diff options
| -rw-r--r-- | arch/arm/mach-kirkwood/common.c | 5 | ||||
| -rw-r--r-- | arch/arm/mach-kirkwood/rd88f6281-setup.c | 13 | ||||
| -rw-r--r-- | arch/arm/mach-orion5x/common.c | 5 | ||||
| -rw-r--r-- | arch/arm/mach-orion5x/rd88f5181l-fxo-setup.c | 9 | ||||
| -rw-r--r-- | arch/arm/mach-orion5x/rd88f5181l-ge-setup.c | 10 | ||||
| -rw-r--r-- | arch/arm/mach-orion5x/rd88f6183ap-ge-setup.c | 10 | ||||
| -rw-r--r-- | arch/arm/mach-orion5x/wrt350n-v2-setup.c | 9 | ||||
| -rw-r--r-- | include/net/dsa.h | 42 | ||||
| -rw-r--r-- | net/dsa/dsa.c | 177 | ||||
| -rw-r--r-- | net/dsa/dsa_priv.h | 97 | ||||
| -rw-r--r-- | net/dsa/mv88e6060.c | 12 | ||||
| -rw-r--r-- | net/dsa/mv88e6123_61_65.c | 92 | ||||
| -rw-r--r-- | net/dsa/mv88e6131.c | 78 | ||||
| -rw-r--r-- | net/dsa/slave.c | 25 | ||||
| -rw-r--r-- | net/dsa/tag_dsa.c | 30 | ||||
| -rw-r--r-- | net/dsa/tag_edsa.c | 30 | ||||
| -rw-r--r-- | net/dsa/tag_trailer.c | 10 |
17 files changed, 443 insertions, 211 deletions
diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c index b3404b7..0d2074f 100644 --- a/arch/arm/mach-kirkwood/common.c +++ b/arch/arm/mach-kirkwood/common.c @@ -231,14 +231,17 @@ static struct platform_device kirkwood_switch_device = { void __init kirkwood_ge00_switch_init(struct dsa_platform_data *d, int irq) { + int i; + if (irq != NO_IRQ) { kirkwood_switch_resources[0].start = irq; kirkwood_switch_resources[0].end = irq; kirkwood_switch_device.num_resources = 1; } - d->mii_bus = &kirkwood_ge00_shared.dev; d->netdev = &kirkwood_ge00.dev; + for (i = 0; i < d->nr_chips; i++) + d->chip[i].mii_bus = &kirkwood_ge00_shared.dev; kirkwood_switch_device.dev.platform_data = d; platform_device_register(&kirkwood_switch_device); diff --git a/arch/arm/mach-kirkwood/rd88f6281-setup.c b/arch/arm/mach-kirkwood/rd88f6281-setup.c index 9a0e905..e1c0516 100644 --- a/arch/arm/mach-kirkwood/rd88f6281-setup.c +++ b/arch/arm/mach-kirkwood/rd88f6281-setup.c @@ -75,7 +75,7 @@ static struct mv643xx_eth_platform_data rd88f6281_ge00_data = { .duplex = DUPLEX_FULL, }; -static struct dsa_platform_data rd88f6281_switch_data = { +static struct dsa_chip_data rd88f6281_switch_chip_data = { .port_names[0] = "lan1", .port_names[1] = "lan2", .port_names[2] = "lan3", @@ -83,6 +83,11 @@ static struct dsa_platform_data rd88f6281_switch_data = { .port_names[5] = "cpu", }; +static struct dsa_platform_data rd88f6281_switch_plat_data = { + .nr_chips = 1, + .chip = &rd88f6281_switch_chip_data, +}; + static struct mv643xx_eth_platform_data rd88f6281_ge01_data = { .phy_addr = MV643XX_ETH_PHY_ADDR(11), }; @@ -105,12 +110,12 @@ static void __init rd88f6281_init(void) kirkwood_ge00_init(&rd88f6281_ge00_data); kirkwood_pcie_id(&dev, &rev); if (rev == MV88F6281_REV_A0) { - rd88f6281_switch_data.sw_addr = 10; + rd88f6281_switch_chip_data.sw_addr = 10; kirkwood_ge01_init(&rd88f6281_ge01_data); } else { - rd88f6281_switch_data.port_names[4] = "wan"; + rd88f6281_switch_chip_data.port_names[4] = "wan"; } - kirkwood_ge00_switch_init(&rd88f6281_switch_data, NO_IRQ); + kirkwood_ge00_switch_init(&rd88f6281_switch_plat_data, NO_IRQ); kirkwood_rtc_init(); kirkwood_sata_init(&rd88f6281_sata_data); diff --git a/arch/arm/mach-orion5x/common.c b/arch/arm/mach-orion5x/common.c index 0a62337..a4ecf62 100644 --- a/arch/arm/mach-orion5x/common.c +++ b/arch/arm/mach-orion5x/common.c @@ -219,14 +219,17 @@ static struct platform_device orion5x_switch_device = { void __init orion5x_eth_switch_init(struct dsa_platform_data *d, int irq) { + int i; + if (irq != NO_IRQ) { orion5x_switch_resources[0].start = irq; orion5x_switch_resources[0].end = irq; orion5x_switch_device.num_resources = 1; } - d->mii_bus = &orion5x_eth_shared.dev; d->netdev = &orion5x_eth.dev; + for (i = 0; i < d->nr_chips; i++) + d->chip[i].mii_bus = &orion5x_eth_shared.dev; orion5x_switch_device.dev.platform_data = d; platform_device_register(&orion5x_switch_device); diff --git a/arch/arm/mach-orion5x/rd88f5181l-fxo-setup.c b/arch/arm/mach-orion5x/rd88f5181l-fxo-setup.c index 15f5323..9c1ca41 100644 --- a/arch/arm/mach-orion5x/rd88f5181l-fxo-setup.c +++ b/arch/arm/mach-orion5x/rd88f5181l-fxo-setup.c @@ -94,7 +94,7 @@ static struct mv643xx_eth_platform_data rd88f5181l_fxo_eth_data = { .duplex = DUPLEX_FULL, }; -static struct dsa_platform_data rd88f5181l_fxo_switch_data = { +static struct dsa_chip_data rd88f5181l_fxo_switch_chip_data = { .port_names[0] = "lan2", .port_names[1] = "lan1", .port_names[2] = "wan", @@ -103,6 +103,11 @@ static struct dsa_platform_data rd88f5181l_fxo_switch_data = { .port_names[7] = "lan3", }; +static struct dsa_platform_data rd88f5181l_fxo_switch_plat_data = { + .nr_chips = 1, + .chip = &rd88f5181l_fxo_switch_chip_data, +}; + static void __init rd88f5181l_fxo_init(void) { /* @@ -117,7 +122,7 @@ static void __init rd88f5181l_fxo_init(void) */ orion5x_ehci0_init(); orion5x_eth_init(&rd88f5181l_fxo_eth_data); - orion5x_eth_switch_init(&rd88f5181l_fxo_switch_data, NO_IRQ); + orion5x_eth_switch_init(&rd88f5181l_fxo_switch_plat_data, NO_IRQ); orion5x_uart0_init(); orion5x_setup_dev_boot_win(RD88F5181L_FXO_NOR_BOOT_BASE, diff --git a/arch/arm/mach-orion5x/rd88f5181l-ge-setup.c b/arch/arm/mach-orion5x/rd88f5181l-ge-setup.c index 8ad3934..ee1399f 100644 --- a/arch/arm/mach-orion5x/rd88f5181l-ge-setup.c +++ b/arch/arm/mach-orion5x/rd88f5181l-ge-setup.c @@ -95,7 +95,7 @@ static struct mv643xx_eth_platform_data rd88f5181l_ge_eth_data = { .duplex = DUPLEX_FULL, }; -static struct dsa_platform_data rd88f5181l_ge_switch_data = { +static struct dsa_chip_data rd88f5181l_ge_switch_chip_data = { .port_names[0] = "lan2", .port_names[1] = "lan1", .port_names[2] = "wan", @@ -104,6 +104,11 @@ static struct dsa_platform_data rd88f5181l_ge_switch_data = { .port_names[7] = "lan3", }; +static struct dsa_platform_data rd88f5181l_ge_switch_plat_data = { + .nr_chips = 1, + .chip = &rd88f5181l_ge_switch_chip_data, +}; + static struct i2c_board_info __initdata rd88f5181l_ge_i2c_rtc = { I2C_BOARD_INFO("ds1338", 0x68), }; @@ -122,7 +127,8 @@ static void __init rd88f5181l_ge_init(void) */ orion5x_ehci0_init(); orion5x_eth_init(&rd88f5181l_ge_eth_data); - orion5x_eth_switch_init(&rd88f5181l_ge_switch_data, gpio_to_irq(8)); + orion5x_eth_switch_init(&rd88f5181l_ge_switch_plat_data, + gpio_to_irq(8)); orion5x_i2c_init(); orion5x_uart0_init(); diff --git a/arch/arm/mach-orion5x/rd88f6183ap-ge-setup.c b/arch/arm/mach-orion5x/rd88f6183ap-ge-setup.c index 262e25e..7737cf9 100644 --- a/arch/arm/mach-orion5x/rd88f6183ap-ge-setup.c +++ b/arch/arm/mach-orion5x/rd88f6183ap-ge-setup.c @@ -35,7 +35,7 @@ static struct mv643xx_eth_platform_data rd88f6183ap_ge_eth_data = { .duplex = DUPLEX_FULL, }; -static struct dsa_platform_data rd88f6183ap_ge_switch_data = { +static struct dsa_chip_data rd88f6183ap_ge_switch_chip_data = { .port_names[0] = "lan1", .port_names[1] = "lan2", .port_names[2] = "lan3", @@ -44,6 +44,11 @@ static struct dsa_platform_data rd88f6183ap_ge_switch_data = { .port_names[5] = "cpu", }; +static struct dsa_platform_data rd88f6183ap_ge_switch_plat_data = { + .nr_chips = 1, + .chip = &rd88f6183ap_ge_switch_chip_data, +}; + static struct mtd_partition rd88f6183ap_ge_partitions[] = { { .name = "kernel", @@ -89,7 +94,8 @@ static void __init rd88f6183ap_ge_init(void) */ orion5x_ehci0_init(); orion5x_eth_init(&rd88f6183ap_ge_eth_data); - orion5x_eth_switch_init(&rd88f6183ap_ge_switch_data, gpio_to_irq(3)); + orion5x_eth_switch_init(&rd88f6183ap_ge_switch_plat_data, + gpio_to_irq(3)); spi_register_board_info(rd88f6183ap_ge_spi_slave_info, ARRAY_SIZE(rd88f6183ap_ge_spi_slave_info)); orion5x_spi_init(); diff --git a/arch/arm/mach-orion5x/wrt350n-v2-setup.c b/arch/arm/mach-orion5x/wrt350n-v2-setup.c index cc8f892..1b4ad9d 100644 --- a/arch/arm/mach-orion5x/wrt350n-v2-setup.c +++ b/arch/arm/mach-orion5x/wrt350n-v2-setup.c @@ -106,7 +106,7 @@ static struct mv643xx_eth_platform_data wrt350n_v2_eth_data = { .duplex = DUPLEX_FULL, }; -static struct dsa_platform_data wrt350n_v2_switch_data = { +static struct dsa_chip_data wrt350n_v2_switch_chip_data = { .port_names[0] = "lan2", .port_names[1] = "lan1", .port_names[2] = "wan", @@ -115,6 +115,11 @@ static struct dsa_platform_data wrt350n_v2_switch_data = { .port_names[7] = "lan4", }; +static struct dsa_platform_data wrt350n_v2_switch_plat_data = { + .nr_chips = 1, + .chip = &wrt350n_v2_switch_chip_data, +}; + static void __init wrt350n_v2_init(void) { /* @@ -129,7 +134,7 @@ static void __init wrt350n_v2_init(void) */ orion5x_ehci0_init(); orion5x_eth_init(&wrt350n_v2_eth_data); - orion5x_eth_switch_init(&wrt350n_v2_switch_data, NO_IRQ); + orion5x_eth_switch_init(&wrt350n_v2_switch_plat_data, NO_IRQ); orion5x_uart0_init(); orion5x_setup_dev_boot_win(WRT350N_V2_NOR_BOOT_BASE, diff --git a/include/net/dsa.h b/include/net/dsa.h index 52e97bf..839f768 100644 --- a/include/net/dsa.h +++ b/include/net/dsa.h @@ -1,6 +1,6 @@ /* * include/net/dsa.h - Driver for Distributed Switch Architecture switch chips - * Copyright (c) 2008 Marvell Semiconductor + * Copyright (c) 2008-2009 Marvell Semiconductor * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -11,23 +11,47 @@ #ifndef __LINUX_NET_DSA_H #define __LINUX_NET_DSA_H -#define DSA_MAX_PORTS 12 +#define DSA_MAX_SWITCHES 4 +#define DSA_MAX_PORTS 12 + +struct dsa_chip_data { + /* + * How to access the switch configuration registers. + */ + struct device *mii_bus; + int sw_addr; + + /* + * The names of the switch's ports. Use "cpu" to + * designate the switch port that the cpu is connected to, + * "dsa" to indicate that this port is a DSA link to + * another switch, NULL to indicate the port is unused, + * or any other string to indicate this is a physical port. + */ + char *port_names[DSA_MAX_PORTS]; + + /* + * An array (with nr_chips elements) of which element [a] + * indicates which port on this switch should be used to + * send packets to that are destined for switch a. Can be + * NULL if there is only one switch chip. + */ + s8 *rtable; +}; struct dsa_platform_data { /* * Reference to a Linux network interface that connects - * to the switch chip. + * to the root switch chip of the tree. */ struct device *netdev; /* - * How to access the switch configuration registers, and - * the names of the switch ports (use "cpu" to designate - * the switch port that the cpu is connected to). + * Info structs describing each of the switch chips + * connected via this network interface. */ - struct device *mii_bus; - int sw_addr; - char *port_names[DSA_MAX_PORTS]; + int nr_chips; + struct dsa_chip_data *chip; }; extern bool dsa_uses_dsa_tags(void *dsa_ptr); diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c index 33e9946..71489f6 100644 --- a/net/dsa/dsa.c +++ b/net/dsa/dsa.c @@ -1,6 +1,6 @@ /* * net/dsa/dsa.c - Hardware switch handling - * Copyright (c) 2008 Marvell Semiconductor + * Copyright (c) 2008-2009 Marvell Semiconductor * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -67,12 +67,13 @@ dsa_switch_probe(struct mii_bus *bus, int sw_addr, char **_name) /* basic switch operations **************************************************/ static struct dsa_switch * -dsa_switch_setup(struct device *parent, struct dsa_platform_data *pd, - struct mii_bus *bus, struct net_device *dev) +dsa_switch_setup(struct dsa_switch_tree *dst, int index, + struct device *parent, struct mii_bus *bus) { + struct dsa_chip_data *pd = dst->pd->chip + index; + struct dsa_switch_driver *drv; struct dsa_switch *ds; int ret; - struct dsa_switch_driver *drv; char *name; int i; @@ -81,11 +82,12 @@ dsa_switch_setup(struct device *parent, struct dsa_platform_data *pd, */ drv = dsa_switch_probe(bus, pd->sw_addr, &name); if (drv == NULL) { - printk(KERN_ERR "%s: could not detect attached switch\n", - dev->name); + printk(KERN_ERR "%s[%d]: could not detect attached switch\n", + dst->master_netdev->name, index); return ERR_PTR(-EINVAL); } - printk(KERN_INFO "%s: detected a %s switch\n", dev->name, name); + printk(KERN_INFO "%s[%d]: detected a %s switch\n", + dst->master_netdev->name, index, name); /* @@ -95,18 +97,16 @@ dsa_switch_setup(struct device *parent, struct dsa_platform_data *pd, if (ds == NULL) return ERR_PTR(-ENOMEM); - ds->pd = pd; - ds->master_netdev = dev; - ds->master_mii_bus = bus; - + ds->dst = dst; + ds->index = index; + ds->pd = dst->pd->chip + index; ds->drv = drv; - ds->tag_protocol = drv->tag_protocol; + ds->master_mii_bus = bus; /* * Validate supplied switch configuration. */ - ds->cpu_port = -1; for (i = 0; i < DSA_MAX_PORTS; i++) { char *name; @@ -115,32 +115,28 @@ dsa_switch_setup(struct device *parent, struct dsa_platform_data *pd, continue; if (!strcmp(name, "cpu")) { - if (ds->cpu_port != -1) { + if (dst->cpu_switch != -1) { printk(KERN_ERR "multiple cpu ports?!\n"); ret = -EINVAL; goto out; } - ds->cpu_port = i; + dst->cpu_switch = index; + dst->cpu_port = i; + } else if (!strcmp(name, "dsa")) { + ds->dsa_port_mask |= 1 << i; } else { - ds->valid_port_mask |= 1 << i; + ds->phys_port_mask |= 1 << i; } } - if (ds->cpu_port == -1) { - printk(KERN_ERR "no cpu port?!\n"); - ret = -EINVAL; - goto out; - } - /* - * If we use a tagging format that doesn't have an ethertype - * field, make sure that all packets from this point on get - * sent to the tag format's receive function. (Which will - * discard received packets until we set ds->ports[] below.) + * If the CPU connects to this switch, set the switch tree + * tagging protocol to the preferred tagging format of this + * switch. */ - wmb(); - dev->dsa_ptr = (void *)ds; + if (ds->dst->cpu_switch == index) + ds->dst->tag_protocol = drv->tag_protocol; /* @@ -150,7 +146,7 @@ dsa_switch_setup(struct device *parent, struct dsa_platform_data *pd, if (ret < 0) goto out; - ret = drv->set_addr(ds, dev->dev_addr); + ret = drv->set_addr(ds, dst->master_netdev->dev_addr); if (ret < 0) goto out; @@ -169,18 +165,18 @@ dsa_switch_setup(struct device *parent, struct dsa_platform_data *pd, /* * Create network devices for physical switch ports. */ - wmb(); for (i = 0; i < DSA_MAX_PORTS; i++) { struct net_device *slave_dev; - if (!(ds->valid_port_mask & (1 << i))) + if (!(ds->phys_port_mask & (1 << i))) continue; slave_dev = dsa_slave_create(ds, parent, i, pd->port_names[i]); if (slave_dev == NULL) { - printk(KERN_ERR "%s: can't create dsa slave " - "device for port %d(%s)\n", - dev->name, i, pd->port_names[i]); + printk(KERN_ERR "%s[%d]: can't create dsa " + "slave device for port %d(%s)\n", + dst->master_netdev->name, + index, i, pd->port_names[i]); continue; } @@ -192,7 +188,6 @@ dsa_switch_setup(struct device *parent, struct dsa_platform_data *pd, out_free: mdiobus_free(ds->slave_mii_bus); out: - dev->dsa_ptr = NULL; kfree(ds); return ERR_PTR(ret); } @@ -212,35 +207,42 @@ static void dsa_switch_destroy(struct dsa_switch *ds) */ bool dsa_uses_dsa_tags(void *dsa_ptr) { - struct dsa_switch *ds = dsa_ptr; + struct dsa_switch_tree *dst = dsa_ptr; - return !!(ds->tag_protocol == htons(ETH_P_DSA)); + return !!(dst->tag_protocol == htons(ETH_P_DSA)); } bool dsa_uses_trailer_tags(void *dsa_ptr) { - struct dsa_switch *ds = dsa_ptr; + struct dsa_switch_tree *dst = dsa_ptr; - return !!(ds->tag_protocol == htons(ETH_P_TRAILER)); + return !!(dst->tag_protocol == htons(ETH_P_TRAILER)); } /* link polling *************************************************************/ static void dsa_link_poll_work(struct work_struct *ugly) { - struct dsa_switch *ds; + struct dsa_switch_tree *dst; + int i; + + dst = container_of(ugly, struct dsa_switch_tree, link_poll_work); - ds = container_of(ugly, struct dsa_switch, link_poll_work); + for (i = 0; i < dst->pd->nr_chips; i++) { + struct dsa_switch *ds = dst->ds[i]; - ds->drv->poll_link(ds); - mod_timer(&ds->link_poll_timer, round_jiffies(jiffies + HZ)); + if (ds != NULL && ds->drv->poll_link != NULL) + ds->drv->poll_link(ds); + } + + mod_timer(&dst->link_poll_timer, round_jiffies(jiffies + HZ)); } -static void dsa_link_poll_timer(unsigned long _ds) +static void dsa_link_poll_timer(unsigned long _dst) { - struct