Subject: [PATCH net-next] net: airoha: Report extack error to the user if airoha_tc_htb_modify_queue() fails

From: Lorenzo Bianconi <[email-masked]>
Date: Wed, 03 Jun 2026 12:30:01 +0200

Report an extack error message in airoha_tc_htb_modify_queue routine if
airoha_qdma_set_tx_rate_limit() fails.

Signed-off-by: Lorenzo Bianconi <[email-masked]>
---
 drivers/net/ethernet/airoha/airoha_eth.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/airoha/airoha_eth.c b/drivers/net/ethernet/airoha/airoha_eth.c
index 6574901ebd19..d0d13f01e50f 100644
--- a/drivers/net/ethernet/airoha/airoha_eth.c
+++ b/drivers/net/ethernet/airoha/airoha_eth.c
@@ -2605,13 +2605,19 @@ static int airoha_tc_htb_modify_queue(struct net_device *dev,
 {
 	u32 channel = TC_H_MIN(opt->classid) % AIROHA_NUM_QOS_CHANNELS;
 	u32 rate = div_u64(opt->rate, 1000) << 3; /* kbps */
+	int err;
 
 	if (opt->parent_classid != TC_HTB_CLASSID_ROOT) {
 		NL_SET_ERR_MSG_MOD(opt->extack, "invalid parent classid");
 		return -EINVAL;
 	}
 
-	return airoha_qdma_set_tx_rate_limit(dev, channel, rate, opt->quantum);
+	err = airoha_qdma_set_tx_rate_limit(dev, channel, rate, opt->quantum);
+	if (err)
+		NL_SET_ERR_MSG_MOD(opt->extack,
+				   "failed configuring htb offload");
+
+	return err;
 }
 
 static int airoha_tc_htb_alloc_leaf_queue(struct net_device *netdev,

---
base-commit: dfcc2ff12925d99e858eaf539eaa4aaaf81fe2a6
change-id: 20260603-airoha_tc_htb_modify_queue-err-message-fea72af2c4b6

Best regards,
-- 
Lorenzo Bianconi <[email-masked]>