2 * This program is free software; you can redistribute it and/or modify
3 * it under the terms of the GNU General Public License version 2 as
4 * published by the Free Software Foundation.
6 #include <net/mac80211.h>
7 #include "ieee80211_i.h"
9 #include "driver-ops.h"
11 int drv_add_interface(struct ieee80211_local *local,
12 struct ieee80211_sub_if_data *sdata)
18 if (WARN_ON(sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
19 (sdata->vif.type == NL80211_IFTYPE_MONITOR &&
20 !ieee80211_hw_check(&local->hw, WANT_MONITOR_VIF) &&
21 !(sdata->u.mntr_flags & MONITOR_FLAG_ACTIVE))))
24 trace_drv_add_interface(local, sdata);
25 ret = local->ops->add_interface(&local->hw, &sdata->vif);
26 trace_drv_return_int(local, ret);
29 sdata->flags |= IEEE80211_SDATA_IN_DRIVER;
34 int drv_change_interface(struct ieee80211_local *local,
35 struct ieee80211_sub_if_data *sdata,
36 enum nl80211_iftype type, bool p2p)
42 if (!check_sdata_in_driver(sdata))
45 trace_drv_change_interface(local, sdata, type, p2p);
46 ret = local->ops->change_interface(&local->hw, &sdata->vif, type, p2p);
47 trace_drv_return_int(local, ret);
51 void drv_remove_interface(struct ieee80211_local *local,
52 struct ieee80211_sub_if_data *sdata)
56 if (!check_sdata_in_driver(sdata))
59 trace_drv_remove_interface(local, sdata);
60 local->ops->remove_interface(&local->hw, &sdata->vif);
61 sdata->flags &= ~IEEE80211_SDATA_IN_DRIVER;
62 trace_drv_return_void(local);
66 int drv_sta_state(struct ieee80211_local *local,
67 struct ieee80211_sub_if_data *sdata,
69 enum ieee80211_sta_state old_state,
70 enum ieee80211_sta_state new_state)
76 sdata = get_bss_sdata(sdata);
77 if (!check_sdata_in_driver(sdata))
80 trace_drv_sta_state(local, sdata, &sta->sta, old_state, new_state);
81 if (local->ops->sta_state) {
82 ret = local->ops->sta_state(&local->hw, &sdata->vif, &sta->sta,
83 old_state, new_state);
84 } else if (old_state == IEEE80211_STA_AUTH &&
85 new_state == IEEE80211_STA_ASSOC) {
86 ret = drv_sta_add(local, sdata, &sta->sta);
89 } else if (old_state == IEEE80211_STA_ASSOC &&
90 new_state == IEEE80211_STA_AUTH) {
91 drv_sta_remove(local, sdata, &sta->sta);
93 trace_drv_return_int(local, ret);
97 void drv_sta_rc_update(struct ieee80211_local *local,
98 struct ieee80211_sub_if_data *sdata,
99 struct ieee80211_sta *sta, u32 changed)
101 sdata = get_bss_sdata(sdata);
102 if (!check_sdata_in_driver(sdata))
105 WARN_ON(changed & IEEE80211_RC_SUPP_RATES_CHANGED &&
106 (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
107 sdata->vif.type != NL80211_IFTYPE_MESH_POINT));
109 trace_drv_sta_rc_update(local, sdata, sta, changed);
110 if (local->ops->sta_rc_update)
111 local->ops->sta_rc_update(&local->hw, &sdata->vif,
114 trace_drv_return_void(local);
117 int drv_conf_tx(struct ieee80211_local *local,
118 struct ieee80211_sub_if_data *sdata, u16 ac,
119 const struct ieee80211_tx_queue_params *params)
121 int ret = -EOPNOTSUPP;
125 if (!check_sdata_in_driver(sdata))
128 if (WARN_ONCE(params->cw_min == 0 ||
129 params->cw_min > params->cw_max,
130 "%s: invalid CW_min/CW_max: %d/%d\n",
131 sdata->name, params->cw_min, params->cw_max))
134 trace_drv_conf_tx(local, sdata, ac, params);
135 if (local->ops->conf_tx)
136 ret = local->ops->conf_tx(&local->hw, &sdata->vif,
138 trace_drv_return_int(local, ret);
142 u64 drv_get_tsf(struct ieee80211_local *local,
143 struct ieee80211_sub_if_data *sdata)
149 if (!check_sdata_in_driver(sdata))
152 trace_drv_get_tsf(local, sdata);
153 if (local->ops->get_tsf)
154 ret = local->ops->get_tsf(&local->hw, &sdata->vif);
155 trace_drv_return_u64(local, ret);
159 void drv_set_tsf(struct ieee80211_local *local,
160 struct ieee80211_sub_if_data *sdata,
165 if (!check_sdata_in_driver(sdata))
168 trace_drv_set_tsf(local, sdata, tsf);
169 if (local->ops->set_tsf)
170 local->ops->set_tsf(&local->hw, &sdata->vif, tsf);
171 trace_drv_return_void(local);
174 void drv_reset_tsf(struct ieee80211_local *local,
175 struct ieee80211_sub_if_data *sdata)
179 if (!check_sdata_in_driver(sdata))
182 trace_drv_reset_tsf(local, sdata);
183 if (local->ops->reset_tsf)
184 local->ops->reset_tsf(&local->hw, &sdata->vif);
185 trace_drv_return_void(local);
188 int drv_switch_vif_chanctx(struct ieee80211_local *local,
189 struct ieee80211_vif_chanctx_switch *vifs,
190 int n_vifs, enum ieee80211_chanctx_switch_mode mode)
195 if (!local->ops->switch_vif_chanctx)
198 for (i = 0; i < n_vifs; i++) {
199 struct ieee80211_chanctx *new_ctx =
200 container_of(vifs[i].new_ctx,
201 struct ieee80211_chanctx,
203 struct ieee80211_chanctx *old_ctx =
204 container_of(vifs[i].old_ctx,
205 struct ieee80211_chanctx,
208 WARN_ON_ONCE(!old_ctx->driver_present);
209 WARN_ON_ONCE((mode == CHANCTX_SWMODE_SWAP_CONTEXTS &&
210 new_ctx->driver_present) ||
211 (mode == CHANCTX_SWMODE_REASSIGN_VIF &&
212 !new_ctx->driver_present));
215 trace_drv_switch_vif_chanctx(local, vifs, n_vifs, mode);
216 ret = local->ops->switch_vif_chanctx(&local->hw,
218 trace_drv_return_int(local, ret);
220 if (!ret && mode == CHANCTX_SWMODE_SWAP_CONTEXTS) {
221 for (i = 0; i < n_vifs; i++) {
222 struct ieee80211_chanctx *new_ctx =
223 container_of(vifs[i].new_ctx,
224 struct ieee80211_chanctx,
226 struct ieee80211_chanctx *old_ctx =
227 container_of(vifs[i].old_ctx,
228 struct ieee80211_chanctx,
231 new_ctx->driver_present = true;
232 old_ctx->driver_present = false;
239 int drv_ampdu_action(struct ieee80211_local *local,
240 struct ieee80211_sub_if_data *sdata,
241 enum ieee80211_ampdu_mlme_action action,
242 struct ieee80211_sta *sta, u16 tid,
243 u16 *ssn, u8 buf_size, bool amsdu)
245 int ret = -EOPNOTSUPP;
249 sdata = get_bss_sdata(sdata);
250 if (!check_sdata_in_driver(sdata))
253 trace_drv_ampdu_action(local, sdata, action, sta, tid,
254 ssn, buf_size, amsdu);
256 if (local->ops->ampdu_action)
257 ret = local->ops->ampdu_action(&local->hw, &sdata->vif, action,
258 sta, tid, ssn, buf_size, amsdu);
260 trace_drv_return_int(local, ret);