Path: csiph.com!weretis.net!feeder4.news.weretis.net!news.mixmin.net!aioe.org!news.servidellagleba.it!bofh.it!news.nic.it!robomod From: Stefano Stabellini Newsgroups: linux.kernel Subject: [PATCH v5 10/18] xen/pvcalls: implement listen command Date: Thu, 22 Jun 2017 21:20:02 +0200 Message-ID: References: X-Original-To: xen-devel@lists.xen.org Dmarc-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DB7A422B6D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=sstabellini@kernel.org X-Mailer: git-send-email 1.9.1 Sender: robomod@news.nic.it List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Approved: robomod@news.nic.it Lines: 44 Organization: linux.* mail to news gateway X-Original-Cc: linux-kernel@vger.kernel.org, sstabellini@kernel.org, jgross@suse.com, boris.ostrovsky@oracle.com, Stefano Stabellini X-Original-Date: Thu, 22 Jun 2017 12:14:19 -0700 X-Original-Message-ID: <1498158867-25426-10-git-send-email-sstabellini@kernel.org> X-Original-References: <1498158867-25426-1-git-send-email-sstabellini@kernel.org> X-Original-Sender: linux-kernel-owner@vger.kernel.org Xref: csiph.com linux.kernel:1672977 Call inet_listen to implement the listen command. Signed-off-by: Stefano Stabellini Reviewed-by: Boris Ostrovsky CC: boris.ostrovsky@oracle.com CC: jgross@suse.com --- drivers/xen/pvcalls-back.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/drivers/xen/pvcalls-back.c b/drivers/xen/pvcalls-back.c index 2c0bfef..2a47425 100644 --- a/drivers/xen/pvcalls-back.c +++ b/drivers/xen/pvcalls-back.c @@ -361,6 +361,27 @@ static int pvcalls_back_bind(struct xenbus_device *dev, static int pvcalls_back_listen(struct xenbus_device *dev, struct xen_pvcalls_request *req) { + struct pvcalls_fedata *fedata; + int ret = -EINVAL; + struct sockpass_mapping *map; + struct xen_pvcalls_response *rsp; + + fedata = dev_get_drvdata(&dev->dev); + + down(&fedata->socket_lock); + map = radix_tree_lookup(&fedata->socketpass_mappings, req->u.listen.id); + up(&fedata->socket_lock); + if (map == NULL) + goto out; + + ret = inet_listen(map->sock, req->u.listen.backlog); + +out: + rsp = RING_GET_RESPONSE(&fedata->ring, fedata->ring.rsp_prod_pvt++); + rsp->req_id = req->req_id; + rsp->cmd = req->cmd; + rsp->u.listen.id = req->u.listen.id; + rsp->ret = ret; return 0; } -- 1.9.1