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[SPARC64]: Add Sun LDOM virtual network driver.

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Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2007-07-09 22:23:51 -07:00
parent e53e97ce3c
commit 4c521e422f
4 changed files with 1233 additions and 0 deletions
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6
drivers/net/Kconfig
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@ -604,6 +604,12 @@ config CASSINI
Support for the Sun Cassini chip, aka Sun GigaSwift Ethernet. See also
<http://www.sun.com/products-n-solutions/hardware/docs/pdf/817-4341-10.pdf>
config SUNVNET
tristate "Sun Virtual Network support"
depends on SUN_LDOMS
help
Support for virtual network devices under Sun Logical Domains.
config NET_VENDOR_3COM
bool "3COM cards"
depends on ISA || EISA || MCA || PCI

1
drivers/net/Makefile
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@ -34,6 +34,7 @@ obj-$(CONFIG_SUNBMAC) += sunbmac.o
obj-$(CONFIG_MYRI_SBUS) += myri_sbus.o
obj-$(CONFIG_SUNGEM) += sungem.o sungem_phy.o
obj-$(CONFIG_CASSINI) += cassini.o
obj-$(CONFIG_SUNVNET) += sunvnet.o
obj-$(CONFIG_MACE) += mace.o
obj-$(CONFIG_BMAC) += bmac.o

1156
drivers/net/sunvnet.c Normal file
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File diff suppressed because it is too large Load Diff

70
drivers/net/sunvnet.h Normal file
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@ -0,0 +1,70 @@
#ifndef _SUNVNET_H
#define _SUNVNET_H
#define DESC_NCOOKIES(entry_size) \
((entry_size) - sizeof(struct vio_net_desc))
/* length of time before we decide the hardware is borked,
* and dev->tx_timeout() should be called to fix the problem
*/
#define VNET_TX_TIMEOUT (5 * HZ)
#define VNET_TX_RING_SIZE 512
#define VNET_TX_WAKEUP_THRESH(dr) ((dr)->pending / 4)
/* VNET packets are sent in buffers with the first 6 bytes skipped
* so that after the ethernet header the IPv4/IPv6 headers are aligned
* properly.
*/
#define VNET_PACKET_SKIP 6
struct vnet_tx_entry {
void *buf;
unsigned int ncookies;
struct ldc_trans_cookie cookies[2];
};
struct vnet;
struct vnet_port {
struct vio_driver_state vio;
struct hlist_node hash;
u8 raddr[ETH_ALEN];
struct vnet *vp;
struct vnet_tx_entry tx_bufs[VNET_TX_RING_SIZE];
struct list_head list;
};
static inline struct vnet_port *to_vnet_port(struct vio_driver_state *vio)
{
return container_of(vio, struct vnet_port, vio);
}
#define VNET_PORT_HASH_SIZE 16
#define VNET_PORT_HASH_MASK (VNET_PORT_HASH_SIZE - 1)
static inline unsigned int vnet_hashfn(u8 *mac)
{
unsigned int val = mac[4] ^ mac[5];
return val & (VNET_PORT_HASH_MASK);
}
struct vnet {
/* Protects port_list and port_hash. */
spinlock_t lock;
struct net_device *dev;
u32 msg_enable;
struct vio_dev *vdev;
struct list_head port_list;
struct hlist_head port_hash[VNET_PORT_HASH_SIZE];
};
#endif /* _SUNVNET_H */