diff options
Diffstat (limited to 'src/vnet')
-rw-r--r-- | src/vnet/api_errno.h | 3 | ||||
-rw-r--r-- | src/vnet/bier/bier.api | 4 | ||||
-rw-r--r-- | src/vnet/bier/bier_api.c | 103 | ||||
-rw-r--r-- | src/vnet/bier/bier_disp_table.c | 2 | ||||
-rw-r--r-- | src/vnet/bier/bier_imp.c | 2 | ||||
-rw-r--r-- | src/vnet/bier/bier_imp.h | 23 | ||||
-rw-r--r-- | src/vnet/bier/bier_lookup.c | 29 | ||||
-rw-r--r-- | src/vnet/bier/bier_table.c | 37 | ||||
-rw-r--r-- | src/vnet/bier/bier_test.c | 33 | ||||
-rw-r--r-- | src/vnet/bier/bier_types.h | 62 | ||||
-rw-r--r-- | src/vnet/dpo/replicate_dpo.c | 3 |
11 files changed, 157 insertions, 144 deletions
diff --git a/src/vnet/api_errno.h b/src/vnet/api_errno.h index be2100a5c29..707fec4be2f 100644 --- a/src/vnet/api_errno.h +++ b/src/vnet/api_errno.h @@ -134,7 +134,8 @@ _(APP_CONNECT_FILTERED, -141, "Connect was filtered") \ _(ACL_IN_USE_INBOUND, -142, "Inbound ACL in use") \ _(ACL_IN_USE_OUTBOUND, -143, "Outbound ACL in use") \ _(INIT_FAILED, -144, "Initialization Failed") \ -_(NETLINK_ERROR, -145, "netlink error") +_(NETLINK_ERROR, -145, "netlink error") \ +_(BIER_BSL_UNSUP, -146, "BIER bit-string-length unsupported") typedef enum { diff --git a/src/vnet/bier/bier.api b/src/vnet/bier/bier.api index 380d2973705..446863c8ee8 100644 --- a/src/vnet/bier/bier.api +++ b/src/vnet/bier/bier.api @@ -109,7 +109,9 @@ define bier_route_details @param context - sender context, to match reply w/ request @param bi_tbl_id - The BIER table-id used to forward post encap @param bi_src - The source Bit-position in the encap. - @param bi_n_bytes - The number of bytes in the following bit-string + @param bi_n_bytes - The number of bytes in the following bit-string. + VPP only supports BSL of 1024 and less, so this is + a u8 field. @param bi_bytes - The bit-string represented as a byte array (MSB first) */ define bier_imp_add diff --git a/src/vnet/bier/bier_api.c b/src/vnet/bier/bier_api.c index 840c33b7a37..4b1d1c28781 100644 --- a/src/vnet/bier/bier_api.c +++ b/src/vnet/bier/bier_api.c @@ -73,34 +73,41 @@ vl_api_bier_table_add_del_t_handler (vl_api_bier_table_add_del_t * mp) vnm = vnet_get_main (); vnm->api_errno = 0; - bier_table_id_t bti = { - .bti_set = mp->bt_tbl_id.bt_set, - .bti_sub_domain = mp->bt_tbl_id.bt_sub_domain, - .bti_hdr_len = mp->bt_tbl_id.bt_hdr_len_id, - .bti_type = BIER_TABLE_MPLS_SPF, - .bti_ecmp = BIER_ECMP_TABLE_ID_MAIN, - }; - - if (mp->bt_is_add) + if (mp->bt_tbl_id.bt_hdr_len_id >= BIER_HDR_LEN_2048) { - mpls_label_t label = ntohl(mp->bt_label); - - /* - * convert acceptable 'don't want a label' values from - * the API to the correct internal INVLID value - */ - if ((0 == label) || (~0 == label)) - { - label = MPLS_LABEL_INVALID; - } - bier_table_add_or_lock(&bti, label); + rv = VNET_API_ERROR_BIER_BSL_UNSUP; } else { - bier_table_unlock(&bti); - } + bier_table_id_t bti = { + .bti_set = mp->bt_tbl_id.bt_set, + .bti_sub_domain = mp->bt_tbl_id.bt_sub_domain, + .bti_hdr_len = mp->bt_tbl_id.bt_hdr_len_id, + .bti_type = BIER_TABLE_MPLS_SPF, + .bti_ecmp = BIER_ECMP_TABLE_ID_MAIN, + }; + + if (mp->bt_is_add) + { + mpls_label_t label = ntohl(mp->bt_label); - rv = vnm->api_errno; + /* + * convert acceptable 'don't want a label' values from + * the API to the correct internal INVLID value + */ + if ((0 == label) || (~0 == label)) + { + label = MPLS_LABEL_INVALID; + } + bier_table_add_or_lock(&bti, label); + } + else + { + bier_table_unlock(&bti); + } + + rv = vnm->api_errno; + } REPLY_MACRO (VL_API_BIER_TABLE_ADD_DEL_REPLY); } @@ -161,10 +168,14 @@ vl_api_bier_route_add_del_t_handler (vl_api_bier_route_add_del_t * mp) vnm = vnet_get_main (); vnm->api_errno = 0; - bp = ntohl(mp->br_bp); brpaths = NULL; + if (mp->br_tbl_id.bt_hdr_len_id >= BIER_HDR_LEN_2048) + { + rv = VNET_API_ERROR_BIER_BSL_UNSUP; + goto done; + } if (0 == bp || bp > BIER_BP_MAX) { rv = -1; @@ -242,9 +253,9 @@ vl_api_bier_route_add_del_t_handler (vl_api_bier_route_add_del_t * mp) { bier_table_route_remove(&bti, bp, brpaths); } + vec_free(brpaths); done: - vec_free(brpaths); rv = (rv == 0) ? vnm->api_errno : rv; REPLY_MACRO (VL_API_BIER_ROUTE_ADD_DEL_REPLY); @@ -333,26 +344,35 @@ vl_api_bier_imp_add_t_handler (vl_api_bier_imp_add_t * mp) vnm = vnet_get_main (); vnm->api_errno = 0; - bier_table_id_t bti = { - .bti_set = mp->bi_tbl_id.bt_set, - .bti_sub_domain = mp->bi_tbl_id.bt_sub_domain, - .bti_hdr_len = mp->bi_tbl_id.bt_hdr_len_id, - .bti_type = BIER_TABLE_MPLS_SPF, - .bti_ecmp = BIER_ECMP_TABLE_ID_MAIN, - }; - bier_bit_string_t bs = { - .bbs_len = mp->bi_n_bytes, - .bbs_buckets = mp->bi_bytes, - }; - - bii = bier_imp_add_or_lock(&bti, ntohs(mp->bi_src), &bs); + /* + * The BSL support by VPP is limited to the size of the + * available space in the vlib_buffer_t + */ + if (mp->bi_tbl_id.bt_hdr_len_id >= BIER_HDR_LEN_2048) + { + rv = VNET_API_ERROR_BIER_BSL_UNSUP; + } + else + { + bier_table_id_t bti = { + .bti_set = mp->bi_tbl_id.bt_set, + .bti_sub_domain = mp->bi_tbl_id.bt_sub_domain, + .bti_hdr_len = mp->bi_tbl_id.bt_hdr_len_id, + .bti_type = BIER_TABLE_MPLS_SPF, + .bti_ecmp = BIER_ECMP_TABLE_ID_MAIN, + }; + bier_bit_string_t bs = { + .bbs_len = mp->bi_n_bytes, + .bbs_buckets = mp->bi_bytes, + }; + + bii = bier_imp_add_or_lock(&bti, ntohs(mp->bi_src), &bs); + } - /* *INDENT-OFF* */ REPLY_MACRO2 (VL_API_BIER_IMP_ADD_REPLY, ({ rmp->bi_index = ntohl (bii); })); - /* *INDENT-OM* */ } static void @@ -395,10 +415,9 @@ send_bier_imp_details (vl_api_registration_t * reg, mp->bi_tbl_id.bt_sub_domain = bi->bi_tbl.bti_sub_domain; mp->bi_tbl_id.bt_hdr_len_id = bi->bi_tbl.bti_hdr_len; - mp->bi_src = htons(bier_hdr_get_src_id(©)); mp->bi_n_bytes = n_bytes; - memcpy(mp->bi_bytes, bi->bi_bits.bits, n_bytes); + memcpy(mp->bi_bytes, bi->bi_bits, n_bytes); vl_api_send_msg (reg, (u8 *) mp); } diff --git a/src/vnet/bier/bier_disp_table.c b/src/vnet/bier/bier_disp_table.c index db4a2a82d2b..c663286efcb 100644 --- a/src/vnet/bier/bier_disp_table.c +++ b/src/vnet/bier/bier_disp_table.c @@ -210,7 +210,7 @@ bier_disp_table_lookup_hton(index_t bdti, { bier_hdr_src_id_t src = bp; - return (bier_disp_table_lookup(bdti, clib_host_to_net_u32(src))); + return (bier_disp_table_lookup(bdti, clib_host_to_net_u16(src))); } void diff --git a/src/vnet/bier/bier_imp.c b/src/vnet/bier/bier_imp.c index c51dede9c0a..bd934b77f16 100644 --- a/src/vnet/bier/bier_imp.c +++ b/src/vnet/bier/bier_imp.c @@ -157,7 +157,7 @@ format_bier_imp (u8* s, va_list *args) bier_hdr_ntoh(©); bier_bit_string_init(&bbs, bier_hdr_get_len_id(©), - bi->bi_bits.bits); + bi->bi_bits); s = format(s, "\n%U%U", format_white_space, indent, diff --git a/src/vnet/bier/bier_imp.h b/src/vnet/bier/bier_imp.h index fa53989fc93..5b21b06b12d 100644 --- a/src/vnet/bier/bier_imp.h +++ b/src/vnet/bier/bier_imp.h @@ -33,16 +33,6 @@ */ typedef struct bier_imp_t_ { /** - * The BIER table into which to forward the post imposed packet - */ - bier_table_id_t bi_tbl; - - /** - * number of locks - */ - u32 bi_locks; - - /** * The DPO contirubted from the resolving BIER table. * One per-IP protocol. This allows us to share a BIER imposition * object for a IPv4 and IPv6 mfib path. @@ -60,7 +50,18 @@ typedef struct bier_imp_t_ { * largest header type so as the bitstring is on the same * cacheline as the header. */ - bier_bit_mask_4096_t bi_bits; + u8 bi_bits[BIER_HDR_BUCKETS_1024]; + + /** + * The BIER table into which to forward the post imposed packet + */ + bier_table_id_t bi_tbl; + + /** + * number of locks + */ + u32 bi_locks; + } bier_imp_t; extern index_t bier_imp_add_or_lock(const bier_table_id_t *bt, diff --git a/src/vnet/bier/bier_lookup.c b/src/vnet/bier/bier_lookup.c index 817dcc6f3e8..4e544a3aca5 100644 --- a/src/vnet/bier/bier_lookup.c +++ b/src/vnet/bier/bier_lookup.c @@ -84,6 +84,7 @@ bier_lookup (vlib_main_t * vm, u32 n_left_from, next_index, * from, * to_next; bier_lookup_main_t *blm = &bier_lookup_main; u32 thread_index = vlib_get_thread_index(); + bier_bit_mask_bucket_t buckets_copy[BIER_HDR_BUCKETS_4096]; from = vlib_frame_vector_args (from_frame); n_left_from = from_frame->n_vectors; @@ -98,7 +99,6 @@ bier_lookup (vlib_main_t * vm, while (n_left_from > 0 && n_left_to_next > 0) { - bier_bit_mask_bucket_t buckets_copy[BIER_HDR_BUCKETS_256]; u32 next0, bi0, n_bytes, bti0, bfmi0; const bier_fmask_t *bfm0; const bier_table_t *bt0; @@ -199,6 +199,9 @@ bier_lookup (vlib_main_t * vm, /* * go to the next bit-position set */ + vlib_node_increment_counter( + vm, node->node_index, + BIER_LOOKUP_ERROR_FMASK_UNRES, 1); bucket = ((int*)bbs.bbs_buckets)[index]; continue; } @@ -210,19 +213,19 @@ bier_lookup (vlib_main_t * vm, * Create the number of clones we need based on the number * of fmasks we are sending to. */ - u8 num_cloned, clone; + u16 num_cloned, clone; u32 n_clones; n_clones = vec_len(blm->blm_fmasks[thread_index]); if (PREDICT_TRUE(0 != n_clones)) { - ASSERT(n_clones < 256); num_cloned = vlib_buffer_clone(vm, bi0, blm->blm_clones[thread_index], - n_clones, 