diff options
Diffstat (limited to 'include/net/mac80211.h')
| -rw-r--r-- | include/net/mac80211.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/net/mac80211.h b/include/net/mac80211.h index e2fb5767e1f..467eed71be2 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -338,6 +338,21 @@ enum mac80211_rate_control_flags { * * When used for transmit status reporting, the driver should * always report the rate along with the flags it used. + * + * &struct ieee80211_tx_info contains an array of these structs + * in the control information, and it will be filled by the rate + * control algorithm according to what should be sent. For example, + * if this array contains, in the format { <idx>, <count> } the + * information + * { 3, 2 }, { 2, 2 }, { 1, 4 }, { -1, 0 }, { -1, 0 } + * then this means that the frame should be transmitted + * up to twice at rate 3, up to twice at rate 2, and up to four + * times at rate 1 if it doesn't get acknowledged. Say it gets + * acknowledged by the peer after the fifth attempt, the status + * information should then contain + * { 3, 2 }, { 2, 2 }, { 1, 1 }, { -1, 0 } ... + * since it was transmitted twice at rate 3, twice at rate 2 + * and once at rate 1 after which we received an acknowledgement. */ struct ieee80211_tx_rate { s8 idx; |