From 032dc41ba6e2744a8105e1743607fc4ee155278d Mon Sep 17 00:00:00 2001
From: Harini Katakam <harini.katakam@xilinx.com>
Date: Sat, 27 Jan 2018 12:09:01 +0530
Subject: net: macb: Handle HRESP error

Handle HRESP error by doing a SW reset of RX and TX and
re-initializing the descriptors, RX and TX queue pointers.

Signed-off-by: Harini Katakam <harinik@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ethernet/cadence/macb.h | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'drivers/net/ethernet/cadence/macb.h')

diff --git a/drivers/net/ethernet/cadence/macb.h b/drivers/net/ethernet/cadence/macb.h
index c50c5ec49b1d..86659823b259 100644
--- a/drivers/net/ethernet/cadence/macb.h
+++ b/drivers/net/ethernet/cadence/macb.h
@@ -13,6 +13,7 @@
 #include <linux/phy.h>
 #include <linux/ptp_clock_kernel.h>
 #include <linux/net_tstamp.h>
+#include <linux/interrupt.h>
 
 #if defined(CONFIG_ARCH_DMA_ADDR_T_64BIT) || defined(CONFIG_MACB_USE_HWSTAMP)
 #define MACB_EXT_DESC
@@ -1200,6 +1201,8 @@ struct macb {
 	struct ethtool_rx_fs_list rx_fs_list;
 	spinlock_t rx_fs_lock;
 	unsigned int max_tuples;
+
+	struct tasklet_struct	hresp_err_tasklet;
 };
 
 #ifdef CONFIG_MACB_USE_HWSTAMP
-- 
cgit