From 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 Mon Sep 17 00:00:00 2001 From: Yunhong Jiang Date: Tue, 4 Aug 2015 12:17:53 -0700 Subject: Add the rt linux 4.1.3-rt3 as base Import the rt linux 4.1.3-rt3 as OPNFV kvm base. It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and the base is: commit 0917f823c59692d751951bf5ea699a2d1e2f26a2 Author: Sebastian Andrzej Siewior Date: Sat Jul 25 12:13:34 2015 +0200 Prepare v4.1.3-rt3 Signed-off-by: Sebastian Andrzej Siewior We lose all the git history this way and it's not good. We should apply another opnfv project repo in future. Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423 Signed-off-by: Yunhong Jiang --- kernel/net/netfilter/xt_cpu.c | 65 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 65 insertions(+) create mode 100644 kernel/net/netfilter/xt_cpu.c (limited to 'kernel/net/netfilter/xt_cpu.c') diff --git a/kernel/net/netfilter/xt_cpu.c b/kernel/net/netfilter/xt_cpu.c new file mode 100644 index 000000000..c7a2e5466 --- /dev/null +++ b/kernel/net/netfilter/xt_cpu.c @@ -0,0 +1,65 @@ +/* Kernel module to match running CPU */ + +/* + * Might be used to distribute connections on several daemons, if + * RPS (Remote Packet Steering) is enabled or NIC is multiqueue capable, + * each RX queue IRQ affined to one CPU (1:1 mapping) + * + */ + +/* (C) 2010 Eric Dumazet + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include +#include +#include +#include + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Eric Dumazet "); +MODULE_DESCRIPTION("Xtables: CPU match"); +MODULE_ALIAS("ipt_cpu"); +MODULE_ALIAS("ip6t_cpu"); + +static int cpu_mt_check(const struct xt_mtchk_param *par) +{ + const struct xt_cpu_info *info = par->matchinfo; + + if (info->invert & ~1) + return -EINVAL; + return 0; +} + +static bool cpu_mt(const struct sk_buff *skb, struct xt_action_param *par) +{ + const struct xt_cpu_info *info = par->matchinfo; + + return (info->cpu == smp_processor_id()) ^ info->invert; +} + +static struct xt_match cpu_mt_reg __read_mostly = { + .name = "cpu", + .revision = 0, + .family = NFPROTO_UNSPEC, + .checkentry = cpu_mt_check, + .match = cpu_mt, + .matchsize = sizeof(struct xt_cpu_info), + .me = THIS_MODULE, +}; + +static int __init cpu_mt_init(void) +{ + return xt_register_match(&cpu_mt_reg); +} + +static void __exit cpu_mt_exit(void) +{ + xt_unregister_match(&cpu_mt_reg); +} + +module_init(cpu_mt_init); +module_exit(cpu_mt_exit); -- cgit 1.2.3-korg