diff options
Diffstat (limited to 'src/vnet/ethernet/arp.c')
| -rw-r--r-- | src/vnet/ethernet/arp.c | 77 |
1 files changed, 52 insertions, 25 deletions
diff --git a/src/vnet/ethernet/arp.c b/src/vnet/ethernet/arp.c index 957706c15e2..2f3aa6c73ac 100644 --- a/src/vnet/ethernet/arp.c +++ b/src/vnet/ethernet/arp.c @@ -92,6 +92,8 @@ typedef struct /* Proxy arp vector */ ethernet_proxy_arp_t *proxy_arps; + + uword wc_ip4_arp_publisher_node; } ethernet_arp_main_t; static ethernet_arp_main_t ethernet_arp_main; @@ -106,6 +108,7 @@ typedef struct #define ETHERNET_ARP_ARGS_REMOVE (1<<0) #define ETHERNET_ARP_ARGS_FLUSH (1<<1) #define ETHERNET_ARP_ARGS_POPULATE (1<<2) +#define ETHERNET_ARP_ARGS_WC_PUB (1<<3) } vnet_arp_set_ip4_over_ethernet_rpc_args_t; static const u8 vrrp_prefix[] = { 0x00, 0x00, 0x5E, 0x00, 0x01 }; @@ -540,7 +543,7 @@ arp_adj_fib_add (ethernet_arp_ip4_entry_t * e, u32 fib_index) fib_table_lock (fib_index, FIB_PROTOCOL_IP4, FIB_SOURCE_ADJ); } -int +static int vnet_arp_set_ip4_over_ethernet_internal (vnet_main_t * vnm, vnet_arp_set_ip4_over_ethernet_rpc_args_t * args) @@ -1507,6 +1510,49 @@ vnet_arp_populate_ip4_over_ethernet (vnet_main_t * vnm, return 0; } +/** + * @brief publish wildcard arp event + * @param sw_if_index The interface on which the ARP entires are acted + */ +static int +vnet_arp_wc_publish (u32 sw_if_index, void *a_arg) +{ + ethernet_arp_ip4_over_ethernet_address_t *a = a_arg; + vnet_arp_set_ip4_over_ethernet_rpc_args_t args = { + .flags = ETHERNET_ARP_ARGS_WC_PUB, + .sw_if_index = sw_if_index, + .a = *a + }; + + vl_api_rpc_call_main_thread (set_ip4_over_ethernet_rpc_callback, + (u8 *) & args, sizeof (args)); + return 0; +} + +static void +vnet_arp_wc_publish_internal (vnet_main_t * vnm, + vnet_arp_set_ip4_over_ethernet_rpc_args_t * + args) +{ + vlib_main_t *vm = vlib_get_main (); + ethernet_arp_main_t *am = ðernet_arp_main; + if (am->wc_ip4_arp_publisher_node == (uword) ~ 0) + return; + wc_arp_report_t *r = + vlib_process_signal_event_data (vm, am->wc_ip4_arp_publisher_node, 1, 1, + sizeof *r); + r->ip4 = args->a.ip4.as_u32; + r->sw_if_index = args->sw_if_index; + memcpy (r->mac, args->a.ethernet, sizeof r->mac); +} + +void +wc_arp_set_publisher_node (uword node_index) +{ + ethernet_arp_main_t *am = ðernet_arp_main; + am->wc_ip4_arp_publisher_node = node_index; +} + /* * arp_add_del_interface_address * @@ -1652,6 +1698,7 @@ ethernet_arp_init (vlib_main_t * vm) am->pending_resolutions_by_address = hash_create (0, sizeof (uword)); am->mac_changes_by_address = hash_create (0, sizeof (uword)); + am->wc_ip4_arp_publisher_node = (uword) ~ 0; /* don't trace ARP error packets */ { @@ -1795,6 +1842,8 @@ set_ip4_over_ethernet_rpc_callback (vnet_arp_set_ip4_over_ethernet_rpc_args_t vnet_arp_flush_ip4_over_ethernet_internal (vm, a); else if (a->flags & ETHERNET_ARP_ARGS_POPULATE) vnet_arp_populate_ip4_over_ethernet_internal (vm, a); + else if (a->flags & ETHERNET_ARP_ARGS_WC_PUB) + vnet_arp_wc_publish_internal (vm, a); else vnet_arp_set_ip4_over_ethernet_internal (vm, a); } @@ -2277,31 +2326,9 @@ arp_term_l2bd (vlib_main_t * vm, /* Check if anyone want ARP request events for L2 BDs */ { - pending_resolution_t *mc; ethernet_arp_main_t *am = ðernet_arp_main; - uword *p = hash_get (am->mac_changes_by_address, 0); - if (p) - { - u32 next_index = p[0]; - while (next_index != (u32) ~ 0) - { - int (*fp) (u32, u8 *, u32, u32); - int rv = 1; - mc = pool_elt_at_index (am->mac_changes, next_index); - fp = mc->data_callback; - /* Call the callback, return 1 to suppress dup events */ - if (fp) - rv = (*fp) (mc->data, - arp0->ip4_over_ethernet[0].ethernet, - sw_if_index0, - arp0->ip4_over_ethernet[0].ip4.as_u32); - /* Signal the resolver process */ - if (rv == 0) - vlib_process_signal_event (vm, mc->node_index, - mc->type_opaque, mc->data); - next_index = mc->next_index; - } - } + if (am->wc_ip4_arp_publisher_node != (uword) ~ 0) + vnet_arp_wc_publish (sw_if_index0, &arp0->ip4_over_ethernet[0]); } /* lookup BD mac_by_ip4 hash table for MAC entry */ |