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From: "Hunt, David" <david.hunt@intel.com>
To: "Wu, Jingjing" <jingjing.wu@intel.com>, "dev@dpdk.org" <dev@dpdk.org>
Cc: "Marjanovic, Nemanja" <nemanja.marjanovic@intel.com>,
	"Sexton, Rory" <rory.sexton@intel.com>
Subject: Re: [dpdk-dev] [PATCH v1 01/10] net/i40e: add API to convert VF Id to PF Id
Date: Mon, 25 Sep 2017 10:57:42 +0100	[thread overview]
Message-ID: <b798525e-aa8b-929f-22dc-655961f51856@intel.com> (raw)
In-Reply-To: <9BB6961774997848B5B42BEC655768F810E7C7D3@SHSMSX103.ccr.corp.intel.com>


On 25/9/2017 3:43 AM, Wu, Jingjing wrote:
>
>> -----Original Message-----
>> From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of David Hunt
>> Sent: Saturday, August 26, 2017 12:02 AM
>> To: dev@dpdk.org
>> Cc: Hunt, David <david.hunt@intel.com>; Marjanovic, Nemanja
>> <nemanja.marjanovic@intel.com>; Sexton, Rory <rory.sexton@intel.com>
>> Subject: [dpdk-dev] [PATCH v1 01/10] net/i40e: add API to convert VF Id to PF Id
>>
>> Need a way to convert a vf id to a pf id on the host so as to query the pf for
>> relevant statistics which are used for the frequency changes in the
>> vm_power_manager app. Used when profiles are passed down from the guest
>> to the host, allowing the host to map the vfs to pfs.
>>
>> Signed-off-by: Nemanja Marjanovic <nemanja.marjanovic@intel.com>
>> Signed-off-by: Rory Sexton <rory.sexton@intel.com>
>> Signed-off-by: David Hunt <david.hunt@intel.com>
>> ---
>>   drivers/net/i40e/i40e_ethdev.c |  1 +
>>   drivers/net/i40e/i40e_rxtx.c   | 27 +++++++++++++++++++++++++++
>>   drivers/net/i40e/i40e_rxtx.h   |  1 +
>>   lib/librte_ether/rte_ethdev.h  | 11 +++++++++++
>>   4 files changed, 40 insertions(+)
>>
>> diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
>> index 5f26e24..8fb67d8 100644
>> --- a/drivers/net/i40e/i40e_ethdev.c
>> +++ b/drivers/net/i40e/i40e_ethdev.c
>> @@ -445,6 +445,7 @@ static const struct rte_pci_id pci_id_i40e_map[] = {  };
>>
>>   static const struct eth_dev_ops i40e_eth_dev_ops = {
>> +	.vfid_to_pfid                 = i40e_vf_mac_to_vsi,
>>   	.dev_configure                = i40e_dev_configure,
>>   	.dev_start                    = i40e_dev_start,
>>   	.dev_stop                     = i40e_dev_stop,
>> diff --git a/drivers/net/i40e/i40e_rxtx.c b/drivers/net/i40e/i40e_rxtx.c index
>> d42c23c..1379d5e 100644
>> --- a/drivers/net/i40e/i40e_rxtx.c
>> +++ b/drivers/net/i40e/i40e_rxtx.c
>> @@ -806,6 +806,33 @@ i40e_recv_pkts(void *rx_queue, struct rte_mbuf
>> **rx_pkts, uint16_t nb_pkts)
>>   	return nb_rx;
>>   }
>>
>> +uint64_t
>> +i40e_vf_mac_to_vsi(struct rte_eth_dev *dev, uint64_t vfid) {
>> +	struct ether_addr *vf_mac_addr = (struct ether_addr *)&vfid;
>> +	struct ether_addr *mac;
>> +	struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data-
>>> dev_private);
>> +	int vsi_id = 0, i, x;
>> +	struct i40e_pf_vf *vf;
>> +	uint16_t vf_num = pf->vf_num;
>> +
>> +	for (x = 0; x < vf_num; x++) {
>> +		int mac_addr_matches = 1;
>> +		vf = &pf->vfs[x];
>> +		mac = &vf->mac_addr;
>> +
>> +		for (i = 0; i < ETHER_ADDR_LEN; i++) {
>> +			if (mac->addr_bytes[i] != vf_mac_addr->addr_bytes[i])
>> +				mac_addr_matches = 0;
>> +		}
>> +		if (mac_addr_matches) {
>> +			vsi_id = vf->vsi->vsi_id;
>> +			return vsi_id;
>> +		}
> vsi and vsi_id is not a common concept in API level.

