From patchwork Mon Jan 20 17:05:19 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ivan Dyukov X-Patchwork-Id: 64976 X-Patchwork-Delegate: maxime.coquelin@redhat.com Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 17467A0526; Mon, 20 Jan 2020 18:11:13 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 85AA61BFC9; Mon, 20 Jan 2020 18:05:32 +0100 (CET) Received: from mailout2.w1.samsung.com (mailout2.w1.samsung.com [210.118.77.12]) by dpdk.org (Postfix) with ESMTP id D8B611BF80 for ; Mon, 20 Jan 2020 18:05:30 +0100 (CET) Received: from eucas1p1.samsung.com (unknown [182.198.249.206]) by mailout2.w1.samsung.com (KnoxPortal) with ESMTP id 20200120170530euoutp02e30a1485438ea110d8884b8291772e3d~rpzKoBQNX0444104441euoutp021 for ; Mon, 20 Jan 2020 17:05:30 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 mailout2.w1.samsung.com 20200120170530euoutp02e30a1485438ea110d8884b8291772e3d~rpzKoBQNX0444104441euoutp021 DKIM-Signature: v=1; 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Mon, 20 Jan 2020 17:05:29 +0000 (GMT) X-AuditID: cbfec7f5-a0fff7000001ed1a-11-5e25ddd9b60d Received: from eusmtip2.samsung.com ( [203.254.199.222]) by eusmgms1.samsung.com (EUCPMTA) with SMTP id 5A.66.08375.9DDD52E5; Mon, 20 Jan 2020 17:05:29 +0000 (GMT) Received: from idyukov.rnd.samsung.ru (unknown [106.109.129.29]) by eusmtip2.samsung.com (KnoxPortal) with ESMTPA id 20200120170529eusmtip234b8cd76c1629d0ba31f03b24255adad~rpzJcEjeN2293622936eusmtip27; Mon, 20 Jan 2020 17:05:29 +0000 (GMT) From: Ivan Dyukov To: dev@dpdk.org, maxime.coquelin@redhat.com, tiwei.bie@intel.com Cc: Ivan Dyukov Date: Mon, 20 Jan 2020 20:05:19 +0300 Message-Id: <20200120170520.24192-1-i.dyukov@samsung.com> X-Mailer: git-send-email 2.17.1 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrGIsWRmVeSWpSXmKPExsWy7djP87o376rGGfw/qGHx7tN2JotZl5rY LY517mGx2Nrwn8mBxePXgqWsHov3vGTyeL/vKptH35ZVjAEsUVw2Kak5mWWpRfp2CVwZ9+bu Zy1YI1ixee8H5gbGRr4uRg4OCQETiU09ZV2MnBxCAisYJQ5c8+1i5AKyvzBKTFjbxQrhfGaU aN7zmxGkCqThW+cUZojEckaJ69MXskA4XxklPm5dywRSxSagIXG6Yx4TyAoRAUeJFQ3MIGFm ATWJDz3vWUDCwgI2Eg3zfEHCLAKqEh2XT4CV8ApYSqyb+A9ql7zE6g0HwHZJCOxgkzi7uh0q 4SKx4usmJghbWOLV8S3sELaMxOnJPSwQdrXE903X2SGaOxgl7i1qhSqyl9jy+hw7yBHMApoS 63fpQ4QdJU6umM4ECRU+iRtvBSFO5pOYtG06M0SYV6KjTQiiWkniwMlLUGEJib+/eSBMD4nJ k3MhwRkrcW5aM9MERrlZCJsWMDKuYhRPLS3OTU8tNs5LLdcrTswtLs1L10vOz93ECIzt0/+O f93BuO9P0iFGAQ5GJR5eh2mqcUKsiWXFlbmHGCU4mJVEeBc0AYV4UxIrq1KL8uOLSnNSiw8x SnOwKInzGi96GSskkJ5YkpqdmlqQWgSTZeLglGpgdLq6Zv49JgGO8P96k7sM6nQ9clOvL/Kz +nR+p7ByfOzam95ZKxa/DHHZo/Gjb6+uwtOdxyNvyYvsOC/CfsZkyvFzhmGHVrEK5gf1q11q 3LuqXtyq9aCUvmZd68uFbYySwdunNK48euG03OJWi8QLH6969/p81ONqCnn1efqNYyHf/hfH ZV1rUGIpzkg01GIuKk4EAPbJ6grpAgAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrHLMWRmVeSWpSXmKPExsVy+t/xe7o376rGGazYKGHx7tN2JotZl5rY LY517mGx2Nrwn8mBxePXgqWsHov3vGTyeL/vKptH35ZVjAEsUXo2RfmlJakKGfnFJbZK0YYW RnqGlhZ6RiaWeobG5rFWRqZK+nY2Kak5mWWpRfp2CXoZ9+buZy1YI1ixee8H5gbGRr4uRk4O