diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/cq.c | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/en_netdev.c | 112 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/eq.c | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/fw.c | 8 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/main.c | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/mlx4.h | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/mlx4_en.h | 1 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/mr.c | 10 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/pd.c | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/port.c | 8 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/qp.c | 8 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/resource_tracker.c | 48 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/srq.c | 2 | 
13 files changed, 124 insertions, 83 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/cq.c b/drivers/net/ethernet/mellanox/mlx4/cq.c index 7e64033d7de..0706623cfb9 100644 --- a/drivers/net/ethernet/mellanox/mlx4/cq.c +++ b/drivers/net/ethernet/mellanox/mlx4/cq.c @@ -226,7 +226,7 @@ void __mlx4_cq_free_icm(struct mlx4_dev *dev, int cqn)  static void mlx4_cq_free_icm(struct mlx4_dev *dev, int cqn)  { -	u64 in_param; +	u64 in_param = 0;  	int err;  	if (mlx4_is_mfunc(dev)) { diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index bb4d8d99f36..30d78f806dc 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -411,8 +411,8 @@ static int mlx4_en_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)  static void mlx4_en_u64_to_mac(unsigned char dst_mac[ETH_ALEN + 2], u64 src_mac)  { -	unsigned int i; -	for (i = ETH_ALEN - 1; i; --i) { +	int i; +	for (i = ETH_ALEN - 1; i >= 0; --i) {  		dst_mac[i] = src_mac & 0xff;  		src_mac >>= 8;  	} @@ -565,34 +565,38 @@ static void mlx4_en_put_qp(struct mlx4_en_priv *priv)  	struct mlx4_en_dev *mdev = priv->mdev;  	struct mlx4_dev *dev = mdev->dev;  	int qpn = priv->base_qpn; -	u64 mac = mlx4_en_mac_to_u64(priv->dev->dev_addr); - -	en_dbg(DRV, priv, "Registering MAC: %pM for deleting\n", -	       priv->dev->dev_addr); -	mlx4_unregister_mac(dev, priv->port, mac); +	u64 mac; -	if (dev->caps.steering_mode != MLX4_STEERING_MODE_A0) { +	if (dev->caps.steering_mode == MLX4_STEERING_MODE_A0) { +		mac = mlx4_en_mac_to_u64(priv->dev->dev_addr); +		en_dbg(DRV, priv, "Registering MAC: %pM for deleting\n", +		       priv->dev->dev_addr); +		mlx4_unregister_mac(dev, priv->port, mac); +	} else {  		struct mlx4_mac_entry *entry;  		struct hlist_node *tmp;  		struct hlist_head *bucket; -		unsigned int mac_hash; +		unsigned int i; -		mac_hash = priv->dev->dev_addr[MLX4_EN_MAC_HASH_IDX]; -		bucket = &priv->mac_hash[mac_hash]; -		hlist_for_each_entry_safe(entry, tmp, bucket, hlist) { -			if (ether_addr_equal_64bits(entry->mac, -						    priv->dev->dev_addr)) { -				en_dbg(DRV, priv, "Releasing qp: port %d, MAC %pM, qpn %d\n", -				       priv->port, priv->dev->dev_addr, qpn); +		for (i = 0; i < MLX4_EN_MAC_HASH_SIZE; ++i) { +			bucket = &priv->mac_hash[i]; +			hlist_for_each_entry_safe(entry, tmp, bucket, hlist) { +				mac = mlx4_en_mac_to_u64(entry->mac); +				en_dbg(DRV, priv, "Registering MAC: %pM for deleting\n", +				       entry->mac);  				mlx4_en_uc_steer_release(priv, entry->mac,  							 qpn, entry->reg_id); -				mlx4_qp_release_range(dev, qpn, 1); +				mlx4_unregister_mac(dev, priv->port, mac);  				hlist_del_rcu(&entry->hlist);  				kfree_rcu(entry, rcu); -				break;  			}  		