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ixgb: Add buffer_info and test like e1000 has.
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Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
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Jesse Brandeburg authored and Auke Kok committed Aug 31, 2006
1 parent 7a0eec3 commit adc5413
Showing 1 changed file with 7 additions and 0 deletions.
7 changes: 7 additions & 0 deletions drivers/net/ixgb/ixgb_main.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1174,6 +1174,7 @@ ixgb_tso(struct ixgb_adapter *adapter, struct sk_buff *skb)
int err;

if (likely(skb_is_gso(skb))) {
struct ixgb_buffer *buffer_info;
if (skb_header_cloned(skb)) {
err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
if (err)
Expand All @@ -1196,6 +1197,8 @@ ixgb_tso(struct ixgb_adapter *adapter, struct sk_buff *skb)

i = adapter->tx_ring.next_to_use;
context_desc = IXGB_CONTEXT_DESC(adapter->tx_ring, i);
buffer_info = &adapter->tx_ring.buffer_info[i];
WARN_ON(buffer_info->dma != 0);

context_desc->ipcss = ipcss;
context_desc->ipcso = ipcso;
Expand Down Expand Up @@ -1233,11 +1236,14 @@ ixgb_tx_csum(struct ixgb_adapter *adapter, struct sk_buff *skb)
uint8_t css, cso;

if(likely(skb->ip_summed == CHECKSUM_HW)) {
struct ixgb_buffer *buffer_info;
css = skb->h.raw - skb->data;
cso = (skb->h.raw + skb->csum) - skb->data;

i = adapter->tx_ring.next_to_use;
context_desc = IXGB_CONTEXT_DESC(adapter->tx_ring, i);
buffer_info = &adapter->tx_ring.buffer_info[i];
WARN_ON(buffer_info->dma != 0);

context_desc->tucss = css;
context_desc->tucso = cso;
Expand Down Expand Up @@ -1283,6 +1289,7 @@ ixgb_tx_map(struct ixgb_adapter *adapter, struct sk_buff *skb,
buffer_info = &tx_ring->buffer_info[i];
size = min(len, IXGB_MAX_DATA_PER_TXD);
buffer_info->length = size;
WARN_ON(buffer_info->dma != 0);
buffer_info->dma =
pci_map_single(adapter->pdev,
skb->data + offset,
Expand Down

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