diff options
Diffstat (limited to 'drivers/net/ethernet/intel')
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 21 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_type.h | 1 |
2 files changed, 19 insertions, 3 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index 2b8ff9557c4..1f936c88ec6 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -4990,17 +4990,32 @@ static int __devinit ixgbe_sw_init(struct ixgbe_adapter *adapter) spin_lock_init(&adapter->fdir_perfect_lock); #ifdef CONFIG_IXGBE_DCB + switch (hw->mac.type) { + case ixgbe_mac_X540: + adapter->dcb_cfg.num_tcs.pg_tcs = X540_TRAFFIC_CLASS; + adapter->dcb_cfg.num_tcs.pfc_tcs = X540_TRAFFIC_CLASS; + break; + default: + adapter->dcb_cfg.num_tcs.pg_tcs = MAX_TRAFFIC_CLASS; + adapter->dcb_cfg.num_tcs.pfc_tcs = MAX_TRAFFIC_CLASS; + break; + } + /* Configure DCB traffic classes */ for (j = 0; j < MAX_TRAFFIC_CLASS; j++) { tc = &adapter->dcb_cfg.tc_config[j]; tc->path[DCB_TX_CONFIG].bwg_id = 0; tc->path[DCB_TX_CONFIG].bwg_percent = 12 + (j & 1); - tc->path[DCB_TX_CONFIG].up_to_tc_bitmap = 1 << j; tc->path[DCB_RX_CONFIG].bwg_id = 0; tc->path[DCB_RX_CONFIG].bwg_percent = 12 + (j & 1); - tc->path[DCB_RX_CONFIG].up_to_tc_bitmap = 1 << j; tc->dcb_pfc = pfc_disabled; } + + /* Initialize default user to priority mapping, UPx->TC0 */ + tc = &adapter->dcb_cfg.tc_config[0]; + tc->path[DCB_TX_CONFIG].up_to_tc_bitmap = 0xFF; + tc->path[DCB_RX_CONFIG].up_to_tc_bitmap = 0xFF; + adapter->dcb_cfg.bw_percentage[DCB_TX_CONFIG][0] = 100; adapter->dcb_cfg.bw_percentage[DCB_RX_CONFIG][0] = 100; adapter->dcb_cfg.pfc_mode_enable = false; @@ -7019,7 +7034,7 @@ int ixgbe_setup_tc(struct net_device *dev, u8 tc) } /* Hardware supports up to 8 traffic classes */ - if (tc > MAX_TRAFFIC_CLASS || + if (tc > adapter->dcb_cfg.num_tcs.pg_tcs || (hw->mac.type == ixgbe_mac_82598EB && tc < MAX_TRAFFIC_CLASS)) return -EINVAL; diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h index baad0cb371f..4ea909c7951 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h @@ -406,6 +406,7 @@ /* DCB registers */ #define MAX_TRAFFIC_CLASS 8 +#define X540_TRAFFIC_CLASS 4 #define IXGBE_RMCS 0x03D00 #define IXGBE_DPMCS 0x07F40 #define IXGBE_PDPMCS 0x0CD00 |