128); + n_clones, + n_bytes + 8); - if (num_cloned != n_clones) + if (num_cloned != vec_len(blm->blm_fmasks[thread_index])) { vlib_node_increment_counter (vm, node->node_index, @@ -301,12 +304,12 @@ bier_lookup (vlib_main_t * vm, } } - vlib_put_next_frame (vm, node, next_index, n_left_to_next); + vlib_put_next_frame(vm, node, next_index, n_left_to_next); } - vlib_node_increment_counter (vm, bier_lookup_node.index, - BIER_LOOKUP_ERROR_NONE, - from_frame->n_vectors); + vlib_node_increment_counter(vm, bier_lookup_node.index, + BIER_LOOKUP_ERROR_NONE, + from_frame->n_vectors); return (from_frame->n_vectors); } @@ -355,11 +358,11 @@ bier_lookup_module_init (vlib_main_t * vm) thread_index++) { /* - * 4096 is the most we will ever need to support - * a Bit-Mask length of 4096 + * 1024 is the most we will ever need to support + * a Bit-Mask length of 1024 */ - vec_validate(blm->blm_fmasks[thread_index], 4095); - vec_validate(blm->blm_clones[thread_index], 4095); + vec_validate(blm->blm_fmasks[thread_index], 1023); + vec_validate(blm->blm_clones[thread_index], 1023); } return 0; diff --git a/src/vnet/bier/bier_table.c b/src/vnet/bier/bier_table.c index 0f0f37677e9..80231fd8a72 100644 --- a/src/vnet/bier/bier_table.c +++ b/src/vnet/bier/bier_table.c @@ -562,20 +562,22 @@ bier_table_route_add (const bier_table_id_t *btid, } void -bier_table_route_remove (const bier_table_id_t *bti, +bier_table_route_remove (const bier_table_id_t *btid, bier_bp_t bp, fib_route_path_t *brps) { fib_route_path_t *brp = NULL; + index_t bfmi, bti, bei; bier_table_t *bt; - index_t bei; + u32 ii; - bt = bier_table_find(bti); + bt = bier_table_find(btid); if (NULL == bt) { return; } + bti = bier_table_get_index(bt); bei = bier_table_lookup(bt, bp); if (INDEX_INVALID == bei) @@ -584,9 +586,34 @@ bier_table_route_remove (const bier_table_id_t *bti, return; } - vec_foreach(brp, brps) + /* + * set the FIB index in the path to the BIER table index + */ + vec_foreach_index(ii, brps) { - brp->frp_bier_fib_index = bier_table_get_index(bt); + brp = &brps[ii]; + bfmi = bier_fmask_db_find(bti, brp); + + if (INDEX_INVALID == bfmi) + { + /* + * no matching fmask, not a path we can remove + */ + vec_del1(brps, ii); + continue; + } + + /* + * then modify the path to resolve via this fmask object + * and use it to resolve the BIER entry. + */ + brp->frp_flags = FIB_ROUTE_PATH_BIER_FMASK; + brp->frp_bier_fmask = bfmi; + } + + if (0 == vec_len(brps)) + { + return; } if (0 == bier_entry_path_remove(bei, brps)) diff --git a/src/vnet/bier/bier_test.c b/src/vnet/bier/bier_test.c index 0fbca7e7b9b..2c13abc2aea 100644 --- a/src/vnet/bier/bier_test.c +++ b/src/vnet/bier/bier_test.c @@ -310,7 +310,7 @@ bier_test_mpls_spf (void) .as_u32 = clib_host_to_net_u32(0x01010101), }, }; - fib_route_path_t *paths_1_1_1_1 = NULL; + fib_route_path_t *paths_1_1_1_1 = NULL, *input_paths_1_1_1_1; fib_route_path_t path_1_1_1_1 = { .frp_addr = nh_1_1_1_1, .frp_bier_fib_index = bti, @@ -325,7 +325,8 @@ bier_test_mpls_spf (void) }; index_t bei_1; - bier_table_route_add(&bt_0_0_0_256, 1, paths_1_1_1_1); + input_paths_1_1_1_1 = vec_dup(paths_1_1_1_1); + bier_table_route_add(&bt_0_0_0_256, 1, input_paths_1_1_1_1); bei_1 = bier_table_lookup(bier_table_get(bti), 1); BIER_TEST((INDEX_INVALID != bei_1), "BP:1 present"); @@ -477,7 +478,8 @@ bier_test_mpls_spf (void) */ index_t bei_2; - bier_table_route_add(&bt_0_0_0_256, 2, paths_1_1_1_1); + input_paths_1_1_1_1 = vec_dup(paths_1_1_1_1); + bier_table_route_add(&bt_0_0_0_256, 2, input_paths_1_1_1_1); bei_2 = bier_table_lookup(bier_table_get(bti), 2); bier_entry_contribute_forwarding(bei_2, &dpo_bei); @@ -498,13 +500,14 @@ bier_test_mpls_spf (void) .fp_len = 32, .fp_proto = FIB_PROTOCOL_IP4, }; - fib_route_path_t *paths_1_1_1_2 = NULL, path_1_1_1_2 = { + fib_route_path_t *paths_1_1_1_2 = NULL, *input_paths_1_1_1_2, path_1_1_1_2 = { .frp_addr = nh_1_1_1_2, .frp_bier_fib_index = bti, .frp_sw_if_index = ~0, }; vec_add1(path_1_1_1_2.frp_label_stack, 501); vec_add1(paths_1_1_1_2, path_1_1_1_2); + input_paths_1_1_1_2 = vec_dup(paths_1_1_1_2); index_t bei_3; mpls_label_t *out_lbl_101 = NULL; @@ -520,7 +523,7 @@ bier_test_mpls_spf (void) 1, out_lbl_101, FIB_ROUTE_PATH_FLAG_NONE); - bier_table_route_add(&bt_0_0_0_256, 3, paths_1_1_1_2); + bier_table_route_add(&bt_0_0_0_256, 3, input_paths_1_1_1_2); bei_3 = bier_table_lookup(bier_table_get(bti), 3); BIER_TEST((INDEX_INVALID != bei_3), "BP:3 present"); @@ -562,7 +565,8 @@ bier_test_mpls_spf (void) * Load-balance BP:3 over both next-hops */ paths_1_1_1_1[0] = path_1_1_1_1; - bier_table_route_add(&bt_0_0_0_256, 3, paths_1_1_1_1); + input_paths_1_1_1_1 = vec_dup(paths_1_1_1_1); + bier_table_route_add(&bt_0_0_0_256, 3, input_paths_1_1_1_1); BIER_TEST(bier_test_validate_entry(bei_3, 2, &dpo_o_bfm_1_1_1_1, @@ -630,7 +634,8 @@ bier_test_mpls_spf (void) /* * remove the original 1.1.1.2 fmask from BP:3 */ - bier_table_route_remove(&bt_0_0_0_256, 3, paths_1_1_1_2); + input_paths_1_1_1_2 = vec_dup(paths_1_1_1_2); + bier_table_route_remove(&bt_0_0_0_256, 3, input_paths_1_1_1_2); bier_entry_contribute_forwarding(bei_3, &dpo_bei); BIER_TEST((dpo_bei.dpoi_index == bfmi_1_1_1_1), "BP:3 stacks on fmask 1.1.1.1"); @@ -648,10 +653,14 @@ bier_test_mpls_spf (void) /* * remove the routes added */ - bier_table_route_remove(&bt_0_0_0_256, 2, paths_1_1_1_1); - bier_table_route_remove(&bt_0_0_0_256, 3, paths_1_1_1_2); - bier_table_route_remove(&bt_0_0_0_256, 3, paths_1_1_1_1); - bier_table_route_remove(&bt_0_0_0_256, 1, paths_1_1_1_1); + input_paths_1_1_1_1 = vec_dup(paths_1_1_1_1); + bier_table_route_remove(&bt_0_0_0_256, 2, input_paths_1_1_1_1); + input_paths_1_1_1_2 = vec_dup(paths_1_1_1_2); + bier_table_route_remove(&bt_0_0_0_256, 3, input_paths_1_1_1_2); + input_paths_1_1_1_1 = vec_dup(paths_1_1_1_1); + bier_table_route_remove(&bt_0_0_0_256, 3, input_paths_1_1_1_1); + input_paths_1_1_1_1 = vec_dup(paths_1_1_1_1); + bier_table_route_remove(&bt_0_0_0_256, 