dsa_switch *ds = (void *)_ds; + struct dsa_switch_tree *dst = (void *)_dst; - schedule_work(&ds->link_poll_work); + schedule_work(&dst->link_poll_work); } @@ -303,18 +305,14 @@ static int dsa_probe(struct platform_device *pdev) static int dsa_version_printed; struct dsa_platform_data *pd = pdev->dev.platform_data; struct net_device *dev; - struct mii_bus *bus; - struct dsa_switch *ds; + struct dsa_switch_tree *dst; + int i; if (!dsa_version_printed++) printk(KERN_NOTICE "Distributed Switch Architecture " "driver version %s\n", dsa_driver_version); - if (pd == NULL || pd->mii_bus == NULL || pd->netdev == NULL) - return -EINVAL; - - bus = dev_to_mii_bus(pd->mii_bus); - if (bus == NULL) + if (pd == NULL || pd->netdev == NULL) return -EINVAL; dev = dev_to_net_device(pd->netdev); @@ -326,36 +324,79 @@ static int dsa_probe(struct platform_device *pdev) return -EEXIST; } - ds = dsa_switch_setup(&pdev->dev, pd, bus, dev); - if (IS_ERR(ds)) { + dst = kzalloc(sizeof(*dst), GFP_KERNEL); + if (dst == NULL) { dev_put(dev); - return PTR_ERR(ds); + return -ENOMEM; } - if (ds->drv->poll_link != NULL) { - INIT_WORK(&ds->link_poll_work, dsa_link_poll_work); - init_timer(&ds->link_poll_timer); - ds->link_poll_timer.data = (unsigned long)ds; - ds->link_poll_timer.function = dsa_link_poll_timer; - ds->link_poll_timer.expires = round_jiffies(jiffies + HZ); - add_timer(&ds->link_poll_timer); + platform_set_drvdata(pdev, dst); + + dst->pd = pd; + dst->master_netdev = dev; + dst->cpu_switch = -1; + dst->cpu_port = -1; + + for (i = 0; i < pd->nr_chips; i++) { + struct mii_bus *bus; + struct dsa_switch *ds; + + bus = dev_to_mii_bus(pd->chip[i].mii_bus); + if (bus == NULL) { + printk(KERN_ERR "%s[%d]: no mii bus found for " + "dsa switch\n", dev->name, i); + continue; + } + + ds = dsa_switch_setup(dst, i, &pdev->dev, bus); + if (IS_ERR(ds)) { + printk(KERN_ERR "%s[%d]: couldn't create dsa switch " + "instance (error %ld)\n", dev->name, i, + PTR_ERR(ds)); + continue; + } + + dst->ds[i] = ds; + if (ds->drv->poll_link != NULL) + dst->link_poll_needed = 1; } - platform_set_drvdata(pdev, ds); + /* + * If we use a tagging format that doesn't have an ethertype + * field, make sure that all packets from this point on get + * sent to the tag format's receive function. + */ + wmb(); + dev->dsa_ptr = (void *)dst; + + if (dst->link_poll_needed) { + INIT_WORK(&dst->link_poll_work, dsa_link_poll_work); + init_timer(&dst->link_poll_timer); + dst->link_poll_timer.data = (unsigned long)dst; + dst->link_poll_timer.function = dsa_link_poll_timer; + dst->link_poll_timer.expires = round_jiffies(jiffies + HZ); + add_timer(&dst->link_poll_timer); + } return 0; } static int dsa_remove(struct platform_device *pdev) { - struct dsa_switch *ds = platform_get_drvdata(pdev); + struct dsa_switch_tree *dst = platform_get_drvdata(pdev); + int i; - if (ds->drv->poll_link != NULL) - del_timer_sync(&ds->link_poll_timer); + if (dst->link_poll_needed) + del_timer_sync(&dst->link_poll_timer); flush_scheduled_work(); - dsa_switch_destroy(ds); + for (i = 0; i < dst->pd->nr_chips; i++) { + struct dsa_switch *ds = dst->ds[i]; + + if (ds != NULL) + dsa_switch_destroy(ds); + } return 0; } diff --git a/net/dsa/dsa_priv.h b/net/dsa/dsa_priv.h index 7063378..41055f3 100644 --- a/net/dsa/dsa_priv.h +++ b/net/dsa/dsa_priv.h @@ -1,6 +1,6 @@ /* * net/dsa/dsa_priv.h - Hardware switch handling - * Copyright (c) 2008 Marvell Semiconductor + * Copyright (c) 2008-2009 Marvell Semiconductor * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -19,42 +19,107 @@ struct dsa_switch { /* - * Configuration data for the platform device that owns - * this dsa switch instance. + * Parent switch tree, and switch index. */ - struct dsa_platform_data *pd; + struct dsa_switch_tree *dst; + int index; /* - * References to network device and mii bus to use. + * Configuration data for this switch. */ - struct net_device *master_netdev; - struct mii_bus *master_mii_bus; + struct dsa_chip_data *pd; /* - * The used switch driver and frame tagging type. + * The used switch driver. */ struct dsa_switch_driver *drv; - __be16 tag_protocol; + + /* + * Reference to mii bus to use. + */ + struct mii_bus *master_mii_bus; /* * Slave mii_bus and devices for the individual ports. */ - int cpu_port; - u32 valid_port_mask; - struct mii_bus *slave_mii_bus; - struct net_device *ports[DSA_MAX_PORTS]; + u32 dsa_port_mask; + u32 phys_port_mask; + struct mii_bus *slave_mii_bus; + struct net_device *ports[DSA_MAX_PORTS]; +}; + +struct dsa_switch_tree { + /* + * Configuration data for the platform device that owns + * this dsa switch tree instance. + */ + struct dsa_platform_data *pd; + + /* + * Reference to network device to use, and which tagging + * protocol to use. + */ + struct net_device *master_netdev; + __be16 tag_protocol; + + /* + * The switch and port to which the CPU is attached. + */ + s8 cpu_switch; + s8 cpu_port; /* * Link state polling. */ - struct work_struct link_poll_work; - struct timer_list link_poll_timer; + int link_poll_needed; + struct work_struct link_poll_work; + struct timer_list link_poll_timer; + + /* + * Data for the individual switch chips. + */ + struct dsa_switch *ds[DSA_MAX_SWITCHES]; }; +static inline bool dsa_is_cpu_port(struct dsa_switch *ds, int p) +{ + return !!(ds->index == ds->dst->cpu_switch && p == ds->dst->cpu_port); +} + +static inline u8 dsa_upstream_port(struct dsa_switch *ds) +{ + struct dsa_switch_tree *dst = ds->dst; + + /* + * If this is the root switch (i.e. the switch that connects + * to the CPU), return the cpu port number on this switch. + * Else return the (DSA) port number that connects to the + * switch that is one hop closer to the cpu. + */ + if (dst->cpu_switch == ds->index) + return dst->cpu_port; + else + return ds->pd->rtable[dst->cpu_switch]; +} + struct dsa_slave_priv { + /* + * The linux network interface corresponding to this + * switch port. + */ struct net_device *dev; + + /* + * Which switch this port is a part of, and the port index + * for this port. + */ struct dsa_switch *parent; - int port; + u8 port; + + /* + * The phylib phy_device pointer for the PHY connected + * to this port. + */ struct phy_device *phy; }; diff --git a/net/dsa/mv88e6060.c b/net/dsa/mv88e6060.c index 85081ae..83277f4 100644 --- a/net/dsa/mv88e6060.c +++ b/net/dsa/mv88e6060.c @@ -1,6 +1,6 @@ /* * net/dsa/mv88e6060.c - Driver for Marvell 88e6060 switch chips - * Copyright (c) 2008 Marvell Semiconductor + * Copyright (c) 2008-2009 Marvell Semiconductor * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -81,7 +81,7 @@ static int mv88e6060_switch_reset(struct dsa_switch *ds) /* * Reset the switch. */ - REG_WRITE(REG_GLOBAL, 0x0A, 0xa130); + REG_WRITE(REG_GLOBAL, 0x0a, 0xa130); /* * Wait up to one second for reset to complete. @@ -128,7 +128,7 @@ static int mv88e6060_setup_port(struct dsa_switch *ds, int p) * state to Forwarding. Additionally, if this is the CPU * port, enable Ingress and Egress Trailer tagging mode. */ - REG_WRITE(addr, 0x04, (p == ds->cpu_port) ? 0x4103 : 0x0003); + REG_WRITE(addr, 0x04, dsa_is_cpu_port(ds, p) ? 0x4103 : 0x0003); /* * Port based VLAN map: give each port its own address @@ -138,9 +138,9 @@ static int mv88e6060_setup_port(struct dsa_switch *ds, int p) */ REG_WRITE(addr, 0x06, ((p & 0xf) << 12) | - ((p == ds->cpu_port) ? - ds->valid_port_mask : - (1 << ds->cpu_port))); + (dsa_is_cpu_port(ds, p) ? + ds->phys_port_mask : + (1 << ds->dst->cpu_port))); /* * Port Association Vector: when learning source addresses diff --git a/net/dsa/mv88e6123_61_65.c b/net/dsa/mv88e6123_61_65.c index 1003187..52faaa2 100644 --- a/net/dsa/mv88e6123_61_65.c +++ b/net/dsa/mv88e6123_61_65.c @@ -1,6 +1,6 @@ /* * net/dsa/mv88e6123_61_65.c - Marvell 88e6123/6161/6165 switch chip support - * Copyright (c) 2008 Marvell Semiconductor + * Copyright (c) 2008-2009 Marvell Semiconductor * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -98,17 +98,17 @@ static int mv88e6123_61_65_setup_global(struct dsa_switch *ds) return ret; /* - * Configure the cpu port, and configure the cpu port as the - * port to which ingress and egress monitor frames are to be - * sent. + * Configure the upstream port, and configure the upstream + * port as the port to which ingress and egress monitor frames + * are to be sent. */ - REG_WRITE(REG_GLOBAL, 0x1a, (ds->cpu_port * 0x1110)); + REG_WRITE(REG_GLOBAL, 0x1a, (dsa_upstream_port(ds) * 0x1110)); /* * Disable remote management for now, and set the switch's - * DSA device number to zero. + * DSA device number. */ - REG_WRITE(REG_GLOBAL, 0x1c, 0x0000); + REG_WRITE(REG_GLOBAL, 0x1c, ds->index & 0x1f); /* * Send all frames with destination addresses matching @@ -133,10 +133,17 @@ static int mv88e6123_61_65_setup_global(struct dsa_switch *ds) REG_WRITE(REG_GLOBAL2, 0x05, 0x00ff); /* - * Map all DSA device IDs to the CPU port. + * Program the DSA routing table. */ - for (i = 0; i < 32; i++) - REG_WRITE(REG_GLOBAL2, 0x06, 0x8000 | (i << 8) | ds->cpu_port); + for (i = 0; i < 32; i++) { + int nexthop; + + nexthop = 0x1f; + if (i != ds->index && i < ds->dst->pd->nr_chips) + nexthop = ds->pd->rtable[i] & 0x1f; + + REG_WRITE(REG_GLOBAL2, 0x06, 0x8000 | (i << 8) | nexthop); + } /* * Clear all trunk masks. @@ -176,12 +183,18 @@ static int mv88e6123_61_65_setup_global(struct dsa_switch *ds) static int mv88e6123_61_65_setup_port(struct dsa_switch *ds, int p) { int addr = REG_PORT(p); + u16 val; /* * MAC Forcing register: don't force link, speed, duplex - * or flow control state to any particular values. + * or flow control state to any particular values on physical + * ports, but force the CPU port and all DSA ports to 1000 Mb/s + * full duplex. */ - REG_WRITE(addr, 0x01, 0x0003); + if (dsa_is_cpu_port(ds, p) || ds->dsa_port_mask & (1 << p)) + REG_WRITE(addr, 0x01, 0x003e); + else + REG_WRITE(addr, 0x01, 0x0003); /* * Do not limit the period of time that this port can be @@ -192,37 +205,50 @@ static int mv88e6123_61_65_setup_port(struct dsa_switch *ds, int p) /* * Port Control: disable Drop-on-Unlock, disable Drop-on-Lock, - * configure the requested (DSA/EDSA) tagging mode if this is - * the CPU port, disable Header mode, enable IGMP/MLD snooping, - * disable VLAN tunneling, determine priority by looking at - * 802.1p and IP priority fields (IP prio has precedence), and - * set STP state to Forwarding. Finally, if this is the CPU - * port, additionally enable forwarding of unknown unicast and - * multicast addresses. - */ - REG_WRITE(addr, 0x04, - (p == ds->cpu_port) ? - (ds->tag_protocol == htons(ETH_P_DSA)) ? - 0x053f : 0x373f : - 0x0433); + * disable Header mode, enable IGMP/MLD snooping, disable VLAN + * tunneling, determine