#include <vppinfra/mhash.h>
#include <vppinfra/md5.h>
#include <vnet/adj/adj.h>
+#include <vnet/adj/adj_mcast.h>
#include <vnet/fib/fib_table.h>
#include <vnet/fib/ip6_fib.h>
u32 seed;
u64 randomizer;
int ref_count;
- adj_index_t all_nodes_adj_index;
- adj_index_t all_routers_adj_index;
- adj_index_t all_mldv2_routers_adj_index;
+ adj_index_t mcast_adj_index;
/* timing information */
#define DEF_MAX_RADV_INTERVAL 200
/* Link local address to use (defaults to underlying physical for logical interfaces */
ip6_address_t link_local_address;
- u8 link_local_prefix_len;
-
} ip6_radv_t;
typedef struct
nbr = ip6_nd_find (sw_if_index, &adj->sub_type.nbr.next_hop.ip6);
- if (NULL != nbr)
- {
- adj_nbr_walk_nh6 (sw_if_index, &nbr->key.ip6_address,
- ip6_nd_mk_complete_walk, nbr);
- }
- else
+ switch (adj->lookup_next_index)
{
+ case IP_LOOKUP_NEXT_ARP:
+ case IP_LOOKUP_NEXT_GLEAN:
+ if (NULL != nbr)
+ {
+ adj_nbr_walk_nh6 (sw_if_index, &nbr->key.ip6_address,
+ ip6_nd_mk_complete_walk, nbr);
+ }
+ else
+ {
+ /*
+ * no matching ND entry.
+ * construct the rewrite required to for an ND packet, and stick
+ * that in the adj's pipe to smoke.
+ */
+ adj_nbr_update_rewrite (ai,
+ ADJ_NBR_REWRITE_FLAG_INCOMPLETE,
+ ethernet_build_rewrite (vnm,
+ sw_if_index,
+ VNET_LINK_IP6,
+ VNET_REWRITE_FOR_SW_INTERFACE_ADDRESS_BROADCAST));
+
+ /*
+ * since the FIB has added this adj for a route, it makes sense it may
+ * want to forward traffic sometime soon. Let's send a speculative ND.
+ * just one. If we were to do periodically that wouldn't be bad either,
+ * but that's more code than i'm prepared to write at this time for
+ * relatively little reward.
+ */
+ ip6_nbr_probe (adj);
+ }
+ break;
+ case IP_LOOKUP_NEXT_MCAST:
/*
- * no matching ND entry.
- * construct the rewrite required to for an ND packet, and stick
- * that in the adj's pipe to smoke.
+ * Construct a partial rewrite from the known ethernet mcast dest MAC
*/
- adj_nbr_update_rewrite (ai,
- ADJ_NBR_REWRITE_FLAG_INCOMPLETE,
- ethernet_build_rewrite (vnm,
- sw_if_index,
- VNET_LINK_IP6,
- VNET_REWRITE_FOR_SW_INTERFACE_ADDRESS_BROADCAST));
+ adj_mcast_update_rewrite
+ (ai,
+ ethernet_build_rewrite (vnm,
+ sw_if_index,
+ adj->ia_link,
+ ethernet_ip6_mcast_dst_addr ()));
/*
- * since the FIB has added this adj for a route, it makes sense it may
- * want to forward traffic sometime soon. Let's send a speculative ND.
- * just one. If we were to do periodically that wouldn't be bad either,
- * but that's more code than i'm prepared to write at this time for
- * relatively little reward.
+ * Complete the remaining fields of the adj's rewrite to direct the
+ * complete of the rewrite at switch time by copying in the IP
+ * dst address's bytes.
+ * Ofset is 12 bytes from the end of the MAC header - which is 2
+ * bytes into the desintation address. And we write 4 bytes.
