From: Felix Fietkau Date: Thu, 1 Mar 2012 15:13:30 +0000 (+0000) Subject: mac80211: optimize mac address comparisons to improve performance X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=139e847e7cf04b0af3db9936a4872c4600b65b5f;p=openwrt%2Fstaging%2Fnbd.git mac80211: optimize mac address comparisons to improve performance SVN-Revision: 30763 --- diff --git a/package/mac80211/patches/300-pending_work.patch b/package/mac80211/patches/300-pending_work.patch index 87a30efa0d..d367b9f617 100644 --- a/package/mac80211/patches/300-pending_work.patch +++ b/package/mac80211/patches/300-pending_work.patch @@ -337,6 +337,21 @@ break; --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c +@@ -489,12 +489,12 @@ ieee80211_rx_mesh_check(struct ieee80211 + if (ieee80211_has_tods(hdr->frame_control) || + !ieee80211_has_fromds(hdr->frame_control)) + return RX_DROP_MONITOR; +- if (memcmp(hdr->addr3, dev_addr, ETH_ALEN) == 0) ++ if (compare_ether_addr(hdr->addr3, dev_addr) == 0) + return RX_DROP_MONITOR; + } else { + if (!ieee80211_has_a4(hdr->frame_control)) + return RX_DROP_MONITOR; +- if (memcmp(hdr->addr4, dev_addr, ETH_ALEN) == 0) ++ if (compare_ether_addr(hdr->addr4, dev_addr) == 0) + return RX_DROP_MONITOR; + } + } @@ -2282,6 +2282,7 @@ ieee80211_rx_h_action(struct ieee80211_r sdata->vif.type != NL80211_IFTYPE_MESH_POINT && sdata->vif.type != NL80211_IFTYPE_AP_VLAN && @@ -345,6 +360,15 @@ sdata->vif.type != NL80211_IFTYPE_ADHOC) break; +@@ -2336,7 +2337,7 @@ ieee80211_rx_h_action(struct ieee80211_r + if (sdata->vif.type != NL80211_IFTYPE_STATION) + break; + +- if (memcmp(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN)) ++ if (compare_ether_addr(mgmt->bssid, sdata->u.mgd.bssid)) + break; + + goto queue; @@ -2492,14 +2493,15 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_ if (!ieee80211_vif_is_mesh(&sdata->vif) && @@ -384,7 +408,33 @@ /* should never get here */ --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c -@@ -1050,7 +1050,7 @@ static void ieee80211_send_null_response +@@ -9,6 +9,7 @@ + + #include + #include ++#include + #include + #include + #include +@@ -101,7 +102,7 @@ struct sta_info *sta_info_get(struct iee + lockdep_is_held(&local->sta_mtx)); + while (sta) { + if (sta->sdata == sdata && +- memcmp(sta->sta.addr, addr, ETH_ALEN) == 0) ++ compare_ether_addr(sta->sta.addr, addr) == 0) + break; + sta = rcu_dereference_check(sta->hnext, + lockdep_is_held(&local->sta_mtx)); +@@ -124,7 +125,7 @@ struct sta_info *sta_info_get_bss(struct + while (sta) { + if ((sta->sdata == sdata || + (sta->sdata->bss && sta->sdata->bss == sdata->bss)) && +- memcmp(sta->sta.addr, addr, ETH_ALEN) == 0) ++ compare_ether_addr(sta->sta.addr, addr) == 0) + break; + sta = rcu_dereference_check(sta->hnext, + lockdep_is_held(&local->sta_mtx)); +@@ -1050,7 +1051,7 @@ static void ieee80211_send_null_response * exchange. Also set EOSP to indicate this packet * ends the poll/service period. */ @@ -393,7 +443,7 @@ IEEE80211_TX_STATUS_EOSP | IEEE80211_TX_CTL_REQ_TX_STATUS; -@@ -1177,7 +1177,7 @@ ieee80211_sta_ps_deliver_response(struct +@@ -1177,7 +1178,7 @@ ieee80211_sta_ps_deliver_response(struct * STA may still remain is PS mode after this frame * exchange. */ @@ -404,7 +454,15 @@ * Use MoreData flag to indicate whether there are --- a/net/mac80211/sta_info.h +++ b/net/mac80211/sta_info.h -@@ -31,7 +31,6 @@ +@@ -14,6 +14,7 @@ + #include + #include + #include ++#include + #include "key.h" + + /** +@@ -31,7 +32,6 @@ * @WLAN_STA_SHORT_PREAMBLE: Station is capable of receiving short-preamble * frames. * @WLAN_STA_WME: Station is a QoS-STA. @@ -412,7 +470,7 @@ * @WLAN_STA_CLEAR_PS_FILT: Clear PS filter in hardware (using the * IEEE80211_TX_CTL_CLEAR_PS_FILT control flag) when the next * frame to this station is transmitted. -@@ -62,7 +61,6 @@ enum ieee80211_sta_info_flags { +@@ -62,7 +62,6 @@ enum ieee80211_sta_info_flags { WLAN_STA_AUTHORIZED, WLAN_STA_SHORT_PREAMBLE, WLAN_STA_WME, @@ -420,6 +478,15 @@ WLAN_STA_CLEAR_PS_FILT, WLAN_STA_MFP, WLAN_STA_BLOCK_BA, +@@ -489,7 +488,7 @@ void for_each_sta_info_type_check(struct + nxt = _sta ? rcu_dereference(_sta->hnext) : NULL \ + ) \ + /* compare address and run code only if it matches */ \ +- if (memcmp(_sta->sta.addr, (_addr), ETH_ALEN) == 0) ++ if (compare_ether_addr(_sta->sta.addr, (_addr)) == 0) + + /* + * Get STA info by index, BROKEN! --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -448,18 +448,23 @@ ieee80211_tx_h_unicast_ps_buf(struct iee @@ -463,3 +530,468 @@ u8 ssid[IEEE80211_MAX_SSID_LEN]; u8 ssid_len, ie_len; u8 *ie; +--- a/net/mac80211/ibss.c ++++ b/net/mac80211/ibss.c +@@ -66,7 +66,7 @@ static void __ieee80211_sta_join_ibss(st + skb_reset_tail_pointer(skb); + skb_reserve(skb, sdata->local->hw.extra_tx_headroom); + +- if (memcmp(ifibss->bssid, bssid, ETH_ALEN)) ++ if (compare_ether_addr(ifibss->bssid, bssid)) + sta_info_flush(sdata->local, sdata); + + /* if merging, indicate to driver that we leave the old IBSS */ +@@ -403,7 +403,7 @@ static void ieee80211_rx_bss_info(struct + return; + + if (sdata->vif.type == NL80211_IFTYPE_ADHOC && +- memcmp(mgmt->bssid, sdata->u.ibss.bssid, ETH_ALEN) == 0) { ++ compare_ether_addr(mgmt->bssid, sdata->u.ibss.bssid) == 0) { + + rcu_read_lock(); + sta = sta_info_get(sdata, mgmt->sa); +@@ -508,7 +508,7 @@ static void ieee80211_rx_bss_info(struct + goto put_bss; + + /* same BSSID */ +- if (memcmp(cbss->bssid, sdata->u.ibss.bssid, ETH_ALEN) == 0) ++ if (compare_ether_addr(cbss->bssid, sdata->u.ibss.bssid) == 0) + goto put_bss; + + if (rx_status->flag & RX_FLAG_MACTIME_MPDU) { +@@ -831,8 +831,8 @@ static void ieee80211_rx_mgmt_probe_req( + if (!tx_last_beacon && is_multicast_ether_addr(mgmt->da)) + return; + +- if (memcmp(mgmt->bssid, ifibss->bssid, ETH_ALEN) != 0 && +- memcmp(mgmt->bssid, "\xff\xff\xff\xff\xff\xff", ETH_ALEN) != 0) ++ if (compare_ether_addr(mgmt->bssid, ifibss->bssid) != 0 && ++ !is_broadcast_ether_addr(mgmt->bssid)) + return; + + end = ((u8 *) mgmt) + len; +--- a/net/mac80211/mesh.c ++++ b/net/mac80211/mesh.c +@@ -204,7 +204,7 @@ int mesh_rmc_check(u8 *sa, struct ieee80 + kmem_cache_free(rm_cache, p); + --entries; + } else if ((seqnum == p->seqnum) && +- (memcmp(sa, p->sa, ETH_ALEN) == 0)) ++ (compare_ether_addr(sa, p->sa) == 0)) + return -1; + } + +--- a/net/mac80211/mesh_hwmp.c ++++ b/net/mac80211/mesh_hwmp.c +@@ -8,6 +8,7 @@ + */ + + #include ++#include + #include + #include "wme.h" + #include "mesh.h" +@@ -419,7 +420,7 @@ static u32 hwmp_route_info_get(struct ie + new_metric = MAX_METRIC; + exp_time = TU_TO_EXP_TIME(orig_lifetime); + +- if (memcmp(orig_addr, sdata->vif.addr, ETH_ALEN) == 0) { ++ if (compare_ether_addr(orig_addr, sdata->vif.addr) == 0) { + /* This MP is the originator, we are not interested in this + * frame, except for updating transmitter's path info. + */ +@@ -469,7 +470,7 @@ static u32 hwmp_route_info_get(struct ie + + /* Update and check transmitter routing info */ + ta = mgmt->sa; +- if (memcmp(orig_addr, ta, ETH_ALEN) == 0) ++ if (compare_ether_addr(orig_addr, ta) == 0) + fresh_info = false; + else { + fresh_info = true; +@@ -529,7 +530,7 @@ static void hwmp_preq_frame_process(stru + + mhwmp_dbg("received PREQ from %pM", orig_addr); + +- if (memcmp(target_addr, sdata->vif.addr, ETH_ALEN) == 0) { ++ if (compare_ether_addr(target_addr, sdata->vif.addr) == 0) { + mhwmp_dbg("PREQ is for us"); + forward = false; + reply = true; +@@ -624,7 +625,7 @@ static void hwmp_prep_frame_process(stru + mhwmp_dbg("received PREP from %pM", PREP_IE_ORIG_ADDR(prep_elem)); + + orig_addr = PREP_IE_ORIG_ADDR(prep_elem); +- if (memcmp(orig_addr, sdata->vif.addr, ETH_ALEN) == 0) ++ if (compare_ether_addr(orig_addr, sdata->vif.addr) == 0) + /* destination, no forwarding required */ + return; + +@@ -694,10 +695,12 @@ static void hwmp_perr_frame_process(stru + rcu_read_lock(); + mpath = mesh_path_lookup(target_addr, sdata); + if (mpath) { ++ struct sta_info *sta; ++ + spin_lock_bh(&mpath->state_lock); ++ sta = next_hop_deref_protected(mpath); + if (mpath->flags & MESH_PATH_ACTIVE && +- memcmp(ta, next_hop_deref_protected(mpath)->sta.addr, +- ETH_ALEN) == 0 && ++ compare_ether_addr(ta, sta->sta.addr) == 0 && + (!(mpath->flags & MESH_PATH_SN_VALID) || + SN_GT(target_sn, mpath->sn))) { + mpath->flags &= ~MESH_PATH_ACTIVE; +@@ -739,7 +742,7 @@ static void hwmp_rann_frame_process(stru + metric = rann->rann_metric; + + /* Ignore our own RANNs */ +- if (memcmp(orig_addr, sdata->vif.addr, ETH_ALEN) == 0) ++ if (compare_ether_addr(orig_addr, sdata->vif.addr) == 0) + return; + + mhwmp_dbg("received RANN from %pM (is_gate=%d)", orig_addr, +@@ -1064,7 +1067,7 @@ int mesh_nexthop_lookup(struct sk_buff * + if (time_after(jiffies, + mpath->exp_time - + msecs_to_jiffies(sdata->u.mesh.mshcfg.path_refresh_time)) && +- !memcmp(sdata->vif.addr, hdr->addr4, ETH_ALEN) && ++ !compare_ether_addr(sdata->vif.addr, hdr->addr4) && + !(mpath->flags & MESH_PATH_RESOLVING) && + !