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ixgbe: change mac_type if statements to switch statements

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This change replaces a number of if/elseif/else statements with switch
statements to support the addition of future devices to the ixgbe driver.

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>
This commit is contained in:
Alexander Duyck 2010-11-16 19:27:03 -08:00 committed by Jeff Kirsher
parent aa80175a53
commit bd50817859
2 changed files with 252 additions and 144 deletions
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45
drivers/net/ixgbe/ixgbe_ethtool.c
View file

@ -525,10 +525,20 @@ static void ixgbe_get_regs(struct net_device *netdev,
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);
@ -1226,12 +1236,19 @@ static int ixgbe_reg_test(struct ixgbe_adapter *adapter, u64 *data)
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;
}
/*
@ -1449,10 +1466,14 @@ static void ixgbe_free_desc_rings(struct ixgbe_adapter *adapter)
reg_ctl &= ~IXGBE_TXDCTL_ENABLE;
IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(tx_ring->reg_idx), reg_ctl);
if (hw->mac.type == ixgbe_mac_82599EB) {
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);
@ -1481,10 +1502,14 @@ static int ixgbe_setup_desc_rings(struct ixgbe_adapter *adapter)
if (err)
return 1;
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;
}
ixgbe_configure_tx_ring(adapter, tx_ring);

351
drivers/net/ixgbe/ixgbe_main.c
View file

@ -589,14 +589,19 @@ static inline void ixgbe_irq_rearm_queues(struct ixgbe_adapter *adapter,
{
u32 mask;
if (adapter->hw.mac.type == ixgbe_mac_82598EB) {
switch (adapter->hw.mac.type) {
case ixgbe_mac_82598EB:
mask = (IXGBE_EIMS_RTX_QUEUE & qmask);
IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS, mask);
} else {
break;
case ixgbe_mac_82599EB:
mask = (qmask & 0xFFFFFFFF);
IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS_EX(0), mask);
mask = (qmask >> 32);
IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS_EX(1), mask);
break;
default:
break;
}
}
@ -672,6 +677,7 @@ static inline bool ixgbe_tx_xon_state(struct ixgbe_adapter *adapter,
break;
default:
tc = 0;
break;
}
txoff <<= tc;
}
@ -1474,11 +1480,18 @@ static void ixgbe_configure_msix(struct ixgbe_adapter *adapter)
}
}
if (adapter->hw.mac.type == ixgbe_mac_82598EB)
switch (adapter->hw.mac.type) {
case ixgbe_mac_82598EB:
ixgbe_set_ivar(adapter, -1, IXGBE_IVAR_OTHER_CAUSES_INDEX,
v_idx);
else if (adapter->hw.mac.type == ixgbe_mac_82599EB)
break;
case ixgbe_mac_82599EB:
ixgbe_set_ivar(adapter, -1, 1, v_idx);
break;
default:
break;
}
IXGBE_WRITE_REG(&adapter->hw, IXGBE_EITR(v_idx), 1950);
/* set up to autoclear timer, and the vectors */
@ -1574,10 +1587,12 @@ void ixgbe_write_eitr(struct ixgbe_q_vector *q_vector)
int v_idx = q_vector->v_idx;
u32 itr_reg = EITR_INTS_PER_SEC_TO_REG(q_vector->eitr);
if (adapter->hw.mac.type == ixgbe_mac_82598EB) {
switch (adapter->hw.mac.type) {
case ixgbe_mac_82598EB:
