2 * Copyright (c) 2017 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
16 #include <vnet/vnet.h>
17 #include <vppinfra/vec.h>
18 #include <vppinfra/format.h>
21 #include <vnet/ip/ip.h>
22 #include <vnet/ethernet/ethernet.h>
23 #include <vnet/ethernet/arp_packet.h>
24 #include <vnet/interface/rx_queue_funcs.h>
25 #include <dpdk/buffer.h>
26 #include <dpdk/device/dpdk.h>
27 #include <dpdk/device/dpdk_priv.h>
28 #include <vppinfra/error.h>
31 dpdk_device_error (dpdk_device_t * xd, char *str, int rv)
33 dpdk_log_err ("Interface %U error %d: %s",
34 format_dpdk_device_name, xd->port_id, rv, rte_strerror (rv));
35 xd->errors = clib_error_return (xd->errors, "%s[port:%d, errno:%d]: %s",
36 str, xd->port_id, rv, rte_strerror (rv));
40 dpdk_device_setup (dpdk_device_t * xd)
42 dpdk_main_t *dm = &dpdk_main;
43 vlib_main_t *vm = vlib_get_main ();
44 vnet_main_t *vnm = vnet_get_main ();
45 vlib_thread_main_t *tm = vlib_get_thread_main ();
46 vnet_sw_interface_t *sw = vnet_get_sw_interface (vnm, xd->sw_if_index);
47 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, xd->hw_if_index);
48 struct rte_eth_dev_info dev_info;
53 ASSERT (vlib_get_thread_index () == 0);
55 clib_error_free (xd->errors);
56 sw->flags &= ~VNET_SW_INTERFACE_FLAG_ERROR;
58 if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
60 vnet_hw_interface_set_flags (dm->vnet_main, xd->hw_if_index, 0);
61 dpdk_device_stop (xd);
64 /* Enable flow director when flows exist */
65 if (xd->pmd == VNET_DPDK_PMD_I40E)
67 if ((xd->flags & DPDK_DEVICE_FLAG_RX_FLOW_OFFLOAD) != 0)
68 xd->port_conf.fdir_conf.mode = RTE_FDIR_MODE_PERFECT;
70 xd->port_conf.fdir_conf.mode = RTE_FDIR_MODE_NONE;
73 rte_eth_dev_info_get (xd->port_id, &dev_info);
75 bitmap = xd->port_conf.txmode.offloads & ~dev_info.tx_offload_capa;
78 dpdk_log_warn ("unsupported tx offloads requested on port %u: %U",
79 xd->port_id, format_dpdk_tx_offload_caps, bitmap);
80 xd->port_conf.txmode.offloads ^= bitmap;
83 bitmap = xd->port_conf.rxmode.offloads & ~dev_info.rx_offload_capa;
86 dpdk_log_warn ("unsupported rx offloads requested on port %u: %U",
87 xd->port_id, format_dpdk_rx_offload_caps, bitmap);
88 xd->port_conf.rxmode.offloads ^= bitmap;
91 rv = rte_eth_dev_configure (xd->port_id, xd->rx_q_used,
92 xd->tx_q_used, &xd->port_conf);
96 dpdk_device_error (xd, "rte_eth_dev_configure", rv);
100 vec_validate_aligned (xd->tx_queues, xd->tx_q_used - 1,
101 CLIB_CACHE_LINE_BYTES);
102 for (j = 0; j < xd->tx_q_used; j++)
105 rte_eth_tx_queue_setup (xd->port_id, j, xd->nb_tx_desc,
106 xd->cpu_socket, &xd->tx_conf);
108 /* retry with any other CPU socket */
111 rte_eth_tx_queue_setup (xd->port_id, j,
112 xd->nb_tx_desc, SOCKET_ID_ANY,
115 dpdk_device_error (xd, "rte_eth_tx_queue_setup", rv);
117 if (xd->tx_q_used < tm->n_vlib_mains)
118 clib_spinlock_init (&vec_elt (xd->tx_queues, j).lock);
121 vec_validate_aligned (xd->rx_queues, xd->rx_q_used - 1,
122 CLIB_CACHE_LINE_BYTES);
123 for (j = 0; j < xd->rx_q_used; j++)
125 dpdk_rx_queue_t *rxq = vec_elt_at_index (xd->rx_queues, j);
126 u8 bpidx = vlib_buffer_pool_get_default_for_numa (
127 vm, vnet_hw_if_get_rx_queue_numa_node (vnm, rxq->queue_index));
128 vlib_buffer_pool_t *bp = vlib_get_buffer_pool (vm, bpidx);
129 struct rte_mempool *mp = dpdk_mempool_by_buffer_pool_index[bpidx];
