Re: [PATCH v5] cfg80211/nl80211: Add packet coalesce support

[Johannes Berg <johannes@sipsolutions.net>]

On Fri, 2013-06-28 at 11:51 -0700, Bing Zhao wrote:
> From: Amitkumar Karwar <akarwar@marvell.com>
> 
> In most cases, host that receives IPv4 and IPv6 multicast/broadcast
> packets does not do anything with these packets. Therefore the
> reception of these unwanted packets causes unnecessary processing
> and power consumption.
> 
> Packet coalesce feature helps to reduce number of received
> interrupts to host by buffering these packets in firmware/hardware
> for some predefined time. Received interrupt will be generated when
> one of the following events occur.
> a) Expiration of hardware timer whose expiration time is set to
> maximum coalescing delay of matching coalesce rule.
> b) Coalescing buffer in hardware reaches it's limit.
> c) Packet doesn't match any of the configured coalesce rules.
> 
> This patch adds set/get configuration support for packet coalesce.
> User needs to configure following parameters for creating a coalesce
> rule.
> a) Maximum coalescing delay
> b) List of packet patterns which needs to be matched
> c) Condition for coalescence. pattern 'match' or 'no match'
> Multiple such rules can be created.
> 
> This feature needs to be advertised during driver initialization.
> Drivers are supposed to do required firmware/hardware settings based
> on user configuration.

Applied.

johannes