/* iptables module for the packet checksum mangling * * (C) 2002 by Harald Welte * (C) 2010 Red Hat, Inc. * * Author: Michael S. Tsirkin * * 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. */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include #include #include #include MODULE_LICENSE("GPL"); MODULE_AUTHOR("Michael S. Tsirkin "); MODULE_DESCRIPTION("Xtables: checksum modification"); MODULE_ALIAS("ipt_CHECKSUM"); MODULE_ALIAS("ip6t_CHECKSUM"); static unsigned int checksum_tg(struct sk_buff *skb, const struct xt_action_param *par) { if (skb->ip_summed == CHECKSUM_PARTIAL) skb_checksum_help(skb); return XT_CONTINUE; } static int checksum_tg_check(const struct xt_tgchk_param *par) { const struct xt_CHECKSUM_info *einfo = par->targinfo; if (einfo->operation & ~XT_CHECKSUM_OP_FILL) { pr_info("unsupported CHECKSUM operation %x\n", einfo->operation); return -EINVAL; } if (!einfo->operation) { pr_info("no CHECKSUM operation enabled\n"); return -EINVAL; } return 0; } static struct xt_target checksum_tg_reg __read_mostly = { .name = "CHECKSUM", .family = NFPROTO_UNSPEC, .target = checksum_tg, .targetsize = sizeof(struct xt_CHECKSUM_info), .table = "mangle", .checkentry = checksum_tg_check, .me = THIS_MODULE, }; static int __init checksum_tg_init(void) { return xt_register_target(&checksum_tg_reg); } static void __exit checksum_tg_exit(void) { xt_unregister_target(&checksum_tg_reg); } module_init(checksum_tg_init); module_exit(checksum_tg_exit); t/dsa?h=nds-private-remove&id=dc371700d43e45ed9bf380746e293f063113c2b1'>treecommitdiff
path: root/net/dsa
AgeCommit message (Expand)AuthorFilesLines
2017-02-09net: dsa: Fix duplicate object ruleFlorian Fainelli1-1/+0
2017-02-07net: dsa: Do not clobber PHY link outside of state machineFlorian Fainelli1-7/+3
2017-02-07net: dsa: Add support for platform dataFlorian Fainelli1-18/+84
2017-02-07net: dsa: Rename and export dev_to_net_device()Florian Fainelli1-2/+3
2017-02-06net: dsa: introduce bridge notifierVivien Didelot2-11/+61
2017-02-06net: dsa: add switch notifierVivien Didelot5-0/+70
2017-02-06net: dsa: change state setter scopeVivien Didelot1-6/+9
2017-02-06net: dsa: rollback bridging on errorVivien Didelot1-1/+13
2017-02-06net: dsa: simplify netdevice events handlingVivien Didelot1-28/+16
2017-02-06net: dsa: move netdevice notifier registrationVivien Didelot3-10/+26