Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (42 commits)
  IB/qib: Add missing <linux/slab.h> include
  IB/ehca: Drop unnecessary NULL test
  RDMA/nes: Fix confusing if statement indentation
  IB/ehca: Init irq tasklet before irq can happen
  RDMA/nes: Fix misindented code
  RDMA/nes: Fix showing wqm_quanta
  RDMA/nes: Get rid of "set but not used" variables
  RDMA/nes: Read firmware version from correct place
  IB/srp: Export req_lim via sysfs
  IB/srp: Make receive buffer handling more robust
  IB/srp: Use print_hex_dump()
  IB: Rename RAW_ETY to RAW_ETHERTYPE
  RDMA/nes: Fix two sparse warnings
  RDMA/cxgb3: Make needlessly global iwch_l2t_send() static
  IB/iser: Make needlessly global iser_alloc_rx_descriptors() static
  RDMA/cxgb4: Add timeouts when waiting for FW responses
  IB/qib: Fix race between qib_error_qp() and receive packet processing
  IB/qib: Limit the number of packets processed per interrupt
  IB/qib: Allow writes to the diag_counters to be able to clear them
  IB/qib: Set cfgctxts to number of CPUs by default
  ...

8 files changed, 64 insertions, 52 deletions

diff --git a/drivers/infiniband/hw/nes/nes.c b/drivers/infiniband/hw/nes/nes.c
index de7b9d7166f..0c9f0aa5d4e 100644
--- a/drivers/infiniband/hw/nes/nes.c
+++ b/drivers/infiniband/hw/nes/nes.c
@@ -110,8 +110,8 @@ static unsigned int sysfs_nonidx_addr;
 static unsigned int sysfs_idx_addr;
 
 static struct pci_device_id nes_pci_table[] = {
-	{PCI_VENDOR_ID_NETEFFECT, PCI_DEVICE_ID_NETEFFECT_NE020, PCI_ANY_ID, PCI_ANY_ID},
-	{PCI_VENDOR_ID_NETEFFECT, PCI_DEVICE_ID_NETEFFECT_NE020_KR, PCI_ANY_ID, PCI_ANY_ID},
+	{ PCI_VDEVICE(NETEFFECT, PCI_DEVICE_ID_NETEFFECT_NE020), },
+	{ PCI_VDEVICE(NETEFFECT, PCI_DEVICE_ID_NETEFFECT_NE020_KR), },
 	{0}
 };
 
@@ -259,13 +259,11 @@ static void nes_cqp_rem_ref_callback(struct nes_device *nesdev, struct nes_cqp_r
 	unsigned long flags;
 	struct nes_qp *nesqp = cqp_request->cqp_callback_pointer;
 	struct nes_adapter *nesadapter = nesdev->nesadapter;
-	u32 qp_id;
 
 	atomic_inc(&qps_destroyed);
 
 	/* Free the control structures */
 
-	qp_id = nesqp->hwqp.qp_id;
 	if (nesqp->pbl_vbase) {
 		pci_free_consistent(nesdev->pcidev, nesqp->qp_mem_size,
 				nesqp->hwqp.q2_vbase, nesqp->hwqp.q2_pbase);
@@ -441,7 +439,6 @@ static int __devinit nes_probe(struct pci_dev *pcidev, const struct pci_device_i
 	struct net_device *netdev = NULL;
 	struct nes_device *nesdev = NULL;
 	int ret = 0;
-	struct nes_vnic *nesvnic = NULL;
 	void __iomem *mmio_regs = NULL;
 	u8 hw_rev;
 
@@ -664,25 +661,21 @@ static int __devinit nes_probe(struct pci_dev *pcidev, const struct pci_device_i
 	nes_notifiers_registered++;
 
 	/* Initialize network devices */
-		if ((netdev = nes_netdev_init(nesdev, mmio_regs)) == NULL) {
-			goto bail7;
-		}
-
-		/* Register network device */
-		ret = register_netdev(netdev);
-		if (ret) {
-			printk(KERN_ERR PFX "Unable to register netdev, ret = %d\n", ret);
-			nes_netdev_destroy(netdev);
-			goto bail7;
-		}
+	if ((netdev = nes_netdev_init(nesdev, mmio_regs)) == NULL)
+		goto bail7;
 
