3 files changed, 243 insertions, 0 deletions

diff --git a/include/linux/dcbnl.h b/include/linux/dcbnl.h
new file mode 100644
index 000000000000..32d32c1ee410
--- /dev/null
+++ b/include/linux/dcbnl.h
@@ -0,0 +1,230 @@
+/*
+ * Copyright (c) 2008, Intel Corporation.
+ *
+ * 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.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
+ * Place - Suite 330, Boston, MA 02111-1307 USA.
+ *
+ * Author: Lucy Liu <lucy.liu@intel.com>
+ */
+
+#ifndef __LINUX_DCBNL_H__
+#define __LINUX_DCBNL_H__
+
+#define DCB_PROTO_VERSION 1
+
+struct dcbmsg {
+        unsigned char      dcb_family;
+        __u8               cmd;
+        __u16              dcb_pad;
+};
+
+/**
+ * enum dcbnl_commands - supported DCB commands
+ *
+ * @DCB_CMD_UNDEFINED: unspecified command to catch errors
+ * @DCB_CMD_GSTATE: request the state of DCB in the device
+ * @DCB_CMD_SSTATE: set the state of DCB in the device
+ * @DCB_CMD_PGTX_GCFG: request the priority group configuration for Tx
+ * @DCB_CMD_PGTX_SCFG: set the priority group configuration for Tx
+ * @DCB_CMD_PGRX_GCFG: request the priority group configuration for Rx
+ * @DCB_CMD_PGRX_SCFG: set the priority group configuration for Rx
+ * @DCB_CMD_PFC_GCFG: request the priority flow control configuration
+ * @DCB_CMD_PFC_SCFG: set the priority flow control configuration
+ * @DCB_CMD_SET_ALL: apply all changes to the underlying device
+ * @DCB_CMD_GPERM_HWADDR: get the permanent MAC address of the underlying
+ *                        device.  Only useful when using bonding.
+ */
+enum dcbnl_commands {
+        DCB_CMD_UNDEFINED,
+
+        DCB_CMD_GSTATE,
+        DCB_CMD_SSTATE,
+
+        DCB_CMD_PGTX_GCFG,
+        DCB_CMD_PGTX_SCFG,
+        DCB_CMD_PGRX_GCFG,
+        DCB_CMD_PGRX_SCFG,
+
+        DCB_CMD_PFC_GCFG,
+        DCB_CMD_PFC_SCFG,
+
+        DCB_CMD_SET_ALL,
+        DCB_CMD_GPERM_HWADDR,
+
+        __DCB_CMD_ENUM_MAX,
+        DCB_CMD_MAX = __DCB_CMD_ENUM_MAX - 1,
+};
+
+
+/**
+ * enum dcbnl_attrs - DCB top-level netlink attributes
+ *
+ * @DCB_ATTR_UNDEFINED: unspecified attribute to catch errors
+ * @DCB_ATTR_IFNAME: interface name of the underlying device (NLA_STRING)
+ * @DCB_ATTR_STATE: enable state of DCB in the device (NLA_U8)
+ * @DCB_ATTR_PFC_STATE: enable state of PFC in the device (NLA_U8)
+ * @DCB_ATTR_PFC_CFG: priority flow control configuration (NLA_NESTED)
+ * @DCB_ATTR_NUM_TC: number of traffic classes supported in the device (NLA_U8)
+ * @DCB_ATTR_PG_CFG: priority group configuration (NLA_NESTED)
+ * @DCB_ATTR_SET_ALL: bool to commit changes to hardware or not (NLA_U8)
+ * @DCB_ATTR_PERM_HWADDR: MAC address of the physical device (NLA_NESTED)
+ */
+enum dcbnl_attrs {
+        DCB_ATTR_UNDEFINED,
+
+        DCB_ATTR_IFNAME,
+        DCB_ATTR_STATE,
+        DCB_ATTR_PFC_STATE,
+        DCB_ATTR_PFC_CFG,
+        DCB_ATTR_NUM_TC,
+        DCB_ATTR_PG_CFG,
+        DCB_ATTR_SET_ALL,
+        DCB_ATTR_PERM_HWADDR,
+
+        __DCB_ATTR_ENUM_MAX,
+        DCB_ATTR_MAX = __DCB_ATTR_ENUM_MAX - 1,
+};
+
+/**
+ * enum dcbnl_pfc_attrs - DCB Priority Flow Control user priority nested attrs
+ *
+ * @DCB_PFC_UP_ATTR_UNDEFINED: unspecified attribute to catch errors
+ * @DCB_PFC_UP_ATTR_0: Priority Flow Control value for User Priority 0 (NLA_U8)
+ * @DCB_PFC_UP_ATTR_1: Priority Flow Control value for User Priority 1 (NLA_U8)
+ * @DCB_PFC_UP_ATTR_2: Priority Flow Control value for User Priority 2 (NLA_U8)
+ * @DCB_PFC_UP_ATTR_3: Priority Flow Control value for User Priority 3 (NLA_U8)
+ * @DCB_PFC_UP_ATTR_4: Priority Flow Control value for User Priority 4 (NLA_U8)
+ * @DCB_PFC_UP_ATTR_5: Priority Flow Control value for User Priority 5 (NLA_U8)
+ * @DCB_PFC_UP_ATTR_6: Priority Flow Control value for User Priority 6 (NLA_U8)
+ * @DCB_PFC_UP_ATTR_7: Priority Flow Control value for User Priority 7 (NLA_U8)
+ * @DCB_PFC_UP_ATTR_MAX: highest attribute number currently defined
+ * @DCB_PFC_UP_ATTR_ALL: apply to all priority flow control attrs (NLA_FLAG)
+ *
+ */
+enum dcbnl_pfc_up_attrs {
+        DCB_PFC_UP_ATTR_UNDEFINED,
+
+        DCB_PFC_UP_ATTR_0,
+        DCB_PFC_UP_ATTR_1,
+        DCB_PFC_UP_ATTR_2,
+        DCB_PFC_UP_ATTR_3,
+        DCB_PFC_UP_ATTR_4,
+        DCB_PFC_UP_ATTR_5,
+        DCB_PFC_UP_ATTR_6,
+        DCB_PFC_UP_ATTR_7,
+        DCB_PFC_UP_ATTR_ALL,
+
+        __DCB_PFC_UP_ATTR_ENUM_MAX,
