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ixgbe: rewrite ethtool test to use standard config functions

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This change makes it so that the ethtool loopback test uses the standard
ring configuration and allocation functions.  As a result the loopback test
will be much more effective at testing core driver functionality.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexander Duyck 2010-08-19 13:40:54 +00:00 committed by David S. Miller
parent 31f05a2d87
commit 84418e3b10
3 changed files with 169 additions and 253 deletions
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11
drivers/net/ixgbe/ixgbe.h
View file

@ -453,9 +453,20 @@ extern int ixgbe_setup_rx_resources(struct ixgbe_adapter *, struct ixgbe_ring *)
extern int ixgbe_setup_tx_resources(struct ixgbe_adapter *, struct ixgbe_ring *);
extern void ixgbe_free_rx_resources(struct ixgbe_adapter *, struct ixgbe_ring *);
extern void ixgbe_free_tx_resources(struct ixgbe_adapter *, struct ixgbe_ring *);
extern void ixgbe_configure_rx_ring(struct ixgbe_adapter *,struct ixgbe_ring *);
extern void ixgbe_configure_tx_ring(struct ixgbe_adapter *,struct ixgbe_ring *);
extern void ixgbe_update_stats(struct ixgbe_adapter *adapter);
extern int ixgbe_init_interrupt_scheme(struct ixgbe_adapter *adapter);
extern void ixgbe_clear_interrupt_scheme(struct ixgbe_adapter *adapter);
extern netdev_tx_t ixgbe_xmit_frame_ring(struct sk_buff *,
struct net_device *,
struct ixgbe_adapter *,
struct ixgbe_ring *);
extern void ixgbe_unmap_and_free_tx_resource(struct ixgbe_adapter *,
struct ixgbe_tx_buffer *);
extern void ixgbe_alloc_rx_buffers(struct ixgbe_adapter *adapter,
struct ixgbe_ring *rx_ring,
int cleaned_count);
extern void ixgbe_write_eitr(struct ixgbe_q_vector *);
extern int ethtool_ioctl(struct ifreq *ifr);
extern s32 ixgbe_reinit_fdir_tables_82599(struct ixgbe_hw *hw);

362
drivers/net/ixgbe/ixgbe_ethtool.c
View file

@ -1438,9 +1438,7 @@ static void ixgbe_free_desc_rings(struct ixgbe_adapter *adapter)
struct ixgbe_ring *tx_ring = &adapter->test_tx_ring;
struct ixgbe_ring *rx_ring = &adapter->test_rx_ring;
struct ixgbe_hw *hw = &adapter->hw;
struct pci_dev *pdev = adapter->pdev;
u32 reg_ctl;
int i;
/* shut down the DMA engines now so they can be reinitialized later */
@ -1448,14 +1446,15 @@ static void ixgbe_free_desc_rings(struct ixgbe_adapter *adapter)
reg_ctl = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
reg_ctl &= ~IXGBE_RXCTRL_RXEN;
IXGBE_WRITE_REG(hw, IXGBE_RXCTRL, reg_ctl);
reg_ctl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(0));
reg_ctl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(rx_ring->reg_idx));
reg_ctl &= ~IXGBE_RXDCTL_ENABLE;
IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(0), reg_ctl);
IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(rx_ring->reg_idx), reg_ctl);
/* now Tx */
reg_ctl = IXGBE_READ_REG(hw, IXGBE_TXDCTL(0));
reg_ctl = IXGBE_READ_REG(hw, IXGBE_TXDCTL(tx_ring->reg_idx));
reg_ctl &= ~IXGBE_TXDCTL_ENABLE;
IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(0), reg_ctl);
IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(tx_ring->reg_idx), reg_ctl);