CQETiW+dU5i7GLk4hASWMkpcPDuftYuRAyghIfH6CTNEjbDEn2tdbCC2kMBnRomfp01BbDYB DYnTHfOYQMpFBFwlZvzUAQkzC6hJfOh5zwISFhawkWiY5wsSZhFQlei4fAJsIq+ApcS6if8Y IabLS6zecIB5AiPPAkaGVYwiqaXFuem5xYZ6xYm5xaV56XrJ+bmbGIFhte3Yz807GC9tDD7E KMDBqMTD6zBNNU6INbGsuDL3EKMEB7OSCO+CJqAQb0piZVVqUX58UWlOavEhRlOg5ROZpUST 84Ehn1cSb2hqaG5haWhubG5sZqEkztshcDBGSCA9sSQ1OzW1ILUIpo+Jg1OqgXFO97p/rzUc nt7NnVN92vIfy8SCz147uW5G/RQV+Gw3I7/dwe3M2qUfVhu2LCo8bWl1wpzplmZ2yGnrBLvH ed+53BjmCTsxfPhz+oaf68r8TzNfqviaVWtGzxROMn/ud5r/sICHUd6bqNPGBrxCrQHqntv8 6zWY9RK3ymvLrX4zM4bp0925ekosxRmJhlrMRcWJAMvt+wpBAgAA X-CMS-MailID: 20200120170529eucas1p2d319a567923ee26ba0bd34a122127fac X-Msg-Generator: CA X-RootMTR: 20200120170529eucas1p2d319a567923ee26ba0bd34a122127fac X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20200120170529eucas1p2d319a567923ee26ba0bd34a122127fac References: Subject: [dpdk-dev] [PATCH v2 1/2] net/virtio: refactor devargs parsing 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" refactor vdpa specific devargs parsing to more generic way Signed-off-by: Ivan Dyukov --- drivers/net/virtio/virtio_ethdev.c | 35 +++++++++++++++++++++--------- 1 file changed, 25 insertions(+), 10 deletions(-) diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c index 044eb10a7..22323d9a5 100644 --- a/drivers/net/virtio/virtio_ethdev.c +++ b/drivers/net/virtio/virtio_ethdev.c @@ -1955,16 +1955,18 @@ eth_virtio_dev_uninit(struct rte_eth_dev *eth_dev) } static int vdpa_check_handler(__rte_unused const char *key, - const char *value, __rte_unused void *opaque) + const char *value, void *ret_val) { - if (strcmp(value, "1")) - return -1; + if (strcmp(value, "1") == 0) + *(int *)ret_val = 1; + else + *(int *)ret_val = 0; return 0; } static int -vdpa_mode_selected(struct rte_devargs *devargs) +virtio_dev_devargs_parse(struct rte_devargs *devargs, int *vdpa) { struct rte_kvargs *kvlist; const char *key = "vdpa"; @@ -1980,12 +1982,16 @@ vdpa_mode_selected(struct rte_devargs *devargs) if (!rte_kvargs_count(kvlist, key)) goto exit; - /* vdpa mode selected when there's a key-value pair: vdpa=1 */ - if (rte_kvargs_process(kvlist, key, - vdpa_check_handler, NULL) < 0) { - goto exit; + if (vdpa) { + /* vdpa mode selected when there's a key-value pair: + * vdpa=1 + */ + ret = rte_kvargs_process(kvlist, key, + vdpa_check_handler, vdpa); + if (ret < 0) + goto exit; } - ret = 1; + exit: rte_kvargs_free(kvlist); @@ -1995,8 +2001,17 @@ vdpa_mode_selected(struct rte_devargs *devargs) static int eth_virtio_pci_probe(struct rte_pci_driver *pci_drv __rte_unused, struct rte_pci_device *pci_dev) { + int vdpa = 0; + int ret = 0; + + ret = virtio_dev_devargs_parse(pci_dev->device.devargs, &vdpa); + if (ret < 0) { + PMD_DRV_LOG(ERR, + "devargs parsing is failed"); + return ret; + } /* virtio pmd skips probe if device needs to work in vdpa mode */ - if (vdpa_mode_selected(pci_dev->device.devargs)) + if (vdpa == 1) return 1; return rte_eth_dev_pci_generic_probe(pci_dev, sizeof(struct