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-rw-r--r--include/rdma/ib_mad.h60
1 files changed, 58 insertions, 2 deletions
diff --git a/include/rdma/ib_mad.h b/include/rdma/ib_mad.h
index 37dd534cbeab..c8a773ffe23b 100644
--- a/include/rdma/ib_mad.h
+++ b/include/rdma/ib_mad.h
@@ -239,12 +239,15 @@ struct ib_vendor_mad {
#define IB_MGMT_CLASSPORTINFO_ATTR_ID cpu_to_be16(0x0001)
+#define IB_CLASS_PORT_INFO_RESP_TIME_MASK 0x1F
+#define IB_CLASS_PORT_INFO_RESP_TIME_FIELD_SIZE 5
+
struct ib_class_port_info {
u8 base_version;
u8 class_version;
__be16 capability_mask;
- u8 reserved[3];
- u8 resp_time_value;
+ /* 27 bits for cap_mask2, 5 bits for resp_time */
+ __be32 cap_mask2_resp_time;
u8 redirect_gid[16];
__be32 redirect_tcslfl;
__be16 redirect_lid;
@@ -259,6 +262,59 @@ struct ib_class_port_info {
__be32 trap_qkey;
};
+/**
+ * ib_get_cpi_resp_time - Returns the resp_time value from
+ * cap_mask2_resp_time in ib_class_port_info.
+ * @cpi: A struct ib_class_port_info mad.
+ */
+static inline u8 ib_get_cpi_resp_time(struct ib_class_port_info *cpi)
+{
+ return (u8)(be32_to_cpu(cpi->cap_mask2_resp_time) &
+ IB_CLASS_PORT_INFO_RESP_TIME_MASK);
+}
+
+/**
+ * ib_set_cpi_resptime - Sets the response time in an
+ * ib_class_port_info mad.
+ * @cpi: A struct ib_class_port_info.
+ * @rtime: The response time to set.
+ */
+static inline void ib_set_cpi_resp_time(struct ib_class_port_info *cpi,
+ u8 rtime)
+{
+ cpi->cap_mask2_resp_time =
+ (cpi->cap_mask2_resp_time &
+ cpu_to_be32(~IB_CLASS_PORT_INFO_RESP_TIME_MASK)) |
+ cpu_to_be32(rtime & IB_CLASS_PORT_INFO_RESP_TIME_MASK);
+}
+
+/**
+ * ib_get_cpi_capmask2 - Returns the capmask2 value from
+ * cap_mask2_resp_time in ib_class_port_info.
+ * @cpi: A struct ib_class_port_info mad.
+ */
+static inline u32 ib_get_cpi_capmask2(struct ib_class_port_info *cpi)
+{
+ return (be32_to_cpu(cpi->cap_mask2_resp_time) >>
+ IB_CLASS_PORT_INFO_RESP_TIME_FIELD_SIZE);
+}
+
+/**
+ * ib_set_cpi_capmask2 - Sets the capmask2 in an
+ * ib_class_port_info mad.
+ * @cpi: A struct ib_class_port_info.
+ * @capmask2: The capmask2 to set.
+ */
+static inline void ib_set_cpi_capmask2(struct ib_class_port_info *cpi,
+ u32 capmask2)
+{
+ cpi->cap_mask2_resp_time =
+ (cpi->cap_mask2_resp_time &
+ cpu_to_be32(IB_CLASS_PORT_INFO_RESP_TIME_MASK)) |
+ cpu_to_be32(capmask2 <<
+ IB_CLASS_PORT_INFO_RESP_TIME_FIELD_SIZE);
+}
+
struct ib_mad_notice_attr {
u8 generic_type;
u8 prod_type_msb;