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/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 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 dpdk_mempool_private_t *privp;
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);
126 rte_eth_rx_queue_setup (xd->port_id, j, xd->nb_rx_desc,
128 dm->pktmbuf_pools[socket_id]);
130 /* retry with any other CPU socket */
133 rte_eth_rx_queue_setup (xd->port_id, j,
134 xd->nb_rx_desc, SOCKET_ID_ANY, 0,
135 dm->pktmbuf_pools[socket_id]);
137 privp = rte_mempool_get_priv (dm->pktmbuf_pools[socket_id]);
138 xd->buffer_pool_for_queue[j] = privp->buffer_pool_index;
141 dpdk_device_error (xd, "rte_eth_rx_queue_setup", rv);
144 if (vec_len (xd->errors))
147 rte_eth_dev_set_mtu (xd->port_id, hi->max_packet_bytes);
149 if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
150 dpdk_device_start (xd);
152 if (vec_len (xd->errors))
158 xd->flags |= DPDK_DEVICE_FLAG_PMD_INIT_FAIL;
159 sw->flags |= VNET_SW_INTERFACE_FLAG_ERROR;
163 dpdk_device_start (dpdk_device_t * xd)
167 if (xd->flags & DPDK_DEVICE_FLAG_PMD_INIT_FAIL)
170 rv = rte_eth_dev_start (xd->port_id);
174 dpdk_device_error (xd, "rte_eth_dev_start", rv);
178 if (xd->default_mac_address)
180 rte_eth_dev_default_mac_addr_set (xd->port_id,
181 (struct ether_addr *)
182 xd->default_mac_address);
185 dpdk_device_error (xd, "rte_eth_dev_default_mac_addr_set", rv);
187 if (xd->flags & DPDK_DEVICE_FLAG_PROMISC)
188 rte_eth_promiscuous_enable (xd->port_id);
190 rte_eth_promiscuous_disable (xd->port_id);
192 rte_eth_allmulticast_enable (xd->port_id);
194 if (xd->pmd == VNET_DPDK_PMD_BOND)
196 dpdk_portid_t slink[16];
197 int nlink = rte_eth_bond_slaves_get (xd->port_id, slink, 16);
200 dpdk_portid_t dpdk_port = slink[--nlink];
201 rte_eth_allmulticast_enable (dpdk_port);
205 dpdk_log_info ("Interface %U started",
206 format_dpdk_device_name, xd->port_id);
210 dpdk_device_stop (dpdk_device_t * xd)
212 if (xd->flags & DPDK_DEVICE_FLAG_PMD_INIT_FAIL)
215 rte_eth_allmulticast_disable (xd->port_id);
216 rte_eth_dev_stop (xd->port_id);
217 clib_memset (&xd->link, 0, sizeof (struct rte_eth_link));
219 /* For bonded interface, stop slave links */
220 if (xd->pmd == VNET_DPDK_PMD_BOND)
222 dpdk_portid_t slink[16];
223 int nlink = rte_eth_bond_slaves_get (xd->port_id, slink, 16);
226 dpdk_portid_t dpdk_port = slink[--nlink];
227 rte_eth_dev_stop (dpdk_port);
230 dpdk_log_info ("Interface %U stopped",
231 format_dpdk_device_name, xd->port_id);
234 /* Even type for send_garp_na_process */
238 } dpdk_send_garp_na_process_event_t;
240 static vlib_node_registration_t send_garp_na_proc_node;
243 send_garp_na_process (vlib_main_t * vm,
244 vlib_node_runtime_t * rt, vlib_frame_t * f)
246 uword event_type, *event_data = 0;
252 vlib_process_wait_for_event (vm);
253 event_type = vlib_process_get_events (vm, &event_data);
254 ASSERT (event_type == SEND_GARP_NA);
255 for (i = 0; i < vec_len (event_data); i++)
257 dpdk_port = event_data[i];
258 if (i < 5) /* wait 0.2 sec for link to settle, max total 1 sec */
259 vlib_process_suspend (vm, 0.2);
260 dpdk_device_t *xd = &dpdk_main.devices[dpdk_port];
261 dpdk_update_link_state (xd, vlib_time_now (vm));
262 send_ip4_garp (vm, xd->sw_if_index);
263 send_ip6_na (vm, xd->sw_if_index);
265 vec_reset_length (event_data);
271 VLIB_REGISTER_NODE (send_garp_na_proc_node, static) = {
272 .function = send_garp_na_process,
273 .type = VLIB_NODE_TYPE_PROCESS,
274 .name = "send-garp-na-process",
278 void vl_api_force_rpc_call_main_thread (void *fp, u8 * data, u32 data_length);
281 garp_na_proc_callback (uword * dpdk_port)
283 vlib_main_t *vm = vlib_get_main ();
284 ASSERT (vlib_get_thread_index () == 0);
285 vlib_process_signal_event
286 (vm, send_garp_na_proc_node.index, SEND_GARP_NA, *dpdk_port);
290 dpdk_port_state_callback_inline (dpdk_portid_t port_id,
291 enum rte_eth_event_type type, void *param)
293 struct rte_eth_link link;
294 dpdk_device_t *xd = &dpdk_main.devices[port_id];
296 RTE_SET_USED (param);
297 if (type != RTE_ETH_EVENT_INTR_LSC)
299 dpdk_log_info ("Unknown event %d received for port %d", type, port_id);
303 rte_eth_link_get_nowait (port_id, &link);
304 u8 link_up = link.link_status;
306 if (xd->flags & DPDK_DEVICE_FLAG_BOND_SLAVE)
308 uword bd_port = xd->bond_port;
309 int bd_mode = rte_eth_bond_mode_get (bd_port);
310 dpdk_log_info ("Port %d state to %s, "
311 "slave of port %d BondEthernet%d in mode %d",
312 port_id, (link_up) ? "UP" : "DOWN",
313 bd_port, xd->bond_instance_num, bd_mode);
314 if (bd_mode == BONDING_MODE_ACTIVE_BACKUP)
316 vl_api_force_rpc_call_main_thread
317 (garp_na_proc_callback, (u8 *) & bd_port, sizeof (uword));
321 xd->flags |= DPDK_DEVICE_FLAG_BOND_SLAVE_UP;
323 xd->flags &= ~DPDK_DEVICE_FLAG_BOND_SLAVE_UP;
325 else /* Should not happen as callback not setup for "normal" links */
328 dpdk_log_info ("Port %d Link Up - speed %u Mbps - %s",
329 port_id, (unsigned) link.link_speed,
330 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
331 "full-duplex" : "half-duplex");
333 dpdk_log_info ("Port %d Link Down\n\n", port_id);
340 dpdk_port_state_callback (dpdk_portid_t port_id,
341 enum rte_eth_event_type type,
343 void *ret_param __attribute__ ((unused)))
345 return dpdk_port_state_callback_inline (port_id, type, param);
348 /* If this device is PCI return pointer to info, otherwise NULL */
349 struct rte_pci_device *
350 dpdk_get_pci_device (const struct rte_eth_dev_info *info)
352 const struct rte_bus *bus;
354 bus = rte_bus_find_by_device (info->device);
355 if (bus && !strcmp (bus->name, "pci"))
356 return RTE_DEV_TO_PCI (info->device);
362 * fd.io coding-style-patch-verification: ON
365 * eval: (c-set-style "gnu")