}
}
+int ip_register_adjacency(vlib_main_t *vm,
+ u8 is_ip4,
+ ip_adj_register_t *reg)
+{
+ ip_lookup_main_t *lm = (is_ip4)?&ip4_main.lookup_main:&ip6_main.lookup_main;
+ vlib_node_t *node = vlib_get_node_by_name (vm, (u8 *) ((is_ip4)?"ip4-lookup":"ip6-lookup"));
+ vlib_node_t *next_node = vlib_get_node_by_name(vm, (u8 *) reg->node_name);
+ *reg->next_index = vlib_node_add_next (vm, node->index, next_node->index);
+ vec_validate(lm->registered_adjacencies, *reg->next_index);
+ lm->registered_adjacencies[*reg->next_index] = *reg;
+ return 0;
+}
+
+int ip_init_registered_adjacencies(u8 is_ip4)
+{
+ vlib_main_t *vm = vlib_get_main();
+ ip_lookup_main_t *lm = (is_ip4)?&ip4_main.lookup_main:&ip6_main.lookup_main;
+ ip_adj_register_t *reg = lm->registered_adjacencies;
+ lm->registered_adjacencies = 0; //Init vector
+ int rv;
+ while (reg) {
+ if((rv = ip_register_adjacency(vm, is_ip4, reg)))
+ return rv;
+ reg = reg->next;
+ }
+ return 0;
+}
+
/* Create new block of given number of contiguous adjacencies. */
ip_adjacency_t *
ip_add_adjacency (ip_lookup_main_t * lm,
adj[i].mcast_group_index = ~0;
adj[i].classify.table_index = ~0;
adj[i].saved_lookup_next_index = 0;
+ adj[i].special_adjacency_format_function_index = 0;
if (copy_adj)
- adj[i] = copy_adj[i];
+ adj[i] = copy_adj[i];
adj[i].heap_handle = handle;
adj[i].n_adj = n_adj;
lm->builtin_protocol_by_ip_protocol[IP_PROTOCOL_UDP] = IP_BUILTIN_PROTOCOL_UDP;
lm->builtin_protocol_by_ip_protocol[is_ip6 ? IP_PROTOCOL_ICMP6 : IP_PROTOCOL_ICMP] = IP_BUILTIN_PROTOCOL_ICMP;
}
+
+ ip_init_registered_adjacencies(!is_ip6);
}
u8 * format_ip_flow_hash_config (u8 * s, va_list * args)
{
u32 flow_hash_config = va_arg (*args, u32);
-
+
#define _(n,v) if (flow_hash_config & v) s = format (s, "%s ", #n);
foreach_flow_hash_bit;
#undef _
u8 * format_ip_lookup_next (u8 * s, va_list * args)
{
- ip_lookup_next_t n = va_arg (*args, ip_lookup_next_t);
+ ip_lookup_main_t * lm = va_arg (*args, ip_lookup_main_t *);
+ ip_lookup_next_t n = va_arg (*args, u32);
+ ip_adj_register_t *reg;
+
char * t = 0;
switch (n)
{
default:
- s = format (s, "unknown %d", n);
+ vec_validate(lm->registered_adjacencies, n);
+ reg = vec_elt_at_index(lm->registered_adjacencies, n);
+ if (reg->node_name) {
+ s = format (s, "%s:", reg->node_name);
+ }
return s;
case IP_LOOKUP_NEXT_MISS: t = "miss"; break;
case IP_LOOKUP_NEXT_CLASSIFY: t = "classify"; break;
case IP_LOOKUP_NEXT_MAP: t = "map"; break;
case IP_LOOKUP_NEXT_MAP_T: t = "map-t"; break;
- case IP_LOOKUP_NEXT_SIXRD: t = "sixrd"; break;
case IP_LOOKUP_NEXT_INDIRECT: t="indirect"; break;
case IP_LOOKUP_NEXT_REWRITE:
break;
return format (s, "%U", format_ip4_address_and_length, a, ia->address_length);
}
+u32 vnet_register_special_adjacency_format_function
+(ip_lookup_main_t * lm, format_function_t * fp)
+{
+ u32 rv;
+ /*
+ * Initialize the format function registration vector
+ * Index 0 must be invalid, to avoid finding and fixing trivial bugs
+ * all over the place
+ */
+ if (vec_len (lm->special_adjacency_format_functions) == 0)
+ {
+ vec_add1 (lm->special_adjacency_format_functions,
+ (format_function_t *) 0);
+ }
+
+ rv = vec_len (lm->special_adjacency_format_functions);
+ vec_add1 (lm->special_adjacency_format_functions, fp);
+ return rv;
+}
+
+/** @brief Pretty print helper function for formatting specific adjacencies.
