Subject: [PATCH 3/6] ehea: queue management

From: Jan-Bernd Themann <[email-masked]>
Date: Wed, 21 Jun 2006 14:03:55 +0200

Signed-off-by: Jan-Bernd Themann <[email-masked]>

  drivers/net/ehea/ehea_ethtool.c |  325 ++++++++++++++++++
  drivers/net/ehea/ehea_qmr.c     |  719 ++++++++++++++++++++++++++++++++++++++++
  drivers/net/ehea/ehea_qmr.h     |  390 +++++++++++++++++++++
  3 files changed, 1434 insertions(+)

--- linux-2.6.17.1-orig/drivers/net/ehea/ehea_qmr.c	1969-12-31 16:00:00.000000000 -0800
+++ kernel/drivers/net/ehea/ehea_qmr.c	2006-06-21 04:44:50.152486432 -0700
@@ -0,0 +1,719 @@
+/*
+ *  linux/drivers/net/ehea/ehea_qmr.c
+ *
+ *  eHEA ethernet device driver for IBM eServer System p
+ *
+ *  (C) Copyright IBM Corp. 2006
+ *
+ *  Authors:
+ *       Christoph Raisch <[email-masked]>
+ *       Jan-Bernd Themann <[email-masked]>
+ *       Heiko-Joerg Schick <[email-masked]>
+ *       Thomas Klein <[email-masked]>
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include "ehea.h"
+#include "ehea_phyp.h"
+#include "ehea_qmr.h"
+
+static void *ipz_qpageit_get_inc(struct ipz_queue *queue)
+{
+	void *retvalue = ipz_qeit_get(queue);
+	queue->current_q_offset += queue->pagesize;
+	if (queue->current_q_offset > queue->queue_length) {
+		queue->current_q_offset -= queue->pagesize;
+		retvalue = NULL;
+	}
+	else if ((((u64) retvalue) & (EHEA_PAGESIZE-1)) != 0) {
+		EDEB(4, "ERROR!! not at PAGE-Boundary");
+		return NULL;
+	}
+	EDEB(7, "queue=%p retvalue=%p", queue, retvalue);
+	return retvalue;
+}
+
+static int ipz_queue_ctor(struct ipz_queue *queue,
+			  const u32 nr_of_pages,
+			  const u32 pagesize, const u32 qe_size,
+			  const u32 nr_of_sg)
+{
+	int f;
+	EDEB_EN(7, "nr_of_pages=%x pagesize=%x qe_size=%x",
+		nr_of_pages, pagesize, qe_size);
+	queue->queue_length = nr_of_pages * pagesize;
+	queue->queue_pages = vmalloc(nr_of_pages * sizeof(void *));
+	if (!queue->queue_pages) {
+		EDEB(4, "ERROR!! didn't get the memory");
+		return 0;
+	}
+	memset(queue->queue_pages, 0, nr_of_pages * sizeof(void *));
+
+	for (f = 0; f < nr_of_pages; f++) {
+		(queue->queue_pages)[f] =
+		    (struct ipz_page *)get_zeroed_page(GFP_KERNEL);
+		if (!(queue->queue_pages)[f]) {
+			break;
+		}
+	}
+	if (f < nr_of_pages) {
+		int g;
+		EDEB_ERR(4, "couldn't get 0ed pages queue=%p f=%x "
+			 "nr_of_pages=%x", queue, f, nr_of_pages);
+		for (g = 0; g < f; g++) {
+			free_page((unsigned long)(queue->queue_pages)[g]);
+		}
+		return 0;
+	}
+	queue->current_q_offset = 0;
+	queue->qe_size = qe_size;
+	queue->act_nr_of_sg = nr_of_sg;
+	queue->pagesize = pagesize;
+	queue->toggle_state = 1;
+	EDEB_EX(7, "queue_length=%x queue_pages=%p qe_size=%x"
+		" act_nr_of_sg=%x", queue->queue_length, queue->queue_pages,
+		queue->qe_size, queue->act_nr_of_sg);
+	return 1;
+}
+
+static int ipz_queue_dtor(struct ipz_queue *queue)
+{
+	int g;
+	EDEB_EN(7, "ipz_queue pointer=%p", queue);
+	if (!queue) {
+		return 0;
+	}
+	if (!queue->queue_pages) {
+		return 0;
+	}
+	EDEB(7, "destructing a queue with the following properties:\n"
+	     "queue_length=%x act_nr_of_sg=%x pagesize=%x qe_size=%x",
+	     queue->queue_length, queue->act_nr_of_sg, queue->pagesize,
+	     queue->qe_size);
+	for (g = 0; g < (queue->queue_length / queue->pagesize); g++) {
+		free_page((unsigned long)(queue->queue_pages)[g]);
+	}
+	vfree(queue->queue_pages);
+
+	EDEB_EX(7, "queue freed!");
+	return 1;
+}
+
+struct ehea_cq *ehea_cq_new(void)
+{
+	struct ehea_cq *cq = vmalloc(sizeof(*cq));
+	if (cq)
+		memset(cq, 0, sizeof(*cq));
+	return cq;
+}
+
+void ehea_cq_delete(struct ehea_cq *cq)
+{
+	vfree(cq);
+}
+
+struct ehea_cq *ehea_create_cq(struct ehea_adapter *adapter,
+			       int nr_of_cqe, u64 eq_handle, u32 cq_token)
+{
+	struct ehea_cq *cq = NULL;
+	struct h_galpa gal;
+
+	u64 *cq_handle_ref;
+	u32 act_nr_of_entries;
+	u32 act_pages;
+	u64 hret;
+	int ipz_rc;
+	u32 counter;
+	void *vpage = NULL;
+	u64 rpage = 0;
+
+	EDEB_EN(7, "adapter=%p nr_of_cqe=%x , eq_handle: %016lX",
+		adapter, nr_of_cqe, eq_handle);
+
+	cq = ehea_cq_new();
+	if (!cq) {
+		cq = NULL;
+		EDEB_ERR(4, "ehea_create_cq ret=%p (-ENOMEM)", cq);
+		goto create_cq_exit0;
+	}
+
+	cq->attr.max_nr_of_cqes = nr_of_cqe;
+	cq->attr.cq_token = cq_token;
+	cq->attr.eq_handle = eq_handle;
+
+	cq->adapter = adapter;
+
+	cq_handle_ref = &cq->ipz_cq_handle;
+	act_nr_of_entries = 0;
+	act_pages = 0;
+
+	hret = ehea_h_alloc_resource_cq(adapter->handle,
+					cq,
+					&cq->attr,
+					&cq->ipz_cq_handle, &cq->galpas);
