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netfilter: x_tables: add xt_find_table

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This will be used to obtain the xt_table struct given address family and
table name.

Followup patches will reduce the number of direct accesses to the xt_table
structures via net->ipv{4,6}.ip(6)table_{nat,mangle,...} pointers, then
remove them.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Florian Westphal
2021-04-21 09:51:01 +02:00
committed by Pablo Neira Ayuso
parent 7716bf090e
commit 1ef4d6d1af
2 changed files with 18 additions and 0 deletions
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include/linux/netfilter/x_tables.h
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@@ -322,6 +322,7 @@ struct xt_target *xt_request_find_target(u8 af, const char *name, u8 revision);
int xt_find_revision(u8 af, const char *name, u8 revision, int target,
int *err);
struct xt_table *xt_find_table(struct net *net, u8 af, const char *name);
struct xt_table *xt_find_table_lock(struct net *net, u_int8_t af,
const char *name);
struct xt_table *xt_request_find_table_lock(struct net *net, u_int8_t af,