diff options
| author | David S. Miller <davem@davemloft.net> | 2009-04-21 01:32:26 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-04-21 01:32:26 -0700 |
| commit | e5e9743bb7429f53c83ad69b432f7b661e74c3f0 (patch) | |
| tree | db3691aef0d46c4aed4a2be6dc8ab7c44c3488cb /drivers/net/ixgbe/ixgbe_dcb_82599.c | |
| parent | a0f82f64e26929776c58a5c93c2ecb38e3d82815 (diff) | |
| parent | 775d8d931581764a1ec982ebe5a927b12762fb6d (diff) | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
net/core/dev.c
Diffstat (limited to 'drivers/net/ixgbe/ixgbe_dcb_82599.c')
| -rw-r--r-- | drivers/net/ixgbe/ixgbe_dcb_82599.c | 28 |
1 files changed, 17 insertions, 11 deletions
diff --git a/drivers/net/ixgbe/ixgbe_dcb_82599.c b/drivers/net/ixgbe/ixgbe_dcb_82599.c index 470b676c1da..f4417fc3b0f 100644 --- a/drivers/net/ixgbe/ixgbe_dcb_82599.c +++ b/drivers/net/ixgbe/ixgbe_dcb_82599.c @@ -290,7 +290,7 @@ s32 ixgbe_dcb_config_tx_data_arbiter_82599(struct ixgbe_hw *hw, s32 ixgbe_dcb_config_pfc_82599(struct ixgbe_hw *hw, struct ixgbe_dcb_config *dcb_config) { - u32 i, reg; + u32 i, reg, rx_pba_size; /* If PFC is disabled globally then fall back to LFC. */ if (!dcb_config->pfc_mode_enable) { @@ -301,17 +301,23 @@ s32 ixgbe_dcb_config_pfc_82599(struct ixgbe_hw *hw, /* Configure PFC Tx thresholds per TC */ for (i = 0; i < MAX_TRAFFIC_CLASS; i++) { - /* Config and remember Tx */ + if (dcb_config->rx_pba_cfg == pba_equal) + rx_pba_size = IXGBE_RXPBSIZE_64KB; + else + rx_pba_size = (i < 4) ? IXGBE_RXPBSIZE_80KB + : IXGBE_RXPBSIZE_48KB; + + reg = ((rx_pba_size >> 5) & 0xFFE0); if (dcb_config->tc_config[i].dcb_pfc == pfc_enabled_full || - dcb_config->tc_config[i].dcb_pfc == pfc_enabled_tx) { - reg = hw->fc.high_water | IXGBE_FCRTH_FCEN; - IXGBE_WRITE_REG(hw, IXGBE_FCRTH_82599(i), reg); - reg = hw->fc.low_water | IXGBE_FCRTL_XONE; - IXGBE_WRITE_REG(hw, IXGBE_FCRTL_82599(i), reg); - } else { - IXGBE_WRITE_REG(hw, IXGBE_FCRTH_82599(i), 0); - IXGBE_WRITE_REG(hw, IXGBE_FCRTL_82599(i), 0); - } + dcb_config->tc_config[i].dcb_pfc == pfc_enabled_tx) + reg |= IXGBE_FCRTL_XONE; + IXGBE_WRITE_REG(hw, IXGBE_FCRTL_82599(i), reg); + + reg = ((rx_pba_size >> 2) & 0xFFE0); + if (dcb_config->tc_config[i].dcb_pfc == pfc_enabled_full || + dcb_config->tc_config[i].dcb_pfc == pfc_enabled_tx) + reg |= IXGBE_FCRTH_FCEN; + IXGBE_WRITE_REG(hw, IXGBE_FCRTH_82599(i), reg); } /* Configure pause time (2 TCs per register) */ |