diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-02 07:55:08 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-02 07:55:08 -0800 |
commit | 6d6b89bd2e316b78d668f761d380837b81fa71ef (patch) | |
tree | 7e63c58611fc6181153526abbdafdd846ed1a19d /drivers/net/greth.h | |
parent | 13dda80e48439b446d0bc9bab34b91484bc8f533 (diff) | |
parent | 2507c05ff55fbf38326b08ed27eaed233bc75042 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1341 commits)
virtio_net: remove forgotten assignment
be2net: fix tx completion polling
sis190: fix cable detect via link status poll
net: fix protocol sk_buff field
bridge: Fix build error when IGMP_SNOOPING is not enabled
bnx2x: Tx barriers and locks
scm: Only support SCM_RIGHTS on unix domain sockets.
vhost-net: restart tx poll on sk_sndbuf full
vhost: fix get_user_pages_fast error handling
vhost: initialize log eventfd context pointer
vhost: logging thinko fix
wireless: convert to use netdev_for_each_mc_addr
ethtool: do not set some flags, if others failed
ipoib: returned back addrlen check for mc addresses
netlink: Adding inode field to /proc/net/netlink
axnet_cs: add new id
bridge: Make IGMP snooping depend upon BRIDGE.
bridge: Add multicast count/interval sysfs entries
bridge: Add hash elasticity/max sysfs entries
bridge: Add multicast_snooping sysfs toggle
...
Trivial conflicts in Documentation/feature-removal-schedule.txt
Diffstat (limited to 'drivers/net/greth.h')
-rw-r--r-- | drivers/net/greth.h | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/drivers/net/greth.h b/drivers/net/greth.h new file mode 100644 index 00000000000..973388d6abc --- /dev/null +++ b/drivers/net/greth.h @@ -0,0 +1,143 @@ +#ifndef GRETH_H +#define GRETH_H + +#include <linux/phy.h> + +/* Register bits and masks */ +#define GRETH_RESET 0x40 +#define GRETH_MII_BUSY 0x8 +#define GRETH_MII_NVALID 0x10 + +#define GRETH_CTRL_FD 0x10 +#define GRETH_CTRL_PR 0x20 +#define GRETH_CTRL_SP 0x80 +#define GRETH_CTRL_GB 0x100 +#define GRETH_CTRL_PSTATIEN 0x400 +#define GRETH_CTRL_MCEN 0x800 +#define GRETH_CTRL_DISDUPLEX 0x1000 +#define GRETH_STATUS_PHYSTAT 0x100 + +#define GRETH_BD_EN 0x800 +#define GRETH_BD_WR 0x1000 +#define GRETH_BD_IE 0x2000 +#define GRETH_BD_LEN 0x7FF + +#define GRETH_TXEN 0x1 +#define GRETH_INT_TX 0x8 +#define GRETH_TXI 0x4 +#define GRETH_TXBD_STATUS 0x0001C000 +#define GRETH_TXBD_MORE 0x20000 +#define GRETH_TXBD_IPCS 0x40000 +#define GRETH_TXBD_TCPCS 0x80000 +#define GRETH_TXBD_UDPCS 0x100000 +#define GRETH_TXBD_CSALL (GRETH_TXBD_IPCS | GRETH_TXBD_TCPCS | GRETH_TXBD_UDPCS) +#define GRETH_TXBD_ERR_LC 0x10000 +#define GRETH_TXBD_ERR_UE 0x4000 +#define GRETH_TXBD_ERR_AL 0x8000 + +#define GRETH_INT_RX 0x4 +#define GRETH_RXEN 0x2 +#define GRETH_RXI 0x8 +#define GRETH_RXBD_STATUS 0xFFFFC000 +#define GRETH_RXBD_ERR_AE 0x4000 +#define GRETH_RXBD_ERR_FT 0x8000 +#define GRETH_RXBD_ERR_CRC 0x10000 +#define GRETH_RXBD_ERR_OE 0x20000 +#define GRETH_RXBD_ERR_LE 0x40000 +#define GRETH_RXBD_IP 0x80000 +#define GRETH_RXBD_IP_CSERR 0x100000 +#define GRETH_RXBD_UDP 0x200000 +#define GRETH_RXBD_UDP_CSERR 0x400000 +#define GRETH_RXBD_TCP 0x800000 +#define GRETH_RXBD_TCP_CSERR 0x1000000 +#define GRETH_RXBD_IP_FRAG 0x2000000 +#define GRETH_RXBD_MCAST 0x4000000 + +/* Descriptor parameters */ +#define GRETH_TXBD_NUM 128 +#define GRETH_TXBD_NUM_MASK (GRETH_TXBD_NUM-1) +#define GRETH_TX_BUF_SIZE 2048 +#define GRETH_RXBD_NUM 128 +#define GRETH_RXBD_NUM_MASK (GRETH_RXBD_NUM-1) +#define GRETH_RX_BUF_SIZE 2048 + +/* Buffers per page */ +#define GRETH_RX_BUF_PPGAE (PAGE_SIZE/GRETH_RX_BUF_SIZE) +#define GRETH_TX_BUF_PPGAE (PAGE_SIZE/GRETH_TX_BUF_SIZE) + +/* How many pages are needed for buffers */ +#define GRETH_RX_BUF_PAGE_NUM (GRETH_RXBD_NUM/GRETH_RX_BUF_PPGAE) +#define GRETH_TX_BUF_PAGE_NUM (GRETH_TXBD_NUM/GRETH_TX_BUF_PPGAE) + +/* Buffer size. + * Gbit MAC uses tagged maximum frame size which is 1518 excluding CRC. + * Set to 1520 to make all buffers word aligned for non-gbit MAC. + */ +#define MAX_FRAME_SIZE 1520 + +/* Flags */ +#define GRETH_FLAG_RX_CSUM 0x1 + +/* GRETH APB registers */ +struct greth_regs { + u32 control; + u32 status; + u32 esa_msb; + u32 esa_lsb; + u32 mdio; + u32 tx_desc_p; + u32 rx_desc_p; + u32 edclip; + u32 hash_msb; + u32 hash_lsb; +}; + +/* GRETH buffer descriptor */ +struct greth_bd { + u32 stat; + u32 addr; +}; + +struct greth_private { + struct sk_buff *rx_skbuff[GRETH_RXBD_NUM]; + struct sk_buff *tx_skbuff[GRETH_TXBD_NUM]; + + unsigned char *tx_bufs[GRETH_TXBD_NUM]; + unsigned char *rx_bufs[GRETH_RXBD_NUM]; + + u16 tx_next; + u16 tx_last; + u16 tx_free; + u16 rx_cur; + + struct greth_regs *regs; /* Address of controller registers. */ + struct greth_bd *rx_bd_base; /* Address of Rx BDs. */ + struct greth_bd *tx_bd_base; /* Address of Tx BDs. */ + dma_addr_t rx_bd_base_phys; + dma_addr_t tx_bd_base_phys; + + int irq; + + struct device *dev; /* Pointer to of_device->dev */ + struct net_device *netdev; + struct napi_struct napi; + spinlock_t devlock; + + struct phy_device *phy; + struct mii_bus *mdio; + int mdio_irqs[PHY_MAX_ADDR]; + unsigned int link; + unsigned int speed; + unsigned int duplex; + + u32 msg_enable; + u32 flags; + + u8 phyaddr; + u8 multicast; + u8 gbit_mac; + u8 mdio_int_en; + u8 edcl; +}; + +#endif |