net: ethernet: aquantia: Common functions and definitions

Add files containing the functions and definitions used in common in
different functional areas.

Signed-off-by: Alexander Loktionov <Alexander.Loktionov@aquantia.com>
Signed-off-by: Dmitrii Tarakanov <Dmitrii.Tarakanov@aquantia.com>
Signed-off-by: Pavel Belous <Pavel.Belous@aquantia.com>
Signed-off-by: Dmitry Bezrukov <Dmitry.Bezrukov@aquantia.com>
Signed-off-by: David M. VomLehn <vomlehn@texas.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

3 files changed, 150 insertions, 0 deletions

diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_cfg.h b/drivers/net/ethernet/aquantia/atlantic/aq_cfg.h
new file mode 100644
index 000000000000..5f99237a9d52
--- /dev/null
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_cfg.h
@@ -0,0 +1,77 @@
+/*
+ * aQuantia Corporation Network Driver
+ * Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ */
+
+/* File aq_cfg.h: Definition of configuration parameters and constants. */
+
+#ifndef AQ_CFG_H
+#define AQ_CFG_H
+
+#define AQ_CFG_VECS_DEF   4U
+#define AQ_CFG_TCS_DEF    1U
+
+#define AQ_CFG_TXDS_DEF    4096U
+#define AQ_CFG_RXDS_DEF    1024U
+
+#define AQ_CFG_IS_POLLING_DEF 0U
+
+#define AQ_CFG_FORCE_LEGACY_INT 0U
+
+#define AQ_CFG_IS_INTERRUPT_MODERATION_DEF   1U
+#define AQ_CFG_INTERRUPT_MODERATION_RATE_DEF 0xFFFFU
+#define AQ_CFG_IRQ_MASK                      0x1FFU
+
+#define AQ_CFG_VECS_MAX   8U
+#define AQ_CFG_TCS_MAX    8U
+
+#define AQ_CFG_TX_FRAME_MAX  (16U * 1024U)
+#define AQ_CFG_RX_FRAME_MAX  (4U * 1024U)
+
+/* LRO */
+#define AQ_CFG_IS_LRO_DEF           1U
+
+/* RSS */
+#define AQ_CFG_RSS_INDIRECTION_TABLE_MAX  128U
+#define AQ_CFG_RSS_HASHKEY_SIZE           320U
+
+#define AQ_CFG_IS_RSS_DEF           1U
+#define AQ_CFG_NUM_RSS_QUEUES_DEF   AQ_CFG_VECS_DEF
+#define AQ_CFG_RSS_BASE_CPU_NUM_DEF 0U
+
+#define AQ_CFG_PCI_FUNC_MSIX_IRQS   9U
+#define AQ_CFG_PCI_FUNC_PORTS       2U
+
+#define AQ_CFG_SERVICE_TIMER_INTERVAL    (2 * HZ)
+#define AQ_CFG_POLLING_TIMER_INTERVAL   ((unsigned int)(2 * HZ))
+
+#define AQ_CFG_SKB_FRAGS_MAX   32U
+
+#define AQ_CFG_NAPI_WEIGHT     64U
+
+#define AQ_CFG_MULTICAST_ADDRESS_MAX     32U
+
+/*#define AQ_CFG_MAC_ADDR_PERMANENT {0x30, 0x0E, 0xE3, 0x12, 0x34, 0x56}*/
+
+#define AQ_CFG_FC_MODE 3U
+
+#define AQ_CFG_SPEED_MSK  0xFFFFU	/* 0xFFFFU==auto_neg */
+
+#define AQ_CFG_IS_AUTONEG_DEF       1U
+#define AQ_CFG_MTU_DEF              1514U
+
+#define AQ_CFG_LOCK_TRYS   100U
+
+#define AQ_CFG_DRV_AUTHOR      "aQuantia"
+#define AQ_CFG_DRV_DESC        "aQuantia Corporation(R) Network Driver"
+#define AQ_CFG_DRV_NAME        "aquantia"
+#define AQ_CFG_DRV_VERSION	__stringify(NIC_MAJOR_DRIVER_VERSION)"."\
+				__stringify(NIC_MINOR_DRIVER_VERSION)"."\
+				__stringify(NIC_BUILD_DRIVER_VERSION)"."\
+				__stringify(NIC_REVISION_DRIVER_VERSION)
+
+#endif /* AQ_CFG_H */
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_common.h b/drivers/net/ethernet/aquantia/atlantic/aq_common.h
new file mode 100644
index 000000000000..9eb5e222a234
--- /dev/null
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_common.h
@@ -0,0 +1,23 @@
+/*
+ * aQuantia Corporation Network Driver
+ * Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ */
+
+/* File aq_common.h: Basic includes for all files in project. */
+
+#ifndef AQ_COMMON_H
+#define AQ_COMMON_H
+
+#include <linux/etherdevice.h>
+#include <linux/pci.h>
+
+#include "ver.h"
+#include "aq_nic.h"
+#include "aq_cfg.h"
+#include "aq_utils.h"
+
+#endif /* AQ_COMMON_H */
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_utils.h b/drivers/net/ethernet/aquantia/atlantic/aq_utils.h
new file mode 100644
index 000000000000..4446bd90fd86
--- /dev/null
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_utils.h
@@ -0,0 +1,50 @@
+/*
+ * aQuantia Corporation Network Driver
+ * Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ */
+
+/* File aq_utils.h: Useful macro and structures used in all layers of driver. */
+
+#ifndef AQ_UTILS_H
+#define AQ_UTILS_H
+
+#include "aq_common.h"
+
+#define AQ_DIMOF(_ARY_)  ARRAY_SIZE(_ARY_)
+
+struct aq_obj_s {
+	spinlock_t lock; /* spinlock for nic/rings processing */
+	atomic_t flags;
+	atomic_t busy_count;
+};
+
+static inline void aq_utils_obj_set(atomic_t *flags, u32 mask)
+{
+	unsigned long flags_old, flags_new;
+
+	do {
+		flags_old = atomic_read(flags);
+		flags_new = flags_old | (mask);
+	} while (atomic_cmpxchg(flags, flags_old, flags_new) != flags_old);
+}
+
+static inline void aq_utils_obj_clear(atomic_t *flags, u32 mask)
+{
+	unsigned long flags_old, flags_new;
+
+	do {
+		flags_old = atomic_read(flags);
+		flags_new = flags_old & ~(mask);
+	} while (atomic_cmpxchg(flags, flags_old, flags_new) != flags_old);
+}
+
+static inline bool aq_utils_obj_test(atomic_t *flags, u32 mask)
+{
+	return atomic_read(flags) & mask;
+}
+
+#endif /* AQ_UTILS_H */