priority by looking at 802.1p and IP + * priority fields (IP prio has precedence), and set STP state + * to Forwarding. + * + * If this is the CPU link, use DSA or EDSA tagging depending + * on which tagging mode was configured. + * + * If this is a link to another switch, use DSA tagging mode. + * + * If this is the upstream port for this switch, enable + * forwarding of unknown unicasts and multicasts. + */ + val = 0x0433; + if (dsa_is_cpu_port(ds, p)) { + if (ds->dst->tag_protocol == htons(ETH_P_EDSA)) + val |= 0x3300; + else + val |= 0x0100; + } + if (ds->dsa_port_mask & (1 << p)) + val |= 0x0100; + if (p == dsa_upstream_port(ds)) + val |= 0x000c; + REG_WRITE(addr, 0x04, val); /* * Port Control 1: disable trunking. Also, if this is the * CPU port, enable learn messages to be sent to this port. */ - REG_WRITE(addr, 0x05, (p == ds->cpu_port) ? 0x8000 : 0x0000); + REG_WRITE(addr, 0x05, dsa_is_cpu_port(ds, p) ? 0x8000 : 0x0000); /* * Port based VLAN map: give each port its own address * database, allow the CPU port to talk to each of the 'real' * ports, and allow each of the 'real' ports to only talk to - * the CPU port. - */ - REG_WRITE(addr, 0x06, - ((p & 0xf) << 12) | - ((p == ds->cpu_port) ? - ds->valid_port_mask : - (1 << ds->cpu_port))); + * the upstream port. + */ + val = (p & 0xf) << 12; + if (dsa_is_cpu_port(ds, p)) + val |= ds->phys_port_mask; + else + val |= 1 << dsa_upstream_port(ds); + REG_WRITE(addr, 0x06, val); /* * Default VLAN ID and priority: don't set a default VLAN diff --git a/net/dsa/mv88e6131.c b/net/dsa/mv88e6131.c index 0029957..bb2b41b 100644 --- a/net/dsa/mv88e6131.c +++ b/net/dsa/mv88e6131.c @@ -102,17 +102,17 @@ static int mv88e6131_setup_global(struct dsa_switch *ds) REG_WRITE(REG_GLOBAL, 0x19, 0x8100); /* - * Disable ARP mirroring, and configure the cpu port as the - * port to which ingress and egress monitor frames are to be - * sent. + * Disable ARP mirroring, and configure the upstream port as + * the port to which ingress and egress monitor frames are to + * be sent. */ - REG_WRITE(REG_GLOBAL, 0x1a, (ds->cpu_port * 0x1100) | 0x00f0); + REG_WRITE(REG_GLOBAL, 0x1a, (dsa_upstream_port(ds) * 0x1100) | 0x00f0); /* * Disable cascade port functionality, and set the switch's - * DSA device number to zero. + * DSA device number. */ - REG_WRITE(REG_GLOBAL, 0x1c, 0xe000); + REG_WRITE(REG_GLOBAL, 0x1c, 0xe000 | (ds->index & 0x1f)); /* * Send all frames with destination addresses matching @@ -129,10 +129,17 @@ static int mv88e6131_setup_global(struct dsa_switch *ds) REG_WRITE(REG_GLOBAL2, 0x05, 0x00ff); /* - * Map all DSA device IDs to the CPU port. + * Program the DSA routing table. */ - for (i = 0; i < 32; i++) - REG_WRITE(REG_GLOBAL2, 0x06, 0x8000 | (i << 8) | ds->cpu_port); + for (i = 0; i < 32; i++) { + int nexthop; + + nexthop = 0x1f; + if (i != ds->index && i < ds->dst->pd->nr_chips) + nexthop = ds->pd->rtable[i] & 0x1f; + + REG_WRITE(REG_GLOBAL2, 0x06, 0x8000 | (i << 8) | nexthop); + } /* * Clear all trunk masks. @@ -158,13 +165,15 @@ static int mv88e6131_setup_global(struct dsa_switch *ds) static int mv88e6131_setup_port(struct dsa_switch *ds, int p) { int addr = REG_PORT(p); + u16 val; /* * MAC Forcing register: don't force link, speed, duplex * or flow control state to any particular values on physical - * ports, but force the CPU port to 1000 Mb/s full duplex. + * ports, but force the CPU port and all DSA ports to 1000 Mb/s + * full duplex. */ - if (p == ds->cpu_port) + if (dsa_is_cpu_port(ds, p) || ds->dsa_port_mask & (1 << p)) REG_WRITE(addr, 0x01, 0x003e); else REG_WRITE(addr, 0x01, 0x0003); @@ -175,29 +184,40 @@ static int mv88e6131_setup_port(struct dsa_switch *ds, int p) * enable IGMP/MLD snoop, disable DoubleTag, disable VLAN * tunneling, determine priority by looking at 802.1p and * IP priority fields (IP prio has precedence), and set STP - * state to Forwarding. Finally, if this is the CPU port, - * additionally enable DSA tagging and forwarding of unknown - * unicast addresses. + * state to Forwarding. + * + * If this is the upstream port for this switch, enable + * forwarding of unknown unicasts, and enable DSA tagging + * mode. + * + * If this is the link to another switch, use DSA tagging + * mode, but do not enable forwarding of unknown unicasts. */ - REG_WRITE(addr, 0x04, (p == ds->cpu_port) ? 0x0537 : 0x0433); + val = 0x0433; + if (p == dsa_upstream_port(ds)) + val |= 0x0104; + if (ds->dsa_port_mask & (1 << p)) + val |= 0x0100; + REG_WRITE(addr, 0x04, val); /* * Port Control 1: disable trunking. Also, if this is the * CPU port, enable learn messages to be sent to this port. */ - REG_WRITE(addr, 0x05, (p == ds->cpu_port) ? 0x8000 : 0x0000); + REG_WRITE(addr, 0x05, dsa_is_cpu_port(ds, p) ? 0x8000 : 0x0000); /* * Port based VLAN map: give each port its own address * database, allow the CPU port to talk to each of the 'real' * ports, and allow each of the 'real' ports to only talk to - * the CPU port. + * the upstream port. */ - REG_WRITE(addr, 0x06, - ((p & 0xf) << 12) | - ((p == ds->cpu_port) ? - ds->valid_port_mask : - (1 << ds->cpu_port))); + val = (p & 0xf) << 12; + if (dsa_is_cpu_port(ds, p)) + val |= ds->phys_port_mask; + else + val |= 1 << dsa_upstream_port(ds); + REG_WRITE(addr, 0x06, val); /* * Default VLAN ID and priority: don't set a default VLAN @@ -213,13 +233,15 @@ static int mv88e6131_setup_port(struct dsa_switch *ds, int p) * untagged frames on this port, do a destination address * lookup on received packets as usual, don't send a copy * of all transmitted/received frames on this port to the - * CPU, and configure the CPU port number. Also, if this - * is the CPU port, enable forwarding of unknown multicast - * addresses. + * CPU, and configure the upstream port number. + * + * If this is the upstream port for this switch, enable + * forwarding of unknown multicast addresses. */ - REG_WRITE(addr, 0x08, - ((p == ds->cpu_port) ? 