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From: Thomas Monjalon <thomas.monjalon@6wind.com>
To: Bernard Iremonger <bernard.iremonger@intel.com>
Cc: dev@dpdk.org, rahul.r.shah@intel.com, wenzhuo.lu@intel.com,
	az5157@att.com, jerin.jacob@caviumnetworks.com
Subject: Re: [dpdk-dev] [PATCH v6 1/2] librte_ether: modify internal callback function
Date: Fri, 07 Oct 2016 14:29:42 +0200	[thread overview]
Message-ID: <1948203.6ATyv1RgPu@xps13> (raw)
In-Reply-To: <1475772490-10491-2-git-send-email-bernard.iremonger@intel.com>

2016-10-06 17:48, Bernard Iremonger:
> @@ -2508,7 +2508,7 @@ rte_eth_dev_callback_unregister(uint8_t port_id,
>  
>  void
>  _rte_eth_dev_callback_process(struct rte_eth_dev *dev,
> -	enum rte_eth_event_type event)
> +	enum rte_eth_event_type event, void *cb_arg)
>  {
>  	struct rte_eth_dev_callback *cb_lst;
>  	struct rte_eth_dev_callback dev_cb;
> @@ -2519,6 +2519,9 @@ _rte_eth_dev_callback_process(struct rte_eth_dev *dev,
>  			continue;
>  		dev_cb = *cb_lst;
>  		cb_lst->active = 1;
> +		if (cb_arg != NULL)
> +			dev_cb.cb_arg = (void *) cb_arg;
> +
>  		rte_spinlock_unlock(&rte_eth_dev_cb_lock);
>  		dev_cb.cb_fn(dev->data->port_id, dev_cb.event,
>  						dev_cb.cb_arg);
[...]
> @@ -3047,6 +3048,11 @@ typedef void (*rte_eth_dev_cb_fn)(uint8_t port_id, \
>   * @param cb_arg
>   *  Pointer to the parameters for the registered callback.
>   *
> + *  The cb_arg must not be NULL if the application requires
> + *  data to be returned when the callback is processed.
> + *  For the RTE_ETH_EVENT_VF_MBOX data is returned to the
> + *  application.

This comment is wrong.
You should say that the user data is overwritten in the case of
RTE_ETH_EVENT_VF_MBOX. And you should point to where the meaning
of this parameter is documented (ixgbe.h) or document it here.

  reply	other threads:[~2016-10-07 12:29 UTC|newest]