} + +		en_dbg(DRV, priv, "Releasing qp: port %d, qpn %d\n", +		       priv->port, qpn); +		mlx4_qp_release_range(dev, qpn, 1); +		priv->flags &= ~MLX4_EN_FLAG_FORCE_PROMISC;  	}  } @@ -650,28 +654,10 @@ u64 mlx4_en_mac_to_u64(u8 *addr)  	return mac;  } -static int mlx4_en_set_mac(struct net_device *dev, void *addr) +static int mlx4_en_do_set_mac(struct mlx4_en_priv *priv)  { -	struct mlx4_en_priv *priv = netdev_priv(dev); -	struct mlx4_en_dev *mdev = priv->mdev; -	struct sockaddr *saddr = addr; - -	if (!is_valid_ether_addr(saddr->sa_data)) -		return -EADDRNOTAVAIL; - -	memcpy(dev->dev_addr, saddr->sa_data, ETH_ALEN); -	queue_work(mdev->workqueue, &priv->mac_task); -	return 0; -} - -static void mlx4_en_do_set_mac(struct work_struct *work) -{ -	struct mlx4_en_priv *priv = container_of(work, struct mlx4_en_priv, -						 mac_task); -	struct mlx4_en_dev *mdev = priv->mdev;  	int err = 0; -	mutex_lock(&mdev->state_lock);  	if (priv->port_up) {  		/* Remove old MAC and insert the new one */  		err = mlx4_en_replace_mac(priv, priv->base_qpn, @@ -683,7 +669,26 @@ static void mlx4_en_do_set_mac(struct work_struct *work)  	} else  		en_dbg(HW, priv, "Port is down while registering mac, exiting...\n"); +	return err; +} + +static int mlx4_en_set_mac(struct net_device *dev, void *addr) +{ +	struct mlx4_en_priv *priv = netdev_priv(dev); +	struct mlx4_en_dev *mdev = priv->mdev; +	struct sockaddr *saddr = addr; +	int err; + +	if (!is_valid_ether_addr(saddr->sa_data)) +		return -EADDRNOTAVAIL; + +	memcpy(dev->dev_addr, saddr->sa_data, ETH_ALEN); + +	mutex_lock(&mdev->state_lock); +	err = mlx4_en_do_set_mac(priv);  	mutex_unlock(&mdev->state_lock); + +	return err;  }  static void mlx4_en_clear_list(struct net_device *dev) @@ -1348,7 +1353,7 @@ static void mlx4_en_do_get_stats(struct work_struct *work)  		queue_delayed_work(mdev->workqueue, &priv->stats_task, STATS_DELAY);  	}  	if (mdev->mac_removed[MLX4_MAX_PORTS + 1 - priv->port]) { -		queue_work(mdev->workqueue, &priv->mac_task); +		mlx4_en_do_set_mac(priv);  		mdev->mac_removed[MLX4_MAX_PORTS + 1 - priv->port] = 0;  	}  	mutex_unlock(&mdev->state_lock); @@ -1632,6 +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 */ @@ -1652,17 +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]); @@ -1828,9 +1833,11 @@ int mlx4_en_alloc_resources(struct mlx4_en_priv *priv)  	}  #ifdef CONFIG_RFS_ACCEL -	priv->dev->rx_cpu_rmap = alloc_irq_cpu_rmap(priv->mdev->dev->caps.comp_pool); -	if (!priv->dev->rx_cpu_rmap) -		goto err; +	if (priv->mdev->dev->caps.comp_pool) { +		priv->dev->rx_cpu_rmap = alloc_irq_cpu_rmap(priv->mdev->dev->caps.comp_pool); +		if (!priv->dev->rx_cpu_rmap) +			goto err; +	}  #endif  	return 0; @@ -2078,7 +2085,6 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,  	priv->msg_enable = MLX4_EN_MSG_LEVEL;  	spin_lock_init(&priv->stats_lock);  	INIT_WORK(&priv->rx_mode_task, mlx4_en_do_set_rx_mode); -	INIT_WORK(&priv->mac_task, mlx4_en_do_set_mac);  	INIT_WORK(&priv->watchdog_task, mlx4_en_restart);  	INIT_WORK(&priv->linkstate_task, mlx4_en_linkstate);  	INIT_DELAYED_WORK(&priv->stats_task, mlx4_en_do_get_stats); 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/fw.c b/drivers/net/ethernet/mellanox/mlx4/fw.c index 50917eb3013..f6245579962 100644 --- a/drivers/net/ethernet/mellanox/mlx4/fw.c +++ b/drivers/net/ethernet/mellanox/mlx4/fw.c @@ -787,6 +787,14 @@ int mlx4_QUERY_DEV_CAP_wrapper(struct mlx4_dev *dev, int slave,  	bmme_flags &= ~MLX4_BMME_FLAG_TYPE_2_WIN;  	