+	if (hret != H_SUCCESS) {
+		EDEB_ERR(4, "ehea_h_alloc_resource_cq failed. hret=%lx", hret);
+		goto create_cq_exit1;
+	}
+
+	ipz_rc = ipz_queue_ctor(&cq->ipz_queue, cq->attr.nr_pages,
+				EHEA_PAGESIZE, sizeof(struct ehea_cqe), 0);
+	if (!ipz_rc)
+		goto create_cq_exit2;
+
+	hret = H_SUCCESS;
+
+	for (counter = 0; counter < cq->attr.nr_pages; counter++) {
+		vpage = ipz_qpageit_get_inc(&cq->ipz_queue);
+		if (!vpage) {
+			EDEB_ERR(4, "ipz_qpageit_get_inc() "
+				 "returns NULL adapter=%p", adapter);
+			goto create_cq_exit3;
+		}
+
+		rpage = virt_to_abs(vpage);
+
+		hret = ehea_h_register_rpage_cq(adapter->handle,
+						cq->ipz_cq_handle,
+						0,
+						HIPZ_CQ_REGISTER_ORIG,
+						rpage, 1, cq->galpas.kernel);
+
+		if (hret < H_SUCCESS) {
+			EDEB_ERR(4, "ehea_h_register_rpage_cq() failed "
+				 "ehea_cq=%p hret=%lx "
+				 "counter=%i act_pages=%i",
+				 cq, hret, counter, cq->attr.nr_pages);
+			goto create_cq_exit3;
+		}
+
+		if (counter == (cq->attr.nr_pages - 1)) {
+			vpage = ipz_qpageit_get_inc(&cq->ipz_queue);
+
+			if ((hret != H_SUCCESS) || (vpage)) {
+				EDEB_ERR(4, "Registration of pages not "
+					 "complete ehea_cq=%p hret=%lx",
+					 cq, hret)
+				goto create_cq_exit3;
+			}
+		} else {
+			if ((hret != H_PAGE_REGISTERED) || (vpage == 0)) {
+				EDEB_ERR(4, "Registration of page failed "
+					 "ehea_cq=%p hret=%lx"
+					 "counter=%i act_pages=%i",
+					 cq, hret, counter, cq->attr.nr_pages);
+				goto create_cq_exit3;
+			}
+		}
+	}
+
+	ipz_qeit_reset(&cq->ipz_queue);
+	gal = cq->galpas.kernel;
+	ehea_reset_cq_ep(cq);
+	ehea_reset_cq_n1(cq);
+
+	EDEB_EX(7, "ret=%p ", cq);
+	return cq;
+
+create_cq_exit3:
+	ipz_queue_dtor(&cq->ipz_queue);
+
+create_cq_exit2:
+	hret = ehea_h_destroy_cq(adapter->handle, cq, cq->ipz_cq_handle,
+				 &cq->galpas);
+	EDEB(7, "return code of ehea_cq_destroy=%lx", hret);
+
+create_cq_exit1:
+	ehea_cq_delete(cq);
+
+create_cq_exit0:
+	EDEB_EX(7, "ret=NULL");
+	return NULL;
+}
+
+int ehea_destroy_cq(struct ehea_cq *cq)
+{
+	int ret = 0;
+	u64 adapter_handle;
+	u64 hret;
+
+	adapter_handle = cq->adapter->handle;
+	EDEB_EN(7, "adapter=%p cq=%p", cq->adapter, cq);
+
+	/* deregister all previous registered pages */
+	hret = ehea_h_destroy_cq(adapter_handle, cq, cq->ipz_cq_handle,
+				 &cq->galpas);
+	if (hret != H_SUCCESS) {
+		EDEB_ERR(4, "destroy CQ failed!");
+		return -EINVAL;
+	}
+	ipz_queue_dtor(&cq->ipz_queue);
+	ehea_cq_delete(cq);
+
+	EDEB_EX(7, "ret=%x ", ret);
+	return ret;
+}
+
+struct ehea_eq *ehea_eq_new(void)
+{
+	struct ehea_eq *eq = vmalloc(sizeof(*eq));
+	if (eq)
+		memset(eq, 0, sizeof(*eq));
+	return eq;
+}
+
+void ehea_eq_delete(struct ehea_eq *eq)
+{
+	vfree(eq);
+}
+
+struct ehea_eq *ehea_create_eq(struct ehea_adapter *adapter,
+			       const enum ehea_eq_type type,
+			       const u32 max_nr_of_eqes, const u8 eqe_gen)
+{
+	u64 hret = H_HARDWARE;
+	int ret = 0;
+	u32 i;
+	void *vpage = NULL;
+	struct ehea_eq *eq;
+
+	EDEB_EN(7, "adapter=%p, max_nr_of_eqes=%x", adapter, max_nr_of_eqes);
+
+	eq = ehea_eq_new();
+	if (!eq)
+		return NULL;
+
+	eq->attr.type = type;
+	eq->attr.max_nr_of_eqes = max_nr_of_eqes;
+	eq->attr.eqe_gen = eqe_gen;
+	spin_lock_init(&eq->spinlock);
+
+	hret = ehea_h_alloc_resource_eq(adapter->handle,
+					eq, &eq->attr, &eq->ipz_eq_handle);
+
+	if (hret != H_SUCCESS) {
+		EDEB_ERR(4, "ehea_h_alloc_resource_eq failed. hret=%lx", hret);
+		goto free_eq_mem;
+	}
+
+	ret = ipz_queue_ctor(&eq->ipz_queue, eq->attr.nr_pages,
+			      EHEA_PAGESIZE, sizeof(struct ehea_eqe), 0);
+	if (!ret) {
+		EDEB_ERR(4, "can't allocate EQ pages");
+		goto alloc_pages_failed;
+	}
+
+	for (i = 0; i < eq->attr.nr_pages; i++) {
+		u64 rpage;
+
+		if (!(vpage = ipz_qpageit_get_inc(&eq->ipz_queue))) {
+			hret = H_RESOURCE;
+			goto register_page_failed;
+		}
+
+		rpage = virt_to_abs(vpage);
+
+		hret = ehea_h_register_rpage_eq(adapter->handle,
+						eq->ipz_eq_handle,
+						0,
+						HIPZ_EQ_REGISTER_ORIG,
+						rpage, 1);
+
+		if (i == (eq->attr.nr_pages - 1)) {
+			/* last page */
+			vpage = ipz_qpageit_get_inc(&eq->ipz_queue);
+			if ((hret != H_SUCCESS) || (vpage)) {
+				goto register_page_failed;
+			}
+		} else {
+			if ((hret != H_PAGE_REGISTERED) || (!vpage)) {
+				goto register_page_failed;
+			}
+		}
+	}
+
+	ipz_qeit_reset(&eq->ipz_queue);
+
+	EDEB_EX(7, "hret=%lx", hret);
+	return eq;
+
+register_page_failed:
+	ipz_queue_dtor(&eq->ipz_queue);
+
+alloc_pages_failed:
+	ehea_h_destroy_eq(adapter->handle, eq, eq->ipz_eq_handle, &eq->galpas);
