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| author |   Amitkumar Karwar <akarwar@marvell.com> | 2013-06-28 11:51:26 -0700 |
|---|---|---|
| committer |   Johannes Berg <johannes.berg@intel.com> | 2013-07-16 09:58:00 +0300 |
| commit | be29b99a9b51b0338eea3c66a58de53bbd01de24 (patch) | |
| tree | abd4b2831ca396dddda2ea8bb02a39b12ea2a1b4 /net/wireless/nl80211.h | |
| parent | mac80211: add per-chain signal information to radiotap (diff) | |
| download | linux-dev-be29b99a9b51b0338eea3c66a58de53bbd01de24.tar.xz linux-dev-be29b99a9b51b0338eea3c66a58de53bbd01de24.zip | |
cfg80211/nl80211: Add packet coalesce support
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.
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
[fix kernel-doc, change free function, fix copy/paste error]
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Diffstat (limited to 'net/wireless/nl80211.h')
| -rw-r--r-- | net/wireless/nl80211.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/wireless/nl80211.h b/net/wireless/nl80211.h index a4073e808c13..44341bf53cfc 100644 --- a/net/wireless/nl80211.h +++ b/net/wireless/nl80211.h @@ -74,4 +74,6 @@ nl80211_radar_notify(struct cfg80211_registered_device *rdev, enum nl80211_radar_event event, struct net_device *netdev, gfp_t gfp); +void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev); + #endif /* __NET_WIRELESS_NL80211_H */ |