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_start(struct sfc_adapter *sa)
67 struct sfc_port *port = &sa->port;
70 sfc_log_init(sa, "entry");
72 sfc_log_init(sa, "init filters");
73 rc = efx_filter_init(sa->nic);
75 goto fail_filter_init;
77 sfc_log_init(sa, "init port");
78 rc = efx_port_init(sa->nic);
82 sfc_log_init(sa, "set flow control to %#x autoneg=%u",
83 port->flow_ctrl, port->flow_ctrl_autoneg);
84 rc = efx_mac_fcntl_set(sa->nic, port->flow_ctrl,
85 port->flow_ctrl_autoneg);
87 goto fail_mac_fcntl_set;
89 sfc_log_init(sa, "set MAC PDU %u", (unsigned int)port->pdu);
90 rc = efx_mac_pdu_set(sa->nic, port->pdu);
92 goto fail_mac_pdu_set;
94 sfc_log_init(sa, "set MAC address");
95 rc = efx_mac_addr_set(sa->nic,
96 sa->eth_dev->data->mac_addrs[0].addr_bytes);
98 goto fail_mac_addr_set;
100 sfc_log_init(sa, "set MAC filters");
101 rc = efx_mac_filter_set(sa->nic, B_TRUE, B_TRUE, B_TRUE, B_TRUE);
103 goto fail_mac_filter_set;
105 efx_mac_stats_get_mask(sa->nic, port->mac_stats_mask,
106 sizeof(port->mac_stats_mask));
108 /* Update MAC stats using periodic DMA.
109 * Common code always uses 1000ms update period, so period_ms
110 * parameter only needs to be non-zero to start updates.
112 sfc_log_init(sa, "request MAC stats DMA'ing");
113 rc = efx_mac_stats_periodic(sa->nic, &port->mac_stats_dma_mem,
116 goto fail_mac_stats_periodic;
118 sfc_log_init(sa, "disable MAC drain");
119 rc = efx_mac_drain(sa->nic, B_FALSE);
123 sfc_log_init(sa, "done");
127 (void)efx_mac_stats_periodic(sa->nic, &port->mac_stats_dma_mem,
130 fail_mac_stats_periodic:
135 efx_port_fini(sa->nic);
138 efx_filter_fini(sa->nic);
141 sfc_log_init(sa, "failed %d", rc);
146 sfc_port_stop(struct sfc_adapter *sa)
148 sfc_log_init(sa, "entry");
150 efx_mac_drain(sa->nic, B_TRUE);
152 (void)efx_mac_stats_periodic(sa->nic, &sa->port.mac_stats_dma_mem,
155 efx_port_fini(sa->nic);
156 efx_filter_fini(sa->nic);
158 sfc_log_init(sa, "done");
162 sfc_port_init(struct sfc_adapter *sa)
164 const struct rte_eth_dev_data *dev_data = sa->eth_dev->data;
165 struct sfc_port *port = &sa->port;
168 sfc_log_init(sa, "entry");
170 /* Enable flow control by default */
171 port->flow_ctrl = EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE;
172 port->flow_ctrl_autoneg = B_TRUE;
174 if (dev_data->dev_conf.rxmode.jumbo_frame)
175 port->pdu = dev_data->dev_conf.rxmode.max_rx_pkt_len;
177 port->pdu = EFX_MAC_PDU(dev_data->mtu);
179 rte_spinlock_init(&port->mac_stats_lock);
182 port->mac_stats_buf = rte_calloc_socket("mac_stats_buf", EFX_MAC_NSTATS,
185 if (port->mac_stats_buf == NULL)
186 goto fail_mac_stats_buf_alloc;
188 rc = sfc_dma_alloc(sa, "mac_stats", 0, EFX_MAC_STATS_SIZE,
189 sa->socket_id, &port->mac_stats_dma_mem);
191 goto fail_mac_stats_dma_alloc;
193 sfc_log_init(sa, "done");
196 fail_mac_stats_dma_alloc:
197 rte_free(port->mac_stats_buf);
198 fail_mac_stats_buf_alloc:
199 sfc_log_init(sa, "failed %d", rc);
204 sfc_port_fini(struct sfc_adapter *sa)
206 struct sfc_port *port = &sa->port;
208 sfc_log_init(sa, "entry");
210 sfc_dma_free(sa, &port->mac_stats_dma_mem);
211 rte_free(port->mac_stats_buf);
213 sfc_log_init(sa, "done");
217 sfc_port_link_mode_to_info(efx_link_mode_t link_mode,
218 struct rte_eth_link *link_info)
220 SFC_ASSERT(link_mode < EFX_LINK_NMODES);
222 memset(link_info, 0, sizeof(*link_info));
223 if ((link_mode == EFX_LINK_DOWN) || (link_mode == EFX_LINK_UNKNOWN))
224 link_info->link_status = ETH_LINK_DOWN;
226 link_info->link_status = ETH_LINK_UP;
230 link_info->link_speed = ETH_SPEED_NUM_10M;
231 link_info->link_duplex = ETH_LINK_HALF_DUPLEX;
234 link_info->link_speed = ETH_SPEED_NUM_10M;
235 link_info->link_duplex = ETH_LINK_FULL_DUPLEX;
237 case EFX_LINK_100HDX:
238 link_info->link_speed = ETH_SPEED_NUM_100M;
239 link_info->link_duplex = ETH_LINK_HALF_DUPLEX;
241 case EFX_LINK_100FDX:
242 link_info->link_speed = ETH_SPEED_NUM_100M;
243 link_info->link_duplex = ETH_LINK_FULL_DUPLEX;
245 case EFX_LINK_1000HDX:
246 link_info->link_speed = ETH_SPEED_NUM_1G;
247 link_info->link_duplex = ETH_LINK_HALF_DUPLEX;
249 case EFX_LINK_1000FDX:
250 link_info->link_speed = ETH_SPEED_NUM_1G;
251 link_info->link_duplex = ETH_LINK_FULL_DUPLEX;
253 case EFX_LINK_10000FDX:
254 link_info->link_speed = ETH_SPEED_NUM_10G;
255 link_info->link_duplex = ETH_LINK_FULL_DUPLEX;
257 case EFX_LINK_40000FDX:
258 link_info->link_speed = ETH_SPEED_NUM_40G;
259 link_info->link_duplex = ETH_LINK_FULL_DUPLEX;
264 case EFX_LINK_UNKNOWN:
266 link_info->link_speed = ETH_SPEED_NUM_NONE;
267 link_info->link_duplex = 0;
271 link_info->link_autoneg = ETH_LINK_AUTONEG;