res = 0;
va_start(ap, n_buckets);
- if (FIB_TEST_I((DPO_LOAD_BALANCE == dpo->dpoi_type),
- "Entry links to %U",
- format_dpo_type, dpo->dpoi_type))
+ if (!FIB_TEST_I((DPO_LOAD_BALANCE == dpo->dpoi_type),
+ "Entry links to %U",
+ format_dpo_type, dpo->dpoi_type))
{
lb = load_balance_get(dpo->dpoi_index);
}
else
{
- res = 0;
+ res = 1;
}
va_end(ap);
return (res);
}
+static int
+fib_test_sticky (void)
+{
+ fib_route_path_t *r_paths = NULL;
+ test_main_t *tm = &test_main;
+ u32 ii, lb_count, pl_count;
+ dpo_id_t dpo = DPO_INVALID;
+ fib_node_index_t pl_index;
+ int res = 0;
+#define N_PATHS 16
+
+ fib_test_lb_bucket_t buckets[N_PATHS];
+ bfd_session_t bfds[N_PATHS] = {{0}};
+
+ lb_count = pool_elts(load_balance_pool);
+ pl_count = fib_path_list_pool_size();
+
+ for (ii = 0; ii < N_PATHS; ii++)
+ {
+ ip46_address_t nh = {
+ .ip4.as_u32 = clib_host_to_net_u32(0x0a0a0a02 + ii),
+ };
+ adj_index_t ai;
+
+ ai = adj_nbr_add_or_lock(FIB_PROTOCOL_IP4,
+ VNET_LINK_IP4,
+ &nh, tm->hw[0]->sw_if_index);
+
+ buckets[ii].type = FT_LB_ADJ;
+ buckets[ii].adj.adj = ai;
+
+ bfds[ii].udp.key.peer_addr = nh;
+ bfds[ii].udp.key.sw_if_index = tm->hw[0]->sw_if_index;
+ bfds[ii].hop_type = BFD_HOP_TYPE_SINGLE;
+ bfds[ii].local_state = BFD_STATE_init;
+ adj_bfd_notify(BFD_LISTEN_EVENT_CREATE, &bfds[ii]);
+ bfds[ii].local_state = BFD_STATE_up;
+ adj_bfd_notify(BFD_LISTEN_EVENT_UPDATE, &bfds[ii]);
+ }
+
+ for (ii = 0; ii < N_PATHS; ii++)
+ {
+ fib_route_path_t r_path = {
+ .frp_proto = DPO_PROTO_IP4,
+ .frp_addr = {
+ .ip4.as_u32 = clib_host_to_net_u32(0x0a0a0a02 + ii),
+ },
+ .frp_sw_if_index = tm->hw[0]->sw_if_index,
+ .frp_weight = 1,
+ .frp_fib_index = ~0,
+ };
+ vec_add1(r_paths, r_path);
+ };
+
+ pl_index = fib_path_list_create(FIB_PATH_LIST_FLAG_SHARED, r_paths);
+ fib_path_list_lock(pl_index);
+
+ fib_path_list_contribute_forwarding(pl_index,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+ FIB_PATH_LIST_FWD_FLAG_STICKY,
+ &dpo);
+
+ FIB_TEST(!fib_test_validate_lb(&dpo,
+ 16,
+ &buckets[0],
+ &buckets[1],
+ &buckets[2],
+ &buckets[3],
+ &buckets[4],
+ &buckets[5],
+ &buckets[6],
+ &buckets[7],
+ &buckets[8],
+ &buckets[9],
+ &buckets[10],
+ &buckets[11],
+ &buckets[12],
+ &buckets[13],
+ &buckets[14],
+ &buckets[15]),
+ "Setup OK");
+
+ /* take down paths */
+ bfds[0].local_state = BFD_STATE_down;
+ adj_bfd_notify(BFD_LISTEN_EVENT_UPDATE, &bfds[0]);
+
+ fib_path_list_contribute_forwarding(pl_index,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+ FIB_PATH_LIST_FWD_FLAG_STICKY,
