compat.h (2586B)
1/* SPDX-License-Identifier: GPL-2.0 */ 2#ifndef NET_COMPAT_H 3#define NET_COMPAT_H 4 5 6struct sock; 7 8#include <linux/compat.h> 9 10struct compat_msghdr { 11 compat_uptr_t msg_name; /* void * */ 12 compat_int_t msg_namelen; 13 compat_uptr_t msg_iov; /* struct compat_iovec * */ 14 compat_size_t msg_iovlen; 15 compat_uptr_t msg_control; /* void * */ 16 compat_size_t msg_controllen; 17 compat_uint_t msg_flags; 18}; 19 20struct compat_mmsghdr { 21 struct compat_msghdr msg_hdr; 22 compat_uint_t msg_len; 23}; 24 25struct compat_cmsghdr { 26 compat_size_t cmsg_len; 27 compat_int_t cmsg_level; 28 compat_int_t cmsg_type; 29}; 30 31struct compat_rtentry { 32 u32 rt_pad1; 33 struct sockaddr rt_dst; /* target address */ 34 struct sockaddr rt_gateway; /* gateway addr (RTF_GATEWAY) */ 35 struct sockaddr rt_genmask; /* target network mask (IP) */ 36 unsigned short rt_flags; 37 short rt_pad2; 38 u32 rt_pad3; 39 unsigned char rt_tos; 40 unsigned char rt_class; 41 short rt_pad4; 42 short rt_metric; /* +1 for binary compatibility! */ 43 compat_uptr_t rt_dev; /* forcing the device at add */ 44 u32 rt_mtu; /* per route MTU/Window */ 45 u32 rt_window; /* Window clamping */ 46 unsigned short rt_irtt; /* Initial RTT */ 47}; 48 49int __get_compat_msghdr(struct msghdr *kmsg, struct compat_msghdr __user *umsg, 50 struct sockaddr __user **save_addr, compat_uptr_t *ptr, 51 compat_size_t *len); 52int get_compat_msghdr(struct msghdr *, struct compat_msghdr __user *, 53 struct sockaddr __user **, struct iovec **); 54int put_cmsg_compat(struct msghdr*, int, int, int, void *); 55 56int cmsghdr_from_user_compat_to_kern(struct msghdr *, struct sock *, 57 unsigned char *, int); 58 59struct compat_group_req { 60 __u32 gr_interface; 61 struct __kernel_sockaddr_storage gr_group 62 __aligned(4); 63} __packed; 64 65struct compat_group_source_req { 66 __u32 gsr_interface; 67 struct __kernel_sockaddr_storage gsr_group 68 __aligned(4); 69 struct __kernel_sockaddr_storage gsr_source 70 __aligned(4); 71} __packed; 72 73struct compat_group_filter { 74 union { 75 struct { 76 __u32 gf_interface_aux; 77 struct __kernel_sockaddr_storage gf_group_aux 78 __aligned(4); 79 __u32 gf_fmode_aux; 80 __u32 gf_numsrc_aux; 81 struct __kernel_sockaddr_storage gf_slist[1] 82 __aligned(4); 83 } __packed; 84 struct { 85 __u32 gf_interface; 86 struct __kernel_sockaddr_storage gf_group 87 __aligned(4); 88 __u32 gf_fmode; 89 __u32 gf_numsrc; 90 struct __kernel_sockaddr_storage gf_slist_flex[] 91 __aligned(4); 92 } __packed; 93 }; 94} __packed; 95 96#endif /* NET_COMPAT_H */