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netdev: octeon_mgmt: Correct tx IFG workaround. 

The previous fix was still too agressive to meet ieee specs.  Increase
to (14, 10).

Signed-off-by: David Daney <david.daney@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David Daney 2013-06-19 17:40:19 -07:00 committed by David S. Miller
parent c0353c7b5d
commit 906996d6eb
1 changed files with 6 additions and 3 deletions
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9
drivers/net/ethernet/octeon/octeon_mgmt.c
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@ -1141,10 +1141,13 @@ static int octeon_mgmt_open(struct net_device *netdev)
/* For compensation state to lock. */
ndelay(1040 * NS_PER_PHY_CLK);
/* Some Ethernet switches cannot handle standard
* Interframe Gap, increase to 16 bytes.
/* Default Interframe Gaps are too small. Recommended
* workaround is.
*
* AGL_GMX_TX_IFG[IFG1]=14
* AGL_GMX_TX_IFG[IFG2]=10
*/
cvmx_write_csr(CVMX_AGL_GMX_TX_IFG, 0x88);
cvmx_write_csr(CVMX_AGL_GMX_TX_IFG, 0xae);
}
octeon_mgmt_rx_fill_ring(netdev);