--- /dev/null
+From c9da02bfb1112461e048d3b736afb1873f6f4ccf Mon Sep 17 00:00:00 2001
+From: Daniel Golle <daniel@makrotopia.org>
+Date: Tue, 27 Sep 2022 16:30:02 +0100
+Subject: [PATCH 1/1] net: ethernet: mtk_eth_soc: fix mask of
+ RX_DMA_GET_SPORT{,_V2}
+
+The bitmasks applied in RX_DMA_GET_SPORT and RX_DMA_GET_SPORT_V2 macros
+were swapped. Fix that.
+
+Reported-by: Chen Minqiang <ptpt52@gmail.com>
+Fixes: 160d3a9b192985 ("net: ethernet: mtk_eth_soc: introduce MTK_NETSYS_V2 support")
+Acked-by: Lorenzo Bianconi <lorenzo@kernel.org>
+Signed-off-by: Daniel Golle <daniel@makrotopia.org>
+Link: https://lore.kernel.org/r/YzMW+mg9UsaCdKRQ@makrotopia.org
+Signed-off-by: Jakub Kicinski <kuba@kernel.org>
+---
+ drivers/net/ethernet/mediatek/mtk_eth_soc.h | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h
++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
+@@ -315,8 +315,8 @@
+ #define MTK_RXD5_PPE_CPU_REASON GENMASK(22, 18)
+ #define MTK_RXD5_SRC_PORT GENMASK(29, 26)
+
+-#define RX_DMA_GET_SPORT(x) (((x) >> 19) & 0xf)
+-#define RX_DMA_GET_SPORT_V2(x) (((x) >> 26) & 0x7)
++#define RX_DMA_GET_SPORT(x) (((x) >> 19) & 0x7)
++#define RX_DMA_GET_SPORT_V2(x) (((x) >> 26) & 0xf)
+
+ /* PDMA V2 descriptor rxd3 */
+ #define RX_DMA_VTAG_V2 BIT(0)
--- /dev/null
+From ae3ed15da5889263de372ff9df2e83e16acca4cb Mon Sep 17 00:00:00 2001
+From: Daniel Golle <daniel@makrotopia.org>
+Date: Fri, 30 Sep 2022 01:56:53 +0100
+Subject: [PATCH 1/1] net: ethernet: mtk_eth_soc: fix state in
+ __mtk_foe_entry_clear
+
+Setting ib1 state to MTK_FOE_STATE_UNBIND in __mtk_foe_entry_clear
+routine as done by commit 0e80707d94e4c8 ("net: ethernet: mtk_eth_soc:
+fix typo in __mtk_foe_entry_clear") breaks flow offloading, at least
+on older MTK_NETSYS_V1 SoCs, OpenWrt users have confirmed the bug on
+MT7622 and MT7621 systems.
+Felix Fietkau suggested to use MTK_FOE_STATE_INVALID instead which
+works well on both, MTK_NETSYS_V1 and MTK_NETSYS_V2.
+
+Tested on MT7622 (Linksys E8450) and MT7986 (BananaPi BPI-R3).
+
+Suggested-by: Felix Fietkau <nbd@nbd.name>
+Fixes: 0e80707d94e4c8 ("net: ethernet: mtk_eth_soc: fix typo in __mtk_foe_entry_clear")
+Fixes: 33fc42de33278b ("net: ethernet: mtk_eth_soc: support creating mac address based offload entries")
+Signed-off-by: Daniel Golle <daniel@makrotopia.org>
+Link: https://lore.kernel.org/r/YzY+1Yg0FBXcnrtc@makrotopia.org
+Signed-off-by: Jakub Kicinski <kuba@kernel.org>
+---
+ drivers/net/ethernet/mediatek/mtk_ppe.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+--- a/drivers/net/ethernet/mediatek/mtk_ppe.c
++++ b/drivers/net/ethernet/mediatek/mtk_ppe.c
+@@ -442,7 +442,7 @@ __mtk_foe_entry_clear(struct mtk_ppe *pp
+ struct mtk_foe_entry *hwe = mtk_foe_get_entry(ppe, entry->hash);
+
+ hwe->ib1 &= ~MTK_FOE_IB1_STATE;
+- hwe->ib1 |= FIELD_PREP(MTK_FOE_IB1_STATE, MTK_FOE_STATE_UNBIND);
++ hwe->ib1 |= FIELD_PREP(MTK_FOE_IB1_STATE, MTK_FOE_STATE_INVALID);
+ dma_wmb();
+ }
+ entry->hash = 0xffff;
--- /dev/null
+From b3d0d98179d62f9d55635a600679c4fa362baf8d Mon Sep 17 00:00:00 2001
+From: Yang Yingliang <yangyingliang@huawei.com>
+Date: Mon, 17 Oct 2022 11:51:54 +0800
+Subject: [PATCH 1/3] net: ethernet: mtk_eth_soc: fix possible memory leak in
+ mtk_probe()
+
+If mtk_wed_add_hw() has been called, mtk_wed_exit() needs be called
+in error path or removing module to free the memory allocated in
+mtk_wed_add_hw().
