[dpdk-dev] [PATCH 2/2] net/octeontx2: callback for getting link status
Harman Kalra
hkalra at marvell.com
Tue Jun 22 22:05:54 CEST 2021
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 at marvell.com>
---
drivers/net/octeontx2/otx2_ethdev.c | 8 +++++++-
drivers/net/octeontx2/otx2_ethdev.h | 2 ++
drivers/net/octeontx2/otx2_link.c | 23 +++++++++++++++++++++++
3 files changed, 32 insertions(+), 1 deletion(-)
diff --git a/drivers/net/octeontx2/otx2_ethdev.c b/drivers/net/octeontx2/otx2_ethdev.c
index 0834de0cb1..471fa34da1 100644
--- a/drivers/net/octeontx2/otx2_ethdev.c
+++ b/drivers/net/octeontx2/otx2_ethdev.c
@@ -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
@@ -2625,6 +2626,11 @@ 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]);
diff --git a/drivers/net/octeontx2/otx2_ethdev.h b/drivers/net/octeontx2/otx2_ethdev.h
index ac50da7b18..08f9a2a7bc 100644
--- a/drivers/net/octeontx2/otx2_ethdev.h
+++ b/drivers/net/octeontx2/otx2_ethdev.h
@@ -453,6 +453,8 @@ 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);
diff --git a/drivers/net/octeontx2/otx2_link.c b/drivers/net/octeontx2/otx2_link.c
index a79b997376..5378e5c3b9 100644
--- a/drivers/net/octeontx2/otx2_link.c
+++ b/drivers/net/octeontx2/otx2_link.c
@@ -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, ð_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)
--
2.18.0
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