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net: dsa: b53: Provide number of ARL buckets

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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 <f.fainelli@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Florian Fainelli 2020-04-30 11:49:09 -07:00 committed by David S. Miller
parent 673e69a67d
commit e3da4038f4
2 changed files with 22 additions and 0 deletions
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21
drivers/net/dsa/b53/b53_common.c
View file

@ -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;
}
}

1
drivers/net/dsa/b53/b53_priv.h
View file

@ -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 */