From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:50201 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751980AbcJEIUR (ORCPT ); Wed, 5 Oct 2016 04:20:17 -0400 Subject: Patch "i40iw: Send last streaming mode message for loopback connections" has been added to the 4.7-stable tree To: tatyana.e.nikolova@intel.com, dledford@redhat.com, gregkh@linuxfoundation.org, shiraz.saleem@intel.com Cc: , From: Date: Wed, 05 Oct 2016 10:18:18 +0200 Message-ID: <147565549811194@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled i40iw: Send last streaming mode message for loopback connections to the 4.7-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: i40iw-send-last-streaming-mode-message-for-loopback-connections.patch and it can be found in the queue-4.7 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From 07c72d7d54d138eb2ca37709a5a3d55fbcc01536 Mon Sep 17 00:00:00 2001 From: Tatyana Nikolova Date: Wed, 24 Aug 2016 13:59:17 -0500 Subject: i40iw: Send last streaming mode message for loopback connections From: Tatyana Nikolova commit 07c72d7d54d138eb2ca37709a5a3d55fbcc01536 upstream. Send a zero length last streaming mode message for loopback connections to synchronize between accepting QP and connecting QP. This avoids data transfer to start on the accepting QP before the connecting QP is in RTS. Also remove function i40iw_loopback_nop() as it is no longer used. Fixes: f27b4746f378 ("i40iw: add connection management code") Signed-off-by: Tatyana Nikolova Signed-off-by: Shiraz Saleem Signed-off-by: Doug Ledford Signed-off-by: Greg Kroah-Hartman --- drivers/infiniband/hw/i40iw/i40iw_cm.c | 22 +--------------------- 1 file changed, 1 insertion(+), 21 deletions(-) --- a/drivers/infiniband/hw/i40iw/i40iw_cm.c +++ b/drivers/infiniband/hw/i40iw/i40iw_cm.c @@ -3347,26 +3347,6 @@ int i40iw_cm_disconn(struct i40iw_qp *iw } /** - * i40iw_loopback_nop - Send a nop - * @qp: associated hw qp - */ -static void i40iw_loopback_nop(struct i40iw_sc_qp *qp) -{ - u64 *wqe; - u64 header; - - wqe = qp->qp_uk.sq_base->elem; - set_64bit_val(wqe, 0, 0); - set_64bit_val(wqe, 8, 0); - set_64bit_val(wqe, 16, 0); - - header = LS_64(I40IWQP_OP_NOP, I40IWQPSQ_OPCODE) | - LS_64(0, I40IWQPSQ_SIGCOMPL) | - LS_64(qp->qp_uk.swqe_polarity, I40IWQPSQ_VALID); - set_64bit_val(wqe, 24, header); -} - -/** * i40iw_qp_disconnect - free qp and close cm * @iwqp: associate qp for the connection */ @@ -3638,7 +3618,7 @@ int i40iw_accept(struct iw_cm_id *cm_id, } else { if (iwqp->page) iwqp->sc_qp.qp_uk.sq_base = kmap(iwqp->page); - i40iw_loopback_nop(&iwqp->sc_qp); + dev->iw_priv_qp_ops->qp_send_lsmm(&iwqp->sc_qp, NULL, 0, 0); } if (iwqp->page) Patches currently in stable-queue which might be from tatyana.e.nikolova@intel.com are queue-4.7/i40iw-send-last-streaming-mode-message-for-loopback-connections.patch