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: Phil Sutter <n0-1@freewrt.org> Acked-by: Florian Fainelli <florian@openwrt.org Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -84,7 +84,10 @@
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#define KORINA_NUM_RDS 64 /* number of receive descriptors */
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#define KORINA_NUM_TDS 64 /* number of transmit descriptors */
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#define KORINA_RBSIZE 536 /* size of one resource buffer = Ether MTU */
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/* KORINA_RBSIZE is the hardware's default maximum receive
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* frame size in bytes. Having this hardcoded means that there
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* is no support for MTU sizes greater than 1500. */
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#define KORINA_RBSIZE 1536 /* size of one resource buffer = Ether MTU */
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#define KORINA_RDS_MASK (KORINA_NUM_RDS - 1)
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#define KORINA_TDS_MASK (KORINA_NUM_TDS - 1)
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#define RD_RING_SIZE (KORINA_NUM_RDS * sizeof(struct dma_desc))
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