netxen: fix skb alloc size for legacy firmware
Request 1532 bytes skb data size for NX3031. NX2031 firmware
needs 1760 sized buffers.
Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h
index b58d0b2..e7702f6 100644
--- a/drivers/net/netxen/netxen_nic.h
+++ b/drivers/net/netxen/netxen_nic.h
@@ -143,18 +143,13 @@
#define NX_ETHERMTU 1500
#define NX_MAX_ETHERHDR 32 /* This contains some padding */
-#define NX_RX_NORMAL_BUF_MAX_LEN (NX_MAX_ETHERHDR + NX_ETHERMTU)
+#define NX_P2_RX_BUF_MAX_LEN 1760
+#define NX_P3_RX_BUF_MAX_LEN (NX_MAX_ETHERHDR + NX_ETHERMTU)
#define NX_P2_RX_JUMBO_BUF_MAX_LEN (NX_MAX_ETHERHDR + P2_MAX_MTU)
#define NX_P3_RX_JUMBO_BUF_MAX_LEN (NX_MAX_ETHERHDR + P3_MAX_MTU)
#define NX_CT_DEFAULT_RX_BUF_LEN 2048
-#define MAX_RX_BUFFER_LENGTH 1760
-#define MAX_RX_JUMBO_BUFFER_LENGTH 8062
-#define MAX_RX_LRO_BUFFER_LENGTH (8062)
-#define RX_DMA_MAP_LEN (MAX_RX_BUFFER_LENGTH - 2)
-#define RX_JUMBO_DMA_MAP_LEN \
- (MAX_RX_JUMBO_BUFFER_LENGTH - 2)
-#define RX_LRO_DMA_MAP_LEN (MAX_RX_LRO_BUFFER_LENGTH - 2)
+#define NX_RX_LRO_BUFFER_LENGTH (8060)
/*
* Maximum number of ring contexts
diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c
index ef7f1b1..a6b244a 100644
--- a/drivers/net/netxen/netxen_nic_init.c
+++ b/drivers/net/netxen/netxen_nic_init.c
@@ -247,9 +247,14 @@
rds_ring->skb_size =
NX_CT_DEFAULT_RX_BUF_LEN;
} else {
- rds_ring->dma_size = RX_DMA_MAP_LEN;
+ if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
+ rds_ring->dma_size =
+ NX_P3_RX_BUF_MAX_LEN;
+ else
+ rds_ring->dma_size =
+ NX_P2_RX_BUF_MAX_LEN;
rds_ring->skb_size =
- MAX_RX_BUFFER_LENGTH;
+ rds_ring->dma_size + NET_IP_ALIGN;
}
break;
@@ -267,8 +272,8 @@
case RCV_RING_LRO:
rds_ring->num_desc = adapter->num_lro_rxd;
- rds_ring->dma_size = RX_LRO_DMA_MAP_LEN;
- rds_ring->skb_size = MAX_RX_LRO_BUFFER_LENGTH;
+ rds_ring->dma_size = NX_RX_LRO_BUFFER_LENGTH;
+ rds_ring->skb_size = rds_ring->dma_size + NET_IP_ALIGN;
break;
}