/* must write high and low 16 bits to reset counter */
itr_reg |= (itr_reg << 16);
} else if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
break;
case ixgbe_mac_82599EB:
/*
* 82599 can support a value of zero, so allow it for
* max interrupt rate, but there is an errata where it can
@ -1592,6 +1607,9 @@ void ixgbe_write_eitr(struct ixgbe_q_vector *q_vector)
* immediate assertion of the interrupt
*/
itr_reg |= IXGBE_EITR_CNT_WDIS;
break;
default:
break;
}
IXGBE_WRITE_REG(hw, IXGBE_EITR(v_idx), itr_reg);
}
@ -1771,16 +1789,8 @@ static irqreturn_t ixgbe_msix_lsc(int irq, void *data)
if (eicr & IXGBE_EICR_MAILBOX)
ixgbe_msg_task(adapter);
if (hw->mac.type == ixgbe_mac_82598EB)
ixgbe_check_fan_failure(adapter, eicr);
if (hw->mac.type == ixgbe_mac_82599EB) {
ixgbe_check_sfp_event(adapter, eicr);
adapter->interrupt_event = eicr;
if ((adapter->flags2 & IXGBE_FLAG2_TEMP_SENSOR_CAPABLE) &&
((eicr & IXGBE_EICR_GPI_SDP0) || (eicr & IXGBE_EICR_LSC)))
schedule_work(&adapter->check_overtemp_task);
switch (hw->mac.type) {
case ixgbe_mac_82599EB:
/* Handle Flow Director Full threshold interrupt */
if (eicr & IXGBE_EICR_FLOW_DIR) {
int i;
@ -1795,7 +1805,19 @@ static irqreturn_t ixgbe_msix_lsc(int irq, void *data)
schedule_work(&adapter->fdir_reinit_task);
}
}
ixgbe_check_sfp_event(adapter, eicr);
if ((adapter->flags2 & IXGBE_FLAG2_TEMP_SENSOR_CAPABLE) &&
((eicr & IXGBE_EICR_GPI_SDP0) || (eicr & IXGBE_EICR_LSC))) {
adapter->interrupt_event = eicr;
schedule_work(&adapter->check_overtemp_task);
}
break;
default:
break;
}
ixgbe_check_fan_failure(adapter, eicr);
if (!test_bit(__IXGBE_DOWN, &adapter->state))
IXGBE_WRITE_REG(hw, IXGBE_EIMS, IXGBE_EIMS_OTHER);
@ -1806,15 +1828,23 @@ static inline void ixgbe_irq_enable_queues(struct ixgbe_adapter *adapter,
u64 qmask)
{
u32 mask;
struct ixgbe_hw *hw = &adapter->hw;
if (adapter->hw.mac.type == ixgbe_mac_82598EB) {
switch (hw->mac.type) {
case ixgbe_mac_82598EB:
mask = (IXGBE_EIMS_RTX_QUEUE & qmask);
IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMS, mask);
} else {
IXGBE_WRITE_REG(hw, IXGBE_EIMS, mask);
break;
case ixgbe_mac_82599EB:
mask = (qmask & 0xFFFFFFFF);
IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMS_EX(0), mask);
if (mask)
IXGBE_WRITE_REG(hw, IXGBE_EIMS_EX(0), mask);
mask = (qmask >> 32);
IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMS_EX(1), mask);
if (mask)
IXGBE_WRITE_REG(hw, IXGBE_EIMS_EX(1), mask);
break;
default:
break;
}
/* skip the flush */
}
@ -1823,15 +1853,23 @@ static inline void ixgbe_irq_disable_queues(struct ixgbe_adapter *adapter,
u64 qmask)
{
u32 mask;
struct ixgbe_hw *hw = &adapter->hw;
if (adapter->hw.mac.type == ixgbe_mac_82598EB) {
switch (hw->mac.type) {
case ixgbe_mac_82598EB:
mask = (IXGBE_EIMS_RTX_QUEUE & qmask);
IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, mask);
} else {
IXGBE_WRITE_REG(hw, IXGBE_EIMC, mask);
break;
case ixgbe_mac_82599EB:
mask = (qmask & 0xFFFFFFFF);
IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC_EX(0), mask);