+ &dpo);
+
+ FIB_TEST(!fib_test_validate_lb(&dpo,
+ 16,
+ &buckets[1],
+ &buckets[1],
+ &buckets[2],
+ &buckets[3],
+ &buckets[4],
+ &buckets[5],
+ &buckets[6],
+ &buckets[7],
+ &buckets[8],
+ &buckets[9],
+ &buckets[10],
+ &buckets[11],
+ &buckets[12],
+ &buckets[13],
+ &buckets[14],
+ &buckets[15]),
+ "Failed at shut-down path 0");
+
+ bfds[7].local_state = BFD_STATE_down;
+ adj_bfd_notify(BFD_LISTEN_EVENT_UPDATE, &bfds[7]);
+
+ fib_path_list_contribute_forwarding(pl_index,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+ FIB_PATH_LIST_FWD_FLAG_STICKY,
+ &dpo);
+
+ FIB_TEST(!fib_test_validate_lb(&dpo,
+ 16,
+ &buckets[1],
+ &buckets[1],
+ &buckets[2],
+ &buckets[3],
+ &buckets[4],
+ &buckets[5],
+ &buckets[6],
+ &buckets[2],
+ &buckets[8],
+ &buckets[9],
+ &buckets[10],
+ &buckets[11],
+ &buckets[12],
+ &buckets[13],
+ &buckets[14],
+ &buckets[15]),
+ "Failed at shut-down path 7");
+
+ /* paths back up */
+ bfds[0].local_state = BFD_STATE_up;
+ adj_bfd_notify(BFD_LISTEN_EVENT_UPDATE, &bfds[0]);
+ bfds[7].local_state = BFD_STATE_up;
+ adj_bfd_notify(BFD_LISTEN_EVENT_UPDATE, &bfds[7]);
+
+ fib_path_list_contribute_forwarding(pl_index,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+ FIB_PATH_LIST_FWD_FLAG_STICKY,
+ &dpo);
+
+ FIB_TEST(!fib_test_validate_lb(&dpo,
+ 16,
+ &buckets[0],
+ &buckets[1],
+ &buckets[2],
+ &buckets[3],
+ &buckets[4],
+ &buckets[5],
+ &buckets[6],
+ &buckets[7],
+ &buckets[8],
+ &buckets[9],
+ &buckets[10],
+ &buckets[11],
+ &buckets[12],
+ &buckets[13],
+ &buckets[14],
+ &buckets[15]),
+ "recovery OK");
+
+ fib_path_list_unlock(pl_index);
+
+ /*
+ * non-power of 2 number of buckets
+ */
+ fib_route_path_t *r_paths2 = NULL;
+
+ r_paths2 = vec_dup(r_paths);
+ _vec_len(r_paths2) = 3;
+
+ pl_index = fib_path_list_create(FIB_PATH_LIST_FLAG_SHARED, r_paths2);
+ fib_path_list_lock(pl_index);
+
+ fib_path_list_contribute_forwarding(pl_index,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+ FIB_PATH_LIST_FWD_FLAG_STICKY,
+ &dpo);
+
+ FIB_TEST(!fib_test_validate_lb(&dpo,
+ 16,
+ &buckets[0],
+ &buckets[0],
+ &buckets[0],
+ &buckets[0],
+ &buckets[0],
+ &buckets[0],
+ &buckets[1],
+ &buckets[1],
+ &buckets[1],
+ &buckets[1],
+ &buckets[1],
+ &buckets[2],
+ &buckets[2],
+ &buckets[2],
+ &buckets[2],
+ &buckets[2]),
+ "non-power of 2");
+
+ bfds[1].local_state = BFD_STATE_down;
+ adj_bfd_notify(BFD_LISTEN_EVENT_UPDATE, &bfds[1]);
+
+ fib_path_list_contribute_forwarding(pl_index,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+ FIB_PATH_LIST_FWD_FLAG_STICKY,
