socket(): Address family not supported by protocol?

[无华的平凡世界]

问题：
在X86平台，在PPC平台，以下程序运行正常，在ARM9平台下编译都通过了，但是一运行出现如下错误
socket(): Address family not supported by protocol

尝试了更改内核驱动，加载模块，还是没找到问题所在！
感觉还是哪里协议栈的问题请大侠指点！



#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <netinet/tcp.h>
#include <linux/sockios.h>
#include <net/if.h>
#include <net/route.h>
#include <linux/if_packet.h>
#include <linux/if_ether.h>
typedef struct sockaddr SA;
int main()
{
int sockfd;
struct sockaddr_ll sll;
struct ifreq ifr;

sockfd = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL));
if(sockfd < 0)
{
perror("socket()");
return -1;
}
memset(&sll, 0, sizeof(sll));
strcpy(ifr.ifr_name, "eth0");

ioctl(sockfd, SIOCGIFINDEX, &ifr);
sll.sll_family = AF_PACKET;
sll.sll_ifindex = ifr.ifr_ifindex;
sll.sll_protocol = htons(ETH_P_ALL);

if(bind(sockfd, (SA *)&sll, sizeof(sll)) < 0)
{
perror("bind()");
return -1;
}

return sockfd;


}

[armed]

zcat /proc/config.gz | grep CONFIG_PACKET

[无华的平凡世界]

原因找到了，是ap_packet.ko这个模块没加载

[hefa880]

楼主，请问您的ap_packet.ko这个模块在哪可以下载编译啊??我现在也遇到了这个问题


tcpdump.4.1.1: eth0: You don't have permission to capture on that device
(socket: Address family not supported by protocol)

求助~~