-		nes_print_macaddr(netdev);
-		/* create a CM core for this netdev */
-		nesvnic = netdev_priv(netdev);
+	/* Register network device */
+	ret = register_netdev(netdev);
+	if (ret) {
+		printk(KERN_ERR PFX "Unable to register netdev, ret = %d\n", ret);
+		nes_netdev_destroy(netdev);
+		goto bail7;
+	}
 
-		nesdev->netdev_count++;
-		nesdev->nesadapter->netdev_count++;
+	nes_print_macaddr(netdev);
 
+	nesdev->netdev_count++;
+	nesdev->nesadapter->netdev_count++;
 
 	printk(KERN_ERR PFX "%s: NetEffect RNIC driver successfully loaded.\n",
 			pci_name(pcidev));
@@ -1104,7 +1097,7 @@ static ssize_t nes_show_wqm_quanta(struct device_driver *ddp, char *buf)
 		i++;
 	}
 
-	return  snprintf(buf, PAGE_SIZE, "0x%X\n", wqm_quanta);
+	return  snprintf(buf, PAGE_SIZE, "0x%X\n", wqm_quanta_value);
 }
 
 
diff --git a/drivers/infiniband/hw/nes/nes.h b/drivers/infiniband/hw/nes/nes.h
index cc78fee1dd5..b3d145e82b4 100644
--- a/drivers/infiniband/hw/nes/nes.h
+++ b/drivers/infiniband/hw/nes/nes.h
@@ -262,6 +262,7 @@ struct nes_device {
 	u16                    base_doorbell_index;
 	u16                    currcq_count;
 	u16                    deepcq_count;
+	u8                     iw_status;
 	u8                     msi_enabled;
 	u8                     netdev_count;
 	u8                     napi_isr_ran;
@@ -527,6 +528,7 @@ void nes_cm_disconn_worker(void *);
 int nes_hw_modify_qp(struct nes_device *, struct nes_qp *, u32, u32, u32);
 int nes_modify_qp(struct ib_qp *, struct ib_qp_attr *, int, struct ib_udata *);
 struct nes_ib_device *nes_init_ofa_device(struct net_device *);
+void  nes_port_ibevent(struct nes_vnic *nesvnic);
 void nes_destroy_ofa_device(struct nes_ib_device *);
 int nes_register_ofa_device(struct nes_ib_device *);
 
diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c
index d876d0435cd..443cea55daa 100644
--- a/drivers/infiniband/hw/nes/nes_cm.c
+++ b/drivers/infiniband/hw/nes/nes_cm.c
@@ -1719,8 +1719,6 @@ static int handle_ack_pkt(struct nes_cm_node *cm_node, struct sk_buff *skb,
 {
 	int datasize = 0;
 	u32 inc_sequence;
-	u32 rem_seq_ack;
-	u32 rem_seq;
 	int ret = 0;
 	int optionsize;
 	optionsize = (tcph->doff << 2) - sizeof(struct tcphdr);
@@ -1730,8 +1728,6 @@ static int handle_ack_pkt(struct nes_cm_node *cm_node, struct sk_buff *skb,
 
 	skb_pull(skb, tcph->doff << 2);
 	inc_sequence = ntohl(tcph->seq);
-	rem_seq = ntohl(tcph->seq);
-	rem_seq_ack =  ntohl(tcph->ack_seq);
 	datasize = skb->len;
 	switch (cm_node->state) {
 	case NES_CM_STATE_SYN_RCVD:
@@ -2565,7 +2561,7 @@ static int nes_cm_disconn_true(struct nes_qp *nesqp)
 	u16 last_ae;
 	u8 original_hw_tcp_state;
 	u8 original_ibqp_state;
-	enum iw_cm_event_type disconn_status = IW_CM_EVENT_STATUS_OK;
+	enum iw_cm_event_status disconn_status = IW_CM_EVENT_STATUS_OK;
 	int issue_disconn = 0;
 	int issue_close = 0;
 	int issue_flush = 0;
@@ -3128,17 +3124,15 @@ int nes_create_listen(struct iw_cm_id *cm_id, int backlog)
 	struct nes_vnic *nesvnic;
 	struct nes_cm_listener *cm_node;
 	struct nes_cm_info cm_info;
-	struct nes_adapter *adapter;
 	int err;
 
