LXR linux/tools/perf/include/bpf/linux/socket.h

   1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2#ifndef _UAPI_LINUX_SOCKET_H
   3#define _UAPI_LINUX_SOCKET_H
   4
   5/*
   6 * Desired design of maximum size and alignment (see RFC2553)
   7 */
   8#define _K_SS_MAXSIZE   128     /* Implementation specific max size */
   9#define _K_SS_ALIGNSIZE (__alignof__ (struct sockaddr *))
  10                                /* Implementation specific desired alignment */
  11
  12typedef unsigned short __kernel_sa_family_t;
  13
  14struct __kernel_sockaddr_storage {
  15        __kernel_sa_family_t    ss_family;              /* address family */
  16        /* Following field(s) are implementation specific */
  17        char            __data[_K_SS_MAXSIZE - sizeof(unsigned short)];
  18                                /* space to achieve desired size, */
  19                                /* _SS_MAXSIZE value minus size of ss_family */
  20} __attribute__ ((aligned(_K_SS_ALIGNSIZE)));   /* force desired alignment */
  21
  22#define sockaddr_storage __kernel_sockaddr_storage
  23
  24#endif /* _UAPI_LINUX_SOCKET_H */
  25