/* sunvnet.c: Sun LDOM Virtual Network Driver.
*
- * Copyright (C) 2007 David S. Miller <davem@davemloft.net>
+ * Copyright (C) 2007, 2008 David S. Miller <davem@davemloft.net>
*/
#include <linux/module.h>
if (IS_ERR(desc))
return PTR_ERR(desc);
- viodbg(DATA, "vio_walk_rx_one desc[%02x:%02x:%08x:%08x:%lx:%lx]\n",
+ viodbg(DATA, "vio_walk_rx_one desc[%02x:%02x:%08x:%08x:%llx:%llx]\n",
desc->hdr.state, desc->hdr.ack,
desc->size, desc->ncookies,
desc->cookies[0].cookie_addr,
struct vio_dring_state *dr = &port->vio.drings[VIO_DRIVER_RX_RING];
struct vio_driver_state *vio = &port->vio;
- viodbg(DATA, "vnet_rx stype_env[%04x] seq[%016lx] rcv_nxt[%016lx]\n",
+ viodbg(DATA, "vnet_rx stype_env[%04x] seq[%016llx] rcv_nxt[%016llx]\n",
pkt->tag.stype_env, pkt->seq, dr->rcv_nxt);
if (unlikely(pkt->tag.stype_env != VIO_DRING_DATA))
return 0;
if (unlikely(pkt->seq != dr->rcv_nxt)) {
- printk(KERN_ERR PFX "RX out of sequence seq[0x%lx] "
- "rcv_nxt[0x%lx]\n", pkt->seq, dr->rcv_nxt);
+ printk(KERN_ERR PFX "RX out of sequence seq[0x%llx] "
+ "rcv_nxt[0x%llx]\n", pkt->seq, dr->rcv_nxt);
return 0;
}
return 0;
}
+static int handle_mcast(struct vnet_port *port, void *msgbuf)
+{
+ struct vio_net_mcast_info *pkt = msgbuf;
+
+ if (pkt->tag.stype != VIO_SUBTYPE_ACK)
+ printk(KERN_ERR PFX "%s: Got unexpected MCAST reply "
+ "[%02x:%02x:%04x:%08x]\n",
+ port->vp->dev->name,
+ pkt->tag.type,
+ pkt->tag.stype,
+ pkt->tag.stype_env,
+ pkt->tag.sid);
+
+ return 0;
+}
+
static void maybe_tx_wakeup(struct vnet *vp)
{
struct net_device *dev = vp->dev;
vio_link_state_change(vio, event);
spin_unlock_irqrestore(&vio->lock, flags);
+ if (event == LDC_EVENT_RESET)
+ vio_port_up(vio);
return;
}
err = vnet_nack(port, &msgbuf);
}
} else if (msgbuf.tag.type == VIO_TYPE_CTRL) {
- err = vio_control_pkt_engine(vio, &msgbuf);
+ if (msgbuf.tag.stype_env == VNET_MCAST_INFO)
+ err = handle_mcast(port, &msgbuf);
+ else
+ err = vio_control_pkt_engine(vio, &msgbuf);
if (err)
break;
} else {
return 0;
}
+static struct vnet_mcast_entry *__vnet_mc_find(struct vnet *vp, u8 *addr)
+{
+ struct vnet_mcast_entry *m;
+
+ for (m = vp->mcast_list; m; m = m->next) {
+ if (!memcmp(m->addr, addr, ETH_ALEN))
+ return m;
+ }
+ return NULL;
+}
+
+static void __update_mc_list(struct vnet *vp, struct net_device *dev)
+{
+ struct dev_addr_list *p;
+
+ for (p = dev->mc_list; p; p = p->next) {
+ struct vnet_mcast_entry *m;
+
+ m = __vnet_mc_find(vp, p->dmi_addr);
+ if (m) {
+ m->hit = 1;
+ continue;
+ }
+
+ if (!m) {
+ m = kzalloc(sizeof(*m), GFP_ATOMIC);
+ if (!m)
+ continue;
+ memcpy(m->addr, p->dmi_addr, ETH_ALEN);
+ m->hit = 1;
+
+ m->next = vp->mcast_list;
+ vp->mcast_list = m;
+ }
+ }
+}
+
+static void __send_mc_list(struct vnet *vp, struct vnet_port *port)
+{
+ struct vio_net_mcast_info info;
+ struct vnet_mcast_entry *m, **pp;
+ int n_addrs;
+
+ memset(&info, 0, sizeof(info));
+
+ info.tag.type = VIO_TYPE_CTRL;
+ info.tag.stype = VIO_SUBTYPE_INFO;
+ info.tag.stype_env = VNET_MCAST_INFO;
+ info.tag.sid = vio_send_sid(&port->vio);
+ info.set = 1;
+
+ n_addrs = 0;
+ for (m = vp->mcast_list; m; m = m->next) {
+ if (m->sent)
+ continue;
+ m->sent = 1;
+ memcpy(&info.mcast_addr[n_addrs * ETH_ALEN],
+ m->addr, ETH_ALEN);
+ if (++n_addrs == VNET_NUM_MCAST) {
+ info.count = n_addrs;
+
+ (void) vio_ldc_send(&port->vio, &info,
+ sizeof(info));
+ n_addrs = 0;
+ }
+ }
+ if (n_addrs) {
+ info.count = n_addrs;
+ (void) vio_ldc_send(&port->vio, &info, sizeof(info));
+ }
+
+ info.set = 0;
+
+ n_addrs = 0;
+ pp = &vp->mcast_list;
