[PATCH net-next 02/11] ibmvnic: Handle failover after failed init crq

[Nathan Fontenot]

From: John Allen <jal...@linux.vnet.ibm.com>

Handle case where phyp sends a failover after failing to send the
init crq.

Signed-off-by: John Allen <jal...@linux.vnet.ibm.com>
---
 drivers/net/ethernet/ibm/ibmvnic.c |   11 ++++++++++-
 drivers/net/ethernet/ibm/ibmvnic.h |    2 +-
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/ibm/ibmvnic.c 
b/drivers/net/ethernet/ibm/ibmvnic.c
index 4997de4..1f7cf6f 100644
--- a/drivers/net/ethernet/ibm/ibmvnic.c
+++ b/drivers/net/ethernet/ibm/ibmvnic.c
@@ -3167,6 +3167,8 @@ static void ibmvnic_handle_crq(union ibmvnic_crq *crq,
                switch (gen_crq->cmd) {
                case IBMVNIC_CRQ_INIT:
                        dev_info(dev, "Partner initialized\n");
+                       adapter->from_passive_init = true;
+                       complete(&adapter->init_done);
                        break;
                case IBMVNIC_CRQ_INIT_COMPLETE:
                        dev_info(dev, "Partner initialization complete\n");
@@ -3481,11 +3483,18 @@ static int ibmvnic_init(struct ibmvnic_adapter *adapter)
                return rc;
        }
 
+       adapter->from_passive_init = false;
+
        init_completion(&adapter->init_done);
        ibmvnic_send_crq_init(adapter);
        if (!wait_for_completion_timeout(&adapter->init_done, timeout)) {
                dev_err(dev, "Initialization sequence timed out\n");
-               release_crq_queue(adapter);
+               return -1;
+       }
+
+       if (adapter->from_passive_init) {
+               adapter->state = VNIC_OPEN;
+               adapter->from_passive_init = false;
                return -1;
        }
 
diff --git a/drivers/net/ethernet/ibm/ibmvnic.h 
b/drivers/net/ethernet/ibm/ibmvnic.h
index 4816e04..fa6ac4e 100644
--- a/drivers/net/ethernet/ibm/ibmvnic.h
+++ b/drivers/net/ethernet/ibm/ibmvnic.h
@@ -1031,5 +1031,5 @@ struct ibmvnic_adapter {
        struct list_head rwi_list;
        struct work_struct ibmvnic_reset;
        bool resetting;
-       bool napi_enabled;
+       bool napi_enabled, from_passive_init;
 };