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path: root/drivers/net/sky2.c
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Diffstat (limited to 'drivers/net/sky2.c')
-rw-r--r--drivers/net/sky2.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index 00bc65a0aac9..fc3803316970 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -65,8 +65,8 @@
65#define RX_DEF_PENDING RX_MAX_PENDING 65#define RX_DEF_PENDING RX_MAX_PENDING
66 66
67/* This is the worst case number of transmit list elements for a single skb: 67/* This is the worst case number of transmit list elements for a single skb:
68 VLAN + TSO + CKSUM + Data + skb_frags * DMA */ 68 VLAN:GSO + CKSUM + Data + skb_frags * DMA */
69#define MAX_SKB_TX_LE (4 + (sizeof(dma_addr_t)/sizeof(u32))*MAX_SKB_FRAGS) 69#define MAX_SKB_TX_LE (2 + (sizeof(dma_addr_t)/sizeof(u32))*(MAX_SKB_FRAGS+1))
70#define TX_MIN_PENDING (MAX_SKB_TX_LE+1) 70#define TX_MIN_PENDING (MAX_SKB_TX_LE+1)
71#define TX_MAX_PENDING 4096 71#define TX_MAX_PENDING 4096
72#define TX_DEF_PENDING 127 72#define TX_DEF_PENDING 127
@@ -1567,11 +1567,13 @@ static unsigned tx_le_req(const struct sk_buff *skb)
1567{ 1567{
1568 unsigned count; 1568 unsigned count;
1569 1569
1570 count = sizeof(dma_addr_t) / sizeof(u32); 1570 count = (skb_shinfo(skb)->nr_frags + 1)
1571 count += skb_shinfo(skb)->nr_frags * count; 1571 * (sizeof(dma_addr_t) / sizeof(u32));
1572 1572
1573 if (skb_is_gso(skb)) 1573 if (skb_is_gso(skb))
1574 ++count; 1574 ++count;
1575 else if (sizeof(dma_addr_t) == sizeof(u32))
1576 ++count; /* possible vlan */
1575 1577
1576 if (skb->ip_summed == CHECKSUM_PARTIAL) 1578 if (skb->ip_summed == CHECKSUM_PARTIAL)
1577 ++count; 1579 ++count;