[PATCH net-next 3/7] bnxt_en: Add a callback to inform RDMA driver during PCI shutdown.

[Michael Chan]

When bnxt_en gets a PCI shutdown call, we need to have a new callback
to inform the RDMA driver to do proper shutdown and removal.

Signed-off-by: Michael Chan <michael.c...@broadcom.com>
---
 drivers/net/ethernet/broadcom/bnxt/bnxt.c     |  1 +
 drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c | 19 +++++++++++++++++++
 drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.h |  2 ++
 3 files changed, 22 insertions(+)

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c 
b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index dc10a9a..63d23b6 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -7837,6 +7837,7 @@ static void bnxt_shutdown(struct pci_dev *pdev)
                dev_close(dev);
 
        if (system_state == SYSTEM_POWER_OFF) {
+               bnxt_ulp_shutdown(bp);
                bnxt_clear_int_mode(bp);
                pci_wake_from_d3(pdev, bp->wol);
                pci_set_power_state(pdev, PCI_D3hot);
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c 
b/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c
index 8b7464b..77da75a 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c
@@ -266,6 +266,25 @@ void bnxt_ulp_sriov_cfg(struct bnxt *bp, int num_vfs)
        }
 }
 
+void bnxt_ulp_shutdown(struct bnxt *bp)
+{
+       struct bnxt_en_dev *edev = bp->edev;
+       struct bnxt_ulp_ops *ops;
+       int i;
+
+       if (!edev)
+               return;
+
+       for (i = 0; i < BNXT_MAX_ULP; i++) {
+               struct bnxt_ulp *ulp = &edev->ulp_tbl[i];
+
+               ops = rtnl_dereference(ulp->ulp_ops);
+               if (!ops || !ops->ulp_shutdown)
+                       continue;
+               ops->ulp_shutdown(ulp->handle);
+       }
+}
+
 void bnxt_ulp_async_events(struct bnxt *bp, struct hwrm_async_event_cmpl *cmpl)
 {
        u16 event_id = le16_to_cpu(cmpl->event_id);
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.h 
b/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.h
index 74f816e..d247106 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.h
@@ -26,6 +26,7 @@ struct bnxt_ulp_ops {
        void (*ulp_stop)(void *);
        void (*ulp_start)(void *);
        void (*ulp_sriov_config)(void *, int);
+       void (*ulp_shutdown)(void *);
 };
 
 struct bnxt_msix_entry {
@@ -87,6 +88,7 @@ static inline bool bnxt_ulp_registered(struct bnxt_en_dev 
*edev, int ulp_id)
 void bnxt_ulp_stop(struct bnxt *bp);
 void bnxt_ulp_start(struct bnxt *bp);
 void bnxt_ulp_sriov_cfg(struct bnxt *bp, int num_vfs);
+void bnxt_ulp_shutdown(struct bnxt *bp);
 void bnxt_ulp_async_events(struct bnxt *bp, struct hwrm_async_event_cmpl 
*cmpl);
 struct bnxt_en_dev *bnxt_ulp_probe(struct net_device *dev);
 
-- 
1.8.3.1