Commit a13b2782 authored by Phil Sutter's avatar Phil Sutter Committed by David S. Miller

korina: reset resource buffer size to 1536

The new value is the one used in the external patch before and allows at
least a standard MTU of 1500 to be handled correctly. Impact of this
change gets visible when bigger packets are to be received, issuing:
| ping -s 492 <IP>
and bigger payload sized led to 100% packet loss.
Signed-off-by: default avatarPhil Sutter <n0-1@freewrt.org>
Acked-by: Florian Fainelli <florian@openwrt.org
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent b96ecfa6
...@@ -84,7 +84,10 @@ ...@@ -84,7 +84,10 @@
#define KORINA_NUM_RDS 64 /* number of receive descriptors */ #define KORINA_NUM_RDS 64 /* number of receive descriptors */
#define KORINA_NUM_TDS 64 /* number of transmit descriptors */ #define KORINA_NUM_TDS 64 /* number of transmit descriptors */
#define KORINA_RBSIZE 536 /* size of one resource buffer = Ether MTU */ /* KORINA_RBSIZE is the hardware's default maximum receive
* frame size in bytes. Having this hardcoded means that there
* is no support for MTU sizes greater than 1500. */
#define KORINA_RBSIZE 1536 /* size of one resource buffer = Ether MTU */
#define KORINA_RDS_MASK (KORINA_NUM_RDS - 1) #define KORINA_RDS_MASK (KORINA_NUM_RDS - 1)
#define KORINA_TDS_MASK (KORINA_NUM_TDS - 1) #define KORINA_TDS_MASK (KORINA_NUM_TDS - 1)
#define RD_RING_SIZE (KORINA_NUM_RDS * sizeof(struct dma_desc)) #define RD_RING_SIZE (KORINA_NUM_RDS * sizeof(struct dma_desc))
......
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