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net/qede/base: check for EDPM enabled in DB recovery

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Add a check for EDPM enabled before flushing doorbell recovery queue.

Signed-off-by: Rasesh Mody <rasesh.mody@cavium.com>
This commit is contained in:
Rasesh Mody 2018-09-29 08:14:28 +00:00 committed by Ferruh Yigit
parent 3c36168618
commit f32557f955
3 changed files with 28 additions and 4 deletions
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2
drivers/net/qede/base/ecore.h
View File

@ -962,6 +962,8 @@ void ecore_db_recovery_dp(struct ecore_hwfn *p_hwfn);
void ecore_db_recovery_execute(struct ecore_hwfn *p_hwfn,
enum ecore_db_rec_exec);
bool ecore_edpm_enabled(struct ecore_hwfn *p_hwfn);
/* amount of resources used in qm init */
u8 ecore_init_qm_get_num_tcs(struct ecore_hwfn *p_hwfn);
u16 ecore_init_qm_get_num_vfs(struct ecore_hwfn *p_hwfn);

10
drivers/net/qede/base/ecore_dev.c
View File

@ -1974,6 +1974,14 @@ enum ECORE_ROCE_EDPM_MODE {
ECORE_ROCE_EDPM_MODE_DISABLE = 2,
};
bool ecore_edpm_enabled(struct ecore_hwfn *p_hwfn)
{
if (p_hwfn->dcbx_no_edpm || p_hwfn->db_bar_no_edpm)
return false;
return true;
}
static enum _ecore_status_t
ecore_hw_init_pf_doorbell_bar(struct ecore_hwfn *p_hwfn,
struct ecore_ptt *p_ptt)
@ -2061,7 +2069,7 @@ ecore_hw_init_pf_doorbell_bar(struct ecore_hwfn *p_hwfn,
DP_INFO(p_hwfn,
" dpi_size=%d, dpi_count=%d, roce_edpm=%s\n",
p_hwfn->dpi_size, p_hwfn->dpi_count,
((p_hwfn->dcbx_no_edpm) || (p_hwfn->db_bar_no_edpm)) ?
(!ecore_edpm_enabled(p_hwfn)) ?
"disabled" : "enabled");
/* Check return codes from above calls */

20
drivers/net/qede/base/ecore_int.c
View File

@ -431,9 +431,8 @@ ecore_general_attention_35(struct ecore_hwfn *p_hwfn)
#define ECORE_DB_REC_COUNT 10
#define ECORE_DB_REC_INTERVAL 100
/* assumes sticky overflow indication was set for this PF */
static enum _ecore_status_t ecore_db_rec_attn(struct ecore_hwfn *p_hwfn,
struct ecore_ptt *p_ptt)
static enum _ecore_status_t ecore_db_rec_flush_queue(struct ecore_hwfn *p_hwfn,
struct ecore_ptt *p_ptt)
{
u8 count = ECORE_DB_REC_COUNT;
u32 usage = 1;
@ -461,6 +460,21 @@ static enum _ecore_status_t ecore_db_rec_attn(struct ecore_hwfn *p_hwfn,
return ECORE_TIMEOUT;
}
return ECORE_SUCCESS;
}
/* assumes sticky overflow indication was set for this PF */
static enum _ecore_status_t ecore_db_rec_attn(struct ecore_hwfn *p_hwfn,
struct ecore_ptt *p_ptt)
{
enum _ecore_status_t rc;
if (ecore_edpm_enabled(p_hwfn)) {
rc = ecore_db_rec_flush_queue(p_hwfn, p_ptt);
if (rc != ECORE_SUCCESS)
return rc;
}
/* flush any pedning (e)dpm as they may never arrive */
ecore_wr(p_hwfn, p_ptt, DORQ_REG_DPM_FORCE_ABORT, 0x1);