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电梯直达

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发表于 2010-01-28 16:21 |只看该作者 |倒序浏览

刚接触这方面的知识，想给内核打个补丁，前面挺顺利的，PF_RING内核源码是官方上下载的
编译问题如下：
net/ring/ring_packet.c:159: error: conflicting types for 'ip_defrag'
include/net/ip.h:257: error: previous declaration of 'ip_defrag' was here
net/ring/ring_packet.c:159: error: conflicting types for 'ip_defrag'
include/net/ip.h:257: error: previous declaration of 'ip_defrag' was here
net/ring/ring_packet.c: In function `ring_gather_frags':
net/ring/ring_packet.c:273: warning: implicit declaration of function `ip_hdr'
net/ring/ring_packet.c:273: warning: passing arg 1 of `ip_send_check' makes pointer from integer without a cast
net/ring/ring_packet.c: In function `ring_proc_init':
net/ring/ring_packet.c:527: error: `init_net' undeclared (first use in this function)
net/ring/ring_packet.c:527: error: (Each undeclared identifier is reported only once
net/ring/ring_packet.c:527: error: for each function it appears in.)
net/ring/ring_packet.c: In function `ring_proc_term':
net/ring/ring_packet.c:559: error: `init_net' undeclared (first use in this function)
net/ring/ring_packet.c: In function `match_filtering_rule':
net/ring/ring_packet.c:990: error: structure has no member named `pattern'
net/ring/ring_packet.c:1008: error: storage size of 'state' isn't known
net/ring/ring_packet.c:1031: error: structure has no member named `pattern'
net/ring/ring_packet.c:1037: warning: implicit declaration of function `textsearch_find_continuous'
net/ring/ring_packet.c:1037: error: structure has no member named `pattern'
net/ring/ring_packet.c:1008: warning: unused variable `state'
net/ring/ring_packet.c: In function `skb_ring_handler':
net/ring/ring_packet.c:1897: error: structure has no member named `iif'
net/ring/ring_packet.c:1924: warning: implicit declaration of function `skb_reset_network_header'
net/ring/ring_packet.c:1925: warning: implicit declaration of function `skb_reset_transport_header'
net/ring/ring_packet.c:1926: warning: implicit declaration of function `skb_set_network_header'
net/ring/ring_packet.c:1928: warning: assignment makes pointer from integer without a cast
net/ring/ring_packet.c:1984: error: structure has no member named `tstamp'
net/ring/ring_packet.c:1985: warning: implicit declaration of function `__net_timestamp'
net/ring/ring_packet.c:1986: warning: implicit declaration of function `ktime_to_timeval'
net/ring/ring_packet.c:1986: error: structure has no member named `tstamp'
net/ring/ring_packet.c:1986: error: incompatible types in assignment
net/ring/ring_packet.c: In function `buffer_ring_handler':
net/ring/ring_packet.c:2105: error: structure has no member named `tstamp'
net/ring/ring_packet.c: At top level:
net/ring/ring_packet.c:2259: warning: "struct net" declared inside parameter list
net/ring/ring_packet.c:2259: warning: its scope is only this definition or declaration, which is probably not what you want
net/ring/ring_packet.c: In function `ring_create':
net/ring/ring_packet.c:2280: warning: passing arg 1 of `sk_alloc' makes integer from pointer without a cast
net/ring/ring_packet.c:2280: warning: passing arg 4 of `sk_alloc' from incompatible pointer type
net/ring/ring_packet.c: In function `ring_release':
net/ring/ring_packet.c:2403: error: structure has no member named `pattern'
net/ring/ring_packet.c:2405: warning: implicit declaration of function `textsearch_destroy'
net/ring/ring_packet.c:2405: error: structure has no member named `pattern'
net/ring/ring_packet.c: In function `ring_bind':
net/ring/ring_packet.c:2612: error: `init_net' undeclared (first use in this function)
net/ring/ring_packet.c:2613: error: too many arguments to function `__dev_get_by_name'
net/ring/ring_packet.c: In function `do_memory_mmap':
net/ring/ring_packet.c:2653: warning: implicit declaration of function `vmalloc_to_pfn'
net/ring/ring_packet.c:2654: warning: implicit declaration of function `remap_pfn_range'
net/ring/ring_packet.c: In function `ring_setsockopt':
net/ring/ring_packet.c:3374: error: `init_net' undeclared (first use in this function)
net/ring/ring_packet.c:3375: error: too many arguments to function `dev_get_by_name'
net/ring/ring_packet.c:3414: error: structure has no member named `pattern'
net/ring/ring_packet.c:3417: error: structure has no member named `pattern'
net/ring/ring_packet.c:3428: error: structure has no member named `pattern'
net/ring/ring_packet.c:3454: error: structure has no member named `pattern'
net/ring/ring_packet.c:3455: error: structure has no member named `pattern'
net/ring/ring_packet.c:3456: error: structure has no member named `pattern'
net/ring/ring_packet.c:3456: error: structure has no member named `pattern'
net/ring/ring_packet.c:3456: error: structure has no member named `pattern'
net/ring/ring_packet.c:3456: error: structure has no member named `pattern'
net/ring/ring_packet.c:3523: error: too many arguments to function `dev_get_by_name'
net/ring/ring_packet.c:3568: error: structure has no member named `pattern'
net/ring/ring_packet.c:3569: error: structure has no member named `pattern'
net/ring/ring_packet.c: At top level:
net/ring/ring_packet.c:4073: warning: initialization from incompatible pointer type
net/ring/ring_packet.c:4079: error: unknown field `owner' specified in initializer
net/ring/ring_packet.c:4079: warning: missing braces around initializer
net/ring/ring_packet.c:4079: warning: (near initialization for `ring_proto.stats')
net/ring/ring_packet.c:4079: warning: initialization makes integer from pointer without a cast
net/ring/ring_packet.c:4080: error: unknown field `obj_size' specified in initializer
net/ring/ring_packet.c:4080: warning: excess elements in struct initializer
net/ring/ring_packet.c:4080: warning: (near initialization for `ring_proto')
make[2]: *** [net/ring/ring_packet.o] Error 1
make[1]: *** [net/ring] Error 2
make: *** [net] Error 2

问题比较多，现在对于第一个问题，'ip_defrag'在ip.h中的原型是struct sk_buff *ip_defrag(struct sk_buff *skb);
但在ring_packet.c中却是这样声明，extern int ip_defrag(struct sk_buff *skb, u32 user);
导致出现问题，并且在ring_packet.c中对于ip_defrag的调用也是有两个参数的，小弟实在想出解决方法，还请各位高人指点一二。