From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id E0CF3A2EEB for ; Thu, 12 Sep 2019 18:46:33 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id E27ED1EFF1; Thu, 12 Sep 2019 18:44:18 +0200 (CEST) Received: from dispatch1-us1.ppe-hosted.com (dispatch1-us1.ppe-hosted.com [67.231.154.164]) by dpdk.org (Postfix) with ESMTP id A4D481EDC2 for ; Thu, 12 Sep 2019 18:43:31 +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-us5.ppe-hosted.com (PPE Hosted ESMTP Server) with ESMTPS id 8A4C84C005B; Thu, 12 Sep 2019 16:43:27 +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; Thu, 12 Sep 2019 09:43:20 -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; Thu, 12 Sep 2019 09:43:19 -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 x8CGhIrA023661; Thu, 12 Sep 2019 17:43:18 +0100 Received: from ukv-loginhost.uk.solarflarecom.com (localhost [127.0.0.1]) by ukv-loginhost.uk.solarflarecom.com (Postfix) with ESMTP id 3FC681613D1; Thu, 12 Sep 2019 17:43:18 +0100 (BST) From: Andrew Rybchenko To: Neil Horman , John McNamara , Marko Kovacevic , Thomas Monjalon , Ferruh Yigit CC: , Ivan Ilchenko Date: Thu, 12 Sep 2019 17:42:13 +0100 Message-ID: <1568306586-27831-3-git-send-email-arybchenko@solarflare.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1568306586-27831-1-git-send-email-arybchenko@solarflare.com> References: <1566915962-5472-1-git-send-email-arybchenko@solarflare.com> <1568306586-27831-1-git-send-email-arybchenko@solarflare.com> MIME-Version: 1.0 Content-Type: text/plain X-TM-AS-Product-Ver: SMEX-12.5.0.1300-8.5.1010-24906.005 X-TM-AS-Result: No-3.786200-4.000000-10 X-TMASE-MatchedRID: PWEX7fwPCmkjdXbalIVNEomfV7NNMGm+p56t1EEQ41ps98Z8fG/6kX1p a9OL1UpKopQtjaUqZfsokSiKFlVT4FWv6mJ+J+GWnMQdNQ64xfdp4xorO9dSmUbtou1PeiP7jBY hGYtVarncfOMNoN/HOHDlPghqPnfyYlldA0POS1IUaS/iLVoC5iposqyRzYdysS0sZEB7c8aBlT +jl6FrYeBizFzQ56dqbCQwkS4chiFOXYgmvJXVIR3EEAbn+GRbzv7O27to65G7qpOHKudqczqbU Scd8LfuYswx2F7IyjL9JAruGboUfLSitj/i0au7yf21YeIsPYYApu/OILCbuKlTFDGZMPhCHixC Zq+8CAbjz+kMWHc489wukdpIGociuIonElFF+KGKYdYQLbymTW9Xf86cwKVasmVlbMRg3EB1gne kL1c23te4W7CusDAFpCwSwX6TlV9f29P9XEzmnw97mDMXdNW3fo0lncdGFFPTw2a/YIcpANinG8 HUdKCn5ay2xQhNcKxNz/zGGCJXGBmRKwimRosilTsGW3DmpUt9LQinZ4QefPcjNeVeWlqY+gtHj 7OwNO1J4MCrOTno5xKAXQdqdwBMn+Yp9dIXVxgUKD8gYHfpgfocQRwWsXmoaJqi6SBl+0LSG8W4 iIKw9A2sJsjto/U8TaWaROYN4uLDeL5sa5ejA9pAu0sLxpSoQ8G+yYJYYdZRZDsGiXQioL4jxKn HJRLcwL6SxPpr1/I= X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--3.786200-4.000000 X-TMASE-Version: SMEX-12.5.0.1300-8.5.1010-24906.005 X-MDID: 1568306608-Jar3dDeIjyAF Subject: [dpdk-dev] [PATCH v4 02/54] ethdev: change rte_eth_dev_info_get() return value to int 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: Ivan Ilchenko Change rte_eth_dev_info_get() return value from void to int and return negative errno values in case of error conditions. Modify rte_eth_dev_info_get() usage across the ethdev according to new return type. Signed-off-by: Ivan Ilchenko Signed-off-by: Andrew Rybchenko Reviewed-by: Ferruh Yigit --- doc/guides/rel_notes/deprecation.rst | 1 - doc/guides/rel_notes/release_19_11.rst | 5 +- lib/librte_ethdev/rte_ethdev.c | 69 ++++++++++++++++++-------- lib/librte_ethdev/rte_ethdev.h | 6 ++- 4 files changed, 57 insertions(+), 24 deletions(-) diff --git a/doc/guides/rel_notes/deprecation.rst b/doc/guides/rel_notes/deprecation.rst index 0ee8533b1..cbb4c34ef 100644 --- a/doc/guides/rel_notes/deprecation.rst +++ b/doc/guides/rel_notes/deprecation.rst @@ -88,7 +88,6 @@ Deprecation Notices negative errno values to indicate various error conditions (e.g. invalid port ID, unsupported operation, failed operation): - - ``rte_eth_dev_info_get`` - ``rte_eth_promiscuous_enable`` and ``rte_eth_promiscuous_disable`` - ``rte_eth_allmulticast_enable`` and ``rte_eth_allmulticast_disable`` - ``rte_eth_link_get`` and ``rte_eth_link_get_nowait`` diff --git a/doc/guides/rel_notes/release_19_11.rst b/doc/guides/rel_notes/release_19_11.rst index 66297d8f3..c8d97f16e 100644 --- a/doc/guides/rel_notes/release_19_11.rst +++ b/doc/guides/rel_notes/release_19_11.rst @@ -94,6 +94,9 @@ API Changes Also, make sure to start the actual text at the margin. ========================================================= +* ethdev: changed ``rte_eth_dev_infos_get`` return value from ``void`` to + ``int`` to provide a way to report various error conditions. + ABI Changes ----------- @@ -145,7 +148,7 @@ The libraries prepended with a plus sign were incremented in this version. librte_distributor.so.1 librte_eal.so.11 librte_efd.so.1 - librte_ethdev.so.12 + + librte_ethdev.so.13 librte_eventdev.so.7 librte_flow_classify.so.1 librte_gro.so.1 diff --git a/lib/librte_ethdev/rte_ethdev.c b/lib/librte_ethdev/rte_ethdev.c index 17d183e1f..42b1d6e30 100644 --- a/lib/librte_ethdev/rte_ethdev.c +++ b/lib/librte_ethdev/rte_ethdev.c @@ -1125,7 +1125,6 @@ rte_eth_dev_configure(uint16_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q, dev = &rte_eth_devices[port_id]; - RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP); RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP); if (dev->data->dev_started) { @@ -1144,7 +1143,9 @@ rte_eth_dev_configure(uint16_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q, */ memcpy(&dev->data->dev_conf, dev_conf, sizeof(dev->data->dev_conf)); - rte_eth_dev_info_get(port_id, &dev_info); + ret = rte_eth_dev_info_get(port_id, &dev_info); + if (ret != 0) + goto rollback; /* If number of queues specified by application for both Rx and Tx is * zero, use driver preferred values. This cannot be done individually @@ -1406,6 +1407,7 @@ rte_eth_dev_start(uint16_t port_id) struct rte_eth_dev *dev; struct rte_eth_dev_info dev_info; int diag; + int ret; RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL); @@ -1420,7 +1422,9 @@ rte_eth_dev_start(uint16_t port_id) return 0; } - rte_eth_dev_info_get(port_id, &dev_info); + ret = rte_eth_dev_info_get(port_id, &dev_info); + if (ret != 0) + return ret; /* Lets restore MAC now if device does not support live change */ if (*dev_info.dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR) @@ -1584,7 +1588,6 @@ rte_eth_rx_queue_setup(uint16_t port_id, uint16_t rx_queue_id, return -EINVAL; } - RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP); RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_setup, -ENOTSUP); /* @@ -1592,7 +1595,10 @@ rte_eth_rx_queue_setup(uint16_t port_id, uint16_t rx_queue_id, * This value must be provided in the private data of the memory pool. * First check that the memory pool has a valid private data. */ - rte_eth_dev_info_get(port_id, &dev_info); + ret = rte_eth_dev_info_get(port_id, &dev_info); + if (ret != 0) + return ret; + if (mp->private_data_size < sizeof(struct rte_pktmbuf_pool_private)) { RTE_ETHDEV_LOG(ERR, "%s private_data_size %d < %d\n", mp->name, (int)mp->private_data_size, @@ -1703,6 +1709,7 @@ rte_eth_tx_queue_setup(uint16_t port_id, uint16_t tx_queue_id, struct rte_eth_dev_info dev_info; struct rte_eth_txconf local_conf; void **txq; + int ret; RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL); @@ -1712,10 +1719,11 @@ rte_eth_tx_queue_setup(uint16_t port_id, uint16_t tx_queue_id, return -EINVAL; } - RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP); RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_setup, -ENOTSUP); - rte_eth_dev_info_get(port_id, &dev_info); + ret = rte_eth_dev_info_get(port_id, &dev_info); + if (ret != 0) + return ret; /* Use default specified by driver, if nb_tx_desc is zero */ if (nb_tx_desc == 0) { @@ -2540,7 +2548,7 @@ rte_eth_dev_fw_version_get(uint16_t port_id, char *fw_version, size_t fw_size) fw_version, fw_size)); } -void +int rte_eth_dev_info_get(uint16_t port_id, struct rte_eth_dev_info *dev_info) { struct rte_eth_dev *dev; @@ -2558,7 +2566,7 @@ rte_eth_dev_info_get(uint16_t port_id, struct rte_eth_dev_info *dev_info) */ memset(dev_info, 0, sizeof(struct rte_eth_dev_info)); - RTE_ETH_VALID_PORTID_OR_RET(port_id); + RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV); dev = &rte_eth_devices[port_id]; dev_info->rx_desc_lim = lim; @@ -2567,13 +2575,15 @@ rte_eth_dev_info_get(uint16_t port_id, struct