+free_eq_mem:
+	ehea_eq_delete(eq);
+
+	EDEB_EX(7, "return with error hret=%lx", hret);
+	return NULL;
+}
+
+void *ehea_poll_eq(struct ehea_adapter *adapter, struct ehea_eq *eq)
+{
+	void *eqe = NULL;
+	unsigned long flags = 0;
+
+	EDEB_EN(7, "adapter=%p  eq=%p", adapter, eq);
+
+	spin_lock_irqsave(&eq->spinlock, flags);
+	eqe = ipz_eqit_eq_get_inc_valid(&eq->ipz_queue);
+	spin_unlock_irqrestore(&eq->spinlock, flags);
+
+	EDEB_EX(7, "eqe=%p", eqe);
+
+	return eqe;
+}
+
+int ehea_destroy_eq(struct ehea_adapter *adapter, struct ehea_eq *eq)
+{
+	unsigned long flags = 0;
+	u64 hret = H_HARDWARE;
+
+	EDEB_EN(7, "adapter=%p  eq=%p", adapter, eq);
+
+	spin_lock_irqsave(&eq->spinlock, flags);
+
+	hret = ehea_h_destroy_eq(adapter->handle, eq, eq->ipz_eq_handle,
+				 &eq->galpas);
+	spin_unlock_irqrestore(&eq->spinlock, flags);
+
+	if (hret != H_SUCCESS) {
+		EDEB_ERR(4, "Failed freeing EQ resources. hret=%lx", hret);
+		return -EINVAL;
+	}
+	ipz_queue_dtor(&eq->ipz_queue);
+	ehea_eq_delete(eq);
+	EDEB_EX(7, "");
+
+	return 0;
+}
+
+struct ehea_qp *ehea_qp_new(void) {
+	struct ehea_qp *qp = vmalloc(sizeof(*qp));
+	if (qp != 0) {
+		memset(qp, 0, sizeof(*qp));
+	}
+	return qp;
+}
+
+void ehea_qp_delete(struct ehea_qp *qp)
+{
+	vfree(qp);
+}
+
+/**
+ * allocates memory for a queue and registers pages in phyp
+ */
+int ehea_qp_alloc_register(struct ehea_qp *qp,
+			   struct ipz_queue *ipz_queue,
+			   int nr_pages,
+			   int wqe_size,
+			   int act_nr_sges,
+			   struct ehea_adapter *adapter, int h_call_q_selector)
+{
+	u64 hret = H_HARDWARE;
+	u64 rpage = 0;
+	int iret = 0;
+	int cnt = 0;
+	void *vpage = NULL;
+
+	iret = ipz_queue_ctor(ipz_queue,
+			      nr_pages, EHEA_PAGESIZE, wqe_size, act_nr_sges);
+	if (!iret) {
+		EDEB_ERR(4, "Cannot allocate page for queue. iret=%x", iret);
+		return -ENOMEM;
+	}
+
+	EDEB(7, "queue_size=%x, alloc_len=%x, toggle_state=%d",
+	     ipz_queue->qe_size,
+	     ipz_queue->queue_length, ipz_queue->toggle_state);
+
+	for (cnt = 0; cnt < nr_pages; cnt++) {
+		vpage = ipz_qpageit_get_inc(ipz_queue);
+		if (!vpage) {
+			EDEB_ERR(4, "SQ ipz_qpageit_get_inc() "
+				 "failed p_vpage= %p", vpage);
+			goto qp_alloc_register_exit0;
+		}
+		rpage = virt_to_abs(vpage);
+
+		hret = ehea_h_register_rpage_qp(adapter->handle,
+						qp->ipz_qp_handle,
+						0,
+						h_call_q_selector,
+						rpage,
+						1, qp->galpas.kernel);
+
+		if (hret < H_SUCCESS) {
+			EDEB_ERR(4, "ehea_h_register_rpage_qp failed. hret=%lx",
+				 hret);
+			goto qp_alloc_register_exit0;
+		}
+	}
+	ipz_qeit_reset(ipz_queue);
+
+	return 0;
+
+qp_alloc_register_exit0:
+	ipz_queue_dtor(ipz_queue);
+	return -EINVAL;
+}
+
+static inline u32 map_swqe_size(u8 swqe_enc_size)
+{
+	return 128 << swqe_enc_size;
+}
+
+static inline u32 map_rwqe_size(u8 rwqe_enc_size)
+{
+	return 128 << rwqe_enc_size;
+}
+
+struct ehea_qp *ehea_create_qp(struct ehea_adapter *adapter,
+			       u32 pd, struct ehea_qp_init_attr *init_attr)
+{
+	struct ehea_qp *qp;
+	u64 hret = H_HARDWARE;
+
+	u32 wqe_size_in_bytes_sq = 0;
+	u32 wqe_size_in_bytes_rq1 = 0;
+	u32 wqe_size_in_bytes_rq2 = 0;
+	u32 wqe_size_in_bytes_rq3 = 0;
+
+	int ret = -1;
+
+	EDEB_EN(7, "init_attr=%p", init_attr);
+
+	qp = ehea_qp_new();
+
+	if (!qp) {
+		EDEB_ERR(4, "pd=%X not enough memory to alloc qp", pd);
+		return NULL;
+	}
+	qp->adapter = adapter;
+
+	EDEB(7, "send_ehea_cq->ipz_cq_handle=0x%lX"
+	     "recv_ehea_cq->ipz_cq_handle=0x%lX", init_attr->send_cq_handle,
+	     init_attr->recv_cq_handle);
+
+
+	hret = ehea_h_alloc_resource_qp(adapter->handle, qp,
+					init_attr,
+					pd,
+					&qp->ipz_qp_handle,
+					&qp->galpas);
+
+	if (hret != H_SUCCESS) {
+		EDEB_ERR(4, "ehea_h_alloc_resource_qp failed. hret=%lx", hret);
+		goto create_qp_exit1;
+	}
+
+	wqe_size_in_bytes_sq = map_swqe_size(init_attr->act_wqe_size_enc_sq);
+	EDEB(7, "SWQE SG %d", init_attr->wqe_size_enc_sq);
+
+	wqe_size_in_bytes_rq1 = map_rwqe_size(init_attr->act_wqe_size_enc_rq1);
+	wqe_size_in_bytes_rq2 = map_rwqe_size(init_attr->act_wqe_size_enc_rq2);
+	wqe_size_in_bytes_rq3 = map_rwqe_size(init_attr->act_wqe_size_enc_rq3);
+
+	EDEB(7, "SQ pages: %d, SQ WQE size:%d, max SWQE size enc: %d",
+	     init_attr->nr_sq_pages,
+	     wqe_size_in_bytes_sq, init_attr->act_wqe_size_enc_sq);
+
+	EDEB(7, "RQ1 pages: %d, RQ1 WQE size:%d, max RWQE size enc: %d",
+	     init_attr->nr_rq1_pages,
+	     wqe_size_in_bytes_rq1, init_attr->act_wqe_size_enc_rq1);
+
