1 files changed, 83 insertions, 67 deletions

diff --git a/drivers/infiniband/hw/nes/nes_hw.c b/drivers/infiniband/hw/nes/nes_hw.c
index 08c194861af..90200245c5e 100644
--- a/drivers/infiniband/hw/nes/nes_hw.c
+++ b/drivers/infiniband/hw/nes/nes_hw.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006 - 2009 Intel Corporation.  All rights reserved.
+ * Copyright (c) 2006 - 2011 Intel Corporation.  All rights reserved.
  *
  * This software is available to you under a choice of one of two
  * licenses.  You may choose to be licensed under the terms of the GNU
@@ -75,12 +75,11 @@ static void nes_process_iwarp_aeqe(struct nes_device *nesdev,
 static void process_critical_error(struct nes_device *nesdev);
 static void nes_process_mac_intr(struct nes_device *nesdev, u32 mac_number);
 static unsigned int nes_reset_adapter_ne020(struct nes_device *nesdev, u8 *OneG_Mode);
-static void nes_terminate_timeout(unsigned long context);
 static void nes_terminate_start_timer(struct nes_qp *nesqp);
 
 #ifdef CONFIG_INFINIBAND_NES_DEBUG
 static unsigned char *nes_iwarp_state_str[] = {
-	"Non-Existant",
+	"Non-Existent",
 	"Idle",
 	"RTS",
 	"Closing",
@@ -91,7 +90,7 @@ static unsigned char *nes_iwarp_state_str[] = {
 };
 
 static unsigned char *nes_tcp_state_str[] = {
-	"Non-Existant",
+	"Non-Existent",
 	"Closed",
 	"Listen",
 	"SYN Sent",
@@ -110,6 +109,14 @@ static unsigned char *nes_tcp_state_str[] = {
 };
 #endif
 
+static inline void print_ip(struct nes_cm_node *cm_node)
+{
+	unsigned char *rem_addr;
+	if (cm_node) {
+		rem_addr = (unsigned char *)&cm_node->rem_addr;
+		printk(KERN_ERR PFX "Remote IP addr: %pI4\n", rem_addr);
+	}
+}
 
 /**
  * nes_nic_init_timer_defaults
@@ -1521,7 +1528,7 @@ int nes_init_phy(struct nes_device *nesdev)
 	} else {
 		/* setup 10G MDIO operation */
 		tx_config &= 0xFFFFFFE3;
-		tx_config |= 0x15;
+		tx_config |= 0x1D;
 	}
 	nes_write_indexed(nesdev, NES_IDX_MAC_TX_CONFIG, tx_config);
 
@@ -1555,6 +1562,7 @@ static void nes_replenish_nic_rq(struct nes_vnic *nesvnic)
 	struct nes_hw_nic_rq_wqe *nic_rqe;
 	struct nes_hw_nic *nesnic;
 	struct nes_device *nesdev;
+	struct nes_rskb_cb *cb;
 	u32 rx_wqes_posted = 0;
 
 	nesnic = &nesvnic->nic;
@@ -1580,6 +1588,9 @@ static void nes_replenish_nic_rq(struct nes_vnic *nesvnic)
 
 			bus_address = pci_map_single(nesdev->pcidev,
 					skb->data, nesvnic->max_frame_size, PCI_DMA_FROMDEVICE);
+			cb = (struct nes_rskb_cb *)&skb->cb[0];
+			cb->busaddr = bus_address;
+			cb->maplen = nesvnic->max_frame_size;
 
 			nic_rqe = &nesnic->rq_vbase[nesvnic->nic.rq_head];
 			nic_rqe->wqe_words[NES_NIC_RQ_WQE_LENGTH_1_0_IDX] =
@@ -1669,6 +1680,7 @@ int nes_init_nic_qp(struct nes_device *nesdev, struct net_device *netdev)
 	u32 cqp_head;
 	u32 counter;
 	u32 wqe_count;
+	struct nes_rskb_cb *cb;
 	u8 jumbomode=0;
 
