[dpdk-dev] [PATCH] e1000: fix e1000 PCI access endian issue.

[xuelin....@freescale.com]

From: Xuelin Shi <xuelin....@freescale.com>

e1000 is little endian, but cpu maybe not.
add necessary conversions.

rte_cpu_to_le_32(...) for PCI write
rte_le_to_cpu_32(...) for PCI read.

Signed-off-by: Xuelin Shi <xuelin.shi at freescale.com>
---
 lib/librte_pmd_e1000/e1000/e1000_osdep.h | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/librte_pmd_e1000/e1000/e1000_osdep.h 
b/lib/librte_pmd_e1000/e1000/e1000_osdep.h
index 438641e..d04ec73 100644
--- a/lib/librte_pmd_e1000/e1000/e1000_osdep.h
+++ b/lib/librte_pmd_e1000/e1000/e1000_osdep.h
@@ -43,6 +43,7 @@
 #include <rte_cycles.h>
 #include <rte_log.h>
 #include <rte_debug.h>
+#include <rte_byteorder.h>

 #include "../e1000_logs.h"

@@ -96,7 +97,7 @@ typedef int           bool;
 #define E1000_PCI_REG(reg) (*((volatile uint32_t *)(reg)))

 #define E1000_PCI_REG_WRITE(reg, value) do { \
-       E1000_PCI_REG((reg)) = (value); \
+       E1000_PCI_REG((reg)) = (rte_cpu_to_le_32(value)); \
 } while (0)

 #define E1000_PCI_REG_ADDR(hw, reg) \
@@ -107,7 +108,7 @@ typedef int         bool;

 static inline uint32_t e1000_read_addr(volatile void* addr)
 {
-       return E1000_PCI_REG(addr);
+       return rte_le_to_cpu_32(E1000_PCI_REG(addr));
 }

 /* Necessary defines */
-- 
1.9.1