diff options
| -rw-r--r-- | drivers/net/wireless/ath/ath10k/mac.c | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/ti/wlcore/main.c | 1 | ||||
| -rw-r--r-- | include/net/mac80211.h | 10 | ||||
| -rw-r--r-- | net/mac80211/debugfs.c | 1 | ||||
| -rw-r--r-- | net/mac80211/main.c | 4 | ||||
| -rw-r--r-- | net/mac80211/tx.c | 4 | ||||
| -rw-r--r-- | net/mac80211/wpa.c | 2 |
7 files changed, 18 insertions, 5 deletions
diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index 76297d69f1ed..e322b6df0ebc 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -7881,6 +7881,7 @@ int ath10k_mac_register(struct ath10k *ar) ieee80211_hw_set(ar->hw, WANT_MONITOR_VIF); ieee80211_hw_set(ar->hw, CHANCTX_STA_CSA); ieee80211_hw_set(ar->hw, QUEUE_CONTROL); + ieee80211_hw_set(ar->hw, SUPPORTS_TX_FRAG); if (!test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) ieee80211_hw_set(ar->hw, SW_CRYPTO_CONTROL); diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c index 471521a0db7b..9f39c6cf98fb 100644 --- a/drivers/net/wireless/ti/wlcore/main.c +++ b/drivers/net/wireless/ti/wlcore/main.c @@ -6086,6 +6086,7 @@ static int wl1271_init_ieee80211(struct wl1271 *wl) ieee80211_hw_set(wl->hw, SUPPORTS_DYNAMIC_PS); ieee80211_hw_set(wl->hw, SIGNAL_DBM); ieee80211_hw_set(wl->hw, SUPPORTS_PS); + ieee80211_hw_set(wl->hw, SUPPORTS_TX_FRAG); wl->hw->wiphy->cipher_suites = cipher_suites; wl->hw->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); diff --git a/include/net/mac80211.h b/include/net/mac80211.h index f3dbadafe16e..a1a27021f452 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -2025,6 +2025,10 @@ struct ieee80211_txq { * drivers, mac80211 packet loss mechanism will not be triggered and driver * is completely depending on firmware event for station kickout. * + * @IEEE80211_HW_SUPPORTS_TX_FRAG: Hardware does fragmentation by itself. + * The stack will not do fragmentation. + * The callback for @set_frag_threshold should be set as well. + * * @NUM_IEEE80211_HW_FLAGS: number of hardware flags, used for sizing arrays */ enum ieee80211_hw_flags { @@ -2066,6 +2070,7 @@ enum ieee80211_hw_flags { IEEE80211_HW_TX_AMSDU, IEEE80211_HW_TX_FRAG_LIST, IEEE80211_HW_REPORTS_LOW_ACK, + IEEE80211_HW_SUPPORTS_TX_FRAG, /* keep last, obviously */ NUM_IEEE80211_HW_FLAGS @@ -3093,8 +3098,9 @@ enum ieee80211_reconfig_type { * The callback must be atomic. * * @set_frag_threshold: Configuration of fragmentation threshold. Assign this - * if the device does fragmentation by itself; if this callback is - * implemented then the stack will not do fragmentation. + * if the device does fragmentation by itself. Note that to prevent the + * stack from doing fragmentation IEEE80211_HW_SUPPORTS_TX_FRAG + * should be set as well. * The callback can sleep. * * @set_rts_threshold: Configuration of RTS threshold (if device needs it) diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c index f56e2f487d09..e02ba42ca827 100644 --- a/net/mac80211/debugfs.c +++ b/net/mac80211/debugfs.c @@ -210,6 +210,7 @@ static const char *hw_flag_names[] = { FLAG(TX_AMSDU), FLAG(TX_FRAG_LIST), FLAG(REPORTS_LOW_ACK), + FLAG(SUPPORTS_TX_FRAG), #undef FLAG }; diff --git a/net/mac80211/main.c b/net/mac80211/main.c index 1075ac24c8c5..0d9163c16dda 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -821,6 +821,10 @@ int ieee80211_register_hw(struct ieee80211_hw *hw) !local->ops->tdls_recv_channel_switch)) return -EOPNOTSUPP; + if (WARN_ON(ieee80211_hw_check(hw, SUPPORTS_TX_FRAG) && + !local->ops->set_frag_threshold)) + return -EINVAL; + if (WARN_ON(local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_NAN) && (!local->ops->start_nan || !local->ops->stop_nan))) diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 772e36909fa3..62ccaf6f585d 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -934,7 +934,7 @@ ieee80211_tx_h_fragment(struct ieee80211_tx_data *tx) if (info->flags & IEEE80211_TX_CTL_DONTFRAG) return TX_CONTINUE; - if (tx->local->ops->set_frag_threshold) + if (ieee80211_hw_check(&tx->local->hw, SUPPORTS_TX_FRAG)) return TX_CONTINUE; /* @@ -2800,7 +2800,7 @@ void ieee80211_check_fast_xmit(struct sta_info *sta) /* fast-xmit doesn't handle fragmentation at all */ if (local->hw.wiphy->frag_threshold != (u32)-1 && - !local->ops->set_frag_threshold) + !ieee80211_hw_check(&local->hw, SUPPORTS_TX_FRAG)) goto out; rcu_read_lock(); diff --git a/net/mac80211/wpa.c b/net/mac80211/wpa.c index b48c1e13e281..c24934544f9c 100644 --- a/net/mac80211/wpa.c +++ b/net/mac80211/wpa.c @@ -57,7 +57,7 @@ ieee80211_tx_h_michael_mic_add(struct ieee80211_tx_data *tx) if (info->control.hw_key && (info->flags & IEEE80211_TX_CTL_DONTFRAG || - tx->local->ops->set_frag_threshold) && + ieee80211_hw_check(&tx->local->hw, SUPPORTS_TX_FRAG)) && !(tx->key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_MMIC)) { /* hwaccel - with no need for SW-generated MMIC */ return TX_CONTINUE; |