*/
gbp_subnet_t *gbp_subnet_pool;
+static fib_source_t gbp_fib_source;
+
static index_t
gbp_subnet_db_find (u32 fib_index, const fib_prefix_t * pfx)
{
gs->gs_fei = fib_table_entry_update_one_path (gs->gs_key->gsk_fib_index,
&gs->gs_key->gsk_pfx,
- FIB_SOURCE_PLUGIN_HI,
+ gbp_fib_source,
FIB_ENTRY_FLAG_NONE,
fib_proto_to_dpo (fproto),
&ADJ_BCAST_ADDR,
gs->gs_fei = fib_table_entry_special_dpo_update (gs->gs_key->gsk_fib_index,
&gs->gs_key->gsk_pfx,
- FIB_SOURCE_PLUGIN_HI,
+ gbp_fib_source,
FIB_ENTRY_FLAG_EXCLUSIVE,
&gfd);
gs->gs_stitched_external.gs_sw_if_index = sw_if_index;
gbp_policy_dpo_add_or_lock (fib_proto_to_dpo (gs->gs_key->gsk_pfx.fp_proto),
+ gbp_route_domain_get_scope (gs->gs_rd),
gs->gs_stitched_external.gs_sclass,
gs->gs_stitched_external.gs_sw_if_index, &gpd);
gs->gs_fei = fib_table_entry_special_dpo_update (gs->gs_key->gsk_fib_index,
&gs->gs_key->gsk_pfx,
- FIB_SOURCE_PLUGIN_HI,
+ gbp_fib_source,
(FIB_ENTRY_FLAG_EXCLUSIVE |
FIB_ENTRY_FLAG_LOOSE_URPF_EXEMPT),
&gpd);
}
static int
-gbp_subnet_l3_out_add (gbp_subnet_t * gs, u32 sw_if_index, sclass_t sclass)
+gbp_subnet_l3_out_add (gbp_subnet_t * gs, sclass_t sclass, int is_anon)
{
+ fib_entry_flag_t flags;
dpo_id_t gpd = DPO_INVALID;
gs->gs_l3_out.gs_sclass = sclass;
gbp_policy_dpo_add_or_lock (fib_proto_to_dpo (gs->gs_key->gsk_pfx.fp_proto),
+ gbp_route_domain_get_scope (gs->gs_rd),
gs->gs_l3_out.gs_sclass, ~0, &gpd);
+ flags = FIB_ENTRY_FLAG_INTERPOSE;
+ if (is_anon)
+ flags |= FIB_ENTRY_FLAG_COVERED_INHERIT;
+
gs->gs_fei = fib_table_entry_special_dpo_add (gs->gs_key->gsk_fib_index,
&gs->gs_key->gsk_pfx,
FIB_SOURCE_SPECIAL,
- FIB_ENTRY_FLAG_INTERPOSE,
- &gpd);
+ flags, &gpd);
dpo_reset (&gpd);
gs = pool_elt_at_index (gbp_subnet_pool, gsi);
- if (GBP_SUBNET_L3_OUT == gs->gs_type)
- fib_table_entry_delete_index (gs->gs_fei, FIB_SOURCE_SPECIAL);
- else
- fib_table_entry_delete_index (gs->gs_fei, FIB_SOURCE_PLUGIN_HI);
+ fib_table_entry_delete_index (gs->gs_fei,
+ (GBP_SUBNET_L3_OUT == gs->gs_type
+ || GBP_SUBNET_ANON_L3_OUT ==
+ gs->gs_type) ? FIB_SOURCE_SPECIAL :
+ gbp_fib_source);
gbp_subnet_db_del (gs);
gbp_route_domain_unlock (gs->gs_rd);
u32 fib_index;
int rv;
+ switch (type)
+ {
+ case GBP_SUBNET_TRANSPORT:
+ case GBP_SUBNET_STITCHED_INTERNAL:
+ case GBP_SUBNET_STITCHED_EXTERNAL:
+ case GBP_SUBNET_L3_OUT:
+ case GBP_SUBNET_ANON_L3_OUT:
+ break;
+ default:
+ return (VNET_API_ERROR_INCORRECT_ADJACENCY_TYPE);
+ }
+
grdi = gbp_route_domain_find_and_lock (rd_id);
if (~0 == grdi)
rv = gbp_subnet_transport_add (gs);
break;
case GBP_SUBNET_L3_OUT:
- rv = gbp_subnet_l3_out_add (gs, sw_if_index, sclass);
+ rv = gbp_subnet_l3_out_add (gs, sclass, 0 /* is_anon */ );
+ break;
+ case GBP_SUBNET_ANON_L3_OUT:
+ rv = gbp_subnet_l3_out_add (gs, sclass, 1 /* is_anon */ );
break;
}
return (rv);
}
+static clib_error_t *
+gbp_subnet_add_del_cli (vlib_main_t * vm,
+ unformat_input_t * input, vlib_cli_command_t * cmd)
+{
+ unformat_input_t _line_input, *line_input = &_line_input;
+ vnet_main_t *vnm = vnet_get_main ();
+ fib_prefix_t pfx = {.fp_addr = ip46_address_initializer };
+ int length;
+ u32 rd_id = ~0;
+ u32 sw_if_index = ~0;
+ gbp_subnet_type_t type = ~0;
+ u32 sclass = ~0;
+ int is_add = 1;
+ int rv;
+
+ /* Get a line of input. */
+ if (!unformat_user (input, unformat_line_input, line_input))
