netdev - [PATCH net-next] net: Add low-latency/polling support for UDP multicast

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: <1375741001-20553-1-git-send-email-sbohrer@rgmadvisors.com>
Date:	Mon,  5 Aug 2013 17:16:41 -0500
From:	Shawn Bohrer <sbohrer@...advisors.com>
To:	davem@...emloft.net
Cc:	eliezer.tamir@...ux.intel.com, netdev@...r.kernel.org,
	Amir Vadai <amirv@...lanox.com>, tomk@...advisors.com,
	Shawn Bohrer <sbohrer@...advisors.com>
Subject: [PATCH net-next] net: Add low-latency/polling support for UDP multicast

Set the napi id for each socket in the multicast path to enable
low-latency/polling support.

Signed-off-by: Shawn Bohrer <sbohrer@...advisors.com>
---
 net/ipv4/udp.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 766e6ba..0d0da17 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -1596,6 +1596,7 @@ static int __udp4_lib_mcast_deliver(struct net *net, struct sk_buff *skb,
 	dif = skb->dev->ifindex;
 	sk = udp_v4_mcast_next(net, sk, uh->dest, daddr, uh->source, saddr, dif);
 	while (sk) {
+		sk_mark_napi_id(sk, skb);
 		stack[count++] = sk;
 		sk = udp_v4_mcast_next(net, sk_nulls_next(sk), uh->dest,
 				       daddr, uh->source, saddr, dif);
-- 
1.7.7.6


-- 

---------------------------------------------------------------
This email, along with any attachments, is confidential. If you 
believe you received this message in error, please contact the 
sender immediately and delete all copies of the message.  
Thank you.
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html