litmus-rt.git - The LITMUS^RT kernel.

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author	Linus Torvalds <torvalds@linux-foundation.org>	2010-11-15 17:03:17 -0500
committer	Linus Torvalds <torvalds@linux-foundation.org>	2010-11-15 17:03:17 -0500
commit	fe9d1159b299642f9e1a9b56bbf67a24c31bb418 (patch)
tree	530c6e41beb784adb16a1faae2839edbad2fbb7f /drivers/tty/tty_buffer.c
parent	e5c13537b0153010b4f65b9c55faa78a4c151c93 (diff)
parent	2236baa75f704851d3cd3310569058151acb1f06 (diff)

Merge branch 'i2c-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging

* 'i2c-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging: i2c: Sanity checks on adapter registration i2c: Mark i2c_adapter.id as deprecated i2c: Drivers shouldn't include <linux/i2c-id.h> i2c: Delete unused adapter IDs i2c: Remove obsolete cleanup for clientdata

Diffstat (limited to 'drivers/tty/tty_buffer.c')

0 files changed, 0 insertions, 0 deletions

/* * xt_connmark - Netfilter module to match connection mark values * * Copyright (C) 2002,2004 MARA Systems AB <http://www.marasystems.com> * by Henrik Nordstrom <hno@marasystems.com> * Copyright © CC Computer Consultants GmbH, 2007 - 2008 * Jan Engelhardt <jengelh@computergmbh.de> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include <linux/module.h> #include <linux/skbuff.h> #include <net/netfilter/nf_conntrack.h> #include <linux/netfilter/x_tables.h> #include <linux/netfilter/xt_connmark.h> MODULE_AUTHOR("Henrik Nordstrom <hno@marasystems.com>"); MODULE_DESCRIPTION("Xtables: connection mark match"); MODULE_LICENSE("GPL"); MODULE_ALIAS("ipt_connmark"); MODULE_ALIAS("ip6t_connmark"); static bool connmark_mt(const struct sk_buff *skb, const struct xt_match_param *par) { const struct xt_connmark_mtinfo1 *info = par->matchinfo; enum ip_conntrack_info ctinfo; const struct nf_conn *ct; ct = nf_ct_get(skb, &ctinfo); if (ct == NULL) return false; return ((ct->mark & info->mask) == info->mark) ^ info->invert; } static bool connmark_mt_v0(const struct sk_buff *skb, const struct xt_match_param *par) { const struct xt_connmark_info *info = par->matchinfo; const struct nf_conn *ct; enum ip_conntrack_info ctinfo; ct = nf_ct_get(skb, &ctinfo); if (!ct) return false; return ((ct->mark & info->mask) == info->mark) ^ info->invert; } static bool connmark_mt_check_v0(const struct xt_mtchk_param *par) { const struct xt_connmark_info *cm = par->matchinfo; if (cm->mark > 0xffffffff || cm->mask > 0xffffffff) { printk(KERN_WARNING "connmark: only support 32bit mark\n"); return false; } if (nf_ct_l3proto_try_module_get(par->family) < 0) { printk(KERN_WARNING "can't load conntrack support for " "proto=%u\n", par->family); return false; } return true; } static bool connmark_mt_check(const struct xt_mtchk_param *par) { if (nf_ct_l3proto_try_module_get(par->family) < 0) { printk(KERN_WARNING "cannot load conntrack support for " "proto=%u\n", par->family); return false; } return true; } static void connmark_mt_destroy(const struct xt_mtdtor_param *par) { nf_ct_l3proto_module_put(par->family); } #ifdef CONFIG_COMPAT struct compat_xt_connmark_info { compat_ulong_t mark, mask; u_int8_t invert; u_int8_t __pad1; u_int16_t __pad2; }; static void connmark_mt_compat_from_user_v0(void *dst, void *src) { const struct compat_xt_connmark_info *cm = src; struct xt_connmark_info m = { .mark = cm->mark, .mask = cm->mask, .invert = cm->invert, }; memcpy(dst, &m, sizeof(m)); } static int connmark_mt_compat_to_user_v0(void __user *dst, void *src) { const struct xt_connmark_info *m = src; struct compat_xt_connmark_info cm = { .mark = m->mark, .mask = m->mask, .invert = m->invert, }; return copy_to_user(dst, &cm, sizeof(cm)) ? -EFAULT : 0; } #endif /* CONFIG_COMPAT */ static struct xt_match connmark_mt_reg[] __read_mostly = { { .name = "connmark", .revision = 0, .family = NFPROTO_UNSPEC, .checkentry = connmark_mt_check_v0, .match = connmark_mt_v0, .destroy = connmark_mt_destroy, .matchsize = sizeof(struct xt_connmark_info), #ifdef CONFIG_COMPAT .compatsize = sizeof(struct compat_xt_connmark_info), .compat_from_user = connmark_mt_compat_from_user_v0, .compat_to_user = connmark_mt_compat_to_user_v0, #endif .me = THIS_MODULE }, { .name = "connmark", .revision = 1, .family = NFPROTO_UNSPEC, .checkentry = connmark_mt_check, .match = connmark_mt, .matchsize = sizeof(struct xt_connmark_mtinfo1), .destroy = connmark_mt_destroy, .me = THIS_MODULE, }, }; static int __init connmark_mt_init(void) { return xt_register_matches(connmark_mt_reg, ARRAY_SIZE(connmark_mt_reg)); } static void __exit connmark_mt_exit(void) { xt_unregister_matches(connmark_mt_reg, ARRAY_SIZE(connmark_mt_reg)); } module_init(connmark_mt_init); module_exit(connmark_mt_exit);


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