diff options
Diffstat (limited to 'hicn-plugin')
| -rw-r--r-- | hicn-plugin/CMakeLists.txt | 4 | ||||
| -rw-r--r-- | hicn-plugin/src/faces/app/face_prod.c | 4 | ||||
| -rw-r--r-- | hicn-plugin/src/faces/ip/dpo_ip.c | 106 | ||||
| -rw-r--r-- | hicn-plugin/src/faces/ip/dpo_ip.h | 117 | ||||
| -rw-r--r-- | hicn-plugin/src/faces/ip/face_ip.c | 341 | ||||
| -rw-r--r-- | hicn-plugin/src/faces/ip/face_ip.h | 62 | ||||
| -rw-r--r-- | hicn-plugin/src/faces/ip/face_ip_cli.c | 4 | ||||
| -rw-r--r-- | hicn-plugin/src/faces/ip/face_ip_node.c | 3 | ||||
| -rw-r--r-- | hicn-plugin/src/hicn.h | 5 | ||||
| -rw-r--r-- | hicn-plugin/src/hicn_api.c | 2 |
10 files changed, 417 insertions, 231 deletions
diff --git a/hicn-plugin/CMakeLists.txt b/hicn-plugin/CMakeLists.txt index 97279e540..8425a5cf3 100644 --- a/hicn-plugin/CMakeLists.txt +++ b/hicn-plugin/CMakeLists.txt @@ -307,6 +307,10 @@ install(FILES ${HICN_API_HEADER_FILES} ${HICN_API_GENERATED_FILES} DESTINATION ${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_INCLUDEDIR}/vpp_plugins/hicn COMPONENT ${HICN_PLUGIN}-dev) +install(FILES ${HICN_API_GENERATED_FILES} + DESTINATION ${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_INCLUDEDIR}/vpp_plugins/hicn + COMPONENT ${HICN_PLUGIN_DEV}) + install(FILES ${HICN_VAPI_GENERATED_FILES} DESTINATION ${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_INCLUDEDIR}/vapi COMPONENT ${HICN_PLUGIN}-dev) diff --git a/hicn-plugin/src/faces/app/face_prod.c b/hicn-plugin/src/faces/app/face_prod.c index 7e6117b84..bbcc7fa6e 100644 --- a/hicn-plugin/src/faces/app/face_prod.c +++ b/hicn-plugin/src/faces/app/face_prod.c @@ -218,7 +218,7 @@ hicn_face_prod_add (hicn_prefix_t * prefix, u32 sw_if, u32 * cs_reserved, remote_app_ip = to_ip46 ( /* isv6 */ 0, remote_app_ip4.as_u8); ret = - hicn_face_ip_add (&local_app_ip, &remote_app_ip, sw_if, faceid); + hicn_face_ip_add (&local_app_ip, &remote_app_ip, sw_if, faceid, HICN_FACE_FLAGS_APPFACE_PROD); } else { @@ -238,7 +238,7 @@ hicn_face_prod_add (hicn_prefix_t * prefix, u32 sw_if, u32 * cs_reserved, remote_app_ip = to_ip46 ( /* isv6 */ 1, remote_app_ip6.as_u8); ret = - hicn_face_ip_add (&local_app_ip, &remote_app_ip, sw_if, faceid); + hicn_face_ip_add (&local_app_ip, &remote_app_ip, sw_if, faceid, HICN_FACE_FLAGS_APPFACE_PROD); } face = hicn_dpoi_get_from_idx (*faceid); diff --git a/hicn-plugin/src/faces/ip/dpo_ip.c b/hicn-plugin/src/faces/ip/dpo_ip.c index de71f1b01..d05fec1a0 100644 --- a/hicn-plugin/src/faces/ip/dpo_ip.c +++ b/hicn-plugin/src/faces/ip/dpo_ip.c @@ -19,6 +19,8 @@ mhash_t hicn_face_ip_local_hashtb; mhash_t hicn_face_ip_remote_hashtb; dpo_type_t hicn_face_ip_type; +hicn_face_ip_vec_t * hicn_vec_pool; + const static char *const hicn_face_ip4dpoi_nodes[] = { "hicn-face-ip4-input", "hicn-face-ip4-output", @@ -51,12 +53,14 @@ void hicn_dpo_ip_module_init (void) { mhash_init (&hicn_face_ip_local_hashtb, - sizeof (hicn_face_id_t) /* value */ , + sizeof (hicn_face_ip_input_faces_t) /* value */ , sizeof (hicn_face_ip_key_t) /* key */ ); mhash_init (&hicn_face_ip_remote_hashtb, sizeof (hicn_face_id_t) /* value */ , sizeof (hicn_face_ip_key_t) /* key */ ); + pool_alloc(hicn_vec_pool, 100); + /* * How much useful is the following registration? * So far it seems that we need it only for setting the dpo_type. @@ -65,106 +69,6 @@ hicn_dpo_ip_module_init (void) dpo_register_new_type (&hicn_face_ip_vft, hicn_ip_nodes); } - -int -hicn_dpo_ip4_create (dpo_id_t * dpo, - const ip4_address_t * local_addr, - const ip4_address_t * remote_addr, - u32 sw_if, - adj_index_t adj, - u32 node_index, - hicn_face_flags_t flags, hicn_face_id_t * face_id) -{ - /* If local matches the dpoi is a face */ - hicn_face_t *face = - hicn_face_ip4_get (local_addr, sw_if, &hicn_face_ip_local_hashtb); - u8 hicnb_flags; - - if (face != NULL) - return HICN_ERROR_FACE_ALREADY_CREATED; - - face = hicn_face_ip4_get (remote_addr, sw_if, &hicn_face_ip_remote_hashtb); - - if (face == NULL) - { - hicn_dpo_ip4_add_and_lock_from_remote (dpo, &hicnb_flags, local_addr, - remote_addr, sw_if, node_index); - *face_id = (hicn_face_id_t) dpo->dpoi_index; - face = hicn_dpoi_get_from_idx (*face_id); - } - else - { - *face_id = hicn_dpoi_get_index (face); - dpo_set (dpo, hicn_face_ip_type, DPO_PROTO_IP4, *face_id); - dpo->dpoi_next_node = node_index; - } - - - hicn_face_ip_key_t key; - hicn_face_ip4_get_key (local_addr, sw_if, &key); - - mhash_set_mem (&hicn_face_ip_local_hashtb, &key, (uword *) face_id, 0); - - hicn_face_ip_t *ip_face = (hicn_face_ip_t *) face->data; - ip46_address_set_ip4 (&ip_face->local_addr, local_addr); - ip46_address_set_ip4 (&ip_face->remote_addr, remote_addr); - face->shared.flags = flags; - face->shared.adj = adj; - - return HICN_ERROR_NONE; -} - -int -hicn_dpo_ip6_create (dpo_id_t * dpo, - const ip6_address_t * local_addr, - const ip6_address_t * remote_addr, - u32 sw_if, - adj_index_t adj, - u32 node_index, - hicn_face_flags_t flags, hicn_face_id_t * face_id) -{ - /* If local matches the dpoi is a face */ - hicn_face_t *face = - hicn_face_ip6_get (local_addr, sw_if, &hicn_face_ip_local_hashtb); - - u8 hicnb_flags; - - if (face != NULL) - return HICN_ERROR_FACE_ALREADY_CREATED; - - face = hicn_face_ip6_get (remote_addr, sw_if, &hicn_face_ip_remote_hashtb); - - /* If remote matches the dpoi is a iface */ - if (face == NULL) - { - hicn_dpo_ip6_add_and_lock_from_remote (dpo, &hicnb_flags, local_addr, - remote_addr, sw_if, node_index); - *face_id = (hicn_face_id_t) dpo->dpoi_index; - face = hicn_dpoi_get_from_idx (*face_id); - } - else - { - *face_id = hicn_dpoi_get_index (face); - dpo_set (dpo, hicn_face_ip_type, DPO_PROTO_IP6, *face_id); - dpo->dpoi_next_node = node_index; - } - - hicn_face_ip_key_t key; - hicn_face_ip6_get_key (local_addr, sw_if, &key); - - mhash_set_mem (&hicn_face_ip_local_hashtb, &key, (uword *) face_id, 0); - - hicn_face_ip_t *ip_face = (hicn_face_ip_t *) face->data; - clib_memcpy (&ip_face->local_addr, local_addr, sizeof (ip6_address_t)); - clib_memcpy (&ip_face->remote_addr, remote_addr, sizeof (ip6_address_t)); - face->shared.sw_if = sw_if; - face->shared.flags = flags; - face->shared.adj = adj; - - - return HICN_ERROR_NONE; -} - void hicn_dpo_ip_create_from_face (hicn_face_t * face, dpo_id_t * dpo, u16 dpoi_next_node) diff --git a/hicn-plugin/src/faces/ip/dpo_ip.h b/hicn-plugin/src/faces/ip/dpo_ip.h index 164931a06..d6b4f5f7e 100644 --- a/hicn-plugin/src/faces/ip/dpo_ip.h +++ b/hicn-plugin/src/faces/ip/dpo_ip.h @@ -29,10 +29,9 @@ void hicn_dpo_ip_module_init (void); /** - * @brief Retrieve a face from the ip4 local address and returns its dpo. This - * method adds a lock on the face state. + * @brief Retrieve a vector of faces from the ip4 local address and returns its index. * - * @param dpo: Result of the lookup. If the face doesn't exist dpo = NULL + * @param vec: Result of the lookup. If no face exists for the local address vec = NULL * @param hicnb_flags: Flags that indicate whether the face is an application * face or not * @param local_addr: Ip v4 local address of the face @@ -42,22 +41,25 @@ void hicn_dpo_ip_module_init (void); */ always_inline int hicn_dpo_ip4_lock_from_local (dpo_id_t * dpo, + u32 * in_faces_vec_id, u8 * hicnb_flags, const ip4_address_t * local_addr, u32 sw_if) { - hicn_face_t *face = - hicn_face_ip4_get (local_addr, sw_if, &hicn_face_ip_local_hashtb); + hicn_face_ip_input_faces_t * in_faces_vec = + hicn_face_ip4_get_vec (local_addr, sw_if, &hicn_face_ip_local_hashtb); - if (PREDICT_FALSE (face == NULL)) + if (PREDICT_FALSE (in_faces_vec == NULL)) return HICN_ERROR_FACE_NOT_FOUND; + *in_faces_vec_id = in_faces_vec->vec_id; + hicn_face_t *face = hicn_dpoi_get_from_idx (in_faces_vec->face_id); + *hicnb_flags = HICN_BUFFER_FLAGS_DEFAULT; *hicnb_flags |= (face->shared.flags & HICN_FACE_FLAGS_APPFACE_PROD) >> HICN_FACE_FLAGS_APPFACE_PROD_BIT; - hicn_face_id_t dpoi_index = hicn_dpoi_get_index (face); - dpo_set (dpo, hicn_face_ip_type, DPO_PROTO_IP4, dpoi_index); + dpo_set (dpo, hicn_face_ip_type, DPO_PROTO_IP4, in_faces_vec->face_id); dpo->dpoi_next_node = ~0; dpo_lock (dpo); @@ -78,22 +80,25 @@ hicn_dpo_ip4_lock_from_local (dpo_id_t * dpo, */ always_inline int hicn_dpo_ip6_lock_from_local (dpo_id_t * dpo, + u32 * in_faces_vec_id, u8 * hicnb_flags, const ip6_address_t * local_addr, u32 sw_if) { - hicn_face_t *face = - hicn_face_ip6_get (local_addr, sw_if, &hicn_face_ip_local_hashtb); + hicn_face_ip_input_faces_t * in_faces_vec = + hicn_face_ip6_get_vec (local_addr, sw_if, &hicn_face_ip_local_hashtb); - if (PREDICT_FALSE (face == NULL)) + if (PREDICT_FALSE (in_faces_vec == NULL)) return HICN_ERROR_FACE_NOT_FOUND; + *in_faces_vec_id = in_faces_vec->vec_id; + hicn_face_t *face = hicn_dpoi_get_from_idx (in_faces_vec->face_id); + *hicnb_flags = HICN_BUFFER_FLAGS_DEFAULT; *hicnb_flags |= (face->shared.flags & HICN_FACE_FLAGS_APPFACE_PROD) >> HICN_FACE_FLAGS_APPFACE_PROD_BIT; - hicn_face_id_t dpoi_index = hicn_dpoi_get_index (face); - dpo_set (dpo, hicn_face_ip_type, DPO_PROTO_IP6, dpoi_index); + dpo_set (dpo, hicn_face_ip_type, DPO_PROTO_IP6, in_faces_vec->face_id); dpo->dpoi_next_node = ~0; dpo_lock (dpo); @@ -210,49 +215,49 @@ hicn_dpo_ip6_add_and_lock_from_remote (dpo_id_t * dpo, } -/** - * @brief Create an ip face and its corresponding dpo. Meant to be used for the - * control plane. - * - * @param dpo: Data plane object that point to the face created. - * @param local_addr: Ip v4 local address of the face - * @param remote_addr: Ip v4 remote address of the face - * @param sw_if: software interface id of the face - * @param adj: Ip adjacency corresponding to the remote address in the face - * @param node_index: vlib edge index to use in the packet processing - * @param flags: Flags of the face - * @param face_id: Identifier for the face (dpoi_index) - * @return HICN_ERROR_FACE_ALREADY_CREATED if the face exists, otherwise HICN_ERROR_NONE - */ -int hicn_dpo_ip4_create (dpo_id_t * dpo, - const ip4_address_t * local_addr, - const ip4_address_t * remote_addr, - u32 sw_if, - adj_index_t adj, - u32 node_index, - hicn_face_flags_t flags, hicn_face_id_t * face_id); - -/** - * @brief Create an ip face and its corresponding dpo. Meant to be used for the - * control plane. - * - * @param dpo: Data plane object that point to the face created. - * @param local_addr: Ip v6 local address of the face - * @param remote_addr: Ip v6 remote address of the face - * @param sw_if: software interface id of the face - * @param adj: Ip adjacency corresponding to the remote address in the face - * @param node_index: vlib edge index to use in the packet processing - * @param flags: Flags of the face - * @param face_id: Identifier for the face (dpoi_index) - * @return HICN_ERROR_FACE_ALREADY_CREATED if the face exists, otherwise HICN_ERROR_NONE - */ -int hicn_dpo_ip6_create (dpo_id_t * dpo, - const ip6_address_t * local_addr, - const ip6_address_t * remote_addr, - u32 sw_if, - adj_index_t adj, - u32 node_index, - hicn_face_flags_t flags, hicn_face_id_t * face_id); +/* /\** */ +/* * @brief Create an ip face and its corresponding dpo. Meant to be used for the */ +/* * control plane. */ +/* * */ +/* * @param dpo: Data plane object that point to the face created. */ +/* * @param local_addr: Ip v4 local address of the face */ +/* * @param remote_addr: Ip v4 remote address of the face */ +/* * @param sw_if: software interface id of the face */ +/* * @param adj: Ip adjacency corresponding to the remote address in the face */ +/* * @param node_index: vlib edge index to use in the packet processing */ +/* * @param flags: Flags of the face */ +/* * @param face_id: Identifier for the face (dpoi_index) */ +/* * @return HICN_ERROR_FACE_ALREADY_CREATED if the face exists, otherwise HICN_ERROR_NONE */ +/* *\/ */ +/* int hicn_dpo_ip4_create (dpo_id_t * dpo, */ +/* const ip4_address_t * local_addr, */ +/* const ip4_address_t * remote_addr, */ +/* u32 sw_if, */ +/* adj_index_t adj, */ +/* u32 node_index, */ +/* hicn_face_flags_t flags, hicn_face_id_t * face_id); */ + +/* /\** */ +/* * @brief Create an ip face and its corresponding