+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Copyright (c) 2018 MediaTek Inc.
- * Author: Weijie Gao <weijie.gao@mediatek.com>
- */
-
-#include <linux/if.h>
-#include <linux/list.h>
-#include <linux/if_ether.h>
-#include <linux/skbuff.h>
-#include <linux/netdevice.h>
-#include <linux/netlink.h>
-#include <linux/bitops.h>
-#include <net/genetlink.h>
-#include <linux/delay.h>
-#include <linux/phy.h>
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/lockdep.h>
-#include <linux/workqueue.h>
-#include <linux/of_device.h>
-
-#include "mt753x.h"
-#include "mt753x_swconfig.h"
-#include "mt753x_regs.h"
-
-#define MT753X_PORT_MIB_TXB_ID 18 /* TxByte */
-#define MT753X_PORT_MIB_RXB_ID 37 /* RxByte */
-
-#define MIB_DESC(_s, _o, _n) \
- { \
- .size = (_s), \
- .offset = (_o), \
- .name = (_n), \
- }
-
-struct mt753x_mib_desc {
- unsigned int size;
- unsigned int offset;
- const char *name;
-};
-
-static const struct mt753x_mib_desc mt753x_mibs[] = {
- MIB_DESC(1, STATS_TDPC, "TxDrop"),
- MIB_DESC(1, STATS_TCRC, "TxCRC"),
- MIB_DESC(1, STATS_TUPC, "TxUni"),
- MIB_DESC(1, STATS_TMPC, "TxMulti"),
- MIB_DESC(1, STATS_TBPC, "TxBroad"),
- MIB_DESC(1, STATS_TCEC, "TxCollision"),
- MIB_DESC(1, STATS_TSCEC, "TxSingleCol"),
- MIB_DESC(1, STATS_TMCEC, "TxMultiCol"),
- MIB_DESC(1, STATS_TDEC, "TxDefer"),
- MIB_DESC(1, STATS_TLCEC, "TxLateCol"),
- MIB_DESC(1, STATS_TXCEC, "TxExcCol"),
- MIB_DESC(1, STATS_TPPC, "TxPause"),
- MIB_DESC(1, STATS_TL64PC, "Tx64Byte"),
- MIB_DESC(1, STATS_TL65PC, "Tx65Byte"),
- MIB_DESC(1, STATS_TL128PC, "Tx128Byte"),
- MIB_DESC(1, STATS_TL256PC, "Tx256Byte"),
- MIB_DESC(1, STATS_TL512PC, "Tx512Byte"),
- MIB_DESC(1, STATS_TL1024PC, "Tx1024Byte"),
- MIB_DESC(2, STATS_TOC, "TxByte"),
- MIB_DESC(1, STATS_RDPC, "RxDrop"),
- MIB_DESC(1, STATS_RFPC, "RxFiltered"),
- MIB_DESC(1, STATS_RUPC, "RxUni"),
- MIB_DESC(1, STATS_RMPC, "RxMulti"),
- MIB_DESC(1, STATS_RBPC, "RxBroad"),
- MIB_DESC(1, STATS_RAEPC, "RxAlignErr"),
- MIB_DESC(1, STATS_RCEPC, "RxCRC"),
- MIB_DESC(1, STATS_RUSPC, "RxUnderSize"),
- MIB_DESC(1, STATS_RFEPC, "RxFragment"),
- MIB_DESC(1, STATS_ROSPC, "RxOverSize"),
- MIB_DESC(1, STATS_RJEPC, "RxJabber"),
- MIB_DESC(1, STATS_RPPC, "RxPause"),
- MIB_DESC(1, STATS_RL64PC, "Rx64Byte"),
- MIB_DESC(1, STATS_RL65PC, "Rx65Byte"),
- MIB_DESC(1, STATS_RL128PC, "Rx128Byte"),
- MIB_DESC(1, STATS_RL256PC, "Rx256Byte"),
- MIB_DESC(1, STATS_RL512PC, "Rx512Byte"),
- MIB_DESC(1, STATS_RL1024PC, "Rx1024Byte"),
- MIB_DESC(2, STATS_ROC, "RxByte"),
- MIB_DESC(1, STATS_RDPC_CTRL, "RxCtrlDrop"),
- MIB_DESC(1, STATS_RDPC_ING, "RxIngDrop"),
- MIB_DESC(1, STATS_RDPC_ARL, "RxARLDrop")
-};
-
-enum {
- /* Global attributes. */
- MT753X_ATTR_ENABLE_VLAN,
-};
-
-static int mt753x_get_vlan_enable(struct switch_dev *dev,
- const struct switch_attr *attr,
- struct switch_val *val)
-{
- struct gsw_mt753x *gsw = container_of(dev, struct gsw_mt753x, swdev);
-
- val->value.i = gsw->global_vlan_enable;
-
- return 0;
-}
-
-static int mt753x_set_vlan_enable(struct switch_dev *dev,
- const struct switch_attr *attr,
- struct switch_val *val)
-{
- struct gsw_mt753x *gsw = container_of(dev, struct gsw_mt753x, swdev);
-
- gsw->global_vlan_enable = val->value.i != 0;
-
- return 0;
-}
-
-static int mt753x_get_port_pvid(struct switch_dev *dev, int port, int *val)