if (mask)
IXGBE_WRITE_REG(hw, IXGBE_EIMC_EX(0), mask);
mask = (qmask >> 32);
IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC_EX(1), mask);
if (mask)
IXGBE_WRITE_REG(hw, IXGBE_EIMC_EX(1), mask);
break;
default:
break;
}
/* skip the flush */
}
@ -2288,12 +2326,16 @@ static inline void ixgbe_irq_enable(struct ixgbe_adapter *adapter, bool queues,
mask |= IXGBE_EIMS_GPI_SDP0;
if (adapter->flags & IXGBE_FLAG_FAN_FAIL_CAPABLE)
mask |= IXGBE_EIMS_GPI_SDP1;
if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
switch (adapter->hw.mac.type) {
case ixgbe_mac_82599EB:
mask |= IXGBE_EIMS_ECC;
mask |= IXGBE_EIMS_GPI_SDP1;
mask |= IXGBE_EIMS_GPI_SDP2;
if (adapter->num_vfs)
mask |= IXGBE_EIMS_MAILBOX;
break;
default:
break;
}
if (adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE ||
adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE)
@ -2349,13 +2391,20 @@ static irqreturn_t ixgbe_intr(int irq, void *data)
if (eicr & IXGBE_EICR_LSC)
ixgbe_check_lsc(adapter);
if (hw->mac.type == ixgbe_mac_82599EB)
switch (hw->mac.type) {
case ixgbe_mac_82599EB:
ixgbe_check_sfp_event(adapter, eicr);
if ((adapter->flags2 & IXGBE_FLAG2_TEMP_SENSOR_CAPABLE) &&
((eicr & IXGBE_EICR_GPI_SDP0) || (eicr & IXGBE_EICR_LSC))) {
adapter->interrupt_event = eicr;
schedule_work(&adapter->check_overtemp_task);
}
break;
default:
break;
}
ixgbe_check_fan_failure(adapter, eicr);
if ((adapter->flags2 & IXGBE_FLAG2_TEMP_SENSOR_CAPABLE) &&
((eicr & IXGBE_EICR_GPI_SDP0) || (eicr & IXGBE_EICR_LSC)))
schedule_work(&adapter->check_overtemp_task);
if (napi_schedule_prep(&(q_vector->napi))) {
adapter->tx_ring[0]->total_packets = 0;
@ -2448,14 +2497,19 @@ static void ixgbe_free_irq(struct ixgbe_adapter *adapter)
**/
static inline void ixgbe_irq_disable(struct ixgbe_adapter *adapter)
{
if (adapter->hw.mac.type == ixgbe_mac_82598EB) {
switch (adapter->hw.mac.type) {
case ixgbe_mac_82598EB:
IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, ~0);
} else {
break;
case ixgbe_mac_82599EB:
IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, 0xFFFF0000);
IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC_EX(0), ~0);
IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC_EX(1), ~0);
if (adapter->num_vfs > 32)
IXGBE_WRITE_REG(&adapter->hw, IXGBE_EITRSEL, 0);
break;
default:
break;
}
IXGBE_WRITE_FLUSH(&adapter->hw);
if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) {
@ -2630,15 +2684,20 @@ static void ixgbe_configure_srrctl(struct ixgbe_adapter *adapter,
struct ixgbe_ring *rx_ring)
{
u32 srrctl;
int index;
struct ixgbe_ring_feature *feature = adapter->ring_feature;
int index = rx_ring->reg_idx;
index = rx_ring->reg_idx;
if (adapter->hw.mac.type == ixgbe_mac_82598EB) {
unsigned long mask;
mask = (unsigned long) feature[RING_F_RSS].mask;
switch (adapter->hw.mac.type) {
case ixgbe_mac_82598EB: {
struct ixgbe_ring_feature *feature = adapter->ring_feature;
const int mask = feature[RING_F_RSS].mask;
index = index & mask;
}
break;