MLX4_PUT(outbox->buf, bmme_flags, QUERY_DEV_CAP_BMME_FLAGS_OFFSET); +	/* turn off device-managed steering capability if not enabled */ +	if (dev->caps.steering_mode != MLX4_STEERING_MODE_DEVICE_MANAGED) { +		MLX4_GET(field, outbox->buf, +			 QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET); +		field &= 0x7f; +		MLX4_PUT(outbox->buf, field, +			 QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET); +	}  	return 0;  } diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c index d180bc46826..16abde20e1f 100644 --- a/drivers/net/ethernet/mellanox/mlx4/main.c +++ b/drivers/net/ethernet/mellanox/mlx4/main.c @@ -1555,7 +1555,7 @@ void __mlx4_counter_free(struct mlx4_dev *dev, u32 idx)  void mlx4_counter_free(struct mlx4_dev *dev, u32 idx)  { -	u64 in_param; +	u64 in_param = 0;  	if (mlx4_is_mfunc(dev)) {  		set_param_l(&in_param, idx); diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4.h b/drivers/net/ethernet/mellanox/mlx4/mlx4.h index cf883345af8..d738454116a 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4.h @@ -1235,7 +1235,7 @@ int mlx4_get_qp_per_mgm(struct mlx4_dev *dev);  static inline void set_param_l(u64 *arg, u32 val)  { -	*((u32 *)arg) = val; +	*arg = (*arg & 0xffffffff00000000ULL) | (u64) val;  }  static inline void set_param_h(u64 *arg, u32 val) diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h index c313d7e943a..f710b7ce0dc 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h @@ -509,7 +509,6 @@ struct mlx4_en_priv {  	struct mlx4_en_cq rx_cq[MAX_RX_RINGS];  	struct mlx4_qp drop_qp;  	struct work_struct rx_mode_task; -	struct work_struct mac_task;  	struct work_struct watchdog_task;  	struct work_struct linkstate_task;  	struct delayed_work stats_task; diff --git a/drivers/net/ethernet/mellanox/mlx4/mr.c b/drivers/net/ethernet/mellanox/mlx4/mr.c index 602ca9bf78e..f91719a08cb 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mr.c +++ b/drivers/net/ethernet/mellanox/mlx4/mr.c @@ -183,7 +183,7 @@ u32 __mlx4_alloc_mtt_range(struct mlx4_dev *dev, int order)  static u32 mlx4_alloc_mtt_range(struct mlx4_dev *dev, int order)  { -	u64 in_param; +	u64 in_param = 0;  	u64 out_param;  	int err; @@ -240,7 +240,7 @@ void __mlx4_free_mtt_range(struct mlx4_dev *dev, u32 offset, int order)  static void mlx4_free_mtt_range(struct mlx4_dev *dev, u32 offset, int order)  { -	u64 in_param; +	u64 in_param = 0;  	int err;  	if (mlx4_is_mfunc(dev)) { @@ -351,7 +351,7 @@ void __mlx4_mpt_release(struct mlx4_dev *dev, u32 index)  static void mlx4_mpt_release(struct mlx4_dev *dev, u32 index)  { -	u64 in_param; +	u64 in_param = 0;  	if (mlx4_is_mfunc(dev)) {  		set_param_l(&in_param, index); @@ -374,7 +374,7 @@ int __mlx4_mpt_alloc_icm(struct mlx4_dev *dev, u32 index)  static int mlx4_mpt_alloc_icm(struct mlx4_dev *dev, u32 index)  { -	u64 param; +	u64 param = 0;  	if (mlx4_is_mfunc(dev)) {  		set_param_l(¶m, index); @@ -395,7 +395,7 @@ void __mlx4_mpt_free_icm(struct mlx4_dev *dev, u32 index)  static void mlx4_mpt_free_icm(struct mlx4_dev *dev, u32 index)  { -	u64 in_param; +	u64 in_param = 0;  	if (mlx4_is_mfunc(dev)) {  		set_param_l(&in_param, index); diff --git a/drivers/net/ethernet/mellanox/mlx4/pd.c b/drivers/net/ethernet/mellanox/mlx4/pd.c index 1ac88637ad9..00f223acada 100644 --- a/drivers/net/ethernet/mellanox/mlx4/pd.c +++ b/drivers/net/ethernet/mellanox/mlx4/pd.c @@ -101,7 +101,7 @@ void __mlx4_xrcd_free(struct mlx4_dev *dev, u32 xrcdn)  void mlx4_xrcd_free(struct mlx4_dev *dev, u32 xrcdn)  { -	u64 in_param; +	u64 in_param = 0;  	int