-{
- struct gsw_mt753x *gsw = container_of(dev, struct gsw_mt753x, swdev);
-
- if (port >= MT753X_NUM_PORTS)
- return -EINVAL;
-
- *val = mt753x_reg_read(gsw, PPBV1(port));
- *val &= GRP_PORT_VID_M;
-
- return 0;
-}
-
-static int mt753x_set_port_pvid(struct switch_dev *dev, int port, int pvid)
-{
- struct gsw_mt753x *gsw = container_of(dev, struct gsw_mt753x, swdev);
-
- if (port >= MT753X_NUM_PORTS)
- return -EINVAL;
-
- if (pvid < MT753X_MIN_VID || pvid > MT753X_MAX_VID)
- return -EINVAL;
-
- gsw->port_entries[port].pvid = pvid;
-
- return 0;
-}
-
-static int mt753x_get_vlan_ports(struct switch_dev *dev, struct switch_val *val)
-{
- struct gsw_mt753x *gsw = container_of(dev, struct gsw_mt753x, swdev);
- u32 member;
- u32 etags;
- int i;
-
- val->len = 0;
-
- if (val->port_vlan < 0 || val->port_vlan >= MT753X_NUM_VLANS)
- return -EINVAL;
-
- mt753x_vlan_ctrl(gsw, VTCR_READ_VLAN_ENTRY, val->port_vlan);
-
- member = mt753x_reg_read(gsw, VAWD1);
- member &= PORT_MEM_M;
- member >>= PORT_MEM_S;
-
- etags = mt753x_reg_read(gsw, VAWD2);
-
- for (i = 0; i < MT753X_NUM_PORTS; i++) {
- struct switch_port *p;
- int etag;
-
- if (!(member & BIT(i)))
- continue;
-
- p = &val->value.ports[val->len++];
- p->id = i;
-
- etag = (etags >> PORT_ETAG_S(i)) & PORT_ETAG_M;
-
- if (etag == ETAG_CTRL_TAG)
- p->flags |= BIT(SWITCH_PORT_FLAG_TAGGED);
- else if (etag != ETAG_CTRL_UNTAG)
- dev_info(gsw->dev,
- "vlan egress tag control neither untag nor tag.\n");
- }
-
- return 0;
-}
-
-static int mt753x_set_vlan_ports(struct switch_dev *dev, struct switch_val *val)
-{
- struct gsw_mt753x *gsw = container_of(dev, struct gsw_mt753x, swdev);
- u8 member = 0;
- u8 etags = 0;
- int i;
-
- if (val->port_vlan < 0 || val->port_vlan >= MT753X_NUM_VLANS ||
- val->len > MT753X_NUM_PORTS)
- return -EINVAL;
-
- for (i = 0; i < val->len; i++) {
- struct switch_port *p = &val->value.ports[i];
-
- if (p->id >= MT753X_NUM_PORTS)
- return -EINVAL;
-
- member |= BIT(p->id);
-
- if (p->flags & BIT(SWITCH_PORT_FLAG_TAGGED))
- etags |= BIT(p->id);
- }
-
- gsw->vlan_entries[val->port_vlan].member = member;
- gsw->vlan_entries[val->port_vlan].etags = etags;
-
- return 0;
-}
-
-static int mt753x_set_vid(struct switch_dev *dev,
- const struct switch_attr *attr,
- struct switch_val *val)
-{
- struct gsw_mt753x *gsw = container_of(dev, struct gsw_mt753x, swdev);
- int vlan;
- u16 vid;
-
- vlan = val->port_vlan;
- vid = (u16)val->value.i;
-
- if (vlan < 0 || vlan >= MT753X_NUM_VLANS)
- return -EINVAL;
-
- if (vid < MT753X_MIN_VID || vid > MT753X_MAX_VID)
- return -EINVAL;
-
- gsw->vlan_entries[vlan].vid = vid;
- return 0;
-}
-
-static int mt753x_get_vid(struct switch_dev *dev,
- const struct switch_attr *attr,
- struct switch_val *val)
-{
- val->value.i = val->port_vlan;
- return 0;
-}
-
-static int mt753x_get_port_link(struct switch_dev *dev, int port,
- struct switch_port_link *link)
-{
- struct gsw_mt753x *gsw = container_of(dev, struct gsw_mt753x, swdev);
- u32 speed, pmsr;
-
- if (port < 0 || port >= MT753X_NUM_PORTS)
- return -EINVAL;
-
- pmsr = mt753x_reg_read(gsw, PMSR(port));
-
- link->link = pmsr & MAC_LNK_STS;
- link->duplex = pmsr & MAC_DPX_STS;
- speed = (pmsr & MAC_SPD_STS_M) >> MAC_SPD_STS_S;
-
- switch (speed) {
- case MAC_SPD_10:
