Fix checksum computation. Previously it didn't include carry.
Reviewed by: tuexen
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=265942
@ -1080,8 +1080,9 @@ ip_reass(struct mbuf *m)
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* (and not in for{} loop), though it implies we are not going to
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* reassemble more than 64k fragments.
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*/
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m->m_pkthdr.csum_data =
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(m->m_pkthdr.csum_data & 0xffff) + (m->m_pkthdr.csum_data >> 16);
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while (m->m_pkthdr.csum_data & 0xffff0000)
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m->m_pkthdr.csum_data = (m->m_pkthdr.csum_data & 0xffff) +
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(m->m_pkthdr.csum_data >> 16);
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#ifdef MAC
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mac_ipq_reassemble(fp, m);
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mac_ipq_destroy(fp);
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