(mpath->flags & MESH_PATH_FIXED)) + mesh_queue_preq(mpath, PREQ_Q_F_START | PREQ_Q_F_REFRESH); +--- a/net/mac80211/mesh_pathtbl.c ++++ b/net/mac80211/mesh_pathtbl.c +@@ -350,7 +350,7 @@ static struct mesh_path *mpath_lookup(st + hlist_for_each_entry_rcu(node, n, bucket, list) { + mpath = node->mpath; + if (mpath->sdata == sdata && +- memcmp(dst, mpath->dst, ETH_ALEN) == 0) { ++ compare_ether_addr(dst, mpath->dst) == 0) { + if (MPATH_EXPIRED(mpath)) { + spin_lock_bh(&mpath->state_lock); + mpath->flags &= ~MESH_PATH_ACTIVE; +@@ -525,7 +525,7 @@ int mesh_path_add(u8 *dst, struct ieee80 + int err = 0; + u32 hash_idx; + +- if (memcmp(dst, sdata->vif.addr, ETH_ALEN) == 0) ++ if (compare_ether_addr(dst, sdata->vif.addr) == 0) + /* never add ourselves as neighbours */ + return -ENOTSUPP; + +@@ -566,7 +566,8 @@ int mesh_path_add(u8 *dst, struct ieee80 + err = -EEXIST; + hlist_for_each_entry(node, n, bucket, list) { + mpath = node->mpath; +- if (mpath->sdata == sdata && memcmp(dst, mpath->dst, ETH_ALEN) == 0) ++ if (mpath->sdata == sdata && ++ compare_ether_addr(dst, mpath->dst) == 0) + goto err_exists; + } + +@@ -657,7 +658,7 @@ int mpp_path_add(u8 *dst, u8 *mpp, struc + int err = 0; + u32 hash_idx; + +- if (memcmp(dst, sdata->vif.addr, ETH_ALEN) == 0) ++ if (compare_ether_addr(dst, sdata->vif.addr) == 0) + /* never add ourselves as neighbours */ + return -ENOTSUPP; + +@@ -694,7 +695,8 @@ int mpp_path_add(u8 *dst, u8 *mpp, struc + err = -EEXIST; + hlist_for_each_entry(node, n, bucket, list) { + mpath = node->mpath; +- if (mpath->sdata == sdata && memcmp(dst, mpath->dst, ETH_ALEN) == 0) ++ if (mpath->sdata == sdata && ++ compare_ether_addr(dst, mpath->dst) == 0) + goto err_exists; + } + +@@ -887,7 +889,7 @@ int mesh_path_del(u8 *addr, struct ieee8 + hlist_for_each_entry(node, n, bucket, list) { + mpath = node->mpath; + if (mpath->sdata == sdata && +- memcmp(addr, mpath->dst, ETH_ALEN) == 0) { ++ compare_ether_addr(addr, mpath->dst) == 0) { + __mesh_path_del(tbl, node); + goto enddel; + } +--- a/net/mac80211/mlme.c ++++ b/net/mac80211/mlme.c +@@ -1812,7 +1812,7 @@ ieee80211_rx_mgmt_auth(struct ieee80211_ + + memcpy(bssid, ifmgd->auth_data->bss->bssid, ETH_ALEN); + +- if (memcmp(bssid, mgmt->bssid, ETH_ALEN)) ++ if (compare_ether_addr(bssid, mgmt->bssid)) + return RX_MGMT_NONE; + + auth_alg = le16_to_cpu(mgmt->u.auth.auth_alg); +@@ -1893,7 +1893,7 @@ ieee80211_rx_mgmt_deauth(struct ieee8021 + return RX_MGMT_NONE; + + if (!ifmgd->associated || +- memcmp(mgmt->bssid, ifmgd->associated->bssid, ETH_ALEN)) ++ compare_ether_addr(mgmt->bssid, ifmgd->associated->bssid)) + return RX_MGMT_NONE; + + bssid = ifmgd->associated->bssid; +@@ -1925,7 +1925,7 @@ ieee80211_rx_mgmt_disassoc(struct ieee80 + return RX_MGMT_NONE; + + if (!ifmgd->associated || +- memcmp(mgmt->bssid, ifmgd->associated->bssid, ETH_ALEN)) ++ compare_ether_addr(mgmt->bssid, ifmgd->associated->bssid)) + return RX_MGMT_NONE; + + reason_code = le16_to_cpu(mgmt->u.disassoc.reason_code); +@@ -2190,7 +2190,7 @@ ieee80211_rx_mgmt_assoc_resp(struct ieee + + if (!assoc_data) + return RX_MGMT_NONE; +- if (memcmp(assoc_data->bss->bssid, mgmt->bssid, ETH_ALEN)) ++ if (compare_ether_addr(assoc_data->bss->bssid, mgmt->bssid)) + return