+        DCB_PFC_UP_ATTR_MAX = __DCB_PFC_UP_ATTR_ENUM_MAX - 1,
+};
+
+/**
+ * enum dcbnl_pg_attrs - DCB Priority Group attributes
+ *
+ * @DCB_PG_ATTR_UNDEFINED: unspecified attribute to catch errors
+ * @DCB_PG_ATTR_TC_0: Priority Group Traffic Class 0 configuration (NLA_NESTED)
+ * @DCB_PG_ATTR_TC_1: Priority Group Traffic Class 1 configuration (NLA_NESTED)
+ * @DCB_PG_ATTR_TC_2: Priority Group Traffic Class 2 configuration (NLA_NESTED)
+ * @DCB_PG_ATTR_TC_3: Priority Group Traffic Class 3 configuration (NLA_NESTED)
+ * @DCB_PG_ATTR_TC_4: Priority Group Traffic Class 4 configuration (NLA_NESTED)
+ * @DCB_PG_ATTR_TC_5: Priority Group Traffic Class 5 configuration (NLA_NESTED)
+ * @DCB_PG_ATTR_TC_6: Priority Group Traffic Class 6 configuration (NLA_NESTED)
+ * @DCB_PG_ATTR_TC_7: Priority Group Traffic Class 7 configuration (NLA_NESTED)
+ * @DCB_PG_ATTR_TC_MAX: highest attribute number currently defined
+ * @DCB_PG_ATTR_TC_ALL: apply to all traffic classes (NLA_NESTED)
+ * @DCB_PG_ATTR_BW_ID_0: Percent of link bandwidth for Priority Group 0 (NLA_U8)
+ * @DCB_PG_ATTR_BW_ID_1: Percent of link bandwidth for Priority Group 1 (NLA_U8)
+ * @DCB_PG_ATTR_BW_ID_2: Percent of link bandwidth for Priority Group 2 (NLA_U8)
+ * @DCB_PG_ATTR_BW_ID_3: Percent of link bandwidth for Priority Group 3 (NLA_U8)
+ * @DCB_PG_ATTR_BW_ID_4: Percent of link bandwidth for Priority Group 4 (NLA_U8)
+ * @DCB_PG_ATTR_BW_ID_5: Percent of link bandwidth for Priority Group 5 (NLA_U8)
+ * @DCB_PG_ATTR_BW_ID_6: Percent of link bandwidth for Priority Group 6 (NLA_U8)
+ * @DCB_PG_ATTR_BW_ID_7: Percent of link bandwidth for Priority Group 7 (NLA_U8)
+ * @DCB_PG_ATTR_BW_ID_MAX: highest attribute number currently defined
+ * @DCB_PG_ATTR_BW_ID_ALL: apply to all priority groups (NLA_FLAG)
+ *
+ */
+enum dcbnl_pg_attrs {
+        DCB_PG_ATTR_UNDEFINED,
+
+        DCB_PG_ATTR_TC_0,
+        DCB_PG_ATTR_TC_1,
+        DCB_PG_ATTR_TC_2,
+        DCB_PG_ATTR_TC_3,
+        DCB_PG_ATTR_TC_4,
+        DCB_PG_ATTR_TC_5,
+        DCB_PG_ATTR_TC_6,
+        DCB_PG_ATTR_TC_7,
+        DCB_PG_ATTR_TC_MAX,
+        DCB_PG_ATTR_TC_ALL,
+
+        DCB_PG_ATTR_BW_ID_0,
+        DCB_PG_ATTR_BW_ID_1,
+        DCB_PG_ATTR_BW_ID_2,
+        DCB_PG_ATTR_BW_ID_3,
+        DCB_PG_ATTR_BW_ID_4,
+        DCB_PG_ATTR_BW_ID_5,
+        DCB_PG_ATTR_BW_ID_6,
+        DCB_PG_ATTR_BW_ID_7,
+        DCB_PG_ATTR_BW_ID_MAX,
+        DCB_PG_ATTR_BW_ID_ALL,
+
+        __DCB_PG_ATTR_ENUM_MAX,
+        DCB_PG_ATTR_MAX = __DCB_PG_ATTR_ENUM_MAX - 1,
+};
+
+/**
+ * enum dcbnl_tc_attrs - DCB Traffic Class attributes
+ *
+ * @DCB_TC_ATTR_PARAM_UNDEFINED: unspecified attribute to catch errors
+ * @DCB_TC_ATTR_PARAM_PGID: (NLA_U8) Priority group the traffic class belongs to
+ *                          Valid values are:  0-7
+ * @DCB_TC_ATTR_PARAM_UP_MAPPING: (NLA_U8) Traffic class to user priority map
+ *                                Some devices may not support changing the
+ *                                user priority map of a TC.
+ * @DCB_TC_ATTR_PARAM_STRICT_PRIO: (NLA_U8) Strict priority setting
+ *                                 0 - none
+ *                                 1 - group strict
+ *                                 2 - link strict
+ * @DCB_TC_ATTR_PARAM_BW_PCT: optional - (NLA_U8) If supported by the device and
+ *                            not configured to use link strict priority,
+ *                            this is the percentage of bandwidth of the
+ *                            priority group this traffic class belongs to
+ * @DCB_TC_ATTR_PARAM_ALL: (NLA_FLAG) all traffic class parameters
+ *
+ */
+enum dcbnl_tc_attrs {
+        DCB_TC_ATTR_PARAM_UNDEFINED,
+
+        DCB_TC_ATTR_PARAM_PGID,
+        DCB_TC_ATTR_PARAM_UP_MAPPING,
+        DCB_TC_ATTR_PARAM_STRICT_PRIO,
+        DCB_TC_ATTR_PARAM_BW_PCT,
+        DCB_TC_ATTR_PARAM_ALL,
+
+        __DCB_TC_ATTR_PARAM_ENUM_MAX,
+        DCB_TC_ATTR_PARAM_MAX = __DCB_TC_ATTR_PARAM_ENUM_MAX - 1,
+};
+
+/**
+ * enum dcb_general_attr_values - general DCB attribute values
+ *
+ * @DCB_ATTR_UNDEFINED: value used to indicate an attribute is not supported
+ *
+ */
+enum dcb_general_attr_values {
+        DCB_ATTR_VALUE_UNDEFINED = 0xff
+};
+
+
+#endif /* __LINUX_DCBNL_H__ */
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index d8fb23679ee3..6095af572dfd 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -43,6 +43,9 @@
 
