From: David Daney <david.daney@xxxxxxxxxx> The previous fix was still too agressive to meet ieee specs. Increase to (14, 10). Signed-off-by: David Daney <david.daney@xxxxxxxxxx> --- drivers/net/ethernet/octeon/octeon_mgmt.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/octeon/octeon_mgmt.c b/drivers/net/ethernet/octeon/octeon_mgmt.c index e6e0292..1ef4148 100644 --- a/drivers/net/ethernet/octeon/octeon_mgmt.c +++ b/drivers/net/ethernet/octeon/octeon_mgmt.c @@ -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); -- 1.7.11.7
