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Commit 7015ca3d authored by Sergey Nemov's avatar Sergey Nemov Committed by Jeff Kirsher
Browse files

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: default avatarSergey Nemov <sergey.nemov@intel.com>
Tested-by: default avatarAndrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
parent 1aa874b4

drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c

+10 −0
Original line number Diff line number Diff line
@@ -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));