bnxt_en: Handle VF_CFG_CHANGE event from firmware.

When the VF driver gets this event, the VF configuration has changed (such
as default VLAN).  The VF driver will initiate a silent reset to pick up
the new configuration.

Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index e30c43b..51f9e38 100644 (file)
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -125,6 +125,7 @@ static const u16 bnxt_async_events_arr[] = {
        HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_STATUS_CHANGE,
        HWRM_ASYNC_EVENT_CMPL_EVENT_ID_PF_DRVR_UNLOAD,
        HWRM_ASYNC_EVENT_CMPL_EVENT_ID_PORT_CONN_NOT_ALLOWED,
+       HWRM_ASYNC_EVENT_CMPL_EVENT_ID_VF_CFG_CHANGE,
        HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_SPEED_CFG_CHANGE,
 };
 
@@ -1358,6 +1359,11 @@ static int bnxt_async_event_process(struct bnxt *bp,
                set_bit(BNXT_HWRM_PORT_MODULE_SP_EVENT, &bp->sp_event);
                break;
        }
+       case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_VF_CFG_CHANGE:
+               if (BNXT_PF(bp))
+                       goto async_event_process_exit;
+               set_bit(BNXT_RESET_TASK_SILENT_SP_EVENT, &bp->sp_event);
+               break;
        default:
                netdev_err(bp->dev, "unhandled ASYNC event (id 0x%x)\n",
                           event_id);
@@ -5738,6 +5744,9 @@ static void bnxt_sp_task(struct work_struct *work)
        if (test_and_clear_bit(BNXT_RESET_TASK_SP_EVENT, &bp->sp_event))
                bnxt_reset(bp, false);
 
+       if (test_and_clear_bit(BNXT_RESET_TASK_SILENT_SP_EVENT, &bp->sp_event))
+               bnxt_reset(bp, true);
+
        if (test_and_clear_bit(BNXT_HWRM_PORT_MODULE_SP_EVENT, &bp->sp_event))
                bnxt_get_port_module_status(bp);
 

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
index 2824d65..538eb1c 100644 (file)
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
@@ -1018,6 +1018,7 @@ struct bnxt {
 #define BNXT_HWRM_PF_UNLOAD_SP_EVENT   8
 #define BNXT_PERIODIC_STATS_SP_EVENT   9
 #define BNXT_HWRM_PORT_MODULE_SP_EVENT 10
+#define BNXT_RESET_TASK_SILENT_SP_EVENT        11
 
        struct bnxt_pf_info     pf;
 #ifdef CONFIG_BNXT_SRIOV