diff options
Diffstat (limited to 'target/linux/generic/backport-5.4/709-v5.8-0003-net-dsa-b53-Provide-number-of-ARL-buckets.patch')
| -rw-r--r-- | target/linux/generic/backport-5.4/709-v5.8-0003-net-dsa-b53-Provide-number-of-ARL-buckets.patch | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/target/linux/generic/backport-5.4/709-v5.8-0003-net-dsa-b53-Provide-number-of-ARL-buckets.patch b/target/linux/generic/backport-5.4/709-v5.8-0003-net-dsa-b53-Provide-number-of-ARL-buckets.patch new file mode 100644 index 0000000000..3c278d4a54 --- /dev/null +++ b/target/linux/generic/backport-5.4/709-v5.8-0003-net-dsa-b53-Provide-number-of-ARL-buckets.patch @@ -0,0 +1,198 @@ +From e3da4038f4ca1094596a7604c6edac4a6a4f6ee9 Mon Sep 17 00:00:00 2001 +From: Florian Fainelli <f.fainelli@gmail.com> +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 <f.fainelli@gmail.com> +Reviewed-by: Andrew Lunn <andrew@lunn.ch> +Signed-off-by: David S. Miller <davem@davemloft.net> +--- + drivers/net/dsa/b53/b53_common.c | 21 +++++++++++++++++++++ + drivers/net/dsa/b53/b53_priv.h | 1 + + 2 files changed, 22 insertions(+) + +--- a/drivers/net/dsa/b53/b53_common.c ++++ b/drivers/net/dsa/b53/b53_common.c +@@ -2180,6 +2180,7 @@ 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; +@@ -2199,6 +2200,7 @@ static const struct b53_chip_data b53_sw + .vlans = 16, + .enabled_ports = 0x1f, + .arl_bins = 2, ++ .arl_buckets = 1024, + .cpu_port = B53_CPU_PORT_25, + .duplex_reg = B53_DUPLEX_STAT_FE, + }, +@@ -2208,6 +2210,7 @@ static const struct b53_chip_data b53_sw + .vlans = 256, + .enabled_ports = 0x1f, + .arl_bins = 2, ++ .arl_buckets = 1024, + .cpu_port = B53_CPU_PORT_25, + .duplex_reg = B53_DUPLEX_STAT_FE, + }, +@@ -2217,6 +2220,7 @@ static const struct b53_chip_data b53_sw + .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, +@@ -2229,6 +2233,7 @@ static const struct b53_chip_data b53_sw + .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, +@@ -2241,6 +2246,7 @@ static const struct b53_chip_data b53_sw + .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, +@@ -2253,6 +2259,7 @@ static const struct b53_chip_data b53_sw + .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, +@@ -2265,6 +2272,7 @@ static const struct b53_chip_data b53_sw + .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, +@@ -2277,6 +2285,7 @@ static const struct b53_chip_data b53_sw + .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, +@@ -2289,6 +2298,7 @@ static const struct b53_chip_data b53_sw + .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, +@@ -2301,6 +2311,7 @@ static const struct b53_chip_data b53_sw + .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, +@@ -2313,6 +2324,7 @@ static const struct b53_chip_data b53_sw + .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, +@@ -2325,6 +2337,7 @@ static const struct b53_chip_data b53_sw + .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, +@@ -2337,6 +2350,7 @@ static const struct b53_chip_data b53_sw + .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, +@@ -2349,6 +2363,7 @@ static const struct b53_chip_data b53_sw + .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, +@@ -2361,6 +2376,7 @@ static const struct b53_chip_data b53_sw + .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, +@@ -2373,6 +2389,7 @@ static const struct b53_chip_data b53_sw + .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, +@@ -2385,6 +2402,7 @@ static const struct b53_chip_data b53_sw + .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, +@@ -2397,6 +2415,7 @@ static const struct b53_chip_data b53_sw + .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, +@@ -2409,6 +2428,7 @@ static const struct b53_chip_data b53_sw + .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, +@@ -2437,6 +2457,7 @@ static int b53_switch_init(struct b53_de + 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; + } + } +--- 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 */ |