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netfilter: switch nf_setsockopt to sockptr_t

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Pass a sockptr_t to prepare for set_fs-less handling of the kernel
pointer from bpf-cgroup.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Christoph Hellwig
2020-07-23 08:08:54 +02:00
committed by David S. Miller
parent ab214d1bf8
commit c2f12630c6
10 changed files with 68 additions and 66 deletions
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6
include/linux/netfilter.h
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@@ -13,6 +13,7 @@
#include <linux/static_key.h>
#include <linux/netfilter_defs.h>
#include <linux/netdevice.h>
#include <linux/sockptr.h>
#include <net/net_namespace.h>
static inline int NF_DROP_GETERR(int verdict)
@@ -163,7 +164,8 @@ struct nf_sockopt_ops {
/* Non-inclusive ranges: use 0/0/NULL to never get called. */
int set_optmin;
int set_optmax;
int (*set)(struct sock *sk, int optval, void __user *user, unsigned int len);
int (*set)(struct sock *sk, int optval, sockptr_t arg,
unsigned int len);
int get_optmin;
int get_optmax;
int (*get)(struct sock *sk, int optval, void __user *user, int *len);
@@ -338,7 +340,7 @@ NF_HOOK_LIST(uint8_t pf, unsigned int hook, struct net *net, struct sock *sk,
}
/* Call setsockopt() */
int nf_setsockopt(struct sock *sk, u_int8_t pf, int optval, char __user *opt,
int nf_setsockopt(struct sock *sk, u_int8_t pf, int optval, sockptr_t opt,
unsigned int len);
int nf_getsockopt(struct sock *sk, u_int8_t pf, int optval, char __user *opt,
int *len);