#include <vnet/adj/adj_nbr.h>
#include <vnet/adj/adj_mcast.h>
#include <vnet/mpls/mpls.h>
+#include <vnet/l2/feat_bitmap.h>
/**
* @file
arp_nbr_probe (adj);
}
break;
+ case IP_LOOKUP_NEXT_BCAST:
+ adj_nbr_update_rewrite (ai,
+ ADJ_NBR_REWRITE_FLAG_COMPLETE,
+ ethernet_build_rewrite
+ (vnm,
+ sw_if_index,
+ VNET_LINK_IP4,
+ VNET_REWRITE_FOR_SW_INTERFACE_ADDRESS_BROADCAST));
+ break;
case IP_LOOKUP_NEXT_MCAST:
{
/*
/* Refuse to over-write static arp. */
if (!is_static && (e->flags & ETHERNET_ARP_IP4_ENTRY_FLAG_STATIC))
- return -2;
+ {
+ /* if MAC address match, still check to send event */
+ if (0 == memcmp (e->ethernet_address,
+ a->ethernet, sizeof (e->ethernet_address)))
+ goto check_customers;
+ return -2;
+ }
make_new_arp_cache_entry = 0;
}
}
goto check_customers;
}
- /* Update time stamp and ethernet address. */
+ /* Update ethernet address. */
clib_memcpy (e->ethernet_address, a->ethernet,
sizeof (e->ethernet_address));
}
+ /* Update time stamp and flags. */
e->time_last_updated = vlib_time_now (vm);
if (is_static)
{
vnet_hw_interface_t *hw_if0;
ethernet_arp_header_t *arp0;
ethernet_header_t *eth_rx, *eth_tx;
- ip4_address_t *if_addr0, proxy_src;
+ const ip4_address_t *if_addr0;
+ ip4_address_t proxy_src;
u32 pi0, error0, next0, sw_if_index0, conn_sw_if_index0, fib_index0;
u8 is_request0, dst_is_local0, is_unnum0, is_vrrp_reply0;
ethernet_proxy_arp_t *pa;
fib_node_index_t dst_fei, src_fei;
- fib_prefix_t pfx0;
+ const fib_prefix_t *pfx0;
fib_entry_flag_t src_flags, dst_flags;
u8 *rewrite0, rewrite0_len;
* to reach us, they only affect how we reach the sender.
*/
fib_entry_t *src_fib_entry;
+ const fib_prefix_t *pfx;
fib_entry_src_t *src;
fib_source_t source;
- fib_prefix_t pfx;
int attached;
int mask;
/*
* shorter mask lookup for the next iteration.
*/
- fib_entry_get_prefix (src_fei, &pfx);
- mask = pfx.fp_len - 1;
+ pfx = fib_entry_get_prefix (src_fei);
+ mask = pfx->fp_len - 1;
/*
* continue until we hit the default route or we find
}
dst_is_local0 = (FIB_ENTRY_FLAG_LOCAL & dst_flags);
- fib_entry_get_prefix (dst_fei, &pfx0);
- if_addr0 = &pfx0.fp_addr.ip4;
+ pfx0 = fib_entry_get_prefix (dst_fei);
+ if_addr0 = &pfx0->fp_addr.ip4;
is_vrrp_reply0 =
((arp0->opcode ==
ethertype0 = clib_net_to_host_u16 (*(u16 *) (l3h0 - 2));
arp0 = (ethernet_arp_header_t *) l3h0;
- if (PREDICT_FALSE ((ethertype0 != ETHERNET_TYPE_ARP) ||
- (arp0->opcode !=
- clib_host_to_net_u16
- (ETHERNET_ARP_OPCODE_request))))
+ if (ethertype0 != ETHERNET_TYPE_ARP)
+ goto check_ip6_nd;
+
+ if ((arp0->opcode !=
+ clib_host_to_net_u16 (ETHERNET_ARP_OPCODE_request)) &&
+ (arp0->opcode !=
+ clib_host_to_net_u16 (ETHERNET_ARP_OPCODE_reply)))
goto check_ip6_nd;
- /* Must be ARP request packet here */
+ /* Must be ARP request/reply packet here */
if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE) &&
(p0->flags & VLIB_BUFFER_IS_TRACED)))
{
clib_memcpy (t0, l3h0, sizeof (ethernet_arp_input_trace_t));
}
- error0 = ETHERNET_ARP_ERROR_replies_sent;
+ error0 = 0;
error0 =
(arp0->l2_type !=
clib_net_to_host_u16 (ETHERNET_ARP_HARDWARE_TYPE_ethernet)
sizeof (eth0->src_address)) ||
ethernet_address_cast (arp0->ip4_over_ethernet[0].ethernet)))
{
- error0 = ETHERNET_ARP_ERROR_l2_address_mismatch;
- goto drop;
+ /* VRRP virtual MAC may be different to SMAC in ARP reply */
+ if (memcmp (arp0->ip4_over_ethernet[0].ethernet, vrrp_prefix,
+ sizeof (vrrp_prefix)))
+ {
+ error0 = ETHERNET_ARP_ERROR_l2_address_mismatch;
+ goto drop;
+ }
}
if (PREDICT_FALSE
(ip4_address_is_multicast (&arp0->ip4_over_ethernet[0].ip4)))