diff options
| author | Michael Chan <mchan@broadcom.com> | 2005-07-25 12:31:48 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2005-07-25 12:31:48 -0700 |
| commit | fdfec1726b14b4b2121adcfcbba98d4cc1a61751 (patch) | |
| tree | 7cb407d307526b41165f974ee318c36b92e04a9e /drivers | |
| parent | 7e72aad48c3790636bfa006f3b0027852ccad47e (diff) | |
[TG3]: consolidate all DMA water mark settings
Consolidate all DMA watermark settings for standard and jumbo frames on
all chips in tg3_init_bufmgr_config() and add new settings for 5780.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/tg3.c | 53 | ||||
| -rw-r--r-- | drivers/net/tg3.h | 3 |
2 files changed, 33 insertions, 23 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index eca4b91454c..2b7d99fc257 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -9826,19 +9826,35 @@ static void __devinit tg3_init_link_config(struct tg3 *tp) static void __devinit tg3_init_bufmgr_config(struct tg3 *tp) { - tp->bufmgr_config.mbuf_read_dma_low_water = - DEFAULT_MB_RDMA_LOW_WATER; - tp->bufmgr_config.mbuf_mac_rx_low_water = - DEFAULT_MB_MACRX_LOW_WATER; - tp->bufmgr_config.mbuf_high_water = - DEFAULT_MB_HIGH_WATER; - - tp->bufmgr_config.mbuf_read_dma_low_water_jumbo = - DEFAULT_MB_RDMA_LOW_WATER_JUMBO; - tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo = - DEFAULT_MB_MACRX_LOW_WATER_JUMBO; - tp->bufmgr_config.mbuf_high_water_jumbo = - DEFAULT_MB_HIGH_WATER_JUMBO; + if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) { + tp->bufmgr_config.mbuf_read_dma_low_water = + DEFAULT_MB_RDMA_LOW_WATER_5705; + tp->bufmgr_config.mbuf_mac_rx_low_water = + DEFAULT_MB_MACRX_LOW_WATER_5705; + tp->bufmgr_config.mbuf_high_water = + DEFAULT_MB_HIGH_WATER_5705; + + tp->bufmgr_config.mbuf_read_dma_low_water_jumbo = + DEFAULT_MB_RDMA_LOW_WATER_JUMBO_5780; + tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo = + DEFAULT_MB_MACRX_LOW_WATER_JUMBO_5780; + tp->bufmgr_config.mbuf_high_water_jumbo = + DEFAULT_MB_HIGH_WATER_JUMBO_5780; + } else { + tp->bufmgr_config.mbuf_read_dma_low_water = + DEFAULT_MB_RDMA_LOW_WATER; + tp->bufmgr_config.mbuf_mac_rx_low_water = + DEFAULT_MB_MACRX_LOW_WATER; + tp->bufmgr_config.mbuf_high_water = + DEFAULT_MB_HIGH_WATER; + + tp->bufmgr_config.mbuf_read_dma_low_water_jumbo = + DEFAULT_MB_RDMA_LOW_WATER_JUMBO; + tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo = + DEFAULT_MB_MACRX_LOW_WATER_JUMBO; + tp->bufmgr_config.mbuf_high_water_jumbo = + DEFAULT_MB_HIGH_WATER_JUMBO; + } tp->bufmgr_config.dma_low_water = DEFAULT_DMA_LOW_WATER; tp->bufmgr_config.dma_high_water = DEFAULT_DMA_HIGH_WATER; @@ -10052,8 +10068,6 @@ static int __devinit tg3_init_one(struct pci_dev *pdev, tg3_init_link_config(tp); - tg3_init_bufmgr_config(tp); - tp->rx_pending = TG3_DEF_RX_RING_PENDING; tp->rx_jumbo_pending = TG3_DEF_RX_JUMBO_RING_PENDING; tp->tx_pending = TG3_DEF_TX_RING_PENDING; @@ -10082,14 +10096,7 @@ static int __devinit tg3_init_one(struct pci_dev *pdev, goto err_out_iounmap; } - if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) { - tp->bufmgr_config.mbuf_read_dma_low_water = - DEFAULT_MB_RDMA_LOW_WATER_5705; - tp->bufmgr_config.mbuf_mac_rx_low_water = - DEFAULT_MB_MACRX_LOW_WATER_5705; - tp->bufmgr_config.mbuf_high_water = - DEFAULT_MB_HIGH_WATER_5705; - } + tg3_init_bufmgr_config(tp); #if TG3_TSO_SUPPORT != 0 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) { diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h index 15eb2bdb2de..0a277c1e75d 100644 --- a/drivers/net/tg3.h +++ b/drivers/net/tg3.h @@ -985,14 +985,17 @@ #define DEFAULT_MB_RDMA_LOW_WATER 0x00000050 #define DEFAULT_MB_RDMA_LOW_WATER_5705 0x00000000 #define DEFAULT_MB_RDMA_LOW_WATER_JUMBO 0x00000130 +#define DEFAULT_MB_RDMA_LOW_WATER_JUMBO_5780 0x00000000 #define BUFMGR_MB_MACRX_LOW_WATER 0x00004414 #define DEFAULT_MB_MACRX_LOW_WATER 0x00000020 #define DEFAULT_MB_MACRX_LOW_WATER_5705 0x00000010 #define DEFAULT_MB_MACRX_LOW_WATER_JUMBO 0x00000098 +#define DEFAULT_MB_MACRX_LOW_WATER_JUMBO_5780 0x0000004b #define BUFMGR_MB_HIGH_WATER 0x00004418 #define DEFAULT_MB_HIGH_WATER 0x00000060 #define DEFAULT_MB_HIGH_WATER_5705 0x00000060 #define DEFAULT_MB_HIGH_WATER_JUMBO 0x0000017c +#define DEFAULT_MB_HIGH_WATER_JUMBO_5780 0x00000096 #define BUFMGR_RX_MB_ALLOC_REQ 0x0000441c #define BUFMGR_MB_ALLOC_BIT 0x10000000 #define BUFMGR_RX_MB_ALLOC_RESP 0x00004420 |