diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/mac80211/pm.c | 10 | ||||
| -rw-r--r-- | net/wireless/nl80211.c | 97 | ||||
| -rw-r--r-- | net/wireless/trace.h | 35 |
3 files changed, 142 insertions, 0 deletions
diff --git a/net/mac80211/pm.c b/net/mac80211/pm.c index e45b83610e85..53801d20176d 100644 --- a/net/mac80211/pm.c +++ b/net/mac80211/pm.c @@ -228,3 +228,13 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan) * ieee80211_reconfig(), which is also needed for hardware * hang/firmware failure/etc. recovery. */ + +void ieee80211_report_wowlan_wakeup(struct ieee80211_vif *vif, + struct cfg80211_wowlan_wakeup *wakeup, + gfp_t gfp) +{ + struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); + + cfg80211_report_wowlan_wakeup(&sdata->wdev, wakeup, gfp); +} +EXPORT_SYMBOL(ieee80211_report_wowlan_wakeup); diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index b5978ab4ad7a..d359734b6972 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -9323,6 +9323,103 @@ void cfg80211_report_obss_beacon(struct wiphy *wiphy, } EXPORT_SYMBOL(cfg80211_report_obss_beacon); +#ifdef CONFIG_PM +void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev, + struct cfg80211_wowlan_wakeup *wakeup, + gfp_t gfp) +{ + struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct sk_buff *msg; + void *hdr; + int err, size = 200; + + trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup); + + if (wakeup) + size += wakeup->packet_present_len; + + msg = nlmsg_new(size, gfp); + if (!msg) + return; + + hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN); + if (!hdr) + goto free_msg; + + if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || + nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) + goto free_msg; + + if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, + wdev->netdev->ifindex)) + goto free_msg; + + if (wakeup) { + struct nlattr *reasons; + + reasons = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS); + + if (wakeup->disconnect && + nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) + goto free_msg; + if (wakeup->magic_pkt && + nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) + goto free_msg; + if (wakeup->gtk_rekey_failure && + nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) + goto free_msg; + if (wakeup->eap_identity_req && + nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) + goto free_msg; + if (wakeup->four_way_handshake && + nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) + goto free_msg; + if (wakeup->rfkill_release && + nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)) + goto free_msg; + + if (wakeup->pattern_idx >= 0 && + nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN, + wakeup->pattern_idx)) + goto free_msg; + + if (wakeup->packet) { + u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211; + u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN; + + if (!wakeup->packet_80211) { + pkt_attr = + NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023; + len_attr = + NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN; + } + + if (wakeup->packet_len && + nla_put_u32(msg, len_attr, wakeup->packet_len)) + goto free_msg; + + if (nla_put(msg, pkt_attr, wakeup->packet_present_len, + wakeup->packet)) + goto free_msg; + } + + nla_nest_end(msg, reasons); + } + + err = genlmsg_end(msg, hdr); + if (err < 0) + goto free_msg; + + genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, + nl80211_mlme_mcgrp.id, gfp); + return; + + free_msg: + nlmsg_free(msg); +} +EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup); +#endif + void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer, enum nl80211_tdls_operation oper, u16 reason_code, gfp_t gfp) diff --git a/net/wireless/trace.h b/net/wireless/trace.h index 8bc553199686..c9cafb0ea95f 100644 --- a/net/wireless/trace.h +++ b/net/wireless/trace.h @@ -2333,6 +2333,41 @@ TRACE_EVENT(cfg80211_return_u32, TP_printk("ret: %u", __entry->ret) ); +TRACE_EVENT(cfg80211_report_wowlan_wakeup, + TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev, + struct cfg80211_wowlan_wakeup *wakeup), + TP_ARGS(wiphy, wdev, wakeup), + TP_STRUCT__entry( + WIPHY_ENTRY + WDEV_ENTRY + __field(bool, disconnect) + __field(bool, magic_pkt) + __field(bool, gtk_rekey_failure) + __field(bool, eap_identity_req) + __field(bool, four_way_handshake) + __field(bool, rfkill_release) + __field(s32, pattern_idx) + __field(u32, packet_len) + __dynamic_array(u8, packet, wakeup->packet_present_len) + ), + TP_fast_assign( + WIPHY_ASSIGN; + WDEV_ASSIGN; + __entry->disconnect = wakeup->disconnect; + __entry->magic_pkt = wakeup->magic_pkt; + __entry->gtk_rekey_failure = wakeup->gtk_rekey_failure; + __entry->eap_identity_req = wakeup->eap_identity_req; + __entry->four_way_handshake = wakeup->four_way_handshake; + __entry->rfkill_release = wakeup->rfkill_release; + __entry->pattern_idx = wakeup->pattern_idx; + __entry->packet_len = wakeup->packet_len; + if (wakeup->packet && wakeup->packet_present_len) + memcpy(__get_dynamic_array(packet), wakeup->packet, + wakeup->packet_present_len); + ), + TP_printk(WIPHY_PR_FMT ", " WDEV_PR_FMT, WIPHY_PR_ARG, WDEV_PR_ARG) +); + #endif /* !__RDEV_OPS_TRACE || TRACE_HEADER_MULTI_READ */ #undef TRACE_INCLUDE_PATH |
