fa401693d9
Make some network uapi headers detect if they are included after not only glibc but also musl headers. Signed-off-by: Jonas Gorski <jogo@openwrt.org> SVN-Revision: 46161
147 lines
4.4 KiB
Diff
147 lines
4.4 KiB
Diff
From 279c6c7fa64f5763e6b9f05e7ab3840092e702e7 Mon Sep 17 00:00:00 2001
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From: Stephen Hemminger <stephen@networkplumber.org>
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Date: Mon, 29 Jun 2015 14:57:48 -1000
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Subject: [PATCH] api: fix compatibility of linux/in.h with netinet/in.h
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u
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This fixes breakage to iproute2 build with recent kernel headers
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caused by:
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commit a263653ed798216c0069922d7b5237ca49436007
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Author: Pablo Neira Ayuso <pablo@netfilter.org>
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Date: Wed Jun 17 10:28:27 2015 -0500
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netfilter: don't pull include/linux/netfilter.h from netns headers
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The issue is that definitions in linux/in.h overlap with those
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in netinet/in.h. This patch solves this by introducing the same
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mechanism as was used to solve the same problem with linux/in6.h
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Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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---
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include/uapi/linux/in.h | 16 +++++++++++++---
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include/uapi/linux/libc-compat.h | 22 ++++++++++++++++++++++
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2 files changed, 35 insertions(+), 3 deletions(-)
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--- a/include/uapi/linux/in.h
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+++ b/include/uapi/linux/in.h
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@@ -19,8 +19,10 @@
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#define _UAPI_LINUX_IN_H
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#include <linux/types.h>
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+#include <linux/libc-compat.h>
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#include <linux/socket.h>
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+#if __UAPI_DEF_IN_IPPROTO
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/* Standard well-defined IP protocols. */
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enum {
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IPPROTO_IP = 0, /* Dummy protocol for TCP */
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@@ -73,12 +75,14 @@ enum {
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#define IPPROTO_RAW IPPROTO_RAW
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IPPROTO_MAX
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};
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+#endif
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-
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+#if __UAPI_DEF_IN_ADDR
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/* Internet address. */
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struct in_addr {
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__be32 s_addr;
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};
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+#endif
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#define IP_TOS 1
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#define IP_TTL 2
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@@ -154,6 +158,7 @@ struct in_addr {
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/* Request struct for multicast socket ops */
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+#if __UAPI_DEF_IP_MREQ
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struct ip_mreq {
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struct in_addr imr_multiaddr; /* IP multicast address of group */
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struct in_addr imr_interface; /* local IP address of interface */
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@@ -205,14 +210,18 @@ struct group_filter {
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#define GROUP_FILTER_SIZE(numsrc) \
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(sizeof(struct group_filter) - sizeof(struct __kernel_sockaddr_storage) \
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+ (numsrc) * sizeof(struct __kernel_sockaddr_storage))
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+#endif
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+#if __UAPI_DEF_IN_PKTINFO
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struct in_pktinfo {
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int ipi_ifindex;
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struct in_addr ipi_spec_dst;
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struct in_addr ipi_addr;
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};
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+#endif
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/* Structure describing an Internet (IP) socket address. */
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+#if __UAPI_DEF_SOCKADDR_IN
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#define __SOCK_SIZE__ 16 /* sizeof(struct sockaddr) */
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struct sockaddr_in {
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__kernel_sa_family_t sin_family; /* Address family */
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@@ -224,8 +233,9 @@ struct sockaddr_in {
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sizeof(unsigned short int) - sizeof(struct in_addr)];
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};
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#define sin_zero __pad /* for BSD UNIX comp. -FvK */
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+#endif
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-
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+#if __UAPI_DEF_IN_CLASS
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/*
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* Definitions of the bits in an Internet address integer.
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* On subnets, host and network parts are found according
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@@ -276,7 +286,7 @@ struct sockaddr_in {
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#define INADDR_ALLHOSTS_GROUP 0xe0000001U /* 224.0.0.1 */
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#define INADDR_ALLRTRS_GROUP 0xe0000002U /* 224.0.0.2 */
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#define INADDR_MAX_LOCAL_GROUP 0xe00000ffU /* 224.0.0.255 */
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-
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+#endif
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/* <asm/byteorder.h> contains the htonl type stuff.. */
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#include <asm/byteorder.h>
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--- a/include/uapi/linux/libc-compat.h
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+++ b/include/uapi/linux/libc-compat.h
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@@ -56,6 +56,13 @@
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/* GLIBC headers included first so don't define anything
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* that would already be defined. */
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+#define __UAPI_DEF_IN_ADDR 0
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+#define __UAPI_DEF_IN_IPPROTO 0
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+#define __UAPI_DEF_IN_PKTINFO 0
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+#define __UAPI_DEF_IP_MREQ 0
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+#define __UAPI_DEF_SOCKADDR_IN 0
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+#define __UAPI_DEF_IN_CLASS 0
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+
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#define __UAPI_DEF_IN6_ADDR 0
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/* The exception is the in6_addr macros which must be defined
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* if the glibc code didn't define them. This guard matches
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@@ -76,6 +83,13 @@
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/* Linux headers included first, and we must define everything
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* we need. The expectation is that glibc will check the
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* __UAPI_DEF_* defines and adjust appropriately. */
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+#define __UAPI_DEF_IN_ADDR 1
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+#define __UAPI_DEF_IN_IPPROTO 1
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+#define __UAPI_DEF_IN_PKTINFO 1
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+#define __UAPI_DEF_IP_MREQ 1
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+#define __UAPI_DEF_SOCKADDR_IN 1
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+#define __UAPI_DEF_IN_CLASS 1
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+
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#define __UAPI_DEF_IN6_ADDR 1
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/* We unconditionally define the in6_addr macros and glibc must
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* coordinate. */
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@@ -99,6 +113,14 @@
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* that we need. */
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#else /* !defined(__GLIBC__) */
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+/* Definitions for in.h */
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+#define __UAPI_DEF_IN_ADDR 1
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+#define __UAPI_DEF_IN_IPPROTO 1
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+#define __UAPI_DEF_IN_PKTINFO 1
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+#define __UAPI_DEF_IP_MREQ 1
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+#define __UAPI_DEF_SOCKADDR_IN 1
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+#define __UAPI_DEF_IN_CLASS 1
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+
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/* Definitions for in6.h */
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#define __UAPI_DEF_IN6_ADDR 1
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#define __UAPI_DEF_IN6_ADDR_ALT 1
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