Date: Mon, 29 Mar 2004 13:22:24 -0500 From: David Gilbert <dgilbert@dclg.ca> To: "Jacob S. Barrett" <jbarrett@amduat.net> Cc: freebsd-net@freebsd.org Subject: Re: Disabling VLAN_HWTAGGING Message-ID: <16488.26976.314273.752771@canoe.dclg.ca> In-Reply-To: <200403251650.35714.jbarrett@amduat.net> References: <200403251118.40718.jbarrett@amduat.net> <20040325234527.GC85417@ip.net.ua> <200403251650.35714.jbarrett@amduat.net>
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>>>>> "Jacob" == Jacob S Barrett <jbarrett@amduat.net> writes: Jacob> On Thursday 25 March 2004 03:45 pm, you wrote: >> > Can you disable VLAN_HWTAGGING? >> >> Not without modifying if_nge.c, but it should be pretty trivial. Jacob> As trivial as setting chaning: ifp-> if_capabilities = IFCAP_HWCSUM | IFCAP_VLAN_HWTAGGING; Jacob> to: ifp-> if_capabilities = 0; Jacob> This didn't solve the problem completely though. On the remote Jacob> host I can now see tagged frames from the if_nge host, but the Jacob> reply frames from the if_em host or not visible at all on the Jacob> if_nge host (via tcpdump). Are you dumping all packets? We've found that you can dump a specific vlan on nge's, but you can't get good data by dumping the raw port itself. No matter how it's set, in both Linux and FreeBSD, many nge chipsets will not show vlan packets from the driver with a tcpdump. Dave. -- ============================================================================ |David Gilbert, Independent Contractor. | Two things can only be | |Mail: dave@daveg.ca | equal if and only if they | |http://daveg.ca | are precisely opposite. | =========================================================GLO================
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