2 * Copyright (c) 2016 Solarflare Communications Inc.
5 * This software was jointly developed between OKTET Labs (under contract
6 * for Solarflare) and Solarflare Communications, Inc.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions are met:
11 * 1. Redistributions of source code must retain the above copyright notice,
12 * this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright notice,
14 * this list of conditions and the following disclaimer in the documentation
15 * and/or other materials provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
18 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
19 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
20 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
21 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
22 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
23 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
24 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
25 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
26 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
27 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36 * Update MAC statistics in the buffer.
42 * @retval EAGAIN Try again
43 * @retval ENOMEM Memory allocation failure
46 sfc_port_update_mac_stats(struct sfc_adapter *sa)
48 struct sfc_port *port = &sa->port;
51 SFC_ASSERT(rte_spinlock_is_locked(&port->mac_stats_lock));
53 if (sa->state != SFC_ADAPTER_STARTED)
56 rc = efx_mac_stats_update(sa->nic, &port->mac_stats_dma_mem,
57 port->mac_stats_buf, NULL);
65 sfc_port_init_dev_link(struct sfc_adapter *sa)
67 struct rte_eth_link *dev_link = &sa->eth_dev->data->dev_link;
69 efx_link_mode_t link_mode;
70 struct rte_eth_link current_link;
72 rc = efx_port_poll(sa->nic, &link_mode);
76 sfc_port_link_mode_to_info(link_mode, ¤t_link);
78 EFX_STATIC_ASSERT(sizeof(*dev_link) == sizeof(rte_atomic64_t));
79 rte_atomic64_set((rte_atomic64_t *)dev_link,
80 *(uint64_t *)¤t_link);
86 sfc_port_start(struct sfc_adapter *sa)
88 struct sfc_port *port = &sa->port;
91 sfc_log_init(sa, "entry");
93 sfc_log_init(sa, "init filters");
94 rc = efx_filter_init(sa->nic);
96 goto fail_filter_init;
98 sfc_log_init(sa, "init port");
99 rc = efx_port_init(sa->nic);
103 sfc_log_init(sa, "set flow control to %#x autoneg=%u",
104 port->flow_ctrl, port->flow_ctrl_autoneg);
105 rc = efx_mac_fcntl_set(sa->nic, port->flow_ctrl,
106 port->flow_ctrl_autoneg);
108 goto fail_mac_fcntl_set;
110 sfc_log_init(sa, "set phy adv caps to %#x", port->phy_adv_cap);
111 rc = efx_phy_adv_cap_set(sa->nic, port->phy_adv_cap);
113 goto fail_phy_adv_cap_set;
115 sfc_log_init(sa, "set MAC PDU %u", (unsigned int)port->pdu);
116 rc = efx_mac_pdu_set(sa->nic, port->pdu);
118 goto fail_mac_pdu_set;
120 sfc_log_init(sa, "set MAC address");
121 rc = efx_mac_addr_set(sa->nic,
122 sa->eth_dev->data->mac_addrs[0].addr_bytes);
124 goto fail_mac_addr_set;
126 sfc_log_init(sa, "set MAC filters");
127 port->promisc = (sa->eth_dev->data->promiscuous != 0) ?
129 port->allmulti = (sa->eth_dev->data->all_multicast != 0) ?
131 rc = sfc_set_rx_mode(sa);
133 goto fail_mac_filter_set;
135 efx_mac_stats_get_mask(sa->nic, port->mac_stats_mask,
136 sizeof(port->mac_stats_mask));
138 /* Update MAC stats using periodic DMA.
139 * Common code always uses 1000ms update period, so period_ms
140 * parameter only needs to be non-zero to start updates.
