diff options
| author | Sergey Nemov <sergey.nemov@intel.com> | 2019-03-29 15:08:36 -0700 |
|---|---|---|
| committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2019-05-04 17:21:07 -0700 |
| commit | 7015ca3df965378bcef072cca9cd63ed098665b5 (patch) | |
| tree | fde6fa92bb47caed75bdf9f027648c4b3df68f1e | |
| parent | 1aa874b42ee8958c737e282ebcf87f653b6c80dc (diff) | |
| download | linux-7015ca3df965378bcef072cca9cd63ed098665b5.tar.bz2 | |
i40e: add num_vectors checker in iwarp handler
Field num_vectors from struct virtchnl_iwarp_qvlist_info should not be
larger than num_msix_vectors_vf in the hw struct. The iwarp uses the
same set of vectors as the LAN VF driver.
Signed-off-by: Sergey Nemov <sergey.nemov@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c index 00345bbf68ec..25490cfb06fc 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c @@ -442,6 +442,16 @@ static int i40e_config_iwarp_qvlist(struct i40e_vf *vf, u32 next_q_idx, next_q_type; u32 msix_vf, size; + msix_vf = pf->hw.func_caps.num_msix_vectors_vf; + + if (qvlist_info->num_vectors > msix_vf) { + dev_warn(&pf->pdev->dev, + "Incorrect number of iwarp vectors %u. Maximum %u allowed.\n", + qvlist_info->num_vectors, + msix_vf); + goto err; + } + size = sizeof(struct virtchnl_iwarp_qvlist_info) + (sizeof(struct virtchnl_iwarp_qv_info) * (qvlist_info->num_vectors - 1)); |