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| author | Emil Tantilov <emil.s.tantilov@intel.com> | 2011-02-26 06:40:16 +0000 |
|---|---|---|
| committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2011-03-07 18:06:43 -0800 |
| commit | 0b0c2b31bdf8d6fb5c14ae70894453ac44d64672 (patch) | |
| tree | 6e15145a52fc22d6701ef3db85e6cab05c39ef24 /drivers/net/ixgbe/ixgbe_82598.c | |
| parent | a3aeea0ec8d3af854edf7dc983dc8cbe803a43e8 (diff) | |
| download | lwn-0b0c2b31bdf8d6fb5c14ae70894453ac44d64672.tar.gz lwn-0b0c2b31bdf8d6fb5c14ae70894453ac44d64672.zip | |
ixgbe: Enable flow control pause parameter auto-negotiation support
This patch enables flow control pause parameters auto-negotiation support
to 82599 based 10G Base-T, backplane devices and multi-speed fiber optics
modules at 1G speed
Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Stephen Ko <stephen.s.ko@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ixgbe/ixgbe_82598.c')
| -rw-r--r-- | drivers/net/ixgbe/ixgbe_82598.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/net/ixgbe/ixgbe_82598.c b/drivers/net/ixgbe/ixgbe_82598.c index dc977b1c8eab..ff23907bde0c 100644 --- a/drivers/net/ixgbe/ixgbe_82598.c +++ b/drivers/net/ixgbe/ixgbe_82598.c @@ -366,7 +366,7 @@ static s32 ixgbe_fc_enable_82598(struct ixgbe_hw *hw, s32 packetbuf_num) /* Negotiate the fc mode to use */ ret_val = ixgbe_fc_autoneg(hw); - if (ret_val) + if (ret_val == IXGBE_ERR_FLOW_CONTROL) goto out; /* Disable any previous flow control settings */ @@ -384,10 +384,10 @@ static s32 ixgbe_fc_enable_82598(struct ixgbe_hw *hw, s32 packetbuf_num) * 2: Tx flow control is enabled (we can send pause frames but * we do not support receiving pause frames). * 3: Both Rx and Tx flow control (symmetric) are enabled. - * other: Invalid. #ifdef CONFIG_DCB * 4: Priority Flow Control is enabled. #endif + * other: Invalid. */ switch (hw->fc.current_mode) { case ixgbe_fc_none: @@ -444,9 +444,10 @@ static s32 ixgbe_fc_enable_82598(struct ixgbe_hw *hw, s32 packetbuf_num) reg = (rx_pba_size - hw->fc.low_water) << 6; if (hw->fc.send_xon) reg |= IXGBE_FCRTL_XONE; + IXGBE_WRITE_REG(hw, IXGBE_FCRTL(packetbuf_num), reg); - reg = (rx_pba_size - hw->fc.high_water) << 10; + reg = (rx_pba_size - hw->fc.high_water) << 6; reg |= IXGBE_FCRTH_FCEN; IXGBE_WRITE_REG(hw, IXGBE_FCRTH(packetbuf_num), reg); |