From e3da4038f4ca1094596a7604c6edac4a6a4f6ee9 Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Thu, 30 Apr 2020 11:49:09 -0700 Subject: [PATCH] net: dsa: b53: Provide number of ARL buckets In preparation for doing proper upper bound checking of FDB/MDB entries being added to the ARL, provide the number of ARL buckets for each switch chip we support. All chips have 1024 buckets, except 7278 which has only 256. Signed-off-by: Florian Fainelli Reviewed-by: Andrew Lunn Signed-off-by: David S. Miller --- drivers/net/dsa/b53/b53_common.c | 21 +++++++++++++++++++++ drivers/net/dsa/b53/b53_priv.h | 1 + 2 files changed, 22 insertions(+) diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c index 41b75f4..aa0836a 100644 --- a/drivers/net/dsa/b53/b53_common.c +++ b/drivers/net/dsa/b53/b53_common.c @@ -2186,6 +2186,7 @@ struct b53_chip_data { u8 cpu_port; u8 vta_regs[3]; u8 arl_bins; + u16 arl_buckets; u8 duplex_reg; u8 jumbo_pm_reg; u8 jumbo_size_reg; @@ -2205,6 +2206,7 @@ static const struct b53_chip_data b53_switch_chips[] = { .vlans = 16, .enabled_ports = 0x1f, .arl_bins = 2, + .arl_buckets = 1024, .cpu_port = B53_CPU_PORT_25, .duplex_reg = B53_DUPLEX_STAT_FE, }, @@ -2214,6 +2216,7 @@ static const struct b53_chip_data b53_switch_chips[] = { .vlans = 256, .enabled_ports = 0x1f, .arl_bins = 2, + .arl_buckets = 1024, .cpu_port = B53_CPU_PORT_25, .duplex_reg = B53_DUPLEX_STAT_FE, }, @@ -2223,6 +2226,7 @@ static const struct b53_chip_data b53_switch_chips[] = { .vlans = 4096, .enabled_ports = 0x1f, .arl_bins = 4, + .arl_buckets = 1024, .cpu_port = B53_CPU_PORT, .vta_regs = B53_VTA_REGS, .duplex_reg = B53_DUPLEX_STAT_GE, @@ -2235,6 +2239,7 @@ static const struct b53_chip_data b53_switch_chips[] = { .vlans = 4096, .enabled_ports = 0x1f, .arl_bins = 4, + .arl_buckets = 1024, .cpu_port = B53_CPU_PORT, .vta_regs = B53_VTA_REGS, .duplex_reg = B53_DUPLEX_STAT_GE, @@ -2247,6 +2252,7 @@ static const struct b53_chip_data b53_switch_chips[] = { .vlans = 4096, .enabled_ports = 0x1f, .arl_bins = 4, + .arl_buckets = 1024, .cpu_port = B53_CPU_PORT, .vta_regs = B53_VTA_REGS_9798, .duplex_reg = B53_DUPLEX_STAT_GE, @@ -2259,6 +2265,7 @@ static const struct b53_chip_data b53_switch_chips[] = { .vlans = 4096, .enabled_ports = 0x7f, .arl_bins = 4, + .arl_buckets = 1024, .cpu_port = B53_CPU_PORT, .vta_regs = B53_VTA_REGS_9798, .duplex_reg = B53_DUPLEX_STAT_GE, @@ -2271,6 +2278,7 @@ static const struct b53_chip_data b53_switch_chips[] = { .vlans = 4096, .enabled_ports = 0x1f, .arl_bins = 4, + .arl_buckets = 1024, .vta_regs = B53_VTA_REGS, .cpu_port = B53_CPU_PORT, .duplex_reg = B53_DUPLEX_STAT_GE, @@ -2283,6 +2291,7 @@ static const struct b53_chip_data b53_switch_chips[] = { .vlans = 4096, .enabled_ports = 0xff, .arl_bins = 4, + .arl_buckets = 1024, .cpu_port = B53_CPU_PORT, .vta_regs = B53_VTA_REGS, .duplex_reg = B53_DUPLEX_STAT_GE, @@ -2295,6 +2304,7 @@ static const struct b53_chip_data b53_switch_chips[] = { .vlans = 4096, .enabled_ports = 0x1ff, .arl_bins = 4, + .arl_buckets = 1024, .cpu_port = B53_CPU_PORT, .vta_regs = B53_VTA_REGS, .duplex_reg = B53_DUPLEX_STAT_GE, @@ -2307,6 +2317,7 @@ static const struct b53_chip_data b53_switch_chips[] = { .vlans = 4096, .enabled_ports = 0, /* pdata must provide them */ .arl_bins = 4, + .arl_buckets = 1024, .cpu_port = B53_CPU_PORT, .vta_regs = B53_VTA_REGS_63XX, .duplex_reg = B53_DUPLEX_STAT_63XX, @@ -2319,6 +2330,7 @@ static const struct b53_chip_data b53_switch_chips[] = { .vlans = 4096, .enabled_ports = 0x1f, .arl_bins = 4, + .arl_buckets = 1024, .cpu_port = B53_CPU_PORT_25, /* TODO: auto detect */ .vta_regs = B53_VTA_REGS, .duplex_reg = B53_DUPLEX_STAT_GE, @@ -2331,6 +2343,7 @@ static const struct b53_chip_data b53_switch_chips[] = { .vlans = 4096, .enabled_ports = 0x1bf, .arl_bins = 4, + .arl_buckets = 1024, .cpu_port = B53_CPU_PORT_25, /* TODO: auto detect */ .vta_regs = B53_VTA_REGS, .duplex_reg = B53_DUPLEX_STAT_GE, @@ -2343,6 +2356,7 @@ static const struct b53_chip_data b53_switch_chips[] = { .vlans = 4096, .enabled_ports = 0x1bf, .arl_bins = 4, + .arl_buckets = 1024, .cpu_port = B53_CPU_PORT_25, /* TODO: auto detect */ .vta_regs = B53_VTA_REGS, .duplex_reg = B53_DUPLEX_STAT_GE, @@ -2355,6 +2369,7 @@ static const struct b53_chip_data b53_switch_chips[] = { .vlans = 4096, .enabled_ports = 0x1f, .arl_bins = 4, + .arl_buckets = 1024, .cpu_port = B53_CPU_PORT_25, /* TODO: auto detect */ .vta_regs = B53_VTA_REGS, .duplex_reg = B53_DUPLEX_STAT_GE, @@ -2367,6 +2382,7 @@ static const struct b53_chip_data b53_switch_chips[] = { .vlans = 4096, .enabled_ports = 0x1f, .arl_bins = 4, + .arl_buckets = 1024, .cpu_port = B53_CPU_PORT_25, /* TODO: auto detect */ .vta_regs = B53_VTA_REGS, .duplex_reg = B53_DUPLEX_STAT_GE, @@ -2379,6 +2395,7 @@ static const struct b53_chip_data b53_switch_chips[] = { .vlans = 4096, .enabled_ports = 0x1ff, .arl_bins = 4, + .arl_buckets = 1024, .cpu_port = B53_CPU_PORT, .vta_regs = B53_VTA_REGS, .duplex_reg = B53_DUPLEX_STAT_GE, @@ -2391,6 +2408,7 @@ static const struct b53_chip_data b53_switch_chips[] = { .vlans = 4096, .enabled_ports = 0x103, .arl_bins = 4, + .arl_buckets = 1024, .cpu_port = B53_CPU_PORT, .vta_regs = B53_VTA_REGS, .duplex_reg = B53_DUPLEX_STAT_GE, @@ -2403,6 +2421,7 @@ static const struct b53_chip_data b53_switch_chips[] = { .vlans = 4096, .enabled_ports = 0x1ff, .arl_bins = 4, + .arl_buckets = 1024, .cpu_port = B53_CPU_PORT, .vta_regs = B53_VTA_REGS, .duplex_reg = B53_DUPLEX_STAT_GE, @@ -2415,6 +2434,7 @@ static const struct b53_chip_data b53_switch_chips[] = { .vlans = 4096, .enabled_ports = 0x1ff, .arl_bins = 4, + .arl_buckets = 256, .cpu_port = B53_CPU_PORT, .vta_regs = B53_VTA_REGS, .duplex_reg = B53_DUPLEX_STAT_GE, @@ -2443,6 +2463,7 @@ static int b53_switch_init(struct b53_device *dev) 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; break; } } diff --git a/drivers/net/dsa/b53/b53_priv.h b/drivers/net/dsa/b53/b53_priv.h index 1c5c443..694e26c 100644 --- a/drivers/net/dsa/b53/b53_priv.h +++ b/drivers/net/dsa/b53/b53_priv.h @@ -118,6 +118,7 @@ struct b53_device { u8 jumbo_size_reg; int reset_gpio; u8 num_arl_bins; + u16 num_arl_buckets; enum dsa_tag_protocol tag_protocol; /* used ports mask */ -- 2.7.4