+ while ((m = *pp) != NULL) {
+ if (m->hit) {
+ m->hit = 0;
+ pp = &m->next;
+ continue;
+ }
+
+ memcpy(&info.mcast_addr[n_addrs * ETH_ALEN],
+ m->addr, ETH_ALEN);
+ if (++n_addrs == VNET_NUM_MCAST) {
+ info.count = n_addrs;
+ (void) vio_ldc_send(&port->vio, &info,
+ sizeof(info));
+ n_addrs = 0;
+ }
+
+ *pp = m->next;
+ kfree(m);
+ }
+ if (n_addrs) {
+ info.count = n_addrs;
+ (void) vio_ldc_send(&port->vio, &info, sizeof(info));
+ }
+}
+
static void vnet_set_rx_mode(struct net_device *dev)
{
- /* XXX Implement multicast support XXX */
+ struct vnet *vp = netdev_priv(dev);
+ struct vnet_port *port;
+ unsigned long flags;
+
+ spin_lock_irqsave(&vp->lock, flags);
+ if (!list_empty(&vp->port_list)) {
+ port = list_entry(vp->port_list.next, struct vnet_port, list);
+
+ if (port->switch_port) {
+ __update_mc_list(vp, dev);
+ __send_mc_list(vp, port);
+ }
+ }
+ spin_unlock_irqrestore(&vp->lock, flags);
}
static int vnet_change_mtu(struct net_device *dev, int new_mtu)
.get_msglevel = vnet_get_msglevel,
.set_msglevel = vnet_set_msglevel,
.get_link = ethtool_op_get_link,
- .get_perm_addr = ethtool_op_get_perm_addr,
};
static void vnet_port_free_tx_bufs(struct vnet_port *port)
static LIST_HEAD(vnet_list);
static DEFINE_MUTEX(vnet_list_mutex);
+static const struct net_device_ops vnet_ops = {
+ .ndo_open = vnet_open,
+ .ndo_stop = vnet_close,
+ .ndo_set_multicast_list = vnet_set_rx_mode,
+ .ndo_set_mac_address = vnet_set_mac_addr,
+ .ndo_validate_addr = eth_validate_addr,
+ .ndo_tx_timeout = vnet_tx_timeout,
+ .ndo_change_mtu = vnet_change_mtu,
+ .ndo_start_xmit = vnet_start_xmit,
+};
+
static struct vnet * __devinit vnet_new(const u64 *local_mac)
{
struct net_device *dev;
INIT_LIST_HEAD(&vp->list);
vp->local_mac = *local_mac;
- dev->open = vnet_open;
- dev->stop = vnet_close;
- dev->set_multicast_list = vnet_set_rx_mode;
- dev->set_mac_address = vnet_set_mac_addr;
- dev->tx_timeout = vnet_tx_timeout;
+ dev->netdev_ops = &vnet_ops;
dev->ethtool_ops = &vnet_ethtool_ops;
dev->watchdog_timeo = VNET_TX_TIMEOUT;
- dev->change_mtu = vnet_change_mtu;
- dev->hard_start_xmit = vnet_start_xmit;
err = register_netdev(dev);
if (err) {
goto err_out_free_dev;
}
- printk(KERN_INFO "%s: Sun LDOM vnet ", dev->name);
-
- for (i = 0; i < 6; i++)
- printk("%2.2x%c", dev->dev_addr[i], i == 5 ? '\n' : ':');
+ printk(KERN_INFO "%s: Sun LDOM vnet %pM\n", dev->name, dev->dev_addr);
list_add(&vp->list, &vnet_list);
.handshake_complete = vnet_handshake_complete,
};
-static void print_version(void)
+static void __devinit print_version(void)
{
static int version_printed;
switch_port = 0;
if (mdesc_get_property(hp, vdev->mp, "switch-port", NULL) != NULL)
switch_port = 1;
+ port->switch_port = switch_port;
spin_lock_irqsave(&vp->lock, flags);
if (switch_port)
dev_set_drvdata(&vdev->dev, port);
- printk(KERN_INFO "%s: PORT ( remote-mac ", vp->dev->name);
- for (i = 0; i < 6; i++)
- printk("%2.2x%c", port->raddr[i], i == 5 ? ' ' : ':');
- if (switch_port)
- printk("switch-port ");
- printk(")\n");
+ printk(KERN_INFO "%s: PORT ( remote-mac %pM%s )\n",
+ vp->dev->name, port->raddr,
+ switch_port ? " switch-port" : "");
vio_port_up(&port->vio);
return 0;
}
-static struct vio_device_id vnet_port_match[] = {
+static const struct vio_device_id vnet_port_match[] = {
{
.type = "vnet-port",
},
{},
};
-MODULE_DEVICE_TABLE(vio, vnet_match);
+MODULE_DEVICE_TABLE(vio, vnet_port_match);
static struct vio_driver vnet_port_driver = {
.id_table = vnet_port_match,
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff