Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / net / ethernet / adi / bfin_mac.h

diff --git a/kernel/drivers/net/ethernet/adi/bfin_mac.h b/kernel/drivers/net/ethernet/adi/bfin_mac.h
new file mode 100644 (file)
index 0000000..d1217db
--- /dev/null
+++ b/kernel/drivers/net/ethernet/adi/bfin_mac.h
@@ -0,0 +1,112 @@
+/*
+ * 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/ptp_clock_kernel.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)
+#define BFIN_MAC_RX_IRQ_DISABLED       1
+
+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;
+       struct napi_struct napi;
+       unsigned long flags;
+
+       /* 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)
+       u32 addend;
+       unsigned int shift;
+       s32 max_ppb;
+       struct hwtstamp_config stamp_cfg;
+       struct ptp_clock_info caps;
+       struct ptp_clock *clock;
+       int phc_index;
+       spinlock_t phc_lock; /* protects time lo/hi registers */
+#endif
+};
+
+int bfin_get_ether_addr(char *addr);
+
+#endif