2flood_node, l2flood_node_fn)
- clib_error_t *l2flood_init (vlib_main_t * vm)
+#ifndef CLIB_MARCH_VARIANT
+clib_error_t *
+l2flood_init (vlib_main_t * vm)
{
l2flood_main_t *mp = &l2flood_main;
next_by_ethertype_register (&mp->l3_next, type, next_index);
}
+#endif /* CLIB_MARCH_VARIANT */
/**
Code Review / vpp.git / blobdiff