Imported Upstream version 16.04

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

1 files changed, 223 insertions, 0 deletions

diff --git a/drivers/net/i40e/base/i40e_dcb.h b/drivers/net/i40e/base/i40e_dcb.h
new file mode 100644
index 00000000..3b709efd
--- /dev/null
+++ b/drivers/net/i40e/base/i40e_dcb.h
@@ -0,0 +1,223 @@
+/*******************************************************************************
+
+Copyright (c) 2013 - 2015, Intel Corporation
+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.
+
+ 3. Neither the name of the Intel Corporation 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 _I40E_DCB_H_
+#define _I40E_DCB_H_
+
+#include "i40e_type.h"
+
+#define I40E_DCBX_OFFLOAD_DISABLED	0
+#define I40E_DCBX_OFFLOAD_ENABLED	1
+
+#define I40E_DCBX_STATUS_NOT_STARTED	0
+#define I40E_DCBX_STATUS_IN_PROGRESS	1
+#define I40E_DCBX_STATUS_DONE		2
+#define I40E_DCBX_STATUS_MULTIPLE_PEERS	3
+#define I40E_DCBX_STATUS_DISABLED	7
+
+#define I40E_TLV_TYPE_END		0
+#define I40E_TLV_TYPE_ORG		127
+
+#define I40E_IEEE_8021QAZ_OUI		0x0080C2
+#define I40E_IEEE_SUBTYPE_ETS_CFG	9
+#define I40E_IEEE_SUBTYPE_ETS_REC	10
+#define I40E_IEEE_SUBTYPE_PFC_CFG	11
+#define I40E_IEEE_SUBTYPE_APP_PRI	12
+
+#define I40E_CEE_DCBX_OUI		0x001b21
+#define I40E_CEE_DCBX_TYPE		2
+
+#define I40E_CEE_SUBTYPE_CTRL		1
+#define I40E_CEE_SUBTYPE_PG_CFG		2
+#define I40E_CEE_SUBTYPE_PFC_CFG	3
+#define I40E_CEE_SUBTYPE_APP_PRI	4
+
+#define I40E_CEE_MAX_FEAT_TYPE		3
+#define I40E_LLDP_ADMINSTATUS_DISABLED		0
+#define I40E_LLDP_ADMINSTATUS_ENABLED_RX	1
+#define I40E_LLDP_ADMINSTATUS_ENABLED_TX	2
+#define I40E_LLDP_ADMINSTATUS_ENABLED_RXTX	3
+
+/* Defines for LLDP TLV header */
+#define I40E_LLDP_MIB_HLEN		14
+#define I40E_LLDP_TLV_LEN_SHIFT		0
+#define I40E_LLDP_TLV_LEN_MASK		(0x01FF << I40E_LLDP_TLV_LEN_SHIFT)
+#define I40E_LLDP_TLV_TYPE_SHIFT	9
+#define I40E_LLDP_TLV_TYPE_MASK		(0x7F << I40E_LLDP_TLV_TYPE_SHIFT)
+#define I40E_LLDP_TLV_SUBTYPE_SHIFT	0
+#define I40E_LLDP_TLV_SUBTYPE_MASK	(0xFF << I40E_LLDP_TLV_SUBTYPE_SHIFT)
+#define I40E_LLDP_TLV_OUI_SHIFT		8
+#define I40E_LLDP_TLV_OUI_MASK		(0xFFFFFF << I40E_LLDP_TLV_OUI_SHIFT)
+
+/* Defines for IEEE ETS TLV */
+#define I40E_IEEE_ETS_MAXTC_SHIFT	0
+#define I40E_IEEE_ETS_MAXTC_MASK	(0x7 << I40E_IEEE_ETS_MAXTC_SHIFT)
+#define I40E_IEEE_ETS_CBS_SHIFT		6
+#define I40E_IEEE_ETS_CBS_MASK		BIT(I40E_IEEE_ETS_CBS_SHIFT)
+#define I40E_IEEE_ETS_WILLING_SHIFT	7
+#define I40E_IEEE_ETS_WILLING_MASK	BIT(I40E_IEEE_ETS_WILLING_SHIFT)
+#define I40E_IEEE_ETS_PRIO_0_SHIFT	0
+#define I40E_IEEE_ETS_PRIO_0_MASK	(0x7 << I40E_IEEE_ETS_PRIO_0_SHIFT)
+#define I40E_IEEE_ETS_PRIO_1_SHIFT	4
+#define I40E_IEEE_ETS_PRIO_1_MASK	(0x7 << I40E_IEEE_ETS_PRIO_1_SHIFT)
+#define I40E_CEE_PGID_PRIO_0_SHIFT	0
+#define I40E_CEE_PGID_PRIO_0_MASK	(0xF << I40E_CEE_PGID_PRIO_0_SHIFT)
+#define I40E_CEE_PGID_PRIO_1_SHIFT	4
+#define I40E_CEE_PGID_PRIO_1_MASK	(0xF << I40E_CEE_PGID_PRIO_1_SHIFT)
+#define I40E_CEE_PGID_STRICT		15
+
+/* Defines for IEEE TSA types */
+#define I40E_IEEE_TSA_STRICT		0
+#define I40E_IEEE_TSA_CBS		1
+#define I40E_IEEE_TSA_ETS		2
+#define I40E_IEEE_TSA_VENDOR		255
+
+/* Defines for IEEE PFC TLV */
+#define I40E_IEEE_PFC_CAP_SHIFT		0
+#define I40E_IEEE_PFC_CAP_MASK		(0xF << I40E_IEEE_PFC_CAP_SHIFT)
+#define I40E_IEEE_PFC_MBC_SHIFT		6