case ixgbe_mac_82599EB:
default:
break;
}
srrctl = IXGBE_READ_REG(&adapter->hw, IXGBE_SRRCTL(index));
srrctl &= ~IXGBE_SRRCTL_BSIZEHDR_MASK;
@ -3899,10 +3958,15 @@ void ixgbe_down(struct ixgbe_adapter *adapter)
(txdctl & ~IXGBE_TXDCTL_ENABLE));
}
/* Disable the Tx DMA engine on 82599 */
if (hw->mac.type == ixgbe_mac_82599EB)
switch (hw->mac.type) {
case ixgbe_mac_82599EB:
IXGBE_WRITE_REG(hw, IXGBE_DMATXCTL,
(IXGBE_READ_REG(hw, IXGBE_DMATXCTL) &
~IXGBE_DMATXCTL_TE));
break;
default:
break;
}
/* power down the optics */
if (hw->phy.multispeed_fiber)
@ -4260,71 +4324,66 @@ static inline bool ixgbe_cache_ring_dcb(struct ixgbe_adapter *adapter)
bool ret = false;
int dcb_i = adapter->ring_feature[RING_F_DCB].indices;
if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
if (adapter->hw.mac.type == ixgbe_mac_82598EB) {
/* the number of queues is assumed to be symmetric */
for (i = 0; i < dcb_i; i++) {
adapter->rx_ring[i]->reg_idx = i << 3;
adapter->tx_ring[i]->reg_idx = i << 2;
if (!(adapter->flags & IXGBE_FLAG_DCB_ENABLED))
return false;
/* the number of queues is assumed to be symmetric */
switch (adapter->hw.mac.type) {
case ixgbe_mac_82598EB:
for (i = 0; i < dcb_i; i++) {
adapter->rx_ring[i]->reg_idx = i << 3;
adapter->tx_ring[i]->reg_idx = i << 2;
}
ret = true;
break;
case ixgbe_mac_82599EB:
if (dcb_i == 8) {
/*
* Tx TC0 starts at: descriptor queue 0
* Tx TC1 starts at: descriptor queue 32
* Tx TC2 starts at: descriptor queue 64
* Tx TC3 starts at: descriptor queue 80
* Tx TC4 starts at: descriptor queue 96
* Tx TC5 starts at: descriptor queue 104
* Tx TC6 starts at: descriptor queue 112
* Tx TC7 starts at: descriptor queue 120
*
* Rx TC0-TC7 are offset by 16 queues each
*/
for (i = 0; i < 3; i++) {
adapter->tx_ring[i]->reg_idx = i << 5;
adapter->rx_ring[i]->reg_idx = i << 4;
}
for ( ; i < 5; i++) {
adapter->tx_ring[i]->reg_idx = ((i + 2) << 4);
adapter->rx_ring[i]->reg_idx = i << 4;
}
for ( ; i < dcb_i; i++) {
adapter->tx_ring[i]->reg_idx = ((i + 8) << 3);
adapter->rx_ring[i]->reg_idx = i << 4;
}
ret = true;
} else if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
if (dcb_i == 8) {
/*
* Tx TC0 starts at: descriptor queue 0
* Tx TC1 starts at: descriptor queue 32
* Tx TC2 starts at: descriptor queue 64
* Tx TC3 starts at: descriptor queue 80
* Tx TC4 starts at: descriptor queue 96
* Tx TC5 starts at: descriptor queue 104
* Tx TC6 starts at: descriptor queue 112
* Tx TC7 starts at: descriptor queue 120
*
* Rx TC0-TC7 are offset by 16 queues each
*/
for (i = 0; i < 3; i++) {
adapter->tx_ring[i]->reg_idx = i << 5;
adapter->rx_ring[i]->reg_idx = i << 4;
}
for ( ; i < 5; i++) {
adapter->tx_ring[i]->reg_idx =
((i + 2) << 4);
adapter->rx_ring[i]->reg_idx = i << 4;
}
for ( ; i < dcb_i; i++) {
adapter->tx_ring[i]->reg_idx =
((i + 8) << 3);
adapter->rx_ring[i]->reg_idx = i << 4;
}
ret = true;
} else if (dcb_i == 4) {
/*
* Tx TC0 starts at: descriptor queue 0
* Tx TC1 starts at: descriptor queue 64
* Tx TC2 starts at: descriptor queue 96
* Tx TC3 starts at: descriptor queue 112
*
* Rx TC0-TC3 are offset by 32 queues each
*/
adapter->tx_ring[0]->reg_idx = 0;
adapter->tx_ring[1]->reg_idx = 64;
adapter->tx_ring[2]->reg_idx = 96;
adapter->tx_ring[3]->reg_idx = 112;
for (i = 0 ; i < dcb_i; i++)
adapter->rx_ring[i]->reg_idx = i << 5;
ret = true;
} else {
ret = false;
}
} else {
ret = false;
} else if (dcb_i == 4) {
/*
* Tx TC0 starts at: descriptor queue 0
* Tx TC1 starts at: descriptor queue 64
* Tx TC2 starts at: descriptor queue 96
* Tx TC3 starts at: descriptor queue 112
*
* Rx TC0-TC3 are offset by 32 queues each
*/
adapter->tx_ring[0]->reg_idx = 0;
adapter->tx_ring[1]->reg_idx = 64;
adapter->tx_ring[2]->reg_idx = 96;
adapter->tx_ring[3]->reg_idx = 112;
for (i = 0 ; i < dcb_i; i++)
adapter->rx_ring[i]->reg_idx = i << 5;
ret = true;
}
} else {
ret = false;
break;
default:
break;
}
return ret;
}
#endif
@ -4885,11 +4944,13 @@ static int __devinit ixgbe_sw_init(struct ixgbe_adapter *adapter)
adapter->ring_feature[RING_F_RSS].indices = rss;
adapter->flags |= IXGBE_FLAG_RSS_ENABLED;
adapter->ring_feature[RING_F_DCB].indices = IXGBE_MAX_DCB_INDICES;
if (hw->mac.type == ixgbe_mac_82598EB) {
switch (hw->mac.type) {
case ixgbe_mac_82598EB:
if (hw->device_id == IXGBE_DEV_ID_82598AT)
adapter->flags |= IXGBE_FLAG_FAN_FAIL_CAPABLE;
adapter->max_msix_q_vectors = MAX_MSIX_Q_VECTORS_82598;
} else if (hw->mac.type == ixgbe_mac_82599EB) {
break;
case ixgbe_mac_82599EB:
adapter->max_msix_q_vectors = MAX_MSIX_Q_VECTORS_82599;
adapter->flags2 |= IXGBE_FLAG2_RSC_CAPABLE;
adapter->flags2 |= IXGBE_FLAG2_RSC_ENABLED;
@ -4918,6 +4979,9 @@ static int __devinit ixgbe_sw_init(struct ixgbe_adapter *adapter)
adapter->fcoe.up = IXGBE_FCOE_DEFTC;
#endif
#endif /* IXGBE_FCOE */
break;
default:
break;
}
#ifdef CONFIG_IXGBE_DCB
@ -5400,10 +5464,16 @@ static int __ixgbe_shutdown(struct pci_dev *pdev, bool *enable_wake)
IXGBE_WRITE_REG(hw, IXGBE_WUFC, 0);
}
if (wufc && hw->mac.type == ixgbe_mac_82599EB)
pci_wake_from_d3(pdev, true);
else
switch (hw->mac.type) {
case ixgbe_mac_82598EB:
pci_wake_from_d3(pdev, false);
break;
case ixgbe_mac_82599EB:
pci_wake_from_d3(pdev, !!wufc);
break;
default:
break;
}
*enable_wake = !!wufc;
@ -5522,17 +5592,21 @@ void ixgbe_update_stats(struct ixgbe_adapter *adapter)
hwstats->qbtc[i] += IXGBE_READ_REG(hw, IXGBE_QBTC(i));
hwstats->qprc[i] += IXGBE_READ_REG(hw, IXGBE_QPRC(i));
hwstats->qbrc[i] += IXGBE_READ_REG(hw, IXGBE_QBRC(i));
if (hw->mac.type == ixgbe_mac_82599EB) {
hwstats->pxonrxc[i] +=
IXGBE_READ_REG(hw, IXGBE_PXONRXCNT(i));
hwstats->pxoffrxc[i] +=
IXGBE_READ_REG(hw, IXGBE_PXOFFRXCNT(i));
hwstats->qprdc[i] += IXGBE_READ_REG(hw, IXGBE_QPRDC(i));
} else {
switch (hw->mac.type) {
case ixgbe_mac_82598EB:
hwstats->pxonrxc[i] +=
IXGBE_READ_REG(hw, IXGBE_PXONRXC(i));
hwstats->pxoffrxc[i] +=
IXGBE_READ_REG(hw, IXGBE_PXOFFRXC(i));
break;
case ixgbe_mac_82599EB:
hwstats->pxonrxc[i] +=
IXGBE_READ_REG(hw, IXGBE_PXONRXCNT(i));
hwstats->pxoffrxc[i] +=
