static u32 ixgbe_get_rx_csum(struct net_device *netdev)
{
struct ixgbe_adapter *adapter = netdev_priv(netdev);
- return (adapter->flags & IXGBE_FLAG_RX_CSUM_ENABLED);
+ return adapter->flags & IXGBE_FLAG_RX_CSUM_ENABLED;
}
static int ixgbe_set_rx_csum(struct net_device *netdev, u32 data)
else
adapter->flags &= ~IXGBE_FLAG_RX_CSUM_ENABLED;
- if (netif_running(netdev))
- ixgbe_reinit_locked(adapter);
- else
- ixgbe_reset(adapter);
-
return 0;
}
regs_buff[32] = IXGBE_READ_REG(hw, IXGBE_FCTTV(1));
regs_buff[33] = IXGBE_READ_REG(hw, IXGBE_FCTTV(2));
regs_buff[34] = IXGBE_READ_REG(hw, IXGBE_FCTTV(3));
- for (i = 0; i < 8; i++)
- regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL(i));
- for (i = 0; i < 8; i++)
- regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH(i));
+ for (i = 0; i < 8; i++) {
+ switch (hw->mac.type) {
+ case ixgbe_mac_82598EB:
+ regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL(i));
+ regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH(i));
+ break;
+ case ixgbe_mac_82599EB:
+ regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL_82599(i));
+ regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH_82599(i));
+ break;
+ default:
+ break;
+ }
+ }
regs_buff[51] = IXGBE_READ_REG(hw, IXGBE_FCRTV);
regs_buff[52] = IXGBE_READ_REG(hw, IXGBE_TFCS);
struct ixgbe_adapter *adapter = netdev_priv(netdev);
char firmware_version[32];
- strncpy(drvinfo->driver, ixgbe_driver_name, 32);
- strncpy(drvinfo->version, ixgbe_driver_version, 32);
+ strncpy(drvinfo->driver, ixgbe_driver_name, sizeof(drvinfo->driver));
+ strncpy(drvinfo->version, ixgbe_driver_version,
+ sizeof(drvinfo->version));
- sprintf(firmware_version, "%d.%d-%d",
- (adapter->eeprom_version & 0xF000) >> 12,
- (adapter->eeprom_version & 0x0FF0) >> 4,
- adapter->eeprom_version & 0x000F);
+ snprintf(firmware_version, sizeof(firmware_version), "%d.%d-%d",
+ (adapter->eeprom_version & 0xF000) >> 12,
+ (adapter->eeprom_version & 0x0FF0) >> 4,
+ adapter->eeprom_version & 0x000F);
- strncpy(drvinfo->fw_version, firmware_version, 32);
- strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
+ strncpy(drvinfo->fw_version, firmware_version,
+ sizeof(drvinfo->fw_version));
+ strncpy(drvinfo->bus_info, pci_name(adapter->pdev),
+ sizeof(drvinfo->bus_info));
drvinfo->n_stats = IXGBE_STATS_LEN;
drvinfo->testinfo_len = IXGBE_TEST_LEN;
drvinfo->regdump_len = ixgbe_get_regs_len(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;
}
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;
}
/* 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));
}
/* 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));
}
case ETH_SS_STATS:
return IXGBE_STATS_LEN;
case ETH_SS_NTUPLE_FILTERS:
- return (ETHTOOL_MAX_NTUPLE_LIST_ENTRY *
- ETHTOOL_MAX_NTUPLE_STRING_PER_ENTRY);
+ return ETHTOOL_MAX_NTUPLE_LIST_ENTRY *
+ ETHTOOL_MAX_NTUPLE_STRING_PER_ENTRY;
default:
return -EOPNOTSUPP;
}
struct ethtool_stats *stats, u64 *data)
{
struct ixgbe_adapter *adapter = netdev_priv(netdev);
- u64 *queue_stat;
- int stat_count = sizeof(struct ixgbe_queue_stats) / sizeof(u64);
struct rtnl_link_stats64 temp;
const struct rtnl_link_stats64 *net_stats;
- int j, k;
- int i;
+ unsigned int start;
+ struct ixgbe_ring *ring;
+ int i, j;
char *p = NULL;
ixgbe_update_stats(adapter);
sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
}
for (j = 0; j < adapter->num_tx_queues; j++) {
- queue_stat = (u64 *)&adapter->tx_ring[j]->stats;
- for (k = 0; k < stat_count; k++)
- data[i + k] = queue_stat[k];
- i += k;
+ ring = adapter->tx_ring[j];
+ do {
+ start = u64_stats_fetch_begin_bh(&ring->syncp);
+ data[i] = ring->stats.packets;
+ data[i+1] = ring->stats.bytes;
+ } while (u64_stats_fetch_retry_bh(&ring->syncp, start));
+ i += 2;
}
for (j = 0; j < adapter->num_rx_queues; j++) {
- queue_stat = (u64 *)&adapter->rx_ring[j]->stats;
- for (k = 0; k < stat_count; k++)
- data[i + k] = queue_stat[k];
- i += k;
+ ring = adapter->rx_ring[j];
+ do {
+ start = u64_stats_fetch_begin_bh(&ring->syncp);
+ data[i] = ring->stats.packets;
+ data[i+1] = ring->stats.bytes;
+ } while (u64_stats_fetch_retry_bh(&ring->syncp, start));
+ i += 2;
}
if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
for (j = 0; j < MAX_TX_PACKET_BUFFERS; j++) {
u32 value, before, after;
u32 i, toggle;
- if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
- toggle = 0x7FFFF30F;
- test = reg_test_82599;
- } else {
+ switch (adapter->hw.mac.type) {
+ case ixgbe_mac_82598EB:
toggle = 0x7FFFF3FF;
test = reg_test_82598;
+ break;
+ case ixgbe_mac_82599EB:
+ toggle = 0x7FFFF30F;
+ test = reg_test_82599;
+ break;
+ default:
+ *data = 1;
+ return 1;
+ break;
}
/*
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 */
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);
- if (hw->mac.type == ixgbe_mac_82599EB) {
+ IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(tx_ring->reg_idx), reg_ctl);
+
+ switch (hw->mac.type) {
+ case ixgbe_mac_82599EB:
reg_ctl = IXGBE_READ_REG(hw, IXGBE_DMATXCTL);
reg_ctl &= ~IXGBE_DMATXCTL_TE;
IXGBE_WRITE_REG(hw, IXGBE_DMATXCTL, reg_ctl);
+ break;
+ default:
+ break;
}
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->test_tx_ring);
+ ixgbe_free_rx_resources(&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->dev = &adapter->pdev->dev;
+ tx_ring->netdev = adapter->netdev;
+ tx_ring->reg_idx = adapter->tx_ring[0]->reg_idx;
+ tx_ring->numa_node = adapter->node;
+
+ err = ixgbe_setup_tx_resources(tx_ring);
+ if (err)
+ return 1;
- 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);
-
- if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
+ switch (adapter->hw.mac.type) {
+ case 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);
+ break;
+ default:
+ break;
}
- 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 */
-
- 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)) {
+ rx_ring->count = IXGBE_DEFAULT_RXD;
+ rx_ring->queue_index = 0;
+ rx_ring->dev = &adapter->pdev->dev;
+ rx_ring->netdev = adapter->netdev;
+ 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(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:
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) {
return 13;
}
+static u16 ixgbe_clean_test_rings(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(rx_ring->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(tx_ring, 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(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;
+
+ /* allocate test skb */
+ skb = alloc_skb(size, GFP_KERNEL);
+ if (!skb)
+ return 11;
- IXGBE_WRITE_REG(&adapter->hw, IXGBE_RDT(0), rx_ring->count - 1);
+ /* 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
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,
+ 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 is the same as mis-compare */
- ret_val = 13;
+ ret_val = 12;
break;
}
- if (jiffies >= (time + 20)) {
- /* Error code for time out error */
- ret_val = 14;
+
+ /* allow 200 milliseconds for packets to go from Tx to Rx */
+ msleep(200);
+
+ good_cnt = ixgbe_clean_test_rings(rx_ring, tx_ring, size);
+ if (good_cnt != 64) {
+ ret_val = 13;
break;
}
}
+ /* free the original skb */
+ kfree_skb(skb);
+
return ret_val;
}
return 0;
}
+/*
+ * this function must be called before setting the new value of
+ * rx_itr_setting
+ */
+static bool ixgbe_update_rsc(struct ixgbe_adapter *adapter,
+ struct ethtool_coalesce *ec)
+{
+ struct net_device *netdev = adapter->netdev;
+
+ if (!(adapter->flags2 & IXGBE_FLAG2_RSC_CAPABLE))
+ return false;
+
+ /* if interrupt rate is too high then disable RSC */
+ if (ec->rx_coalesce_usecs != 1 &&
+ ec->rx_coalesce_usecs <= 1000000/IXGBE_MAX_RSC_INT_RATE) {
+ if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) {
+ e_info(probe, "rx-usecs set too low, "
