1*607ca46eSDavid Howells #ifndef _UAPI_LINUX_SOCKET_H 2*607ca46eSDavid Howells #define _UAPI_LINUX_SOCKET_H 3*607ca46eSDavid Howells 4*607ca46eSDavid Howells /* 5*607ca46eSDavid Howells * Desired design of maximum size and alignment (see RFC2553) 6*607ca46eSDavid Howells */ 7*607ca46eSDavid Howells #define _K_SS_MAXSIZE 128 /* Implementation specific max size */ 8*607ca46eSDavid Howells #define _K_SS_ALIGNSIZE (__alignof__ (struct sockaddr *)) 9*607ca46eSDavid Howells /* Implementation specific desired alignment */ 10*607ca46eSDavid Howells 11*607ca46eSDavid Howells typedef unsigned short __kernel_sa_family_t; 12*607ca46eSDavid Howells 13*607ca46eSDavid Howells struct __kernel_sockaddr_storage { 14*607ca46eSDavid Howells __kernel_sa_family_t ss_family; /* address family */ 15*607ca46eSDavid Howells /* Following field(s) are implementation specific */ 16*607ca46eSDavid Howells char __data[_K_SS_MAXSIZE - sizeof(unsigned short)]; 17*607ca46eSDavid Howells /* space to achieve desired size, */ 18*607ca46eSDavid Howells /* _SS_MAXSIZE value minus size of ss_family */ 19*607ca46eSDavid Howells } __attribute__ ((aligned(_K_SS_ALIGNSIZE))); /* force desired alignment */ 20*607ca46eSDavid Howells 21*607ca46eSDavid Howells #endif /* _UAPI_LINUX_SOCKET_H */ 22