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[net80211] prepare configuration checks for VHT, fragment-offload and seqno-offload.

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* allocate an ext bit for fragment offload.  Some NICs (like the ath10k
  hardware in native wifi or 802.3 mode) support doing packet fragmentation
  in firmware/hardware, so we don't have to do it here.

* allocate an ext bit for VHT and start using it.
This commit is contained in:
Adrian Chadd 2017-01-27 01:24:24 +00:00
parent 46be12ae13
commit f551fe4637
1 changed files with 8 additions and 2 deletions
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10
sys/net80211/ieee80211_var.h
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@ -93,10 +93,13 @@
* says that VHT is supported - and then this macro can be
* changed.
*/
#define IEEE80211_CONF_VHT(ic) ((ic)->ic_vhtcaps != 0)
#define IEEE80211_CONF_VHT(ic) \
((ic)->ic_flags_ext & IEEE80211_FEXT_VHT)
#define IEEE80211_CONF_SEQNO_OFFLOAD(ic) \
((ic)->ic_flags_ext & IEEE80211_FEXT_SEQNO_OFFLOAD)
#define IEEE80211_CONF_FRAG_OFFLOAD(ic) \
((ic)->ic_flags_ext & IEEE80211_FEXT_FRAG_OFFLOAD)
/*
* 802.11 control state is split into a common portion that maps
@ -633,11 +636,14 @@ MALLOC_DECLARE(M_80211_VAP);
#define IEEE80211_FEXT_UNIQMAC 0x00040000 /* CONF: user or computed mac */
#define IEEE80211_FEXT_SCAN_OFFLOAD 0x00080000 /* CONF: scan is fully offloaded */
#define IEEE80211_FEXT_SEQNO_OFFLOAD 0x00100000 /* CONF: driver does seqno insertion/allocation */
#define IEEE80211_FEXT_FRAG_OFFLOAD 0x00200000 /* CONF: hardware does 802.11 fragmentation + assignment */
#define IEEE80211_FEXT_VHT 0x00400000 /* CONF: VHT support */
#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"
"\20BPF\21WDSLEGACY\22PROBECHAN\23UNIQMAC\24SCAN_OFFLOAD\25SEQNO_OFFLOAD" \
"\26VHT"
/* ic_flags_ht/iv_flags_ht */
#define IEEE80211_FHT_NONHT_PR 0x00000001 /* STATUS: non-HT sta present */