diff options
Diffstat (limited to 'drivers/infiniband/core/cm_msgs.h')
| -rw-r--r-- | drivers/infiniband/core/cm_msgs.h | 32 |
1 files changed, 30 insertions, 2 deletions
diff --git a/drivers/infiniband/core/cm_msgs.h b/drivers/infiniband/core/cm_msgs.h index 7e63c08f697..505db2a59e7 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); |