- link->speed = SWITCH_PORT_SPEED_10;
- break;
- case MAC_SPD_100:
- link->speed = SWITCH_PORT_SPEED_100;
- break;
- case MAC_SPD_1000:
- link->speed = SWITCH_PORT_SPEED_1000;
- break;
- case MAC_SPD_2500:
- /* TODO: swconfig has no support for 2500 now */
- link->speed = SWITCH_PORT_SPEED_UNKNOWN;
- break;
- }
-
- return 0;
-}
-
-static int mt753x_set_port_link(struct switch_dev *dev, int port,
- struct switch_port_link *link)
-{
-#ifndef MODULE
- if (port >= MT753X_NUM_PHYS)
- return -EINVAL;
-
- return switch_generic_set_link(dev, port, link);
-#else
- return -ENOTSUPP;
-#endif
-}
-
-static u64 get_mib_counter(struct gsw_mt753x *gsw, int i, int port)
-{
- unsigned int offset;
- u64 lo, hi, hi2;
-
- offset = mt753x_mibs[i].offset;
-
- if (mt753x_mibs[i].size == 1)
- return mt753x_reg_read(gsw, MIB_COUNTER_REG(port, offset));
-
- do {
- hi = mt753x_reg_read(gsw, MIB_COUNTER_REG(port, offset + 4));
- lo = mt753x_reg_read(gsw, MIB_COUNTER_REG(port, offset));
- hi2 = mt753x_reg_read(gsw, MIB_COUNTER_REG(port, offset + 4));
- } while (hi2 != hi);
-
- return (hi << 32) | lo;
-}
-
-static int mt753x_get_port_mib(struct switch_dev *dev,
- const struct switch_attr *attr,
- struct switch_val *val)
-{
- static char buf[4096];
- struct gsw_mt753x *gsw = container_of(dev, struct gsw_mt753x, swdev);
- int i, len = 0;
-
- if (val->port_vlan >= MT753X_NUM_PORTS)
- return -EINVAL;
-
- len += snprintf(buf + len, sizeof(buf) - len,
- "Port %d MIB counters\n", val->port_vlan);
-
- for (i = 0; i < ARRAY_SIZE(mt753x_mibs); ++i) {
- u64 counter;
-
- len += snprintf(buf + len, sizeof(buf) - len,
- "%-11s: ", mt753x_mibs[i].name);
- counter = get_mib_counter(gsw, i, val->port_vlan);
- len += snprintf(buf + len, sizeof(buf) - len, "%llu\n",
- counter);
- }
-
- val->value.s = buf;
- val->len = len;
- return 0;
-}
-
-static int mt753x_get_port_stats(struct switch_dev *dev, int port,
- struct switch_port_stats *stats)
-{
- struct gsw_mt753x *gsw = container_of(dev, struct gsw_mt753x, swdev);
-
- if (port < 0 || port >= MT753X_NUM_PORTS)
- return -EINVAL;
-
- stats->tx_bytes = get_mib_counter(gsw, MT753X_PORT_MIB_TXB_ID, port);
- stats->rx_bytes = get_mib_counter(gsw, MT753X_PORT_MIB_RXB_ID, port);
-
- return 0;
-}
-
-static void mt753x_port_isolation(struct gsw_mt753x *gsw)
-{
- int i;
-
- for (i = 0; i < MT753X_NUM_PORTS; i++)
- mt753x_reg_write(gsw, PCR(i),
- BIT(gsw->cpu_port) << PORT_MATRIX_S);
-
- mt753x_reg_write(gsw, PCR(gsw->cpu_port), PORT_MATRIX_M);
-
- for (i = 0; i < MT753X_NUM_PORTS; i++)
- mt753x_reg_write(gsw, PVC(i),
- (0x8100 << STAG_VPID_S) |
- (VA_TRANSPARENT_PORT << VLAN_ATTR_S));
-}
-
-static int mt753x_apply_config(struct switch_dev *dev)
-{
- struct gsw_mt753x *gsw = container_of(dev, struct gsw_mt753x, swdev);
-
- if (!gsw->global_vlan_enable) {
- mt753x_port_isolation(gsw);
- return 0;
- }
-
- mt753x_apply_vlan_config(gsw);
-
- return 0;
-}
-
-static int mt753x_reset_switch(struct switch_dev *dev)
-{
- struct gsw_mt753x *gsw = container_of(dev, struct gsw_mt753x, swdev);
- int i;
-
- memset(gsw->port_entries, 0, sizeof(gsw->port_entries));
- memset(gsw->vlan_entries, 0, sizeof(gsw->vlan_entries));
-
- /* set default vid of each vlan to the same number of vlan, so the vid
- * won't need be set explicitly.