virtio_hw), From patchwork Mon Jan 20 17:05:20 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ivan Dyukov X-Patchwork-Id: 64977 X-Patchwork-Delegate: maxime.coquelin@redhat.com Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 45C5BA0526; Mon, 20 Jan 2020 18:11:21 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 9C3621C123; Mon, 20 Jan 2020 18:05:34 +0100 (CET) Received: from mailout2.w1.samsung.com (mailout2.w1.samsung.com [210.118.77.12]) by dpdk.org (Postfix) with ESMTP id 893151BFCC for ; 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Mon, 20 Jan 2020 17:05:30 +0000 (GMT) From: Ivan Dyukov To: dev@dpdk.org, maxime.coquelin@redhat.com, tiwei.bie@intel.com Cc: Ivan Dyukov Date: Mon, 20 Jan 2020 20:05:20 +0300 Message-Id: <20200120170520.24192-2-i.dyukov@samsung.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200120170520.24192-1-i.dyukov@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrKIsWRmVeSWpSXmKPExsWy7djPc7q376rGGXz5pW3x7tN2JotZl5rY LY517mGx2Nrwn8mBxePXgqWsHov3vGTyeL/vKptH35ZVjAEsUVw2Kak5mWWpRfp2CVwZC/Y9 Yi94b1Dx5/FzpgbGDo0uRk4OCQETicMXljF3MXJxCAmsYJT4s/sIO0hCSOALo8StEzkQ9mdG ib591jAN885tZIRoWM4ocXftcxYI5yujxJfNq8C62QQ0JE53zGPqYuTgEBFwlFjRwAwSZhZQ k/jQ854FxBYWsJRoOrACzGYRUJW49f8jWA0vUPzthcOMEMvkJVZvOAAW5xSwkuiY8gxssYTA ZTaJ02/7WCGKXCRe7F4NZQtLvDq+hR3ClpE4PbmHBcKulvi+6To7RHMHo8S9Ra1QRfYSW16f Ywc5lFlAU2L9Ln2IsKPEwUWv2EDCEgJ8EjfeCkLczycxadt0Zogwr0RHmxBEtZLEgZOXoMIS En9/80CEPSRmbWqHBlUvo8T+d++ZJzDKz0LYtYCRcRWjeGppcW56arFRXmq5XnFibnFpXrpe cn7uJkZg5J/+d/zLDsZdf5IOMQpwMCrx8L6YrBonxJpYVlyZe4hRgoNZSYR3QRNQiDclsbIq tSg/vqg0J7X4EKM0B4uSOK/xopexQgLpiSWp2ampBalFMFkmDk6pBsY1Pw4fP5Jjx7H9pmrH Eb/fS6N0rquc3b3YkOnUwWuhjjW/Xdcy+GkoZficdEt98GzKhw122XlTU69zdUlPuG4yk8+5 1jVm8cxH4sEuUuVduhpeAsEvP33Pb5k8XcLx3mm2vL3t/cHnKy++u2Ff1jo/1DV0dXHNroPl k96KBVdnsLrc+Ma2N1eJpTgj0VCLuag4EQBmsAM9+AIAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrBLMWRmVeSWpSXmKPExsVy+t/xe7q376rGGexfK2bx7tN2JotZl5rY LY517mGx2Nrwn8mBxePXgqWsHov3vGTyeL/vKptH35ZVjAEsUXo2RfmlJakKGfnFJbZK0YYW RnqGlhZ6RiaWeobG5rFWRqZK+nY2Kak5mWWpRfp2CXoZC/Y9Yi94b1Dx5/FzpgbGDo0uRk4O CQETiXnnNjJ2MXJxCAksZZRY236QqYuRAyghIfH6CTNEjbDEn2tdbBA1nxklVs07zQSSYBPQ kDjdMQ+sXkTAVWLGTx2QMLOAmsSHnvcsILawgKVE04EVYDaLgKrErf8fwWbyAsXfXjjMCDFf XmL1hgNgcU4BK4mOKc/A4kJANc3nNrBPYORbwMiwilEktbQ4Nz232FCvODG3uDQvXS85P3cT IzAUtx37uXkH46WNwYcYBTgYlXh4HaapxgmxJpYVV+YeYpTgYFYS4V3QBBTiTUmsrEotyo8v Ks1JLT7EaAp01ERmKdHkfGCc5JXEG5oamltYGpobmxubWSiJ83YIHIwREkhPLEnNTk0tSC2C 6WPi4JRqYPT+G6WUbnKjXcFrE5O63fYZm/rKwt/MLtbN7Vt5QTFvw9VF0vmXljYmN/OcTU5T urXgaPIF66yzs3YvuuLFva9Y08jm7togK+3JDz/OaMu5dF5oykvFWSX3c5amPry+mZPtx7Vq y+0/WX7fFGqLmT/vnecy857gRKm261+FU0TOXnxlf2fbwVlKLMUZiYZazEXFiQA2RUWVWwIA AA== X-CMS-MailID: 20200120170531eucas1p218252a80fbf9252baf21921f8c72fe82 X-Msg-Generator: CA X-RootMTR: 20200120170531eucas1p218252a80fbf9252baf21921f8c72fe82 X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20200120170531eucas1p218252a80fbf9252baf21921f8c72fe82 References: <20200120170520.24192-1-i.dyukov@samsung.com> Subject: [dpdk-dev] [PATCH v2 2/2] net/virtio: add link speed devarg 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" Some applications like pktgen use link_speed to calculate transmit rate. It limits outcome traffic to hardcoded 10G. This patch adds link_speed devarg which allows to configure link_speed of virtio device. Signed-off-by: Ivan Dyukov --- drivers/net/virtio/virtio_ethdev.c | 101 ++++++++++++++++++++++++----- drivers/net/virtio/virtio_pci.h | 1 + 2 files changed, 85 insertions(+), 17 deletions(-) diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c index 22323d9a5..5ef3c11a7 100644 --- a/drivers/net/virtio/virtio_ethdev.c +++ b/drivers/net/virtio/virtio_ethdev.c @@ -45,6 +45,10 @@ static int virtio_dev_promiscuous_enable(struct rte_eth_dev *dev); static int virtio_dev_promiscuous_disable(struct rte_eth_dev *dev); static int virtio_dev_allmulticast_enable(struct rte_eth_dev *dev); static int virtio_dev_allmulticast_disable(struct rte_eth_dev *dev); +static uint32_t virtio_dev_speed_capa_get(uint32_t link_speed); +static int virtio_dev_devargs_parse(struct rte_devargs *devargs, + int *vdpa, + uint32_t *link_speed); static int virtio_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info); static int virtio_dev_link_update(struct rte_eth_dev *dev, @@ -1861,6 +1865,7 @@ int eth_virtio_dev_init(struct rte_eth_dev *eth_dev) { struct virtio_hw *hw = eth_dev->data->dev_private; + uint32_t link_speed = ETH_SPEED_NUM_10G; int ret; if (sizeof(struct virtio_net_hdr_mrg_rxbuf) > RTE_PKTMBUF_HEADROOM) { @@ -1886,7 +1891,11 @@ eth_virtio_dev_init(struct rte_eth_dev *eth_dev) return 0; } - + ret = virtio_dev_devargs_parse(eth_dev->device->devargs, + NULL, &link_speed); + if (ret < 0) + return ret; + hw->link_speed = link_speed; /* * Pass the information to the rte_eth_dev_close() that it should also * release the private port resources. @@ -1953,6 +1962,14 @@ eth_virtio_dev_uninit(struct rte_eth_dev *eth_dev) return 0; } +#define VIRTIO_ARG_LINK_SPEED "link_speed" +#define VIRTIO_ARG_VDPA "vdpa" + +static const char * const valid_args[] = { + VIRTIO_ARG_LINK_SPEED, + VIRTIO_ARG_VDPA, + NULL +}; static int vdpa_check_handler(__rte_unused const char *key, const char *value, void *ret_val) @@ -1965,33 +1982,84 @@ static int vdpa_check_handler(__rte_unused const char *key, return 0; } + +static uint32_t +virtio_dev_speed_capa_get(uint32_t link_speed) +{ + switch (link_speed) { + case ETH_SPEED_NUM_10G: + return ETH_LINK_SPEED_10G; + case ETH_SPEED_NUM_20G: + return ETH_LINK_SPEED_20G; + case ETH_SPEED_NUM_25G: + return ETH_LINK_SPEED_25G; + case ETH_SPEED_NUM_40G: + return ETH_LINK_SPEED_40G; + case ETH_SPEED_NUM_50G: + return ETH_LINK_SPEED_50G; + case ETH_SPEED_NUM_56G: + return ETH_LINK_SPEED_56G; + case ETH_SPEED_NUM_100G: + return ETH_LINK_SPEED_100G; + default: + return 0; + } +} + +static int link_speed_handler(const char *key __rte_unused, + const char *value, void *ret_val) +{ + uint32_t val; + if (!value || !ret_val) + return -EINVAL; + val = strtoul(value, NULL, 0); + /* validate input */ + if (virtio_dev_speed_capa_get(val) == 0) + return -EINVAL; + *(uint32_t *)ret_val = val; + + return 0; +} + + static int -virtio_dev_devargs_parse(struct rte_devargs *devargs, int *vdpa) +virtio_dev_devargs_parse(struct rte_devargs *devargs, int *vdpa, + uint32_t *link_speed) { struct rte_kvargs *kvlist; - const char *key = "vdpa"; int ret = 0; if (devargs == NULL) return 0; - kvlist = rte_kvargs_parse(devargs->args, NULL); - if (kvlist == NULL) + kvlist = rte_kvargs_parse(devargs->args, valid_args); + if (kvlist == NULL) { + PMD_INIT_LOG(ERR, "error when parsing param"); return 0; - - if (!rte_kvargs_count(kvlist, key)) - goto exit; - - if (vdpa) { + } + if (vdpa && rte_kvargs_count(kvlist, VIRTIO_ARG_VDPA) == 1) { /* vdpa mode selected when there's a key-value pair: * vdpa=1 */ - ret = rte_kvargs_process(kvlist, key, + ret = rte_kvargs_process(kvlist, VIRTIO_ARG_VDPA, vdpa_check_handler, vdpa); - if (ret < 0) + if (ret < 0) { + PMD_INIT_LOG(ERR, "error to parse %s", + VIRTIO_ARG_VDPA); goto exit; + } + } + if (link_speed && + rte_kvargs_count(kvlist, VIRTIO_ARG_LINK_SPEED) == 1) { + ret = rte_kvargs_process(kvlist, + VIRTIO_ARG_LINK_SPEED, + link_speed_handler, link_speed); + if (ret < 0) { + PMD_INIT_LOG(ERR, "error to parse %s", + VIRTIO_ARG_LINK_SPEED); + goto exit; + } } - exit: rte_kvargs_free(kvlist); @@ -2004,7 +2072,7 @@ static int eth_virtio_pci_probe(struct rte_pci_driver *pci_drv __rte_unused, int vdpa = 0; int ret = 0; - ret = virtio_dev_devargs_parse(pci_dev->device.devargs, &vdpa); + ret = virtio_dev_devargs_parse(pci_dev->device.devargs, &vdpa, NULL); if (ret < 0) { PMD_DRV_LOG(ERR, "devargs parsing is failed"); @@ -2386,7 +2454,7 @@ virtio_dev_link_update(struct rte_eth_dev *dev, __rte_unused int wait_to_complet memset(&link, 0, sizeof(link)); link.link_duplex = ETH_LINK_FULL_DUPLEX; - link.link_speed = ETH_SPEED_NUM_10G; + link.link_speed = hw->link_speed; link.link_autoneg = ETH_LINK_FIXED; if (!hw->started) { @@ -2441,8 +2509,7 @@ virtio_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info) { uint64_t tso_mask, host_features; struct virtio_hw *hw = dev->data->dev_private; - - dev_info->speed_capa = ETH_LINK_SPEED_10G; /* fake value */ + dev_info->speed_capa = virtio_dev_speed_capa_get(hw->link_speed); dev_info->max_rx_queues = RTE_MIN(hw->max_queue_pairs, VIRTIO_MAX_RX_QUEUES); diff --git a/drivers/net/virtio/virtio_pci.h b/drivers/net/virtio/virtio_pci.h index a38cb45ad..688eda914 100644 --- a/drivers/net/virtio/virtio_pci.h +++ b/drivers/net/virtio/virtio_pci.h @@ -253,6 +253,7 @@ struct virtio_hw { uint16_t port_id; uint8_t mac_addr[RTE_ETHER_ADDR_LEN]; uint32_t notify_off_multiplier; + uint32_t link_speed; /* link speed in MB */ uint8_t *isr; uint16_t *notify_base; struct virtio_pci_common_cfg *common_cfg;