net/failsafe: report minimum and maximum MTU in device info
Checks
Commit Message
Take minimum and maximum MTU values for subdevices and
report maximum of minimums and minimum of maximums.
Fixes: ad97ceece12c ("ethdev: add min/max MTU to device info")
Cc: stable@dpdk.org
Signed-off-by: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>
---
drivers/net/failsafe/failsafe_ops.c | 4 ++++
1 file changed, 4 insertions(+)
Comments
On Tue, Dec 22, 2020, at 08:51, Andrew Rybchenko wrote:
> Take minimum and maximum MTU values for subdevices and
> report maximum of minimums and minimum of maximums.
>
> Fixes: ad97ceece12c ("ethdev: add min/max MTU to device info")
> Cc: stable@dpdk.org
>
> Signed-off-by: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>
> ---
> drivers/net/failsafe/failsafe_ops.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/drivers/net/failsafe/failsafe_ops.c
> b/drivers/net/failsafe/failsafe_ops.c
> index 76d64871b4..5e6fb369e1 100644
> --- a/drivers/net/failsafe/failsafe_ops.c
> +++ b/drivers/net/failsafe/failsafe_ops.c
> @@ -1095,6 +1095,8 @@ static void
> fs_dev_merge_info(struct rte_eth_dev_info *info,
> const struct rte_eth_dev_info *sinfo)
> {
> + info->min_mtu = RTE_MAX(info->min_mtu, sinfo->min_mtu);
> + info->max_mtu = RTE_MIN(info->max_mtu, sinfo->max_mtu);
> info->max_rx_pktlen = RTE_MIN(info->max_rx_pktlen,
> sinfo->max_rx_pktlen);
> info->max_rx_queues = RTE_MIN(info->max_rx_queues,
> sinfo->max_rx_queues);
> info->max_tx_queues = RTE_MIN(info->max_tx_queues,
> sinfo->max_tx_queues);
> @@ -1172,6 +1174,8 @@ fs_dev_infos_get(struct rte_eth_dev *dev,
> int ret;
>
> /* Use maximum upper bounds by default */
> + infos->min_mtu = RTE_ETHER_MIN_MTU;
> + infos->max_mtu = UINT16_MAX;
> infos->max_rx_pktlen = UINT32_MAX;
> infos->max_rx_queues = RTE_MAX_QUEUES_PER_PORT;
> infos->max_tx_queues = RTE_MAX_QUEUES_PER_PORT;
> --
> 2.29.2
>
>
Hi Andrew,
Sorry, I missed this patch before.
It looks ok to me:
Acked-by: Gaetan Rivet <grive@u256.net>
On 2/22/2021 3:28 PM, Gaëtan Rivet wrote:
> On Tue, Dec 22, 2020, at 08:51, Andrew Rybchenko wrote:
>> Take minimum and maximum MTU values for subdevices and
>> report maximum of minimums and minimum of maximums.
>>
>> Fixes: ad97ceece12c ("ethdev: add min/max MTU to device info")
>> Cc: stable@dpdk.org
>>
>> Signed-off-by: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>
>
> Acked-by: Gaetan Rivet <grive@u256.net>
>
Applied to dpdk-next-net/main, thanks.
@@ -1095,6 +1095,8 @@ static void
fs_dev_merge_info(struct rte_eth_dev_info *info,
const struct rte_eth_dev_info *sinfo)
{
+ info->min_mtu = RTE_MAX(info->min_mtu, sinfo->min_mtu);
+ info->max_mtu = RTE_MIN(info->max_mtu, sinfo->max_mtu);
info->max_rx_pktlen = RTE_MIN(info->max_rx_pktlen, sinfo->max_rx_pktlen);
info->max_rx_queues = RTE_MIN(info->max_rx_queues, sinfo->max_rx_queues);
info->max_tx_queues = RTE_MIN(info->max_tx_queues, sinfo->max_tx_queues);
@@ -1172,6 +1174,8 @@ fs_dev_infos_get(struct rte_eth_dev *dev,
int ret;
/* Use maximum upper bounds by default */
+ infos->min_mtu = RTE_ETHER_MIN_MTU;
+ infos->max_mtu = UINT16_MAX;
infos->max_rx_pktlen = UINT32_MAX;
infos->max_rx_queues = RTE_MAX_QUEUES_PER_PORT;
infos->max_tx_queues = RTE_MAX_QUEUES_PER_PORT;