+
+Fixes: 804775dfc288 ("net: ethernet: mtk_eth_soc: add support for Wireless Ethernet Dispatch (WED)")
+Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
+Signed-off-by: David S. Miller <davem@davemloft.net>
+---
+ drivers/net/ethernet/mediatek/mtk_eth_soc.c | 17 ++++++++++++-----
+ 1 file changed, 12 insertions(+), 5 deletions(-)
+
+--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+@@ -4008,19 +4008,23 @@ static int mtk_probe(struct platform_dev
+ eth->irq[i] = platform_get_irq(pdev, i);
+ if (eth->irq[i] < 0) {
+ dev_err(&pdev->dev, "no IRQ%d resource found\n", i);
+- return -ENXIO;
++ err = -ENXIO;
++ goto err_wed_exit;
+ }
+ }
+ for (i = 0; i < ARRAY_SIZE(eth->clks); i++) {
+ eth->clks[i] = devm_clk_get(eth->dev,
+ mtk_clks_source_name[i]);
+ if (IS_ERR(eth->clks[i])) {
+- if (PTR_ERR(eth->clks[i]) == -EPROBE_DEFER)
+- return -EPROBE_DEFER;
++ if (PTR_ERR(eth->clks[i]) == -EPROBE_DEFER) {
++ err = -EPROBE_DEFER;
++ goto err_wed_exit;
++ }
+ if (eth->soc->required_clks & BIT(i)) {
+ dev_err(&pdev->dev, "clock %s not found\n",
+ mtk_clks_source_name[i]);
+- return -EINVAL;
++ err = -EINVAL;
++ goto err_wed_exit;
+ }
+ eth->clks[i] = NULL;
+ }
+@@ -4031,7 +4035,7 @@ static int mtk_probe(struct platform_dev
+
+ err = mtk_hw_init(eth);
+ if (err)
+- return err;
++ goto err_wed_exit;
+
+ eth->hwlro = MTK_HAS_CAPS(eth->soc->caps, MTK_HWLRO);
+
+@@ -4129,6 +4133,8 @@ err_free_dev:
+ mtk_free_dev(eth);
+ err_deinit_hw:
+ mtk_hw_deinit(eth);
++err_wed_exit:
++ mtk_wed_exit();
+
+ return err;
+ }
+@@ -4148,6 +4154,7 @@ static int mtk_remove(struct platform_de
+ phylink_disconnect_phy(mac->phylink);
+ }
+
++ mtk_wed_exit();
+ mtk_hw_deinit(eth);
+
+ netif_napi_del(ð->tx_napi);
--- /dev/null
+From 9d4f20a476ca57e4c9246eb1fa2a61bea2354720 Mon Sep 17 00:00:00 2001
+From: Yang Yingliang <yangyingliang@huawei.com>
+Date: Mon, 17 Oct 2022 11:51:55 +0800
+Subject: [PATCH 2/3] net: ethernet: mtk_eth_wed: add missing put_device() in
+ mtk_wed_add_hw()
+
+After calling get_device() in mtk_wed_add_hw(), in error path, put_device()
+needs be called.
