diff options
Diffstat (limited to 'drivers/net/dsa/ocelot/felix_vsc9959.c')
| -rw-r--r-- | drivers/net/dsa/ocelot/felix_vsc9959.c | 719 |
1 files changed, 566 insertions, 153 deletions
diff --git a/drivers/net/dsa/ocelot/felix_vsc9959.c b/drivers/net/dsa/ocelot/felix_vsc9959.c index b4034b78c0ca..f8f19a85744c 100644 --- a/drivers/net/dsa/ocelot/felix_vsc9959.c +++ b/drivers/net/dsa/ocelot/felix_vsc9959.c @@ -22,6 +22,7 @@ #define VSC9959_NUM_PORTS 6 #define VSC9959_TAS_GCL_ENTRY_MAX 63 +#define VSC9959_TAS_MIN_GATE_LEN_NS 33 #define VSC9959_VCAP_POLICER_BASE 63 #define VSC9959_VCAP_POLICER_MAX 383 #define VSC9959_SWITCH_PCI_BAR 4 @@ -274,27 +275,98 @@ static const u32 vsc9959_rew_regmap[] = { static const u32 vsc9959_sys_regmap[] = { REG(SYS_COUNT_RX_OCTETS, 0x000000), + REG(SYS_COUNT_RX_UNICAST, 0x000004), REG(SYS_COUNT_RX_MULTICAST, 0x000008), + REG(SYS_COUNT_RX_BROADCAST, 0x00000c), REG(SYS_COUNT_RX_SHORTS, 0x000010), REG(SYS_COUNT_RX_FRAGMENTS, 0x000014), REG(SYS_COUNT_RX_JABBERS, 0x000018), + REG(SYS_COUNT_RX_CRC_ALIGN_ERRS, 0x00001c), + REG(SYS_COUNT_RX_SYM_ERRS, 0x000020), REG(SYS_COUNT_RX_64, 0x000024), REG(SYS_COUNT_RX_65_127, 0x000028), REG(SYS_COUNT_RX_128_255, 0x00002c), - REG(SYS_COUNT_RX_256_1023, 0x000030), - REG(SYS_COUNT_RX_1024_1526, 0x000034), - REG(SYS_COUNT_RX_1527_MAX, 0x000038), - REG(SYS_COUNT_RX_LONGS, 0x000044), + REG(SYS_COUNT_RX_256_511, 0x000030), + REG(SYS_COUNT_RX_512_1023, 0x000034), + REG(SYS_COUNT_RX_1024_1526, 0x000038), + REG(SYS_COUNT_RX_1527_MAX, 0x00003c), + REG(SYS_COUNT_RX_PAUSE, 0x000040), + REG(SYS_COUNT_RX_CONTROL, 0x000044), + REG(SYS_COUNT_RX_LONGS, 0x000048), + REG(SYS_COUNT_RX_CLASSIFIED_DROPS, 0x00004c), + REG(SYS_COUNT_RX_RED_PRIO_0, 0x000050), + REG(SYS_COUNT_RX_RED_PRIO_1, 0x000054), + REG(SYS_COUNT_RX_RED_PRIO_2, 0x000058), + REG(SYS_COUNT_RX_RED_PRIO_3, 0x00005c), + REG(SYS_COUNT_RX_RED_PRIO_4, 0x000060), + REG(SYS_COUNT_RX_RED_PRIO_5, 0x000064), + REG(SYS_COUNT_RX_RED_PRIO_6, 0x000068), + REG(SYS_COUNT_RX_RED_PRIO_7, 0x00006c), + REG(SYS_COUNT_RX_YELLOW_PRIO_0, 0x000070), + REG(SYS_COUNT_RX_YELLOW_PRIO_1, 0x000074), + REG(SYS_COUNT_RX_YELLOW_PRIO_2, 0x000078), + REG(SYS_COUNT_RX_YELLOW_PRIO_3, 0x00007c), + REG(SYS_COUNT_RX_YELLOW_PRIO_4, 0x000080), + REG(SYS_COUNT_RX_YELLOW_PRIO_5, 0x000084), + REG(SYS_COUNT_RX_YELLOW_PRIO_6, 0x000088), + REG(SYS_COUNT_RX_YELLOW_PRIO_7, 0x00008c), + REG(SYS_COUNT_RX_GREEN_PRIO_0, 0x000090), + REG(SYS_COUNT_RX_GREEN_PRIO_1, 0x000094), + REG(SYS_COUNT_RX_GREEN_PRIO_2, 0x000098), + REG(SYS_COUNT_RX_GREEN_PRIO_3, 0x00009c), + REG(SYS_COUNT_RX_GREEN_PRIO_4, 0x0000a0), + REG(SYS_COUNT_RX_GREEN_PRIO_5, 0x0000a4), + REG(SYS_COUNT_RX_GREEN_PRIO_6, 0x0000a8), + REG(SYS_COUNT_RX_GREEN_PRIO_7, 0x0000ac), REG(SYS_COUNT_TX_OCTETS, 0x000200), + REG(SYS_COUNT_TX_UNICAST, 0x000204), + REG(SYS_COUNT_TX_MULTICAST, 0x000208), + REG(SYS_COUNT_TX_BROADCAST, 0x00020c), REG(SYS_COUNT_TX_COLLISION, 0x000210), REG(SYS_COUNT_TX_DROPS, 0x000214), + REG(SYS_COUNT_TX_PAUSE, 0x000218), REG(SYS_COUNT_TX_64, 0x00021c), REG(SYS_COUNT_TX_65_127, 0x000220), - REG(SYS_COUNT_TX_128_511, 0x000224), - REG(SYS_COUNT_TX_512_1023, 0x000228), - REG(SYS_COUNT_TX_1024_1526, 0x00022c), - REG(SYS_COUNT_TX_1527_MAX, 0x000230), + REG(SYS_COUNT_TX_128_255, 0x000224), + REG(SYS_COUNT_TX_256_511, 0x000228), + REG(SYS_COUNT_TX_512_1023, 0x00022c), + REG(SYS_COUNT_TX_1024_1526, 0x000230), + REG(SYS_COUNT_TX_1527_MAX, 0x000234), + REG(SYS_COUNT_TX_YELLOW_PRIO_0, 0x000238), + REG(SYS_COUNT_TX_YELLOW_PRIO_1, 