+	EDEB(7, "RQ2 pages: %d, RQ2 WQE size:%d, max RWQE size enc: %d",
+	     init_attr->nr_rq2_pages,
+	     wqe_size_in_bytes_rq2, init_attr->act_wqe_size_enc_rq2);
+
+	EDEB(7, "RQ3 pages: %d, RQ3 WQE size:%d, max RWQE size enc: %d",
+	     init_attr->nr_rq3_pages,
+	     wqe_size_in_bytes_rq3, init_attr->act_wqe_size_enc_rq3);
+
+	ret = ehea_qp_alloc_register(qp,
+				     &qp->ipz_squeue,
+				     init_attr->nr_sq_pages,
+				     wqe_size_in_bytes_sq,
+				     init_attr->act_wqe_size_enc_sq, adapter,
+				     0);
+	if (ret < H_SUCCESS) {
+		EDEB_ERR(4, "can't register for sq hret=%x", ret);
+		goto create_qp_exit2;
+	}
+
+	ret = ehea_qp_alloc_register(qp,
+				     &qp->ipz_rqueue1,
+				     init_attr->nr_rq1_pages,
+				     wqe_size_in_bytes_rq1,
+				     init_attr->act_wqe_size_enc_rq1,
+				     adapter, 1);
+
+	if (ret < 0) {
+		EDEB_ERR(4, "can't register for rq1 hret=%x", ret);
+		goto create_qp_exit3;
+	}
+
+	if (init_attr->rq_count > 1) {
+		ret = ehea_qp_alloc_register(qp,
+					     &qp->ipz_rqueue2,
+					     init_attr->nr_rq2_pages,
+					     wqe_size_in_bytes_rq2,
+					     init_attr->act_wqe_size_enc_rq2,
+					     adapter, 2);
+
+		if (ret < 0) {
+			EDEB_ERR(4, "can't register for rq2 hret=%x", ret);
+			goto create_qp_exit4;
+		}
+	}
+
+	if (init_attr->rq_count > 2) {
+		ret = ehea_qp_alloc_register(qp,
+					     &qp->ipz_rqueue3,
+					     init_attr->nr_rq3_pages,
+					     wqe_size_in_bytes_rq3,
+					     init_attr->act_wqe_size_enc_rq3,
+					     adapter, 3);
+
+		if (ret != 0) {
+			EDEB_ERR(4, "can't register for rq3 hret=%x", ret);
+			goto create_qp_exit5;
+		}
+	}
+
+	qp->init_attr = *init_attr;
+
+	EDEB_EX(7, "");
+	return qp;
+
+create_qp_exit5:
+	ipz_queue_dtor(&qp->ipz_rqueue2);
+
+create_qp_exit4:
+	ipz_queue_dtor(&qp->ipz_rqueue1);
+
+create_qp_exit3:
+	ipz_queue_dtor(&qp->ipz_squeue);
+
+create_qp_exit2:
+	hret = ehea_h_destroy_qp(adapter->handle, qp, qp->ipz_qp_handle,
+				 &qp->galpas);
+
+create_qp_exit1:
+	ehea_qp_delete(qp);
+
+	EDEB_EX(7, "hret=NULL");
+	return NULL;
+
+}
+
+int ehea_destroy_qp(struct ehea_qp *qp)
+{
+	int ret = 0;
+	u64 hret;
+	struct ehea_qp_init_attr *qp_attr = &qp->init_attr;
+	EDEB_EX(7, "");
+
+	hret = ehea_h_destroy_qp(qp->adapter->handle, qp, qp->ipz_qp_handle,
+				 &qp->galpas);
+	if (hret != H_SUCCESS) {
+		EDEB_ERR(4, "destroy QP failed!");
+		ret = -EINVAL;
+	}
+
+	ipz_queue_dtor(&qp->ipz_squeue);
+	ipz_queue_dtor(&qp->ipz_rqueue1);
+
+   	if(qp_attr->rq_count > 1)
+		ipz_queue_dtor(&qp->ipz_rqueue2);
+   	if(qp_attr->rq_count > 2)
+		ipz_queue_dtor(&qp->ipz_rqueue3);
+	ehea_qp_delete(qp);
+
+	EDEB_EX(7, "hret=%lx", hret);
+
+	return ret;
+}
+
+#define EHEA_MEM_START 0xc000000000000000
+#define EHEA_MEM_ACC_CTRL 0x00800000
+
+int ehea_reg_mr_adapter(struct ehea_adapter *adapter)
+{
+	int i;
+	u64 hret;
+	u64 start = EHEA_MEM_START;
+	u64 end = (u64) high_memory;
+	u64 nr_pages = (end - start) / PAGE_SIZE;
+	u32 acc_ctrl = EHEA_MEM_ACC_CTRL;
+
+	EDEB_EN(7, "adapter=%p", adapter);
+
+	hret = ehea_h_alloc_resource_mr(adapter->handle,
+					start,
+					end - start,
+					acc_ctrl,
+					adapter->pd,
+					&adapter->mr_handle,
+					&adapter->lkey);
+	if (hret != H_SUCCESS) {
+		EDEB_EX(4, "Error: hret=%lX\n", hret);
+		return -EINVAL;
+	}
+
+	for (i = 0; i < nr_pages; i++) {
+		hret = ehea_h_register_rpage_mr(adapter->handle,
+						adapter->mr_handle,
+						0,
+						0,
+						virt_to_abs(
+							(void *)(((u64) start)
+							+ (i * PAGE_SIZE))),
+						1);
+
+		if (((hret != H_SUCCESS) && (hret != H_PAGE_REGISTERED))) {
+			ehea_h_free_resource_mr(adapter->handle, adapter->mr_handle);
+			EDEB_EX(4, " register rpage_mr: hret=%lX\n", hret);
+			return -EINVAL;
+		}
+	}
+
+	if (hret != H_SUCCESS) {
+		ehea_h_free_resource_mr(adapter->handle, adapter->mr_handle);
+		EDEB_EX(4, " register rpage_mr failed for last page:"
+			"hret=%lX\n", hret);
+		return -EINVAL;
+	}
+
+	EDEB_EX(7, "");
+	return 0;
+}
+
+int ehea_dereg_mr_adapter(struct ehea_adapter *adapter)
+{
+	u64 hret;
+	EDEB_EN(7, "adapter=%p", adapter);
+	hret = ehea_h_free_resource_mr(adapter->handle, adapter->mr_handle);
+	if (hret != H_SUCCESS) {
+		EDEB_EX(4, "deregistering memory region failed");
+		return -EINVAL;
+	}
+	EDEB_EX(7, "");
+	return 0;
+}
--- linux-2.6.17.1-orig/drivers/net/ehea/ehea_qmr.h	1969-12-31 16:00:00.000000000 -0800
+++ kernel/drivers/net/ehea/ehea_qmr.h	2006-06-21 04:44:50.155485976 -0700
@@ -0,0 +1,390 @@
+/*
+ *  linux/drivers/net/ehea/ehea_qmr.h
+ *
