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proxyarp: Use C library header files and CONFIG_IPV6

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This replaces the use of Linux kernel header files (linux/ip.h,
linux/udp.h, linux/ipv6.h, and linux/icmpv6.h) with equivalent header
files from C library. In addition, ndisc_snoop.c is now built
conditionally on CONFIG_IPV6=y so that it is easier to handle hostapd
builds with toolchains that do not support IPv6 even if Hotspot 2.0 is
enabled in the build.

Signed-off-by: Jouni Malinen <j@w1.fi>
master
Jouni Malinen 10 years ago
parent a959a3b69d
commit a437378f98
4 changed files with 12 additions and 10 deletions
Show Stats Download Patch File Download Diff File

2
hostapd/Makefile
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@ -855,8 +855,10 @@ ifdef CONFIG_PROXYARP
CFLAGS += -DCONFIG_PROXYARP
OBJS += ../src/ap/x_snoop.o
OBJS += ../src/ap/dhcp_snoop.o
ifdef CONFIG_IPV6
OBJS += ../src/ap/ndisc_snoop.o
endif
endif
OBJS += ../src/drivers/driver_common.o

4
src/ap/dhcp_snoop.c
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@ -7,8 +7,8 @@
*/
#include "utils/includes.h"
#include <linux/ip.h>
#include <linux/udp.h>
#include <netinet/ip.h>
#include <netinet/udp.h>
#include "utils/common.h"
#include "l2_packet/l2_packet.h"

10
src/ap/ndisc_snoop.c
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@ -7,8 +7,8 @@
*/
#include "utils/includes.h"
#include <linux/ipv6.h>
#include <linux/icmpv6.h>
#include <netinet/ip6.h>
#include <netinet/icmp6.h>
#include "utils/common.h"
#include "l2_packet/l2_packet.h"
@ -24,8 +24,8 @@ struct ip6addr {
};
struct icmpv6_ndmsg {
struct ipv6hdr ipv6h;
struct icmp6hdr icmp6h;
struct ip6_hdr ipv6h;
struct icmp6_hdr icmp6h;
struct in6_addr target_addr;
u8 opt_type;
u8 len;
@ -98,7 +98,7 @@ static void handle_ndisc(void *ctx, const u8 *src_addr, const u8 *buf,
if (msg->opt_type != SOURCE_LL_ADDR)
return;
saddr = &msg->ipv6h.saddr;
saddr = &msg->ipv6h.ip6_src;
if (!(saddr->s6_addr32[0] == 0 && saddr->s6_addr32[1] == 0 &&
saddr->s6_addr32[2] == 0 && saddr->s6_addr32[3] == 0)) {
if (len < ETH_HLEN + sizeof(*msg) + ETH_ALEN)

6
src/ap/ndisc_snoop.h
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@ -9,13 +9,13 @@
#ifndef NDISC_SNOOP_H
#define NDISC_SNOOP_H
#ifdef CONFIG_PROXYARP
#if defined(CONFIG_PROXYARP) && defined(CONFIG_IPV6)
int ndisc_snoop_init(struct hostapd_data *hapd);
void ndisc_snoop_deinit(struct hostapd_data *hapd);
void sta_ip6addr_del(struct hostapd_data *hapd, struct sta_info *sta);
#else /* CONFIG_PROXYARP */
#else /* CONFIG_PROXYARP && CONFIG_IPV6 */
static inline int ndisc_snoop_init(struct hostapd_data *hapd)
{
@ -31,6 +31,6 @@ static inline void sta_ip6addr_del(struct hostapd_data *hapd,
{
}
#endif /* CONFIG_PROXYARP */
#endif /* CONFIG_PROXYARP && CONFIG_IPV6 */
#endif /* NDISC_SNOOP_H */

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