142 sfc_log_init(sa, "request MAC stats DMA'ing");
143 rc = efx_mac_stats_periodic(sa->nic, &port->mac_stats_dma_mem,
146 goto fail_mac_stats_periodic;
148 sfc_log_init(sa, "disable MAC drain");
149 rc = efx_mac_drain(sa->nic, B_FALSE);
153 /* Synchronize link status knowledge */
154 rc = sfc_port_init_dev_link(sa);
156 goto fail_port_init_dev_link;
158 sfc_log_init(sa, "done");
161 fail_port_init_dev_link:
162 (void)efx_mac_drain(sa->nic, B_TRUE);
165 (void)efx_mac_stats_periodic(sa->nic, &port->mac_stats_dma_mem,
168 fail_mac_stats_periodic:
172 fail_phy_adv_cap_set:
174 efx_port_fini(sa->nic);
177 efx_filter_fini(sa->nic);
180 sfc_log_init(sa, "failed %d", rc);
185 sfc_port_stop(struct sfc_adapter *sa)
187 sfc_log_init(sa, "entry");
189 efx_mac_drain(sa->nic, B_TRUE);
191 (void)efx_mac_stats_periodic(sa->nic, &sa->port.mac_stats_dma_mem,
194 efx_port_fini(sa->nic);
195 efx_filter_fini(sa->nic);
197 sfc_log_init(sa, "done");
201 sfc_port_init(struct sfc_adapter *sa)
203 const struct rte_eth_dev_data *dev_data = sa->eth_dev->data;
204 struct sfc_port *port = &sa->port;
207 sfc_log_init(sa, "entry");
209 /* Enable flow control by default */
210 port->flow_ctrl = EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE;
211 port->flow_ctrl_autoneg = B_TRUE;
213 if (dev_data->dev_conf.rxmode.jumbo_frame)
214 port->pdu = dev_data->dev_conf.rxmode.max_rx_pkt_len;
216 port->pdu = EFX_MAC_PDU(dev_data->mtu);
218 rte_spinlock_init(&port->mac_stats_lock);
221 port->mac_stats_buf = rte_calloc_socket("mac_stats_buf", EFX_MAC_NSTATS,
224 if (port->mac_stats_buf == NULL)
225 goto fail_mac_stats_buf_alloc;
227 rc = sfc_dma_alloc(sa, "mac_stats", 0, EFX_MAC_STATS_SIZE,
228 sa->socket_id, &port->mac_stats_dma_mem);
230 goto fail_mac_stats_dma_alloc;
232 sfc_log_init(sa, "done");
235 fail_mac_stats_dma_alloc:
236 rte_free(port->mac_stats_buf);
237 fail_mac_stats_buf_alloc:
238 sfc_log_init(sa, "failed %d", rc);
243 sfc_port_fini(struct sfc_adapter *sa)
245 struct sfc_port *port = &sa->port;
247 sfc_log_init(sa, "entry");
249 sfc_dma_free(sa, &port->mac_stats_dma_mem);
250 rte_free(port->mac_stats_buf);
252 sfc_log_init(sa, "done");
256 sfc_set_rx_mode(struct sfc_adapter *sa)
258 struct sfc_port *port = &sa->port;
261 rc = efx_mac_filter_set(sa->nic, port->promisc, B_TRUE,
262 port->promisc || port->allmulti, B_TRUE);
268 sfc_port_link_mode_to_info(efx_link_mode_t link_mode,
269 struct rte_eth_link *link_info)
271 SFC_ASSERT(link_mode < EFX_LINK_NMODES);
273 memset(link_info, 0, sizeof(*link_info));
274 if ((link_mode == EFX_LINK_DOWN) || (link_mode == EFX_LINK_UNKNOWN))
275 link_info->link_status = ETH_LINK_DOWN;
277 link_info->link_status = ETH_LINK_UP;
281 link_info->link_speed = ETH_SPEED_NUM_10M;
282 link_info->link_duplex = ETH_LINK_HALF_DUPLEX;
285 link_info->link_speed = ETH_SPEED_NUM_10M;
286 link_info->link_duplex = ETH_LINK_FULL_DUPLEX;
288 case EFX_LINK_100HDX:
289 link_info->link_speed = ETH_SPEED_NUM_100M;
290 link_info->link_duplex = ETH_LINK_HALF_DUPLEX;
292 case EFX_LINK_100FDX:
293 link_info->link_speed = ETH_SPEED_NUM_100M;
294 link_info->link_duplex = ETH_LINK_FULL_DUPLEX;
296 case EFX_LINK_1000HDX:
297 link_info->link_speed = ETH_SPEED_NUM_1G;
298 link_info->link_duplex = ETH_LINK_HALF_DUPLEX;
300 case EFX_LINK_1000FDX:
301 link_info->link_speed = ETH_SPEED_NUM_1G;
302 link_info->link_duplex = ETH_LINK_FULL_DUPLEX;
304 case EFX_LINK_10000FDX:
305 link_info->link_speed = ETH_SPEED_NUM_10G;
306 link_info->link_duplex = ETH_LINK_FULL_DUPLEX;
308 case EFX_LINK_40000FDX:
309 link_info->link_speed = ETH_SPEED_NUM_40G;
310 link_info->link_duplex = ETH_LINK_FULL_DUPLEX;
315 case EFX_LINK_UNKNOWN:
317 link_info->link_speed = ETH_SPEED_NUM_NONE;
318 link_info->link_duplex = 0;
322 link_info->link_autoneg = ETH_LINK_AUTONEG;