if (hw->mac.type == ixgbe_mac_82599EB) {
reg_ctl = IXGBE_READ_REG(hw, IXGBE_DMATXCTL);
reg_ctl &= ~IXGBE_DMATXCTL_TE;
@ -1464,221 +1463,57 @@ static void ixgbe_free_desc_rings(struct ixgbe_adapter *adapter)
ixgbe_reset(adapter);
if (tx_ring->desc && tx_ring->tx_buffer_info) {
for (i = 0; i < tx_ring->count; i++) {
struct ixgbe_tx_buffer *buf =
&(tx_ring->tx_buffer_info[i]);
if (buf->dma)
dma_unmap_single(&pdev->dev, buf->dma,
buf->length, DMA_TO_DEVICE);
if (buf->skb)
dev_kfree_skb(buf->skb);
}
}
if (rx_ring->desc && rx_ring->rx_buffer_info) {
for (i = 0; i < rx_ring->count; i++) {
struct ixgbe_rx_buffer *buf =
&(rx_ring->rx_buffer_info[i]);
if (buf->dma)
dma_unmap_single(&pdev->dev, buf->dma,
IXGBE_RXBUFFER_2048,
DMA_FROM_DEVICE);
if (buf->skb)
dev_kfree_skb(buf->skb);
}
}
if (tx_ring->desc) {
dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
tx_ring->dma);
tx_ring->desc = NULL;
}
if (rx_ring->desc) {
dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
rx_ring->dma);
rx_ring->desc = NULL;
}
kfree(tx_ring->tx_buffer_info);
tx_ring->tx_buffer_info = NULL;
kfree(rx_ring->rx_buffer_info);
rx_ring->rx_buffer_info = NULL;
ixgbe_free_tx_resources(adapter, &adapter->test_tx_ring);
ixgbe_free_rx_resources(adapter, &adapter->test_rx_ring);
}
static int ixgbe_setup_desc_rings(struct ixgbe_adapter *adapter)
{
struct ixgbe_ring *tx_ring = &adapter->test_tx_ring;
struct ixgbe_ring *rx_ring = &adapter->test_rx_ring;
struct pci_dev *pdev = adapter->pdev;
u32 rctl, reg_data;
int i, ret_val;
int ret_val;
int err;
/* Setup Tx descriptor ring and Tx buffers */
tx_ring->count = IXGBE_DEFAULT_TXD;
tx_ring->queue_index = 0;
tx_ring->reg_idx = adapter->tx_ring[0]->reg_idx;
tx_ring->numa_node = adapter->node;
if (!tx_ring->count)
tx_ring->count = IXGBE_DEFAULT_TXD;
tx_ring->tx_buffer_info = kcalloc(tx_ring->count,
sizeof(struct ixgbe_tx_buffer),
GFP_KERNEL);
if (!(tx_ring->tx_buffer_info)) {
ret_val = 1;
goto err_nomem;
}
tx_ring->size = tx_ring->count * sizeof(union ixgbe_adv_tx_desc);
tx_ring->size = ALIGN(tx_ring->size, 4096);
tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size,
&tx_ring->dma, GFP_KERNEL);
if (!(tx_ring->desc)) {
ret_val = 2;
goto err_nomem;
}
tx_ring->next_to_use = tx_ring->next_to_clean = 0;
IXGBE_WRITE_REG(&adapter->hw, IXGBE_TDBAL(0),
((u64) tx_ring->dma & 0x00000000FFFFFFFF));
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(union ixgbe_adv_tx_desc));
IXGBE_WRITE_REG(&adapter->hw, IXGBE_TDH(0), 0);
IXGBE_WRITE_REG(&adapter->hw, IXGBE_TDT(0), 0);
reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_HLREG0);
reg_data |= IXGBE_HLREG0_TXPADEN;
IXGBE_WRITE_REG(&adapter->hw, IXGBE_HLREG0, reg_data);
err = ixgbe_setup_tx_resources(adapter, tx_ring);
if (err)
return 1;
if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_DMATXCTL);
reg_data |= IXGBE_DMATXCTL_TE;
IXGBE_WRITE_REG(&adapter->hw, IXGBE_DMATXCTL, reg_data);
}
reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_TXDCTL(0));
reg_data |= IXGBE_TXDCTL_ENABLE;
IXGBE_WRITE_REG(&adapter->hw, IXGBE_TXDCTL(0), reg_data);
for (i = 0; i < tx_ring->count; i++) {
union ixgbe_adv_tx_desc *desc = IXGBE_TX_DESC_ADV(tx_ring, i);
struct sk_buff *skb;
unsigned int size = 1024;
