Imported Upstream version 16.04

[deb_dpdk.git] / drivers / net / enic / base / vnic_nic.h

diff --git a/drivers/net/enic/base/vnic_nic.h b/drivers/net/enic/base/vnic_nic.h
new file mode 100644 (file)
index 0000000..88907c0
--- /dev/null
+++ b/drivers/net/enic/base/vnic_nic.h
@@ -0,0 +1,87 @@
+/*
+ * Copyright 2008-2010 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * Copyright (c) 2014, Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. 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.
+ *
+ * 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 HOLDER 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 _VNIC_NIC_H_
+#define _VNIC_NIC_H_
+
+#define NIC_CFG_RSS_DEFAULT_CPU_MASK_FIELD     0xffUL
+#define NIC_CFG_RSS_DEFAULT_CPU_SHIFT          0
+#define NIC_CFG_RSS_HASH_TYPE                  (0xffUL << 8)
+#define NIC_CFG_RSS_HASH_TYPE_MASK_FIELD       0xffUL
+#define NIC_CFG_RSS_HASH_TYPE_SHIFT            8
+#define NIC_CFG_RSS_HASH_BITS                  (7UL << 16)
+#define NIC_CFG_RSS_HASH_BITS_MASK_FIELD       7UL
+#define NIC_CFG_RSS_HASH_BITS_SHIFT            16
+#define NIC_CFG_RSS_BASE_CPU                   (7UL << 19)
+#define NIC_CFG_RSS_BASE_CPU_MASK_FIELD                7UL
+#define NIC_CFG_RSS_BASE_CPU_SHIFT             19
+#define NIC_CFG_RSS_ENABLE                     (1UL << 22)
+#define NIC_CFG_RSS_ENABLE_MASK_FIELD          1UL
+#define NIC_CFG_RSS_ENABLE_SHIFT               22
+#define NIC_CFG_TSO_IPID_SPLIT_EN              (1UL << 23)
+#define NIC_CFG_TSO_IPID_SPLIT_EN_MASK_FIELD   1UL
+#define NIC_CFG_TSO_IPID_SPLIT_EN_SHIFT                23
+#define NIC_CFG_IG_VLAN_STRIP_EN               (1UL << 24)
+#define NIC_CFG_IG_VLAN_STRIP_EN_MASK_FIELD    1UL
+#define NIC_CFG_IG_VLAN_STRIP_EN_SHIFT         24
+
+#define NIC_CFG_RSS_HASH_TYPE_IPV4             (1 << 1)
+#define NIC_CFG_RSS_HASH_TYPE_TCP_IPV4         (1 << 2)
+#define NIC_CFG_RSS_HASH_TYPE_IPV6             (1 << 3)
+#define NIC_CFG_RSS_HASH_TYPE_TCP_IPV6         (1 << 4)
+#define NIC_CFG_RSS_HASH_TYPE_IPV6_EX          (1 << 5)
+#define NIC_CFG_RSS_HASH_TYPE_TCP_IPV6_EX      (1 << 6)
+
+static inline void vnic_set_nic_cfg(u32 *nic_cfg,
+       u8 rss_default_cpu, u8 rss_hash_type,
+       u8 rss_hash_bits, u8 rss_base_cpu,
+       u8 rss_enable, u8 tso_ipid_split_en,
+       u8 ig_vlan_strip_en)
+{
+       *nic_cfg = (rss_default_cpu & NIC_CFG_RSS_DEFAULT_CPU_MASK_FIELD) |
+               ((rss_hash_type & NIC_CFG_RSS_HASH_TYPE_MASK_FIELD)
+                       << NIC_CFG_RSS_HASH_TYPE_SHIFT) |
+               ((rss_hash_bits & NIC_CFG_RSS_HASH_BITS_MASK_FIELD)
+                       << NIC_CFG_RSS_HASH_BITS_SHIFT) |
+               ((rss_base_cpu & NIC_CFG_RSS_BASE_CPU_MASK_FIELD)
+                       << NIC_CFG_RSS_BASE_CPU_SHIFT) |
+               ((rss_enable & NIC_CFG_RSS_ENABLE_MASK_FIELD)
+                       << NIC_CFG_RSS_ENABLE_SHIFT) |
+               ((tso_ipid_split_en & NIC_CFG_TSO_IPID_SPLIT_EN_MASK_FIELD)
+                       << NIC_CFG_TSO_IPID_SPLIT_EN_SHIFT) |
+               ((ig_vlan_strip_en & NIC_CFG_IG_VLAN_STRIP_EN_MASK_FIELD)
+                       << NIC_CFG_IG_VLAN_STRIP_EN_SHIFT);
+}
+
+#endif /* _VNIC_NIC_H_ */