diff options
| author | Hariprasad S <hariprasad@chelsio.com> | 2016-05-06 18:48:02 +0200 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2016-05-14 01:38:07 +0200 |
| commit | 761e19a504afa55ec0ede0ed490cddb99b2596a5 (patch) | |
| tree | 29783694ba5000918832e48f3981c7894bc96008 /drivers/infiniband | |
| parent | RDMA/iw_cxgb4: in process_timeout() don't move ep state to ABORTING (diff) | |
| download | linux-761e19a504afa55ec0ede0ed490cddb99b2596a5.tar.xz linux-761e19a504afa55ec0ede0ed490cddb99b2596a5.zip | |
RDMA/iw_cxgb4: Handle return value of c4iw_ofld_send() in abort_arp_failure()
In abort_arp_failure(), the return value from c4iw_ofld_send() is
ignored and thus if the CPL isn't sent, the endpoint is stuck and never
gets aborted. Failure of c4iw_ofld_send() is treated as fatal error, and
the ep resources are released in a safer context through process_work().
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband')
| -rw-r--r-- | drivers/infiniband/hw/cxgb4/cm.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c index 6c22bc95a112..6129dbd0dc9e 100644 --- a/drivers/infiniband/hw/cxgb4/cm.c +++ b/drivers/infiniband/hw/cxgb4/cm.c @@ -540,12 +540,18 @@ static void act_open_req_arp_failure(void *handle, struct sk_buff *skb) */ static void abort_arp_failure(void *handle, struct sk_buff *skb) { - struct c4iw_rdev *rdev = handle; + int ret; + struct c4iw_ep *ep = handle; + struct c4iw_rdev *rdev = &ep->com.dev->rdev; struct cpl_abort_req *req = cplhdr(skb); PDBG("%s rdev %p\n", __func__, rdev); req->cmd = CPL_ABORT_NO_RST; - c4iw_ofld_send(rdev, skb); + ret = c4iw_ofld_send(rdev, skb); + if (ret) { + __state_set(&ep->com, DEAD); + queue_arp_failure_cpl(ep, skb, FAKE_CPL_PUT_EP_SAFE); + } } static int send_flowc(struct c4iw_ep *ep, struct sk_buff *skb) @@ -642,7 +648,7 @@ static int send_abort(struct c4iw_ep *ep, struct sk_buff *skb, gfp_t gfp) return -ENOMEM; } set_wr_txq(skb, CPL_PRIORITY_DATA, ep->txq_idx); - t4_set_arp_err_handler(skb, &ep->com.dev->rdev, abort_arp_failure); + t4_set_arp_err_handler(skb, ep, abort_arp_failure); req = (struct cpl_abort_req *) skb_put(skb, wrlen); memset(req, 0, wrlen); INIT_TP_WR(req, ep->hwtid); |