375 lines
10 KiB
C
375 lines
10 KiB
C
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/*
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* Copyright (c) 2004-2012 Atheros Communications Inc.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef P2P_H
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#define P2P_H
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#define ATH6KL_P2P_BMISS_TIME (100)
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#define ATH6KL_P2P_PS_MAX_NOA_DESCRIPTORS 4
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#define ATH6KL_P2P_PS_FLAGS_NOA_ENABLED BIT(0)
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#define ATH6KL_P2P_PS_FLAGS_OPPPS_ENABLED BIT(1)
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#define NL80211_IFTYPE_P2P_DEVICE_QCA (0xff)
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enum {
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IEEE80211_P2P_ATTR_NOTICE_OF_ABSENCE = 12,
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};
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enum {
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WLAN_PUB_ACTION_VENDER_SPECIFIC = 9,
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};
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enum {
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WLAN_P2P_GO_NEG_REG = 0,
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WLAN_P2P_GO_NEG_RESP = 1,
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WLAN_P2P_GO_NEG_CONF = 2,
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WLAN_P2P_INVITATION_REQ = 3,
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WLAN_P2P_INVITATION_RESP = 4,
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WLAN_P2P_DEV_DISC_REQ = 5,
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WLAN_P2P_DEV_DISC_RESP = 6,
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WLAN_P2P_PROV_DISC_REQ = 7,
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WLAN_P2P_PROV_DISC_RESP = 8
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};
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struct ieee80211_p2p_action_public {
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u8 category;
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u8 action_code;
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u32 oui;
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u8 action_subtype;
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u8 variable[0];
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} __packed;
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struct ieee80211_p2p_action_vendor {
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u8 category;
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u32 oui;
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u8 action_subtype;
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u8 variable[0];
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} __packed;
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struct ieee80211_p2p_noa_descriptor {
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u8 count_or_type; /* 255: continuous schedule, 0: reserved */
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__le32 duration;
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__le32 interval;
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__le32 start_or_offset;
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} __packed;
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struct ieee80211_p2p_noa_info {
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u8 index;
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u8 ctwindow_opps_param;
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struct ieee80211_p2p_noa_descriptor
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noas[ATH6KL_P2P_PS_MAX_NOA_DESCRIPTORS];
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} __packed;
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struct ieee80211_p2p_noa_ie {
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u8 element_id;
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u8 len;
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u32 oui;
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u8 attr;
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u16 attr_len;
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struct ieee80211_p2p_noa_info noa_info;
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} __packed;
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struct p2p_ps_info {
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struct ath6kl_vif *vif;
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spinlock_t p2p_ps_lock;
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/* P2P-GO */
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u32 go_flags;
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u8 go_noa_enable_idx;
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struct ieee80211_p2p_noa_info go_noa;
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/* Cached information */
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u8 *go_last_beacon_app_ie;
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u16 go_last_beacon_app_ie_len;
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u8 *go_last_noa_ie;
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u16 go_last_noa_ie_len;
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u8 *go_working_buffer;
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/* counter */
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u32 go_noa_notif_cnt;
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};
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/* P2P Flowctrl */
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#define ATH6KL_P2P_FLOWCTRL_NULL_CONNID (0xff)
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#define ATH6KL_P2P_FLOWCTRL_RECYCLE_LIMIT (10)
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#define ATH6KL_P2P_FLOWCTRL_NETIF_STOP (0x00)
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#define ATH6KL_P2P_FLOWCTRL_NETIF_WAKE (0x01)
