* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
-#include <vnet/ip/ip.h>
+#include <vnet/ip/ip6_input.h>
#include <vnet/ethernet/ethernet.h>
#include <vnet/ppp/ppp.h>
#include <vnet/hdlc/hdlc.h>
return s;
}
-typedef enum
-{
- IP6_INPUT_NEXT_DROP,
- IP6_INPUT_NEXT_LOOKUP,
- IP6_INPUT_NEXT_ICMP_ERROR,
- IP6_INPUT_N_NEXT,
-} ip6_input_next_t;
-
/* Validate IP v6 packets and pass them either to forwarding code
or drop exception packets. */
static uword
vlib_node_runtime_t *error_node =
vlib_node_get_runtime (vm, ip6_input_node.index);
vlib_simple_counter_main_t *cm;
- u32 cpu_index = os_get_cpu_number ();
+ u32 thread_index = vlib_get_thread_index ();
from = vlib_frame_vector_args (frame);
n_left_from = frame->n_vectors;
ip6_header_t *ip0, *ip1;
u32 pi0, sw_if_index0, next0 = 0;
u32 pi1, sw_if_index1, next1 = 0;
- u8 error0, error1, arc0, arc1;
+ u8 arc0, arc1;
/* Prefetch next iteration. */
{
sw_if_index0 = vnet_buffer (p0)->sw_if_index[VLIB_RX];
sw_if_index1 = vnet_buffer (p1)->sw_if_index[VLIB_RX];
- arc0 =
- ip6_address_is_multicast (&ip0->dst_address) ?
- lm->mcast_feature_arc_index : lm->ucast_feature_arc_index;
- arc1 =
- ip6_address_is_multicast (&ip1->dst_address) ?
- lm->mcast_feature_arc_index : lm->ucast_feature_arc_index;
+ if (PREDICT_FALSE (ip6_address_is_multicast (&ip0->dst_address)))
+ {
+ arc0 = lm->mcast_feature_arc_index;
+ next0 = IP6_INPUT_NEXT_LOOKUP_MULTICAST;
+ }
+ else
+ {
+ arc0 = lm->ucast_feature_arc_index;
+ next0 = IP6_INPUT_NEXT_LOOKUP;
+ }
+
+ if (PREDICT_FALSE (ip6_address_is_multicast (&ip1->dst_address)))
+ {
+ arc1 = lm->mcast_feature_arc_index;
+ next1 = IP6_INPUT_NEXT_LOOKUP_MULTICAST;
+ }
+ else
+ {
+ arc1 = lm->ucast_feature_arc_index;
+ next1 = IP6_INPUT_NEXT_LOOKUP;
+ }
vnet_buffer (p0)->ip.adj_index[VLIB_RX] = ~0;
vnet_buffer (p1)->ip.adj_index[VLIB_RX] = ~0;
vnet_feature_arc_start (arc0, sw_if_index0, &next0, p0);
vnet_feature_arc_start (arc1, sw_if_index1, &next1, p1);
- vlib_increment_simple_counter (cm, cpu_index, sw_if_index0, 1);
- vlib_increment_simple_counter (cm, cpu_index, sw_if_index1, 1);
-
- error0 = error1 = IP6_ERROR_NONE;
-
- /* Version != 6? Drop it. */
- error0 =
- (clib_net_to_host_u32
- (ip0->ip_version_traffic_class_and_flow_label) >> 28) !=
- 6 ? IP6_ERROR_VERSION : error0;
- error1 =
- (clib_net_to_host_u32
- (ip1->ip_version_traffic_class_and_flow_label) >> 28) !=
- 6 ? IP6_ERROR_VERSION : error1;
-
- /* hop limit < 1? Drop it. for link-local broadcast packets,
- * like dhcpv6 packets from client has hop-limit 1, which should not
- * be dropped.
