ath9k: remove WDS code

The ability to reach this code was hidden behind
CONFIG_WIRELESS_WDS, which was just removed. Clean
up the driver accordingly.

Link: https://lore.kernel.org/r/20201109105103.e1d48ee20b0a.I89f8af0d50a02ce16a922fa790d6c1908f31a496@changeidAcked-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

drivers/net/wireless/ath/ath9k/ath9k.h

@@ -661,7 +661,6 @@ struct ath9k_vif_iter_data {
 	int naps;      /* number of AP vifs */
 	int nmeshes;   /* number of mesh vifs */
 	int nstations; /* number of station vifs */
-	int nwds;      /* number of WDS vifs */
 	int nadhocs;   /* number of adhoc vifs */
 	int nocbs;     /* number of OCB vifs */
 	int nbcnvifs;  /* number of beaconing vifs */

drivers/net/wireless/ath/ath9k/debug.c

@@ -735,10 +735,10 @@ static int read_file_misc(struct seq_file *file, void *data)
 		ath9k_calculate_iter_data(sc, ctx, &iter_data);
 
 		seq_printf(file,
-			   "VIFS: CTX %i(%i) AP: %i STA: %i MESH: %i WDS: %i",
+			   "VIFS: CTX %i(%i) AP: %i STA: %i MESH: %i",
 			   i++, (int)(ctx->assigned), iter_data.naps,
 			   iter_data.nstations,
-			   iter_data.nmeshes, iter_data.nwds);
+			   iter_data.nmeshes);
 		seq_printf(file, " ADHOC: %i OCB: %i TOTAL: %hi BEACON-VIF: %hi\n",
 			   iter_data.nadhocs, iter_data.nocbs, sc->cur_chan->nvifs,
 			   sc->nbcnvifs);

drivers/net/wireless/ath/ath9k/init.c

@@ -832,12 +832,6 @@ static const struct ieee80211_iface_limit if_limits[] = {
 				 BIT(NL80211_IFTYPE_P2P_GO) },
 };
 
-#ifdef CONFIG_WIRELESS_WDS
-static const struct ieee80211_iface_limit wds_limits[] = {
-	{ .max = 2048,	.types = BIT(NL80211_IFTYPE_WDS) },
-};
-#endif
-
 #ifdef CONFIG_ATH9K_CHANNEL_CONTEXT
 
 static const struct ieee80211_iface_limit if_limits_multi[] = {
@@ -874,15 +868,6 @@ static const struct ieee80211_iface_combination if_comb[] = {
 					BIT(NL80211_CHAN_WIDTH_40),
 #endif
 	},
-#ifdef CONFIG_WIRELESS_WDS
-	{
-		.limits = wds_limits,
-		.n_limits = ARRAY_SIZE(wds_limits),
-		.max_interfaces = 2048,
-		.num_different_channels = 1,
-		.beacon_int_infra_match = true,
-	},
-#endif
 };
 
 #ifdef CONFIG_ATH9K_CHANNEL_CONTEXT
@@ -897,7 +882,6 @@ static void ath9k_set_mcc_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
 	ieee80211_hw_set(hw, QUEUE_CONTROL);
 	hw->queues = ATH9K_NUM_TX_QUEUES;
 	hw->offchannel_tx_hw_queue = hw->queues - 1;
-	hw->wiphy->interface_modes &= ~ BIT(NL80211_IFTYPE_WDS);
 	hw->wiphy->iface_combinations = if_comb_multi;
 	hw->wiphy->n_iface_combinations = ARRAY_SIZE(if_comb_multi);
 	hw->wiphy->max_scan_ssids = 255;
@@ -953,9 +937,6 @@ static void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
 			BIT(NL80211_IFTYPE_STATION) |
 			BIT(NL80211_IFTYPE_ADHOC) |
 			BIT(NL80211_IFTYPE_MESH_POINT) |
-#ifdef CONFIG_WIRELESS_WDS
-			BIT(NL80211_IFTYPE_WDS) |
-#endif
 			BIT(NL80211_IFTYPE_OCB);
 
 		if (ath9k_is_chanctx_enabled())

drivers/net/wireless/ath/ath9k/main.c

@@ -973,9 +973,6 @@ static void ath9k_vif_iter(struct ath9k_vif_iter_data *iter_data,
 		if (vif->bss_conf.enable_beacon)
 			ath9k_vif_iter_set_beacon(iter_data, vif);
 		break;
-	case NL80211_IFTYPE_WDS:
-		iter_data->nwds++;
-		break;
 	default:
 		break;
 	}
@@ -1136,8 +1133,6 @@ void ath9k_calculate_summary_state(struct ath_softc *sc,
 			ah->opmode = NL80211_IFTYPE_MESH_POINT;
 		else if (iter_data.nocbs)
 			ah->opmode = NL80211_IFTYPE_OCB;
-		else if (iter_data.nwds)
-			ah->opmode = NL80211_IFTYPE_AP;
 		else if (iter_data.nadhocs)
 			ah->opmode = NL80211_IFTYPE_ADHOC;
 		else