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Date: Tue, 18 Mar 2008 16:11:28 +0100 From: Joakim Tjernlund <Joakim.Tjernlund@...nsmode.se> To: Netdev <netdev@...r.kernel.org>, Li Yang <LeoLi@...escale.com> Cc: Joakim Tjernlund <Joakim.Tjernlund@...nsmode.se> Subject: [PATCH] ucc_geth: Add 8 bytes to max TX frame for VLANs Creating a VLAN interface on top of ucc_geth adds 4 bytes to the frame and the HW controller is not prepared to TX a frame bigger than 1518 bytes which is 4 bytes too small for a full VLAN frame. Also add 4 extra bytes for future expansion. Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@...nsmode.se> --- drivers/net/ucc_geth.c | 6 +++--- 1 files changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/net/ucc_geth.c b/drivers/net/ucc_geth.c index 348892b..038ec75 100644 --- a/drivers/net/ucc_geth.c +++ b/drivers/net/ucc_geth.c @@ -114,10 +114,10 @@ static struct ucc_geth_info ugeth_primary_info = { .maxGroupAddrInHash = 4, .maxIndAddrInHash = 4, .prel = 7, - .maxFrameLength = 1518, + .maxFrameLength = 1518+8, /* Add 4 bytes for VLAN tags and 4 extra bytes */ .minFrameLength = 64, - .maxD1Length = 1520, - .maxD2Length = 1520, + .maxD1Length = 1520+8, + .maxD2Length = 1520+8, .vlantype = 0x8100, .ecamptr = ((uint32_t) NULL), .eventRegMask = UCCE_OTHER, -- 1.5.4.3 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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