diff options
| author |   Alexander Duyck <alexander.h.duyck@intel.com> | 2010-08-19 13:34:50 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2010-08-19 16:40:49 -0700 |
| commit | 120ff942cc6357b08fc817d89a5458038942edeb (patch) | |
| tree | f4d5d12e85e948e17d3e28f9325c427204dd7ed4 /drivers/net | |
| parent | ixgbe: combine two modifications of TXDCTL into one (diff) | |
| download | linux-dev-120ff942cc6357b08fc817d89a5458038942edeb.tar.xz linux-dev-120ff942cc6357b08fc817d89a5458038942edeb.zip | |
ixgbe: move configuration of the MTQC register into it's own function
This patch moves the configuration of the MTQC register into it's own
function call similar to ixgbe_setup_mrqc.
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>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/ixgbe/ixgbe_main.c | 73 |
1 files changed, 40 insertions, 33 deletions
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c index 5d90f699fa78..c4e42075335a 100644 --- a/drivers/net/ixgbe/ixgbe_main.c +++ b/drivers/net/ixgbe/ixgbe_main.c @@ -2424,6 +2424,45 @@ static void ixgbe_configure_msi_and_legacy(struct ixgbe_adapter *adapter) e_info(hw, "Legacy interrupt IVAR setup done\n"); } +static void ixgbe_setup_mtqc(struct ixgbe_adapter *adapter) +{ + struct ixgbe_hw *hw = &adapter->hw; + u32 rttdcs; + u32 mask; + + if (hw->mac.type == ixgbe_mac_82598EB) + return; + + /* disable the arbiter while setting MTQC */ + rttdcs = IXGBE_READ_REG(hw, IXGBE_RTTDCS); + rttdcs |= IXGBE_RTTDCS_ARBDIS; + IXGBE_WRITE_REG(hw, IXGBE_RTTDCS, rttdcs); + + /* set transmit pool layout */ + mask = (IXGBE_FLAG_SRIOV_ENABLED | IXGBE_FLAG_DCB_ENABLED); + switch (adapter->flags & mask) { + + case (IXGBE_FLAG_SRIOV_ENABLED): + IXGBE_WRITE_REG(hw, IXGBE_MTQC, + (IXGBE_MTQC_VT_ENA | IXGBE_MTQC_64VF)); + break; + + case (IXGBE_FLAG_DCB_ENABLED): + /* We enable 8 traffic classes, DCB only */ + IXGBE_WRITE_REG(hw, IXGBE_MTQC, + (IXGBE_MTQC_RT_ENA | IXGBE_MTQC_8TC_8TQ)); + break; + + default: + IXGBE_WRITE_REG(hw, IXGBE_MTQC, IXGBE_MTQC_64Q_1PB); + break; + } + + /* re-enable the arbiter */ + rttdcs &= ~IXGBE_RTTDCS_ARBDIS; + IXGBE_WRITE_REG(hw, IXGBE_RTTDCS, rttdcs); +} + /** * ixgbe_configure_tx - Configure 8259x Transmit Unit after Reset * @adapter: board private structure @@ -2475,39 +2514,7 @@ static void ixgbe_configure_tx(struct ixgbe_adapter *adapter) } } - if (hw->mac.type == ixgbe_mac_82599EB) { - u32 rttdcs; - u32 mask; - - /* disable the arbiter while setting MTQC */ - rttdcs = IXGBE_READ_REG(hw, IXGBE_RTTDCS); - rttdcs |= IXGBE_RTTDCS_ARBDIS; - IXGBE_WRITE_REG(hw, IXGBE_RTTDCS, rttdcs); - - /* set transmit pool layout */ - mask = (IXGBE_FLAG_SRIOV_ENABLED | IXGBE_FLAG_DCB_ENABLED); - switch (adapter->flags & mask) { - - case (IXGBE_FLAG_SRIOV_ENABLED): - IXGBE_WRITE_REG(hw, IXGBE_MTQC, - (IXGBE_MTQC_VT_ENA | IXGBE_MTQC_64VF)); - break; - - case (IXGBE_FLAG_DCB_ENABLED): - /* We enable 8 traffic classes, DCB only */ - IXGBE_WRITE_REG(hw, IXGBE_MTQC, - (IXGBE_MTQC_RT_ENA | IXGBE_MTQC_8TC_8TQ)); - break; - - default: - IXGBE_WRITE_REG(hw, IXGBE_MTQC, IXGBE_MTQC_64Q_1PB); - break; - } - - /* re-eable the arbiter */ - rttdcs &= ~IXGBE_RTTDCS_ARBDIS; - IXGBE_WRITE_REG(hw, IXGBE_RTTDCS, rttdcs); - } + ixgbe_setup_mtqc(adapter); } #define IXGBE_SRRCTL_BSIZEHDRSIZE_SHIFT 2 |