bnxt_en: Add async. event logic for PHY configuration changes.

If the link settings have been changed by another function sharing the
port, firmware will send us an async. message.  In response, we will
call the new bnxt_init_ethtool_link_settings() function to update
the current settings.

Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 1b86ba8..4b0303a 100644 (file)
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -250,10 +250,12 @@ static const u16 bnxt_vf_req_snif[] = {
 
 static const u16 bnxt_async_events_arr[] = {
        ASYNC_EVENT_CMPL_EVENT_ID_LINK_STATUS_CHANGE,
+       ASYNC_EVENT_CMPL_EVENT_ID_LINK_SPEED_CHANGE,
        ASYNC_EVENT_CMPL_EVENT_ID_PF_DRVR_UNLOAD,
        ASYNC_EVENT_CMPL_EVENT_ID_PORT_CONN_NOT_ALLOWED,
        ASYNC_EVENT_CMPL_EVENT_ID_VF_CFG_CHANGE,
        ASYNC_EVENT_CMPL_EVENT_ID_LINK_SPEED_CFG_CHANGE,
+       ASYNC_EVENT_CMPL_EVENT_ID_PORT_PHY_CFG_CHANGE,
        ASYNC_EVENT_CMPL_EVENT_ID_RESET_NOTIFY,
        ASYNC_EVENT_CMPL_EVENT_ID_ERROR_RECOVERY,
 };
@@ -1968,6 +1970,10 @@ static int bnxt_async_event_process(struct bnxt *bp,
                set_bit(BNXT_LINK_SPEED_CHNG_SP_EVENT, &bp->sp_event);
        }
        /* fall through */
+       case ASYNC_EVENT_CMPL_EVENT_ID_LINK_SPEED_CHANGE:
+       case ASYNC_EVENT_CMPL_EVENT_ID_PORT_PHY_CFG_CHANGE:
+               set_bit(BNXT_LINK_CFG_CHANGE_SP_EVENT, &bp->sp_event);
+               /* fall through */
        case ASYNC_EVENT_CMPL_EVENT_ID_LINK_STATUS_CHANGE:
                set_bit(BNXT_LINK_CHNG_SP_EVENT, &bp->sp_event);
                break;
@@ -10324,6 +10330,10 @@ static void bnxt_sp_task(struct work_struct *work)
                                       &bp->sp_event))
                        bnxt_hwrm_phy_qcaps(bp);
 
+               if (test_and_clear_bit(BNXT_LINK_CFG_CHANGE_SP_EVENT,
+                                      &bp->sp_event))
+                       bnxt_init_ethtool_link_settings(bp);
+
                rc = bnxt_update_link(bp, true);
                mutex_unlock(&bp->link_lock);
                if (rc)

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
index 94c8a92..cab1703 100644 (file)
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
@@ -1763,6 +1763,7 @@ struct bnxt {
 #define BNXT_RING_COAL_NOW_SP_EVENT    17
 #define BNXT_FW_RESET_NOTIFY_SP_EVENT  18
 #define BNXT_FW_EXCEPTION_SP_EVENT     19
+#define BNXT_LINK_CFG_CHANGE_SP_EVENT  21
 
        struct delayed_work     fw_reset_task;
        int                     fw_reset_state;