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#define ATH6KL_P2P_FLOWCTRL_REQ_STEP (30)
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#define ATH6KL_P2P_FLOWCTRL_TXQ_LIMIT (50)
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struct ath6kl_fw_conn_list {
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struct list_head conn_queue;
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struct list_head re_queue;
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u8 connId; /* ID sync between host and target. */
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u8 parent_connId; /* For P2P_FLOWCTRL_SCHE_TYPE_INTERFACE */
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u8 mac_addr[ETH_ALEN];
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struct ath6kl_vif *vif;
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union {
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struct {
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u8 bk_uapsd:1;
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u8 be_uapsd:1;
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u8 vi_uapsd:1;
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u8 vo_uapsd:1;
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u8 ps:1; /* 1 means power saved */
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u8 ocs:1; /* 1 means off channel */
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u8 res:2;
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};
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u8 connect_status;
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};
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bool previous_can_send;
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/* stat */
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int sche_tx_queued;
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u32 sche_tx;
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u32 sche_re_tx;
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u32 sche_re_tx_aging;
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};
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enum p2p_flowctrl_sche_type {
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P2P_FLOWCTRL_SCHE_TYPE_CONNECTION,
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P2P_FLOWCTRL_SCHE_TYPE_INTERFACE,
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};
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struct ath6kl_p2p_flowctrl {
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struct ath6kl *ar;
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spinlock_t p2p_flowctrl_lock;
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enum p2p_flowctrl_sche_type sche_type;
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struct ath6kl_fw_conn_list fw_conn_list[NUM_CONN];
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u32 p2p_flowctrl_event_cnt;
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};
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/* P2P RecommendChannel */
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#define ATH6KL_RC_FLAGS_NEED_UPDATED (1 << 0)
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#define ATH6KL_RC_FLAGS_DONE (1 << 1)
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#define ATH6KL_RC_FLAGS_HIGH_CHAN (1 << 2)
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#define ATH6KL_RC_FLAGS_ALWAYS_FRESH (1 << 3)
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#define ATH6KL_RC_FLAGS_CHAN_RECORD_FETCHED (1 << 4)
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#define ATH6KL_RC_MAX_2G_CHAN_RECORD (14)
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#define ATH6KL_RC_MAX_5G_CHAN_RECORD (66)
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#define ATH6KL_RC_MAX_CHAN_RECORD (ATH6KL_RC_MAX_2G_CHAN_RECORD + \
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ATH6KL_RC_MAX_5G_CHAN_RECORD)
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#define ATH6KL_RC_AVERAGE_CHAN_CNT (5) /* 20MHz width */
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#define ATH6KL_RC_AVERAGE_CHAN_OFFSET (2) /* 10MHz plus or minus */
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#define ATH6KL_RC_AVERAGE_CHAN_START (2412) /* Channel 1 */
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#define ATH6KL_RC_AVERAGE_CHAN_END (2472) /* Channel 13 */
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#define ATH6KL_RC_FRESH_TIME msecs_to_jiffies(5 * 60 * 1000)
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enum p2p_rc_user_chan_type {
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P2P_RC_USER_BLACK_CHAN, /* Black channel list */
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P2P_RC_USER_WHITE_CHAN, /* White channel list */
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};
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enum p2p_rc_type {
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P2P_RC_TYPE_2GALL, /* the best in all 2G channels */
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P2P_RC_TYPE_5GALL, /* the best in all 5G channels */
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P2P_RC_TYPE_OVERALL, /* the best in all channels */
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P2P_RC_TYPE_SOCAIL, /* the best in 1, 6 abd 11 channels */
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P2P_RC_TYPE_2GP2P, /* the best in P2P 2G channels */
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P2P_RC_TYPE_5GP2P, /* the best in P2P 5G channels */
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P2P_RC_TYPE_ALLP2P, /* the best in P2P channels */
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P2P_RC_TYPE_5GNODFS, /* the best in all 5G channels w/o DFS */
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P2P_RC_TYPE_OVERALLNODFS, /* the best in all channels w/o DFS */
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P2P_RC_TYPE_2GNOLTE, /* the best in 2G channels w/o LTE */
