[dpdk-dev] [PATCH 2/3] net/ixgbe: add support for aarch32

[Ferruh Yigit]

On 4/24/2020 7:50 AM, Ruifeng Wang wrote:
> Expand vector PMD support to aarch32.
> 
> Signed-off-by: Ruifeng Wang <ruifeng.wang at arm.com>
> Reviewed-by: Gavin Hu <gavin.hu at arm.com>
> ---
>  drivers/net/ixgbe/ixgbe_rxtx.h | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/net/ixgbe/ixgbe_rxtx.h b/drivers/net/ixgbe/ixgbe_rxtx.h
> index 20a8b291d..7e09291b2 100644
> --- a/drivers/net/ixgbe/ixgbe_rxtx.h
> +++ b/drivers/net/ixgbe/ixgbe_rxtx.h
> @@ -33,7 +33,7 @@
>  
>  #define RTE_IXGBE_DESCS_PER_LOOP    4
>  
> -#if defined(RTE_ARCH_X86) || defined(RTE_ARCH_ARM64)
> +#if defined(RTE_ARCH_X86) || defined(RTE_ARCH_ARM64) || defined(RTE_ARCH_ARM)
>  #define RTE_IXGBE_RXQ_REARM_THRESH      32
>  #define RTE_IXGBE_MAX_RX_BURST          RTE_IXGBE_RXQ_REARM_THRESH
>  #endif
> @@ -117,7 +117,7 @@ struct ixgbe_rx_queue {
>  	uint8_t            using_ipsec;
>  	/**< indicates that IPsec RX feature is in use */
>  #endif
> -#if defined(RTE_ARCH_X86) || defined(RTE_ARCH_ARM64)
> +#if defined(RTE_ARCH_X86) || defined(RTE_ARCH_ARM64) || defined(RTE_ARCH_ARM)
>  	uint16_t            rxrearm_nb;     /**< number of remaining to be re-armed */
>  	uint16_t            rxrearm_start;  /**< the idx we start the re-arming from */
>  #endif
> 


This is not enough for Make build, since it doesn't compile
'ixgbe_rxtx_vec_neon.c' for 'RTE_ARCH_ARM', it needs to be updated.


btw, also should IXGBE_PMD enabled by default
'defconfig_arm-armv7a-linuxapp-gcc'? Which is by default disabled currently.