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

Conflicts:

	arch/x86/kernel/io_apic.c

5 files changed, 69 insertions, 34 deletions

diff --git a/drivers/infiniband/Kconfig b/drivers/infiniband/Kconfig
index a5dc78a..dd0db67 100644
--- a/drivers/infiniband/Kconfig
+++ b/drivers/infiniband/Kconfig
@@ -37,6 +37,7 @@ config INFINIBAND_USER_MEM
 config INFINIBAND_ADDR_TRANS
 	bool
 	depends on INET
+	depends on !(INFINIBAND = y && IPV6 = m)
 	default y
 
 source "drivers/infiniband/hw/mthca/Kconfig"
diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c
index d98b05b..ce511d8 100644
--- a/drivers/infiniband/core/addr.c
+++ b/drivers/infiniband/core/addr.c
@@ -128,6 +128,8 @@ int rdma_translate_ip(struct sockaddr *addr, struct rdma_dev_addr *dev_addr)
 		ret = rdma_copy_addr(dev_addr, dev, NULL);
 		dev_put(dev);
 		break;
+
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
 	case AF_INET6:
 		for_each_netdev(&init_net, dev) {
 			if (ipv6_chk_addr(&init_net,
@@ -138,8 +140,7 @@ int rdma_translate_ip(struct sockaddr *addr, struct rdma_dev_addr *dev_addr)
 			}
 		}
 		break;
-	default:
-		break;
+#endif
 	}
 	return ret;
 }
@@ -179,10 +180,11 @@ static void addr_send_arp(struct sockaddr *dst_in)
 {
 	struct rtable *rt;
 	struct flowi fl;
-	struct dst_entry *dst;
 
 	memset(&fl, 0, sizeof fl);
-	if (dst_in->sa_family == AF_INET)  {
+
+	switch (dst_in->sa_family) {
+	case AF_INET:
 		fl.nl_u.ip4_u.daddr =
 			((struct sockaddr_in *) dst_in)->sin_addr.s_addr;
 
@@ -191,8 +193,13 @@ static void addr_send_arp(struct sockaddr *dst_in)
 
 		neigh_event_send(rt->u.dst.neighbour, NULL);
 		ip_rt_put(rt);
+		break;
+
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+	case AF_INET6:
+	{
+		struct dst_entry *dst;
 
-	} else {
 		fl.nl_u.ip6_u.daddr =
 			((struct sockaddr_in6 *) dst_in)->sin6_addr;
 
@@ -202,6 +209,9 @@ static void addr_send_arp(struct sockaddr *dst_in)
 
 		neigh_event_send(dst->neighbour, NULL);
 		dst_release(dst);
+		break;
+	}
+#endif
 	}
 }
 
@@ -254,6 +264,7 @@ out:
 	return ret;
 }
 
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
 static int addr6_resolve_remote(struct sockaddr_in6 *src_in,
 			       struct sockaddr_in6 *dst_in,
 			       struct rdma_dev_addr *addr)
@@ -282,6 +293,14 @@ static int addr6_resolve_remote(struct sockaddr_in6 *src_in,
 	dst_release(dst);
 	return ret;
 }
+#else
+static int addr6_resolve_remote(struct sockaddr_in6 *src_in,
+			       struct sockaddr_in6 *dst_in,
+			       struct rdma_dev_addr *addr)
+{
+	return -EADDRNOTAVAIL;
+}
+#endif
 
 static int addr_resolve_remote(struct sockaddr *src_in,
 				struct sockaddr *dst_in,
@@ -340,7 +359,9 @@ static int addr_resolve_local(struct sockaddr *src_in,
 	struct net_device *dev;
 	int ret;
 
-	if (dst_in->sa_family == AF_INET) {
+	switch (dst_in->sa_family) {
+	case AF_INET:
+	{
 		__be32 src_ip = ((struct sockaddr_in *) src_in)->sin_addr.s_addr;
 		__be32 dst_ip = ((struct sockaddr_in *) dst_in)->sin_addr.s_addr;
 