dpo. Meant to be used for the */ +/* * control plane. */ +/* * */ +/* * @param dpo: Data plane object that point to the face created. */ +/* * @param local_addr: Ip v6 local address of the face */ +/* * @param remote_addr: Ip v6 remote address of the face */ +/* * @param sw_if: software interface id of the face */ +/* * @param adj: Ip adjacency corresponding to the remote address in the face */ +/* * @param node_index: vlib edge index to use in the packet processing */ +/* * @param flags: Flags of the face */ +/* * @param face_id: Identifier for the face (dpoi_index) */ +/* * @return HICN_ERROR_FACE_ALREADY_CREATED if the face exists, otherwise HICN_ERROR_NONE */ +/* *\/ */ +/* int hicn_dpo_ip6_create (dpo_id_t * dpo, */ +/* const ip6_address_t * local_addr, */ +/* const ip6_address_t * remote_addr, */ +/* u32 sw_if, */ +/* adj_index_t adj, */ +/* u32 node_index, */ +/* hicn_face_flags_t flags, hicn_face_id_t * face_id); */ /** * @brief Create a dpo from an ip face diff --git a/hicn-plugin/src/faces/ip/face_ip.c b/hicn-plugin/src/faces/ip/face_ip.c index 6e279583c..23d3900ec 100644 --- a/hicn-plugin/src/faces/ip/face_ip.c +++ b/hicn-plugin/src/faces/ip/face_ip.c @@ -12,6 +12,8 @@ * License for the specific language governing permissions and limitations * under the License. */ +#include <vnet/adj/adj_midchain.h> +#include <vnet/adj/adj.h> #include "face_ip.h" #include "face_ip_node.h" @@ -96,62 +98,165 @@ hicn_face_ip_del (hicn_face_id_t face_id) hicn_face_ip_t *face_ip = (hicn_face_ip_t *) face->data; hicn_face_ip_key_t key; hicn_face_ip_key_t old_key; + hicn_face_ip_key_t old_key2; if (ip46_address_is_ip4 (&face_ip->local_addr)) { hicn_face_ip4_get_key (&(face_ip->local_addr.ip4), face->shared.sw_if, &key); - mhash_unset (&hicn_face_ip_local_hashtb, &key, (uword *) & old_key); - hicn_face_ip4_get_key (&(face_ip->remote_addr.ip4), face->shared.sw_if, - &key); - mhash_unset (&hicn_face_ip_remote_hashtb, &key, (uword *) & old_key); + hicn_face_ip_input_faces_t * in_faces_vec = hicn_face_ip4_get_vec(&(face_ip->local_addr.ip4), face->shared.sw_if, + &hicn_face_ip_local_hashtb); + if (in_faces_vec != NULL) + { + hicn_face_ip_vec_t * vec = pool_elt_at_index (hicn_vec_pool, in_faces_vec->vec_id); + u32 index_face = vec_search(*vec, face_id); + vec_del1(*vec, index_face); + + if (vec_len(*vec) == 0) + { + pool_put_index(hicn_vec_pool, in_faces_vec->vec_id); + mhash_unset (&hicn_face_ip_local_hashtb, &key, (uword *) & old_key); + vec_free(*vec); + } + else + { + /* Check if the face we are deleting is the preferred one. */ + /* If so, repleace with another. */ + if (in_faces_vec->face_id == face_id) + { + in_faces_vec->face_id = (*vec)[0]; + } + } + hicn_face_ip4_get_key (&(face_ip->remote_addr.ip4), face->shared.sw_if, + &key); + mhash_unset (&hicn_face_ip_remote_hashtb, &key, (uword *) & old_key2); + } } else { hicn_face_ip6_get_key (&(face_ip->local_addr.ip6), face->shared.sw_if, &key); - mhash_unset (&hicn_face_ip_local_hashtb, &key, (uword *) & old_key); - hicn_face_ip6_get_key (&(face_ip->remote_addr.ip6), face->shared.sw_if, - &key); - mhash_unset (&hicn_face_ip_remote_hashtb, &key, (uword *) & old_key); + + hicn_face_ip_input_faces_t * in_faces_vec = hicn_face_ip6_get_vec(&(face_ip->local_addr.ip6), face->shared.sw_if, + &hicn_face_ip_local_hashtb); + if (in_faces_vec != NULL) + { + hicn_face_ip_vec_t * vec = pool_elt_at_index (hicn_vec_pool, in_faces_vec->vec_id); + u32 index_face = vec_search(*vec, face_id); + vec_del1(*vec, index_face); + + if (vec_len(*vec) == 0) + { + pool_put(hicn_vec_pool, vec); + mhash_unset (&hicn_face_ip_local_hashtb, &key, (uword *) & old_key); + vec_free(*vec); + } + else + { + /* Check if the face we are deleting is the preferred one. */ + /* If so, repleace with another. */ + if (in_faces_vec->face_id == face_id) + { + in_faces_vec->face_id = (*vec)[0]; + } + } + hicn_face_ip6_get_key (&(face_ip->remote_addr.ip6), face->shared.sw_if, + &key); + mhash_unset (&hicn_face_ip_remote_hashtb, &key, (uword *) & old_key); + } } return