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P2P_RC_TYPE_OVERALLNOLTE, /* the best in all channels w/o LTE */
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P2P_RC_TYPE_OVERALLNOLTEDFS, /* the best in all channels w/o LTE/DFS */
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P2P_RC_TYPE_USER_CHAN, /* the best in user's channels */
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P2P_RC_TYPE_MAX, /* keep last */
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};
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struct p2p_rc_bss_info {
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struct list_head list;
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struct ieee80211_channel *channel;
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u8 rssi;
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};
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struct p2p_rc_chan_record {
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struct ieee80211_channel *channel;
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#define P2P_RC_MAX_SNR (96)
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#define P2P_RC_NULL_SNR (P2P_RC_MAX_SNR + 1)
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u8 best_snr;
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u8 aver_snr; /* for 2G */
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};
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struct ath6kl_p2p_rc_info {
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struct ath6kl *ar;
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u32 flags;
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spinlock_t p2p_rc_lock;
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int chan_record_cnt;
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struct p2p_rc_chan_record chan_record[ATH6KL_RC_MAX_CHAN_RECORD];
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unsigned long last_update; /* in jiffies */
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#define P2P_RC_DEF_SNR_COMP (0)
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int snr_compensation;
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enum p2p_rc_user_chan_type user_chan_type;
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u16 user_chan_list[ATH6KL_RC_MAX_CHAN_RECORD];
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/* Keep the latest result. */
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struct p2p_rc_chan_record *last_p2p_rc[P2P_RC_TYPE_MAX];
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};
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struct ath6kl_rc_report {
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u16 rc_2g;
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u16 rc_5g;
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u16 rc_all;
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u16 rc_p2p_so;
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u16 rc_p2p_2g;
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u16 rc_p2p_5g;
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u16 rc_p2p_all;
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u16 rc_5g_nodfs;
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u16 rc_all_nodfs;
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u16 rc_2g_nolte;
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u16 rc_all_nolte;
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u16 rc_user_chan;
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u16 rc_all_noltedfs;
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};
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struct p2p_oper_chan {
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u16 oper_class;
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u32 min_chan_freq;
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u32 max_chan_freq;
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u32 inc_freq;
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#define P2P_OPER_CHAN_BW_NULL 0
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#define P2P_OPER_CHAN_BW_HT20 1
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#define P2P_OPER_CHAN_BW_HT40_PLUS 2
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#define P2P_OPER_CHAN_BW_HT40_MINUS 3
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u8 bw;
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};
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struct p2p_pending_connect_info {
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#define ATH6KL_P2P_MAX_PENDING_INFO_IELEN 512
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u8 bssid[ETH_ALEN];
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u8 req_ie[ATH6KL_P2P_MAX_PENDING_INFO_IELEN];
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size_t req_ie_len;
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u8 resp_ie[ATH6KL_P2P_MAX_PENDING_INFO_IELEN];
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size_t resp_ie_len;
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u16 status;
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gfp_t gfp;
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};
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struct p2p_ps_info *ath6kl_p2p_ps_init(struct ath6kl_vif *vif);
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void ath6kl_p2p_ps_deinit(struct ath6kl_vif *vif);
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int ath6kl_p2p_ps_reset_noa(struct p2p_ps_info *p2p_ps);
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int ath6kl_p2p_ps_setup_noa(struct p2p_ps_info *p2p_ps,
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int noa_id,
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u8 count_type,
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u32 interval,
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u32 start_offset,
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u32 duration);
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int ath6kl_p2p_ps_reset_opps(struct p2p_ps_info *p2p_ps);
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int ath6kl_p2p_ps_setup_opps(struct p2p_ps_info *p2p_ps,
