diff options
| author | Rahul Lakkireddy | 2017-10-26 13:48:38 +0200 |
|---|---|---|
| committer | David S. Miller | 2017-10-27 16:48:30 +0200 |
| commit | db8cd7ce208a7e7d440856b5c3e4e96af6dd9917 (patch) | |
| tree | 8441c403c5d1cb28d4039ded94e14b19220cc634 /drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c | |
| parent | cxgb4: collect MPS-TCAM dump (diff) | |
| download | kernel-qcow2-linux-db8cd7ce208a7e7d440856b5c3e4e96af6dd9917.tar.gz kernel-qcow2-linux-db8cd7ce208a7e7d440856b5c3e4e96af6dd9917.tar.xz kernel-qcow2-linux-db8cd7ce208a7e7d440856b5c3e4e96af6dd9917.zip | |
cxgb4: collect PBT tables dump
Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c')
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c b/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c index 03f1ec0c0160..c4096967c434 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c @@ -1310,6 +1310,74 @@ int cudbg_collect_up_cim_indirect(struct cudbg_init *pdbg_init, return rc; } +int cudbg_collect_pbt_tables(struct cudbg_init *pdbg_init, + struct cudbg_buffer *dbg_buff, + struct cudbg_error *cudbg_err) +{ + struct adapter *padap = pdbg_init->adap; + struct cudbg_buffer temp_buff = { 0 }; + struct cudbg_pbt_tables *pbt; + int i, rc; + u32 addr; + + rc = cudbg_get_buff(dbg_buff, sizeof(struct cudbg_pbt_tables), + &temp_buff); + if (rc) + return rc; + + pbt = (struct cudbg_pbt_tables *)temp_buff.data; + /* PBT dynamic entries */ + addr = CUDBG_CHAC_PBT_ADDR; + for (i = 0; i < CUDBG_PBT_DYNAMIC_ENTRIES; i++) { + rc = t4_cim_read(padap, addr + (i * 4), 1, + &pbt->pbt_dynamic[i]); + if (rc) { + cudbg_err->sys_err = rc; + cudbg_put_buff(&temp_buff, dbg_buff); + return rc; + } + } + + /* PBT static entries */ + /* static entries start when bit 6 is set */ + addr = CUDBG_CHAC_PBT_ADDR + (1 << 6); + for (i = 0; i < CUDBG_PBT_STATIC_ENTRIES; i++) { + rc = t4_cim_read(padap, addr + (i * 4), 1, + &pbt->pbt_static[i]); + if (rc) { + cudbg_err->sys_err = rc; + cudbg_put_buff(&temp_buff, dbg_buff); + return rc; + } + } + + /* LRF entries */ + addr = CUDBG_CHAC_PBT_LRF; + for (i = 0; i < CUDBG_LRF_ENTRIES; i++) { + rc = t4_cim_read(padap, addr + (i * 4), 1, + &pbt->lrf_table[i]); + if (rc) { + cudbg_err->sys_err = rc; + cudbg_put_buff(&temp_buff, dbg_buff); + return rc; + } + } + + /* PBT data entries */ + addr = CUDBG_CHAC_PBT_DATA; + for (i = 0; i < CUDBG_PBT_DATA_ENTRIES; i++) { + rc = t4_cim_read(padap, addr + (i * 4), 1, + &pbt->pbt_data[i]); + if (rc) { + cudbg_err->sys_err = rc; + cudbg_put_buff(&temp_buff, dbg_buff); + return rc; + } + } + cudbg_write_and_release_buff(&temp_buff, dbg_buff); + return rc; +} + int cudbg_collect_mbox_log(struct cudbg_init *pdbg_init, struct cudbg_buffer *dbg_buff, struct cudbg_error *cudbg_err) |