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 <dpdk/buffer.h>
25 #include <dpdk/device/dpdk.h>
26 #include <dpdk/device/dpdk_priv.h>
27 #include <vppinfra/error.h>
30 dpdk_device_error (dpdk_device_t * xd, char *str, int rv)
32 dpdk_log_err ("Interface %U error %d: %s",
33 format_dpdk_device_name, xd->port_id, rv, rte_strerror (rv));
34 xd->errors = clib_error_return (xd->errors, "%s[port:%d, errno:%d]: %s",
35 str, xd->port_id, rv, rte_strerror (rv));
39 dpdk_device_setup (dpdk_device_t * xd)
41 dpdk_main_t *dm = &dpdk_main;
42 vlib_main_t *vm = vlib_get_main ();
43 vnet_main_t *vnm = vnet_get_main ();
44 vnet_sw_interface_t *sw = vnet_get_sw_interface (vnm, xd->sw_if_index);
45 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, xd->hw_if_index);
46 struct rte_eth_dev_info dev_info;
51 ASSERT (vlib_get_thread_index () == 0);
53 clib_error_free (xd->errors);
54 sw->flags &= ~VNET_SW_INTERFACE_FLAG_ERROR;
56 if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
58 vnet_hw_interface_set_flags (dm->vnet_main, xd->hw_if_index, 0);
59 dpdk_device_stop (xd);
62 /* Enable flow director when flows exist */
63 if (xd->pmd == VNET_DPDK_PMD_I40E)
65 if ((xd->flags & DPDK_DEVICE_FLAG_RX_FLOW_OFFLOAD) != 0)
66 xd->port_conf.fdir_conf.mode = RTE_FDIR_MODE_PERFECT;
68 xd->port_conf.fdir_conf.mode = RTE_FDIR_MODE_NONE;
71 rte_eth_dev_info_get (xd->port_id, &dev_info);
73 bitmap = xd->port_conf.txmode.offloads & ~dev_info.tx_offload_capa;
76 dpdk_log_warn ("unsupported tx offloads requested on port %u: %U",
77 xd->port_id, format_dpdk_tx_offload_caps, bitmap);
78 xd->port_conf.txmode.offloads ^= bitmap;
81 bitmap = xd->port_conf.rxmode.offloads & ~dev_info.rx_offload_capa;
84 dpdk_log_warn ("unsupported rx offloads requested on port %u: %U",
85 xd->port_id, format_dpdk_rx_offload_caps, bitmap);
86 xd->port_conf.rxmode.offloads ^= bitmap;
89 rv = rte_eth_dev_configure (xd->port_id, xd->rx_q_used,
90 xd->tx_q_used, &xd->port_conf);
94 dpdk_device_error (xd, "rte_eth_dev_configure", rv);
98 /* Set up one TX-queue per worker thread */
99 for (j = 0; j < xd->tx_q_used; j++)
102 rte_eth_tx_queue_setup (xd->port_id, j, xd->nb_tx_desc,
103 xd->cpu_socket, &xd->tx_conf);
105 /* retry with any other CPU socket */
108 rte_eth_tx_queue_setup (xd->port_id, j,
109 xd->nb_tx_desc, SOCKET_ID_ANY,
112 dpdk_device_error (xd, "rte_eth_tx_queue_setup", rv);
115 vec_validate_aligned (xd->buffer_pool_for_queue, xd->rx_q_used - 1,
116 CLIB_CACHE_LINE_BYTES);
117 for (j = 0; j < xd->rx_q_used; j++)
119 uword tidx = vnet_get_device_input_thread_index (dm->vnet_main,
121 unsigned lcore = vlib_worker_threads[tidx].cpu_id;
122 u16 socket_id = rte_lcore_to_socket_id (lcore);
123 u8 bpidx = vlib_buffer_pool_get_default_for_numa (vm, socket_id);
124 vlib_buffer_pool_t *bp = vlib_get_buffer_pool (vm, bpidx);
125 struct rte_mempool *mp = dpdk_mempool_by_buffer_pool_index[bpidx];