 	/* Allocate fragment, SQ, RQ, and CQ; Reuse CEQ based on the PCI function */
@@ -1845,6 +1857,9 @@ int nes_init_nic_qp(struct nes_device *nesdev, struct net_device *netdev)
 
 		pmem = pci_map_single(nesdev->pcidev, skb->data,
 				nesvnic->max_frame_size, PCI_DMA_FROMDEVICE);
+		cb = (struct nes_rskb_cb *)&skb->cb[0];
+		cb->busaddr = pmem;
+		cb->maplen = nesvnic->max_frame_size;
 
 		nic_rqe = &nesvnic->nic.rq_vbase[counter];
 		nic_rqe->wqe_words[NES_NIC_RQ_WQE_LENGTH_1_0_IDX] = cpu_to_le32(nesvnic->max_frame_size);
@@ -1873,6 +1888,13 @@ int nes_init_nic_qp(struct nes_device *nesdev, struct net_device *netdev)
 			jumbomode = 1;
 		nes_nic_init_timer_defaults(nesdev, jumbomode);
 	}
+	if ((nesdev->nesadapter->allow_unaligned_fpdus) &&
+		(nes_init_mgt_qp(nesdev, netdev, nesvnic))) {
+			nes_debug(NES_DBG_INIT, "%s: Out of memory for pau nic\n", netdev->name);
+			nes_destroy_nic_qp(nesvnic);
+		return -ENOMEM;
+	}
+
 	nesvnic->lro_mgr.max_aggr       = nes_lro_max_aggr;
 	nesvnic->lro_mgr.max_desc       = NES_MAX_LRO_DESCRIPTORS;
 	nesvnic->lro_mgr.lro_arr        = nesvnic->lro_desc;
@@ -1895,28 +1917,29 @@ void nes_destroy_nic_qp(struct nes_vnic *nesvnic)
 	struct nes_device *nesdev = nesvnic->nesdev;
 	struct nes_hw_cqp_wqe *cqp_wqe;
 	struct nes_hw_nic_sq_wqe *nic_sqe;
-	struct nes_hw_nic_rq_wqe *nic_rqe;
 	__le16 *wqe_fragment_length;
 	u16  wqe_fragment_index;
-	u64 wqe_frag;
 	u32 cqp_head;
 	u32 wqm_cfg0;
 	unsigned long flags;
+	struct sk_buff *rx_skb;
+	struct nes_rskb_cb *cb;
 	int ret;
 
+	if (nesdev->nesadapter->allow_unaligned_fpdus)
+		nes_destroy_mgt(nesvnic);
+
 	/* clear wqe stall before destroying NIC QP */
 	wqm_cfg0 = nes_read_indexed(nesdev, NES_IDX_WQM_CONFIG0);
 	nes_write_indexed(nesdev, NES_IDX_WQM_CONFIG0, wqm_cfg0 & 0xFFFF7FFF);
 
