diff options
| -rw-r--r-- | drivers/net/sky2.c | 24 | ||||
| -rw-r--r-- | drivers/net/sky2.h | 4 |
2 files changed, 10 insertions, 18 deletions
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index 52ec89b82f6..bc15940ce1b 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -944,7 +944,6 @@ static void tx_init(struct sky2_port *sky2) le = get_tx_le(sky2); le->addr = 0; le->opcode = OP_ADDR64 | HW_OWNER; - sky2->tx_addr64 = 0; } static inline struct tx_ring_info *tx_le_re(struct sky2_port *sky2, @@ -978,13 +977,11 @@ static void sky2_rx_add(struct sky2_port *sky2, u8 op, dma_addr_t map, unsigned len) { struct sky2_rx_le *le; - u32 hi = upper_32_bits(map); - if (sky2->rx_addr64 != hi) { + if (sizeof(dma_addr_t) > sizeof(u32)) { le = sky2_next_rx(sky2); - le->addr = cpu_to_le32(hi); + le->addr = cpu_to_le32(upper_32_bits(map)); le->opcode = OP_ADDR64 | HW_OWNER; - sky2->rx_addr64 = upper_32_bits(map + len); } le = sky2_next_rx(sky2); @@ -1480,7 +1477,6 @@ static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev) struct tx_ring_info *re; unsigned i, len; dma_addr_t mapping; - u32 addr64; u16 mss; u8 ctrl; @@ -1493,15 +1489,12 @@ static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev) len = skb_headlen(skb); mapping = pci_map_single(hw->pdev, skb->data, len, PCI_DMA_TODEVICE); - addr64 = upper_32_bits(mapping); - /* Send high bits if changed or crosses boundary */ - if (addr64 != sky2->tx_addr64 || - upper_32_bits(mapping + len) != sky2->tx_addr64) { + /* Send high bits if needed */ + if (sizeof(dma_addr_t) > sizeof(u32)) { le = get_tx_le(sky2); - le->addr = cpu_to_le32(addr64); + le->addr = cpu_to_le32(upper_32_bits(mapping)); le->opcode = OP_ADDR64 | HW_OWNER; - sky2->tx_addr64 = upper_32_bits(mapping + len); } /* Check for TCP Segmentation Offload */ @@ -1582,13 +1575,12 @@ static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev) mapping = pci_map_page(hw->pdev, frag->page, frag->page_offset, frag->size, PCI_DMA_TODEVICE); - addr64 = upper_32_bits(mapping); - if (addr64 != sky2->tx_addr64) { + + if (sizeof(dma_addr_t) > sizeof(u32)) { le = get_tx_le(sky2); - le->addr = cpu_to_le32(addr64); + le->addr = cpu_to_le32(upper_32_bits(mapping)); le->ctrl = 0; le->opcode = OP_ADDR64 | HW_OWNER; - sky2->tx_addr64 = addr64; } le = get_tx_le(sky2); diff --git a/drivers/net/sky2.h b/drivers/net/sky2.h index bc646a47edd..ffe9b8a50a1 100644 --- a/drivers/net/sky2.h +++ b/drivers/net/sky2.h @@ -1991,14 +1991,14 @@ struct sky2_port { u16 tx_cons; /* next le to check */ u16 tx_prod; /* next le to use */ u16 tx_next; /* debug only */ - u32 tx_addr64; + u16 tx_pending; u16 tx_last_mss; u32 tx_tcpsum; struct rx_ring_info *rx_ring ____cacheline_aligned_in_smp; struct sky2_rx_le *rx_le; - u32 rx_addr64; + u16 rx_next; /* next re to check */ u16 rx_put; /* next le index to use */ u16 rx_pending; |