- */
- error0 = ip0->hop_limit < 1 ? IP6_ERROR_TIME_EXPIRED : error0;
- error1 = ip1->hop_limit < 1 ? IP6_ERROR_TIME_EXPIRED : error1;
-
- /* L2 length must be at least minimal IP header. */
- error0 =
- p0->current_length <
- sizeof (ip0[0]) ? IP6_ERROR_TOO_SHORT : error0;
- error1 =
- p1->current_length <
- sizeof (ip1[0]) ? IP6_ERROR_TOO_SHORT : error1;
-
- if (PREDICT_FALSE (error0 != IP6_ERROR_NONE))
- {
- if (error0 == IP6_ERROR_TIME_EXPIRED)
- {
- icmp6_error_set_vnet_buffer (p0, ICMP6_time_exceeded,
- ICMP6_time_exceeded_ttl_exceeded_in_transit,
- 0);
- next0 = IP6_INPUT_NEXT_ICMP_ERROR;
- }
- else
- {
- next0 = IP6_INPUT_NEXT_DROP;
- }
- }
- if (PREDICT_FALSE (error1 != IP6_ERROR_NONE))
- {
- if (error1 == IP6_ERROR_TIME_EXPIRED)
- {
- icmp6_error_set_vnet_buffer (p1, ICMP6_time_exceeded,
- ICMP6_time_exceeded_ttl_exceeded_in_transit,
- 0);
- next1 = IP6_INPUT_NEXT_ICMP_ERROR;
- }
- else
- {
- next1 = IP6_INPUT_NEXT_DROP;
- }
- }
-
- p0->error = error_node->errors[error0];
- p1->error = error_node->errors[error1];
+ vlib_increment_simple_counter (cm, thread_index, sw_if_index0, 1);
+ vlib_increment_simple_counter (cm, thread_index, sw_if_index1, 1);
+ ip6_input_check_x2 (vm, error_node,
+ p0, p1, ip0, ip1, &next0, &next1);
vlib_validate_buffer_enqueue_x2 (vm, node, next_index,
to_next, n_left_to_next,
vlib_buffer_t *p0;
ip6_header_t *ip0;
u32 pi0, sw_if_index0, next0 = 0;
- u8 error0, arc0;
+ u8 arc0;
pi0 = from[0];
to_next[0] = pi0;
ip0 = vlib_buffer_get_current (p0);
sw_if_index0 = vnet_buffer (p0)->sw_if_index[VLIB_RX];
- arc0 =
- ip6_address_is_multicast (&ip0->dst_address) ?
- lm->mcast_feature_arc_index : lm->ucast_feature_arc_index;
+ if (PREDICT_FALSE (ip6_address_is_multicast (&ip0->dst_address)))
+ {
+ arc0 = lm->mcast_feature_arc_index;
+ next0 = IP6_INPUT_NEXT_LOOKUP_MULTICAST;
+ }
+ else
+ {
+ arc0 = lm->ucast_feature_arc_index;
+ next0 = IP6_INPUT_NEXT_LOOKUP;
+ }
+
vnet_buffer (p0)->ip.adj_index[VLIB_RX] = ~0;
vnet_feature_arc_start (arc0, sw_if_index0, &next0, p0);
- vlib_increment_simple_counter (cm, cpu_index, sw_if_index0, 1);
- error0 = IP6_ERROR_NONE;
-
- /* Version != 6? Drop it. */
- error0 =
- (clib_net_to_host_u32
- (ip0->ip_version_traffic_class_and_flow_label) >> 28) !=
- 6 ? IP6_ERROR_VERSION : error0;
-
- /* hop limit < 1? Drop it. for link-local broadcast packets,
- * like dhcpv6 packets from client has hop-limit 1, which should not
- * be dropped.
- */
- error0 = ip0->hop_limit < 1 ? IP6_ERROR_TIME_EXPIRED : error0;
-
- /* L2 length must be at least minimal IP header. */
- error0 =
- p0->current_length <
- sizeof (ip0[0]) ? IP6_ERROR_TOO_SHORT : error0;
-
- if (PREDICT_FALSE (error0 != IP6_ERROR_NONE))
- {
- if (error0 == IP6_ERROR_TIME_EXPIRED)
- {
- icmp6_error_set_vnet_buffer (p0, ICMP6_time_exceeded,
- ICMP6_time_exceeded_ttl_exceeded_in_transit,
- 0);
- next0 = IP6_INPUT_NEXT_ICMP_ERROR;
- }
- else
- {
- next0 = IP6_INPUT_NEXT_DROP;
- }
- }
- p0->error = error_node->errors[error0];
+ vlib_increment_simple_counter (cm, thread_index, sw_if_index0, 1);
+ ip6_input_check_x1 (vm, error_node, p0, ip0, &next0);
vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
to_next, n_left_to_next,
return frame->n_vectors;
}
-static char *ip6_error_strings[] = {
+char *ip6_error_strings[] = {
#define _(sym,string) string,
foreach_ip6_error
#undef _
[IP6_INPUT_NEXT_DROP] = "error-drop",
[IP6_INPUT_NEXT_LOOKUP] = "ip6-lookup",
[IP6_INPUT_NEXT_ICMP_ERROR] = "ip6-icmp-error",
+ [IP6_INPUT_NEXT_LOOKUP_MULTICAST] = "ip6-mfib-forward-lookup",
},
.format_buffer = format_ip6_header,
Code Review / vpp.git / blobdiff