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authorNeale Ranns <nranns@cisco.com>2018-12-17 05:50:32 -0800
committerDamjan Marion <dmarion@me.com>2018-12-18 12:52:56 +0000
commit9e829a856fdf88b3ea5770048ea20dcd50d1b4eb (patch)
tree48506b15a4550b5f766248378d5aea03510ce0f8 /src/plugins/unittest
parent05b5d1b3a6663c0366e863adc845d7ee4facc1e3 (diff)
MFIB: recurse resolution through an MFIB entry
Change-Id: I8dc261e40b8398c5c8ab6bb69ecebbd0176055d9 Signed-off-by: Neale Ranns <nranns@cisco.com>
Diffstat (limited to 'src/plugins/unittest')
-rw-r--r--src/plugins/unittest/mfib_test.c489
1 files changed, 467 insertions, 22 deletions
diff --git a/src/plugins/unittest/mfib_test.c b/src/plugins/unittest/mfib_test.c
index bbe6709f4d7..0707a6f57c8 100644
--- a/src/plugins/unittest/mfib_test.c
+++ b/src/plugins/unittest/mfib_test.c
@@ -34,9 +34,6 @@
fformat(stderr, "FAIL:%d: " _comment "\n", \
__LINE__, ##_args); \
res = 1; \
- } else { \
- fformat(stderr, "PASS:%d: " _comment "\n", \
- __LINE__, ##_args); \
} \
res; \
})
@@ -223,16 +220,16 @@ mfib_test_entry (fib_node_index_t fei,
int n_buckets,
...)
{
+ const mfib_prefix_t *pfx;
const mfib_entry_t *mfe;
const replicate_t *rep;
- mfib_prefix_t pfx;
va_list ap;
int res;
res = 0;
mfe = mfib_entry_get(fei);
- mfib_entry_get_prefix(fei, &pfx);
+ pfx = mfib_entry_get_prefix(fei);
MFIB_TEST_REP((eflags == mfe->mfe_flags),
"%U has %U expect %U",
@@ -253,7 +250,8 @@ mfib_test_entry (fib_node_index_t fei,
mfib_entry_contribute_forwarding(
fei,
- fib_forw_chain_type_from_fib_proto(pfx.fp_proto),
+ mfib_forw_chain_type_from_fib_proto(pfx->fp_proto),
+ MFIB_ENTRY_FWD_FLAG_NONE,
&tmp);
rep = replicate_get(tmp.dpoi_index);
@@ -278,15 +276,15 @@ mfib_test_entry_itf (fib_node_index_t fei,
u32 sw_if_index,
mfib_itf_flags_t flags)
{
+ const mfib_prefix_t *pfx;
const mfib_entry_t *mfe;
const mfib_itf_t *mfi;
- mfib_prefix_t pfx;
int res;
res = 0;
mfe = mfib_entry_get(fei);
mfi = mfib_entry_get_itf(mfe, sw_if_index);
- mfib_entry_get_prefix(fei, &pfx);
+ pfx = mfib_entry_get_prefix(fei);
MFIB_TEST_REP((NULL != mfi),
"%U has interface %d",
@@ -305,19 +303,19 @@ static int
mfib_test_entry_no_itf (fib_node_index_t fei,
u32 sw_if_index)
{
+ const mfib_prefix_t *pfx;
const mfib_entry_t *mfe;
const mfib_itf_t *mfi;
- mfib_prefix_t pfx;
int res;
res = 0;
mfe = mfib_entry_get(fei);
mfi = mfib_entry_get_itf(mfe, sw_if_index);
- mfib_entry_get_prefix(fei, &pfx);
+ pfx = mfib_entry_get_prefix(fei);
MFIB_TEST_REP((NULL == mfi),
