vpp - Vector Packet Processing

Age	Commit message (Expand)	Author	Files	Lines
2016-11-28	Add support for using documentation siphons in multiple ways	Chris Luke	1	-20/+59
2016-09-27	Fix missing output in generated CLI/config	Chris Luke	1	-0/+1
2016-09-21	Refactor pre-Doxy siphon scripts; VPP-396	Chris Luke	1	-0/+271

/* *------------------------------------------------------------------ * virtio_api.c - vnet virtio pci device driver API support * * Copyright (c) 2018 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/ip/ip.h> #include <vnet/devices/virtio/virtio.h> #include <vnet/devices/virtio/pci.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_virtio_pci_api_msg \ _(VIRTIO_PCI_CREATE, virtio_pci_create) \ _(VIRTIO_PCI_DELETE, virtio_pci_delete) \ _(SW_INTERFACE_VIRTIO_PCI_DUMP, sw_interface_virtio_pci_dump) static void vl_api_virtio_pci_create_t_handler (vl_api_virtio_pci_create_t * mp) { vlib_main_t *vm = vlib_get_main (); vl_api_virtio_pci_create_reply_t *rmp; vl_api_registration_t *reg; virtio_pci_create_if_args_t _a, *ap = &_a; clib_memset (ap, 0, sizeof (*ap)); ap->addr = ntohl (mp->pci_addr); if (!mp->use_random_mac) { clib_memcpy (ap->mac_addr, mp->mac_address, 6); ap->mac_addr_set = 1; } ap->sw_if_index = (u32) ~ 0; if (mp->gso_enabled) ap->gso_enabled = 1; else ap->gso_enabled = 0; ap->features = clib_net_to_host_u64 (mp->features); virtio_pci_create_if (vm, ap); reg = vl_api_client_index_to_registration (mp->client_index); if (!reg) return;; rmp = vl_msg_api_alloc (sizeof (*rmp)); rmp->_vl_msg_id = htons (VL_API_VIRTIO_PCI_CREATE_REPLY); rmp->context = mp->context; rmp->retval = htonl (ap->rv); rmp->sw_if_index = htonl (ap->sw_if_index); vl_api_send_msg (reg, (u8 *) rmp); } static void vl_api_virtio_pci_delete_t_handler (vl_api_virtio_pci_delete_t * mp) { vnet_main_t *vnm = vnet_get_main (); vlib_main_t *vm = vlib_get_main (); virtio_main_t *vim = &virtio_main; int rv = 0; vnet_hw_interface_t *hw; virtio_if_t *vif; vl_api_virtio_pci_delete_reply_t *rmp; vl_api_registration_t *reg; hw = vnet_get_sup_hw_interface_api_visible_or_null (vnm, htonl (mp->sw_if_index)); if (hw == NULL || virtio_device_class.index != hw->dev_class_index) { rv = VNET_API_ERROR_INVALID_SW_IF_INDEX; goto reply; } vif = pool_elt_at_index (vim->interfaces, hw->dev_instance); rv = virtio_pci_delete_if (vm, vif); reply: reg = vl_api_client_index_to_registration (mp->client_index); if (!reg) return; rmp = vl_msg_api_alloc (sizeof (*rmp)); rmp->_vl_msg_id = htons (VL_API_VIRTIO_PCI_DELETE_REPLY); rmp->context = mp->context; rmp->retval = htonl (rv); vl_api_send_msg (reg, (u8 *) rmp); } static void virtio_pci_send_sw_interface_details (vpe_api_main_t * am, vl_api_registration_t * reg, virtio_if_t * vif, u32 context) { vl_api_sw_interface_virtio_pci_details_t *mp; mp = vl_msg_api_alloc (sizeof (*mp)); clib_memset (mp, 0, sizeof (*mp)); mp->_vl_msg_id = htons (VL_API_SW_INTERFACE_VIRTIO_PCI_DETAILS); mp->pci_addr = htonl (vif->pci_addr.as_u32); mp->sw_if_index = htonl (vif->sw_if_index); virtio_vring_t *vring = vec_elt_at_index (vif->rxq_vrings, 0); mp->rx_ring_sz = htons (vring->size); vring = vec_elt_at_index (vif->txq_vrings, 0); mp->tx_ring_sz = htons (vring->size); clib_memcpy (mp->mac_addr, vif->mac_addr, 6); mp->features = clib_host_to_net_u64 (vif->features); mp->context = context; vl_api_send_msg (reg, (u8 *) mp); } static void vl_api_sw_interface_virtio_pci_dump_t_handler (vl_api_sw_interface_virtio_pci_dump_t * mp) { vpe_api_main_t *am = &vpe_api_main; vl_api_registration_t *reg; virtio_main_t *vmx = &virtio_main; virtio_if_t *vif; reg = vl_api_client_index_to_registration (mp->client_index); if (!reg) return; pool_foreach (vif, vmx->interfaces, ( { if (vif->type == VIRTIO_IF_TYPE_PCI) { virtio_pci_send_sw_interface_details (am, reg, vif, mp->context);} } )); } #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_virtio; #undef _ } static clib_error_t * virtio_pci_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_virtio_pci_api_msg; #undef _ /* * Set up the (msg_name, crc, message-id) table */ setup_message_id_table (am); return 0; } VLIB_API_INIT_FUNCTION (virtio_pci_api_hookup); /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */