aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/net
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/ixgbe/ixgbe_main.c27
1 files changed, 23 insertions, 4 deletions
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index 2d0f618b4a9d..5bd9e6bf6f2f 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -44,6 +44,7 @@
44 44
45#include "ixgbe.h" 45#include "ixgbe.h"
46#include "ixgbe_common.h" 46#include "ixgbe_common.h"
47#include "ixgbe_dcb_82599.h"
47 48
48char ixgbe_driver_name[] = "ixgbe"; 49char ixgbe_driver_name[] = "ixgbe";
49static const char ixgbe_driver_string[] = 50static const char ixgbe_driver_string[] =
@@ -462,19 +463,23 @@ static void ixgbe_update_tx_dca(struct ixgbe_adapter *adapter,
462 u32 txctrl; 463 u32 txctrl;
463 int cpu = get_cpu(); 464 int cpu = get_cpu();
464 int q = tx_ring - adapter->tx_ring; 465 int q = tx_ring - adapter->tx_ring;
466 struct ixgbe_hw *hw = &adapter->hw;
465 467
466 if (tx_ring->cpu != cpu) { 468 if (tx_ring->cpu != cpu) {
467 txctrl = IXGBE_READ_REG(&adapter->hw, IXGBE_DCA_TXCTRL(q));
468 if (adapter->hw.mac.type == ixgbe_mac_82598EB) { 469 if (adapter->hw.mac.type == ixgbe_mac_82598EB) {
470 txctrl = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(q));
469 txctrl &= ~IXGBE_DCA_TXCTRL_CPUID_MASK; 471 txctrl &= ~IXGBE_DCA_TXCTRL_CPUID_MASK;
470 txctrl |= dca3_get_tag(&adapter->pdev->dev, cpu); 472 txctrl |= dca3_get_tag(&adapter->pdev->dev, cpu);
473 txctrl |= IXGBE_DCA_TXCTRL_DESC_DCA_EN;
474 IXGBE_WRITE_REG(hw, IXGBE_DCA_TXCTRL(q), txctrl);
471 } else if (adapter->hw.mac.type == ixgbe_mac_82599EB) { 475 } else if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
476 txctrl = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL_82599(q));
472 txctrl &= ~IXGBE_DCA_TXCTRL_CPUID_MASK_82599; 477 txctrl &= ~IXGBE_DCA_TXCTRL_CPUID_MASK_82599;
473 txctrl |= (dca3_get_tag(&adapter->pdev->dev, cpu) << 478 txctrl |= (dca3_get_tag(&adapter->pdev->dev, cpu) <<
474 IXGBE_DCA_TXCTRL_CPUID_SHIFT_82599); 479 IXGBE_DCA_TXCTRL_CPUID_SHIFT_82599);
480 txctrl |= IXGBE_DCA_TXCTRL_DESC_DCA_EN;
481 IXGBE_WRITE_REG(hw, IXGBE_DCA_TXCTRL_82599(q), txctrl);
475 } 482 }
476 txctrl |= IXGBE_DCA_TXCTRL_DESC_DCA_EN;
477 IXGBE_WRITE_REG(&adapter->hw, IXGBE_DCA_TXCTRL(q), txctrl);
478 tx_ring->cpu = cpu; 483 tx_ring->cpu = cpu;
479 } 484 }
480 put_cpu(); 485 put_cpu();
@@ -1963,11 +1968,25 @@ static void ixgbe_configure_tx(struct ixgbe_adapter *adapter)
1963 break; 1968 break;
1964 } 1969 }
1965 } 1970 }
1971
1966 if (hw->mac.type == ixgbe_mac_82599EB) { 1972 if (hw->mac.type == ixgbe_mac_82599EB) {
1973 u32 rttdcs;
1974
1975 /* disable the arbiter while setting MTQC */
1976 rttdcs = IXGBE_READ_REG(hw, IXGBE_RTTDCS);
1977 rttdcs |= IXGBE_RTTDCS_ARBDIS;
1978 IXGBE_WRITE_REG(hw, IXGBE_RTTDCS, rttdcs);
1979
1967 /* We enable 8 traffic classes, DCB only */ 1980 /* We enable 8 traffic classes, DCB only */
1968 if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) 1981 if (adapter->flags & IXGBE_FLAG_DCB_ENABLED)
1969 IXGBE_WRITE_REG(hw, IXGBE_MTQC, (IXGBE_MTQC_RT_ENA | 1982 IXGBE_WRITE_REG(hw, IXGBE_MTQC, (IXGBE_MTQC_RT_ENA |
1970 IXGBE_MTQC_8TC_8TQ)); 1983 IXGBE_MTQC_8TC_8TQ));
1984 else
1985 IXGBE_WRITE_REG(hw, IXGBE_MTQC, IXGBE_MTQC_64Q_1PB);
1986
1987 /* re-eable the arbiter */
1988 rttdcs &= ~IXGBE_RTTDCS_ARBDIS;
1989 IXGBE_WRITE_REG(hw, IXGBE_RTTDCS, rttdcs);
1971 } 1990 }
1972} 1991}
1973 1992