+#define I40E_IEEE_PFC_MBC_MASK		BIT(I40E_IEEE_PFC_MBC_SHIFT)
+#define I40E_IEEE_PFC_WILLING_SHIFT	7
+#define I40E_IEEE_PFC_WILLING_MASK	BIT(I40E_IEEE_PFC_WILLING_SHIFT)
+
+/* Defines for IEEE APP TLV */
+#define I40E_IEEE_APP_SEL_SHIFT		0
+#define I40E_IEEE_APP_SEL_MASK		(0x7 << I40E_IEEE_APP_SEL_SHIFT)
+#define I40E_IEEE_APP_PRIO_SHIFT	5
+#define I40E_IEEE_APP_PRIO_MASK		(0x7 << I40E_IEEE_APP_PRIO_SHIFT)
+
+/* TLV definitions for preparing MIB */
+#define I40E_TLV_ID_CHASSIS_ID		0
+#define I40E_TLV_ID_PORT_ID		1
+#define I40E_TLV_ID_TIME_TO_LIVE	2
+#define I40E_IEEE_TLV_ID_ETS_CFG	3
+#define I40E_IEEE_TLV_ID_ETS_REC	4
+#define I40E_IEEE_TLV_ID_PFC_CFG	5
+#define I40E_IEEE_TLV_ID_APP_PRI	6
+#define I40E_TLV_ID_END_OF_LLDPPDU	7
+#define I40E_TLV_ID_START		I40E_IEEE_TLV_ID_ETS_CFG
+
+#define I40E_IEEE_ETS_TLV_LENGTH	25
+#define I40E_IEEE_PFC_TLV_LENGTH	6
+#define I40E_IEEE_APP_TLV_LENGTH	11
+
+#pragma pack(1)
+
+/* IEEE 802.1AB LLDP TLV structure */
+struct i40e_lldp_generic_tlv {
+	__be16 typelength;
+	u8 tlvinfo[1];
+};
+
+/* IEEE 802.1AB LLDP Organization specific TLV */
+struct i40e_lldp_org_tlv {
+	__be16 typelength;
+	__be32 ouisubtype;
+	u8 tlvinfo[1];
+};
+
+struct i40e_cee_tlv_hdr {
+	__be16 typelen;
+	u8 operver;
+	u8 maxver;
+};
+
+struct i40e_cee_ctrl_tlv {
+	struct i40e_cee_tlv_hdr hdr;
+	__be32 seqno;
+	__be32 ackno;
+};
+
+struct i40e_cee_feat_tlv {
+	struct i40e_cee_tlv_hdr hdr;
+	u8 en_will_err; /* Bits: |En|Will|Err|Reserved(5)| */
+#define I40E_CEE_FEAT_TLV_ENABLE_MASK	0x80
+#define I40E_CEE_FEAT_TLV_WILLING_MASK	0x40
+#define I40E_CEE_FEAT_TLV_ERR_MASK	0x20
+	u8 subtype;
+	u8 tlvinfo[1];
+};
+
+struct i40e_cee_app_prio {
+	__be16 protocol;
+	u8 upper_oui_sel; /* Bits: |Upper OUI(6)|Selector(2)| */
+#define I40E_CEE_APP_SELECTOR_MASK	0x03
+	__be16 lower_oui;
+	u8 prio_map;
+};
+#pragma pack()
+
+/*
+ * TODO: The below structures related LLDP/DCBX variables
+ * and statistics are defined but need to find how to get
+ * the required information from the Firmware to use them
+ */
+
+/* IEEE 802.1AB LLDP Agent Statistics */
+struct i40e_lldp_stats {
+	u64 remtablelastchangetime;
+	u64 remtableinserts;
+	u64 remtabledeletes;
+	u64 remtabledrops;
+	u64 remtableageouts;
+	u64 txframestotal;
+	u64 rxframesdiscarded;
+	u64 rxportframeerrors;
+	u64 rxportframestotal;
+	u64 rxporttlvsdiscardedtotal;
+	u64 rxporttlvsunrecognizedtotal;
+	u64 remtoomanyneighbors;
+};
+
+/* IEEE 802.1Qaz DCBX variables */
+struct i40e_dcbx_variables {
+	u32 defmaxtrafficclasses;
+	u32 defprioritytcmapping;
+	u32 deftcbandwidth;
+	u32 deftsaassignment;
+};
+
+enum i40e_status_code i40e_get_dcbx_status(struct i40e_hw *hw,
+					   u16 *status);
+enum i40e_status_code i40e_lldp_to_dcb_config(u8 *lldpmib,
+					      struct i40e_dcbx_config *dcbcfg);
+enum i40e_status_code i40e_aq_get_dcb_config(struct i40e_hw *hw, u8 mib_type,
+					     u8 bridgetype,
+					     struct i40e_dcbx_config *dcbcfg);
+enum i40e_status_code i40e_get_dcb_config(struct i40e_hw *hw);
+enum i40e_status_code i40e_init_dcb(struct i40e_hw *hw);
+enum i40e_status_code i40e_set_dcb_config(struct i40e_hw *hw);
+enum i40e_status_code i40e_dcb_config_to_lldp(u8 *lldpmib, u16 *miblen,
+					      struct i40e_dcbx_config *dcbcfg);
+
+#endif /* _I40E_DCB_H_ */