1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(C) 2019 Marvell International Ltd.
5 #include <rte_common.h>
6 #include <rte_ethdev_pci.h>
8 #include "otx2_ethdev.h"
11 otx2_nix_toggle_flag_link_cfg(struct otx2_eth_dev *dev, bool set)
14 dev->flags |= OTX2_LINK_CFG_IN_PROGRESS_F;
16 dev->flags &= ~OTX2_LINK_CFG_IN_PROGRESS_F;
22 nix_wait_for_link_cfg(struct otx2_eth_dev *dev)
28 if (!(dev->flags & OTX2_LINK_CFG_IN_PROGRESS_F))
38 nix_link_status_print(struct rte_eth_dev *eth_dev, struct rte_eth_link *link)
40 if (link && link->link_status)
41 otx2_info("Port %d: Link Up - speed %u Mbps - %s",
42 (int)(eth_dev->data->port_id),
43 (uint32_t)link->link_speed,
44 link->link_duplex == ETH_LINK_FULL_DUPLEX ?
45 "full-duplex" : "half-duplex");
47 otx2_info("Port %d: Link Down", (int)(eth_dev->data->port_id));
51 otx2_eth_dev_link_status_update(struct otx2_dev *dev,
52 struct cgx_link_user_info *link)
54 struct otx2_eth_dev *otx2_dev = (struct otx2_eth_dev *)dev;
55 struct rte_eth_link eth_link;
56 struct rte_eth_dev *eth_dev;
61 eth_dev = otx2_dev->eth_dev;
62 if (!eth_dev || !eth_dev->data->dev_conf.intr_conf.lsc)
65 if (nix_wait_for_link_cfg(otx2_dev)) {
66 otx2_err("Timeout waiting for link_cfg to complete");
70 eth_link.link_status = link->link_up;
71 eth_link.link_speed = link->speed;
72 eth_link.link_autoneg = ETH_LINK_AUTONEG;
73 eth_link.link_duplex = link->full_duplex;
75 otx2_dev->speed = link->speed;
76 otx2_dev->duplex = link->full_duplex;
79 nix_link_status_print(eth_dev, ð_link);
81 /* Update link info */
82 rte_eth_linkstatus_set(eth_dev, ð_link);
84 /* Set the flag and execute application callbacks */
85 rte_eth_dev_callback_process(eth_dev, RTE_ETH_EVENT_INTR_LSC, NULL);
89 lbk_link_update(struct rte_eth_link *link)
91 link->link_status = ETH_LINK_UP;
92 link->link_speed = ETH_SPEED_NUM_100G;
93 link->link_autoneg = ETH_LINK_FIXED;
94 link->link_duplex = ETH_LINK_FULL_DUPLEX;
99 cgx_link_update(struct otx2_eth_dev *dev, struct rte_eth_link *link)
101 struct otx2_mbox *mbox = dev->mbox;
102 struct cgx_link_info_msg *rsp;
104 otx2_mbox_alloc_msg_cgx_get_linkinfo(mbox);
105 rc = otx2_mbox_process_msg(mbox, (void *)&rsp);
109 link->link_status = rsp->link_info.link_up;
110 link->link_speed = rsp->link_info.speed;
111 link->link_autoneg = ETH_LINK_AUTONEG;
113 if (rsp->link_info.full_duplex)
114 link->link_duplex = rsp->link_info.full_duplex;
119 otx2_nix_link_update(struct rte_eth_dev *eth_dev, int wait_to_complete)
121 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
122 struct rte_eth_link link;
125 RTE_SET_USED(wait_to_complete);
126 memset(&link, 0, sizeof(struct rte_eth_link));
128 if (otx2_dev_is_sdp(dev))
131 if (otx2_dev_is_lbk(dev))
132 rc = lbk_link_update(&link);
134 rc = cgx_link_update(dev, &link);
139 return rte_eth_linkstatus_set(eth_dev, &link);
143 nix_dev_set_link_state(struct rte_eth_dev *eth_dev, uint8_t enable)
145 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
146 struct otx2_mbox *mbox = dev->mbox;
147 struct cgx_set_link_state_msg *req;
149 req = otx2_mbox_alloc_msg_cgx_set_link_state(mbox);
150 req->enable = enable;
151 return otx2_mbox_process(mbox);
155 otx2_nix_dev_set_link_up(struct rte_eth_dev *eth_dev)
157 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
160 if (otx2_dev_is_vf_or_sdp(dev))
163 rc = nix_dev_set_link_state(eth_dev, 1);
167 /* Start tx queues */
168 for (i = 0; i < eth_dev->data->nb_tx_queues; i++)
169 otx2_nix_tx_queue_start(eth_dev, i);
176 otx2_nix_dev_set_link_down(struct rte_eth_dev *eth_dev)
178 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
181 if (otx2_dev_is_vf_or_sdp(dev))
185 for (i = 0; i < eth_dev->data->nb_tx_queues; i++)
186 otx2_nix_tx_queue_stop(eth_dev, i);
188 return nix_dev_set_link_state(eth_dev, 0);
192 cgx_change_mode(struct otx2_eth_dev *dev, struct cgx_set_link_mode_args *cfg)
194 struct otx2_mbox *mbox = dev->mbox;
195 struct cgx_set_link_mode_req *req;
197 req = otx2_mbox_alloc_msg_cgx_set_link_mode(mbox);
198 req->args.speed = cfg->speed;
199 req->args.duplex = cfg->duplex;
200 req->args.an = cfg->an;
202 return otx2_mbox_process(mbox);
206 static inline uint32_t
207 nix_parse_link_speeds(struct otx2_eth_dev *dev, uint32_t link_speeds)
209 uint32_t link_speed = SPEED_NONE;
211 /* 50G and 100G to be supported for board version C0 and above */
212 if (!otx2_dev_is_Ax(dev)) {
213 if (link_speeds & ETH_LINK_SPEED_100G)
215 if (link_speeds & ETH_LINK_SPEED_50G)
218 if (link_speeds & ETH_LINK_SPEED_40G)
220 if (link_speeds & ETH_LINK_SPEED_25G)
222 if (link_speeds & ETH_LINK_SPEED_20G)
224 if (link_speeds & ETH_LINK_SPEED_10G)
226 if (link_speeds & ETH_LINK_SPEED_5G)
228 if (link_speeds & ETH_LINK_SPEED_1G)
234 static inline uint8_t
235 nix_parse_eth_link_duplex(uint32_t link_speeds)
237 if ((link_speeds & ETH_LINK_SPEED_10M_HD) ||
238 (link_speeds & ETH_LINK_SPEED_100M_HD))
239 return ETH_LINK_HALF_DUPLEX;
241 return ETH_LINK_FULL_DUPLEX;
245 otx2_apply_link_speed(struct rte_eth_dev *eth_dev)
247 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
248 struct rte_eth_conf *conf = ð_dev->data->dev_conf;
249 struct cgx_set_link_mode_args cfg;
251 /* If VF/SDP/LBK, link attributes cannot be changed */
252 if (otx2_dev_is_vf_or_sdp(dev) || otx2_dev_is_lbk(dev))
255 memset(&cfg, 0, sizeof(struct cgx_set_link_mode_args));
256 cfg.speed = nix_parse_link_speeds(dev, conf->link_speeds);
257 if (cfg.speed != SPEED_NONE && cfg.speed != dev->speed) {
258 cfg.duplex = nix_parse_eth_link_duplex(conf->link_speeds);
259 cfg.an = (conf->link_speeds & ETH_LINK_SPEED_FIXED) == 0;
261 return cgx_change_mode(dev, &cfg);