Date: Tue, 12 Oct 2004 11:24:03 -0500 (EST) From: Sam <sah@softcardsystems.com> To: freebsd-arch@freebsd.org, freebsd-current@freebsd.org Subject: mbuf w/o pkthdr? Message-ID: <Pine.LNX.4.60.0410121115430.30953@athena>
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Hello - src/sys/i386/i386/busdma_machdep.c:/^bus_dmamap_load_mbuf/ prohibits loading an mbuf that does not contain a packet header. Some drivers use this (xl), some don't (fxp). Are all packets supposed to have the M_PKTHDR flag? Why? Cheers, Sam
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