diff options
| -rw-r--r-- | drivers/net/sky2.c | 35 | ||||
| -rw-r--r-- | drivers/net/sky2.h | 1 |
2 files changed, 20 insertions, 16 deletions
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index 3a086d3a7cb..4f83f111bb2 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -70,18 +70,15 @@ VLAN:GSO + CKSUM + Data + skb_frags * DMA */ #define MAX_SKB_TX_LE (2 + (sizeof(dma_addr_t)/sizeof(u32))*(MAX_SKB_FRAGS+1)) #define TX_MIN_PENDING (MAX_SKB_TX_LE+1) -#define TX_MAX_PENDING 4096 +#define TX_MAX_PENDING 1024 #define TX_DEF_PENDING 127 -#define STATUS_RING_SIZE 2048 /* 2 ports * (TX + 2*RX) */ -#define STATUS_LE_BYTES (STATUS_RING_SIZE*sizeof(struct sky2_status_le)) #define TX_WATCHDOG (5 * HZ) #define NAPI_WEIGHT 64 #define PHY_RETRIES 1000 #define SKY2_EEPROM_MAGIC 0x9955aabb - #define RING_NEXT(x,s) (((x)+1) & ((s)-1)) static const u32 default_msg = @@ -2558,7 +2555,7 @@ static int sky2_status_intr(struct sky2_hw *hw, int to_do, u16 idx) if (!(opcode & HW_OWNER)) break; - hw->st_idx = RING_NEXT(hw->st_idx, STATUS_RING_SIZE); + hw->st_idx = RING_NEXT(hw->st_idx, hw->st_size); port = le->css & CSS_LINK_BIT; dev = hw->dev[port]; @@ -3198,7 +3195,7 @@ static void sky2_reset(struct sky2_hw *hw) for (i = 0; i < hw->ports; i++) sky2_gmac_reset(hw, i); - memset(hw->st_le, 0, STATUS_LE_BYTES); + memset(hw->st_le, 0, hw->st_size * sizeof(struct sky2_status_le)); hw->st_idx = 0; sky2_write32(hw, STAT_CTRL, SC_STAT_RST_SET); @@ -3208,7 +3205,7 @@ static void sky2_reset(struct sky2_hw *hw) sky2_write32(hw, STAT_LIST_ADDR_HI, (u64) hw->st_dma >> 32); /* Set the list last index */ - sky2_write16(hw, STAT_LAST_IDX, STATUS_RING_SIZE - 1); + sky2_write16(hw, STAT_LAST_IDX, hw->st_size - 1); sky2_write16(hw, STAT_TX_IDX_TH, 10); sky2_write8(hw, STAT_FIFO_WM, 16); @@ -4256,12 +4253,13 @@ static int sky2_debug_show(struct seq_file *seq, void *v) napi_disable(&hw->napi); last = sky2_read16(hw, STAT_PUT_IDX); + seq_printf(seq, "Status ring %u\n", hw->st_size); if (hw->st_idx == last) seq_puts(seq, "Status ring (empty)\n"); else { seq_puts(seq, "Status ring\n"); - for (idx = hw->st_idx; idx != last && idx < STATUS_RING_SIZE; - idx = RING_NEXT(idx, STATUS_RING_SIZE)) { + for (idx = hw->st_idx; idx != last && idx < hw->st_size; + idx = RING_NEXT(idx, hw->st_size)) { const struct sky2_status_le *le = hw->st_le + idx; seq_printf(seq, "[%d] %#x %d %#x\n", idx, le->opcode, le->length, le->status); @@ -4689,15 +4687,17 @@ static int __devinit sky2_probe(struct pci_dev *pdev, goto err_out_free_hw; } - /* ring for status responses */ - hw->st_le = pci_alloc_consistent(pdev, STATUS_LE_BYTES, &hw->st_dma); - if (!hw->st_le) - goto err_out_iounmap; - err = sky2_init(hw); if (err) goto err_out_iounmap; + /* ring for status responses */ + hw->st_size = hw->ports * roundup_pow_of_two(2*RX_MAX_PENDING + TX_MAX_PENDING); + hw->st_le = pci_alloc_consistent(pdev, hw->st_size * sizeof(struct sky2_status_le), + &hw->st_dma); + if (!hw->st_le) + goto err_out_reset; + dev_info(&pdev->dev, "Yukon-2 %s chip revision %d\n", sky2_name(hw->chip_id, buf1, sizeof(buf1)), hw->chip_rev); @@ -4771,8 +4771,10 @@ err_out_unregister: err_out_free_netdev: free_netdev(dev); err_out_free_pci: + pci_free_consistent(pdev, hw->st_size * sizeof(struct sky2_status_le), + hw->st_le, hw->st_dma); +err_out_reset: sky2_write8(hw, B0_CTST, CS_RST_SET); - pci_free_consistent(pdev, STATUS_LE_BYTES, hw->st_le, hw->st_dma); err_out_iounmap: iounmap(hw->regs); err_out_free_hw: @@ -4810,7 +4812,8 @@ static void __devexit sky2_remove(struct pci_dev *pdev) free_irq(pdev->irq, hw); if (hw->flags & SKY2_HW_USE_MSI) pci_disable_msi(pdev); - pci_free_consistent(pdev, STATUS_LE_BYTES, hw->st_le, hw->st_dma); + pci_free_consistent(pdev, hw->st_size * sizeof(struct sky2_status_le), + hw->st_le, hw->st_dma); pci_release_regions(pdev); pci_disable_device(pdev); diff --git a/drivers/net/sky2.h b/drivers/net/sky2.h index 0bebfb3638f..125b5bd0152 100644 --- a/drivers/net/sky2.h +++ b/drivers/net/sky2.h @@ -2268,6 +2268,7 @@ struct sky2_hw { u8 ports; struct sky2_status_le *st_le; + u32 st_size; u32 st_idx; dma_addr_t st_dma; |