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net/failsafe: report minimum and maximum MTU

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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>
This commit is contained in:
Andrew Rybchenko 2020-12-22 11:51:49 +03:00 committed by Ferruh Yigit
parent f971b7d301
commit c0396a48b5
1 changed files with 4 additions and 0 deletions
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4
drivers/net/failsafe/failsafe_ops.c
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@ -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);
@ -1163,6 +1165,8 @@ 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;