"%U has no interface %d",
- format_mfib_prefix, &pfx, sw_if_index);
+ format_mfib_prefix, pfx, sw_if_index);
return (res);
}
@@ -1143,11 +1141,12 @@ mfib_test_i (fib_protocol_t PROTO,
dpo_set(&td, DPO_ADJACENCY_MCAST, fib_proto_to_dpo(PROTO), ai_1);
replicate_set_bucket(repi2, 0, &td);
- mfei = mfib_table_entry_special_add(fib_index,
- pfx_star_g_3,
- MFIB_SOURCE_SRv6,
- MFIB_ENTRY_FLAG_ACCEPT_ALL_ITF,
- repi2);
+ mfib_entry_update(mfei,
+ MFIB_SOURCE_SRv6,
+ (MFIB_ENTRY_FLAG_ACCEPT_ALL_ITF |
+ MFIB_ENTRY_FLAG_EXCLUSIVE),
+ MFIB_RPF_ID_NONE,
+ repi2);
MFIB_TEST(!mfib_test_entry(mfei,
(MFIB_ENTRY_FLAG_ACCEPT_ALL_ITF |
MFIB_ENTRY_FLAG_EXCLUSIVE),
@@ -1278,6 +1277,11 @@ mfib_test_i (fib_protocol_t PROTO,
/*
* Unlock the table - it's the last lock so should be gone thereafter
*/
+ MFIB_TEST(((PROTO == FIB_PROTOCOL_IP4 ? 1 : 5) ==
+ mfib_table_get_n_routes(fib_index, PROTO)),
+ "1 = %d route left in the FIB",
+ mfib_table_get_n_routes(fib_index, PROTO));
+
mfib_table_unlock(fib_index, PROTO, MFIB_SOURCE_API);
MFIB_TEST((FIB_NODE_INDEX_INVALID ==
@@ -1494,6 +1498,435 @@ mfib_test_v6 (void)
&nbr2));
}
+static int
+mfib_test_rr_i (fib_protocol_t FPROTO,
+ dpo_proto_t DPROTO,
+ vnet_link_t LINKT,
+ const mfib_prefix_t *pfx_cover,
+ const mfib_prefix_t *pfx_host1,
+ const mfib_prefix_t *pfx_host2)
+{
+ fib_node_index_t mfei_cover, mfei_host1, mfei_host2, ai_1, ai_2;
+ u32 fib_index, n_entries, n_itfs, n_reps, n_pls;
+ test_main_t *tm;
+ int res;
+
+ res = 0;
+ n_entries = pool_elts(mfib_entry_pool);
+ n_itfs = pool_elts(mfib_itf_pool);
+ n_reps = pool_elts(replicate_pool);
+ n_pls = fib_path_list_pool_size();
+ tm = &test_main;
+
+ fib_index = 0;
+ ai_1 = adj_mcast_add_or_lock(FPROTO,
+ LINKT,
+ tm->hw[1]->sw_if_index);
+ ai_2 = adj_mcast_add_or_lock(FPROTO,
+ LINKT,
+ tm->hw[2]->sw_if_index);
+
+ fib_route_path_t path_via_if0 = {
+ .frp_proto = DPROTO,
+ .frp_addr = zero_addr,
+ .frp_sw_if_index = tm->hw[0]->sw_if_index,
+ .frp_fib_index = ~0,
+ .frp_weight = 0,
+ .frp_flags = 0,
+ };
+ fib_route_path_t path_via_if1 = {
+ .frp_proto = DPROTO,
+ .frp_addr = zero_addr,
+ .frp_sw_if_index = tm->hw[1]->sw_if_index,
+ .frp_fib_index = ~0,
+ .frp_weight = 0,
+ .frp_flags = 0,
+ };
+ fib_route_path_t path_via_if2 = {
+ .frp_proto = DPROTO,
+ .frp_addr = zero_addr,
+ .frp_sw_if_index = tm->hw[2]->sw_if_index,
+ .frp_fib_index = ~0,
+ .frp_weight = 0,
+ .frp_flags = 0,
+ };
+ fib_route_path_t path_for_us = {
+ .frp_proto = DPROTO,
+ .frp_addr = zero_addr,