+ *  eHEA ethernet device driver for IBM eServer System p
+ *
+ *  (C) Copyright IBM Corp. 2006
+ *
+ *  Authors:
+ *       Christoph Raisch <[email-masked]>
+ *       Jan-Bernd Themann <[email-masked]>
+ *       Heiko-Joerg Schick <[email-masked]>
+ *       Thomas Klein <[email-masked]>
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef __EHEA_QMR_H__
+#define __EHEA_QMR_H__
+
+#include "ehea.h"
+#include "ehea_hw.h"
+
+/* Use of WR_ID field for EHEA */
+#define EHEA_WR_ID_COUNT   EHEA_BMASK_IBM(0, 19)
+#define EHEA_WR_ID_TYPE    EHEA_BMASK_IBM(20, 23)
+#define EHEA_SWQE2_TYPE    0x1
+#define EHEA_SWQE3_TYPE    0x2
+#define EHEA_RWQE2_TYPE    0x3	/* RQ2  */
+#define EHEA_RWQE3_TYPE    0x4	/* RQ3  */
+#define EHEA_WR_ID_INDEX   EHEA_BMASK_IBM(24, 47)
+#define EHEA_WR_ID_REFILL  EHEA_BMASK_IBM(48, 63)
+
+struct ehea_vsgentry {
+	u64 vaddr;
+	u32 l_key;
+	u32 len;
+};
+
+/* maximum number of sg entries allowed in a WQE */
+#define EHEA_MAX_WQE_SG_ENTRIES  252
+#define SWQE2_RES_IMM            14
+#define SWQE2_MAX_IMM            (160-SWQE2_RES_IMM)
+#define SWQE3_MAX_IMM            224
+
+/* tx control flags for swqe */
+#define EHEA_SWQE_CRC                    0x8000
+#define EHEA_SWQE_IP_CHECKSUM            0x4000
+#define EHEA_SWQE_TCP_CHECKSUM           0x2000
+#define EHEA_SWQE_TSO                    0x1000
+#define EHEA_SWQE_SIGNALLED_COMPLETION   0x0800
+#define EHEA_SWQE_VLAN_INSERT            0x0400
+#define EHEA_SWQE_IMM_DATA_PRESENT 	 0x0200
+#define EHEA_SWQE_DESCRIPTORS_PRESENT    0x0100
+#define EHEA_SWQE_WRAP_CTL_REC           0x0080
+#define EHEA_SWQE_WRAP_CTL_FORCE         0x0040
+#define EHEA_SWQE_BIND                   0x0020
+#define EHEA_SWQE_PURGE                  0x0010
+
+#define SWQE_HEADER_SIZE 32
+
+struct ehea_swqe {
+	u64 wr_id;
+	u16 tx_control;
+	u16 vlan_tag;
+	u8 reserved1;
+	u8 ip_start;
+	u8 ip_end;
+	u8 immediate_data_length;
+	u8 tcp_offset;
+	u8 reserved2;
+	u16 tcp_end;
+	u8 wrap_tag;
+	u8 descriptors;		/* number of valid descriptors in WQE */
+	u16 reserved3;
+	u16 reserved4;
+	u16 mss;
+	u32 reserved5;
+	union {
+		/*  Send WQE Format 1 */
+		struct {
+			struct ehea_vsgentry sg_list[EHEA_MAX_WQE_SG_ENTRIES];
+		} no_immediate_data;
+
+		/*  Send WQE Format 2 */
+		struct {
+			struct ehea_vsgentry sg_entry;
+			/* 0x30 */
+			u8 immediate_data[0xd0 - 0x30];
+			/* 0xd0 */
+			struct ehea_vsgentry sg_list[EHEA_MAX_WQE_SG_ENTRIES -
+						     1];
+		} immdata_desc __attribute__ ((packed));
+
+		/*  Send WQE Format 3 */
+		struct {
+			u8 immediate_data[1];
+		} immdata_nodesc;
+	} u;
+};
+
+struct ehea_rwqe {
+	u64 wr_id;		/* work request ID */
+	u8 reserved1[5];
+	u8 data_segments;
+	u16 reserved2;
+	u64 reserved3;
+	u64 reserved4;
+	struct ehea_vsgentry sg_list[EHEA_MAX_WQE_SG_ENTRIES];
+};
+
+#define EHEA_CQE_VLAN_TAG_XTRACT  0x0400
+
+#define EHEA_CQE_TYPE_RQ          0x60
+#define EHEA_CQE_STAT_ERR_MASK    0x7300
+#define EHEA_CQE_STAT_ERR_TCP     0x4000
+
+struct ehea_cqe {
+	u64 wr_id;		/* work request ID from WQE */
+	u8 type;
+	u8 valid;
+	u16 status;
+	u16 reserved1;
+	u16 num_bytes_transfered;
+	u16 vlan_tag;
+	u16 inet_checksum_value;
+	u8 reserved2;
+	u8 header_length;
+	u16 reserved3;
+	u16 page_offset;
+	u16 wqe_count;
+	u32 qp_token;
+	u32 timestamp;
+	u32 reserved4;
+	u64 reserved5[3];
+};
+
+#define EHEA_EQE_VALID           EHEA_BMASK_IBM(0, 0)
+#define EHEA_EQE_IS_CQE          EHEA_BMASK_IBM(1, 1)
+#define EHEA_EQE_IDENTIFIER      EHEA_BMASK_IBM(2, 7)
+#define EHEA_EQE_QP_CQ_NUMBER    EHEA_BMASK_IBM(8, 31)
+#define EHEA_EQE_QP_TOKEN        EHEA_BMASK_IBM(32, 63)
+#define EHEA_EQE_CQ_TOKEN        EHEA_BMASK_IBM(32, 63)
+#define EHEA_EQE_KEY             EHEA_BMASK_IBM(32, 63)
+#define EHEA_EQE_PORT_NUMBER     EHEA_BMASK_IBM(56, 63)
+#define EHEA_EQE_EQ_NUMBER       EHEA_BMASK_IBM(48, 63)
+#define EHEA_EQE_SM_ID           EHEA_BMASK_IBM(48, 63)
+#define EHEA_EQE_SM_MECH_NUMBER  EHEA_BMASK_IBM(48, 55)
+#define EHEA_EQE_SM_PORT_NUMBER  EHEA_BMASK_IBM(56, 63)
+
+struct ehea_eqe {
+	u64 entry;
+};
+
+struct ehea_mrte {
+	u64 starting_va;
+	u64 length;		/*  length of memory region in bytes */
+	u32 pd;
+	u8 key_instance;
+	u8 pagesize;
+	u8 mr_control;
+	u8 local_remote_access_controll;
+	u8 reserved[0x20 - 0x18];
+	u64 at_pointer[4];
+};
+
+static inline void *ipz_qeit_calc(struct ipz_queue *queue, u64 q_offset)
+{
+	struct ipz_page *current_page = NULL;
+	if (q_offset >= queue->queue_length)
+		q_offset -= queue->queue_length;
+	current_page = (queue->queue_pages)[q_offset >> EHEA_PAGESHIFT];
