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[net80211] add a method for checking if a VAP WME AC has a NOACK policy or not.

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A subsequent set of commits will introduce this instead of a whole lot of
gymnastics to check the WME category.
This commit is contained in:
Adrian Chadd 2017-12-09 23:16:02 +00:00
parent de1430411d
commit 0c6960361b
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=326737
2 changed files with 33 additions and 0 deletions
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32
sys/net80211/ieee80211_proto.c
View File

@ -1308,6 +1308,12 @@ ieee80211_wme_updateparams(struct ieee80211vap *vap)
}
}
/*
* Fetch the WME parameters for the given VAP.
*
* When net80211 grows p2p, etc support, this may return different
* parameters for each VAP.
*/
void
ieee80211_wme_vap_getparams(struct ieee80211vap *vap, struct chanAccParams *wp)
{
@ -1315,6 +1321,12 @@ ieee80211_wme_vap_getparams(struct ieee80211vap *vap, struct chanAccParams *wp)
memcpy(wp, &vap->iv_ic->ic_wme.wme_chanParams, sizeof(*wp));
}
/*
* For NICs which only support one set of WME paramaters (ie, softmac NICs)
* there may be different VAP WME parameters but only one is "active".
* This returns the "NIC" WME parameters for the currently active
* context.
*/
void
ieee80211_wme_ic_getparams(struct ieee80211com *ic, struct chanAccParams *wp)
{
@ -1322,6 +1334,26 @@ ieee80211_wme_ic_getparams(struct ieee80211com *ic, struct chanAccParams *wp)
memcpy(wp, &ic->ic_wme.wme_chanParams, sizeof(*wp));
}
/*
* Return whether to use QoS on a given WME queue.
*
* This is intended to be called from the transmit path of softmac drivers
* which are setting NoAck bits in transmit descriptors.
*
* Ideally this would be set in some transmit field before the packet is
* queued to the driver but net80211 isn't quite there yet.
*/
int
ieee80211_wme_vap_ac_is_noack(struct ieee80211vap *vap, int ac)
{
/* Bounds/sanity check */
if (ac < 0 || ac >= WME_NUM_AC)
return (0);
/* Again, there's only one global context for now */
return (!! vap->iv_ic->ic_wme.wme_chanParams.cap_wmeParams[ac].wmep_noackPolicy);
}
static void
parent_updown(void *arg, int npending)
{

1
sys/net80211/ieee80211_proto.h
View File

@ -298,6 +298,7 @@ void ieee80211_wme_vap_getparams(struct ieee80211vap *vap,
struct chanAccParams *);
void ieee80211_wme_ic_getparams(struct ieee80211com *ic,
struct chanAccParams *);
int ieee80211_wme_vap_ac_is_noack(struct ieee80211vap *vap, int ac);
/*
* Return the WME TID from a QoS frame. If no TID