Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/jkirsher/net-next-2.6

drivers/net/ixgbe/ixgbe.h

@@ -482,6 +482,17 @@ struct ixgbe_adapter {
 	struct vf_macvlans vf_mvs;
 	struct vf_macvlans *mv_list;
 	bool antispoofing_enabled;
+
+	struct hlist_head fdir_filter_list;
+	union ixgbe_atr_input fdir_mask;
+	int fdir_filter_count;
+};
+
+struct ixgbe_fdir_filter {
+	struct hlist_node fdir_node;
+	union ixgbe_atr_input filter;
+	u16 sw_idx;
+	u16 action;
 };
 
 enum ixbge_state_t {
@@ -543,16 +554,22 @@ extern void ixgbe_alloc_rx_buffers(struct ixgbe_ring *, u16);
 extern void ixgbe_write_eitr(struct ixgbe_q_vector *);
 extern int ethtool_ioctl(struct ifreq *ifr);
 extern s32 ixgbe_reinit_fdir_tables_82599(struct ixgbe_hw *hw);
-extern s32 ixgbe_init_fdir_signature_82599(struct ixgbe_hw *hw, u32 pballoc);
-extern s32 ixgbe_init_fdir_perfect_82599(struct ixgbe_hw *hw, u32 pballoc);
+extern s32 ixgbe_init_fdir_signature_82599(struct ixgbe_hw *hw, u32 fdirctrl);
+extern s32 ixgbe_init_fdir_perfect_82599(struct ixgbe_hw *hw, u32 fdirctrl);
 extern s32 ixgbe_fdir_add_signature_filter_82599(struct ixgbe_hw *hw,
 						 union ixgbe_atr_hash_dword input,
 						 union ixgbe_atr_hash_dword common,
                                                  u8 queue);
-extern s32 ixgbe_fdir_add_perfect_filter_82599(struct ixgbe_hw *hw,
+extern s32 ixgbe_fdir_set_input_mask_82599(struct ixgbe_hw *hw,
+					   union ixgbe_atr_input *input_mask);
+extern s32 ixgbe_fdir_write_perfect_filter_82599(struct ixgbe_hw *hw,
 						 union ixgbe_atr_input *input,
-                                      struct ixgbe_atr_input_masks *input_masks,
 						 u16 soft_id, u8 queue);
+extern s32 ixgbe_fdir_erase_perfect_filter_82599(struct ixgbe_hw *hw,
+						 union ixgbe_atr_input *input,
+						 u16 soft_id);
+extern void ixgbe_atr_compute_perfect_hash_82599(union ixgbe_atr_input *input,
+						 union ixgbe_atr_input *mask);
 extern void ixgbe_configure_rscctl(struct ixgbe_adapter *adapter,
                                    struct ixgbe_ring *ring);
 extern void ixgbe_clear_rscctl(struct ixgbe_adapter *adapter,

drivers/net/ixgbe/ixgbe_dcb_nl.c

@@ -114,11 +114,12 @@ static u8 ixgbe_dcbnl_set_state(struct net_device *netdev, u8 state)
 	u8 err = 0;
 	struct ixgbe_adapter *adapter = netdev_priv(netdev);
 
+	/* verify there is something to do, if not then exit */
+	if (!!state != !(adapter->flags & IXGBE_FLAG_DCB_ENABLED))
+		return err;
+
 	if (state > 0) {
 		/* Turn on DCB */
-		if (adapter->flags & IXGBE_FLAG_DCB_ENABLED)
-			goto out;
-
 		if (!(adapter->flags & IXGBE_FLAG_MSIX_ENABLED)) {
 			e_err(drv, "Enable failed, needs MSI-X\n");
 			err = 1;
@@ -143,9 +144,6 @@ static u8 ixgbe_dcbnl_set_state(struct net_device *netdev, u8 state)
 		ixgbe_setup_tc(netdev, MAX_TRAFFIC_CLASS);
 	} else {
 		/* Turn off DCB */
-		if (!(adapter->flags & IXGBE_FLAG_DCB_ENABLED))
-			goto out;
-
 		adapter->hw.fc.requested_mode = adapter->last_lfc_mode;
 		adapter->temp_dcb_cfg.pfc_mode_enable = false;
 		adapter->dcb_cfg.pfc_mode_enable = false;
@@ -153,6 +151,7 @@ static u8 ixgbe_dcbnl_set_state(struct net_device *netdev, u8 state)
 		switch (adapter->hw.mac.type) {
 		case ixgbe_mac_82599EB:
 		case ixgbe_mac_X540:
+			if (!(adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE))
 				adapter->flags |= IXGBE_FLAG_FDIR_HASH_CAPABLE;
 			break;
 		default:

drivers/net/ixgbe/ixgbe_main.c

@@ -54,11 +54,10 @@ char ixgbe_driver_name[] = "ixgbe";
 static const char ixgbe_driver_string[] =
 			      "Intel(R) 10 Gigabit PCI Express Network Driver";
 #define MAJ 3
-#define MIN 3
+#define MIN 4
 #define BUILD 8
-#define KFIX 2
 #define DRV_VERSION __stringify(MAJ) "." __stringify(MIN) "." \
-	__stringify(BUILD) "-k" __stringify(KFIX)
+	__stringify(BUILD) "-k"
 const char ixgbe_driver_version[] = DRV_VERSION;
 static const char ixgbe_copyright[] =
 				"Copyright (c) 1999-2011 Intel Corporation.";
@@ -1555,9 +1554,8 @@ static void ixgbe_configure_msix(struct ixgbe_adapter *adapter)
 			q_vector->eitr = adapter->rx_eitr_param;
 
 		ixgbe_write_eitr(q_vector);
-		/* If Flow Director is enabled, set interrupt affinity */
-		if ((adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE) ||
-		    (adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE)) {
+		/* If ATR is enabled, set interrupt affinity */
+		if (adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE) {
 			/*
 			 * Allocate the affinity_hint cpumask, assign the mask
 			 * for this vector, and set our affinity_hint for
@@ -2468,8 +2466,7 @@ static inline void ixgbe_irq_enable(struct ixgbe_adapter *adapter, bool queues,
 	default:
 		break;
 	}
-	if (adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE ||
-	    adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE)
+	if (adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE)
 		mask |= IXGBE_EIMS_FLOW_DIR;
 
 	IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMS, mask);
@@ -3743,6 +3740,30 @@ static void ixgbe_configure_pb(struct ixgbe_adapter *adapter)
 	hw->mac.ops.set_rxpba(&adapter->hw, num_tc, hdrm, PBA_STRATEGY_EQUAL);
 }
 
+static void ixgbe_fdir_filter_restore(struct ixgbe_adapter *adapter)
+{
+	struct ixgbe_hw *hw = &adapter->hw;
+	struct hlist_node *node, *node2;
+	struct ixgbe_fdir_filter *filter;
+
+	spin_lock(&adapter->fdir_perfect_lock);
+
+	if (!hlist_empty(&adapter->fdir_filter_list))
+		ixgbe_fdir_set_input_mask_82599(hw, &adapter->fdir_mask);
+
+	hlist_for_each_entry_safe(filter, node, node2,
+				  &adapter->fdir_filter_list, fdir_node) {
+		ixgbe_fdir_write_perfect_filter_82599(hw,
+				&filter->filter,
+				filter->sw_idx,
+				(filter->action == IXGBE_FDIR_DROP_QUEUE) ?
+				IXGBE_FDIR_DROP_QUEUE :
+				adapter->rx_ring[filter->action]->reg_idx);
+	}
+
+	spin_unlock(&adapter->fdir_perfect_lock);
+}
+
 static void ixgbe_configure(struct ixgbe_adapter *adapter)
 {
 	struct net_device *netdev = adapter->netdev;
@@ -3768,7 +3789,9 @@ static void ixgbe_configure(struct ixgbe_adapter *adapter)
 						       adapter->atr_sample_rate;
 		ixgbe_init_fdir_signature_82599(hw, adapter->fdir_pballoc);
 	} else if (adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE) {
-		ixgbe_init_fdir_perfect_82599(hw, adapter->fdir_pballoc);
+		ixgbe_init_fdir_perfect_82599(&adapter->hw,
+					      adapter->fdir_pballoc);
+		ixgbe_fdir_filter_restore(adapter);
 	}
 	ixgbe_configure_virtualization(adapter);
 
@@ -4145,6 +4168,23 @@ static void ixgbe_clean_all_tx_rings(struct ixgbe_adapter *adapter)
 		ixgbe_clean_tx_ring(adapter->tx_ring[i]);
 }
 
+static void ixgbe_fdir_filter_exit(struct ixgbe_adapter *adapter)
+{
+	struct hlist_node *node, *node2;
+	struct ixgbe_fdir_filter *filter;
+
+	spin_lock(&adapter->fdir_perfect_lock);
+
+	hlist_for_each_entry_safe(filter, node, node2,
+				  &adapter->fdir_filter_list, fdir_node) {
+		hlist_del(&filter->fdir_node);
+		kfree(filter);
+	}
+	adapter->fdir_filter_count = 0;
+
+	spin_unlock(&adapter->fdir_perfect_lock);
+}
+
 void ixgbe_down(struct ixgbe_adapter *adapter)
 {
 	struct net_device *netdev = adapter->netdev;
@@ -4334,15 +4374,13 @@ static inline bool ixgbe_set_fdir_queues(struct ixgbe_adapter *adapter)
 	f_fdir->mask = 0;
 
