diff options
Diffstat (limited to 'drivers/net/ethernet/intel')
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_dcb.c | 36 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_dcb.h | 3 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c | 54 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 18 |
4 files changed, 69 insertions, 42 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb.c index 9d88c31487bc..83bf7cc3fbf0 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb.c @@ -40,7 +40,8 @@ * hardware. The IEEE 802.1Qaz specification do not use bandwidth * groups so this is much simplified from the CEE case. */ -s32 ixgbe_ieee_credits(__u8 *bw, __u16 *refill, __u16 *max, int max_frame) +static s32 ixgbe_ieee_credits(__u8 *bw, __u16 *refill, + __u16 *max, int max_frame) { int min_percent = 100; int min_credit, multiplier; @@ -291,6 +292,39 @@ s32 ixgbe_dcb_hw_pfc_config(struct ixgbe_hw *hw, u8 pfc_en) return ret; } +s32 ixgbe_dcb_hw_ets(struct ixgbe_hw *hw, struct ieee_ets *ets, int max_frame) +{ + __u16 refill[IEEE_8021QAZ_MAX_TCS], max[IEEE_8021QAZ_MAX_TCS]; + __u8 prio_type[IEEE_8021QAZ_MAX_TCS]; + int i; + + /* naively give each TC a bwg to map onto CEE hardware */ + __u8 bwg_id[IEEE_8021QAZ_MAX_TCS] = {0, 1, 2, 3, 4, 5, 6, 7}; + + /* Map TSA onto CEE prio type */ + for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { + switch (ets->tc_tsa[i]) { + case IEEE_8021QAZ_TSA_STRICT: + prio_type[i] = 2; + break; + case IEEE_8021QAZ_TSA_ETS: + prio_type[i] = 0; + break; + default: + /* Hardware only supports priority strict or + * ETS transmission selection algorithms if + * we receive some other value from dcbnl + * throw an error + */ + return -EINVAL; + } + } + + ixgbe_ieee_credits(ets->tc_tx_bw, refill, max, max_frame); + return ixgbe_dcb_hw_ets_config(hw, refill, max, + bwg_id, prio_type, ets->prio_tc); +} + s32 ixgbe_dcb_hw_ets_config(struct ixgbe_hw *hw, u16 *refill, u16 *max, u8 *bwg_id, u8 *prio_type, u8 *prio_tc) diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb.h index e85826ae0320..0a68aa7f5d18 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb.h +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb.h @@ -29,6 +29,7 @@ #ifndef _DCB_CONFIG_H_ #define _DCB_CONFIG_H_ +#include <linux/dcbnl.h> #include "ixgbe_type.h" /* DCB data structures */ @@ -147,11 +148,11 @@ void ixgbe_dcb_unpack_bwgid(struct ixgbe_dcb_config *, int, u8 *); void ixgbe_dcb_unpack_prio(struct ixgbe_dcb_config *, int, u8 *); /* DCB credits calculation */ -s32 ixgbe_ieee_credits(__u8 *bw, __u16 *refill, __u16 *max, int max_frame); s32 ixgbe_dcb_calculate_tc_credits(struct ixgbe_hw *, struct ixgbe_dcb_config *, int, u8); /* DCB hw initialization */ +s32 ixgbe_dcb_hw_ets(struct ixgbe_hw *hw, struct ieee_ets *ets, int max); s32 ixgbe_dcb_hw_ets_config(struct ixgbe_hw *hw, u16 *refill, u16 *max, u8 *bwg_id, u8 *prio_type, u8 *tc_prio); s32 ixgbe_dcb_hw_pfc_config(struct ixgbe_hw *hw, u8 pfc_en); diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c index 0422e356b6fc..22caad7b200b 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c @@ -114,6 +114,10 @@ static u8 ixgbe_dcbnl_set_state(struct net_device *netdev, u8 state) u8 err = 0; struct ixgbe_adapter *adapter = netdev_priv(netdev); + /* Fail command if not in CEE mode */ + if (!(adapter->dcbx_cap & DCB_CAP_DCBX_VER_CEE)) + return 1; + /* verify there is something to do, if not then exit */ if (!!state != !(adapter->flags & IXGBE_FLAG_DCB_ENABLED)) return err; @@ -301,6 +305,10 @@ static u8 ixgbe_dcbnl_set_all(struct net_device *netdev) u8 up = dcb_getapp(netdev, &app); #endif + /* Fail command if not in CEE mode */ + if (!