Re: Porting Linux v2.2.x Ethernet driver to v2.4.x?

[Jeff Garzik <jgarzik@mandrakesoft.com>]

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...and the attached document, referred to in the previous mail.  :)   I
think I posted this recently, but it's small so a repost is no big deal.
-- 
Jeff Garzik             |
Building 1024           | Would you like a Twinkie?
MandrakeSoft            |

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Network Devices, the Kernel, and You!


Introduction
============
The following is a random collection of documentation regarding
network devices.




struct net_device synchronization rules
=======================================
dev->open:
	Locking: Inside rtnl_lock() semaphore.
	Sleeping: OK

dev->stop:
	Locking: Inside rtnl_lock() semaphore.
	Sleeping: OK

dev->do_ioctl:
	Locking: Inside rtnl_lock() semaphore.
	Sleeping: OK

dev->get_stats:
	Locking: Inside dev_base_lock spinlock.
	Sleeping: NO

dev->hard_start_xmit:
	Locking: Inside dev->xmit_lock spinlock.
	Sleeping: NO

dev->tx_timeout:
	Locking: Inside dev->xmit_lock spinlock.
	Sleeping: NO

dev->set_multicast_list:
	Locking: Inside dev->xmit_lock spinlock.
	Sleeping: NO