 	/* Flow Director must have RSS enabled */
-	if (adapter->flags & IXGBE_FLAG_RSS_ENABLED &&
-	    ((adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE ||
-	     (adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE)))) {
+	if ((adapter->flags & IXGBE_FLAG_RSS_ENABLED) &&
+	    (adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE)) {
 		adapter->num_tx_queues = f_fdir->indices;
 		adapter->num_rx_queues = f_fdir->indices;
 		ret = true;
 	} else {
 		adapter->flags &= ~IXGBE_FLAG_FDIR_HASH_CAPABLE;
-		adapter->flags &= ~IXGBE_FLAG_FDIR_PERFECT_CAPABLE;
 	}
 	return ret;
 }
@@ -4372,12 +4410,12 @@ static inline bool ixgbe_set_fcoe_queues(struct ixgbe_adapter *adapter)
 
 	if (adapter->flags & IXGBE_FLAG_RSS_ENABLED) {
 		e_info(probe, "FCoE enabled with RSS\n");
-		if ((adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE) ||
-		    (adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE))
+		if (adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE)
 			ixgbe_set_fdir_queues(adapter);
 		else
 			ixgbe_set_rss_queues(adapter);
 	}
+
 	/* adding FCoE rx rings to the end */
 	f->mask = adapter->num_rx_queues;
 	adapter->num_rx_queues += f->indices;
@@ -4670,9 +4708,8 @@ static inline bool ixgbe_cache_ring_fdir(struct ixgbe_adapter *adapter)
 	int i;
 	bool ret = false;
 
-	if (adapter->flags & IXGBE_FLAG_RSS_ENABLED &&
-	    ((adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE) ||
-	     (adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE))) {
+	if ((adapter->flags & IXGBE_FLAG_RSS_ENABLED) &&
+	    (adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE)) {
 		for (i = 0; i < adapter->num_rx_queues; i++)
 			adapter->rx_ring[i]->reg_idx = i;
 		for (i = 0; i < adapter->num_tx_queues; i++)
@@ -4701,8 +4738,7 @@ static inline bool ixgbe_cache_ring_fcoe(struct ixgbe_adapter *adapter)
 		return false;
 
 	if (adapter->flags & IXGBE_FLAG_RSS_ENABLED) {
-		if ((adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE) ||
-		    (adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE))
+		if (adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE)
 			ixgbe_cache_ring_fdir(adapter);
 		else
 			ixgbe_cache_ring_rss(adapter);
@@ -4882,14 +4918,12 @@ static int ixgbe_set_interrupt_capability(struct ixgbe_adapter *adapter)
 
 	adapter->flags &= ~IXGBE_FLAG_DCB_ENABLED;
 	adapter->flags &= ~IXGBE_FLAG_RSS_ENABLED;
-	if (adapter->flags & (IXGBE_FLAG_FDIR_HASH_CAPABLE |
-			      IXGBE_FLAG_FDIR_PERFECT_CAPABLE)) {
+	if (adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE) {
 		e_err(probe,
-		      "Flow Director is not supported while multiple "
+		      "ATR is not supported while multiple "
 		      "queues are disabled.  Disabling Flow Director\n");
 	}
 	adapter->flags &= ~IXGBE_FLAG_FDIR_HASH_CAPABLE;
-	adapter->flags &= ~IXGBE_FLAG_FDIR_PERFECT_CAPABLE;
 	adapter->atr_sample_rate = 0;
 	if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED)
 		ixgbe_disable_sriov(adapter);
@@ -5140,7 +5174,7 @@ static int __devinit ixgbe_sw_init(struct ixgbe_adapter *adapter)
 		adapter->atr_sample_rate = 20;
 		adapter->ring_feature[RING_F_FDIR].indices =
 							 IXGBE_MAX_FDIR_INDICES;
-		adapter->fdir_pballoc = 0;
+		adapter->fdir_pballoc = IXGBE_FDIR_PBALLOC_64K;
 #ifdef IXGBE_FCOE
 		adapter->flags |= IXGBE_FLAG_FCOE_CAPABLE;
 		adapter->flags &= ~IXGBE_FLAG_FCOE_ENABLED;
@@ -5537,6 +5571,8 @@ static int ixgbe_close(struct net_device *netdev)
 	ixgbe_down(adapter);
 	ixgbe_free_irq(adapter);
 
+	ixgbe_fdir_filter_exit(adapter);
+
 	ixgbe_free_all_tx_resources(adapter);
 	ixgbe_free_all_rx_resources(adapter);
 
@@ -7676,7 +7712,8 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev,
 
 	/* Inform firmware of driver version */
 	if (hw->mac.ops.set_fw_drv_ver)
-		hw->mac.ops.set_fw_drv_ver(hw, MAJ, MIN, BUILD, KFIX);
+		hw->mac.ops.set_fw_drv_ver(hw, MAJ, MIN, BUILD,
+					   FW_CEM_UNUSED_VER);
 
 	/* add san mac addr to netdev */
 	ixgbe_add_sanmac_netdev(netdev);

drivers/net/ixgbe/ixgbe_type.h

@@ -2056,9 +2056,10 @@ enum {
 #define IXGBE_VFLREC(_i)                 (0x00700 + (_i * 4))
 
 enum ixgbe_fdir_pballoc_type {
-	IXGBE_FDIR_PBALLOC_64K = 0,
-	IXGBE_FDIR_PBALLOC_128K,
-	IXGBE_FDIR_PBALLOC_256K,
+	IXGBE_FDIR_PBALLOC_NONE = 0,
+	IXGBE_FDIR_PBALLOC_64K  = 1,
+	IXGBE_FDIR_PBALLOC_128K = 2,
+	IXGBE_FDIR_PBALLOC_256K = 3,
 };
 #define IXGBE_FDIR_PBALLOC_SIZE_SHIFT           16
 
@@ -2112,7 +2113,7 @@ enum ixgbe_fdir_pballoc_type {
 #define IXGBE_FDIRCMD_CMD_ADD_FLOW              0x00000001
 #define IXGBE_FDIRCMD_CMD_REMOVE_FLOW           0x00000002
 #define IXGBE_FDIRCMD_CMD_QUERY_REM_FILT        0x00000003
-#define IXGBE_FDIRCMD_CMD_QUERY_REM_HASH        0x00000007
+#define IXGBE_FDIRCMD_FILTER_VALID              0x00000004
 #define IXGBE_FDIRCMD_FILTER_UPDATE             0x00000008
 #define IXGBE_FDIRCMD_IPv6DMATCH                0x00000010
 #define IXGBE_FDIRCMD_L4TYPE_UDP                0x00000020
@@ -2131,6 +2132,8 @@ enum ixgbe_fdir_pballoc_type {
 #define IXGBE_FDIR_INIT_DONE_POLL               10
 #define IXGBE_FDIRCMD_CMD_POLL                  10
 
+#define IXGBE_FDIR_DROP_QUEUE                   127
+
 /* Manageablility Host Interface defines */
 #define IXGBE_HI_MAX_BLOCK_BYTE_LENGTH       1792 /* Num of bytes in range */
 #define IXGBE_HI_MAX_BLOCK_DWORD_LENGTH      448 /* Num of dwords in range */
@@ -2140,7 +2143,8 @@ enum ixgbe_fdir_pballoc_type {
 #define FW_CEM_HDR_LEN                0x4
 #define FW_CEM_CMD_DRIVER_INFO        0xDD
 #define FW_CEM_CMD_DRIVER_INFO_LEN    0x5
-#define FW_CEM_CMD_RESERVED           0X0
+#define FW_CEM_CMD_RESERVED           0x0
+#define FW_CEM_UNUSED_VER             0x0
 #define FW_CEM_MAX_RETRIES            3
 #define FW_CEM_RESP_STATUS_SUCCESS    0x1
 
@@ -2350,7 +2354,7 @@ union ixgbe_atr_input {
 	 * src_port   - 2 bytes
 	 * dst_port   - 2 bytes
 	 * flex_bytes - 2 bytes
-	 * rsvd0      - 2 bytes - space reserved must be 0.
+	 * bkt_hash   - 2 bytes
 	 */
 	struct {
 		u8     vm_pool;
@@ -2361,7 +2365,7 @@ union ixgbe_atr_input {
 		__be16 src_port;
 		__be16 dst_port;
 		__be16 flex_bytes;
-		__be16 rsvd0;
+		__be16 bkt_hash;
 	} formatted;
 	__be32 dword_stream[11];
 };
@@ -2382,16 +2386,6 @@ union ixgbe_atr_hash_dword {
 	__be32 dword;
 };
 
-struct ixgbe_atr_input_masks {
-	__be16 rsvd0;
-	__be16 vlan_id_mask;
-	__be32 dst_ip_mask[4];
-	__be32 src_ip_mask[4];
-	__be16 src_port_mask;
-	__be16 dst_port_mask;
-	__be16 flex_mask;
-};
-
 enum ixgbe_eeprom_type {
 	ixgbe_eeprom_uninitialized = 0,
 	ixgbe_eeprom_spi,