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authorBart Van Assche2018-01-17 01:14:07 +0100
committerDoug Ledford2018-01-18 20:49:24 +0100
commitc5efb62148a4bf2865d76c43c012a3329f5b5b8c (patch)
tree988e6fae1747f8c52bb3a964cd1978c9a33f7d90 /drivers/infiniband/ulp/srpt/ib_srpt.c
parentIB/srpt: Rework srpt_disconnect_ch_sync() (diff)
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IB/srpt: Add P_Key support
Process connection requests that use another P_Key than the default correctly. Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/ulp/srpt/ib_srpt.c')
-rw-r--r--drivers/infiniband/ulp/srpt/ib_srpt.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c
index 5386b993daf9..cafa73083ee8 100644
--- a/drivers/infiniband/ulp/srpt/ib_srpt.c
+++ b/drivers/infiniband/ulp/srpt/ib_srpt.c
@@ -41,6 +41,7 @@
#include <linux/string.h>
#include <linux/delay.h>
#include <linux/atomic.h>
+#include <rdma/ib_cache.h>
#include <scsi/scsi_proto.h>
#include <scsi/scsi_tcq.h>
#include <target/target_core_base.h>
@@ -1057,7 +1058,12 @@ static int srpt_init_ch_qp(struct srpt_rdma_ch *ch, struct ib_qp *qp)
attr->qp_state = IB_QPS_INIT;
attr->qp_access_flags = IB_ACCESS_LOCAL_WRITE;
attr->port_num = ch->sport->port;
- attr->pkey_index = 0;
+
+ ret = ib_find_cached_pkey(ch->sport->sdev->device, ch->sport->port,
+ ch->pkey, &attr->pkey_index);
+ if (ret < 0)
+ pr_err("Translating pkey %#x failed (%d) - using index 0\n",
+ ch->pkey, ret);
ret = ib_modify_qp(qp, attr,
IB_QP_STATE | IB_QP_ACCESS_FLAGS | IB_QP_PORT |
@@ -1994,9 +2000,10 @@ static int srpt_cm_req_recv(struct ib_cm_id *cm_id,
it_iu_len = be32_to_cpu(req->req_it_iu_len);
- pr_info("Received SRP_LOGIN_REQ with i_port_id %pI6, t_port_id %pI6 and it_iu_len %d on port %d (guid=%pI6)\n",
+ pr_info("Received SRP_LOGIN_REQ with i_port_id %pI6, t_port_id %pI6 and it_iu_len %d on port %d (guid=%pI6); pkey %#04x\n",
req->initiator_port_id, req->target_port_id, it_iu_len,
- param->port, &sport->gid);
+ param->port, &sport->gid,
+ be16_to_cpu(param->primary_path->pkey));
rsp = kzalloc(sizeof(*rsp), GFP_KERNEL);
rej = kzalloc(sizeof(*rej), GFP_KERNEL);
@@ -2073,6 +2080,7 @@ static int srpt_cm_req_recv(struct ib_cm_id *cm_id,
init_rcu_head(&ch->rcu);
kref_init(&ch->kref);
+ ch->pkey = be16_to_cpu(param->primary_path->pkey);
ch->zw_cqe.done = srpt_zerolength_write_done;
INIT_WORK(&ch->release_work, srpt_release_channel_work);
memcpy(ch->i_port_id, req->initiator_port_id, 16);