vppinfra: fix corner cases in tw_timer_expire - vpp

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author	Dave Barach <dave@barachs.net>	2020-03-08 08:27:19 -0400
committer	John Lo <loj@cisco.com>	2020-03-09 20:55:37 +0000
commit	3d9f134e77864024d67f27e85d85e2ad12a13dc6 (patch)
tree	384623f01c7afcc2183345b555cc691eef3708cf /src/svm/fifo_types.h
parent	8e7fdddd34ef3c5f93f4ccba9660fa3d63994522 (diff)

vppinfra: fix corner cases in tw_timer_expire

Type: fix Signed-off-by: Dave Barach <dave@barachs.net> Change-Id: I4b3ff6e9c8e1d76037b168aeab36dcb5b4482260

Diffstat (limited to 'src/svm/fifo_types.h')

0 files changed, 0 insertions, 0 deletions

/* *------------------------------------------------------------------ * vhost-user_api.c - vhost-user 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/virtio/vhost_user.h> #include <vnet/vnet_msg_enum.h> #define vl_typedefs /* define message structures */ #include <vnet/vnet_all_api_h.h> #undef vl_typedefs #define vl_endianfun /* define message structures */ #include <vnet/vnet_all_api_h.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 <vnet/vnet_all_api_h.h> #undef vl_printfun #include <vlibapi/api_helper_macros.h> #define foreach_vpe_api_msg \ _(CREATE_VHOST_USER_IF, create_vhost_user_if) \ _(MODIFY_VHOST_USER_IF, modify_vhost_user_if) \ _(DELETE_VHOST_USER_IF, delete_vhost_user_if) \ _(SW_INTERFACE_VHOST_USER_DUMP, sw_interface_vhost_user_dump) /* * WARNING: replicated pending api refactor completion */ static void send_sw_interface_event_deleted (vpe_api_main_t * am, vl_api_registration_t * reg, u32 sw_if_index) { vl_api_sw_interface_event_t *mp; mp = vl_msg_api_alloc (sizeof (*mp)); clib_memset (mp, 0, sizeof (*mp)); mp->_vl_msg_id = ntohs (VL_API_SW_INTERFACE_EVENT); mp->sw_if_index = ntohl (sw_if_index); mp->flags = 0; mp->deleted = 1; vl_api_send_msg (reg, (u8 *) mp); } static void vl_api_create_vhost_user_if_t_handler (vl_api_create_vhost_user_if_t * mp) { int rv = 0; vl_api_create_vhost_user_if_reply_t *rmp; u32 sw_if_index = (u32) ~ 0; vnet_main_t *vnm = vnet_get_main (); vlib_main_t *vm = vlib_get_main (); u64 features = (u64) ~ (0ULL); u64 disabled_features = (u64) (0ULL); if (mp->disable_mrg_rxbuf) disabled_features = (1ULL << FEAT_VIRTIO_NET_F_MRG_RXBUF); if (mp->disable_indirect_desc) disabled_features |= (1ULL << FEAT_VIRTIO_F_INDIRECT_DESC); features &= ~disabled_features; rv = vhost_user_create_if (vnm, vm, (char *) mp->sock_filename, mp->is_server, &sw_if_index, features, mp->renumber, ntohl (mp->custom_dev_instance), (mp->use_custom_mac) ? mp->mac_address : NULL); /* Remember an interface tag for the new interface */ if (rv == 0) { /* If a tag was supplied... */ if (mp->tag[0]) { /* Make sure it's a proper C-string */ mp->tag[ARRAY_LEN (mp->tag) - 1] = 0; u8 *tag = format (0, "%s%c", mp->tag, 0); vnet_set_sw_interface_tag (vnm, tag, sw_if_index); } } /* *INDENT-OFF* */ REPLY_MACRO2(VL_API_CREATE_VHOST_USER_IF_REPLY, ({ rmp->sw_if_index = ntohl (sw_if_index); })); /* *INDENT-ON* */ } static void vl_api_modify_vhost_user_if_t_handler (vl_api_modify_vhost_user_if_t * mp) { int rv = 0; vl_api_modify_vhost_user_if_reply_t *rmp; u32 sw_if_index = ntohl (mp->sw_if_index); vnet_main_t *vnm = vnet_get_main (); vlib_main_t *vm = vlib_get_main (); rv = vhost_user_modify_if (vnm, vm, (char *) mp->sock_filename, mp->is_server, sw_if_index, (u64) ~ 0, mp->renumber, ntohl (mp->custom_dev_instance)); REPLY_MACRO (VL_API_MODIFY_VHOST_USER_IF_REPLY); } static void vl_api_delete_vhost_user_if_t_handler (vl_api_delete_vhost_user_if_t * mp) { int rv = 0; vl_api_delete_vhost_user_if_reply_t *rmp; vpe_api_main_t *vam = &vpe_api_main; u32 sw_if_index = ntohl (mp->sw_if_index); vl_api_registration_t *reg; vnet_main_t *vnm = vnet_get_main (); vlib_main_t *vm = vlib_get_main (); rv = vhost_user_delete_if (vnm, vm, sw_if_index); REPLY_MACRO (VL_API_DELETE_VHOST_USER_IF_REPLY); if (!rv) { reg = vl_api_client_index_to_registration (mp->client_index); if (!reg) return; vnet_clear_sw_interface_tag (vnm, sw_if_index); send_sw_interface_event_deleted (vam, reg, sw_if_index); } } static void send_sw_interface_vhost_user_details (vpe_api_main_t * am, vl_api_registration_t * reg, vhost_user_intf_details_t * vui, u32 context) { vl_api_sw_interface_vhost_user_details_t *mp; mp = vl_msg_api_alloc (sizeof (*mp)); clib_memset (mp, 0, sizeof (*mp)); mp->_vl_msg_id = ntohs (VL_API_SW_INTERFACE_VHOST_USER_DETAILS); mp->sw_if_index = ntohl (vui->sw_if_index); mp->virtio_net_hdr_sz = ntohl (vui->virtio_net_hdr_sz); mp->features = clib_net_to_host_u64 (vui->features); mp->is_server = vui->is_server; mp->num_regions = ntohl (vui->num_regions); mp->sock_errno = ntohl (vui->sock_errno); mp->context = context; strncpy ((char *) mp->sock_filename, (char *) vui->sock_filename, ARRAY_LEN (mp->sock_filename) - 1); strncpy ((char *) mp->interface_name, (char *) vui->if_name, ARRAY_LEN (mp->interface_name) - 1); vl_api_send_msg (reg, (u8 *) mp); } static void vl_api_sw_interface_vhost_user_dump_t_handler (vl_api_sw_interface_vhost_user_dump_t * mp) { int rv = 0; vpe_api_main_t *am = &vpe_api_main; vnet_main_t *vnm = vnet_get_main (); vlib_main_t *vm = vlib_get_main (); vhost_user_intf_details_t *ifaces = NULL; vhost_user_intf_details_t *vuid = NULL; vl_api_registration_t *reg; reg = vl_api_client_index_to_registration (mp->client_index); if (!reg) return; rv = vhost_user_dump_ifs (vnm, vm, &ifaces); if (rv) return; vec_foreach (vuid, ifaces) { send_sw_interface_vhost_user_details (am, reg, vuid, mp->context); } vec_free (ifaces); } /* * vhost-user_api_hookup * Add vpe's API message handlers to the table. * vlib has alread mapped shared memory and * added the client registration handlers. * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process() */ #define vl_msg_name_crc_list #include <vnet/vnet_all_api_h.h> #undef vl_msg_name_crc_list static void setup_message_id_table (api_main_t * am) { #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id); foreach_vl_msg_name_crc_vhost_user; #undef _ } static clib_error_t * vhost_user_api_hookup (vlib_main_t * vm) { api_main_t *am = &api_main; #define _(N,n) \ vl_msg_api_set_handlers(VL_API_##N, #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_vpe_api_msg; #undef _ /* Mark CREATE_VHOST_USER_IF as mp safe */ am->is_mp_safe[VL_API_CREATE_VHOST_USER_IF] = 1; /* * Set up the (msg_name, crc, message-id) table */ setup_message_id_table (am); return 0; } VLIB_API_INIT_FUNCTION (vhost_user_api_hookup); /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */


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