set80211stbc
DEF_CMD("stbcrx", 2, set80211stbc),
DEF_CMD("-stbcrx", -2, set80211stbc),
DEF_CMD("stbctx", 1, set80211stbc),
DEF_CMD("-stbctx", -1, set80211stbc),
DEF_CMD("stbc", 3, set80211stbc), /* NB: tx+rx */
DEF_CMD("-stbc", -3, set80211stbc),