/*
 * net/sched/act_meta_prio.c IFE skb->priority metadata module
 *
 *		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.
 *
 * copyright Jamal Hadi Salim (2015)
 *
*/

#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/errno.h>
#include <linux/skbuff.h>
#include <linux/rtnetlink.h>
#include <linux/module.h>
#include <linux/init.h>
#include <net/netlink.h>
#include <net/pkt_sched.h>
#include <uapi/linux/tc_act/tc_ife.h>
#include <net/tc_act/tc_ife.h>

static int skbprio_check(struct sk_buff *skb, struct tcf_meta_info *e)
{
	return ife_check_meta_u32(skb->priority, e);
}

static int skbprio_encode(struct sk_buff *skb, void *skbdata,
			  struct tcf_meta_info *e)
{
	u32 ifeprio = skb->priority; /* avoid having to cast skb->priority*/

	return ife_encode_meta_u32(ifeprio, skbdata, e);
}

static int skbprio_decode(struct sk_buff *skb, void *data, u16 len)
{
	u32 ifeprio = *(u32 *)data;

	skb->priority = ntohl(ifeprio);
	return 0;
}

static struct tcf_meta_ops ife_prio_ops = {
	.metaid = IFE_META_PRIO,
	.metatype = NLA_U32,
	.name = "skbprio",
	.synopsis = "skb prio metadata",
	.check_presence = skbprio_check,
	.encode = skbprio_encode,
	.decode = skbprio_decode,
	.get = ife_get_meta_u32,
	.alloc = ife_alloc_meta_u32,
	.owner = THIS_MODULE,
};

static int __init ifeprio_init_module(void)
{
	return register_ife_op(&ife_prio_ops);
}

static void __exit ifeprio_cleanup_module(void)
{
	unregister_ife_op(&ife_prio_ops);
}

module_init(ifeprio_init_module);
module_exit(ifeprio_cleanup_module);

MODULE_AUTHOR("Jamal Hadi Salim(2015)");
MODULE_DESCRIPTION("Inter-FE skb prio metadata action");
MODULE_LICENSE("GPL");
MODULE_ALIAS_IFE_META(IFE_META_PRIO);
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/log/?id=57480b98af696795ab0daff0a6ed572172060a0f&amp;showmsg=1'>root</a>/<a href='/cgit.cgi/linux/net-next.git/log/net?id=57480b98af696795ab0daff0a6ed572172060a0f&amp;showmsg=1'>net</a>/<a href='/cgit.cgi/linux/net-next.git/log/net/mac80211?id=57480b98af696795ab0daff0a6ed572172060a0f&amp;showmsg=1'>mac80211</a>/<a href='/cgit.cgi/linux/net-next.git/log/net/mac80211/debugfs_netdev.h?id=57480b98af696795ab0daff0a6ed572172060a0f&amp;showmsg=1'>debugfs_netdev.h</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/cgit.cgi/linux/net-next.git/log/net/mac80211/debugfs_netdev.h?id=57480b98af696795ab0daff0a6ed572172060a0f'>Collapse</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>
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<tr><th>author</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2017-01-30 15:47:19 -0800</td></tr>
<tr><th>committer</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2017-01-30 15:47:19 -0800</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/llc/llc_s_ac.c?id=f9a42e0d58cf0fe3d902e63d4582f2ea4cd2bb8b'>f9a42e0d58cf0fe3d902e63d4582f2ea4cd2bb8b</a> (<a href='/cgit.cgi/linux/net-next.git/patch/net/llc/llc_s_ac.c?id=f9a42e0d58cf0fe3d902e63d4582f2ea4cd2bb8b'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=f9a42e0d58cf0fe3d902e63d4582f2ea4cd2bb8b'>4078d3ae27d4ebb85bdcd4d84e9b9a4d059f22bb</a> /<a href='/cgit.cgi/linux/net-next.git/tree/net/llc/llc_s_ac.c?id=f9a42e0d58cf0fe3d902e63d4582f2ea4cd2bb8b'>net/llc/llc_s_ac.c</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/llc/llc_s_ac.c?id=751321b3dd5040dc5be19bd23f985e80c914621a'>751321b3dd5040dc5be19bd23f985e80c914621a</a> (<a href='/cgit.cgi/linux/net-next.git/diff/net/llc/llc_s_ac.c?id=f9a42e0d58cf0fe3d902e63d4582f2ea4cd2bb8b&amp;id2=751321b3dd5040dc5be19bd23f985e80c914621a'>diff</a>)</td></tr><tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/llc/llc_s_ac.c?id=54791b276b4000b307339f269d3bf7db877d536f'>54791b276b4000b307339f269d3bf7db877d536f</a> (<a href='/cgit.cgi/linux/net-next.git/diff/net/llc/llc_s_ac.c?id=f9a42e0d58cf0fe3d902e63d4582f2ea4cd2bb8b&amp;id2=54791b276b4000b307339f269d3bf7db877d536f'>diff</a>)</td></tr></table>
<div class='commit-subject'>Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc</div><div class='commit-msg'>Pull sparc fixes from David Miller:
 "Several small bug fixes and tidies, along with a fix for non-resumable
  memory errors triggered by userspace"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
  sparc64: Handle PIO &amp; MEM non-resumable errors.
  sparc64: Zero pages on allocation for mondo and error queues.
  sparc: Fixed typo in sstate.c. Replaced panicing with panicking
  sparc: use symbolic names for tsb indexing
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=f9a42e0d58cf0fe3d902e63d4582f2ea4cd2bb8b'>Diffstat</a> (limited to 'net/llc/llc_s_ac.c')</div><table summary='diffstat' class='diffstat'>