net/ixgbe/base: add debug traces

[dpdk.git] / drivers / net / ixgbe / base / ixgbe_x550.c

diff --git a/drivers/net/ixgbe/base/ixgbe_x550.c b/drivers/net/ixgbe/base/ixgbe_x550.c
index e15054b..6f9c034 100644 (file)
--- a/drivers/net/ixgbe/base/ixgbe_x550.c
+++ b/drivers/net/ixgbe/base/ixgbe_x550.c
@@ -1311,13 +1311,20 @@ s32 ixgbe_get_phy_token(struct ixgbe_hw *hw)
                                              sizeof(token_cmd),
                                              IXGBE_HI_COMMAND_TIMEOUT,
                                              true);
-       if (status)
+       if (status) {
+               DEBUGOUT1("Issuing host interface command failed with Status = %d\n",
+                         status);
                return status;
+       }
        if (token_cmd.hdr.cmd_or_resp.ret_status == FW_PHY_TOKEN_OK)
                return IXGBE_SUCCESS;
-       if (token_cmd.hdr.cmd_or_resp.ret_status != FW_PHY_TOKEN_RETRY)
+       if (token_cmd.hdr.cmd_or_resp.ret_status != FW_PHY_TOKEN_RETRY) {
+               DEBUGOUT1("Host interface command returned 0x%08x , returning IXGBE_ERR_FW_RESP_INVALID\n",
+                         token_cmd.hdr.cmd_or_resp.ret_status);
                return IXGBE_ERR_FW_RESP_INVALID;
+       }
 
+       DEBUGOUT("Returning  IXGBE_ERR_TOKEN_RETRY\n");
        return IXGBE_ERR_TOKEN_RETRY;
 }
 
@@ -2495,9 +2502,10 @@ s32 ixgbe_reset_hw_X550em(struct ixgbe_hw *hw)
 
        /* Call adapter stop to disable Tx/Rx and clear interrupts */
        status = hw->mac.ops.stop_adapter(hw);
-       if (status != IXGBE_SUCCESS)
+       if (status != IXGBE_SUCCESS) {
+               DEBUGOUT1("Failed to stop adapter, STATUS = %d\n", status);
                return status;
-
+       }
        /* flush pending Tx transactions */
        ixgbe_clear_tx_pending(hw);
 
@@ -2506,14 +2514,23 @@ s32 ixgbe_reset_hw_X550em(struct ixgbe_hw *hw)
        /* PHY ops must be identified and initialized prior to reset */
        status = hw->phy.ops.init(hw);
 
-       if (status == IXGBE_ERR_SFP_NOT_SUPPORTED)
+       if (status)
+               DEBUGOUT1("Failed to initialize PHY ops, STATUS = %d\n",
+                         status);
+
+       if (status == IXGBE_ERR_SFP_NOT_SUPPORTED) {
+               DEBUGOUT("Returning from reset HW since PHY ops init returned IXGBE_ERR_SFP_NOT_SUPPORTED\n");
                return status;
+       }
 
        /* start the external PHY */
        if (hw->phy.type == ixgbe_phy_x550em_ext_t) {
                status = ixgbe_init_ext_t_x550em(hw);
-               if (status)
+               if (status) {
+                       DEBUGOUT1("Failed to start the external PHY, STATUS = %d\n",
+                                 status);
                        return status;
+               }
        }
 
        /* Setup SFP module if there is one present. */
@@ -2587,6 +2604,9 @@ mac_reset_top:
        if (hw->device_id == IXGBE_DEV_ID_X550EM_X_SFP)
                ixgbe_setup_mux_ctl(hw);
 
+       if (status != IXGBE_SUCCESS)
+               DEBUGOUT1("Reset HW failed, STATUS = %d\n", status);
+
        return status;
 }
 
@@ -4336,21 +4356,34 @@ STATIC s32 ixgbe_acquire_swfw_sync_X550a(struct ixgbe_hw *hw, u32 mask)
                status = IXGBE_SUCCESS;
                if (hmask)
                        status = ixgbe_acquire_swfw_sync_X540(hw, hmask);
-               if (status)
+               if (status) {
+                       DEBUGOUT1("Could not acquire SWFW semaphore, Status = %d\n",
+                                 status);
                        return status;
+               }
                if (!(mask & IXGBE_GSSR_TOKEN_SM))
                        return IXGBE_SUCCESS;
 
                status = ixgbe_get_phy_token(hw);
+               if (status == IXGBE_ERR_TOKEN_RETRY)
+                       DEBUGOUT1("Could not acquire PHY token, Status = %d\n",
+                                 status);
+
                if (status == IXGBE_SUCCESS)
                        return IXGBE_SUCCESS;
 
                if (hmask)
                        ixgbe_release_swfw_sync_X540(hw, hmask);
-               if (status != IXGBE_ERR_TOKEN_RETRY)
+
+               if (status != IXGBE_ERR_TOKEN_RETRY) {
+                       DEBUGOUT1("Unable to retry acquiring the PHY token, Status = %d\n",
+                                 status);
                        return status;
+               }
        }
 
+       DEBUGOUT1("Semaphore acquisition retries failed!: PHY ID = 0x%08X\n",
+                 hw->phy.id);
        return status;
 }