> -----Original Message-----
> From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of
> xuelin.shi at freescale.com
> Sent: Thursday, February 12, 2015 9:27 AM
> To: thomas.monjalon at 6wind.com
> Cc: dev at dpdk.org
> Subject: [dpdk-dev] [PATCH] e1000: fix e1000 PCI access endian issue.
>
> From: Xuelin Shi <xuelin.shi at 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>
Acked-by: Helin Zhang <helin.zhang at intel.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
