16f52b16cSGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2607ca46eSDavid Howells #ifndef _UAPI_LINUX_SOCKET_H 3607ca46eSDavid Howells #define _UAPI_LINUX_SOCKET_H 4607ca46eSDavid Howells 5607ca46eSDavid Howells /* 6607ca46eSDavid Howells * Desired design of maximum size and alignment (see RFC2553) 7607ca46eSDavid Howells */ 8607ca46eSDavid Howells #define _K_SS_MAXSIZE 128 /* Implementation specific max size */ 9607ca46eSDavid Howells 10607ca46eSDavid Howells typedef unsigned short __kernel_sa_family_t; 11607ca46eSDavid Howells 125e5412c3SQian Cai /* 135e5412c3SQian Cai * The definition uses anonymous union and struct in order to control the 145e5412c3SQian Cai * default alignment. 155e5412c3SQian Cai */ 16607ca46eSDavid Howells struct __kernel_sockaddr_storage { 175e5412c3SQian Cai union { 185e5412c3SQian Cai struct { 19607ca46eSDavid Howells __kernel_sa_family_t ss_family; /* address family */ 20607ca46eSDavid Howells /* Following field(s) are implementation specific */ 21607ca46eSDavid Howells char __data[_K_SS_MAXSIZE - sizeof(unsigned short)]; 22607ca46eSDavid Howells /* space to achieve desired size, */ 23607ca46eSDavid Howells /* _SS_MAXSIZE value minus size of ss_family */ 245e5412c3SQian Cai }; 255e5412c3SQian Cai void *__align; /* implementation specific desired alignment */ 265e5412c3SQian Cai }; 275e5412c3SQian Cai }; 28607ca46eSDavid Howells 2904190bf8SPavel Tikhomirov #define SOCK_SNDBUF_LOCK 1 3004190bf8SPavel Tikhomirov #define SOCK_RCVBUF_LOCK 2 3104190bf8SPavel Tikhomirov 3204190bf8SPavel Tikhomirov #define SOCK_BUF_LOCK_MASK (SOCK_SNDBUF_LOCK | SOCK_RCVBUF_LOCK) 3304190bf8SPavel Tikhomirov 34*8d3398baSTobias Klauser #define SOCK_TXREHASH_DEFAULT 255 35e187013aSAkhmat Karakotov #define SOCK_TXREHASH_DISABLED 0 36e187013aSAkhmat Karakotov #define SOCK_TXREHASH_ENABLED 1 37e187013aSAkhmat Karakotov 38607ca46eSDavid Howells #endif /* _UAPI_LINUX_SOCKET_H */ 39