Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / net / ethernet / cisco / enic / vnic_nic.h

diff --git a/kernel/drivers/net/ethernet/cisco/enic/vnic_nic.h b/kernel/drivers/net/ethernet/cisco/enic/vnic_nic.h
new file mode 100644 (file)
index 0000000..995a50d
--- /dev/null
+++ b/kernel/drivers/net/ethernet/cisco/enic/vnic_nic.h
@@ -0,0 +1,72 @@
+/*
+ * Copyright 2008-2010 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 _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_ */