[PATCH] libibmad: Support for Mellanox vendor specific ExtendedPortInfo SM class MAD

[Hal Rosenstock <hal-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>]

for FDR10 operation

Signed-off-by: Hal Rosenstock <hal-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
---
diff --git a/include/infiniband/mad.h b/include/infiniband/mad.h
index f00bf7a..8175704 100644
--- a/include/infiniband/mad.h
+++ b/include/infiniband/mad.h
@@ -141,7 +141,9 @@ enum SMI_ATTR_ID {
 	IB_ATTR_VENDORMADSTBL = 0x1d,
 	IB_ATTR_SMINFO = 0x20,
 
-	IB_ATTR_LAST
+	IB_ATTR_LAST,
+
+	IB_ATTR_MLNX_EXT_PORT_INFO = 0xff90,
 };
 
 enum SA_ATTR_ID {
@@ -805,6 +807,15 @@ enum MAD_FIELDS {
 	IB_PESC_FEC_UNCORR_BLOCK_CTR_LANE11_F,
 	IB_PESC_LAST_F,
 
+	/*
+	 * Mellanox ExtendedPortInfo
+	 */
+	IB_MLNX_EXT_PORT_STATE_CHG_ENABLE_F,
+	IB_MLNX_EXT_PORT_LINK_SPEED_SUPPORTED_F,
+	IB_MLNX_EXT_PORT_LINK_SPEED_ENABLED_F,
+	IB_MLNX_EXT_PORT_LINK_SPEED_ACTIVE_F,
+	IB_MLNX_EXT_PORT_LAST_F,
+
 	IB_FIELD_LAST_		/* must be last */
 };
 
@@ -1137,7 +1148,8 @@ MAD_EXPORT ib_mad_dump_fn
     mad_dump_switchinfo, mad_dump_perfcounters, mad_dump_perfcounters_ext,
     mad_dump_perfcounters_xmt_sl, mad_dump_perfcounters_rcv_sl,
     mad_dump_perfcounters_xmt_disc, mad_dump_perfcounters_rcv_err,
-    mad_dump_portsamples_control, mad_dump_port_ext_speeds_counters;
+    mad_dump_portsamples_control, mad_dump_port_ext_speeds_counters,
+    mad_dump_mlnx_ext_port_info;
 
 MAD_EXPORT void mad_dump_fields(char *buf, int bufsz, void *val, int valsz,
 				int start, int end);
diff --git a/src/dump.c b/src/dump.c
index 4b4279d..76987ff 100644
--- a/src/dump.c
+++ b/src/dump.c
@@ -836,6 +836,12 @@ void mad_dump_port_ext_speeds_counters(char *buf, int bufsz, void *val, int vals
 	_dump_fields(buf, bufsz, val, IB_PESC_PORT_SELECT_F, IB_PESC_LAST_F);
 }
 
+void mad_dump_mlnx_ext_port_info(char *buf, int bufsz, void *val, int valsz)
+{
+	_dump_fields(buf, bufsz, val, IB_MLNX_EXT_PORT_STATE_CHG_ENABLE_F,
+		     IB_MLNX_EXT_PORT_LAST_F);
+}
+
 void xdump(FILE * file, char *msg, void *p, int size)
 {
 #define HEX(x)  ((x) < 10 ? '0' + (x) : 'a' + ((x) -10))
diff --git a/src/fields.c b/src/fields.c
index 8039882..665797b 100644
--- a/src/fields.c
+++ b/src/fields.c
@@ -578,6 +578,12 @@ static const ib_field_t ib_mad_f[] = {
 	{992, 32, "FECUncorrectableBlockCtrLane11", mad_dump_uint},
 	{0, 0},			/* IB_PESC_LAST_F */
 
+	{BITSOFFS(24, 8), "StateChangeEnable", mad_dump_hex},
+	{BITSOFFS(56, 8), "LinkSpeedSupported", mad_dump_hex},
+	{BITSOFFS(88, 8), "LinkSpeedEnabled", mad_dump_hex},
+	{BITSOFFS(120, 8), "LinkSpeedActive", mad_dump_hex},
+	{0, 0},			/* IB_MLNX_EXT_PORT_LAST_F */
+
 	{0, 0}			/* IB_FIELD_LAST_ */
 
 };
diff --git a/src/libibmad.map b/src/libibmad.map
index 457ec86..ebeaf48 100644
--- a/src/libibmad.map
+++ b/src/libibmad.map
@@ -116,5 +116,6 @@ IBMAD_1.3 {
 		mad_field_name;
 		bm_call_via;
 		mad_dump_port_ext_speeds_counters;
+		mad_dump_mlnx_ext_port_info;
 	local: *;
 };
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