 	/* Free remaining NIC receive buffers */
 	while (nesvnic->nic.rq_head != nesvnic->nic.rq_tail) {
-		nic_rqe   = &nesvnic->nic.rq_vbase[nesvnic->nic.rq_tail];
-		wqe_frag  = (u64)le32_to_cpu(
-			nic_rqe->wqe_words[NES_NIC_RQ_WQE_FRAG0_LOW_IDX]);
-		wqe_frag |= ((u64)le32_to_cpu(
-			nic_rqe->wqe_words[NES_NIC_RQ_WQE_FRAG0_HIGH_IDX]))<<32;
-		pci_unmap_single(nesdev->pcidev, (dma_addr_t)wqe_frag,
-				nesvnic->max_frame_size, PCI_DMA_FROMDEVICE);
+		rx_skb = nesvnic->nic.rx_skb[nesvnic->nic.rq_tail];
+		cb = (struct nes_rskb_cb *)&rx_skb->cb[0];
+		pci_unmap_single(nesdev->pcidev, cb->busaddr, cb->maplen,
+			PCI_DMA_FROMDEVICE);
+
 		dev_kfree_skb(nesvnic->nic.rx_skb[nesvnic->nic.rq_tail++]);
 		nesvnic->nic.rq_tail &= (nesvnic->nic.rq_size - 1);
 	}
@@ -2655,11 +2678,9 @@ static void nes_process_mac_intr(struct nes_device *nesdev, u32 mac_number)
 			}
 		}
 		if (nesadapter->phy_type[mac_index] == NES_PHY_TYPE_SFP_D) {
-			if (nesdev->link_recheck)
-				cancel_delayed_work(&nesdev->work);
 			nesdev->link_recheck = 1;
-			schedule_delayed_work(&nesdev->work,
-					      NES_LINK_RECHECK_DELAY);
+			mod_delayed_work(system_wq, &nesdev->work,
+					 NES_LINK_RECHECK_DELAY);
 		}
 	}
 
@@ -2775,6 +2796,7 @@ void nes_nic_ce_handler(struct nes_device *nesdev, struct nes_hw_nic_cq *cq)
 	struct nes_hw_nic_sq_wqe *nic_sqe;
 	struct sk_buff *skb;
 	struct sk_buff *rx_skb;
+	struct nes_rskb_cb *cb;
 	__le16 *wqe_fragment_length;
 	u32 head;
 	u32 cq_size;
@@ -2859,6 +2881,8 @@ void nes_nic_ce_handler(struct nes_device *nesdev, struct nes_hw_nic_cq *cq)
 				bus_address += ((u64)le32_to_cpu(nic_rqe->wqe_words[NES_NIC_RQ_WQE_FRAG0_HIGH_IDX])) << 32;
 				pci_unmap_single(nesdev->pcidev, bus_address,
 						nesvnic->max_frame_size, PCI_DMA_FROMDEVICE);
+				cb = (struct nes_rskb_cb *)&rx_skb->cb[0];
+				cb->busaddr = 0;
 				/* rx_skb->tail = rx_skb->data + rx_pkt_size; */
 				/* rx_skb->len = rx_pkt_size; */
 				rx_skb->len = 0;  /* TODO: see if this is necessary */
@@ -2885,9 +2909,8 @@ void nes_nic_ce_handler(struct nes_device *nesdev, struct nes_hw_nic_cq *cq)
 					if ((cqe_errv &
 							(NES_NIC_ERRV_BITS_IPV4_CSUM_ERR | NES_NIC_ERRV_BITS_TCPUDP_CSUM_ERR |
 							NES_NIC_ERRV_BITS_IPH_ERR | NES_NIC_ERRV_BITS_WQE_OVERRUN)) == 0) {
-						if (nesvnic->rx_checksum_disabled == 0) {
+						if (nesvnic->netdev->features & NETIF_F_RXCSUM)
 							rx_skb->ip_summed = CHECKSUM_UNNECESSARY;
-						}
 					} else
 						nes_debug(NES_DBG_CQ, "%s: unsuccessfully checksummed TCP or UDP packet."
 								" errv = 0x%X, pkt_type = 0x%X.\n",
@@ -2897,7 +2920,7 @@ void nes_nic_ce_handler(struct nes_device *nesdev, struct nes_hw_nic_cq *cq)
 					if ((cqe_errv &
 							(NES_NIC_ERRV_BITS_IPV4_CSUM_ERR | NES_NIC_ERRV_BITS_IPH_ERR |
 							NES_NIC_ERRV_BITS_WQE_OVERRUN)) == 0) {
-						if (nesvnic->rx_checksum_disabled == 0) {
+						if (nesvnic->netdev->features & NETIF_F_RXCSUM) {
 							rx_skb->ip_summed = CHECKSUM_UNNECESSARY;
 							/* nes_debug(NES_DBG_CQ, "%s: Reporting successfully checksummed IPv4 packet.\n",
 								  nesvnic->netdev->name); */
@@ -2918,24 +2941,19 @@ void nes_nic_ce_handler(struct nes_device *nesdev, struct nes_hw_nic_cq *cq)
 					goto skip_rx_indicate0;
 
