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path: root/drivers/net/ethernet/adi/bfin_mac.h
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Diffstat (limited to 'drivers/net/ethernet/adi/bfin_mac.h')
-rw-r--r--drivers/net/ethernet/adi/bfin_mac.h106
1 files changed, 106 insertions, 0 deletions
diff --git a/drivers/net/ethernet/adi/bfin_mac.h b/drivers/net/ethernet/adi/bfin_mac.h
new file mode 100644
index 000000000000..f8559ac9a403
--- /dev/null
+++ b/drivers/net/ethernet/adi/bfin_mac.h
@@ -0,0 +1,106 @@
+/*
+ * Blackfin On-Chip MAC Driver
+ *
+ * Copyright 2004-2007 Analog Devices Inc.
+ *
+ * Enter bugs at http://blackfin.uclinux.org/
+ *
+ * Licensed under the GPL-2 or later.
+ */
+#ifndef _BFIN_MAC_H_
+#define _BFIN_MAC_H_
+
+#include <linux/net_tstamp.h>
+#include <linux/clocksource.h>
+#include <linux/timecompare.h>
+#include <linux/timer.h>
+#include <linux/etherdevice.h>
+#include <linux/bfin_mac.h>
+
+/*
+ * Disable hardware checksum for bug #5600 if writeback cache is
+ * enabled. Otherwize, corrupted RX packet will be sent up stack
+ * without error mark.
+ */
+#ifndef CONFIG_BFIN_EXTMEM_WRITEBACK
+#define BFIN_MAC_CSUM_OFFLOAD
+#endif
+
+#define TX_RECLAIM_JIFFIES (HZ / 5)
+
+struct dma_descriptor {
+ struct dma_descriptor *next_dma_desc;
+ unsigned long start_addr;
+ unsigned short config;
+ unsigned short x_count;
+};
+
+struct status_area_rx {
+#if defined(BFIN_MAC_CSUM_OFFLOAD)
+ unsigned short ip_hdr_csum; /* ip header checksum */
+ /* ip payload(udp or tcp or others) checksum */
+ unsigned short ip_payload_csum;
+#endif
+ unsigned long status_word; /* the frame status word */
+};
+
+struct status_area_tx {
+ unsigned long status_word; /* the frame status word */
+};
+
+/* use two descriptors for a packet */
+struct net_dma_desc_rx {
+ struct net_dma_desc_rx *next;
+ struct sk_buff *skb;
+ struct dma_descriptor desc_a;
+ struct dma_descriptor desc_b;
+ struct status_area_rx status;
+};
+
+/* use two descriptors for a packet */
+struct net_dma_desc_tx {
+ struct net_dma_desc_tx *next;
+ struct sk_buff *skb;
+ struct dma_descriptor desc_a;
+ struct dma_descriptor desc_b;
+ unsigned char packet[1560];
+ struct status_area_tx status;
+};
+
+struct bfin_mac_local {
+ /*
+ * these are things that the kernel wants me to keep, so users
+ * can find out semi-useless statistics of how well the card is
+ * performing
+ */
+ struct net_device_stats stats;
+
+ spinlock_t lock;
+
+ int wol; /* Wake On Lan */
+ int irq_wake_requested;
+ struct timer_list tx_reclaim_timer;
+ struct net_device *ndev;
+
+ /* Data for EMAC_VLAN1 regs */
+ u16 vlan1_mask, vlan2_mask;
+
+ /* MII and PHY stuffs */
+ int old_link; /* used by bf537_adjust_link */
+ int old_speed;
+ int old_duplex;
+
+ struct phy_device *phydev;
+ struct mii_bus *mii_bus;
+
+#if defined(CONFIG_BFIN_MAC_USE_HWSTAMP)
+ struct cyclecounter cycles;
+ struct timecounter clock;
+ struct timecompare compare;
+ struct hwtstamp_config stamp_cfg;
+#endif
+};
+
+extern void bfin_get_ether_addr(char *addr);
+
+#endif