Date: Fri, 15 Feb 2013 18:09:59 -0700 From: PseudoCylon <moonlightakkiy@yahoo.ca> To: freebsd-wireless@freebsd.org Subject: negotiating HT params at assoc in sta mode Message-ID: <CAFZ_MYJqKDRjWMZk%2BuA8ciLSi-W0U6_=gdV4FRKhz%2Bqb6o7qEw@mail.gmail.com>
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http://fxr.watson.org/fxr/source/net80211/ieee80211_ht.c?#L2656 Shouldn't a sta include iv_ampdu_rxmax and iv_ampdu_density instead when associating? 1) A driver initiates iv_ampdu_rxmax and iv_ampdu_density based on h/w capabilities. 2) When a sta trying to associate, ieee80211_send_mgmt() { case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: ieee80211_add_htcap(); /* the function in question */ } 3) When an ap receives the assoc_req packet, the ap will save ht params to ni_htparam. Then the ap will use those values for Tx packets. 4) The sta will receive packets which size is within the limits if the sta included iv_ampdu_rxmax and iv_ampdu_density. AK
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