-
 	nes_debug(NES_DBG_CM, "cm_id = %p, local port = 0x%04X.\n",
 			cm_id, ntohs(cm_id->local_addr.sin_port));
 
 	nesvnic = to_nesvnic(cm_id->device);
 	if (!nesvnic)
 		return -EINVAL;
-	adapter = nesvnic->nesdev->nesadapter;
+
 	nes_debug(NES_DBG_CM, "nesvnic=%p, netdev=%p, %s\n",
 			nesvnic, nesvnic->netdev, nesvnic->netdev->name);
 
diff --git a/drivers/infiniband/hw/nes/nes_hw.c b/drivers/infiniband/hw/nes/nes_hw.c
index 57874a16508..f8233c851c6 100644
--- a/drivers/infiniband/hw/nes/nes_hw.c
+++ b/drivers/infiniband/hw/nes/nes_hw.c
@@ -1970,7 +1970,7 @@ void nes_destroy_nic_qp(struct nes_vnic *nesvnic)
 			dev_kfree_skb(
 				nesvnic->nic.tx_skb[nesvnic->nic.sq_tail]);
 
-		nesvnic->nic.sq_tail = (++nesvnic->nic.sq_tail)
+		nesvnic->nic.sq_tail = (nesvnic->nic.sq_tail + 1)
 					& (nesvnic->nic.sq_size - 1);
 	}
 
@@ -2737,9 +2737,9 @@ void nes_nic_ce_handler(struct nes_device *nesdev, struct nes_hw_nic_cq *cq)
 				nesnic->sq_tail &= nesnic->sq_size-1;
 				if (sq_cqes > 128) {
 					barrier();
-				/* restart the queue if it had been stopped */
-				if (netif_queue_stopped(nesvnic->netdev))
-					netif_wake_queue(nesvnic->netdev);
+					/* restart the queue if it had been stopped */
+					if (netif_queue_stopped(nesvnic->netdev))
+						netif_wake_queue(nesvnic->netdev);
 					sq_cqes = 0;
 				}
 			} else {
@@ -2999,11 +2999,8 @@ static void nes_cqp_ce_handler(struct nes_device *nesdev, struct nes_hw_cq *cq)
 
 static u8 *locate_mpa(u8 *pkt, u32 aeq_info)
 {
-	u16 pkt_len;
-
 	if (aeq_info & NES_AEQE_Q2_DATA_ETHERNET) {
 		/* skip over ethernet header */
-		pkt_len = be16_to_cpu(*(u16 *)(pkt + ETH_HLEN - 2));
 		pkt += ETH_HLEN;
 
 		/* Skip over IP and TCP headers */
@@ -3283,9 +3280,15 @@ static void nes_terminate_connection(struct nes_device *nesdev, struct nes_qp *n
 	else
 		mod_qp_flags |= NES_CQP_QP_TERM_DONT_SEND_TERM_MSG;
 
-	nes_terminate_start_timer(nesqp);
-	nesqp->term_flags |= NES_TERM_SENT;
-	nes_hw_modify_qp(nesdev, nesqp, mod_qp_flags, termlen, 0);
+	if (!nesdev->iw_status)  {
+		nesqp->term_flags = NES_TERM_DONE;
+		nes_hw_modify_qp(nesdev, nesqp, NES_CQP_QP_IWARP_STATE_ERROR, 0, 0);
+		nes_cm_disconn(nesqp);
+	} else {
+		nes_terminate_start_timer(nesqp);
+		nesqp->term_flags |= NES_TERM_SENT;
+		nes_hw_modify_qp(nesdev, nesqp, mod_qp_flags, termlen, 0);
+	}
 }
 
