* [dpdk-stable] [PATCH] net/virtio: report maximum MTU in device info
@ 2021-07-21 9:22 Andrew Rybchenko
2021-07-22 7:36 ` Maxime Coquelin
2021-07-28 6:49 ` Xia, Chenbo
0 siblings, 2 replies; 3+ messages in thread
From: Andrew Rybchenko @ 2021-07-21 9:22 UTC (permalink / raw)
To: Maxime Coquelin, Chenbo Xia, Stephen Hemminger, Ian Stokes,
Andrew Rybchenko, Ferruh Yigit
Cc: dev, Ivan Ilchenko, stable
From: Ivan Ilchenko <ivan.ilchenko@oktetlabs.ru>
Fix the driver to report maximum MTU obtained from config if
VIRTIO_NET_F_MTU is supported or calculated based on maximum
Rx packet length.
Fixes: ad97ceece12c ("ethdev: add min/max MTU to device info")
Cc: stable@dpdk.org
Signed-off-by: Ivan Ilchenko <ivan.ilchenko@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>
---
drivers/net/virtio/virtio_ethdev.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c
index 6d6e105960..af6305e9d8 100644
--- a/drivers/net/virtio/virtio_ethdev.c
+++ b/drivers/net/virtio/virtio_ethdev.c
@@ -2502,6 +2502,7 @@ virtio_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
dev_info->min_rx_bufsize = VIRTIO_MIN_RX_BUFSIZE;
dev_info->max_rx_pktlen = VIRTIO_MAX_RX_PKTLEN;
dev_info->max_mac_addrs = VIRTIO_MAX_MAC_ADDRS;
+ dev_info->max_mtu = hw->max_mtu;
host_features = VIRTIO_OPS(hw)->get_features(hw);
dev_info->rx_offload_capa = DEV_RX_OFFLOAD_VLAN_STRIP;
--
2.30.2
^ permalink raw reply [flat|nested] 3+ messages in thread* Re: [dpdk-stable] [PATCH] net/virtio: report maximum MTU in device info
2021-07-21 9:22 [dpdk-stable] [PATCH] net/virtio: report maximum MTU in device info Andrew Rybchenko
@ 2021-07-22 7:36 ` Maxime Coquelin
2021-07-28 6:49 ` Xia, Chenbo
1 sibling, 0 replies; 3+ messages in thread
From: Maxime Coquelin @ 2021-07-22 7:36 UTC (permalink / raw)
To: Andrew Rybchenko, Chenbo Xia, Stephen Hemminger, Ian Stokes,
Andrew Rybchenko, Ferruh Yigit
Cc: dev, Ivan Ilchenko, stable
On 7/21/21 11:22 AM, Andrew Rybchenko wrote:
> From: Ivan Ilchenko <ivan.ilchenko@oktetlabs.ru>
>
> Fix the driver to report maximum MTU obtained from config if
> VIRTIO_NET_F_MTU is supported or calculated based on maximum
> Rx packet length.
>
> Fixes: ad97ceece12c ("ethdev: add min/max MTU to device info")
> Cc: stable@dpdk.org
>
> Signed-off-by: Ivan Ilchenko <ivan.ilchenko@oktetlabs.ru>
> Signed-off-by: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>
> ---
> drivers/net/virtio/virtio_ethdev.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c
> index 6d6e105960..af6305e9d8 100644
> --- a/drivers/net/virtio/virtio_ethdev.c
> +++ b/drivers/net/virtio/virtio_ethdev.c
> @@ -2502,6 +2502,7 @@ virtio_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
> dev_info->min_rx_bufsize = VIRTIO_MIN_RX_BUFSIZE;
> dev_info->max_rx_pktlen = VIRTIO_MAX_RX_PKTLEN;
> dev_info->max_mac_addrs = VIRTIO_MAX_MAC_ADDRS;
> + dev_info->max_mtu = hw->max_mtu;
>
> host_features = VIRTIO_OPS(hw)->get_features(hw);
> dev_info->rx_offload_capa = DEV_RX_OFFLOAD_VLAN_STRIP;
>
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
Thanks,
Maxime
^ permalink raw reply [flat|nested] 3+ messages in thread* Re: [dpdk-stable] [PATCH] net/virtio: report maximum MTU in device info
2021-07-21 9:22 [dpdk-stable] [PATCH] net/virtio: report maximum MTU in device info Andrew Rybchenko
2021-07-22 7:36 ` Maxime Coquelin
@ 2021-07-28 6:49 ` Xia, Chenbo
1 sibling, 0 replies; 3+ messages in thread
From: Xia, Chenbo @ 2021-07-28 6:49 UTC (permalink / raw)
To: Andrew Rybchenko, Maxime Coquelin, Stephen Hemminger, Stokes,
Ian, Andrew Rybchenko, Yigit, Ferruh
Cc: dev, Ivan Ilchenko, stable
> -----Original Message-----
> From: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>
> Sent: Wednesday, July 21, 2021 5:22 PM
> To: Maxime Coquelin <maxime.coquelin@redhat.com>; Xia, Chenbo
> <chenbo.xia@intel.com>; Stephen Hemminger <stephen@networkplumber.org>; Stokes,
> Ian <ian.stokes@intel.com>; Andrew Rybchenko <arybchenko@solarflare.com>;
> Yigit, Ferruh <ferruh.yigit@intel.com>
> Cc: dev@dpdk.org; Ivan Ilchenko <ivan.ilchenko@oktetlabs.ru>; stable@dpdk.org
> Subject: [PATCH] net/virtio: report maximum MTU in device info
>
> From: Ivan Ilchenko <ivan.ilchenko@oktetlabs.ru>
>
> Fix the driver to report maximum MTU obtained from config if
> VIRTIO_NET_F_MTU is supported or calculated based on maximum
> Rx packet length.
>
> Fixes: ad97ceece12c ("ethdev: add min/max MTU to device info")
> Cc: stable@dpdk.org
>
> Signed-off-by: Ivan Ilchenko <ivan.ilchenko@oktetlabs.ru>
> Signed-off-by: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>
> ---
> drivers/net/virtio/virtio_ethdev.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/net/virtio/virtio_ethdev.c
> b/drivers/net/virtio/virtio_ethdev.c
> index 6d6e105960..af6305e9d8 100644
> --- a/drivers/net/virtio/virtio_ethdev.c
> +++ b/drivers/net/virtio/virtio_ethdev.c
> @@ -2502,6 +2502,7 @@ virtio_dev_info_get(struct rte_eth_dev *dev, struct
> rte_eth_dev_info *dev_info)
> dev_info->min_rx_bufsize = VIRTIO_MIN_RX_BUFSIZE;
> dev_info->max_rx_pktlen = VIRTIO_MAX_RX_PKTLEN;
> dev_info->max_mac_addrs = VIRTIO_MAX_MAC_ADDRS;
> + dev_info->max_mtu = hw->max_mtu;
>
> host_features = VIRTIO_OPS(hw)->get_features(hw);
> dev_info->rx_offload_capa = DEV_RX_OFFLOAD_VLAN_STRIP;
> --
> 2.30.2
Applied to next-virtio/main. Thanks!
^ permalink raw reply [flat|nested] 3+ messages in thread
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2021-07-21 9:22 [dpdk-stable] [PATCH] net/virtio: report maximum MTU in device info Andrew Rybchenko
2021-07-22 7:36 ` Maxime Coquelin
2021-07-28 6:49 ` Xia, Chenbo
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