(adapter->dcbx_cap & DCB_CAP_DCBX_VER_CEE)) + return 1; + ret = ixgbe_copy_dcb_cfg(&adapter->temp_dcb_cfg, &adapter->dcb_cfg, MAX_TRAFFIC_CLASS); if (ret) @@ -537,13 +545,9 @@ static int ixgbe_dcbnl_ieee_setets(struct net_device *dev, struct ieee_ets *ets) { struct ixgbe_adapter *adapter = netdev_priv(dev); - __u16 refill[IEEE_8021QAZ_MAX_TCS], max[IEEE_8021QAZ_MAX_TCS]; - __u8 prio_type[IEEE_8021QAZ_MAX_TCS]; int max_frame = dev->mtu + ETH_HLEN + ETH_FCS_LEN; - int i, err; - __u64 *p = (__u64 *) ets->prio_tc; - /* naively give each TC a bwg to map onto CEE hardware */ - __u8 bwg_id[IEEE_8021QAZ_MAX_TCS] = {0, 1, 2, 3, 4, 5, 6, 7}; + int i; + __u8 max_tc = 0; if (!(adapter->dcbx_cap & DCB_CAP_DCBX_VER_IEEE)) return -EINVAL; @@ -557,34 +561,18 @@ static int ixgbe_dcbnl_ieee_setets(struct net_device *dev, memcpy(adapter->ixgbe_ieee_ets, ets, sizeof(*adapter->ixgbe_ieee_ets)); - /* Map TSA onto CEE prio type */ for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { - switch (ets->tc_tsa[i]) { - case IEEE_8021QAZ_TSA_STRICT: - prio_type[i] = 2; - break; - case IEEE_8021QAZ_TSA_ETS: - prio_type[i] = 0; - break; - default: - /* Hardware only supports priority strict or - * ETS transmission selection algorithms if - * we receive some other value from dcbnl - * throw an error - */ - return -EINVAL; - } + if (ets->prio_tc[i] > max_tc) + max_tc = ets->prio_tc[i]; } - if (*p) - ixgbe_dcbnl_set_state(dev, 1); - else - ixgbe_dcbnl_set_state(dev, 0); + if (max_tc) + max_tc++; - ixgbe_ieee_credits(ets->tc_tx_bw, refill, max, max_frame); - err = ixgbe_dcb_hw_ets_config(&adapter->hw, refill, max, - bwg_id, prio_type, ets->prio_tc); - return err; + if (max_tc != netdev_get_num_tc(dev)) + ixgbe_setup_tc(dev, max_tc); + + return ixgbe_dcb_hw_ets(&adapter->hw, ets, max_frame); } static int ixgbe_dcbnl_ieee_getpfc(struct net_device *dev, @@ -615,7 +603,6 @@ static int ixgbe_dcbnl_ieee_setpfc(struct net_device *dev, struct ieee_pfc *pfc) { struct ixgbe_adapter *adapter = netdev_priv(dev); - int err; if (!(adapter->dcbx_cap & DCB_CAP_DCBX_VER_IEEE)) return -EINVAL; @@ -628,8 +615,7 @@ static int ixgbe_dcbnl_ieee_setpfc(struct net_device *dev, } memcpy(adapter->ixgbe_ieee_pfc, pfc, sizeof(*adapter->ixgbe_ieee_pfc)); - err = ixgbe_dcb_hw_pfc_config(&adapter->hw, pfc->pfc_en); - return err; + return ixgbe_dcb_hw_pfc_config(&adapter->hw, pfc->pfc_en); } #ifdef IXGBE_FCOE @@ -740,7 +726,7 @@ static u8 ixgbe_dcbnl_setdcbx(struct net_device *dev, u8 mode) */ ixgbe_dcbnl_ieee_setets(dev, &ets); ixgbe_dcbnl_ieee_setpfc(dev, &pfc); - ixgbe_dcbnl_set_state(dev, 0); + ixgbe_setup_tc(dev, 0); } return 0; diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index 8b86c41f2967..4cbc3f97d195 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -3319,12 +3319,18 @@ static void ixgbe_configure_dcb(struct ixgbe_adapter *adapter) } else { struct net_device *dev = adapter->netdev; - if (adapter->ixgbe_ieee_ets) - dev->dcbnl_ops->ieee_setets(dev, - adapter->ixgbe_ieee_ets); - if (adapter->ixgbe_ieee_pfc) - dev->dcbnl_ops->ieee_setpfc(dev, - adapter->ixgbe_ieee_pfc); + if (adapter->ixgbe_ieee_ets) { + struct ieee_ets *ets = adapter->ixgbe_ieee_ets; + int max_frame = dev->mtu + ETH_HLEN + ETH_FCS_LEN; + + ixgbe_dcb_hw_ets(&adapter->hw, ets, max_frame); + } + + if (adapter->ixgbe_ieee_pfc) { + struct ieee_pfc *pfc = adapter->ixgbe_ieee_pfc; + + ixgbe_dcb_hw_pfc_config(&adapter->hw, pfc->pfc_en); + } } /* Enable RSS Hash per TC */ |
