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>
71 lines
1.7 KiB
C
71 lines
1.7 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* net/sched/act_meta_prio.c IFE skb->priority metadata module
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*
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* copyright Jamal Hadi Salim (2015)
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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 skbprio_check(struct sk_buff *skb, struct tcf_meta_info *e)
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{
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return ife_check_meta_u32(skb->priority, e);
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}
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static int skbprio_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 ifeprio = skb->priority; /* avoid having to cast skb->priority*/
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return ife_encode_meta_u32(ifeprio, skbdata, e);
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}
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static int skbprio_decode(struct sk_buff *skb, void *data, u16 len)
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{
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u32 ifeprio = *(u32 *)data;
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skb->priority = ntohl(ifeprio);
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return 0;
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}
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static struct tcf_meta_ops ife_prio_ops = {
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.metaid = IFE_META_PRIO,
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.metatype = NLA_U32,
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.name = "skbprio",
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.synopsis = "skb prio metadata",
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.check_presence = skbprio_check,
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.encode = skbprio_encode,
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.decode = skbprio_decode,
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.get = ife_get_meta_u32,
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.alloc = ife_alloc_meta_u32,
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.owner = THIS_MODULE,
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};
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static int __init ifeprio_init_module(void)
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{
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return register_ife_op(&ife_prio_ops);
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}
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static void __exit ifeprio_cleanup_module(void)
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{
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unregister_ife_op(&ife_prio_ops);
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}
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module_init(ifeprio_init_module);
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module_exit(ifeprio_cleanup_module);
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MODULE_AUTHOR("Jamal Hadi Salim(2015)");
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MODULE_DESCRIPTION("Inter-FE skb prio metadata action");
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MODULE_LICENSE("GPL");
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MODULE_ALIAS_IFE_META("skbprio");
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