0x00c0 : 0x0080) | - ds->cpu_port); + val = 0x0080 | dsa_upstream_port(ds); + if (p == dsa_upstream_port(ds)) + val |= 0x0040; + REG_WRITE(addr, 0x08, val); /* * Rate Control: disable ingress rate limiting. diff --git a/net/dsa/slave.c b/net/dsa/slave.c index 99114e5..ed13118 100644 --- a/net/dsa/slave.c +++ b/net/dsa/slave.c @@ -1,6 +1,6 @@ /* * net/dsa/slave.c - Slave device handling - * Copyright (c) 2008 Marvell Semiconductor + * Copyright (c) 2008-2009 Marvell Semiconductor * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -19,7 +19,7 @@ static int dsa_slave_phy_read(struct mii_bus *bus, int addr, int reg) { struct dsa_switch *ds = bus->priv; - if (ds->valid_port_mask & (1 << addr)) + if (ds->phys_port_mask & (1 << addr)) return ds->drv->phy_read(ds, addr, reg); return 0xffff; @@ -29,7 +29,7 @@ static int dsa_slave_phy_write(struct mii_bus *bus, int addr, int reg, u16 val) { struct dsa_switch *ds = bus->priv; - if (ds->valid_port_mask & (1 << addr)) + if (ds->phys_port_mask & (1 << addr)) return ds->drv->phy_write(ds, addr, reg, val); return 0; @@ -43,7 +43,7 @@ void dsa_slave_mii_bus_init(struct dsa_switch *ds) ds->slave_mii_bus->write = dsa_slave_phy_write; snprintf(ds->slave_mii_bus->id, MII_BUS_ID_SIZE, "%s:%.2x", ds->master_mii_bus->id, ds->pd->sw_addr); - ds->slave_mii_bus->parent = &(ds->master_mii_bus->dev); + ds->slave_mii_bus->parent = &ds->master_mii_bus->dev; } @@ -51,9 +51,8 @@ void dsa_slave_mii_bus_init(struct dsa_switch *ds) static int dsa_slave_init(struct net_device *dev) { struct dsa_slave_priv *p = netdev_priv(dev); - struct net_device *master = p->parent->master_netdev; - dev->iflink = master->ifindex; + dev->iflink = p->parent->dst->master_netdev->ifindex; return 0; } @@ -61,7 +60,7 @@ static int dsa_slave_init(struct net_device *dev) static int dsa_slave_open(struct net_device *dev) { struct dsa_slave_priv *p = netdev_priv(dev); - struct net_device *master = p->parent->master_netdev; + struct net_device *master = p->parent->dst->master_netdev; int err; if (!(master->flags & IFF_UP)) @@ -99,7 +98,7 @@ out: static int dsa_slave_close(struct net_device *dev) { struct dsa_slave_priv *p = netdev_priv(dev); - struct net_device *master = p->parent->master_netdev; + struct net_device *master = p->parent->dst->master_netdev; dev_mc_unsync(master, dev); dev_unicast_unsync(master, dev); @@ -117,7 +116,7 @@ static int dsa_slave_close(struct net_device *dev) static void dsa_slave_change_rx_flags(struct net_device *dev, int change) { struct dsa_slave_priv *p = netdev_priv(dev); - struct net_device *master = p->parent->master_netdev; + struct net_device *master = p->parent->dst->master_netdev; if (change & IFF_ALLMULTI) dev_set_allmulti(master, dev->flags & IFF_ALLMULTI ? 1 : -1); @@ -128,7 +127,7 @@ static void dsa_slave_change_rx_flags(struct net_device *dev, int change) static void dsa_slave_set_rx_mode(struct net_device *dev) { struct dsa_slave_priv *p = netdev_priv(dev); - struct net_device *master = p->parent->master_netdev; + struct net_device *master = p->parent->dst->master_netdev; dev_mc_sync(master, dev); dev_unicast_sync(master, dev); @@ -137,7 +136,7 @@ static void dsa_slave_set_rx_mode(struct net_device *dev) static int dsa_slave_set_mac_address(struct net_device *dev, void *a) { struct dsa_slave_priv *p = netdev_priv(dev); - struct net_device *master = p->parent->master_netdev; + struct net_device *master = p->parent->dst->master_netdev; struct sockaddr *addr = a; int err; @@ -341,7 +340,7 @@ struct net_device * dsa_slave_create(struct dsa_switch *ds, struct device *parent, int port, char *name) { - struct net_device *master = ds->master_netdev; + struct net_device *master = ds->dst->master_netdev; struct net_device *slave_dev; struct dsa_slave_priv *p; int ret; @@ -356,7 +355,7 @@ dsa_slave_create(struct dsa_switch *ds, struct device *parent, memcpy(slave_dev->dev_addr, master->dev_addr, ETH_ALEN); slave_dev->tx_queue_len = 0; - switch (ds->tag_protocol) { + switch (ds->dst->tag_protocol) { #ifdef CONFIG_NET_DSA_TAG_DSA case htons(ETH_P_DSA): slave_dev->netdev_ops = &dsa_netdev_ops; diff --git a/net/dsa/tag_dsa.c b/net/dsa/tag_dsa.c index 0b8a91d..8fa25ba 100644 --- a/net/dsa/tag_dsa.c +++ b/net/dsa/tag_dsa.c @@ -1,6 +1,6 @@ /* * net/dsa/tag_dsa.c - (Non-ethertype) DSA tagging - * Copyright (c) 2008 Marvell Semiconductor + * Copyright (c) 2008-2009 Marvell Semiconductor * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -36,7 +36,7 @@ int dsa_xmit(struct sk_buff *skb, struct net_device *dev) * Construct tagged FROM_CPU DSA tag from 802.1q tag. */ dsa_header = skb->data + 2 * ETH_ALEN; - dsa_header[0] = 0x60; + dsa_header[0] = 0x60 | p->parent->index; dsa_header[1] = p->port << 3; /* @@ -57,7 +57,7 @@ int dsa_xmit(struct