skb = alloc_skb(size, GFP_KERNEL);
if (!skb) {
ret_val = 3;
goto err_nomem;
}
skb_put(skb, size);
tx_ring->tx_buffer_info[i].skb = skb;
tx_ring->tx_buffer_info[i].length = skb->len;
tx_ring->tx_buffer_info[i].dma =
dma_map_single(&pdev->dev, skb->data, skb->len,
DMA_TO_DEVICE);
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);
}
ixgbe_configure_tx_ring(adapter, tx_ring);
/* Setup Rx Descriptor ring and Rx buffers */
rx_ring->count = IXGBE_DEFAULT_RXD;
rx_ring->queue_index = 0;
rx_ring->reg_idx = adapter->rx_ring[0]->reg_idx;
rx_ring->rx_buf_len = IXGBE_RXBUFFER_2048;
rx_ring->numa_node = adapter->node;
if (!rx_ring->count)
rx_ring->count = IXGBE_DEFAULT_RXD;
rx_ring->rx_buffer_info = kcalloc(rx_ring->count,
sizeof(struct ixgbe_rx_buffer),
GFP_KERNEL);
if (!(rx_ring->rx_buffer_info)) {
err = ixgbe_setup_rx_resources(adapter, rx_ring);
if (err) {
ret_val = 4;
goto err_nomem;
}
rx_ring->size = rx_ring->count * sizeof(union ixgbe_adv_rx_desc);
rx_ring->size = ALIGN(rx_ring->size, 4096);
rx_ring->desc = dma_alloc_coherent(&pdev->dev, rx_ring->size,
&rx_ring->dma, GFP_KERNEL);
if (!(rx_ring->desc)) {
ret_val = 5;
goto err_nomem;
}
rx_ring->next_to_use = rx_ring->next_to_clean = 0;
rctl = IXGBE_READ_REG(&adapter->hw, IXGBE_RXCTRL);
IXGBE_WRITE_REG(&adapter->hw, IXGBE_RXCTRL, rctl & ~IXGBE_RXCTRL_RXEN);
IXGBE_WRITE_REG(&adapter->hw, IXGBE_RDBAL(0),
((u64)rx_ring->dma & 0xFFFFFFFF));
IXGBE_WRITE_REG(&adapter->hw, IXGBE_RDBAH(0),
((u64) rx_ring->dma >> 32));
IXGBE_WRITE_REG(&adapter->hw, IXGBE_RDLEN(0), rx_ring->size);
IXGBE_WRITE_REG(&adapter->hw, IXGBE_RDH(0), 0);
IXGBE_WRITE_REG(&adapter->hw, IXGBE_RDT(0), 0);
reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_FCTRL);
reg_data |= IXGBE_FCTRL_BAM | IXGBE_FCTRL_SBP | IXGBE_FCTRL_MPE;
IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCTRL, reg_data);
reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_HLREG0);
reg_data &= ~IXGBE_HLREG0_LPBK;
IXGBE_WRITE_REG(&adapter->hw, IXGBE_HLREG0, reg_data);
reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_RDRXCTL);
#define IXGBE_RDRXCTL_RDMTS_MASK 0x00000003 /* Receive Descriptor Minimum
Threshold Size mask */
reg_data &= ~IXGBE_RDRXCTL_RDMTS_MASK;
IXGBE_WRITE_REG(&adapter->hw, IXGBE_RDRXCTL, reg_data);
reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_MCSTCTRL);
#define IXGBE_MCSTCTRL_MO_MASK 0x00000003 /* Multicast Offset mask */
reg_data &= ~IXGBE_MCSTCTRL_MO_MASK;
reg_data |= adapter->hw.mac.mc_filter_type;
IXGBE_WRITE_REG(&adapter->hw, IXGBE_MCSTCTRL, reg_data);
reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_RXDCTL(0));
reg_data |= IXGBE_RXDCTL_ENABLE;
IXGBE_WRITE_REG(&adapter->hw, IXGBE_RXDCTL(0), reg_data);
if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
int j = adapter->rx_ring[0]->reg_idx;
u32 k;
for (k = 0; k < 10; k++) {
if (IXGBE_READ_REG(&adapter->hw,
IXGBE_RXDCTL(j)) & IXGBE_RXDCTL_ENABLE)
break;
else
msleep(1);
}
}
ixgbe_configure_rx_ring(adapter, rx_ring);
rctl |= IXGBE_RXCTRL_RXEN | IXGBE_RXCTRL_DMBYPS;
IXGBE_WRITE_REG(&adapter->hw, IXGBE_RXCTRL, rctl);
for (i = 0; i < rx_ring->count; 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);
if (!skb) {
ret_val = 6;
goto err_nomem;
