diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/mac80211/rx.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 969be3adda7a..75a1e204b9b6 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c | |||
| @@ -327,8 +327,15 @@ ieee80211_rx_h_load_key(struct ieee80211_txrx_data *rx) | |||
| 327 | * frames can also use key indizes like GTKs. Hence, if we don't | 327 | * frames can also use key indizes like GTKs. Hence, if we don't |
| 328 | * have a PTK/STK we check the key index for a WEP key. | 328 | * have a PTK/STK we check the key index for a WEP key. |
| 329 | * | 329 | * |
| 330 | * Note that in a regular BSS, multicast frames are sent by the | ||
| 331 | * AP only, associated stations unicast the frame to the AP first | ||
| 332 | * which then multicasts it on their behalf. | ||
| 333 | * | ||
| 330 | * There is also a slight problem in IBSS mode: GTKs are negotiated | 334 | * There is also a slight problem in IBSS mode: GTKs are negotiated |
| 331 | * with each station, that is something we don't currently handle. | 335 | * with each station, that is something we don't currently handle. |
| 336 | * The spec seems to expect that one negotiates the same key with | ||
| 337 | * every station but there's no such requirement; VLANs could be | ||
| 338 | * possible. | ||
| 332 | */ | 339 | */ |
| 333 | 340 | ||
| 334 | if (!(rx->fc & IEEE80211_FCTL_PROTECTED)) | 341 | if (!(rx->fc & IEEE80211_FCTL_PROTECTED)) |