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From: Stephen Hemminger <stephen@networkplumber.org>
To: davem@davemloft.net, kys@microsoft.com
Cc: netdev@vger.kernel.org, Stephen Hemminger <sthemmin@microsoft.com>
Subject: [PATCH 04/18] netvsc: report rss field values
Date: Tue, 24 Jan 2017 13:06:01 -0800	[thread overview]
Message-ID: <20170124210615.18628-5-sthemmin@microsoft.com> (raw)
In-Reply-To: <20170124210615.18628-1-sthemmin@microsoft.com>

Report current components used in RSS hash.

Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
---
 drivers/net/hyperv/netvsc_drv.c | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index b158cab678b3..6ab8b52af965 100644
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -1009,6 +1009,30 @@ 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;
 }
-- 
2.11.0

  parent reply	other threads:[~2017-01-24 21:06 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-01-24 21:05 [PATCH net-next 00/18] netvsc driver enhancements for net-next Stephen Hemminger
2017-01-24 21:05 ` [PATCH 01/18] netvsc: remove no longer needed receive staging buffers Stephen Hemminger
2017-01-24 21:05 ` [PATCH 02/18] netvsc: negotiate checksum and segmentation parameters Stephen Hemminger
2017-01-24 21:06 ` [PATCH 03/18] netvsc: report number of rx queues in ethtool Stephen Hemminger
2017-01-24 21:06 ` Stephen Hemminger [this message]
2017-01-24 21:06 ` [PATCH 05/18] netvsc: add ethtool ops to get/set RSS key Stephen Hemminger
2017-01-24 21:06 ` [PATCH 06/18] netvsc: allow more flexible setting of number of channels Stephen Hemminger
2017-01-24 21:06 ` [PATCH 07/18] netvsc: allow get/set of RSS indirection table Stephen Hemminger
2017-01-24 21:06 ` [PATCH 08/18] netvsc: enhance transmit select_queue Stephen Hemminger
2017-01-24 21:06 ` [PATCH 09/18] netvsc: remove unused variables Stephen Hemminger
2017-01-24 21:06 ` [PATCH 10/18] netvsc: group all per-channel state together Stephen Hemminger
2017-01-24 21:06 ` [PATCH 11/18] netvsc: optimize receive path Stephen Hemminger
2017-01-24 21:06 ` [PATCH 12/18] netvsc: don't pass void * to internal device_add Stephen Hemminger
2017-01-24 21:06 ` [PATCH 13/18] netvsc: simplify rndis_filter_remove Stephen Hemminger
2017-01-24 21:06 ` [PATCH 14/18] netvsc: eliminate per-device outstanding send counter Stephen Hemminger
2017-01-24 21:06 ` [PATCH 15/18] netvsc: account for packets/bytes transmitted after completion Stephen Hemminger
2017-01-24 21:06 ` [PATCH 16/18] netvsc: report per-channel stats in ethtool statistics Stephen Hemminger
2017-01-24 21:06 ` [PATCH 17/18] netvsc: simplify get next send section Stephen Hemminger
2017-01-24 21:06 ` [PATCH 18/18] netvsc: call netif_receive_skb Stephen Hemminger
2017-01-24 22:39   ` Eric Dumazet
2017-01-24 23:00     ` Stephen Hemminger
2017-01-24 23:07       ` Eric Dumazet
2017-01-24 21:30 ` [PATCH net-next 00/18] netvsc driver enhancements for net-next David Miller
2017-01-24 22:00   ` Stephen Hemminger
2017-01-24 22:50   ` Stephen Hemminger

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