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 (file)
--- 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 (file)
--- a/drivers/net/netxen/netxen_nic_init.c
+++ b/drivers/net/netxen/netxen_nic_init.c
@@ -247,9 +247,14 @@ int netxen_alloc_sw_resources(struct netxen_adapter *adapter)
                                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 @@ int netxen_alloc_sw_resources(struct netxen_adapter *adapter)
 
                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;
 
                }