+ &dpo);
+
+ /*
+ * path 1's buckets alternate between path 0 and 2
+ */
+ FIB_TEST(!fib_test_validate_lb(&dpo,
+ 16,
+ &buckets[0],
+ &buckets[0],
+ &buckets[0],
+ &buckets[0],
+ &buckets[0],
+ &buckets[0],
+ &buckets[0],
+ &buckets[2],
+ &buckets[0],
+ &buckets[2],
+ &buckets[0],
+ &buckets[2],
+ &buckets[2],
+ &buckets[2],
+ &buckets[2],
+ &buckets[2]),
+ "non-power of 2");
+ bfds[1].local_state = BFD_STATE_up;
+ adj_bfd_notify(BFD_LISTEN_EVENT_UPDATE, &bfds[1]);
+
+ fib_path_list_unlock(pl_index);
+
+ /*
+ * unequal cost
+ */
+ fib_route_path_t *r_paths3 = NULL;
+
+ r_paths3 = vec_dup(r_paths);
+ _vec_len(r_paths3) = 3;
+
+ r_paths3[0].frp_weight = 3;
+
+ pl_index = fib_path_list_create(FIB_PATH_LIST_FLAG_SHARED, r_paths3);
+ fib_path_list_lock(pl_index);
+
+ fib_path_list_contribute_forwarding(pl_index,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+ FIB_PATH_LIST_FWD_FLAG_STICKY,
+ &dpo);
+
+ FIB_TEST(!fib_test_validate_lb(&dpo,
+ 16,
+ &buckets[1],
+ &buckets[1],
+ &buckets[1],
+ &buckets[2],
+ &buckets[2],
+ &buckets[2],
+ &buckets[0],
+ &buckets[0],
+ &buckets[0],
+ &buckets[0],
+ &buckets[0],
+ &buckets[0],
+ &buckets[0],
+ &buckets[0],
+ &buckets[0],
+ &buckets[0]),
+ "UCMP");
+
+ bfds[1].local_state = BFD_STATE_down;
+ adj_bfd_notify(BFD_LISTEN_EVENT_UPDATE, &bfds[1]);
+
+ fib_path_list_contribute_forwarding(pl_index,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+ FIB_PATH_LIST_FWD_FLAG_STICKY,
+ &dpo);
+ /* No attempt to Un-equal distribute the down path's buckets */
+ FIB_TEST(!fib_test_validate_lb(&dpo,
+ 16,
+ &buckets[2],
+ &buckets[0],
+ &buckets[2],
+ &buckets[2],
+ &buckets[2],
+ &buckets[2],
+ &buckets[0],
+ &buckets[0],
+ &buckets[0],
+ &buckets[0],
+ &buckets[0],
+ &buckets[0],
+ &buckets[0],
+ &buckets[0],
+ &buckets[0],
+ &buckets[0]),
+ "UCMP");
+ bfds[1].local_state = BFD_STATE_up;
+ adj_bfd_notify(BFD_LISTEN_EVENT_UPDATE, &bfds[1]);
+
+ dpo_reset(&dpo);
+ fib_path_list_unlock(pl_index);
+
+ vec_free(r_paths);
+ vec_free(r_paths2);
+ vec_free(r_paths3);
+
+ FIB_TEST(lb_count == pool_elts(load_balance_pool), "no leaked LBs");
+ FIB_TEST(pl_count == fib_path_list_pool_size(), "no leaked PLs");
+
+ return 0;
+}
+
static clib_error_t *
fib_test (vlib_main_t * vm,
unformat_input_t * input,
{
res += fib_test_inherit();
}
+ else if (unformat (input, "sticky"))
+ {
+ res += fib_test_sticky();
+ }
else
{
res += fib_test_v4();
Code Review / vpp.git / blobdiff