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 xd->errors = clib_error_return (xd->errors, "%s[port:%d, errno:%d]: %s",
34 str, xd->device_index, rv,
39 dpdk_device_setup (dpdk_device_t * xd)
41 dpdk_main_t *dm = &dpdk_main;
42 vnet_main_t *vnm = vnet_get_main ();
43 vnet_sw_interface_t *sw = vnet_get_sw_interface (vnm, xd->vlib_sw_if_index);
47 ASSERT (vlib_get_thread_index () == 0);
49 clib_error_free (xd->errors);
50 sw->flags &= ~VNET_SW_INTERFACE_FLAG_ERROR;
52 if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
54 vnet_hw_interface_set_flags (dm->vnet_main, xd->hw_if_index, 0);
55 dpdk_device_stop (xd);
58 rv = rte_eth_dev_configure (xd->device_index, xd->rx_q_used,
59 xd->tx_q_used, &xd->port_conf);
63 dpdk_device_error (xd, "rte_eth_dev_configure", rv);
67 /* Set up one TX-queue per worker thread */
68 for (j = 0; j < xd->tx_q_used; j++)
70 rv = rte_eth_tx_queue_setup (xd->device_index, j, xd->nb_tx_desc,
71 xd->cpu_socket, &xd->tx_conf);
73 /* retry with any other CPU socket */
75 rv = rte_eth_tx_queue_setup (xd->device_index, j, xd->nb_tx_desc,
76 SOCKET_ID_ANY, &xd->tx_conf);
78 dpdk_device_error (xd, "rte_eth_tx_queue_setup", rv);
81 for (j = 0; j < xd->rx_q_used; j++)
83 uword tidx = vnet_get_device_input_thread_index (dm->vnet_main,
85 unsigned lcore = vlib_worker_threads[tidx].lcore_id;
86 u16 socket_id = rte_lcore_to_socket_id (lcore);
88 rv = rte_eth_rx_queue_setup (xd->device_index, j, xd->nb_rx_desc,
90 dm->pktmbuf_pools[socket_id]);
92 /* retry with any other CPU socket */
94 rv = rte_eth_rx_queue_setup (xd->device_index, j, xd->nb_rx_desc,
96 dm->pktmbuf_pools[socket_id]);
99 dpdk_device_error (xd, "rte_eth_rx_queue_setup", rv);
102 if (vec_len (xd->errors))
105 if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
106 dpdk_device_start (xd);
108 if (vec_len (xd->errors))
114 xd->flags |= DPDK_DEVICE_FLAG_PMD_INIT_FAIL;
115 sw->flags |= VNET_SW_INTERFACE_FLAG_ERROR;
119 dpdk_device_start (dpdk_device_t * xd)
123 if (xd->flags & DPDK_DEVICE_FLAG_PMD_INIT_FAIL)
126 rv = rte_eth_dev_start (xd->device_index);
130 dpdk_device_error (xd, "rte_eth_dev_start", rv);
134 if (xd->default_mac_address)
136 rte_eth_dev_default_mac_addr_set (xd->device_index,
137 (struct ether_addr *)
138 xd->default_mac_address);
141 dpdk_device_error (xd, "rte_eth_dev_default_mac_addr_set", rv);
143 if (xd->flags & DPDK_DEVICE_FLAG_PROMISC)
144 rte_eth_promiscuous_enable (xd->device_index);
146 rte_eth_promiscuous_disable (xd->device_index);
148 rte_eth_allmulticast_enable (xd->device_index);
150 if (xd->pmd == VNET_DPDK_PMD_BOND)
153 int nlink = rte_eth_bond_slaves_get (xd->device_index, slink, 16);
156 u8 dpdk_port = slink[--nlink];
157 rte_eth_allmulticast_enable (dpdk_port);
163 dpdk_device_stop (dpdk_device_t * xd)
165 if (xd->flags & DPDK_DEVICE_FLAG_PMD_INIT_FAIL)
168 rte_eth_allmulticast_disable (xd->device_index);
169 rte_eth_dev_stop (xd->device_index);
171 /* For bonded interface, stop slave links */
172 if (xd->pmd == VNET_DPDK_PMD_BOND)
175 int nlink = rte_eth_bond_slaves_get (xd->device_index, slink, 16);
178 u8 dpdk_port = slink[--nlink];
179 rte_eth_dev_stop (dpdk_port);
