diff options
Diffstat (limited to 'drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c')
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c | 43 |
1 files changed, 30 insertions, 13 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c index da31735311f1..dde65f951400 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2011 Intel Corporation. + Copyright(c) 1999 - 2012 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, @@ -111,7 +111,9 @@ static u8 ixgbe_dcbnl_get_state(struct net_device *netdev) static u8 ixgbe_dcbnl_set_state(struct net_device *netdev, u8 state) { - u8 err = 0; + int err = 0; + u8 prio_tc[MAX_USER_PRIORITY] = {0}; + int i; struct ixgbe_adapter *adapter = netdev_priv(netdev); /* Fail command if not in CEE mode */ @@ -120,14 +122,23 @@ static u8 ixgbe_dcbnl_set_state(struct net_device *netdev, u8 state) /* verify there is something to do, if not then exit */ if (!!state != !(adapter->flags & IXGBE_FLAG_DCB_ENABLED)) - return err; + goto out; - if (state > 0) + if (state > 0) { err = ixgbe_setup_tc(netdev, adapter->dcb_cfg.num_tcs.pg_tcs); - else + ixgbe_dcb_unpack_map(&adapter->dcb_cfg, DCB_TX_CONFIG, prio_tc); + } else { err = ixgbe_setup_tc(netdev, 0); + } - return err; + if (err) + goto out; + + for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) + netdev_set_prio_tc_map(netdev, i, prio_tc[i]); + +out: + return err ? 1 : 0; } static void ixgbe_dcbnl_get_perm_hw_addr(struct net_device *netdev, @@ -479,7 +490,7 @@ static u8 ixgbe_dcbnl_getcap(struct net_device *netdev, int capid, u8 *cap) return 0; } -static u8 ixgbe_dcbnl_getnumtcs(struct net_device *netdev, int tcid, u8 *num) +static int ixgbe_dcbnl_getnumtcs(struct net_device *netdev, int tcid, u8 *num) { struct ixgbe_adapter *adapter = netdev_priv(netdev); u8 rval = 0; @@ -503,7 +514,7 @@ static u8 ixgbe_dcbnl_getnumtcs(struct net_device *netdev, int tcid, u8 *num) return rval; } -static u8 ixgbe_dcbnl_setnumtcs(struct net_device *netdev, int tcid, u8 num) +static int ixgbe_dcbnl_setnumtcs(struct net_device *netdev, int tcid, u8 num) { return -EINVAL; } @@ -574,7 +585,7 @@ static int ixgbe_dcbnl_ieee_setets(struct net_device *dev, { struct ixgbe_adapter *adapter = netdev_priv(dev); int max_frame = dev->mtu + ETH_HLEN + ETH_FCS_LEN; - int i; + int i, err = 0; __u8 max_tc = 0; if (!(adapter->dcbx_cap & DCB_CAP_DCBX_VER_IEEE)) @@ -601,12 +612,17 @@ static int ixgbe_dcbnl_ieee_setets(struct net_device *dev, return -EINVAL; if (max_tc != netdev_get_num_tc(dev)) - ixgbe_setup_tc(dev, max_tc); + err = ixgbe_setup_tc(dev, max_tc); + + if (err) + goto err_out; for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) netdev_set_prio_tc_map(dev, i, ets->prio_tc[i]); - return ixgbe_dcb_hw_ets(&adapter->hw, ets, max_frame); + err = ixgbe_dcb_hw_ets(&adapter->hw, ets, max_frame); +err_out: + return err; } static int ixgbe_dcbnl_ieee_getpfc(struct net_device *dev, @@ -719,6 +735,7 @@ static u8 ixgbe_dcbnl_setdcbx(struct net_device *dev, u8 mode) struct ixgbe_adapter *adapter = netdev_priv(dev); struct ieee_ets ets = {0}; struct ieee_pfc pfc = {0}; + int err = 0; /* no support for LLD_MANAGED modes or CEE+IEEE */ if ((mode & DCB_CAP_DCBX_LLD_MANAGED) || @@ -749,10 +766,10 @@ static u8 ixgbe_dcbnl_setdcbx(struct net_device *dev, u8 mode) */ ixgbe_dcbnl_ieee_setets(dev, &ets); ixgbe_dcbnl_ieee_setpfc(dev, &pfc); - ixgbe_setup_tc(dev, 0); + err = ixgbe_setup_tc(dev, 0); } - return 0; + return err ? 1 : 0; } const struct dcbnl_rtnl_ops dcbnl_ops = { |