+++ /dev/null
-/*
- *------------------------------------------------------------------
- * af_packet_api.c - af-packet api
- *
- * Copyright (c) 2016 Cisco 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/vnet.h>
-#include <vlibmemory/api.h>
-
-#include <vnet/interface.h>
-#include <vnet/api_errno.h>
-#include <vnet/devices/af_packet/af_packet.h>
-
-#include <vnet/format_fns.h>
-#include <vnet/devices/af_packet/af_packet.api_enum.h>
-#include <vnet/devices/af_packet/af_packet.api_types.h>
-
-#define REPLY_MSG_ID_BASE msg_id_base
-#include <vlibapi/api_helper_macros.h>
-
-static u16 msg_id_base;
-
-static void
-vl_api_af_packet_create_t_handler (vl_api_af_packet_create_t * mp)
-{
- af_packet_create_if_arg_t _arg, *arg = &_arg;
- vl_api_af_packet_create_reply_t *rmp;
- int rv = 0;
-
- clib_memset (arg, 0, sizeof (*arg));
-
- arg->host_if_name = format (0, "%s", mp->host_if_name);
- vec_add1 (arg->host_if_name, 0);
-
- arg->hw_addr = mp->use_random_hw_addr ? 0 : mp->hw_addr;
- arg->mode = AF_PACKET_IF_MODE_ETHERNET;
- // Default flags
- arg->flags = AF_PACKET_IF_FLAGS_QDISC_BYPASS | AF_PACKET_IF_FLAGS_CKSUM_GSO;
- rv = af_packet_create_if (arg);
-
- vec_free (arg->host_if_name);
-
- REPLY_MACRO2 (VL_API_AF_PACKET_CREATE_REPLY, ({
- rmp->sw_if_index = clib_host_to_net_u32 (arg->sw_if_index);
- }));
-}
-
-static void
-vl_api_af_packet_create_v2_t_handler (vl_api_af_packet_create_v2_t *mp)
-{
- af_packet_create_if_arg_t _arg, *arg = &_arg;
- vl_api_af_packet_create_v2_reply_t *rmp;
- int rv = 0;
-
- clib_memset (arg, 0, sizeof (*arg));
-
- arg->host_if_name = format (0, "%s", mp->host_if_name);
- vec_add1 (arg->host_if_name, 0);
-
- // Default number of rx/tx queue(s)
- arg->num_rxqs = 1;
- arg->num_txqs = 1;
- arg->rx_frame_size = clib_net_to_host_u32 (mp->rx_frame_size);
- arg->tx_frame_size = clib_net_to_host_u32 (mp->tx_frame_size);
- arg->rx_frames_per_block = clib_net_to_host_u32 (mp->rx_frames_per_block);
- arg->tx_frames_per_block = clib_net_to_host_u32 (mp->tx_frames_per_block);
- arg->hw_addr = mp->use_random_hw_addr ? 0 : mp->hw_addr;
- arg->mode = AF_PACKET_IF_MODE_ETHERNET;
- // Default flags
- arg->flags = AF_PACKET_IF_FLAGS_QDISC_BYPASS | AF_PACKET_IF_FLAGS_CKSUM_GSO;
-
- if (mp->num_rx_queues > 1)
- arg->num_rxqs = clib_net_to_host_u16 (mp->num_rx_queues);
-
- rv = af_packet_create_if (arg);
-
- vec_free (arg->host_if_name);
- REPLY_MACRO2 (VL_API_AF_PACKET_CREATE_V2_REPLY, ({
- rmp->sw_if_index = clib_host_to_net_u32 (arg->sw_if_index);
- }));
-}
-
-static void
-vl_api_af_packet_create_v3_t_handler (vl_api_af_packet_create_v3_t *mp)
-{
- af_packet_create_if_arg_t _arg, *arg = &_arg;
- vl_api_af_packet_create_v3_reply_t *rmp;
- int rv = 0;
-
- clib_memset (arg, 0, sizeof (*arg));
-
- arg->host_if_name = format (0, "%s", mp->host_if_name);
- vec_add1 (arg->host_if_name, 0);
-
- // Default number of rx/tx queue(s)
- arg->num_rxqs = 1;
- arg->num_txqs = 1;
- arg->rx_frame_size = clib_net_to_host_u32 (mp->rx_frame_size);
- arg->tx_frame_size = clib_net_to_host_u32 (mp->tx_frame_size);
- arg->rx_frames_per_block = clib_net_to_host_u32 (mp->rx_frames_per_block);
- arg->tx_frames_per_block = clib_net_to_host_u32 (mp->tx_frames_per_block);
- arg->hw_addr = mp->use_random_hw_addr ? 0 : mp->hw_addr;
-
- switch (clib_net_to_host_u32 (mp->mode))
- {
- case AF_PACKET_API_MODE_ETHERNET:
- arg->mode = AF_PACKET_IF_MODE_ETHERNET;
- break;