+ .frp_sw_if_index = 0xffffffff,
+ .frp_fib_index = ~0,
+ .frp_weight = 0,
+ .frp_flags = FIB_ROUTE_PATH_LOCAL,
+ };
+
+ /*
+ * with only the default in place, recusre thru the /32
+ */
+ mfei_host1 = mfib_table_entry_special_add(fib_index, pfx_host1,
+ MFIB_SOURCE_RR,
+ MFIB_ENTRY_FLAG_NONE,
+ INDEX_INVALID);
+ /*
+ * expect its forwarding to match the cover's
+ */
+ MFIB_TEST(!mfib_test_entry(mfei_host1,
+ MFIB_ENTRY_FLAG_DROP,
+ 0),
+ "%U no replications OK",
+ format_mfib_prefix, pfx_host1);
+
+ /*
+ * Insert the less specific /28
+ */
+ mfib_table_entry_path_update(fib_index,
+ pfx_cover,
+ MFIB_SOURCE_API,
+ &path_via_if1,
+ MFIB_ITF_FLAG_FORWARD);
+
+ mfei_cover = mfib_table_lookup_exact_match(fib_index, pfx_cover);
+
+ MFIB_TEST(!mfib_test_entry(mfei_cover,
+ MFIB_ENTRY_FLAG_NONE,
+ 1,
+ DPO_ADJACENCY_MCAST, ai_1),
+ "%U replicate OK",
+ format_mfib_prefix, pfx_cover);
+
+ /*
+ * expect the /32 forwarding to match the new cover's
+ */
+ MFIB_TEST(!mfib_test_entry(mfei_host1,
+ MFIB_ENTRY_FLAG_NONE,
+ 1,
+ DPO_ADJACENCY_MCAST, ai_1),
+ "%U replicate OK",
+ format_mfib_prefix, pfx_host1);
+
+ /*
+ * add another path to the cover
+ */
+ mfib_table_entry_path_update(fib_index,
+ pfx_cover,
+ MFIB_SOURCE_API,
+ &path_via_if2,
+ MFIB_ITF_FLAG_FORWARD);
+
+ /*
+ * expect the /32 and /28 to be via both boths
+ */
+ MFIB_TEST(!mfib_test_entry(mfei_cover,
+ MFIB_ENTRY_FLAG_NONE,
+ 2,
+ DPO_ADJACENCY_MCAST, ai_1,
+ DPO_ADJACENCY_MCAST, ai_2),
+ "%U replicate OK",
+ format_mfib_prefix, pfx_cover);
+ MFIB_TEST(!mfib_test_entry(mfei_host1,
+ MFIB_ENTRY_FLAG_NONE,
+ 2,
+ DPO_ADJACENCY_MCAST, ai_1,
+ DPO_ADJACENCY_MCAST, ai_2),
+ "%U replicate OK",
+ format_mfib_prefix, pfx_host1);
+
+ /*
+ * and the other host whilst all is ready
+ */
+ mfei_host2 = mfib_table_entry_special_add(fib_index, pfx_host2,
+ MFIB_SOURCE_RR,
+ MFIB_ENTRY_FLAG_NONE,
+ INDEX_INVALID);
+ MFIB_TEST(!mfib_test_entry(mfei_host2,
+ MFIB_ENTRY_FLAG_NONE,
+ 2,
+ DPO_ADJACENCY_MCAST, ai_1,
+ DPO_ADJACENCY_MCAST, ai_2),
+ "%U replicate OK",
+ format_mfib_prefix, pfx_host2);
+
+ /*
+ * repaet multiple time to simulate multiple recursve children
+ */
+ mfei_host2 = mfib_table_entry_special_add(fib_index, pfx_host2,
+ MFIB_SOURCE_RR,
+ MFIB_ENTRY_FLAG_NONE,
+ INDEX_INVALID);
+ mfei_host2 = mfib_table_entry_special_add(fib_index, pfx_host2,
+ MFIB_SOURCE_RR,
+ MFIB_ENTRY_FLAG_NONE,
+ INDEX_INVALID);
+ mfei_host2 = mfib_table_entry_special_add(fib_index, pfx_host2,
+ MFIB_SOURCE_RR,
+ MFIB_ENTRY_FLAG_NONE,
