diff options
Diffstat (limited to 'drivers/net/ethernet')
25 files changed, 164 insertions, 79 deletions
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c index a923bc4d5a1..4046f97378c 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c @@ -2760,6 +2760,7 @@ load_error2:  	bp->port.pmf = 0;  load_error1:  	bnx2x_napi_disable(bp); +	bnx2x_del_all_napi(bp);  	/* clear pf_load status, as it was already set */  	if (IS_PF(bp)) diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c index 568205436a1..91ecd6a00d0 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c @@ -2139,12 +2139,12 @@ static u8 bnx2x_dcbnl_get_cap(struct net_device *netdev, int capid, u8 *cap)  			break;  		default:  			BNX2X_ERR("Non valid capability ID\n"); -			rval = -EINVAL; +			rval = 1;  			break;  		}  	} else {  		DP(BNX2X_MSG_DCB, "DCB disabled\n"); -		rval = -EINVAL; +		rval = 1;  	}  	DP(BNX2X_MSG_DCB, "capid %d:%x\n", capid, *cap); @@ -2170,12 +2170,12 @@ static int bnx2x_dcbnl_get_numtcs(struct net_device *netdev, int tcid, u8 *num)  			break;  		default:  			BNX2X_ERR("Non valid TC-ID\n"); -			rval = -EINVAL; +			rval = 1;  			break;  		}  	} else {  		DP(BNX2X_MSG_DCB, "DCB disabled\n"); -		rval = -EINVAL; +		rval = 1;  	}  	return rval; @@ -2188,7 +2188,7 @@ static int bnx2x_dcbnl_set_numtcs(struct net_device *netdev, int tcid, u8 num)  	return -EINVAL;  } -static u8  bnx2x_dcbnl_get_pfc_state(struct net_device *netdev) +static u8 bnx2x_dcbnl_get_pfc_state(struct net_device *netdev)  {  	struct bnx2x *bp = netdev_priv(netdev);  	DP(BNX2X_MSG_DCB, "state = %d\n", bp->dcbx_local_feat.pfc.enabled); @@ -2390,12 +2390,12 @@ static u8 bnx2x_dcbnl_get_featcfg(struct net_device *netdev, int featid,  			break;  		default:  			BNX2X_ERR("Non valid featrue-ID\n"); -			rval = -EINVAL; +			rval = 1;  			break;  		}  	} else {  		DP(BNX2X_MSG_DCB, "DCB disabled\n"); -		rval = -EINVAL; +		rval = 1;  	}  	return rval; @@ -2431,12 +2431,12 @@ static u8 bnx2x_dcbnl_set_featcfg(struct net_device *netdev, int featid,  			break;  		default:  			BNX2X_ERR("Non valid featrue-ID\n"); -			rval = -EINVAL; +			rval = 1;  			break;  		}  	} else {  		DP(BNX2X_MSG_DCB, "dcbnl call not valid\n"); -		rval = -EINVAL; +		rval = 1;  	}  	return rval; diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.h index 364e37ecbc5..198f6f1c9ad 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.h @@ -459,8 +459,9 @@ struct bnx2x_fw_port_stats_old {  #define UPDATE_QSTAT(s, t) \  	do { \ -		qstats->t##_hi = qstats_old->t##_hi + le32_to_cpu(s.hi); \  		qstats->t##_lo = qstats_old->t##_lo + le32_to_cpu(s.lo); \ +		qstats->t##_hi = qstats_old->t##_hi + le32_to_cpu(s.hi) \ +			+ ((qstats->t##_lo < qstats_old->t##_lo) ? 1 : 0); \  	} while (0)  #define UPDATE_QSTAT_OLD(f) \ diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index 93729f94235..67d2663b397 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -4130,6 +4130,14 @@ static void tg3_phy_copper_begin(struct tg3 *tp)  		tp->link_config.active_speed = tp->link_config.speed;  		tp->link_config.active_duplex = tp->link_config.duplex; +		if (tg3_asic_rev(tp) == ASIC_REV_5714) { +			/* With autoneg disabled, 5715 only links up when the +			 * advertisement register has the configured speed +			 * enabled. +			 */ +			tg3_writephy(tp, MII_ADVERTISE, ADVERTISE_ALL); +		} +  		bmcr = 0;  		switch (tp->link_config.speed) {  		default: diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c index 4ce62031f62..8049268ce0f 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c @@ -497,8 +497,9 @@ int t4_memory_write(struct adapter *adap, int mtype, u32 addr, u32 len,  }  #define EEPROM_STAT_ADDR   0x7bfc -#define VPD_BASE           0  #define VPD_LEN            512 +#define VPD_BASE           0x400 +#define VPD_BASE_OLD       0  /**   *	t4_seeprom_wp - enable/disable EEPROM write protection @@ -524,7 +525,7 @@ int t4_seeprom_wp(struct adapter *adapter, bool enable)  int get_vpd_params(struct adapter *adapter, struct vpd_params *p)  {  	u32 cclk_param, cclk_val; -	int i, ret; +	int i, ret, addr;  	int ec, sn;  	u8 *vpd, csum;  	unsigned int vpdr_len, kw_offset, id_len; @@ -533,7 +534,12 @@ int get_vpd_params(struct adapter *adapter, struct vpd_params *p)  	if (!vpd)  		return -ENOMEM; -	ret = pci_read_vpd(adapter->pdev, VPD_BASE, VPD_LEN, vpd); +	ret = pci_read_vpd(adapter->pdev, VPD_BASE, sizeof(u32), vpd); +	if (ret < 0) +		goto out; +	addr = *vpd == 0x82 ? VPD_BASE : VPD_BASE_OLD; + +	ret = pci_read_vpd(adapter->pdev, addr, VPD_LEN, vpd);  	if (ret < 0)  		goto out; diff --git a/drivers/net/ethernet/dec/tulip/Kconfig b/drivers/net/ethernet/dec/tulip/Kconfig index 0c37fb2cc86..1df33c799c0 100644 --- a/drivers/net/ethernet/dec/tulip/Kconfig +++ b/drivers/net/ethernet/dec/tulip/Kconfig @@ -108,6 +108,7 @@ config TULIP_DM910X  config DE4X5  	tristate "Generic DECchip & DIGITAL EtherWORKS PCI/EISA"  	depends on (PCI || EISA) +	depends on VIRT_TO_BUS || ALPHA || PPC || SPARC  	select CRC32  	---help---  	  This is support for the DIGITAL series of PCI/EISA Ethernet cards. diff --git a/drivers/net/ethernet/freescale/fec.c b/drivers/net/ethernet/freescale/fec.c index 069a155d16e..911d0253dbb 100644 --- a/drivers/net/ethernet/freescale/fec.c +++ b/drivers/net/ethernet/freescale/fec.c @@ -934,24 +934,28 @@ static void fec_enet_adjust_link(struct net_device *ndev)  		goto spin_unlock;  	} -	/* Duplex link change */  	if (phy_dev->link) { -		if (fep->full_duplex != phy_dev->duplex) { -			fec_restart(ndev, phy_dev->duplex); -			/* prevent unnecessary second fec_restart() below */ +		if (!fep->link) {  			fep->link = phy_dev->link;  			status_change = 1;  		} -	} -	/* Link on or off change */ -	if (phy_dev->link != fep->link) { -		fep->link = phy_dev->link; -		if (phy_dev->link) +		if (fep->full_duplex != phy_dev->duplex) +			status_change = 1; + +		if (phy_dev->speed != fep->speed) { +			fep->speed = phy_dev->speed; +			status_change = 1; +		} + +		/* if any of the above changed restart the FEC */ +		if (status_change)  			fec_restart(ndev, phy_dev->duplex); -		else +	} else { +		if (fep->link) {  			fec_stop(ndev); -		status_change = 1; +			status_change = 1; +		}  	}  spin_unlock: @@ -1328,7 +1332,7 @@ static int fec_enet_ioctl(struct net_device *ndev, struct ifreq *rq, int cmd)  static void fec_enet_free_buffers(struct net_device *ndev)  {  	struct fec_enet_private *fep = netdev_priv(ndev); -	int i; +	unsigned int i;  	struct sk_buff *skb;  	struct bufdesc	*bdp; @@ -1352,7 +1356,7 @@ static void fec_enet_free_buffers(struct net_device *ndev)  static int fec_enet_alloc_buffers(struct net_device *ndev)  {  	struct fec_enet_private *fep = netdev_priv(ndev); -	int i; +	unsigned int i;  	struct sk_buff *skb;  	struct bufdesc	*bdp; @@ -1437,6 +1441,7 @@ fec_enet_close(struct net_device *ndev)  	struct fec_enet_private *fep = netdev_priv(ndev);  	/* Don't know what to do yet. */ +	napi_disable(&fep->napi);  	fep->opened = 0;  	netif_stop_queue(ndev);  	fec_stop(ndev); @@ -1593,7 +1598,7 @@ static int fec_enet_init(struct net_device *ndev)  	struct fec_enet_private *fep = netdev_priv(ndev);  	struct bufdesc *cbd_base;  	struct bufdesc *bdp; -	int i; +	unsigned int i;  	/* Allocate memory for buffer descriptors. */  	cbd_base = dma_alloc_coherent(NULL, PAGE_SIZE, &fep->bd_dma, diff --git a/drivers/net/ethernet/freescale/fec.h b/drivers/net/ethernet/freescale/fec.h index f5390071efd..eb437296283 100644 --- a/drivers/net/ethernet/freescale/fec.h +++ b/drivers/net/ethernet/freescale/fec.h @@ -240,6 +240,7 @@ struct fec_enet_private {  	phy_interface_t	phy_interface;  	int	link;  	int	full_duplex; +	int	speed;  	struct	completion mdio_done;  	int	irq[FEC_IRQ_NUM];  	int	bufdesc_ex; diff --git a/drivers/net/ethernet/freescale/fec_ptp.c b/drivers/net/ethernet/freescale/fec_ptp.c index 1f17ca0f220..0d8df400a47 100644 --- a/drivers/net/ethernet/freescale/fec_ptp.c +++ b/drivers/net/ethernet/freescale/fec_ptp.c @@ -128,6 +128,7 @@ void fec_ptp_start_cyclecounter(struct net_device *ndev)  	spin_unlock_irqrestore(&fep->tmreg_lock, flags);  } +EXPORT_SYMBOL(fec_ptp_start_cyclecounter);  /**   * fec_ptp_adjfreq - adjust ptp cycle frequency @@ -318,6 +319,7 @@ int fec_ptp_ioctl(struct net_device *ndev, struct ifreq *ifr, int cmd)  	return copy_to_user(ifr->ifr_data, &config, sizeof(config)) ?  	    -EFAULT : 0;  } +EXPORT_SYMBOL(fec_ptp_ioctl);  /**   * fec_time_keep - call timecounter_read every second to avoid timer overrun @@ -383,3 +385,4 @@ void fec_ptp_init(struct net_device *ndev, struct platform_device *pdev)  		pr_info("registered PHC device on %s\n", ndev->name);  	}  } +EXPORT_SYMBOL(fec_ptp_init); diff --git a/drivers/net/ethernet/intel/igb/e1000_82575.c b/drivers/net/ethernet/intel/igb/e1000_82575.c index b64542acfa3..12b1d848080 100644 --- a/drivers/net/ethernet/intel/igb/e1000_82575.c +++ b/drivers/net/ethernet/intel/igb/e1000_82575.c @@ -1818,27 +1818,32 @@ out:   **/  void igb_vmdq_set_anti_spoofing_pf(struct e1000_hw *hw, bool enable, int pf)  { -	u32 dtxswc; +	u32 reg_val, reg_offset;  	switch (hw->mac.type) {  	case e1000_82576: +		reg_offset = E1000_DTXSWC; +		break;  	case e1000_i350: -		dtxswc = rd32(E1000_DTXSWC); -		if (enable) { -			dtxswc |= (E1000_DTXSWC_MAC_SPOOF_MASK | -				   E1000_DTXSWC_VLAN_SPOOF_MASK); -			/* The PF can spoof - it has to in order to -			 * support emulation mode NICs */ -			dtxswc ^= (1 << pf | 1 << (pf + MAX_NUM_VFS)); -		} else { -			dtxswc &= ~(E1000_DTXSWC_MAC_SPOOF_MASK | -				    E1000_DTXSWC_VLAN_SPOOF_MASK); -		} -		wr32(E1000_DTXSWC, dtxswc); +		reg_offset = E1000_TXSWC;  		break;  	default: -		break; +		return; +	} + +	reg_val = rd32(reg_offset); +	if (enable) { +		reg_val |= (E1000_DTXSWC_MAC_SPOOF_MASK | +			     