IXGBE_READ_REG(hw, IXGBE_PXOFFRXCNT(i));
break;
default:
break;
}
hwstats->pxontxc[i] += IXGBE_READ_REG(hw, IXGBE_PXONTXC(i));
hwstats->pxofftxc[i] += IXGBE_READ_REG(hw, IXGBE_PXOFFTXC(i));
@ -5542,18 +5616,21 @@ void ixgbe_update_stats(struct ixgbe_adapter *adapter)
hwstats->gprc -= missed_rx;
/* 82598 hardware only has a 32 bit counter in the high register */
if (hw->mac.type == ixgbe_mac_82599EB) {
u64 tmp;
switch (hw->mac.type) {
case ixgbe_mac_82598EB:
hwstats->lxonrxc += IXGBE_READ_REG(hw, IXGBE_LXONRXC);
hwstats->lxoffrxc += IXGBE_READ_REG(hw, IXGBE_LXOFFRXC);
hwstats->gorc += IXGBE_READ_REG(hw, IXGBE_GORCH);
hwstats->gotc += IXGBE_READ_REG(hw, IXGBE_GOTCH);
hwstats->tor += IXGBE_READ_REG(hw, IXGBE_TORH);
break;
case ixgbe_mac_82599EB:
hwstats->gorc += IXGBE_READ_REG(hw, IXGBE_GORCL);
tmp = IXGBE_READ_REG(hw, IXGBE_GORCH) & 0xF;
/* 4 high bits of GORC */
hwstats->gorc += (tmp << 32);
IXGBE_READ_REG(hw, IXGBE_GORCH); /* to clear */
hwstats->gotc += IXGBE_READ_REG(hw, IXGBE_GOTCL);
tmp = IXGBE_READ_REG(hw, IXGBE_GOTCH) & 0xF;
/* 4 high bits of GOTC */
hwstats->gotc += (tmp << 32);
IXGBE_READ_REG(hw, IXGBE_GOTCH); /* to clear */
hwstats->tor += IXGBE_READ_REG(hw, IXGBE_TORL);
IXGBE_READ_REG(hw, IXGBE_TORH); /* to clear */
IXGBE_READ_REG(hw, IXGBE_TORH); /* to clear */
hwstats->lxonrxc += IXGBE_READ_REG(hw, IXGBE_LXONRXCNT);
hwstats->lxoffrxc += IXGBE_READ_REG(hw, IXGBE_LXOFFRXCNT);
hwstats->fdirmatch += IXGBE_READ_REG(hw, IXGBE_FDIRMATCH);
@ -5566,12 +5643,9 @@ void ixgbe_update_stats(struct ixgbe_adapter *adapter)
hwstats->fcoedwrc += IXGBE_READ_REG(hw, IXGBE_FCOEDWRC);
hwstats->fcoedwtc += IXGBE_READ_REG(hw, IXGBE_FCOEDWTC);
#endif /* IXGBE_FCOE */
} else {
hwstats->lxonrxc += IXGBE_READ_REG(hw, IXGBE_LXONRXC);
hwstats->lxoffrxc += IXGBE_READ_REG(hw, IXGBE_LXOFFRXC);
hwstats->gorc += IXGBE_READ_REG(hw, IXGBE_GORCH);
hwstats->gotc += IXGBE_READ_REG(hw, IXGBE_GOTCH);
hwstats->tor += IXGBE_READ_REG(hw, IXGBE_TORH);
break;
default:
break;
}
bprc = IXGBE_READ_REG(hw, IXGBE_BPRC);
hwstats->bprc += bprc;
@ -5807,17 +5881,26 @@ static void ixgbe_watchdog_task(struct work_struct *work)
if (!netif_carrier_ok(netdev)) {
bool flow_rx, flow_tx;
if (hw->mac.type == ixgbe_mac_82599EB) {
u32 mflcn = IXGBE_READ_REG(hw, IXGBE_MFLCN);
u32 fccfg = IXGBE_READ_REG(hw, IXGBE_FCCFG);
flow_rx = !!(mflcn & IXGBE_MFLCN_RFCE);
flow_tx = !!(fccfg & IXGBE_FCCFG_TFCE_802_3X);
} else {
switch (hw->mac.type) {
case ixgbe_mac_82598EB: {
u32 frctl = IXGBE_READ_REG(hw, IXGBE_FCTRL);
u32 rmcs = IXGBE_READ_REG(hw, IXGBE_RMCS);
flow_rx = !!(frctl & IXGBE_FCTRL_RFCE);
flow_tx = !!(rmcs & IXGBE_RMCS_TFCE_802_3X);
}
break;
case ixgbe_mac_82599EB: {
u32 mflcn = IXGBE_READ_REG(hw, IXGBE_MFLCN);
u32 fccfg = IXGBE_READ_REG(hw, IXGBE_FCCFG);
flow_rx = !!(mflcn & IXGBE_MFLCN_RFCE);
flow_tx = !!(fccfg & IXGBE_FCCFG_TFCE_802_3X);
}
break;
default:
flow_tx = false;
flow_rx = false;
break;
}
e_info(drv, "NIC Link is Up %s, Flow Control: %s\n",
(link_speed == IXGBE_LINK_SPEED_10GB_FULL ?