qlcnic: Dump mailbox registers when mailbox command times out.

Signed-off-by: Manish Chopra <manish.chopra@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
index ab66e7f3e01e3cf077ebf6813b87057d354210e4..6055d397a29edf70317299e83966aba18b6ff5dc 100644 (file)
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
@@ -3734,6 +3734,19 @@ static void qlcnic_83xx_decode_mbx_rsp(struct qlcnic_adapter *adapter,
        return;
 }
 
+static inline void qlcnic_dump_mailbox_registers(struct qlcnic_adapter *adapter)
+{
+       struct qlcnic_hardware_context *ahw = adapter->ahw;
+       u32 offset;
+
+       offset = QLCRDX(ahw, QLCNIC_DEF_INT_MASK);
+       dev_info(&adapter->pdev->dev, "Mbx interrupt mask=0x%x, Mbx interrupt enable=0x%x, Host mbx control=0x%x, Fw mbx control=0x%x",
+                readl(ahw->pci_base0 + offset),
+                QLCRDX(ahw, QLCNIC_MBX_INTR_ENBL),
+                QLCRDX(ahw, QLCNIC_HOST_MBX_CTRL),
+                QLCRDX(ahw, QLCNIC_FW_MBX_CTRL));
+}
+
 static void qlcnic_83xx_mailbox_worker(struct work_struct *work)
 {
        struct qlcnic_mailbox *mbx = container_of(work, struct qlcnic_mailbox,
@@ -3778,6 +3791,8 @@ static void qlcnic_83xx_mailbox_worker(struct work_struct *work)
                                __func__, cmd->cmd_op, cmd->type, ahw->pci_func,
                                ahw->op_mode);
                        clear_bit(QLC_83XX_MBX_READY, &mbx->status);
+                       qlcnic_dump_mailbox_registers(adapter);
+                       qlcnic_83xx_get_mbx_data(adapter, cmd);
                        qlcnic_dump_mbx(adapter, cmd);
                        qlcnic_83xx_idc_request_reset(adapter,
                                                      QLCNIC_FORCE_FW_DUMP_KEY);