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net/i40e: support converting VF MAC to VF id

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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>
Reviewed-by: Santosh Shukla <santosh.shukla@caviumnetworks.com>
Acked-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
This commit is contained in:
Rory Sexton 2017-10-11 17:18:47 +01:00 committed by Ferruh Yigit
parent 63bdef1827
commit a399ed9ae4
3 changed files with 46 additions and 0 deletions
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30
drivers/net/i40e/rte_pmd_i40e.c
View File

@ -2430,3 +2430,33 @@ rte_pmd_i40e_flow_type_mapping_update(
return 0;
}
int
rte_pmd_i40e_query_vfid_by_mac(uint16_t port, const struct ether_addr *vf_mac)
{
struct rte_eth_dev *dev;
struct ether_addr *mac;
struct i40e_pf *pf;
int vf_id;
struct i40e_pf_vf *vf;
uint16_t vf_num;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port, -ENODEV);
dev = &rte_eth_devices[port];
if (!is_i40e_supported(dev))
return -ENOTSUP;
pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
vf_num = pf->vf_num;
for (vf_id = 0; vf_id < vf_num; vf_id++) {
vf = &pf->vfs[vf_id];
mac = &vf->mac_addr;
if (is_same_ether_addr(mac, vf_mac))
return vf_id;
}
return -EINVAL;
}

15
drivers/net/i40e/rte_pmd_i40e.h
View File

@ -737,4 +737,19 @@ int rte_pmd_i40e_flow_type_mapping_get(
*/
int rte_pmd_i40e_flow_type_mapping_reset(uint8_t port);
/**
* On the PF, find VF index based on VF MAC address
*
* @param port
* pointer to port identifier of the device
* @param vf_mac
* the mac address of the vf to determine index of
* @return
* The index of vfid If successful.
* -EINVAL: vf mac address does not exist for this port
* -ENOTSUP: i40e not supported for this port.
*/
int rte_pmd_i40e_query_vfid_by_mac(uint16_t port,
const struct ether_addr *vf_mac);
#endif /* _PMD_I40E_H_ */

1
drivers/net/i40e/rte_pmd_i40e_version.map
View File

@ -53,5 +53,6 @@ DPDK_17.11 {
rte_pmd_i40e_flow_type_mapping_update;
rte_pmd_i40e_flow_type_mapping_get;
rte_pmd_i40e_flow_type_mapping_reset;
rte_pmd_i40e_query_vfid_by_mac;
} DPDK_17.08;