diff options
| -rw-r--r-- | sys/net80211/ieee80211_var.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/sys/net80211/ieee80211_var.h b/sys/net80211/ieee80211_var.h index 2e8f58b..9593ffe 100644 --- a/sys/net80211/ieee80211_var.h +++ b/sys/net80211/ieee80211_var.h @@ -822,6 +822,28 @@ ieee80211_htchanflags(const struct ieee80211_channel *c) } /* + * Fetch the current TX power (cap) for the given node. + * + * This includes the node and ic/vap TX power limit as needed, + * but it doesn't take into account any per-rate limit. + */ +static __inline uint16_t +ieee80211_get_node_txpower(struct ieee80211_node *ni) +{ + struct ieee80211com *ic = ni->ni_ic; + uint16_t txpower; + + txpower = ni->ni_txpower; + txpower = MIN(txpower, ic->ic_txpowlimit); + if (ic->ic_curchan != NULL) { + txpower = MIN(txpower, 2 * ic->ic_curchan->ic_maxregpower); + txpower = MIN(txpower, ic->ic_curchan->ic_maxpower); + } + + return (txpower); +} + +/* * Debugging facilities compiled in when IEEE80211_DEBUG is defined. * * The intent is that any problem in the net80211 layer can be |