131 rv = rte_eth_rx_queue_setup (xd->port_id, j, xd->nb_rx_desc,
132 xd->cpu_socket, 0, mp);
134 /* retry with any other CPU socket */
136 rv = rte_eth_rx_queue_setup (xd->port_id, j, xd->nb_rx_desc,
137 SOCKET_ID_ANY, 0, mp);
139 rxq->buffer_pool_index = bp->index;
142 dpdk_device_error (xd, "rte_eth_rx_queue_setup", rv);
145 if (vec_len (xd->errors))
148 rte_eth_dev_set_mtu (xd->port_id, hi->max_packet_bytes);
150 if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
151 dpdk_device_start (xd);
153 if (vec_len (xd->errors))
159 xd->flags |= DPDK_DEVICE_FLAG_PMD_INIT_FAIL;
160 sw->flags |= VNET_SW_INTERFACE_FLAG_ERROR;
164 dpdk_device_start (dpdk_device_t * xd)
168 if (xd->flags & DPDK_DEVICE_FLAG_PMD_INIT_FAIL)
171 rv = rte_eth_dev_start (xd->port_id);
175 dpdk_device_error (xd, "rte_eth_dev_start", rv);
179 if (xd->default_mac_address)
180 rv = rte_eth_dev_default_mac_addr_set (xd->port_id,
181 (void *) xd->default_mac_address);
184 dpdk_device_error (xd, "rte_eth_dev_default_mac_addr_set", rv);
186 if (xd->flags & DPDK_DEVICE_FLAG_PROMISC)
187 rte_eth_promiscuous_enable (xd->port_id);
189 rte_eth_promiscuous_disable (xd->port_id);
191 rte_eth_allmulticast_enable (xd->port_id);
193 dpdk_log_info ("Interface %U started",
194 format_dpdk_device_name, xd->port_id);
198 dpdk_device_stop (dpdk_device_t * xd)
200 if (xd->flags & DPDK_DEVICE_FLAG_PMD_INIT_FAIL)
203 rte_eth_allmulticast_disable (xd->port_id);
204 rte_eth_dev_stop (xd->port_id);
205 clib_memset (&xd->link, 0, sizeof (struct rte_eth_link));
207 dpdk_log_info ("Interface %U stopped",
208 format_dpdk_device_name, xd->port_id);
211 void vl_api_force_rpc_call_main_thread (void *fp, u8 * data, u32 data_length);
214 dpdk_port_state_callback_inline (dpdk_portid_t port_id,
215 enum rte_eth_event_type type, void *param)
217 struct rte_eth_link link;
219 RTE_SET_USED (param);
220 if (type != RTE_ETH_EVENT_INTR_LSC)
222 dpdk_log_info ("Unknown event %d received for port %d", type, port_id);
226 rte_eth_link_get_nowait (port_id, &link);
227 u8 link_up = link.link_status;
229 dpdk_log_info ("Port %d Link Up - speed %u Mbps - %s",
230 port_id, (unsigned) link.link_speed,
231 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
232 "full-duplex" : "half-duplex");
234 dpdk_log_info ("Port %d Link Down\n\n", port_id);
240 dpdk_port_state_callback (dpdk_portid_t port_id,
241 enum rte_eth_event_type type,
243 void *ret_param __attribute__ ((unused)))
245 return dpdk_port_state_callback_inline (port_id, type, param);
248 /* If this device is PCI return pointer to info, otherwise NULL */
249 struct rte_pci_device *
250 dpdk_get_pci_device (const struct rte_eth_dev_info *info)
252 const struct rte_bus *bus;
254 bus = rte_bus_find_by_device (info->device);
255 if (bus && !strcmp (bus->name, "pci"))
256 return RTE_DEV_TO_PCI (info->device);
261 /* If this device is VMBUS return pointer to info, otherwise NULL */
262 struct rte_vmbus_device *
263 dpdk_get_vmbus_device (const struct rte_eth_dev_info *info)
265 const struct rte_bus *bus;
267 bus = rte_bus_find_by_device (info->device);
268 if (bus && !strcmp (bus->name, "vmbus"))
269 return container_of (info->device, struct rte_vmbus_device, device);
275 * fd.io coding-style-patch-verification: ON
278 * eval: (c-set-style "gnu")