0x00023c), + REG(SYS_COUNT_TX_YELLOW_PRIO_2, 0x000240), + REG(SYS_COUNT_TX_YELLOW_PRIO_3, 0x000244), + REG(SYS_COUNT_TX_YELLOW_PRIO_4, 0x000248), + REG(SYS_COUNT_TX_YELLOW_PRIO_5, 0x00024c), + REG(SYS_COUNT_TX_YELLOW_PRIO_6, 0x000250), + REG(SYS_COUNT_TX_YELLOW_PRIO_7, 0x000254), + REG(SYS_COUNT_TX_GREEN_PRIO_0, 0x000258), + REG(SYS_COUNT_TX_GREEN_PRIO_1, 0x00025c), + REG(SYS_COUNT_TX_GREEN_PRIO_2, 0x000260), + REG(SYS_COUNT_TX_GREEN_PRIO_3, 0x000264), + REG(SYS_COUNT_TX_GREEN_PRIO_4, 0x000268), + REG(SYS_COUNT_TX_GREEN_PRIO_5, 0x00026c), + REG(SYS_COUNT_TX_GREEN_PRIO_6, 0x000270), + REG(SYS_COUNT_TX_GREEN_PRIO_7, 0x000274), REG(SYS_COUNT_TX_AGING, 0x000278), + REG(SYS_COUNT_DROP_LOCAL, 0x000400), + REG(SYS_COUNT_DROP_TAIL, 0x000404), + REG(SYS_COUNT_DROP_YELLOW_PRIO_0, 0x000408), + REG(SYS_COUNT_DROP_YELLOW_PRIO_1, 0x00040c), + REG(SYS_COUNT_DROP_YELLOW_PRIO_2, 0x000410), + REG(SYS_COUNT_DROP_YELLOW_PRIO_3, 0x000414), + REG(SYS_COUNT_DROP_YELLOW_PRIO_4, 0x000418), + REG(SYS_COUNT_DROP_YELLOW_PRIO_5, 0x00041c), + REG(SYS_COUNT_DROP_YELLOW_PRIO_6, 0x000420), + REG(SYS_COUNT_DROP_YELLOW_PRIO_7, 0x000424), + REG(SYS_COUNT_DROP_GREEN_PRIO_0, 0x000428), + REG(SYS_COUNT_DROP_GREEN_PRIO_1, 0x00042c), + REG(SYS_COUNT_DROP_GREEN_PRIO_2, 0x000430), + REG(SYS_COUNT_DROP_GREEN_PRIO_3, 0x000434), + REG(SYS_COUNT_DROP_GREEN_PRIO_4, 0x000438), + REG(SYS_COUNT_DROP_GREEN_PRIO_5, 0x00043c), + REG(SYS_COUNT_DROP_GREEN_PRIO_6, 0x000440), + REG(SYS_COUNT_DROP_GREEN_PRIO_7, 0x000444), REG(SYS_RESET_CFG, 0x000e00), REG(SYS_SR_ETYPE_CFG, 0x000e04), REG(SYS_VLAN_ETYPE_CFG, 0x000e08), @@ -547,100 +619,379 @@ static const struct reg_field vsc9959_regfields[REGFIELD_MAX] = { [SYS_PAUSE_CFG_PAUSE_ENA] = REG_FIELD_ID(SYS_PAUSE_CFG, 0, 1, 7, 4), }; -static const struct ocelot_stat_layout vsc9959_stats_layout[] = { - { .offset = 0x00, .name = "rx_octets", }, - { .offset = 0x01, .name = "rx_unicast", }, - { .offset = 0x02, .name = "rx_multicast", }, - { .offset = 0x03, .name = "rx_broadcast", }, - { .offset = 0x04, .name = "rx_shorts", }, - { .offset = 0x05, .name = "rx_fragments", }, - { .offset = 0x06, .name = "rx_jabbers", }, - { .offset = 0x07, .name = "rx_crc_align_errs", }, - { .offset = 0x08, .name = "rx_sym_errs", }, - { .offset = 0x09, .name = "rx_frames_below_65_octets", }, - { .offset = 0x0A, .name = "rx_frames_65_to_127_octets", }, - { .offset = 0x0B, .name = "rx_frames_128_to_255_octets", }, - { .offset = 0x0C, .name = "rx_frames_256_to_511_octets", }, - { .offset = 0x0D, .name = "rx_frames_512_to_1023_octets", }, - { .offset = 0x0E, .name = "rx_frames_1024_to_1526_octets", }, - { .offset = 0x0F, .name = "rx_frames_over_1526_octets", }, - { .offset = 0x10, .name = "rx_pause", }, - { .offset = 0x11, .name = "rx_control", }, - { .offset = 0x12, .name = "rx_longs", }, - { .offset = 0x13, .name = "rx_classified_drops", }, - { .offset = 0x14, .name = "rx_red_prio_0", }, - { .offset = 0x15, .name = "rx_red_prio_1", }, - { .offset = 0x16, .name = "rx_red_prio_2", }, - { .offset = 0x17, .name = "rx_red_prio_3", }, - { .offset = 0x18, .name = "rx_red_prio_4", }, - { .offset = 0x19, .name = "rx_red_prio_5", }, - { .offset = 0x1A, .name = "rx_red_prio_6", }, - { .offset = 0x1B, .name = "rx_red_prio_7", }, - { .offset = 0x1C, .name = "rx_yellow_prio_0", }, - { .offset = 0x1D, .name = "rx_yellow_prio_1", }, - { .offset = 0x1E, .name = "rx_yellow_prio_2", }, - { .offset = 0x1F, .name = "rx_yellow_prio_3", }, - { .offset = 0x20, .name = "rx_yellow_prio_4", }, - { .offset = 0x21, .name = "rx_yellow_prio_5", }, - { .offset = 0x22, .name = "rx_yellow_prio_6", }, - { .offset = 0x23, .name = "rx_yellow_prio_7", }, - { .offset = 0x24, .name = "rx_green_prio_0", }, - { .offset = 0x25, .name = "rx_green_prio_1", }, - { .offset = 0x26, .name = "rx_green_prio_2", }, - { .offset = 0x27, .name = "rx_green_prio_3", }, - { .offset = 0x28, .name = "rx_green_prio_4", }, - { .offset = 0x29, .name = "rx_green_prio_5", }, - { .offset = 0x2A, .name = "rx_green_prio_6", }, - { .offset = 0x2B, .name = "rx_green_prio_7", }, - { .offset = 0x80, .name = "tx_octets", }, - { .offset = 0x81, .name = "tx_unicast", }, - { .offset = 0x82, .name = "tx_multicast", }, - { .offset = 0x83, .name = "tx_broadcast", }, - { .offset = 0x84, .name = "tx_collision", }, - { .offset = 0x85, .name = "tx_drops", }, - { .offset = 0x86, .name = "tx_pause", }, - { .offset = 0x87, .name = "tx_frames_below_65_octets", }, - { .offset = 0x88, .name = "tx_frames_65_to_127_octets", }, - { .offset = 0x89, .name = "tx_frames_128_255_octets", }, - { .offset = 0x8B, .name = "tx_frames_256_511_octets", }, - { .offset = 0x8C, .name = "tx_frames_1024_1526_octets", }, - { .offset = 0x8D, .name = "tx_frames_over_1526_octets", }, - { .offset = 0x8E, .name = "tx_yellow_prio_0", }, - { .offset = 0x8F, .name = "tx_yellow_prio_1", }, - { .offset = 0x90, .name = "tx_yellow_prio_2", }, - { .offset = 0x91, .name = "tx_yellow_prio_3", }, - { .offset = 0x92, .name = "tx_yellow_prio_4", }, - { .offset = 0x93, .name = "tx_yellow_prio_5", }, - { .offset = 0x94, .name = "tx_yellow_prio_6", }, - { .offset = 0x95, .name = "tx_yellow_prio_7", }, - { .offset = 0x96, .name = "tx_green_prio_0", }, - { .offset = 0x97, .name = "tx_green_prio_1", }, - { .offset = 0x98, .name = "tx_green_prio_2", }, - { .offset = 0x99, .name = "tx_green_prio_3", }, - { .offset = 0x9A, .name = "tx_green_prio_4", }, - { .offset = 0x9B, .name = "tx_green_prio_5", }, - { .offset = 0x9C, .name = "tx_green_prio_6", }, - { .offset = 0x9D, .name = "tx_green_prio_7", }, - { .offset = 0x9E, .name = "tx_aged", }, - { .offset = 0x100, .name = "drop_local", }, - { .offset = 0x101, .name = "drop_tail", }, - { .offset = 0x102, .name = "drop_yellow_prio_0", }, - { .offset = 0x103, .name = "drop_yellow_prio_1", }, - { .offset = 0x104, .name = "drop_yellow_prio_2", }, - { .offset = 0x105, .name = "drop_yellow_prio_3", }, - { .offset = 0x106, .name = "drop_yellow_prio_4", }, - { .offset = 0x107, .name = "drop_yellow_prio_5", }, - { .offset = 0x108, .name = "drop_yellow_prio_6", }, - { .offset = 0x109, .name = "drop_yellow_prio_7", }, - { .offset = 0x10A, .name = "drop_green_prio_0", }, - { .offset = 0x10B, .name = "drop_green_prio_1", }, - { .offset = 0x10C, .name = "drop_green_prio_2", }, - { .offset = 0x10D, .name = "drop_green_prio_3", }, - { .offset = 0x10E, .name = "drop_green_prio_4", }, - { .offset = 0x10F, .name = "drop_green_prio_5", }, - { .offset = 0x110, .name = "drop_green_prio_6", }, - { .offset = 0x111, .name = "drop_green_prio_7", }, - OCELOT_STAT_END +static const struct ocelot_stat_layout vsc9959_stats_layout[OCELOT_NUM_STATS] = { + [OCELOT_STAT_RX_OCTETS] = { + .name = "rx_octets", + .reg = SYS_COUNT_RX_OCTETS, + }, + [OCELOT_STAT_RX_UNICAST] = { + .name = "rx_unicast", + .reg = SYS_COUNT_RX_UNICAST, + }, + [OCELOT_STAT_RX_MULTICAST] = { + .name = "rx_multicast", + .reg = SYS_COUNT_RX_MULTICAST, + }, + [OCELOT_STAT_RX_BROADCAST] = { + .name = "rx_broadcast", + .reg = SYS_COUNT_RX_BROADCAST, + }, + [OCELOT_STAT_RX_SHORTS] = { + .name = "rx_shorts", + .reg = SYS_COUNT_RX_SHORTS, + }, + [OCELOT_STAT_RX_FRAGMENTS] = { + .name = "rx_fragments", + .reg = SYS_COUNT_RX_FRAGMENTS, + }, + [OCELOT_STAT_RX_JABBERS] = { + .name = "rx_jabbers", + .reg = SYS_COUNT_RX_JABBERS, + }, + [OCELOT_STAT_RX_CRC_ALIGN_ERRS] = { + .name = "rx_crc_align_errs", + .reg = SYS_COUNT_RX_CRC_ALIGN_ERRS, + }, + [OCELOT_STAT_RX_SYM_ERRS] = { + .name = "rx_sym_errs", + .reg = SYS_COUNT_RX_SYM_ERRS, + }, + [OCELOT_STAT_RX_64] = { + .name = "rx_frames_below_65_octets", + .reg = SYS_COUNT_RX_64, + }, + [OCELOT_STAT_RX_65_127] = { + .name = "rx_frames_65_to_127_octets", + .reg = SYS_COUNT_RX_65_127, + }, + [OCELOT_STAT_RX_128_255] = { + .name = "rx_frames_128_to_255_octets", + .reg = SYS_COUNT_RX_128_255, + }, + [OCELOT_STAT_RX_256_511] = { + .name = "rx_frames_256_to_511_octets", + .reg = SYS_COUNT_RX_256_511, + }, + [OCELOT_STAT_RX_512_1023] = { + .name = "rx_frames_512_to_1023_octets", + .reg = SYS_COUNT_RX_512_1023, + }, + [OCELOT_STAT_RX_1024_1526] = { + .name = "rx_frames_1024_to_1526_octets", + .reg = SYS_COUNT_RX_1024_1526, + }, + [OCELOT_STAT_RX_1527_MAX] = { + .name = "rx_frames_over_1526_octets", + .reg = SYS_COUNT_RX_1527_MAX, + }, + [OCELOT_STAT_RX_PAUSE] = { + .name = "rx_pause", + .reg = SYS_COUNT_RX_PAUSE, + }, + [OCELOT_STAT_RX_CONTROL] = { + .name = "rx_control", + .reg = SYS_COUNT_RX_CONTROL, + }, + [OCELOT_STAT_RX_LONGS] = { + .name = "rx_longs", + .reg = SYS_COUNT_RX_LONGS, + }, + [OCELOT_STAT_RX_CLASSIFIED_DROPS] = { + .name = "rx_classified_drops", + .reg = SYS_COUNT_RX_CLASSIFIED_DROPS, + }, + [OCELOT_STAT_RX_RED_PRIO_0] = { + .name = "rx_red_prio_0", + .reg = SYS_COUNT_RX_RED_PRIO_0, + }, + [OCELOT_STAT_RX_RED_PRIO_1] = { + .name = "rx_red_prio_1", + .reg = SYS_COUNT_RX_RED_PRIO_1, + }, + [OCELOT_STAT_RX_RED_PRIO_2] = { + .name = "rx_red_prio_2", + .reg = SYS_COUNT_RX_RED_PRIO_2, + }, + [OCELOT_STAT_RX_RED_PRIO_3] = { + .name = "rx_red_prio_3", + .reg = SYS_COUNT_RX_RED_PRIO_3, + }, + [OCELOT_STAT_RX_RED_PRIO_4] = { + .name = "rx_red_prio_4", + .reg = SYS_COUNT_RX_RED_PRIO_4, + }, + [OCELOT_STAT_RX_RED_PRIO_5] = { + .name = "rx_red_prio_5", + .reg = SYS_COUNT_RX_RED_PRIO_5, + }, + [OCELOT_STAT_RX_RED_PRIO_6] = { + .name = "rx_red_prio_6", + .reg = SYS_COUNT_RX_RED_PRIO_6, + }, + [OCELOT_STAT_RX_RED_PRIO_7] = { + .name = "rx_red_prio_7", + .reg = SYS_COUNT_RX_RED_PRIO_7, + }, + [OCELOT_STAT_RX_YELLOW_PRIO_0] = { + .name = "rx_yellow_prio_0", + .reg = SYS_COUNT_RX_YELLOW_PRIO_0, + }, + [OCELOT_STAT_RX_YELLOW_PRIO_1] = { + .name = "rx_yellow_prio_1", + .reg = SYS_COUNT_RX_YELLOW_PRIO_1, + }, + [OCELOT_STAT_RX_YELLOW_PRIO_2] = { + .name = "rx_yellow_prio_2", + .reg = SYS_COUNT_RX_YELLOW_PRIO_2, + }, + [OCELOT_STAT_RX_YELLOW_PRIO_3] = { + .name = "rx_yellow_prio_3", + .reg = SYS_COUNT_RX_YELLOW_PRIO_3, + }, + [OCELOT_STAT_RX_YELLOW_PRIO_4] = { + .name = "rx_yellow_prio_4", + .reg = SYS_COUNT_RX_YELLOW_PRIO_4, + }, + [OCELOT_STAT_RX_YELLOW_PRIO_5] = { + .name = "rx_yellow_prio_5", + .reg = SYS_COUNT_RX_YELLOW_PRIO_5, + }, + [OCELOT_STAT_RX_YELLOW_PRIO_6] = { + .name = "rx_yellow_prio_6", + .reg = SYS_COUNT_RX_YELLOW_PRIO_6, + }, + [OCELOT_STAT_RX_YELLOW_PRIO_7] = { + .name = "rx_yellow_prio_7", + .reg = SYS_COUNT_RX_YELLOW_PRIO_7, + }, + [OCELOT_STAT_RX_GREEN_PRIO_0] = { + .name = "rx_green_prio_0", + .reg = SYS_COUNT_RX_GREEN_PRIO_0, + }, + [OCELOT_STAT_RX_GREEN_PRIO_1] = { + .name = "rx_green_prio_1", + .reg = SYS_COUNT_RX_GREEN_PRIO_1, + }, + [OCELOT_STAT_RX_GREEN_PRIO_2] = { + .name = "rx_green_prio_2", + .reg = SYS_COUNT_RX_GREEN_PRIO_2, + }, + [OCELOT_STAT_RX_GREEN_PRIO_3] = { + .name = "rx_green_prio_3", + .reg = SYS_COUNT_RX_GREEN_PRIO_3, + }, + [OCELOT_STAT_RX_GREEN_PRIO_4] = { + .name = "rx_green_prio_4", + .reg = SYS_COUNT_RX_GREEN_PRIO_4, + }, + [OCELOT_STAT_RX_GREEN_PRIO_5] = { + .name = "rx_green_prio_5", + .reg = SYS_COUNT_RX_GREEN_PRIO_5, + }, + [OCELOT_STAT_RX_GREEN_PRIO_6] = { + .name = "rx_green_prio_6", + .reg = SYS_COUNT_RX_GREEN_PRIO_6, + }, + [OCELOT_STAT_RX_GREEN_PRIO_7] = { + .name = "rx_green_prio_7", + .reg = SYS_COUNT_RX_GREEN_PRIO_7, + }, + [OCELOT_STAT_TX_OCTETS] = { + .name = "tx_octets", + .reg = SYS_COUNT_TX_OCTETS, + }, + [OCELOT_STAT_TX_UNICAST] = { + .name = "tx_unicast", + .reg = SYS_COUNT_TX_UNICAST, + }, + [OCELOT_STAT_TX_MULTICAST] = { + .name = "tx_multicast", + .reg = SYS_COUNT_TX_MULTICAST, + }, + [OCELOT_STAT_TX_BROADCAST] = { + .name = "tx_broadcast", + .reg = SYS_COUNT_TX_BROADCAST, + }, + [OCELOT_STAT_TX_COLLISION] = { + .name = "tx_collision", + .reg = SYS_COUNT_TX_COLLISION, + }, + [OCELOT_STAT_TX_DROPS] = { + .name = "tx_drops", + .reg = SYS_COUNT_TX_DROPS, + }, + [OCELOT_STAT_TX_PAUSE] = { + .name = "tx_pause", + .reg = SYS_COUNT_TX_PAUSE, + }, + [OCELOT_STAT_TX_64] = { + .name = "tx_frames_below_65_octets", + .reg = SYS_COUNT_TX_64, + }, + [OCELOT_STAT_TX_65_127] = { + .name = "tx_frames_65_to_127_octets", + .reg = SYS_COUNT_TX_65_127, + }, + [OCELOT_STAT_TX_128_255] = { + .name = "tx_frames_128_255_octets", + .reg = SYS_COUNT_TX_128_255, + }, + [OCELOT_STAT_TX_256_511] = { + .name = "tx_frames_256_511_octets", + .reg = SYS_COUNT_TX_256_511, + }, + [OCELOT_STAT_TX_512_1023] = { + .name = "tx_frames_512_1023_octets", + .reg = SYS_COUNT_TX_512_1023, + }, + [OCELOT_STAT_TX_1024_1526] = { + .name = "tx_frames_1024_1526_octets", + .reg = SYS_COUNT_TX_1024_1526, + }, + [OCELOT_STAT_TX_1527_MAX] = { + .name = "tx_frames_over_1526_octets", + .reg = SYS_COUNT_TX_1527_MAX, + }, + [OCELOT_STAT_TX_YELLOW_PRIO_0] = { + .name = "tx_yellow_prio_0", + .reg = SYS_COUNT_TX_YELLOW_PRIO_0, + }, + [OCELOT_STAT_TX_YELLOW_PRIO_1] = { + .name = "tx_yellow_prio_1", + .reg = SYS_COUNT_TX_YELLOW_PRIO_1, + }, + [OCELOT_STAT_TX_YELLOW_PRIO_2] = { + .name = "tx_yellow_prio_2", + .reg = SYS_COUNT_TX_YELLOW_PRIO_2, + }, + [OCELOT_STAT_TX_YELLOW_PRIO_3] = { + .name = "tx_yellow_prio_3", + .reg = SYS_COUNT_TX_YELLOW_PRIO_3, + }, + [OCELOT_STAT_TX_YELLOW_PRIO_4] = { + .name = "tx_yellow_prio_4", + .reg = SYS_COUNT_TX_YELLOW_PRIO_4, + }, + [OCELOT_STAT_TX_YELLOW_PRIO_5] = { + .name = "tx_yellow_prio_5", + .reg = SYS_COUNT_TX_YELLOW_PRIO_5, + }, + [OCELOT_STAT_TX_YELLOW_PRIO_6] = { + .name = "tx_yellow_prio_6", + .reg = SYS_COUNT_TX_YELLOW_PRIO_6, + }, + [OCELOT_STAT_TX_YELLOW_PRIO_7] = { + .name = "tx_yellow_prio_7", + .reg = SYS_COUNT_TX_YELLOW_PRIO_7, + }, + [OCELOT_STAT_TX_GREEN_PRIO_0] = { + .name = "tx_green_prio_0", + .reg = SYS_COUNT_TX_GREEN_PRIO_0, + }, + [OCELOT_STAT_TX_GREEN_PRIO_1] = { + .name = "tx_green_prio_1", + .reg = SYS_COUNT_TX_GREEN_PRIO_1, + }, + [OCELOT_STAT_TX_GREEN_PRIO_2] = { + .name = "tx_green_prio_2", + .reg = SYS_COUNT_TX_GREEN_PRIO_2, + }, + [OCELOT_STAT_TX_GREEN_PRIO_3] = { + .name = "tx_green_prio_3", + .reg = SYS_COUNT_TX_GREEN_PRIO_3, + }, + [OCELOT_STAT_TX_GREEN_PRIO_4] = { + .name = "tx_green_prio_4", + .reg = SYS_COUNT_TX_GREEN_PRIO_4, + }, + [OCELOT_STAT_TX_GREEN_PRIO_5] = { + .name = "tx_green_prio_5", + .reg = SYS_COUNT_TX_GREEN_PRIO_5, + }, + [OCELOT_STAT_TX_GREEN_PRIO_6] = { + .name = "tx_green_prio_6", + .reg = SYS_COUNT_TX_GREEN_PRIO_6, + }, + [OCELOT_STAT_TX_GREEN_PRIO_7] = { + .name = "tx_green_prio_7", + .reg = SYS_COUNT_TX_GREEN_PRIO_7, + }, + [OCELOT_STAT_TX_AGED] = { + .name = "tx_aged", + .reg = SYS_COUNT_TX_AGING, + }, + [OCELOT_STAT_DROP_LOCAL] = { + .name = "drop_local", + .reg = SYS_COUNT_DROP_LOCAL, + }, + [OCELOT_STAT_DROP_TAIL] = { + .name = "drop_tail", + .reg = SYS_COUNT_DROP_TAIL, + }, + [OCELOT_STAT_DROP_YELLOW_PRIO_0] = { + .name = "drop_yellow_prio_0", + .reg = SYS_COUNT_DROP_YELLOW_PRIO_0, + }, + [OCELOT_STAT_DROP_YELLOW_PRIO_1] = { + .name = "drop_yellow_prio_1", + .reg = SYS_COUNT_DROP_YELLOW_PRIO_1, + }, + [OCELOT_STAT_DROP_YELLOW_PRIO_2] = { + .name = "drop_yellow_prio_2", + .reg = SYS_COUNT_DROP_YELLOW_PRIO_2, + }, + [OCELOT_STAT_DROP_YELLOW_PRIO_3] = { + .name = "drop_yellow_prio_3", + .reg = SYS_COUNT_DROP_YELLOW_PRIO_3, + }, + [OCELOT_STAT_DROP_YELLOW_PRIO_4] = { + .name = "drop_yellow_prio_4", + .reg = SYS_COUNT_DROP_YELLOW_PRIO_4, + }, + [OCELOT_STAT_DROP_YELLOW_PRIO_5] = { + .name = "drop_yellow_prio_5", + .reg = SYS_COUNT_DROP_YELLOW_PRIO_5, + }, + [OCELOT_STAT_DROP_YELLOW_PRIO_6] = { + .name = "drop_yellow_prio_6", + .reg = SYS_COUNT_DROP_YELLOW_PRIO_6, + }, + [OCELOT_STAT_DROP_YELLOW_PRIO_7] = { + .name = "drop_yellow_prio_7", + .reg = SYS_COUNT_DROP_YELLOW_PRIO_7, + }, + [OCELOT_STAT_DROP_GREEN_PRIO_0] = { + .name = "drop_green_prio_0", + .reg = SYS_COUNT_DROP_GREEN_PRIO_0, + }, + [OCELOT_STAT_DROP_GREEN_PRIO_1] = { + .name = "drop_green_prio_1", + .reg = SYS_COUNT_DROP_GREEN_PRIO_1, + }, + [OCELOT_STAT_DROP_GREEN_PRIO_2] = { + .name = "drop_green_prio_2", + .reg = SYS_COUNT_DROP_GREEN_PRIO_2, + }, + [OCELOT_STAT_DROP_GREEN_PRIO_3] = { + .name = "drop_green_prio_3", + .reg = SYS_COUNT_DROP_GREEN_PRIO_3, + }, + [OCELOT_STAT_DROP_GREEN_PRIO_4] = { + .name = "drop_green_prio_4", + .reg = SYS_COUNT_DROP_GREEN_PRIO_4, + }, + [OCELOT_STAT_DROP_GREEN_PRIO_5] = { + .name = "drop_green_prio_5", + .reg = SYS_COUNT_DROP_GREEN_PRIO_5, + }, + [OCELOT_STAT_DROP_GREEN_PRIO_6] = { + .name = "drop_green_prio_6", + .reg = SYS_COUNT_DROP_GREEN_PRIO_6, + }, + [OCELOT_STAT_DROP_GREEN_PRIO_7] = { + .name = "drop_green_prio_7", + .reg = SYS_COUNT_DROP_GREEN_PRIO_7, + }, }; static const struct vcap_field vsc9959_vcap_es0_keys[] = { @@ -1128,6 +1479,23 @@ static void vsc9959_mdio_bus_free(struct ocelot *ocelot) mdiobus_free(felix->imdio); } +/* The switch considers any frame (regardless of size) as eligible for + * transmission if the traffic class gate is open for at least 33 ns. + * Overruns are prevented by cropping an interval at the end of the gate time + * slot for which egress scheduling is blocked, but we need to still keep 33 ns + * available for one packet to be transmitted, otherwise the port tc will hang. + * This function returns the size of a gate interval that remains available for + * setting the guard band, after reserving the space for one egress frame. + */ +static u64 vsc9959_tas_remaining_gate_len_ps(u64 gate_len_ns) +{ + /* Gate always open */ + if (gate_len_ns == U64_MAX) + return U64_MAX; + + return (gate_len_ns - VSC9959_TAS_MIN_GATE_LEN_NS) * PSEC_PER_NSEC; +} + /* Extract shortest continuous gate open intervals in ns for each traffic class * of a cyclic tc-taprio schedule. If a gate is always open, the duration is * considered U64_MAX. If the gate is always closed, it is considered 0. @@ -1189,6 +1557,65 @@ static void