}
skb_reserve(skb, NET_IP_ALIGN);
rx_ring->rx_buffer_info[i].skb = skb;
rx_ring->rx_buffer_info[i].dma =
dma_map_single(&pdev->dev, skb->data,
IXGBE_RXBUFFER_2048, DMA_FROM_DEVICE);
rx_desc->read.pkt_addr =
cpu_to_le64(rx_ring->rx_buffer_info[i].dma);
memset(skb->data, 0x00, skb->len);
}
return 0;
err_nomem:
@ -1692,16 +1527,21 @@ static int ixgbe_setup_loopback_test(struct ixgbe_adapter *adapter)
u32 reg_data;
/* right now we only support MAC loopback in the driver */
/* Setup MAC loopback */
reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_HLREG0);
/* Setup MAC loopback */
reg_data |= IXGBE_HLREG0_LPBK;
IXGBE_WRITE_REG(&adapter->hw, IXGBE_HLREG0, reg_data);
reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_FCTRL);
reg_data |= IXGBE_FCTRL_BAM | IXGBE_FCTRL_SBP | IXGBE_FCTRL_MPE;
IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCTRL, reg_data);
reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_AUTOC);
reg_data &= ~IXGBE_AUTOC_LMS_MASK;
reg_data |= IXGBE_AUTOC_LMS_10G_LINK_NO_AN | IXGBE_AUTOC_FLU;
IXGBE_WRITE_REG(&adapter->hw, IXGBE_AUTOC, reg_data);
IXGBE_WRITE_FLUSH(&adapter->hw);
msleep(10);
/* Disable Atlas Tx lanes; re-enabled in reset path */
if (hw->mac.type == ixgbe_mac_82598EB) {
@ -1759,15 +1599,81 @@ static int ixgbe_check_lbtest_frame(struct sk_buff *skb,
return 13;
}
static u16 ixgbe_clean_test_rings(struct ixgbe_adapter *adapter,
struct ixgbe_ring *rx_ring,
struct ixgbe_ring *tx_ring,
unsigned int size)
{
union ixgbe_adv_rx_desc *rx_desc;
struct ixgbe_rx_buffer *rx_buffer_info;
struct ixgbe_tx_buffer *tx_buffer_info;
const int bufsz = rx_ring->rx_buf_len;
u32 staterr;
u16 rx_ntc, tx_ntc, count = 0;
/* initialize next to clean and descriptor values */
rx_ntc = rx_ring->next_to_clean;
tx_ntc = tx_ring->next_to_clean;
rx_desc = IXGBE_RX_DESC_ADV(rx_ring, rx_ntc);
staterr = le32_to_cpu(rx_desc->wb.upper.status_error);
while (staterr & IXGBE_RXD_STAT_DD) {
/* check Rx buffer */
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,
rx_buffer_info->dma,
bufsz,
DMA_FROM_DEVICE);
rx_buffer_info->dma = 0;
/* verify contents of skb */
if (!ixgbe_check_lbtest_frame(rx_buffer_info->skb, size))
count++;
/* 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);
/* increment Rx/Tx next to clean counters */
rx_ntc++;
if (rx_ntc == rx_ring->count)
rx_ntc = 0;
tx_ntc++;
if (tx_ntc == tx_ring->count)
tx_ntc = 0;
/* fetch next descriptor */
rx_desc = IXGBE_RX_DESC_ADV(rx_ring, rx_ntc);
staterr = le32_to_cpu(rx_desc->wb.upper.status_error);
}
/* re-map buffers to ring, store next to clean values */
ixgbe_alloc_rx_buffers(adapter, rx_ring, count);
rx_ring->next_to_clean = rx_ntc;
tx_ring->next_to_clean = tx_ntc;
return count;
}
static int ixgbe_run_loopback_test(struct ixgbe_adapter *adapter)
{
struct ixgbe_ring *tx_ring = &adapter->test_tx_ring;
struct ixgbe_ring *rx_ring = &adapter->test_rx_ring;
struct pci_dev *pdev = adapter->pdev;
int i, j, k, l, lc, good_cnt, ret_val = 0;
unsigned long time;
int i, j, lc, good_cnt, ret_val = 0;
unsigned int size = 1024;
netdev_tx_t tx_ret_val;
struct sk_buff *skb;
IXGBE_WRITE_REG(&adapter->hw, IXGBE_RDT(0), rx_ring->count - 1);
/* allocate test skb */
skb = alloc_skb(size, GFP_KERNEL);
