#include <vnet/ip/ip_packet.h>
#include <vnet/ip/ip4_packet.h>
#include <vnet/ip/ip6_packet.h>
+#include <vnet/fib/fib_node.h>
+#include <vnet/ethernet/arp_packet.h>
#include <vlib/cli.h>
#include <vnet/l2/l2_input.h>
#include <vnet/l2/l2_output.h>
return l2input_feat_names;
}
+u8 *
+format_l2_input_features (u8 * s, va_list * args)
+{
+ static char *display_names[] = {
+#define _(sym,name) #sym,
+ foreach_l2input_feat
+#undef _
+ };
+ u32 feature_bitmap = va_arg (*args, u32);
+
+ if (feature_bitmap == 0)
+ {
+ s = format (s, " none configured");
+ return s;
+ }
+
+ feature_bitmap &= ~L2INPUT_FEAT_DROP; /* Not a feature */
+ int i;
+ for (i = L2INPUT_N_FEAT; i >= 0; i--)
+ if (feature_bitmap & (1 << i))
+ s = format (s, "%10s (%s)\n", display_names[i], l2input_feat_names[i]);
+ return s;
+}
typedef struct
{
static_always_inline void
-classify_and_dispatch (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- u32 thread_index,
- l2input_main_t * msm, vlib_buffer_t * b0, u32 * next0)
+classify_and_dispatch (l2input_main_t * msm, vlib_buffer_t * b0, u32 * next0)
{
/*
* Load L2 input feature struct
if (ethertype != ETHERNET_TYPE_ARP &&
(ethertype != ETHERNET_TYPE_IP6 || protocol != IP_PROTOCOL_ICMP6))
feat_mask &= ~(L2INPUT_FEAT_ARP_TERM);
+
+ /*
+ * For packet from BVI - set SHG of ARP request or ICMPv6 neighbor
+ * solicitation packet from BVI to 0 so it can also flood to VXLAN
+ * tunnels or other ports with the same SHG as that of the BVI.
+ */
+ else if (PREDICT_FALSE (vnet_buffer (b0)->sw_if_index[VLIB_TX] ==
+ L2INPUT_BVI))
+ {
+ if (ethertype == ETHERNET_TYPE_ARP)
+ {
+ ethernet_arp_header_t *arp0 = (ethernet_arp_header_t *) l3h0;
+ if (arp0->opcode ==
+ clib_host_to_net_u16 (ETHERNET_ARP_OPCODE_request))
+ vnet_buffer (b0)->l2.shg = 0;
+ }
+ else /* must be ICMPv6 */
+ {
+ ip6_header_t *iph0 = (ip6_header_t *) l3h0;
+ icmp6_neighbor_solicitation_or_advertisement_header_t *ndh0;
+ ndh0 = ip6_next_header (iph0);
+ if (ndh0->icmp.type == ICMP6_neighbor_solicitation)
+ vnet_buffer (b0)->l2.shg = 0;
+ }
+ }
}
else
{
/*
- * Check for from-BVI processing - set SHG of unicast packets from BVI
- * to 0 so it is not dropped for VXLAN tunnels or other ports with the
+ * For packet from BVI - set SHG of unicast packet from BVI to 0 so it
+ * is not dropped on output to VXLAN tunnels or other ports with the
* same SHG as that of the BVI.
*/
if (PREDICT_FALSE (vnet_buffer (b0)->sw_if_index[VLIB_TX] ==
}
- if (config->xconnect)
- {
- /* Set the output interface */
- vnet_buffer (b0)->sw_if_index[VLIB_TX] = config->output_sw_if_index;
- }
- else
+ if (config->bridge)
{
/* Do bridge-domain processing */
bd_index0 = config->bd_index;
};
/* *INDENT-ON* */
vnet_buffer (b0)->l2.l2fib_sn = sn.as_u16;;
+ vnet_buffer (b0)->l2.bd_age = bd_config->mac_age;
/*
* Process bridge domain feature enables.