+
+Fixes: 804775dfc288 ("net: ethernet: mtk_eth_soc: add support for Wireless Ethernet Dispatch (WED)")
+Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
+Signed-off-by: David S. Miller <davem@davemloft.net>
+---
+ drivers/net/ethernet/mediatek/mtk_wed.c | 10 ++++++++--
+ 1 file changed, 8 insertions(+), 2 deletions(-)
+
+--- a/drivers/net/ethernet/mediatek/mtk_wed.c
++++ b/drivers/net/ethernet/mediatek/mtk_wed.c
+@@ -1084,11 +1084,11 @@ void mtk_wed_add_hw(struct device_node *
+ get_device(&pdev->dev);
+ irq = platform_get_irq(pdev, 0);
+ if (irq < 0)
+- return;
++ goto err_put_device;
+
+ regs = syscon_regmap_lookup_by_phandle(np, NULL);
+ if (IS_ERR(regs))
+- return;
++ goto err_put_device;
+
+ rcu_assign_pointer(mtk_soc_wed_ops, &wed_ops);
+
+@@ -1131,8 +1131,14 @@ void mtk_wed_add_hw(struct device_node *
+
+ hw_list[index] = hw;
+
++ mutex_unlock(&hw_lock);
++
++ return;
++
+ unlock:
+ mutex_unlock(&hw_lock);
++err_put_device:
++ put_device(&pdev->dev);
+ }
+
+ void mtk_wed_exit(void)
--- /dev/null
+From e0bb4659e235770e6f53b3692e958591f49448f5 Mon Sep 17 00:00:00 2001
+From: Yang Yingliang <yangyingliang@huawei.com>
+Date: Mon, 17 Oct 2022 11:51:56 +0800
+Subject: [PATCH 3/3] net: ethernet: mtk_eth_wed: add missing of_node_put()
+
+The device_node pointer returned by of_parse_phandle() with refcount
+incremented, when finish using it, the refcount need be decreased.
+
+Fixes: 804775dfc288 ("net: ethernet: mtk_eth_soc: add support for Wireless Ethernet Dispatch (WED)")
+Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
+Signed-off-by: David S. Miller <davem@davemloft.net>
+---
+ drivers/net/ethernet/mediatek/mtk_wed.c | 5 ++++-
+ 1 file changed, 4 insertions(+), 1 deletion(-)
+
+--- a/drivers/net/ethernet/mediatek/mtk_wed.c
++++ b/drivers/net/ethernet/mediatek/mtk_wed.c
+@@ -1079,7 +1079,7 @@ void mtk_wed_add_hw(struct device_node *
+
+ pdev = of_find_device_by_node(np);
+ if (!pdev)
+- return;
++ goto err_of_node_put;
+
+ get_device(&pdev->dev);
+ irq = platform_get_irq(pdev, 0);
+@@ -1139,6 +1139,8 @@ unlock:
+ mutex_unlock(&hw_lock);
+ err_put_device:
+ put_device(&pdev->dev);
++err_of_node_put:
++ of_node_put(np);
+ }
+
+ void mtk_wed_exit(void)
+@@ -1159,6 +1161,7 @@ void mtk_wed_exit(void)
+ hw_list[i] = NULL;
+ debugfs_remove(hw->debugfs_dir);
+ put_device(hw->dev);
++ of_node_put(hw->node);
+ kfree(hw);
+ }
+ }
+++ /dev/null
-From c9da02bfb1112461e048d3b736afb1873f6f4ccf Mon Sep 17 00:00:00 2001
-From: Daniel Golle <daniel@makrotopia.org>
-Date: Tue, 27 Sep 2022 16:30:02 +0100
-Subject: [PATCH 1/1] net: ethernet: mtk_eth_soc: fix mask of
- RX_DMA_GET_SPORT{,_V2}
-
-The bitmasks applied in RX_DMA_GET_SPORT and RX_DMA_GET_SPORT_V2 macros
-were swapped. Fix that.