+ "disabling RSC\n");
+ adapter->flags2 &= ~IXGBE_FLAG2_RSC_ENABLED;
+ return true;
+ }
+ } else {
+ /* check the feature flag value and enable RSC if necessary */
+ if ((netdev->features & NETIF_F_LRO) &&
+ !(adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED)) {
+ e_info(probe, "rx-usecs set to %d, "
+ "re-enabling RSC\n",
+ ec->rx_coalesce_usecs);
+ adapter->flags2 |= IXGBE_FLAG2_RSC_ENABLED;
+ return true;
+ }
+ }
+ return false;
+}
+
static int ixgbe_set_coalesce(struct net_device *netdev,
struct ethtool_coalesce *ec)
{
adapter->tx_ring[0]->work_limit = ec->tx_max_coalesced_frames_irq;
if (ec->rx_coalesce_usecs > 1) {
- u32 max_int;
- if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED)
- max_int = IXGBE_MAX_RSC_INT_RATE;
- else
- max_int = IXGBE_MAX_INT_RATE;
-
/* check the limits */
- if ((1000000/ec->rx_coalesce_usecs > max_int) ||
+ if ((1000000/ec->rx_coalesce_usecs > IXGBE_MAX_INT_RATE) ||
(1000000/ec->rx_coalesce_usecs < IXGBE_MIN_INT_RATE))
return -EINVAL;
+ /* check the old value and enable RSC if necessary */
+ need_reset = ixgbe_update_rsc(adapter, ec);
+
/* store the value in ints/second */
adapter->rx_eitr_param = 1000000/ec->rx_coalesce_usecs;
/* clear the lower bit as its used for dynamic state */
adapter->rx_itr_setting &= ~1;
} else if (ec->rx_coalesce_usecs == 1) {
+ /* check the old value and enable RSC if necessary */
+ need_reset = ixgbe_update_rsc(adapter, ec);
+
/* 1 means dynamic mode */
adapter->rx_eitr_param = 20000;
adapter->rx_itr_setting = 1;
} else {
+ /* check the old value and enable RSC if necessary */
+ need_reset = ixgbe_update_rsc(adapter, ec);
/*
* any other value means disable eitr, which is best
* served by setting the interrupt rate very high
*/
adapter->rx_eitr_param = IXGBE_MAX_INT_RATE;
adapter->rx_itr_setting = 0;
-
- /*
- * if hardware RSC is enabled, disable it when
- * setting low latency mode, to avoid errata, assuming
- * that when the user set low latency mode they want
- * it at the cost of anything else
- */
- if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) {
- adapter->flags2 &= ~IXGBE_FLAG2_RSC_ENABLED;
- if (netdev->features & NETIF_F_LRO) {
- netdev->features &= ~NETIF_F_LRO;
- e_info(probe, "rx-usecs set to 0, "
- "disabling RSC\n");
- }
- need_reset = true;
- }
}
if (ec->tx_coalesce_usecs > 1) {
bool need_reset = false;
int rc;
- rc = ethtool_op_set_flags(netdev, data, ETH_FLAG_LRO | ETH_FLAG_NTUPLE);
+#ifdef CONFIG_IXGBE_DCB
+ if ((adapter->flags & IXGBE_FLAG_DCB_ENABLED) &&
+ !(data & ETH_FLAG_RXVLAN))
+ return -EINVAL;
+#endif
+
+ need_reset = (data & ETH_FLAG_RXVLAN) !=
+ (netdev->features & NETIF_F_HW_VLAN_RX);
+
+ rc = ethtool_op_set_flags(netdev, data, ETH_FLAG_LRO |
+ ETH_FLAG_RXVLAN | ETH_FLAG_TXVLAN);
if (rc)
return rc;
/* if state changes we need to update adapter->flags and reset */
- if (adapter->flags2 & IXGBE_FLAG2_RSC_CAPABLE) {
- /*
- * cast both to bool and verify if they are set the same
- * but only enable RSC if itr is non-zero, as
- * itr=0 and RSC are mutually exclusive
- */
- if (((!!(data & ETH_FLAG_LRO)) !=
- (!!(adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED))) &&
- adapter->rx_itr_setting) {
+ if ((adapter->flags2 & IXGBE_FLAG2_RSC_CAPABLE) &&
+ (!!(data & ETH_FLAG_LRO) !=
+ !!(adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED))) {
+ if ((data & ETH_FLAG_LRO) &&
+ (!adapter->rx_itr_setting ||
+ (adapter->rx_itr_setting > IXGBE_MAX_RSC_INT_RATE))) {
+ e_info(probe, "rx-usecs set too low, "
+ "not enabling RSC.\n");
+ } else {
adapter->flags2 ^= IXGBE_FLAG2_RSC_ENABLED;
switch (adapter->hw.mac.type) {
case ixgbe_mac_82599EB:
default:
break;
}
- } else if (!adapter->rx_itr_setting) {
- netdev->features &= ~NETIF_F_LRO;
- if (data & ETH_FLAG_LRO)
- e_info(probe, "rx-usecs set to 0, "
- "LRO/RSC cannot be enabled.\n");
}
}
git://bbs.cooldavid.org / net-next-2.6.git / blobdiff