+ INDEX_INVALID);
+
+ /*
+ * add an accepting path to the cover
+ */
+ mfib_table_entry_path_update(fib_index,
+ pfx_cover,
+ MFIB_SOURCE_API,
+ &path_via_if0,
+ MFIB_ITF_FLAG_ACCEPT);
+
+ /*
+ * expect the /32 and /28 to be via both boths
+ */
+ MFIB_TEST(!mfib_test_entry(mfei_cover,
+ MFIB_ENTRY_FLAG_NONE,
+ 2,
+ DPO_ADJACENCY_MCAST, ai_1,
+ DPO_ADJACENCY_MCAST, ai_2),
+ "%U replicate OK",
+ format_mfib_prefix, pfx_cover);
+ MFIB_TEST(!mfib_test_entry(mfei_host1,
+ MFIB_ENTRY_FLAG_NONE,
+ 2,
+ DPO_ADJACENCY_MCAST, ai_1,
+ DPO_ADJACENCY_MCAST, ai_2),
+ "%U replicate OK",
+ format_mfib_prefix, pfx_cover);
+ MFIB_TEST_NS(!mfib_test_entry_itf(mfei_host1, tm->hw[0]->sw_if_index,
+ MFIB_ITF_FLAG_ACCEPT));
+ MFIB_TEST_NS(!mfib_test_entry_itf(mfei_cover, tm->hw[0]->sw_if_index,
+ MFIB_ITF_FLAG_ACCEPT));
+ MFIB_TEST_NS(!mfib_test_entry_itf(mfei_host1, tm->hw[1]->sw_if_index,
+ MFIB_ITF_FLAG_FORWARD));
+ MFIB_TEST_NS(!mfib_test_entry_itf(mfei_cover, tm->hw[1]->sw_if_index,
+ MFIB_ITF_FLAG_FORWARD));
+ MFIB_TEST_NS(!mfib_test_entry_itf(mfei_host1, tm->hw[2]->sw_if_index,
+ MFIB_ITF_FLAG_FORWARD));
+ MFIB_TEST_NS(!mfib_test_entry_itf(mfei_cover, tm->hw[2]->sw_if_index,
+ MFIB_ITF_FLAG_FORWARD));
+
+ /*
+ * add a for-us path to the cover
+ */
+ mfib_table_entry_path_update(fib_index,
+ pfx_cover,
+ MFIB_SOURCE_API,
+ &path_for_us,
+ MFIB_ITF_FLAG_FORWARD);
+
+ /*
+ * expect the /32 and /28 to be via all three paths
+ */
+ MFIB_TEST(!mfib_test_entry(mfei_cover,
+ MFIB_ENTRY_FLAG_NONE,
+ 3,
+ DPO_ADJACENCY_MCAST, ai_1,
+ DPO_ADJACENCY_MCAST, ai_2,
+ DPO_RECEIVE, 0),
+ "%U replicate OK",
+ format_mfib_prefix, pfx_cover);
+ MFIB_TEST(!mfib_test_entry(mfei_host1,
+ MFIB_ENTRY_FLAG_NONE,
+ 3,
+ DPO_ADJACENCY_MCAST, ai_1,
+ DPO_ADJACENCY_MCAST, ai_2,
+ DPO_RECEIVE, 0),
+ "%U replicate OK",
+ format_mfib_prefix, pfx_cover);
+
+ /*
+ * get the forwarding chain from the RR prefix
+ */
+ replicate_t *rep;
+ dpo_id_t dpo = DPO_INVALID;
+
+ mfib_entry_contribute_forwarding(
+ mfei_host1,
+ mfib_forw_chain_type_from_dpo_proto(DPROTO),
+ MFIB_ENTRY_FWD_FLAG_NONE,
+ &dpo);
+
+ rep = replicate_get(dpo.dpoi_index);
+ MFIB_TEST((3 == rep->rep_n_buckets),
+ "%U replicate 3 buckets",
+ format_mfib_prefix, pfx_host1);
+
+ /*
+ * get the forwarding chain from the RR prefix without local paths
+ */
+ mfib_entry_contribute_forwarding(
+ mfei_host1,
+ mfib_forw_chain_type_from_dpo_proto(DPROTO),
+ MFIB_ENTRY_FWD_FLAG_NO_LOCAL,
+ &dpo);
+
+ rep = replicate_get(dpo.dpoi_index);
