From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ouyang Changchun Subject: [PATCH v5 3/6] ixgbe: Get VF queue number Date: Wed, 7 Jan 2015 14:32:32 +0800 Message-ID: <1420612355-6666-4-git-send-email-changchun.ouyang@intel.com> References: <1420355937-18484-1-git-send-email-changchun.ouyang@intel.com> <1420612355-6666-1-git-send-email-changchun.ouyang@intel.com> To: dev-VfR2kkLFssw@public.gmane.org Return-path: In-Reply-To: <1420612355-6666-1-git-send-email-changchun.ouyang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org> List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces-VfR2kkLFssw@public.gmane.org Sender: "dev" Get the available Rx and Tx queue number when receiving IXGBE_VF_GET_QUEUES message from VF. Signed-off-by: Changchun Ouyang changes in v5 - Add some 'FIX ME' comments for IXGBE_VF_TRANS_VLAN. --- lib/librte_pmd_ixgbe/ixgbe_pf.c | 40 +++++++++++++++++++++++++++++++++++++++- 1 file changed, 39 insertions(+), 1 deletion(-) diff --git a/lib/librte_pmd_ixgbe/ixgbe_pf.c b/lib/librte_pmd_ixgbe/ixgbe_pf.c index 495aff5..dbda9b5 100644 --- a/lib/librte_pmd_ixgbe/ixgbe_pf.c +++ b/lib/librte_pmd_ixgbe/ixgbe_pf.c @@ -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) @@ -491,9 +493,41 @@ ixgbe_negotiate_vf_api(struct rte_eth_dev *dev, uint32_t vf, uint32_t *msgbuf) } 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; } -- 1.8.4.2