diff options
author | John W. Linville <linville@tuxdriver.com> | 2011-04-07 16:45:40 -0400 |
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committer | John W. Linville <linville@tuxdriver.com> | 2011-04-07 16:45:40 -0400 |
commit | b37e3b6d64358604960b35e8ecbb7aed22e0926e (patch) | |
tree | f9673afc2332c15a989d3b32f002363a92ea66e1 /include/net/mac80211.h | |
parent | a90c7a313a1c5b4fc99f987a2ae8f92ab0ae35c7 (diff) | |
parent | bd39a274fb7b43374c797bafdb7f506598f36f77 (diff) |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
Conflicts:
drivers/net/wireless/rtlwifi/efuse.c
drivers/net/wireless/rtlwifi/rtl8192c/fw_common.c
net/bluetooth/mgmt.c
Diffstat (limited to 'include/net/mac80211.h')
-rw-r--r-- | include/net/mac80211.h | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/include/net/mac80211.h b/include/net/mac80211.h index cefe1b37c493..965f1b16e53a 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -1753,8 +1753,19 @@ enum ieee80211_ampdu_mlme_action { * that TX/RX_STOP can pass NULL for this parameter. * The @buf_size parameter is only valid when the action is set to * %IEEE80211_AMPDU_TX_OPERATIONAL and indicates the peer's reorder - * buffer size (number of subframes) for this session -- aggregates - * containing more subframes than this may not be transmitted to the peer. + * buffer size (number of subframes) for this session -- the driver + * may neither send aggregates containing more subframes than this + * nor send aggregates in a way that lost frames would exceed the + * buffer size. If just limiting the aggregate size, this would be + * possible with a buf_size of 8: + * - TX: 1.....7 + * - RX: 2....7 (lost frame #1) + * - TX: 8..1... + * which is invalid since #1 was now re-transmitted well past the + * buffer size of 8. Correct ways to retransmit #1 would be: + * - TX: 1 or 18 or 81 + * Even "189" would be wrong since 1 could be lost again. + * * Returns a negative error code on failure. * The callback can sleep. * |