RDMA/cxgb3: Handle port events properly

Massage the err_handler upcall into an event handler upcall, pass
netdev port events to the cxgb3 ULPs and generate RDMA port events
based on LLD port events.

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

1 files changed, 20 insertions, 8 deletions

diff --git a/drivers/infiniband/hw/cxgb3/iwch.c b/drivers/infiniband/hw/cxgb3/iwch.c
index 26fc0a4eaa74..5796170b0b25 100644
--- a/drivers/infiniband/hw/cxgb3/iwch.c
+++ b/drivers/infiniband/hw/cxgb3/iwch.c
@@ -51,7 +51,7 @@ cxgb3_cpl_handler_func t3c_handlers[NUM_CPL_CMDS];
 
 static void open_rnic_dev(struct t3cdev *);
 static void close_rnic_dev(struct t3cdev *);
-static void iwch_err_handler(struct t3cdev *, u32, u32);
+static void iwch_event_handler(struct t3cdev *, u32, u32);
 
 struct cxgb3_client t3c_client = {
         .name = "iw_cxgb3",
@@ -59,7 +59,7 @@ struct cxgb3_client t3c_client = {
         .remove = close_rnic_dev,
         .handlers = t3c_handlers,
         .redirect = iwch_ep_redirect,
-        .err_handler = iwch_err_handler
+        .event_handler = iwch_event_handler
 };
 
 static LIST_HEAD(dev_list);
@@ -162,21 +162,33 @@ static void close_rnic_dev(struct t3cdev *tdev)
         mutex_unlock(&dev_mutex);
 }
 
-static void iwch_err_handler(struct t3cdev *tdev, u32 status, u32 error)
+static void iwch_event_handler(struct t3cdev *tdev, u32 evt, u32 port_id)
 {
         struct cxio_rdev *rdev = tdev->ulp;
         struct iwch_dev *rnicp = rdev_to_iwch_dev(rdev);
         struct ib_event event;
+        u32    portnum = port_id + 1;
 
-        if (status == OFFLOAD_STATUS_DOWN) {
+        switch (evt) {
+        case OFFLOAD_STATUS_DOWN: {
                 rdev->flags = CXIO_ERROR_FATAL;
-
-                event.device = &rnicp->ibdev;
                 event.event  = IB_EVENT_DEVICE_FATAL;
-                event.element.port_num = 0;
-                ib_dispatch_event(&event);
+                break;
+                }
+        case OFFLOAD_PORT_DOWN: {
+                event.event  = IB_EVENT_PORT_ERR;
+                break;
+                }
+        case OFFLOAD_PORT_UP: {
+                event.event  = IB_EVENT_PORT_ACTIVE;
+                break;
+                }
         }
 
+        event.device = &rnicp->ibdev;
+        event.element.port_num = portnum;
+        ib_dispatch_event(&event);
+
         return;
 }