+ MFIB_TEST((2 == rep->rep_n_buckets),
+ "%U no-local replicate 2 buckets",
+ format_mfib_prefix, pfx_host1);
+
+ dpo_reset(&dpo);
+
+ /*
+ * delete the cover, expect the /32 to be via the default
+ */
+ mfib_table_entry_delete(fib_index, pfx_cover, MFIB_SOURCE_API);
+ MFIB_TEST(!mfib_test_entry(mfei_host1,
+ MFIB_ENTRY_FLAG_DROP,
+ 0),
+ "%U no replications OK",
+ format_mfib_prefix, pfx_host1);
+
+ /*
+ * source the /32 with its own path
+ */
+ mfib_table_entry_path_update(fib_index,
+ pfx_host1,
+ MFIB_SOURCE_API,
+ &path_via_if2,
+ MFIB_ITF_FLAG_FORWARD);
+ MFIB_TEST(!mfib_test_entry(mfei_host1,
+ MFIB_ENTRY_FLAG_NONE,
+ 1,
+ DPO_ADJACENCY_MCAST, ai_2),
+ "%U replicate OK",
+ format_mfib_prefix, pfx_host1);
+
+ /*
+ * remove host2 - as many times as it was added
+ */
+ mfib_table_entry_delete(fib_index, pfx_host2,
+ MFIB_SOURCE_RR);
+ mfib_table_entry_delete(fib_index, pfx_host2,
+ MFIB_SOURCE_RR);
+ mfib_table_entry_delete(fib_index, pfx_host2,
+ MFIB_SOURCE_RR);
+ mfib_table_entry_delete(fib_index, pfx_host2,
+ MFIB_SOURCE_RR);
+
+
+ /*
+ * remove the RR source with paths present
+ */
+ mfib_table_entry_delete(fib_index, pfx_host1,
+ MFIB_SOURCE_RR);
+
+ /*
+ * add the RR back then remove the path and RR
+ */
+ mfib_table_entry_path_update(fib_index,
+ pfx_host1,
+ MFIB_SOURCE_API,
+ &path_via_if2,
+ MFIB_ITF_FLAG_FORWARD);
+ MFIB_TEST(!mfib_test_entry(mfei_host1,
+ MFIB_ENTRY_FLAG_NONE,
+ 1,
+ DPO_ADJACENCY_MCAST, ai_2),
+ "%U replicate OK",
+ format_mfib_prefix, pfx_cover);
+
+ mfib_table_entry_delete(fib_index, pfx_host1,
+ MFIB_SOURCE_API);
+ mfib_table_entry_delete(fib_index, pfx_host1,
+ MFIB_SOURCE_RR);
+
+ /*
+ * test we've leaked no resources
+ */
+ adj_unlock(ai_1);
+ adj_unlock(ai_2);
+ MFIB_TEST(0 == adj_mcast_db_size(), "%d MCAST adjs", adj_mcast_db_size());
+ MFIB_TEST(n_pls == fib_path_list_pool_size(), "%d=%d path-lists",
+ n_pls, fib_path_list_pool_size());
+ MFIB_TEST(n_reps == pool_elts(replicate_pool), "%d=%d replicates",
+ n_reps, pool_elts(replicate_pool));
+ MFIB_TEST(n_entries == pool_elts(mfib_entry_pool),
+ " No more entries %d!=%d",
+ n_entries, pool_elts(mfib_entry_pool));
+ MFIB_TEST(n_itfs == pool_elts(mfib_itf_pool),
+ " No more Interfaces %d!=%d",
+ n_itfs, pool_elts(mfib_itf_pool));
+ return (res);
+}
+
+static int
+mfib_test_rr_v4 (void)
+{
+ /*
+ * 2 length of prefix to play with
+ */
+ const mfib_prefix_t pfx_host1 = {
+ .fp_len = 32,
+ .fp_proto = FIB_PROTOCOL_IP4,
+ .fp_grp_addr = {
