From: tobias@gambas-buch.de (Tobias Boege)
To: kernelnewbies@lists.kernelnewbies.org
Subject: ipv6 address comparison
Date: Sat, 21 Jul 2012 14:23:43 +0200 [thread overview]
Message-ID: <20120721122343.GB496@aurora> (raw)
In-Reply-To: <1342872161.3431.13.camel@localhost>
On Sat, 21 Jul 2012, Arif Hossain wrote:
> Hi,
>
> My module uses ipv6_addr_cmp() from <linux/ipv6.h>.
>
> <linux/ipv6.h>
> static inline int ipv6_addr_cmp(const struct in6_addr *a1, const struct
> in6_addr *a2)
> {
> return memcmp(a1, a2, sizeof(struct in6_addr));
> }
>
> I've included <linux/ipv6.h>. But when i try to build the module i get
> following error:
>
> net/netfilter/xt_ipaddr.c:81: error: implicit declaration of function
> ???ipv6_addr_cmp???
>
> Although before the call to ipv6_addr_cmp, i have a casting to struct
> ipv6hdr *iph. So the definitions from ipv6.h should be available to my
> module.
>
> cheers.
> aft
>
>
> _______________________________________________
> Kernelnewbies mailing list
> Kernelnewbies at kernelnewbies.org
> http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
Well, you included <linux/ipv6.h>. Here, the implementation of
ipv6_addr_cmp() is in <net/ipv6.h>.
Regards,
Tobi
next prev parent reply other threads:[~2012-07-21 12:23 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-21 12:02 ipv6 address comparison Arif Hossain
2012-07-21 12:23 ` Tobias Boege [this message]
[not found] ` <alpine.DEB.2.02.1207211535300.32697@aurora.sdinet.de>
2012-07-21 13:45 ` Arif Hossain
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