*/
- ip6_nbr_probe (adj);
+ adj->rewrite_header.dst_mcast_offset = 12;
+ adj->rewrite_header.dst_mcast_n_bytes = 4;
+
+ break;
+
+ case IP_LOOKUP_NEXT_DROP:
+ case IP_LOOKUP_NEXT_PUNT:
+ case IP_LOOKUP_NEXT_LOCAL:
+ case IP_LOOKUP_NEXT_REWRITE:
+ case IP_LOOKUP_NEXT_LOAD_BALANCE:
+ case IP_LOOKUP_NEXT_MIDCHAIN:
+ case IP_LOOKUP_NEXT_ICMP_ERROR:
+ case IP_LOOKUP_N_NEXT:
+ ASSERT (0);
+ break;
}
}
/* for solicited adverts - need to rate limit */
if (is_solicitation)
{
- if ((now - radv_info->last_radv_time) <
+ if (0 != radv_info->last_radv_time &&
+ (now - radv_info->last_radv_time) <
MIN_DELAY_BETWEEN_RAS)
is_dropped = 1;
else
}
else
{
- adj_index0 = radv_info->all_nodes_adj_index;
+ adj_index0 = radv_info->mcast_adj_index;
if (adj_index0 == 0)
error0 = ICMP6_ERROR_DST_LOOKUP_MISS;
else
{
- ip_adjacency_t *adj0 =
- ip_get_adjacency (&im->lookup_main,
- adj_index0);
- error0 =
- ((adj0->rewrite_header.sw_if_index !=
- sw_if_index0
- || adj0->lookup_next_index !=
- IP_LOOKUP_NEXT_REWRITE) ?
- ICMP6_ERROR_ROUTER_SOLICITATION_DEST_UNKNOWN
- : error0);
next0 =
is_dropped ? next0 :
ICMP6_ROUTER_SOLICITATION_NEXT_REPLY_RW;
ip6_radv_prefix_t *p;
ip6_mldp_group_t *m;
- /* remove adjacencies */
- adj_unlock (a->all_nodes_adj_index);
- adj_unlock (a->all_routers_adj_index);
- adj_unlock (a->all_mldv2_routers_adj_index);
+ /* release the lock on the interface's mcast adj */
+ adj_unlock (a->mcast_adj_index);
/* clean up prefix_pool */
/* *INDENT-OFF* */
/* fill in default link-local address (this may be overridden) */
ip6_link_local_address_from_ethernet_address
(&a->link_local_address, eth_if0->address);
- a->link_local_prefix_len = 64;
mhash_init (&a->address_to_prefix_index, sizeof (uword),
sizeof (ip6_address_t));
mhash_init (&a->address_to_mldp_index, sizeof (uword),
sizeof (ip6_address_t));
- {
- u8 link_layer_address[6] = { 0x33, 0x33, 0x00, 0x00, 0x00,
- IP6_MULTICAST_GROUP_ID_all_hosts
- };
-
- a->all_nodes_adj_index =
- adj_rewrite_add_and_lock (FIB_PROTOCOL_IP6, VNET_LINK_IP6,
- sw_if_index, link_layer_address);
- }
-
- {
- u8 link_layer_address[6] = { 0x33, 0x33, 0x00, 0x00, 0x00,
- IP6_MULTICAST_GROUP_ID_all_routers
- };
-
- a->all_routers_adj_index =
- adj_rewrite_add_and_lock (FIB_PROTOCOL_IP6, VNET_LINK_IP6,
- sw_if_index, link_layer_address);
- }
-
- {
- u8 link_layer_address[6] = { 0x33, 0x33, 0x00, 0x00, 0x00,
- IP6_MULTICAST_GROUP_ID_mldv2_routers
- };
-
- a->all_mldv2_routers_adj_index =
- adj_rewrite_add_and_lock (FIB_PROTOCOL_IP6,
- VNET_LINK_IP6,
- sw_if_index, link_layer_address);
- }
+ a->mcast_adj_index = adj_mcast_add_or_lock (FIB_PROTOCOL_IP6,
+ VNET_LINK_IP6,
+ sw_if_index);
/* add multicast groups we will always be reporting */
ip6_address_t addr;
vnet_buffer (b0)->sw_if_index[VLIB_RX] =
vnet_main.local_interface_sw_if_index;
- vnet_buffer (b0)->ip.adj_index[VLIB_TX] =
- radv_info->all_mldv2_routers_adj_index;
+ vnet_buffer (b0)->ip.adj_index[VLIB_TX] = radv_info->mcast_adj_index;
