netdev - [PATCH v3 net-next 10/11] ibmvnic: Record SKB RX queue during poll

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20170502185311.28214.82195.stgit@ltcalpine2-lp23.aus.stglabs.ibm.com>
Date:   Tue, 02 May 2017 14:53:11 -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 v3 net-next 10/11] ibmvnic: Record SKB RX queue during poll

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

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) {