From mboxrd@z Thu Jan 1 00:00:00 1970 From: Henry Orosco Subject: [PATCH 6/8] i40iw: Move MPA request event for loopback after connect Date: Fri, 17 Nov 2017 10:46:55 -0600 Message-ID: <20171117164657.14824-7-henry.orosco@intel.com> References: <20171117164657.14824-1-henry.orosco@intel.com> Return-path: In-Reply-To: <20171117164657.14824-1-henry.orosco-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, e1000-rdma-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org, jgg-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org, Tatyana Nikolova , Henry Orosco List-Id: linux-rdma@vger.kernel.org From: Tatyana Nikolova For loopback, MPA request event is generated when cm_node is initialized, which allows applications to act on the connect request before i40iw_connect() has completed. In some cases, the reject flow executes in parallel with the connect flow and doesn't delete an APBVT entry, because the apbvt_set variable is still not set by the connect flow. Move the MPA request event to the end of i40iw_connect() to notify application for a connect request, after connect has completed. Fixes: f27b4746f378 ("i40iw: add connection management code") Signed-off-by: Tatyana Nikolova Signed-off-by: Henry Orosco --- drivers/infiniband/hw/i40iw/i40iw_cm.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/infiniband/hw/i40iw/i40iw_cm.c b/drivers/infiniband/hw/i40iw/i40iw_cm.c index e145417..3a35d56 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_cm.c +++ b/drivers/infiniband/hw/i40iw/i40iw_cm.c @@ -2947,8 +2947,6 @@ static struct i40iw_cm_node *i40iw_create_cm_node( loopback_remotenode->tcp_cntxt.snd_wnd = cm_node->tcp_cntxt.rcv_wnd; cm_node->tcp_cntxt.snd_wscale = loopback_remotenode->tcp_cntxt.rcv_wscale; loopback_remotenode->tcp_cntxt.snd_wscale = cm_node->tcp_cntxt.rcv_wscale; - loopback_remotenode->state = I40IW_CM_STATE_MPAREQ_RCVD; - i40iw_create_event(loopback_remotenode, I40IW_CM_EVENT_MPA_REQ); } return cm_node; } @@ -3864,6 +3862,11 @@ int i40iw_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) goto err; } + if (cm_node->loopbackpartner) { + cm_node->loopbackpartner->state = I40IW_CM_STATE_MPAREQ_RCVD; + i40iw_create_event(cm_node->loopbackpartner, I40IW_CM_EVENT_MPA_REQ); + } + i40iw_debug(cm_node->dev, I40IW_DEBUG_CM, "Api - connect(): port=0x%04x, cm_node=%p, cm_id = %p.\n", -- 2.8.3 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html