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net/ice: acquire and disable DCF capability

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Since the DCF (Device Config Function) controls the flow setting of
other VFs by the mailbox with PF, for security, it needs to acquire
the DCF capability from PF when starts, and disable it when exits.

Signed-off-by: Haiyue Wang <haiyue.wang@intel.com>
Acked-by: Qi Zhang <qi.z.zhang@intel.com>
This commit is contained in:
Haiyue Wang 2020-03-27 10:56:37 +08:00 committed by Ferruh Yigit
parent 7564d55096
commit cf5cad3bc7
1 changed files with 26 additions and 1 deletions
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27
drivers/net/ice/ice_dcf.c
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@ -227,7 +227,7 @@ ice_dcf_get_vf_resource(struct ice_dcf_hw *hw)
int err, i;
caps = VIRTCHNL_VF_OFFLOAD_WB_ON_ITR | VIRTCHNL_VF_OFFLOAD_RX_POLLING |
VIRTCHNL_VF_CAP_ADV_LINK_SPEED |
VIRTCHNL_VF_CAP_ADV_LINK_SPEED | VIRTCHNL_VF_CAP_DCF |
VF_BASE_MODE_OFFLOADS;
err = ice_dcf_send_cmd_req_no_irq(hw, VIRTCHNL_OP_GET_VF_RESOURCES,
@ -264,6 +264,30 @@ ice_dcf_get_vf_resource(struct ice_dcf_hw *hw)
return 0;
}
static int
ice_dcf_mode_disable(struct ice_dcf_hw *hw)
{
int err;
err = ice_dcf_send_cmd_req_no_irq(hw, VIRTCHNL_OP_DCF_DISABLE,
NULL, 0);
if (err) {
PMD_DRV_LOG(ERR, "Failed to send msg OP_DCF_DISABLE");
return err;
}
err = ice_dcf_recv_cmd_rsp_no_irq(hw, VIRTCHNL_OP_DCF_DISABLE,
hw->arq_buf, ICE_DCF_AQ_BUF_SZ, NULL);
if (err) {
PMD_DRV_LOG(ERR,
"Failed to get response of OP_DCF_DISABLE %d",
err);
return -1;
}
return 0;
}
static int
ice_dcf_check_reset_done(struct ice_dcf_hw *hw)
{
@ -467,6 +491,7 @@ ice_dcf_uninit_hw(struct rte_eth_dev *eth_dev, struct ice_dcf_hw *hw)
rte_intr_callback_unregister(intr_handle,
ice_dcf_dev_interrupt_handler, hw);
ice_dcf_mode_disable(hw);
iavf_shutdown_adminq(&hw->avf);
rte_free(hw->arq_buf);