From: Rafał Miłecki Date: Fri, 17 Sep 2021 08:07:22 +0000 (+0200) Subject: linux: update b53 upstream driver X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=8fa1b576bbb56d00765d15863daa1b4cf44060e5;p=openwrt%2Fstaging%2Fblogic.git linux: update b53 upstream driver Signed-off-by: Rafał Miłecki --- diff --git a/target/linux/bmips/patches-5.10/045-v5.13-net-dsa-b53-spi-allow-device-tree-probing.patch b/target/linux/bmips/patches-5.10/045-v5.13-net-dsa-b53-spi-allow-device-tree-probing.patch deleted file mode 100644 index 56579b2d3604..000000000000 --- a/target/linux/bmips/patches-5.10/045-v5.13-net-dsa-b53-spi-allow-device-tree-probing.patch +++ /dev/null @@ -1,41 +0,0 @@ -From 6d16eadab6db0c1d61e59fee7ed1ecc2d10269be Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= -Date: Mon, 15 Mar 2021 15:14:23 +0100 -Subject: [PATCH] net: dsa: b53: spi: allow device tree probing -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -Add missing of_match_table to allow device tree probing. - -Signed-off-by: Álvaro Fernández Rojas -Signed-off-by: David S. Miller ---- - drivers/net/dsa/b53/b53_spi.c | 13 +++++++++++++ - 1 file changed, 13 insertions(+) - ---- a/drivers/net/dsa/b53/b53_spi.c -+++ b/drivers/net/dsa/b53/b53_spi.c -@@ -324,9 +324,22 @@ static int b53_spi_remove(struct spi_dev - return 0; - } - -+static const struct of_device_id b53_spi_of_match[] = { -+ { .compatible = "brcm,bcm5325" }, -+ { .compatible = "brcm,bcm5365" }, -+ { .compatible = "brcm,bcm5395" }, -+ { .compatible = "brcm,bcm5397" }, -+ { .compatible = "brcm,bcm5398" }, -+ { .compatible = "brcm,bcm53115" }, -+ { .compatible = "brcm,bcm53125" }, -+ { .compatible = "brcm,bcm53128" }, -+ { /* sentinel */ } -+}; -+ - static struct spi_driver b53_spi_driver = { - .driver = { - .name = "b53-switch", -+ .of_match_table = b53_spi_of_match, - }, - .probe = b53_spi_probe, - .remove = b53_spi_remove, diff --git a/target/linux/bmips/patches-5.10/048-v5.13-net-dsa-b53-relax-is63xx-condition.patch b/target/linux/bmips/patches-5.10/048-v5.13-net-dsa-b53-relax-is63xx-condition.patch deleted file mode 100644 index ef5522ad3393..000000000000 --- a/target/linux/bmips/patches-5.10/048-v5.13-net-dsa-b53-relax-is63xx-condition.patch +++ /dev/null @@ -1,31 +0,0 @@ -From ad426d7d966b525b73ed5a1842dd830312bbba71 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= -Date: Wed, 17 Mar 2021 09:42:01 +0100 -Subject: [PATCH] net: dsa: b53: relax is63xx() condition -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -BCM63xx switches are present on bcm63xx and bmips devices. - -Signed-off-by: Álvaro Fernández Rojas -Acked-by: Florian Fainelli -Signed-off-by: David S. Miller ---- - drivers/net/dsa/b53/b53_priv.h | 4 ---- - 1 file changed, 4 deletions(-) - ---- a/drivers/net/dsa/b53/b53_priv.h -+++ b/drivers/net/dsa/b53/b53_priv.h -@@ -185,11 +185,7 @@ static inline int is531x5(struct b53_dev - - static inline int is63xx(struct b53_device *dev) - { --#ifdef CONFIG_BCM63XX - return dev->chip_id == BCM63XX_DEVICE_ID; --#else -- return 0; --#endif - } - - static inline int is5301x(struct b53_device *dev) diff --git a/target/linux/bmips/patches-5.10/049-v5.13-net-dsa-tag_brcm-add-support-for-legacy-tags.patch b/target/linux/bmips/patches-5.10/049-v5.13-net-dsa-tag_brcm-add-support-for-legacy-tags.patch deleted file mode 100644 index c689bc84d174..000000000000 --- a/target/linux/bmips/patches-5.10/049-v5.13-net-dsa-tag_brcm-add-support-for-legacy-tags.patch +++ /dev/null @@ -1,180 +0,0 @@ -From 964dbf186eaa84d409c359ddf09c827a3fbe8228 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= -Date: Wed, 17 Mar 2021 11:29:26 +0100 -Subject: [PATCH 1/2] net: dsa: tag_brcm: add support for legacy tags -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -Add support for legacy Broadcom tags, which are similar to DSA_TAG_PROTO_BRCM. -These tags are used on BCM5325, BCM5365 and BCM63xx switches. - -Signed-off-by: Álvaro Fernández Rojas -Signed-off-by: David S. Miller ---- - include/net/dsa.h | 2 + - net/dsa/Kconfig | 7 +++ - net/dsa/tag_brcm.c | 107 +++++++++++++++++++++++++++++++++++++++++++-- - 3 files changed, 113 insertions(+), 3 deletions(-) - ---- a/include/net/dsa.h -+++ b/include/net/dsa.h -@@ -45,10 +45,12 @@ struct phylink_link_state; - #define DSA_TAG_PROTO_OCELOT_VALUE 15 - #define DSA_TAG_PROTO_AR9331_VALUE 16 - #define DSA_TAG_PROTO_RTL4_A_VALUE 17 -+#define DSA_TAG_PROTO_BRCM_LEGACY_VALUE 22 - - enum dsa_tag_protocol { - DSA_TAG_PROTO_NONE = DSA_TAG_PROTO_NONE_VALUE, - DSA_TAG_PROTO_BRCM = DSA_TAG_PROTO_BRCM_VALUE, -+ DSA_TAG_PROTO_BRCM_LEGACY = DSA_TAG_PROTO_BRCM_LEGACY_VALUE, - DSA_TAG_PROTO_BRCM_PREPEND = DSA_TAG_PROTO_BRCM_PREPEND_VALUE, - DSA_TAG_PROTO_DSA = DSA_TAG_PROTO_DSA_VALUE, - DSA_TAG_PROTO_EDSA = DSA_TAG_PROTO_EDSA_VALUE, ---- a/net/dsa/Kconfig -+++ b/net/dsa/Kconfig -@@ -47,6 +47,13 @@ config NET_DSA_TAG_BRCM - Say Y if you want to enable support for tagging frames for the - Broadcom switches which place the tag after the MAC source address. - -+config NET_DSA_TAG_BRCM_LEGACY -+ tristate "Tag driver for Broadcom legacy switches using in-frame headers" -+ select NET_DSA_TAG_BRCM_COMMON -+ help -+ Say Y if you want to enable support for tagging frames for the -+ Broadcom legacy switches which place the tag after the MAC source -+ address. - - config NET_DSA_TAG_BRCM_PREPEND - tristate "Tag driver for Broadcom switches using prepended headers" ---- a/net/dsa/tag_brcm.c -+++ b/net/dsa/tag_brcm.c -@@ -11,9 +11,26 @@ - - #include "dsa_priv.h" - --/* This tag length is 4 bytes, older ones were 6 bytes, we do not -- * handle them -- */ -+/* Legacy Broadcom tag (6 bytes) */ -+#define BRCM_LEG_TAG_LEN 6 -+ -+/* Type fields */ -+/* 1st byte in the tag */ -+#define BRCM_LEG_TYPE_HI 0x88 -+/* 2nd byte in the tag */ -+#define BRCM_LEG_TYPE_LO 0x74 -+ -+/* Tag fields */ -+/* 3rd byte in the tag */ -+#define BRCM_LEG_UNICAST (0 << 5) -+#define BRCM_LEG_MULTICAST (1 << 5) -+#define BRCM_LEG_EGRESS (2 << 5) -+#define BRCM_LEG_INGRESS (3 << 5) -+ -+/* 6th byte in the tag */ -+#define BRCM_LEG_PORT_ID (0xf) -+ -+/* Newer Broadcom tag (4 bytes) */ - #define BRCM_TAG_LEN 4 - - /* Tag is constructed and desconstructed using byte by byte access -@@ -194,6 +211,87 @@ DSA_TAG_DRIVER(brcm_netdev_ops); - MODULE_ALIAS_DSA_TAG_DRIVER(DSA_TAG_PROTO_BRCM); - #endif - -+#if IS_ENABLED(CONFIG_NET_DSA_TAG_BRCM_LEGACY) -+static struct sk_buff *brcm_leg_tag_xmit(struct sk_buff *skb, -+ struct net_device *dev) -+{ -+ struct dsa_port *dp = dsa_slave_to_port(dev); -+ u8 *brcm_tag; -+ -+ /* The Ethernet switch we are interfaced with needs packets to be at -+ * least 64 bytes (including FCS) otherwise they will be discarded when -+ * they enter the switch port logic. When Broadcom tags are enabled, we -+ * need to make sure that packets are at least 70 bytes -+ * (including FCS and tag) because the length verification is done after -+ * the Broadcom tag is stripped off the ingress packet. -+ * -+ * Let dsa_slave_xmit() free the SKB -+ */ -+ if (__skb_put_padto(skb, ETH_ZLEN + BRCM_LEG_TAG_LEN, false)) -+ return NULL; -+ -+ skb_push(skb, BRCM_LEG_TAG_LEN); -+ -+ memmove(skb->data, skb->data + BRCM_LEG_TAG_LEN, 2 * ETH_ALEN); -+ -+ brcm_tag = skb->data + 2 * ETH_ALEN; -+ -+ /* Broadcom tag type */ -+ brcm_tag[0] = BRCM_LEG_TYPE_HI; -+ brcm_tag[1] = BRCM_LEG_TYPE_LO; -+ -+ /* Broadcom tag value */ -+ brcm_tag[2] = BRCM_LEG_EGRESS; -+ brcm_tag[3] = 0; -+ brcm_tag[4] = 0; -+ brcm_tag[5] = dp->index & BRCM_LEG_PORT_ID; -+ -+ return skb; -+} -+ -+static struct sk_buff *brcm_leg_tag_rcv(struct sk_buff *skb, -+ struct net_device *dev, -+ struct packet_type *pt) -+{ -+ int source_port; -+ u8 *brcm_tag; -+ -+ if (unlikely(!pskb_may_pull(skb, BRCM_LEG_PORT_ID))) -+ return NULL; -+ -+ brcm_tag = skb->data - 2; -+ -+ source_port = brcm_tag[5] & BRCM_LEG_PORT_ID; -+ -+ skb->dev = dsa_master_find_slave(dev, 0, source_port); -+ if (!skb->dev) -+ return NULL; -+ -+ /* Remove Broadcom tag and update checksum */ -+ skb_pull_rcsum(skb, BRCM_LEG_TAG_LEN); -+ -+ skb->offload_fwd_mark = 1; -+ -+ /* Move the Ethernet DA and SA */ -+ memmove(skb->data - ETH_HLEN, -+ skb->data - ETH_HLEN - BRCM_LEG_TAG_LEN, -+ 2 * ETH_ALEN); -+ -+ return skb; -+} -+ -+static const struct dsa_device_ops brcm_legacy_netdev_ops = { -+ .name = "brcm-legacy", -+ .proto = DSA_TAG_PROTO_BRCM_LEGACY, -+ .xmit = brcm_leg_tag_xmit, -+ .rcv = brcm_leg_tag_rcv, -+ .overhead = BRCM_LEG_TAG_LEN, -+}; -+ -+DSA_TAG_DRIVER(brcm_legacy_netdev_ops); -+MODULE_ALIAS_DSA_TAG_DRIVER(DSA_TAG_PROTO_BRCM_LEGACY); -+#endif /* CONFIG_NET_DSA_TAG_BRCM_LEGACY */ -+ - #if IS_ENABLED(CONFIG_NET_DSA_TAG_BRCM_PREPEND) - static struct sk_buff *brcm_tag_xmit_prepend(struct sk_buff *skb, - struct net_device *dev) -@@ -226,6 +324,9 @@ static struct dsa_tag_driver *dsa_tag_dr - #if IS_ENABLED(CONFIG_NET_DSA_TAG_BRCM) - &DSA_TAG_DRIVER_NAME(brcm_netdev_ops), - #endif -+#if IS_ENABLED(CONFIG_NET_DSA_TAG_BRCM_LEGACY) -+ &DSA_TAG_DRIVER_NAME(brcm_legacy_netdev_ops), -+#endif - #if IS_ENABLED(CONFIG_NET_DSA_TAG_BRCM_PREPEND) - &DSA_TAG_DRIVER_NAME(brcm_prepend_netdev_ops), - #endif diff --git a/target/linux/bmips/patches-5.10/050-v5.13-net-dsa-b53-support-legacy-tags.patch b/target/linux/bmips/patches-5.10/050-v5.13-net-dsa-b53-support-legacy-tags.patch deleted file mode 100644 index 18cd09ff0e48..000000000000 --- a/target/linux/bmips/patches-5.10/050-v5.13-net-dsa-b53-support-legacy-tags.patch +++ /dev/null @@ -1,53 +0,0 @@ -From 46c5176c586c81306bf9e7024c13b95da775490f Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= -Date: Wed, 17 Mar 2021 11:29:27 +0100 -Subject: [PATCH 2/2] net: dsa: b53: support legacy tags -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -These tags are used on BCM5325, BCM5365 and BCM63xx switches. - -Signed-off-by: Álvaro Fernández Rojas -Acked-by: Florian Fainelli -Signed-off-by: David S. Miller ---- - drivers/net/dsa/b53/Kconfig | 1 + - drivers/net/dsa/b53/b53_common.c | 12 +++++++----- - 2 files changed, 8 insertions(+), 5 deletions(-) - ---- a/drivers/net/dsa/b53/Kconfig -+++ b/drivers/net/dsa/b53/Kconfig -@@ -3,6 +3,7 @@ menuconfig B53 - tristate "Broadcom BCM53xx managed switch support" - depends on NET_DSA - select NET_DSA_TAG_BRCM -+ select NET_DSA_TAG_BRCM_LEGACY - select NET_DSA_TAG_BRCM_PREPEND - help - This driver adds support for Broadcom managed switch chips. It supports ---- a/drivers/net/dsa/b53/b53_common.c -+++ b/drivers/net/dsa/b53/b53_common.c -@@ -2021,15 +2021,17 @@ enum dsa_tag_protocol b53_get_tag_protoc - { - struct b53_device *dev = ds->priv; - -- /* Older models (5325, 5365) support a different tag format that we do -- * not support in net/dsa/tag_brcm.c yet. -- */ -- if (is5325(dev) || is5365(dev) || -- !b53_can_enable_brcm_tags(ds, port, mprot)) { -+ if (!b53_can_enable_brcm_tags(ds, port, mprot)) { - dev->tag_protocol = DSA_TAG_PROTO_NONE; - goto out; - } - -+ /* Older models require a different 6 byte tag */ -+ if (is5325(dev) || is5365(dev) || is63xx(dev)) { -+ dev->tag_protocol = DSA_TAG_PROTO_BRCM_LEGACY; -+ goto out; -+ } -+ - /* Broadcom BCM58xx chips have a flow accelerator on Port 8 - * which requires us to use the prepended Broadcom tag type - */ diff --git a/target/linux/bmips/patches-5.10/051-v5.13-net-dsa-b53-mmap-Add-device-tree-support.patch b/target/linux/bmips/patches-5.10/051-v5.13-net-dsa-b53-mmap-Add-device-tree-support.patch deleted file mode 100644 index c1014b20bcfe..000000000000 --- a/target/linux/bmips/patches-5.10/051-v5.13-net-dsa-b53-mmap-Add-device-tree-support.patch +++ /dev/null @@ -1,92 +0,0 @@ -From a5538a777b73b35750ed1ffff8c1ef539e861624 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= -Date: Wed, 17 Mar 2021 10:23:17 +0100 -Subject: [PATCH] net: dsa: b53: mmap: Add device tree support -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -Add device tree support to b53_mmap.c while keeping platform devices support. - -Signed-off-by: Álvaro Fernández Rojas -Signed-off-by: David S. Miller ---- - drivers/net/dsa/b53/b53_mmap.c | 55 ++++++++++++++++++++++++++++++++++ - 1 file changed, 55 insertions(+) - ---- a/drivers/net/dsa/b53/b53_mmap.c -+++ b/drivers/net/dsa/b53/b53_mmap.c -@@ -16,6 +16,7 @@ - * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -+#include - #include - #include - #include -@@ -228,11 +229,65 @@ static const struct b53_io_ops b53_mmap_ - .write64 = b53_mmap_write64, - }; - -+static int b53_mmap_probe_of(struct platform_device *pdev, -+ struct b53_platform_data **ppdata) -+{ -+ struct device_node *np = pdev->dev.of_node; -+ struct device_node *of_ports, *of_port; -+ struct device *dev = &pdev->dev; -+ struct b53_platform_data *pdata; -+ void __iomem *mem; -+ -+ mem = devm_platform_ioremap_resource(pdev, 0); -+ if (IS_ERR(mem)) -+ return PTR_ERR(mem); -+ -+ pdata = devm_kzalloc(dev, sizeof(struct b53_platform_data), -+ GFP_KERNEL); -+ if (!pdata) -+ return -ENOMEM; -+ -+ pdata->regs = mem; -+ pdata->chip_id = BCM63XX_DEVICE_ID; -+ pdata->big_endian = of_property_read_bool(np, "big-endian"); -+ -+ of_ports = of_get_child_by_name(np, "ports"); -+ if (!of_ports) { -+ dev_err(dev, "no ports child node found\n"); -+ return -EINVAL; -+ } -+ -+ for_each_available_child_of_node(of_ports, of_port) { -+ u32 reg; -+ -+ if (of_property_read_u32(of_port, "reg", ®)) -+ continue; -+ -+ if (reg < B53_CPU_PORT) -+ pdata->enabled_ports |= BIT(reg); -+ } -+ -+ of_node_put(of_ports); -+ *ppdata = pdata; -+ -+ return 0; -+} -+ - static int b53_mmap_probe(struct platform_device *pdev) - { -+ struct device_node *np = pdev->dev.of_node; - struct b53_platform_data *pdata = pdev->dev.platform_data; - struct b53_mmap_priv *priv; - struct b53_device *dev; -+ int ret; -+ -+ if (!pdata && np) { -+ ret = b53_mmap_probe_of(pdev, &pdata); -+ if (ret) { -+ dev_err(&pdev->dev, "OF probe error\n"); -+ return ret; -+ } -+ } - - if (!pdata) - return -EINVAL; diff --git a/target/linux/bmips/patches-5.10/510-net-dsa-b53-add-support-for-BCM63xx-RGMIIs.patch b/target/linux/bmips/patches-5.10/510-net-dsa-b53-add-support-for-BCM63xx-RGMIIs.patch index 41655231fa47..c636e3a907b7 100644 --- a/target/linux/bmips/patches-5.10/510-net-dsa-b53-add-support-for-BCM63xx-RGMIIs.patch +++ b/target/linux/bmips/patches-5.10/510-net-dsa-b53-add-support-for-BCM63xx-RGMIIs.patch @@ -13,7 +13,7 @@ Signed-off-by: Álvaro Fernández Rojas --- a/drivers/net/dsa/b53/b53_common.c +++ b/drivers/net/dsa/b53/b53_common.c -@@ -1148,6 +1148,36 @@ static void b53_force_port_config(struct +@@ -1174,6 +1174,36 @@ static void b53_force_port_config(struct b53_write8(dev, B53_CTRL_PAGE, off, reg); } @@ -50,7 +50,7 @@ Signed-off-by: Álvaro Fernández Rojas static void b53_adjust_link(struct dsa_switch *ds, int port, struct phy_device *phydev) { -@@ -1174,6 +1204,9 @@ static void b53_adjust_link(struct dsa_s +@@ -1200,6 +1230,9 @@ static void b53_adjust_link(struct dsa_s tx_pause, rx_pause); b53_force_link(dev, port, phydev->link); @@ -58,9 +58,9 @@ Signed-off-by: Álvaro Fernández Rojas + b53_adjust_63xx_rgmii(ds, port, phydev->interface); + if (is531x5(dev) && phy_interface_is_rgmii(phydev)) { - if (port == 8) + if (port == dev->imp_port) off = B53_RGMII_CTRL_IMP; -@@ -1366,6 +1399,9 @@ void b53_phylink_mac_link_up(struct dsa_ +@@ -1386,6 +1419,9 @@ void b53_phylink_mac_link_up(struct dsa_ { struct b53_device *dev = ds->priv; diff --git a/target/linux/generic/backport-5.10/790-v5.13-0001-net-dsa-b53-Add-debug-prints-in-b53_vlan_enable.patch b/target/linux/generic/backport-5.10/790-v5.13-0001-net-dsa-b53-Add-debug-prints-in-b53_vlan_enable.patch new file mode 100644 index 000000000000..91cf55b18a3a --- /dev/null +++ b/target/linux/generic/backport-5.10/790-v5.13-0001-net-dsa-b53-Add-debug-prints-in-b53_vlan_enable.patch @@ -0,0 +1,65 @@ +From ee47ed08d75e8f16b3cf882061ee19c2ea19dd6c Mon Sep 17 00:00:00 2001 +From: Florian Fainelli +Date: Wed, 10 Mar 2021 10:52:26 -0800 +Subject: [PATCH] net: dsa: b53: Add debug prints in b53_vlan_enable() + +Having dynamic debug prints in b53_vlan_enable() has been helpful to +uncover a recent but update the function to indicate the port being +configured (or -1 for initial setup) and include the global VLAN enabled +and VLAN filtering enable status. + +Signed-off-by: Florian Fainelli +Reviewed-by: Andrew Lunn +Signed-off-by: David S. Miller +--- + drivers/net/dsa/b53/b53_common.c | 11 +++++++---- + 1 file changed, 7 insertions(+), 4 deletions(-) + +--- a/drivers/net/dsa/b53/b53_common.c ++++ b/drivers/net/dsa/b53/b53_common.c +@@ -349,7 +349,7 @@ static void b53_set_forwarding(struct b5 + b53_write8(dev, B53_CTRL_PAGE, B53_IP_MULTICAST_CTRL, mgmt); + } + +-static void b53_enable_vlan(struct b53_device *dev, bool enable, ++static void b53_enable_vlan(struct b53_device *dev, int port, bool enable, + bool enable_filtering) + { + u8 mgmt, vc0, vc1, vc4 = 0, vc5; +@@ -431,6 +431,9 @@ static void b53_enable_vlan(struct b53_d + b53_write8(dev, B53_CTRL_PAGE, B53_SWITCH_MODE, mgmt); + + dev->vlan_enabled = enable; ++ ++ dev_dbg(dev->dev, "Port %d VLAN enabled: %d, filtering: %d\n", ++ port, enable, enable_filtering); + } + + static int b53_set_jumbo(struct b53_device *dev, bool enable, bool allow_10_100) +@@ -708,7 +711,7 @@ int b53_configure_vlan(struct dsa_switch + b53_do_vlan_op(dev, VTA_CMD_CLEAR); + } + +- b53_enable_vlan(dev, dev->vlan_enabled, ds->vlan_filtering); ++ b53_enable_vlan(dev, -1, dev->vlan_enabled, ds->vlan_filtering); + + b53_for_each_port(dev, i) + b53_write16(dev, B53_VLAN_PAGE, +@@ -1390,7 +1393,7 @@ int b53_vlan_filtering(struct dsa_switch + if (switchdev_trans_ph_prepare(trans)) + return 0; + +- b53_enable_vlan(dev, dev->vlan_enabled, vlan_filtering); ++ b53_enable_vlan(dev, port, dev->vlan_enabled, vlan_filtering); + + return 0; + } +@@ -1415,7 +1418,7 @@ int b53_vlan_prepare(struct dsa_switch * + if (vlan->vid_end >= dev->num_vlans) + return -ERANGE; + +- b53_enable_vlan(dev, true, ds->vlan_filtering); ++ b53_enable_vlan(dev, port, true, ds->vlan_filtering); + + return 0; + } diff --git a/target/linux/generic/backport-5.10/790-v5.13-0002-net-dsa-b53-spi-allow-device-tree-probing.patch b/target/linux/generic/backport-5.10/790-v5.13-0002-net-dsa-b53-spi-allow-device-tree-probing.patch new file mode 100644 index 000000000000..56579b2d3604 --- /dev/null +++ b/target/linux/generic/backport-5.10/790-v5.13-0002-net-dsa-b53-spi-allow-device-tree-probing.patch @@ -0,0 +1,41 @@ +From 6d16eadab6db0c1d61e59fee7ed1ecc2d10269be Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= +Date: Mon, 15 Mar 2021 15:14:23 +0100 +Subject: [PATCH] net: dsa: b53: spi: allow device tree probing +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Add missing of_match_table to allow device tree probing. + +Signed-off-by: Álvaro Fernández Rojas +Signed-off-by: David S. Miller +--- + drivers/net/dsa/b53/b53_spi.c | 13 +++++++++++++ + 1 file changed, 13 insertions(+) + +--- a/drivers/net/dsa/b53/b53_spi.c ++++ b/drivers/net/dsa/b53/b53_spi.c +@@ -324,9 +324,22 @@ static int b53_spi_remove(struct spi_dev + return 0; + } + ++static const struct of_device_id b53_spi_of_match[] = { ++ { .compatible = "brcm,bcm5325" }, ++ { .compatible = "brcm,bcm5365" }, ++ { .compatible = "brcm,bcm5395" }, ++ { .compatible = "brcm,bcm5397" }, ++ { .compatible = "brcm,bcm5398" }, ++ { .compatible = "brcm,bcm53115" }, ++ { .compatible = "brcm,bcm53125" }, ++ { .compatible = "brcm,bcm53128" }, ++ { /* sentinel */ } ++}; ++ + static struct spi_driver b53_spi_driver = { + .driver = { + .name = "b53-switch", ++ .of_match_table = b53_spi_of_match, + }, + .probe = b53_spi_probe, + .remove = b53_spi_remove, diff --git a/target/linux/generic/backport-5.10/790-v5.13-0003-net-dsa-b53-relax-is63xx-condition.patch b/target/linux/generic/backport-5.10/790-v5.13-0003-net-dsa-b53-relax-is63xx-condition.patch new file mode 100644 index 000000000000..ef5522ad3393 --- /dev/null +++ b/target/linux/generic/backport-5.10/790-v5.13-0003-net-dsa-b53-relax-is63xx-condition.patch @@ -0,0 +1,31 @@ +From ad426d7d966b525b73ed5a1842dd830312bbba71 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= +Date: Wed, 17 Mar 2021 09:42:01 +0100 +Subject: [PATCH] net: dsa: b53: relax is63xx() condition +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +BCM63xx switches are present on bcm63xx and bmips devices. + +Signed-off-by: Álvaro Fernández Rojas +Acked-by: Florian Fainelli +Signed-off-by: David S. Miller +--- + drivers/net/dsa/b53/b53_priv.h | 4 ---- + 1 file changed, 4 deletions(-) + +--- a/drivers/net/dsa/b53/b53_priv.h ++++ b/drivers/net/dsa/b53/b53_priv.h +@@ -185,11 +185,7 @@ static inline int is531x5(struct b53_dev + + static inline int is63xx(struct b53_device *dev) + { +-#ifdef CONFIG_BCM63XX + return dev->chip_id == BCM63XX_DEVICE_ID; +-#else +- return 0; +-#endif + } + + static inline int is5301x(struct b53_device *dev) diff --git a/target/linux/generic/backport-5.10/790-v5.13-0004-net-dsa-tag_brcm-add-support-for-legacy-tags.patch b/target/linux/generic/backport-5.10/790-v5.13-0004-net-dsa-tag_brcm-add-support-for-legacy-tags.patch new file mode 100644 index 000000000000..3b7d8f37cdfa --- /dev/null +++ b/target/linux/generic/backport-5.10/790-v5.13-0004-net-dsa-tag_brcm-add-support-for-legacy-tags.patch @@ -0,0 +1,180 @@ +From 964dbf186eaa84d409c359ddf09c827a3fbe8228 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= +Date: Wed, 17 Mar 2021 11:29:26 +0100 +Subject: [PATCH] net: dsa: tag_brcm: add support for legacy tags +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Add support for legacy Broadcom tags, which are similar to DSA_TAG_PROTO_BRCM. +These tags are used on BCM5325, BCM5365 and BCM63xx switches. + +Signed-off-by: Álvaro Fernández Rojas +Signed-off-by: David S. Miller +--- + include/net/dsa.h | 2 + + net/dsa/Kconfig | 7 +++ + net/dsa/tag_brcm.c | 107 +++++++++++++++++++++++++++++++++++++++++++-- + 3 files changed, 113 insertions(+), 3 deletions(-) + +--- a/include/net/dsa.h ++++ b/include/net/dsa.h +@@ -45,10 +45,12 @@ struct phylink_link_state; + #define DSA_TAG_PROTO_OCELOT_VALUE 15 + #define DSA_TAG_PROTO_AR9331_VALUE 16 + #define DSA_TAG_PROTO_RTL4_A_VALUE 17 ++#define DSA_TAG_PROTO_BRCM_LEGACY_VALUE 22 + + enum dsa_tag_protocol { + DSA_TAG_PROTO_NONE = DSA_TAG_PROTO_NONE_VALUE, + DSA_TAG_PROTO_BRCM = DSA_TAG_PROTO_BRCM_VALUE, ++ DSA_TAG_PROTO_BRCM_LEGACY = DSA_TAG_PROTO_BRCM_LEGACY_VALUE, + DSA_TAG_PROTO_BRCM_PREPEND = DSA_TAG_PROTO_BRCM_PREPEND_VALUE, + DSA_TAG_PROTO_DSA = DSA_TAG_PROTO_DSA_VALUE, + DSA_TAG_PROTO_EDSA = DSA_TAG_PROTO_EDSA_VALUE, +--- a/net/dsa/Kconfig ++++ b/net/dsa/Kconfig +@@ -47,6 +47,13 @@ config NET_DSA_TAG_BRCM + Say Y if you want to enable support for tagging frames for the + Broadcom switches which place the tag after the MAC source address. + ++config NET_DSA_TAG_BRCM_LEGACY ++ tristate "Tag driver for Broadcom legacy switches using in-frame headers" ++ select NET_DSA_TAG_BRCM_COMMON ++ help ++ Say Y if you want to enable support for tagging frames for the ++ Broadcom legacy switches which place the tag after the MAC source ++ address. + + config NET_DSA_TAG_BRCM_PREPEND + tristate "Tag driver for Broadcom switches using prepended headers" +--- a/net/dsa/tag_brcm.c ++++ b/net/dsa/tag_brcm.c +@@ -11,9 +11,26 @@ + + #include "dsa_priv.h" + +-/* This tag length is 4 bytes, older ones were 6 bytes, we do not +- * handle them +- */ ++/* Legacy Broadcom tag (6 bytes) */ ++#define BRCM_LEG_TAG_LEN 6 ++ ++/* Type fields */ ++/* 1st byte in the tag */ ++#define BRCM_LEG_TYPE_HI 0x88 ++/* 2nd byte in the tag */ ++#define BRCM_LEG_TYPE_LO 0x74 ++ ++/* Tag fields */ ++/* 3rd byte in the tag */ ++#define BRCM_LEG_UNICAST (0 << 5) ++#define BRCM_LEG_MULTICAST (1 << 5) ++#define BRCM_LEG_EGRESS (2 << 5) ++#define BRCM_LEG_INGRESS (3 << 5) ++ ++/* 6th byte in the tag */ ++#define BRCM_LEG_PORT_ID (0xf) ++ ++/* Newer Broadcom tag (4 bytes) */ + #define BRCM_TAG_LEN 4 + + /* Tag is constructed and desconstructed using byte by byte access +@@ -194,6 +211,87 @@ DSA_TAG_DRIVER(brcm_netdev_ops); + MODULE_ALIAS_DSA_TAG_DRIVER(DSA_TAG_PROTO_BRCM); + #endif + ++#if IS_ENABLED(CONFIG_NET_DSA_TAG_BRCM_LEGACY) ++static struct sk_buff *brcm_leg_tag_xmit(struct sk_buff *skb, ++ struct net_device *dev) ++{ ++ struct dsa_port *dp = dsa_slave_to_port(dev); ++ u8 *brcm_tag; ++ ++ /* The Ethernet switch we are interfaced with needs packets to be at ++ * least 64 bytes (including FCS) otherwise they will be discarded when ++ * they enter the switch port logic. When Broadcom tags are enabled, we ++ * need to make sure that packets are at least 70 bytes ++ * (including FCS and tag) because the length verification is done after ++ * the Broadcom tag is stripped off the ingress packet. ++ * ++ * Let dsa_slave_xmit() free the SKB ++ */ ++ if (__skb_put_padto(skb, ETH_ZLEN + BRCM_LEG_TAG_LEN, false)) ++ return NULL; ++ ++ skb_push(skb, BRCM_LEG_TAG_LEN); ++ ++ memmove(skb->data, skb->data + BRCM_LEG_TAG_LEN, 2 * ETH_ALEN); ++ ++ brcm_tag = skb->data + 2 * ETH_ALEN; ++ ++ /* Broadcom tag type */ ++ brcm_tag[0] = BRCM_LEG_TYPE_HI; ++ brcm_tag[1] = BRCM_LEG_TYPE_LO; ++ ++ /* Broadcom tag value */ ++ brcm_tag[2] = BRCM_LEG_EGRESS; ++ brcm_tag[3] = 0; ++ brcm_tag[4] = 0; ++ brcm_tag[5] = dp->index & BRCM_LEG_PORT_ID; ++ ++ return skb; ++} ++ ++static struct sk_buff *brcm_leg_tag_rcv(struct sk_buff *skb, ++ struct net_device *dev, ++ struct packet_type *pt) ++{ ++ int source_port; ++ u8 *brcm_tag; ++ ++ if (unlikely(!pskb_may_pull(skb, BRCM_LEG_PORT_ID))) ++ return NULL; ++ ++ brcm_tag = skb->data - 2; ++ ++ source_port = brcm_tag[5] & BRCM_LEG_PORT_ID; ++ ++ skb->dev = dsa_master_find_slave(dev, 0, source_port); ++ if (!skb->dev) ++ return NULL; ++ ++ /* Remove Broadcom tag and update checksum */ ++ skb_pull_rcsum(skb, BRCM_LEG_TAG_LEN); ++ ++ skb->offload_fwd_mark = 1; ++ ++ /* Move the Ethernet DA and SA */ ++ memmove(skb->data - ETH_HLEN, ++ skb->data - ETH_HLEN - BRCM_LEG_TAG_LEN, ++ 2 * ETH_ALEN); ++ ++ return skb; ++} ++ ++static const struct dsa_device_ops brcm_legacy_netdev_ops = { ++ .name = "brcm-legacy", ++ .proto = DSA_TAG_PROTO_BRCM_LEGACY, ++ .xmit = brcm_leg_tag_xmit, ++ .rcv = brcm_leg_tag_rcv, ++ .overhead = BRCM_LEG_TAG_LEN, ++}; ++ ++DSA_TAG_DRIVER(brcm_legacy_netdev_ops); ++MODULE_ALIAS_DSA_TAG_DRIVER(DSA_TAG_PROTO_BRCM_LEGACY); ++#endif /* CONFIG_NET_DSA_TAG_BRCM_LEGACY */ ++ + #if IS_ENABLED(CONFIG_NET_DSA_TAG_BRCM_PREPEND) + static struct sk_buff *brcm_tag_xmit_prepend(struct sk_buff *skb, + struct net_device *dev) +@@ -226,6 +324,9 @@ static struct dsa_tag_driver *dsa_tag_dr + #if IS_ENABLED(CONFIG_NET_DSA_TAG_BRCM) + &DSA_TAG_DRIVER_NAME(brcm_netdev_ops), + #endif ++#if