hicn_face_del (face_id); } +/** + * @brief Helper for handling midchain adjacencies + */ +void face_midchain_fixup_t (vlib_main_t * vm, + struct ip_adjacency_t_ * adj, + vlib_buffer_t * b0, + const void *data) { + vnet_buffer (b0)->sw_if_index[VLIB_TX] = 0; +}; -/* - * Utility that adds a new face cache entry. For the moment we assume that - * the ip_adjacency has already been set up. +/** + * @brief Build a rewrite string for the face. */ -int -hicn_face_ip_add (const ip46_address_t * local_addr, - const ip46_address_t * remote_addr, - int sw_if, hicn_face_id_t * pfaceid) +static u8* +face_build_rewrite_i (void) { - /* fib_protocol_t fib_type; */ - /* vnet_link_t link_type; */ - adj_index_t adj; - dpo_proto_t dpo_proto; + /* + * passing the adj code a NULL rewrite means 'i don't have one cos + * t'other end is unresolved'. That's not the case here. For the mpls + * tunnel there are just no bytes of encap to apply in the adj. We'll impose + * the label stack once we choose a path. So return a zero length rewrite. + */ + u8 *rewrite = NULL; - /* Check if we found at least one ip address */ - if (ip46_address_is_zero (local_addr) || ip46_address_is_zero (remote_addr)) - return HICN_ERROR_FACE_NO_GLOBAL_IP; + vec_validate(rewrite, 0); + vec_reset_length(rewrite); + return (rewrite); +} + +always_inline int +hicn_face_ip_find_adj (const ip46_address_t * remote_addr, + int sw_if, adj_index_t * adj) +{ fib_prefix_t fib_pfx; fib_node_index_t fib_entry_index; fib_prefix_from_ip46_addr (remote_addr, &fib_pfx); fib_pfx.fp_len = ip46_address_is_ip4(remote_addr)? 32 : 128; + vnet_link_t link_type = ip46_address_is_ip4(&fib_pfx.fp_addr)? VNET_LINK_IP4 : VNET_LINK_IP6; + *adj = adj_nbr_find(fib_pfx.fp_proto, link_type, &fib_pfx.fp_addr, sw_if); - u32 fib_index = fib_table_find_or_create_and_lock (fib_pfx.fp_proto, - HICN_FIB_TABLE, - FIB_SOURCE_PLUGIN_HI); + if (*adj == ADJ_INDEX_INVALID) + { + u32 fib_index = fib_table_find_or_create_and_lock (fib_pfx.fp_proto, + HICN_FIB_TABLE, + FIB_SOURCE_PLUGIN_HI); + + fib_entry_index = fib_table_lookup (fib_index, &fib_pfx); + + if (fib_entry_index == (FIB_NODE_INDEX_INVALID)) + return HICN_ERROR_FACE_IP_ADJ_NOT_FOUND; + + *adj = fib_entry_get_adj (fib_entry_index); + ip_adjacency_t * temp = NULL; + if (*adj != ~0) + temp = adj_get(*adj); + + if (temp == NULL || temp->lookup_next_index <= IP_LOOKUP_NEXT_REWRITE) + { + if(sw_if != ~0) + *adj = adj_nbr_add_or_lock(fib_pfx.fp_proto, link_type, remote_addr, sw_if); + else + return HICN_ERROR_FACE_IP_ADJ_NOT_FOUND; + } + else + { + adj_nbr_midchain_update_rewrite(*adj, &face_midchain_fixup_t, NULL, ADJ_FLAG_NONE, face_build_rewrite_i()); + adj_midchain_delegate_stack(*adj, fib_index, &fib_pfx); + } + } - fib_entry_index = fib_table_lookup (fib_index, &fib_pfx); + return HICN_ERROR_NONE; +} - adj = fib_entry_get_adj (fib_entry_index); +/* + * Utility that adds a new face cache entry. For the moment we assume that + * the ip_adjacency has already been set up. + */ +int +hicn_face_ip_add (const ip46_address_t * local_addr, + const ip46_address_t * remote_addr, + int sw_if, hicn_face_id_t * pfaceid, + u8 is_app_prod) +{ + dpo_proto_t dpo_proto; - if (adj == ~0) - return HICN_ERROR_FACE_IP_ADJ_NOT_FOUND; + /* Check if we found at least one ip address */ + if (ip46_address_is_zero (remote_addr)) + return HICN_ERROR_FACE_NO_GLOBAL_IP; hicn_face_flags_t flags = (hicn_face_flags_t) 0; flags |= HICN_FACE_FLAGS_FACE; @@ -160,17 +265,10 @@ hicn_face_ip_add (const ip46_address_t * local_addr, if (ip46_address_is_ip4 (local_addr)) { face = - hicn_face_ip4_get (&(local_addr->ip4), sw_if, - &hicn_face_ip_local_hashtb); - - if (face != NULL) - return HICN_ERROR_FACE_ALREADY_CREATED; - - face = hicn_face_ip4_get (&(remote_addr->ip4), sw_if, &hicn_face_ip_remote_hashtb); - /* If remote matches the face is a iface */ + /* If remote matches the face we need to check if it is an incomplete face */ if (face == NULL) { hicn_iface_ip_add (local_addr, remote_addr, sw_if, pfaceid); @@ -181,31 +279,83 @@ hicn_face_ip_add (const ip46_address_t * local_addr, *pfaceid = hicn_dpoi_get_index (face); } + if (!