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bnxt_en: Add support for ntuple filter deletion by ethtool.

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Add logic to delete a user specified ntuple filter from ethtool.

Reviewed-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Reviewed-by: Andy Gospodarek <andrew.gospodarek@broadcom.com>
Reviewed-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michael Chan 2023-12-22 20:22:10 -08:00 • committed by David S. Miller
parent c029bc30b9
commit 8d7ba028aa
1 changed files with 29 additions and 0 deletions
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29
drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
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@ -1341,6 +1341,31 @@ static int bnxt_srxclsrlins(struct bnxt *bp, struct ethtool_rxnfc *cmd)
return rc; return rc;
} }
static int bnxt_srxclsrldel(struct bnxt *bp, struct ethtool_rxnfc *cmd)
{
struct ethtool_rx_flow_spec *fs = &cmd->fs;
struct bnxt_filter_base *fltr_base;
rcu_read_lock();
fltr_base = bnxt_get_one_fltr_rcu(bp, bp->ntp_fltr_hash_tbl,
BNXT_NTP_FLTR_HASH_SIZE,
fs->location);
if (fltr_base) {
struct bnxt_ntuple_filter *fltr;
fltr = container_of(fltr_base, struct bnxt_ntuple_filter, base);
rcu_read_unlock();
if (!(fltr->base.flags & BNXT_ACT_NO_AGING))
return -EINVAL;
bnxt_hwrm_cfa_ntuple_filter_free(bp, fltr);
bnxt_del_ntp_filter(bp, fltr);
return 0;
}
rcu_read_unlock();
return -ENOENT;
}
static u64 get_ethtool_ipv4_rss(struct bnxt *bp) static u64 get_ethtool_ipv4_rss(struct bnxt *bp)
{ {
if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4) if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4)
@ -1532,6 +1557,10 @@ static int bnxt_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
rc = bnxt_srxclsrlins(bp, cmd); rc = bnxt_srxclsrlins(bp, cmd);
break; break;
case ETHTOOL_SRXCLSRLDEL:
rc = bnxt_srxclsrldel(bp, cmd);
break;
default: default:
rc = -EOPNOTSUPP; rc = -EOPNOTSUPP;
break; break;