2  * Operating Channel Validation (OCV)
16  * Caller of OCV functionality may use various debug output functions, so store
17  * the error here and let the caller use an appropriate debug output function.
26 	oci->freq = ieee80211_chan_to_freq(NULL, oci->op_class, oci->channel);  in ocv_derive_all_parameters()
27 	if (oci->freq < 0) {  in ocv_derive_all_parameters()
29 			   "Error interpreting OCI: unrecognized opclass/channel pair (%d/%d)",  in ocv_derive_all_parameters()
30 			   oci->op_class, oci->channel);  in ocv_derive_all_parameters()
31 		return -1;  in ocv_derive_all_parameters()
34 	op_class_map = get_oper_class(NULL, oci->op_class);  in ocv_derive_all_parameters()
38 			   oci->op_class);  in ocv_derive_all_parameters()
39 		return -1;  in ocv_derive_all_parameters()
42 	oci->chanwidth = oper_class_bw_to_int(op_class_map);  in ocv_derive_all_parameters()
43 	oci->sec_channel = 0;  in ocv_derive_all_parameters()
44 	if (op_class_map->bw == BW40PLUS)  in ocv_derive_all_parameters()
45 		oci->sec_channel = 1;  in ocv_derive_all_parameters()
46 	else if (op_class_map->bw == BW40MINUS)  in ocv_derive_all_parameters()
47 		oci->sec_channel = -1;  in ocv_derive_all_parameters()
48 	else if (op_class_map->bw == BW40)  in ocv_derive_all_parameters()
49 		oci->sec_channel = (((oci->channel - 1) / 4) % 2) ? -1 : 1;  in ocv_derive_all_parameters()
57 	u8 op_class, channel;  in ocv_insert_oci()  local
60 	if (ieee80211_chaninfo_to_channel(ci->frequency, ci->chanwidth,  in ocv_insert_oci()
61 					  ci->sec_channel,  in ocv_insert_oci()
62 					  &op_class, &channel) < 0) {  in ocv_insert_oci()
64 			   "Cannot determine operating class and channel for OCI element");  in ocv_insert_oci()
65 		return -1;  in ocv_insert_oci()
69 	*pos++ = channel;  in ocv_insert_oci()
70 	*pos++ = ci->seg1_idx;  in ocv_insert_oci()
122 	oci.channel = oci_ie[1];  in ocv_verify_tx_params()
131 	if ((int) ci->frequency != oci.freq) {  in ocv_verify_tx_params()
133 			    "primary channel mismatch in received OCI (we use %d but receiver is using %d)",  in ocv_verify_tx_params()
134 			    ci->frequency, oci.freq);  in ocv_verify_tx_params()
142 			    "channel bandwidth mismatch in received OCI (we use %d but receiver only supports %d)",  in ocv_verify_tx_params()
148 	 * Secondary channel only needs be checked for 40 MHz in the 2.4 GHz  in ocv_verify_tx_params()
150 	 * Note that the field ci->sec_channel is only filled in when we use  in ocv_verify_tx_params()
153 	if (tx_chanwidth == 40 && ci->frequency < 2500 &&  in ocv_verify_tx_params()
154 	    ci->sec_channel != oci.sec_channel) {  in ocv_verify_tx_params()
156 			    "secondary channel mismatch in received OCI (we use %d but receiver is using %d)",  in ocv_verify_tx_params()
157 			    ci->sec_channel, oci.sec_channel);  in ocv_verify_tx_params()
162 	 * When using an 80+80 MHz channel to transmit, verify that we use  in ocv_verify_tx_params()
165 	if (ci->chanwidth == CHAN_WIDTH_80P80 &&  in ocv_verify_tx_params()
168 			    "frequency segment 1 mismatch in received OCI (we use %d but receiver is using %d)",  in ocv_verify_tx_params()