-
-Reported-by: Chen Minqiang <ptpt52@gmail.com>
-Fixes: 160d3a9b192985 ("net: ethernet: mtk_eth_soc: introduce MTK_NETSYS_V2 support")
-Acked-by: Lorenzo Bianconi <lorenzo@kernel.org>
-Signed-off-by: Daniel Golle <daniel@makrotopia.org>
-Link: https://lore.kernel.org/r/YzMW+mg9UsaCdKRQ@makrotopia.org
-Signed-off-by: Jakub Kicinski <kuba@kernel.org>
----
- drivers/net/ethernet/mediatek/mtk_eth_soc.h | 4 ++--
- 1 file changed, 2 insertions(+), 2 deletions(-)
-
---- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h
-+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
-@@ -315,8 +315,8 @@
- #define MTK_RXD5_PPE_CPU_REASON GENMASK(22, 18)
- #define MTK_RXD5_SRC_PORT GENMASK(29, 26)
-
--#define RX_DMA_GET_SPORT(x) (((x) >> 19) & 0xf)
--#define RX_DMA_GET_SPORT_V2(x) (((x) >> 26) & 0x7)
-+#define RX_DMA_GET_SPORT(x) (((x) >> 19) & 0x7)
-+#define RX_DMA_GET_SPORT_V2(x) (((x) >> 26) & 0xf)
-
- /* PDMA V2 descriptor rxd3 */
- #define RX_DMA_VTAG_V2 BIT(0)
+++ /dev/null
-From ae3ed15da5889263de372ff9df2e83e16acca4cb Mon Sep 17 00:00:00 2001
-From: Daniel Golle <daniel@makrotopia.org>
-Date: Fri, 30 Sep 2022 01:56:53 +0100
-Subject: [PATCH 1/1] net: ethernet: mtk_eth_soc: fix state in
- __mtk_foe_entry_clear
-
-Setting ib1 state to MTK_FOE_STATE_UNBIND in __mtk_foe_entry_clear
-routine as done by commit 0e80707d94e4c8 ("net: ethernet: mtk_eth_soc:
-fix typo in __mtk_foe_entry_clear") breaks flow offloading, at least
-on older MTK_NETSYS_V1 SoCs, OpenWrt users have confirmed the bug on
-MT7622 and MT7621 systems.
-Felix Fietkau suggested to use MTK_FOE_STATE_INVALID instead which
-works well on both, MTK_NETSYS_V1 and MTK_NETSYS_V2.
-
-Tested on MT7622 (Linksys E8450) and MT7986 (BananaPi BPI-R3).
-
-Suggested-by: Felix Fietkau <nbd@nbd.name>
-Fixes: 0e80707d94e4c8 ("net: ethernet: mtk_eth_soc: fix typo in __mtk_foe_entry_clear")
-Fixes: 33fc42de33278b ("net: ethernet: mtk_eth_soc: support creating mac address based offload entries")
-Signed-off-by: Daniel Golle <daniel@makrotopia.org>
-Link: https://lore.kernel.org/r/YzY+1Yg0FBXcnrtc@makrotopia.org
-Signed-off-by: Jakub Kicinski <kuba@kernel.org>
----
- drivers/net/ethernet/mediatek/mtk_ppe.c | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
---- a/drivers/net/ethernet/mediatek/mtk_ppe.c
-+++ b/drivers/net/ethernet/mediatek/mtk_ppe.c
-@@ -442,7 +442,7 @@ __mtk_foe_entry_clear(struct mtk_ppe *pp
- struct mtk_foe_entry *hwe = mtk_foe_get_entry(ppe, entry->hash);
-
- hwe->ib1 &= ~MTK_FOE_IB1_STATE;
-- hwe->ib1 |= FIELD_PREP(MTK_FOE_IB1_STATE, MTK_FOE_STATE_UNBIND);
-+ hwe->ib1 |= FIELD_PREP(MTK_FOE_IB1_STATE, MTK_FOE_STATE_INVALID);
- dma_wmb();
- }
- entry->hash = 0xffff;
}
return IRQ_HANDLED;
-@@ -4114,6 +4114,8 @@ static int mtk_probe(struct platform_dev
+@@ -4118,6 +4118,8 @@ static int mtk_probe(struct platform_dev
* for NAPI to work
*/
init_dummy_netdev(ð->dummy_dev);
projects / openwrt / staging / xback.git / commitdiff