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nl80211: advertise GTK rekey support, new triggers

Ver a proveniência 
Since we now have the necessary API in place to support
GTK rekeying, applications will need to know whether it
is supported by a device. Add a pseudo-trigger that is
used only to advertise that capability. Also, add some
new triggers that match what iwlagn devices can do.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Este cometimento está contido em:
Johannes Berg
2011-07-13 10:48:55 +02:00
cometido por John W. Linville
ascendente 95acac61ba
cometimento 77dbbb1389
4 ficheiros modificados com 90 adições e 6 eliminações
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49
net/wireless/nl80211.c
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@@ -205,6 +205,10 @@ nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = {
[NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG },
[NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG },
[NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED },
[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG },
[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG },
[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG },
[NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG },
};
/* policy for GTK rekey offload attributes */
@@ -929,6 +933,16 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_DISCONNECT);
if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_MAGIC_PKT)
NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT);
if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY)
NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED);
if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE)
NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE);
if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ)
NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST);
if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_4WAY_HANDSHAKE)
NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE);
if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_RFKILL_RELEASE)
NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE);
if (dev->wiphy.wowlan.n_patterns) {
struct nl80211_wowlan_pattern_support pat = {
.max_patterns = dev->wiphy.wowlan.n_patterns,
@@ -5272,6 +5286,14 @@ static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info)
NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_DISCONNECT);
if (rdev->wowlan->magic_pkt)
NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT);
if (rdev->wowlan->gtk_rekey_failure)
NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE);
if (rdev->wowlan->eap_identity_req)
NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST);
if (rdev->wowlan->four_way_handshake)
NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE);
if (rdev->wowlan->rfkill_release)
NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE);
if (rdev->wowlan->n_patterns) {
struct nlattr *nl_pats, *nl_pat;
int i, pat_len;
@@ -5348,6 +5370,33 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
new_triggers.magic_pkt = true;
}
if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED])
return -EINVAL;
if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) {
if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE))
return -EINVAL;
new_triggers.gtk_rekey_failure = true;
}
if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) {
if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ))
return -EINVAL;
new_triggers.eap_identity_req = true;
}
if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) {
if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE))
return -EINVAL;
new_triggers.four_way_handshake = true;
}
if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) {
if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE))
return -EINVAL;
new_triggers.rfkill_release = true;
}
if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
struct nlattr *pat;
int n_patterns = 0;