summaryrefslogtreecommitdiffstats
path: root/drivers
diff options
context:
space:
mode:
authorMatt Carlson <mcarlson@broadcom.com>2009-08-28 16:00:55 +0200
committerDavid S. Miller <davem@davemloft.net>2009-08-30 00:42:52 +0200
commit79ed5ac7ddd5f8d6463f5a17b3575772e9896481 (patch)
tree46e9a73d5457532e1e50c077a94213505e1d4606 /drivers
parenttg3: Create a new prodring_set structure (diff)
downloadlinux-79ed5ac7ddd5f8d6463f5a17b3575772e9896481.tar.xz
linux-79ed5ac7ddd5f8d6463f5a17b3575772e9896481.zip
tg3: Use ext rx bds
The 5717 only uses extended buffer descriptors for the jumbo producer ring. Extended buffer descriptors are available on all devices that support a separate jumbo producer ring so make the change universal. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/tg3.c17
-rw-r--r--drivers/net/tg3.h2
2 files changed, 10 insertions, 9 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 053d4e85820d..3725ac857086 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -117,10 +117,10 @@
#define TG3_RX_RING_BYTES (sizeof(struct tg3_rx_buffer_desc) * \
TG3_RX_RING_SIZE)
-#define TG3_RX_JUMBO_RING_BYTES (sizeof(struct tg3_rx_buffer_desc) * \
- TG3_RX_JUMBO_RING_SIZE)
+#define TG3_RX_JUMBO_RING_BYTES (sizeof(struct tg3_ext_rx_buffer_desc) * \
+ TG3_RX_JUMBO_RING_SIZE)
#define TG3_RX_RCB_RING_BYTES(tp) (sizeof(struct tg3_rx_buffer_desc) * \
- TG3_RX_RCB_RING_SIZE(tp))
+ TG3_RX_RCB_RING_SIZE(tp))
#define TG3_TX_RING_BYTES (sizeof(struct tg3_tx_buffer_desc) * \
TG3_TX_RING_SIZE)
#define NEXT_TX(N) (((N) + 1) & (TG3_TX_RING_SIZE - 1))
@@ -4367,7 +4367,7 @@ static int tg3_alloc_rx_skb(struct tg3 *tp, u32 opaque_key,
case RXD_OPAQUE_RING_JUMBO:
dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
- desc = &tpr->rx_jmb[dest_idx];
+ desc = &tpr->rx_jmb[dest_idx].std;
map = &tpr->rx_jmb_buffers[dest_idx];
if (src_idx >= 0)
src_map = &tpr->rx_jmb_buffers[src_idx];
@@ -4428,9 +4428,9 @@ static void tg3_recycle_rx(struct tg3 *tp, u32 opaque_key,
case RXD_OPAQUE_RING_JUMBO:
dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
- dest_desc = &tpr->rx_jmb[dest_idx];
+ dest_desc = &tpr->rx_jmb[dest_idx].std;
dest_map = &tpr->rx_jmb_buffers[dest_idx];
- src_desc = &tpr->rx_jmb[src_idx];
+ src_desc = &tpr->rx_jmb[src_idx].std;
src_map = &tpr->rx_jmb_buffers[src_idx];
break;
@@ -5614,7 +5614,7 @@ static int tg3_rx_prodring_alloc(struct tg3 *tp,
for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
struct tg3_rx_buffer_desc *rxd;
- rxd = &tpr->rx_jmb[i];
+ rxd = &tpr->rx_jmb[i].std;
rxd->idx_len = TG3_RX_JMB_DMA_SZ << RXD_LEN_SHIFT;
rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT) |
RXD_FLAG_JUMBO;
@@ -7053,7 +7053,8 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
((u64) tpr->rx_jmb_mapping & 0xffffffff));
tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
- RX_JUMBO_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT);
+ (RX_JUMBO_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT) |
+ BDINFO_FLAGS_USE_EXT_RECV);
tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_NIC_ADDR,
NIC_SRAM_RX_JUMBO_BUFFER_DESC);
} else {
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index 7a27cffb5ada..982171f293fd 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -2480,7 +2480,7 @@ struct tg3_rx_prodring_set {
u32 rx_std_ptr;
u32 rx_jmb_ptr;
struct tg3_rx_buffer_desc *rx_std;
- struct tg3_rx_buffer_desc *rx_jmb;
+ struct tg3_ext_rx_buffer_desc *rx_jmb;
struct ring_info *rx_std_buffers;
struct ring_info *rx_jmb_buffers;
dma_addr_t rx_std_mapping;