mac80211: remove "dynamic" RX/TX handlers
It doesn't really make sense to have extra pointers to the RX/TX handler arrays instead of just using the arrays directly, that also allows us to make them static. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Родитель
2c9745e568
Коммит
589052904a
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@ -1429,8 +1429,6 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
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local->hw.queues = 1; /* default */
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local->mdev = mdev;
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local->rx_handlers = ieee80211_rx_handlers;
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local->tx_handlers = ieee80211_tx_handlers;
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local->bridge_packets = 1;
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@ -190,12 +190,6 @@ struct ieee80211_tx_stored_packet {
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unsigned int last_frag_rate_ctrl_probe;
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};
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typedef ieee80211_tx_result (*ieee80211_tx_handler)
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(struct ieee80211_txrx_data *tx);
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typedef ieee80211_rx_result (*ieee80211_rx_handler)
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(struct ieee80211_txrx_data *rx);
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struct beacon_data {
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u8 *head, *tail;
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int head_len, tail_len;
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@ -477,9 +471,6 @@ struct ieee80211_local {
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* deliver multicast frames both back to wireless
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* media and to the local net stack */
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ieee80211_rx_handler *rx_handlers;
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ieee80211_tx_handler *tx_handlers;
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struct list_head interfaces;
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bool sta_sw_scanning;
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@ -779,11 +770,7 @@ int ieee80211_if_remove(struct net_device *dev, const char *name, int id);
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void ieee80211_if_free(struct net_device *dev);
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void ieee80211_if_sdata_init(struct ieee80211_sub_if_data *sdata);
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/* rx handling */
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extern ieee80211_rx_handler ieee80211_rx_handlers[];
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/* tx handling */
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extern ieee80211_tx_handler ieee80211_tx_handlers[];
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void ieee80211_clear_tx_pending(struct ieee80211_local *local);
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void ieee80211_tx_pending(unsigned long data);
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int ieee80211_master_start_xmit(struct sk_buff *skb, struct net_device *dev);
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@ -1448,42 +1448,6 @@ ieee80211_rx_h_mgmt(struct ieee80211_txrx_data *rx)
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return RX_QUEUED;
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}
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static void ieee80211_invoke_rx_handlers(struct ieee80211_local *local,
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ieee80211_rx_handler *handlers,
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struct ieee80211_txrx_data *rx,
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struct sta_info *sta)
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{
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ieee80211_rx_handler *handler;
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ieee80211_rx_result res = RX_DROP_MONITOR;
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for (handler = handlers; *handler != NULL; handler++) {
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res = (*handler)(rx);
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switch (res) {
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case RX_CONTINUE:
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continue;
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case RX_DROP_UNUSABLE:
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case RX_DROP_MONITOR:
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I802_DEBUG_INC(local->rx_handlers_drop);
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if (sta)
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sta->rx_dropped++;
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break;
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case RX_QUEUED:
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I802_DEBUG_INC(local->rx_handlers_queued);
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break;
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}
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break;
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}
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switch (res) {
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case RX_DROP_MONITOR:
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case RX_DROP_UNUSABLE:
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case RX_CONTINUE:
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dev_kfree_skb(rx->skb);
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break;
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}
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}
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static void ieee80211_rx_michael_mic_report(struct net_device *dev,
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struct ieee80211_hdr *hdr,
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struct sta_info *sta,
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@ -1557,7 +1521,8 @@ static void ieee80211_rx_michael_mic_report(struct net_device *dev,
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rx->skb = NULL;
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}
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ieee80211_rx_handler ieee80211_rx_handlers[] =
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typedef ieee80211_rx_result (*ieee80211_rx_handler)(struct ieee80211_txrx_data *);
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static ieee80211_rx_handler ieee80211_rx_handlers[] =
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{
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ieee80211_rx_h_if_stats,
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ieee80211_rx_h_passive_scan,
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@ -1579,6 +1544,41 @@ ieee80211_rx_handler ieee80211_rx_handlers[] =
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NULL
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};
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static void ieee80211_invoke_rx_handlers(struct ieee80211_local *local,
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struct ieee80211_txrx_data *rx,
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struct sta_info *sta)
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{
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ieee80211_rx_handler *handler;
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ieee80211_rx_result res = RX_DROP_MONITOR;
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for (handler = ieee80211_rx_handlers; *handler != NULL; handler++) {
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res = (*handler)(rx);
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switch (res) {
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case RX_CONTINUE:
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continue;
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case RX_DROP_UNUSABLE:
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case RX_DROP_MONITOR:
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I802_DEBUG_INC(local->rx_handlers_drop);
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if (sta)
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sta->rx_dropped++;
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break;
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case RX_QUEUED:
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I802_DEBUG_INC(local->rx_handlers_queued);
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break;
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}
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break;
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}
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switch (res) {
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case RX_DROP_MONITOR:
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case RX_DROP_UNUSABLE:
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case RX_CONTINUE:
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dev_kfree_skb(rx->skb);
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break;
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}
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}
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/* main receive path */
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static int prepare_for_handlers(struct ieee80211_sub_if_data *sdata,
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@ -1756,8 +1756,7 @@ static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw,
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rx.skb = skb_new;
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rx.dev = prev->dev;
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rx.sdata = prev;
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ieee80211_invoke_rx_handlers(local, local->rx_handlers,
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&rx, sta);
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ieee80211_invoke_rx_handlers(local, &rx, sta);
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prev = sdata;
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}
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if (prev) {
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@ -1765,8 +1764,7 @@ static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw,
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rx.skb = skb;
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rx.dev = prev->dev;
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rx.sdata = prev;
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ieee80211_invoke_rx_handlers(local, local->rx_handlers,
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&rx, sta);
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ieee80211_invoke_rx_handlers(local, &rx, sta);
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} else
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dev_kfree_skb(skb);
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@ -813,10 +813,9 @@ ieee80211_tx_h_load_stats(struct ieee80211_txrx_data *tx)
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return TX_CONTINUE;
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}
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/* TODO: implement register/unregister functions for adding TX/RX handlers
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* into ordered list */
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ieee80211_tx_handler ieee80211_tx_handlers[] =
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typedef ieee80211_tx_result (*ieee80211_tx_handler)(struct ieee80211_txrx_data *);
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static ieee80211_tx_handler ieee80211_tx_handlers[] =
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{
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ieee80211_tx_h_check_assoc,
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ieee80211_tx_h_sequence,
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@ -1158,7 +1157,7 @@ static int ieee80211_tx(struct net_device *dev, struct sk_buff *skb,
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sta = tx.sta;
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tx.u.tx.channel = local->hw.conf.channel;
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for (handler = local->tx_handlers; *handler != NULL;
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for (handler = ieee80211_tx_handlers; *handler != NULL;
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handler++) {
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res = (*handler)(&tx);
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if (res != TX_CONTINUE)
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@ -1914,7 +1913,7 @@ ieee80211_get_buffered_bc(struct ieee80211_hw *hw,
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tx.flags |= IEEE80211_TXRXD_TXPS_BUFFERED;
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tx.u.tx.channel = local->hw.conf.channel;
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for (handler = local->tx_handlers; *handler != NULL; handler++) {
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for (handler = ieee80211_tx_handlers; *handler != NULL; handler++) {
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res = (*handler)(&tx);
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if (res == TX_DROP || res == TX_QUEUED)
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break;
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