[dpdk-dev] [PATCH v3 25/29] net/nfp: use eal I/O device memory read/write API
Alejandro Lucero
alejandro.lucero at netronome.com
Thu Jan 12 11:53:17 CET 2017
Hi,
I've tried to find out which dpdk repo should I use for testing this change
with NFP PMD.
It seems rte_read/write functions are not with last dpdk main repo, nor
with dpdk-net-next.
Can someone tell me which repo should I use?
On Thu, Jan 12, 2017 at 9:17 AM, Jerin Jacob <jerin.jacob at caviumnetworks.com
> wrote:
> From: Santosh Shukla <santosh.shukla at caviumnetworks.com>
>
> Replace the raw I/O device memory read/write access with eal
> abstraction for I/O device memory read/write access to fix
> portability issues across different architectures.
>
> CC: Alejandro Lucero <alejandro.lucero at netronome.com>
> Signed-off-by: Santosh Shukla <santosh.shukla at caviumnetworks.com>
> Signed-off-by: Jerin Jacob <jerin.jacob at caviumnetworks.com>
> ---
> drivers/net/nfp/nfp_net_pmd.h | 9 +++++----
> 1 file changed, 5 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/net/nfp/nfp_net_pmd.h b/drivers/net/nfp/nfp_net_pmd.h
> index c180972..f11b32e 100644
> --- a/drivers/net/nfp/nfp_net_pmd.h
> +++ b/drivers/net/nfp/nfp_net_pmd.h
> @@ -121,25 +121,26 @@ struct nfp_net_adapter;
> #define NFD_CFG_MINOR_VERSION_of(x) (((x) >> 0) & 0xff)
>
> #include <linux/types.h>
> +#include <rte_io.h>
>
> static inline uint8_t nn_readb(volatile const void *addr)
> {
> - return *((volatile const uint8_t *)(addr));
> + return rte_read8(addr);
> }
>
> static inline void nn_writeb(uint8_t val, volatile void *addr)
> {
> - *((volatile uint8_t *)(addr)) = val;
> + rte_write8(val, addr);
> }
>
> static inline uint32_t nn_readl(volatile const void *addr)
> {
> - return *((volatile const uint32_t *)(addr));
> + return rte_read32(addr);
> }
>
> static inline void nn_writel(uint32_t val, volatile void *addr)
> {
> - *((volatile uint32_t *)(addr)) = val;
> + rte_write32(val, addr);
> }
>
> static inline uint64_t nn_readq(volatile void *addr)
> --
> 2.5.5
>
>
More information about the dev
mailing list