IS_ENABLED(CONFIG_NET_DSA_TAG_BRCM_LEGACY) ++ &DSA_TAG_DRIVER_NAME(brcm_legacy_netdev_ops), ++#endif + #if IS_ENABLED(CONFIG_NET_DSA_TAG_BRCM_PREPEND) + &DSA_TAG_DRIVER_NAME(brcm_prepend_netdev_ops), + #endif diff --git a/target/linux/generic/backport-5.10/790-v5.13-0005-net-dsa-b53-support-legacy-tags.patch b/target/linux/generic/backport-5.10/790-v5.13-0005-net-dsa-b53-support-legacy-tags.patch new file mode 100644 index 000000000000..838e78a0571f --- /dev/null +++ b/target/linux/generic/backport-5.10/790-v5.13-0005-net-dsa-b53-support-legacy-tags.patch @@ -0,0 +1,53 @@ +From 46c5176c586c81306bf9e7024c13b95da775490f Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= +Date: Wed, 17 Mar 2021 11:29:27 +0100 +Subject: [PATCH] net: dsa: b53: support legacy tags +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +These tags are used on BCM5325, BCM5365 and BCM63xx switches. + +Signed-off-by: Álvaro Fernández Rojas +Acked-by: Florian Fainelli +Signed-off-by: David S. Miller +--- + drivers/net/dsa/b53/Kconfig | 1 + + drivers/net/dsa/b53/b53_common.c | 12 +++++++----- + 2 files changed, 8 insertions(+), 5 deletions(-) + +--- a/drivers/net/dsa/b53/Kconfig ++++ b/drivers/net/dsa/b53/Kconfig +@@ -3,6 +3,7 @@ menuconfig B53 + tristate "Broadcom BCM53xx managed switch support" + depends on NET_DSA + select NET_DSA_TAG_BRCM ++ select NET_DSA_TAG_BRCM_LEGACY + select NET_DSA_TAG_BRCM_PREPEND + help + This driver adds support for Broadcom managed switch chips. It supports +--- a/drivers/net/dsa/b53/b53_common.c ++++ b/drivers/net/dsa/b53/b53_common.c +@@ -2024,15 +2024,17 @@ enum dsa_tag_protocol b53_get_tag_protoc + { + struct b53_device *dev = ds->priv; + +- /* Older models (5325, 5365) support a different tag format that we do +- * not support in net/dsa/tag_brcm.c yet. +- */ +- if (is5325(dev) || is5365(dev) || +- !b53_can_enable_brcm_tags(ds, port, mprot)) { ++ if (!b53_can_enable_brcm_tags(ds, port, mprot)) { + dev->tag_protocol = DSA_TAG_PROTO_NONE; + goto out; + } + ++ /* Older models require a different 6 byte tag */ ++ if (is5325(dev) || is5365(dev) || is63xx(dev)) { ++ dev->tag_protocol = DSA_TAG_PROTO_BRCM_LEGACY; ++ goto out; ++ } ++ + /* Broadcom BCM58xx chips have a flow accelerator on Port 8 + * which requires us to use the prepended Broadcom tag type + */ diff --git a/target/linux/generic/backport-5.10/790-v5.13-0006-net-dsa-b53-mmap-Add-device-tree-support.patch b/target/linux/generic/backport-5.10/790-v5.13-0006-net-dsa-b53-mmap-Add-device-tree-support.patch new file mode 100644 index 000000000000..c1014b20bcfe --- /dev/null +++ b/target/linux/generic/backport-5.10/790-v5.13-0006-net-dsa-b53-mmap-Add-device-tree-support.patch @@ -0,0 +1,92 @@ +From a5538a777b73b35750ed1ffff8c1ef539e861624 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= +Date: Wed, 17 Mar 2021 10:23:17 +0100 +Subject: [PATCH] net: dsa: b53: mmap: Add device tree support +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Add device tree support to b53_mmap.c while keeping platform devices support. + +Signed-off-by: Álvaro Fernández Rojas +Signed-off-by: David S. Miller +--- + drivers/net/dsa/b53/b53_mmap.c | 55 ++++++++++++++++++++++++++++++++++ + 1 file changed, 55 insertions(+) + +--- a/drivers/net/dsa/b53/b53_mmap.c ++++ b/drivers/net/dsa/b53/b53_mmap.c +@@ -16,6 +16,7 @@ + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + ++#include + #include + #include + #include +@@ -228,11 +229,65 @@ static const struct b53_io_ops b53_mmap_ + .write64 = b53_mmap_write64, + }; + ++static int b53_mmap_probe_of(struct platform_device *pdev, ++ struct b53_platform_data **ppdata) ++{ ++ struct device_node *np = pdev->dev.of_node; ++ struct device_node *of_ports, *of_port; ++ struct device *dev = &pdev->dev; ++ struct b53_platform_data *pdata; ++ void __iomem *mem; ++ ++ mem = devm_platform_ioremap_resource(pdev, 0); ++ if (IS_ERR(mem)) ++ return PTR_ERR(mem); ++ ++ pdata = devm_kzalloc(dev, sizeof(struct b53_platform_data), ++ GFP_KERNEL); ++ if (!pdata) ++ return -ENOMEM; ++ ++ pdata->regs = mem; ++ pdata->chip_id = BCM63XX_DEVICE_ID; ++ pdata->big_endian = of_property_read_bool(np, "big-endian"); ++ ++ of_ports = of_get_child_by_name(np, "ports"); ++ if (!of_ports) { ++ dev_err(dev, "no ports child node found\n"); ++ return -EINVAL; ++ } ++ ++ for_each_available_child_of_node(of_ports, of_port) { ++ u32 reg; ++ ++ if (of_property_read_u32(of_port, "reg", ®)) ++ continue; ++ ++ if (reg < B53_CPU_PORT) ++ pdata->enabled_ports |= BIT(reg); ++ } ++ ++ of_node_put(of_ports); ++ *ppdata = pdata; ++ ++ return 0; ++} ++ + static int b53_mmap_probe(struct platform_device *pdev) + { ++ struct device_node *np = pdev->dev.of_node; + struct b53_platform_data *pdata = pdev->dev.platform_data; + struct b53_mmap_priv *priv; + struct b53_device *dev; ++ int ret; ++ ++ if (!pdata && np) { ++ ret = b53_mmap_probe_of(pdev, &pdata); ++ if (ret) { ++ dev_err(&pdev->dev, "OF probe error\n"); ++ return ret; ++ } ++ } + + if (!pdata) + return -EINVAL; diff --git a/target/linux/generic/backport-5.10/790-v5.13-0007-net-dsa-b53-spi-add-missing-MODULE_DEVICE_TABLE.patch b/target/linux/generic/backport-5.10/790-v5.13-0007-net-dsa-b53-spi-add-missing-MODULE_DEVICE_TABLE.patch new file mode 100644 index 000000000000..ea3675573201 --- /dev/null +++ b/target/linux/generic/backport-5.10/790-v5.13-0007-net-dsa-b53-spi-add-missing-MODULE_DEVICE_TABLE.patch @@ -0,0 +1,27 @@ +From 866f1577ba69bde2b9f36c300f603596c7d84a62 Mon Sep 17 00:00:00 2001 +From: Qinglang Miao +Date: Thu, 25 Mar 2021 17:19:54 +0800 +Subject: [PATCH] net: dsa: b53: spi: add missing MODULE_DEVICE_TABLE + +This patch adds missing MODULE_DEVICE_TABLE definition which generates +correct modalias for automatic loading of this driver when it is built +as an external module. + +Reported-by: Hulk Robot +Signed-off-by: Qinglang Miao +Acked-by: Florian Fainelli +Signed-off-by: David S. Miller +--- + drivers/net/dsa/b53/b53_spi.c | 1 + + 1 file changed, 1 insertion(+) + +--- a/drivers/net/dsa/b53/b53_spi.c ++++ b/drivers/net/dsa/b53/b53_spi.c +@@ -335,6 +335,7 @@ static const struct of_device_id b53_spi + { .compatible = "brcm,bcm53128" }, + { /* sentinel */ } + }; ++MODULE_DEVICE_TABLE(of, b53_spi_of_match); + + static struct spi_driver b53_spi_driver = { + .driver = { diff --git a/target/linux/generic/backport-5.10/790-v5.15-0001-net-dsa-b53-Fix-calculating-number-of-switch-ports.patch b/target/linux/generic/backport-5.10/790-v5.15-0001-net-dsa-b53-Fix-calculating-number-of-switch-ports.patch deleted file mode 100644 index f1bef258af89..000000000000 --- a/target/linux/generic/backport-5.10/790-v5.15-0001-net-dsa-b53-Fix-calculating-number-of-switch-ports.patch +++ /dev/null @@ -1,39 +0,0 @@ -From cdb067d31c0fe4cce98b9d15f1f2ef525acaa094 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= -Date: Thu, 2 Sep 2021 10:30:50 +0200 -Subject: [PATCH] net: dsa: b53: Fix calculating number of switch ports -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -It isn't true that CPU port is always the last one. Switches BCM5301x -have 9 ports (port 6 being inactive) and they use port 5 as CPU by -default (depending on design some other may be CPU ports too). - -A more reliable way of determining number of ports is to check for the -last set bit in the "enabled_ports" bitfield. - -This fixes b53 internal state, it will allow providing accurate info to -the DSA and is required to fix BCM5301x support. - -Fixes: 967dd82ffc52 ("net: dsa: b53: Add support for Broadcom RoboSwitch") -Signed-off-by: Rafał Miłecki -Reviewed-by: Florian Fainelli -Signed-off-by: David S. Miller ---- - drivers/net/dsa/b53/b53_common.c | 3 +-- - 1 file changed, 1 insertion(+), 2 deletions(-) - ---- a/drivers/net/dsa/b53/b53_common.c -+++ b/drivers/net/dsa/b53/b53_common.c -@@ -2556,9 +2556,8 @@ static int b53_switch_init(struct b53_de - dev->cpu_port = 5; - } - -- /* cpu port is always last */ -- dev->num_ports = dev->cpu_port + 1; - dev->enabled_ports |= BIT(dev->cpu_port); -+ dev->num_ports = fls(dev->enabled_ports); - - /* Include non standard CPU port built-in PHYs to be probed */ - if (is539x(dev) || is531x5(dev)) { diff --git a/target/linux/generic/backport-5.10/790-v5.15-0002-net-dsa-b53-Set-correct-number-of-ports-in-the-DSA-s.patch b/target/linux/generic/backport-5.10/790-v5.15-0002-net-dsa-b53-Set-correct-number-of-ports-in-the-DSA-s.patch deleted file mode 100644 index 404389dc482b..000000000000 --- a/target/linux/generic/backport-5.10/790-v5.15-0002-net-dsa-b53-Set-correct-number-of-ports-in-the-DSA-s.patch +++ /dev/null @@ -1,43 +0,0 @@ -From d12e1c4649883e8ca5e8ff341e1948b3b6313259 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= -Date: Thu, 2 Sep 2021 10:30:51 +0200 -Subject: [PATCH] net: dsa: b53: Set correct number of ports in the DSA struct -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -Setting DSA_MAX_PORTS