dc13c8761c
To prepare removing the global routing_ioctl hack start lifting the code into the ipv4 and appletalk ->compat_ioctl handlers. Unlike the existing handler we don't bother copying in the name - there are no compat issues for char arrays. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
78 lines
2.3 KiB
C
78 lines
2.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef NET_COMPAT_H
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#define NET_COMPAT_H
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struct sock;
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#if defined(CONFIG_COMPAT)
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#include <linux/compat.h>
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struct compat_msghdr {
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compat_uptr_t msg_name; /* void * */
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compat_int_t msg_namelen;
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compat_uptr_t msg_iov; /* struct compat_iovec * */
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compat_size_t msg_iovlen;
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compat_uptr_t msg_control; /* void * */
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compat_size_t msg_controllen;
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compat_uint_t msg_flags;
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};
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struct compat_mmsghdr {
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struct compat_msghdr msg_hdr;
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compat_uint_t msg_len;
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};
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struct compat_cmsghdr {
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compat_size_t cmsg_len;
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compat_int_t cmsg_level;
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compat_int_t cmsg_type;
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};
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struct compat_rtentry {
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u32 rt_pad1;
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struct sockaddr rt_dst; /* target address */
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struct sockaddr rt_gateway; /* gateway addr (RTF_GATEWAY) */
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struct sockaddr rt_genmask; /* target network mask (IP) */
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unsigned short rt_flags;
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short rt_pad2;
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u32 rt_pad3;
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unsigned char rt_tos;
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unsigned char rt_class;
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short rt_pad4;
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short rt_metric; /* +1 for binary compatibility! */
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compat_uptr_t rt_dev; /* forcing the device at add */
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u32 rt_mtu; /* per route MTU/Window */
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u32 rt_window; /* Window clamping */
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unsigned short rt_irtt; /* Initial RTT */
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};
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#else /* defined(CONFIG_COMPAT) */
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/*
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* To avoid compiler warnings:
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*/
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#define compat_msghdr msghdr
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#define compat_mmsghdr mmsghdr
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#endif /* defined(CONFIG_COMPAT) */
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int __get_compat_msghdr(struct msghdr *kmsg, struct compat_msghdr __user *umsg,
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struct sockaddr __user **save_addr, compat_uptr_t *ptr,
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compat_size_t *len);
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int get_compat_msghdr(struct msghdr *, struct compat_msghdr __user *,
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struct sockaddr __user **, struct iovec **);
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struct sock_fprog __user *get_compat_bpf_fprog(char __user *optval);
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int put_cmsg_compat(struct msghdr*, int, int, int, void *);
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int cmsghdr_from_user_compat_to_kern(struct msghdr *, struct sock *,
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unsigned char *, int);
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int compat_mc_setsockopt(struct sock *, int, int, char __user *, unsigned int,
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int (*)(struct sock *, int, int, char __user *,
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unsigned int));
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int compat_mc_getsockopt(struct sock *, int, int, char __user *, int __user *,
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int (*)(struct sock *, int, int, char __user *,
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int __user *));
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#endif /* NET_COMPAT_H */
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