Commit cb831b53 authored by Johannes Berg's avatar Johannes Berg
Browse files

mac80211: remove tx_frags driver callback

The implementation of tx_frags is buggy due to
not handling queue stop, and there's no driver
implementing it so remove it.
Signed-off-by: default avatarJohannes Berg <>
parent ba0afa2f
......@@ -1896,19 +1896,6 @@ enum ieee80211_rate_control_changed {
* The low-level driver should send the frame out based on
* configuration in the TX control data. This handler should,
* preferably, never fail and stop queues appropriately.
* This must be implemented if @tx_frags is not.
* Must be atomic.
* @tx_frags: Called to transmit multiple fragments of a single MSDU.
* This handler must consume all fragments, sending out some of
* them only is useless and it can't ask for some of them to be
* queued again. If the frame is not fragmented the queue has a
* single SKB only. To avoid issues with the networking stack
* when TX status is reported the frames should be removed from
* the skb queue.
* If this is used, the tx_info @vif and @sta pointers will be
* invalid -- you must not use them in that case.
* This must be implemented if @tx isn't.
* Must be atomic.
* @start: Called before the first netdevice attached to the hardware
......@@ -2260,8 +2247,6 @@ enum ieee80211_rate_control_changed {
struct ieee80211_ops {
void (*tx)(struct ieee80211_hw *hw, struct sk_buff *skb);
void (*tx_frags)(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
struct ieee80211_sta *sta, struct sk_buff_head *skbs);
int (*start)(struct ieee80211_hw *hw);
void (*stop)(struct ieee80211_hw *hw);
#ifdef CONFIG_PM
......@@ -27,14 +27,6 @@ static inline void drv_tx(struct ieee80211_local *local, struct sk_buff *skb)
local->ops->tx(&local->hw, skb);
static inline void drv_tx_frags(struct ieee80211_local *local,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
struct sk_buff_head *skbs)
local->ops->tx_frags(&local->hw, vif, sta, skbs);
static inline void drv_get_et_strings(struct ieee80211_sub_if_data *sdata,
u32 sset, u8 *data)
......@@ -587,7 +587,7 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
local->hw.priv = (char *)local + ALIGN(sizeof(*local), NETDEV_ALIGN);
BUG_ON(!ops->tx && !ops->tx_frags);
......@@ -1295,11 +1295,8 @@ static bool __ieee80211_tx(struct ieee80211_local *local,
if (local->ops->tx_frags)
drv_tx_frags(local, vif, pubsta, skbs);
result = ieee80211_tx_frags(local, vif, pubsta, skbs,
result = ieee80211_tx_frags(local, vif, pubsta, skbs,
ieee80211_tpt_led_trig_tx(local, fc, led_len);
ieee80211_led_tx(local, 1);
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