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.marjano...@intel.com>
Signed-off-by: Rory Sexton <rory.sex...@intel.com>
Signed-off-by: David Hunt <david.h...@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;
+ }
+ }
+
+ return -1;
+}
+
uint16_t
i40e_recv_scattered_pkts(void *rx_queue,
struct rte_mbuf **rx_pkts,
diff --git a/drivers/net/i40e/i40e_rxtx.h b/drivers/net/i40e/i40e_rxtx.h
index 20084d6..bc6d355 100644
--- a/drivers/net/i40e/i40e_rxtx.h
+++ b/drivers/net/i40e/i40e_rxtx.h
@@ -192,6 +192,7 @@ union i40e_tx_offload {
};
};
+uint64_t i40e_vf_mac_to_vsi(struct rte_eth_dev *dev, uint64_t vfid);
int i40e_dev_rx_queue_start(struct rte_eth_dev *dev, uint16_t rx_queue_id);
int i40e_dev_rx_queue_stop(struct rte_eth_dev *dev, uint16_t rx_queue_id);
int i40e_dev_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id);
diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h
index 0adf327..fec7e92 100644
--- a/lib/librte_ether/rte_ethdev.h
+++ b/lib/librte_ether/rte_ethdev.h
@@ -1411,6 +1411,8 @@ typedef int (*eth_l2_tunnel_offload_set_t)
uint8_t en);
/**< @internal enable/disable the l2 tunnel offload functions */
+typedef uint64_t (*vfid_to_pfid)(struct rte_eth_dev *dev,
+ uint64_t vfid);
typedef int (*eth_filter_ctrl_t)(struct rte_eth_dev *dev,
enum rte_filter_type filter_type,
@@ -1429,6 +1431,7 @@ typedef int (*eth_get_dcb_info)(struct rte_eth_dev *dev,
* @internal A structure containing the functions exported by an Ethernet
driver.
*/
struct eth_dev_ops {
+ vfid_to_pfid vfid_to_pfid; /**< Convert vfid to pfid */
eth_dev_configure_t dev_configure; /**< Configure device. */
eth_dev_start_t dev_start; /**< Start device. */
eth_dev_stop_t dev_stop; /**< Stop device. */
@@ -2928,6 +2931,14 @@ static inline int rte_eth_tx_descriptor_status(uint8_t
port_id,
return (*dev->dev_ops->tx_descriptor_status)(txq, offset);
}
+static inline uint64_t
+vfid_to_pfid_direct(uint8_t port_id, uint64_t vfid)
+{
+ struct rte_eth_dev *dev = &rte_eth_devices[port_id];
+ uint64_t pfid = (*dev->dev_ops->vfid_to_pfid)(dev, vfid);
+ return pfid;
+}
+
/**
* Send a burst of output packets on a transmit queue of an Ethernet device.
*
--
2.7.4