+ @param s - input string to format
+ @param args - other args passed to format function such as:
+ - vnet_main_t
+ - ip_lookup_main_t
+ - adj_index
+*/
u8 * format_ip_adjacency (u8 * s, va_list * args)
{
vnet_main_t * vnm = va_arg (*args, vnet_main_t *);
ip_lookup_main_t * lm = va_arg (*args, ip_lookup_main_t *);
u32 adj_index = va_arg (*args, u32);
ip_adjacency_t * adj = ip_get_adjacency (lm, adj_index);
+ ip_adj_register_t *reg;
+ if (adj->lookup_next_index < vec_len (lm->registered_adjacencies))
+ {
+ reg = vec_elt_at_index(lm->registered_adjacencies,
+ adj->lookup_next_index);
+ if (reg->fn)
+ {
+ s = format(s, " %U", reg->fn, lm, adj);
+ goto format_done;
+ }
+ }
+
switch (adj->lookup_next_index)
{
case IP_LOOKUP_NEXT_REWRITE:
s = format (s, "%U",
format_vnet_rewrite,
- vnm->vlib_main, &adj->rewrite_header, sizeof (adj->rewrite_data));
+ vnm->vlib_main, &adj->rewrite_header,
+ sizeof (adj->rewrite_data));
break;
-
+
+ case IP_LOOKUP_NEXT_ARP:
+ if (adj->if_address_index != ~0)
+ s = format (s, " %U", format_ip_interface_address, lm,
+ adj->if_address_index);
+ if (adj->arp.next_hop.ip6.as_u64[0] || adj->arp.next_hop.ip6.as_u64[1])
+ s = format (s, " via %U", format_ip46_address,
+ &adj->arp.next_hop, IP46_TYPE_ANY);
+ break;
+ case IP_LOOKUP_NEXT_LOCAL:
+ if (adj->if_address_index != ~0)
+ s = format (s, " %U", format_ip_interface_address, lm,
+ adj->if_address_index);
+ break;
+
+ case IP_LOOKUP_NEXT_CLASSIFY:
+ s = format (s, " table %d", adj->classify.table_index);
+ break;
+ case IP_LOOKUP_NEXT_INDIRECT:
+ s = format (s, " via %U", format_ip46_address,
+ &adj->indirect.next_hop, IP46_TYPE_ANY);
+ break;
+
default:
- s = format (s, "%U", format_ip_lookup_next, adj->lookup_next_index);
- if (adj->lookup_next_index == IP_LOOKUP_NEXT_ARP)
- s = format (s, " %U",
- format_vnet_sw_interface_name,
- vnm,
- vnet_get_sw_interface (vnm, adj->rewrite_header.sw_if_index));
- switch (adj->lookup_next_index)
- {
- case IP_LOOKUP_NEXT_ARP:
- if (adj->if_address_index != ~0)
- s = format (s, " %U", format_ip_interface_address, lm, adj->if_address_index);
- if (adj->arp.next_hop.ip6.as_u64[0] || adj->arp.next_hop.ip6.as_u64[1])
- s = format (s, " via %U", format_ip46_address, &adj->arp.next_hop);
- break;
- case IP_LOOKUP_NEXT_LOCAL:
- if (adj->if_address_index != ~0)
- s = format (s, " %U", format_ip_interface_address, lm, adj->if_address_index);
- break;
-
- case IP_LOOKUP_NEXT_CLASSIFY:
- s = format (s, " table %d", adj->classify.table_index);
-
- case IP_LOOKUP_NEXT_INDIRECT:
- s = format (s, " via %U", format_ip46_address, &adj->indirect.next_hop);
- default:
- break;
- }
+ s = format (s, " unknown %d", adj->lookup_next_index);
break;
}
+
+ format_done:
if (adj->explicit_fib_index != ~0 && adj->explicit_fib_index != 0)
s = format (s, " lookup fib index %d", adj->explicit_fib_index);
if (adj->share_count > 0)
.short_help = "Internet protocol version 6 (IP6) show commands",
};
+/*?
