#error Cannot compile lcs.c without some net devices switched on.
#endif
-/**
+/*
* initialization string for output
*/
static char version[] __initdata = "LCS driver";
-/**
+/*
* the root device for lcs group devices
*/
static struct device *lcs_root_dev;
-/**
+/*
* Some prototypes.
*/
static void lcs_tasklet(unsigned long);
#endif /* CONFIG_IP_MULTICAST */
static int lcs_recovery(void *ptr);
-/**
+/*
* Debug Facility Stuff
*/
static char debug_buffer[255];
static debug_info_t *lcs_dbf_setup;
static debug_info_t *lcs_dbf_trace;
-/**
+/*
* LCS Debug Facility functions
*/
static void
return 0;
}
-/**
+/*
* Allocate io buffers.
*/
static int
return 0;
}
-/**
+/*
* Free io buffers.
*/
static void
lcs_free_channel(channel);
}
-/**
+/*
* LCS free memory for card and channels.
*/
static void
kfree(card);
}
-/**
+/*
* LCS alloc memory for card and channels
*/
static struct lcs_card *
return rc;
}
-/**
+/*
* Initialize channels,card and state machines.
*/
static void
spin_unlock_irqrestore(&card->ipm_lock, flags);
#endif
}
-/**
+
+/*
* Cleanup channels,card and state machines.
*/
static void
lcs_cleanup_channel(&card->read);
}
-/**
+/*
* Start channel.
*/
static int
}
-/**
+/*
* Stop channel.
*/
static int
return 0;
}
-/**
+/*
* start read and write channel
*/
static int
return rc;
}
-/**
+/*
* stop read and write channel
*/
static int
return 0;
}
-/**
+/*
* Get empty buffer.
*/
static struct lcs_buffer *
return buffer;
}
-/**
+/*
* Resume channel program if the channel is suspended.
*/
static int
}
-/**
+/*
* Make a buffer ready for processing.
*/
static void __lcs_ready_buffer_bits(struct lcs_channel *channel, int index)
return rc;
}
-/**
+/*
* Mark the buffer as processed. Take care of the suspend bit
* of the previous buffer. This function is called from
* interrupt context, so the lock must not be taken.
return __lcs_resume_channel(channel);
}
-/**
+/*
* Put a processed buffer back to state empty.
*/
static void
spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
}
-/**
+/*
* Get buffer for a lan command.
*/
static struct lcs_buffer *
return reply;
}
-/**
+/*
* Notifier function for lancmd replies. Called from read irq.
*/
static void
spin_unlock(&card->lock);
}
-/**
+/*
* Emit buffer of a lan command.
*/
static void
return rc ? -EIO : 0;
}
-/**
+/*
* LCS startup command
*/
static int
return lcs_send_lancmd(card, buffer, NULL);
}
-/**
+/*
* LCS shutdown command
*/
static int
return lcs_send_lancmd(card, buffer, NULL);
}
-/**
+/*
* LCS lanstat command
*/
static void
return lcs_send_lancmd(card, buffer, __lcs_lanstat_cb);
}
-/**
+/*
* send stoplan command
*/
static int
return lcs_send_lancmd(card, buffer, NULL);
}
-/**
+/*
* send startlan command
*/
static void
}
#ifdef CONFIG_IP_MULTICAST
-/**
+/*
* send setipm command (Multicast)
*/
static int
return lcs_send_lancmd(card, buffer, NULL);
}
-/**
+/*
* send delipm command (Multicast)
*/
static int
return lcs_send_lancmd(card, buffer, NULL);
}
-/**
+/*
* check if multicast is supported by LCS
*/
static void
return -EOPNOTSUPP;
}
-/**
+/*
* set or del multicast address on LCS card
*/
static void
spin_unlock_irqrestore(&card->ipm_lock, flags);
}
-/**
+/*
* get mac address for the relevant Multicast address
*/
static void
ip_eth_mc_map(ipm, mac);
}
-/**
+/*
* function called by net device to handle multicast address relevant things
*/
static void lcs_remove_mc_addresses(struct lcs_card *card,
}
#endif /* CONFIG_IP_MULTICAST */
-/**
+/*
* function called by net device to
* handle multicast address relevant things
*/
schedule_work(&card->kernel_thread_starter);
}
-/**
+/*
* IRQ Handler for LCS channels
*/
static void
tasklet_schedule(&channel->irq_tasklet);
}
-/**
+/*
* Tasklet for IRQ handler
*/
static void
wake_up(&channel->wait_q);
}
-/**
+/*
* Finish current tx buffer and make it ready for transmit.
*/
static void
card->tx_emitted++;
}
-/**
+/*
* Callback for finished tx buffers.
*/
static void
spin_unlock(&card->lock);
}
-/**
+/*
* Packet transmit function called by network stack
*/
static int
return rc;
}
-/**
+/*
* send startlan and lanstat command to make LCS device ready
*/
static int
return rc;
}
-/**
+/*
* LCS detect function
* setup channels and make them I/O ready
*/
return rc;
}
-/**
+/*
* LCS Stop card
*/
static int
return rc;
}
-/**
+/*
* Kernel Thread helper functions for LGW initiated commands
*/
static void
#endif
}
-/**
+/*
* Process control frames.
*/
static void
lcs_notify_lancmd_waiters(card, cmd);
}
-/**
+/*
* Unpack network packet.
*/
static void
netif_rx(skb);
}
-/**
+/*
* LCS main routine to get packets and lancmd replies from the buffers
*/
static void
lcs_ready_buffer(&card->read, buffer);
}
-/**
+/*
* get network statistics for ifconfig and other user programs
*/
static struct net_device_stats *
return &card->stats;
}
-/**
+/*
* stop lcs device
* This function will be called by user doing ifconfig xxx down
*/
return rc;
}
-/**
+/*
* start lcs device and make it runnable
* This function will be called by user doing ifconfig xxx up
*/
return rc;
}
-/**
+/*
* show function for portno called by cat or similar things
*/
static ssize_t
return sprintf(buf, "%d\n", card->portno);
}
-/**
+/*
* store the value which is piped to file portno
*/
static ssize_t
.groups = lcs_attr_groups,
};
-/**
+/*
* lcs_probe_device is called on establishing a new ccwgroup_device.
*/
static int
return register_netdev(card->dev);
}
-/**
+/*
* lcs_new_device will be called by setting the group device online.
*/
static const struct net_device_ops lcs_netdev_ops = {
return -ENODEV;
}
-/**
+/*
* lcs_shutdown_device, called when setting the group device offline.
*/
static int
return __lcs_shutdown_device(ccwgdev, 0);
}
-/**
+/*
* drive lcs recovery after startup and startlan initiated by Lan Gateway
*/
static int
return 0;
}
-/**
+/*
* lcs_remove_device, free buffers and card
*/
static void
.int_class = IRQIO_LCS,
};
-/**
+/*
* LCS ccwgroup driver registration
*/
static struct ccwgroup_driver lcs_group_driver = {
NULL,
};
-/**
+/*
* LCS Module/Kernel initialization function
*/
static int
}
-/**
+/*
* LCS module cleanup function
*/
static void
projects / users / dwmw2 / linux.git / commitdiff