* [PATCH 9/13] cxgb3 - Update internal memory management
@ 2007-08-11 6:30 Divy Le Ray
2007-08-14 5:45 ` Jeff Garzik
0 siblings, 1 reply; 3+ messages in thread
From: Divy Le Ray @ 2007-08-11 6:30 UTC (permalink / raw)
To: jeff; +Cc: netdev, linux-kernel, swise
From: Divy Le Ray <divy@chelsio.com>
Set PM1 internal memory to round robin mode
Signed-off-by: Divy Le Ray <divy@chelsio.com>
---
drivers/net/cxgb3/regs.h | 2 ++
drivers/net/cxgb3/t3_hw.c | 2 ++
2 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/drivers/net/cxgb3/regs.h b/drivers/net/cxgb3/regs.h
index 2824278..5e1bc0d 100644
--- a/drivers/net/cxgb3/regs.h
+++ b/drivers/net/cxgb3/regs.h
@@ -1326,6 +1326,7 @@
#define V_D0_WEIGHT(x) ((x) << S_D0_WEIGHT)
#define A_PM1_RX_CFG 0x5c0
+#define A_PM1_RX_MODE 0x5c4
#define A_PM1_RX_INT_ENABLE 0x5d8
@@ -1394,6 +1395,7 @@
#define A_PM1_RX_INT_CAUSE 0x5dc
#define A_PM1_TX_CFG 0x5e0
+#define A_PM1_TX_MODE 0x5e4
#define A_PM1_TX_INT_ENABLE 0x5f8
diff --git a/drivers/net/cxgb3/t3_hw.c b/drivers/net/cxgb3/t3_hw.c
index 23b1a16..13bfbec 100644
--- a/drivers/net/cxgb3/t3_hw.c
+++ b/drivers/net/cxgb3/t3_hw.c
@@ -3189,6 +3189,8 @@ int t3_init_hw(struct adapter *adapter, u32 fw_params)
t3_set_reg_field(adapter, A_PCIX_CFG, 0, F_CLIDECEN);
t3_write_reg(adapter, A_PM1_RX_CFG, 0xffffffff);
+ t3_write_reg(adapter, A_PM1_RX_MODE, 0);
+ t3_write_reg(adapter, A_PM1_TX_MODE, 0);
init_hw_for_avail_ports(adapter, adapter->params.nports);
t3_sge_init(adapter, &adapter->params.sge);
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH 9/13] cxgb3 - Update internal memory management
2007-08-11 6:30 [PATCH 9/13] cxgb3 - Update internal memory management Divy Le Ray
@ 2007-08-14 5:45 ` Jeff Garzik
2007-08-15 0:09 ` Divy Le Ray
0 siblings, 1 reply; 3+ messages in thread
From: Jeff Garzik @ 2007-08-14 5:45 UTC (permalink / raw)
To: Divy Le Ray; +Cc: netdev, linux-kernel, swise
Divy Le Ray wrote:
> From: Divy Le Ray <divy@chelsio.com>
>
> Set PM1 internal memory to round robin mode
>
> Signed-off-by: Divy Le Ray <divy@chelsio.com>
why?
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH 9/13] cxgb3 - Update internal memory management
2007-08-14 5:45 ` Jeff Garzik
@ 2007-08-15 0:09 ` Divy Le Ray
0 siblings, 0 replies; 3+ messages in thread
From: Divy Le Ray @ 2007-08-15 0:09 UTC (permalink / raw)
To: Jeff Garzik; +Cc: netdev, linux-kernel, Steve Wise
Jeff Garzik wrote:
>
> Divy Le Ray wrote:
> > From: Divy Le Ray <divy@chelsio.com>
> >
> > Set PM1 internal memory to round robin mode
> >
> > Signed-off-by: Divy Le Ray <divy@chelsio.com>
>
> why?
>
For multiport adapters, it balances access to this internal memory.
Divy
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2007-08-15 0:09 UTC | newest]
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2007-08-11 6:30 [PATCH 9/13] cxgb3 - Update internal memory management Divy Le Ray
2007-08-14 5:45 ` Jeff Garzik
2007-08-15 0:09 ` Divy Le Ray
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