net/mlx5: fix VID assignment in VLAN modify
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Commit Message
PMD uses MODIFY_FIELD to implement standalone OF_SET_VLAN_VID flow
action.
PMD assigned immediate VLAN Id value to the `.level` member of the
`rte_flow_action_modify_data` structure instead of `.value`.
That assignment has worked because both members had the same offset in
the hosting structure.
The patch assigns VLAN Id directly to `.value`
Fixes: 773ca0e91ba1 ("net/mlx5: support VLAN push/pop/modify with HWS")
Cc: stable@dpdk.org (backport)
Signed-off-by: Gregory Etelson <getelson@nvidia.com>
Acked-by: Dariusz Sosnowski <dsosnowski@nvidia.com>
---
drivers/net/mlx5/mlx5_flow_hw.c | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
Comments
Hi,
> -----Original Message-----
> From: Gregory Etelson <getelson@nvidia.com>
> Sent: Friday, March 1, 2024 8:05 AM
> To: dev@dpdk.org
> Cc: Gregory Etelson <getelson@nvidia.com>; Maayan Kashani
> <mkashani@nvidia.com>; Raslan Darawsheh <rasland@nvidia.com>;
> stable@dpdk.org; Dariusz Sosnowski <dsosnowski@nvidia.com>; Slava
> Ovsiienko <viacheslavo@nvidia.com>; Ori Kam <orika@nvidia.com>;
> Suanming Mou <suanmingm@nvidia.com>; Matan Azrad
> <matan@nvidia.com>
> Subject: [PATCH] net/mlx5: fix VID assignment in VLAN modify
>
> PMD uses MODIFY_FIELD to implement standalone OF_SET_VLAN_VID flow
> action.
> PMD assigned immediate VLAN Id value to the `.level` member of the
> `rte_flow_action_modify_data` structure instead of `.value`.
> That assignment has worked because both members had the same offset in
> the hosting structure.
>
> The patch assigns VLAN Id directly to `.value`
>
> Fixes: 773ca0e91ba1 ("net/mlx5: support VLAN push/pop/modify with
> HWS")
> Cc: stable@dpdk.org (backport)
>
> Signed-off-by: Gregory Etelson <getelson@nvidia.com>
> Acked-by: Dariusz Sosnowski <dsosnowski@nvidia.com>
Patch applied to next-net-mlx,
Kindest regards
Raslan Darawsheh
@@ -6863,7 +6863,6 @@ flow_hw_set_vlan_vid(struct rte_eth_dev *dev,
rm[set_vlan_vid_ix].conf)->vlan_vid != 0);
const struct rte_flow_action_of_set_vlan_vid *conf =
ra[set_vlan_vid_ix].conf;
- rte_be16_t vid = masked ? conf->vlan_vid : 0;
int width = mlx5_flow_item_field_width(dev, RTE_FLOW_FIELD_VLAN_ID, 0,
NULL, &error);
*spec = (typeof(*spec)) {
@@ -6874,8 +6873,6 @@ flow_hw_set_vlan_vid(struct rte_eth_dev *dev,
},
.src = {
.field = RTE_FLOW_FIELD_VALUE,
- .level = vid,
- .offset = 0,
},
.width = width,
};
@@ -6887,11 +6884,15 @@ flow_hw_set_vlan_vid(struct rte_eth_dev *dev,
},
.src = {
.field = RTE_FLOW_FIELD_VALUE,
- .level = masked ? (1U << width) - 1 : 0,
- .offset = 0,
},
.width = 0xffffffff,
};
+ if (masked) {
+ uint32_t mask_val = 0xffffffff;
+
+ rte_memcpy(spec->src.value, &conf->vlan_vid, sizeof(conf->vlan_vid));
+ rte_memcpy(mask->src.value, &mask_val, sizeof(mask_val));
+ }
ra[set_vlan_vid_ix].type = RTE_FLOW_ACTION_TYPE_MODIFY_FIELD;
ra[set_vlan_vid_ix].conf = spec;
rm[set_vlan_vid_ix].type = RTE_FLOW_ACTION_TYPE_MODIFY_FIELD;
@@ -6918,8 +6919,6 @@ flow_hw_set_vlan_vid_construct(struct rte_eth_dev *dev,
},
.src = {
.field = RTE_FLOW_FIELD_VALUE,
- .level = vid,
- .offset = 0,
},
.width = width,
};
@@ -6928,6 +6927,7 @@ flow_hw_set_vlan_vid_construct(struct rte_eth_dev *dev,
.conf = &conf
};
+ rte_memcpy(conf.src.value, &vid, sizeof(vid));
return flow_hw_modify_field_construct(mhdr_cmd, act_data, hw_acts, &modify_action);
}