From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bernard Iremonger Subject: [RFC PATCH 2/5] net/ixgbe: add callback to user app on VF to PF mbox msg Date: Thu, 18 Aug 2016 14:48:42 +0100 Message-ID: <1471528125-26357-3-git-send-email-bernard.iremonger@intel.com> References: <1471528125-26357-1-git-send-email-bernard.iremonger@intel.com> Cc: Bernard Iremonger , azelezniak To: rahul.r.shah@intel.com, wenzhuo.lu@intel.com, dev@dpdk.org Return-path: Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by dpdk.org (Postfix) with ESMTP id E2D2468F8 for ; Thu, 18 Aug 2016 15:48:53 +0200 (CEST) In-Reply-To: <1471528125-26357-1-git-send-email-bernard.iremonger@intel.com> List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" call _rte_eth_dev_callback_process_vf from ixgbe_rcv_msg_from_vf function. The callback asks the user application if it is allowed to perform the function. If the cb_param.retval is RTE_ETH_MB_EVENT_PROCEED then continue, if 0, do nothing and send ACK to VF if > 1, do nothing and send NAK to VF. Signed-off-by: azelezniak Signed-off-by: Bernard Iremonger --- drivers/net/ixgbe/ixgbe_pf.c | 39 ++++++++++++++++++++++++++++++++++----- 1 file changed, 34 insertions(+), 5 deletions(-) diff --git a/drivers/net/ixgbe/ixgbe_pf.c b/drivers/net/ixgbe/ixgbe_pf.c index 56393ff..bb14106 100644 --- a/drivers/net/ixgbe/ixgbe_pf.c +++ b/drivers/net/ixgbe/ixgbe_pf.c @@ -660,6 +660,7 @@ ixgbe_rcv_msg_from_vf(struct rte_eth_dev *dev, uint16_t vf) struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private); struct ixgbe_vf_info *vfinfo = *IXGBE_DEV_PRIVATE_TO_P_VFDATA(dev->data->dev_private); + struct rte_eth_mb_event_param cb_param; retval = ixgbe_read_mbx(hw, msgbuf, mbx_size, vf); if (retval) { @@ -674,27 +675,54 @@ ixgbe_rcv_msg_from_vf(struct rte_eth_dev *dev, uint16_t vf) /* flush the ack before we write any messages back */ IXGBE_WRITE_FLUSH(hw); + /** + * initialise structure to send to user application + * will return response from user in retval field + */ + cb_param.retval = RTE_ETH_MB_EVENT_PROCEED; + cb_param.vfid = vf; + cb_param.msg_type = msgbuf[0] & 0xFFFF; + cb_param.userdata = (void *)msgbuf; + /* perform VF reset */ if (msgbuf[0] == IXGBE_VF_RESET) { int ret = ixgbe_vf_reset(dev, vf, msgbuf); vfinfo[vf].clear_to_send = true; + + /* notify application about VF reset */ + _rte_eth_dev_callback_process_vf(dev, RTE_ETH_EVENT_VF_MBOX, &cb_param); return ret; } + /** + * ask user application if we allowed to perform those functions + * if we get cb_param.retval == RTE_ETH_MB_EVENT_PROCEED then business + * as usual, + * if 0, do nothing and send ACK to VF + * if cb_param.retval > 1, do nothing and send NAK to VF + */ + _rte_eth_dev_callback_process_vf(dev, RTE_ETH_EVENT_VF_MBOX, &cb_param); + + retval = cb_param.retval; + /* check & process VF to PF mailbox message */ switch ((msgbuf[0] & 0xFFFF)) { case IXGBE_VF_SET_MAC_ADDR: - retval = ixgbe_vf_set_mac_addr(dev, vf, msgbuf); + if (retval == RTE_ETH_MB_EVENT_PROCEED) + retval = ixgbe_vf_set_mac_addr(dev, vf, msgbuf); break; case IXGBE_VF_SET_MULTICAST: - retval = ixgbe_vf_set_multicast(dev, vf, msgbuf); + if (retval == RTE_ETH_MB_EVENT_PROCEED) + retval = ixgbe_vf_set_multicast(dev, vf, msgbuf); break; case IXGBE_VF_SET_LPE: - retval = ixgbe_set_vf_lpe(dev, vf, msgbuf); + if (retval == RTE_ETH_MB_EVENT_PROCEED) + retval = ixgbe_set_vf_lpe(dev, vf, msgbuf); break; case IXGBE_VF_SET_VLAN: - retval = ixgbe_vf_set_vlan(dev, vf, msgbuf); + if (retval == RTE_ETH_MB_EVENT_PROCEED) + retval = ixgbe_vf_set_vlan(dev, vf, msgbuf); break; case IXGBE_VF_API_NEGOTIATE: retval = ixgbe_negotiate_vf_api(dev, vf, msgbuf); @@ -704,7 +732,8 @@ ixgbe_rcv_msg_from_vf(struct rte_eth_dev *dev, uint16_t vf) msg_size = IXGBE_VF_GET_QUEUE_MSG_SIZE; break; case IXGBE_VF_UPDATE_XCAST_MODE: - retval = ixgbe_set_vf_mc_promisc(dev, vf, msgbuf); + if (retval == RTE_ETH_MB_EVENT_PROCEED) + retval = ixgbe_set_vf_mc_promisc(dev, vf, msgbuf); break; default: PMD_DRV_LOG(DEBUG, "Unhandled Msg %8.8x", (unsigned)msgbuf[0]); -- 2.9.0