* [PATCH 19.11] net/mlx5: fix LRO validation in Rx setup
@ 2022-07-10 7:03 Michael Baum
2022-07-11 6:16 ` Christian Ehrhardt
0 siblings, 1 reply; 2+ messages in thread
From: Michael Baum @ 2022-07-10 7:03 UTC (permalink / raw)
To: stable; +Cc: Matan Azrad, Viacheslav Ovsiienko, Christian Ehrhardt
[ upstream commit a213b8682117711c8e92475c5bbb321a3d8428dd ]
The mlx5_rx_queue_setup() get LRO offload from user.
When LRO is configured, the LRO flag in rxq_data is set to 1.
This patch adds validation to make sure the LRO is supported.
Fixes: 17ed314 ("net/mlx5: allow LRO per Rx queue")
Signed-off-by: Michael Baum <michaelba@nvidia.com>
Acked-by: Matan Azrad <matan@nvidia.com>
---
drivers/net/mlx5/mlx5_rxq.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/drivers/net/mlx5/mlx5_rxq.c b/drivers/net/mlx5/mlx5_rxq.c
index bb4f11bccb..7a0a7e6ac9 100644
--- a/drivers/net/mlx5/mlx5_rxq.c
+++ b/drivers/net/mlx5/mlx5_rxq.c
@@ -502,8 +502,18 @@ mlx5_rx_queue_setup(struct rte_eth_dev *dev, uint16_t idx, uint16_t desc,
struct mlx5_rxq_data *rxq = (*priv->rxqs)[idx];
struct mlx5_rxq_ctrl *rxq_ctrl =
container_of(rxq, struct mlx5_rxq_ctrl, rxq);
+ uint64_t offloads = conf->offloads |
+ dev->data->dev_conf.rxmode.offloads;
int res;
+ if ((offloads & DEV_RX_OFFLOAD_TCP_LRO) &&
+ !priv->config.lro.supported) {
+ DRV_LOG(ERR,
+ "Port %u queue %u LRO is configured but not supported.",
+ dev->data->port_id, idx);
+ rte_errno = EINVAL;
+ return -rte_errno;
+ }
res = mlx5_rx_queue_pre_setup(dev, idx, &desc);
if (res)
return res;
--
2.25.1
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH 19.11] net/mlx5: fix LRO validation in Rx setup
2022-07-10 7:03 [PATCH 19.11] net/mlx5: fix LRO validation in Rx setup Michael Baum
@ 2022-07-11 6:16 ` Christian Ehrhardt
0 siblings, 0 replies; 2+ messages in thread
From: Christian Ehrhardt @ 2022-07-11 6:16 UTC (permalink / raw)
To: Michael Baum; +Cc: stable, Matan Azrad, Viacheslav Ovsiienko
On Sun, Jul 10, 2022 at 9:04 AM Michael Baum <michaelba@nvidia.com> wrote:
>
> [ upstream commit a213b8682117711c8e92475c5bbb321a3d8428dd ]
Thanks, applied
> The mlx5_rx_queue_setup() get LRO offload from user.
>
> When LRO is configured, the LRO flag in rxq_data is set to 1.
>
> This patch adds validation to make sure the LRO is supported.
>
> Fixes: 17ed314 ("net/mlx5: allow LRO per Rx queue")
>
> Signed-off-by: Michael Baum <michaelba@nvidia.com>
> Acked-by: Matan Azrad <matan@nvidia.com>
> ---
> drivers/net/mlx5/mlx5_rxq.c | 10 ++++++++++
> 1 file changed, 10 insertions(+)
>
> diff --git a/drivers/net/mlx5/mlx5_rxq.c b/drivers/net/mlx5/mlx5_rxq.c
> index bb4f11bccb..7a0a7e6ac9 100644
> --- a/drivers/net/mlx5/mlx5_rxq.c
> +++ b/drivers/net/mlx5/mlx5_rxq.c
> @@ -502,8 +502,18 @@ mlx5_rx_queue_setup(struct rte_eth_dev *dev, uint16_t idx, uint16_t desc,
> struct mlx5_rxq_data *rxq = (*priv->rxqs)[idx];
> struct mlx5_rxq_ctrl *rxq_ctrl =
> container_of(rxq, struct mlx5_rxq_ctrl, rxq);
> + uint64_t offloads = conf->offloads |
> + dev->data->dev_conf.rxmode.offloads;
> int res;
>
> + if ((offloads & DEV_RX_OFFLOAD_TCP_LRO) &&
> + !priv->config.lro.supported) {
> + DRV_LOG(ERR,
> + "Port %u queue %u LRO is configured but not supported.",
> + dev->data->port_id, idx);
> + rte_errno = EINVAL;
> + return -rte_errno;
> + }
> res = mlx5_rx_queue_pre_setup(dev, idx, &desc);
> if (res)
> return res;
> --
> 2.25.1
>
--
Christian Ehrhardt
Senior Staff Engineer, Ubuntu Server
Canonical Ltd
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2022-07-11 6:16 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-07-10 7:03 [PATCH 19.11] net/mlx5: fix LRO validation in Rx setup Michael Baum
2022-07-11 6:16 ` Christian Ehrhardt
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).