[patch 2/3 2.5] e100 - use NET_IP_ALIGN to set rx data buffer alignment
From: Ganesh Venkatesan <hidden>
Date: 2004-09-17 09:54:29
diff -up linux-2.5/drivers/net/e100.c linux-2.5/drivers/net/e100.c.new
--- linux-2.5/drivers/net/e100.c 2004-09-09 14:51:31.000000000 -0700
+++ linux-2.5/drivers/net/e100.c.new 2004-09-09 14:51:32.000000000 -0700@@ -1425,14 +1425,12 @@ static inline void e100_start_receiver(s #define RFD_BUF_LEN (sizeof(struct rfd) + VLAN_ETH_FRAME_LEN) static inline int e100_rx_alloc_skb(struct nic *nic, struct rx *rx) { - unsigned int rx_offset = 2; /* u32 align protocol headers */ - - if(!(rx->skb = dev_alloc_skb(RFD_BUF_LEN + rx_offset))) + if(!(rx->skb = dev_alloc_skb(RFD_BUF_LEN + NET_IP_ALIGN))) return -ENOMEM; /* Align, init, and map the RFD. */ rx->skb->dev = nic->netdev; - skb_reserve(rx->skb, rx_offset); + skb_reserve(rx->skb, NET_IP_ALIGN); memcpy(rx->skb->data, &nic->blank_rfd, sizeof(struct rfd)); rx->dma_addr = pci_map_single(nic->pdev, rx->skb->data, RFD_BUF_LEN, PCI_DMA_BIDIRECTIONAL);