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authorPeter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>2009-07-16 15:50:12 +0000
committerDavid S. Miller <davem@davemloft.net>2009-07-17 09:47:33 -0700
commitf4ec443b2b27ecb401eee35a7bea330438556c7e (patch)
tree32cdb246f0d9789589e6eddac104642c65c357bf /drivers/net/ixgbe
parentc482c568577a2b31716e1019f2868bda7cf5629c (diff)
ixgbe: Remove legacy descriptor support
The ethtool offline test is the only consumer of the legacy descriptors. Update that path to only use advanced descriptors, and remove all support for legacy descriptors. Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ixgbe')
-rw-r--r--drivers/net/ixgbe/ixgbe.h4
-rw-r--r--drivers/net/ixgbe/ixgbe_ethtool.c33
-rw-r--r--drivers/net/ixgbe/ixgbe_type.h31
3 files changed, 19 insertions, 49 deletions
diff --git a/drivers/net/ixgbe/ixgbe.h b/drivers/net/ixgbe/ixgbe.h
index cd22323cfd2..2a93e116f5a 100644
--- a/drivers/net/ixgbe/ixgbe.h
+++ b/drivers/net/ixgbe/ixgbe.h
@@ -229,10 +229,6 @@ struct ixgbe_q_vector {
#define IXGBE_TX_CTXTDESC_ADV(R, i) \
(&(((struct ixgbe_adv_tx_context_desc *)((R).desc))[i]))
-#define IXGBE_GET_DESC(R, i, type) (&(((struct type *)((R).desc))[i]))
-#define IXGBE_TX_DESC(R, i) IXGBE_GET_DESC(R, i, ixgbe_legacy_tx_desc)
-#define IXGBE_RX_DESC(R, i) IXGBE_GET_DESC(R, i, ixgbe_legacy_rx_desc)
-
#define IXGBE_MAX_JUMBO_FRAME_SIZE 16128
#ifdef IXGBE_FCOE
/* Use 3K as the baby jumbo frame size for FCoE */
diff --git a/drivers/net/ixgbe/ixgbe_ethtool.c b/drivers/net/ixgbe/ixgbe_ethtool.c
index 2a978008fd6..1464b33f1b8 100644
--- a/drivers/net/ixgbe/ixgbe_ethtool.c
+++ b/drivers/net/ixgbe/ixgbe_ethtool.c
@@ -1440,7 +1440,7 @@ static int ixgbe_setup_desc_rings(struct ixgbe_adapter *adapter)
goto err_nomem;
}
- tx_ring->size = tx_ring->count * sizeof(struct ixgbe_legacy_tx_desc);
+ tx_ring->size = tx_ring->count * sizeof(union ixgbe_adv_tx_desc);
tx_ring->size = ALIGN(tx_ring->size, 4096);
if (!(tx_ring->desc = pci_alloc_consistent(pdev, tx_ring->size,
&tx_ring->dma))) {
@@ -1454,7 +1454,7 @@ static int ixgbe_setup_desc_rings(struct ixgbe_adapter *adapter)
IXGBE_WRITE_REG(&adapter->hw, IXGBE_TDBAH(0),
((u64) tx_ring->dma >> 32));
IXGBE_WRITE_REG(&adapter->hw, IXGBE_TDLEN(0),
- tx_ring->count * sizeof(struct ixgbe_legacy_tx_desc));
+ tx_ring->count * sizeof(union ixgbe_adv_tx_desc));
IXGBE_WRITE_REG(&adapter->hw, IXGBE_TDH(0), 0);
IXGBE_WRITE_REG(&adapter->hw, IXGBE_TDT(0), 0);
@@ -1472,7 +1472,7 @@ static int ixgbe_setup_desc_rings(struct ixgbe_adapter *adapter)
IXGBE_WRITE_REG(&adapter->hw, IXGBE_TXDCTL(0), reg_data);
for (i = 0; i < tx_ring->count; i++) {
- struct ixgbe_legacy_tx_desc *desc = IXGBE_TX_DESC(*tx_ring, i);
+ union ixgbe_adv_tx_desc *desc = IXGBE_TX_DESC_ADV(*tx_ring, i);
struct sk_buff *skb;
unsigned int size = 1024;
@@ -1486,13 +1486,18 @@ static int ixgbe_setup_desc_rings(struct ixgbe_adapter *adapter)
tx_ring->tx_buffer_info[i].length = skb->len;
tx_ring->tx_buffer_info[i].dma =
pci_map_single(pdev, skb->data, skb->len,
- PCI_DMA_TODEVICE);
