From be6e36d916b1f7e6b0aec42d49cb5d5ea9590dff Mon Sep 17 00:00:00 2001 From: Rahul Lakkireddy Date: Tue, 2 Jan 2018 12:48:58 +0530 Subject: [PATCH] cxgb4: collect TX rate limit info in UP CIM logs Collect TX rate limiting related information in UP CIM logs. Signed-off-by: Rahul Lakkireddy Signed-off-by: Ganesh Goudar Signed-off-by: David S. Miller --- .../net/ethernet/chelsio/cxgb4/cudbg_entity.h | 80 ++++++++++++------- drivers/net/ethernet/chelsio/cxgb4/cudbg_if.h | 1 + .../net/ethernet/chelsio/cxgb4/cudbg_lib.c | 47 +++++++++-- .../net/ethernet/chelsio/cxgb4/cxgb4_cudbg.c | 8 +- drivers/net/ethernet/chelsio/cxgb4/t4_regs.h | 3 + 5 files changed, 100 insertions(+), 39 deletions(-) diff --git a/drivers/net/ethernet/chelsio/cxgb4/cudbg_entity.h b/drivers/net/ethernet/chelsio/cxgb4/cudbg_entity.h index 2e71e334d819..b57acb8dc35b 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cudbg_entity.h +++ b/drivers/net/ethernet/chelsio/cxgb4/cudbg_entity.h @@ -405,37 +405,55 @@ static const u32 t6_ma_ireg_array2[][IREG_NUM_ELEM] = { {0x78f8, 0x78fc, 0xe640, 13} /* t6_ma_regs_e640_to_e7c0 */ }; -static const u32 t6_up_cim_reg_array[][IREG_NUM_ELEM] = { - {0x7b50, 0x7b54, 0x2000, 0x20}, /* up_cim_2000_to_207c */ - {0x7b50, 0x7b54, 0x2080, 0x1d}, /* up_cim_2080_to_20fc */ - {0x7b50, 0x7b54, 0x00, 0x20}, /* up_cim_00_to_7c */ - {0x7b50, 0x7b54, 0x80, 0x20}, /* up_cim_80_to_fc */ - {0x7b50, 0x7b54, 0x100, 0x11}, /* up_cim_100_to_14c */ - {0x7b50, 0x7b54, 0x200, 0x10}, /* up_cim_200_to_23c */ - {0x7b50, 0x7b54, 0x240, 0x2}, /* up_cim_240_to_244 */ - {0x7b50, 0x7b54, 0x250, 0x2}, /* up_cim_250_to_254 */ - {0x7b50, 0x7b54, 0x260, 0x2}, /* up_cim_260_to_264 */ - {0x7b50, 0x7b54, 0x270, 0x2}, /* up_cim_270_to_274 */ - {0x7b50, 0x7b54, 0x280, 0x20}, /* up_cim_280_to_2fc */ - {0x7b50, 0x7b54, 0x300, 0x20}, /* up_cim_300_to_37c */ - {0x7b50, 0x7b54, 0x380, 0x14}, /* up_cim_380_to_3cc */ - -}; - -static const u32 t5_up_cim_reg_array[][IREG_NUM_ELEM] = { - {0x7b50, 0x7b54, 0x2000, 0x20}, /* up_cim_2000_to_207c */ - {0x7b50, 0x7b54, 0x2080, 0x19}, /* up_cim_2080_to_20ec */ - {0x7b50, 0x7b54, 0x00, 0x20}, /* up_cim_00_to_7c */ - {0x7b50, 0x7b54, 0x80, 0x20}, /* up_cim_80_to_fc */ - {0x7b50, 0x7b54, 0x100, 0x11}, /* up_cim_100_to_14c */ - {0x7b50, 0x7b54, 0x200, 0x10}, /* up_cim_200_to_23c */ - {0x7b50, 0x7b54, 0x240, 0x2}, /* up_cim_240_to_244 */ - {0x7b50, 0x7b54, 0x250, 0x2}, /* up_cim_250_to_254 */ - {0x7b50, 