- case AF_PACKET_API_MODE_IP:
- arg->mode = AF_PACKET_IF_MODE_IP;
- break;
- default:
- arg->sw_if_index = ~0;
- rv = VNET_ERR_INVALID_VALUE;
- goto error;
- }
-
- STATIC_ASSERT (((int) AF_PACKET_API_FLAG_QDISC_BYPASS ==
- (int) AF_PACKET_IF_FLAGS_QDISC_BYPASS),
- "af-packet qdisc-bypass api flag mismatch");
- STATIC_ASSERT (
- ((int) AF_PACKET_API_FLAG_CKSUM_GSO == (int) AF_PACKET_IF_FLAGS_CKSUM_GSO),
- "af-packet checksum/gso offload api flag mismatch");
-
- STATIC_ASSERT (
- ((int) AF_PACKET_API_FLAG_VERSION_2 == (int) AF_PACKET_IF_FLAGS_VERSION_2),
- "af-packet version 2 api flag mismatch");
-
- // Default flags
- arg->flags = clib_net_to_host_u32 (mp->flags);
-
- if (clib_net_to_host_u16 (mp->num_rx_queues) > 1)
- arg->num_rxqs = clib_net_to_host_u16 (mp->num_rx_queues);
-
- if (clib_net_to_host_u16 (mp->num_tx_queues) > 1)
- arg->num_txqs = clib_net_to_host_u16 (mp->num_tx_queues);
-
- arg->is_v2 = (arg->flags & AF_PACKET_API_FLAG_VERSION_2) ? 1 : 0;
- rv = af_packet_create_if (arg);
-
-error:
- vec_free (arg->host_if_name);
- REPLY_MACRO2 (VL_API_AF_PACKET_CREATE_V3_REPLY, ({
- rmp->sw_if_index = clib_host_to_net_u32 (arg->sw_if_index);
- }));
-}
-
-static void
-vl_api_af_packet_delete_t_handler (vl_api_af_packet_delete_t * mp)
-{
- vl_api_af_packet_delete_reply_t *rmp;
- int rv = 0;
- u8 *host_if_name = NULL;
-
- host_if_name = format (0, "%s", mp->host_if_name);
- vec_add1 (host_if_name, 0);
-
- rv = af_packet_delete_if (host_if_name);
-
- vec_free (host_if_name);
-
- REPLY_MACRO (VL_API_AF_PACKET_DELETE_REPLY);
-}
-
-static void
- vl_api_af_packet_set_l4_cksum_offload_t_handler
- (vl_api_af_packet_set_l4_cksum_offload_t * mp)
-{
- vl_api_af_packet_delete_reply_t *rmp;
- int rv = 0;
-
- rv = af_packet_set_l4_cksum_offload (ntohl (mp->sw_if_index), mp->set);
- REPLY_MACRO (VL_API_AF_PACKET_SET_L4_CKSUM_OFFLOAD_REPLY);
-}
-
-static void
-af_packet_send_details (vpe_api_main_t * am,
- vl_api_registration_t * reg,
- af_packet_if_detail_t * af_packet_if, u32 context)
-{
- vl_api_af_packet_details_t *mp;
- mp = vl_msg_api_alloc (sizeof (*mp));
- clib_memset (mp, 0, sizeof (*mp));
- mp->_vl_msg_id = htons (REPLY_MSG_ID_BASE + VL_API_AF_PACKET_DETAILS);
- mp->sw_if_index = htonl (af_packet_if->sw_if_index);
- clib_memcpy (mp->host_if_name, af_packet_if->host_if_name,
- MIN (ARRAY_LEN (mp->host_if_name) - 1,
- strlen ((const char *) af_packet_if->host_if_name)));
-
- mp->context = context;
- vl_api_send_msg (reg, (u8 *) mp);
-}
-
-
-static void
-vl_api_af_packet_dump_t_handler (vl_api_af_packet_dump_t * mp)
-{
- int rv;
- vpe_api_main_t *am = &vpe_api_main;
- vl_api_registration_t *reg;
- af_packet_if_detail_t *out_af_packet_ifs = NULL;
- af_packet_if_detail_t *af_packet_if = NULL;
-
- reg = vl_api_client_index_to_registration (mp->client_index);
- if (!reg)
- return;
-
- rv = af_packet_dump_ifs (&out_af_packet_ifs);
- if (rv)
- return;
-
- vec_foreach (af_packet_if, out_af_packet_ifs)
- {
- af_packet_send_details (am, reg, af_packet_if, mp->context);
- }
-
- vec_free (out_af_packet_ifs);
-}
-
-#include <vnet/devices/af_packet/af_packet.api.c>
-static clib_error_t *
-af_packet_api_hookup (vlib_main_t * vm)
-{
- /*
- * Set up the (msg_name, crc, message-id) table
- */
- REPLY_MSG_ID_BASE = setup_message_id_table ();
-
- return 0;
-}
-
-VLIB_API_INIT_FUNCTION (af_packet_api_hookup);
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
Code Review / vpp.git / blobdiff