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authorAlexander Duyck <alexander.h.duyck@intel.com>2010-11-16 19:26:49 -0800
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2010-11-16 19:26:49 -0800
commitb6ec895ecd32c0070c3b2b17918c030275cd834d (patch)
treecf21df02228b0b8ef9296abb6b465f36bf142474 /drivers/net/ixgbe/ixgbe_ethtool.c
parent84ea2591e4a24775c2735511a1cc3cf88edd249d (diff)
downloadop-kernel-dev-b6ec895ecd32c0070c3b2b17918c030275cd834d.zip
op-kernel-dev-b6ec895ecd32c0070c3b2b17918c030275cd834d.tar.gz
ixgbe: move device pointer into the ring structure
This change is meant to simplify DMA map/unmap by providing a device pointer. As a result the adapter pointer can be dropped from many of the calls. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Tested-by: Ross Brattain <ross.b.brattain@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ixgbe/ixgbe_ethtool.c')
-rw-r--r--drivers/net/ixgbe/ixgbe_ethtool.c32
1 files changed, 14 insertions, 18 deletions
diff --git a/drivers/net/ixgbe/ixgbe_ethtool.c b/drivers/net/ixgbe/ixgbe_ethtool.c
index 81fa1ac..cc78049 100644
--- a/drivers/net/ixgbe/ixgbe_ethtool.c
+++ b/drivers/net/ixgbe/ixgbe_ethtool.c
@@ -900,13 +900,11 @@ static int ixgbe_set_ringparam(struct net_device *netdev,
memcpy(&temp_tx_ring[i], adapter->tx_ring[i],
sizeof(struct ixgbe_ring));
temp_tx_ring[i].count = new_tx_count;
- err = ixgbe_setup_tx_resources(adapter,
- &temp_tx_ring[i]);
+ err = ixgbe_setup_tx_resources(&temp_tx_ring[i]);
if (err) {
while (i) {
i--;
- ixgbe_free_tx_resources(adapter,
- &temp_tx_ring[i]);
+ ixgbe_free_tx_resources(&temp_tx_ring[i]);
}
goto clear_reset;
}
@@ -925,13 +923,11 @@ static int ixgbe_set_ringparam(struct net_device *netdev,
memcpy(&temp_rx_ring[i], adapter->rx_ring[i],
sizeof(struct ixgbe_ring));
temp_rx_ring[i].count = new_rx_count;
- err = ixgbe_setup_rx_resources(adapter,
- &temp_rx_ring[i]);
+ err = ixgbe_setup_rx_resources(&temp_rx_ring[i]);
if (err) {
while (i) {
i--;
- ixgbe_free_rx_resources(adapter,
- &temp_rx_ring[i]);
+ ixgbe_free_rx_resources(&temp_rx_ring[i]);
}
goto err_setup;
}
@@ -946,8 +942,7 @@ static int ixgbe_set_ringparam(struct net_device *netdev,
/* tx */
if (new_tx_count != adapter->tx_ring_count) {
for (i = 0; i < adapter->num_tx_queues; i++) {
- ixgbe_free_tx_resources(adapter,
- adapter->tx_ring[i]);
+ ixgbe_free_tx_resources(adapter->tx_ring[i]);
memcpy(adapter->tx_ring[i], &temp_tx_ring[i],
sizeof(struct ixgbe_ring));
}
@@ -957,8 +952,7 @@ static int ixgbe_set_ringparam(struct net_device *netdev,
/* rx */
if (new_rx_count != adapter->rx_ring_count) {
for (i = 0; i < adapter->num_rx_queues; i++) {
- ixgbe_free_rx_resources(adapter,
- adapter->rx_ring[i]);
+ ixgbe_free_rx_resources(adapter->rx_ring[i]);
memcpy(adapter->rx_ring[i], &temp_rx_ring[i],
sizeof(struct ixgbe_ring));
}
@@ -1463,8 +1457,8 @@ static void ixgbe_free_desc_rings(struct ixgbe_adapter *adapter)
ixgbe_reset(adapter);
- ixgbe_free_tx_resources(adapter, &adapter->test_tx_ring);
- ixgbe_free_rx_resources(adapter, &adapter->test_rx_ring);
+ ixgbe_free_tx_resources(&adapter->test_tx_ring);
+ ixgbe_free_rx_resources(&adapter->test_rx_ring);
}
static int ixgbe_setup_desc_rings(struct ixgbe_adapter *adapter)
@@ -1478,10 +1472,11 @@ static int ixgbe_setup_desc_rings(struct ixgbe_adapter *adapter)
/* Setup Tx descriptor ring and Tx buffers */
tx_ring->count = IXGBE_DEFAULT_TXD;
tx_ring->queue_index = 0;
+ tx_ring->dev = &adapter->pdev->dev;
tx_ring->reg_idx = adapter->tx_ring[0]->reg_idx;
tx_ring->numa_node = adapter->node;
- err = ixgbe_setup_tx_resources(adapter, tx_ring);
+ err = ixgbe_setup_tx_resources(tx_ring);
if (err)
return 1;
@@ -1496,11 +1491,12 @@ static int ixgbe_setup_desc_rings(struct ixgbe_adapter *adapter)
/* Setup Rx Descriptor ring and Rx buffers */
rx_ring->count = IXGBE_DEFAULT_RXD;
rx_ring->queue_index = 0;
+ rx_ring->dev = &adapter->pdev->dev;
rx_ring->reg_idx = adapter->rx_ring[0]->reg_idx;
rx_ring->rx_buf_len = IXGBE_RXBUFFER_2048;
rx_ring->numa_node = adapter->node;
- err = ixgbe_setup_rx_resources(adapter, rx_ring);
+ err = ixgbe_setup_rx_resources(rx_ring);
if (err) {
ret_val = 4;
goto err_nomem;
@@ -1622,7 +1618,7 @@ static u16 ixgbe_clean_test_rings(struct ixgbe_adapter *adapter,
rx_buffer_info = &rx_ring->rx_buffer_info[rx_ntc];
/* unmap Rx buffer, will be remapped by alloc_rx_buffers */
- dma_unmap_single(&adapter->pdev->dev,
+ dma_unmap_single(rx_ring->dev,
rx_buffer_info->dma,
bufsz,
DMA_FROM_DEVICE);
@@ -1634,7 +1630,7 @@ static u16 ixgbe_clean_test_rings(struct ixgbe_adapter *adapter,
/* unmap buffer on Tx side */
tx_buffer_info = &tx_ring->tx_buffer_info[tx_ntc];
- ixgbe_unmap_and_free_tx_resource(adapter, tx_buffer_info);
+ ixgbe_unmap_and_free_tx_resource(tx_ring, tx_buffer_info);
/* increment Rx/Tx next to clean counters */
rx_ntc++;
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