vpp - Vector Packet Processing

Age	Commit message (Expand)	Author	Files	Lines
2017-04-24	Move emacs stuff to extras/	Damjan Marion	1	-0/+245

/* *------------------------------------------------------------------ * gtpu_api.c - gtpu api * * Copyright (c) 2017 Intel and/or its affiliates. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. *------------------------------------------------------------------ */ #include <vnet/interface.h> #include <vnet/api_errno.h> #include <vnet/feature/feature.h> #include <vnet/fib/fib_table.h> #include <vppinfra/byte_order.h> #include <vlibmemory/api.h> #include <vlibsocket/api.h> #include <gtpu/gtpu.h> #define vl_msg_id(n,h) n, typedef enum { #include <gtpu/gtpu.api.h> /* We'll want to know how many messages IDs we need... */ VL_MSG_FIRST_AVAILABLE, } vl_msg_id_t; #undef vl_msg_id /* define message structures */ #define vl_typedefs #include <gtpu/gtpu.api.h> #undef vl_typedefs /* define generated endian-swappers */ #define vl_endianfun #include <gtpu/gtpu.api.h> #undef vl_endianfun /* instantiate all the print functions we know about */ #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__) #define vl_printfun #include <gtpu/gtpu.api.h> #undef vl_printfun /* Get the API version number */ #define vl_api_version(n,v) static u32 api_version=(v); #include <gtpu/gtpu.api.h> #undef vl_api_version #define vl_msg_name_crc_list #include <gtpu/gtpu.api.h> #undef vl_msg_name_crc_list #define REPLY_MSG_ID_BASE gtm->msg_id_base #include <vlibapi/api_helper_macros.h> static void setup_message_id_table (gtpu_main_t * gtm, api_main_t * am) { #define _(id,n,crc) \ vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id + gtm->msg_id_base); foreach_vl_msg_name_crc_gtpu; #undef _ } #define foreach_gtpu_plugin_api_msg \ _(SW_INTERFACE_SET_GTPU_BYPASS, sw_interface_set_gtpu_bypass) \ _(GTPU_ADD_DEL_TUNNEL, gtpu_add_del_tunnel) \ _(GTPU_TUNNEL_DUMP, gtpu_tunnel_dump) static void vl_api_sw_interface_set_gtpu_bypass_t_handler (vl_api_sw_interface_set_gtpu_bypass_t * mp) { vl_api_sw_interface_set_gtpu_bypass_reply_t *rmp; int rv = 0; u32 sw_if_index = ntohl (mp->sw_if_index); gtpu_main_t *gtm = &gtpu_main; VALIDATE_SW_IF_INDEX (mp); vnet_int_gtpu_bypass_mode (sw_if_index, mp->is_ipv6, mp->enable); BAD_SW_IF_INDEX_LABEL; REPLY_MACRO (VL_API_SW_INTERFACE_SET_GTPU_BYPASS_REPLY); } static void vl_api_gtpu_add_del_tunnel_t_handler (vl_api_gtpu_add_del_tunnel_t * mp) { vl_api_gtpu_add_del_tunnel_reply_t *rmp; int rv = 0; ip4_main_t *im = &ip4_main; gtpu_main_t *gtm = &gtpu_main; uword *p = hash_get (im->fib_index_by_table_id, ntohl (mp->encap_vrf_id)); if (!p) { rv = VNET_API_ERROR_NO_SUCH_FIB; goto out; } vnet_gtpu_add_del_tunnel_args_t a = { .is_add = mp->is_add, .is_ip6 = mp->is_ipv6, .mcast_sw_if_index = ntohl (mp->mcast_sw_if_index), .encap_fib_index = p[0], .decap_next_index = ntohl (mp->decap_next_index), .teid = ntohl (mp->teid), .dst = to_ip46 (mp->is_ipv6, mp->dst_address), .src = to_ip46 (mp->is_ipv6, mp->src_address), }; /* Check src & dst are different */ if (ip46_address_cmp (&a.dst, &a.src) == 0) { rv = VNET_API_ERROR_SAME_SRC_DST; goto out; } if (ip46_address_is_multicast (&a.dst) && !vnet_sw_if_index_is_api_valid (a.mcast_sw_if_index)) { rv = VNET_API_ERROR_INVALID_SW_IF_INDEX; goto out; } u32 sw_if_index = ~0; rv = vnet_gtpu_add_del_tunnel (&a, &sw_if_index); out: /* *INDENT-OFF* */ REPLY_MACRO2(VL_API_GTPU_ADD_DEL_TUNNEL_REPLY, ({ rmp->sw_if_index = ntohl (sw_if_index); })); /* *INDENT-ON* */ } static void send_gtpu_tunnel_details (gtpu_tunnel_t * t, unix_shared_memory_queue_t * q, u32 context) { vl_api_gtpu_tunnel_details_t *rmp; ip4_main_t *im4 = &ip4_main; ip6_main_t *im6 = &ip6_main; u8 is_ipv6 = !ip46_address_is_ip4 (&t->dst); rmp = vl_msg_api_alloc (sizeof (*rmp)); memset (rmp, 0, sizeof (*rmp)); rmp->_vl_msg_id = ntohs (VL_API_GTPU_TUNNEL_DETAILS); if (is_ipv6) { memcpy (rmp->src_address, t->src.ip6.as_u8, 16); memcpy (rmp->dst_address, t->dst.ip6.as_u8, 16); rmp->encap_vrf_id = htonl (im6->fibs[t->encap_fib_index].ft_table_id); } else { memcpy (rmp->src_address, t->src.ip4.as_u8, 4); memcpy (rmp->dst_address, t->dst.ip4.as_u8, 4); rmp->encap_vrf_id = htonl (im4->fibs[t->encap_fib_index].ft_table_id); } rmp->mcast_sw_if_index = htonl (t->mcast_sw_if_index); rmp->teid = htonl (t->teid); rmp->decap_next_index = htonl (t->decap_next_index); rmp->sw_if_index = htonl (t->sw_if_index); rmp->is_ipv6 = is_ipv6; rmp->context = context; vl_msg_api_send_shmem (q, (u8 *) & rmp); } static void vl_api_gtpu_tunnel_dump_t_handler (vl_api_gtpu_tunnel_dump_t * mp) { unix_shared_memory_queue_t *q; gtpu_main_t *gtm = &gtpu_main; gtpu_tunnel_t *t; u32 sw_if_index; q = vl_api_client_index_to_input_queue (mp->client_index); if (q == 0) { return; } sw_if_index = ntohl (mp->sw_if_index); if (~0 == sw_if_index) { /* *INDENT-OFF* */ pool_foreach (t, gtm->tunnels, ({ send_gtpu_tunnel_details(t, q, mp->context); })); /* *INDENT-ON* */ } else { if ((sw_if_index >= vec_len (gtm->tunnel_index_by_sw_if_index)) || (~0 == gtm->tunnel_index_by_sw_if_index[sw_if_index])) { return; } t = &gtm->tunnels[gtm->tunnel_index_by_sw_if_index[sw_if_index]]; send_gtpu_tunnel_details (t, q, mp->context); } } static clib_error_t * gtpu_api_hookup (vlib_main_t * vm) { gtpu_main_t *gtm = &gtpu_main; u8 *name = format (0, "gtpu_%08x%c", api_version, 0); gtm->msg_id_base = vl_msg_api_get_msg_ids ((char *) name, VL_MSG_FIRST_AVAILABLE); #define _(N,n) \ vl_msg_api_set_handlers((VL_API_##N + gtm->msg_id_base), \ #n, \ vl_api_##n##_t_handler, \ vl_noop_handler, \ vl_api_##n##_t_endian, \ vl_api_##n##_t_print, \ sizeof(vl_api_##n##_t), 1); foreach_gtpu_plugin_api_msg; #undef _ /* Add our API messages to the global name_crc hash table */ setup_message_id_table (gtm, &api_main); return 0; } VLIB_API_INIT_FUNCTION (gtpu_api_hookup); /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */