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>
19 #include <vlib/unix/cj.h>
22 #include <vnet/ip/ip.h>
23 #include <vnet/ethernet/ethernet.h>
24 #include <vnet/ethernet/arp_packet.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 vnet_sw_interface_t *sw = vnet_get_sw_interface (vnm, xd->sw_if_index);
46 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, xd->hw_if_index);
47 struct rte_eth_dev_info dev_info;
52 ASSERT (vlib_get_thread_index () == 0);
54 clib_error_free (xd->errors);
55 sw->flags &= ~VNET_SW_INTERFACE_FLAG_ERROR;
57 if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
59 vnet_hw_interface_set_flags (dm->vnet_main, xd->hw_if_index, 0);
60 dpdk_device_stop (xd);
63 /* Enable flow director when flows exist */
64 if (xd->pmd == VNET_DPDK_PMD_I40E)
66 if ((xd->flags & DPDK_DEVICE_FLAG_RX_FLOW_OFFLOAD) != 0)
67 xd->port_conf.fdir_conf.mode = RTE_FDIR_MODE_PERFECT;
69 xd->port_conf.fdir_conf.mode = RTE_FDIR_MODE_NONE;
72 rte_eth_dev_info_get (xd->port_id, &dev_info);
74 bitmap = xd->port_conf.txmode.offloads & ~dev_info.tx_offload_capa;
77 dpdk_log_warn ("unsupported tx offloads requested on port %u: %U",
78 xd->port_id, format_dpdk_tx_offload_caps, bitmap);
79 xd->port_conf.txmode.offloads ^= bitmap;
82 bitmap = xd->port_conf.rxmode.offloads & ~dev_info.rx_offload_capa;
85 dpdk_log_warn ("unsupported rx offloads requested on port %u: %U",
86 xd->port_id, format_dpdk_rx_offload_caps, bitmap);
87 xd->port_conf.rxmode.offloads ^= bitmap;
90 rv = rte_eth_dev_configure (xd->port_id, xd->rx_q_used,
91 xd->tx_q_used, &xd->port_conf);
95 dpdk_device_error (xd, "rte_eth_dev_configure", rv);
99 /* Set up one TX-queue per worker thread */
100 for (j = 0; j < xd->tx_q_used; j++)
103 rte_eth_tx_queue_setup (xd->port_id, j, xd->nb_tx_desc,
104 xd->cpu_socket, &xd->tx_conf);
106 /* retry with any other CPU socket */
109 rte_eth_tx_queue_setup (xd->port_id, j,
110 xd->nb_tx_desc, SOCKET_ID_ANY,
113 dpdk_device_error (xd, "rte_eth_tx_queue_setup", rv);
116 vec_validate_aligned (xd->buffer_pool_for_queue, xd->rx_q_used - 1,
117 CLIB_CACHE_LINE_BYTES);
118 for (j = 0; j < xd->rx_q_used; j++)
120 uword tidx = vnet_get_device_input_thread_index (dm->vnet_main,
122 unsigned lcore = vlib_worker_threads[tidx].cpu_id;
123 u16 socket_id = rte_lcore_to_socket_id (lcore);
124 u8 bpidx = vlib_buffer_pool_get_default_for_numa (vm, socket_id);
125 vlib_buffer_pool_t *bp = vlib_get_buffer_pool (vm, bpidx);
126 struct rte_mempool *mp = dpdk_mempool_by_buffer_pool_index[bpidx];
128 rv = rte_eth_rx_queue_setup (xd->port_id, j, xd->nb_rx_desc,
129 xd->cpu_socket, 0, mp);
131 /* retry with any other CPU socket */
133 rv = rte_eth_rx_queue_setup (xd->port_id, j, xd->nb_rx_desc,
134 SOCKET_ID_ANY, 0, mp);
136 xd->buffer_pool_for_queue[j] = bp->index;
139 dpdk_device_error (xd, "rte_eth_rx_queue_setup", rv);
142 if (vec_len (xd->errors))
145 rte_eth_dev_set_mtu (xd->port_id, hi->max_packet_bytes);
147 if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
148 dpdk_device_start (xd);
150 if (vec_len (xd->errors))
156 xd->flags |= DPDK_DEVICE_FLAG_PMD_INIT_FAIL;
157 sw->flags |= VNET_SW_INTERFACE_FLAG_ERROR;
161 dpdk_device_start (dpdk_device_t * xd)
165 if (xd->flags & DPDK_DEVICE_FLAG_PMD_INIT_FAIL)
168 rv = rte_eth_dev_start (xd->port_id);
172 dpdk_device_error (xd, "rte_eth_dev_start", rv);
176 if (xd->default_mac_address)
177 rv = rte_eth_dev_default_mac_addr_set (xd->port_id,
178 (void *) xd->default_mac_address);
181 dpdk_device_error (xd, "rte_eth_dev_default_mac_addr_set", rv);
183 if (xd->flags & DPDK_DEVICE_FLAG_PROMISC)
184 rte_eth_promiscuous_enable (xd->port_id);
186 rte_eth_promiscuous_disable (xd->port_id);
188 rte_eth_allmulticast_enable (xd->port_id);
190 dpdk_log_info ("Interface %U started",
191 format_dpdk_device_name, xd->port_id);
195 dpdk_device_stop (dpdk_device_t * xd)
197 if (xd->flags & DPDK_DEVICE_FLAG_PMD_INIT_FAIL)
200 rte_eth_allmulticast_disable (xd->port_id);
201 rte_eth_dev_stop (xd->port_id);
202 clib_memset (&xd->link, 0, sizeof (struct rte_eth_link));
204 dpdk_log_info ("Interface %U stopped",
205 format_dpdk_device_name, xd->port_id);
208 void vl_api_force_rpc_call_main_thread (void *fp, u8 * data, u32 data_length);
211 dpdk_port_state_callback_inline (dpdk_portid_t port_id,
212 enum rte_eth_event_type type, void *param)
214 struct rte_eth_link link;
216 RTE_SET_USED (param);
217 if (type != RTE_ETH_EVENT_INTR_LSC)
219 dpdk_log_info ("Unknown event %d received for port %d", type, port_id);
223 rte_eth_link_get_nowait (port_id, &link);
224 u8 link_up = link.link_status;
226 dpdk_log_info ("Port %d Link Up - speed %u Mbps - %s",
227 port_id, (unsigned) link.link_speed,
228 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
229 "full-duplex" : "half-duplex");
231 dpdk_log_info ("Port %d Link Down\n\n", port_id);
237 dpdk_port_state_callback (dpdk_portid_t port_id,
238 enum rte_eth_event_type type,
240 void *ret_param __attribute__ ((unused)))
242 return dpdk_port_state_callback_inline (port_id, type, param);
245 /* If this device is PCI return pointer to info, otherwise NULL */
246 struct rte_pci_device *
247 dpdk_get_pci_device (const struct rte_eth_dev_info *info)
249 const struct rte_bus *bus;
251 bus = rte_bus_find_by_device (info->device);
252 if (bus && !strcmp (bus->name, "pci"))
253 return RTE_DEV_TO_PCI (info->device);
259 * fd.io coding-style-patch-verification: ON
262 * eval: (c-set-style "gnu")