+	return &current_page->entries[q_offset & (EHEA_PAGESIZE - 1)];
+}
+
+static inline void *ipz_qeit_get(struct ipz_queue *queue)
+{
+	return ipz_qeit_calc(queue, queue->current_q_offset);
+}
+
+static inline void ipz_qeit_inc(struct ipz_queue *queue)
+{
+	queue->current_q_offset += queue->qe_size;
+	if (queue->current_q_offset >= queue->queue_length) {
+		queue->current_q_offset = 0;
+		/* toggle the valid flag */
+		queue->toggle_state = (~queue->toggle_state) & 1;
+	}
+}
+
+static inline void *ipz_qeit_get_inc(struct ipz_queue *queue)
+{
+	void *retvalue = ipz_qeit_get(queue);
+	ipz_qeit_inc(queue);
+	EDEB(8, "queue=%p retvalue=%p new current_q_addr=%lx qe_size=%x",
+	     queue, retvalue, queue->current_q_offset, queue->qe_size);
+
+	return retvalue;
+}
+
+static inline void *ipz_qeit_get_inc_valid(struct ipz_queue *queue)
+{
+	struct ehea_cqe *retvalue = ipz_qeit_get(queue);
+	void *pref;
+	u8 valid = retvalue->valid;
+	if ((valid >> 7) == (queue->toggle_state & 1)) {
+		/* this is a good one */
+		iosync();
+		ipz_qeit_inc(queue);
+		pref = ipz_qeit_calc(queue, queue->current_q_offset);
+		prefetch(pref);
+		prefetch(pref + 128);
+	} else
+		retvalue = NULL;
+	return retvalue;
+}
+
+static inline void *ipz_qeit_get_valid(struct ipz_queue *queue)
+{
+	struct ehea_cqe *retvalue = ipz_qeit_get(queue);
+	void *pref;
+	pref = ipz_qeit_calc(queue, queue->current_q_offset);
+	prefetch(pref);
+	prefetch(pref + 128);
+	prefetch(pref + 256);
+	u8 valid = retvalue->valid;
+	if ((valid >> 7) == (queue->toggle_state & 1))
+		iosync();
+	else
+		retvalue = NULL;
+	return retvalue;
+}
+
+static inline void *ipz_qeit_reset(struct ipz_queue *queue)
+{
+	queue->current_q_offset = 0;
+	return ipz_qeit_get(queue);
+}
+
+static inline void *ipz_qeit_eq_get_inc(struct ipz_queue *queue)
+{
+	void *retvalue = NULL;
+	u64 last_entry_in_q = queue->queue_length - queue->qe_size;
+
+	retvalue = ipz_qeit_get(queue);
+	queue->current_q_offset += queue->qe_size;
+	if (queue->current_q_offset > last_entry_in_q) {
+		queue->current_q_offset = 0;
+		queue->toggle_state = (~queue->toggle_state) & 1;
+	}
+
+	EDEB(7, "queue=%p retvalue=%p new current_q_offset=%lx qe_size=%x",
+	     queue, retvalue, queue->current_q_offset, queue->qe_size);
+
+	return retvalue;
+}
+
+static inline void *ipz_eqit_eq_get_inc_valid(struct ipz_queue *queue)
+{
+	void *retvalue = ipz_qeit_get(queue);
+	u32 qe = *(u8 *) retvalue;
+	EDEB(7, "ipz_eqit_eq_get_inc_valid qe=%x", qe);
+	if ((qe >> 7) == (queue->toggle_state & 1))
+		ipz_qeit_eq_get_inc(queue);
+	else
+		retvalue = NULL;
+	return retvalue;
+}
+
+static inline struct ehea_rwqe *ehea_get_next_rwqe(struct ehea_qp *qp,
+						   int rq_nr)
+{
+
+	struct ehea_rwqe *wqe_p = NULL;
+	struct ipz_queue *queue = NULL;
+	struct ehea_qp *my_qp = qp;
+	EDEB_EN(8, "QP=%p, RQ_nr=%d", qp, rq_nr);
+
+	if (rq_nr == 1)
+		queue = &my_qp->ipz_rqueue1;
+	else if (rq_nr == 2)
+		queue = &my_qp->ipz_rqueue2;
+	else
+		queue = &my_qp->ipz_rqueue3;
+	wqe_p = (struct ehea_rwqe *)ipz_qeit_get_inc(queue);
+
+	EDEB_EX(8, "&RWQE=%p, queue=%p", wqe_p, queue);
+	return wqe_p;
+}
+
+static inline struct ehea_swqe *ehea_get_swqe(struct ehea_qp *my_qp)
+{
+
+	struct ehea_swqe *wqe_p = NULL;
+	EDEB_EN(7, "QP=%p, queue=%p", my_qp, &my_qp->ipz_squeue);
+	wqe_p = (struct ehea_swqe *)ipz_qeit_get_inc(&my_qp->ipz_squeue);
+	EDEB_EX(7, "");
+	return wqe_p;
+}
+
+static inline void ehea_post_swqe(struct ehea_qp *my_qp, struct ehea_swqe *swqe)
+{
+
+	EDEB_EN(7, "QP=%p, SWQE=%p", my_qp, swqe);
+	EDEB(6, "SWQE workreqid = 0x%lX, imm_data_len=%d, descriptors=%d",
+	     (u64) swqe->wr_id, swqe->immediate_data_length, swqe->descriptors);
+	iosync();
+	ehea_update_sqa(my_qp, 1);
+	EDEB_EX(7, "");
+}
+
+static inline struct ehea_cqe *ehea_poll_rq1(struct ehea_qp *qp, int *wqe_index)
+{
+	struct ipz_queue *queue = &qp->ipz_rqueue1;
+	struct ehea_cqe *cqe = NULL;
+
+	EDEB_EN(7, "QP=%p, RQ1 toggle state = %d, current_q_offset=%lx", qp,
+		queue->toggle_state, queue->current_q_offset);
+	*wqe_index = (queue->current_q_offset) >> (7 + EHEA_SG_RQ1);
+	cqe = (struct ehea_cqe *)ipz_qeit_get_valid(queue);
+	EDEB_EX(7, "cqe=%p, new toggle state %d, wqe_index = %d",
+		cqe, queue->toggle_state, *wqe_index);
+	return cqe;
+}
+
+static inline void ehea_inc_rq1(struct ehea_qp *qp)
+{
+	struct ipz_queue *queue = &qp->ipz_rqueue1;
+	ipz_qeit_inc(queue);
+}
+
+static inline struct ehea_cqe *ehea_poll_cq(struct ehea_cq *my_cq)
+{
+
