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Commit 70f8002d authored by Joakim Tjernlund's avatar Joakim Tjernlund Committed by David S. Miller
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ucc_geth: Add 16 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. Add 16 bytes which will handle
the a simple VLAN and leaves 12 bytes for future expansion.

Signed-off-by: default avatarJoakim Tjernlund <Joakim.Tjernlund@transmode.se>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 5bbdc057

drivers/net/ethernet/freescale/ucc_geth.c

+3 −3
Original line number Diff line number Diff line
@@ -116,10 +116,10 @@ static struct ucc_geth_info ugeth_primary_info = { 
	.maxGroupAddrInHash = 4,

	.maxIndAddrInHash = 4,

	.prel = 7,

	.maxFrameLength = 1518,

	.maxFrameLength = 1518+16, /* Add extra bytes for VLANs etc. */

	.minFrameLength = 64,

	.maxD1Length = 1520,

	.maxD2Length = 1520,

	.maxD1Length = 1520+16, /* Add extra bytes for VLANs etc. */

	.maxD2Length = 1520+16, /* Add extra bytes for VLANs etc. */

	.vlantype = 0x8100,

	.ecamptr = ((uint32_t) NULL),

	.eventRegMask = UCCE_OTHER,