diff options
Diffstat (limited to 'drivers/net/ethernet/intel/ixgbe/ixgbe_dcb.c')
-rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_dcb.c | 39 |
1 files changed, 14 insertions, 25 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb.c index a689ee0d4bed..48f35fc963f8 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb.c @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2013 Intel Corporation. + Copyright(c) 1999 - 2014 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, @@ -87,7 +87,6 @@ s32 ixgbe_dcb_calculate_tc_credits(struct ixgbe_hw *hw, int min_credit; int min_multiplier; int min_percent = 100; - s32 ret_val = 0; /* Initialization values default for Tx settings */ u32 credit_refill = 0; u32 credit_max = 0; @@ -95,10 +94,8 @@ s32 ixgbe_dcb_calculate_tc_credits(struct ixgbe_hw *hw, u8 bw_percent = 0; u8 i; - if (dcb_config == NULL) { - ret_val = DCB_ERR_CONFIG; - goto out; - } + if (!dcb_config) + return DCB_ERR_CONFIG; min_credit = ((max_frame / 2) + DCB_CREDIT_QUANTUM - 1) / DCB_CREDIT_QUANTUM; @@ -174,8 +171,7 @@ s32 ixgbe_dcb_calculate_tc_credits(struct ixgbe_hw *hw, p->data_credits_max = (u16)credit_max; } -out: - return ret_val; + return 0; } void ixgbe_dcb_unpack_pfc(struct ixgbe_dcb_config *cfg, u8 *pfc_en) @@ -236,7 +232,7 @@ u8 ixgbe_dcb_get_tc_from_up(struct ixgbe_dcb_config *cfg, int direction, u8 up) /* If tc is 0 then DCB is likely not enabled or supported */ if (!tc) - goto out; + return 0; /* * Test from maximum TC to 1 and report the first match we find. If @@ -247,7 +243,7 @@ u8 ixgbe_dcb_get_tc_from_up(struct ixgbe_dcb_config *cfg, int direction, u8 up) if (prio_mask & tc_config[tc].path[direction].up_to_tc_bitmap) break; } -out: + return tc; } @@ -269,7 +265,6 @@ void ixgbe_dcb_unpack_map(struct ixgbe_dcb_config *cfg, int direction, u8 *map) s32 ixgbe_dcb_hw_config(struct ixgbe_hw *hw, struct ixgbe_dcb_config *dcb_config) { - s32 ret = 0; u8 pfc_en; u8 ptype[MAX_TRAFFIC_CLASS]; u8 bwgid[MAX_TRAFFIC_CLASS]; @@ -287,37 +282,31 @@ s32 ixgbe_dcb_hw_config(struct ixgbe_hw *hw, switch (hw->mac.type) { case ixgbe_mac_82598EB: - ret = ixgbe_dcb_hw_config_82598(hw, pfc_en, refill, max, - bwgid, ptype); - break; + return ixgbe_dcb_hw_config_82598(hw, pfc_en, refill, max, + bwgid, ptype); case ixgbe_mac_82599EB: case ixgbe_mac_X540: - ret = ixgbe_dcb_hw_config_82599(hw, pfc_en, refill, max, - bwgid, ptype, prio_tc); - break; + return ixgbe_dcb_hw_config_82599(hw, pfc_en, refill, max, + bwgid, ptype, prio_tc); default: break; } - return ret; + return 0; } /* Helper routines to abstract HW specifics from DCB netlink ops */ s32 ixgbe_dcb_hw_pfc_config(struct ixgbe_hw *hw, u8 pfc_en, u8 *prio_tc) { - int ret = -EINVAL; - switch (hw->mac.type) { case ixgbe_mac_82598EB: - ret = ixgbe_dcb_config_pfc_82598(hw, pfc_en); - break; + return ixgbe_dcb_config_pfc_82598(hw, pfc_en); case ixgbe_mac_82599EB: case ixgbe_mac_X540: - ret = ixgbe_dcb_config_pfc_82599(hw, pfc_en, prio_tc); - break; + return ixgbe_dcb_config_pfc_82599(hw, pfc_en, prio_tc); default: break; } - return ret; + return -EINVAL; } s32 ixgbe_dcb_hw_ets(struct ixgbe_hw *hw, struct ieee_ets *ets, int max_frame) |