2874c5fd28
Based on 1 normalized pattern(s): 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
74 lines
1.8 KiB
C
74 lines
1.8 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* net/sched/act_meta_tc_index.c IFE skb->tc_index metadata module
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*
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* copyright Jamal Hadi Salim (2016)
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*/
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#include <linux/types.h>
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#include <linux/kernel.h>
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#include <linux/string.h>
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#include <linux/errno.h>
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#include <linux/skbuff.h>
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#include <linux/rtnetlink.h>
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#include <linux/module.h>
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#include <linux/init.h>
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#include <net/netlink.h>
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#include <net/pkt_sched.h>
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#include <uapi/linux/tc_act/tc_ife.h>
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#include <net/tc_act/tc_ife.h>
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static int skbtcindex_encode(struct sk_buff *skb, void *skbdata,
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struct tcf_meta_info *e)
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{
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u32 ifetc_index = skb->tc_index;
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return ife_encode_meta_u16(ifetc_index, skbdata, e);
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}
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static int skbtcindex_decode(struct sk_buff *skb, void *data, u16 len)
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{
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u16 ifetc_index = *(u16 *)data;
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skb->tc_index = ntohs(ifetc_index);
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return 0;
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}
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static int skbtcindex_check(struct sk_buff *skb, struct tcf_meta_info *e)
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{
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return ife_check_meta_u16(skb->tc_index, e);
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}
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static struct tcf_meta_ops ife_skbtcindex_ops = {
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.metaid = IFE_META_TCINDEX,
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.metatype = NLA_U16,
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.name = "tc_index",
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.synopsis = "skb tc_index 16 bit metadata",
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.check_presence = skbtcindex_check,
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.encode = skbtcindex_encode,
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.decode = skbtcindex_decode,
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.get = ife_get_meta_u16,
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.alloc = ife_alloc_meta_u16,
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.release = ife_release_meta_gen,
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.validate = ife_validate_meta_u16,
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.owner = THIS_MODULE,
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};
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static int __init ifetc_index_init_module(void)
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{
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return register_ife_op(&ife_skbtcindex_ops);
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}
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static void __exit ifetc_index_cleanup_module(void)
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{
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unregister_ife_op(&ife_skbtcindex_ops);
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}
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module_init(ifetc_index_init_module);
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module_exit(ifetc_index_cleanup_module);
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MODULE_AUTHOR("Jamal Hadi Salim(2016)");
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MODULE_DESCRIPTION("Inter-FE skb tc_index metadata module");
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MODULE_LICENSE("GPL");
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MODULE_ALIAS_IFE_META("tcindex");
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