E1000_DTXSWC_VLAN_SPOOF_MASK); +		/* The PF can spoof - it has to in order to +		 * support emulation mode NICs +		 */ +		reg_val ^= (1 << pf | 1 << (pf + MAX_NUM_VFS)); +	} else { +		reg_val &= ~(E1000_DTXSWC_MAC_SPOOF_MASK | +			     E1000_DTXSWC_VLAN_SPOOF_MASK);  	} +	wr32(reg_offset, reg_val);  }  /** diff --git a/drivers/net/ethernet/intel/igb/igb_hwmon.c b/drivers/net/ethernet/intel/igb/igb_hwmon.c index 4623502054d..0478a1abe54 100644 --- a/drivers/net/ethernet/intel/igb/igb_hwmon.c +++ b/drivers/net/ethernet/intel/igb/igb_hwmon.c @@ -39,7 +39,7 @@  #include <linux/pci.h>  #ifdef CONFIG_IGB_HWMON -struct i2c_board_info i350_sensor_info = { +static struct i2c_board_info i350_sensor_info = {  	I2C_BOARD_INFO("i350bb", (0Xf8 >> 1)),  }; diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index 4dbd62968c7..8496adfc6a6 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -2542,8 +2542,8 @@ static void igb_probe_vfs(struct igb_adapter *adapter)  	if ((hw->mac.type == e1000_i210) || (hw->mac.type == e1000_i211))  		return; -	igb_enable_sriov(pdev, max_vfs);  	pci_sriov_set_totalvfs(pdev, 7); +	igb_enable_sriov(pdev, max_vfs);  #endif /* CONFIG_PCI_IOV */  } @@ -2652,7 +2652,7 @@ static int igb_sw_init(struct igb_adapter *adapter)  		if (max_vfs > 7) {  			dev_warn(&pdev->dev,  				 "Maximum of 7 VFs per PF, using max\n"); -			adapter->vfs_allocated_count = 7; +			max_vfs = adapter->vfs_allocated_count = 7;  		} else  			adapter->vfs_allocated_count = max_vfs;  		if (adapter->vfs_allocated_count) diff --git a/drivers/net/ethernet/intel/igb/igb_ptp.c b/drivers/net/ethernet/intel/igb/igb_ptp.c index 0987822359f..0a237507ee8 100644 --- a/drivers/net/ethernet/intel/igb/igb_ptp.c +++ b/drivers/net/ethernet/intel/igb/igb_ptp.c @@ -740,7 +740,7 @@ void igb_ptp_init(struct igb_adapter *adapter)  	case e1000_82576:  		snprintf(adapter->ptp_caps.name, 16, "%pm", netdev->dev_addr);  		adapter->ptp_caps.owner = THIS_MODULE; -		adapter->ptp_caps.max_adj = 1000000000; +		adapter->ptp_caps.max_adj = 999999881;  		adapter->ptp_caps.n_ext_ts = 0;  		adapter->ptp_caps.pps = 0;  		adapter->ptp_caps.adjfreq = igb_ptp_adjfreq_82576; diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c index c3db6cd69b6..2b6cb5ca48e 100644 --- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c +++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c @@ -944,9 +944,17 @@ free_queue_irqs:  		free_irq(adapter->msix_entries[vector].vector,  			 adapter->q_vector[vector]);  	} -	pci_disable_msix(adapter->pdev); -	kfree(adapter->msix_entries); -	adapter->msix_entries = NULL; +	/* This failure is non-recoverable - it indicates the system is +	 * out of MSIX vector resources and the VF driver cannot run +	 * without them.  Set the number of msix vectors to zero +	 * indicating that not enough can be allocated.  The error +	 * will be returned to the user indicating device open failed. +	 * Any further attempts to force the driver to open will also +	 * fail.  The only way to recover is to unload the driver and +	 * reload it again.  If the system has recovered some MSIX +	 * vectors then it may succeed. +	 */ +	adapter->num_msix_vectors = 0;  	return err;  } @@ -2572,6 +2580,15 @@ static int ixgbevf_open(struct net_device *netdev)  	struct ixgbe_hw *hw = &adapter->hw;  	int err; +	/* A previous failure to open the device because of a lack of +	 * available MSIX vector resources may have reset the number +	 * of msix vectors variable to zero.  