[dpdk-dev,v2,15/26] net/octeontx: add link update
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Commit Message
From: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Mark Link status in features.
Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Co-authored-by: Santosh Shukla <santosh.shukla@caviumnetworks.com>
Signed-off-by: Santosh Shukla <santosh.shukla@caviumnetworks.com>
---
doc/guides/nics/features/octeontx.ini | 1 +
drivers/net/octeontx/octeontx_ethdev.c | 100 +++++++++++++++++++++++++++++++++
2 files changed, 101 insertions(+)
@@ -5,6 +5,7 @@
;
[Features]
Speed capabilities = Y
+Link status = Y
Lock-free Tx queue = Y
Jumbo frame = Y
CRC offload = Y
@@ -53,6 +53,17 @@ struct octeontx_vdev_init_params {
uint8_t nr_port;
};
+enum octeontx_link_speed {
+ OCTEONTX_LINK_SPEED_SGMII,
+ OCTEONTX_LINK_SPEED_XAUI,
+ OCTEONTX_LINK_SPEED_RXAUI,
+ OCTEONTX_LINK_SPEED_10G_R,
+ OCTEONTX_LINK_SPEED_40G_R,
+ OCTEONTX_LINK_SPEED_RESERVE1,
+ OCTEONTX_LINK_SPEED_QSGMII,
+ OCTEONTX_LINK_SPEED_RESERVE2
+};
+
/* Parse integer from integer argument */
static int
parse_integer_arg(const char *key __rte_unused,
@@ -262,6 +273,94 @@ octeontx_dev_configure(struct rte_eth_dev *dev)
return 0;
}
+static inline int
+octeontx_atomic_write_link_status(struct rte_eth_dev *dev,
+ struct rte_eth_link *link)
+{
+ struct rte_eth_link *dst = &dev->data->dev_link;
+ struct rte_eth_link *src = link;
+
+ if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
+ *(uint64_t *)src) == 0)
+ return -1;
+
+ return 0;
+}
+
+static int
+octeontx_port_link_status(struct octeontx_nic *nic)
+{
+ int res;
+
+ PMD_INIT_FUNC_TRACE();
+ res = octeontx_bgx_port_link_status(nic->port_id);
+ if (res < 0) {
+ octeontx_log_err("failed to get port %d link status",
+ nic->port_id);
+ return res;
+ }
+
+ nic->link_up = (uint8_t)res;
+ octeontx_log_dbg("port %d link status %d", nic->port_id, nic->link_up);
+
+ return res;
+}
+
+/*
+ * Return 0 means link status changed, -1 means not changed
+ */
+static int
+octeontx_dev_link_update(struct rte_eth_dev *dev,
+ int wait_to_complete __rte_unused)
+{
+ struct octeontx_nic *nic = octeontx_pmd_priv(dev);
+ struct rte_eth_link link;
+ int res;
+
+ res = 0;
+ PMD_INIT_FUNC_TRACE();
+
+ res = octeontx_port_link_status(nic);
+ if (res < 0) {
+ octeontx_log_err("failed to request link status %d", res);
+ return res;
+ }
+
+ link.link_status = nic->link_up;
+
+ switch (nic->speed) {
+ case OCTEONTX_LINK_SPEED_SGMII:
+ link.link_speed = ETH_SPEED_NUM_1G;
+ break;
+
+ case OCTEONTX_LINK_SPEED_XAUI:
+ link.link_speed = ETH_SPEED_NUM_10G;
+ break;
+
+ case OCTEONTX_LINK_SPEED_RXAUI:
+ case OCTEONTX_LINK_SPEED_10G_R:
+ link.link_speed = ETH_SPEED_NUM_10G;
+ break;
+ case OCTEONTX_LINK_SPEED_QSGMII:
+ link.link_speed = ETH_SPEED_NUM_5G;
+ break;
+ case OCTEONTX_LINK_SPEED_40G_R:
+ link.link_speed = ETH_SPEED_NUM_40G;
+ break;
+
+ case OCTEONTX_LINK_SPEED_RESERVE1:
+ case OCTEONTX_LINK_SPEED_RESERVE2:
+ default:
+ octeontx_log_err("incorrect link speed %d", nic->speed);
+ break;
+ }
+
+ link.link_duplex = ETH_LINK_AUTONEG;
+ link.link_autoneg = ETH_LINK_SPEED_AUTONEG;
+
+ return octeontx_atomic_write_link_status(dev, &link);
+}
+
static void
octeontx_dev_info(struct rte_eth_dev *dev,
struct rte_eth_dev_info *dev_info)
@@ -302,6 +401,7 @@ octeontx_dev_info(struct rte_eth_dev *dev,
static const struct eth_dev_ops octeontx_dev_ops = {
.dev_configure = octeontx_dev_configure,
.dev_infos_get = octeontx_dev_info,
+ .link_update = octeontx_dev_link_update,
};
/* Create Ethdev interface per BGX LMAC ports */