err;  	if (mlx4_is_mfunc(dev)) { diff --git a/drivers/net/ethernet/mellanox/mlx4/port.c b/drivers/net/ethernet/mellanox/mlx4/port.c index 719ead15e49..10c57c86388 100644 --- a/drivers/net/ethernet/mellanox/mlx4/port.c +++ b/drivers/net/ethernet/mellanox/mlx4/port.c @@ -175,7 +175,7 @@ EXPORT_SYMBOL_GPL(__mlx4_register_mac);  int mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac)  { -	u64 out_param; +	u64 out_param = 0;  	int err;  	if (mlx4_is_mfunc(dev)) { @@ -222,7 +222,7 @@ EXPORT_SYMBOL_GPL(__mlx4_unregister_mac);  void mlx4_unregister_mac(struct mlx4_dev *dev, u8 port, u64 mac)  { -	u64 out_param; +	u64 out_param = 0;  	if (mlx4_is_mfunc(dev)) {  		set_param_l(&out_param, port); @@ -361,7 +361,7 @@ out:  int mlx4_register_vlan(struct mlx4_dev *dev, u8 port, u16 vlan, int *index)  { -	u64 out_param; +	u64 out_param = 0;  	int err;  	if (mlx4_is_mfunc(dev)) { @@ -406,7 +406,7 @@ out:  void mlx4_unregister_vlan(struct mlx4_dev *dev, u8 port, int index)  { -	u64 in_param; +	u64 in_param = 0;  	int err;  	if (mlx4_is_mfunc(dev)) { diff --git a/drivers/net/ethernet/mellanox/mlx4/qp.c b/drivers/net/ethernet/mellanox/mlx4/qp.c index 81e2abe07bb..e891b058c1b 100644 --- a/drivers/net/ethernet/mellanox/mlx4/qp.c +++ b/drivers/net/ethernet/mellanox/mlx4/qp.c @@ -222,7 +222,7 @@ int __mlx4_qp_reserve_range(struct mlx4_dev *dev, int cnt, int align,  int mlx4_qp_reserve_range(struct mlx4_dev *dev, int cnt, int align, int *base)  { -	u64 in_param; +	u64 in_param = 0;  	u64 out_param;  	int err; @@ -255,7 +255,7 @@ void __mlx4_qp_release_range(struct mlx4_dev *dev, int base_qpn, int cnt)  void mlx4_qp_release_range(struct mlx4_dev *dev, int base_qpn, int cnt)  { -	u64 in_param; +	u64 in_param = 0;  	int err;  	if (mlx4_is_mfunc(dev)) { @@ -319,7 +319,7 @@ err_out:  static int mlx4_qp_alloc_icm(struct mlx4_dev *dev, int qpn)  { -	u64 param; +	u64 param = 0;  	if (mlx4_is_mfunc(dev)) {  		set_param_l(¶m, qpn); @@ -344,7 +344,7 @@ void __mlx4_qp_free_icm(struct mlx4_dev *dev, int qpn)  static void mlx4_qp_free_icm(struct mlx4_dev *dev, int qpn)  { -	u64 in_param; +	u64 in_param = 0;  	if (mlx4_is_mfunc(dev)) {  		set_param_l(&in_param, qpn); diff --git a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c index 083fb48dc3d..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;  } @@ -2990,6 +2997,9 @@ int mlx4_QP_ATTACH_wrapper(struct mlx4_dev *dev, int slave,  	u8 steer_type_mask = 2;  	enum mlx4_steer_type type = (gid[7] & steer_type_mask) >> 1; +	if (dev->caps.steering_mode != MLX4_STEERING_MODE_B0) +		return -EINVAL; +  	qpn = vhcr->in_modifier & 0xffffff;  	err = get_res(dev, slave, qpn, RES_QP, &rqp);  	if (err) @@ -3121,6 +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; @@ -3131,7 +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; @@ -3172,14 +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; @@ -3192,20 +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;  } @@ -3803,6 +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); @@ -3811,6 +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/mellanox/mlx4/srq.c b/drivers/net/ethernet/mellanox/mlx4/srq.c index feda6c00829..e329fe1f11b 100644 --- a/drivers/net/ethernet/mellanox/mlx4/srq.c +++ b/drivers/net/ethernet/mellanox/mlx4/srq.c @@ -149,7 +149,7 @@ void __mlx4_srq_free_icm(struct mlx4_dev *dev, int srqn)  static void mlx4_srq_free_icm(struct mlx4_dev *dev, int srqn)  { -	u64 in_param; +	u64 in_param = 0;  	if (mlx4_is_mfunc(dev)) {  		set_param_l(&in_param, srqn);  |