if (!skb)
return 11;
/* place data into test skb */
ixgbe_create_lbtest_frame(skb, size);
skb_put(skb, size);
/*
* Calculate the loop count based on the largest descriptor ring
@ -1780,54 +1686,40 @@ static int ixgbe_run_loopback_test(struct ixgbe_adapter *adapter)
else
lc = ((rx_ring->count / 64) * 2) + 1;
k = l = 0;
for (j = 0; j <= lc; j++) {
for (i = 0; i < 64; i++) {
ixgbe_create_lbtest_frame(
tx_ring->tx_buffer_info[k].skb,
1024);
dma_sync_single_for_device(&pdev->dev,
tx_ring->tx_buffer_info[k].dma,
tx_ring->tx_buffer_info[k].length,
DMA_TO_DEVICE);
if (unlikely(++k == tx_ring->count))
k = 0;
}
IXGBE_WRITE_REG(&adapter->hw, IXGBE_TDT(0), k);
msleep(200);
/* set the start time for the receive */
time = jiffies;
/* reset count of good packets */
good_cnt = 0;
do {
/* receive the sent packets */
dma_sync_single_for_cpu(&pdev->dev,
rx_ring->rx_buffer_info[l].dma,
IXGBE_RXBUFFER_2048,
DMA_FROM_DEVICE);
ret_val = ixgbe_check_lbtest_frame(
rx_ring->rx_buffer_info[l].skb, 1024);
if (!ret_val)
/* place 64 packets on the transmit queue*/
for (i = 0; i < 64; i++) {
skb_get(skb);
tx_ret_val = ixgbe_xmit_frame_ring(skb,
adapter->netdev,
adapter,
tx_ring);
if (tx_ret_val == NETDEV_TX_OK)
good_cnt++;
if (++l == rx_ring->count)
l = 0;
/*
* time + 20 msecs (200 msecs on 2.4) is more than
* enough time to complete the receives, if it's
* exceeded, break and error off
*/
} while (good_cnt < 64 && jiffies < (time + 20));
}
if (good_cnt != 64) {
ret_val = 12;
break;
}
/* allow 200 milliseconds for packets to go from Tx to Rx */
msleep(200);
good_cnt = ixgbe_clean_test_rings(adapter, rx_ring,
tx_ring, size);
if (good_cnt != 64) {
/* ret_val is the same as mis-compare */
ret_val = 13;
break;
}
if (jiffies >= (time + 20)) {
/* Error code for time out error */
ret_val = 14;
break;
}
}
/* free the original skb */
kfree_skb(skb);
return ret_val;
}

49
drivers/net/ixgbe/ixgbe_main.c
View file

@ -601,9 +601,9 @@ static inline void ixgbe_irq_rearm_queues(struct ixgbe_adapter *adapter,
}
}
static void ixgbe_unmap_and_free_tx_resource(struct ixgbe_adapter *adapter,
struct ixgbe_tx_buffer
*tx_buffer_info)
void ixgbe_unmap_and_free_tx_resource(struct ixgbe_adapter *adapter,
struct ixgbe_tx_buffer
*tx_buffer_info)
{
if (tx_buffer_info->dma) {
if (tx_buffer_info->mapped_as_page)
@ -1032,9 +1032,9 @@ static inline void ixgbe_release_rx_desc(struct ixgbe_hw *hw,
* ixgbe_alloc_rx_buffers - Replace used receive buffers; packet split
* @adapter: address of board private structure
**/
static void ixgbe_alloc_rx_buffers(struct ixgbe_adapter *adapter,
struct ixgbe_ring *rx_ring,
int cleaned_count)
void ixgbe_alloc_rx_buffers(struct ixgbe_adapter *adapter,
struct ixgbe_ring *rx_ring,
int cleaned_count)
{
struct net_device *netdev = adapter->netdev;
struct pci_dev *pdev = adapter->pdev;
@ -1095,6 +1095,7 @@ static void ixgbe_alloc_rx_buffers(struct ixgbe_adapter *adapter,
rx_desc->read.hdr_addr = cpu_to_le64(bi->dma);
} else {
rx_desc->read.pkt_addr = cpu_to_le64(bi->dma);
rx_desc->read.hdr_addr = 0;
}
i++;
@ -2431,8 +2432,8 @@ static void ixgbe_configure_msi_and_legacy(struct ixgbe_adapter *adapter)
*
* Configure the Tx descriptor ring after a reset.