+ * To add or delete routes, use ip route add / del
+ * @cliexpar
+ * @cliexstart{ip route}
+ * To add or delete straightforward static routes, use ip route add / del:
+ * vpp# ip route add 6.0.1.2/32 via 6.0.0.1 GigabitEthernet2/0/0
+ * vpp# ip route del 6.0.1.2/32 via 6.0.0.1 GigabitEthernet2/0/0
+ *
+ * Multiple routes
+ *
+ * Mainly for route add/del performance testing, one can add or delete
+ * multiple routes by adding 'count N' to the previous item:
+ * vpp# ip route add count 10 7.0.0.0/24 via 6.0.0.1 GigabitEthernet2/0/0
+ *
+ * Multipath
+ *
+ * Add multiple routes for the same destination to create equal-cost multipath:
+ * vpp# ip route add 7.0.0.1/32 via 6.0.0.1 GigabitEthernet2/0/0
+ * vpp# ip route add 7.0.0.1/32 via 6.0.0.2 GigabitEthernet2/0/0
+ *
+ * For unequal-cost multipath, specify the desired weights:
+ * vpp# ip route add 7.0.0.1/32 via 6.0.0.1 GigabitEthernet2/0/0 weight 1
+ * vpp# ip route add 7.0.0.1/32 via 6.0.0.2 GigabitEthernet2/0/0 weight 3
+ *
+ * This combination of weights results in 3/4 of the traffic following the second path, 1/4 following the first path.
+ * @cliexend
+ ?*/
VLIB_CLI_COMMAND (ip_route_command, static) = {
.path = "ip route",
.short_help = "Add/delete IP routes",
return 0;
}
+/*?
+ * Show FIB/route entries
+ *
+ * @cliexpar
+ * @cliexstart{show ip fib}
+ * Display the IPv4 FIB.
+ * This command will run for a long time when the FIBs comprise millions of entries.
+ * vpp# sh ip fib
+ * Table 0
+ * Destination Packets Bytes Adjacency
+ * 6.0.0.0/8 0 0 weight 1, index 3
+ * arp fake-eth0 6.0.0.1/8
+ * 6.0.0.1/32 0 0 weight 1, index 4
+ * local 6.0.0.1/8
+ *
+ * And so forth. Use 'show ip fib summary' for a summary:
+ *
+ * vpp# sh ip fib summary
+ * Table 0
+ * Prefix length Count
+ * 8 1
+ * 32 4
+ * @cliexend
+ ?*/
VLIB_CLI_COMMAND (ip4_show_fib_command, static) = {
.path = "show ip fib",
.short_help = "show ip fib [mtrie] [summary] [table <n>] [<ip4-addr>] [clear] [include-empty]",
return 0;
}
+/*?
+ * Show FIB6/route entries
+ *
+ * @cliexpar
+ * @cliexstart{show ip fib}
+ * Display the IPv6 FIB.
+ * This command will run for a long time when the FIBs comprise millions of entries.
+ * See 'show ip fib'
+ * @cliexend
+ ?*/
VLIB_CLI_COMMAND (ip6_show_fib_command, static) = {
.path = "show ip6 fib",
.short_help = "show ip6 fib [summary] [clear]",