*/
feat_mask = feat_mask & bd_config->feature_bitmap;
}
+ else if (config->xconnect)
+ {
+ /* Set the output interface */
+ vnet_buffer (b0)->sw_if_index[VLIB_TX] = config->output_sw_if_index;
+ }
+ else
+ feat_mask = L2INPUT_FEAT_DROP;
/* mask out features from bitmap using packet type and bd config */
feature_bitmap = config->feature_bitmap & feat_mask;
u32 n_left_from, *from, *to_next;
l2input_next_t next_index;
l2input_main_t *msm = &l2input_main;
- u32 thread_index = vlib_get_thread_index ();
from = vlib_frame_vector_args (frame);
n_left_from = frame->n_vectors; /* number of packets to process */
vlib_node_increment_counter (vm, l2input_node.index,
L2INPUT_ERROR_L2INPUT, 4);
- classify_and_dispatch (vm, node, thread_index, msm, b0, &next0);
- classify_and_dispatch (vm, node, thread_index, msm, b1, &next1);
- classify_and_dispatch (vm, node, thread_index, msm, b2, &next2);
- classify_and_dispatch (vm, node, thread_index, msm, b3, &next3);
+ classify_and_dispatch (msm, b0, &next0);
+ classify_and_dispatch (msm, b1, &next1);
+ classify_and_dispatch (msm, b2, &next2);
+ classify_and_dispatch (msm, b3, &next3);
/* verify speculative enqueues, maybe switch current next frame */
/* if next0==next1==next_index then nothing special needs to be done */
vlib_node_increment_counter (vm, l2input_node.index,
L2INPUT_ERROR_L2INPUT, 1);
- classify_and_dispatch (vm, node, thread_index, msm, b0, &next0);
+ classify_and_dispatch (msm, b0, &next0);
/* verify speculative enqueue, maybe switch current next frame */
vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
l2_output_config_t *out_config;
l2_input_config_t *config;
l2_bridge_domain_t *bd_config;
- u64 mac;
i32 l2_if_adjust = 0;
u32 slot;
config->bvi = 0;
/* delete the l2fib entry for the bvi interface */
- mac = *((u64 *) hi->hw_address);
- l2fib_del_entry (mac, config->bd_index);
+ l2fib_del_entry (hi->hw_address, config->bd_index);
/* Make loop output node send packet back to ethernet-input node */
slot =
}
/* Make sure vector is big enough */
- vec_validate_init_empty (l2om->next_nodes.output_node_index_vec,
- sw_if_index, L2OUTPUT_NEXT_DROP);
+ vec_validate_init_empty (l2om->output_node_index_vec, sw_if_index,
+ L2OUTPUT_NEXT_DROP);
/* Initialize the l2-input configuration for the interface */
if (mode == MODE_L3)
/* Make sure any L2-output packet to this interface now in L3 mode is
* dropped. This may happen if L2 FIB MAC entry is stale */
- l2om->next_nodes.output_node_index_vec[sw_if_index] =
- L2OUTPUT_NEXT_BAD_INTF;
+ l2om->output_node_index_vec[sw_if_index] = L2OUTPUT_NEXT_BAD_INTF;
}
else
{
config->bvi = 1;
/* create the l2fib entry for the bvi interface */
- mac = *((u64 *) hi->hw_address);
- l2fib_add_fwd_entry (mac, bd_index, sw_if_index, 1, 1); /* static + bvi */
+ l2fib_add_fwd_entry (hi->hw_address, bd_index, sw_if_index, 1, 1); /* static + bvi */
/* Disable learning by default. no use since l2fib entry is static. */
config->feature_bitmap &= ~L2INPUT_FEAT_LEARN;
_(l2_input_classify_init) \
_(l2bd_init) \
_(l2fwd_init) \
-_(l2_inacl_init) \
+_(l2_in_out_acl_init) \
_(l2input_init) \
_(l2_vtr_init) \
_(l2_invtr_init) \
_(l2_efp_filter_init) \
_(l2learn_init) \
_(l2flood_init) \
-_(l2_outacl_init) \
_(l2output_init) \
_(l2_patch_init) \
_(l2_xcrw_init)
Code Review / vpp.git / blobdiff