**/
static void ixgbe_configure_tx_ring(struct ixgbe_adapter *adapter,
struct ixgbe_ring *ring)
void ixgbe_configure_tx_ring(struct ixgbe_adapter *adapter,
struct ixgbe_ring *ring)
{
struct ixgbe_hw *hw = &adapter->hw;
u64 tdba = ring->dma;
@ -2759,8 +2760,8 @@ static void ixgbe_rx_desc_queue_enable(struct ixgbe_adapter *adapter,
}
}
static void ixgbe_configure_rx_ring(struct ixgbe_adapter *adapter,
struct ixgbe_ring *ring)
void ixgbe_configure_rx_ring(struct ixgbe_adapter *adapter,
struct ixgbe_ring *ring)
{
struct ixgbe_hw *hw = &adapter->hw;
u64 rdba = ring->dma;
@ -3671,8 +3672,11 @@ static void ixgbe_clean_rx_ring(struct ixgbe_adapter *adapter,
unsigned long size;
unsigned int i;
/* Free all the Rx ring sk_buffs */
/* ring already cleared, nothing to do */
if (!rx_ring->rx_buffer_info)
return;
/* Free all the Rx ring sk_buffs */
for (i = 0; i < rx_ring->count; i++) {
struct ixgbe_rx_buffer *rx_buffer_info;
@ -3739,8 +3743,11 @@ static void ixgbe_clean_tx_ring(struct ixgbe_adapter *adapter,
unsigned long size;
unsigned int i;
/* Free all the Tx ring sk_buffs */
/* ring already cleared, nothing to do */
if (!tx_ring->tx_buffer_info)
return;
/* Free all the Tx ring sk_buffs */
for (i = 0; i < tx_ring->count; i++) {
tx_buffer_info = &tx_ring->tx_buffer_info[i];
ixgbe_unmap_and_free_tx_resource(adapter, tx_buffer_info);
@ -6239,11 +6246,10 @@ static u16 ixgbe_select_queue(struct net_device *dev, struct sk_buff *skb)
return skb_tx_hash(dev, skb);
}
static netdev_tx_t ixgbe_xmit_frame(struct sk_buff *skb,
struct net_device *netdev)
netdev_tx_t ixgbe_xmit_frame_ring(struct sk_buff *skb, struct net_device *netdev,
struct ixgbe_adapter *adapter,
struct ixgbe_ring *tx_ring)
{
struct ixgbe_adapter *adapter = netdev_priv(netdev);
struct ixgbe_ring *tx_ring;
struct netdev_queue *txq;
unsigned int first;
unsigned int tx_flags = 0;
@ -6267,8 +6273,6 @@ static netdev_tx_t ixgbe_xmit_frame(struct sk_buff *skb,
tx_flags |= IXGBE_TX_FLAGS_VLAN;
}
tx_ring = adapter->tx_ring[skb->queue_mapping];
#ifdef IXGBE_FCOE
/* for FCoE with DCB, we force the priority to what
* was specified by the switch */
@ -6362,6 +6366,15 @@ static netdev_tx_t ixgbe_xmit_frame(struct sk_buff *skb,
return NETDEV_TX_OK;
}
static netdev_tx_t ixgbe_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
{
struct ixgbe_adapter *adapter = netdev_priv(netdev);
struct ixgbe_ring *tx_ring;
tx_ring = adapter->tx_ring[skb->queue_mapping];
return ixgbe_xmit_frame_ring(skb, netdev, adapter, tx_ring);
}
/**
* ixgbe_set_mac - Change the Ethernet Address of the NIC
* @netdev: network interface device structure