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cfg80211: handle Association Response from S1G STA

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The sending STA type is implicit based on beacon or probe
response content. If sending STA was an S1G STA, adjust
the Information Element location accordingly.

Signed-off-by: Thomas Pedersen <thomas@adapt-ip.com>
Link: https://lore.kernel.org/r/20200922022818.15855-9-thomas@adapt-ip.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Thomas Pedersen 2020-09-21 19:28:09 -07:00 committed by Johannes Berg
parent cd418ba63f
commit 80ca257113
2 changed files with 16 additions and 3 deletions
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5
include/linux/ieee80211.h
View File

@ -1100,6 +1100,11 @@ struct ieee80211_mgmt {
/* followed by Supported rates */
u8 variable[0];
} __packed assoc_resp, reassoc_resp;
struct {
__le16 capab_info;
__le16 status_code;
u8 variable[0];
} __packed s1g_assoc_resp, s1g_reassoc_resp;
struct {
__le16 capab_info;
__le16 listen_interval;

14
net/wireless/mlme.c
View File

@ -30,6 +30,15 @@ void cfg80211_rx_assoc_resp(struct net_device *dev, struct cfg80211_bss *bss,
struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf;
struct cfg80211_connect_resp_params cr;
const u8 *resp_ie = mgmt->u.assoc_resp.variable;
size_t resp_ie_len = len - offsetof(struct ieee80211_mgmt,
u.assoc_resp.variable);
if (bss->channel->band == NL80211_BAND_S1GHZ) {
resp_ie = (u8 *)&mgmt->u.s1g_assoc_resp.variable;
resp_ie_len = len - offsetof(struct ieee80211_mgmt,
u.s1g_assoc_resp.variable);
}
memset(&cr, 0, sizeof(cr));
cr.status = (int)le16_to_cpu(mgmt->u.assoc_resp.status_code);
@ -37,9 +46,8 @@ void cfg80211_rx_assoc_resp(struct net_device *dev, struct cfg80211_bss *bss,
cr.bss = bss;
cr.req_ie = req_ies;
cr.req_ie_len = req_ies_len;
cr.resp_ie = mgmt->u.assoc_resp.variable;
cr.resp_ie_len =
len - offsetof(struct ieee80211_mgmt, u.assoc_resp.variable);
cr.resp_ie = resp_ie;
cr.resp_ie_len = resp_ie_len;
cr.timeout_reason = NL80211_TIMEOUT_UNSPECIFIED;
trace_cfg80211_send_rx_assoc(dev, bss);