netdev - [PATCH v2 net-next 10/11] From: Thomas Falcon <tlfalcon@...ux.vnet.ibm.com>

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Message-Id: <20170501215737.27224.47900.stgit@ltcalpine2-lp23.aus.stglabs.ibm.com>
Date:   Mon, 01 May 2017 17:57:37 -0400
From:   Nathan Fontenot <nfont@...ux.vnet.ibm.com>
To:     netdev@...r.kernel.org
Cc:     brking@...ux.vnet.ibm.com, jallen@...ux.vnet.ibm.com,
        muvic@...ux.vnet.ibm.com, tlfalcon@...ux.vnet.ibm.com
Subject: [PATCH v2 net-next 10/11] From: Thomas Falcon
 <tlfalcon@...ux.vnet.ibm.com>

From: Thomas Falcon <tlfalcon@...ux.vnet.ibm.com>

ibmvnic: Record SKB RX queue during poll

Map each RX SKB to the RX queue associated with the driver's RX SCRQ.
This should improve the RX CPU load balancing issues seen by the
performance team.

Signed-off-by: Thomas Falcon <tlfalcon@...ux.vnet.ibm.com>
---
 drivers/net/ethernet/ibm/ibmvnic.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c
index 4b2e128..4a2b99f 100644
--- a/drivers/net/ethernet/ibm/ibmvnic.c
+++ b/drivers/net/ethernet/ibm/ibmvnic.c
@@ -1428,6 +1428,7 @@ static int ibmvnic_poll(struct napi_struct *napi, int budget)
 
 		skb_put(skb, length);
 		skb->protocol = eth_type_trans(skb, netdev);
+		skb_record_rx_queue(skb, scrq_num);
 
 		if (flags & IBMVNIC_IP_CHKSUM_GOOD &&
 		    flags & IBMVNIC_TCP_UDP_CHKSUM_GOOD) {