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net/octeontx2: support link status

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Adding a new callback for reading the link status. PF can read it's
link status and can forward the same to VF once it comes up.

Signed-off-by: Harman Kalra <hkalra@marvell.com>
Acked-by: Jerin Jacob <jerinj@marvell.com>
This commit is contained in:
Harman Kalra 2021-06-23 01:35:54 +05:30 committed by Jerin Jacob
parent cb8d769fb6
commit eebc26d994
3 changed files with 32 additions and 1 deletions
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8
drivers/net/octeontx2/otx2_ethdev.c
View File

@ -42,7 +42,8 @@ nix_get_tx_offload_capa(struct otx2_eth_dev *dev)
static const struct otx2_dev_ops otx2_dev_ops = {
.link_status_update = otx2_eth_dev_link_status_update,
.ptp_info_update = otx2_eth_dev_ptp_info_update
.ptp_info_update = otx2_eth_dev_ptp_info_update,
.link_status_get = otx2_eth_dev_link_status_get,
};
static int
@ -2635,6 +2636,11 @@ otx2_eth_dev_uninit(struct rte_eth_dev *eth_dev, bool mbox_close)
nix_cgx_stop_link_event(dev);
/* Unregister the dev ops, this is required to stop VFs from
* receiving link status updates on exit path.
*/
dev->ops = NULL;
/* Free up SQs */
for (i = 0; i < eth_dev->data->nb_tx_queues; i++) {
otx2_nix_tx_queue_release(eth_dev->data->tx_queues[i]);

2
drivers/net/octeontx2/otx2_ethdev.h
View File

@ -464,6 +464,8 @@ void otx2_nix_toggle_flag_link_cfg(struct otx2_eth_dev *dev, bool set);
int otx2_nix_link_update(struct rte_eth_dev *eth_dev, int wait_to_complete);
void otx2_eth_dev_link_status_update(struct otx2_dev *dev,
struct cgx_link_user_info *link);
void otx2_eth_dev_link_status_get(struct otx2_dev *dev,
struct cgx_link_user_info *link);
int otx2_nix_dev_set_link_up(struct rte_eth_dev *eth_dev);
int otx2_nix_dev_set_link_down(struct rte_eth_dev *eth_dev);
int otx2_apply_link_speed(struct rte_eth_dev *eth_dev);

23
drivers/net/octeontx2/otx2_link.c
View File

@ -47,6 +47,29 @@ nix_link_status_print(struct rte_eth_dev *eth_dev, struct rte_eth_link *link)
otx2_info("Port %d: Link Down", (int)(eth_dev->data->port_id));
}
void
otx2_eth_dev_link_status_get(struct otx2_dev *dev,
struct cgx_link_user_info *link)
{
struct otx2_eth_dev *otx2_dev = (struct otx2_eth_dev *)dev;
struct rte_eth_link eth_link;
struct rte_eth_dev *eth_dev;
if (!link || !dev)
return;
eth_dev = otx2_dev->eth_dev;
if (!eth_dev)
return;
rte_eth_linkstatus_get(eth_dev, &eth_link);
link->link_up = eth_link.link_status;
link->speed = eth_link.link_speed;
link->an = eth_link.link_autoneg;
link->full_duplex = eth_link.link_duplex;
}
void
otx2_eth_dev_link_status_update(struct otx2_dev *dev,
struct cgx_link_user_info *link)