From mboxrd@z Thu Jan 1 00:00:00 1970 From: Billy McFall Subject: [PATCH 3/3] driver: vHost support to free consumed buffers Date: Fri, 16 Dec 2016 07:48:51 -0500 Message-ID: <20161216124851.2640-4-bmcfall@redhat.com> References: <20161216124851.2640-1-bmcfall@redhat.com> Cc: dev@dpdk.org, Billy McFall To: thomas.monjalon@6wind.com, wenzhuo.lu@intel.com Return-path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by dpdk.org (Postfix) with ESMTP id E490A37B8 for ; Fri, 16 Dec 2016 13:48:58 +0100 (CET) In-Reply-To: <20161216124851.2640-1-bmcfall@redhat.com> List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Add support to the vHostdriver for the new API to force free consumed buffers on TX ring. vHost does not cache the mbufs so there is no work to do. Signed-off-by: Billy McFall --- drivers/net/vhost/rte_eth_vhost.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/net/vhost/rte_eth_vhost.c b/drivers/net/vhost/rte_eth_vhost.c index 766d4ef..6493d56 100644 --- a/drivers/net/vhost/rte_eth_vhost.c +++ b/drivers/net/vhost/rte_eth_vhost.c @@ -939,6 +939,16 @@ eth_queue_release(void *q) } static int +eth_tx_done_cleanup(void *txq __rte_unused, uint32_t free_cnt __rte_unused) +{ + /* + * vHost does not hang onto mbuf. eth_vhost_tx() copies packet data + * and releases mbuf, so nothing to cleanup. + */ + return 0; +} + +static int eth_link_update(struct rte_eth_dev *dev __rte_unused, int wait_to_complete __rte_unused) { @@ -979,6 +989,7 @@ static const struct eth_dev_ops ops = { .tx_queue_setup = eth_tx_queue_setup, .rx_queue_release = eth_queue_release, .tx_queue_release = eth_queue_release, + .tx_done_cleanup = eth_tx_done_cleanup, .link_update = eth_link_update, .stats_get = eth_stats_get, .stats_reset = eth_stats_reset, -- 2.9.3