From: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Date: Wed, 19 Sep 2018 17:43:00 -0700
Subject: ice: Notify VF of link status change
Patch-mainline: v4.20-rc1
Git-commit: 53b8decbb7c83bbfc810cc1b0794267ab98df38b
References: bsc#1118661 FATE#325277

When PF gets a link status change event, notify the VFs of the same.

Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/net/ethernet/intel/ice/ice_main.c        |    2 ++
 drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c |   12 ++++++++++++
 drivers/net/ethernet/intel/ice/ice_virtchnl_pf.h |    3 +++
 3 files changed, 17 insertions(+)

--- a/drivers/net/ethernet/intel/ice/ice_main.c
+++ b/drivers/net/ethernet/intel/ice/ice_main.c
@@ -665,6 +665,8 @@ ice_link_event(struct ice_pf *pf, struct
 		}
 	}
 
+	ice_vc_notify_link_state(pf);
+
 	return 0;
 }
 
--- a/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c
+++ b/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c
@@ -888,6 +888,18 @@ static bool ice_reset_vf(struct ice_vf *
 }
 
 /**
+ * ice_vc_notify_link_state - Inform all VFs on a PF of link status
+ * @pf: pointer to the PF structure
+ */
+void ice_vc_notify_link_state(struct ice_pf *pf)
+{
+	int i;
+
+	for (i = 0; i < pf->num_alloc_vfs; i++)
+		ice_vc_notify_vf_link_state(&pf->vf[i]);
+}
+
+/**
  * ice_vc_notify_reset - Send pending reset message to all VFs
  * @pf: pointer to the PF structure
  *
--- a/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.h
+++ b/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.h
@@ -78,6 +78,7 @@ int ice_get_vf_cfg(struct net_device *ne
 
 void ice_free_vfs(struct ice_pf *pf);
 void ice_vc_process_vf_msg(struct ice_pf *pf, struct ice_rq_event_info *event);
+void ice_vc_notify_link_state(struct ice_pf *pf);
 void ice_vc_notify_reset(struct ice_pf *pf);
 bool ice_reset_all_vfs(struct ice_pf *pf, bool is_vflr);
 
@@ -96,7 +97,9 @@ int ice_set_vf_spoofchk(struct net_devic
 #define ice_process_vflr_event(pf) do {} while (0)
 #define ice_free_vfs(pf) do {} while (0)
 #define ice_vc_process_vf_msg(pf, event) do {} while (0)
+#define ice_vc_notify_link_state(pf) do {} while (0)
 #define ice_vc_notify_reset(pf) do {} while (0)
+
 static inline bool
 ice_reset_all_vfs(struct ice_pf __always_unused *pf,
 		  bool __always_unused is_vflr)