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authorRahul Lakkireddy <rahul.lakkireddy@chelsio.com>2017-10-26 17:18:39 +0530
committerDavid S. Miller <davem@davemloft.net>2017-10-27 23:48:30 +0900
commit08c4901bfe0b3beb12e7a5d7749e3522d7b1471e (patch)
tree40aa5180d7895e839085d869d28ea14a45e1e574 /drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c
parentdb8cd7ce208a7e7d440856b5c3e4e96af6dd9917 (diff)
downloadlinux-08c4901bfe0b3beb12e7a5d7749e3522d7b1471e.tar.bz2
cxgb4: collect hardware scheduler dumps
Collect hardware TX traffic scheduler and pace tables. 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.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c b/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c
index c4096967c434..0e01a2916ab8 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c
@@ -574,6 +574,31 @@ int cudbg_collect_rss_vf_config(struct cudbg_init *pdbg_init,
return rc;
}
+int cudbg_collect_hw_sched(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_hw_sched *hw_sched_buff;
+ int i, rc = 0;
+
+ if (!padap->params.vpd.cclk)
+ return CUDBG_STATUS_CCLK_NOT_DEFINED;
+
+ rc = cudbg_get_buff(dbg_buff, sizeof(struct cudbg_hw_sched),
+ &temp_buff);
+ hw_sched_buff = (struct cudbg_hw_sched *)temp_buff.data;
+ hw_sched_buff->map = t4_read_reg(padap, TP_TX_MOD_QUEUE_REQ_MAP_A);
+ hw_sched_buff->mode = TIMERMODE_G(t4_read_reg(padap, TP_MOD_CONFIG_A));
+ t4_read_pace_tbl(padap, hw_sched_buff->pace_tab);
+ for (i = 0; i < NTX_SCHED; ++i)
+ t4_get_tx_sched(padap, i, &hw_sched_buff->kbps[i],
+ &hw_sched_buff->ipg[i], true);
+ cudbg_write_and_release_buff(&temp_buff, dbg_buff);
+ return rc;
+}
+
int cudbg_collect_tp_indirect(struct cudbg_init *pdbg_init,
struct cudbg_buffer *dbg_buff,
struct cudbg_error *cudbg_err)