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net/icmpv6: Fix icmpv6 checksum calculation in icmpv6_reply

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The second param of icmpv6_chksum is `iplen`, which indicates `The size of the IPv6 header`.

Signed-off-by: Zhe Weng <wengzhe@xiaomi.com>
This commit is contained in:
Zhe Weng 2022-11-24 16:50:11 +08:00 committed by Xiang Xiao
parent 6368b29751
commit 233974b327
1 changed files with 1 additions and 1 deletions
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net/icmpv6/icmpv6_reply.c
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@ -139,7 +139,7 @@ void icmpv6_reply(FAR struct net_driver_s *dev, int type, int code, int data)
/* Calculate the ICMPv6 checksum over the ICMPv6 header and payload. */
icmpv6->chksum = 0;
icmpv6->chksum = ~icmpv6_chksum(dev, datalen + sizeof(*icmpv6));
icmpv6->chksum = ~icmpv6_chksum(dev, IPv6_HDRLEN);
if (icmpv6->chksum == 0)
{
icmpv6->chksum = 0xffff;