From patchwork Thu Jan 12 09:03:21 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Rybchenko X-Patchwork-Id: 19211 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 [IPv6:::1]) by dpdk.org (Postfix) with ESMTP id 2FDECF92D; Thu, 12 Jan 2017 10:04:36 +0100 (CET) Received: from nbfkord-smmo02.seg.att.com (nbfkord-smmo02.seg.att.com [209.65.160.78]) by dpdk.org (Postfix) with ESMTP id 78B05592C for ; Thu, 12 Jan 2017 10:04:14 +0100 (CET) Received: from unknown [12.187.104.26] by nbfkord-smmo02.seg.att.com(mxl_mta-7.2.4-7) with SMTP id d8647785.0.1337743.00-2337.2735083.nbfkord-smmo02.seg.att.com (envelope-from ); Thu, 12 Jan 2017 09:04:14 +0000 (UTC) X-MXL-Hash: 5877468e4d0a5153-82df41cac5e6feea4a1c49e2c1087ad4ae846414 Received: from ocex03.SolarFlarecom.com (10.20.40.36) by ocex03.SolarFlarecom.com (10.20.40.36) with Microsoft SMTP Server (TLS) id 15.0.1044.25; Thu, 12 Jan 2017 01:03:42 -0800 Received: from opal.uk.solarflarecom.com (10.17.10.1) by ocex03.SolarFlarecom.com (10.20.40.36) with Microsoft SMTP Server (TLS) id 15.0.1044.25 via Frontend Transport; Thu, 12 Jan 2017 01:03:42 -0800 Received: from uklogin.uk.solarflarecom.com (uklogin.uk.solarflarecom.com [10.17.10.10]) by opal.uk.solarflarecom.com (8.13.8/8.13.8) with ESMTP id v0C93fb1031675 for ; Thu, 12 Jan 2017 09:03:41 GMT Received: from uklogin.uk.solarflarecom.com (localhost.localdomain [127.0.0.1]) by uklogin.uk.solarflarecom.com (8.13.8/8.13.8) with ESMTP id v0C93fkX021496 for ; Thu, 12 Jan 2017 09:03:41 GMT From: Andrew Rybchenko To: Date: Thu, 12 Jan 2017 09:03:21 +0000 Message-ID: <1484211803-21449-3-git-send-email-arybchenko@solarflare.com> X-Mailer: git-send-email 1.8.2.3 In-Reply-To: <1484211803-21449-1-git-send-email-arybchenko@solarflare.com> References: <1484211803-21449-1-git-send-email-arybchenko@solarflare.com> MIME-Version: 1.0 X-AnalysisOut: [v=2.1 cv=ALPOwa1d c=1 sm=1 tr=0 a=8BlWFWvVlq5taO8ncb8nKg==] X-AnalysisOut: [:17 a=IgFoBzBjUZAA:10 a=zRKbQ67AAAAA:8 a=Yv7m3-RM_JIAoAG2N] X-AnalysisOut: [IIA:9 a=PA03WX8tBzeizutn5_OT:22] X-Spam: [F=0.2910797365; CM=0.500; S=0.291(2015072901)] X-MAIL-FROM: X-SOURCE-IP: [12.187.104.26] Subject: [dpdk-dev] [PATCH 2/4] net/sfc: sync link status knowledge with HW on start 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" Fixes: 215e8b89d8a8 ("net/sfc: implement device operation to retrieve link info") Signed-off-by: Andrew Rybchenko Reviewed-by: Andrew Lee --- drivers/net/sfc/sfc_port.c | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/drivers/net/sfc/sfc_port.c b/drivers/net/sfc/sfc_port.c index dc6ecdf..e2d8544 100644 --- a/drivers/net/sfc/sfc_port.c +++ b/drivers/net/sfc/sfc_port.c @@ -61,6 +61,27 @@ return 0; } +static int +sfc_port_init_dev_link(struct sfc_adapter *sa) +{ + struct rte_eth_link *dev_link = &sa->eth_dev->data->dev_link; + int rc; + efx_link_mode_t link_mode; + struct rte_eth_link current_link; + + rc = efx_port_poll(sa->nic, &link_mode); + if (rc != 0) + return rc; + + sfc_port_link_mode_to_info(link_mode, ¤t_link); + + EFX_STATIC_ASSERT(sizeof(*dev_link) == sizeof(rte_atomic64_t)); + rte_atomic64_set((rte_atomic64_t *)dev_link, + *(uint64_t *)¤t_link); + + return 0; +} + int sfc_port_start(struct sfc_adapter *sa) { @@ -129,9 +150,17 @@ if (rc != 0) goto fail_mac_drain; + /* Synchronize link status knowledge */ + rc = sfc_port_init_dev_link(sa); + if (rc != 0) + goto fail_port_init_dev_link; + sfc_log_init(sa, "done"); return 0; +fail_port_init_dev_link: + (void)efx_mac_drain(sa->nic, B_TRUE); + fail_mac_drain: (void)efx_mac_stats_periodic(sa->nic, &port->mac_stats_dma_mem, 0, B_FALSE);