airoha: an7581: add pending patch for ETS qdisc on ethernet driver

Add pending patch for ETS qdisc on Airoha ethernet driver.

Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>

1 files changed, 104 insertions, 0 deletions

diff --git a/target/linux/airoha/patches-6.6/113-net-airoha-Fix-channel-configuration-for-ETS-Qdisc.patch b/target/linux/airoha/patches-6.6/113-net-airoha-Fix-channel-configuration-for-ETS-Qdisc.patch
new file mode 100644
index 0000000000..5bd7487b9f
--- /dev/null
+++ b/target/linux/airoha/patches-6.6/113-net-airoha-Fix-channel-configuration-for-ETS-Qdisc.patch
@@ -0,0 +1,104 @@
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+From: Lorenzo Bianconi <lorenzo@kernel.org>
+Date: Tue, 07 Jan 2025 23:26:28 +0100
+Subject: [PATCH net-next] net: airoha: Fix channel configuration for ETS
+ Qdisc
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+X-Change-ID: 20250107-airoha-ets-fix-chan-e35ccac76d64
+To: Felix Fietkau <nbd@nbd.name>, Sean Wang <sean.wang@mediatek.com>,
+ Mark Lee <Mark-MC.Lee@mediatek.com>, Andrew Lunn <andrew+netdev@lunn.ch>,
+ "David S. Miller" <davem@davemloft.net>, Eric Dumazet <edumazet@google.com>,
+ Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
+ Matthias Brugger <matthias.bgg@gmail.com>,
+ AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
+Cc: linux-arm-kernel@lists.infradead.org,
+ linux-mediatek@lists.infradead.org, netdev@vger.kernel.org,
+ Lorenzo Bianconi <lorenzo@kernel.org>
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+X-Patchwork-Delegate: kuba@kernel.org
+
+Limit ETS QoS channel to AIROHA_NUM_QOS_CHANNELS in
+airoha_tc_setup_qdisc_ets() in order to align the configured channel to
+the value set in airoha_dev_select_queue().
+
+Fixes: 20bf7d07c956 ("net: airoha: Add sched ETS offload support")
+Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
+Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
+---
+ drivers/net/ethernet/mediatek/airoha_eth.c | 5 ++++-
+ 1 file changed, 4 insertions(+), 1 deletion(-)
+
+
+---
+base-commit: a1942da8a38717ddd9b4c132f59e1657c85c1432
+change-id: 20250107-airoha-ets-fix-chan-e35ccac76d64
+
+Best regards,
+
+--- a/drivers/net/ethernet/mediatek/airoha_eth.c
++++ b/drivers/net/ethernet/mediatek/airoha_eth.c
+@@ -2833,11 +2833,14 @@ static int airoha_qdma_get_tx_ets_stats(
+ static int airoha_tc_setup_qdisc_ets(struct airoha_gdm_port *port,
+ 				     struct tc_ets_qopt_offload *opt)
+ {
+-	int channel = TC_H_MAJ(opt->handle) >> 16;
++	int channel;
+ 
+ 	if (opt->parent == TC_H_ROOT)
+ 		return -EINVAL;
+ 
++	channel = TC_H_MAJ(opt->handle) >> 16;
++	channel = channel % AIROHA_NUM_QOS_CHANNELS;
++
+ 	switch (opt->command) {
+ 	case TC_ETS_REPLACE:
+ 		return airoha_qdma_set_tx_ets_sched(port, channel, opt);