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Add an external facing function to manually set the RX A-MPDU parameters

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for re-ordering.

Devices like if_rsu don't pass through action/management frames but do send
firmware commands to inform us of things.  One of those notifications is
the RX A-MPDU negotiated parameters.
This commit is contained in:
Adrian Chadd 2015-09-18 05:01:05 +00:00
parent 4b9d9eee03
commit 1f3a8d1129
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=287948
2 changed files with 40 additions and 0 deletions
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37
sys/net80211/ieee80211_ht.c
View File

@ -557,6 +557,43 @@ ampdu_rx_start(struct ieee80211_node *ni, struct ieee80211_rx_ampdu *rap,
return 0;
}
/*
* Public function; manually setup the RX ampdu state.
*/
int
ieee80211_ampdu_rx_start_ext(struct ieee80211_node *ni, int tid, int seq, int baw)
{
struct ieee80211_rx_ampdu *rap;
/* XXX TODO: sanity check tid, seq, baw */
rap = &ni->ni_rx_ampdu[tid];
if (rap->rxa_flags & IEEE80211_AGGR_RUNNING) {
/*
* AMPDU previously setup and not terminated with a DELBA,
* flush the reorder q's in case anything remains.
*/
ampdu_rx_purge(rap);
}
memset(rap, 0, sizeof(*rap));
rap->rxa_wnd = (baw== 0) ?
IEEE80211_AGGR_BAWMAX : min(baw, IEEE80211_AGGR_BAWMAX);
rap->rxa_start = seq;
rap->rxa_flags |= IEEE80211_AGGR_RUNNING | IEEE80211_AGGR_XCHGPEND;
IEEE80211_NOTE(ni->ni_vap, IEEE80211_MSG_11N, ni,
"%s: tid=%d, start=%d, wnd=%d, flags=0x%08x\n",
__func__,
tid,
seq,
rap->rxa_wnd,
rap->rxa_flags);
return 0;
}
/*
* Stop A-MPDU rx processing for the specified TID.
*/

3
sys/net80211/ieee80211_ht.h
View File

@ -200,4 +200,7 @@ uint8_t *ieee80211_add_htinfo_vendor(uint8_t *, struct ieee80211_node *);
struct ieee80211_beacon_offsets;
void ieee80211_ht_update_beacon(struct ieee80211vap *,
struct ieee80211_beacon_offsets *);
int ieee80211_ampdu_rx_start_ext(struct ieee80211_node *ni, int tid,
int seq, int baw);
#endif /* _NET80211_IEEE80211_HT_H_ */