vsc9959_tas_min_gate_lengths(struct tc_taprio_qopt_offload *taprio, min_gate_len[tc] = 0; } +/* ocelot_write_rix is a macro that concatenates QSYS_MAXSDU_CFG_* with _RSZ, + * so we need to spell out the register access to each traffic class in helper + * functions, to simplify callers + */ +static void vsc9959_port_qmaxsdu_set(struct ocelot *ocelot, int port, int tc, + u32 max_sdu) +{ + switch (tc) { + case 0: + ocelot_write_rix(ocelot, max_sdu, QSYS_QMAXSDU_CFG_0, + port); + break; + case 1: + ocelot_write_rix(ocelot, max_sdu, QSYS_QMAXSDU_CFG_1, + port); + break; + case 2: + ocelot_write_rix(ocelot, max_sdu, QSYS_QMAXSDU_CFG_2, + port); + break; + case 3: + ocelot_write_rix(ocelot, max_sdu, QSYS_QMAXSDU_CFG_3, + port); + break; + case 4: + ocelot_write_rix(ocelot, max_sdu, QSYS_QMAXSDU_CFG_4, + port); + break; + case 5: + ocelot_write_rix(ocelot, max_sdu, QSYS_QMAXSDU_CFG_5, + port); + break; + case 6: + ocelot_write_rix(ocelot, max_sdu, QSYS_QMAXSDU_CFG_6, + port); + break; + case 7: + ocelot_write_rix(ocelot, max_sdu, QSYS_QMAXSDU_CFG_7, + port); + break; + } +} + +static u32 vsc9959_port_qmaxsdu_get(struct ocelot *ocelot, int port, int tc) +{ + switch (tc) { + case 0: return ocelot_read_rix(ocelot, QSYS_QMAXSDU_CFG_0, port); + case 1: return ocelot_read_rix(ocelot, QSYS_QMAXSDU_CFG_1, port); + case 2: return ocelot_read_rix(ocelot, QSYS_QMAXSDU_CFG_2, port); + case 3: return ocelot_read_rix(ocelot, QSYS_QMAXSDU_CFG_3, port); + case 4: return ocelot_read_rix(ocelot, QSYS_QMAXSDU_CFG_4, port); + case 5: return ocelot_read_rix(ocelot, QSYS_QMAXSDU_CFG_5, port); + case 6: return ocelot_read_rix(ocelot, QSYS_QMAXSDU_CFG_6, port); + case 7: return ocelot_read_rix(ocelot, QSYS_QMAXSDU_CFG_7, port); + default: + return 0; + } +} + /* Update QSYS_PORT_MAX_SDU to make sure the static guard bands added by the * switch (see the ALWAYS_GUARD_BAND_SCH_Q comment) are correct at all MTU * values (the default value is 1518). Also, for traffic class windows smaller @@ -1245,11 +1672,16 @@ static void vsc9959_tas_guard_bands_update(struct ocelot *ocelot, int port) vsc9959_tas_min_gate_lengths(ocelot_port->taprio, min_gate_len); + mutex_lock(&ocelot->fwd_domain_lock); + for (tc = 0; tc < OCELOT_NUM_TC; tc++) { + u64 remaining_gate_len_ps; u32 max_sdu; - if (min_gate_len[tc] == U64_MAX /* Gate always open */ || - min_gate_len[tc] * PSEC_PER_NSEC > needed_bit_time_ps) { + remaining_gate_len_ps = + vsc9959_tas_remaining_gate_len_ps(min_gate_len[tc]); + + if (remaining_gate_len_ps > needed_bit_time_ps) { /* Setting QMAXSDU_CFG to 0 disables oversized frame * dropping. */ @@ -1262,9 +1694,15 @@ static void vsc9959_tas_guard_bands_update(struct ocelot *ocelot, int port) /* If traffic class doesn't support a full MTU sized * frame, make sure to enable oversize frame dropping * for frames larger than the smallest that would fit. + * + * However, the exact same register, QSYS_QMAXSDU_CFG_*, + * controls not only oversized frame dropping, but also + * per-tc static guard band lengths, so it reduces the + * useful gate interval length. Therefore, be careful + * to calculate a guard band (and therefore max_sdu) + * that still leaves 33 ns available in the time slot. */ - max_sdu = div_u64(min_gate_len[tc] * PSEC_PER_NSEC, - picos_per_byte); + max_sdu = div_u64(remaining_gate_len_ps, picos_per_byte); /* A TC gate may be completely closed, which is a * special case where all packets are oversized. * Any limit smaller than 64 octets accomplishes this @@ -1287,47 +1725,14 @@ static void vsc9959_tas_guard_bands_update(struct ocelot *ocelot, int port) max_sdu); } - /* ocelot_write_rix is a macro that concatenates - * QSYS_MAXSDU_CFG_* with _RSZ, so we need to spell out - * the writes to each traffic class - */ - switch (tc) { - case 0: - ocelot_write_rix(ocelot, max_sdu, QSYS_QMAXSDU_CFG_0, - port); - break; - case 1: - ocelot_write_rix(ocelot, max_sdu, QSYS_QMAXSDU_CFG_1, - port); - break; - case 2: - ocelot_write_rix(ocelot, max_sdu, QSYS_QMAXSDU_CFG_2, - port); - break; - case 3: - ocelot_write_rix(ocelot, max_sdu, QSYS_QMAXSDU_CFG_3, - port); - break; - case 4: - ocelot_write_rix(ocelot, max_sdu, QSYS_QMAXSDU_CFG_4, - port); - break; - case 5: - ocelot_write_rix(ocelot, max_sdu, QSYS_QMAXSDU_CFG_5, - port); - break; - case 6: - ocelot_write_rix(ocelot, max_sdu, QSYS_QMAXSDU_CFG_6, - port); - break; - case 7: - ocelot_write_rix(ocelot, max_sdu, QSYS_QMAXSDU_CFG_7, - port); - break; - } + vsc9959_port_qmaxsdu_set(ocelot, port, tc, max_sdu); } ocelot_write_rix(ocelot, maxlen, QSYS_PORT_MAX_SDU, port); + + ocelot->ops->cut_through_fwd(ocelot); + + mutex_unlock(&ocelot->fwd_domain_lock); } static void vsc9959_sched_speed_set(struct ocelot *ocelot, int port, @@ -1354,13 +1759,13 @@ static void vsc9959_sched_speed_set(struct ocelot *ocelot, int port, break; } + mutex_lock(&ocelot->tas_lock); + ocelot_rmw_rix(ocelot, QSYS_TAG_CONFIG_LINK_SPEED(tas_speed), QSYS_TAG_CONFIG_LINK_SPEED_M, QSYS_TAG_CONFIG, port); - mutex_lock(&ocelot->tas_lock); - if (ocelot_port->taprio) vsc9959_tas_guard_bands_update(ocelot, port); @@ -2166,7 +2571,7 @@ static void vsc9959_psfp_sgi_table_del(struct ocelot *ocelot, static void vsc9959_psfp_counters_get(struct ocelot *ocelot, u32 index, struct felix_stream_filter_counters *counters) { - mutex_lock(&ocelot->stats_lock); + spin_lock(&ocelot->stats_lock); ocelot_rmw(ocelot, SYS_STAT_CFG_STAT_VIEW(index), SYS_STAT_CFG_STAT_VIEW_M, @@ -2183,7 +2588,7 @@ static void vsc9959_psfp_counters_get(struct ocelot *ocelot, u32 index, SYS_STAT_CFG_STAT_CLEAR_SHOT(0x10), SYS_STAT_CFG); - mutex_unlock(&ocelot->stats_lock); + spin_unlock(&ocelot->stats_lock); } static int vsc9959_psfp_filter_add(struct ocelot *ocelot, int port, @@ -2420,7 +2825,7 @@ static void vsc9959_cut_through_fwd(struct ocelot *ocelot) { struct felix *felix = ocelot_to_felix(ocelot); struct dsa_switch *ds = felix->ds; - int port, other_port; + int tc, port, other_port; lockdep_assert_held(&ocelot->fwd_domain_lock); @@ -2464,19 +2869,27 @@ static void vsc9959_cut_through_fwd(struct ocelot *ocelot) min_speed = other_ocelot_port->speed; } - /* Enable cut-through forwarding for all traffic classes. */ - if (ocelot_port->speed == min_speed) + /* Enable cut-through forwarding for all traffic classes that + * don't have oversized dropping enabled, since this check is + * bypassed in cut-through mode. + */ + if (ocelot_port->speed == min_speed) { val = GENMASK(7, 0); + for (tc = 0; tc < OCELOT_NUM_TC; tc++) + if (vsc9959_port_qmaxsdu_get(ocelot, port, tc)) + val &= ~BIT(tc); + } + set: tmp = ocelot_read_rix(ocelot, ANA_CUT_THRU_CFG, port); if (tmp == val) continue; dev_dbg(ocelot->dev, - "port %d fwd mask 0x%lx speed %d min_speed %d, %s cut-through forwarding\n", + "port %d fwd mask 0x%lx speed %d min_speed %d, %s cut-through forwarding on TC mask 0x%x\n", port, mask, ocelot_port->speed, min_speed, - val ? "enabling" : "disabling"); + val ? "enabling" : "disabling", val); ocelot_write_rix(ocelot, val, ANA_CUT_THRU_CFG, port); } |