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

[Patrick Wildt]

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>
---

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)
-- 
2.28.0