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*** 1646,1655 **** --- 1646,1658 ---- #ifdef DEBUG if (!skip_sctp_cksum) #endif sctph->sh_chksum = sctp_cksum(mp, ip_hdr_length); goto ip_hdr_cksum; + } else if (protocol == IPPROTO_DCCP) { + cksump = IPH_DCCPH_CHECKSUMP(ipha, ip_hdr_length); + cksum = IP_DCCP_CSUM_COMP; } else { goto ip_hdr_cksum; } /* ULP puts the checksum field is in the first mblk */
*** 1735,1744 **** --- 1738,1750 ---- #ifdef DEBUG if (!skip_sctp_cksum) #endif sctph->sh_chksum = sctp_cksum(mp, ip_hdr_length); goto ip_hdr_cksum; + } else if (protocol == IPPROTO_DCCP) { + cksump = IPH_DCCPH_CHECKSUMP(ipha, ip_hdr_length); + cksum = IP_DCCP_CSUM_COMP; } else { ip_hdr_cksum: /* Calculate IPv4 header checksum */ ipha->ipha_hdr_checksum = 0; ipha->ipha_hdr_checksum = ip_csum_hdr(ipha);