 
-				if ((cqe_misc & NES_NIC_CQE_TAG_VALID) &&
-				    (nesvnic->vlan_grp != NULL)) {
+				if (cqe_misc & NES_NIC_CQE_TAG_VALID) {
 					vlan_tag = (u16)(le32_to_cpu(
 							cq->cq_vbase[head].cqe_words[NES_NIC_CQE_TAG_PKT_TYPE_IDX])
 							>> 16);
 					nes_debug(NES_DBG_CQ, "%s: Reporting stripped VLAN packet. Tag = 0x%04X\n",
 							nesvnic->netdev->name, vlan_tag);
-					if (nes_use_lro)
-						lro_vlan_hwaccel_receive_skb(&nesvnic->lro_mgr, rx_skb,
-								nesvnic->vlan_grp, vlan_tag, NULL);
-					else
-						nes_vlan_rx(rx_skb, nesvnic->vlan_grp, vlan_tag);
-				} else {
-					if (nes_use_lro)
-						lro_receive_skb(&nesvnic->lro_mgr, rx_skb, NULL);
-					else
-						nes_netif_rx(rx_skb);
+
+					__vlan_hwaccel_put_tag(rx_skb, htons(ETH_P_8021Q), vlan_tag);
 				}
+				if (nes_use_lro)
+					lro_receive_skb(&nesvnic->lro_mgr, rx_skb, NULL);
+				else
+					netif_receive_skb(rx_skb);
 
 skip_rx_indicate0:
 				;
@@ -2989,6 +3007,7 @@ skip_rx_indicate0:
 }
 
 
+
 /**
  * nes_cqp_ce_handler
  */
@@ -3003,6 +3022,8 @@ static void nes_cqp_ce_handler(struct nes_device *nesdev, struct nes_hw_cq *cq)
 	u32 cq_size;
 	u32 cqe_count=0;
 	u32 error_code;
+	u32 opcode;
+	u32 ctx_index;
 	/* u32 counter; */
 
 	head = cq->cq_head;
@@ -3013,12 +3034,9 @@ static void nes_cqp_ce_handler(struct nes_device *nesdev, struct nes_hw_cq *cq)
 		/* nes_debug(NES_DBG_CQP, "head=%u cqe_words=%08X\n", head,
 			  le32_to_cpu(cq->cq_vbase[head].cqe_words[NES_CQE_OPCODE_IDX])); */
 
-		if (le32_to_cpu(cq->cq_vbase[head].cqe_words[NES_CQE_OPCODE_IDX]) & NES_CQE_VALID) {
-			u64temp = (((u64)(le32_to_cpu(cq->cq_vbase[head].
-					cqe_words[NES_CQE_COMP_COMP_CTX_HIGH_IDX]))) << 32) |
-					((u64)(le32_to_cpu(cq->cq_vbase[head].
-					cqe_words[NES_CQE_COMP_COMP_CTX_LOW_IDX])));
-			cqp = *((struct nes_hw_cqp **)&u64temp);
+		opcode = le32_to_cpu(cq->cq_vbase[head].cqe_words[NES_CQE_OPCODE_IDX]);
+		if (opcode & NES_CQE_VALID) {
+			cqp = &nesdev->cqp;
 
 			error_code = le32_to_cpu(cq->cq_vbase[head].cqe_words[NES_CQE_ERROR_CODE_IDX]);
 			if (error_code) {
@@ -3027,15 +3045,14 @@ static void nes_cqp_ce_handler(struct nes_device *nesdev, struct nes_hw_cq *cq)
 						le32_to_cpu(cq->cq_vbase[head].cqe_words[NES_CQE_OPCODE_IDX])&0x3f,
 						(u16)(error_code >> 16),
 						(u16)error_code);
-				nes_debug(NES_DBG_CQP, "cqp: qp_id=%u, sq_head=%u, sq_tail=%u\n",
-						cqp->qp_id, cqp->sq_head, cqp->sq_tail);
 			}
 
