From: Ferruh Yigit <ferruh.yigit@intel.com>
To: Raslan Darawsheh <rasland@mellanox.com>, keith.wiles@intel.com
Cc: thomas@monjalon.net, dev@dpdk.org, shahafs@mellanox.com,
orika@mellanox.com
Subject: Re: [dpdk-dev] [PATCH v9 3/3] net/tap: allow secondary process to access primary device queues
Date: Thu, 18 Oct 2018 11:09:19 +0100 [thread overview]
Message-ID: <bd45f617-e925-6148-ca20-0765c87d211b@intel.com> (raw)
In-Reply-To: <1539850509-9332-3-git-send-email-rasland@mellanox.com>
On 10/18/2018 9:15 AM, Raslan Darawsheh wrote:
> @@ -2082,6 +2215,17 @@ rte_pmd_tap_probe(struct rte_vdev_device *dev)
> TAP_LOG(NOTICE, "Initializing pmd_tap for %s as %s",
> name, tap_name);
>
> + /* Register IPC feed callback */
> + if (!tap_devices_count) {
> + ret = rte_mp_action_register(TAP_MP_KEY, tap_mp_sync_queues);
> + if (ret < 0) {
> + TAP_LOG(ERR, "%s: Failed to register IPC callback: %s",
> + tuntap_name, strerror(rte_errno));
> + goto leave;
> + }
> + }
> + tap_devices_count++;
> + tap_devices_count_increased = 1;
> ret = eth_dev_tap_create(dev, tap_name, remote_iface, &user_mac,
> ETH_TUNTAP_TYPE_TAP);
>
> @@ -2089,6 +2233,11 @@ rte_pmd_tap_probe(struct rte_vdev_device *dev)
> if (ret == -1) {
> TAP_LOG(ERR, "Failed to create pmd for %s as %s",
> name, tap_name);
> + if (tap_devices_count_increased == 1) {
> + if (!tap_devices_count)
> + rte_mp_action_unregister(TAP_MP_KEY);
> + tap_devices_count--;
> + }
> tap_unit--; /* Restore the unit number */
> }
> rte_kvargs_free(kvlist);
Hi Raslan,
This is still wrong, please check the code snippet I have shared.
For first probe, if rte_mp_action_register() run successfully:
tap_devices_count++;
tap_devices_count_increased = 1;
later if eth_dev_tap_create() fails, following won't unregister:
if (!tap_devices_count)
rte_mp_action_unregister(TAP_MP_KEY);
next prev parent reply other threads:[~2018-10-18 10:09 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-10 14:39 [dpdk-dev] [PATCH v6 1/3] net/tap: add queue and port ids in Rx/Tx queues structures Raslan Darawsheh
2018-10-10 14:39 ` [dpdk-dev] [PATCH v6 2/3] net/tap: move fds of Rx/Tx queues to be in process private Raslan Darawsheh
2018-10-11 16:19 ` Ferruh Yigit
2018-10-16 10:07 ` Raslan Darawsheh
2018-10-16 11:24 ` Ferruh Yigit
2018-10-17 8:56 ` [dpdk-dev] [PATCH v7 1/3] net/tap: add queue and port ids in Rx/Tx queues structures Raslan Darawsheh
2018-10-17 8:56 ` [dpdk-dev] [PATCH v7 2/3] net/tap: move fds of Rx/Tx queues to be in process private Raslan Darawsheh
2018-10-17 8:56 ` [dpdk-dev] [PATCH v7 3/3] net/tap: allow secondary process to access primary device queues Raslan Darawsheh
2018-10-17 12:06 ` Ferruh Yigit
2018-10-17 14:46 ` Raslan Darawsheh
2018-10-17 14:45 ` [dpdk-dev] [PATCH v8 1/3] net/tap: add queue and port ids in Rx/Tx queues structures Raslan Darawsheh
2018-10-17 14:45 ` [dpdk-dev] [PATCH v8 2/3] net/tap: move fds of Rx/Tx queues to be in process private Raslan Darawsheh
2018-10-17 14:45 ` [dpdk-dev] [PATCH v8 3/3] net/tap: allow secondary process to access primary device queues Raslan Darawsheh
2018-10-17 16:02 ` Ferruh Yigit
2018-10-18 8:11 ` Raslan Darawsheh
2018-10-18 8:15 ` [dpdk-dev] [PATCH v9 1/3] net/tap: add queue and port ids in Rx/Tx queues structures Raslan Darawsheh
2018-10-18 8:15 ` [dpdk-dev] [PATCH v9 2/3] net/tap: move fds of Rx/Tx queues to be in process private Raslan Darawsheh
2018-10-18 8:15 ` [dpdk-dev] [PATCH v9 3/3] net/tap: allow secondary process to access primary device queues Raslan Darawsheh
2018-10-18 10:09 ` Ferruh Yigit [this message]
2018-10-18 10:17 ` [dpdk-dev] [PATCH v10 1/3] net/tap: add queue and port ids in Rx/Tx queues structures Raslan Darawsheh
2018-10-18 10:17 ` [dpdk-dev] [PATCH v10 2/3] net/tap: move fds of Rx/Tx queues to be in process private Raslan Darawsheh
2018-10-18 10:17 ` [dpdk-dev] [PATCH v10 3/3] net/tap: allow secondary process to access primary device queues Raslan Darawsheh
2018-10-18 11:22 ` [dpdk-dev] [PATCH v10 1/3] net/tap: add queue and port ids in Rx/Tx queues structures Ferruh Yigit
2018-10-18 12:56 ` Ferruh Yigit
2018-10-10 14:39 ` [dpdk-dev] [PATCH v6 3/3] net/tap: allow secondary process to access primary device queues Raslan Darawsheh
2018-10-11 16:32 ` Ferruh Yigit
2018-10-16 10:06 ` Raslan Darawsheh
2018-10-16 11:27 ` Ferruh Yigit
2018-10-17 6:54 ` Raslan Darawsheh
2018-10-17 7:59 ` Ferruh Yigit
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