- desc->buffer_addr = cpu_to_le64(tx_ring->tx_buffer_info[i].dma);
- desc->lower.data = cpu_to_le32(skb->len);
- desc->lower.data |= cpu_to_le32(IXGBE_TXD_CMD_EOP |
- IXGBE_TXD_CMD_IFCS |
- IXGBE_TXD_CMD_RS);
- desc->upper.data = 0;
+ PCI_DMA_TODEVICE);
+ desc->read.buffer_addr =
+ cpu_to_le64(tx_ring->tx_buffer_info[i].dma);
+ desc->read.cmd_type_len = cpu_to_le32(skb->len);
+ desc->read.cmd_type_len |= cpu_to_le32(IXGBE_TXD_CMD_EOP |
+ IXGBE_TXD_CMD_IFCS |
+ IXGBE_TXD_CMD_RS);
+ desc->read.olinfo_status = 0;
+ if (adapter->hw.mac.type == ixgbe_mac_82599EB)
+ desc->read.olinfo_status |=
+ (skb->len << IXGBE_ADVTXD_PAYLEN_SHIFT);
+
}
/* Setup Rx Descriptor ring and Rx buffers */
@@ -1508,7 +1513,7 @@ static int ixgbe_setup_desc_rings(struct ixgbe_adapter *adapter)
goto err_nomem;
}
- rx_ring->size = rx_ring->count * sizeof(struct ixgbe_legacy_rx_desc);
+ rx_ring->size = rx_ring->count * sizeof(union ixgbe_adv_rx_desc);
rx_ring->size = ALIGN(rx_ring->size, 4096);
if (!(rx_ring->desc = pci_alloc_consistent(pdev, rx_ring->size,
&rx_ring->dma))) {
@@ -1566,8 +1571,8 @@ static int ixgbe_setup_desc_rings(struct ixgbe_adapter *adapter)
IXGBE_WRITE_REG(&adapter->hw, IXGBE_RXCTRL, rctl);
for (i = 0; i < rx_ring->count; i++) {
- struct ixgbe_legacy_rx_desc *rx_desc =
- IXGBE_RX_DESC(*rx_ring, i);
+ union ixgbe_adv_rx_desc *rx_desc =
+ IXGBE_RX_DESC_ADV(*rx_ring, i);
struct sk_buff *skb;
skb = alloc_skb(IXGBE_RXBUFFER_2048 + NET_IP_ALIGN, GFP_KERNEL);
@@ -1580,7 +1585,7 @@ static int ixgbe_setup_desc_rings(struct ixgbe_adapter *adapter)
rx_ring->rx_buffer_info[i].dma =
pci_map_single(pdev, skb->data, IXGBE_RXBUFFER_2048,
PCI_DMA_FROMDEVICE);
- rx_desc->buffer_addr =
+ rx_desc->read.pkt_addr =
cpu_to_le64(rx_ring->rx_buffer_info[i].dma);
memset(skb->data, 0x00, skb->len);
}
diff --git a/drivers/net/ixgbe/ixgbe_type.h b/drivers/net/ixgbe/ixgbe_type.h
index fa87309dc08..8fb6ade0c62 100644
--- a/drivers/net/ixgbe/ixgbe_type.h
+++ b/drivers/net/ixgbe/ixgbe_type.h
@@ -1893,27 +1893,6 @@ enum ixgbe_fdir_pballoc_type {
#define IXGBE_FDIR_INIT_DONE_POLL 10
#define IXGBE_FDIRCMD_CMD_POLL 10
-/* Transmit Descriptor - Legacy */
-struct ixgbe_legacy_tx_desc {
- u64 buffer_addr; /* Address of the descriptor's data buffer */
- union {
- __le32 data;
- struct {
- __le16 length; /* Data buffer length */
- u8 cso; /* Checksum offset */
- u8 cmd; /* Descriptor control */
- } flags;
- } lower;
- union {
- __le32 data;
- struct {
- u8 status; /* Descriptor status */
- u8 css; /* Checksum start */
- __le16 vlan;
- } fields;
- } upper;
-};
-
/* Transmit Descriptor - Advanced */
union ixgbe_adv_tx_desc {
struct {
@@ -1928,16 +1907,6 @@ union ixgbe_adv_tx_desc {
} wb;
};
-/* Receive Descriptor - Legacy */
-struct ixgbe_legacy_rx_desc {
- __le64 buffer_addr; /* Address of the descriptor's data buffer */
- __le16 length; /* Length of data DMAed into data buffer */
- __le16 csum; /* Packet checksum */
- u8 status; /* Descriptor status */
- u8 errors; /* Descriptor Errors */
- __le16 vlan;
-};
-
/* Receive Descriptor - Advanced */
union ixgbe_adv_rx_desc {
struct {