rte_eth_dev_info *dev_info) dev_info->min_mtu = RTE_ETHER_MIN_MTU; dev_info->max_mtu = UINT16_MAX; - RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_infos_get); + RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP); (*dev->dev_ops->dev_infos_get)(dev, dev_info); dev_info->driver_name = dev->device->driver->name; dev_info->nb_rx_queues = dev->data->nb_rx_queues; dev_info->nb_tx_queues = dev->data->nb_tx_queues; dev_info->dev_flags = &dev->data->dev_flags; + + return 0; } int @@ -2643,7 +2653,10 @@ rte_eth_dev_set_mtu(uint16_t port_id, uint16_t mtu) * which relies on dev->dev_ops->dev_infos_get. */ if (*dev->dev_ops->dev_infos_get != NULL) { - rte_eth_dev_info_get(port_id, &dev_info); + ret = rte_eth_dev_info_get(port_id, &dev_info); + if (ret != 0) + return ret; + if (mtu < dev_info.min_mtu || mtu > dev_info.max_mtu) return -EINVAL; } @@ -2991,10 +3004,15 @@ rte_eth_dev_rss_hash_update(uint16_t port_id, { struct rte_eth_dev *dev; struct rte_eth_dev_info dev_info = { .flow_type_rss_offloads = 0, }; + int ret; RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV); + + ret = rte_eth_dev_info_get(port_id, &dev_info); + if (ret != 0) + return ret; + dev = &rte_eth_devices[port_id]; - rte_eth_dev_info_get(port_id, &dev_info); if ((dev_info.flow_type_rss_offloads | rss_conf->rss_hf) != dev_info.flow_type_rss_offloads) { RTE_ETHDEV_LOG(ERR, @@ -3100,9 +3118,11 @@ get_mac_addr_index(uint16_t port_id, const struct rte_ether_addr *addr) struct rte_eth_dev_info dev_info; struct rte_eth_dev *dev = &rte_eth_devices[port_id]; unsigned i; + int ret; - RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV); - rte_eth_dev_info_get(port_id, &dev_info); + ret = rte_eth_dev_info_get(port_id, &dev_info); + if (ret != 0) + return -1; for (i = 0; i < dev_info.max_mac_addrs; i++) if (memcmp(addr, &dev->data->mac_addrs[i], @@ -3233,8 +3253,12 @@ get_hash_mac_addr_index(uint16_t port_id, const struct rte_ether_addr *addr) struct rte_eth_dev_info dev_info; struct rte_eth_dev *dev = &rte_eth_devices[port_id]; unsigned i; + int ret; + + ret = rte_eth_dev_info_get(port_id, &dev_info); + if (ret != 0) + return -1; - rte_eth_dev_info_get(port_id, &dev_info); if (!dev->data->hash_mac_addrs) return -1; @@ -3319,11 +3343,15 @@ int rte_eth_set_queue_rate_limit(uint16_t port_id, uint16_t queue_idx, struct rte_eth_dev *dev; struct rte_eth_dev_info dev_info; struct rte_eth_link link; + int ret; RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV); + ret = rte_eth_dev_info_get(port_id, &dev_info); + if (ret != 0) + return ret; + dev = &rte_eth_devices[port_id]; - rte_eth_dev_info_get(port_id, &dev_info); link = dev->data->dev_link; if (queue_idx > dev_info.max_tx_queues) { @@ -4363,15 +4391,14 @@ rte_eth_dev_adjust_nb_rx_tx_desc(uint16_t port_id, uint16_t *nb_rx_desc, uint16_t *nb_tx_desc) { - struct rte_eth_dev *dev; struct rte_eth_dev_info dev_info; + int ret; RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV); - dev = &rte_eth_devices[port_id]; - RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP); - - rte_eth_dev_info_get(port_id, &dev_info); + ret = rte_eth_dev_info_get(port_id, &dev_info); + if (ret != 0) + return ret; if (nb_rx_desc != NULL) rte_eth_dev_adjust_nb_desc(nb_rx_desc, &dev_info.rx_desc_lim); diff --git a/lib/librte_ethdev/rte_ethdev.h b/lib/librte_ethdev/rte_ethdev.h index d9871782e..475dbdae1 100644 --- a/lib/librte_ethdev/rte_ethdev.h +++ b/lib/librte_ethdev/rte_ethdev.h @@ -2366,8 +2366,12 @@ void rte_eth_macaddr_get(uint16_t port_id, struct rte_ether_addr *mac_addr); * @param dev_info * A pointer to a structure of type *rte_eth_dev_info* to be filled with * the contextual information of the Ethernet device. + * @return + * - (0) if successful. + * - (-ENOTSUP) if support for dev_infos_get() does not exist for the device. + * - (-ENODEV) if *port_id* invalid. */ -void rte_eth_dev_info_get(uint16_t port_id, struct rte_eth_dev_info *dev_info); +int rte_eth_dev_info_get(uint16_t port_id, struct rte_eth_dev_info *dev_info); /** * Retrieve the firmware version of a device. -- 2.17.1