diff options
Diffstat (limited to 'net/mac80211/mesh_plink.c')
-rw-r--r-- | net/mac80211/mesh_plink.c | 134 |
1 files changed, 67 insertions, 67 deletions
diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c index f7526e509aa..07d396d5707 100644 --- a/net/mac80211/mesh_plink.c +++ b/net/mac80211/mesh_plink.c @@ -37,9 +37,31 @@ enum plink_event { CLS_IGNR }; +static const char * const mplstates[] = { + [NL80211_PLINK_LISTEN] = "LISTEN", + [NL80211_PLINK_OPN_SNT] = "OPN-SNT", + [NL80211_PLINK_OPN_RCVD] = "OPN-RCVD", + [NL80211_PLINK_CNF_RCVD] = "CNF_RCVD", + [NL80211_PLINK_ESTAB] = "ESTAB", + [NL80211_PLINK_HOLDING] = "HOLDING", + [NL80211_PLINK_BLOCKED] = "BLOCKED" +}; + +static const char * const mplevents[] = { + [PLINK_UNDEFINED] = "NONE", + [OPN_ACPT] = "OPN_ACPT", + [OPN_RJCT] = "OPN_RJCT", + [OPN_IGNR] = "OPN_IGNR", + [CNF_ACPT] = "CNF_ACPT", + [CNF_RJCT] = "CNF_RJCT", + [CNF_IGNR] = "CNF_IGNR", + [CLS_ACPT] = "CLS_ACPT", + [CLS_IGNR] = "CLS_IGNR" +}; + static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata, - enum ieee80211_self_protected_actioncode action, - u8 *da, __le16 llid, __le16 plid, __le16 reason); + enum ieee80211_self_protected_actioncode action, + u8 *da, __le16 llid, __le16 plid, __le16 reason); /** * mesh_plink_fsm_restart - restart a mesh peer link finite state machine @@ -129,7 +151,6 @@ static u32 mesh_set_ht_prot_mode(struct ieee80211_sub_if_data *sdata) { struct ieee80211_local *local = sdata->local; struct sta_info *sta; - u32 changed = 0; u16 ht_opmode; bool non_ht_sta = false, ht20_sta = false; @@ -142,23 +163,19 @@ static u32 mesh_set_ht_prot_mode(struct ieee80211_sub_if_data *sdata) sta->plink_state != NL80211_PLINK_ESTAB) continue; - switch (sta->ch_width) { - case NL80211_CHAN_WIDTH_20_NOHT: - mpl_dbg(sdata, - "mesh_plink %pM: nonHT sta (%pM) is present\n", - sdata->vif.addr, sta->sta.addr); + if (sta->sta.bandwidth > IEEE80211_STA_RX_BW_20) + continue; + + if (!sta->sta.ht_cap.ht_supported) { + mpl_dbg(sdata, "nonHT sta (%pM) is present\n", + sta->sta.addr); non_ht_sta = true; - goto out; - case NL80211_CHAN_WIDTH_20: - mpl_dbg(sdata, - "mesh_plink %pM: HT20 sta (%pM) is present\n", - sdata->vif.addr, sta->sta.addr); - ht20_sta = true; - default: break; } + + mpl_dbg(sdata, "HT20 sta (%pM) is present\n", sta->sta.addr); + ht20_sta = true; } -out: rcu_read_unlock(); if (non_ht_sta) @@ -169,16 +186,13 @@ out: else ht_opmode = IEEE80211_HT_OP_MODE_PROTECTION_NONE; - if (sdata->vif.bss_conf.ht_operation_mode != ht_opmode) { - sdata->vif.bss_conf.ht_operation_mode = ht_opmode; - sdata->u.mesh.mshcfg.ht_opmode = ht_opmode; - changed = BSS_CHANGED_HT; - mpl_dbg(sdata, - "mesh_plink %pM: protection mode changed to %d\n", - sdata->vif.addr, ht_opmode); - } + if (sdata->vif.bss_conf.ht_operation_mode == ht_opmode) + return 0; - return changed; + sdata->vif.bss_conf.ht_operation_mode = ht_opmode; + sdata->u.mesh.mshcfg.ht_opmode = ht_opmode; + mpl_dbg(sdata, "selected new HT protection mode %d\n", ht_opmode); + return BSS_CHANGED_HT; } /** @@ -231,8 +245,9 @@ u32 mesh_plink_deactivate(struct sta_info *sta) } static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata, - enum ieee80211_self_protected_actioncode action, - u8 *da, __le16 llid, __le16 plid, __le16 reason) { + enum ieee80211_self_protected_actioncode action, + u8 *da, __le16 llid, __le16 plid, __le16 reason) +{ struct ieee80211_local *local = sdata->local; struct sk_buff *skb; struct ieee80211_tx_info *info; @@ -283,13 +298,13 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata, } if (ieee80211_add_srates_ie(sdata, skb, true, band) || ieee80211_add_ext_srates_ie(sdata, skb, true, band) || - mesh_add_rsn_ie(skb, sdata) || - mesh_add_meshid_ie(skb, sdata) || - mesh_add_meshconf_ie(skb, sdata)) + mesh_add_rsn_ie(sdata, skb) || + mesh_add_meshid_ie(sdata, skb) || + mesh_add_meshconf_ie(sdata, skb)) goto free; } else { /* WLAN_SP_MESH_PEERING_CLOSE */ info->flags |= IEEE80211_TX_CTL_NO_ACK; - if (mesh_add_meshid_ie(skb, sdata)) + if (mesh_add_meshid_ie(sdata, skb)) goto free; } @@ -333,12 +348,12 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata, } if (action != WLAN_SP_MESH_PEERING_CLOSE) { - if (mesh_add_ht_cap_ie(skb, sdata) || - mesh_add_ht_oper_ie(skb, sdata)) + if (mesh_add_ht_cap_ie(sdata, skb) || + mesh_add_ht_oper_ie(sdata, skb)) goto free; } - if (mesh_add_vendor_ies(skb, sdata)) + if (mesh_add_vendor_ies(sdata, skb)) goto free; ieee80211_tx_skb(sdata, skb); @@ -370,24 +385,18 @@ static void mesh_sta_info_init(struct ieee80211_sub_if_data *sdata, if (sta->sta.supp_rates[band] != rates) changed |= IEEE80211_RC_SUPP_RATES_CHANGED; sta->sta.supp_rates[band] = rates; - if (elems->ht_cap_elem && - sdata->vif.bss_conf.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) - ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband, - elems->ht_cap_elem, sta); - else - memset(&sta->sta.ht_cap, 0, sizeof(sta->sta.ht_cap)); - if (elems->ht_operation) { - struct cfg80211_chan_def chandef; + if (ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband, + elems->ht_cap_elem, sta)) + changed |= IEEE80211_RC_BW_CHANGED; - if (!(elems->ht_operation->ht_param & - IEEE80211_HT_PARAM_CHAN_WIDTH_ANY)) - sta->sta.bandwidth = IEEE80211_STA_RX_BW_20; - ieee80211_ht_oper_to_chandef(sdata->vif.bss_conf.chandef.chan, - elems->ht_operation, &chandef); - if (sta->ch_width != chandef.width) + /* HT peer is operating 20MHz-only */ + if (elems->ht_operation && + !(elems->ht_operation->ht_param & + IEEE80211_HT_PARAM_CHAN_WIDTH_ANY)) { + if (sta->sta.bandwidth != IEEE80211_STA_RX_BW_20) changed |= IEEE80211_RC_BW_CHANGED; - sta->ch_width = chandef.width; + sta->sta.bandwidth = IEEE80211_STA_RX_BW_20; } if (insert) @@ -666,8 +675,9 @@ u32 mesh_plink_block(struct sta_info *sta) } -void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_mgmt *mgmt, - size_t len, struct ieee80211_rx_status *rx_status) +void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, + struct ieee80211_mgmt *mgmt, size_t len, + struct ieee80211_rx_status *rx_status) { struct mesh_config *mshcfg = &sdata->u.mesh.mshcfg; struct ieee802_11_elems elems; @@ -680,15 +690,6 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m u8 *baseaddr; u32 changed = 0; __le16 plid, llid, reason; - static const char *mplstates[] = { - [NL80211_PLINK_LISTEN] = "LISTEN", - [NL80211_PLINK_OPN_SNT] = "OPN-SNT", - [NL80211_PLINK_OPN_RCVD] = "OPN-RCVD", - [NL80211_PLINK_CNF_RCVD] = "CNF_RCVD", - [NL80211_PLINK_ESTAB] = "ESTAB", - [NL80211_PLINK_HOLDING] = "HOLDING", - [NL80211_PLINK_BLOCKED] = "BLOCKED" - }; /* need action_code, aux */ if (len < IEEE80211_MIN_ACTION_SIZE + 3) @@ -708,13 +709,15 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m baselen += 4; } ieee802_11_parse_elems(baseaddr, len - baselen, &elems); + if (!elems.peering) { mpl_dbg(sdata, "Mesh plink: missing necessary peer link ie\n"); return; } + if (elems.rsn_len && - sdata->u.mesh.security == IEEE80211_MESH_SEC_NONE) { + sdata->u.mesh.security == IEEE80211_MESH_SEC_NONE) { mpl_dbg(sdata, "Mesh plink: can't establish link with secure peer\n"); return; @@ -733,7 +736,7 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m } if (ftype != WLAN_SP_MESH_PEERING_CLOSE && - (!elems.mesh_id || !elems.mesh_config)) { + (!elems.mesh_id || !elems.mesh_config)) { mpl_dbg(sdata, "Mesh plink: missing necessary ie\n"); return; } @@ -859,11 +862,8 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m } } - mpl_dbg(sdata, - "Mesh plink (peer, state, llid, plid, event): %pM %s %d %d %d\n", - mgmt->sa, mplstates[sta->plink_state], - le16_to_cpu(sta->llid), le16_to_cpu(sta->plid), - event); + mpl_dbg(sdata, "peer %pM in state %s got event %s\n", mgmt->sa, + mplstates[sta->plink_state], mplevents[event]); reason = 0; spin_lock_bh(&sta->lock); switch (sta->plink_state) { |