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authorJonas Gorski <jogo@openwrt.org>2015-07-03 11:48:45 +0000
committerJonas Gorski <jogo@openwrt.org>2015-07-03 11:48:45 +0000
commitfa401693d986997c9761116d32826dacadad816a (patch)
tree5c7d1e0cb6751c5d6e0c5922e9df895b01ec329c /target/linux/generic/patches-3.18/095-api-fix-compatibility-of-linux-in.h-with-netinet-in..patch
parent0abd6ce0cecf7a6dd7839120dc868b77232ae32c (diff)
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kernel: improve uapi headers coexistence with musl
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
Diffstat (limited to 'target/linux/generic/patches-3.18/095-api-fix-compatibility-of-linux-in.h-with-netinet-in..patch')
-rw-r--r--target/linux/generic/patches-3.18/095-api-fix-compatibility-of-linux-in.h-with-netinet-in..patch146
1 files changed, 146 insertions, 0 deletions
diff --git a/target/linux/generic/patches-3.18/095-api-fix-compatibility-of-linux-in.h-with-netinet-in..patch b/target/linux/generic/patches-3.18/095-api-fix-compatibility-of-linux-in.h-with-netinet-in..patch
new file mode 100644
index 0000000000..4c5cd596f7
--- /dev/null
+++ b/target/linux/generic/patches-3.18/095-api-fix-compatibility-of-linux-in.h-with-netinet-in..patch
@@ -0,0 +1,146 @@
+From 279c6c7fa64f5763e6b9f05e7ab3840092e702e7 Mon Sep 17 00:00:00 2001
+From: Stephen Hemminger <stephen@networkplumber.org>
+Date: Mon, 29 Jun 2015 14:57:48 -1000
+Subject: [PATCH] api: fix compatibility of linux/in.h with netinet/in.h
+
+u
+This fixes breakage to iproute2 build with recent kernel headers
+caused by:
+ commit a263653ed798216c0069922d7b5237ca49436007
+ Author: Pablo Neira Ayuso <pablo@netfilter.org>
+ Date: Wed Jun 17 10:28:27 2015 -0500
+
+ netfilter: don't pull include/linux/netfilter.h from netns headers
+
+The issue is that definitions in linux/in.h overlap with those
+in netinet/in.h. This patch solves this by introducing the same
+mechanism as was used to solve the same problem with linux/in6.h
+
+Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
+Signed-off-by: David S. Miller <davem@davemloft.net>
+---
+ include/uapi/linux/in.h | 16 +++++++++++++---
+ include/uapi/linux/libc-compat.h | 22 ++++++++++++++++++++++
+ 2 files changed, 35 insertions(+), 3 deletions(-)
+
+--- a/include/uapi/linux/in.h
++++ b/include/uapi/linux/in.h
+@@ -19,8 +19,10 @@
+ #define _UAPI_LINUX_IN_H
+
+ #include <linux/types.h>
++#include <linux/libc-compat.h>
+ #include <linux/socket.h>
+
++#if __UAPI_DEF_IN_IPPROTO
+ /* Standard well-defined IP protocols. */
+ enum {
+ IPPROTO_IP = 0, /* Dummy protocol for TCP */
+@@ -73,12 +75,14 @@ enum {
+ #define IPPROTO_RAW IPPROTO_RAW
+ IPPROTO_MAX
+ };
++#endif
+
+-
++#if __UAPI_DEF_IN_ADDR
+ /* Internet address. */
+ struct in_addr {
+ __be32 s_addr;
+ };
++#endif
+
+ #define IP_TOS 1
+ #define IP_TTL 2
+@@ -154,6 +158,7 @@ struct in_addr {
+
+ /* Request struct for multicast socket ops */
+
++#if __UAPI_DEF_IP_MREQ
+ struct ip_mreq {
+ struct in_addr imr_multiaddr; /* IP multicast address of group */
+ struct in_addr imr_interface; /* local IP address of interface */
+@@ -205,14 +210,18 @@ struct group_filter {
+ #define GROUP_FILTER_SIZE(numsrc) \
+ (sizeof(struct group_filter) - sizeof(struct __kernel_sockaddr_storage) \
+ + (numsrc) * sizeof(struct __kernel_sockaddr_storage))
++#endif
+
++#if __UAPI_DEF_IN_PKTINFO
+ struct in_pktinfo {
+ int ipi_ifindex;
+ struct in_addr ipi_spec_dst;
+ struct in_addr ipi_addr;
+ };
++#endif
+
+ /* Structure describing an Internet (IP) socket address. */
++#if __UAPI_DEF_SOCKADDR_IN
+ #define __SOCK_SIZE__ 16 /* sizeof(struct sockaddr) */
+ struct sockaddr_in {
+ __kernel_sa_family_t sin_family; /* Address family */
+@@ -224,8 +233,9 @@ struct sockaddr_in {
+ sizeof(unsigned short int) - sizeof(struct in_addr)];
+ };
+ #define sin_zero __pad /* for BSD UNIX comp. -FvK */
++#endif
+
+-
++#if __UAPI_DEF_IN_CLASS
+ /*
+ * Definitions of the bits in an Internet address integer.
