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| author | Sergey Nemov <sergey.nemov@intel.com> | 2019-03-29 15:08:36 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-11-10 10:29:03 +0100 |
| commit | 978c31f09d59cdd52cadc462f12862376e72f618 (patch) | |
| tree | 24a699b64b2bd8fd0da1f8fb875b9ebc9f228d8c | |
| parent | 09f34ad8629919192e429461f0145ddda65fada2 (diff) | |
| download | linux-stable-978c31f09d59cdd52cadc462f12862376e72f618.tar.gz linux-stable-978c31f09d59cdd52cadc462f12862376e72f618.tar.bz2 linux-stable-978c31f09d59cdd52cadc462f12862376e72f618.zip | |
i40e: add num_vectors checker in iwarp handler
commit 7015ca3df965378bcef072cca9cd63ed098665b5 upstream.
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>
Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -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 8d2f4e860767..4134b0d8810e 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c @@ -419,6 +419,16 @@ 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)); |