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authorMordechay Goodstein <mordechay.goodstein@intel.com>2022-02-14 19:30:05 +0300
committerJohannes Berg <johannes.berg@intel.com>2022-02-16 17:44:37 +0300
commitc1c5c8a21ce6b1c7f41b22618931b1e298833006 (patch)
tree68ac7c4b50adb0c07e5b5ef51c420f762bbe487f /net/mac80211
parent443df9a776062e5957d3c8ab5ac7dd2822c1ac7b (diff)
downloadlinux-c1c5c8a21ce6b1c7f41b22618931b1e298833006.tar.xz
mac80211: parse AddBA request with extended AddBA element
In EHT requesting aggregation with 1K needs the use of extended the AddBA element for the buffer size, so add the logic to parse it and make sure it's in limits of the EHT aggregation size. Signed-off-by: Mordechay Goodstein <mordechay.goodstein@intel.com> Link: https://lore.kernel.org/r/20220214173004.8209cae9d9e4.I434f5588602f83b4e658c660120040913b3a2e3d@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211')
-rw-r--r--net/mac80211/agg-rx.c18
1 files changed, 15 insertions, 3 deletions
diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c
index 0d2bab9d351c..218cdc554d71 100644
--- a/net/mac80211/agg-rx.c
+++ b/net/mac80211/agg-rx.c
@@ -180,7 +180,8 @@ static void sta_rx_agg_reorder_timer_expired(struct timer_list *t)
static void ieee80211_add_addbaext(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb,
- const struct ieee80211_addba_ext_ie *req)
+ const struct ieee80211_addba_ext_ie *req,
+ u16 buf_size)
{
struct ieee80211_supported_band *sband;
struct ieee80211_addba_ext_ie *resp;
@@ -210,6 +211,8 @@ static void ieee80211_add_addbaext(struct ieee80211_sub_if_data *sdata,
frag_level = cap_frag_level;
resp->data |= u8_encode_bits(frag_level,
IEEE80211_ADDBA_EXT_FRAG_LEVEL_MASK);
+ resp->data |= u8_encode_bits(buf_size >> IEEE80211_ADDBA_EXT_BUF_SIZE_SHIFT,
+ IEEE80211_ADDBA_EXT_BUF_SIZE_MASK);
}
static void ieee80211_send_addba_resp(struct sta_info *sta, u8 *da, u16 tid,
@@ -261,7 +264,7 @@ static void ieee80211_send_addba_resp(struct sta_info *sta, u8 *da, u16 tid,
mgmt->u.action.u.addba_resp.status = cpu_to_le16(status);
if (sta->sta.he_cap.has_he && addbaext)
- ieee80211_add_addbaext(sdata, skb, addbaext);
+ ieee80211_add_addbaext(sdata, skb, addbaext, buf_size);
ieee80211_tx_skb(sdata, skb);
}
@@ -309,7 +312,9 @@ void ___ieee80211_start_rx_ba_session(struct sta_info *sta,
goto end;
}
- if (sta->sta.he_cap.has_he)
+ if (sta->sta.eht_cap.has_eht)
+ max_buf_size = IEEE80211_MAX_AMPDU_BUF_EHT;
+ else if (sta->sta.he_cap.has_he)
max_buf_size = IEEE80211_MAX_AMPDU_BUF_HE;
else
max_buf_size = IEEE80211_MAX_AMPDU_BUF_HT;
@@ -502,6 +507,13 @@ void ieee80211_process_addba_request(struct ieee80211_local *local,
goto free;
}
+ if (sta->sta.eht_cap.has_eht && elems && elems->addba_ext_ie) {
+ u8 buf_size_1k = u8_get_bits(elems->addba_ext_ie->data,
+ IEEE80211_ADDBA_EXT_BUF_SIZE_MASK);
+
+ buf_size |= buf_size_1k << IEEE80211_ADDBA_EXT_BUF_SIZE_SHIFT;
+ }
+
__ieee80211_start_rx_ba_session(sta, dialog_token, timeout,
start_seq_num, ba_policy, tid,
buf_size, true, false,