{
b = vlib_get_buffer (vm, b->next_buffer);
b->current_length = 0;
+ // XXX: Buffer leak???
}
}
+
+ /* Add IP header and ICMPv6 header including a 4 byte data field */
+ int headroom = sizeof (ip6_header_t) + sizeof (icmp46_header_t) + 4;
+
+ /* Verify that we're not falling off the edge */
+ if (p0->current_data - headroom < -VLIB_BUFFER_PRE_DATA_SIZE)
+ {
+ next0 = IP6_ICMP_ERROR_NEXT_DROP;
+ error0 = ICMP6_ERROR_DROP;
+ goto error;
+ }
+
+ vlib_buffer_advance (p0, -headroom);
+ vnet_buffer (p0)->sw_if_index[VLIB_TX] = ~0;
+ p0->flags |= VNET_BUFFER_F_LOCALLY_ORIGINATED;
p0->current_length =
p0->current_length > 1280 ? 1280 : p0->current_length;
- /* Add IP header and ICMPv6 header including a 4 byte data field */
- vlib_buffer_advance (p0,
- -sizeof (ip6_header_t) -
- sizeof (icmp46_header_t) - 4);
out_ip0 = vlib_buffer_get_current (p0);
icmp0 = (icmp46_header_t *) & out_ip0[1];
{
next0 = IP6_ICMP_ERROR_NEXT_DROP;
error0 = ICMP6_ERROR_DROP;
+ goto error;
}
/* Fill icmp header fields */
ip6_tcp_udp_icmp_compute_checksum (vm, p0, out_ip0,
&bogus_length);
-
-
/* Update error status */
if (error0 == ICMP6_ERROR_NONE)
error0 = icmp6_icmp_type_to_error (icmp0->type);
+
+ error:
vlib_error_count (vm, node->node_index, error0, 1);
/* Verify speculative enqueue, maybe switch current next frame */
.n_next_nodes = IP6_ICMP_ERROR_N_NEXT,
.next_nodes = {
- [IP6_ICMP_ERROR_NEXT_DROP] = "ip6-drop",
+ [IP6_ICMP_ERROR_NEXT_DROP] = "error-drop",
[IP6_ICMP_ERROR_NEXT_LOOKUP] = "ip6-lookup",
},
foreach_icmp6_code;
#undef _
- memset (cm->input_next_index_by_type,
- ICMP_INPUT_NEXT_DROP, sizeof (cm->input_next_index_by_type));
- memset (cm->max_valid_code_by_type, 0, sizeof (cm->max_valid_code_by_type));
+ clib_memset (cm->input_next_index_by_type,
+ ICMP_INPUT_NEXT_DROP, sizeof (cm->input_next_index_by_type));
+ clib_memset (cm->max_valid_code_by_type, 0,
+ sizeof (cm->max_valid_code_by_type));
#define _(a,n,t) cm->max_valid_code_by_type[ICMP6_##a] = clib_max (cm->max_valid_code_by_type[ICMP6_##a], n);
foreach_icmp6_code;
#undef _
- memset (cm->min_valid_hop_limit_by_type, 0,
- sizeof (cm->min_valid_hop_limit_by_type));
+ clib_memset (cm->min_valid_hop_limit_by_type, 0,
+ sizeof (cm->min_valid_hop_limit_by_type));
cm->min_valid_hop_limit_by_type[ICMP6_router_solicitation] = 255;
cm->min_valid_hop_limit_by_type[ICMP6_router_advertisement] = 255;
cm->min_valid_hop_limit_by_type[ICMP6_neighbor_solicitation] = 255;
cm->min_valid_hop_limit_by_type[ICMP6_neighbor_advertisement] = 255;
cm->min_valid_hop_limit_by_type[ICMP6_redirect] = 255;
- memset (cm->min_valid_length_by_type, sizeof (icmp46_header_t),
- sizeof (cm->min_valid_length_by_type));
+ clib_memset (cm->min_valid_length_by_type, sizeof (icmp46_header_t),
+ sizeof (cm->min_valid_length_by_type));
cm->min_valid_length_by_type[ICMP6_router_solicitation] =
sizeof (icmp6_neighbor_discovery_header_t);
cm->min_valid_length_by_type[ICMP6_router_advertisement] =