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-rw-r--r--src/include/gpxe/ib_mad.h207
1 files changed, 115 insertions, 92 deletions
diff --git a/src/include/gpxe/ib_mad.h b/src/include/gpxe/ib_mad.h
index dbaf09a2..6c4e95b7 100644
--- a/src/include/gpxe/ib_mad.h
+++ b/src/include/gpxe/ib_mad.h
@@ -10,83 +10,24 @@
#include <stdint.h>
#include <gpxe/ib_packet.h>
-/** A management datagram common header
+/*****************************************************************************
*
- * Defined in section 13.4.2 of the IBA.
- */
-struct ib_mad_hdr {
- uint8_t base_version;
- uint8_t mgmt_class;
- uint8_t class_version;
- uint8_t method;
- uint16_t status;
- uint16_t class_specific;
- uint32_t tid[2];
- uint16_t attr_id;
- uint8_t reserved[2];
- uint32_t attr_mod;
-} __attribute__ (( packed ));
-
-/* Management base version */
-#define IB_MGMT_BASE_VERSION 1
-
-/* Management classes */
-#define IB_MGMT_CLASS_SUBN_LID_ROUTED 0x01
-#define IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE 0x81
-#define IB_MGMT_CLASS_SUBN_ADM 0x03
-#define IB_MGMT_CLASS_PERF_MGMT 0x04
-#define IB_MGMT_CLASS_BM 0x05
-#define IB_MGMT_CLASS_DEVICE_MGMT 0x06
-#define IB_MGMT_CLASS_CM 0x07
-#define IB_MGMT_CLASS_SNMP 0x08
-#define IB_MGMT_CLASS_VENDOR_RANGE2_START 0x30
-#define IB_MGMT_CLASS_VENDOR_RANGE2_END 0x4F
-
-/* Management methods */
-#define IB_MGMT_METHOD_GET 0x01
-#define IB_MGMT_METHOD_SET 0x02
-#define IB_MGMT_METHOD_GET_RESP 0x81
-#define IB_MGMT_METHOD_SEND 0x03
-#define IB_MGMT_METHOD_TRAP 0x05
-#define IB_MGMT_METHOD_REPORT 0x06
-#define IB_MGMT_METHOD_REPORT_RESP 0x86
-#define IB_MGMT_METHOD_TRAP_REPRESS 0x07
-#define IB_MGMT_METHOD_DELETE 0x15
-
-/* Status codes */
-#define IB_MGMT_STATUS_OK 0x0000
-#define IB_MGMT_STATUS_BAD_VERSION 0x0001
-#define IB_MGMT_STATUS_UNSUPPORTED_METHOD 0x0002
-#define IB_MGMT_STATUS_UNSUPPORTED_METHOD_ATTR 0x0003
-#define IB_MGMT_STATUS_INVALID_VALUE 0x0004
-
-/** A LID routed SMP header
+ * Subnet management MADs
*
- * Defined in section 14.2.1.1 of the IBA.
+ *****************************************************************************
*/
-struct ib_smp_lr_hdr {
- uint64_t mkey;
- uint8_t reserved[32];
-} __attribute__ (( packed ));
-/** A directed route SMP header
+/** A subnet management header
*
- * Defined in section 14.2.1.2 of the IBA.
+ * Defined in sections 14.2.1.1 and 14.2.1.2 of the IBA.
*/
-struct ib_smp_dr_hdr {
+struct ib_smp_hdr {
uint64_t mkey;
uint16_t slid;
uint16_t dlid;
uint8_t reserved[28];
} __attribute__ (( packed ));
-/** A subnet management header */
-union ib_smp_hdr {
- uint64_t mkey;
- struct ib_smp_lr_hdr lr;
- struct ib_smp_dr_hdr dr;
-} __attribute__ (( packed ));
-
/** Subnet management class version */
#define IB_SMP_CLASS_VERSION 1
@@ -242,17 +183,24 @@ union ib_smp_data {
/** A subnet management directed route path */
struct ib_smp_dr_path {
- uint8_t reserved;
- uint8_t hops[63];
+ uint8_t hops[64];
} __attribute__ (( packed ));
-/** A subnet management MAD */
-struct ib_mad_smp {
- struct ib_mad_hdr mad_hdr;
- union ib_smp_hdr smp_hdr;
- union ib_smp_data smp_data;
- struct ib_smp_dr_path initial_path;
- struct ib_smp_dr_path return_path;
+/** Subnet management MAD class-specific data */
+struct ib_smp_class_specific {
+ uint8_t hop_pointer;
+ uint8_t hop_count;
+} __attribute__ (( packed ));
+
+/*****************************************************************************
+ *
+ * Subnet administration MADs
+ *
+ *****************************************************************************
+ */
+
+struct ib_rmpp_hdr {
+ uint32_t raw[3];
} __attribute__ (( packed ));
struct ib_sa_hdr {
@@ -262,14 +210,10 @@ struct ib_sa_hdr {
uint32_t comp_mask[2];
} __attribute__ (( packed ));
-struct ib_rmpp_hdr {
- uint32_t raw[3];
-} __attribute__ (( packed ));
+#define IB_SA_ATTR_MC_MEMBER_REC 0x38
