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ixgbe: get VF queue number

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Get the available Rx and Tx queue number when receiving IXGBE_VF_GET_QUEUES
message from VF.

Signed-off-by: Changchun Ouyang <changchun.ouyang@intel.com>
Reviewed-by: Vlad Zolotarov <vladz@cloudius-systems.com>
This commit is contained in:
Ouyang Changchun 2015-01-12 13:59:09 +08:00 committed by Thomas Monjalon
parent 6972eae614
commit 46b14c2311
1 changed files with 39 additions and 1 deletions
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40
lib/librte_pmd_ixgbe/ixgbe_pf.c
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@ -53,6 +53,8 @@
#include "ixgbe_ethdev.h"
#define IXGBE_MAX_VFTA (128)
#define IXGBE_VF_MSG_SIZE_DEFAULT 1
#define IXGBE_VF_GET_QUEUE_MSG_SIZE 5
static inline uint16_t
dev_num_vf(struct rte_eth_dev *eth_dev)
@ -490,10 +492,42 @@ ixgbe_negotiate_vf_api(struct rte_eth_dev *dev, uint32_t vf, uint32_t *msgbuf)
return -1;
}
static int
ixgbe_get_vf_queues(struct rte_eth_dev *dev, uint32_t vf, uint32_t *msgbuf)
{
struct ixgbe_vf_info *vfinfo =
*IXGBE_DEV_PRIVATE_TO_P_VFDATA(dev->data->dev_private);
uint32_t default_q = vf * RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool;
/* Verify if the PF supports the mbox APIs version or not */
switch (vfinfo[vf].api_version) {
case ixgbe_mbox_api_20:
case ixgbe_mbox_api_11:
break;
default:
return -1;
}
/* Notify VF of Rx and Tx queue number */
msgbuf[IXGBE_VF_RX_QUEUES] = RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool;
msgbuf[IXGBE_VF_TX_QUEUES] = RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool;
/* Notify VF of default queue */
msgbuf[IXGBE_VF_DEF_QUEUE] = default_q;
/*
* FIX ME if it needs fill msgbuf[IXGBE_VF_TRANS_VLAN]
* for VLAN strip or VMDQ_DCB or VMDQ_DCB_RSS
*/
return 0;
}
static int
ixgbe_rcv_msg_from_vf(struct rte_eth_dev *dev, uint16_t vf)
{
uint16_t mbx_size = IXGBE_VFMAILBOX_SIZE;
uint16_t msg_size = IXGBE_VF_MSG_SIZE_DEFAULT;
uint32_t msgbuf[IXGBE_VFMAILBOX_SIZE];
int32_t retval;
struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
@ -537,6 +571,10 @@ ixgbe_rcv_msg_from_vf(struct rte_eth_dev *dev, uint16_t vf)
case IXGBE_VF_API_NEGOTIATE:
retval = ixgbe_negotiate_vf_api(dev, vf, msgbuf);
break;
case IXGBE_VF_GET_QUEUES:
retval = ixgbe_get_vf_queues(dev, vf, msgbuf);
msg_size = IXGBE_VF_GET_QUEUE_MSG_SIZE;
break;
default:
PMD_DRV_LOG(DEBUG, "Unhandled Msg %8.8x", (unsigned)msgbuf[0]);
retval = IXGBE_ERR_MBX;
@ -551,7 +589,7 @@ ixgbe_rcv_msg_from_vf(struct rte_eth_dev *dev, uint16_t vf)
msgbuf[0] |= IXGBE_VT_MSGTYPE_CTS;
ixgbe_write_mbx(hw, msgbuf, 1, vf);
ixgbe_write_mbx(hw, msgbuf, msg_size, vf);
return retval;
}