qed: Fix mask for physical address in ILT entry
authorShahed Shaikh <shahed.shaikh@cavium.com>
Mon, 21 May 2018 19:31:47 +0000 (12:31 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 13 Jun 2018 14:16:43 +0000 (16:16 +0200)
[ Upstream commit fdd13dd350dda1826579eb5c333d76b14513b812 ]

ILT entry requires 12 bit right shifted physical address.
Existing mask for ILT entry of physical address i.e.
ILT_ENTRY_PHY_ADDR_MASK is not sufficient to handle 64bit
address because upper 8 bits of 64 bit address were getting
masked which resulted in completer abort error on
PCIe bus due to invalid address.

Fix that mask to handle 64bit physical address.

Fixes: fe56b9e6a8d9 ("qed: Add module with basic common support")
Signed-off-by: Shahed Shaikh <shahed.shaikh@cavium.com>
Signed-off-by: Ariel Elior <ariel.elior@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/net/ethernet/qlogic/qed/qed_cxt.c

index 457e304..f1956c4 100644 (file)
@@ -54,7 +54,7 @@
 #define ILT_CFG_REG(cli, reg)  PSWRQ2_REG_ ## cli ## _ ## reg ## _RT_OFFSET
 
 /* ILT entry structure */
-#define ILT_ENTRY_PHY_ADDR_MASK                0x000FFFFFFFFFFFULL
+#define ILT_ENTRY_PHY_ADDR_MASK                (~0ULL >> 12)
 #define ILT_ENTRY_PHY_ADDR_SHIFT       0
 #define ILT_ENTRY_VALID_MASK           0x1ULL
 #define ILT_ENTRY_VALID_SHIFT          52