Prism2 Host AP - new release 2001-12-10

From: Jouni Malinen (jkm_at_ssh.com)
Date: 2001-12-10 11:58:52 UTC

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A new version of Prism2 Host AP driver was just released. I also added information about this mailing list to the download side so that it could actually be taken into use.

This release fixes various problems with high-load situations and improves stability of the driver. This version is now available at http://194.241.248.126/Prism2/

2001-12-10

• added SMP definitions when using kernel-tree pcmcia-cs and CONFIG_SMP is set
• added new iwpriv command 'reset' for manual card resetting; 'iwpriv wlan0 reset 0': disable and re-initialize card firmware 'iwpriv wlan0 reset 1': reset card using COR sreset
• replaced CardServices ResetCard call with own function that performs COR sreset since ResetCard cannot be called from hard IRQ handler
• improved HFA384x operation completion waiting: added separate timeout values for different operations and use small udelay()s instead of flooding I/O registers in busy wait loops
• modified prism2_rx() to queue packets through a local queue before passing them to dev_queue_xmit(). This is apparently needed since prism2_rx() is running in hard IRQ context and dev_queue_xmit() seems to call prism2_tx() (dev->hard_start_xmit) directly. Local queue is handled after hard IRQ handler has exited. (this should fix problems that seem to occur with high-load between two stations associated to the same AP or from multicast/ broadcast flood)
• fixed prism2_rx() to use dev_kfree_skb_irq() instead of dev_kfree_skb() in hard IRQ context.

-- 
Jouni Malinen
SSH Communications Security Corp
jouni.malinen_at_ssh.com

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