diff options
author | Neale Ranns <nranns@cisco.com> | 2017-10-31 12:28:22 -0700 |
---|---|---|
committer | Damjan Marion <dmarion.lists@gmail.com> | 2017-11-11 14:23:45 +0000 |
commit | 62fe07c8e30a6ac718fe65528592fe6964d753fa (patch) | |
tree | 21da6b42dbcc372d54c016f8e7cfaf9a0f6a2f70 /src/vnet/fib | |
parent | bfe470c04a58bceed5ba1892dd97e1708b700685 (diff) |
MPLS disposition actions at the tail of unicast LSPs
Change-Id: I8c42e26152f2ed1246f91b789887bfc923418bdf
Signed-off-by: Neale Ranns <nranns@cisco.com>
Diffstat (limited to 'src/vnet/fib')
-rw-r--r-- | src/vnet/fib/fib_entry_src.c | 19 | ||||
-rw-r--r-- | src/vnet/fib/fib_entry_src_mpls.c | 2 | ||||
-rw-r--r-- | src/vnet/fib/fib_path.c | 13 | ||||
-rw-r--r-- | src/vnet/fib/fib_path_ext.c | 9 | ||||
-rw-r--r-- | src/vnet/fib/fib_test.c | 94 | ||||
-rw-r--r-- | src/vnet/fib/fib_test.h | 1 |
6 files changed, 107 insertions, 31 deletions
diff --git a/src/vnet/fib/fib_entry_src.c b/src/vnet/fib/fib_entry_src.c index 667aa485f7c..214dafe9b8d 100644 --- a/src/vnet/fib/fib_entry_src.c +++ b/src/vnet/fib/fib_entry_src.c @@ -259,6 +259,23 @@ fib_entry_chain_type_fixup (const fib_entry_t *entry, return (dfct); } +static dpo_proto_t +fib_prefix_get_payload_proto (const fib_prefix_t *pfx) +{ + switch (pfx->fp_proto) + { + case FIB_PROTOCOL_IP4: + return (DPO_PROTO_IP4); + case FIB_PROTOCOL_IP6: + return (DPO_PROTO_IP6); + case FIB_PROTOCOL_MPLS: + return (pfx->fp_payload_proto); + } + + ASSERT(0); + return (DPO_PROTO_IP4); +} + static void fib_entry_src_get_path_forwarding (fib_node_index_t path_index, fib_entry_src_collect_forwarding_ctx_t *ctx) @@ -313,7 +330,7 @@ fib_entry_src_get_path_forwarding (fib_node_index_t path_index, ctx->fct), &nh->path_dpo); fib_path_stack_mpls_disp(path_index, - ctx->fib_entry->fe_prefix.fp_payload_proto, + fib_prefix_get_payload_proto(&ctx->fib_entry->fe_prefix), &nh->path_dpo); break; diff --git a/src/vnet/fib/fib_entry_src_mpls.c b/src/vnet/fib/fib_entry_src_mpls.c index 6fdd5c0ac66..f80d42afbb0 100644 --- a/src/vnet/fib/fib_entry_src_mpls.c +++ b/src/vnet/fib/fib_entry_src_mpls.c @@ -170,7 +170,7 @@ static u8* fib_entry_src_mpls_format (fib_entry_src_t *src, u8* s) { - return (format(s, "MPLS local-label:%d", src->mpls.fesm_label)); + return (format(s, " local-label:%d", src->mpls.fesm_label)); } const static fib_entry_src_vft_t mpls_src_vft = { diff --git a/src/vnet/fib/fib_path.c b/src/vnet/fib/fib_path.c index 3e031929419..8dabfdf9674 100644 --- a/src/vnet/fib/fib_path.c +++ b/src/vnet/fib/fib_path.c @@ -2259,6 +2259,18 @@ fib_path_stack_mpls_disp (fib_node_index_t path_index, switch (path->fp_type) { + case FIB_PATH_TYPE_ATTACHED_NEXT_HOP: + { + dpo_id_t tmp = DPO_INVALID; + + dpo_copy(&tmp, dpo); + dpo_set(dpo, + DPO_MPLS_DISPOSITION, + payload_proto, + mpls_disp_dpo_create(payload_proto, ~0, &tmp)); + dpo_reset(&tmp); + break; + } case FIB_PATH_TYPE_DEAG: { dpo_id_t tmp = DPO_INVALID; @@ -2275,7 +2287,6 @@ fib_path_stack_mpls_disp (fib_node_index_t path_index, } case FIB_PATH_TYPE_RECEIVE: case FIB_PATH_TYPE_ATTACHED: - case FIB_PATH_TYPE_ATTACHED_NEXT_HOP: case FIB_PATH_TYPE_RECURSIVE: case FIB_PATH_TYPE_INTF_RX: case FIB_PATH_TYPE_UDP_ENCAP: diff --git a/src/vnet/fib/fib_path_ext.c b/src/vnet/fib/fib_path_ext.c index 4438671b4a0..a285ba07f7c 100644 --- a/src/vnet/fib/fib_path_ext.c +++ b/src/vnet/fib/fib_path_ext.c @@ -255,6 +255,15 @@ fib_path_ext_stack (fib_path_ext_t *path_ext, chain_proto, mldi); } + else if (child_fct == FIB_FORW_CHAIN_TYPE_MPLS_EOS) + { + /* + * MPLS EOS packets using an imp-null. Insert the disposition. + */ + fib_path_stack_mpls_disp(nh->path_index, + fib_forw_chain_type_to_dpo_proto(parent_fct), + &nh->path_dpo); + } } dpo_reset(&via_dpo); diff --git a/src/vnet/fib/fib_test.c b/src/vnet/fib/fib_test.c index 2658eb27811..b74ec337c1f 100644 --- a/src/vnet/fib/fib_test.c +++ b/src/vnet/fib/fib_test.c @@ -29,6 +29,7 @@ #include <vnet/dpo/interface_rx_dpo.h> #include <vnet/dpo/replicate_dpo.h> #include <vnet/dpo/l2_bridge_dpo.h> +#include <vnet/dpo/mpls_disposition.h> #include <vnet/mpls/mpls.h> @@ -514,6 +515,30 @@ fib_test_validate_lb_v (const load_balance_t *lb, bucket, exp->adj.adj); break; + case FT_LB_MPLS_DISP_O_ADJ: + { + const mpls_disp_dpo_t *mdd; + + FIB_TEST_I((DPO_MPLS_DISPOSITION == dpo->dpoi_type), + "bucket %d stacks on %U", + bucket, + format_dpo_type, dpo->dpoi_type); + + mdd = mpls_disp_dpo_get(dpo->dpoi_index); + + dpo = &mdd->mdd_dpo; + + FIB_TEST_I(((DPO_ADJACENCY == dpo->dpoi_type) || + (DPO_ADJACENCY_INCOMPLETE == dpo->dpoi_type)), + "bucket %d stacks on %U", + bucket, + format_dpo_type, dpo->dpoi_type); + FIB_TEST_LB((exp->adj.adj == dpo->dpoi_index), + "bucket %d stacks on adj %d", + bucket, + exp->adj.adj); + break; + } case FT_LB_INTF: FIB_TEST_I((DPO_INTERFACE_RX == dpo->dpoi_type), "bucket %d stacks on %U", @@ -6380,6 +6405,12 @@ fib_test_label (void) .fp_label = 24001, .fp_eos = MPLS_NON_EOS, }; + fib_test_lb_bucket_t disp_o_10_10_11_1 = { + .type = FT_LB_MPLS_DISP_O_ADJ, + .adj = { + .adj = ai_v4_10_10_11_1, + }, + }; /* * The EOS entry should link to both the paths, @@ -6393,10 +6424,10 @@ fib_test_label (void) FIB_FORW_CHAIN_TYPE_MPLS_EOS, 2, &l99_eos_o_10_10_10_1, - &a_o_10_10_11_1), + &disp_o_10_10_11_1), "24001/eos LB 2 buckets via: " "label 99 over 10.10.10.1, " - "adj over 10.10.11.1"); + "mpls disp adj over 10.10.11.1"); fei = fib_table_lookup(MPLS_FIB_DEFAULT_TABLE_ID, @@ -6419,6 +6450,13 @@ fib_test_label (void) .adj = ai_v4_10_10_11_2, }, }; + fib_test_lb_bucket_t disp_o_10_10_11_2 = { + .type = FT_LB_MPLS_DISP_O_ADJ, + .adj = { + .adj = ai_v4_10_10_11_2, + }, + }; + fei = fib_table_entry_path_add(fib_index, &pfx_1_1_1_1_s_32, @@ -6567,11 +6605,11 @@ fib_test_label (void) FIB_TEST(fib_test_validate_entry(fei, FIB_FORW_CHAIN_TYPE_MPLS_EOS, 