diff options
| author | Jason Gunthorpe <jgg@mellanox.com> | 2020-05-06 10:46:56 +0300 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2020-05-13 03:32:53 +0300 |
| commit | 9767a27e1aeb462812e9f054c313180eeff0b5c3 (patch) | |
| tree | a86d59eeeeb16d94118d0d65e8f799e09dbef201 /drivers/infiniband/core/cm.c | |
| parent | e83f195aa45c1ffd73b3a950a887e41c260cf194 (diff) | |
| download | linux-9767a27e1aeb462812e9f054c313180eeff0b5c3.tar.xz | |
RDMA/cm: Pass the cm_id_private into cm_cleanup_timewait
Also rename it to cm_remove_remote(). This function now removes the
tracking of the remote ID/QPN in the redblack trees from a cm_id_private.
Replace a open-coded version with a call. The open coded version was
deleting only the remote_id, however at this call site the qpn can not
have been in the RB tree either, so the cm_remove_remote() will do the
same.
Link: https://lore.kernel.org/r/20200506074701.9775-6-leon@kernel.org
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/core/cm.c')
| -rw-r--r-- | drivers/infiniband/core/cm.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c index f56494de3c77..6a2a5f6e6d90 100644 --- a/drivers/infiniband/core/cm.c +++ b/drivers/infiniband/core/cm.c @@ -964,8 +964,10 @@ static u8 cm_ack_timeout(u8 ca_ack_delay, u8 packet_life_time) return min(31, ack_timeout); } -static void cm_cleanup_timewait(struct cm_timewait_info *timewait_info) +static void cm_remove_remote(struct cm_id_private *cm_id_priv) { + struct cm_timewait_info *timewait_info = cm_id_priv->timewait_info; + if (timewait_info->inserted_remote_id) { rb_erase(&timewait_info->remote_id_node, &cm.remote_id_table); timewait_info->inserted_remote_id = 0; @@ -1004,7 +1006,7 @@ static void cm_enter_timewait(struct cm_id_private *cm_id_priv) return; spin_lock_irqsave(&cm.lock, flags); - cm_cleanup_timewait(cm_id_priv->timewait_info); + cm_remove_remote(cm_id_priv); list_add_tail(&cm_id_priv->timewait_info->list, &cm.timewait_list); spin_unlock_irqrestore(&cm.lock, flags); @@ -1035,7 +1037,7 @@ static void cm_reset_to_idle(struct cm_id_private *cm_id_priv) cm_id_priv->id.state = IB_CM_IDLE; if (cm_id_priv->timewait_info) { spin_lock_irqsave(&cm.lock, flags); - cm_cleanup_timewait(cm_id_priv->timewait_info); + cm_remove_remote(cm_id_priv); spin_unlock_irqrestore(&cm.lock, flags); kfree(cm_id_priv->timewait_info); cm_id_priv->timewait_info = NULL; @@ -1136,7 +1138,7 @@ retest: spin_lock(&cm.lock); /* Required for cleanup paths related cm_req_handler() */ if (cm_id_priv->timewait_info) { - cm_cleanup_timewait(cm_id_priv->timewait_info); + cm_remove_remote(cm_id_priv); kfree(cm_id_priv->timewait_info); cm_id_priv->timewait_info = NULL; } @@ -1971,7 +1973,7 @@ static struct cm_id_private * cm_match_req(struct cm_work *work, /* Check for stale connections. */ timewait_info = cm_insert_remote_qpn(cm_id_priv->timewait_info); if (timewait_info) { - cm_cleanup_timewait(cm_id_priv->timewait_info); + cm_remove_remote(cm_id_priv); cur_cm_id_priv = cm_acquire_id(timewait_info->work.local_id, timewait_info->work.remote_id); @@ -1992,7 +1994,7 @@ static struct cm_id_private * cm_match_req(struct cm_work *work, cm_id_priv->id.device, cpu_to_be64(IBA_GET(CM_REQ_SERVICE_ID, req_msg))); if (!listen_cm_id_priv) { - cm_cleanup_timewait(cm_id_priv->timewait_info); + cm_remove_remote(cm_id_priv); spin_unlock_irq(&cm.lock); cm_issue_rej(work->port, work->mad_recv_wc, IB_CM_REJ_INVALID_SERVICE_ID, CM_MSG_RESPONSE_REQ, @@ -2475,9 +2477,7 @@ static int cm_rep_handler(struct cm_work *work) /* Check for a stale connection. */ timewait_info = cm_insert_remote_qpn(cm_id_priv->timewait_info); if (timewait_info) { - rb_erase(&cm_id_priv->timewait_info->remote_id_node, - &cm.remote_id_table); - cm_id_priv->timewait_info->inserted_remote_id = 0; + cm_remove_remote(cm_id_priv); cur_cm_id_priv = cm_acquire_id(timewait_info->work.local_id, timewait_info->work.remote_id); |