diff options
| -rw-r--r-- | drivers/net/phy/sfp.c | 76 |
1 files changed, 72 insertions, 4 deletions
diff --git a/drivers/net/phy/sfp.c b/drivers/net/phy/sfp.c index 5661226cf75b..4637d980310e 100644 --- a/drivers/net/phy/sfp.c +++ b/drivers/net/phy/sfp.c @@ -60,6 +60,69 @@ enum { SFP_S_TX_DISABLE, }; +static const char * const mod_state_strings[] = { + [SFP_MOD_EMPTY] = "empty", + [SFP_MOD_PROBE] = "probe", + [SFP_MOD_HPOWER] = "hpower", + [SFP_MOD_PRESENT] = "present", + [SFP_MOD_ERROR] = "error", +}; + +static const char *mod_state_to_str(unsigned short mod_state) +{ + if (mod_state >= ARRAY_SIZE(mod_state_strings)) + return "Unknown module state"; + return mod_state_strings[mod_state]; +} + +static const char * const dev_state_strings[] = { + [SFP_DEV_DOWN] = "down", + [SFP_DEV_UP] = "up", +}; + +static const char *dev_state_to_str(unsigned short dev_state) +{ + if (dev_state >= ARRAY_SIZE(dev_state_strings)) + return "Unknown device state"; + return dev_state_strings[dev_state]; +} + +static const char * const event_strings[] = { + [SFP_E_INSERT] = "insert", + [SFP_E_REMOVE] = "remove", + [SFP_E_DEV_DOWN] = "dev_down", + [SFP_E_DEV_UP] = "dev_up", + [SFP_E_TX_FAULT] = "tx_fault", + [SFP_E_TX_CLEAR] = "tx_clear", + [SFP_E_LOS_HIGH] = "los_high", + [SFP_E_LOS_LOW] = "los_low", + [SFP_E_TIMEOUT] = "timeout", +}; + +static const char *event_to_str(unsigned short event) +{ + if (event >= ARRAY_SIZE(event_strings)) + return "Unknown event"; + return event_strings[event]; +} + +static const char * const sm_state_strings[] = { + [SFP_S_DOWN] = "down", + [SFP_S_INIT] = "init", + [SFP_S_WAIT_LOS] = "wait_los", + [SFP_S_LINK_UP] = "link_up", + [SFP_S_TX_FAULT] = "tx_fault", + [SFP_S_REINIT] = "reinit", + [SFP_S_TX_DISABLE] = "rx_disable", +}; + +static const char *sm_state_to_str(unsigned short sm_state) +{ + if (sm_state >= ARRAY_SIZE(sm_state_strings)) + return "Unknown state"; + return sm_state_strings[sm_state]; +} + static const char *gpio_of_names[] = { "mod-def0", "los", @@ -1388,8 +1451,11 @@ static void sfp_sm_event(struct sfp *sfp, unsigned int event) { mutex_lock(&sfp->sm_mutex); - dev_dbg(sfp->dev, "SM: enter %u:%u:%u event %u\n", - sfp->sm_mod_state, sfp->sm_dev_state, sfp->sm_state, event); + dev_dbg(sfp->dev, "SM: enter %s:%s:%s event %s\n", + mod_state_to_str(sfp->sm_mod_state), + dev_state_to_str(sfp->sm_dev_state), + sm_state_to_str(sfp->sm_state), + event_to_str(event)); /* This state machine tracks the insert/remove state of * the module, and handles probing the on-board EEPROM. @@ -1520,8 +1586,10 @@ static void sfp_sm_event(struct sfp *sfp, unsigned int event) break; } - dev_dbg(sfp->dev, "SM: exit %u:%u:%u\n", - sfp->sm_mod_state, sfp->sm_dev_state, sfp->sm_state); + dev_dbg(sfp->dev, "SM: exit %s:%s:%s\n", + mod_state_to_str(sfp->sm_mod_state), + dev_state_to_str(sfp->sm_dev_state), + sm_state_to_str(sfp->sm_state)); mutex_unlock(&sfp->sm_mutex); } |