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net80211: add IEEE80211_CONF_AMPDU_OFFLOAD for AMPDU[-TX] offload

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Drivers will set IEEE80211_FEXT_AMPDU_OFFLOAD to indicate to
net80211 that the driver or the firmware will handle AMPDU[-TX]
entirely on their own and net80211 should not do anything.

Following the IEEE80211_CONF_FRAG_OFFLOAD() example add a
IEEE80211_CONF_AMPDU_OFFLOAD() check in net80211 to handle the
condition.

Sponsored by:	The FreeBSD Foundation
Reviewed by:	adrian
Differential Revision: https://reviews.freebsd.org/D49829

(cherry picked from commit 585388f9d986151045aaedcde1d29f89e62975c3)
This commit is contained in:
Bjoern A. Zeeb 2025-04-14 18:19:28 +00:00
parent 28c5a37f07
commit 84b198f68f
2 changed files with 5 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
sys/net80211/ieee80211_output.c
View file

@ -214,7 +214,7 @@ ieee80211_vap_pkt_send_dest(struct ieee80211vap *vap, struct mbuf *m,
* frames will always have sequence numbers allocated from the NON_QOS
* TID.
*/
if (do_ampdu) {
if (!IEEE80211_CONF_AMPDU_OFFLOAD(ic) && do_ampdu) {
if ((m->m_flags & M_EAPOL) == 0 && (! mcast)) {
int tid = WME_AC_TO_TID(M_WME_GETAC(m));
struct ieee80211_tx_ampdu *tap = &ni->ni_tx_ampdu[tid];

5
sys/net80211/ieee80211_var.h
View file

@ -100,6 +100,8 @@
((ic)->ic_flags_ext & IEEE80211_FEXT_SEQNO_OFFLOAD)
#define IEEE80211_CONF_FRAG_OFFLOAD(ic) \
((ic)->ic_flags_ext & IEEE80211_FEXT_FRAG_OFFLOAD)
#define IEEE80211_CONF_AMPDU_OFFLOAD(ic) \
((ic)->ic_flags_ext & IEEE80211_FEXT_AMPDU_OFFLOAD)
/*
* 802.11 control state is split into a common portion that maps
@ -697,13 +699,14 @@ MALLOC_DECLARE(M_80211_VAP);
#define IEEE80211_FEXT_VHT 0x00400000 /* CONF: VHT support */
#define IEEE80211_FEXT_QUIET_IE 0x00800000 /* STATUS: quiet IE in a beacon has been added */
#define IEEE80211_FEXT_UAPSD 0x01000000 /* CONF: enable U-APSD */
#define IEEE80211_FEXT_AMPDU_OFFLOAD 0x02000000 /* CONF: driver/fw handles AMPDU[-TX] itself */
#define IEEE80211_FEXT_BITS \
"\20\2INACT\3SCANWAIT\4BGSCAN\5WPS\6TSN\7SCANREQ\10RESUME" \
"\0114ADDR\12NONEPR_PR\13SWBMISS\14DFS\15DOTD\16STATEWAIT\17REINIT" \
"\20BPF\21WDSLEGACY\22PROBECHAN\23UNIQMAC\24SCAN_OFFLOAD\25SEQNO_OFFLOAD" \
"\26FRAG_OFFLOAD\27VHT" \
"\30QUIET_IE\31UAPSD"
"\30QUIET_IE\31UAPSD\32AMPDU_OFFLOAD"
/* ic_flags_ht/iv_flags_ht */
#define IEEE80211_FHT_NONHT_PR 0x00000001 /* STATUS: non-HT sta present */