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u8 enabled,
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u8 ctwindows);
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int ath6kl_p2p_ps_update_notif(struct p2p_ps_info *p2p_ps);
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void ath6kl_p2p_ps_user_app_ie(struct p2p_ps_info *p2p_ps, u8 mgmt_frm_type,
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u8 **ie, int *len);
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int ath6kl_p2p_utils_trans_porttype(enum nl80211_iftype type,
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u8 *opmode,
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u8 *subopmode);
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int ath6kl_p2p_utils_init_port(struct ath6kl_vif *vif,
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enum nl80211_iftype type);
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int ath6kl_p2p_utils_check_port(struct ath6kl_vif *vif,
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u8 port_id);
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struct ath6kl_p2p_flowctrl *ath6kl_p2p_flowctrl_conn_list_init(
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struct ath6kl *ar);
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void ath6kl_p2p_flowctrl_conn_collect_by_conn(
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struct ath6kl_fw_conn_list *fw_conn, struct list_head *pcontainer,
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int *preclaim);
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void ath6kl_p2p_flowctrl_conn_list_deinit(struct ath6kl *ar);
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void ath6kl_p2p_flowctrl_conn_list_cleanup(struct ath6kl *ar);
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void ath6kl_p2p_flowctrl_conn_list_cleanup_by_if(struct ath6kl_vif *vif);
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void ath6kl_p2p_flowctrl_netif_transition(struct ath6kl *ar,
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u8 new_state);
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void ath6kl_p2p_flowctrl_tx_schedule(struct ath6kl *ar);
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int ath6kl_p2p_flowctrl_tx_schedule_pkt(struct ath6kl *ar, void *pkt);
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void ath6kl_p2p_flowctrl_state_change(struct ath6kl *ar);
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void ath6kl_p2p_flowctrl_state_update(struct ath6kl *ar,
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u8 numConn,
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u8 ac_map[],
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u8 ac_queue_depth[]);
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void ath6kl_p2p_flowctrl_set_conn_id(struct ath6kl_vif *vif,
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u8 mac_addr[],
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u8 connId);
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u8 ath6kl_p2p_flowctrl_get_conn_id(struct ath6kl_vif *vif,
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struct sk_buff *skb);
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int ath6kl_p2p_flowctrl_stat(struct ath6kl *ar,
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u8 *buf, int buf_len);
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struct ath6kl_p2p_rc_info *ath6kl_p2p_rc_init(struct ath6kl *ar);
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void ath6kl_p2p_rc_deinit(struct ath6kl *ar);
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void ath6kl_p2p_rc_fetch_chan(struct ath6kl *ar);
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void ath6kl_p2p_rc_bss_info(struct ath6kl_vif *vif,
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u8 snr,
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struct ieee80211_channel *channel);
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void ath6kl_p2p_rc_scan_start(struct ath6kl_vif *vif, bool local_scan);
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int ath6kl_p2p_rc_scan_complete_event(struct ath6kl_vif *vif, bool aborted);
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int ath6kl_p2p_rc_get(struct ath6kl *ar, struct ath6kl_rc_report *rc_report);
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int ath6kl_p2p_rc_dump(struct ath6kl *ar, u8 *buf, int buf_len);
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void ath6kl_p2p_rc_config(struct ath6kl *ar, u16 freq, int type);
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||
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||
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bool ath6kl_p2p_frame_retry(struct ath6kl *ar, u8 *frm, int len);
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bool ath6kl_p2p_is_p2p_frame(struct ath6kl *ar, const u8 *frm, size_t len);
|
||
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void ath6kl_p2p_connect_event(struct ath6kl_vif *vif,
|
||
|
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u8 beacon_ie_len,
|
||
|
|
u8 assoc_req_len,
|
||
|
|
u8 assoc_resp_len,
|
||
|
|
u8 *assoc_info);
|
||
|
|
void ath6kl_p2p_reconfig_ps(struct ath6kl *ar,
|
||
|
|
bool mcc,
|
||
|
|
bool call_on_disconnect);
|
||
|
|
bool ath6kl_p2p_pending_connect_event(struct ath6kl_vif *vif,
|
||
|
|
const u8 *bssid,
|
||
|
|
const u8 *req_ie,
|
||
|
|
size_t req_ie_len,
|
||
|
|
const u8 *resp_ie,
|
||
|
|
size_t resp_ie_len,
|
||
|
|
u16 status,
|
||
|
|
gfp_t gfp);
|
||
|
|
void ath6kl_p2p_pending_disconnect_event(struct ath6kl_vif *vif,
|
||
|
|
u16 reason,
|
||
|
|
u8 *ie,
|
||
|
|
size_t ie_len,
|
||
|
|
gfp_t gfp);
|
||
|
|
bool ath6kl_p2p_ie_append(struct ath6kl_vif *vif, u8 mgmt_frame_type);
|
||
|
|
bool ath6kl_p2p_is_p2p_channel(u32 freq);
|
||
|
|
bool ath6kl_p2p_is_social_channel(u32 freq);
|
||
|
|
int ath6kl_p2p_build_scan_chan(struct ath6kl_vif *vif,
|
||
|
|
u32 req_chan_num,
|
||
|
|
u16 *chan_list);
|
||
|
|
#endif
|
||
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