X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fice%2Fbase%2Fice_dcb.c;h=cb6c5ba1822d1ba8ec43366cccbc1083e35f5f2a;hb=61da0fe6c46ab11aeeeb8a9bd939b98ef50eca15;hp=9c9675f6ef28d529bed8c2c7530fd44e311651b2;hpb=49cae2c4426c2c07aa1b60a0be5f3812d59c2a41;p=dpdk.git

diff --git a/drivers/net/ice/base/ice_dcb.c b/drivers/net/ice/base/ice_dcb.c
index 9c9675f6ef..cb6c5ba182 100644
--- a/drivers/net/ice/base/ice_dcb.c
+++ b/drivers/net/ice/base/ice_dcb.c
@@ -764,11 +764,10 @@ ice_aq_set_pfc_mode(struct ice_hw *hw, u8 pfc_mode, struct ice_sq_cd *cd)
 	if (status)
 		return status;
 
-	/* The spec isn't clear about whether the FW will return an error code
-	 * if the PFC mode requested by the driver was not set. The spec just
-	 * says that the FW will write the PFC mode set back into cmd->pfc_mode,
-	 * so after the AQ has been executed, check if cmd->pfc_mode is what was
-	 * requested.
+	/* FW will write the PFC mode set back into cmd->pfc_mode, but if DCB is
+	 * disabled, FW will write back 0 to cmd->pfc_mode. After the AQ has
+	 * been executed, check if cmd->pfc_mode is what was requested. If not,
+	 * return an error.
 	 */
 	if (cmd->pfc_mode != pfc_mode)
 		return ICE_ERR_NOT_SUPPORTED;