 static void nes_terminate_send_fin(struct nes_device *nesdev,
diff --git a/drivers/infiniband/hw/nes/nes_hw.h b/drivers/infiniband/hw/nes/nes_hw.h
index bbbfe9fc5a5..aa9183db32b 100644
--- a/drivers/infiniband/hw/nes/nes_hw.h
+++ b/drivers/infiniband/hw/nes/nes_hw.h
@@ -1100,11 +1100,12 @@ struct nes_adapter {
 	u32 wqm_wat;
 	u32 core_clock;
 	u32 firmware_version;
+	u32 eeprom_version;
 
 	u32 nic_rx_eth_route_err;
 
 	u32 et_rx_coalesce_usecs;
-	u32	et_rx_max_coalesced_frames;
+	u32 et_rx_max_coalesced_frames;
 	u32 et_rx_coalesce_usecs_irq;
 	u32 et_rx_max_coalesced_frames_irq;
 	u32 et_pkt_rate_low;
diff --git a/drivers/infiniband/hw/nes/nes_nic.c b/drivers/infiniband/hw/nes/nes_nic.c
index 42e7aad1ec2..6dfdd49cdbc 100644
--- a/drivers/infiniband/hw/nes/nes_nic.c
+++ b/drivers/infiniband/hw/nes/nes_nic.c
@@ -232,6 +232,13 @@ static int nes_netdev_open(struct net_device *netdev)
 				NES_MAC_INT_TX_UNDERFLOW | NES_MAC_INT_TX_ERROR));
 		first_nesvnic = nesvnic;
 	}
+
+	if (nesvnic->of_device_registered) {
+		nesdev->iw_status = 1;
+		nesdev->nesadapter->send_term_ok = 1;
+		nes_port_ibevent(nesvnic);
+	}
+
 	if (first_nesvnic->linkup) {
 		/* Enable network packets */
 		nesvnic->linkup = 1;
@@ -309,9 +316,9 @@ static int nes_netdev_stop(struct net_device *netdev)
 
 
 	if (nesvnic->of_device_registered) {
-		nes_destroy_ofa_device(nesvnic->nesibdev);
-		nesvnic->nesibdev = NULL;
-		nesvnic->of_device_registered = 0;
+		nesdev->nesadapter->send_term_ok = 0;
+		nesdev->iw_status = 0;
+		nes_port_ibevent(nesvnic);
 	}
 	nes_destroy_nic_qp(nesvnic);
 
@@ -463,7 +470,6 @@ static int nes_netdev_start_xmit(struct sk_buff *skb, struct net_device *netdev)
 	u16 nhoffset;
 	u16 wqes_needed;
 	u16 wqes_available;
-	u32 old_head;
 	u32 wqe_misc;
 
 	/*
@@ -503,7 +509,6 @@ sq_no_longer_full:
 		if (skb_is_gso(skb)) {
 			nesvnic->segmented_tso_requests++;
 			nesvnic->tso_requests++;
-			old_head = nesnic->sq_head;
 			/* Basically 4 fragments available per WQE with extended fragments */
 			wqes_needed = nr_frags >> 2;
 			wqes_needed += (nr_frags&3)?1:0;
diff --git a/drivers/infiniband/hw/nes/nes_utils.c b/drivers/infiniband/hw/nes/nes_utils.c
index a9f5dd272f1..f9c417c6b3b 100644
--- a/drivers/infiniband/hw/nes/nes_utils.c
+++ b/drivers/infiniband/hw/nes/nes_utils.c
@@ -190,6 +190,11 @@ int nes_read_eeprom_values(struct nes_device *nesdev, struct nes_adapter *nesada
 		nesadapter->firmware_version = (((u32)(u8)(eeprom_data>>8))  <<  16) +
 				(u32)((u8)eeprom_data);
 
+		eeprom_data = nes_read16_eeprom(nesdev->regs, next_section_address + 10);
+		printk(PFX "EEPROM version %u.%u\n", (u8)(eeprom_data>>8), (u8)eeprom_data);
+		nesadapter->eeprom_version = (((u32)(u8)(eeprom_data>>8)) << 16) +
+				(u32)((u8)eeprom_data);
+
 no_fw_rev:
 		/* eeprom is valid */
 		eeprom_offset = nesadapter->software_eeprom_offset;
diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c
index 9bc2d744b2e..9046e667568 100644
--- a/drivers/infiniband/hw/nes/nes_verbs.c
+++ b/drivers/infiniband/hw/nes/nes_verbs.c
@@ -518,7 +518,7 @@ static int nes_query_device(struct ib_device *ibdev, struct ib_device_attr *prop
 	memset(props, 0, sizeof(*props));
 	memcpy(&props->sys_image_guid, nesvnic->netdev->dev_addr, 6);
 
