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* [dpdk-dev] [PATCH] net/failsafe: report minimum and maximum MTU in device info
@ 2020-12-22  8:51 Andrew Rybchenko
  2021-02-22 15:28 ` Gaëtan Rivet
  0 siblings, 1 reply; 3+ messages in thread
From: Andrew Rybchenko @ 2020-12-22  8:51 UTC (permalink / raw)
  To: dev
  Cc: stable, Gaetan Rivet, Andrew Rybchenko, Ian Stokes,
	Stephen Hemminger, Ferruh Yigit

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


^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2021-02-22 16:44 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2020-12-22  8:51 [dpdk-dev] [PATCH] net/failsafe: report minimum and maximum MTU in device info Andrew Rybchenko
2021-02-22 15:28 ` Gaëtan Rivet
2021-02-22 16:44   ` Ferruh Yigit

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