From patchwork Tue Sep 10 08:25:56 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Rybchenko X-Patchwork-Id: 59073 X-Patchwork-Delegate: ferruh.yigit@amd.com Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 51A331EE15; Tue, 10 Sep 2019 10:26:55 +0200 (CEST) Received: from dispatch1-us1.ppe-hosted.com (dispatch1-us1.ppe-hosted.com [148.163.129.52]) by dpdk.org (Postfix) with ESMTP id 8EF541ECD5 for ; Tue, 10 Sep 2019 10:26:23 +0200 (CEST) X-Virus-Scanned: Proofpoint Essentials engine Received: from webmail.solarflare.com (webmail.solarflare.com [12.187.104.26]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mx1-us2.ppe-hosted.com (PPE Hosted ESMTP Server) with ESMTPS id 492291C005F; Tue, 10 Sep 2019 08:26:22 +0000 (UTC) Received: from ocex03.SolarFlarecom.com (10.20.40.36) by ocex03.SolarFlarecom.com (10.20.40.36) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Tue, 10 Sep 2019 01:26:19 -0700 Received: from opal.uk.solarflarecom.com (10.17.10.1) by ocex03.SolarFlarecom.com (10.20.40.36) with Microsoft SMTP Server (TLS) id 15.0.1395.4 via Frontend Transport; Tue, 10 Sep 2019 01:26:19 -0700 Received: from ukv-loginhost.uk.solarflarecom.com (ukv-loginhost.uk.solarflarecom.com [10.17.10.39]) by opal.uk.solarflarecom.com (8.13.8/8.13.8) with ESMTP id x8A8QIZx002339; Tue, 10 Sep 2019 09:26:18 +0100 Received: from ukv-loginhost.uk.solarflarecom.com (localhost [127.0.0.1]) by ukv-loginhost.uk.solarflarecom.com (Postfix) with ESMTP id 1CF431613D1; Tue, 10 Sep 2019 09:26:18 +0100 (BST) From: Andrew Rybchenko To: David Hunt CC: , Igor Romanov Date: Tue, 10 Sep 2019 09:25:56 +0100 Message-ID: <1568103959-25572-17-git-send-email-arybchenko@solarflare.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1568103959-25572-1-git-send-email-arybchenko@solarflare.com> References: <1568103959-25572-1-git-send-email-arybchenko@solarflare.com> MIME-Version: 1.0 X-TM-AS-Product-Ver: SMEX-12.5.0.1300-8.5.1010-24898.005 X-TM-AS-Result: No-1.138400-4.000000-10 X-TMASE-MatchedRID: lyqyZjZpZifDOgXZFRFV83CO70QAsBdCWw/S0HB7eoPhWjjGhpcHL0Ac 6DyoS2rIZNUDHbPZ5K3jZDvcQ0T2FR8TzIzimOwPC24oEZ6SpSmb4wHqRpnaDg/qQbWYrUe+/IJ SWJW3WWr4rmPDDfu1DKLFX3skqzIGh6b54TmTRhk9gdVQQEC1Kcny9hUis3fSX8JKL/6hadMbkD c8OcWTVOQDw6tgd3AMZ9iVj/KhX/RSnoQc5vb5zuQdkM7ndBLCN+XOQZygrvY= X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--1.138400-4.000000 X-TMASE-Version: SMEX-12.5.0.1300-8.5.1010-24898.005 X-MDID: 1568103982-U3_ugnXw8Crv Subject: [dpdk-dev] [PATCH 16/18] examples/distributor: check status of getting link info X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" From: Igor Romanov The return value of rte_eth_link_get() and rte_eth_link_get_nowait() was changed from void to int. Update the usage of the functions according to the new return type. Signed-off-by: Igor Romanov Signed-off-by: Andrew Rybchenko --- examples/distributor/main.c | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) diff --git a/examples/distributor/main.c b/examples/distributor/main.c index 125ee877f..49b4e611f 100644 --- a/examples/distributor/main.c +++ b/examples/distributor/main.c @@ -173,12 +173,18 @@ port_init(uint16_t port, struct rte_mempool *mbuf_pool) return retval; struct rte_eth_link link; - rte_eth_link_get_nowait(port, &link); - while (!link.link_status) { + do { + retval = rte_eth_link_get_nowait(port, &link); + if (retval < 0) { + printf("Failed link get (port %u): %s\n", + port, rte_strerror(-retval)); + return retval; + } else if (link.link_status) + break; + printf("Waiting for Link up on port %"PRIu16"\n", port); sleep(1); - rte_eth_link_get_nowait(port, &link); - } + } while (!link.link_status); if (!link.link_status) { printf("Link down on port %"PRIu16"\n", port);