-	props->fw_ver = nesdev->nesadapter->fw_ver;
+	props->fw_ver = nesdev->nesadapter->firmware_version;
 	props->device_cap_flags = nesdev->nesadapter->device_cap_flags;
 	props->vendor_id = nesdev->nesadapter->vendor_id;
 	props->vendor_part_id = nesdev->nesadapter->vendor_part_id;
@@ -1941,7 +1941,7 @@ static int nes_reg_mr(struct nes_device *nesdev, struct nes_pd *nespd,
 	u8  use_256_pbls = 0;
 	u8  use_4k_pbls = 0;
 	u16 use_two_level = (pbl_count_4k > 1) ? 1 : 0;
-	struct nes_root_vpbl new_root = {0, 0, 0};
+	struct nes_root_vpbl new_root = { 0, NULL, NULL };
 	u32 opcode = 0;
 	u16 major_code;
 
@@ -2112,13 +2112,12 @@ static struct ib_mr *nes_reg_phys_mr(struct ib_pd *ib_pd,
 	u32 driver_key = 0;
 	u32 root_pbl_index = 0;
 	u32 cur_pbl_index = 0;
-	int err = 0, pbl_depth = 0;
+	int err = 0;
 	int ret = 0;
 	u16 pbl_count = 0;
 	u8 single_page = 1;
 	u8 stag_key = 0;
 
-	pbl_depth = 0;
 	region_length = 0;
 	vpbl.pbl_vbase = NULL;
 	root_vpbl.pbl_vbase = NULL;
@@ -2931,7 +2930,6 @@ int nes_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
 	int ret;
 	u16 original_last_aeq;
 	u8 issue_modify_qp = 0;
-	u8 issue_disconnect = 0;
 	u8 dont_wait = 0;
 
 	nes_debug(NES_DBG_MOD_QP, "QP%u: QP State=%u, cur QP State=%u,"
@@ -3058,6 +3056,7 @@ int nes_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
 						nesqp->hte_added = 0;
 					}
 				if ((nesqp->hw_tcp_state > NES_AEQE_TCP_STATE_CLOSED) &&
+						(nesdev->iw_status) &&
 						(nesqp->hw_tcp_state != NES_AEQE_TCP_STATE_TIME_WAIT)) {
 					next_iwarp_state |= NES_CQP_QP_RESET;
 				} else {
@@ -3082,7 +3081,6 @@ int nes_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
 			nesqp->iwarp_state = next_iwarp_state & NES_CQP_QP_IWARP_STATE_MASK;
 			nes_debug(NES_DBG_MOD_QP, "Change nesqp->iwarp_state=%08x\n",
 					nesqp->iwarp_state);
-			issue_disconnect = 1;
 		} else {
 			nesqp->iwarp_state = next_iwarp_state & NES_CQP_QP_IWARP_STATE_MASK;
 			nes_debug(NES_DBG_MOD_QP, "Change nesqp->iwarp_state=%08x\n",
@@ -3936,6 +3934,17 @@ struct nes_ib_device *nes_init_ofa_device(struct net_device *netdev)
 	return nesibdev;
 }
 
+void  nes_port_ibevent(struct nes_vnic *nesvnic)
+{
+	struct nes_ib_device *nesibdev = nesvnic->nesibdev;
+	struct nes_device *nesdev = nesvnic->nesdev;
+	struct ib_event event;
+	event.device = &nesibdev->ibdev;
+	event.element.port_num = nesvnic->logical_port + 1;
+	event.event = nesdev->iw_status ? IB_EVENT_PORT_ACTIVE : IB_EVENT_PORT_ERR;
+	ib_dispatch_event(&event);
+}
+
 
 /**
  * nes_destroy_ofa_device