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Commit 08c4901b authored by Rahul Lakkireddy's avatar Rahul Lakkireddy Committed by David S. Miller
Browse files

cxgb4: collect hardware scheduler dumps 



Collect hardware TX traffic scheduler and pace tables.

Signed-off-by: default avatarRahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: default avatarGanesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent db8cd7ce

drivers/net/ethernet/chelsio/cxgb4/cudbg_entity.h

+8 −0
Original line number Diff line number Diff line
@@ -49,6 +49,14 @@ struct cudbg_rss_vf_conf { 
	u32 rss_vf_vfh;

};



struct cudbg_hw_sched {

	u32 kbps[NTX_SCHED];

	u32 ipg[NTX_SCHED];

	u32 pace_tab[NTX_SCHED];

	u32 mode;

	u32 map;

};



struct ireg_field {

	u32 ireg_addr;

	u32 ireg_data;

drivers/net/ethernet/chelsio/cxgb4/cudbg_if.h

+2 −0
Original line number Diff line number Diff line
@@ -22,6 +22,7 @@ 
#define CUDBG_STATUS_NO_MEM -19

#define CUDBG_STATUS_ENTITY_NOT_FOUND -24

#define CUDBG_SYSTEM_ERROR -29

#define CUDBG_STATUS_CCLK_NOT_DEFINED -32



#define CUDBG_MAJOR_VERSION 1

#define CUDBG_MINOR_VERSION 14
@@ -48,6 +49,7 @@ enum cudbg_dbg_entity_type { 
	CUDBG_EDC1 = 19,

	CUDBG_RSS = 22,

	CUDBG_RSS_VF_CONF = 25,

	CUDBG_HW_SCHED = 31,

	CUDBG_TP_INDIRECT = 36,

	CUDBG_SGE_INDIRECT = 37,

	CUDBG_ULPRX_LA = 41,

drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c

+25 −0
Original line number Diff line number Diff line
@@ -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)

drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.h

+3 −0
Original line number Diff line number Diff line
@@ -84,6 +84,9 @@ int cudbg_collect_rss_vf_config(struct cudbg_init *pdbg_init, 
int cudbg_collect_tp_indirect(struct cudbg_init *pdbg_init,

			      struct cudbg_buffer *dbg_buff,

			      struct cudbg_error *cudbg_err);

int cudbg_collect_hw_sched(struct cudbg_init *pdbg_init,

			   struct cudbg_buffer *dbg_buff,

			   struct cudbg_error *cudbg_err);

int cudbg_collect_sge_indirect(struct cudbg_init *pdbg_init,

			       struct cudbg_buffer *dbg_buff,

			       struct cudbg_error *cudbg_err);

drivers/net/ethernet/chelsio/cxgb4/cxgb4.h

+9 −0
Original line number Diff line number Diff line
@@ -1335,6 +1335,12 @@ static inline unsigned int core_ticks_to_us(const struct adapter *adapter, 
		adapter->params.vpd.cclk);

}



static inline unsigned int dack_ticks_to_usec(const struct adapter *adap,

					      unsigned int ticks)

{

	return (ticks << adap->params.tp.dack_re) / core_ticks_per_usec(adap);

}



void t4_set_reg_field(struct adapter *adap, unsigned int addr, u32 mask,

		      u32 val);
@@ -1636,6 +1642,9 @@ void t4_get_trace_filter(struct adapter *adapter, struct trace_params *tp, 
			 int filter_index, int *enabled);

int t4_fwaddrspace_write(struct adapter *adap, unsigned int mbox,

			 u32 addr, u32 val);

void t4_read_pace_tbl(struct adapter *adap, unsigned int pace_vals[NTX_SCHED]);

void t4_get_tx_sched(struct adapter *adap, unsigned int sched,

		     unsigned int *kbps, unsigned int *ipg, bool sleep_ok);

int t4_sched_params(struct adapter *adapter, int type, int level, int mode,

		    int rateunit, int ratemode, int channel, int class,

		    int minrate, int maxrate, int weight, int pktsize);