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net/sfc: override match fields in tunnel offload jump rules

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The current HW/FW doesn't allow to match on MAC addresses in outer rules.
One day this will change for sure, but right now a workaround is needed.

Match on VLAN presence in outer rules is also unsupported. Ignore it.

Signed-off-by: Ivan Malov <ivan.malov@oktetlabs.ru>
Reviewed-by: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>
This commit is contained in:
Ivan Malov 2021-10-13 16:15:10 +03:00 committed by Ferruh Yigit
parent 7e5b479803
commit 8efb2f537e
1 changed files with 17 additions and 0 deletions
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17
drivers/net/sfc/sfc_mae.c
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@ -1525,6 +1525,7 @@ sfc_mae_rule_parse_item_eth(const struct rte_flow_item *item,
struct rte_flow_error *error)
{
struct sfc_mae_parse_ctx *ctx_mae = ctx->mae;
struct rte_flow_item_eth override_mask;
struct rte_flow_item_eth supp_mask;
const uint8_t *spec = NULL;
const uint8_t *mask = NULL;
@ -1542,6 +1543,22 @@ sfc_mae_rule_parse_item_eth(const struct rte_flow_item *item,
if (rc != 0)
return rc;
if (ctx_mae->ft_rule_type == SFC_FT_RULE_JUMP && mask != NULL) {
/*
* The HW/FW hasn't got support for match on MAC addresses in
* outer rules yet (this will change). Match on VLAN presence
* isn't supported either. Ignore these match criteria.
*/
memcpy(&override_mask, mask, sizeof(override_mask));
memset(&override_mask.hdr.dst_addr, 0,
sizeof(override_mask.hdr.dst_addr));
memset(&override_mask.hdr.src_addr, 0,
sizeof(override_mask.hdr.src_addr));
override_mask.has_vlan = 0;
mask = (const uint8_t *)&override_mask;
}
if (spec != NULL) {
struct sfc_mae_pattern_data *pdata = &ctx_mae->pattern_data;
struct sfc_mae_ethertype *ethertypes = pdata->ethertypes;