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net/dpaa2: update link status

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Signed-off-by: Hemant Agrawal <hemant.agrawal@nxp.com>
This commit is contained in:
Hemant Agrawal 2017-04-11 19:19:31 +05:30 committed by Ferruh Yigit
parent a5fc38d422
commit c56c86ff87
2 changed files with 108 additions and 0 deletions
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1
doc/guides/nics/features/dpaa2.ini
View File

@ -4,6 +4,7 @@
; Refer to default.ini for the full list of available PMD features.
;
[Features]
Link status = Y
Queue start/stop = Y
MTU update = Y
Promiscuous mode = Y

107
drivers/net/dpaa2/dpaa2_ethdev.c
View File

@ -54,6 +54,58 @@
static struct rte_dpaa2_driver rte_dpaa2_pmd;
/**
* Atomically reads the link status information from global
* structure rte_eth_dev.
*
* @param dev
* - Pointer to the structure rte_eth_dev to read from.
* - Pointer to the buffer to be saved with the link status.
*
* @return
* - On success, zero.
* - On failure, negative value.
*/
static inline int
dpaa2_dev_atomic_read_link_status(struct rte_eth_dev *dev,
struct rte_eth_link *link)
{
struct rte_eth_link *dst = link;
struct rte_eth_link *src = &dev->data->dev_link;
if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
*(uint64_t *)src) == 0)
return -1;
return 0;
}
/**
* Atomically writes the link status information into global
* structure rte_eth_dev.
*
* @param dev
* - Pointer to the structure rte_eth_dev to read from.
* - Pointer to the buffer to be saved with the link status.
*
* @return
* - On success, zero.
* - On failure, negative value.
*/
static inline int
dpaa2_dev_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 void
dpaa2_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
{
@ -430,6 +482,7 @@ dpaa2_dev_stop(struct rte_eth_dev *dev)
struct dpaa2_dev_priv *priv = dev->data->dev_private;
struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
int ret;
struct rte_eth_link link;
PMD_INIT_FUNC_TRACE();
@ -439,6 +492,10 @@ dpaa2_dev_stop(struct rte_eth_dev *dev)
ret, priv->hw_id);
return;
}
/* clear the recorded link status */
memset(&link, 0, sizeof(link));
dpaa2_dev_atomic_write_link_status(dev, &link);
}
static void
@ -531,6 +588,55 @@ dpaa2_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
return 0;
}
/* return 0 means link status changed, -1 means not changed */
static int
dpaa2_dev_link_update(struct rte_eth_dev *dev,
int wait_to_complete __rte_unused)
{
int ret;
struct dpaa2_dev_priv *priv = dev->data->dev_private;
struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
struct rte_eth_link link, old;
struct dpni_link_state state = {0};
PMD_INIT_FUNC_TRACE();
if (dpni == NULL) {
RTE_LOG(ERR, PMD, "error : dpni is NULL");
return 0;
}
memset(&old, 0, sizeof(old));
dpaa2_dev_atomic_read_link_status(dev, &old);
ret = dpni_get_link_state(dpni, CMD_PRI_LOW, priv->token, &state);
if (ret < 0) {
RTE_LOG(ERR, PMD, "error: dpni_get_link_state %d", ret);
return -1;
}
if ((old.link_status == state.up) && (old.link_speed == state.rate)) {
RTE_LOG(DEBUG, PMD, "No change in status\n");
return -1;
}
memset(&link, 0, sizeof(struct rte_eth_link));
link.link_status = state.up;
link.link_speed = state.rate;
if (state.options & DPNI_LINK_OPT_HALF_DUPLEX)
link.link_duplex = ETH_LINK_HALF_DUPLEX;
else
link.link_duplex = ETH_LINK_FULL_DUPLEX;
dpaa2_dev_atomic_write_link_status(dev, &link);
if (link.link_status)
PMD_DRV_LOG(INFO, "Port %d Link is Up\n", dev->data->port_id);
else
PMD_DRV_LOG(INFO, "Port %d Link is Down\n", dev->data->port_id);
return 0;
}
static struct eth_dev_ops dpaa2_ethdev_ops = {
.dev_configure = dpaa2_eth_dev_configure,
.dev_start = dpaa2_dev_start,
@ -538,6 +644,7 @@ static struct eth_dev_ops dpaa2_ethdev_ops = {
.dev_close = dpaa2_dev_close,
.promiscuous_enable = dpaa2_dev_promiscuous_enable,
.promiscuous_disable = dpaa2_dev_promiscuous_disable,
.link_update = dpaa2_dev_link_update,
.dev_infos_get = dpaa2_dev_info_get,
.dev_supported_ptypes_get = dpaa2_supported_ptypes_get,
.mtu_set = dpaa2_dev_mtu_set,