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net/qede/base: prevent stop vport assert by malicious VF

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PF checks upon stop-vport from VF whether it's legal, but if it's not it
would STILL send the request to FW, which might cause it to assert.

Signed-off-by: Rasesh Mody <rasesh.mody@cavium.com>
This commit is contained in:
Rasesh Mody 2017-09-18 18:30:07 -07:00 committed by Ferruh Yigit
parent a474d1c1e7
commit c1454460c4
1 changed files with 3 additions and 0 deletions
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3
drivers/net/qede/base/ecore_sriov.c
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@ -2121,6 +2121,8 @@ static void ecore_iov_vf_mbx_stop_vport(struct ecore_hwfn *p_hwfn,
"VF [%02x] - considered malicious;"
" Unable to stop RX/TX queuess\n",
vf->abs_vf_id);
status = PFVF_STATUS_MALICIOUS;
goto out;
}
rc = ecore_sp_vport_stop(p_hwfn, vf->opaque_fid, vf->vport_id);
@ -2134,6 +2136,7 @@ static void ecore_iov_vf_mbx_stop_vport(struct ecore_hwfn *p_hwfn,
vf->configured_features = 0;
OSAL_MEMSET(&vf->shadow_config, 0, sizeof(vf->shadow_config));
out:
ecore_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_VPORT_TEARDOWN,
sizeof(struct pfvf_def_resp_tlv), status);
}