CSIT-748 vnf-agent integration - csit

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author	Peter Mikus <pmikus@cisco.com>	2017-09-22 14:59:40 +0200
committer	Peter Mikus <pmikus@cisco.com>	2017-10-12 08:39:16 +0000
commit	9a261ea61549fc6a5c23369d2e236b002dc35038 (patch)
tree	8004f366007d3ee0210bbf099b71491bb412fe88 /tests/vpp/perf/__init__.robot
parent	f2573eccd38609fbc3d44f1fb9c706d08e50d49c (diff)

CSIT-748 vnf-agent integration

CSIT-773 Implement RF keywords for k8s - Implementation of Test Suite Setup for Ligato vnf-agent testing - Implementation of KubernetesUtil for controlling kubectl - Yaml templates for L2XC topology with 1cswitch and 1cnf - Yaml templates for L2BD topology with 1cswitch and 1cnf - ligato bootstrap script for creating vnf-agent image Change-Id: Iebefde0eb984a27a0afcdf29fe549ca4edf8a61e Signed-off-by: Peter Mikus <pmikus@cisco.com>

Diffstat (limited to 'tests/vpp/perf/__init__.robot')

-rw-r--r--

tests/vpp/perf/__init__.robot

1 files changed, 1 insertions, 0 deletions

/* *------------------------------------------------------------------ * 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 <unistd.h> #include <fcntl.h> #include <net/if.h> #include <linux/if_link.h> #include <linux/if_ether.h> #include <vppinfra/linux/sysfs.h> #include <vlib/vlib.h> #include <vlib/unix/unix.h> #include <vlib/pci/pci.h> #include <vnet/ethernet/ethernet.h> #include <rdma/rdma.h> /* Default RSS hash key (from DPDK MLX driver) */ static u8 rdma_rss_hash_key[] = { 0x2c, 0xc6, 0x81, 0xd1, 0x5b, 0xdb, 0xf4, 0xf7, 0xfc, 0xa2, 0x83, 0x19, 0xdb, 0x1a, 0x3e, 0x94, 0x6b, 0x9e, 0x38, 0xd9, 0x2c, 0x9c, 0x03, 0xd1, 0xad, 0x99, 0x44, 0xa7, 0xd9, 0x56, 0x3d, 0x59, 0x06, 0x3c, 0x25, 0xf3, 0xfc, 0x1f, 0xdc, 0x2a, }; rdma_main_t rdma_main; #define rdma_log__(lvl, dev, f, ...) \ do { \ vlib_log((lvl), rdma_main.log_class, "%s: " f, \ &(dev)->name, ##__VA_ARGS__); \ } while (0) #define rdma_log(lvl, dev, f, ...) \ rdma_log__((lvl), (dev), "%s (%d): " f, strerror(errno), errno, ##__VA_ARGS__) static struct ibv_flow * rdma_rxq_init_flow (const rdma_device_t * rd, struct ibv_qp *qp, const mac_address_t * mac, const mac_address_t * mask, u32 flags) { struct ibv_flow *flow; struct raw_eth_flow_attr { struct ibv_flow_attr attr; struct ibv_flow_spec_eth spec_eth; } __attribute__ ((packed)) fa; memset (&fa, 0, sizeof (fa)); fa.attr.num_of_specs = 1; fa.attr.port = 1; fa.attr.flags = flags; fa.spec_eth.type = IBV_FLOW_SPEC_ETH; fa.spec_eth.size = sizeof (struct ibv_flow_spec_eth); memcpy (fa.spec_eth.val.dst_mac, mac, sizeof (fa.spec_eth.val.dst_mac)); memcpy (fa.spec_eth.mask.dst_mac, mask, sizeof (fa.spec_eth.mask.dst_mac)); flow = ibv_create_flow (qp, &fa.attr); if (!flow) rdma_log (VLIB_LOG_LEVEL_ERR, rd, "ibv_create_flow() failed"); return flow; } static u32 rdma_rxq_destroy_flow (const rdma_device_t * rd, struct ibv_flow **flow) { if (!