X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Fmpls%2Fmpls_api.c;h=4ac5ea728214656b5fb373b5bb7d2168efef9e20;hb=775f73c;hp=ebbeba698a1b4f06dd6baffb5f6ba1d5bbde81d8;hpb=0f971d8c22adf89d3f8592ac0d207727f2b1a23a;p=vpp.git diff --git a/src/vnet/mpls/mpls_api.c b/src/vnet/mpls/mpls_api.c index ebbeba698a1..4ac5ea72821 100644 --- a/src/vnet/mpls/mpls_api.c +++ b/src/vnet/mpls/mpls_api.c @@ -26,6 +26,8 @@ #include #include #include +#include +#include #include @@ -48,15 +50,58 @@ #define foreach_vpe_api_msg \ _(MPLS_IP_BIND_UNBIND, mpls_ip_bind_unbind) \ _(MPLS_ROUTE_ADD_DEL, mpls_route_add_del) \ +_(MPLS_TABLE_ADD_DEL, mpls_table_add_del) \ _(MPLS_TUNNEL_ADD_DEL, mpls_tunnel_add_del) \ _(MPLS_TUNNEL_DUMP, mpls_tunnel_dump) \ -_(MPLS_TUNNEL_DETAILS, mpls_tunnel_details) \ -_(MPLS_FIB_DUMP, mpls_fib_dump) \ -_(MPLS_FIB_DETAILS, mpls_fib_details) +_(SW_INTERFACE_SET_MPLS_ENABLE, sw_interface_set_mpls_enable) \ +_(MPLS_FIB_DUMP, mpls_fib_dump) extern void stats_dslock_with_hint (int hint, int tag); extern void stats_dsunlock (void); +void +mpls_table_delete (u32 table_id, u8 is_api) +{ + u32 fib_index; + + /* + * The MPLS defult table must also be explicitly created via the API. + * So in contrast to IP, it gets no special treatment here. + * + * The API holds only one lock on the table. + * i.e. it can be added many times via the API but needs to be + * deleted only once. + */ + fib_index = fib_table_find (FIB_PROTOCOL_MPLS, table_id); + + if (~0 != fib_index) + { + fib_table_unlock (fib_index, + FIB_PROTOCOL_MPLS, + (is_api ? FIB_SOURCE_API : FIB_SOURCE_CLI)); + } +} + +void +vl_api_mpls_table_add_del_t_handler (vl_api_mpls_table_add_del_t * mp) +{ + vl_api_mpls_table_add_del_reply_t *rmp; + vnet_main_t *vnm; + int rv = 0; + + vnm = vnet_get_main (); + vnm->api_errno = 0; + + if (mp->mt_is_add) + mpls_table_create (ntohl (mp->mt_table_id), 1, mp->mt_name); + else + mpls_table_delete (ntohl (mp->mt_table_id), 1); + + // NB: Nothing sets rv; none of the above returns an error + + REPLY_MACRO (VL_API_MPLS_TABLE_ADD_DEL_REPLY); +} + static int mpls_ip_bind_unbind_handler (vnet_main_t * vnm, vl_api_mpls_ip_bind_unbind_t * mp) @@ -68,14 +113,7 @@ mpls_ip_bind_unbind_handler (vnet_main_t * vnm, if (~0 == mpls_fib_index) { - if (mp->mb_create_table_if_needed) - { - mpls_fib_index = - fib_table_find_or_create_and_lock (FIB_PROTOCOL_MPLS, - ntohl (mp->mb_mpls_table_id)); - } - else - return VNET_API_ERROR_NO_SUCH_FIB; + return VNET_API_ERROR_NO_SUCH_FIB; } ip_fib_index = fib_table_find ((mp->mb_is_ip4 ? @@ -130,10 +168,11 @@ vl_api_mpls_ip_bind_unbind_t_handler (vl_api_mpls_ip_bind_unbind_t * mp) static int mpls_route_add_del_t_handler (vnet_main_t * vnm, - vl_api_mpls_route_add_del_t * mp) + vl_api_mpls_route_add_del_t * mp, + u32 * stats_index) { + fib_mpls_label_t *label_stack = NULL; u32 fib_index, next_hop_fib_index; - mpls_label_t *label_stack = NULL; int rv, ii, n_labels;; fib_prefix_t pfx = { @@ -144,14 +183,7 @@ mpls_route_add_del_t_handler (vnet_main_t * vnm, }; if (pfx.fp_eos) { - if (mp->mr_next_hop_proto_is_ip4) - { - pfx.fp_payload_proto = DPO_PROTO_IP4; - } - else - { - pfx.fp_payload_proto = DPO_PROTO_IP6; - } + pfx.fp_payload_proto = mp->mr_next_hop_proto; } else { @@ -161,49 +193,71 @@ mpls_route_add_del_t_handler (vnet_main_t * vnm, rv = add_del_route_check (FIB_PROTOCOL_MPLS, mp->mr_table_id, mp->mr_next_hop_sw_if_index, - dpo_proto_to_fib (pfx.fp_payload_proto), + pfx.fp_payload_proto, mp->mr_next_hop_table_id, - mp->mr_create_table_if_needed, + mp->mr_is_rpf_id, &fib_index, &next_hop_fib_index); if (0 != rv) return (rv); ip46_address_t nh; - memset (&nh, 0, sizeof (nh)); + clib_memset (&nh, 0, sizeof (nh)); - if (mp->mr_next_hop_proto_is_ip4) + if (DPO_PROTO_IP4 == mp->mr_next_hop_proto) memcpy (&nh.ip4, mp->mr_next_hop, sizeof (nh.ip4)); - else + else if (DPO_PROTO_IP6 == mp->mr_next_hop_proto) memcpy (&nh.ip6, mp->mr_next_hop, sizeof (nh.ip6)); n_labels = mp->mr_next_hop_n_out_labels; if (n_labels == 0) ; - else if (1 == n_labels) - vec_add1 (label_stack, ntohl (mp->mr_next_hop_out_label_stack[0])); else { vec_validate (label_stack, n_labels - 1); for (ii = 0; ii < n_labels; ii++) - label_stack[ii] = ntohl (mp->mr_next_hop_out_label_stack[ii]); + { + label_stack[ii].fml_value = + ntohl (mp->mr_next_hop_out_label_stack[ii].label); + label_stack[ii].fml_ttl = mp->mr_next_hop_out_label_stack[ii].ttl; + label_stack[ii].fml_exp = mp->mr_next_hop_out_label_stack[ii].exp; + label_stack[ii].fml_mode = + (mp->mr_next_hop_out_label_stack[ii].is_uniform ? + FIB_MPLS_LSP_MODE_UNIFORM : FIB_MPLS_LSP_MODE_PIPE); + } } - return (add_del_route_t_handler (mp->mr_is_multipath, mp->mr_is_add, 0, // mp->is_drop, - 0, // mp->is_unreach, - 0, // mp->is_prohibit, - 0, // mp->is_local, - mp->mr_is_classify, - mp->mr_classify_table_index, - mp->mr_is_resolve_host, - mp->mr_is_resolve_attached, + /* *INDENT-OFF* */ + rv = add_del_route_t_handler (mp->mr_is_multipath, mp->mr_is_add, + 0, // mp->is_drop, + 0, // mp->is_unreach, + 0, // mp->is_prohibit, + 0, // mp->is_local, + mp->mr_is_multicast, + mp->mr_is_classify, + mp->mr_classify_table_index, + mp->mr_is_resolve_host, + mp->mr_is_resolve_attached, + mp->mr_is_interface_rx, + mp->mr_is_rpf_id, + 0, // l2_bridged + 0, // is source_lookup + 0, // is_udp_encap fib_index, &pfx, - mp->mr_next_hop_proto_is_ip4, - &nh, ntohl (mp->mr_next_hop_sw_if_index), - next_hop_fib_index, - mp->mr_next_hop_weight, - ntohl (mp->mr_next_hop_via_label), - label_stack)); + mp->mr_next_hop_proto, + &nh, ~0, // next_hop_id + ntohl (mp->mr_next_hop_sw_if_index), + next_hop_fib_index, + mp->mr_next_hop_weight, + mp->mr_next_hop_preference, + ntohl (mp->mr_next_hop_via_label), + label_stack); + /* *INDENT-ON* */ + + if (mp->mr_is_add && 0 == rv) + *stats_index = fib_table_entry_get_stats_index (fib_index, &pfx); + + return (rv); } void @@ -211,232 +265,324 @@ vl_api_mpls_route_add_del_t_handler (vl_api_mpls_route_add_del_t * mp) { vl_api_mpls_route_add_del_reply_t *rmp; vnet_main_t *vnm; + u32 stats_index; int rv; vnm = vnet_get_main (); - vnm->api_errno = 0; + stats_index = ~0; - rv = mpls_route_add_del_t_handler (vnm, mp); + rv = mpls_route_add_del_t_handler (vnm, mp, &stats_index); - rv = (rv == 0) ? vnm->api_errno : rv; + /* *INDENT-OFF* */ + REPLY_MACRO2 (VL_API_MPLS_ROUTE_ADD_DEL_REPLY, + ({ + rmp->stats_index = htonl (stats_index); + })); + /* *INDENT-ON* */ +} + +void +mpls_table_create (u32 table_id, u8 is_api, const u8 * name) +{ + u32 fib_index; + + /* + * The MPLS defult table must also be explicitly created via the API. + * So in contrast to IP, it gets no special treatment here. + */ + + /* + * The API holds only one lock on the table. + * i.e. it can be added many times via the API but needs to be + * deleted only once. + */ + fib_index = fib_table_find (FIB_PROTOCOL_MPLS, table_id); - REPLY_MACRO (VL_API_MPLS_ROUTE_ADD_DEL_REPLY); + if (~0 == fib_index) + { + fib_table_find_or_create_and_lock_w_name (FIB_PROTOCOL_MPLS, + table_id, + (is_api ? + FIB_SOURCE_API : + FIB_SOURCE_CLI), name); + } } static void vl_api_mpls_tunnel_add_del_t_handler (vl_api_mpls_tunnel_add_del_t * mp) { + u32 tunnel_sw_if_index = ~0, tunnel_index = ~0, next_hop_via_label; vl_api_mpls_tunnel_add_del_reply_t *rmp; - int rv = 0; - u32 tunnel_sw_if_index; - int ii; + fib_route_path_t rpath, *rpaths = NULL; + int ii, rv = 0; + + clib_memset (&rpath, 0, sizeof (rpath)); stats_dslock_with_hint (1 /* release hint */ , 5 /* tag */ ); - if (mp->mt_is_add) + if (mp->mt_next_hop_proto_is_ip4) + { + rpath.frp_proto = DPO_PROTO_IP4; + clib_memcpy (&rpath.frp_addr.ip4, + mp->mt_next_hop, sizeof (rpath.frp_addr.ip4)); + } + else { - fib_route_path_t rpath, *rpaths = NULL; - mpls_label_t *label_stack = NULL; + rpath.frp_proto = DPO_PROTO_IP6; + clib_memcpy (&rpath.frp_addr.ip6, + mp->mt_next_hop, sizeof (rpath.frp_addr.ip6)); + } + rpath.frp_sw_if_index = ntohl (mp->mt_next_hop_sw_if_index); + rpath.frp_weight = mp->mt_next_hop_weight; + rpath.frp_preference = mp->mt_next_hop_preference; - memset (&rpath, 0, sizeof (rpath)); + next_hop_via_label = ntohl (mp->mt_next_hop_via_label); + if ((MPLS_LABEL_INVALID != next_hop_via_label) && (0 != next_hop_via_label)) + { + rpath.frp_proto = DPO_PROTO_MPLS; + rpath.frp_local_label = next_hop_via_label; + rpath.frp_eos = MPLS_NON_EOS; + } - if (mp->mt_next_hop_proto_is_ip4) + if (rpath.frp_sw_if_index == ~0) + { /* recursive path, set fib index */ + rpath.frp_fib_index = + fib_table_find (dpo_proto_to_fib (rpath.frp_proto), + ntohl (mp->mt_next_hop_table_id)); + if (rpath.frp_fib_index == ~0) { - rpath.frp_proto = FIB_PROTOCOL_IP4; - clib_memcpy (&rpath.frp_addr.ip4, - mp->mt_next_hop, sizeof (rpath.frp_addr.ip4)); + rv = VNET_API_ERROR_NO_SUCH_FIB; + goto out; } - else + } + + if (mp->mt_is_add) + { + for (ii = 0; ii < mp->mt_next_hop_n_out_labels; ii++) { - rpath.frp_proto = FIB_PROTOCOL_IP6; - clib_memcpy (&rpath.frp_addr.ip6, - mp->mt_next_hop, sizeof (rpath.frp_addr.ip6)); + fib_mpls_label_t fml = { + .fml_value = ntohl (mp->mt_next_hop_out_label_stack[ii].label), + .fml_ttl = mp->mt_next_hop_out_label_stack[ii].ttl, + .fml_exp = mp->mt_next_hop_out_label_stack[ii].exp, + .fml_mode = (mp->mt_next_hop_out_label_stack[ii].is_uniform ? + FIB_MPLS_LSP_MODE_UNIFORM : FIB_MPLS_LSP_MODE_PIPE), + }; + vec_add1 (rpath.frp_label_stack, fml); } - rpath.frp_sw_if_index = ntohl (mp->mt_next_hop_sw_if_index); + } - for (ii = 0; ii < mp->mt_next_hop_n_out_labels; ii++) - vec_add1 (label_stack, ntohl (mp->mt_next_hop_out_label_stack[ii])); + vec_add1 (rpaths, rpath); - vec_add1 (rpaths, rpath); + tunnel_sw_if_index = ntohl (mp->mt_sw_if_index); + + if (mp->mt_is_add) + { + if (~0 == tunnel_sw_if_index) + tunnel_sw_if_index = vnet_mpls_tunnel_create (mp->mt_l2_only, + mp->mt_is_multicast); + vnet_mpls_tunnel_path_add (tunnel_sw_if_index, rpaths); - vnet_mpls_tunnel_add (rpaths, label_stack, - mp->mt_l2_only, &tunnel_sw_if_index); - vec_free (rpaths); - vec_free (label_stack); + tunnel_index = vnet_mpls_tunnel_get_index (tunnel_sw_if_index); } else { + tunnel_index = vnet_mpls_tunnel_get_index (tunnel_sw_if_index); tunnel_sw_if_index = ntohl (mp->mt_sw_if_index); - vnet_mpls_tunnel_del (tunnel_sw_if_index); + if (!vnet_mpls_tunnel_path_remove (tunnel_sw_if_index, rpaths)) + vnet_mpls_tunnel_del (tunnel_sw_if_index); } + vec_free (rpaths); + stats_dsunlock (); +out: /* *INDENT-OFF* */ REPLY_MACRO2(VL_API_MPLS_TUNNEL_ADD_DEL_REPLY, ({ rmp->sw_if_index = ntohl(tunnel_sw_if_index); + rmp->tunnel_index = ntohl(tunnel_index); })); /* *INDENT-ON* */ } static void -vl_api_mpls_tunnel_details_t_handler (vl_api_mpls_tunnel_details_t * mp) + vl_api_sw_interface_set_mpls_enable_t_handler + (vl_api_sw_interface_set_mpls_enable_t * mp) { - clib_warning ("BUG"); + vl_api_sw_interface_set_mpls_enable_reply_t *rmp; + int rv = 0; + + VALIDATE_SW_IF_INDEX (mp); + + rv = mpls_sw_interface_enable_disable (&mpls_main, + ntohl (mp->sw_if_index), + mp->enable, 1); + + BAD_SW_IF_INDEX_LABEL; + REPLY_MACRO (VL_API_SW_INTERFACE_SET_MPLS_ENABLE_REPLY); } typedef struct mpls_tunnel_send_walk_ctx_t_ { - unix_shared_memory_queue_t *q; - u32 index; + vl_api_registration_t *reg; + u32 sw_if_index; u32 context; } mpls_tunnel_send_walk_ctx_t; static void send_mpls_tunnel_entry (u32 mti, void *arg) { + fib_route_path_encode_t *api_rpaths = NULL, *api_rpath; mpls_tunnel_send_walk_ctx_t *ctx; vl_api_mpls_tunnel_details_t *mp; const mpls_tunnel_t *mt; - u32 nlabels; + vl_api_fib_path_t *fp; + u32 n; ctx = arg; - if (~0 != ctx->index && mti != ctx->index) + mt = mpls_tunnel_get (mti); + + if (~0 != ctx->sw_if_index && mt->mt_sw_if_index != ctx->sw_if_index) return; - mt = mpls_tunnel_get (mti); - nlabels = vec_len (mt->mt_label_stack); + n = fib_path_list_get_n_paths (mt->mt_path_list); + + mp = vl_msg_api_alloc (sizeof (*mp) + n * sizeof (vl_api_fib_path_t)); + clib_memset (mp, 0, sizeof (*mp) + n * sizeof (vl_api_fib_path_t)); - mp = vl_msg_api_alloc (sizeof (*mp) + nlabels * sizeof (u32)); - memset (mp, 0, sizeof (*mp)); mp->_vl_msg_id = ntohs (VL_API_MPLS_TUNNEL_DETAILS); mp->context = ctx->context; - mp->tunnel_index = ntohl (mti); - memcpy (mp->mt_next_hop_out_labels, - mt->mt_label_stack, nlabels * sizeof (u32)); + mp->mt_tunnel_index = ntohl (mti); + mp->mt_sw_if_index = ntohl (mt->mt_sw_if_index); + mp->mt_count = ntohl (n); - // FIXME + fib_path_list_walk_w_ext (mt->mt_path_list, + &mt->mt_path_exts, fib_path_encode, &api_rpaths); + + fp = mp->mt_paths; + vec_foreach (api_rpath, api_rpaths) + { + fib_api_path_encode (api_rpath, fp); + fp++; + } - vl_msg_api_send_shmem (ctx->q, (u8 *) & mp); + vl_api_send_msg (ctx->reg, (u8 *) mp); } static void vl_api_mpls_tunnel_dump_t_handler (vl_api_mpls_tunnel_dump_t * mp) { - unix_shared_memory_queue_t *q; + vl_api_registration_t *reg; - q = vl_api_client_index_to_input_queue (mp->client_index); - if (q == 0) + reg = vl_api_client_index_to_registration (mp->client_index); + if (!reg) return; mpls_tunnel_send_walk_ctx_t ctx = { - .q = q, - .index = ntohl (mp->tunnel_index), + .reg = reg, + .sw_if_index = ntohl (mp->sw_if_index), .context = mp->context, }; mpls_tunnel_walk (send_mpls_tunnel_entry, &ctx); } -static void -vl_api_mpls_fib_details_t_handler (vl_api_mpls_fib_details_t * mp) -{ - clib_warning ("BUG"); -} - -static void -vl_api_mpls_fib_details_t_endian (vl_api_mpls_fib_details_t * mp) -{ - clib_warning ("BUG"); -} - -static void -vl_api_mpls_fib_details_t_print (vl_api_mpls_fib_details_t * mp) -{ - clib_warning ("BUG"); -} - static void send_mpls_fib_details (vpe_api_main_t * am, - unix_shared_memory_queue_t * q, - u32 table_id, u32 label, u32 eos, + vl_api_registration_t * reg, + const fib_table_t * table, + const fib_prefix_t * pfx, fib_route_path_encode_t * api_rpaths, u32 context) { vl_api_mpls_fib_details_t *mp; fib_route_path_encode_t *api_rpath; - vl_api_fib_path2_t *fp; + vl_api_fib_path_t *fp; int path_count; path_count = vec_len (api_rpaths); mp = vl_msg_api_alloc (sizeof (*mp) + path_count * sizeof (*fp)); if (!mp) return; - memset (mp, 0, sizeof (*mp)); + clib_memset (mp, 0, sizeof (*mp)); mp->_vl_msg_id = ntohs (VL_API_MPLS_FIB_DETAILS); mp->context = context; - mp->table_id = htonl (table_id); - mp->eos_bit = eos; - mp->label = htonl (label); + mp->table_id = htonl (table->ft_table_id); + memcpy (mp->table_name, table->ft_desc, + clib_min (vec_len (table->ft_desc), sizeof (mp->table_name))); + mp->eos_bit = pfx->fp_eos; + mp->label = htonl (pfx->fp_label); mp->count = htonl (path_count); fp = mp->path; vec_foreach (api_rpath, api_rpaths) { - memset (fp, 0, sizeof (*fp)); - fp->weight = htonl (api_rpath->rpath.frp_weight); - fp->sw_if_index = htonl (api_rpath->rpath.frp_sw_if_index); - copy_fib_next_hop (api_rpath, fp); + fib_api_path_encode (api_rpath, fp); fp++; } - vl_msg_api_send_shmem (q, (u8 *) & mp); + vl_api_send_msg (reg, (u8 *) mp); +} + +typedef struct vl_api_mpls_fib_dump_table_walk_ctx_t_ +{ + fib_node_index_t *lfeis; +} vl_api_mpls_fib_dump_table_walk_ctx_t; + +static fib_table_walk_rc_t +vl_api_mpls_fib_dump_table_walk (fib_node_index_t fei, void *arg) +{ + vl_api_mpls_fib_dump_table_walk_ctx_t *ctx = arg; + + vec_add1 (ctx->lfeis, fei); + + return (FIB_TABLE_WALK_CONTINUE); } static void vl_api_mpls_fib_dump_t_handler (vl_api_mpls_fib_dump_t * mp) { vpe_api_main_t *am = &vpe_api_main; - unix_shared_memory_queue_t *q; + vl_api_registration_t *reg; mpls_main_t *mm = &mpls_main; fib_table_t *fib_table; - fib_node_index_t lfei, *lfeip, *lfeis = NULL; - mpls_label_t key; - fib_prefix_t pfx; + mpls_fib_t *mpls_fib; + fib_node_index_t *lfeip = NULL; + const fib_prefix_t *pfx; u32 fib_index; fib_route_path_encode_t *api_rpaths; + vl_api_mpls_fib_dump_table_walk_ctx_t ctx = { + .lfeis = NULL, + }; - q = vl_api_client_index_to_input_queue (mp->client_index); - if (q == 0) + reg = vl_api_client_index_to_registration (mp->client_index); + if (!reg) return; /* *INDENT-OFF* */ - pool_foreach (fib_table, mm->fibs, + pool_foreach (mpls_fib, mm->mpls_fibs, ({ - hash_foreach(key, lfei, fib_table->mpls.mf_entries, - ({ - vec_add1(lfeis, lfei); - })); + mpls_fib_table_walk (mpls_fib, + vl_api_mpls_fib_dump_table_walk, + &ctx); })); /* *INDENT-ON* */ - vec_sort_with_function (lfeis, fib_entry_cmp_for_sort); + vec_sort_with_function (ctx.lfeis, fib_entry_cmp_for_sort); - vec_foreach (lfeip, lfeis) + vec_foreach (lfeip, ctx.lfeis) { - fib_entry_get_prefix (*lfeip, &pfx); + pfx = fib_entry_get_prefix (*lfeip); fib_index = fib_entry_get_fib_index (*lfeip); - fib_table = fib_table_get (fib_index, pfx.fp_proto); + fib_table = fib_table_get (fib_index, pfx->fp_proto); api_rpaths = NULL; fib_entry_encode (*lfeip, &api_rpaths); - send_mpls_fib_details (am, q, - fib_table->ft_table_id, - pfx.fp_label, pfx.fp_eos, api_rpaths, mp->context); + send_mpls_fib_details (am, reg, fib_table, pfx, api_rpaths, mp->context); vec_free (api_rpaths); } - vec_free (lfeis); + vec_free (ctx.lfeis); } /*