AuxXxilium/linux_dsm_epyc7002
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ice: Change max MSI-x vector_id check in cfg_irq_map

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Currently we check to make sure the vector_id passed down from iavf
is less than or equal to pf->hw.func_caps.common_caps.num_msix_vectors.
This is incorrect because the vector_id is always 0-based and never
greater than or equal to the ICE_MAX_INTR_PER_VF. Fix this by checking
to make sure the vector_id is less than the max allowed interrupts per
VF (ICE_MAX_INTR_PER_VF).

Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Brett Creeley 2019-11-06 02:05:34 -08:00 committed by Jeff Kirsher
parent ec4f5a436b
commit b791cdd5c7
1 changed files with 5 additions and 3 deletions
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8
drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c
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@ -2173,9 +2173,11 @@ static int ice_vc_cfg_irq_map_msg(struct ice_vf *vf, u8 *msg)
vector_id = map->vector_id;
vsi_id = map->vsi_id;
/* validate msg params */
if (!(vector_id < pf->hw.func_caps.common_cap
.num_msix_vectors) || !ice_vc_isvalid_vsi_id(vf, vsi_id) ||
/* vector_id is always 0-based for each VF, and can never be
* larger than or equal to the max allowed interrupts per VF
*/
if (!(vector_id < ICE_MAX_INTR_PER_VF) ||
!ice_vc_isvalid_vsi_id(vf, vsi_id) ||
(!vector_id && (map->rxq_map || map->txq_map))) {
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
goto error_param;