2014-11-03 18:06:54

by Emmanuel Grumbach

Subject: [PATCH] ieee80211: add "max length of AMPDU" enum for VHT

From: Eran Harary <[email protected]>

Maximum length of AMPDU that an STA can receive in VHT.
length = 2 ^ (13 + max_ampdu_length_exp) - 1.

Signed-off-by: Eran Harary <[email protected]>
Signed-off-by: Emmanuel Grumbach <[email protected]>
---
include/linux/ieee80211.h | 17 ++++++++++++++++-
1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index b1be39c..42c910e 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -1274,7 +1274,7 @@ struct ieee80211_ht_cap {
#define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2

/*
- * Maximum length of AMPDU that the STA can receive.
+ * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
* Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
*/
enum ieee80211_max_ampdu_length_exp {
@@ -1284,6 +1284,21 @@ enum ieee80211_max_ampdu_length_exp {
IEEE80211_HT_MAX_AMPDU_64K = 3
};

+/*
+ * Maximum length of AMPDU that the STA can receive in VHT.
+ * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
+ */
+enum ieee80211_vht_max_ampdu_length_exp {
+ IEEE80211_VHT_MAX_AMPDU_8K = 0,
+ IEEE80211_VHT_MAX_AMPDU_16K = 1,
+ IEEE80211_VHT_MAX_AMPDU_32K = 2,
+ IEEE80211_VHT_MAX_AMPDU_64K = 3,
+ IEEE80211_VHT_MAX_AMPDU_128K = 4,
+ IEEE80211_VHT_MAX_AMPDU_256K = 5,
+ IEEE80211_VHT_MAX_AMPDU_512K = 6,
+ IEEE80211_VHT_MAX_AMPDU_1024K = 7
+};
+
#define IEEE80211_HT_MAX_AMPDU_FACTOR 13

/* Minimum MPDU start spacing */
--
1.9.1

2014-11-04 08:58:05

by Johannes Berg

Subject: Re: [PATCH] ieee80211: add "max length of AMPDU" enum for VHT

On Mon, 2014-11-03 at 20:06 +0200, Emmanuel Grumbach wrote:
> From: Eran Harary <[email protected]>
>
> Maximum length of AMPDU that an STA can receive in VHT.
> length = 2 ^ (13 + max_ampdu_length_exp) - 1.

Applied.

johannes