[PATCH v3 1/2] net: add a define for the number of packets received as batch

Heinrich Schuchardt xypron.glpk at gmx.de
Wed Oct 7 12:51:55 CEST 2020


On 07.10.20 11:03, Patrick Wildt wrote:
> With a define for the magic number of packets received as batch
> we can make sure that the EFI network stack caches the same amount
> of packets.
>
> Signed-off-by: Patrick Wildt <patrick at blueri.se>

Reviewed-by: Heinrich Schuchardt <xypron.glpk at gmx.de>

> ---
>
> Changes in v3:
> - Simple rebase to resend patches together.
>
> Changes in v2:
> - Split this commit out of another one.
>
>  include/net.h    | 3 +++
>  net/eth-uclass.c | 2 +-
>  2 files changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/include/net.h b/include/net.h
> index 219107194f..eab4ebdd38 100644
> --- a/include/net.h
> +++ b/include/net.h
> @@ -44,6 +44,9 @@ struct udevice;
>
>  #define PKTALIGN	ARCH_DMA_MINALIGN
>
> +/* Number of packets processed together */
> +#define ETH_PACKETS_BATCH_RECV	32
> +
>  /* ARP hardware address length */
>  #define ARP_HLEN 6
>  /*
> diff --git a/net/eth-uclass.c b/net/eth-uclass.c
> index 396418eb39..963a0beaab 100644
> --- a/net/eth-uclass.c
> +++ b/net/eth-uclass.c
> @@ -380,7 +380,7 @@ int eth_rx(void)
>
>  	/* Process up to 32 packets at one time */
>  	flags = ETH_RECV_CHECK_DEVICE;
> -	for (i = 0; i < 32; i++) {
> +	for (i = 0; i < ETH_PACKETS_BATCH_RECV; i++) {
>  		ret = eth_get_ops(current)->recv(current, flags, &packet);
>  		flags = 0;
>  		if (ret > 0)
>



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