From patchwork Tue Nov 4 03:45:29 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tetsuya Mukawa X-Patchwork-Id: 1095 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 AD9907F70; Tue, 4 Nov 2014 04:37:22 +0100 (CET) Received: from mail-pd0-f171.google.com (mail-pd0-f171.google.com [209.85.192.171]) by dpdk.org (Postfix) with ESMTP id F128C5941 for ; Tue, 4 Nov 2014 04:37:15 +0100 (CET) Received: by mail-pd0-f171.google.com with SMTP id r10so12831571pdi.30 for ; Mon, 03 Nov 2014 19:46:32 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=RKHg3UCnSc2qg23ELUfqlA6NSY2Rompsf3Bn3cgVzwI=; b=nEGqC8ldE8KuCnsWPa92LUsalFFu7pUaRmTYjqxfVBIGtS2l9UPoDWkfpb9ge0zTos Fh15dCtS9VifljGNhW71QxhpiHAQrfaGkIve4AQ6rzDFRUGOs5lH6CirPrmSYSbK13oB k9Kr2dMS/aLe534npGg5d2+foF3fBzuyXSOqOgDva9RPgihrdzUrlBHg0WyLQiAzsLiK uqCIP5bv/D2v8ZY0NQLdue7z5RI0EK5k233G0oL6GnOeCTGuIXnrgptA/Jxm8qM1Bp0s GHzR8LBixc8VDsqojwX1+w81/EOYJYtVIw2yJOH+HFS6sGf9OTzw3F63oeBRkKR5GCgJ eIEg== X-Gm-Message-State: ALoCoQmlUnEjofYmpiXDkCMV6n4oPQpCcSfRuT8B+5RXN/BDxaSnnXWk0OluZOTt2c9UXEYvA4n5 X-Received: by 10.66.118.136 with SMTP id km8mr13861553pab.100.1415072792103; Mon, 03 Nov 2014 19:46:32 -0800 (PST) Received: from localhost.localdomain (napt.igel.co.jp. [219.106.231.132]) by mx.google.com with ESMTPSA id jc3sm18430580pbb.49.2014.11.03.19.46.30 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 03 Nov 2014 19:46:31 -0800 (PST) From: Tetsuya Mukawa To: dev@dpdk.org Date: Tue, 4 Nov 2014 12:45:29 +0900 Message-Id: <1415072748-31937-10-git-send-email-mukawa@igel.co.jp> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1415072748-31937-1-git-send-email-mukawa@igel.co.jp> References: <1414572576-21371-1-git-send-email-mukawa@igel.co.jp> <1415072748-31937-1-git-send-email-mukawa@igel.co.jp> Cc: nakajima.yoshihiro@lab.ntt.co.jp, masutani.hitoshi@lab.ntt.co.jp Subject: [dpdk-dev] [RFC PATCH v2 09/28] ethdev: Add rte_eth_dev_get_port_by_addr X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" The function returns a port identifier of a ethdev specified by pci address. Signed-off-by: Tetsuya Mukawa --- lib/librte_ether/rte_ethdev.c | 13 +++++++++++++ lib/librte_ether/rte_ethdev.h | 13 +++++++++++++ 2 files changed, 26 insertions(+) diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c index f59658a..48833f7 100644 --- a/lib/librte_ether/rte_ethdev.c +++ b/lib/librte_ether/rte_ethdev.c @@ -421,6 +421,19 @@ rte_eth_dev_get_addr_by_port(uint8_t port_id, struct rte_pci_addr *addr) return 0; } +int +rte_eth_dev_get_port_by_addr(struct rte_pci_addr *addr, uint8_t *port_id) +{ + struct rte_pci_addr *tmp; + + for (*port_id = 0; *port_id < RTE_MAX_ETHPORTS; (*port_id)++) { + tmp = &rte_eth_devices[*port_id].pci_dev->addr; + if (eal_compare_pci_addr(tmp, addr)) + return 0; + } + return -1; +} + static int rte_eth_dev_rx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues) { diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h index e87e7cc..8a9d1d5 100644 --- a/lib/librte_ether/rte_ethdev.h +++ b/lib/librte_ether/rte_ethdev.h @@ -1652,6 +1652,19 @@ extern int rte_eth_dev_get_addr_by_port( uint8_t port_id, struct rte_pci_addr *addr); /** + * Function for internal use by port hotplug functions. + * Returns a port identifier of a ethdev specified by pci address. + * @param addr + * The pointer to the pci address of the Ethernet device. + * @param port_id + * The pointer to the port identifier + * @return + * - 0 on success, negative on error + */ +extern int rte_eth_dev_get_port_by_addr( + struct rte_pci_addr *addr, uint8_t *port_id); + +/** * Function for internal use by dummy drivers primarily, e.g. ring-based * driver. * Allocates a new ethdev slot for an ethernet device and returns the pointer