1, input_paths_1_1_1_1); /* * delete the table @@ -685,6 +694,8 @@ bier_test_mpls_spf (void) vec_free(paths_1_1_1_1); vec_free(paths_1_1_1_2); + vec_free(input_paths_1_1_1_1); + vec_free(input_paths_1_1_1_2); return (0); } diff --git a/src/vnet/bier/bier_types.h b/src/vnet/bier/bier_types.h index d484ba9ed03..ebddbe8d820 100644 --- a/src/vnet/bier/bier_types.h +++ b/src/vnet/bier/bier_types.h @@ -56,6 +56,11 @@ typedef enum bier_hdr_len_id_t_ { BIER_HDR_LEN_256, BIER_HDR_LEN_512, BIER_HDR_LEN_1024, + /** + * Bit-string lengths greater than 1024 are not supported due to the + * limited about pf space available in a vlib_buffer_t to prepend a + * BIER header at imposition. + */ BIER_HDR_LEN_2048, BIER_HDR_LEN_4096, BIER_HDR_LEN_INVALID, @@ -252,56 +257,6 @@ typedef enum bier_hdr_ctrl_sub_code_t_ { typedef u8 bier_bit_mask_bucket_t; /** - * A BIER Bit-String value of length 64 bits. - */ -typedef struct bier_bit_mask_64_t_ { - bier_bit_mask_bucket_t bits[BIER_HDR_BUCKETS_64]; -} bier_bit_mask_64_t; - -/** - * A BIER Bit-String value of length 128 bits. - */ -typedef struct bier_bit_mask_128_t_ { - bier_bit_mask_bucket_t bits[BIER_HDR_BUCKETS_128]; -} bier_bit_mask_128_t; - -/** - * A BIER Bit-String value of length 256 bits. - */ -typedef struct bier_bit_mask_256_t_ { - bier_bit_mask_bucket_t bits[BIER_HDR_BUCKETS_256]; -} bier_bit_mask_256_t; - -/** - * A BIER Bit-String value of length 512 bits. - */ -typedef struct bier_bit_mask_512_t_ { - bier_bit_mask_bucket_t bits[BIER_HDR_BUCKETS_512]; -} bier_bit_mask_512_t; - -/** - * A BIER Bit-String value of length 1024 bits. - */ -typedef struct bier_bit_mask_1024_t_ { - bier_bit_mask_bucket_t bits[BIER_HDR_BUCKETS_1024]; -} bier_bit_mask_1024_t; - -/** - * A BIER Bit-String value of length 2048 bits. - */ -typedef struct bier_bit_mask_2048_t_ { - bier_bit_mask_bucket_t bits[BIER_HDR_BUCKETS_2048]; -} bier_bit_mask_2048_t; - -/** - * A BIER Bit-String value of length 4096 bits. - */ -typedef struct bier_bit_mask_4096_t_ { - bier_bit_mask_bucket_t bits[BIER_HDR_BUCKETS_4096]; -} bier_bit_mask_4096_t; - - -/** * 256 bits = 32 bytes */ #define BIER_BIT_MASK_NUM_BUCKETS 32 @@ -333,13 +288,6 @@ typedef struct bier_bit_string_t_ { } bier_bit_string_t; /** - * A BIER Bit-mask value - * - * The size of this mask represents this platforms BIER capabilities - */ -typedef bier_bit_mask_256_t bier_bit_mask_t; - -/** * A bit positon * as assigned to egress PEs */ diff --git a/src/vnet/dpo/replicate_dpo.c b/src/vnet/dpo/replicate_dpo.c index ae045f6a431..95d7f9748ab 100644 --- a/src/vnet/dpo/replicate_dpo.c +++ b/src/vnet/dpo/replicate_dpo.c @@ -667,7 +667,8 @@ replicate_inline (vlib_main_t * vm, vec_validate (rm->clones[thread_index], rep0->rep_n_buckets - 1); - num_cloned = vlib_buffer_clone (vm, bi0, rm->clones[thread_index], rep0->rep_n_buckets, 128); + num_cloned = vlib_buffer_clone (vm, bi0, rm->clones[thread_index], + rep0->rep_n_buckets, 128); if (num_cloned != rep0->rep_n_buckets) { |