+ * On subnets, host and network parts are found according
+@@ -276,7 +286,7 @@ struct sockaddr_in {
+ #define INADDR_ALLHOSTS_GROUP 0xe0000001U /* 224.0.0.1 */
+ #define INADDR_ALLRTRS_GROUP 0xe0000002U /* 224.0.0.2 */
+ #define INADDR_MAX_LOCAL_GROUP 0xe00000ffU /* 224.0.0.255 */
+-
++#endif
+
+ /* <asm/byteorder.h> contains the htonl type stuff.. */
+ #include <asm/byteorder.h>
+--- a/include/uapi/linux/libc-compat.h
++++ b/include/uapi/linux/libc-compat.h
+@@ -56,6 +56,13 @@
+
+ /* GLIBC headers included first so don't define anything
+ * that would already be defined. */
++#define __UAPI_DEF_IN_ADDR 0
++#define __UAPI_DEF_IN_IPPROTO 0
++#define __UAPI_DEF_IN_PKTINFO 0
++#define __UAPI_DEF_IP_MREQ 0
++#define __UAPI_DEF_SOCKADDR_IN 0
++#define __UAPI_DEF_IN_CLASS 0
++
+ #define __UAPI_DEF_IN6_ADDR 0
+ /* The exception is the in6_addr macros which must be defined
+ * if the glibc code didn't define them. This guard matches
+@@ -76,6 +83,13 @@
+ /* Linux headers included first, and we must define everything
+ * we need. The expectation is that glibc will check the
+ * __UAPI_DEF_* defines and adjust appropriately. */
++#define __UAPI_DEF_IN_ADDR 1
++#define __UAPI_DEF_IN_IPPROTO 1
++#define __UAPI_DEF_IN_PKTINFO 1
++#define __UAPI_DEF_IP_MREQ 1
++#define __UAPI_DEF_SOCKADDR_IN 1
++#define __UAPI_DEF_IN_CLASS 1
++
+ #define __UAPI_DEF_IN6_ADDR 1
+ /* We unconditionally define the in6_addr macros and glibc must
+ * coordinate. */
+@@ -99,6 +113,14 @@
+ * that we need. */
+ #else /* !defined(__GLIBC__) */
+
++/* Definitions for in.h */
++#define __UAPI_DEF_IN_ADDR 1
++#define __UAPI_DEF_IN_IPPROTO 1
++#define __UAPI_DEF_IN_PKTINFO 1
++#define __UAPI_DEF_IP_MREQ 1
++#define __UAPI_DEF_SOCKADDR_IN 1
++#define __UAPI_DEF_IN_CLASS 1
++
+ /* Definitions for in6.h */
+ #define __UAPI_DEF_IN6_ADDR 1
+ #define __UAPI_DEF_IN6_ADDR_ALT 1