The only way to recover +	 * is to unload/reload the driver and hope that the system has +	 * been able to recover some MSIX vector resources. +	 */ +	if (!adapter->num_msix_vectors) +		return -ENOMEM; +  	/* disallow open during test */  	if (test_bit(__IXGBEVF_TESTING, &adapter->state))  		return -EBUSY; @@ -2628,7 +2645,6 @@ static int ixgbevf_open(struct net_device *netdev)  err_req_irq:  	ixgbevf_down(adapter); -	ixgbevf_free_irq(adapter);  err_setup_rx:  	ixgbevf_free_all_rx_resources(adapter);  err_setup_tx: diff --git a/drivers/net/ethernet/lantiq_etop.c b/drivers/net/ethernet/lantiq_etop.c index 6a2127489af..bfdb0686039 100644 --- a/drivers/net/ethernet/lantiq_etop.c +++ b/drivers/net/ethernet/lantiq_etop.c @@ -769,7 +769,7 @@ ltq_etop_probe(struct platform_device *pdev)  	return 0;  err_free: -	kfree(dev); +	free_netdev(dev);  err_out:  	return err;  } diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index 995d4b6d5c1..f278b10ef71 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -1637,6 +1637,17 @@ void mlx4_en_stop_port(struct net_device *dev, int detach)  	/* Flush multicast filter */  	mlx4_SET_MCAST_FLTR(mdev->dev, priv->port, 0, 1, MLX4_MCAST_CONFIG); +	/* Remove flow steering rules for the port*/ +	if (mdev->dev->caps.steering_mode == +	    MLX4_STEERING_MODE_DEVICE_MANAGED) { +		ASSERT_RTNL(); +		list_for_each_entry_safe(flow, tmp_flow, +					 &priv->ethtool_list, list) { +			mlx4_flow_detach(mdev->dev, flow->id); +			list_del(&flow->list); +		} +	} +  	mlx4_en_destroy_drop_qp(priv);  	/* Free TX Rings */ @@ -1657,17 +1668,6 @@ void mlx4_en_stop_port(struct net_device *dev, int detach)  	if (!(mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAGS2_REASSIGN_MAC_EN))  		mdev->mac_removed[priv->port] = 1; -	/* Remove flow steering rules for the port*/ -	if (mdev->dev->caps.steering_mode == -	    MLX4_STEERING_MODE_DEVICE_MANAGED) { -		ASSERT_RTNL(); -		list_for_each_entry_safe(flow, tmp_flow, -					 &priv->ethtool_list, list) { -			mlx4_flow_detach(mdev->dev, flow->id); -			list_del(&flow->list); -		} -	} -  	/* Free RX Rings */  	for (i = 0; i < priv->rx_ring_num; i++) {  		mlx4_en_deactivate_rx_ring(priv, &priv->rx_ring[i]); diff --git a/drivers/net/ethernet/mellanox/mlx4/eq.c b/drivers/net/ethernet/mellanox/mlx4/eq.c index 251ae2f9311..8e3123a1df8 100644 --- a/drivers/net/ethernet/mellanox/mlx4/eq.c +++ b/drivers/net/ethernet/mellanox/mlx4/eq.c @@ -771,7 +771,7 @@ int mlx4_MAP_EQ_wrapper(struct mlx4_dev *dev, int slave,  	struct mlx4_slave_event_eq_info *event_eq =  		priv->mfunc.master.slave_state[slave].event_eq;  	u32 in_modifier = vhcr->in_modifier; -	u32 eqn = in_modifier & 0x1FF; +	u32 eqn = in_modifier & 0x3FF;  	u64 in_param =  vhcr->in_param;  	int err = 0;  	int i; diff --git a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c index 2995687f1ae..1391b52f443 100644 --- a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c +++ b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c @@ -99,6 +99,7 @@ struct res_qp {  	struct list_head	mcg_list;  	