 #include <net/net_namespace.h>
 #include <net/dsa.h>
+#ifdef CONFIG_DCBNL
+#include <net/dcbnl.h>
+#endif
 
 struct vlan_group;
 struct ethtool_ops;
@@ -843,6 +846,11 @@ struct net_device
 #define GSO_MAX_SIZE            65536
         unsigned int            gso_max_size;
 
+#ifdef CONFIG_DCBNL
+        /* Data Center Bridging netlink ops */
+        struct dcbnl_rtnl_ops *dcbnl_ops;
+#endif
+
 #ifdef CONFIG_COMPAT_NET_DEV_OPS
         struct {
                 int                     (*init)(struct net_device *dev);
diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h
index 2b3d51c6ec9c..e88f7058b3a1 100644
--- a/include/linux/rtnetlink.h
+++ b/include/linux/rtnetlink.h
@@ -107,6 +107,11 @@ enum {
         RTM_GETADDRLABEL,
 #define RTM_GETADDRLABEL RTM_GETADDRLABEL
 
+        RTM_GETDCB = 78,
+#define RTM_GETDCB RTM_GETDCB
+        RTM_SETDCB,
+#define RTM_SETDCB RTM_SETDCB
+
         __RTM_MAX,
 #define RTM_MAX         (((__RTM_MAX + 3) & ~3) - 1)
 };