Re: [PATCH 06/26] atl1: update initialization parameters

From: Jeff Garzik
Date: Tue Jan 22 2008 - 04:58:23 EST


jacliburn@xxxxxxxxxxxxx wrote:
From: Jay Cliburn <jacliburn@xxxxxxxxxxxxx>

Update initialization parameters to match the current vendor driver
version 1.2.40.2.

Signed-off-by: Jay Cliburn <jacliburn@xxxxxxxxxxxxx>
---
drivers/net/atlx/atl1.c | 14 +++++++-------
1 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/net/atlx/atl1.c b/drivers/net/atlx/atl1.c
index 262d3ca..695dcbc 100644
--- a/drivers/net/atlx/atl1.c
+++ b/drivers/net/atlx/atl1.c
@@ -136,20 +136,20 @@ static int __devinit atl1_sw_init(struct atl1_adapter *adapter)
hw->rfd_fetch_gap = 1;
hw->rx_jumbo_th = adapter->rx_buffer_len / 8;
hw->rx_jumbo_lkah = 1;
- hw->rrd_ret_timer = 16;
- hw->tpd_burst = 4;
+ hw->rrd_ret_timer = 4; /* 8 us */
+ hw->tpd_burst = 8;
hw->tpd_fetch_th = 16;
- hw->txf_burst = 0x100;
+ hw->txf_burst = 0x200;
hw->tx_jumbo_task_th = (hw->max_frame_size + 7) >> 3;
hw->tpd_fetch_gap = 1;
hw->rcb_value = atl1_rcb_64;
hw->dma_ord = atl1_dma_ord_enh;
- hw->dmar_block = atl1_dma_req_256;
- hw->dmaw_block = atl1_dma_req_256;
+ hw->dmar_block = atl1_dma_req_1024;
+ hw->dmaw_block = atl1_dma_req_1024;
hw->cmb_rrd = 4;
hw->cmb_tpd = 4;
- hw->cmb_rx_timer = 1; /* about 2us */
- hw->cmb_tx_timer = 1; /* about 2us */
+ hw->cmb_rx_timer = 2; /* about 4us */
+ hw->cmb_tx_timer = 256; /* about 512us */
hw->smb_timer = 100000; /* about 200ms */

ACK without any better knowledge... but is any addition insight available at all?

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