diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2014-02-25 15:04:46 -0800 |
|---|---|---|
| committer | David Keitel <dkeitel@codeaurora.org> | 2016-03-22 11:16:45 -0700 |
| commit | aff47b6145f30fddd88856b7fae4dc4cfffeae8f (patch) | |
| tree | 240e9de249c2889b4e24f910a30b6cf63d347511 /include | |
| parent | 56ef16eb6a1b769ef00ad3614efb68cbe2949a1b (diff) | |
mac80211: implement HS2.0 gratuitous ARP/unsolicited NA dropping
Taking the gratuitous ARP/unsolicited NA detection code from
mwifiex (but fixing it up to not have read-after-skb-end bugs),
implement the ability for userspace to request the behaviour
required by HS2.0 to drop gratuitous ARP and unsolicited NA
frames when proxy ARP service is enabled on the AP. Since this
behaviour is only mandatory for HS2.0 and may not always be
desired, make it optional - modify cfg80211/nl80211 for that.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Git-commit: be9efdecf8ecdcc6d2221845482e7359b33a603b
Git-repo : git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next.git
Change-Id: I1e4083a2327c121073226aa6b75bb6b5b97cec00
CRs-fixed: 621827
[akholaif@codeaurora.org: only picked up the declaration
and definition of cfg80211_is_gratuitous_arp_unsolicited_na()]
Signed-off-by: Ahmad Kholaif <akholaif@codeaurora.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/net/cfg80211.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index 2052fa44be73..f19fdda44434 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -5232,6 +5232,16 @@ void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev, void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp); /** + * cfg80211_is_gratuitous_arp_unsolicited_na - packet is grat. ARP/unsol. NA + * @skb: the input packet, must be an ethernet frame already + * + * Return: %true if the packet is a gratuitous ARP or unsolicited NA packet. + * This is used to drop packets that shouldn't occur because the AP implements + * a proxy service. + */ +bool cfg80211_is_gratuitous_arp_unsolicited_na(struct sk_buff *skb); + +/** * ieee80211_get_num_supported_channels - get number of channels device has * @wiphy: the wiphy * |