Merge branch 'mpi-master' into wip-k-fmlpwip-k-fmlp

Conflicts:
	litmus/sched_cedf.c

1 files changed, 294 insertions, 1 deletions

diff --git a/include/linux/dcbnl.h b/include/linux/dcbnl.h
index 8723491f7dfd..c52280047e2c 100644
--- a/include/linux/dcbnl.h
+++ b/include/linux/dcbnl.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008, Intel Corporation.
+ * Copyright (c) 2008-2011, 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,
@@ -22,6 +22,152 @@
 
 #include <linux/types.h>
 
+/* IEEE 802.1Qaz std supported values */
+#define IEEE_8021QAZ_MAX_TCS    8
+
+#define IEEE_8021QAZ_TSA_STRICT         0
+#define IEEE_8021QAZ_TSA_CB_SHAPER      1
+#define IEEE_8021QAZ_TSA_ETS            2
+#define IEEE_8021QAZ_TSA_VENDOR         255
+
+/* This structure contains the IEEE 802.1Qaz ETS managed object
+ *
+ * @willing: willing bit in ETS configuration TLV
+ * @ets_cap: indicates supported capacity of ets feature
+ * @cbs: credit based shaper ets algorithm supported
+ * @tc_tx_bw: tc tx bandwidth indexed by traffic class
+ * @tc_rx_bw: tc rx bandwidth indexed by traffic class
+ * @tc_tsa: TSA Assignment table, indexed by traffic class
+ * @prio_tc: priority assignment table mapping 8021Qp to traffic class
+ * @tc_reco_bw: recommended tc bandwidth indexed by traffic class for TLV
+ * @tc_reco_tsa: recommended tc bandwidth indexed by traffic class for TLV
+ * @reco_prio_tc: recommended tc tx bandwidth indexed by traffic class for TLV
+ *
+ * Recommended values are used to set fields in the ETS recommendation TLV
+ * with hardware offloaded LLDP.
+ *
+ * ----
+ *  TSA Assignment 8 bit identifiers
+ *      0       strict priority
+ *      1       credit-based shaper
+ *      2       enhanced transmission selection
+ *      3-254   reserved
+ *      255     vendor specific
+ */
+struct ieee_ets {
+        __u8    willing;
+        __u8    ets_cap;
+        __u8    cbs;
+        __u8    tc_tx_bw[IEEE_8021QAZ_MAX_TCS];
+        __u8    tc_rx_bw[IEEE_8021QAZ_MAX_TCS];
+        __u8    tc_tsa[IEEE_8021QAZ_MAX_TCS];
+        __u8    prio_tc[IEEE_8021QAZ_MAX_TCS];
+        __u8    tc_reco_bw[IEEE_8021QAZ_MAX_TCS];
+        __u8    tc_reco_tsa[IEEE_8021QAZ_MAX_TCS];
+        __u8    reco_prio_tc[IEEE_8021QAZ_MAX_TCS];
+};
+
+/* This structure contains the IEEE 802.1Qaz PFC managed object
+ *
+ * @pfc_cap: Indicates the number of traffic classes on the local device
+ *           that may simultaneously have PFC enabled.
+ * @pfc_en: bitmap indicating pfc enabled traffic classes
+ * @mbc: enable macsec bypass capability
+ * @delay: the allowance made for a round-trip propagation delay of the
+ *         link in bits.
+ * @requests: count of the sent pfc frames
+ * @indications: count of the received pfc frames
+ */
+struct ieee_pfc {
+        __u8    pfc_cap;
+        __u8    pfc_en;
+        __u8    mbc;
+        __u16   delay;
+        __u64   requests[IEEE_8021QAZ_MAX_TCS];
+        __u64   indications[IEEE_8021QAZ_MAX_TCS];
+};
+
+/* CEE DCBX std supported values */
+#define CEE_DCBX_MAX_PGS        8
+#define CEE_DCBX_MAX_PRIO       8
+
+/**
+ * struct cee_pg - CEE Priority-Group managed object
+ *
+ * @willing: willing bit in the PG tlv
+ * @error: error bit in the PG tlv
+ * @pg_en: enable bit of the PG feature
+ * @tcs_supported: number of traffic classes supported
+ * @pg_bw: bandwidth percentage for each priority group
+ * @prio_pg: priority to PG mapping indexed by priority
+ */
+struct cee_pg {
+        __u8    willing;
+        __u8    error;
+        __u8    pg_en;
+        __u8    tcs_supported;
+        __u8    pg_bw[CEE_DCBX_MAX_PGS];
+        __u8    prio_pg[CEE_DCBX_MAX_PGS];
+};
+
+/**
+ * struct cee_pfc - CEE PFC managed object
+ *
+ * @willing: willing bit in the PFC tlv
+ * @error: error bit in the PFC tlv
+ * @pfc_en: bitmap indicating pfc enabled traffic classes
+ * @tcs_supported: number of traffic classes supported
+ */
+struct cee_pfc {
+        __u8    willing;
+        __u8    error;
+        __u8    pfc_en;
+        __u8    tcs_supported;
+};
+
+/* IEEE 802.1Qaz std supported values */
+#define IEEE_8021QAZ_APP_SEL_ETHERTYPE  1
+#define IEEE_8021QAZ_APP_SEL_STREAM     2
+#define IEEE_8021QAZ_APP_SEL_DGRAM      3
+#define IEEE_8021QAZ_APP_SEL_ANY        4
+
+/* This structure contains the IEEE 802.1Qaz APP managed object. This
+ * object is also used for the CEE std as well. There is no difference
+ * between the objects.
+ *
+ * @selector: protocol identifier type
+ * @protocol: protocol of type indicated
+ * @priority: 3-bit unsigned integer indicating priority
+ *
+ * ----
+ *  Selector field values
+ *      0       Reserved
+ *      1       Ethertype
+ *      2       Well known port number over TCP or SCTP
+ *      3       Well known port number over UDP or DCCP
+ *      4       Well known port number over TCP, SCTP, UDP, or DCCP
+ *      5-7     Reserved
+ */
+struct dcb_app {
+        __u8    selector;
+        __u8    priority;
+        __u16   protocol;
+};
+
+/**
+ * struct dcb_peer_app_info - APP feature information sent by the peer
+ *
+ * @willing: willing bit in the peer APP tlv
+ * @error: error bit in the peer APP tlv
+ *
+ * In addition to this information the full peer APP tlv also contains
+ * a table of 'app_count' APP objects defined above.
+ */
+struct dcb_peer_app_info {
+        __u8    willing;
+        __u8    error;
+};
+
 struct dcbmsg {
         __u8               dcb_family;
         __u8               cmd;
@@ -50,6 +196,13 @@ struct dcbmsg {
  * @DCB_CMD_SBCN: get backward congestion notification configration.
  * @DCB_CMD_GAPP: get application protocol configuration
  * @DCB_CMD_SAPP: set application protocol configuration
+ * @DCB_CMD_IEEE_SET: set IEEE 802.1Qaz configuration
+ * @DCB_CMD_IEEE_GET: get IEEE 802.1Qaz configuration
+ * @DCB_CMD_GDCBX: get DCBX engine configuration
+ * @DCB_CMD_SDCBX: set DCBX engine configuration
+ * @DCB_CMD_GFEATCFG: get DCBX features flags
+ * @DCB_CMD_SFEATCFG: set DCBX features negotiation flags
+ * @DCB_CMD_CEE_GET: get CEE aggregated configuration
  */
 enum dcbnl_commands {
         DCB_CMD_UNDEFINED,
@@ -83,6 +236,17 @@ enum dcbnl_commands {
         DCB_CMD_GAPP,
         DCB_CMD_SAPP,
 