caused DSA to call b53 callbacks (e.g. -b53_disable_port() during dsa_register_switch()) for invalid -(non-existent) ports. That made b53 modify unrelated registers and is -one of reasons for a broken BCM5301x support. - -This problem exists for years but DSA_MAX_PORTS usage has changed few -times. It seems the most accurate to reference commit dropping -dsa_switch_alloc() in the Fixes tag. - -Fixes: 7e99e3470172 ("net: dsa: remove dsa_switch_alloc helper") -Signed-off-by: Rafał Miłecki -Signed-off-by: David S. Miller ---- - drivers/net/dsa/b53/b53_common.c | 3 ++- - 1 file changed, 2 insertions(+), 1 deletion(-) - ---- a/drivers/net/dsa/b53/b53_common.c -+++ b/drivers/net/dsa/b53/b53_common.c -@@ -2559,6 +2559,8 @@ static int b53_switch_init(struct b53_de - dev->enabled_ports |= BIT(dev->cpu_port); - dev->num_ports = fls(dev->enabled_ports); - -+ dev->ds->num_ports = min_t(unsigned int, dev->num_ports, DSA_MAX_PORTS); -+ - /* Include non standard CPU port built-in PHYs to be probed */ - if (is539x(dev) || is531x5(dev)) { - for (i = 0; i < dev->num_ports; i++) { -@@ -2603,7 +2605,6 @@ struct b53_device *b53_switch_alloc(stru - return NULL; - - ds->dev = base; -- ds->num_ports = DSA_MAX_PORTS; - - dev = devm_kzalloc(base, sizeof(*dev), GFP_KERNEL); - if (!dev) diff --git a/target/linux/generic/backport-5.10/791-v5.14-0001-net-dsa-b53-Do-not-force-CPU-to-be-always-tagged.patch b/target/linux/generic/backport-5.10/791-v5.14-0001-net-dsa-b53-Do-not-force-CPU-to-be-always-tagged.patch new file mode 100644 index 000000000000..420e3ae31b0e --- /dev/null +++ b/target/linux/generic/backport-5.10/791-v5.14-0001-net-dsa-b53-Do-not-force-CPU-to-be-always-tagged.patch @@ -0,0 +1,86 @@ +From 2c32a3d3c233b855943677609fe388f82b1f0975 Mon Sep 17 00:00:00 2001 +From: Florian Fainelli +Date: Tue, 8 Jun 2021 14:22:04 -0700 +Subject: [PATCH] net: dsa: b53: Do not force CPU to be always tagged + +Commit ca8931948344 ("net: dsa: b53: Keep CPU port as tagged in all +VLANs") forced the CPU port to be always tagged in any VLAN membership. +This was necessary back then because we did not support Broadcom tags +for all configurations so the only way to differentiate tagged and +untagged traffic while DSA_TAG_PROTO_NONE was used was to force the CPU +port into being always tagged. + +With most configurations enabling Broadcom tags, especially after +8fab459e69ab ("net: dsa: b53: Enable Broadcom tags for 531x5/539x +families") we do not need to apply this unconditional force tagging of +the CPU port in all VLANs. + +A helper function is introduced to faciliate the encapsulation of the +specific condition requiring the CPU port to be tagged in all VLANs and +the dsa_switch_ops::untag_bridge_pvid boolean is moved to when +dsa_switch_ops::setup is called when we have already determined the +tagging protocol we will be using. + +Reported-by: Matthew Hagan +Signed-off-by: Florian Fainelli +Reviewed-by: Vladimir Oltean +Tested-by: Matthew Hagan +Signed-off-by: David S. Miller +--- + drivers/net/dsa/b53/b53_common.c | 17 ++++++++++++++--- + 1 file changed, 14 insertions(+), 3 deletions(-) + +--- a/drivers/net/dsa/b53/b53_common.c ++++ b/drivers/net/dsa/b53/b53_common.c +@@ -1049,6 +1049,11 @@ static int b53_setup(struct dsa_switch * + unsigned int port; + int ret; + ++ /* Request bridge PVID untagged when DSA_TAG_PROTO_NONE is set ++ * which forces the CPU port to be tagged in all VLANs. ++ */ ++ ds->untag_bridge_pvid = dev->tag_protocol == DSA_TAG_PROTO_NONE; ++ + ret = b53_reset_switch(dev); + if (ret) { + dev_err(ds->dev, "failed to reset switch\n"); +@@ -1423,6 +1428,13 @@ int b53_vlan_prepare(struct dsa_switch * + return 0; + } + EXPORT_SYMBOL(b53_vlan_prepare); ++ ++static bool b53_vlan_port_needs_forced_tagged(struct dsa_switch *ds, int port) ++{ ++ struct b53_device *dev = ds->priv; ++ ++ return dev->tag_protocol == DSA_TAG_PROTO_NONE && dsa_is_cpu_port(ds, port); ++} + + void b53_vlan_add(struct dsa_switch *ds, int port, + const struct switchdev_obj_port_vlan *vlan) +@@ -1442,7 +1454,7 @@ void b53_vlan_add(struct dsa_switch *ds, + untagged = true; + + vl->members |= BIT(port); +- if (untagged && !dsa_is_cpu_port(ds, port)) ++ if (untagged && !b53_vlan_port_needs_forced_tagged(ds, port)) + vl->untag |= BIT(port); + else + vl->untag &= ~BIT(port); +@@ -1480,7 +1492,7 @@ int b53_vlan_del(struct dsa_switch *ds, + if (pvid == vid) + pvid = b53_default_pvid(dev); + +- if (untagged && !dsa_is_cpu_port(ds, port)) ++ if (untagged && !b53_vlan_port_needs_forced_tagged(ds, port)) + vl->untag &= ~(BIT(port)); + + b53_set_vlan_entry(dev, vid, vl); +@@ -2623,7 +2635,6 @@ struct b53_device *b53_switch_alloc(stru + dev->ops = ops; + ds->ops = &b53_switch_ops; + ds->configure_vlan_while_not_filtering = true; +- ds->untag_bridge_pvid = true; + dev->vlan_enabled = ds->configure_vlan_while_not_filtering; + /* Let DSA handle the case were multiple bridges span the same switch + * device and different VLAN awareness settings are requested, which diff --git a/target/linux/generic/backport-5.10/791-v5.14-0002-net-dsa-b53-remove-redundant-null-check-on-dev.patch b/target/linux/generic/backport-5.10/791-v5.14-0002-net-dsa-b53-remove-redundant-null-check-on-dev.patch new file mode 100644 index 000000000000..ee3a71ffa5a4 --- /dev/null +++ b/target/linux/generic/backport-5.10/791-v5.14-0002-net-dsa-b53-remove-redundant-null-check-on-dev.patch @@ -0,0 +1,30 @@ +From 11b57faf951cd3a570e3d9e463fc7c41023bc8c6 Mon Sep 17 00:00:00 2001 +From: Colin Ian King +Date: Tue, 15 Jun 2021 10:05:16 +0100 +Subject: [PATCH] net: dsa: b53: remove redundant null check on dev + +The pointer dev can never be null, the null check is redundant +and can be removed. Cleans up a static analysis warning that +pointer priv is dereferencing dev before dev is being null +checked. + +Addresses-Coverity: ("Dereference before null check") +Signed-off-by: Colin Ian King +Acked-by: Florian Fainelli +Signed-off-by: David S. Miller +--- + drivers/net/dsa/b53/b53_srab.c | 3 +-- + 1 file changed, 1 insertion(+), 2 deletions(-) + +--- a/drivers/net/dsa/b53/b53_srab.c ++++ b/drivers/net/dsa/b53/b53_srab.c +@@ -632,8 +632,7 @@ static int b53_srab_remove(struct platfo + struct b53_srab_priv *priv = dev->priv; + + b53_srab_intr_set(priv, false); +- if (dev) +- b53_switch_remove(dev); ++ b53_switch_remove(dev); + + return 0; + } diff --git a/target/linux/generic/backport-5.10/791-v5.14-0003-net-dsa-b53-Create-default-VLAN-entry-explicitly.patch b/target/linux/generic/backport-5.10/791-v5.14-0003-net-dsa-b53-Create-default-VLAN-entry-explicitly.patch new file mode 100644 index 000000000000..df891d68ab4f --- /dev/null +++ b/target/linux/generic/backport-5.10/791-v5.14-0003-net-dsa-b53-Create-default-VLAN-entry-explicitly.patch @@ -0,0 +1,71 @@ +From 64a81b24487f0d2fba0f033029eec2abc7d82cee Mon Sep 17 00:00:00 2001 +From: Florian Fainelli +Date: Mon, 21 Jun 2021 15:10:55 -0700 +Subject: [PATCH] net: dsa: b53: Create default VLAN entry explicitly + +In case CONFIG_VLAN_8021Q is not set, there will be no call down to the +b53 driver to ensure that the default PVID VLAN entry will be configured +with the appropriate untagged attribute towards the CPU port. We were +implicitly relying on dsa_slave_vlan_rx_add_vid() to do that for us, +instead make it explicit. + +Reported-by: Vladimir Oltean +Signed-off-by: Florian Fainelli +Reviewed-by: Vladimir Oltean +Signed-off-by: David S. Miller +--- + drivers/net/dsa/b53/b53_common.c | 27 +++++++++++++++++++-------- + 1 file changed, 19 insertions(+), 8 deletions(-) + +--- a/drivers/net/dsa/b53/b53_common.c ++++ b/drivers/net/dsa/b53/b53_common.c +@@ -693,6 +693,13 @@ static u16 b53_default_pvid(struct b53_d + return 0; + } + ++static bool b53_vlan_port_needs_forced_tagged(struct dsa_switch *ds, int port) ++{ ++ struct b53_device *dev = ds->priv; ++ ++ return dev->tag_protocol == DSA_TAG_PROTO_NONE && dsa_is_cpu_port(ds, port); ++} ++ + int b53_configure_vlan(struct dsa_switch *ds) + { + struct b53_device *dev = ds->priv; +@@ -713,9 +720,20 @@ int b53_configure_vlan(struct dsa_switch + + b53_enable_vlan(dev, -1, dev->vlan_enabled, ds->vlan_filtering); + +- b53_for_each_port(dev, i) ++ /* Create an untagged VLAN entry for the default PVID in case ++ * CONFIG_VLAN_8021Q is disabled and there are no calls to ++ * dsa_slave_vlan_rx_add_vid() to create the default VLAN ++ * entry. Do this only when the tagging protocol is not ++ * DSA_TAG_PROTO_NONE ++ */ ++ b53_for_each_port(dev, i) { ++ v = &dev->vlans[def_vid]; ++ v->members |= BIT(i); ++ if (!b53_vlan_port_needs_forced_tagged(ds, i)) ++ v->untag = v->members; + b53_write16(dev, B53_VLAN_PAGE, + B53_VLAN_PORT_DEF_TAG(i), def_vid); ++ } + + /* Upon initial call we have not set-up any VLANs, but upon + * system resume, we need to restore all VLAN entries. +@@ -1429,13 +1447,6 @@ int b53_vlan_prepare(struct