- */
- for (i = 0; i < MT753X_NUM_VLANS; i++)
- gsw->vlan_entries[i].vid = i;
-
- return 0;
-}
-
-static int mt753x_phy_read16(struct switch_dev *dev, int addr, u8 reg,
- u16 *value)
-{
- struct gsw_mt753x *gsw = container_of(dev, struct gsw_mt753x, swdev);
-
- *value = gsw->mii_read(gsw, addr, reg);
-
- return 0;
-}
-
-static int mt753x_phy_write16(struct switch_dev *dev, int addr, u8 reg,
- u16 value)
-{
- struct gsw_mt753x *gsw = container_of(dev, struct gsw_mt753x, swdev);
-
- gsw->mii_write(gsw, addr, reg, value);
-
- return 0;
-}
-
-static const struct switch_attr mt753x_global[] = {
- {
- .type = SWITCH_TYPE_INT,
- .name = "enable_vlan",
- .description = "VLAN mode (1:enabled)",
- .max = 1,
- .id = MT753X_ATTR_ENABLE_VLAN,
- .get = mt753x_get_vlan_enable,
- .set = mt753x_set_vlan_enable,
- }
-};
-
-static const struct switch_attr mt753x_port[] = {
- {
- .type = SWITCH_TYPE_STRING,
- .name = "mib",
- .description = "Get MIB counters for port",
- .get = mt753x_get_port_mib,
- .set = NULL,
- },
-};
-
-static const struct switch_attr mt753x_vlan[] = {
- {
- .type = SWITCH_TYPE_INT,
- .name = "vid",
- .description = "VLAN ID (0-4094)",
- .set = mt753x_set_vid,
- .get = mt753x_get_vid,
- .max = 4094,
- },
-};
-
-static const struct switch_dev_ops mt753x_swdev_ops = {
- .attr_global = {
- .attr = mt753x_global,
- .n_attr = ARRAY_SIZE(mt753x_global),
- },
- .attr_port = {
- .attr = mt753x_port,
- .n_attr = ARRAY_SIZE(mt753x_port),
- },
- .attr_vlan = {
- .attr = mt753x_vlan,
- .n_attr = ARRAY_SIZE(mt753x_vlan),
- },
- .get_vlan_ports = mt753x_get_vlan_ports,
- .set_vlan_ports = mt753x_set_vlan_ports,
- .get_port_pvid = mt753x_get_port_pvid,
- .set_port_pvid = mt753x_set_port_pvid,
- .get_port_link = mt753x_get_port_link,
- .set_port_link = mt753x_set_port_link,
- .get_port_stats = mt753x_get_port_stats,
- .apply_config = mt753x_apply_config,
- .reset_switch = mt753x_reset_switch,
- .phy_read16 = mt753x_phy_read16,
- .phy_write16 = mt753x_phy_write16,
-};
-
-int mt753x_swconfig_init(struct gsw_mt753x *gsw)
-{
- struct device_node *np = gsw->dev->of_node;
- struct switch_dev *swdev;
- int ret;
-
- if (of_property_read_u32(np, "mediatek,cpuport", &gsw->cpu_port))
- gsw->cpu_port = MT753X_DFL_CPU_PORT;
-
- swdev = &gsw->swdev;
-
- swdev->name = gsw->name;
- swdev->alias = gsw->name;
- swdev->cpu_port = gsw->cpu_port;
- swdev->ports = MT753X_NUM_PORTS;
- swdev->vlans = MT753X_NUM_VLANS;
- swdev->ops = &mt753x_swdev_ops;
-
- ret = register_switch(swdev, NULL);
- if (ret) {
- dev_notice(gsw->dev, "Failed to register switch %s\n",
- swdev->name);
- return ret;
- }
-
- mt753x_apply_config(swdev);
-
- return 0;
-}
-
-void mt753x_swconfig_destroy(struct gsw_mt753x *gsw)
-{
- unregister_switch(&gsw->swdev);
-}
projects / openwrt / staging / dedeckeh.git / blobdiff