Date: Fri, 27 Jun 2008 15:00:45 +0900 From: Shunsuke SHINOMIYA <shino@fornext.org> To: Hiroki Sato <hrs@FreeBSD.org> Cc: freebsd-bugs@FreeBSD.org, bug-followup@FreeBSD.org Subject: Re[2]: kern/125003: incorrect EtherIP header format. Message-ID: <20080627141852.BF75.A2D40D1E@fornext.org> In-Reply-To: <20080627.003014.35031951.hrs@allbsd.org> References: <20080626192225.9813.A2D40D1E@fornext.org> <20080627.003014.35031951.hrs@allbsd.org>
index | next in thread | previous in thread | raw e-mail
> sh> In current implementation, 0x03 is transmitted, and, next, 0x00 is > sh> transmitted as version(3) and reserved(0x000) field. But I think that > sh> 0x30 should be transmitted first from RFC3378. > > I don't understand why you think 0x30 is correct. From RFC3378 > In summary, the EtherIP Header has two fields: > > Bits 0-3: Protocol version > Bits 4-15: Reserved for future use > > 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 > +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ > | | | > | VERSION | RESERVED | > | | | > +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ > > Figure 2: EtherIP Header Format (in bits) > , first octet(bit 0,MSB to 7) consists of VERSION and a part of RESERVED. And VERSION is high 4 bits of the octet. Am I misunderstanding this? -- Shunsuke SHINOMIYA <shino@fornext.org>home | help
Want to link to this message? Use this
URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20080627141852.BF75.A2D40D1E>