spinlock_t		mcg_spl;  	int			local_qpn; +	atomic_t		ref_count;  };  enum res_mtt_states { @@ -197,6 +198,7 @@ enum res_fs_rule_states {  struct res_fs_rule {  	struct res_common	com; +	int			qpn;  };  static void *res_tracker_lookup(struct rb_root *root, u64 res_id) @@ -355,7 +357,7 @@ static int mpt_mask(struct mlx4_dev *dev)  	return dev->caps.num_mpts - 1;  } -static void *find_res(struct mlx4_dev *dev, int res_id, +static void *find_res(struct mlx4_dev *dev, u64 res_id,  		      enum mlx4_resource type)  {  	struct mlx4_priv *priv = mlx4_priv(dev); @@ -447,6 +449,7 @@ static struct res_common *alloc_qp_tr(int id)  	ret->local_qpn = id;  	INIT_LIST_HEAD(&ret->mcg_list);  	spin_lock_init(&ret->mcg_spl); +	atomic_set(&ret->ref_count, 0);  	return &ret->com;  } @@ -554,7 +557,7 @@ static struct res_common *alloc_xrcdn_tr(int id)  	return &ret->com;  } -static struct res_common *alloc_fs_rule_tr(u64 id) +static struct res_common *alloc_fs_rule_tr(u64 id, int qpn)  {  	struct res_fs_rule *ret; @@ -564,7 +567,7 @@ static struct res_common *alloc_fs_rule_tr(u64 id)  	ret->com.res_id = id;  	ret->com.state = RES_FS_RULE_ALLOCATED; - +	ret->qpn = qpn;  	return &ret->com;  } @@ -602,7 +605,7 @@ static struct res_common *alloc_tr(u64 id, enum mlx4_resource type, int slave,  		ret = alloc_xrcdn_tr(id);  		break;  	case RES_FS_RULE: -		ret = alloc_fs_rule_tr(id); +		ret = alloc_fs_rule_tr(id, extra);  		break;  	default:  		return NULL; @@ -671,10 +674,14 @@ undo:  static int remove_qp_ok(struct res_qp *res)  { -	if (res->com.state == RES_QP_BUSY) +	if (res->com.state == RES_QP_BUSY || atomic_read(&res->ref_count) || +	    !list_empty(&res->mcg_list)) { +		pr_err("resource tracker: fail to remove qp, state %d, ref_count %d\n", +		       res->com.state, atomic_read(&res->ref_count));  		return -EBUSY; -	else if (res->com.state != RES_QP_RESERVED) +	} else if (res->com.state != RES_QP_RESERVED) {  		return -EPERM; +	}  	return 0;  } @@ -3124,6 +3131,7 @@ int mlx4_QP_FLOW_STEERING_ATTACH_wrapper(struct mlx4_dev *dev, int slave,  	struct list_head *rlist = &tracker->slave_list[slave].res_list[RES_MAC];  	int err;  	int qpn; +	struct res_qp *rqp;  	struct mlx4_net_trans_rule_hw_ctrl *ctrl;  	struct _rule_hw  *rule_header;  	int header_id; @@ -3134,7 +3142,7 @@ int mlx4_QP_FLOW_STEERING_ATTACH_wrapper(struct mlx4_dev *dev, int slave,  	ctrl = (struct mlx4_net_trans_rule_hw_ctrl *)inbox->buf;  	qpn = be32_to_cpu(ctrl->qpn) & 0xffffff; -	err = get_res(dev, slave, qpn, RES_QP, NULL); +	err = get_res(dev, slave, qpn, RES_QP, &rqp);  	if (err) {  		pr_err("Steering rule with qpn 0x%x rejected.\n", qpn);  		return err; @@ -3175,14 +3183,16 @@ int mlx4_QP_FLOW_STEERING_ATTACH_wrapper(struct mlx4_dev *dev, int slave,  	if (err)  		goto err_put; -	err = add_res_range(dev, slave, vhcr->out_param, 1, RES_FS_RULE, 0); +	err = add_res_range(dev, slave, vhcr->out_param, 1, RES_FS_RULE, qpn);  	if (err) {  		mlx4_err(dev, "Fail to add flow steering resources.\n ");  		/* detach rule*/  		mlx4_cmd(dev, vhcr->out_param, 0, 0,  			 MLX4_QP_FLOW_STEERING_DETACH, MLX4_CMD_TIME_CLASS_A,  			 MLX4_CMD_NATIVE); +		goto err_put;  	} +	atomic_inc(&rqp->ref_count);  err_put:  	put_res(dev, slave, qpn, RES_QP);  	return err; @@ -3195,20 +3205,35 @@ int mlx4_QP_FLOW_STEERING_DETACH_wrapper(struct mlx4_dev *dev, int slave,  					 struct mlx4_cmd_info *cmd)  {  	int err; +	struct res_qp *rqp; +	struct res_fs_rule *rrule;  	if (dev->caps.steering_mode !