2, - &a_o_10_10_11_1, - &adj_o_10_10_11_2), + &disp_o_10_10_11_1, + &disp_o_10_10_11_2), "24001/eos LB 2 buckets via: " - "adj over 10.10.11.1, ", - "adj-v4 over 10.10.11.2"); + "mpls-disp adj over 10.10.11.1, ", + "mpls-disp adj-v4 over 10.10.11.2"); fei = fib_table_lookup(MPLS_FIB_DEFAULT_TABLE_ID, &pfx_24001_neos); @@ -6644,20 +6682,20 @@ fib_test_label (void) &l99_eos_o_10_10_10_1, &l99_eos_o_10_10_10_1, &l99_eos_o_10_10_10_1, - &a_o_10_10_11_1, - &a_o_10_10_11_1, - &a_o_10_10_11_1, - &a_o_10_10_11_1, - &a_o_10_10_11_1, - &adj_o_10_10_11_2, - &adj_o_10_10_11_2, - &adj_o_10_10_11_2, - &adj_o_10_10_11_2, - &adj_o_10_10_11_2), + &disp_o_10_10_11_1, + &disp_o_10_10_11_1, + &disp_o_10_10_11_1, + &disp_o_10_10_11_1, + &disp_o_10_10_11_1, + &disp_o_10_10_11_2, + &disp_o_10_10_11_2, + &disp_o_10_10_11_2, + &disp_o_10_10_11_2, + &disp_o_10_10_11_2), "24001/eos LB 16 buckets via: " "label 99 over 10.10.10.1, " - "adj over 10.10.11.1", - "adj-v4 over 10.10.11.2"); + "MPLS disp adj over 10.10.11.1", + "MPLS disp adj-v4 over 10.10.11.2"); fei = fib_table_lookup(MPLS_FIB_DEFAULT_TABLE_ID, &pfx_24001_neos); @@ -6698,11 +6736,11 @@ fib_test_label (void) FIB_TEST(fib_test_validate_entry(fei, FIB_FORW_CHAIN_TYPE_MPLS_EOS, 2, - &a_o_10_10_11_1, - &adj_o_10_10_11_2), + &disp_o_10_10_11_1, + &disp_o_10_10_11_2), "24001/eos LB 2 buckets via: " - "adj over 10.10.11.1, " - "adj-v4 over 10.10.11.2"); + "MPLS disp adj over 10.10.11.1, " + "MPLS disp adj-v4 over 10.10.11.2"); fei = fib_table_lookup(MPLS_FIB_DEFAULT_TABLE_ID, &pfx_24001_neos); @@ -6750,9 +6788,9 @@ fib_test_label (void) FIB_TEST(fib_test_validate_entry(fei, FIB_FORW_CHAIN_TYPE_MPLS_EOS, 1, - &adj_o_10_10_11_2), + &disp_o_10_10_11_2), "24001/eos LB 1 buckets via: " - "adj over 10.10.11.2"); + "MPLS disp adj over 10.10.11.2"); fei = fib_table_lookup(MPLS_FIB_DEFAULT_TABLE_ID, &pfx_24001_neos); @@ -6796,10 +6834,10 @@ fib_test_label (void) FIB_FORW_CHAIN_TYPE_MPLS_EOS, 2, &l99_eos_o_10_10_10_1, - &adj_o_10_10_11_2), + &disp_o_10_10_11_2), "24001/eos LB 2 buckets via: " "label 99 over 10.10.10.1, " - "adj over 10.10.11.2"); + "MPLS disp adj over 10.10.11.2"); fei = fib_table_lookup(MPLS_FIB_DEFAULT_TABLE_ID, &pfx_24001_neos); @@ -6841,10 +6879,10 @@ fib_test_label (void) FIB_FORW_CHAIN_TYPE_MPLS_EOS, 2, &l99_eos_o_10_10_10_1, - &adj_o_10_10_11_2), + &disp_o_10_10_11_2), "25005/eos LB 2 buckets via: " "label 99 over 10.10.10.1, " - "adj over 10.10.11.2"); + "MPLS disp adj over 10.10.11.2"); fei = fib_table_lookup(MPLS_FIB_DEFAULT_TABLE_ID, &pfx_25005_neos); diff --git a/src/vnet/fib/fib_test.h b/src/vnet/fib/fib_test.h index f3d8346aab3..53697cb62ae 100644 --- a/src/vnet/fib/fib_test.h +++ b/src/vnet/fib/fib_test.h @@ -29,6 +29,7 @@ typedef enum fib_test_lb_bucket_type_t_ { FT_LB_LABEL_STACK_O_ADJ, FT_LB_LABEL_O_LB, FT_LB_O_LB, + FT_LB_MPLS_DISP_O_ADJ, FT_LB_INTF, FT_LB_L2, FT_LB_BIER_TABLE, |