+	struct ehea_cqe *wqe_p = NULL;
+	EDEB_EN(7, "CQ=%p", my_cq);
+
+	EDEB(7, "queue_element_size=%x, alloc_len=%x, queue=%p",
+	     my_cq->ipz_queue.qe_size,
+	     my_cq->ipz_queue.queue_length, &my_cq->ipz_queue);
+	wqe_p = (struct ehea_cqe *)ipz_qeit_get_inc_valid(&my_cq->ipz_queue);
+
+	EDEB_EX(7, "wqe_p=%p", wqe_p);
+	return wqe_p;
+};
+
+#define HIPZ_CQ_REGISTER_ORIG 0
+#define HIPZ_EQ_REGISTER_ORIG 0
+
+enum ehea_eq_type {
+	EHEA_EQ = 0,		/* event queue              */
+	EHEA_NEQ		/* notification event queue */
+};
+
+struct ehea_eq *ehea_create_eq(struct ehea_adapter *adapter,
+			       enum ehea_eq_type type,
+			       const u32 length, const u8 eqe_gen);
+
+int ehea_destroy_eq(struct ehea_adapter *adapter, struct ehea_eq *eq);
+
+void *ehea_poll_eq(struct ehea_adapter *adapter, struct ehea_eq *eq);
+
+struct ehea_cq *ehea_create_cq(struct ehea_adapter *adapter, int cqe,
+			       u64 eq_handle, u32 cq_token);
+
+int ehea_destroy_cq(struct ehea_cq *cq);
+
+
+struct ehea_qp *ehea_create_qp(struct ehea_adapter * adapter,
+			       u32 pd,
+			       struct ehea_qp_init_attr *init_attr);
+
+int ehea_destroy_qp(struct ehea_qp *qp);
+
+int ehea_reg_mr_adapter(struct ehea_adapter *adapter);
+int ehea_dereg_mr_adapter(struct ehea_adapter *adapter);
+
+#endif	/* __EHEA_QMR_H__ */
--- linux-2.6.17.1-orig/drivers/net/ehea/ehea_ethtool.c	1969-12-31 16:00:00.000000000 -0800
+++ kernel/drivers/net/ehea/ehea_ethtool.c	2006-06-21 04:44:50.140488256 -0700
@@ -0,0 +1,325 @@
+/*
+ *  linux/drivers/net/ehea/ehea_main.c
+ *
+ *  eHEA ethernet device driver for IBM eServer System p
+ *
+ *  (C) Copyright IBM Corp. 2006
+ *
+ *  Authors:
+ *       Christoph Raisch <[email-masked]>
+ *       Jan-Bernd Themann <[email-masked]>
+ *       Heiko-Joerg Schick <[email-masked]>
+ *       Thomas Klein <[email-masked]>
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include "ehea.h"
+#include "ehea_phyp.h"
+
+
+static int netdev_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
+{
+	u64 hret;
+	struct ehea_port *port = (struct ehea_port*)dev->priv;
+	struct ehea_adapter *adapter = port->adapter;
+	struct hcp_query_ehea_port_cb_4 *cb4 = NULL;
+
+	EDEB_EN(7, "net_device=%p", dev);
+
+	cb4 = kzalloc(H_CB_ALIGNMENT, GFP_KERNEL);
+	if(!cb4) {
+		EDEB_ERR(4, "No memory for cb4");
+		goto get_settings_exit;
+	}
+
+	hret = ehea_h_query_ehea_port(adapter->handle,
+				      port->logical_port_id,
+				      H_PORT_CB4,
+				      H_PORT_CB4_ALL,
+				      cb4);
+
+	if (hret != H_SUCCESS) {
+		EDEB_ERR(4, "query_ehea_port failed for cb4");
+		kfree(cb4);
+		goto get_settings_exit;
+	}
+
+	EDEB_DMP(7, (u8*)cb4,
+		 sizeof(struct hcp_query_ehea_port_cb_4), "After HCALL");
+
+	if (netif_carrier_ok(dev)) {
+		switch(cb4->port_speed){
+		case H_PORT_SPEED_10M_H:
+			cmd->speed = SPEED_10;
+			cmd->duplex = DUPLEX_HALF;
+			break;
+		case H_PORT_SPEED_10M_F:
+			cmd->speed = SPEED_10;
+			cmd->duplex = DUPLEX_FULL;
+			break;
+		case H_PORT_SPEED_100M_H:
+			cmd->speed = SPEED_100;
+			cmd->duplex = DUPLEX_HALF;
+			break;
+		case H_PORT_SPEED_100M_F:
+			cmd->speed = SPEED_100;
+			cmd->duplex = DUPLEX_FULL;
+			break;
+		case H_PORT_SPEED_1G_F:
+			cmd->speed = SPEED_1000;
+			cmd->duplex = DUPLEX_FULL;
+			break;
+		case H_PORT_SPEED_10G_F:
+			cmd->speed = SPEED_10000;
+			cmd->duplex = DUPLEX_FULL;
+			break;
+		}
+	} else {
+		cmd->speed = -1;
+		cmd->duplex = -1;
+	}
+
+	cmd->supported =
+	    (SUPPORTED_10000baseT_Full | SUPPORTED_1000baseT_Full
+	     | SUPPORTED_100baseT_Full |  SUPPORTED_100baseT_Half
+	     | SUPPORTED_10baseT_Full | SUPPORTED_10baseT_Half
+	     | SUPPORTED_Autoneg | SUPPORTED_FIBRE);
+	cmd->advertising =
+	    (ADVERTISED_10000baseT_Full | ADVERTISED_Autoneg
+	     | ADVERTISED_FIBRE);
+	cmd->port = PORT_FIBRE;
+	cmd->autoneg = AUTONEG_ENABLE;
+
+	kfree(cb4);
+	return 0;
+
+get_settings_exit:
+	EDEB_EX(7, "");
+	return 1;
+}
+
+static int netdev_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
+{
+	printk("set settings\n");
+	return 0;
+}
+
+static void netdev_get_drvinfo(struct net_device *dev,
+			       struct ethtool_drvinfo *info)
+{
+	printk("get drvinfo\n");
+	strncpy(info->driver, EHEA_DRIVER_NAME, sizeof(info->driver) - 1);
+	strncpy(info->version, EHEA_DRIVER_VERSION, sizeof(info->version) - 1);
+}
+
+static u32 netdev_get_msglevel(struct net_device *dev)
+{
+	EDEB(7, "");
+	return (u32)ehea_trace_level;
+}
+
+static void netdev_set_msglevel(struct net_device *dev, u32 value)
+{