(face->shared.flags & HICN_FACE_FLAGS_IFACE)) + return HICN_ERROR_FACE_ALREADY_CREATED; + hicn_face_ip_key_t key; hicn_face_ip4_get_key (&(local_addr->ip4), sw_if, &key); - mhash_set_mem (&hicn_face_ip_local_hashtb, &key, (uword *) pfaceid, 0); - - hicn_face_ip_t *ip_face = (hicn_face_ip_t *) face->data; - clib_memcpy (&ip_face->local_addr, local_addr, sizeof (ip4_address_t)); - clib_memcpy (&ip_face->remote_addr, remote_addr, - sizeof (ip4_address_t)); - face->shared.sw_if = sw_if; - face->shared.flags = flags; - face->shared.adj = adj; - - dpo_proto = DPO_PROTO_IP4; + hicn_face_ip_input_faces_t * in_faces = + hicn_face_ip4_get_vec (&(local_addr->ip4), sw_if, + &hicn_face_ip_local_hashtb); + + if (in_faces == NULL) + { + adj_index_t adj; + int ret = hicn_face_ip_find_adj(remote_addr, sw_if, &adj); + if (ret != HICN_ERROR_NONE) + return ret; + + hicn_face_ip_input_faces_t in_faces_temp; + hicn_face_ip_vec_t *vec; + pool_get(hicn_vec_pool, vec); + *vec = vec_new(hicn_face_ip_vec_t, 0); + u32 index = vec - hicn_vec_pool; + in_faces_temp.vec_id = index; + vec_add1(*vec, *pfaceid); + + hicn_face_ip_t *ip_face = (hicn_face_ip_t *) face->data; + clib_memcpy (&ip_face->local_addr, local_addr, sizeof (ip4_address_t)); + clib_memcpy (&ip_face->remote_addr, remote_addr, + sizeof (ip4_address_t)); + face->shared.sw_if = sw_if; + face->shared.flags = flags; + face->shared.adj = adj; + + dpo_proto = DPO_PROTO_IP4; + + in_faces_temp.face_id = *pfaceid; + + mhash_set_mem (&hicn_face_ip_local_hashtb, &key, (uword *) &in_faces_temp, 0); + } + else + { + hicn_face_ip_vec_t * vec = pool_elt_at_index(hicn_vec_pool, in_faces->vec_id); + + /* */ + if (vec_search(*vec, *pfaceid) != ~0) + return HICN_ERROR_FACE_ALREADY_CREATED; + + adj_index_t adj; + int ret = hicn_face_ip_find_adj(remote_addr, sw_if, &adj); + if (ret != HICN_ERROR_NONE) + return ret; + + vec_add1(*vec, *pfaceid); + + hicn_face_ip_t *ip_face = (hicn_face_ip_t *) face->data; + clib_memcpy (&ip_face->local_addr, local_addr, sizeof (ip4_address_t)); + clib_memcpy (&ip_face->remote_addr, remote_addr, + sizeof (ip4_address_t)); + face->shared.sw_if = sw_if; + face->shared.flags = flags; + face->shared.adj = adj; + + dpo_proto = DPO_PROTO_IP4; + + mhash_set_mem (&hicn_face_ip_local_hashtb, &key, (uword *) in_faces, 0); + + /* If the face is an application producer face, we set it as the preferred incoming face. */ + /* This is required to handle the CS separation, and the push api in a lightway*/ + if (is_app_prod) + { + in_faces->face_id = *pfaceid; + } + } } else { face = - hicn_face_ip6_get (&(local_addr->ip6), sw_if, - &hicn_face_ip_local_hashtb); - - if (face != NULL) - return HICN_ERROR_FACE_ALREADY_CREATED; - - face = hicn_face_ip6_get (&(remote_addr->ip6), sw_if, &hicn_face_ip_remote_hashtb); @@ -220,20 +370,79 @@ hicn_face_ip_add (const ip46_address_t * local_addr, *pfaceid = hicn_dpoi_get_index (face); } + if (!(face->shared.flags & HICN_FACE_FLAGS_IFACE)) + return HICN_ERROR_FACE_ALREADY_CREATED; + hicn_face_ip_key_t key; hicn_face_ip6_get_key (&(local_addr->ip6), sw_if, &key); - mhash_set_mem (&hicn_face_ip_local_hashtb, &key, (uword *) pfaceid, 0); - - hicn_face_ip_t *ip_face = (hicn_face_ip_t *) face->data; - clib_memcpy (&ip_face->local_addr, local_addr, sizeof (ip6_address_t)); - clib_memcpy (&ip_face->remote_addr, remote_addr, - sizeof (ip6_address_t)); - face->shared.sw_if = sw_if; - face->shared.flags = flags; - face->shared.adj = adj; - - dpo_proto = DPO_PROTO_IP6; + hicn_face_ip_input_faces_t * in_faces = + hicn_face_ip6_get_vec (&(local_addr->ip6), sw_if, + &hicn_face_ip_local_hashtb); + + if (in_faces == NULL) + { + adj_index_t adj; + int ret = hicn_face_ip_find_adj(remote_addr, sw_if, &adj); + if (ret != HICN_ERROR_NONE) + return ret; + + hicn_face_ip_input_faces_t in_faces_temp; + hicn_face_ip_vec_t *vec; + pool_get(hicn_vec_pool, vec); + vec_alloc(*vec, 1); + u32 index = vec - hicn_vec_pool; + in_faces_temp.vec_id = index; + vec_add1(*vec, *pfaceid); + + hicn_face_ip_t *ip_face = (hicn_face_ip_t *) face->data; + clib_memcpy (&ip_face->local_addr, local_addr, sizeof (ip6_address_t)); + clib_memcpy (&ip_face->remote_addr, remote_addr, + sizeof (ip6_address_t)); + face->shared.sw_if = sw_if; + face->shared.flags = flags; + face->shared.adj = adj; + + dpo_proto = DPO_PROTO_IP6; + + in_faces_temp.face_id = *pfaceid; + + mhash_set_mem (&hicn_face_ip_local_hashtb, &key, (uword *) &in_faces_temp, 0); + } + else + { + hicn_face_ip_vec_t *vec = pool_elt_at_index(hicn_vec_pool, in_faces->vec_id); + + /* */ + if (vec_search(*vec, *pfaceid) != ~0) + return HICN_ERROR_FACE_ALREADY_CREATED; + + adj_index_t adj; + int ret = hicn_face_ip_find_adj(remote_addr, sw_if, &adj); + if (ret != HICN_ERROR_NONE) + return ret; + + vec_add1(*vec, *pfaceid); + + hicn_face_ip_t *ip_face = (hicn_face_ip_t *) face->data; + clib_memcpy (&ip_face->local_addr, local_addr, sizeof (ip6_address_t)); + clib_memcpy (&ip_face->remote_addr, remote_addr, + sizeof (ip6_address_t)); + face->shared.sw_if = sw_if; + face->shared.flags = flags; + face->shared.adj = adj; + + dpo_proto = DPO_PROTO_IP6; + + mhash_set_mem (&hicn_face_ip_local_hashtb, &key, (uword *) in_faces, 0); + + /* If the face is an application producer face, we set it as the preferred incoming face. */ + /* This is required to handle the CS separation, and the push api in a lightway*/ + if (is_app_prod) + { + in_faces->face_id = *pfaceid; + } + } } retx_t *retx = vlib_process_signal_event_data (vlib_get_main (), diff --git a/hicn-plugin/src/faces/ip/face_ip.h b/hicn-plugin/src/faces/ip/face_ip.h index 852106b70..0491af506 100644 --- a/hicn-plugin/src/faces/ip/face_ip.h +++ b/hicn-plugin/src/faces/ip/face_ip.h @@ -43,6 +43,24 @@ typedef struct hicn_ip_face_t_ } hicn_face_ip_t; +/** + * @bried vector of faces used to collect faces having the same local address + * + */ +typedef hicn_face_id_t * hicn_face_ip_vec_t; + +typedef struct hicn_ip_input_faces_s_ +{ + /* Vector of all possible input faces */ + u32 vec_id; + + /* Preferred face. If an prod_app face is in the vector it will be the preferred one. */ + /* It's not possible to have multiple prod_app face in the same vector, they would have */ + /* the same local address. Every prod_app face is a point-to-point face between the forwarder */ + /* and the application. */ + hicn_face_id_t face_id; + +} hicn_face_ip_input_faces_t; /** * Hash tables that indexes a face by local address. For fast lookup when an @@ -57,6 +75,11 @@ extern mhash_t hicn_face_ip_local_hashtb; extern mhash_t hicn_face_ip_remote_hashtb; /** + * Pool containing the vector of possible incoming faces. + */ +extern hicn_face_ip_vec_t * hicn_vec_pool; + +/** * Key definition for the mhash table. An ip face is uniquely identified by ip * address and the interface id. The ip address can correspond to the remote ip * address of the next hicn hop, or to the local address of the receiving @@ -129,6 +152,42 @@ hicn_face_ip4_get (const ip4_address_t * addr, u32 sw_if, mhash_t * hashtb) } /** + * @brief Get the vector of faces from the ip v4 address. Does not add any lock. + * + * @param addr Ip v4 address used to create the key for the hash table. + * @param sw_if Software interface id used to create the key for the hash table. + * @param hashtb Hash table (remote or local) where to perform the lookup. + * + * @result Pointer to the face. + */ +always_inline hicn_face_ip_input_faces_t * +hicn_face_ip4_get_vec (const ip4_address_t * addr, u32 sw_if, mhash_t * hashtb) +{ + hicn_face_ip_key_t key; + + hicn_face_ip4_get_key (addr, sw_if, &key); + return (hicn_face_ip_input_faces_t *) mhash_get (hashtb,&key); +} + +/** + * @brief Get the vector of faces from the ip v6 address. Does not add any lock. + * + * @param addr Ip v6 address used to create the key for the hash table. + * @param sw_if Software interface id used to create the key for the hash table. + * @param hashtb Hash table (remote