+        DCB_CMD_IEEE_SET,
+        DCB_CMD_IEEE_GET,
+
+        DCB_CMD_GDCBX,
+        DCB_CMD_SDCBX,
+
+        DCB_CMD_GFEATCFG,
+        DCB_CMD_SFEATCFG,
+
+        DCB_CMD_CEE_GET,
+
         __DCB_CMD_ENUM_MAX,
         DCB_CMD_MAX = __DCB_CMD_ENUM_MAX - 1,
 };
@@ -102,6 +266,10 @@ enum dcbnl_commands {
  * @DCB_ATTR_CAP: DCB capabilities of the device (NLA_NESTED)
  * @DCB_ATTR_NUMTCS: number of traffic classes supported (NLA_NESTED)
  * @DCB_ATTR_BCN: backward congestion notification configuration (NLA_NESTED)
+ * @DCB_ATTR_IEEE: IEEE 802.1Qaz supported attributes (NLA_NESTED)
+ * @DCB_ATTR_DCBX: DCBX engine configuration in the device (NLA_U8)
+ * @DCB_ATTR_FEATCFG: DCBX features flags (NLA_NESTED)
+ * @DCB_ATTR_CEE: CEE std supported attributes (NLA_NESTED)
  */
 enum dcbnl_attrs {
         DCB_ATTR_UNDEFINED,
@@ -119,11 +287,75 @@ enum dcbnl_attrs {
         DCB_ATTR_BCN,
         DCB_ATTR_APP,
 
