[dpdk-dev] [PATCH] eventdev: fix internal event port logic in Rx event adapter
Jerin Jacob
jerin.jacob at caviumnetworks.com
Mon Jun 11 14:18:25 CEST 2018
-----Original Message-----
> Date: Sun, 3 Jun 2018 19:40:46 +0530
> From: Nikhil Rao <nikhil.rao at intel.com>
> To: jerin.jacob at caviumnetworks.com
> CC: dev at dpdk.org, Nikhil Rao <nikhil.rao at intel.com>, stable at dpdk.org
> Subject: [PATCH] eventdev: fix internal event port logic in Rx event adapter
> X-Mailer: git-send-email 1.8.3.1
>
> Set the internal_event_port flag when the ethdev-eventdev
> packet transfer is implemented in hardware and add a check
> for the flag to ignore the connection when setting up the
> WRR polling sequence.
>
> Fixes: 9c38b704d280 ("eventdev: add eth Rx adapter implementation")
> Signed-off-by: Nikhil Rao <nikhil.rao at intel.com>
> CC: stable at dpdk.org
Acked-by: Jerin Jacob <jerin.jacob at caviumnetworks.com>
Applied to dpdk-next-eventdev/master. Thanks.
> ---
> lib/librte_eventdev/rte_event_eth_rx_adapter.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/lib/librte_eventdev/rte_event_eth_rx_adapter.c b/lib/librte_eventdev/rte_event_eth_rx_adapter.c
> index 3a70058..d03f870 100644
> --- a/lib/librte_eventdev/rte_event_eth_rx_adapter.c
> +++ b/lib/librte_eventdev/rte_event_eth_rx_adapter.c
> @@ -224,6 +224,8 @@ static uint16_t gcd_u16(uint16_t a, uint16_t b)
> nb_rx_queues = dev_info->dev->data->nb_rx_queues;
> if (dev_info->rx_queue == NULL)
> continue;
> + if (dev_info->internal_event_port)
> + continue;
> for (q = 0; q < nb_rx_queues; q++) {
> struct eth_rx_queue_info *queue_info =
> &dev_info->rx_queue[q];
> @@ -1050,6 +1052,7 @@ static int add_rx_queue(struct rte_event_eth_rx_adapter *rx_adapter,
> &rte_eth_devices[eth_dev_id],
> rx_queue_id, queue_conf);
> if (ret == 0) {
> + dev_info->internal_event_port = 1;
> update_queue_info(rx_adapter,
> &rx_adapter->eth_devices[eth_dev_id],
> rx_queue_id,
> @@ -1057,6 +1060,7 @@ static int add_rx_queue(struct rte_event_eth_rx_adapter *rx_adapter,
> }
> } else {
> rte_spinlock_lock(&rx_adapter->rx_lock);
> + dev_info->internal_event_port = 0;
> ret = init_service(rx_adapter, id);
> if (ret == 0)
> ret = add_rx_queue(rx_adapter, eth_dev_id, rx_queue_id,
> --
> 1.8.3.1
>
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