*flow) return 0; if (ibv_destroy_flow (*flow)) { rdma_log (VLIB_LOG_LEVEL_ERR, rd, "ibv_destroy_flow() failed"); return ~0; } *flow = 0; return 0; } static u32 rdma_dev_set_promisc (rdma_device_t * rd) { const mac_address_t all = {.bytes = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0} }; int err; err = rdma_rxq_destroy_flow (rd, &rd->flow_mcast); if (err) return ~0; err = rdma_rxq_destroy_flow (rd, &rd->flow_ucast); if (err) return ~0; rd->flow_ucast = rdma_rxq_init_flow (rd, rd->rx_qp, &all, &all, 0); if (!rd->flow_ucast) return ~0; rd->flags |= RDMA_DEVICE_F_PROMISC; return 0; } static u32 rdma_dev_set_ucast (rdma_device_t * rd) { const mac_address_t ucast = {.bytes = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff} }; const mac_address_t mcast = {.bytes = {0x1, 0x0, 0x0, 0x0, 0x0, 0x0} }; int err; err = rdma_rxq_destroy_flow (rd, &rd->flow_mcast); if (err) return ~0; err = rdma_rxq_destroy_flow (rd, &rd->flow_ucast); if (err) return ~0; /* receive only packets with src = our MAC */ rd->flow_ucast = rdma_rxq_init_flow (rd, rd->rx_qp, &rd->hwaddr, &ucast, 0); if (!rd->flow_ucast) return ~0; /* receive multicast packets */ rd->flow_mcast = rdma_rxq_init_flow (rd, rd->rx_qp, &mcast, &mcast, IBV_FLOW_ATTR_FLAGS_DONT_TRAP /* let others receive mcast packet too (eg. Linux) */ ); if (!rd->flow_mcast) return ~0; rd->flags &= ~RDMA_DEVICE_F_PROMISC; return 0; } static clib_error_t * rdma_mac_change (vnet_hw_interface_t * hw, const u8 * old, const u8 * new) { rdma_main_t *rm = &rdma_main; rdma_device_t *rd = vec_elt_at_index (rm->devices, hw->dev_instance); mac_address_from_bytes (&rd->hwaddr, new); if (!(rd->flags & RDMA_DEVICE_F_PROMISC) && rdma_dev_set_ucast (rd)) { mac_address_from_bytes (&rd->hwaddr, old); return clib_error_return_unix (0, "MAC update failed"); } return 0; } static u32 rdma_dev_change_mtu (rdma_device_t * rd) { rdma_log__ (VLIB_LOG_LEVEL_ERR, rd, "MTU change not supported"); return ~0; } static u32 rdma_flag_change (vnet_main_t * vnm, vnet_hw_interface_t * hw, u32 flags) { rdma_main_t *rm = &rdma_main; rdma_device_t *rd = vec_elt_at_index (rm->devices, hw->dev_instance); switch (flags) { case 0: return rdma_dev_set_ucast (rd); case ETHERNET_INTERFACE_FLAG_ACCEPT_ALL: return rdma_dev_set_promisc (rd); case ETHERNET_INTERFACE_FLAG_MTU: return rdma_dev_change_mtu (rd); } rdma_log__ (VLIB_LOG_LEVEL_ERR, rd, "unknown flag %x requested", flags); return ~0; } static void rdma_update_state (vnet_main_t * vnm, rdma_device_t * rd, int port) { struct ibv_port_attr attr; u32 width = 0; u32 speed = 0; if (ibv_query_port (rd->ctx, port, &attr)) { vnet_hw_interface_set_link_speed (vnm, rd->hw_if_index, 0); vnet_hw_interface_set_flags (vnm, rd->hw_if_index, 0); return; } /* update state */ switch (attr.state) { case IBV_PORT_ACTIVE: /* fallthrough */ case IBV_PORT_ACTIVE_DEFER: rd->flags |= RDMA_DEVICE_F_LINK_UP; vnet_hw_interface_set_flags (vnm, rd->hw_if_index, VNET_HW_INTERFACE_FLAG_LINK_UP); break; default: rd->flags &= ~RDMA_DEVICE_F_LINK_UP; vnet_hw_interface_set_flags (vnm, rd->hw_if_index, 0); break; } /* update speed */ switch (attr.active_width) { case 1: width = 1; break; case 2: width = 4; break; case 4: width = 8; break; case 8: width = 12; break; } switch (attr.active_speed) { case 1: speed = 2500000; break; case 2: speed = 5000000; break; case 4: /* fallthrough */ case 8: speed = 10000000; break; case 16: speed = 14000000; break; case 32: speed = 25000000; break; } vnet_hw_interface_set_link_speed (vnm, rd->hw_if_index, width * speed); } static clib_error_t * rdma_async_event_error_ready (clib_file_t * f) { rdma_main_t *rm = &rdma_main; rdma_device_t *rd = vec_elt_at_index (rm->devices, f->private_data); return clib_error_return (0, "RDMA: %s: async event error", rd->name); } static clib_error_t * rdma_async_event_read_ready (clib_file_t * f) { vnet_main_t *vnm = vnet_get_main (); rdma_main_t *rm = &rdma_main; rdma_device_t *rd = vec_elt_at_index (rm->devices, f->private_data); int ret; struct ibv_async_event event; ret = ibv_get_async_event (rd->ctx, &event); if (ret < 0) return clib_error_return_unix (0, "ibv_get_async_event() failed"); switch (event.event_type) { case IBV_EVENT_PORT_ACTIVE: rdma_update_state (vnm, rd, event.element.port_num); break; case IBV_EVENT_PORT_ERR: rdma_update_state (vnm, rd, event.element.port_num); break; case IBV_EVENT_DEVICE_FATAL: rd->flags &= ~RDMA_DEVICE_F_LINK_UP; vnet_hw_interface_set_flags (vnm, rd->hw_if_index, 0); vlib_log_emerg (rm->log_class, "%s: fatal error", rd->name); break; default: rdma_log__ (VLIB_LOG_LEVEL_ERR, rd, "unhandeld RDMA async event %i", event.event_type); break; } ibv_ack_async_event (&event); return 0; } static clib_error_t * rdma_async_event_init (rdma_device_t * rd) { clib_file_t t = { 0 }; int ret; /* make RDMA async event fd non-blocking */ ret = fcntl (rd->ctx->async_fd, F_GETFL); if (ret < 0) return clib_error_return_unix (0, "fcntl(F_GETFL) failed"); ret = fcntl (rd->ctx->async_fd, F_SETFL, ret | O_NONBLOCK); if (ret < 0) return clib_error_return_unix (0, "fcntl(F_SETFL, O_NONBLOCK) failed"); /* register RDMA async event fd */ t.read_function = rdma_async_event_read_ready; t.file_descriptor = rd->ctx->async_fd; t.error_function = rdma_async_event_error_ready; t.private_data = rd->dev_instance; t.description = format (0, "%v async event", rd->name); rd->async_event_clib_file_index = clib_file_add (&file_main, &t); return 0; } static void rdma_async_event_cleanup (rdma_device_t * rd) { clib_file_del_by_index (&file_main, rd->async_event_clib_file_index); } static clib_error_t * rdma_register_interface (vnet_main_t * vnm, rdma_device_t * rd) { return ethernet_register_interface (vnm, rdma_device_class.index, rd->dev_instance, rd->hwaddr.bytes, &rd->hw_if_index, rdma_flag_change); } static void rdma_unregister_interface (vnet_main_t * vnm, rdma_device_t * rd) { vnet_hw_interface_set_flags (vnm, rd->hw_if_index, 0); vnet_hw_interface_unassign_rx_thread (vnm, rd->hw_if_index, 0); ethernet_delete_interface (vnm, rd->hw_if_index); } static void rdma_dev_cleanup (rdma_device_t * rd) { rdma_main_t *rm = &rdma_main; rdma_rxq_t *rxq; rdma_txq_t *txq; #define _(fn, arg) if (arg) \ { \ int rv; \ if ((rv = fn (arg))) \ rdma_log (VLIB_LOG_LEVEL_DEBUG, rd, #fn "() failed (rv = %d)", rv); \ } _(ibv_destroy_flow, rd->flow_mcast); _(ibv_destroy_flow, rd->flow_ucast); _(ibv_dereg_mr, rd->mr); vec_foreach (txq, rd->txqs) { _(ibv_destroy_qp, txq->qp); _(ibv_destroy_cq, txq->cq); } vec_foreach (rxq, rd->rxqs) { _(ibv_destroy_wq, rxq->wq); _(ibv_destroy_cq, rxq->cq); } _(ibv_destroy_rwq_ind_table, rd->rx_rwq_ind_tbl); _(ibv_destroy_qp, rd->rx_qp); _(ibv_dealloc_pd, rd->pd); _(ibv_close_device, rd->ctx); #undef _ clib_error_free (rd->error); vec_free (rd->rxqs); vec_free (rd->txqs); vec_free (rd->name); vlib_pci_free_device_info (rd->pci); pool_put (rm->devices, rd); } static clib_error_t * rdma_rxq_init (vlib_main_t * vm, rdma_device_t * rd, u16 qid, u32 n_desc) { rdma_rxq_t *rxq; struct ibv_wq_init_attr wqia; struct ibv_wq_attr wqa; vec_validate_aligned (rd->rxqs, qid, CLIB_CACHE_LINE_BYTES); rxq = vec_elt_at_index (rd->rxqs, qid); rxq->size = n_desc; vec_validate_aligned (rxq->bufs, n_desc - 1, CLIB_CACHE_LINE_BYTES); if ((rxq->cq = ibv_create_cq (rd->ctx, n_desc, NULL, NULL, 0)) == 0) return clib_error_return_unix (0, "Create CQ Failed"); memset (&wqia, 0, sizeof (wqia)); wqia.wq_type = IBV_WQT_RQ; wqia.max_wr = n_desc; wqia.max_sge = 1; wqia.pd = rd->pd; wqia.cq = rxq->cq; if ((rxq->wq = ibv_create_wq (rd->ctx, &wqia)) == 0) return clib_error_return_unix (0, "Create WQ Failed"); memset (&wqa, 0, sizeof (wqa)); wqa.attr_mask = IBV_WQ_ATTR_STATE; wqa.wq_state = IBV_WQS_RDY; if (ibv_modify_wq (rxq->wq, &wqa) != 0) return clib_error_return_unix (0, "Modify WQ (RDY) Failed"); return 0; } static clib_error_t * rdma_rxq_finalize (vlib_main_t * vm, rdma_device_t * rd) { struct ibv_rwq_ind_table_init_attr rwqia; struct ibv_qp_init_attr_ex qpia; struct ibv_wq **ind_tbl; u32 i; ASSERT (is_pow2 (vec_len (rd->rxqs)) && "rxq number should be a power of 2"); ind_tbl = vec_new (struct ibv_wq *, vec_len (rd->rxqs)); vec_foreach_index (i, rd->rxqs) ind_tbl[i] = vec_elt_at_index (rd->rxqs, i)->wq; memset (&rwqia, 0, sizeof (rwqia)); rwqia.log_ind_tbl_size = min_log2 (vec_len (ind_tbl)); rwqia.ind_tbl = ind_tbl; if ((rd->rx_rwq_ind_tbl = ibv_create_rwq_ind_table (rd->ctx, &rwqia)) == 0) return clib_error_return_unix (0, "RWQ indirection table create failed"); vec_free (ind_tbl); memset (&qpia, 0, sizeof (qpia)); qpia.qp_type = IBV_QPT_RAW_PACKET; qpia.comp_mask = IBV_QP_INIT_ATTR_PD | IBV_QP_INIT_ATTR_IND_TABLE | IBV_QP_INIT_ATTR_RX_HASH; qpia.pd = rd->pd; qpia.rwq_ind_tbl = rd->rx_rwq_ind_tbl; STATIC_ASSERT_SIZEOF (rdma_rss_hash_key, 40); qpia.rx_hash_conf.rx_hash_key_len = sizeof (rdma_rss_hash_key); qpia.rx_hash_conf.rx_hash_key = rdma_rss_hash_key; qpia.rx_hash_conf.rx_hash_function = IBV_RX_HASH_FUNC_TOEPLITZ; qpia.rx_hash_conf.rx_hash_fields_mask = IBV_RX_HASH_SRC_IPV4 | IBV_RX_HASH_DST_IPV4; if ((rd->rx_qp = ibv_create_qp_ex (rd->ctx, &qpia)) == 0) return clib_error_return_unix (0, "Queue Pair create failed"); if (rdma_dev_set_ucast (rd)) return clib_error_return_unix (0, "Set unicast mode failed"); return 0; } static clib_error_t * rdma_txq_init (vlib_main_t * vm, rdma_device_t * rd, u16 qid, u32 n_desc) { rdma_txq_t *txq; struct ibv_qp_init_attr qpia; struct ibv_qp_attr qpa; int qp_flags; vec_validate_aligned (rd->txqs, qid, CLIB_CACHE_LINE_BYTES); txq = vec_elt_at_index (rd->txqs, qid); txq->size = n_desc; vec_validate_aligned (txq->bufs, n_desc - 1, CLIB_CACHE_LINE_BYTES); if ((txq->cq = ibv_create_cq (rd->ctx, n_desc, NULL, NULL, 0)) == 0) return clib_error_return_unix (0, "Create CQ Failed"); memset (&qpia, 0, sizeof (qpia)); qpia.send_cq = txq->cq; qpia.recv_cq = txq->cq; qpia.cap.max_send_wr = n_desc; qpia.cap.max_send_sge = 1; qpia.qp_type = IBV_QPT_RAW_PACKET; if ((txq->qp = ibv_create_qp (rd->pd, &qpia)) == 0) return clib_error_return_unix (0, "Queue Pair create failed"); memset (&qpa, 0, sizeof (qpa)); qp_flags = IBV_QP_STATE | IBV_QP_PORT; qpa.qp_state = IBV_QPS_INIT; qpa.port_num = 1; if (ibv_modify_qp (txq->qp, &qpa, qp_flags) != 0) return clib_error_return_unix (0, "Modify QP (init) Failed"); memset (&qpa, 0, sizeof (qpa)); qp_flags = IBV_QP_STATE; qpa.qp_state = IBV_QPS_RTR; if (ibv_modify_qp (txq->qp, &qpa, qp_flags) != 0) return clib_error_return_unix (0, "Modify QP (receive) Failed"); memset (&qpa, 0, sizeof (qpa)); qp_flags = IBV_QP_STATE; qpa.qp_state = IBV_QPS_RTS; if (ibv_modify_qp (txq->qp, &qpa, qp_flags) != 0) return clib_error_return_unix (0, "Modify QP (send) Failed"); return 0; } static clib_error_t * rdma_dev_init (vlib_main_t * vm, rdma_device_t * rd, u32 rxq_size, u32 txq_size, u32 rxq_num) { clib_error_t *err; vlib_buffer_main_t *bm = vm->buffer_main; vlib_thread_main_t *tm = vlib_get_thread_main (); u32 i; if (rd->ctx == 0) return clib_error_return_unix (0, "Device Open Failed"); if ((rd->pd = ibv_alloc_pd (rd->ctx)) == 0) return clib_error_return_unix (0, "PD Alloc Failed"); ethernet_mac_address_generate (rd->hwaddr.bytes); /* * /!\ WARNING /!\ creation order is important * We *must* create TX queues *before* RX queues, otherwise we will receive * the broacast packets we sent */ for (i = 0; i < tm->n_vlib_mains; i++) if ((err = rdma_txq_init (vm, rd, i, txq_size))) return err; for (i = 0; i < rxq_num; i++) if ((err = rdma_rxq_init (vm, rd, i, rxq_size))) return err; if ((err = rdma_rxq_finalize (vm, rd))) return err; if ((rd->mr = ibv_reg_mr (rd->pd, (void *) bm->buffer_mem_start, bm->buffer_mem_size, IBV_ACCESS_LOCAL_WRITE)) == 0) return clib_error_return_unix (0, "Register MR Failed"); rd->lkey = rd->mr->lkey; /* avoid indirection in datapath */ return 0; } static uword sysfs_path_to_pci_addr (char *path, vlib_pci_addr_t * addr) { uword rv; unformat_input_t in; u8 *s; s = clib_sysfs_link_to_name (path); if (!s) return 0; unformat_init_string (&in, (char *) s, strlen ((char *) s)); rv = unformat (&in, "%U", unformat_vlib_pci_addr, addr); unformat_free (&in); vec_free (s); return rv; } void rdma_create_if (vlib_main_t * vm, rdma_create_if_args_t * args) { vnet_main_t *vnm = vnet_get_main (); rdma_main_t *rm = &rdma_main; rdma_device_t *rd; vlib_pci_addr_t pci_addr; struct ibv_device **dev_list; int n_devs; u8 *s; u16 qid; int i; args->rxq_size = args->rxq_size ? args->rxq_size : 2 * VLIB_FRAME_SIZE; args->txq_size = args->txq_size ? args->txq_size : 2 * VLIB_FRAME_SIZE; args->rxq_num = args->rxq_num ? args->rxq_num : 1; if (!is_pow2 (args->rxq_num)) { args->rv = VNET_API_ERROR_INVALID_VALUE; args->error = clib_error_return (0, "rx queue number must be a power of two"); goto err0; } if (args->rxq_size < VLIB_FRAME_SIZE || args->txq_size < VLIB_FRAME_SIZE || !is_pow2 (args->rxq_size) || !is_pow2 (args->txq_size)) { args->rv = VNET_API_ERROR_INVALID_VALUE; args->error = clib_error_return (0, "queue size must be a power of two >= %i", VLIB_FRAME_SIZE); goto err0; } dev_list = ibv_get_device_list (&n_devs); if (n_devs == 0) { args->error = clib_error_return_unix (0, "no RDMA devices available. Is the ib_uverbs module loaded?"); goto err0; } /* get PCI address */ s = format (0, "/sys/class/net/%s/device%c", args->ifname, 0); if (sysfs_path_to_pci_addr ((char *) s, &pci_addr) == 0) { args->error = clib_error_return (0, "cannot find PCI address for device "); goto err1; } pool_get_zero (rm->devices, rd); rd->dev_instance = rd - rm->devices; rd->per_interface_next_index = VNET_DEVICE_INPUT_NEXT_ETHERNET_INPUT; rd->linux_ifname = format (0, "%s", args->ifname); if (!args->name || 0 == args->name[0]) rd->name = format (0, "%s/%d", args->ifname, rd->dev_instance); else rd->name = format (0, "%s", args->name); rd->pci = vlib_pci_get_device_info (vm, &pci_addr, &args->error); if (!rd->pci) goto err2; /* if we failed to parse NUMA node, default to 0 */ if (-1 == rd->pci->numa_node) rd->pci->numa_node = 0; rd->pool = vlib_buffer_pool_get_default_for_numa (vm, rd->pci->numa_node); if (strncmp ((char *) rd->pci->driver_name, "mlx5_core", 9)) { args->error = clib_error_return (0, "invalid interface (only mlx5 supported for now)"); goto err2; } for (i = 0; i < n_devs; i++) { vlib_pci_addr_t addr; vec_reset_length (s); s = format (s, "%s/device%c", dev_list[i]->dev_path, 0); if (sysfs_path_to_pci_addr ((char *) s, &addr) == 0) continue; if (addr.as_u32 != rd->pci->addr.as_u32) continue; if ((rd->ctx = ibv_open_device (dev_list[i]))) break; } if ((args->error = rdma_dev_init (vm, rd, args->rxq_size, args->txq_size, args->rxq_num))) goto err2; if ((args->error = rdma_register_interface (vnm, rd))) goto err2; if ((args->error = rdma_async_event_init (rd))) goto err3; rdma_update_state (vnm, rd, 1); vnet_sw_interface_t *sw = vnet_get_hw_sw_interface (vnm, rd->hw_if_index); args->sw_if_index = rd->sw_if_index = sw->sw_if_index; /* * FIXME: add support for interrupt mode * vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, rd->hw_if_index); * hw->flags |= VNET_HW_INTERFACE_FLAG_SUPPORTS_INT_MODE; */ vnet_hw_interface_set_input_node (vnm, rd->hw_if_index, rdma_input_node.index); vec_foreach_index (qid, rd->rxqs) vnet_hw_interface_assign_rx_thread (vnm, rd->hw_if_index, qid, ~0); vec_free (s); return; err3: rdma_unregister_interface (vnm, rd); err2: rdma_dev_cleanup (rd); err1: ibv_free_device_list (dev_list); vec_free (s); args->rv = VNET_API_ERROR_INVALID_INTERFACE; err0: vlib_log_err (rm->log_class, "%U", format_clib_error, args->error); } void rdma_delete_if (vlib_main_t * vm, rdma_device_t * rd) { rdma_async_event_cleanup (rd); rdma_unregister_interface (vnet_get_main (), rd); rdma_dev_cleanup (rd); } static clib_error_t * rdma_interface_admin_up_down (vnet_main_t * vnm, u32 hw_if_index, u32 flags) { vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index); rdma_main_t *rm = &rdma_main; rdma_device_t *rd = vec_elt_at_index (rm->devices, hi->dev_instance); uword is_up = (flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) != 0; if (rd->flags & RDMA_DEVICE_F_ERROR) return clib_error_return (0, "device is in error state"); if (is_up) { vnet_hw_interface_set_flags (vnm, rd->hw_if_index, VNET_HW_INTERFACE_FLAG_LINK_UP); rd->flags |= RDMA_DEVICE_F_ADMIN_UP; } else { vnet_hw_interface_set_flags (vnm, rd->hw_if_index, 0); rd->flags &= ~RDMA_DEVICE_F_ADMIN_UP; } return 0; } static void rdma_set_interface_next_node (vnet_main_t * vnm, u32 hw_if_index, u32 node_index) { rdma_main_t *rm = &rdma_main; vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index); rdma_device_t *rd = pool_elt_at_index (rm->devices, hw->dev_instance); rd->per_interface_next_index = ~0 == node_index ? VNET_DEVICE_INPUT_NEXT_ETHERNET_INPUT : vlib_node_add_next (vlib_get_main (), rdma_input_node.index, node_index); } static char *rdma_tx_func_error_strings[] = { #define _(n,s) s, foreach_rdma_tx_func_error #undef _ }; /* *INDENT-OFF* */ VNET_DEVICE_CLASS (rdma_device_class) = { .name = "RDMA interface", .format_device = format_rdma_device, .format_device_name = format_rdma_device_name, .admin_up_down_function = rdma_interface_admin_up_down, .rx_redirect_to_node = rdma_set_interface_next_node, .tx_function_n_errors = RDMA_TX_N_ERROR, .tx_function_error_strings = rdma_tx_func_error_strings, .mac_addr_change_function = rdma_mac_change, }; /* *INDENT-ON* */ clib_error_t * rdma_init (vlib_main_t * vm) { rdma_main_t *rm = &rdma_main; rm->log_class = vlib_log_register_class ("rdma", 0); return 0; } /* *INDENT-OFF* */ VLIB_INIT_FUNCTION (rdma_init) = { .runs_after = VLIB_INITS ("pci_bus_init"), }; /* *INDENT-OFF* */ /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */


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