RX_MGMT_NONE; + + /* +@@ -2278,8 +2278,8 @@ static void ieee80211_rx_bss_info(struct + bool need_ps = false; + + if (sdata->u.mgd.associated && +- memcmp(mgmt->bssid, sdata->u.mgd.associated->bssid, +- ETH_ALEN) == 0) { ++ compare_ether_addr(mgmt->bssid, sdata->u.mgd.associated->bssid) ++ == 0) { + bss = (void *)sdata->u.mgd.associated->priv; + /* not previously set so we may need to recalc */ + need_ps = !bss->dtim_period; +@@ -2334,7 +2334,7 @@ static void ieee80211_rx_mgmt_probe_resp + + ASSERT_MGD_MTX(ifmgd); + +- if (memcmp(mgmt->da, sdata->vif.addr, ETH_ALEN)) ++ if (compare_ether_addr(mgmt->da, sdata->vif.addr)) + return; /* ignore ProbeResp to foreign address */ + + baselen = (u8 *) mgmt->u.probe_resp.variable - (u8 *) mgmt; +@@ -2347,11 +2347,12 @@ static void ieee80211_rx_mgmt_probe_resp + ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, &elems, false); + + if (ifmgd->associated && +- memcmp(mgmt->bssid, ifmgd->associated->bssid, ETH_ALEN) == 0) ++ compare_ether_addr(mgmt->bssid, ifmgd->associated->bssid) == 0) + ieee80211_reset_ap_probe(sdata); + + if (ifmgd->auth_data && !ifmgd->auth_data->bss->proberesp_ies && +- memcmp(mgmt->bssid, ifmgd->auth_data->bss->bssid, ETH_ALEN) == 0) { ++ compare_ether_addr(mgmt->bssid, ifmgd->auth_data->bss->bssid) ++ == 0) { + /* got probe response, continue with auth */ + printk(KERN_DEBUG "%s: direct probe responded\n", sdata->name); + ifmgd->auth_data->tries = 0; +@@ -2408,7 +2409,8 @@ static void ieee80211_rx_mgmt_beacon(str + return; + + if (ifmgd->assoc_data && !ifmgd->assoc_data->have_beacon && +- memcmp(mgmt->bssid, ifmgd->assoc_data->bss->bssid, ETH_ALEN) == 0) { ++ compare_ether_addr(mgmt->bssid, ifmgd->assoc_data->bss->bssid) ++ == 0) { + ieee802_11_parse_elems(mgmt->u.beacon.variable, + len - baselen, &elems); + +@@ -2423,7 +2425,7 @@ static void ieee80211_rx_mgmt_beacon(str + } + + if (!ifmgd->associated || +- memcmp(mgmt->bssid, ifmgd->associated->bssid, ETH_ALEN)) ++ compare_ether_addr(mgmt->bssid, ifmgd->associated->bssid)) + return; + bssid = ifmgd->associated->bssid; + +@@ -3285,7 +3287,7 @@ int ieee80211_mgd_assoc(struct ieee80211 + bool match; + + /* keep sta info, bssid if matching */ +- match = memcmp(ifmgd->bssid, req->bss->bssid, ETH_ALEN) == 0; ++ match = compare_ether_addr(ifmgd->bssid, req->bss->bssid) == 0; + ieee80211_destroy_auth_data(sdata, match); + } + +@@ -3407,7 +3409,7 @@ int ieee80211_mgd_assoc(struct ieee80211 + goto err_clear; + } + } else +- WARN_ON_ONCE(memcmp(ifmgd->bssid, req->bss->bssid, ETH_ALEN)); ++ WARN_ON_ONCE(compare_ether_addr(ifmgd->bssid, req->bss->bssid)); + + if (!bss->dtim_period && + sdata->local->hw.flags & IEEE80211_HW_NEED_DTIM_PERIOD) { +@@ -3448,7 +3450,7 @@ int ieee80211_mgd_deauth(struct ieee8021 + mutex_lock(&ifmgd->mtx); + + if (ifmgd->associated && +- memcmp(ifmgd->associated->bssid, req->bssid, ETH_ALEN) == 0) { ++ compare_ether_addr(ifmgd->associated->bssid, req->bssid) == 0) { + ieee80211_set_disassoc(sdata, false, true); + assoc_bss = true; + } else if (ifmgd->auth_data) { +--- a/net/mac80211/status.c ++++ b/net/mac80211/status.c +@@ -10,6 +10,7 @@ + */ + + #include ++#include + #include + #include + #include "ieee80211_i.h" +@@ -377,7 +378,7 @@ void ieee80211_tx_status(struct ieee8021 + + for_each_sta_info(local, hdr->addr1, sta, tmp) { + /* skip wrong virtual interface */ +- if (memcmp(hdr->addr2, sta->sdata->vif.addr, ETH_ALEN)) ++ if (compare_ether_addr(hdr->addr2, sta->sdata->vif.addr)) + continue; + + if (info->flags & IEEE80211_TX_STATUS_EOSP) +--- a/net/wireless/mlme.c ++++ b/net/wireless/mlme.c +@@ -6,6 +6,7 @@ + + #include + #include ++#include + #include + #include + #include +@@ -100,7 +101,7 @@ void __cfg80211_send_deauth(struct net_d + ASSERT_WDEV_LOCK(wdev); + + if (wdev->current_bss && +- memcmp(wdev->current_bss->pub.bssid, bssid, ETH_ALEN) == 0) { ++ compare_ether_addr(wdev->current_bss->pub.bssid, bssid) == 0) { + cfg80211_unhold_bss(wdev->current_bss); + cfg80211_put_bss(&wdev->current_bss->pub); + wdev->current_bss = NULL; +@@ -115,7 +116,7 @@ void __cfg80211_send_deauth(struct net_d + + reason_code = le16_to_cpu(mgmt->u.deauth.reason_code); + +- from_ap = memcmp(mgmt->sa, dev->dev_addr, ETH_ALEN) != 0; ++ from_ap = compare_ether_addr(mgmt->sa, dev->dev_addr) != 0; + __cfg80211_disconnected(dev, NULL, 0, reason_code, from_ap); + } else if (wdev->sme_state == CFG80211_SME_CONNECTING) { + __cfg80211_connect_result(dev, mgmt->bssid, NULL, 0, NULL, 0, +@@ -154,7 +155,7 @@ void __cfg80211_send_disassoc(struct net + return; + + if (wdev->current_bss && +- memcmp(wdev->current_bss->pub.bssid, bssid, ETH_ALEN) == 0) { ++ compare_ether_addr(wdev->current_bss->pub.bssid, bssid) == 0) { + cfg80211_sme_disassoc(dev, wdev->current_bss); + cfg80211_unhold_bss(wdev->current_bss); + cfg80211_put_bss(&wdev->current_bss->pub); +@@ -165,7 +166,7 @@ void __cfg80211_send_disassoc(struct net + + reason_code = le16_to_cpu(mgmt->u.disassoc.reason_code); + +- from_ap = memcmp(mgmt->sa, dev->dev_addr, ETH_ALEN) != 0; ++ from_ap = compare_ether_addr(mgmt->sa, dev->dev_addr) != 0; + __cfg80211_disconnected(dev, NULL, 0, reason_code, from_ap); + } + EXPORT_SYMBOL(__cfg80211_send_disassoc); +@@ -285,7 +286,7 @@ int __cfg80211_mlme_auth(struct cfg80211 + return -EINVAL; + + if (wdev->current_bss && +- memcmp(bssid, wdev->current_bss->pub.bssid, ETH_ALEN) == 0) ++ compare_ether_addr(bssid, wdev->current_bss->pub.bssid) == 0) + return -EALREADY; + + memset(&req, 0, sizeof(req)); +@@ -362,7 +363,7 @@ int __cfg80211_mlme_assoc(struct cfg8021 + memset(&req, 0, sizeof(req)); + + if (wdev->current_bss && prev_bssid && +- memcmp(wdev->current_bss->pub.bssid, prev_bssid, ETH_ALEN) == 0) { ++ compare_ether_addr(wdev->current_bss->pub.bssid, prev_bssid) == 0) { + /* + * Trying to reassociate: Allow this to proceed and let the old + * association to be dropped when the new one is completed. +@@ -446,7 +447,8 @@ int __cfg80211_mlme_deauth(struct cfg802 + + if (local_state_change) { + if (wdev->current_bss && +- memcmp(wdev->current_bss->pub.bssid, bssid, ETH_ALEN) == 