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bridge-utils: fix build with musl

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Apply a patch that removes direct include of kernel headers to avoid conflict
of definitions.

Fixes:
http://autobuild.buildroot.net/results/4aa/4aaeca4f1fca1794b039d7255a1828ff724f2234/
http://autobuild.buildroot.net/results/b48/b48a70137a4a568b31337f899fd21d05552db5e2/
http://autobuild.buildroot.net/results/bff/bff5767fc7e821a7674ee022111db84e4a9449d0/

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Baruch Siach 2016-11-03 07:53:50 +02:00 committed by Thomas Petazzoni
parent 8f97c8b9c9
commit a167081c5d
1 changed files with 140 additions and 0 deletions
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140
package/bridge-utils/0002-libbridge-fix-headers-conflict-with-musl-libc.patch Normal file
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@ -0,0 +1,140 @@
From 24e5409190820a14e4d097924b1acaab62bb3b99 Mon Sep 17 00:00:00 2001
From: Baruch Siach <baruch@tkos.co.il>
Date: Sun, 30 Oct 2016 18:12:00 +0200
Subject: [PATCH] libbridge: fix headers conflict with musl libc
Don't including kernel headers directly to avoid headers conflict like:
In file included from .../sysroot/usr/include/linux/if_bridge.h:18:0,
from libbridge.h:26,
from libbridge_if.c:26:
.../sysroot/usr/include/linux/in6.h:32:8: error: redefinition of ‘struct in6_addr’
struct in6_addr {
^
In file included from libbridge.h:24:0,
from libbridge_if.c:26:
.../sysroot/usr/include/netinet/in.h:23:8: note: originally defined here
struct in6_addr {
^
Instead copy the required linux/if_bridge.h definitions into
libbridge_private.h.
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
---
Patch status: Nacked
(https://lists.linuxfoundation.org/pipermail/bridge/2016-November/010107.html)
---
libbridge/libbridge.h | 1 -
libbridge/libbridge_private.h | 83 ++++++++++++++++++++++++++++++++++++++++++-
2 files changed, 82 insertions(+), 2 deletions(-)
diff --git a/libbridge/libbridge.h b/libbridge/libbridge.h
index ff047f933cd6..18b40cd90413 100644
--- a/libbridge/libbridge.h
+++ b/libbridge/libbridge.h
@@ -23,7 +23,6 @@
#include <sys/socket.h>
#include <netinet/in.h>
#include <linux/if.h>
-#include <linux/if_bridge.h>
/* defined in net/if.h but that conflicts with linux/if.h... */
extern unsigned int if_nametoindex (const char *__ifname);
diff --git a/libbridge/libbridge_private.h b/libbridge/libbridge_private.h
index 99a511dae00a..565025b7bccb 100644
--- a/libbridge/libbridge_private.h
+++ b/libbridge/libbridge_private.h
@@ -24,7 +24,88 @@
#include <linux/sockios.h>
#include <sys/time.h>
#include <sys/ioctl.h>
-#include <linux/if_bridge.h>
+
+/* From linux/if_ether.h */
+#ifndef ETH_ALEN
+#define ETH_ALEN 6
+#endif
+
+/* From linux/if_bridge.h */
+#ifndef BRCTL_GET_VERSION
+#define BRCTL_GET_VERSION 0
+#define BRCTL_GET_BRIDGES 1
+#define BRCTL_ADD_BRIDGE 2
+#define BRCTL_DEL_BRIDGE 3
+#define BRCTL_ADD_IF 4
+#define BRCTL_DEL_IF 5
+#define BRCTL_GET_BRIDGE_INFO 6
+#define BRCTL_GET_PORT_LIST 7
+#define BRCTL_SET_BRIDGE_FORWARD_DELAY 8
+#define BRCTL_SET_BRIDGE_HELLO_TIME 9
+#define BRCTL_SET_BRIDGE_MAX_AGE 10
+#define BRCTL_SET_AGEING_TIME 11
+#define BRCTL_SET_GC_INTERVAL 12
+#define BRCTL_GET_PORT_INFO 13
+#define BRCTL_SET_BRIDGE_STP_STATE 14
+#define BRCTL_SET_BRIDGE_PRIORITY 15
+#define BRCTL_SET_PORT_PRIORITY 16
+#define BRCTL_SET_PATH_COST 17
+#define BRCTL_GET_FDB_ENTRIES 18
+
+#define BR_STATE_DISABLED 0
+#define BR_STATE_LISTENING 1
+#define BR_STATE_LEARNING 2
+#define BR_STATE_FORWARDING 3
+#define BR_STATE_BLOCKING 4
+
+struct __bridge_info {
+ __u64 designated_root;
+ __u64 bridge_id;
+ __u32 root_path_cost;
+ __u32 max_age;
+ __u32 hello_time;
+ __u32 forward_delay;
+ __u32 bridge_max_age;
+ __u32 bridge_hello_time;
+ __u32 bridge_forward_delay;
+ __u8 topology_change;
+ __u8 topology_change_detected;
+ __u8 root_port;
+ __u8 stp_enabled;
+ __u32 ageing_time;
+ __u32 gc_interval;
+ __u32 hello_timer_value;
+ __u32 tcn_timer_value;
+ __u32 topology_change_timer_value;
+ __u32 gc_timer_value;
+};
+
+struct __port_info {
+ __u64 designated_root;
+ __u64 designated_bridge;
+ __u16 port_id;
+ __u16 designated_port;
+ __u32 path_cost;
+ __u32 designated_cost;
+ __u8 state;
+ __u8 top_change_ack;
+ __u8 config_pending;
+ __u8 unused0;
+ __u32 message_age_timer_value;
+ __u32 forward_delay_timer_value;
+ __u32 hold_timer_value;
+};
+
+struct __fdb_entry {
+ __u8 mac_addr[ETH_ALEN];
+ __u8 port_no;
+ __u8 is_local;
+ __u32 ageing_timer_value;
+ __u8 port_hi;
+ __u8 pad0;
+ __u16 unused;
+};
+#endif /* BRCTL_GET_VERSION */
#define MAX_BRIDGES 1024
#define MAX_PORTS 1024
--
2.10.1