dsa_switch * + } + EXPORT_SYMBOL(b53_vlan_prepare); + +-static bool b53_vlan_port_needs_forced_tagged(struct dsa_switch *ds, int port) +-{ +- struct b53_device *dev = ds->priv; +- +- return dev->tag_protocol == DSA_TAG_PROTO_NONE && dsa_is_cpu_port(ds, port); +-} +- + void b53_vlan_add(struct dsa_switch *ds, int port, + const struct switchdev_obj_port_vlan *vlan) + { diff --git a/target/linux/generic/backport-5.10/792-v5.15-0001-net-dsa-b53-Fix-calculating-number-of-switch-ports.patch b/target/linux/generic/backport-5.10/792-v5.15-0001-net-dsa-b53-Fix-calculating-number-of-switch-ports.patch new file mode 100644 index 000000000000..4a7cbd9a4fb1 --- /dev/null +++ b/target/linux/generic/backport-5.10/792-v5.15-0001-net-dsa-b53-Fix-calculating-number-of-switch-ports.patch @@ -0,0 +1,39 @@ +From cdb067d31c0fe4cce98b9d15f1f2ef525acaa094 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= +Date: Thu, 2 Sep 2021 10:30:50 +0200 +Subject: [PATCH] net: dsa: b53: Fix calculating number of switch ports +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +It isn't true that CPU port is always the last one. Switches BCM5301x +have 9 ports (port 6 being inactive) and they use port 5 as CPU by +default (depending on design some other may be CPU ports too). + +A more reliable way of determining number of ports is to check for the +last set bit in the "enabled_ports" bitfield. + +This fixes b53 internal state, it will allow providing accurate info to +the DSA and is required to fix BCM5301x support. + +Fixes: 967dd82ffc52 ("net: dsa: b53: Add support for Broadcom RoboSwitch") +Signed-off-by: Rafał Miłecki +Reviewed-by: Florian Fainelli +Signed-off-by: David S. Miller +--- + drivers/net/dsa/b53/b53_common.c | 3 +-- + 1 file changed, 1 insertion(+), 2 deletions(-) + +--- a/drivers/net/dsa/b53/b53_common.c ++++ b/drivers/net/dsa/b53/b53_common.c +@@ -2584,9 +2584,8 @@ static int b53_switch_init(struct b53_de + dev->cpu_port = 5; + } + +- /* cpu port is always last */ +- dev->num_ports = dev->cpu_port + 1; + dev->enabled_ports |= BIT(dev->cpu_port); ++ dev->num_ports = fls(dev->enabled_ports); + + /* Include non standard CPU port built-in PHYs to be probed */ + if (is539x(dev) || is531x5(dev)) { diff --git a/target/linux/generic/backport-5.10/792-v5.15-0002-net-dsa-b53-Set-correct-number-of-ports-in-the-DSA-s.patch b/target/linux/generic/backport-5.10/792-v5.15-0002-net-dsa-b53-Set-correct-number-of-ports-in-the-DSA-s.patch new file mode 100644 index 000000000000..361b2984fc0c --- /dev/null +++ b/target/linux/generic/backport-5.10/792-v5.15-0002-net-dsa-b53-Set-correct-number-of-ports-in-the-DSA-s.patch @@ -0,0 +1,43 @@ +From d12e1c4649883e8ca5e8ff341e1948b3b6313259 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= +Date: Thu, 2 Sep 2021 10:30:51 +0200 +Subject: [PATCH] net: dsa: b53: Set correct number of ports in the DSA struct +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Setting DSA_MAX_PORTS caused DSA to call b53 callbacks (e.g. +b53_disable_port() during dsa_register_switch()) for invalid +(non-existent) ports. That made b53 modify unrelated registers and is +one of reasons for a broken BCM5301x support. + +This problem exists for years but DSA_MAX_PORTS usage has changed few +times. It seems the most accurate to reference commit dropping +dsa_switch_alloc() in the Fixes tag. + +Fixes: 7e99e3470172 ("net: dsa: remove dsa_switch_alloc helper") +Signed-off-by: Rafał Miłecki +Signed-off-by: David S. Miller +--- + drivers/net/dsa/b53/b53_common.c | 3 ++- + 1 file changed, 2 insertions(+), 1 deletion(-) + +--- a/drivers/net/dsa/b53/b53_common.c ++++ b/drivers/net/dsa/b53/b53_common.c +@@ -2587,6 +2587,8 @@ static int b53_switch_init(struct b53_de + dev->enabled_ports |= BIT(dev->cpu_port); + dev->num_ports = fls(dev->enabled_ports); + ++ dev->ds->num_ports = min_t(unsigned int, dev->num_ports, DSA_MAX_PORTS); ++ + /* Include non standard CPU port built-in PHYs to be probed */ + if (is539x(dev) || is531x5(dev)) { + for (i = 0; i < dev->num_ports; i++) { +@@ -2631,7 +2633,6 @@ struct b53_device *b53_switch_alloc(stru + return NULL; + + ds->dev = base; +- ds->num_ports = DSA_MAX_PORTS; + + dev = devm_kzalloc(base, sizeof(*dev), GFP_KERNEL); + if (!dev) diff --git a/target/linux/generic/backport-5.10/792-v5.15-0003-net-dsa-b53-Fix-IMP-port-setup-on-BCM5301x.patch b/target/linux/generic/backport-5.10/792-v5.15-0003-net-dsa-b53-Fix-IMP-port-setup-on-BCM5301x.patch new file mode 100644 index 000000000000..380a677c5026 --- /dev/null +++ b/target/linux/generic/backport-5.10/792-v5.15-0003-net-dsa-b53-Fix-IMP-port-setup-on-BCM5301x.patch @@ -0,0 +1,237 @@ +From 63f8428b4077de3664eb0b252393c839b0b293ec Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= +Date: Sun, 5 Sep 2021 19:23:28 +0200 +Subject: [PATCH] net: dsa: b53: Fix IMP port setup on BCM5301x +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Broadcom's b53 switches have one IMP (Inband Management Port) that needs +to be programmed using its own designed register. IMP port may be +different than CPU port - especially on devices with multiple CPU ports. + +For that reason it's required to explicitly note IMP port index and +check for it when choosing a register to use. + +This commit fixes BCM5301x support. Those switches use CPU port 5 while +their IMP port is 8. Before this patch b53 was trying to program port 5 +with B53_PORT_OVERRIDE_CTRL instead of B53_GMII_PORT_OVERRIDE_CTRL(5). + +It may be possible to also replace "cpu_port" usages with +dsa_is_cpu_port() but that is out of the scope of thix BCM5301x fix. + +Fixes: 967dd82ffc52 ("net: dsa: b53: Add support for Broadcom RoboSwitch") +Signed-off-by: Rafał Miłecki +Signed-off-by: David S. Miller +--- + drivers/net/dsa/b53/b53_common.c | 28 +++++++++++++++++++++++++--- + drivers/net/dsa/b53/b53_priv.h | 1 + + 2 files changed, 26 insertions(+), 3 deletions(-) + +--- a/drivers/net/dsa/b53/b53_common.c ++++ b/drivers/net/dsa/b53/b53_common.c +@@ -1109,7 +1109,7 @@ static void b53_force_link(struct b53_de + u8 reg, val, off; + + /* Override the port settings */ +- if (port == dev->cpu_port) { ++ if (port == dev->imp_port) { + off = B53_PORT_OVERRIDE_CTRL; + val = PORT_OVERRIDE_EN; + } else { +@@ -1133,7 +1133,7 @@ static void b53_force_port_config(struct + u8 reg, val, off; + + /* Override the port settings */ +- if (port == dev->cpu_port) { ++ if (port == dev->imp_port) { + off = B53_PORT_OVERRIDE_CTRL; + val = PORT_OVERRIDE_EN; + } else { +@@ -1201,7 +1201,7 @@ static void b53_adjust_link(struct dsa_s + b53_force_link(dev, port, phydev->link); + + if (is531x5(dev) && phy_interface_is_rgmii(phydev)) { +- if (port == 8) ++ if (port == dev->imp_port) + off = B53_RGMII_CTRL_IMP; + else + off = B53_RGMII_CTRL_P(port); +@@ -2266,6 +2266,7 @@ struct b53_chip_data { + const char *dev_name; + u16 vlans; + u16 enabled_ports; ++ u8 imp_port; + u8 cpu_port; + u8 vta_regs[3]; + u8 arl_bins; +@@ -2290,6 +2291,7 @@ static const struct b53_chip_data b53_sw + .enabled_ports = 0x1f, + .arl_bins = 2, + .arl_buckets = 1024, ++ .imp_port = 5, + .cpu_port = B53_CPU_PORT_25, + .duplex_reg = B53_DUPLEX_STAT_FE, + }, +@@ -2300,6 +2302,7 @@ static const struct b53_chip_data b53_sw + .enabled_ports = 0x1f, + .arl_bins = 2, + .arl_buckets = 1024, ++ .imp_port = 5, + .cpu_port = B53_CPU_PORT_25, + .duplex_reg = B53_DUPLEX_STAT_FE, + }, +@@ -2310,6 +2313,7 @@ static const struct b53_chip_data b53_sw + .enabled_ports = 0x1f, + .arl_bins = 4, + .arl_buckets = 1024, ++ .imp_port = 8, + .cpu_port = B53_CPU_PORT, + .vta_regs = B53_VTA_REGS, + .duplex_reg = B53_DUPLEX_STAT_GE, +@@ -2323,6 +2327,7 @@ static const struct b53_chip_data b53_sw + .enabled_ports = 0x1f, + .arl_bins = 4, + .arl_buckets = 1024, ++ .imp_port = 8, + .cpu_port = B53_CPU_PORT, + .vta_regs = B53_VTA_REGS, + .duplex_reg = B53_DUPLEX_STAT_GE, +@@ -2336,6 +2341,7 @@ static const struct b53_chip_data b53_sw + .enabled_ports = 0x1f, + .arl_bins = 4, + .arl_buckets = 1024, ++ .imp_port = 8, + .cpu_port = B53_CPU_PORT, + .vta_regs = B53_VTA_REGS_9798, + .duplex_reg = B53_DUPLEX_STAT_GE, +@@ -2349,6 +2355,7 @@ static const struct b53_chip_data b53_sw + .enabled_ports = 0x7f, + .arl_bins = 4, + .arl_buckets = 1024, ++ .imp_port = 8, + .cpu_port = B53_CPU_PORT, + .vta_regs = B53_VTA_REGS_9798, + .duplex_reg = B53_DUPLEX_STAT_GE, +@@ -2363,6 +2370,7 @@ static const struct b53_chip_data b53_sw + .arl_bins = 4, + .arl_buckets = 1024, + .vta_regs = B53_VTA_REGS, ++ .imp_port = 8, + .cpu_port = B53_CPU_PORT, + .duplex_reg = B53_DUPLEX_STAT_GE, + .jumbo_pm_reg = B53_JUMBO_PORT_MASK, +@@ -2375,6 +2383,7 @@ static const struct b53_chip_data b53_sw + .enabled_ports = 0xff, + .arl_bins = 4, + .arl_buckets = 1024, ++ .imp_port = 8, + .cpu_port = B53_CPU_PORT, + .vta_regs = B53_VTA_REGS, + .duplex_reg = B53_DUPLEX_STAT_GE, +@@ -2388,6 +2397,7 @@ static const struct b53_chip_data b53_sw + .enabled_ports = 0x1ff, + .arl_bins = 4, + .arl_buckets = 1024, ++ .imp_port = 8, + .cpu_port = B53_CPU_PORT, + .vta_regs = B53_VTA_REGS, + .duplex_reg = B53_DUPLEX_STAT_GE, +@@ -2401,6 +2411,7 @@ static const struct b53_chip_data b53_sw + .enabled_ports = 0, /* pdata must provide them */ + .arl_bins = 4, + .arl_buckets = 1024, ++ .imp_port = 8, + .cpu_port = B53_CPU_PORT, + .vta_regs = B53_VTA_REGS_63XX, + .duplex_reg = B53_DUPLEX_STAT_63XX, +@@ -2414,6 +2425,7 @@ static const struct b53_chip_data b53_sw + .enabled_ports = 0x1f, + .arl_bins = 4, + .arl_buckets = 1024, ++ .imp_port = 8, + .cpu_port = B53_CPU_PORT_25, /* TODO: auto detect */ + .vta_regs = B53_VTA_REGS, + .duplex_reg = B53_DUPLEX_STAT_GE, +@@ -2427,6 +2439,7 @@ static const struct b53_chip_data b53_sw + .enabled_ports = 0x1bf, + .arl_bins = 4, + .arl_buckets = 1024, ++ .imp_port = 8, + .cpu_port = B53_CPU_PORT_25, /* TODO: auto detect */ + .vta_regs = B53_VTA_REGS, + .duplex_reg = B53_DUPLEX_STAT_GE, +@@ -2440,6 +2453,7 @@ static const struct b53_chip_data b53_sw + .enabled_ports = 0x1bf, + .arl_bins = 4, + .arl_buckets = 1024, ++ .imp_port = 8, + .cpu_port = B53_CPU_PORT_25, /* TODO: auto detect */ + .vta_regs = B53_VTA_REGS, + .duplex_reg = B53_DUPLEX_STAT_GE, +@@ -2453,6 +2467,7 @@ static const struct b53_chip_data b53_sw + .enabled_ports = 0x1f, + .arl_bins = 4, + .arl_buckets = 1024, ++ .imp_port = 8, + .cpu_port = B53_CPU_PORT_25, /* TODO: auto detect */ + .vta_regs = B53_VTA_REGS, + .duplex_reg = B53_DUPLEX_STAT_GE, +@@ -2466,6 +2481,7 @@ static const struct b53_chip_data b53_sw + .enabled_ports = 0x1f, + .arl_bins = 4, + .arl_buckets = 1024, ++ .imp_port = 8, + .cpu_port = B53_CPU_PORT_25, /* TODO: auto detect */ + .vta_regs = B53_VTA_REGS, + .duplex_reg = B53_DUPLEX_STAT_GE, +@@ -2479,6 +2495,7 @@ static const struct b53_chip_data b53_sw + .enabled_ports = 0x1ff, + .arl_bins = 4, + .arl_buckets = 1024, ++ .imp_port = 8, + .cpu_port = B53_CPU_PORT, + .vta_regs = B53_VTA_REGS, + .duplex_reg = B53_DUPLEX_STAT_GE, +@@ -2492,6 +2509,7 @@ static const struct b53_chip_data b53_sw + .enabled_ports = 0x103, + .arl_bins = 4, + .arl_buckets = 1024, ++ .imp_port = 8, + .cpu_port = B53_CPU_PORT, + .vta_regs = B53_VTA_REGS, + .duplex_reg = B53_DUPLEX_STAT_GE, +@@ -2505,6 +2523,7 @@ static const struct b53_chip_data b53_sw + .enabled_ports = 0x1ff, + .arl_bins = 4, + .arl_buckets = 1024, ++ .imp_port = 8, + .cpu_port = B53_CPU_PORT, + .vta_regs = B53_VTA_REGS, + .duplex_reg = B53_DUPLEX_STAT_GE, +@@ -2518,6 +2537,7 @@ static const struct b53_chip_data b53_sw + .enabled_ports = 0x1ff, + .arl_bins = 4, + .arl_buckets = 256, ++ .imp_port = 8, + .cpu_port = B53_CPU_PORT, + .vta_regs = B53_VTA_REGS, + .duplex_reg = B53_DUPLEX_STAT_GE, +@@ -2543,6 +2563,7 @@ static int b53_switch_init(struct b53_de + dev->vta_regs[1] = chip->vta_regs[1]; + dev->vta_regs[2] = chip->vta_regs[2]; + dev->jumbo_pm_reg = chip->jumbo_pm_reg; ++ dev->imp_port = chip->imp_port; + dev->cpu_port = chip->cpu_port; + dev->num_vlans = chip->vlans; + dev->num_arl_bins = chip->arl_bins; +--- a/drivers/net/dsa/b53/b53_priv.h ++++ b/drivers/net/dsa/b53/b53_priv.h +@@ -122,6 +122,7 @@ struct b53_device { + + /* used ports mask */ + u16 enabled_ports; ++ unsigned int imp_port; + unsigned int cpu_port; + + /* connect specific data */ diff --git a/target/linux/generic/backport-5.10/793-v5.16-0001-net-dsa-b53-Include-all-ports-in-enabled_ports.patch b/target/linux/generic/backport-5.10/793-v5.16-0001-net-dsa-b53-Include-all-ports-in-enabled_ports.patch new file mode 100644 index 000000000000..d80b5db714bc --- /dev/null +++ b/target/linux/generic/backport-5.10/793-v5.16-0001-net-dsa-b53-Include-all-ports-in-enabled_ports.patch @@ -0,0 +1,131 @@ +From 983d96a9116a328668601555d96736261d33170c Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= +Date: Thu, 16 Sep 2021 14:03:51 +0200 +Subject: [PATCH] net: dsa: b53: Include all ports in "enabled_ports" +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Make "enabled_ports" bitfield contain all available switch ports +including a CPU port. This way there is no need for fixup during +initialization. + +For BCM53010, BCM53018 and BCM53019 include also other available ports. + +Signed-off-by: Rafał Miłecki +Reviewed-by: Florian Fainelli +Tested-by: Florian Fainelli +Signed-off-by: Jakub Kicinski +--- + drivers/net/dsa/b53/b53_common.c | 23 +++++++++++------------ + 1 file changed, 11 insertions(+), 12 deletions(-) + +--- a/drivers/net/dsa/b53/b53_common.c ++++ b/drivers/net/dsa/b53/b53_common.c +@@ -2288,7 +2288,7 @@ static const struct b53_chip_data b53_sw + .chip_id = BCM5325_DEVICE_ID, + .dev_name = "BCM5325", + .vlans = 16, +- .enabled_ports = 0x1f, ++ .enabled_ports = 0x3f, + .arl_bins = 2, + .arl_buckets = 1024, + .imp_port = 5, +@@ -2299,7 +2299,7 @@ static const struct b53_chip_data b53_sw + .chip_id = BCM5365_DEVICE_ID, + .dev_name = "BCM5365", + .vlans = 256, +- .enabled_ports = 0x1f, ++ .enabled_ports = 0x3f, + .arl_bins = 2, + .arl_buckets = 1024, + .imp_port = 5, +@@ -2310,7 +2310,7 @@ static const struct b53_chip_data b53_sw + .chip_id = BCM5389_DEVICE_ID, + .dev_name = "BCM5389", + .vlans = 4096, +- .enabled_ports = 0x1f, ++ .enabled_ports = 0x11f, + .arl_bins = 4, + .arl_buckets = 1024, + .imp_port = 8, +@@ -2324,7 +2324,7 @@ static const struct b53_chip_data b53_sw + .chip_id = BCM5395_DEVICE_ID, + .dev_name = "BCM5395", + .vlans = 4096, +- .enabled_ports = 0x1f, ++ .enabled_ports = 0x11f, + .arl_bins = 4, + .arl_buckets = 1024, + .imp_port = 8, +@@ -2338,7 +2338,7 @@ static const struct b53_chip_data b53_sw + .chip_id = BCM5397_DEVICE_ID, + .dev_name = "BCM5397", + .vlans = 4096, +- .enabled_ports = 0x1f, ++ .enabled_ports = 0x11f, + .arl_bins = 4, + .arl_buckets = 1024, + .imp_port = 8, +@@ -2352,7 +2352,7 @@ static const struct b53_chip_data b53_sw + .chip_id = BCM5398_DEVICE_ID, + .dev_name = "BCM5398", + .vlans = 4096, +- .enabled_ports = 0x7f, ++ .enabled_ports = 0x17f, + .arl_bins = 4, + .arl_buckets = 1024, + .imp_port = 8, +@@ -2366,7 +2366,7 @@ static const struct b53_chip_data b53_sw + .chip_id = BCM53115_DEVICE_ID, + .dev_name = "BCM53115", + .vlans = 4096, +- .enabled_ports = 0x1f, ++ .enabled_ports = 0x11f, + .arl_bins = 4, + .arl_buckets = 1024, + .vta_regs = B53_VTA_REGS, +@@ -2380,7 +2380,7 @@ static const struct b53_chip_data b53_sw + .chip_id = BCM53125_DEVICE_ID, + .dev_name = "BCM53125", + .vlans = 4096, +- .enabled_ports = 0xff, ++ .enabled_ports = 0x1ff, + .arl_bins = 4, + .arl_buckets = 1024, + .imp_port = 8, +@@ -2422,7 +2422,7 @@ static const struct b53_chip_data b53_sw + .chip_id = BCM53010_DEVICE_ID, + .dev_name = "BCM53010", + .vlans = 4096, +- .enabled_ports = 0x1f, ++ .enabled_ports = 0x1bf, + .arl_bins = 4, + .arl_buckets = 1024, + .imp_port = 8, +@@ -2464,7 +2464,7 @@ static const struct b53_chip_data b53_sw + .chip_id = BCM53018_DEVICE_ID, + .dev_name = "BCM53018", + .vlans = 4096, +- .enabled_ports = 0x1f, ++ .enabled_ports = 0x1bf, + .arl_bins = 4, + .arl_buckets = 1024, + .imp_port = 8, +@@ -2478,7 +2478,7 @@ static const struct b53_chip_data b53_sw + .chip_id = BCM53019_DEVICE_ID, + .dev_name = "BCM53019", + .vlans = 4096, +- .enabled_ports = 0x1f, ++ .enabled_ports = 0x1bf, + .arl_bins = 4, + .arl_buckets = 1024, + .imp_port = 8, +@@ -2605,7 +2605,6 @@ static int b53_switch_init(struct b53_de + dev->cpu_port = 5; + } + +- dev->enabled_ports |= BIT(dev->cpu_port); + dev->num_ports = fls(dev->enabled_ports); + + dev->ds->num_ports = min_t(unsigned int, dev->num_ports, DSA_MAX_PORTS); diff --git a/target/linux/generic/backport-5.10/793-v5.16-0002-net-dsa-b53-Drop-BCM5301x-workaround-for-a-wrong-CPU.patch b/target/linux/generic/backport-5.10/793-v5.16-0002-net-dsa-b53-Drop-BCM5301x-workaround-for-a-wrong-CPU.patch new file mode 100644 index 000000000000..4a4f8e940d22 --- /dev/null +++ b/target/linux/generic/backport-5.10/793-v5.16-0002-net-dsa-b53-Drop-BCM5301x-workaround-for-a-wrong-CPU.patch @@ -0,0 +1,42 @@ +From b290c6384afabbca5ae6e2af72fb1b2bc37922be Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= +Date: Thu, 16 Sep 2021 14:03:52 +0200 +Subject: [PATCH] net: dsa: b53: Drop BCM5301x workaround for a wrong CPU/IMP + port +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +On BCM5301x port 8 requires a fixed link when used. + +Years ago when b53 was an OpenWrt downstream driver (with configuration +based on sometimes bugged NVRAM) there was a need for a fixup. In case +of forcing fixed link for (incorrectly specified) port 5 the code had to +actually setup port 8 link. + +For upstream b53 driver with setup based on DT there is no need for that +workaround. In DT we have and require correct ports setup. + +Signed-off-by: Rafał Miłecki +Reviewed-by: Florian Fainelli +Tested-by: Florian Fainelli +Signed-off-by: Jakub Kicinski +--- + drivers/net/dsa/b53/b53_common.c | 6 ------ + 1 file changed, 6 deletions(-) + +--- a/drivers/net/dsa/b53/b53_common.c ++++ b/drivers/net/dsa/b53/b53_common.c +@@ -1256,12 +1256,6 @@ static void b53_adjust_link(struct dsa_s + return; + } + } +- } else if (is5301x(dev)) { +- if (port != dev->cpu_port) { +- b53_force_port_config(dev, dev->cpu_port, 2000, +- DUPLEX_FULL, true, true); +- b53_force_link(dev, dev->cpu_port, 1); +- } + } + + /* Re-negotiate EEE if it was enabled already */ diff --git a/target/linux/generic/backport-5.10/793-v5.16-0003-net-dsa-b53-Improve-flow-control-setup-on-BCM5301x.patch b/target/linux/generic/backport-5.10/793-v5.16-0003-net-dsa-b53-Improve-flow-control-setup-on-BCM5301x.patch new file mode 100644 index 000000000000..3954ee4aac63 --- /dev/null +++ b/target/linux/generic/backport-5.10/793-v5.16-0003-net-dsa-b53-Improve-flow-control-setup-on-BCM5301x.patch @@ -0,0 +1,32 @@ +From 3ff26b29230c54fea2353b63124c589b61953e14 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= +Date: Thu, 16 Sep 2021 14:03:53 +0200 +Subject: [PATCH] net: dsa: b53: Improve flow control setup on BCM5301x +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +According to the Broadcom's reference driver flow control needs to be +enabled for any CPU switch port (5, 7 or 8 - depending on which one is +used). Current code makes it work only for the port 5. Use +dsa_is_cpu_port() which solved that problem. + +Signed-off-by: Rafał Miłecki +Reviewed-by: Florian Fainelli +Tested-by: Florian Fainelli +Signed-off-by: Jakub Kicinski +--- + drivers/net/dsa/b53/b53_common.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/drivers/net/dsa/b53/b53_common.c ++++ b/drivers/net/dsa/b53/b53_common.c +@@ -1187,7 +1187,7 @@ static void b53_adjust_link(struct dsa_s + return; + + /* Enable flow control on BCM5301x's CPU port */ +- if (is5301x(dev) && port == dev->cpu_port) ++ if (is5301x(dev) && dsa_is_cpu_port(ds, port)) + tx_pause = rx_pause = true; + + if (phydev->pause) { diff --git a/target/linux/generic/backport-5.10/793-v5.16-0004-net-dsa-b53-Drop-unused-cpu_port-field.patch b/target/linux/generic/backport-5.10/793-v5.16-0004-net-dsa-b53-Drop-unused-cpu_port-field.patch new file mode 100644 index 000000000000..9e687b14880b --- /dev/null +++ b/target/linux/generic/backport-5.10/793-v5.16-0004-net-dsa-b53-Drop-unused-cpu_port-field.patch @@ -0,0 +1,205 @@ +From 7d5af56418d7d01e43247a33b6fe6492ea871923 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= +Date: Thu, 16 Sep 2021 14:03:54 +0200 +Subject: [PATCH] net: dsa: b53: Drop unused "cpu_port" field +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +It's set but never used anymore. + +Signed-off-by: Rafał Miłecki +Reviewed-by: Florian Fainelli +Tested-by: Florian Fainelli +Signed-off-by: Jakub Kicinski +--- + drivers/net/dsa/b53/b53_common.c | 28 ---------------------------- + drivers/net/dsa/b53/b53_priv.h | 1 - + 2 files changed, 29 deletions(-) + +--- a/drivers/net/dsa/b53/b53_common.c ++++ b/drivers/net/dsa/b53/b53_common.c +@@ -2286,7 +2286,6 @@ static const struct b53_chip_data b53_sw + .arl_bins = 2, + .arl_buckets = 1024, + .imp_port = 5, +- .cpu_port = B53_CPU_PORT_25, + .duplex_reg = B53_DUPLEX_STAT_FE, + }, + { +@@ -2297,7 +2296,6 @@ static const struct b53_chip_data b53_sw + .arl_bins = 2, + .arl_buckets = 1024, + .imp_port = 5, +- .cpu_port = B53_CPU_PORT_25, + .duplex_reg = B53_DUPLEX_STAT_FE, + }, + { +@@ -2308,7 +2306,6 @@ static const struct b53_chip_data b53_sw + .arl_bins = 4, + .arl_buckets = 1024, + .imp_port = 8, +- .cpu_port = B53_CPU_PORT, + .vta_regs = B53_VTA_REGS, + .duplex_reg = B53_DUPLEX_STAT_GE, + .jumbo_pm_reg = B53_JUMBO_PORT_MASK, +@@ -2322,7 +2319,6 @@ static const struct b53_chip_data b53_sw + .arl_bins = 4, + .arl_buckets = 1024, + .imp_port = 8, +- .cpu_port = B53_CPU_PORT, + .vta_regs = B53_VTA_REGS, + .duplex_reg = B53_DUPLEX_STAT_GE, + .jumbo_pm_reg = B53_JUMBO_PORT_MASK, +@@ -2336,7 +2332,6 @@ static const struct b53_chip_data b53_sw + .arl_bins = 4, + .arl_buckets = 1024, + .imp_port = 8, +- .cpu_port = B53_CPU_PORT, + .vta_regs = B53_VTA_REGS_9798, + .duplex_reg = B53_DUPLEX_STAT_GE, + .jumbo_pm_reg = B53_JUMBO_PORT_MASK, +@@ -2350,7 +2345,6 @@ static const struct b53_chip_data b53_sw + .arl_bins = 4, + .arl_buckets = 1024, + .imp_port = 8, +- .cpu_port = B53_CPU_PORT, + .vta_regs = B53_VTA_REGS_9798, + .duplex_reg = B53_DUPLEX_STAT_GE, + .jumbo_pm_reg = B53_JUMBO_PORT_MASK, +@@ -2365,7 +2359,6 @@ static const struct b53_chip_data b53_sw + .arl_buckets = 1024, + .vta_regs = B53_VTA_REGS, + .imp_port = 8, +- .cpu_port = B53_CPU_PORT, + .duplex_reg = B53_DUPLEX_STAT_GE, + .jumbo_pm_reg = B53_JUMBO_PORT_MASK, + .jumbo_size_reg = B53_JUMBO_MAX_SIZE, +@@ -2378,7 +2371,6 @@ static const struct b53_chip_data b53_sw + .arl_bins = 4, + .arl_buckets = 1024, + .imp_port = 8, +- .cpu_port = B53_CPU_PORT, + .vta_regs = B53_VTA_REGS, + .duplex_reg = B53_DUPLEX_STAT_GE, + .jumbo_pm_reg = B53_JUMBO_PORT_MASK, +@@ -2392,7 +2384,6 @@ static const struct b53_chip_data b53_sw + .arl_bins = 4, + .arl_buckets = 1024, + .imp_port = 8, +- .cpu_port = B53_CPU_PORT, + .vta_regs = B53_VTA_REGS, + .duplex_reg = B53_DUPLEX_STAT_GE, + .jumbo_pm_reg = B53_JUMBO_PORT_MASK, +@@ -2406,7 +2397,6 @@ static const struct b53_chip_data b53_sw + .arl_bins = 4, + .arl_buckets = 1024, + .imp_port = 8, +- .cpu_port = B53_CPU_PORT, + .vta_regs = B53_VTA_REGS_63XX, + .duplex_reg = B53_DUPLEX_STAT_63XX, + .jumbo_pm_reg = B53_JUMBO_PORT_MASK_63XX, +@@ -2420,7 +2410,6 @@ static const struct b53_chip_data b53_sw + .arl_bins = 4, + .arl_buckets = 1024, + .imp_port = 8, +- .cpu_port = B53_CPU_PORT_25, /* TODO: auto detect */ + .vta_regs = B53_VTA_REGS, + .duplex_reg = B53_DUPLEX_STAT_GE, + .jumbo_pm_reg = B53_JUMBO_PORT_MASK, +@@ -2434,7 +2423,6 @@ static const struct b53_chip_data b53_sw + .arl_bins = 4, + .arl_buckets = 1024, + .imp_port = 8, +- .cpu_port = B53_CPU_PORT_25, /* TODO: auto detect */ + .vta_regs = B53_VTA_REGS, + .duplex_reg = B53_DUPLEX_STAT_GE, + .jumbo_pm_reg = B53_JUMBO_PORT_MASK, +@@ -2448,7 +2436,6 @@ static const struct b53_chip_data b53_sw + .arl_bins = 4, + .arl_buckets = 1024, + .imp_port = 8, +- .cpu_port = B53_CPU_PORT_25, /* TODO: auto detect */ + .vta_regs = B53_VTA_REGS, + .duplex_reg = B53_DUPLEX_STAT_GE, + .jumbo_pm_reg = B53_JUMBO_PORT_MASK, +@@ -2462,7 +2449,6 @@ static const struct b53_chip_data b53_sw + .arl_bins = 4, + .arl_buckets = 1024, + .imp_port = 8, +- .cpu_port = B53_CPU_PORT_25, /* TODO: auto detect */ + .vta_regs = B53_VTA_REGS, + .duplex_reg = B53_DUPLEX_STAT_GE, + .jumbo_pm_reg = B53_JUMBO_PORT_MASK, +@@ -2476,7 +2462,6 @@ static const struct b53_chip_data b53_sw + .arl_bins = 4, + .arl_buckets = 1024, + .imp_port = 8, +- .cpu_port = B53_CPU_PORT_25, /* TODO: auto detect */ + .vta_regs = B53_VTA_REGS, + .duplex_reg = B53_DUPLEX_STAT_GE, + .jumbo_pm_reg = B53_JUMBO_PORT_MASK, +@@ -2490,7 +2475,6 @@ static const struct b53_chip_data b53_sw + .arl_bins = 4, + .arl_buckets = 1024, + .imp_port = 8, +- .cpu_port = B53_CPU_PORT, + .vta_regs = B53_VTA_REGS, + .duplex_reg = B53_DUPLEX_STAT_GE, + .jumbo_pm_reg = B53_JUMBO_PORT_MASK, +@@ -2504,7 +2488,6 @@ static const struct b53_chip_data b53_sw + .arl_bins = 4, + .arl_buckets = 1024, + .imp_port = 8, +- .cpu_port = B53_CPU_PORT, + .vta_regs = B53_VTA_REGS, + .duplex_reg = B53_DUPLEX_STAT_GE, + .jumbo_pm_reg = B53_JUMBO_PORT_MASK, +@@ -2518,7 +2501,6 @@ static const struct b53_chip_data b53_sw + .arl_bins = 4, + .arl_buckets = 1024, + .imp_port = 8, +- .cpu_port = B53_CPU_PORT, + .vta_regs = B53_VTA_REGS, + .duplex_reg = B53_DUPLEX_STAT_GE, + .jumbo_pm_reg = B53_JUMBO_PORT_MASK, +@@ -2532,7 +2514,6 @@ static const struct b53_chip_data b53_sw + .arl_bins = 4, + .arl_buckets = 256, + .imp_port = 8, +- .cpu_port = B53_CPU_PORT, + .vta_regs = B53_VTA_REGS, + .duplex_reg = B53_DUPLEX_STAT_GE, + .jumbo_pm_reg = B53_JUMBO_PORT_MASK, +@@ -2558,7 +2539,6 @@ static int b53_switch_init(struct b53_de + dev->vta_regs[2] = chip->vta_regs[2]; + dev->jumbo_pm_reg = chip->jumbo_pm_reg; + dev->imp_port = chip->imp_port; +- dev->cpu_port = chip->cpu_port; + dev->num_vlans = chip->vlans; + dev->num_arl_bins = chip->arl_bins; + dev->num_arl_buckets = chip->arl_buckets; +@@ -2590,13 +2570,6 @@ static int b53_switch_init(struct b53_de + break; + #endif + } +- } else if (dev->chip_id == BCM53115_DEVICE_ID) { +- u64 strap_value; +- +- b53_read48(dev, B53_STAT_PAGE, B53_STRAP_VALUE, &strap_value); +- /* use second IMP port if GMII is enabled */ +- if (strap_value & SV_GMII_CTRL_115) +- dev->cpu_port = 5; + } + + dev->num_ports = fls(dev->enabled_ports); +--- a/drivers/net/dsa/b53/b53_priv.h ++++ b/drivers/net/dsa/b53/b53_priv.h +@@ -123,7 +123,6 @@ struct b53_device { + /* used ports mask */ + u16 enabled_ports; + unsigned int imp_port; +- unsigned int cpu_port; + + /* connect specific data */ + u8 current_page;