+ return 0;
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "del"))
+ is_add = 0;
+ else if (unformat (line_input, "rd %d", &rd_id))
+ ;
+ else
+ if (unformat
+ (line_input, "prefix %U/%d", unformat_ip4_address,
+ &pfx.fp_addr.ip4, &length))
+ pfx.fp_proto = FIB_PROTOCOL_IP4;
+ else
+ if (unformat
+ (line_input, "prefix %U/%d", unformat_ip6_address,
+ &pfx.fp_addr.ip6, &length))
+ pfx.fp_proto = FIB_PROTOCOL_IP6;
+ else if (unformat (line_input, "type transport"))
+ type = GBP_SUBNET_TRANSPORT;
+ else if (unformat (line_input, "type stitched-internal"))
+ type = GBP_SUBNET_STITCHED_INTERNAL;
+ else if (unformat (line_input, "type stitched-external"))
+ type = GBP_SUBNET_STITCHED_EXTERNAL;
+ else if (unformat (line_input, "type anon-l3-out"))
+ type = GBP_SUBNET_ANON_L3_OUT;
+ else if (unformat (line_input, "type l3-out"))
+ type = GBP_SUBNET_L3_OUT;
+ else
+ if (unformat_user
+ (line_input, unformat_vnet_sw_interface, vnm, &sw_if_index))
+ ;
+ else if (unformat (line_input, "sclass %u", &sclass))
+ ;
+ else
+ return clib_error_return (0, "unknown input `%U'",
+ format_unformat_error, line_input);
+ }
+ unformat_free (line_input);
+
+ pfx.fp_len = length;
+
+ if (is_add)
+ rv = gbp_subnet_add (rd_id, &pfx, type, sw_if_index, sclass);
+ else
+ rv = gbp_subnet_del (rd_id, &pfx);
+
+ switch (rv)
+ {
+ case 0:
+ return 0;
+ case VNET_API_ERROR_NO_SUCH_FIB:
+ return clib_error_return (0, "no such FIB");
+ }
+
+ return clib_error_return (0, "unknown error %d", rv);
+}
+
+/*?
+ * Add Group Based Policy Subnets
+ *
+ * @cliexpar
+ * @cliexstart{gbp subnet [del] rd <ID> prefix <prefix> type <type> [<interface>] [sclass <sclass>]}
+ * @cliexend
+ ?*/
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (gbp_subnet_add_del, static) = {
+ .path = "gbp subnet",
+ .short_help = "gbp subnet [del] rd <ID> prefix <prefix> type <type> [<interface>] [sclass <sclass>]\n",
+ .function = gbp_subnet_add_del_cli,
+};
+/* *INDENT-ON* */
+
+
+
void
gbp_subnet_walk (gbp_subnet_cb_t cb, void *ctx)
{
sw_if_index = ~0;
/* *INDENT-OFF* */
- pool_foreach (gs, gbp_subnet_pool,
- ({
+ pool_foreach (gs, gbp_subnet_pool)
+ {
grd = gbp_route_domain_get(gs->gs_rd);
switch (gs->gs_type)
sclass = gs->gs_stitched_external.gs_sclass;
break;
case GBP_SUBNET_L3_OUT:
+ case GBP_SUBNET_ANON_L3_OUT:
sclass = gs->gs_l3_out.gs_sclass;
break;
}
if (WALK_STOP == cb (grd->grd_id, &gs->gs_key->gsk_pfx,
gs->gs_type, sw_if_index, sclass, ctx))
break;
- }));
+ }
/* *INDENT-ON* */
}
return (format (s, "transport"));
case GBP_SUBNET_L3_OUT:
return (format (s, "l3-out"));
+ case GBP_SUBNET_ANON_L3_OUT:
+ return (format (s, "anon-l3-out"));
}
return (format (s, "unknown"));
vnet_get_main (), gs->gs_stitched_external.gs_sw_if_index);
break;
case GBP_SUBNET_L3_OUT:
+ case GBP_SUBNET_ANON_L3_OUT:
s = format (s, " {sclass:%d}", gs->gs_l3_out.gs_sclass);
break;
}
else
{
/* *INDENT-OFF* */
- pool_foreach_index(gsi, gbp_subnet_pool,
- ({
+ pool_foreach_index (gsi, gbp_subnet_pool)
+ {
vlib_cli_output (vm, "%U", format_gbp_subnet, gsi,
GBP_SUBNET_SHOW_BRIEF);
- }));
+ }
/* *INDENT-ON* */
}
{
gbp_subnet_db = hash_create_mem (0,
sizeof (gbp_subnet_key_t), sizeof (u32));
+ gbp_fib_source = fib_source_allocate ("gbp-subnet",
+ FIB_SOURCE_PRIORITY_HI,
+ FIB_SOURCE_BH_SIMPLE);
return (NULL);
}