127 rv = rte_eth_rx_queue_setup (xd->port_id, j, xd->nb_rx_desc,
128 xd->cpu_socket, 0, mp);
130 /* retry with any other CPU socket */
132 rv = rte_eth_rx_queue_setup (xd->port_id, j, xd->nb_rx_desc,
133 SOCKET_ID_ANY, 0, mp);
135 xd->buffer_pool_for_queue[j] = bp->index;
138 dpdk_device_error (xd, "rte_eth_rx_queue_setup", rv);
141 if (vec_len (xd->errors))
144 rte_eth_dev_set_mtu (xd->port_id, hi->max_packet_bytes);
146 if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
147 dpdk_device_start (xd);
149 if (vec_len (xd->errors))
155 xd->flags |= DPDK_DEVICE_FLAG_PMD_INIT_FAIL;
156 sw->flags |= VNET_SW_INTERFACE_FLAG_ERROR;
160 dpdk_device_start (dpdk_device_t * xd)
164 if (xd->flags & DPDK_DEVICE_FLAG_PMD_INIT_FAIL)
167 rv = rte_eth_dev_start (xd->port_id);
171 dpdk_device_error (xd, "rte_eth_dev_start", rv);
175 if (xd->default_mac_address)
176 rv = rte_eth_dev_default_mac_addr_set (xd->port_id,
177 (void *) xd->default_mac_address);
180 dpdk_device_error (xd, "rte_eth_dev_default_mac_addr_set", rv);
182 if (xd->flags & DPDK_DEVICE_FLAG_PROMISC)
183 rte_eth_promiscuous_enable (xd->port_id);
185 rte_eth_promiscuous_disable (xd->port_id);
187 rte_eth_allmulticast_enable (xd->port_id);
189 dpdk_log_info ("Interface %U started",
190 format_dpdk_device_name, xd->port_id);
194 dpdk_device_stop (dpdk_device_t * xd)
196 if (xd->flags & DPDK_DEVICE_FLAG_PMD_INIT_FAIL)
199 rte_eth_allmulticast_disable (xd->port_id);
200 rte_eth_dev_stop (xd->port_id);
201 clib_memset (&xd->link, 0, sizeof (struct rte_eth_link));
203 dpdk_log_info ("Interface %U stopped",
204 format_dpdk_device_name, xd->port_id);
207 void vl_api_force_rpc_call_main_thread (void *fp, u8 * data, u32 data_length);
210 dpdk_port_state_callback_inline (dpdk_portid_t port_id,
211 enum rte_eth_event_type type, void *param)
213 struct rte_eth_link link;
215 RTE_SET_USED (param);
216 if (type != RTE_ETH_EVENT_INTR_LSC)
218 dpdk_log_info ("Unknown event %d received for port %d", type, port_id);
222 rte_eth_link_get_nowait (port_id, &link);
223 u8 link_up = link.link_status;
225 dpdk_log_info ("Port %d Link Up - speed %u Mbps - %s",
226 port_id, (unsigned) link.link_speed,
227 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
228 "full-duplex" : "half-duplex");
230 dpdk_log_info ("Port %d Link Down\n\n", port_id);
236 dpdk_port_state_callback (dpdk_portid_t port_id,
237 enum rte_eth_event_type type,
239 void *ret_param __attribute__ ((unused)))
241 return dpdk_port_state_callback_inline (port_id, type, param);
244 /* If this device is PCI return pointer to info, otherwise NULL */
245 struct rte_pci_device *
246 dpdk_get_pci_device (const struct rte_eth_dev_info *info)
248 const struct rte_bus *bus;
250 bus = rte_bus_find_by_device (info->device);
251 if (bus && !strcmp (bus->name, "pci"))
252 return RTE_DEV_TO_PCI (info->device);
258 * fd.io coding-style-patch-verification: ON
261 * eval: (c-set-style "gnu")