1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun #ifndef NET_COMPAT_H 3*4882a593Smuzhiyun #define NET_COMPAT_H 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun struct sock; 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun #if defined(CONFIG_COMPAT) 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun #include <linux/compat.h> 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun struct compat_msghdr { 13*4882a593Smuzhiyun compat_uptr_t msg_name; /* void * */ 14*4882a593Smuzhiyun compat_int_t msg_namelen; 15*4882a593Smuzhiyun compat_uptr_t msg_iov; /* struct compat_iovec * */ 16*4882a593Smuzhiyun compat_size_t msg_iovlen; 17*4882a593Smuzhiyun compat_uptr_t msg_control; /* void * */ 18*4882a593Smuzhiyun compat_size_t msg_controllen; 19*4882a593Smuzhiyun compat_uint_t msg_flags; 20*4882a593Smuzhiyun }; 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun struct compat_mmsghdr { 23*4882a593Smuzhiyun struct compat_msghdr msg_hdr; 24*4882a593Smuzhiyun compat_uint_t msg_len; 25*4882a593Smuzhiyun }; 26*4882a593Smuzhiyun 27*4882a593Smuzhiyun struct compat_cmsghdr { 28*4882a593Smuzhiyun compat_size_t cmsg_len; 29*4882a593Smuzhiyun compat_int_t cmsg_level; 30*4882a593Smuzhiyun compat_int_t cmsg_type; 31*4882a593Smuzhiyun }; 32*4882a593Smuzhiyun 33*4882a593Smuzhiyun struct compat_rtentry { 34*4882a593Smuzhiyun u32 rt_pad1; 35*4882a593Smuzhiyun struct sockaddr rt_dst; /* target address */ 36*4882a593Smuzhiyun struct sockaddr rt_gateway; /* gateway addr (RTF_GATEWAY) */ 37*4882a593Smuzhiyun struct sockaddr rt_genmask; /* target network mask (IP) */ 38*4882a593Smuzhiyun unsigned short rt_flags; 39*4882a593Smuzhiyun short rt_pad2; 40*4882a593Smuzhiyun u32 rt_pad3; 41*4882a593Smuzhiyun unsigned char rt_tos; 42*4882a593Smuzhiyun unsigned char rt_class; 43*4882a593Smuzhiyun short rt_pad4; 44*4882a593Smuzhiyun short rt_metric; /* +1 for binary compatibility! */ 45*4882a593Smuzhiyun compat_uptr_t rt_dev; /* forcing the device at add */ 46*4882a593Smuzhiyun u32 rt_mtu; /* per route MTU/Window */ 47*4882a593Smuzhiyun u32 rt_window; /* Window clamping */ 48*4882a593Smuzhiyun unsigned short rt_irtt; /* Initial RTT */ 49*4882a593Smuzhiyun }; 50*4882a593Smuzhiyun 51*4882a593Smuzhiyun #else /* defined(CONFIG_COMPAT) */ 52*4882a593Smuzhiyun /* 53*4882a593Smuzhiyun * To avoid compiler warnings: 54*4882a593Smuzhiyun */ 55*4882a593Smuzhiyun #define compat_msghdr msghdr 56*4882a593Smuzhiyun #define compat_mmsghdr mmsghdr 57*4882a593Smuzhiyun #endif /* defined(CONFIG_COMPAT) */ 58*4882a593Smuzhiyun 59*4882a593Smuzhiyun int __get_compat_msghdr(struct msghdr *kmsg, struct compat_msghdr __user *umsg, 60*4882a593Smuzhiyun struct sockaddr __user **save_addr, compat_uptr_t *ptr, 61*4882a593Smuzhiyun compat_size_t *len); 62*4882a593Smuzhiyun int get_compat_msghdr(struct msghdr *, struct compat_msghdr __user *, 63*4882a593Smuzhiyun struct sockaddr __user **, struct iovec **); 64*4882a593Smuzhiyun int put_cmsg_compat(struct msghdr*, int, int, int, void *); 65*4882a593Smuzhiyun 66*4882a593Smuzhiyun int cmsghdr_from_user_compat_to_kern(struct msghdr *, struct sock *, 67*4882a593Smuzhiyun unsigned char *, int); 68*4882a593Smuzhiyun 69*4882a593Smuzhiyun struct compat_group_req { 70*4882a593Smuzhiyun __u32 gr_interface; 71*4882a593Smuzhiyun struct __kernel_sockaddr_storage gr_group 72*4882a593Smuzhiyun __aligned(4); 73*4882a593Smuzhiyun } __packed; 74*4882a593Smuzhiyun 75*4882a593Smuzhiyun struct compat_group_source_req { 76*4882a593Smuzhiyun __u32 gsr_interface; 77*4882a593Smuzhiyun struct __kernel_sockaddr_storage gsr_group 78*4882a593Smuzhiyun __aligned(4); 79*4882a593Smuzhiyun struct __kernel_sockaddr_storage gsr_source 80*4882a593Smuzhiyun __aligned(4); 81*4882a593Smuzhiyun } __packed; 82*4882a593Smuzhiyun 83*4882a593Smuzhiyun struct compat_group_filter { 84*4882a593Smuzhiyun __u32 gf_interface; 85*4882a593Smuzhiyun struct __kernel_sockaddr_storage gf_group 86*4882a593Smuzhiyun __aligned(4); 87*4882a593Smuzhiyun __u32 gf_fmode; 88*4882a593Smuzhiyun __u32 gf_numsrc; 89*4882a593Smuzhiyun struct __kernel_sockaddr_storage gf_slist[1] 90*4882a593Smuzhiyun __aligned(4); 91*4882a593Smuzhiyun } __packed; 92*4882a593Smuzhiyun 93*4882a593Smuzhiyun #endif /* NET_COMPAT_H */ 94