tg3: Reintroduce tg3_tx_ring_info
The following patches will require the use of an additional flag in the
ring_info structure. The use of this flag is tx path specific, so this
patch defines a specialized ring_info structure.
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 8035765..3708159 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -4824,7 +4824,7 @@
txq = netdev_get_tx_queue(tp->dev, index);
while (sw_idx != hw_idx) {
- struct ring_info *ri = &tnapi->tx_buffers[sw_idx];
+ struct tg3_tx_ring_info *ri = &tnapi->tx_buffers[sw_idx];
struct sk_buff *skb = ri->skb;
int i, tx_bug = 0;
@@ -5929,7 +5929,7 @@
{
int i;
u32 entry = tnapi->tx_prod;
- struct ring_info *txb = &tnapi->tx_buffers[entry];
+ struct tg3_tx_ring_info *txb = &tnapi->tx_buffers[entry];
pci_unmap_single(tnapi->tp->pdev,
dma_unmap_addr(txb, mapping),
@@ -6603,7 +6603,7 @@
continue;
for (i = 0; i < TG3_TX_RING_SIZE; ) {
- struct ring_info *txp;
+ struct tg3_tx_ring_info *txp;
struct sk_buff *skb;
unsigned int k;
@@ -6762,9 +6762,9 @@
*/
if ((!i && !tg3_flag(tp, ENABLE_TSS)) ||
(i && tg3_flag(tp, ENABLE_TSS))) {
- tnapi->tx_buffers = kzalloc(sizeof(struct ring_info) *
- TG3_TX_RING_SIZE,
- GFP_KERNEL);
+ tnapi->tx_buffers = kzalloc(
+ sizeof(struct tg3_tx_ring_info) *
+ TG3_TX_RING_SIZE, GFP_KERNEL);
if (!tnapi->tx_buffers)
goto err_out;
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index 691539b..f6986ca 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -2652,6 +2652,11 @@
DEFINE_DMA_UNMAP_ADDR(mapping);
};
+struct tg3_tx_ring_info {
+ struct sk_buff *skb;
+ DEFINE_DMA_UNMAP_ADDR(mapping);
+};
+
struct tg3_link_config {
/* Describes what we're trying to get. */
u32 advertising;
@@ -2816,7 +2821,7 @@
u32 last_tx_cons;
u32 prodmbox;
struct tg3_tx_buffer_desc *tx_ring;
- struct ring_info *tx_buffers;
+ struct tg3_tx_ring_info *tx_buffers;
dma_addr_t status_mapping;
dma_addr_t rx_rcb_mapping;