Stop dropping packets if we are on 'radar channel' and the DFS is enabled/supported. Signed-off-by: Victor Goldenshtein <victorg@xxxxxx> --- net/mac80211/tx.c | 15 +++++++++------ 1 files changed, 9 insertions(+), 6 deletions(-) diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index edcd1c7..2c728a4 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -1569,6 +1569,8 @@ netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb, struct ieee80211_sub_if_data *tmp_sdata, *sdata; u16 len_rthdr; int hdrlen; + bool dfs_supported = !!(local->hw.wiphy->flags & + WIPHY_FLAG_SUPPORTS_DFS); /* * Frame injection is not allowed if beaconing is not allowed @@ -1581,15 +1583,16 @@ netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb, * flag. * * Since AP mode uses monitor interfaces to inject/TX management - * frames we can make AP mode the exception to this rule once it - * supports radar detection as its implementation can deal with - * radar detection by itself. We can do that later by adding a - * monitor flag interfaces used for AP support. + * frames we can make AP mode the exception to this rule, in the + * case the driver supports radar detection, allow usage of radar + * channels. */ - if ((chan->flags & (IEEE80211_CHAN_NO_IBSS | IEEE80211_CHAN_RADAR | - IEEE80211_CHAN_PASSIVE_SCAN))) + if ((!(chan->flags & IEEE80211_CHAN_RADAR) || !dfs_supported) && + ((chan->flags & (IEEE80211_CHAN_NO_IBSS | IEEE80211_CHAN_RADAR | + IEEE80211_CHAN_PASSIVE_SCAN)))) goto fail; + /* check for not even having the fixed radiotap header part */ if (unlikely(skb->len < sizeof(struct ieee80211_radiotap_header))) goto fail; /* too short to be possibly valid */ -- 1.7.5.4 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