-			u64temp = (((u64)(le32_to_cpu(nesdev->cqp.sq_vbase[cqp->sq_tail].
-					wqe_words[NES_CQP_WQE_COMP_SCRATCH_HIGH_IDX]))) << 32) |
-					((u64)(le32_to_cpu(nesdev->cqp.sq_vbase[cqp->sq_tail].
-					wqe_words[NES_CQP_WQE_COMP_SCRATCH_LOW_IDX])));
-			cqp_request = *((struct nes_cqp_request **)&u64temp);
+			u64temp = (((u64)(le32_to_cpu(cq->cq_vbase[head].
+					cqe_words[NES_CQE_COMP_COMP_CTX_HIGH_IDX]))) << 32) |
+					((u64)(le32_to_cpu(cq->cq_vbase[head].
+					cqe_words[NES_CQE_COMP_COMP_CTX_LOW_IDX])));
+
+			cqp_request = (struct nes_cqp_request *)(unsigned long)u64temp;
 			if (cqp_request) {
 				if (cqp_request->waiting) {
 					/* nes_debug(NES_DBG_CQP, "%s: Waking up requestor\n"); */
@@ -3081,9 +3098,15 @@ static void nes_cqp_ce_handler(struct nes_device *nesdev, struct nes_hw_cq *cq)
 		cqp_wqe = &nesdev->cqp.sq_vbase[head];
 		memcpy(cqp_wqe, &cqp_request->cqp_wqe, sizeof(*cqp_wqe));
 		barrier();
-		cqp_wqe->wqe_words[NES_CQP_WQE_COMP_SCRATCH_LOW_IDX] =
+
+		opcode = cqp_wqe->wqe_words[NES_CQP_WQE_OPCODE_IDX];
+		if ((opcode & NES_CQP_OPCODE_MASK) == NES_CQP_DOWNLOAD_SEGMENT)
+			ctx_index = NES_CQP_WQE_DL_COMP_CTX_LOW_IDX;
+		else
+			ctx_index = NES_CQP_WQE_COMP_CTX_LOW_IDX;
+		cqp_wqe->wqe_words[ctx_index] =
 			cpu_to_le32((u32)((unsigned long)cqp_request));
-		cqp_wqe->wqe_words[NES_CQP_WQE_COMP_SCRATCH_HIGH_IDX] =
+		cqp_wqe->wqe_words[ctx_index + 1] =
 			cpu_to_le32((u32)(upper_32_bits((unsigned long)cqp_request)));
 		nes_debug(NES_DBG_CQP, "CQP request %p (opcode 0x%02X) put on CQPs SQ wqe%u.\n",
 				cqp_request, le32_to_cpu(cqp_wqe->wqe_words[NES_CQP_WQE_OPCODE_IDX])&0x3f, head);
@@ -3099,7 +3122,6 @@ static void nes_cqp_ce_handler(struct nes_device *nesdev, struct nes_hw_cq *cq)
 	nes_read32(nesdev->regs+NES_CQE_ALLOC);
 }
 
-
 static u8 *locate_mpa(u8 *pkt, u32 aeq_info)
 {
 	if (aeq_info & NES_AEQE_Q2_DATA_ETHERNET) {
@@ -3497,7 +3519,7 @@ static void nes_terminate_received(struct nes_device *nesdev,
 }
 
 /* Timeout routine in case terminate fails to complete */
-static void nes_terminate_timeout(unsigned long context)
+void nes_terminate_timeout(unsigned long context)
 {
 	struct nes_qp *nesqp = (struct nes_qp *)(unsigned long)context;
 