@@ -362,7 +383,12 @@ static int addr_resolve_local(struct sockaddr *src_in,
 				memcpy(addr->dst_dev_addr, dev->dev_addr, MAX_ADDR_LEN);
 		}
 		dev_put(dev);
-	} else {
+		break;
+	}
+
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+	case AF_INET6:
+	{
 		struct in6_addr *a;
 
 		for_each_netdev(&init_net, dev)
@@ -390,6 +416,13 @@ static int addr_resolve_local(struct sockaddr *src_in,
 			if (!ret)
 				memcpy(addr->dst_dev_addr, dev->dev_addr, MAX_ADDR_LEN);
 		}
+		break;
+	}
+#endif
+
+	default:
+		ret = -EADDRNOTAVAIL;
+		break;
 	}
 
 	return ret;
diff --git a/drivers/infiniband/hw/mlx4/cq.c b/drivers/infiniband/hw/mlx4/cq.c
index 8415ecc..a3c5af1d 100644
--- a/drivers/infiniband/hw/mlx4/cq.c
+++ b/drivers/infiniband/hw/mlx4/cq.c
@@ -699,7 +699,7 @@ repoll:
 		}
 
 		wc->slid	   = be16_to_cpu(cqe->rlid);
-		wc->sl		   = be16_to_cpu(cqe->sl_vid >> 12);
+		wc->sl		   = be16_to_cpu(cqe->sl_vid) >> 12;
 		g_mlpath_rqpn	   = be32_to_cpu(cqe->g_mlpath_rqpn);
 		wc->src_qp	   = g_mlpath_rqpn & 0xffffff;
 		wc->dlid_path_bits = (g_mlpath_rqpn >> 24) & 0x7f;
diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c
index 1e5b644..1287639 100644
--- a/drivers/infiniband/ulp/iser/iscsi_iser.c
+++ b/drivers/infiniband/ulp/iser/iscsi_iser.c
@@ -119,6 +119,14 @@ error:
 	iscsi_conn_failure(conn, rc);
 }
 
+static int iscsi_iser_pdu_alloc(struct iscsi_task *task, uint8_t opcode)
+{
+	struct iscsi_iser_task *iser_task = task->dd_data;
+
+	task->hdr = (struct iscsi_hdr *)&iser_task->desc.iscsi_header;
+	task->hdr_max = sizeof(iser_task->desc.iscsi_header);
+	return 0;
+}
 
 /**
  * iscsi_iser_task_init - Initialize task
@@ -180,25 +188,26 @@ static int
 iscsi_iser_task_xmit_unsol_data(struct iscsi_conn *conn,
 				 struct iscsi_task *task)
 {
-	struct iscsi_data  hdr;
+	struct iscsi_r2t_info *r2t = &task->unsol_r2t;
+	struct iscsi_data hdr;
 	int error = 0;
 
 	/* Send data-out PDUs while there's still unsolicited data to send */
-	while (task->unsol_count > 0) {
-		iscsi_prep_unsolicit_data_pdu(task, &hdr);
+	while (iscsi_task_has_unsol_data(task)) {
+		iscsi_prep_data_out_pdu(task, r2t, &hdr);
 		debug_scsi("Sending data-out: itt 0x%x, data count %d\n",
-			   hdr.itt, task->data_count);
+			   hdr.itt, r2t->data_count);
 
 		/* the buffer description has been passed with the command */
 		/* Send the command */
 		error = iser_send_data_out(conn, task, &hdr);
 		if (error) {
-			task->unsol_datasn--;
+			r2t->datasn--;
 			goto iscsi_iser_task_xmit_unsol_data_exit;
 		}
-		task->unsol_count -= task->data_count;
+		r2t->sent += r2t->data_count;
 		debug_scsi("Need to send %d more as data-out PDUs\n",
-			   task->unsol_count);
+			   r2t->data_length - r2t->sent);
 	}
 
 iscsi_iser_task_xmit_unsol_data_exit:
@@ -220,7 +229,7 @@ iscsi_iser_task_xmit(struct iscsi_task *task)
 
 		debug_scsi("cmd [itt %x total %d imm %d unsol_data %d\n",
 			   task->itt, scsi_bufflen(task->sc),
-			   task->imm_count, task->unsol_count);
+			   task->imm_count, task->unsol_r2t.data_length);
 	}
 
 	debug_scsi("task deq [cid %d itt 0x%x]\n",
@@ -235,7 +244,7 @@ iscsi_iser_task_xmit(struct iscsi_task *task)
 	}
 
 	/* Send unsolicited data-out PDU(s) if necessary */
-	if (task->unsol_count)
+	if (iscsi_task_has_unsol_data(task))
 		error = iscsi_iser_task_xmit_unsol_data(conn, task);
 
  iscsi_iser_task_xmit_exit:
@@ -244,13 +253,15 @@ iscsi_iser_task_xmit(struct iscsi_task *task)
 	return error;
 }
 
-static void
-iscsi_iser_cleanup_task(struct iscsi_conn *conn, struct iscsi_task *task)
+static void iscsi_iser_cleanup_task(struct iscsi_task *task)
 {
 	struct iscsi_iser_task *iser_task = task->dd_data;
 
-	/* mgmt tasks do not need special cleanup */
-	if (!task->sc)
+	/*
+	 * mgmt tasks do not need special cleanup and we do not
+	 * allocate anything in the init task callout
+	 */
+	if (!task->sc || task->state == ISCSI_TASK_PENDING)
 		return;
 
 	if (iser_task->status == ISER_TASK_STATUS_STARTED) {
@@ -391,9 +402,6 @@ iscsi_iser_session_create(struct iscsi_endpoint *ep,
 	struct iscsi_cls_session *cls_session;
 	struct iscsi_session *session;
 	struct Scsi_Host *shost;
-	int i;
-	struct iscsi_task *task;
-	struct iscsi_iser_task *iser_task;
 	struct iser_conn *ib_conn;
 
 	shost = iscsi_host_alloc(&iscsi_iser_sht, 0, ISCSI_MAX_CMD_PER_LUN);
@@ -430,13 +438,6 @@ iscsi_iser_session_create(struct iscsi_endpoint *ep,
 	session = cls_session->dd_data;
 
 	shost->can_queue = session->scsi_cmds_max;
-	/* libiscsi setup itts, data and pool so just set desc fields */
-	for (i = 0; i < session->cmds_max; i++) {
-		task = session->cmds[i];
-		iser_task = task->dd_data;
-		task->hdr = (struct iscsi_cmd *)&iser_task->desc.iscsi_header;
-		task->hdr_max = sizeof(iser_task->desc.iscsi_header);
-	}
 	return cls_session;
 
 remove_host:
@@ -652,6 +653,7 @@ static struct iscsi_transport iscsi_iser_transport = {
 	.init_task		= iscsi_iser_task_init,
 	.xmit_task		= iscsi_iser_task_xmit,
 	.cleanup_task		= iscsi_iser_cleanup_task,
+	.alloc_pdu		= iscsi_iser_pdu_alloc,
 	/* recovery */
 	.session_recovery_timedout = iscsi_session_recovery_timedout,
 
diff --git a/drivers/infiniband/ulp/iser/iser_initiator.c b/drivers/infiniband/ulp/iser/iser_initiator.c
index ed1aff2..e209cb8d 100644
--- a/drivers/infiniband/ulp/iser/iser_initiator.c
+++ b/drivers/infiniband/ulp/iser/iser_initiator.c
@@ -353,8 +353,7 @@ int iser_send_command(struct iscsi_conn *conn,
 	unsigned long edtl;
 	int err = 0;
 	struct iser_data_buf *data_buf;
-
-	struct iscsi_cmd *hdr =  task->hdr;
+	struct iscsi_cmd *hdr =  (struct iscsi_cmd *)task->hdr;
 	struct scsi_cmnd *sc  =  task->sc;
 
 	if (!iser_conn_state_comp(iser_conn->ib_conn, ISER_CONN_UP)) {
@@ -393,7 +392,7 @@ int iser_send_command(struct iscsi_conn *conn,
 		err = iser_prepare_write_cmd(task,
 					     task->imm_count,
 				             task->imm_count +
-					     task->unsol_count,
+					     task->unsol_r2t.data_length,
 					     edtl);
 		if (err)
 			goto send_command_error;