diff options
| -rw-r--r-- | drivers/net/sky2.c | 17 | ||||
| -rw-r--r-- | drivers/net/sky2.h | 1 |
2 files changed, 12 insertions, 6 deletions
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index fb841c815b5..88041e57887 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -1016,6 +1016,7 @@ static void tx_init(struct sky2_port *sky2) le = get_tx_le(sky2, &sky2->tx_prod); le->addr = 0; le->opcode = OP_ADDR64 | HW_OWNER; + sky2->tx_last_upper = 0; } static inline struct tx_ring_info *tx_le_re(struct sky2_port *sky2, @@ -1573,8 +1574,9 @@ static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev) struct sky2_tx_le *le = NULL; struct tx_ring_info *re; unsigned i, len; - u16 slot; dma_addr_t mapping; + u32 upper; + u16 slot; u16 mss; u8 ctrl; @@ -1593,9 +1595,11 @@ static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev) dev->name, slot, skb->len); /* Send high bits if needed */ - if (sizeof(dma_addr_t) > sizeof(u32)) { + upper = upper_32_bits(mapping); + if (upper != sky2->tx_last_upper) { le = get_tx_le(sky2, &slot); - le->addr = cpu_to_le32(upper_32_bits(mapping)); + le->addr = cpu_to_le32(upper); + sky2->tx_last_upper = upper; le->opcode = OP_ADDR64 | HW_OWNER; } @@ -1681,10 +1685,11 @@ static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev) if (pci_dma_mapping_error(hw->pdev, mapping)) goto mapping_unwind; - if (sizeof(dma_addr_t) > sizeof(u32)) { + upper = upper_32_bits(mapping); + if (upper != sky2->tx_last_upper) { le = get_tx_le(sky2, &slot); - le->addr = cpu_to_le32(upper_32_bits(mapping)); - le->ctrl = 0; + le->addr = cpu_to_le32(upper); + sky2->tx_last_upper = upper; le->opcode = OP_ADDR64 | HW_OWNER; } diff --git a/drivers/net/sky2.h b/drivers/net/sky2.h index 65b94c366fb..feb3204134e 100644 --- a/drivers/net/sky2.h +++ b/drivers/net/sky2.h @@ -2017,6 +2017,7 @@ struct sky2_port { u16 tx_pending; u16 tx_last_mss; + u32 tx_last_upper; u32 tx_tcpsum; struct rx_ring_info *rx_ring ____cacheline_aligned_in_smp; |