@@ -3507,11 +3529,7 @@ static void nes_terminate_timeout(unsigned long context)
 /* Set a timer in case hw cannot complete the terminate sequence */
 static void nes_terminate_start_timer(struct nes_qp *nesqp)
 {
-	init_timer(&nesqp->terminate_timer);
-	nesqp->terminate_timer.function = nes_terminate_timeout;
-	nesqp->terminate_timer.expires = jiffies + HZ;
-	nesqp->terminate_timer.data = (unsigned long)nesqp;
-	add_timer(&nesqp->terminate_timer);
+	mod_timer(&nesqp->terminate_timer, (jiffies + HZ));
 }
 
 /**
@@ -3559,9 +3577,9 @@ static void nes_process_iwarp_aeqe(struct nes_device *nesdev,
 
 	aeqe_cq_id = le32_to_cpu(aeqe->aeqe_words[NES_AEQE_COMP_QP_CQ_ID_IDX]);
 	if (aeq_info & NES_AEQE_QP) {
-		if ((!nes_is_resource_allocated(nesadapter, nesadapter->allocated_qps,
-				aeqe_cq_id)) ||
-				(atomic_read(&nesqp->close_timer_started)))
+		if (!nes_is_resource_allocated(nesadapter,
+				nesadapter->allocated_qps,
+				aeqe_cq_id))
 			return;
 	}
 
@@ -3572,8 +3590,7 @@ static void nes_process_iwarp_aeqe(struct nes_device *nesdev,
 
 			if (atomic_inc_return(&nesqp->close_timer_started) == 1) {
 				if ((tcp_state == NES_AEQE_TCP_STATE_CLOSE_WAIT) &&
-					(nesqp->ibqp_state == IB_QPS_RTS) &&
-					((nesadapter->eeprom_version >> 16) != NES_A0)) {
+					(nesqp->ibqp_state == IB_QPS_RTS)) {
 					spin_lock_irqsave(&nesqp->lock, flags);
 					nesqp->hw_iwarp_state = iwarp_state;
 					nesqp->hw_tcp_state = tcp_state;
@@ -3595,14 +3612,11 @@ static void nes_process_iwarp_aeqe(struct nes_device *nesdev,
 			}
 			break;
 		case NES_AEQE_AEID_LLP_CLOSE_COMPLETE:
-			if (nesqp->term_flags) {
-				nes_terminate_done(nesqp, 0);
-				return;
-			}
 			spin_lock_irqsave(&nesqp->lock, flags);
-			nesqp->hw_iwarp_state = NES_AEQE_IWARP_STATE_CLOSING;
+			nesqp->hw_iwarp_state = iwarp_state;
+			nesqp->hw_tcp_state = tcp_state;
+			nesqp->last_aeq = async_event_id;
 			spin_unlock_irqrestore(&nesqp->lock, flags);
-			nes_hw_modify_qp(nesdev, nesqp, NES_CQP_QP_IWARP_STATE_CLOSING, 0, 0);
 			nes_cm_disconn(nesqp);
 			break;
 
@@ -3700,7 +3714,9 @@ static void nes_process_iwarp_aeqe(struct nes_device *nesdev,
 		case NES_AEQE_AEID_ROE_INVALID_RDMA_WRITE_OR_READ_RESP:
 			printk(KERN_ERR PFX "QP[%u] async_event_id=0x%04X IB_EVENT_QP_FATAL\n",
 					nesqp->hwqp.qp_id, async_event_id);
-			nes_terminate_connection(nesdev, nesqp, aeqe, IB_EVENT_QP_FATAL);
+			print_ip(nesqp->cm_node);
+			if (!atomic_read(&nesqp->close_timer_started))
+				nes_terminate_connection(nesdev, nesqp, aeqe, IB_EVENT_QP_FATAL);
 			break;
 
 		case NES_AEQE_AEID_CQ_OPERATION_ERROR: