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lantiq: add VLAN handling fixes to xrx200 ethernet driver

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Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau 2016-06-12 15:38:54 +02:00
parent 172eebbd28
commit c536da365b
1 changed files with 37 additions and 17 deletions
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54
target/linux/lantiq/patches-4.4/0025-NET-MIPS-lantiq-adds-xrx200-net.patch
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@ -209,7 +209,7 @@ Subject: [PATCH 25/36] NET: MIPS: lantiq: adds xrx200-net
+}; +};
--- /dev/null --- /dev/null
+++ b/drivers/net/ethernet/lantiq_xrx200.c +++ b/drivers/net/ethernet/lantiq_xrx200.c
@@ -0,0 +1,1810 @@ @@ -0,0 +1,1830 @@
+/* +/*
+ * This program is free software; you can redistribute it and/or modify it + * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published + * under the terms of the GNU General Public License version 2 as published
@ -234,6 +234,7 @@ Subject: [PATCH 25/36] NET: MIPS: lantiq: adds xrx200-net
+#include <linux/platform_device.h> +#include <linux/platform_device.h>
+#include <linux/interrupt.h> +#include <linux/interrupt.h>
+#include <linux/clk.h> +#include <linux/clk.h>
+#include <linux/if_vlan.h>
+#include <asm/delay.h> +#include <asm/delay.h>
+ +
+#include <linux/of_net.h> +#include <linux/of_net.h>
@ -248,14 +249,9 @@ Subject: [PATCH 25/36] NET: MIPS: lantiq: adds xrx200-net
+ +
+#define SW_POLLING +#define SW_POLLING
+#define SW_ROUTING +#define SW_ROUTING
+/* #define SW_PORTMAP */
+ +
+#ifdef SW_ROUTING +#ifdef SW_ROUTING
+ #ifdef SW_PORTMAP
+#define XRX200_MAX_DEV 2 +#define XRX200_MAX_DEV 2
+ #else
+#define XRX200_MAX_DEV 2
+ #endif
+#else +#else
+#define XRX200_MAX_DEV 1 +#define XRX200_MAX_DEV 1
+#endif +#endif
@ -435,6 +431,8 @@ Subject: [PATCH 25/36] NET: MIPS: lantiq: adds xrx200-net
+ struct mii_bus *mii_bus; + struct mii_bus *mii_bus;
+ +
+ struct xrx200_chan chan[XRX200_MAX_DMA]; + struct xrx200_chan chan[XRX200_MAX_DMA];
+ u16 vlan_vid[XRX200_MAX_VLAN];
+ u16 vlan_port_map[XRX200_MAX_VLAN];
+ +
+ struct net_device *devs[XRX200_MAX_DEV]; + struct net_device *devs[XRX200_MAX_DEV];
+ int num_devs; + int num_devs;
@ -735,6 +733,7 @@ Subject: [PATCH 25/36] NET: MIPS: lantiq: adds xrx200-net
+static int xrx200sw_set_vlan_vid(struct switch_dev *dev, const struct switch_attr *attr, +static int xrx200sw_set_vlan_vid(struct switch_dev *dev, const struct switch_attr *attr,
+ struct switch_val *val) + struct switch_val *val)
+{ +{
+ struct xrx200_hw *hw = container_of(dev, struct xrx200_hw, swdev);
+ int i; + int i;
+ struct xrx200_pce_table_entry tev; + struct xrx200_pce_table_entry tev;
+ struct xrx200_pce_table_entry tem; + struct xrx200_pce_table_entry tem;
@ -749,6 +748,8 @@ Subject: [PATCH 25/36] NET: MIPS: lantiq: adds xrx200-net
+ return -EINVAL; + return -EINVAL;
+ } + }
+ +
+ hw->vlan_vid[val->port_vlan] = val->value.i;
+
+ tev.index = val->port_vlan; + tev.index = val->port_vlan;
+ xrx200_pce_table_entry_read(&tev); + xrx200_pce_table_entry_read(&tev);
+ tev.key[0] = val->value.i; + tev.key[0] = val->value.i;
@ -780,6 +781,7 @@ Subject: [PATCH 25/36] NET: MIPS: lantiq: adds xrx200-net
+ +
+static int xrx200sw_set_vlan_ports(struct switch_dev *dev, struct switch_val *val) +static int xrx200sw_set_vlan_ports(struct switch_dev *dev, struct switch_val *val)
+{ +{
+ struct xrx200_hw *hw = container_of(dev, struct xrx200_hw, swdev);
+ int i, portmap, tagmap, untagged; + int i, portmap, tagmap, untagged;
+ struct xrx200_pce_table_entry tem; + struct xrx200_pce_table_entry tem;
+ +
@ -830,6 +832,10 @@ Subject: [PATCH 25/36] NET: MIPS: lantiq: adds xrx200-net
+ tem.val[2] = tagmap; + tem.val[2] = tagmap;
+ xrx200_pce_table_entry_write(&tem); + xrx200_pce_table_entry_write(&tem);
+ +
+ ltq_switch_w32_mask(0, portmap, PCE_PMAP2);
+ ltq_switch_w32_mask(0, portmap, PCE_PMAP3);
+ hw->vlan_port_map[val->port_vlan] = portmap;
+
+ xrx200sw_fixup_pvids(); + xrx200sw_fixup_pvids();
+ +
+ return 0; + return 0;
@ -1156,7 +1162,7 @@ Subject: [PATCH 25/36] NET: MIPS: lantiq: adds xrx200-net
+ if (ret) { + if (ret) {
+ netdev_err(dev, + netdev_err(dev,
+ "failed to allocate new rx buffer\n"); + "failed to allocate new rx buffer\n");
+ return 0; + return;
+ } + }
+ +
+ skb_put(skb, len); + skb_put(skb, len);
@ -1258,11 +1264,7 @@ Subject: [PATCH 25/36] NET: MIPS: lantiq: adds xrx200-net
+ u32 byte_offset; + u32 byte_offset;
+ int len; + int len;
+#ifdef SW_ROUTING +#ifdef SW_ROUTING
+ #ifdef SW_PORTMAP
+ u32 special_tag = (SPID_CPU_PORT << SPID_SHIFT) | PORT_MAP_SEL | PORT_MAP_EN | DPID_ENABLE;
+ #else
+ u32 special_tag = (SPID_CPU_PORT << SPID_SHIFT) | DPID_ENABLE; + u32 special_tag = (SPID_CPU_PORT << SPID_SHIFT) | DPID_ENABLE;
+ #endif
+#endif +#endif
+ +
+ skb->dev = dev; + skb->dev = dev;
@ -1274,12 +1276,27 @@ Subject: [PATCH 25/36] NET: MIPS: lantiq: adds xrx200-net
+ return NETDEV_TX_BUSY; + return NETDEV_TX_BUSY;
+ } + }
+#ifdef SW_ROUTING +#ifdef SW_ROUTING
+ #ifdef SW_PORTMAP + if (is_multicast_ether_addr(eth_hdr(skb)->h_dest)) {
+ u16 port_map = priv->port_map;
+ special_tag |= PORT_MAP_SEL | PORT_MAP_EN;
+ if (skb->protocol == htons(ETH_P_8021Q)) {
+ u16 vid;
+ int i;
+
+ if (!__vlan_get_tag(skb, &vid)) {
+ for (i = 0; i < XRX200_MAX_VLAN; i++) {
+ if (priv->hw->vlan_vid[i] != vid)
+ continue;
+ port_map = priv->hw->vlan_port_map[i];
+ break;
+ }
+ }
+ }
+ special_tag |= port_map << PORT_MAP_SHIFT;
+ }
+ special_tag |= priv->port_map << PORT_MAP_SHIFT; + special_tag |= priv->port_map << PORT_MAP_SHIFT;
+ #else
+ if(priv->id) + if(priv->id)
+ special_tag |= (1 << DPID_SHIFT); + special_tag |= (1 << DPID_SHIFT);
+ #endif
+ if(skb_headroom(skb) < 4) { + if(skb_headroom(skb) < 4) {
+ struct sk_buff *tmp = skb_realloc_headroom(skb, 4); + struct sk_buff *tmp = skb_realloc_headroom(skb, 4);
+ dev_kfree_skb_any(skb); + dev_kfree_skb_any(skb);
@ -1702,9 +1719,9 @@ Subject: [PATCH 25/36] NET: MIPS: lantiq: adds xrx200-net
+ xrx200_pci_microcode(); + xrx200_pci_microcode();
+ +
+ /* Default unknown Broadcat/Multicast/Unicast port maps */ + /* Default unknown Broadcat/Multicast/Unicast port maps */
+ ltq_switch_w32(0x7f, PCE_PMAP1); + ltq_switch_w32(0x40, PCE_PMAP1);
+ ltq_switch_w32(0x7f, PCE_PMAP2); + ltq_switch_w32(0x40, PCE_PMAP2);
+ ltq_switch_w32(0x7f, PCE_PMAP3); + ltq_switch_w32(0x40, PCE_PMAP3);
+ +
+ /* RMON Counter Enable for all physical ports */ + /* RMON Counter Enable for all physical ports */
+ for (i = 0; i < 7; i++) + for (i = 0; i < 7; i++)
@ -1745,6 +1762,9 @@ Subject: [PATCH 25/36] NET: MIPS: lantiq: adds xrx200-net
+ ltq_switch_w32_mask(0, BIT(3), MAC_CTRL_REG(6, 2)); + ltq_switch_w32_mask(0, BIT(3), MAC_CTRL_REG(6, 2));
+ ltq_switch_w32(1518 + 8 + 4 * 2, MAC_FLEN_REG); + ltq_switch_w32(1518 + 8 + 4 * 2, MAC_FLEN_REG);
+ xrx200sw_write_x(1, XRX200_BM_QUEUE_GCTRL_GL_MOD, 0); + xrx200sw_write_x(1, XRX200_BM_QUEUE_GCTRL_GL_MOD, 0);
+
+ for (i = 0; i < XRX200_MAX_VLAN; i++)
+ hw->vlan_vid[i] = i;
+} +}
+ +
+static void xrx200_hw_cleanup(struct xrx200_hw *hw) +static void xrx200_hw_cleanup(struct xrx200_hw *hw)