diff options
author | Benjamin Berg <benjamin.berg@intel.com> | 2022-09-02 16:12:54 +0200 |
---|---|---|
committer | Johannes Berg <johannes.berg@intel.com> | 2022-09-06 10:17:08 +0200 |
commit | 4c51541ddb78cef2da9c4c30006c0d9d06ea9a77 (patch) | |
tree | c76070fbd0a5c2e02dd62d8dcdc74197818edb3f /include | |
parent | 189a0c52f3104d93ac40c3d5b2dcb96cf283d4fd (diff) |
wifi: mac80211: keep A-MSDU data in sta and per-link
The A-MSDU data needs to be stored per-link and aggregated into a single
value for the station. Add a new struct ieee_80211_sta_aggregates in
order to store this data and a new function
ieee80211_sta_recalc_aggregates to update the current data for the STA.
Note that in the non MLO case the pointer in ieee80211_sta will directly
reference the data in deflink.agg, which means that recalculation may be
skipped in that case.
Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'include')
-rw-r--r-- | include/net/mac80211.h | 68 |
1 files changed, 48 insertions, 20 deletions
diff --git a/include/net/mac80211.h b/include/net/mac80211.h index d9e7f62cc972..873e81a45a97 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -2144,6 +2144,34 @@ struct ieee80211_sta_txpwr { }; /** + * struct ieee80211_sta_aggregates - info that is aggregated from active links + * + * Used for any per-link data that needs to be aggregated and updated in the + * main &struct ieee80211_sta when updated or the active links change. + * + * @max_amsdu_len: indicates the maximal length of an A-MSDU in bytes. + * This field is always valid for packets with a VHT preamble. + * For packets with a HT preamble, additional limits apply: + * + * * If the skb is transmitted as part of a BA agreement, the + * A-MSDU maximal size is min(max_amsdu_len, 4065) bytes. + * * If the skb is not part of a BA agreement, the A-MSDU maximal + * size is min(max_amsdu_len, 7935) bytes. + * + * Both additional HT limits must be enforced by the low level + * driver. This is defined by the spec (IEEE 802.11-2012 section + * 8.3.2.2 NOTE 2). + * @max_rc_amsdu_len: Maximum A-MSDU size in bytes recommended by rate control. + * @max_tid_amsdu_len: Maximum A-MSDU size in bytes for this TID + */ +struct ieee80211_sta_aggregates { + u16 max_amsdu_len; + + u16 max_rc_amsdu_len; + u16 max_tid_amsdu_len[IEEE80211_NUM_TIDS]; +}; + +/** * struct ieee80211_link_sta - station Link specific info * All link specific info for a STA link for a non MLD STA(single) * or a MLD STA(multiple entries) are stored here. @@ -2179,6 +2207,8 @@ struct ieee80211_link_sta { struct ieee80211_he_6ghz_capa he_6ghz_capa; struct ieee80211_sta_eht_cap eht_cap; + struct ieee80211_sta_aggregates agg; + u8 rx_nss; enum ieee80211_sta_rx_bandwidth bandwidth; struct ieee80211_sta_txpwr txpwr; @@ -2218,9 +2248,10 @@ struct ieee80211_link_sta { * @max_amsdu_subframes: indicates the maximal number of MSDUs in a single * A-MSDU. Taken from the Extended Capabilities element. 0 means * unlimited. + * @cur: currently valid data as aggregated from the active links + * For non MLO STA it will point to the deflink data. For MLO STA + * ieee80211_sta_recalc_aggregates() must be called to update it. * @support_p2p_ps: indicates whether the STA supports P2P PS mechanism or not. - * @max_rc_amsdu_len: Maximum A-MSDU size in bytes recommended by rate control. - * @max_tid_amsdu_len: Maximum A-MSDU size in bytes for this TID * @txq: per-TID data TX queues (if driver uses the TXQ abstraction); note that * the last entry (%IEEE80211_NUM_TIDS) is used for non-data frames * @deflink: This holds the default link STA information, for non MLO STA all link @@ -2250,25 +2281,9 @@ struct ieee80211_sta { bool mlo; u8 max_amsdu_subframes; - /** - * @max_amsdu_len: - * indicates the maximal length of an A-MSDU in bytes. - * This field is always valid for packets with a VHT preamble. - * For packets with a HT preamble, additional limits apply: - * - * * If the skb is transmitted as part of a BA agreement, the - * A-MSDU maximal size is min(max_amsdu_len, 4065) bytes. - * * If the skb is not part of a BA agreement, the A-MSDU maximal - * size is min(max_amsdu_len, 7935) bytes. - * - * Both additional HT limits must be enforced by the low level - * driver. This is defined by the spec (IEEE 802.11-2012 section - * 8.3.2.2 NOTE 2). - */ - u16 max_amsdu_len; + struct ieee80211_sta_aggregates *cur; + bool support_p2p_ps; - u16 max_rc_amsdu_len; - u16 max_tid_amsdu_len[IEEE80211_NUM_TIDS]; struct ieee80211_txq *txq[IEEE80211_NUM_TIDS + 1]; @@ -6106,6 +6121,19 @@ void ieee80211_sta_eosp(struct ieee80211_sta *pubsta); void ieee80211_send_eosp_nullfunc(struct ieee80211_sta *pubsta, int tid); /** + * ieee80211_sta_recalc_aggregates - recalculate aggregate data after a change + * @pubsta: the station + * + * Call this function after changing a per-link aggregate data as referenced in + * &struct ieee80211_sta_aggregates by accessing the agg field of + * &struct ieee80211_link_sta. + * + * With non MLO the data in deflink will be referenced directly. In that case + * there is no need to call this function. + */ +void ieee80211_sta_recalc_aggregates(struct ieee80211_sta *pubsta); + +/** * ieee80211_sta_register_airtime - register airtime usage for a sta/tid * * Register airtime usage for a given sta on a given tid. The driver must call |