0) { ++ compare_ether_addr(wdev->current_bss->pub.bssid, bssid) ++ == 0) { + cfg80211_unhold_bss(wdev->current_bss); + cfg80211_put_bss(&wdev->current_bss->pub); + wdev->current_bss = NULL; +@@ -495,7 +497,7 @@ static int __cfg80211_mlme_disassoc(stru + req.local_state_change = local_state_change; + req.ie = ie; + req.ie_len = ie_len; +- if (memcmp(wdev->current_bss->pub.bssid, bssid, ETH_ALEN) == 0) ++ if (compare_ether_addr(wdev->current_bss->pub.bssid, bssid) == 0) + req.bss = &wdev->current_bss->pub; + else + return -ENOTCONN; +@@ -758,8 +760,8 @@ int cfg80211_mlme_mgmt_tx(struct cfg8021 + break; + } + +- if (memcmp(wdev->current_bss->pub.bssid, +- mgmt->bssid, ETH_ALEN)) { ++ if (compare_ether_addr(wdev->current_bss->pub.bssid, ++ mgmt->bssid)) { + err = -ENOTCONN; + break; + } +@@ -772,8 +774,8 @@ int cfg80211_mlme_mgmt_tx(struct cfg8021 + break; + + /* for station, check that DA is the AP */ +- if (memcmp(wdev->current_bss->pub.bssid, +- mgmt->da, ETH_ALEN)) { ++ if (compare_ether_addr(wdev->current_bss->pub.bssid, ++ mgmt->da)) { + err = -ENOTCONN; + break; + } +@@ -781,11 +783,11 @@ int cfg80211_mlme_mgmt_tx(struct cfg8021 + case NL80211_IFTYPE_AP: + case NL80211_IFTYPE_P2P_GO: + case NL80211_IFTYPE_AP_VLAN: +- if (memcmp(mgmt->bssid, dev->dev_addr, ETH_ALEN)) ++ if (compare_ether_addr(mgmt->bssid, dev->dev_addr)) + err = -EINVAL; + break; + case NL80211_IFTYPE_MESH_POINT: +- if (memcmp(mgmt->sa, mgmt->bssid, ETH_ALEN)) { ++ if (compare_ether_addr(mgmt->sa, mgmt->bssid)) { + err = -EINVAL; + break; + } +@@ -804,7 +806,7 @@ int cfg80211_mlme_mgmt_tx(struct cfg8021 + return err; + } + +- if (memcmp(mgmt->sa, dev->dev_addr, ETH_ALEN) != 0) ++ if (compare_ether_addr(mgmt->sa, dev->dev_addr) != 0) + return -EINVAL; + + /* Transmit the Action frame as requested by user space */ +--- a/net/wireless/scan.c ++++ b/net/wireless/scan.c +@@ -378,7 +378,7 @@ static int cmp_bss_core(struct cfg80211_ + b->len_information_elements); + } + +- return memcmp(a->bssid, b->bssid, ETH_ALEN); ++ return compare_ether_addr(a->bssid, b->bssid); + } + + static int cmp_bss(struct cfg80211_bss *a, diff --git a/package/mac80211/patches/551-ath9k_per_chain_signal_strength.patch b/package/mac80211/patches/551-ath9k_per_chain_signal_strength.patch index 778a1d0b42..a47db4e90f 100644 --- a/package/mac80211/patches/551-ath9k_per_chain_signal_strength.patch +++ b/package/mac80211/patches/551-ath9k_per_chain_signal_strength.patch @@ -23,7 +23,7 @@ int antenna; --- a/net/mac80211/sta_info.h +++ b/net/mac80211/sta_info.h -@@ -312,6 +312,11 @@ struct sta_info { +@@ -313,6 +313,11 @@ struct sta_info { unsigned long rx_dropped; int last_signal; struct ewma avg_signal; @@ -67,7 +67,7 @@ * exchange sequence. --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c -@@ -255,6 +255,8 @@ struct sta_info *sta_info_alloc(struct i +@@ -256,6 +256,8 @@ struct sta_info *sta_info_alloc(struct i do_posix_clock_monotonic_gettime(&uptime); sta->last_connected = uptime.tv_sec; ewma_init(&sta->avg_signal, 1024, 8);