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| author | Johannes Berg <johannes.berg@intel.com> | 2020-12-06 14:54:42 +0200 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2020-12-11 13:20:05 +0100 |
| commit | 3bb02143ff55fec55558da4ad48425bf368eb8ed (patch) | |
| tree | 7364736e22cddf7afc874844ea12d370dca6d2c7 /net/wireless/nl80211.c | |
| parent | a5a55032ea654e5fdd9255035bb5066c87d7b95e (diff) | |
| download | lwn-3bb02143ff55fec55558da4ad48425bf368eb8ed.tar.gz lwn-3bb02143ff55fec55558da4ad48425bf368eb8ed.zip | |
cfg80211: support immediate reconnect request hint
There are cases where it's necessary to disconnect, but an
immediate reconnection is desired. Support a hint to userspace
that this is the case, by including a new attribute in the
deauth or disassoc event.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20201206145305.58d33941fb9d.I0e7168c205c7949529c8e3b86f3c9b12c01a7017@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/wireless/nl80211.c')
| -rw-r--r-- | net/wireless/nl80211.c | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 910872974f2d..390e6e0f23ac 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -718,6 +718,7 @@ static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = { [NL80211_ATTR_SAE_PWE] = NLA_POLICY_RANGE(NLA_U8, NL80211_SAE_PWE_HUNT_AND_PECK, NL80211_SAE_PWE_BOTH), + [NL80211_ATTR_RECONNECT_REQUESTED] = { .type = NLA_REJECT }, }; /* policy for the key attributes */ @@ -15855,7 +15856,7 @@ static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev, const u8 *buf, size_t len, enum nl80211_commands cmd, gfp_t gfp, int uapsd_queues, const u8 *req_ies, - size_t req_ies_len) + size_t req_ies_len, bool reconnect) { struct sk_buff *msg; void *hdr; @@ -15877,6 +15878,9 @@ static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev, nla_put(msg, NL80211_ATTR_REQ_IE, req_ies_len, req_ies))) goto nla_put_failure; + if (reconnect && nla_put_flag(msg, NL80211_ATTR_RECONNECT_REQUESTED)) + goto nla_put_failure; + if (uapsd_queues >= 0) { struct nlattr *nla_wmm = nla_nest_start_noflag(msg, NL80211_ATTR_STA_WME); @@ -15905,7 +15909,8 @@ void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev, size_t len, gfp_t gfp) { nl80211_send_mlme_event(rdev, netdev, buf, len, - NL80211_CMD_AUTHENTICATE, gfp, -1, NULL, 0); + NL80211_CMD_AUTHENTICATE, gfp, -1, NULL, 0, + false); } void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev, @@ -15915,23 +15920,25 @@ void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev, { nl80211_send_mlme_event(rdev, netdev, buf, len, NL80211_CMD_ASSOCIATE, gfp, uapsd_queues, - req_ies, req_ies_len); + req_ies, req_ies_len, false); } void nl80211_send_deauth(struct cfg80211_registered_device *rdev, struct net_device *netdev, const u8 *buf, - size_t len, gfp_t gfp) + size_t len, bool reconnect, gfp_t gfp) { nl80211_send_mlme_event(rdev, netdev, buf, len, - NL80211_CMD_DEAUTHENTICATE, gfp, -1, NULL, 0); + NL80211_CMD_DEAUTHENTICATE, gfp, -1, NULL, 0, + reconnect); } void nl80211_send_disassoc(struct cfg80211_registered_device *rdev, struct net_device *netdev, const u8 *buf, - size_t len, gfp_t gfp) + size_t len, bool reconnect, gfp_t gfp) { nl80211_send_mlme_event(rdev, netdev, buf, len, - NL80211_CMD_DISASSOCIATE, gfp, -1, NULL, 0); + NL80211_CMD_DISASSOCIATE, gfp, -1, NULL, 0, + reconnect); } void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf, @@ -15962,7 +15969,7 @@ void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf, trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len); nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC, -1, - NULL, 0); + NULL, 0, false); } EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt); |