From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by dpdk.org (Postfix) with ESMTP id 118777CFA for ; Fri, 8 Jun 2018 03:20:55 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga005.jf.intel.com ([10.7.209.41]) by orsmga101.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 07 Jun 2018 18:20:55 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.49,488,1520924400"; d="scan'208";a="230856627" Received: from dpdk-test32.sh.intel.com ([10.67.119.57]) by orsmga005.jf.intel.com with ESMTP; 07 Jun 2018 18:20:54 -0700 From: Marvin Liu To: maxime.coquelin@redhat.com, tiwei.bie@intel.com Cc: zhihong.wang@intel.com, dev@dpdk.org, Marvin Liu Date: Fri, 8 Jun 2018 17:07:20 +0800 Message-Id: <20180608090724.20855-4-yong.liu@intel.com> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180608090724.20855-1-yong.liu@intel.com> References: <20180608090724.20855-1-yong.liu@intel.com> Subject: [dpdk-dev] [PATCH 3/7] net/virtio-user: add mgr_rxbuf and in_order vdev parameters 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: , X-List-Received-Date: Fri, 08 Jun 2018 01:20:56 -0000 Add parameters for configuring VIRTIO_NET_F_MRG_RXBUF and VIRTIO_F_IN_ORDER feature bits. These two features bits will impact virtio data path selection. Signed-off-by: Marvin Liu diff --git a/drivers/net/virtio/virtio_user/virtio_user_dev.c b/drivers/net/virtio/virtio_user/virtio_user_dev.c index 4322527f2..03077731d 100644 --- a/drivers/net/virtio/virtio_user/virtio_user_dev.c +++ b/drivers/net/virtio/virtio_user/virtio_user_dev.c @@ -375,7 +375,8 @@ virtio_user_dev_setup(struct virtio_user_dev *dev) int virtio_user_dev_init(struct virtio_user_dev *dev, char *path, int queues, - int cq, int queue_size, const char *mac, char **ifname) + int cq, int queue_size, const char *mac, char **ifname, + int mrg_rxbuf, int in_order) { pthread_mutex_init(&dev->mutex, NULL); snprintf(dev->path, PATH_MAX, "%s", path); @@ -419,6 +420,12 @@ virtio_user_dev_init(struct virtio_user_dev *dev, char *path, int queues, dev->device_features = VIRTIO_USER_SUPPORTED_FEATURES; } + if (!mrg_rxbuf) + dev->device_features &= ~(1ull << VIRTIO_NET_F_MRG_RXBUF); + + if (!in_order) + dev->device_features &= ~(1ull << VIRTIO_F_IN_ORDER); + if (dev->mac_specified) dev->device_features |= (1ull << VIRTIO_NET_F_MAC); else diff --git a/drivers/net/virtio/virtio_user/virtio_user_dev.h b/drivers/net/virtio/virtio_user/virtio_user_dev.h index d2d4cb825..5b9b78c1f 100644 --- a/drivers/net/virtio/virtio_user/virtio_user_dev.h +++ b/drivers/net/virtio/virtio_user/virtio_user_dev.h @@ -47,7 +47,8 @@ int is_vhost_user_by_type(const char *path); int virtio_user_start_device(struct virtio_user_dev *dev); int virtio_user_stop_device(struct virtio_user_dev *dev); int virtio_user_dev_init(struct virtio_user_dev *dev, char *path, int queues, - int cq, int queue_size, const char *mac, char **ifname); + int cq, int queue_size, const char *mac, char **ifname, + int mrg_rxbuf, int in_order); void virtio_user_dev_uninit(struct virtio_user_dev *dev); void virtio_user_handle_cq(struct virtio_user_dev *dev, uint16_t queue_idx); uint8_t virtio_user_handle_mq(struct virtio_user_dev *dev, uint16_t q_pairs); diff --git a/drivers/net/virtio/virtio_user_ethdev.c b/drivers/net/virtio/virtio_user_ethdev.c index 1c102ca72..a0bcbc4f6 100644 --- a/drivers/net/virtio/virtio_user_ethdev.c +++ b/drivers/net/virtio/virtio_user_ethdev.c @@ -366,8 +366,12 @@ static const char *valid_args[] = { VIRTIO_USER_ARG_QUEUE_SIZE, #define VIRTIO_USER_ARG_INTERFACE_NAME "iface" VIRTIO_USER_ARG_INTERFACE_NAME, -#define VIRTIO_USER_ARG_SERVER_MODE "server" +#define VIRTIO_USER_ARG_SERVER_MODE "server" VIRTIO_USER_ARG_SERVER_MODE, +#define VIRTIO_USER_ARG_MRG_RXBUF "mrg_rxbuf" + VIRTIO_USER_ARG_MRG_RXBUF, +#define VIRTIO_USER_ARG_IN_ORDER "in_order" + VIRTIO_USER_ARG_IN_ORDER, NULL }; @@ -470,6 +474,8 @@ virtio_user_pmd_probe(struct rte_vdev_device *dev) uint64_t cq = VIRTIO_USER_DEF_CQ_EN; uint64_t queue_size = VIRTIO_USER_DEF_Q_SZ; uint64_t server_mode = VIRTIO_USER_DEF_SERVER_MODE; + uint64_t mrg_rxbuf = 1; + uint64_t in_order = 1; char *path = NULL; char *ifname = NULL; char *mac_addr = NULL; @@ -569,6 +575,24 @@ virtio_user_pmd_probe(struct rte_vdev_device *dev) goto end; } + if (rte_kvargs_count(kvlist, VIRTIO_USER_ARG_MRG_RXBUF) == 1) { + if (rte_kvargs_process(kvlist, VIRTIO_USER_ARG_MRG_RXBUF, + &get_integer_arg, &mrg_rxbuf) < 0) { + PMD_INIT_LOG(ERR, "error to parse %s", + VIRTIO_USER_ARG_MRG_RXBUF); + goto end; + } + } + + if (rte_kvargs_count(kvlist, VIRTIO_USER_ARG_IN_ORDER) == 1) { + if (rte_kvargs_process(kvlist, VIRTIO_USER_ARG_IN_ORDER, + &get_integer_arg, &in_order) < 0) { + PMD_INIT_LOG(ERR, "error to parse %s", + VIRTIO_USER_ARG_IN_ORDER); + goto end; + } + } + if (rte_eal_process_type() == RTE_PROC_PRIMARY) { struct virtio_user_dev *vu_dev; @@ -585,7 +609,8 @@ virtio_user_pmd_probe(struct rte_vdev_device *dev) else vu_dev->is_server = false; if (virtio_user_dev_init(hw->virtio_user_dev, path, queues, cq, - queue_size, mac_addr, &ifname) < 0) { + queue_size, mac_addr, &ifname, mrg_rxbuf, + in_order) < 0) { PMD_INIT_LOG(ERR, "virtio_user_dev_init fails"); virtio_user_eth_dev_free(eth_dev); goto end; @@ -663,4 +688,6 @@ RTE_PMD_REGISTER_PARAM_STRING(net_virtio_user, "cq= " "queue_size= " "queues= " - "iface="); + "iface=" + "mrg_rxbuf=<0|1>" + "in_order=<0|1>"); -- 2.17.0