+ .ip4.as_u32 = clib_host_to_net_u32(0xe0001011),
+ },
+ };
+ const mfib_prefix_t pfx_host2 = {
+ .fp_len = 64,
+ .fp_proto = FIB_PROTOCOL_IP4,
+ .fp_grp_addr = {
+ .ip4.as_u32 = clib_host_to_net_u32(0xe0001011),
+ },
+ .fp_src_addr = {
+ .ip4.as_u32 = clib_host_to_net_u32(0x10101010),
+ },
+ };
+ const mfib_prefix_t pfx_cover = {
+ .fp_len = 28,
+ .fp_proto = FIB_PROTOCOL_IP4,
+ .fp_grp_addr = {
+ .ip4.as_u32 = clib_host_to_net_u32(0xe0001010),
+ },
+ };
+
+ return (mfib_test_rr_i(FIB_PROTOCOL_IP4,
+ DPO_PROTO_IP4,
+ VNET_LINK_IP4,
+ &pfx_cover,
+ &pfx_host1,
+ &pfx_host2));
+}
+
+static int
+mfib_test_rr_v6 (void)
+{
+ /*
+ * 2 length of prefix to play with
+ */
+ const mfib_prefix_t pfx_host1 = {
+ .fp_len = 128,
+ .fp_proto = FIB_PROTOCOL_IP6,
+ .fp_grp_addr = {
+ .ip6.as_u64[0] = clib_host_to_net_u64(0xff03000000000000),
+ .ip6.as_u64[1] = clib_host_to_net_u64(0x0000000000000001),
+ },
+ };
+ const mfib_prefix_t pfx_host2 = {
+ .fp_len = 256,
+ .fp_proto = FIB_PROTOCOL_IP6,
+ .fp_grp_addr = {
+ .ip6.as_u64[0] = clib_host_to_net_u64(0xff03000000000000),
+ .ip6.as_u64[1] = clib_host_to_net_u64(0x0000000000000001),
+ },
+ .fp_src_addr = {
+ .ip6.as_u64[0] = clib_host_to_net_u64(0x2001000000000000),
+ .ip6.as_u64[1] = clib_host_to_net_u64(0x0000000000000001),
+ },
+ };
+ const mfib_prefix_t pfx_cover = {
+ .fp_len = 64,
+ .fp_proto = FIB_PROTOCOL_IP6,
+ .fp_grp_addr = {
+ .ip6.as_u64[0] = clib_host_to_net_u64(0xff03000000000000),
+ .ip6.as_u64[1] = clib_host_to_net_u64(0x0000000000000000),
+ },
+ };
+
+ return (mfib_test_rr_i(FIB_PROTOCOL_IP6,
+ DPO_PROTO_IP6,
+ VNET_LINK_IP6,
+ &pfx_cover,
+ &pfx_host1,
+ &pfx_host2));
+}
+
static clib_error_t *
mfib_test (vlib_main_t * vm,
unformat_input_t * input,
@@ -1502,23 +1935,35 @@ mfib_test (vlib_main_t * vm,
int res = 0;
res += mfib_test_mk_intf(4);
- res += mfib_test_v4();
+ res += mfib_test_rr_v4();
if (res)
{
- return clib_error_return(0, "MFIB Unit Test Failed");
+ return clib_error_return(0, "MFIB RR V4 Unit Test Failed");
}
- res += mfib_test_v6();
+ res += mfib_test_rr_v6();
if (res)
{
- return clib_error_return(0, "MFIB Unit Test Failed");
+ return clib_error_return(0, "MFIB RR V6 Unit Test Failed");
}
- else
+
+ res += mfib_test_v4();
+
+ if (res)
{
- return (NULL);
+ return clib_error_return(0, "MFIB V4 Unit Test Failed");
}
+
+ res += mfib_test_v6();
+
+ if (res)
+ {
+ return clib_error_return(0, "MFIB V6 Unit Test Failed");
+ }
+
+ return (NULL);
}
VLIB_CLI_COMMAND (test_fib_command, static) = {