0x7b54, 0x260, 0x2}, /* up_cim_260_to_264 */ - {0x7b50, 0x7b54, 0x270, 0x2}, /* up_cim_270_to_274 */ - {0x7b50, 0x7b54, 0x280, 0x20}, /* up_cim_280_to_2fc */ - {0x7b50, 0x7b54, 0x300, 0x20}, /* up_cim_300_to_37c */ - {0x7b50, 0x7b54, 0x380, 0x14}, /* up_cim_380_to_3cc */ +static const u32 t6_up_cim_reg_array[][IREG_NUM_ELEM + 1] = { + {0x7b50, 0x7b54, 0x2000, 0x20, 0}, /* up_cim_2000_to_207c */ + {0x7b50, 0x7b54, 0x2080, 0x1d, 0}, /* up_cim_2080_to_20fc */ + {0x7b50, 0x7b54, 0x00, 0x20, 0}, /* up_cim_00_to_7c */ + {0x7b50, 0x7b54, 0x80, 0x20, 0}, /* up_cim_80_to_fc */ + {0x7b50, 0x7b54, 0x100, 0x11, 0}, /* up_cim_100_to_14c */ + {0x7b50, 0x7b54, 0x200, 0x10, 0}, /* up_cim_200_to_23c */ + {0x7b50, 0x7b54, 0x240, 0x2, 0}, /* up_cim_240_to_244 */ + {0x7b50, 0x7b54, 0x250, 0x2, 0}, /* up_cim_250_to_254 */ + {0x7b50, 0x7b54, 0x260, 0x2, 0}, /* up_cim_260_to_264 */ + {0x7b50, 0x7b54, 0x270, 0x2, 0}, /* up_cim_270_to_274 */ + {0x7b50, 0x7b54, 0x280, 0x20, 0}, /* up_cim_280_to_2fc */ + {0x7b50, 0x7b54, 0x300, 0x20, 0}, /* up_cim_300_to_37c */ + {0x7b50, 0x7b54, 0x380, 0x14, 0}, /* up_cim_380_to_3cc */ + {0x7b50, 0x7b54, 0x2900, 0x4, 0x4}, /* up_cim_2900_to_3d40 */ + {0x7b50, 0x7b54, 0x2904, 0x4, 0x4}, /* up_cim_2904_to_3d44 */ + {0x7b50, 0x7b54, 0x2908, 0x4, 0x4}, /* up_cim_2908_to_3d48 */ + {0x7b50, 0x7b54, 0x2910, 0x4, 0x4}, /* up_cim_2910_to_3d4c */ + {0x7b50, 0x7b54, 0x2914, 0x4, 0x4}, /* up_cim_2914_to_3d50 */ + {0x7b50, 0x7b54, 0x2920, 0x10, 0x10}, /* up_cim_2920_to_2a10 */ + {0x7b50, 0x7b54, 0x2924, 0x10, 0x10}, /* up_cim_2924_to_2a14 */ + {0x7b50, 0x7b54, 0x2928, 0x10, 0x10}, /* up_cim_2928_to_2a18 */ + {0x7b50, 0x7b54, 0x292c, 0x10, 0x10}, /* up_cim_292c_to_2a1c */ +}; + +static const u32 t5_up_cim_reg_array[][IREG_NUM_ELEM + 1] = { + {0x7b50, 0x7b54, 0x2000, 0x20, 0}, /* up_cim_2000_to_207c */ + {0x7b50, 0x7b54, 0x2080, 0x19, 0}, /* up_cim_2080_to_20ec */ + {0x7b50, 0x7b54, 0x00, 0x20, 0}, /* up_cim_00_to_7c */ + {0x7b50, 0x7b54, 0x80, 0x20, 0}, /* up_cim_80_to_fc */ + {0x7b50, 0x7b54, 0x100, 0x11, 0}, /* up_cim_100_to_14c */ + {0x7b50, 0x7b54, 0x200, 0x10, 0}, /* up_cim_200_to_23c */ + {0x7b50, 0x7b54, 0x240, 0x2, 0}, /* up_cim_240_to_244 */ + {0x7b50, 0x7b54, 0x250, 0x2, 0}, /* up_cim_250_to_254 */ + {0x7b50, 0x7b54, 0x260, 0x2, 0}, /* up_cim_260_to_264 */ + {0x7b50, 0x7b54, 0x270, 0x2, 0}, /* up_cim_270_to_274 */ + {0x7b50, 0x7b54, 0x280, 0x20, 0}, /* up_cim_280_to_2fc */ + {0x7b50, 0x7b54, 0x300, 0x20, 0}, /* up_cim_300_to_37c */ + {0x7b50, 0x7b54, 0x380, 0x14, 0}, /* up_cim_380_to_3cc */ + {0x7b50, 0x7b54, 0x2900, 0x4, 0x4}, /* up_cim_2900_to_3d40 */ + {0x7b50, 0x7b54, 0x2904, 0x4, 0x4}, /* up_cim_2904_to_3d44 */ + {0x7b50, 0x7b54, 0x2908, 0x4, 0x4}, /* up_cim_2908_to_3d48 */ + {0x7b50, 0x7b54, 0x2910, 0x4, 0x4}, /* up_cim_2910_to_3d4c */ + {0x7b50, 0x7b54, 0x2914, 0x4, 0x4}, /* up_cim_2914_to_3d50 */ + {0x7b50, 0x7b54, 0x2918, 0x4, 0x4}, /* up_cim_2918_to_3d54 */ + {0x7b50, 0x7b54, 0x291c, 0x4, 0x4}, /* up_cim_291c_to_3d58 */ + {0x7b50, 0x7b54, 0x2924, 0x10, 0x10}, /* up_cim_2924_to_2914 */ + {0x7b50, 0x7b54, 0x2928, 0x10, 0x10}, /* up_cim_2928_to_2a18 */ + {0x7b50, 0x7b54, 0x292c, 0x10, 0x10}, /* up_cim_292c_to_2a1c */ }; static const u32 t6_hma_ireg_array[][IREG_NUM_ELEM] = { diff --git a/drivers/net/ethernet/chelsio/cxgb4/cudbg_if.h b/drivers/net/ethernet/chelsio/cxgb4/cudbg_if.h index e8173ae32158..88e740082a02 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cudbg_if.h +++ b/drivers/net/ethernet/chelsio/cxgb4/cudbg_if.h @@ -21,6 +21,7 @@ /* Error codes */ #define CUDBG_STATUS_NO_MEM -19 #define CUDBG_STATUS_ENTITY_NOT_FOUND -24 +#define CUDBG_STATUS_NOT_IMPLEMENTED -28 #define CUDBG_SYSTEM_ERROR -29 #define CUDBG_STATUS_CCLK_NOT_DEFINED -32 diff --git a/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c b/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c index 336670d00a52..0a3871f10787 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c @@ -2422,11 +2422,21 @@ int cudbg_collect_up_cim_indirect(struct cudbg_init *pdbg_init, { struct adapter *padap = pdbg_init->adap; struct cudbg_buffer temp_buff = { 0 }; + u32 local_offset, local_range; struct ireg_buf *up_cim; + u32 size, j, iter; + u32 instance = 0; int i, rc, n; - u32 size; - n = sizeof(t5_up_cim_reg_array) / (IREG_NUM_ELEM * sizeof(u32)); + if (is_t5(padap->params.chip)) + n = sizeof(t5_up_cim_reg_array) / + ((IREG_NUM_ELEM + 1) * sizeof(u32)); + else if (is_t6(padap->params.chip)) + n = sizeof(t6_up_cim_reg_array) / + ((IREG_NUM_ELEM + 1) * sizeof(u32)); + else + return CUDBG_STATUS_NOT_IMPLEMENTED; + size = sizeof(struct ireg_buf) * n; rc = cudbg_get_buff(dbg_buff, size, &temp_buff); if (rc) @@ -2444,6 +2454,7 @@ int cudbg_collect_up_cim_indirect(struct cudbg_init *pdbg_init, t5_up_cim_reg_array[i][2]; up_cim_reg->ireg_offset_range = t5_up_cim_reg_array[i][3]; + instance = t5_up_cim_reg_array[i][4]; } else if (is_t6(padap->params.chip)) { up_cim_reg->ireg_addr = t6_up_cim_reg_array[i][0]; up_cim_reg->ireg_data = t6_up_cim_reg_array[i][1]; @@ -2451,13 +2462,35 @@ int cudbg_collect_up_cim_indirect(struct cudbg_init *pdbg_init, t6_up_cim_reg_array[i][2]; up_cim_reg->ireg_offset_range = t6_up_cim_reg_array[i][3]; + instance = t6_up_cim_reg_array[i][4]; } - rc = t4_cim_read(padap, up_cim_reg->ireg_local_offset, - up_cim_reg->ireg_offset_range, buff); - if (rc) { - cudbg_put_buff(&temp_buff, dbg_buff); - return rc; + switch (instance) { + case NUM_CIM_CTL_TSCH_CHANNEL_INSTANCES: + iter = up_cim_reg->ireg_offset_range; + local_offset = 0x120; + local_range = 1; + break; + case NUM_CIM_CTL_TSCH_CHANNEL_TSCH_CLASS_INSTANCES: + iter = up_cim_reg->ireg_offset_range; + local_offset = 0x10; + local_range = 1; + break; + default: + iter = 1; + local_offset = 0; + local_range = up_cim_reg->ireg_offset_range; + break; + } + + for (j = 0; j < iter; j++, buff++) { + rc = t4_cim_read(padap, + up_cim_reg->ireg_local_offset + + (j * local_offset), local_range, buff); + if (rc) { + cudbg_put_buff(&temp_buff, dbg_buff); + return rc; + } } up_cim++; } diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.c index 581d628f01cc..a2d6c8a69c52 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.c @@ -274,7 +274,13 @@ static u32 cxgb4_get_entity_length(struct adapter *adap, u32 entity) len = sizeof(struct cudbg_ulptx_la); break; case CUDBG_UP_CIM_INDIRECT: - n = sizeof(t5_up_cim_reg_array) / (IREG_NUM_ELEM * sizeof(u32)); + n = 0; + if (is_t5(adap->params.chip)) + n = sizeof(t5_up_cim_reg_array) / + ((IREG_NUM_ELEM + 1) * sizeof(u32)); + else if (is_t6(adap->params.chip)) + n = sizeof(t6_up_cim_reg_array) / + ((IREG_NUM_ELEM + 1) * sizeof(u32)); len = sizeof(struct ireg_buf) * n; break; case CUDBG_PBT_TABLE: diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_regs.h b/drivers/net/ethernet/chelsio/cxgb4/t4_regs.h index f6701e0a6701..863bc29153d9 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_regs.h +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_regs.h @@ -45,6 +45,9 @@ #define PF_BASE(idx) (PF0_BASE + (idx) * PF_STRIDE) #define PF_REG(idx, reg) (PF_BASE(idx) + (reg)) +#define NUM_CIM_CTL_TSCH_CHANNEL_INSTANCES 4 +#define NUM_CIM_CTL_TSCH_CHANNEL_TSCH_CLASS_INSTANCES 16 + #define MYPORT_BASE 0x1c000 #define MYPORT_REG(reg_addr) (MYPORT_BASE + (reg_addr)) -- 2.30.2