+        /* IEEE std attributes */
+        DCB_ATTR_IEEE,
+
+        DCB_ATTR_DCBX,
+        DCB_ATTR_FEATCFG,
+
+        /* CEE nested attributes */
+        DCB_ATTR_CEE,
+
         __DCB_ATTR_ENUM_MAX,
         DCB_ATTR_MAX = __DCB_ATTR_ENUM_MAX - 1,
 };
 
 /**
+ * enum ieee_attrs - IEEE 802.1Qaz get/set attributes
+ *
+ * @DCB_ATTR_IEEE_UNSPEC: unspecified
+ * @DCB_ATTR_IEEE_ETS: negotiated ETS configuration
+ * @DCB_ATTR_IEEE_PFC: negotiated PFC configuration
+ * @DCB_ATTR_IEEE_APP_TABLE: negotiated APP configuration
+ * @DCB_ATTR_IEEE_PEER_ETS: peer ETS configuration - get only
+ * @DCB_ATTR_IEEE_PEER_PFC: peer PFC configuration - get only
+ * @DCB_ATTR_IEEE_PEER_APP: peer APP tlv - get only
+ */
+enum ieee_attrs {
+        DCB_ATTR_IEEE_UNSPEC,
+        DCB_ATTR_IEEE_ETS,
+        DCB_ATTR_IEEE_PFC,
+        DCB_ATTR_IEEE_APP_TABLE,
+        DCB_ATTR_IEEE_PEER_ETS,
+        DCB_ATTR_IEEE_PEER_PFC,
+        DCB_ATTR_IEEE_PEER_APP,
+        __DCB_ATTR_IEEE_MAX
+};
+#define DCB_ATTR_IEEE_MAX (__DCB_ATTR_IEEE_MAX - 1)
+
+enum ieee_attrs_app {
+        DCB_ATTR_IEEE_APP_UNSPEC,
+        DCB_ATTR_IEEE_APP,
+        __DCB_ATTR_IEEE_APP_MAX
+};
+#define DCB_ATTR_IEEE_APP_MAX (__DCB_ATTR_IEEE_APP_MAX - 1)
+
+/**
+ * enum cee_attrs - CEE DCBX get attributes
+ *
+ * @DCB_ATTR_CEE_UNSPEC: unspecified
+ * @DCB_ATTR_CEE_PEER_PG: peer PG configuration - get only
+ * @DCB_ATTR_CEE_PEER_PFC: peer PFC configuration - get only
+ * @DCB_ATTR_CEE_PEER_APP: peer APP tlv - get only
+ */
+enum cee_attrs {
+        DCB_ATTR_CEE_UNSPEC,
+        DCB_ATTR_CEE_PEER_PG,
+        DCB_ATTR_CEE_PEER_PFC,
+        DCB_ATTR_CEE_PEER_APP_TABLE,
+        __DCB_ATTR_CEE_MAX
+};
+#define DCB_ATTR_CEE_MAX (__DCB_ATTR_CEE_MAX - 1)
+
+enum peer_app_attr {
+        DCB_ATTR_CEE_PEER_APP_UNSPEC,
+        DCB_ATTR_CEE_PEER_APP_INFO,
+        DCB_ATTR_CEE_PEER_APP,
+        __DCB_ATTR_CEE_PEER_APP_MAX
+};
+#define DCB_ATTR_CEE_PEER_APP_MAX (__DCB_ATTR_CEE_PEER_APP_MAX - 1)
+
+/**
  * enum dcbnl_pfc_attrs - DCB Priority Flow Control user priority nested attrs
  *
  * @DCB_PFC_UP_ATTR_UNDEFINED: unspecified attribute to catch errors
@@ -262,6 +494,8 @@ enum dcbnl_tc_attrs {
  * @DCB_CAP_ATTR_GSP: (NLA_U8) device supports group strict priority
  * @DCB_CAP_ATTR_BCN: (NLA_U8) device supports Backwards Congestion
  *                             Notification
+ * @DCB_CAP_ATTR_DCBX: (NLA_U8) device supports DCBX engine
+ *
  */
 enum dcbnl_cap_attrs {
         DCB_CAP_ATTR_UNDEFINED,
@@ -273,12 +507,45 @@ enum dcbnl_cap_attrs {
         DCB_CAP_ATTR_PFC_TCS,
         DCB_CAP_ATTR_GSP,
         DCB_CAP_ATTR_BCN,
+        DCB_CAP_ATTR_DCBX,
 
