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Commit b5a5dc8d authored by stephen hemminger's avatar stephen hemminger Committed by David S. Miller
Browse files

netvsc: report rss field values 



Report current components used in RSS hash.

Signed-off-by: default avatarStephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent b448f4e8

drivers/net/hyperv/netvsc_drv.c

+27 −0
Original line number Diff line number Diff line
@@ -1008,6 +1008,30 @@ static void netvsc_get_strings(struct net_device *dev, u32 stringset, u8 *data) 
	}

}



static int

netvsc_get_rss_hash_opts(struct netvsc_device *nvdev,

			 struct ethtool_rxnfc *info)

{

	info->data = RXH_IP_SRC | RXH_IP_DST;



	switch (info->flow_type) {

	case TCP_V4_FLOW:

	case TCP_V6_FLOW:

		info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;

		/* fallthrough */

	case UDP_V4_FLOW:

	case UDP_V6_FLOW:

	case IPV4_FLOW:

	case IPV6_FLOW:

		break;

	default:

		info->data = 0;

		break;

	}



	return 0;

}



static int

netvsc_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info,

		 u32 *rules)
@@ -1019,6 +1043,9 @@ netvsc_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info, 
	case ETHTOOL_GRXRINGS:

		info->data = nvdev->num_chn;

		return 0;



	case ETHTOOL_GRXFH:

		return netvsc_get_rss_hash_opts(nvdev, info);

	}

	return -EOPNOTSUPP;

}