forked from mirrors/linux
b03afaa82e
This is mostly to prepare for cleaning up the callers, as bpfilter by design can't handle kernel pointers. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
25 lines
791 B
C
25 lines
791 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _LINUX_BPFILTER_H
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#define _LINUX_BPFILTER_H
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#include <uapi/linux/bpfilter.h>
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#include <linux/usermode_driver.h>
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#include <linux/sockptr.h>
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struct sock;
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int bpfilter_ip_set_sockopt(struct sock *sk, int optname, sockptr_t optval,
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unsigned int optlen);
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int bpfilter_ip_get_sockopt(struct sock *sk, int optname, char __user *optval,
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int __user *optlen);
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void bpfilter_umh_cleanup(struct umd_info *info);
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struct bpfilter_umh_ops {
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struct umd_info info;
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/* since ip_getsockopt() can run in parallel, serialize access to umh */
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struct mutex lock;
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int (*sockopt)(struct sock *sk, int optname, sockptr_t optval,
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unsigned int optlen, bool is_set);
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int (*start)(void);
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};
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extern struct bpfilter_umh_ops bpfilter_ops;
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#endif
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