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ixgbe: DCB, remove round robin mode on 82598 devices

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Remove round robin configuration code for 82598 parts it
is not settable and is always false.

If we need/want this in the future we can add it back properly.

Signed-off-by: John Fastabend <john.r.fastabend@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:
John Fastabend 2011-01-05 04:47:38 +00:00 committed by Jeff Kirsher
parent 53bb9f80b3
commit 39a7e587ec
3 changed files with 2 additions and 6 deletions
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1
drivers/net/ixgbe/ixgbe_dcb.h
View file

@ -139,7 +139,6 @@ struct ixgbe_dcb_config {
struct tc_configuration tc_config[MAX_TRAFFIC_CLASS]; struct tc_configuration tc_config[MAX_TRAFFIC_CLASS];
u8 bw_percentage[2][MAX_BW_GROUP]; /* One each for Tx/Rx */ u8 bw_percentage[2][MAX_BW_GROUP]; /* One each for Tx/Rx */
bool pfc_mode_enable; bool pfc_mode_enable;
bool round_robin_enable;
enum dcb_rx_pba_cfg rx_pba_cfg; enum dcb_rx_pba_cfg rx_pba_cfg;

6
drivers/net/ixgbe/ixgbe_dcb_82598.c
View file

@ -146,10 +146,8 @@ static s32 ixgbe_dcb_config_tx_desc_arbiter_82598(struct ixgbe_hw *hw,
/* Enable arbiter */ /* Enable arbiter */
reg &= ~IXGBE_DPMCS_ARBDIS; reg &= ~IXGBE_DPMCS_ARBDIS;
if (!(dcb_config->round_robin_enable)) { /* Enable DFP and Recycle mode */
/* Enable DFP and Recycle mode */ reg |= (IXGBE_DPMCS_TDPAC | IXGBE_DPMCS_TRM);
reg |= (IXGBE_DPMCS_TDPAC | IXGBE_DPMCS_TRM);
}
reg |= IXGBE_DPMCS_TSOEF; reg |= IXGBE_DPMCS_TSOEF;
/* Configure Max TSO packet size 34KB including payload and headers */ /* Configure Max TSO packet size 34KB including payload and headers */
reg |= (0x4 << IXGBE_DPMCS_MTSOS_SHIFT); reg |= (0x4 << IXGBE_DPMCS_MTSOS_SHIFT);

1
drivers/net/ixgbe/ixgbe_main.c
View file

@ -5173,7 +5173,6 @@ static int __devinit ixgbe_sw_init(struct ixgbe_adapter *adapter)
adapter->dcb_cfg.bw_percentage[DCB_RX_CONFIG][0] = 100; adapter->dcb_cfg.bw_percentage[DCB_RX_CONFIG][0] = 100;
adapter->dcb_cfg.rx_pba_cfg = pba_equal; adapter->dcb_cfg.rx_pba_cfg = pba_equal;
adapter->dcb_cfg.pfc_mode_enable = false; adapter->dcb_cfg.pfc_mode_enable = false;
adapter->dcb_cfg.round_robin_enable = false;
adapter->dcb_set_bitmap = 0x00; adapter->dcb_set_bitmap = 0x00;
ixgbe_copy_dcb_cfg(&adapter->dcb_cfg, &adapter->temp_dcb_cfg, ixgbe_copy_dcb_cfg(&adapter->dcb_cfg, &adapter->temp_dcb_cfg,
adapter->ring_feature[RING_F_DCB].indices); adapter->ring_feature[RING_F_DCB].indices);