[PATCH net] i40e: Fix limit imprecise of the number of MAC/VLAN that can be added for VFs
From: w00273186 <hidden>
Date: 2017-09-27 06:59:38
Also in:
intel-wired-lan
Subsystem:
intel ethernet drivers, networking drivers, the rest · Maintainers:
Tony Nguyen, Przemek Kitszel, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Yunjian Wang <redacted> Now it don't limit the number of MAC/VLAN strictly. When there is more elements in the virtchnl MAC/VLAN list, it can still add successfully. Signed-off-by: Yunjian Wang <redacted> --- drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c | 27 +++++++++++++--------- 1 file changed, 16 insertions(+), 11 deletions(-)
diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
index 4d1e670..285b96a 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c@@ -2065,11 +2065,6 @@ static inline int i40e_check_vf_permission(struct i40e_vf *vf, u8 *macaddr) dev_err(&pf->pdev->dev, "VF attempting to override administratively set MAC address, reload the VF driver to resume normal operation\n"); ret = -EPERM; - } else if ((vf->num_mac >= I40E_VC_MAX_MAC_ADDR_PER_VF) && - !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps)) { - dev_err(&pf->pdev->dev, - "VF is not trusted, switch the VF to trusted to add more functionality\n"); - ret = -EPERM; } return ret; }
@@ -2128,6 +2123,15 @@ static int i40e_vc_add_mac_addr_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) } else { vf->num_mac++; } + + if ((vf->num_mac >= I40E_VC_MAX_MAC_ADDR_PER_VF) && + !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps)) { + dev_err(&pf->pdev->dev, + "VF is not trusted, switch the VF to trusted to add more functionality\n"); + ret = -EPERM; + spin_unlock_bh(&vsi->mac_filter_hash_lock); + goto error_param; + } } spin_unlock_bh(&vsi->mac_filter_hash_lock);
@@ -2221,12 +2225,6 @@ static int i40e_vc_add_vlan_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) i40e_status aq_ret = 0; int i; - if ((vf->num_vlan >= I40E_VC_MAX_VLAN_PER_VF) && - !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps)) { - dev_err(&pf->pdev->dev, - "VF is not trusted, switch the VF to trusted to add more VLAN addresses\n"); - goto error_param; - } if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states) || !i40e_vc_isvalid_vsi_id(vf, vsi_id)) { aq_ret = I40E_ERR_PARAM;
@@ -2269,6 +2267,13 @@ static int i40e_vc_add_vlan_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) dev_err(&pf->pdev->dev, "Unable to add VLAN filter %d for VF %d, error %d\n", vfl->vlan_id[i], vf->vf_id, ret); + if ((vf->num_vlan >= I40E_VC_MAX_VLAN_PER_VF) && + !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps)) { + dev_err(&pf->pdev->dev, + "VF is not trusted, switch the VF to trusted to add more VLAN addresses\n"); + aq_ret = -EPERM; + goto error_param; + } } error_param:
--
1.8.3.1