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sys/netinet6/ip6_output.c
| Show First 20 Lines • Show All 1,110 Lines • ▼ Show 20 Lines | passout: | ||||
| * 3: if we always need to attach fragment header (alwaysfrag == 1) | * 3: if we always need to attach fragment header (alwaysfrag == 1) | ||||
| * always fragment | * always fragment | ||||
| * | * | ||||
| * 4: if dontfrag == 1 && alwaysfrag == 1 | * 4: if dontfrag == 1 && alwaysfrag == 1 | ||||
| * error, as we cannot handle this conflicting request. | * error, as we cannot handle this conflicting request. | ||||
| */ | */ | ||||
| sw_csum = m->m_pkthdr.csum_flags; | sw_csum = m->m_pkthdr.csum_flags; | ||||
| if (!hdrsplit) { | if (!hdrsplit) { | ||||
| tso = ((sw_csum & ifp->if_hwassist & CSUM_TSO) != 0) ? 1 : 0; | tso = ((sw_csum & ifp->if_hwassist & | ||||
| (CSUM_TSO | CSUM_INNER_TSO)) != 0) ? 1 : 0; | |||||
| sw_csum &= ~ifp->if_hwassist; | sw_csum &= ~ifp->if_hwassist; | ||||
| } else | } else | ||||
| tso = 0; | tso = 0; | ||||
| /* | /* | ||||
| * If we added extension headers, we will not do TSO and calculate the | * If we added extension headers, we will not do TSO and calculate the | ||||
| * checksums ourselves for now. | * checksums ourselves for now. | ||||
| * XXX-BZ Need a framework to know when the NIC can handle it, even | * XXX-BZ Need a framework to know when the NIC can handle it, even | ||||
| * with ext. hdrs. | * with ext. hdrs. | ||||
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