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mac80211: add status_driver_data array to ieee80211_tx_info

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Drivers might want to have private data in addition
to all other ieee80211_tx_info.status fields.

The current ieee80211_tx_info.rate_driver_data overlaps
with some of the non-rate data (e.g. ampdu_ack_len), so
it might not be good enough.

Since we already know how much free bytes remained,
simply use this size to define (void *) array.

While on it, change ack_signal type from int to the more
explicit s32 type.

Signed-off-by: Eliad Peller <eliadx.peller@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Eliad Peller 2014-03-13 14:30:47 +02:00 committed by Johannes Berg
parent 71228a1eab
commit a0f995a561
1 changed files with 2 additions and 2 deletions
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4
include/net/mac80211.h
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@ -697,11 +697,11 @@ struct ieee80211_tx_info {
} control; } control;
struct { struct {
struct ieee80211_tx_rate rates[IEEE80211_TX_MAX_RATES]; struct ieee80211_tx_rate rates[IEEE80211_TX_MAX_RATES];
int ack_signal; s32 ack_signal;
u8 ampdu_ack_len; u8 ampdu_ack_len;
u8 ampdu_len; u8 ampdu_len;
u8 antenna; u8 antenna;
/* 21 bytes free */ void *status_driver_data[21 / sizeof(void *)];
} status; } status;
struct { struct {
struct ieee80211_tx_rate driver_rates[ struct ieee80211_tx_rate driver_rates[