[dpdk-dev] [PATCH v1] net/axgbe: add support for reading FW version
Ferruh Yigit
ferruh.yigit at intel.com
Wed Dec 9 15:17:38 CET 2020
On 11/19/2020 7:26 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 | 21 +++++++++++++++++++++
> drivers/net/axgbe/axgbe_rxtx.h | 3 +++
> 4 files changed, 26 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..227be33fa 100644
> --- a/drivers/net/axgbe/axgbe_rxtx.c
> +++ b/drivers/net/axgbe/axgbe_rxtx.c
> @@ -571,6 +571,27 @@ 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;
> + char fw_ver[32];
Is the 'fw_ver' variable not used at all?
> +
> + pdata = (struct axgbe_port *)eth_dev->data->dev_private;
> + hw_feat = &pdata->hw_feat;
> +
> + if (fw_version == NULL || fw_size <= 0)
> + return -EINVAL;
> +
> + snprintf(fw_version, sizeof(fw_ver), "%d.%d.%d",
Shouldn't use 'fw_size' for size limit, instead of 'sizeof(fw_ver)'?
> + 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));
> +
> + return 0;
if the fw version string doesn't fit into the provided buffer, this shouldn't
ignored silently, according to the API, size of the non truncated string should
be returned.
> +}
> +
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