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authorJohannes Berg <johannes.berg@intel.com>2020-12-06 15:54:46 +0300
committerJohannes Berg <johannes.berg@intel.com>2020-12-11 15:20:05 +0300
commitdb8ebd06ccb87b7bea8e50f3d4ba5dc0142093b8 (patch)
tree4789bdacbef0bc945c1acdb0f137bab9cab98ab8 /net
parentda3882331a55ba8c8eda0cfc077ad3b88c257e22 (diff)
downloadlinux-db8ebd06ccb87b7bea8e50f3d4ba5dc0142093b8.tar.xz
mac80211: use bitfield helpers for BA session action frames
Use the appropriate bitfield helpers for encoding and decoding the capability field in the BA session action frames instead of open-coding the shifts/masks. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com> Link: https://lore.kernel.org/r/iwlwifi.20201206145305.0c46e5097cc0.I06e75706770c40b9ba1cabd1f8a78ab7a05c5b73@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net')
-rw-r--r--net/mac80211/agg-rx.c8
-rw-r--r--net/mac80211/agg-tx.c12
2 files changed, 10 insertions, 10 deletions
diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c
index cd4cf84a7f99..cce28e3b2232 100644
--- a/net/mac80211/agg-rx.c
+++ b/net/mac80211/agg-rx.c
@@ -250,10 +250,10 @@ static void ieee80211_send_addba_resp(struct sta_info *sta, u8 *da, u16 tid,
mgmt->u.action.u.addba_resp.action_code = WLAN_ACTION_ADDBA_RESP;
mgmt->u.action.u.addba_resp.dialog_token = dialog_token;
- capab = (u16)(amsdu << 0); /* bit 0 A-MSDU support */
- capab |= (u16)(policy << 1); /* bit 1 aggregation policy */
- capab |= (u16)(tid << 2); /* bit 5:2 TID number */
- capab |= (u16)(buf_size << 6); /* bit 15:6 max size of aggregation */
+ capab = u16_encode_bits(amsdu, IEEE80211_ADDBA_PARAM_AMSDU_MASK);
+ capab |= u16_encode_bits(policy, IEEE80211_ADDBA_PARAM_POLICY_MASK);
+ capab |= u16_encode_bits(tid, IEEE80211_ADDBA_PARAM_TID_MASK);
+ capab |= u16_encode_bits(buf_size, IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK);
mgmt->u.action.u.addba_resp.capab = cpu_to_le16(capab);
mgmt->u.action.u.addba_resp.timeout = cpu_to_le16(timeout);
diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c
index b37c8a983d88..430a58587538 100644
--- a/net/mac80211/agg-tx.c
+++ b/net/mac80211/agg-tx.c
@@ -95,10 +95,10 @@ static void ieee80211_send_addba_request(struct ieee80211_sub_if_data *sdata,
mgmt->u.action.u.addba_req.action_code = WLAN_ACTION_ADDBA_REQ;
mgmt->u.action.u.addba_req.dialog_token = dialog_token;
- capab = (u16)(1 << 0); /* bit 0 A-MSDU support */
- capab |= (u16)(1 << 1); /* bit 1 aggregation policy */
- capab |= (u16)(tid << 2); /* bit 5:2 TID number */
- capab |= (u16)(agg_size << 6); /* bit 15:6 max size of aggergation */
+ capab = IEEE80211_ADDBA_PARAM_AMSDU_MASK;
+ capab |= IEEE80211_ADDBA_PARAM_POLICY_MASK;
+ capab |= u16_encode_bits(tid, IEEE80211_ADDBA_PARAM_TID_MASK);
+ capab |= u16_encode_bits(agg_size, IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK);
mgmt->u.action.u.addba_req.capab = cpu_to_le16(capab);
@@ -950,8 +950,8 @@ void ieee80211_process_addba_resp(struct ieee80211_local *local,
capab = le16_to_cpu(mgmt->u.action.u.addba_resp.capab);
amsdu = capab & IEEE80211_ADDBA_PARAM_AMSDU_MASK;
- tid = (capab & IEEE80211_ADDBA_PARAM_TID_MASK) >> 2;
- buf_size = (capab & IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK) >> 6;
+ tid = u16_get_bits(capab, IEEE80211_ADDBA_PARAM_TID_MASK);
+ buf_size = u16_get_bits(capab, IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK);
buf_size = min(buf_size, local->hw.max_tx_aggregation_subframes);
txq = sta->sta.txq[tid];