+	EDEB(7, "trace level set to %x", value);
+	ehea_trace_level = (int)value;
+}
+
+static int netdev_nway_reset(struct net_device *dev)
+{
+	printk("nway reset\n");
+	return 0;
+}
+
+static void netdev_get_pauseparam(struct net_device *dev,
+				  struct ethtool_pauseparam *pauseparam)
+{
+	printk("get pauseparam\n");
+}
+
+static int netdev_set_pauseparam(struct net_device *dev,
+				 struct ethtool_pauseparam *pauseparam)
+{
+	printk("set pauseparam\n");
+	return 0;
+}
+
+static u32 netdev_get_rx_csum(struct net_device *dev)
+{
+	printk("set rx_csum\n");
+	return 0;
+}
+
+static int netdev_set_rx_csum(struct net_device *dev, u32 value)
+{
+	printk("set rx_csum\n");
+	return 0;
+}
+
+static int netdev_self_test_count(struct net_device *dev)
+{
+	printk("self test count\n");
+	return 0;
+}
+
+static void netdev_self_test(struct net_device *dev, struct ethtool_test *test,
+			     u64 *value)
+{
+	printk("self test\n");
+}
+
+static int netdev_phys_id(struct net_device *dev, u32 value)
+{
+	printk("physical id\n");
+	return 0;
+}
+
+static char ehea_ethtool_stats_keys[][ETH_GSTRING_LEN] = {
+	{"poll_max_processed"},
+	{"queue_stopped"},
+	{"min_swqe_avail"},
+	{"poll_receive_err"},
+	{"pkt_send"},
+	{"pkt_xmit"},
+	{"send_tasklet"},
+	{"ehea_poll"},
+	{"nwqe"},
+	{"swqe_available"},
+	{"rxo"},
+	{"rx64"},
+	{"rx65"},
+	{"rx128"},
+	{"rx256"},
+	{"rx512"},
+	{"rx1024"},
+	{"txo"},
+	{"tx64"},
+	{"tx65"},
+	{"tx128"},
+	{"tx256"},
+	{"tx512"},
+	{"tx1024"}
+};
+
+static void netdev_get_strings(struct net_device *dev,
+				     u32 stringset, u8 * data)
+{
+	switch (stringset) {
+	case ETH_SS_TEST:
+		break;
+	case ETH_SS_STATS:
+		memcpy(data, &ehea_ethtool_stats_keys,
+		       sizeof(ehea_ethtool_stats_keys));
+	}
+}
+
+static int netdev_get_stats_count(struct net_device *dev)
+{
+	return ARRAY_SIZE(ehea_ethtool_stats_keys);
+}
+
+
+static void netdev_get_ethtool_stats(struct net_device *dev,
+				     struct ethtool_stats *stats, u64 *data)
+{
+	int i = 0;
+	u64 hret;
+	struct ehea_port *port = (struct ehea_port*)dev->priv;
+	struct ehea_adapter *adapter = port->adapter;
+	struct port_state *p_state = &port->p_state;
+	struct hcp_query_ehea_port_cb_6 *cb6 = NULL;
+
+	EDEB_EN(7, "net_device=%p", dev);
+
+	cb6 = kzalloc(H_CB_ALIGNMENT, GFP_KERNEL);
+	if(!cb6) {
+		EDEB_ERR(4, "No memory for cb6");
+		goto stats_exit;
+	}
+
+	hret = ehea_h_query_ehea_port(adapter->handle,
+				      port->logical_port_id,
+				      H_PORT_CB6,
+				      H_PORT_CB6_ALL,
+				      cb6);
+
+	if (hret != H_SUCCESS)
+		EDEB_ERR(4, "query_ehea_port failed for cb6");
+
+	EDEB_DMP(7, (u8*)cb6,
+		 sizeof(struct hcp_query_ehea_port_cb_6), "After HCALL");
+	data[i++] = p_state->poll_max_processed;
+	data[i++] = p_state->queue_stopped;
+	data[i++] = p_state->min_swqe_avail;
+	data[i++] = p_state->poll_receive_errors;
+	data[i++] = p_state->pkt_send;
+	data[i++] = p_state->pkt_xmit;
+	data[i++] = p_state->send_tasklet;
+	data[i++] = p_state->ehea_poll;
+	data[i++] = p_state->nwqe;
+	data[i++] = atomic_read(&port->port_res[0].swqe_avail);
+
+	data[i++] = cb6->rxo;
+	data[i++] = cb6->rx64;
+	data[i++] = cb6->rx65;
+	data[i++] = cb6->rx128;
+	data[i++] = cb6->rx256;
+	data[i++] = cb6->rx512;
+	data[i++] = cb6->rx1024;
+	data[i++] = cb6->txo;
+	data[i++] = cb6->tx64;
+	data[i++] = cb6->tx65;
+	data[i++] = cb6->tx128;
+	data[i++] = cb6->tx256;
+	data[i++] = cb6->tx512;
+	data[i++] = cb6->tx1024;
+
+
+	kfree(cb6);
+stats_exit:
+	EDEB_EX(7, "");
+}
+
+struct ethtool_ops ehea_ethtool_ops = {
+	.get_settings = netdev_get_settings,
+	.set_settings = netdev_set_settings,
+	.get_drvinfo = netdev_get_drvinfo,
+	.get_msglevel = netdev_get_msglevel,
+	.set_msglevel = netdev_set_msglevel,
+	.nway_reset = netdev_nway_reset,
+	.get_link = ethtool_op_get_link,
+	.get_pauseparam = netdev_get_pauseparam,
+	.set_pauseparam = netdev_set_pauseparam,
+	.get_rx_csum = netdev_get_rx_csum,
+	.set_rx_csum = netdev_set_rx_csum,
+	.get_tx_csum = ethtool_op_get_tx_csum,
+	.set_tx_csum = ethtool_op_set_tx_csum,
+	.get_sg = ethtool_op_get_sg,
+	.set_sg = ethtool_op_set_sg,
+	.get_tso = ethtool_op_get_tso,
+	.set_tso = ethtool_op_set_tso,
+	.self_test_count = netdev_self_test_count,
+	.self_test = netdev_self_test,
+	.get_strings = netdev_get_strings,
+	.phys_id = netdev_phys_id,
+	.get_stats_count = netdev_get_stats_count,
+	.get_ethtool_stats = netdev_get_ethtool_stats
+};
+
+void ehea_set_ethtool_ops(struct net_device *netdev)
+{
+	SET_ETHTOOL_OPS(netdev, &ehea_ethtool_ops);
+}