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authorGrzegorz Szczurek <grzegorzx.szczurek@intel.com>2022-04-29 14:27:08 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-06-22 14:11:21 +0200
commit43f65970eeb2787897c04fc0dff5b2b9c223a786 (patch)
treec17eae28c901d0f922d5c0fd6584f3c2b984aff5
parentcff3a7ce6e81418b6e8bac941779bbf5d342d626 (diff)
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i40e: Fix adding ADQ filter to TC0
[ Upstream commit c3238d36c3a2be0a29a9d848d6c51e1b14be6692 ] Procedure of configure tc flower filters erroneously allows to create filters on TC0 where unfiltered packets are also directed by default. Issue was caused by insufficient checks of hw_tc parameter specifying the hardware traffic class to pass matching packets to. Fix checking hw_tc parameter which blocks creation of filters on TC0. Fixes: 2f4b411a3d67 ("i40e: Enable cloud filters via tc-flower") Signed-off-by: Grzegorz Szczurek <grzegorzx.szczurek@intel.com> Signed-off-by: Jedrzej Jagielski <jedrzej.jagielski@intel.com> Tested-by: Bharathi Sreenivas <bharathi.sreenivas@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_main.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 7f4aa2239786..05442bbc218c 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -8108,6 +8108,11 @@ static int i40e_configure_clsflower(struct i40e_vsi *vsi,
return -EOPNOTSUPP;
}
+ if (!tc) {
+ dev_err(&pf->pdev->dev, "Unable to add filter because of invalid destination");
+ return -EINVAL;
+ }
+
if (test_bit(__I40E_RESET_RECOVERY_PENDING, pf->state) ||
test_bit(__I40E_RESET_INTR_RECEIVED, pf->state))
return -EBUSY;