+#define IB_SA_ATTR_PATH_REC 0x35
-struct ib_mad_path_record {
- struct ib_mad_hdr mad_hdr;
- struct ib_rmpp_hdr rmpp_hdr;
- struct ib_sa_hdr sa_hdr;
+struct ib_path_record {
uint32_t reserved0[2];
struct ib_gid dgid;
struct ib_gid sgid;
@@ -285,10 +229,10 @@ struct ib_mad_path_record {
uint32_t reserved2[35];
} __attribute__ (( packed ));
-struct ib_mad_mc_member_record {
- struct ib_mad_hdr mad_hdr;
- struct ib_rmpp_hdr rmpp_hdr;
- struct ib_sa_hdr sa_hdr;
+#define IB_SA_PATH_REC_DGID (1<<2)
+#define IB_SA_PATH_REC_SGID (1<<3)
+
+struct ib_mc_member_record {
struct ib_gid mgid;
struct ib_gid port_gid;
uint32_t qkey;
@@ -305,9 +249,6 @@ struct ib_mad_mc_member_record {
uint32_t reserved1[37];
} __attribute__ (( packed ));
-#define IB_SA_ATTR_MC_MEMBER_REC 0x38
-#define IB_SA_ATTR_PATH_REC 0x35
-
#define IB_SA_MCMEMBER_REC_MGID (1<<0)
#define IB_SA_MCMEMBER_REC_PORT_GID (1<<1)
#define IB_SA_MCMEMBER_REC_QKEY (1<<2)
@@ -327,14 +268,96 @@ struct ib_mad_mc_member_record {
#define IB_SA_MCMEMBER_REC_JOIN_STATE (1<<16)
#define IB_SA_MCMEMBER_REC_PROXY_JOIN (1<<17)
-#define IB_SA_PATH_REC_DGID (1<<2)
-#define IB_SA_PATH_REC_SGID (1<<3)
+union ib_sa_data {
+ struct ib_path_record path_record;
+ struct ib_mc_member_record mc_member_record;
+} __attribute__ (( packed ));
+
+/*****************************************************************************
+ *
+ * MADs
+ *
+ *****************************************************************************
+ */
+
+/** Management datagram class_specific data */
+union ib_mad_class_specific {
+ uint16_t raw;
+ struct ib_smp_class_specific smp;
+} __attribute__ (( packed ));
+
+/** A management datagram common header
+ *
+ * Defined in section 13.4.2 of the IBA.
+ */
+struct ib_mad_hdr {
+ uint8_t base_version;
+ uint8_t mgmt_class;
+ uint8_t class_version;
+ uint8_t method;
+ uint16_t status;
+ union ib_mad_class_specific class_specific;
+ uint32_t tid[2];
+ uint16_t attr_id;
+ uint8_t reserved[2];
+ uint32_t attr_mod;
+} __attribute__ (( packed ));
+
+/* Management base version */
+#define IB_MGMT_BASE_VERSION 1
+
+/* Management classes */
+#define IB_MGMT_CLASS_SUBN_LID_ROUTED 0x01
+#define IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE 0x81
+#define IB_MGMT_CLASS_SUBN_ADM 0x03
+#define IB_MGMT_CLASS_PERF_MGMT 0x04
+#define IB_MGMT_CLASS_BM 0x05
+#define IB_MGMT_CLASS_DEVICE_MGMT 0x06
+#define IB_MGMT_CLASS_CM 0x07
+#define IB_MGMT_CLASS_SNMP 0x08
+#define IB_MGMT_CLASS_VENDOR_RANGE2_START 0x30
+#define IB_MGMT_CLASS_VENDOR_RANGE2_END 0x4F
+
+/* Management methods */
+#define IB_MGMT_METHOD_GET 0x01
+#define IB_MGMT_METHOD_SET 0x02
+#define IB_MGMT_METHOD_GET_RESP 0x81
+#define IB_MGMT_METHOD_SEND 0x03
+#define IB_MGMT_METHOD_TRAP 0x05
+#define IB_MGMT_METHOD_REPORT 0x06
+#define IB_MGMT_METHOD_REPORT_RESP 0x86
+#define IB_MGMT_METHOD_TRAP_REPRESS 0x07
+#define IB_MGMT_METHOD_DELETE 0x15
+
+/* Status codes */
+#define IB_MGMT_STATUS_OK 0x0000
+#define IB_MGMT_STATUS_BAD_VERSION 0x0001
+#define IB_MGMT_STATUS_UNSUPPORTED_METHOD 0x0002
+#define IB_MGMT_STATUS_UNSUPPORTED_METHOD_ATTR 0x0003
+#define IB_MGMT_STATUS_INVALID_VALUE 0x0004
+
+/** A subnet management MAD */
+struct ib_mad_smp {
+ struct ib_mad_hdr mad_hdr;
+ struct ib_smp_hdr smp_hdr;
+ union ib_smp_data smp_data;
+ struct ib_smp_dr_path initial_path;
+ struct ib_smp_dr_path return_path;
+} __attribute__ (( packed ));
+
+/** A subnet administration MAD */
+struct ib_mad_sa {
+ struct ib_mad_hdr mad_hdr;
+ struct ib_rmpp_hdr rmpp_hdr;
+ struct ib_sa_hdr sa_hdr;
+ union ib_sa_data sa_data;
+} __attribute__ (( packed ));
+/** A management datagram */
union ib_mad {
struct ib_mad_hdr hdr;
struct ib_mad_smp smp;
- struct ib_mad_path_record path_record;
- struct ib_mad_mc_member_record mc_member_record;
+ struct ib_mad_sa sa;
uint8_t bytes[256];
} __attribute__ (( packed ));