         __DCB_CAP_ATTR_ENUM_MAX,
         DCB_CAP_ATTR_MAX = __DCB_CAP_ATTR_ENUM_MAX - 1,
 };
 
 /**
+ * DCBX capability flags
+ *
+ * @DCB_CAP_DCBX_HOST: DCBX negotiation is performed by the host LLDP agent.
+ *                     'set' routines are used to configure the device with
+ *                     the negotiated parameters
+ *
+ * @DCB_CAP_DCBX_LLD_MANAGED: DCBX negotiation is not performed in the host but
+ *                            by another entity
+ *                            'get' routines are used to retrieve the
+ *                            negotiated parameters
+ *                            'set' routines can be used to set the initial
+ *                            negotiation configuration
+ *
+ * @DCB_CAP_DCBX_VER_CEE: for a non-host DCBX engine, indicates the engine
+ *                        supports the CEE protocol flavor
+ *
+ * @DCB_CAP_DCBX_VER_IEEE: for a non-host DCBX engine, indicates the engine
+ *                         supports the IEEE protocol flavor
+ *
+ * @DCB_CAP_DCBX_STATIC: for a non-host DCBX engine, indicates the engine
+ *                       supports static configuration (i.e no actual
+ *                       negotiation is performed negotiated parameters equal
+ *                       the initial configuration)
+ *
+ */
+#define DCB_CAP_DCBX_HOST               0x01
+#define DCB_CAP_DCBX_LLD_MANAGED        0x02
+#define DCB_CAP_DCBX_VER_CEE            0x04
+#define DCB_CAP_DCBX_VER_IEEE           0x08
+#define DCB_CAP_DCBX_STATIC             0x10
+
+/**
  * enum dcbnl_numtcs_attrs - number of traffic classes
  *
  * @DCB_NUMTCS_ATTR_UNDEFINED: unspecified attribute to catch errors
@@ -355,4 +622,30 @@ enum dcbnl_app_attrs {
         DCB_APP_ATTR_MAX = __DCB_APP_ATTR_ENUM_MAX - 1,
 };
 
+/**
+ * enum dcbnl_featcfg_attrs - features conifiguration flags
+ *
+ * @DCB_FEATCFG_ATTR_UNDEFINED: unspecified attribute to catch errors
+ * @DCB_FEATCFG_ATTR_ALL: (NLA_FLAG) all features configuration attributes
+ * @DCB_FEATCFG_ATTR_PG: (NLA_U8) configuration flags for priority groups
+ * @DCB_FEATCFG_ATTR_PFC: (NLA_U8) configuration flags for priority
+ *                                 flow control
+ * @DCB_FEATCFG_ATTR_APP: (NLA_U8) configuration flags for application TLV
+ *
+ */
+#define DCB_FEATCFG_ERROR       0x01    /* error in feature resolution */
+#define DCB_FEATCFG_ENABLE      0x02    /* enable feature */
+#define DCB_FEATCFG_WILLING     0x04    /* feature is willing */
+#define DCB_FEATCFG_ADVERTISE   0x08    /* advertise feature */
+enum dcbnl_featcfg_attrs {
+        DCB_FEATCFG_ATTR_UNDEFINED,
+        DCB_FEATCFG_ATTR_ALL,
+        DCB_FEATCFG_ATTR_PG,
+        DCB_FEATCFG_ATTR_PFC,
+        DCB_FEATCFG_ATTR_APP,
+
+        __DCB_FEATCFG_ATTR_ENUM_MAX,
+        DCB_FEATCFG_ATTR_MAX = __DCB_FEATCFG_ATTR_ENUM_MAX - 1,
+};
+
 #endif /* __LINUX_DCBNL_H__ */