* [dpdk-dev] [PATCH] ixgbe: fix ixgbe PCI access endian issue
@ 2015-02-12 1:19 xuelin.shi
2015-02-20 10:53 ` Thomas Monjalon
2015-03-25 6:33 ` Zhang, Helin
0 siblings, 2 replies; 3+ messages in thread
From: xuelin.shi @ 2015-02-12 1:19 UTC (permalink / raw)
To: thomas.monjalon; +Cc: dev
From: Xuelin Shi <xuelin.shi@freescale.com>
ixgbe 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@freescale.com>
---
lib/librte_pmd_ixgbe/ixgbe/ixgbe_osdep.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/lib/librte_pmd_ixgbe/ixgbe/ixgbe_osdep.h b/lib/librte_pmd_ixgbe/ixgbe/ixgbe_osdep.h
index 2d40bfd..f8bfb3f 100644
--- a/lib/librte_pmd_ixgbe/ixgbe/ixgbe_osdep.h
+++ b/lib/librte_pmd_ixgbe/ixgbe/ixgbe_osdep.h
@@ -119,11 +119,11 @@ typedef int bool;
static inline uint32_t ixgbe_read_addr(volatile void* addr)
{
- return IXGBE_PCI_REG(addr);
+ return rte_le_to_cpu_32(IXGBE_PCI_REG(addr));
}
#define IXGBE_PCI_REG_WRITE(reg, value) do { \
- IXGBE_PCI_REG((reg)) = (value); \
+ IXGBE_PCI_REG((reg)) = (rte_cpu_to_le_32(value)); \
} while(0)
#define IXGBE_PCI_REG_ADDR(hw, reg) \
--
1.9.1
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [dpdk-dev] [PATCH] ixgbe: fix ixgbe PCI access endian issue
2015-02-12 1:19 [dpdk-dev] [PATCH] ixgbe: fix ixgbe PCI access endian issue xuelin.shi
@ 2015-02-20 10:53 ` Thomas Monjalon
2015-03-25 6:33 ` Zhang, Helin
1 sibling, 0 replies; 3+ messages in thread
From: Thomas Monjalon @ 2015-02-20 10:53 UTC (permalink / raw)
To: xuelin.shi; +Cc: dev
> ixgbe 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@freescale.com>
Acked-by: Thomas Monjalon <thomas.monjalon@6wind.com>
Applied, thanks
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [dpdk-dev] [PATCH] ixgbe: fix ixgbe PCI access endian issue
2015-02-12 1:19 [dpdk-dev] [PATCH] ixgbe: fix ixgbe PCI access endian issue xuelin.shi
2015-02-20 10:53 ` Thomas Monjalon
@ 2015-03-25 6:33 ` Zhang, Helin
1 sibling, 0 replies; 3+ messages in thread
From: Zhang, Helin @ 2015-03-25 6:33 UTC (permalink / raw)
To: xuelin.shi, thomas.monjalon; +Cc: dev
> -----Original Message-----
> From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of
> xuelin.shi@freescale.com
> Sent: Thursday, February 12, 2015 9:20 AM
> To: thomas.monjalon@6wind.com
> Cc: dev@dpdk.org
> Subject: [dpdk-dev] [PATCH] ixgbe: fix ixgbe PCI access endian issue
>
> From: Xuelin Shi <xuelin.shi@freescale.com>
>
> ixgbe 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@freescale.com>
Acked-by: Helin Zhang <helin.zhang@intel.com>
> ---
> lib/librte_pmd_ixgbe/ixgbe/ixgbe_osdep.h | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/lib/librte_pmd_ixgbe/ixgbe/ixgbe_osdep.h
> b/lib/librte_pmd_ixgbe/ixgbe/ixgbe_osdep.h
> index 2d40bfd..f8bfb3f 100644
> --- a/lib/librte_pmd_ixgbe/ixgbe/ixgbe_osdep.h
> +++ b/lib/librte_pmd_ixgbe/ixgbe/ixgbe_osdep.h
> @@ -119,11 +119,11 @@ typedef int bool;
>
> static inline uint32_t ixgbe_read_addr(volatile void* addr) {
> - return IXGBE_PCI_REG(addr);
> + return rte_le_to_cpu_32(IXGBE_PCI_REG(addr));
> }
>
> #define IXGBE_PCI_REG_WRITE(reg, value) do { \
> - IXGBE_PCI_REG((reg)) = (value); \
> + IXGBE_PCI_REG((reg)) = (rte_cpu_to_le_32(value)); \
> } while(0)
>
> #define IXGBE_PCI_REG_ADDR(hw, reg) \
> --
> 1.9.1
^ permalink raw reply [flat|nested] 3+ messages in thread
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2015-02-20 10:53 ` Thomas Monjalon
2015-03-25 6:33 ` Zhang, Helin
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