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Diffstat (limited to 'drivers/infiniband/core/cm_msgs.h')
-rw-r--r--drivers/infiniband/core/cm_msgs.h32
1 files changed, 30 insertions, 2 deletions
diff --git a/drivers/infiniband/core/cm_msgs.h b/drivers/infiniband/core/cm_msgs.h
index 7e63c08..505db2a 100644
--- a/drivers/infiniband/core/cm_msgs.h
+++ b/drivers/infiniband/core/cm_msgs.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2004 Intel Corporation. All rights reserved.
+ * Copyright (c) 2004, 2011 Intel Corporation. All rights reserved.
* Copyright (c) 2004 Topspin Corporation. All rights reserved.
* Copyright (c) 2004 Voltaire Corporation. All rights reserved.
*
@@ -86,7 +86,7 @@ struct cm_req_msg {
__be16 pkey;
/* path MTU:4, RDC exists:1, RNR retry count:3. */
u8 offset50;
- /* max CM Retries:4, SRQ:1, rsvd:3 */
+ /* max CM Retries:4, SRQ:1, extended transport type:3 */
u8 offset51;
__be16 primary_local_lid;
@@ -175,6 +175,11 @@ static inline enum ib_qp_type cm_req_get_qp_type(struct cm_req_msg *req_msg)
switch(transport_type) {
case 0: return IB_QPT_RC;
case 1: return IB_QPT_UC;
+ case 3:
+ switch (req_msg->offset51 & 0x7) {
+ case 1: return IB_QPT_XRC_TGT;
+ default: return 0;
+ }
default: return 0;
}
}
@@ -188,6 +193,12 @@ static inline void cm_req_set_qp_type(struct cm_req_msg *req_msg,
req_msg->offset40) &
0xFFFFFFF9) | 0x2);
break;
+ case IB_QPT_XRC_INI:
+ req_msg->offset40 = cpu_to_be32((be32_to_cpu(
+ req_msg->offset40) &
+ 0xFFFFFFF9) | 0x6);
+ req_msg->offset51 = (req_msg->offset51 & 0xF8) | 1;
+ break;
default:
req_msg->offset40 = cpu_to_be32(be32_to_cpu(
req_msg->offset40) &
@@ -527,6 +538,23 @@ static inline void cm_rep_set_local_qpn(struct cm_rep_msg *rep_msg, __be32 qpn)
(be32_to_cpu(rep_msg->offset12) & 0x000000FF));
}
+static inline __be32 cm_rep_get_local_eecn(struct cm_rep_msg *rep_msg)
+{
+ return cpu_to_be32(be32_to_cpu(rep_msg->offset16) >> 8);
+}
+
+static inline void cm_rep_set_local_eecn(struct cm_rep_msg *rep_msg, __be32 eecn)
+{
+ rep_msg->offset16 = cpu_to_be32((be32_to_cpu(eecn) << 8) |
+ (be32_to_cpu(rep_msg->offset16) & 0x000000FF));
+}
+
+static inline __be32 cm_rep_get_qpn(struct cm_rep_msg *rep_msg, enum ib_qp_type qp_type)
+{
+ return (qp_type == IB_QPT_XRC_INI) ?
+ cm_rep_get_local_eecn(rep_msg) : cm_rep_get_local_qpn(rep_msg);
+}
+
static inline __be32 cm_rep_get_starting_psn(struct cm_rep_msg *rep_msg)
{
return cpu_to_be32(be32_to_cpu(rep_msg->offset20) >> 8);