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nl80211: support P2P GO powersave configuration

Browse source 
If a driver supports P2P GO powersave, allow it to
set the new feature flags for it and allow userspace
to configure the parameters for it. This can be done
at GO startup and later changed with SET_BSS.

Signed-off-by: Johannes Berg <[email protected]>
This commit is contained in:
Johannes Berg 2012-11-14 15:17:28 +01:00
commit 53cabad70e
3 changed files with 79 additions and 0 deletions
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56
net/wireless/nl80211.c
View file

@ -363,6 +363,8 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
[NL80211_ATTR_SAE_DATA] = { .type = NLA_BINARY, },
[NL80211_ATTR_VHT_CAPABILITY] = { .len = NL80211_VHT_CAPABILITY_LEN },
[NL80211_ATTR_SCAN_FLAGS] = { .type = NLA_U32 },
[NL80211_ATTR_P2P_CTWINDOW] = { .type = NLA_U8 },
[NL80211_ATTR_P2P_OPPPS] = { .type = NLA_U8 },
};
/* policy for the key attributes */
@ -2702,6 +2704,32 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]);
}
if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
return -EINVAL;
params.p2p_ctwindow =
nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
if (params.p2p_ctwindow > 127)
return -EINVAL;
if (params.p2p_ctwindow != 0 &&
!(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
return -EINVAL;
}
if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
u8 tmp;
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
return -EINVAL;
tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
if (tmp > 1)
return -EINVAL;
params.p2p_opp_ps = tmp;
if (params.p2p_opp_ps != 0 &&
!(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
return -EINVAL;
}
if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
err = nl80211_parse_chandef(rdev, info, &params.chandef);
if (err)
@ -3668,6 +3696,8 @@ static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
params.use_short_slot_time = -1;
params.ap_isolate = -1;
params.ht_opmode = -1;
params.p2p_ctwindow = -1;
params.p2p_opp_ps = -1;
if (info->attrs[NL80211_ATTR_BSS_CTS_PROT])
params.use_cts_prot =
@ -3690,6 +3720,32 @@ static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
params.ht_opmode =
nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]);
if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
return -EINVAL;
params.p2p_ctwindow =
nla_get_s8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
if (params.p2p_ctwindow < 0)
return -EINVAL;
if (params.p2p_ctwindow != 0 &&
!(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
return -EINVAL;
}
if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
u8 tmp;
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
return -EINVAL;
tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
if (tmp > 1)
return -EINVAL;
params.p2p_opp_ps = tmp;
if (params.p2p_opp_ps &&
!(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
return -EINVAL;
}
if (!rdev->ops->change_bss)
return -EOPNOTSUPP;