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Commit 62fc8051 authored by Jan Engelhardt's avatar Jan Engelhardt
Browse files

netfilter: xtables: deconstify struct xt_action_param for matches 



In future, layer-3 matches will be an xt module of their own, and
need to set the fragoff and thoff fields. Adding more pointers would
needlessy increase memory requirements (esp. so for 64-bit, where
pointers are wider).

Signed-off-by: default avatarJan Engelhardt <jengelh@medozas.de>
parent 4b560b44

include/linux/netfilter/x_tables.h

+1 −1
Original line number Diff line number Diff line
@@ -288,7 +288,7 @@ struct xt_match { 
	   non-linear skb, using skb_header_pointer and

	   skb_ip_make_writable. */

	bool (*match)(const struct sk_buff *skb,

		      const struct xt_action_param *);

		      struct xt_action_param *);



	/* Called when user tries to insert an entry of this type. */

	int (*checkentry)(const struct xt_mtchk_param *);

net/bridge/netfilter/ebt_802_3.c

+1 −1
Original line number Diff line number Diff line
@@ -13,7 +13,7 @@ 
#include <linux/netfilter_bridge/ebt_802_3.h>



static bool

ebt_802_3_mt(const struct sk_buff *skb, const struct xt_action_param *par)

ebt_802_3_mt(const struct sk_buff *skb, struct xt_action_param *par)

{

	const struct ebt_802_3_info *info = par->matchinfo;

	const struct ebt_802_3_hdr *hdr = ebt_802_3_hdr(skb);

net/bridge/netfilter/ebt_among.c

+1 −1
Original line number Diff line number Diff line
@@ -129,7 +129,7 @@ static int get_ip_src(const struct sk_buff *skb, __be32 *addr) 
}



static bool

ebt_among_mt(const struct sk_buff *skb, const struct xt_action_param *par)

ebt_among_mt(const struct sk_buff *skb, struct xt_action_param *par)

{

	const struct ebt_among_info *info = par->matchinfo;

	const char *dmac, *smac;

net/bridge/netfilter/ebt_arp.c

+1 −1
Original line number Diff line number Diff line
@@ -16,7 +16,7 @@ 
#include <linux/netfilter_bridge/ebt_arp.h>



static bool

ebt_arp_mt(const struct sk_buff *skb, const struct xt_action_param *par)

ebt_arp_mt(const struct sk_buff *skb, struct xt_action_param *par)

{

	const struct ebt_arp_info *info = par->matchinfo;

	const struct arphdr *ah;

net/bridge/netfilter/ebt_ip.c

+1 −1
Original line number Diff line number Diff line
@@ -25,7 +25,7 @@ struct tcpudphdr { 
};



static bool

ebt_ip_mt(const struct sk_buff *skb, const struct xt_action_param *par)

ebt_ip_mt(const struct sk_buff *skb, struct xt_action_param *par)

{

	const struct ebt_ip_info *info = par->matchinfo;

	const struct iphdr *ih;