Re: [dpdk-dev] [PATCH v6 5/6] enicpmd: DPDK-ENIC PMD interface

["Sujith Sankar (ssujith)" <ssujith@cisco.com>]

On 29/12/14 1:45 pm, "Wu, Jingjing" <jingjing.wu@intel.com> wrote:

>Hi, ssujith
>
>> +	.tx_queue_release     = enicpmd_dev_tx_queue_release,
>> +	.dev_led_on           = NULL,
>> +	.dev_led_off          = NULL,
>> +	.flow_ctrl_get        = NULL,
>> +	.flow_ctrl_set        = NULL,
>> +	.priority_flow_ctrl_set = NULL,
>> +	.mac_addr_add         = enicpmd_add_mac_addr,
>> +	.mac_addr_remove      = enicpmd_remove_mac_addr,
>> +	.fdir_add_signature_filter    = NULL,
>> +	.fdir_update_signature_filter = NULL,
>> +	.fdir_remove_signature_filter = NULL,
>> +	.fdir_infos_get               = enicpmd_fdir_info_get,
>> +	.fdir_add_perfect_filter      = enicpmd_fdir_add_perfect_filter,
>> +	.fdir_update_perfect_filter   = enicpmd_fdir_add_perfect_filter,
>> +	.fdir_remove_perfect_filter   = enicpmd_fdir_remove_perfect_filter,
>> +	.fdir_set_masks               = NULL,
>> +};
>> +
>
>I found that in perfect fdir is also supported in enic driver.
>
>During the R1.8 development, we defined a new dev_ops call filter_ctrl,
>which can be used to control kinds of filters, flow director is included
>too. Which is mentioned in
>http://www.dpdk.org/ml/archives/dev/2014-September/005179.html .
>In R1.8, filter_ctrl is only used by i40e driver. And we also planned use
>it in the existing ixgbe/e1000 driver in the next days. The old APIs such
>as fdir_add_perfect_filter, fdir_remove_perfect_filter can be replaced
>then.


Hi Jingjing,
Thanks for the info and the link.  I shall take a look at it.
It looks like bringing in one interface for all filter related operations.
 I believe ENIC should also move to it.

Thanks,
-Sujith

>
>So, do you have any plan to migrate the fdir in enic to the filter_ctrl
>API?
>
>Jingjing
>
>Thanks!
>
>> +struct enic *enicpmd_list_head = NULL;
>> +/* Initialize the driver
>> + * It returns 0 on success.
>> + */
>> +static int eth_enicpmd_dev_init(
>> +	__attribute__((unused))struct eth_driver *eth_drv,
>> +	struct rte_eth_dev *eth_dev)
>> +{
>> +	struct rte_pci_device *pdev;
>> +	struct rte_pci_addr *addr;
>> +	struct enic *enic = pmd_priv(eth_dev);
>> +
>> +	ENICPMD_FUNC_TRACE();
>> +
>> +	enic->rte_dev = eth_dev;
>> +	eth_dev->dev_ops = &enicpmd_eth_dev_ops;
>> +	eth_dev->rx_pkt_burst = &enicpmd_recv_pkts;
>> +	eth_dev->tx_pkt_burst = &enicpmd_xmit_pkts;
>> +
>> +	pdev = eth_dev->pci_dev;
>> +	enic->pdev = pdev;
>> +	addr = &pdev->addr;
>> +
>> +	snprintf(enic->bdf_name, ENICPMD_BDF_LENGTH,
>> "%04x:%02x:%02x.%x",
>> +		addr->domain, addr->bus, addr->devid, addr->function);
>> +
>> +	return enic_probe(enic);
>> +}
>> +
>> +static struct eth_driver rte_enic_pmd = {
>> +	{
>> +		.name = "rte_enic_pmd",
>> +		.id_table = pci_id_enic_map,
>> +		.drv_flags = RTE_PCI_DRV_NEED_MAPPING,
>> +	},
>> +	.eth_dev_init = eth_enicpmd_dev_init,
>> +	.dev_private_size = sizeof(struct enic), };
>> +
>> +/* Driver initialization routine.
>> + * Invoked once at EAL init time.
>> + * Register as the [Poll Mode] Driver of Cisco ENIC device.
>> + */
>> +int rte_enic_pmd_init(const char *name __rte_unused,
>> +	const char *params __rte_unused)
>> +{
>> +	ENICPMD_FUNC_TRACE();
>> +
>> +	rte_eth_driver_register(&rte_enic_pmd);
>> +	return 0;
>> +}
>> +
>> +static struct rte_driver rte_enic_driver = {
>> +	.type = PMD_PDEV,
>> +	.init = rte_enic_pmd_init,
>> +};
>> +
>> +PMD_REGISTER_DRIVER(rte_enic_driver);
>> +
>> --
>> 1.9.1
>