From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wang Xiao W Subject: [PATCH] fm10k: fix 2 bugs in rxtx_queue_disable and fm10k_dev_start Date: Fri, 31 Jul 2015 13:05:47 +0800 Message-ID: <1438319147-23633-1-git-send-email-xiao.w.wang@intel.com> Cc: Wang Xiao W To: dev@dpdk.org Return-path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by dpdk.org (Postfix) with ESMTP id C214BC6D8 for ; Fri, 31 Jul 2015 07:05:59 +0200 (CEST) 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" In Rx and Tx queue_disable functions, the index of queue should be qnum other than i which is the iteration of time expiration. When a Tx queue fails to start in fm10k_dev_start, all Rx queues and Tx queues that are started should be cleaned before the function returns an error. Signed-off-by: Wang Xiao W --- drivers/net/fm10k/fm10k_ethdev.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/net/fm10k/fm10k_ethdev.c b/drivers/net/fm10k/fm10k_ethdev.c index 902ccae..35f34bb 100644 --- a/drivers/net/fm10k/fm10k_ethdev.c +++ b/drivers/net/fm10k/fm10k_ethdev.c @@ -180,7 +180,7 @@ rx_queue_disable(struct fm10k_hw *hw, uint16_t qnum) /* Wait 100us at most */ for (i = 0; i < FM10K_QUEUE_DISABLE_TIMEOUT; i++) { rte_delay_us(1); - reg = FM10K_READ_REG(hw, FM10K_RXQCTL(i)); + reg = FM10K_READ_REG(hw, FM10K_RXQCTL(qnum)); if (!(reg & FM10K_RXQCTL_ENABLE)) break; } @@ -269,7 +269,7 @@ tx_queue_disable(struct fm10k_hw *hw, uint16_t qnum) /* Wait 100us at most */ for (i = 0; i < FM10K_QUEUE_DISABLE_TIMEOUT; i++) { rte_delay_us(1); - reg = FM10K_READ_REG(hw, FM10K_TXDCTL(i)); + reg = FM10K_READ_REG(hw, FM10K_TXDCTL(qnum)); if (!(reg & FM10K_TXDCTL_ENABLE)) break; } @@ -784,6 +784,9 @@ fm10k_dev_start(struct rte_eth_dev *dev) diag = fm10k_dev_tx_queue_start(dev, i); if (diag != 0) { int j; + for (j = 0; j < i; ++j) + tx_queue_clean(dev->data->tx_queues[j]); + for (j = 0; j < dev->data->nb_rx_queues; ++j) rx_queue_clean(dev->data->rx_queues[j]); return diag; -- 1.9.3