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Commit 28b44556 authored by Rahul Lakkireddy's avatar Rahul Lakkireddy Committed by David S. Miller
Browse files

cxgb4: collect RSS dumps 



Collect RSS table and RSS VF configuration dumps.

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 3044d0fb

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

+5 −0
Original line number Diff line number Diff line
@@ -42,6 +42,11 @@ struct cudbg_cim_qcfg { 
	u32 stat[4 * (CIM_NUM_IBQ + CIM_NUM_OBQ_T5)];

};



struct cudbg_rss_vf_conf {

	u32 rss_vf_vfl;

	u32 rss_vf_vfh;

};



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
@@ -46,6 +46,8 @@ enum cudbg_dbg_entity_type { 
	CUDBG_CIM_OBQ_NCSI = 17,

	CUDBG_EDC0 = 18,

	CUDBG_EDC1 = 19,

	CUDBG_RSS = 22,

	CUDBG_RSS_VF_CONF = 25,

	CUDBG_TP_INDIRECT = 36,

	CUDBG_SGE_INDIRECT = 37,

	CUDBG_ULPRX_LA = 41,

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

+46 −0
Original line number Diff line number Diff line
@@ -528,6 +528,52 @@ int cudbg_collect_edc1_meminfo(struct cudbg_init *pdbg_init, 
					MEM_EDC1);

}



int cudbg_collect_rss(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 };

	int rc;



	rc = cudbg_get_buff(dbg_buff, RSS_NENTRIES * sizeof(u16), &temp_buff);

	if (rc)

		return rc;



	rc = t4_read_rss(padap, (u16 *)temp_buff.data);

	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_rss_vf_config(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_rss_vf_conf *vfconf;

	int vf, rc, vf_count;



	vf_count = padap->params.arch.vfcount;

	rc = cudbg_get_buff(dbg_buff,

			    vf_count * sizeof(struct cudbg_rss_vf_conf),

			    &temp_buff);

	if (rc)

		return rc;



	vfconf = (struct cudbg_rss_vf_conf *)temp_buff.data;

	for (vf = 0; vf < vf_count; vf++)

		t4_read_rss_vf_config(padap, vf, &vfconf[vf].rss_vf_vfl,

				      &vfconf[vf].rss_vf_vfh, 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

+6 −0
Original line number Diff line number Diff line
@@ -75,6 +75,12 @@ int cudbg_collect_edc0_meminfo(struct cudbg_init *pdbg_init, 
int cudbg_collect_edc1_meminfo(struct cudbg_init *pdbg_init,

			       struct cudbg_buffer *dbg_buff,

			       struct cudbg_error *cudbg_err);

int cudbg_collect_rss(struct cudbg_init *pdbg_init,

		      struct cudbg_buffer *dbg_buff,

		      struct cudbg_error *cudbg_err);

int cudbg_collect_rss_vf_config(struct cudbg_init *pdbg_init,

				struct cudbg_buffer *dbg_buff,

				struct cudbg_error *cudbg_err);

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/cxgb4_cudbg.c

+9 −0
Original line number Diff line number Diff line
@@ -44,6 +44,8 @@ static const struct cxgb4_collect_entity cxgb4_collect_hw_dump[] = { 
	{ CUDBG_CIM_OBQ_ULP3, cudbg_collect_cim_obq_ulp3 },

	{ CUDBG_CIM_OBQ_SGE, cudbg_collect_cim_obq_sge },

	{ CUDBG_CIM_OBQ_NCSI, cudbg_collect_cim_obq_ncsi },

	{ CUDBG_RSS, cudbg_collect_rss },

	{ CUDBG_RSS_VF_CONF, cudbg_collect_rss_vf_config },

	{ CUDBG_TP_INDIRECT, cudbg_collect_tp_indirect },

	{ CUDBG_SGE_INDIRECT, cudbg_collect_sge_indirect },

	{ CUDBG_ULPRX_LA, cudbg_collect_ulprx_la },
@@ -144,6 +146,13 @@ static u32 cxgb4_get_entity_length(struct adapter *adap, u32 entity) 
		}

		len = cudbg_mbytes_to_bytes(len);

		break;

	case CUDBG_RSS:

		len = RSS_NENTRIES * sizeof(u16);

		break;

	case CUDBG_RSS_VF_CONF:

		len = adap->params.arch.vfcount *

		      sizeof(struct cudbg_rss_vf_conf);

		break;

	case CUDBG_TP_INDIRECT:

		switch (CHELSIO_CHIP_VERSION(adap->params.chip)) {

		case CHELSIO_T5: