diff options
Diffstat (limited to 'src/plugins/avf/device.c')
| -rw-r--r-- | src/plugins/avf/device.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/src/plugins/avf/device.c b/src/plugins/avf/device.c index e4c49da8fa0..2a86bed4a7a 100644 --- a/src/plugins/avf/device.c +++ b/src/plugins/avf/device.c @@ -101,10 +101,9 @@ clib_error_t * avf_aq_desc_enq (vlib_main_t * vm, avf_device_t * ad, avf_aq_desc_t * dt, void *data, int len) { - avf_main_t *am = &avf_main; clib_error_t *err = 0; avf_aq_desc_t *d, dc; - int n_retry = 5; + f64 t0, wait_time, suspend_time = AVF_AQ_ENQ_SUSPEND_TIME; d = &ad->atq[ad->atq_next_slot]; clib_memcpy_fast (d, dt, sizeof (avf_aq_desc_t)); @@ -126,22 +125,24 @@ avf_aq_desc_enq (vlib_main_t * vm, avf_device_t * ad, avf_aq_desc_t * dt, clib_memcpy_fast (&dc, d, sizeof (avf_aq_desc_t)); CLIB_MEMORY_BARRIER (); - vlib_log_debug (am->log_class, "%U", format_hexdump, data, len); ad->atq_next_slot = (ad->atq_next_slot + 1) % AVF_MBOX_LEN; avf_reg_write (ad, AVF_ATQT, ad->atq_next_slot); avf_reg_flush (ad); + t0 = vlib_time_now (vm); retry: - vlib_process_suspend (vm, 10e-6); + vlib_process_suspend (vm, suspend_time); + wait_time = vlib_time_now (vm) - t0; if (((d->flags & AVF_AQ_F_DD) == 0) || ((d->flags & AVF_AQ_F_CMP) == 0)) { - if (--n_retry == 0) + if (wait_time > AVF_AQ_ENQ_MAX_WAIT_TIME) { err = clib_error_return (0, "adminq enqueue timeout [opcode 0x%x]", d->opcode); goto done; } + suspend_time *= 2; goto retry; } |