sk_buff *skb, struct net_device *dev) * Construct untagged FROM_CPU DSA tag. */ dsa_header = skb->data + 2 * ETH_ALEN; - dsa_header[0] = 0x40; + dsa_header[0] = 0x40 | p->parent->index; dsa_header[1] = p->port << 3; dsa_header[2] = 0x00; dsa_header[3] = 0x00; @@ -65,7 +65,7 @@ int dsa_xmit(struct sk_buff *skb, struct net_device *dev) skb->protocol = htons(ETH_P_DSA); - skb->dev = p->parent->master_netdev; + skb->dev = p->parent->dst->master_netdev; dev_queue_xmit(skb); return NETDEV_TX_OK; @@ -78,11 +78,13 @@ out_free: static int dsa_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt, struct net_device *orig_dev) { - struct dsa_switch *ds = dev->dsa_ptr; + struct dsa_switch_tree *dst = dev->dsa_ptr; + struct dsa_switch *ds; u8 *dsa_header; + int source_device; int source_port; - if (unlikely(ds == NULL)) + if (unlikely(dst == NULL)) goto out_drop; skb = skb_unshare(skb, GFP_ATOMIC); @@ -98,16 +100,24 @@ static int dsa_rcv(struct sk_buff *skb, struct net_device *dev, dsa_header = skb->data - 2; /* - * Check that frame type is either TO_CPU or FORWARD, and - * that the source device is zero. + * Check that frame type is either TO_CPU or FORWARD. */ - if ((dsa_header[0] & 0xdf) != 0x00 && (dsa_header[0] & 0xdf) != 0xc0) + if ((dsa_header[0] & 0xc0) != 0x00 && (dsa_header[0] & 0xc0) != 0xc0) goto out_drop; /* - * Check that the source port is a registered DSA port. + * Determine source device and port. */ + source_device = dsa_header[0] & 0x1f; source_port = (dsa_header[1] >> 3) & 0x1f; + + /* + * Check that the source device exists and that the source + * port is a registered DSA port. + */ + if (source_device >= dst->pd->nr_chips) + goto out_drop; + ds = dst->ds[source_device]; if (source_port >= DSA_MAX_PORTS || ds->ports[source_port] == NULL) goto out_drop; diff --git a/net/dsa/tag_edsa.c b/net/dsa/tag_edsa.c index 16fcb6d..815607b 100644 --- a/net/dsa/tag_edsa.c +++ b/net/dsa/tag_edsa.c @@ -1,6 +1,6 @@ /* * net/dsa/tag_edsa.c - Ethertype DSA tagging - * Copyright (c) 2008 Marvell Semiconductor + * Copyright (c) 2008-2009 Marvell Semiconductor * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -45,7 +45,7 @@ int edsa_xmit(struct sk_buff *skb, struct net_device *dev) edsa_header[1] = ETH_P_EDSA & 0xff; edsa_header[2] = 0x00; edsa_header[3] = 0x00; - edsa_header[4] = 0x60; + edsa_header[4] = 0x60 | p->parent->index; edsa_header[5] = p->port << 3; /* @@ -70,7 +70,7 @@ int edsa_xmit(struct sk_buff *skb, struct net_device *dev) edsa_header[1] = ETH_P_EDSA & 0xff; edsa_header[2] = 0x00; edsa_header[3] = 0x00; - edsa_header[4] = 0x40; + edsa_header[4] = 0x40 | p->parent->index; edsa_header[5] = p->port << 3; edsa_header[6] = 0x00; edsa_header[7] = 0x00; @@ -78,7 +78,7 @@ int edsa_xmit(struct sk_buff *skb, struct net_device *dev) skb->protocol = htons(ETH_P_EDSA); - skb->dev = p->parent->master_netdev; + skb->dev = p->parent->dst->master_netdev; dev_queue_xmit(skb); return NETDEV_TX_OK; @@ -91,11 +91,13 @@ out_free: static int edsa_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt, struct net_device *orig_dev) { - struct dsa_switch *ds = dev->dsa_ptr; + struct dsa_switch_tree *dst = dev->dsa_ptr; + struct dsa_switch *ds; u8 *edsa_header; + int source_device; int source_port; - if (unlikely(ds == NULL)) + if (unlikely(dst == NULL)) goto out_drop; skb = skb_unshare(skb, GFP_ATOMIC); @@ -111,16 +113,24 @@ static int edsa_rcv(struct sk_buff *skb, struct net_device *dev, edsa_header = skb->data + 2; /* - * Check that frame type is either TO_CPU or FORWARD, and - * that the source device is zero. + * Check that frame type is either TO_CPU or FORWARD. */ - if ((edsa_header[0] & 0xdf) != 0x00 && (edsa_header[0] & 0xdf) != 0xc0) + if ((edsa_header[0] & 0xc0) != 0x00 && (edsa_header[0] & 0xc0) != 0xc0) goto out_drop; /* - * Check that the source port is a registered DSA port. + * Determine source device and port. */ + source_device = edsa_header[0] & 0x1f; source_port = (edsa_header[1] >> 3) & 0x1f; + + /* + * Check that the source device exists and that the source + * port is a registered DSA port. + */ + if (source_device >= dst->pd->nr_chips) + goto out_drop; + ds = dst->ds[source_device]; if (source_port >= DSA_MAX_PORTS || ds->ports[source_port] == NULL) goto out_drop; diff --git a/net/dsa/tag_trailer.c b/net/dsa/tag_trailer.c index a6d959d..1c3e30c 100644 --- a/net/dsa/tag_trailer.c +++ b/net/dsa/tag_trailer.c @@ -1,6 +1,6 @@ /* * net/dsa/tag_trailer.c - Trailer tag format handling - * Copyright (c) 2008 Marvell Semiconductor + * Copyright (c) 2008-2009 Marvell Semiconductor * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -59,7 +59,7 @@ int trailer_xmit(struct sk_buff *skb, struct net_device *dev) nskb->protocol = htons(ETH_P_TRAILER); - nskb->dev = p->parent->master_netdev; + nskb->dev = p->parent->dst->master_netdev; dev_queue_xmit(nskb); return NETDEV_TX_OK; @@ -68,12 +68,14 @@ int trailer_xmit(struct sk_buff *skb, struct net_device *dev) static int trailer_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt, struct net_device *orig_dev) { - struct dsa_switch *ds = dev->dsa_ptr; + struct dsa_switch_tree *dst = dev->dsa_ptr; + struct dsa_switch *ds; u8 *trailer; int source_port; - if (unlikely(ds == NULL)) + if (unlikely(dst == NULL)) goto out_drop; + ds = dst->ds[0]; skb = skb_unshare(skb, GFP_ATOMIC); if (skb == NULL) |