Fix hardware checksum verification on fragments.
MFC after: 7 days Reported/tested by: Hugo Koji Kobayashi, Vadym Chepkov Reviewed/help by: yongari Approved by: re (kensmith)
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=171163
@ -566,8 +566,17 @@ pf_reassemble(struct mbuf **m0, struct pf_fragment **frag,
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m2 = frent->fr_m;
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pool_put(&pf_frent_pl, frent);
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pf_nfrents--;
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#ifdef __FreeBSD__
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m->m_pkthdr.csum_flags &= m2->m_pkthdr.csum_flags;
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m->m_pkthdr.csum_data += m2->m_pkthdr.csum_data;
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#endif
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m_cat(m, m2);
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}
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#ifdef __FreeBSD__
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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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#endif
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ip->ip_src = (*frag)->fr_src;
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ip->ip_dst = (*frag)->fr_dst;
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