enic: add Cisco 10G Ethernet NIC driver

Signed-off-by: Scott Feldman <scofeldm@cisco.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

1 files changed, 115 insertions, 0 deletions

diff --git a/drivers/net/enic/enic.h b/drivers/net/enic/enic.h
new file mode 100644
index 000000000000..fb83c926da58
--- /dev/null
+++ b/drivers/net/enic/enic.h
@@ -0,0 +1,115 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#ifndef _ENIC_H_
+#define _ENIC_H_
+
+#include <linux/inet_lro.h>
+
+#include "vnic_enet.h"
+#include "vnic_dev.h"
+#include "vnic_wq.h"
+#include "vnic_rq.h"
+#include "vnic_cq.h"
+#include "vnic_intr.h"
+#include "vnic_stats.h"
+#include "vnic_rss.h"
+
+#define DRV_NAME		"enic"
+#define DRV_DESCRIPTION		"Cisco 10G Ethernet Driver"
+#define DRV_VERSION		"0.0.1.18163.472"
+#define DRV_COPYRIGHT		"Copyright 2008 Cisco Systems, Inc"
+#define PFX			DRV_NAME ": "
+
+#define ENIC_LRO_MAX_DESC	8
+#define ENIC_LRO_MAX_AGGR	64
+
+enum enic_cq_index {
+	ENIC_CQ_RQ,
+	ENIC_CQ_WQ,
+	ENIC_CQ_MAX,
+};
+
+enum enic_intx_intr_index {
+	ENIC_INTX_WQ_RQ,
+	ENIC_INTX_ERR,
+	ENIC_INTX_NOTIFY,
+	ENIC_INTX_MAX,
+};
+
+enum enic_msix_intr_index {
+	ENIC_MSIX_RQ,
+	ENIC_MSIX_WQ,
+	ENIC_MSIX_ERR,
+	ENIC_MSIX_NOTIFY,
+	ENIC_MSIX_MAX,
+};
+
+struct enic_msix_entry {
+	int requested;
+	char devname[IFNAMSIZ];
+	irqreturn_t (*isr)(int, void *);
+	void *devid;
+};
+
+/* Per-instance private data structure */
+struct enic {
+	struct net_device *netdev;
+	struct pci_dev *pdev;
+	struct vnic_enet_config config;
+	struct vnic_dev_bar bar0;
+	struct vnic_dev *vdev;
+	struct net_device_stats net_stats;
+	struct timer_list notify_timer;
+	struct work_struct reset;
+	struct msix_entry msix_entry[ENIC_MSIX_MAX];
+	struct enic_msix_entry msix[ENIC_MSIX_MAX];
+	u32 msg_enable;
+	spinlock_t devcmd_lock;
+	u8 mac_addr[ETH_ALEN];
+	u8 mc_addr[ENIC_MULTICAST_PERFECT_FILTERS][ETH_ALEN];
+	unsigned int mc_count;
+	int csum_rx_enabled;
+	u32 port_mtu;
+
+	/* work queue cache line section */
+	____cacheline_aligned struct vnic_wq wq[1];
+	spinlock_t wq_lock[1];
+	unsigned int wq_count;
+	struct vlan_group *vlan_group;
+
+	/* receive queue cache line section */
+	____cacheline_aligned struct vnic_rq rq[1];
+	unsigned int rq_count;
+	int (*rq_alloc_buf)(struct vnic_rq *rq);
+	struct napi_struct napi;
+	struct net_lro_mgr lro_mgr;
+	struct net_lro_desc lro_desc[ENIC_LRO_MAX_DESC];
+
+	/* interrupt resource cache line section */
+	____cacheline_aligned struct vnic_intr intr[ENIC_MSIX_MAX];
+	unsigned int intr_count;
+	u32 __iomem *legacy_pba;		/* memory-mapped */
+
+	/* completion queue cache line section */
+	____cacheline_aligned struct vnic_cq cq[ENIC_CQ_MAX];
+	unsigned int cq_count;
+};
+
+#endif /* _ENIC_H_ */