mac80211: remove napi

Since two years no mac80211 driver implement support for NAPI. Looks
this feature is unneeded, so remove it from generic mac80211 code.

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

3 files changed, 0 insertions, 39 deletions

diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 2518f0429b87..68087975c717 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -1139,11 +1139,6 @@ struct ieee80211_local {
 
         struct ieee80211_sub_if_data __rcu *p2p_sdata;
 
-        /* dummy netdev for use w/ NAPI */
-        struct net_device napi_dev;
-
-        struct napi_struct napi;
-
         /* virtual monitor interface */
         struct ieee80211_sub_if_data __rcu *monitor_sdata;
         struct cfg80211_chan_def monitor_chandef;
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index baaa8608e52d..1ee10cd1d5b6 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -485,8 +485,6 @@ int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up)
                 res = drv_start(local);
                 if (res)
                         goto err_del_bss;
-                if (local->ops->napi_poll)
-                        napi_enable(&local->napi);
                 /* we're brought up, everything changes */
                 hw_reconf_flags = ~0;
                 ieee80211_led_radio(local, true);
@@ -857,8 +855,6 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
         ieee80211_recalc_ps(local, -1);
 
         if (local->open_count == 0) {
-                if (local->ops->napi_poll)
-                        napi_disable(&local->napi);
                 ieee80211_clear_tx_pending(local);
                 ieee80211_stop_device(local);
 
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 78554724f815..a55a7075dd8c 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -399,30 +399,6 @@ static int ieee80211_ifa6_changed(struct notifier_block *nb,
 }
 #endif
 
-static int ieee80211_napi_poll(struct napi_struct *napi, int budget)
-{
-        struct ieee80211_local *local =
-                container_of(napi, struct ieee80211_local, napi);
-
-        return local->ops->napi_poll(&local->hw, budget);
-}
-
-void ieee80211_napi_schedule(struct ieee80211_hw *hw)
-{
-        struct ieee80211_local *local = hw_to_local(hw);
-
-        napi_schedule(&local->napi);
-}
-EXPORT_SYMBOL(ieee80211_napi_schedule);
-
-void ieee80211_napi_complete(struct ieee80211_hw *hw)
-{
-        struct ieee80211_local *local = hw_to_local(hw);
-
-        napi_complete(&local->napi);
-}
-EXPORT_SYMBOL(ieee80211_napi_complete);
-
 /* There isn't a lot of sense in it, but you can transmit anything you like */
 static const struct ieee80211_txrx_stypes
 ieee80211_default_mgmt_stypes[NUM_NL80211_IFTYPES] = {
@@ -686,9 +662,6 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
         skb_queue_head_init(&local->skb_queue);
         skb_queue_head_init(&local->skb_queue_unreliable);
 
-        /* init dummy netdev for use w/ NAPI */
-        init_dummy_netdev(&local->napi_dev);
-
         ieee80211_led_names(local);
 
         ieee80211_roc_setup(local);
@@ -1043,9 +1016,6 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
                 goto fail_ifa6;
 #endif
 
-        netif_napi_add(&local->napi_dev, &local->napi, ieee80211_napi_poll,
-                        local->hw.napi_weight);
-
         return 0;
 
 #if IS_ENABLED(CONFIG_IPV6)