b0->flags |= VNET_BUFFER_LOCALLY_ORIGINATED;
- vlib_node_t *node = vlib_get_node_by_name (vm, (u8 *) "ip6-rewrite");
+ vlib_node_t *node = vlib_get_node_by_name (vm, (u8 *) "ip6-rewrite-mcast");
f = vlib_get_frame_to_node (vm, node->index);
to_next = vlib_frame_vector_args (f);
.n_next_nodes = ICMP6_ROUTER_SOLICITATION_N_NEXT,
.next_nodes = {
[ICMP6_ROUTER_SOLICITATION_NEXT_DROP] = "error-drop",
- [ICMP6_ROUTER_SOLICITATION_NEXT_REPLY_RW] = "ip6-rewrite",
+ [ICMP6_ROUTER_SOLICITATION_NEXT_REPLY_RW] = "ip6-rewrite-mcast",
[ICMP6_ROUTER_SOLICITATION_NEXT_REPLY_TX] = "interface-output",
},
};
/* essentially "disables" ipv6 on this interface */
error = ip6_add_del_interface_address (vm, sw_if_index,
&radv_info->
- link_local_address,
- radv_info->
- link_local_prefix_len,
+ link_local_address, 128,
1 /* is_del */ );
ip6_neighbor_sw_interface_add_del (vnm, sw_if_index,
else
{
radv_info->link_local_address = link_local_address;
- radv_info->link_local_prefix_len = 64;
}
}
}
clib_error_t *
set_ip6_link_local_address (vlib_main_t * vm,
- u32 sw_if_index,
- ip6_address_t * address, u8 address_length)
+ u32 sw_if_index, ip6_address_t * address)
{
clib_error_t *error = 0;
ip6_neighbor_main_t *nm = &ip6_neighbor_main;
/* delete the old one */
error = ip6_add_del_interface_address (vm, sw_if_index,
&radv_info->link_local_address,
- radv_info->link_local_prefix_len
- /* address width */ ,
- 1 /* is_del */ );
+ 128, 1 /* is_del */ );
if (!error)
{
/* add the new one */
error = ip6_add_del_interface_address (vm, sw_if_index,
- address, address_length
- /* address width */ ,
+ address, 128,
0 /* is_del */ );
if (!error)
{
radv_info->link_local_address = *address;
- radv_info->link_local_prefix_len = address_length;
}
}
}
clib_error_t *error = 0;
u32 sw_if_index;
ip6_address_t ip6_addr;
- u32 addr_len = 0;
if (unformat_user (input, unformat_vnet_sw_interface, vnm, &sw_if_index))
{
/* get the rest of the command */
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
- if (unformat (input, "%U/%d",
- unformat_ip6_address, &ip6_addr, &addr_len))
+ if (unformat (input, "%U", unformat_ip6_address, &ip6_addr))
break;
else
return (unformat_parse_error (input));
}
}
- error = set_ip6_link_local_address (vm, sw_if_index, &ip6_addr, addr_len);
+ error = set_ip6_link_local_address (vm, sw_if_index, &ip6_addr);
return error;
}
*
* @cliexpar
* Example of how to assign an IPv6 Link-local address to an interface:
- * @cliexcmd{set ip6 link-local address GigabitEthernet2/0/0 FE80::AB8/64}
+ * @cliexcmd{set ip6 link-local address GigabitEthernet2/0/0 FE80::AB8}
?*/
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (set_ip6_link_local_address_command, static) =
{
.path = "set ip6 link-local address",
- .short_help = "set ip6 link-local address <interface> <ip6-address>/<width>",
+ .short_help = "set ip6 link-local address <interface> <ip6-address>",
.function = set_ip6_link_local_address_cmd,
};
/* *INDENT-ON* */
Code Review / vpp.git / blobdiff