Agreed. We're removing from the API level in next patch set version.

> How about just return vf_id and rename the function like i40e_query_vf_id_by_mac?
> In i40e driver, we can get the vsi_id by vf_id.

The next revision will just return the vf_id, and we'll rename the 
function.

>> +	}
>> +
>> +	return -1;
> It's an ops to API, you need to use error code but not -1.

Will fix.

Thanks,
Dave,

  reply	other threads:[~2017-09-25  9:57 UTC|newest]

Thread overview: 105+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-08-25 16:02 [dpdk-dev] [PATCH v1 0/10] Policy Based Power Control for Guest David Hunt
2017-08-25 16:02 ` [dpdk-dev] [PATCH v1 01/10] net/i40e: add API to convert VF Id to PF Id David Hunt
2017-09-22  9:56   ` Thomas Monjalon
2017-09-22 12:39     ` Hunt, David
2017-09-25  2:43   ` Wu, Jingjing
2017-09-25  9:57     ` Hunt, David [this message]
2017-08-25 16:02 ` [dpdk-dev] [PATCH v1 02/10] net/i40e: add API to get received packet count David Hunt
2017-09-25  2:47   ` Wu, Jingjing
2017-09-25  9:59     ` Hunt, David
2017-08-25 16:02 ` [dpdk-dev] [PATCH v1 03/10] lib/librte_power: add extra msg type for policies David Hunt
2017-08-25 16:02 ` [dpdk-dev] [PATCH v1 04/10] examples/vm_power_mgr: add vcpu to pcpu mapping David Hunt
2017-08-25 16:02 ` [dpdk-dev] [PATCH v1 05/10] examples/vm_power_mgr: add scale to medium freq fn David Hunt
2017-08-25 16:02 ` [dpdk-dev] [PATCH v1 06/10] examples/vm_power_mgr: add policy to channels David Hunt
2017-08-25 16:02 ` [dpdk-dev] [PATCH v1 07/10] examples/vm_power_mgr: add port initialisation David Hunt
2017-08-25 16:02 ` [dpdk-dev] [PATCH v1 08/10] examples/guest_cli: add send policy to host David Hunt
2017-08-25 16:02 ` [dpdk-dev] [PATCH v1 09/10] examples/vm_power_mgr: set MAC address of VF David Hunt
2017-08-25 16:02 ` [dpdk-dev] [PATCH v1 10/10] net/i40e: set register for no drop David Hunt
2017-09-25  2:50   ` Wu, Jingjing
2017-09-25  9:44     ` Hunt, David
2017-08-29 13:03 ` [dpdk-dev] [PATCH v1 0/10] Policy Based Power Control for Guest Ananyev, Konstantin
2017-09-22  9:51   ` Thomas Monjalon
2017-09-22 10:28     ` Hunt, David
2017-09-22 13:03       ` Thomas Monjalon
2017-09-22 13:12         ` Hunt, David
2017-09-25 12:27 ` [dpdk-dev] [PATCH v2] " David Hunt
2017-09-25 12:27   ` [dpdk-dev] [PATCH v2 1/8] net/i40e: add API to convert VF MAC to VSI index David Hunt
2017-09-26 14:04     ` Wu, Jingjing
2017-09-25 12:27   ` [dpdk-dev] [PATCH v2 2/8] lib/librte_power: add extra msg type for policies David Hunt
2017-09-25 12:27   ` [dpdk-dev] [PATCH v2 3/8] examples/vm_power_mgr: add vcpu to pcpu mapping David Hunt
2017-09-25 12:27   ` [dpdk-dev] [PATCH v2 4/8] examples/vm_power_mgr: add scale to medium freq fn David Hunt
2017-09-25 12:27   ` [dpdk-dev] [PATCH v2 5/8] examples/vm_power_mgr: add policy to channels David Hunt
2017-09-25 12:27   ` [dpdk-dev] [PATCH v2 6/8] examples/vm_power_mgr: add port initialisation David Hunt
2017-09-25 12:27   ` [dpdk-dev] [PATCH v2 7/8] examples/guest_cli: add send policy to host David Hunt
2017-09-25 12:27   ` [dpdk-dev] [PATCH v2 8/8] examples/vm_power_mgr: set MAC address of VF David Hunt
2017-10-04  9:15   ` [dpdk-dev] [PATCH v4] Policy Based Power Control for Guest David Hunt