Thread overview: 64+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-09-30 15:45 [dpdk-dev] [PATCH v3 0/2] add callbacks for VF management Bernard Iremonger
2016-09-30 15:45 ` [dpdk-dev] [PATCH v3 1/2] librte_ether: add internal callback functions Bernard Iremonger
2016-10-02  9:12   ` Stephen Hemminger
2016-10-03 15:29     ` Iremonger, Bernard
2016-09-30 15:45 ` [dpdk-dev] [PATCH v3 2/2] net/ixgbe: add callback to user app on VF to PF mbox msg Bernard Iremonger
2016-10-04 14:52 ` [dpdk-dev] [PATCH v4 0/2] add callbacks for VF management Bernard Iremonger
2016-10-06 11:26   ` [dpdk-dev] [PATCH v5 00/13] modify callback " Bernard Iremonger
2016-10-06 16:48     ` [dpdk-dev] [PATCH v6 0/2] " Bernard Iremonger
2016-10-07 16:46       ` [dpdk-dev] [PATCH v7 " Bernard Iremonger
2016-10-07 22:52         ` Thomas Monjalon
2016-10-10 14:34         ` [dpdk-dev] [PATCH v8 " Bernard Iremonger
2016-10-14  0:07           ` Thomas Monjalon
2016-10-10 14:34         ` [dpdk-dev] [PATCH v8 1/2] librte_ether: modify internal callback function Bernard Iremonger
2016-10-10 14:34         ` [dpdk-dev] [PATCH v8 2/2] net/ixgbe: add callback to user app on VF to PF mbox msg Bernard Iremonger
2016-10-12 15:03         ` [dpdk-dev] [PATCH v8 0/2] add API's for VF management Bernard Iremonger
2016-10-12 17:54           ` [dpdk-dev] [PATCH v9 " Bernard Iremonger
2016-10-13 13:47             ` Bruce Richardson
2016-10-12 17:54           ` [dpdk-dev] [PATCH v9 1/2] net/ixgbe: " Bernard Iremonger
2016-10-12 17:54           ` [dpdk-dev] [PATCH v9 2/2] app/test_pmd: add tests for new API's Bernard Iremonger
2016-10-12 15:03         ` [dpdk-dev] [PATCH v8 1/2] net/ixgbe: add API's for VF management Bernard Iremonger
2016-10-12 15:03         ` [dpdk-dev] [PATCH v8 2/2] app/test_pmd: add tests for new API's Bernard Iremonger
2016-10-12 15:11           ` Thomas Monjalon
2016-10-12 15:27             ` Iremonger, Bernard
2016-10-12 15:36               ` Thomas Monjalon
2016-10-12 15:48                 ` Iremonger, Bernard
2016-10-12 16:06                   ` Thomas Monjalon
2016-10-12 16:21                     ` Iremonger, Bernard
2016-10-12 16:31                       ` Thomas Monjalon
2016-10-12 16:50                         ` Iremonger, Bernard
2016-10-12 17:20                           ` Iremonger, Bernard
2016-10-07 16:46       ` [dpdk-dev] [PATCH v7 1/2] librte_ether: modify internal callback function Bernard Iremonger
2016-10-07 16:46       ` [dpdk-dev] [PATCH v7 2/2] net/ixgbe: add callback to user app on VF to PF mbox msg Bernard Iremonger
2016-10-07 22:44         ` Thomas Monjalon
2016-10-10 14:31           ` Iremonger, Bernard
2016-10-06 16:48     ` [dpdk-dev] [PATCH v6 1/2] librte_ether: modify internal callback function Bernard Iremonger
2016-10-07 12:29       ` Thomas Monjalon [this message]
2016-10-07 16:57         ` Iremonger, Bernard
2016-10-06 16:48     ` [dpdk-dev] [PATCH v6 2/2] net/ixgbe: add callback to user app on VF to PF mbox msg Bernard Iremonger
2016-10-07 12:14       ` Thomas Monjalon
2016-10-07 12:19         ` Iremonger, Bernard
2016-10-06 11:26   ` [dpdk-dev] [PATCH v5 01/13] librte_ether: modify internal callback function Bernard Iremonger
2016-10-06 12:56     ` Thomas Monjalon
2016-10-06 14:33       ` Iremonger, Bernard
2016-10-06 14:56         ` Thomas Monjalon
2016-10-06 15:32           ` Iremonger, Bernard
2016-10-06 15:41             ` Thomas Monjalon
2016-10-06 15:45               ` Iremonger, Bernard
2016-10-06 11:26   ` [dpdk-dev] [PATCH v5 02/13] net/ixgbe: add callback to user app on VF to PF mbox msg Bernard Iremonger
2016-10-06 11:26   ` [dpdk-dev] [PATCH v5 03/13] app/test: add parameter to callback process function Bernard Iremonger
2016-10-06 11:26   ` [dpdk-dev] [PATCH v5 04/13] net/bonding: " Bernard Iremonger
2016-10-06 11:26   ` [dpdk-dev] [PATCH v5 05/13] net/e1000: " Bernard Iremonger
2016-10-06 11:26   ` [dpdk-dev] [PATCH v5 06/13] net/i40e: update call " Bernard Iremonger
2016-10-06 11:26   ` [dpdk-dev] [PATCH v5 07/13] net/mlx4: add parameter " Bernard Iremonger
2016-10-06 11:26   ` [dpdk-dev] [PATCH v5 08/13] net/mlx5: " Bernard Iremonger
2016-10-06 11:26   ` [dpdk-dev] [PATCH v5 09/13] net/nfp: " Bernard Iremonger
2016-10-06 11:26   ` [dpdk-dev] [PATCH v5 10/13] net/thunderx: " Bernard Iremonger
2016-10-06 11:26   ` [dpdk-dev] [PATCH v5 11/13] net/vhost: " Bernard Iremonger
2016-10-06 11:26   ` [dpdk-dev] [PATCH v5 12/13] net/virtio: " Bernard Iremonger
2016-10-06 11:26   ` [dpdk-dev] [PATCH v5 13/13] net/enic: " Bernard Iremonger
2016-10-04 14:52 ` [dpdk-dev] [PATCH v4 1/2] librte_ether: add internal callback functions Bernard Iremonger
2016-10-05 16:10   ` Thomas Monjalon
2016-10-05 17:04     ` Iremonger, Bernard
2016-10-05 17:19       ` Thomas Monjalon
2016-10-04 14:52 ` [dpdk-dev] [PATCH v4 2/2] net/ixgbe: add callback to user app on VF to PF mbox msg Bernard Iremonger

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