=  	    MLX4_STEERING_MODE_DEVICE_MANAGED)  		return -EOPNOTSUPP; +	err = get_res(dev, slave, vhcr->in_param, RES_FS_RULE, &rrule); +	if (err) +		return err; +	/* Release the rule form busy state before removal */ +	put_res(dev, slave, vhcr->in_param, RES_FS_RULE); +	err = get_res(dev, slave, rrule->qpn, RES_QP, &rqp); +	if (err) +		return err; +  	err = rem_res_range(dev, slave, vhcr->in_param, 1, RES_FS_RULE, 0);  	if (err) {  		mlx4_err(dev, "Fail to remove flow steering resources.\n "); -		return err; +		goto out;  	}  	err = mlx4_cmd(dev, vhcr->in_param, 0, 0,  		       MLX4_QP_FLOW_STEERING_DETACH, MLX4_CMD_TIME_CLASS_A,  		       MLX4_CMD_NATIVE); +	if (!err) +		atomic_dec(&rqp->ref_count); +out: +	put_res(dev, slave, rrule->qpn, RES_QP);  	return err;  } @@ -3806,6 +3831,7 @@ void mlx4_delete_all_resources_for_slave(struct mlx4_dev *dev, int slave)  	mutex_lock(&priv->mfunc.master.res_tracker.slave_list[slave].mutex);  	/*VLAN*/  	rem_slave_macs(dev, slave); +	rem_slave_fs_rule(dev, slave);  	rem_slave_qps(dev, slave);  	rem_slave_srqs(dev, slave);  	rem_slave_cqs(dev, slave); @@ -3814,6 +3840,5 @@ void mlx4_delete_all_resources_for_slave(struct mlx4_dev *dev, int slave)  	rem_slave_mtts(dev, slave);  	rem_slave_counters(dev, slave);  	rem_slave_xrcdns(dev, slave); -	rem_slave_fs_rule(dev, slave);  	mutex_unlock(&priv->mfunc.master.res_tracker.slave_list[slave].mutex);  } diff --git a/drivers/net/ethernet/nxp/lpc_eth.c b/drivers/net/ethernet/nxp/lpc_eth.c index c4122c86f82..efa29b712d5 100644 --- a/drivers/net/ethernet/nxp/lpc_eth.c +++ b/drivers/net/ethernet/nxp/lpc_eth.c @@ -1472,7 +1472,8 @@ static int lpc_eth_drv_probe(struct platform_device *pdev)  	}  	platform_set_drvdata(pdev, ndev); -	if (lpc_mii_init(pldat) != 0) +	ret = lpc_mii_init(pldat); +	if (ret)  		goto err_out_unregister_netdev;  	netdev_info(ndev, "LPC mac at 0x%08x irq %d\n", diff --git a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c index 39ab4d09faa..73ce7dd6b95 100644 --- a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c +++ b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c @@ -1726,9 +1726,9 @@ pch_gbe_clean_rx(struct pch_gbe_adapter *adapter,  			skb->protocol = eth_type_trans(skb, netdev);  			if (tcp_ip_status & PCH_GBE_RXD_ACC_STAT_TCPIPOK) -				skb->ip_summed = CHECKSUM_NONE; -			else  				skb->ip_summed = CHECKSUM_UNNECESSARY; +			else +				skb->ip_summed = CHECKSUM_NONE;  			napi_gro_receive(&adapter->napi, skb);  			(*work_done)++; diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c index 33e96176e4d..bf5e3cf97c4 100644 --- a/drivers/net/ethernet/renesas/sh_eth.c +++ b/drivers/net/ethernet/renesas/sh_eth.c @@ -2220,6 +2220,7 @@ static void sh_eth_tsu_init(struct sh_eth_private *mdp)  /* MDIO bus release function */  static int sh_mdio_release(struct net_device *ndev)  { +	struct sh_eth_private *mdp = netdev_priv(ndev);  	struct mii_bus *bus = dev_get_drvdata(&ndev->dev);  	/* unregister mdio bus */ @@ -2234,6 +2235,9 @@ static int sh_mdio_release(struct net_device *ndev)  	/* free bitbang info */  	free_mdio_bitbang(bus); +	/* free bitbang memory */ +	kfree(mdp->bitbang); +  	return 0;  } @@ -2262,6 +2266,7 @@ static int sh_mdio_init(struct net_device *ndev, int id,  	bitbang->ctrl.ops = &bb_ops;  	/* MII controller setting */ +	mdp->bitbang = bitbang;  	mdp->mii_bus = alloc_mdio_bitbang(&bitbang->ctrl);  	if (!mdp->mii_bus) {  		ret = -ENOMEM; @@ -2441,6 +2446,11 @@ static int sh_eth_drv_probe(struct platform_device *pdev)  		}  		mdp->tsu_addr = ioremap(rtsu->start,  					resource_size(rtsu)); +		if (mdp->tsu_addr == NULL) { +			ret = -ENOMEM; +			dev_err(&pdev->dev, "TSU ioremap failed.\n"); +			goto out_release; +		}  		mdp->port = devno % 2;  		ndev->features = NETIF_F_HW_VLAN_FILTER;  	} diff --git a/drivers/net/ethernet/renesas/sh_eth.h b/drivers/net/ethernet/renesas/sh_eth.h index bae84fd2e73..e6655678458 100644 --- a/drivers/net/ethernet/renesas/sh_eth.h +++ b/drivers/net/ethernet/renesas/sh_eth.h @@ -705,6 +705,7 @@ struct sh_eth_private {  	const u16 *reg_offset;  	void __iomem *addr;  	void __iomem *tsu_addr; +	struct bb_info *bitbang;  	u32 num_rx_ring;  	u32 num_tx_ring;  	dma_addr_t rx_desc_dma; diff --git a/drivers/net/ethernet/sfc/nic.c b/drivers/net/ethernet/sfc/nic.c index 0ad790cc473..eaa8e874a3c 100644 --- a/drivers/net/ethernet/sfc/nic.c +++ b/drivers/net/ethernet/sfc/nic.c @@ -376,7 +376,8 @@ efx_may_push_tx_desc(struct efx_tx_queue *tx_queue, unsigned int write_count)  		return false;  	tx_queue->empty_read_count = 0; -	return ((empty_read_count ^ write_count) & ~EFX_EMPTY_COUNT_VALID) == 0; +	return ((empty_read_count ^ write_count) & ~EFX_EMPTY_COUNT_VALID) == 0 +		&& tx_queue->write_count - write_count == 1;  }  /* For each entry inserted into the software descriptor ring, create a diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index 01ffbc48698..df32a090d08 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -905,7 +905,7 @@ static netdev_tx_t cpsw_ndo_start_xmit(struct sk_buff *skb,  	/* If there is no more tx desc left free then we need to  	 * tell the kernel to stop sending us tx frames.  	 */ -	if (unlikely(cpdma_check_free_tx_desc(priv->txch))) +	if (unlikely(!cpdma_check_free_tx_desc(priv->txch)))  		netif_stop_queue(ndev);  	return NETDEV_TX_OK; @@ -1364,7 +1364,7 @@ static int cpsw_probe_dt(struct cpsw_platform_data *data,  		struct platform_device *mdio;  		parp = of_get_property(slave_node, "phy_id", &lenp); -		if ((parp == NULL) && (lenp != (sizeof(void *) * 2))) { +		if ((parp == NULL) || (lenp != (sizeof(void *) * 2))) {  			pr_err("Missing slave[%d] phy_id property\n", i);  			ret = -EINVAL;  			goto error_ret; diff --git a/drivers/net/ethernet/ti/davinci_emac.c b/drivers/net/ethernet/ti/davinci_emac.c index 52c05366599..ae1b77aa199 100644 --- a/drivers/net/ethernet/ti/davinci_emac.c +++ b/drivers/net/ethernet/ti/davinci_emac.c @@ -1102,7 +1102,7 @@ static int emac_dev_xmit(struct sk_buff *skb, struct net_device *ndev)  	/* If there is no more tx desc left free then we need to  	 * tell the kernel to stop sending us tx frames.  	 */ -	if (unlikely(cpdma_check_free_tx_desc(priv->txchan))) +	if (unlikely(!cpdma_check_free_tx_desc(priv->txchan)))  		netif_stop_queue(ndev);  	return NETDEV_TX_OK;  |