2017-10-04  9:15     ` [dpdk-dev] [PATCH v4 1/9] net/i40e: add API to convert VF MAC to VF id David Hunt
2017-10-04 15:26       ` santosh
2017-10-04  9:15     ` [dpdk-dev] [PATCH v4 2/9] lib/librte_power: add extra msg type for policies David Hunt
2017-10-04 15:36       ` santosh
2017-10-05  8:38         ` Hunt, David
2017-10-05  9:21           ` santosh
2017-10-05  9:51             ` Hunt, David
2017-10-04  9:15     ` [dpdk-dev] [PATCH v4 3/9] examples/vm_power_mgr: add vcpu to pcpu mapping David Hunt
2017-10-04  9:15     ` [dpdk-dev] [PATCH v4 4/9] examples/vm_power_mgr: add scale to medium freq fn David Hunt
2017-10-04  9:15     ` [dpdk-dev] [PATCH v4 5/9] examples/vm_power_mgr: add policy to channels David Hunt
2017-10-04  9:15     ` [dpdk-dev] [PATCH v4 6/9] examples/vm_power_mgr: add port initialisation David Hunt
2017-10-04  9:15     ` [dpdk-dev] [PATCH v4 7/9] power: add send channel msg function to map file David Hunt
2017-10-04  9:15     ` [dpdk-dev] [PATCH v4 8/9] examples/guest_cli: add send policy to host David Hunt
2017-10-04  9:15     ` [dpdk-dev] [PATCH v4 9/9] examples/vm_power_mgr: set MAC address of VF David Hunt
2017-10-04 15:25     ` [dpdk-dev] [PATCH v5 0/9] Policy Based Power Control for Guest David Hunt
2017-10-04 15:25       ` [dpdk-dev] [PATCH v5 1/9] net/i40e: add API to convert VF MAC to VF id David Hunt
2017-10-04 15:41         ` santosh
2017-10-05  8:31           ` Hunt, David
2017-10-05  9:22             ` santosh
2017-10-04 15:25       ` [dpdk-dev] [PATCH v5 2/9] lib/librte_power: add extra msg type for policies David Hunt
2017-10-04 15:47         ` santosh
2017-10-05  8:41           ` Hunt, David
2017-10-04 15:25       ` [dpdk-dev] [PATCH v5 3/9] examples/vm_power_mgr: add vcpu to pcpu mapping David Hunt
2017-10-04 15:58         ` santosh
2017-10-05  8:44           ` Hunt, David
2017-10-04 15:25       ` [dpdk-dev] [PATCH v5 4/9] examples/vm_power_mgr: add scale to medium freq fn David Hunt
2017-10-04 16:04         ` santosh
2017-10-05  8:47           ` Hunt, David
2017-10-05  9:07             ` santosh
2017-10-04 15:25       ` [dpdk-dev] [PATCH v5 5/9] examples/vm_power_mgr: add policy to channels David Hunt
2017-10-04 15:25       ` [dpdk-dev] [PATCH v5 6/9] examples/vm_power_mgr: add port initialisation David Hunt
2017-10-04 15:25       ` [dpdk-dev] [PATCH v5 7/9] power: add send channel msg function to map file David Hunt
2017-10-04 16:20         ` santosh
2017-10-04 15:25       ` [dpdk-dev] [PATCH v5 8/9] examples/guest_cli: add send policy to host David Hunt
2017-10-04 15:25       ` [dpdk-dev] [PATCH v5 9/9] examples/vm_power_mgr: set MAC address of VF David Hunt
2017-10-05 12:25       ` [dpdk-dev] [PATCH v6 0/9] Policy Based Power Control for Guest David Hunt
2017-10-05 12:25         ` [dpdk-dev] [PATCH v6 1/9] net/i40e: add API to convert VF MAC to VF id David Hunt
2017-10-05 12:45           ` Ananyev, Konstantin
2017-10-05 12:51             ` Hunt, David
2017-10-05 12:25         ` [dpdk-dev] [PATCH v6 2/9] lib/librte_power: add extra msg type for policies David Hunt
2017-10-05 12:25         ` [dpdk-dev] [PATCH v6 3/9] examples/vm_power_mgr: add vcpu to pcpu mapping David Hunt
