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[PATCH] IB CM: support CM redir

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Changes to CM to support CM and port redirection (REJ reason 24).

Signed-off-by: John Kingman <kingman <at> storagegear.com>
Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
John Kingman
2005-09-09 18:23:32 -07:00
committed by Roland Dreier
parent 63aaf64752
commit 354ba39cf9
2 changed files with 4 additions and 1 deletions
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4
drivers/infiniband/core/cm.c
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@@ -173,7 +173,8 @@ static int cm_alloc_msg(struct cm_id_private *cm_id_priv,
if (IS_ERR(ah)) if (IS_ERR(ah))
return PTR_ERR(ah); return PTR_ERR(ah);
m = ib_create_send_mad(mad_agent, 1, cm_id_priv->av.pkey_index, m = ib_create_send_mad(mad_agent, cm_id_priv->id.remote_cm_qpn,
cm_id_priv->av.pkey_index,
ah, 0, sizeof(struct ib_mad_hdr), ah, 0, sizeof(struct ib_mad_hdr),
sizeof(struct ib_mad)-sizeof(struct ib_mad_hdr), sizeof(struct ib_mad)-sizeof(struct ib_mad_hdr),
GFP_ATOMIC); GFP_ATOMIC);
@@ -536,6 +537,7 @@ struct ib_cm_id *ib_create_cm_id(ib_cm_handler cm_handler,
cm_id_priv->id.state = IB_CM_IDLE; cm_id_priv->id.state = IB_CM_IDLE;
cm_id_priv->id.cm_handler = cm_handler; cm_id_priv->id.cm_handler = cm_handler;
cm_id_priv->id.context = context; cm_id_priv->id.context = context;
cm_id_priv->id.remote_cm_qpn = 1;
ret = cm_alloc_id(cm_id_priv); ret = cm_alloc_id(cm_id_priv);
if (ret) if (ret)
goto error; goto error;

1
include/rdma/ib_cm.h
View File

@@ -290,6 +290,7 @@ struct ib_cm_id {
enum ib_cm_lap_state lap_state; /* internal CM/debug use */ enum ib_cm_lap_state lap_state; /* internal CM/debug use */
__be32 local_id; __be32 local_id;
__be32 remote_id; __be32 remote_id;
u32 remote_cm_qpn; /* 1 unless redirected */
}; };
/** /**