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path: root/drivers/infiniband/core/mad_rmpp.c
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Diffstat (limited to 'drivers/infiniband/core/mad_rmpp.c')
-rw-r--r--drivers/infiniband/core/mad_rmpp.c33
1 files changed, 24 insertions, 9 deletions
diff --git a/drivers/infiniband/core/mad_rmpp.c b/drivers/infiniband/core/mad_rmpp.c
index f37878c9c..382941b46 100644
--- a/drivers/infiniband/core/mad_rmpp.c
+++ b/drivers/infiniband/core/mad_rmpp.c
@@ -1,6 +1,7 @@
/*
* Copyright (c) 2005 Intel Inc. All rights reserved.
* Copyright (c) 2005-2006 Voltaire, Inc. All rights reserved.
+ * Copyright (c) 2014 Intel Corporation. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
@@ -67,6 +68,7 @@ struct mad_rmpp_recv {
u8 mgmt_class;
u8 class_version;
u8 method;
+ u8 base_version;
};
static inline void deref_rmpp_recv(struct mad_rmpp_recv *rmpp_recv)
@@ -139,7 +141,8 @@ static void ack_recv(struct mad_rmpp_recv *rmpp_recv,
hdr_len = ib_get_mad_data_offset(recv_wc->recv_buf.mad->mad_hdr.mgmt_class);
msg = ib_create_send_mad(&rmpp_recv->agent->agent, recv_wc->wc->src_qp,
recv_wc->wc->pkey_index, 1, hdr_len,
- 0, GFP_KERNEL);
+ 0, GFP_KERNEL,
+ IB_MGMT_BASE_VERSION);
if (IS_ERR(msg))
return;
@@ -165,7 +168,8 @@ static struct ib_mad_send_buf *alloc_response_msg(struct ib_mad_agent *agent,
hdr_len = ib_get_mad_data_offset(recv_wc->recv_buf.mad->mad_hdr.mgmt_class);
msg = ib_create_send_mad(agent, recv_wc->wc->src_qp,
recv_wc->wc->pkey_index, 1,
- hdr_len, 0, GFP_KERNEL);
+ hdr_len, 0, GFP_KERNEL,
+ IB_MGMT_BASE_VERSION);
if (IS_ERR(msg))
ib_destroy_ah(ah);
else {
@@ -316,6 +320,7 @@ create_rmpp_recv(struct ib_mad_agent_private *agent,
rmpp_recv->mgmt_class = mad_hdr->mgmt_class;
rmpp_recv->class_version = mad_hdr->class_version;
rmpp_recv->method = mad_hdr->method;
+ rmpp_recv->base_version = mad_hdr->base_version;
return rmpp_recv;
error: kfree(rmpp_recv);
@@ -431,14 +436,23 @@ static inline int get_mad_len(struct mad_rmpp_recv *rmpp_recv)
{
struct ib_rmpp_mad *rmpp_mad;
int hdr_size, data_size, pad;
+ bool opa = rdma_cap_opa_mad(rmpp_recv->agent->qp_info->port_priv->device,
+ rmpp_recv->agent->qp_info->port_priv->port_num);
rmpp_mad = (struct ib_rmpp_mad *)rmpp_recv->cur_seg_buf->mad;
hdr_size = ib_get_mad_data_offset(rmpp_mad->mad_hdr.mgmt_class);
- data_size = sizeof(struct ib_rmpp_mad) - hdr_size;
- pad = IB_MGMT_RMPP_DATA - be32_to_cpu(rmpp_mad->rmpp_hdr.paylen_newwin);
- if (pad > IB_MGMT_RMPP_DATA || pad < 0)
- pad = 0;
+ if (opa && rmpp_recv->base_version == OPA_MGMT_BASE_VERSION) {
+ data_size = sizeof(struct opa_rmpp_mad) - hdr_size;
+ pad = OPA_MGMT_RMPP_DATA - be32_to_cpu(rmpp_mad->rmpp_hdr.paylen_newwin);
+ if (pad > OPA_MGMT_RMPP_DATA || pad < 0)
+ pad = 0;
+ } else {
+ data_size = sizeof(struct ib_rmpp_mad) - hdr_size;
+ pad = IB_MGMT_RMPP_DATA - be32_to_cpu(rmpp_mad->rmpp_hdr.paylen_newwin);
+ if (pad > IB_MGMT_RMPP_DATA || pad < 0)
+ pad = 0;
+ }
return hdr_size + rmpp_recv->seg_num * data_size - pad;
}
@@ -570,13 +584,14 @@ static int send_next_seg(struct ib_mad_send_wr_private *mad_send_wr)
if (mad_send_wr->seg_num == 1) {
rmpp_mad->rmpp_hdr.rmpp_rtime_flags |= IB_MGMT_RMPP_FLAG_FIRST;
- paylen = mad_send_wr->send_buf.seg_count * IB_MGMT_RMPP_DATA -
- mad_send_wr->pad;
+ paylen = (mad_send_wr->send_buf.seg_count *
+ mad_send_wr->send_buf.seg_rmpp_size) -
+ mad_send_wr->pad;
}
if (mad_send_wr->seg_num == mad_send_wr->send_buf.seg_count) {
rmpp_mad->rmpp_hdr.rmpp_rtime_flags |= IB_MGMT_RMPP_FLAG_LAST;
- paylen = IB_MGMT_RMPP_DATA - mad_send_wr->pad;
+ paylen = mad_send_wr->send_buf.seg_rmpp_size - mad_send_wr->pad;
}
rmpp_mad->rmpp_hdr.paylen_newwin = cpu_to_be32(paylen);