Commit 8d7ba028 authored by Michael Chan's avatar Michael Chan Committed by David S. Miller
Browse files

bnxt_en: Add support for ntuple filter deletion by ethtool. 



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

Reviewed-by: default avatarVasundhara Volam <vasundhara-v.volam@broadcom.com>
Reviewed-by: default avatarAndy Gospodarek <andrew.gospodarek@broadcom.com>
Reviewed-by: default avatarPavan Chebbi <pavan.chebbi@broadcom.com>
Signed-off-by: default avatarMichael Chan <michael.chan@broadcom.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent c029bc30

drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c

+29 −0
Original line number Diff line number Diff line
@@ -1341,6 +1341,31 @@ static int bnxt_srxclsrlins(struct bnxt *bp, struct ethtool_rxnfc *cmd) 
	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)

{

	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);

		break;



	case ETHTOOL_SRXCLSRLDEL:

		rc = bnxt_srxclsrldel(bp, cmd);

		break;



	default:

		rc = -EOPNOTSUPP;

		break;