or local) where to perform the lookup. + * + * @result Pointer to the face. + */ +always_inline hicn_face_ip_input_faces_t * +hicn_face_ip6_get_vec (const ip6_address_t * addr, u32 sw_if, mhash_t * hashtb) +{ + hicn_face_ip_key_t key; + + hicn_face_ip6_get_key (addr, sw_if, &key); + return (hicn_face_ip_input_faces_t *) mhash_get (hashtb,&key); +} + +/** * @brief Get the dpoi from the ip v6 address. Does not add any lock. * * @param addr Ip v6 address used to create the key for the hash table. @@ -158,12 +217,13 @@ hicn_face_ip6_get (const ip6_address_t * addr, u32 sw_if, mhash_t * hashtb) * @param sw_if interface associated to the face * @param is_app_face Boolean to set the face as an application face * @param pfaceid Pointer to return the face id + * @param is_app_prod if HICN_FACE_FLAGS_APPFACE_PROD the face is a local application face, all other values are ignored * @return HICN_ERROR_FACE_NO_GLOBAL_IP if the face does not have a globally * reachable ip address, otherwise HICN_ERROR_NONE */ int hicn_face_ip_add (const ip46_address_t * local_addr, const ip46_address_t * remote_addr, - int swif, hicn_face_id_t * pfaceid); + int swif, hicn_face_id_t * pfaceid, u8 is_app_prod); /** * @brief Create a new incomplete face ip. (Meant to be used by the data plane) diff --git a/hicn-plugin/src/faces/ip/face_ip_cli.c b/hicn-plugin/src/faces/ip/face_ip_cli.c index 760768be1..4c4986f97 100644 --- a/hicn-plugin/src/faces/ip/face_ip_cli.c +++ b/hicn-plugin/src/faces/ip/face_ip_cli.c @@ -158,7 +158,7 @@ hicn_face_ip_cli_set_command_fn (vlib_main_t * vm, } } - rv = hicn_face_ip_add (&local_addr, &remote_addr, sw_if, &face_id); + rv = hicn_face_ip_add (&local_addr, &remote_addr, sw_if, &face_id, 0); if (rv == HICN_ERROR_NONE) { @@ -194,7 +194,7 @@ hicn_face_ip_cli_set_command_fn (vlib_main_t * vm, VLIB_CLI_COMMAND (hicn_face_ip_cli_set_command, static) = { .path = "hicn face ip", - .short_help = "hicn face ip {add local <src_address> remote <dst_address> intfc <sw_if>} | {del id <face_id>}", + .short_help = "hicn face ip {add [local <src_address>] remote <dst_address> intfc <sw_if>} | {del id <face_id>}", .function = hicn_face_ip_cli_set_command_fn, }; /* *INDENT-ON* */ diff --git a/hicn-plugin/src/faces/ip/face_ip_node.c b/hicn-plugin/src/faces/ip/face_ip_node.c index 6592dc065..3f1f6a0d0 100644 --- a/hicn-plugin/src/faces/ip/face_ip_node.c +++ b/hicn-plugin/src/faces/ip/face_ip_node.c @@ -144,6 +144,7 @@ typedef enum \ ret = LOCK_FROM_LOCAL_IP##ipv \ (&(hicnb0->face_dpo_id), \ + &(hicnb0->in_faces_vec_id), \ &hicnb0->flags, \ &(ip_hdr->dst_address), \ vnet_buffer (b0)->sw_if_index[VLIB_RX]); \ @@ -232,12 +233,14 @@ typedef enum \ ret0 = LOCK_FROM_LOCAL_IP##ipv \ (&(hicnb0->face_dpo_id), \ + &(hicnb0->in_faces_vec_id), \ &hicnb0->flags, \ &(ip_hdr0->dst_address), \ vnet_buffer (b0)->sw_if_index[VLIB_RX]); \ \ ret1 = LOCK_FROM_LOCAL_IP##ipv \ (&(hicnb1->face_dpo_id), \ + &(hicnb1->in_faces_vec_id), \ &hicnb1->flags, \ &(ip_hdr1->dst_address), \ vnet_buffer (b1)->sw_if_index[VLIB_RX]); \ diff --git a/hicn-plugin/src/hicn.h b/hicn-plugin/src/hicn.h index 87628ba53..1b57ce9e2 100644 --- a/hicn-plugin/src/hicn.h +++ b/hicn-plugin/src/hicn.h @@ -64,8 +64,9 @@ typedef struct u8 dpo_ctx_id; /* used for data path */ u8 vft_id; /* " */ - dpo_id_t face_dpo_id; /* ingress face ,sizeof(iface_dpo_id) - * <= sizeof(u64) */ + dpo_id_t face_dpo_id; /* ingress iface, sizeof(dpo_id_t) + * <= sizeof(u64) */ + u32 in_faces_vec_id; /* vector of possible input face for a data packet */ hicn_type_t type; } hicn_buffer_t; diff --git a/hicn-plugin/src/hicn_api.c b/hicn-plugin/src/hicn_api.c index 9bca748e6..f8933206d 100644 --- a/hicn-plugin/src/hicn_api.c +++ b/hicn-plugin/src/hicn_api.c @@ -249,7 +249,7 @@ vl_api_hicn_api_face_ip_add_t_handler (vl_api_hicn_api_face_ip_add_t * mp) } if (rv == HICN_ERROR_NONE) - rv = hicn_face_ip_add (&local_addr, &remote_addr, sw_if, &faceid); + rv = hicn_face_ip_add (&local_addr, &remote_addr, sw_if, &faceid, 0); else faceid = HICN_FACE_NULL; |