2017-10-05 12:25         ` [dpdk-dev] [PATCH v6 4/9] examples/vm_power_mgr: add scale to medium freq fn David Hunt
2017-10-05 12:25         ` [dpdk-dev] [PATCH v6 5/9] examples/vm_power_mgr: add policy to channels David Hunt
2017-10-05 12:25         ` [dpdk-dev] [PATCH v6 6/9] examples/vm_power_mgr: add port initialisation David Hunt
2017-10-05 12:25         ` [dpdk-dev] [PATCH v6 7/9] power: add send channel msg function to map file David Hunt
2017-10-05 12:25         ` [dpdk-dev] [PATCH v6 8/9] examples/guest_cli: add send policy to host David Hunt
2017-10-05 12:25         ` [dpdk-dev] [PATCH v6 9/9] examples/vm_power_mgr: set MAC address of VF David Hunt
2017-10-05 13:28         ` [dpdk-dev] [PATCH v7 0/9] Policy Based Power Control for Guest David Hunt
2017-10-05 13:28           ` [dpdk-dev] [PATCH v7 1/9] net/i40e: add API to convert VF MAC to VF id David Hunt
2017-10-05 13:28           ` [dpdk-dev] [PATCH v7 2/9] lib/librte_power: add extra msg type for policies David Hunt
2017-10-05 13:28           ` [dpdk-dev] [PATCH v7 3/9] examples/vm_power_mgr: add vcpu to pcpu mapping David Hunt
2017-10-05 13:28           ` [dpdk-dev] [PATCH v7 4/9] examples/vm_power_mgr: add scale to medium freq fn David Hunt
2017-10-05 13:28           ` [dpdk-dev] [PATCH v7 5/9] examples/vm_power_mgr: add policy to channels David Hunt
2017-10-05 13:28           ` [dpdk-dev] [PATCH v7 6/9] examples/vm_power_mgr: add port initialisation David Hunt
2017-10-05 13:28           ` [dpdk-dev] [PATCH v7 7/9] power: add send channel msg function to map file David Hunt
2017-10-05 13:28           ` [dpdk-dev] [PATCH v7 8/9] examples/guest_cli: add send policy to host David Hunt
2017-10-05 13:28           ` [dpdk-dev] [PATCH v7 9/9] examples/vm_power_mgr: set MAC address of VF David Hunt
2017-10-05 13:54           ` [dpdk-dev] [PATCH v7 0/9] Policy Based Power Control for Guest Ananyev, Konstantin
2017-10-05 14:12           ` santosh
2017-10-05 14:34           ` [dpdk-dev] [PATCH v8 " David Hunt
2017-10-05 14:34             ` [dpdk-dev] [PATCH v8 1/9] net/i40e: add API to convert VF MAC to VF id David Hunt
2017-10-05 14:34             ` [dpdk-dev] [PATCH v8 2/9] lib/librte_power: add extra msg type for policies David Hunt
2017-10-05 14:34             ` [dpdk-dev] [PATCH v8 3/9] examples/vm_power_mgr: add vcpu to pcpu mapping David Hunt
2017-10-05 14:34             ` [dpdk-dev] [PATCH v8 4/9] examples/vm_power_mgr: add scale to medium freq fn David Hunt
2017-10-05 14:34             ` [dpdk-dev] [PATCH v8 5/9] examples/vm_power_mgr: add policy to channels David Hunt
2017-10-05 14:34             ` [dpdk-dev] [PATCH v8 6/9] examples/vm_power_mgr: add port initialisation David Hunt
2017-10-05 14:34             ` [dpdk-dev] [PATCH v8 7/9] power: add send channel msg function to map file David Hunt
2017-10-05 14:34             ` [dpdk-dev] [PATCH v8 8/9] examples/guest_cli: add send policy to host David Hunt
2017-10-05 14:34             ` [dpdk-dev] [PATCH v8 9/9] examples/vm_power_mgr: set MAC address of VF David Hunt
2017-10-09 22:34             ` [dpdk-dev] [PATCH v8 0/9] Policy Based Power Control for Guest Ferruh Yigit

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