Imported Upstream version 16.04

Change-Id: I77eadcd8538a9122e4773cbe55b24033dc451757
Signed-off-by: C.J. Collier <cjcollier@linuxfoundation.org>

1 files changed, 163 insertions, 0 deletions

diff --git a/drivers/net/mlx4/mlx4.h b/drivers/net/mlx4/mlx4.h
new file mode 100644
index 00000000..d0c7bc29
--- /dev/null
+++ b/drivers/net/mlx4/mlx4.h
@@ -0,0 +1,163 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright 2012-2015 6WIND S.A.
+ *   Copyright 2012 Mellanox.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
+ *       distribution.
+ *     * Neither the name of 6WIND S.A. nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef RTE_PMD_MLX4_H_
+#define RTE_PMD_MLX4_H_
+
+#include <stddef.h>
+#include <stdint.h>
+#include <limits.h>
+
+/*
+ * Maximum number of simultaneous MAC addresses supported.
+ *
+ * According to ConnectX's Programmer Reference Manual:
+ *   The L2 Address Match is implemented by comparing a MAC/VLAN combination
+ *   of 128 MAC addresses and 127 VLAN values, comprising 128x127 possible
+ *   L2 addresses.
+ */
+#define MLX4_MAX_MAC_ADDRESSES 128
+
+/* Maximum number of simultaneous VLAN filters supported. See above. */
+#define MLX4_MAX_VLAN_IDS 127
+
+/* Request send completion once in every 64 sends, might be less. */
+#define MLX4_PMD_TX_PER_COMP_REQ 64
+
+/* Maximum number of Scatter/Gather Elements per Work Request. */
+#ifndef MLX4_PMD_SGE_WR_N
+#define MLX4_PMD_SGE_WR_N 4
+#endif
+
+/* Maximum size for inline data. */
+#ifndef MLX4_PMD_MAX_INLINE
+#define MLX4_PMD_MAX_INLINE 0
+#endif
+
+/*
+ * Maximum number of cached Memory Pools (MPs) per TX queue. Each RTE MP
+ * from which buffers are to be transmitted will have to be mapped by this
+ * driver to their own Memory Region (MR). This is a slow operation.
+ *
+ * This value is always 1 for RX queues.
+ */
+#ifndef MLX4_PMD_TX_MP_CACHE
+#define MLX4_PMD_TX_MP_CACHE 8
+#endif
+
+/*
+ * If defined, only use software counters. The PMD will never ask the hardware
+ * for these, and many of them won't be available.
+ */
+#ifndef MLX4_PMD_SOFT_COUNTERS
+#define MLX4_PMD_SOFT_COUNTERS 1
+#endif
+
+/* Alarm timeout. */
+#define MLX4_ALARM_TIMEOUT_US 100000
+
+enum {
+	PCI_VENDOR_ID_MELLANOX = 0x15b3,
+};
+
+enum {
+	PCI_DEVICE_ID_MELLANOX_CONNECTX3 = 0x1003,
+	PCI_DEVICE_ID_MELLANOX_CONNECTX3VF = 0x1004,
+	PCI_DEVICE_ID_MELLANOX_CONNECTX3PRO = 0x1007,
+};
+
+#define MLX4_DRIVER_NAME "librte_pmd_mlx4"
+
+/* Bit-field manipulation. */
+#define BITFIELD_DECLARE(bf, type, size)				\
+	type bf[(((size_t)(size) / (sizeof(type) * CHAR_BIT)) +		\
+		 !!((size_t)(size) % (sizeof(type) * CHAR_BIT)))]
+#define BITFIELD_DEFINE(bf, type, size)					\
+	BITFIELD_DECLARE((bf), type, (size)) = { 0 }
+#define BITFIELD_SET(bf, b)						\
+	(assert((size_t)(b) < (sizeof(bf) * CHAR_BIT)),			\
+	 (void)((bf)[((b) / (sizeof((bf)[0]) * CHAR_BIT))] |=		\
+		((size_t)1 << ((b) % (sizeof((bf)[0]) * CHAR_BIT)))))
+#define BITFIELD_RESET(bf, b)						\
+	(assert((size_t)(b) < (sizeof(bf) * CHAR_BIT)),			\
+	 (void)((bf)[((b) / (sizeof((bf)[0]) * CHAR_BIT))] &=		\
+		~((size_t)1 << ((b) % (sizeof((bf)[0]) * CHAR_BIT)))))
+#define BITFIELD_ISSET(bf, b)						\
+	(assert((size_t)(b) < (sizeof(bf) * CHAR_BIT)),			\
+	 !!(((bf)[((b) / (sizeof((bf)[0]) * CHAR_BIT))] &		\
+	     ((size_t)1 << ((b) % (sizeof((bf)[0]) * CHAR_BIT))))))
+
+/* Number of elements in array. */
+#define elemof(a) (sizeof(a) / sizeof((a)[0]))
+
+/* Cast pointer p to structure member m to its parent structure of type t. */
+#define containerof(p, t, m) ((t *)((uint8_t *)(p) - offsetof(t, m)))
+
+/* Branch prediction helpers. */
+#ifndef likely
+#define likely(c) __builtin_expect(!!(c), 1)
+#endif
+#ifndef unlikely
+#define unlikely(c) __builtin_expect(!!(c), 0)
+#endif
+
+/* Debugging */
+#ifndef NDEBUG
+#include <stdio.h>
+#define DEBUG__(m, ...)						\
+	(fprintf(stderr, "%s:%d: %s(): " m "%c",		\
+		 __FILE__, __LINE__, __func__, __VA_ARGS__),	\
+	 fflush(stderr),					\
+	 (void)0)
+/*
+ * Save/restore errno around DEBUG__().
+ * XXX somewhat undefined behavior, but works.
+ */
+#define DEBUG_(...)				\
+	(errno = ((int []){			\
+		*(volatile int *)&errno,	\
+		(DEBUG__(__VA_ARGS__), 0)	\
+	})[0])
+#define DEBUG(...) DEBUG_(__VA_ARGS__, '\n')
+#define claim_zero(...) assert((__VA_ARGS__) == 0)
+#define claim_nonzero(...) assert((__VA_ARGS__) != 0)
+#define claim_positive(...) assert((__VA_ARGS__) >= 0)
+#else /* NDEBUG */
+/* No-ops. */
+#define DEBUG(...) (void)0
+#define claim_zero(...) (__VA_ARGS__)
+#define claim_nonzero(...) (__VA_ARGS__)
+#define claim_positive(...) (__VA_ARGS__)
+#endif /* NDEBUG */
+
+#endif /* RTE_PMD_MLX4_H_ */