[dpdk-dev] [PATCH v2] net/axgbe: add support for reading FW version
Ferruh Yigit
ferruh.yigit at intel.com
Mon Jan 4 13:21:39 CET 2021
On 12/29/2020 7:09 AM, selwin.sebastian at amd.com wrote:
> From: Selwin Sebastian <selwin.sebastian at amd.com>
>
> Added support for fw_version_get API
>
> Signed-off-by: Selwin Sebastian <selwin.sebastian at amd.com>
> ---
> doc/guides/nics/features/axgbe.ini | 1 +
> drivers/net/axgbe/axgbe_ethdev.c | 1 +
> drivers/net/axgbe/axgbe_rxtx.c | 25 +++++++++++++++++++++++++
> drivers/net/axgbe/axgbe_rxtx.h | 3 +++
> 4 files changed, 30 insertions(+)
>
> diff --git a/doc/guides/nics/features/axgbe.ini b/doc/guides/nics/features/axgbe.ini
> index 34df0d1ee..3adc5639f 100644
> --- a/doc/guides/nics/features/axgbe.ini
> +++ b/doc/guides/nics/features/axgbe.ini
> @@ -17,6 +17,7 @@ CRC offload = Y
> L3 checksum offload = Y
> L4 checksum offload = Y
> Basic stats = Y
> +FW version = Y
> Linux UIO = Y
> x86-32 = Y
> x86-64 = Y
> diff --git a/drivers/net/axgbe/axgbe_ethdev.c b/drivers/net/axgbe/axgbe_ethdev.c
> index cfe6aba73..1982c6a8e 100644
> --- a/drivers/net/axgbe/axgbe_ethdev.c
> +++ b/drivers/net/axgbe/axgbe_ethdev.c
> @@ -257,6 +257,7 @@ static const struct eth_dev_ops axgbe_eth_dev_ops = {
> .timesync_adjust_time = axgbe_timesync_adjust_time,
> .timesync_read_time = axgbe_timesync_read_time,
> .timesync_write_time = axgbe_timesync_write_time,
> + .fw_version_get = axgbe_dev_fw_version_get,
> };
>
> static int axgbe_phy_reset(struct axgbe_port *pdata)
> diff --git a/drivers/net/axgbe/axgbe_rxtx.c b/drivers/net/axgbe/axgbe_rxtx.c
> index 032e3cebc..3298a294e 100644
> --- a/drivers/net/axgbe/axgbe_rxtx.c
> +++ b/drivers/net/axgbe/axgbe_rxtx.c
> @@ -571,6 +571,31 @@ int axgbe_dev_tx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx,
> return 0;
> }
>
> +int axgbe_dev_fw_version_get(struct rte_eth_dev *eth_dev,
> + char *fw_version, size_t fw_size)
> +{
> + struct axgbe_port *pdata;
> + struct axgbe_hw_features *hw_feat;
> + int ret;
> +
> + pdata = (struct axgbe_port *)eth_dev->data->dev_private;
> + hw_feat = &pdata->hw_feat;
> +
> + if (fw_version == NULL || fw_size <= 0)
'size_t' can't be negative, no need to compare '< 0' case.
> + return -EINVAL;
> +
> + ret = snprintf(fw_version, fw_size, "%d.%d.%d",
> + AXGMAC_GET_BITS(hw_feat->version, MAC_VR, USERVER),
> + AXGMAC_GET_BITS(hw_feat->version, MAC_VR, DEVID),
> + AXGMAC_GET_BITS(hw_feat->version, MAC_VR, SNPSVER));
> + ret += 1; /* add the size of '\0' */
> +
'snprintf' can return error, which should be taken into account.
> + if (fw_size < (u32)ret)
instead of casting to 'u32', can cast to 'size_t' which is the type of the
'fw_size'.
> + return ret;
> + else
> + return 0;
> +}
> +
> static void axgbe_txq_prepare_tx_stop(struct axgbe_port *pdata,
> unsigned int queue)
> {
> diff --git a/drivers/net/axgbe/axgbe_rxtx.h b/drivers/net/axgbe/axgbe_rxtx.h
> index f2fbe9299..c2b11bb0e 100644
> --- a/drivers/net/axgbe/axgbe_rxtx.h
> +++ b/drivers/net/axgbe/axgbe_rxtx.h
> @@ -162,6 +162,9 @@ void axgbe_dev_disable_tx(struct rte_eth_dev *dev);
> int axgbe_dev_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id);
> int axgbe_dev_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id);
>
> +int axgbe_dev_fw_version_get(struct rte_eth_dev *eth_dev,
> + char *fw_version, size_t fw_size);
> +
> uint16_t axgbe_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
> uint16_t nb_pkts);
> uint16_t axgbe_xmit_pkts_vec(void *tx_queue, struct rte_mbuf **tx_pkts,
>
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