184 /* Even type for send_garp_na_process */
188 } dpdk_send_garp_na_process_event_t;
190 static vlib_node_registration_t send_garp_na_proc_node;
193 send_garp_na_process (vlib_main_t * vm,
194 vlib_node_runtime_t * rt, vlib_frame_t * f)
196 vnet_main_t *vnm = vnet_get_main ();
197 uword event_type, *event_data = 0;
203 vlib_process_wait_for_event (vm);
204 event_type = vlib_process_get_events (vm, &event_data);
205 ASSERT (event_type == SEND_GARP_NA);
206 for (i = 0; i < vec_len (event_data); i++)
208 dpdk_port = event_data[i];
209 if (i < 5) /* wait 0.2 sec for link to settle, max total 1 sec */
210 vlib_process_suspend (vm, 0.2);
211 dpdk_device_t *xd = &dpdk_main.devices[dpdk_port];
212 u32 hw_if_index = xd->hw_if_index;
213 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
214 dpdk_update_link_state (xd, vlib_time_now (vm));
215 send_ip4_garp (vm, hi);
216 send_ip6_na (vm, hi);
218 vec_reset_length (event_data);
224 VLIB_REGISTER_NODE (send_garp_na_proc_node, static) = {
225 .function = send_garp_na_process,
226 .type = VLIB_NODE_TYPE_PROCESS,
227 .name = "send-garp-na-process",
231 void vl_api_force_rpc_call_main_thread (void *fp, u8 * data, u32 data_length);
234 garp_na_proc_callback (uword * dpdk_port)
236 vlib_main_t *vm = vlib_get_main ();
237 ASSERT (vlib_get_thread_index () == 0);
238 vlib_process_signal_event
239 (vm, send_garp_na_proc_node.index, SEND_GARP_NA, *dpdk_port);
243 dpdk_port_state_callback_inline (uint8_t port_id,
244 enum rte_eth_event_type type, void *param)
246 struct rte_eth_link link;
247 dpdk_device_t *xd = &dpdk_main.devices[port_id];
249 RTE_SET_USED (param);
250 if (type != RTE_ETH_EVENT_INTR_LSC)
252 clib_warning ("Unknown event %d received for port %d", type, port_id);
256 rte_eth_link_get_nowait (port_id, &link);
257 u8 link_up = link.link_status;
259 if (xd->flags & DPDK_DEVICE_FLAG_BOND_SLAVE)
261 uword bd_port = xd->bond_port;
262 int bd_mode = rte_eth_bond_mode_get (bd_port);
264 clib_warning ("Port %d state to %s, "
265 "slave of port %d BondEthernet%d in mode %d",
266 port_id, (link_up) ? "UP" : "DOWN",
267 bd_port, xd->port_id, bd_mode);
269 if (bd_mode == BONDING_MODE_ACTIVE_BACKUP)
271 vl_api_force_rpc_call_main_thread
272 (garp_na_proc_callback, (u8 *) & bd_port, sizeof (uword));
274 xd->flags |= link_up ?
275 DPDK_DEVICE_FLAG_BOND_SLAVE_UP : ~DPDK_DEVICE_FLAG_BOND_SLAVE_UP;
277 else /* Should not happen as callback not setup for "normal" links */
280 clib_warning ("Port %d Link Up - speed %u Mbps - %s",
281 port_id, (unsigned) link.link_speed,
282 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
283 "full-duplex" : "half-duplex");
285 clib_warning ("Port %d Link Down\n\n", port_id);
291 #if DPDK_VOID_CALLBACK
293 dpdk_port_state_callback (uint8_t port_id,
294 enum rte_eth_event_type type, void *param)
296 dpdk_port_state_callback_inline (port_id, type, param);
301 dpdk_port_state_callback (uint8_t port_id,
302 enum rte_eth_event_type type,
304 void *ret_param __attribute__ ((unused)))
306 return dpdk_port_state_callback_inline (port_id, type, param);
310 * fd.io coding-style-patch-verification: ON
313 * eval: (c-set-style "gnu")