7a79cebfba
connectivity interact with the net80211 stack. Historical background: originally wireless devices created an interface, just like Ethernet devices do. Name of an interface matched the name of the driver that created. Later, wlan(4) layer was introduced, and the wlanX interfaces become the actual interface, leaving original ones as "a parent interface" of wlanX. Kernelwise, the KPI between net80211 layer and a driver became a mix of methods that pass a pointer to struct ifnet as identifier and methods that pass pointer to struct ieee80211com. From user point of view, the parent interface just hangs on in the ifconfig list, and user can't do anything useful with it. Now, the struct ifnet goes away. The struct ieee80211com is the only KPI between a device driver and net80211. Details: - The struct ieee80211com is embedded into drivers softc. - Packets are sent via new ic_transmit method, which is very much like the previous if_transmit. - Bringing parent up/down is done via new ic_parent method, which notifies driver about any changes: number of wlan(4) interfaces, number of them in promisc or allmulti state. - Device specific ioctls (if any) are received on new ic_ioctl method. - Packets/errors accounting are done by the stack. In certain cases, when driver experiences errors and can not attribute them to any specific interface, driver updates ic_oerrors or ic_ierrors counters. Details on interface configuration with new world order: - A sequence of commands needed to bring up wireless DOESN"T change. - /etc/rc.conf parameters DON'T change. - List of devices that can be used to create wlan(4) interfaces is now provided by net.wlan.devices sysctl. Most drivers in this change were converted by me, except of wpi(4), that was done by Andriy Voskoboinyk. Big thanks to Kevin Lo for testing changes to at least 8 drivers. Thanks to pluknet@, Oliver Hartmann, Olivier Cochard, gjb@, mmoll@, op@ and lev@, who also participated in testing. Reviewed by: adrian Sponsored by: Netflix Sponsored by: Nginx, Inc.
438 lines
11 KiB
C
438 lines
11 KiB
C
/* $FreeBSD$ */
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/* $OpenBSD: if_iwnvar.h,v 1.18 2010/04/30 16:06:46 damien Exp $ */
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/*-
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* Copyright (c) 2013 Cedric GROSS <cg@cgross.info>
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* Copyright (c) 2011 Intel Corporation
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* Copyright (c) 2007, 2008
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* Damien Bergamini <damien.bergamini@free.fr>
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* Copyright (c) 2008 Sam Leffler, Errno Consulting
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*
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* Permission to use, copy, modify, and 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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enum iwn_rxon_ctx_id {
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IWN_RXON_BSS_CTX,
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IWN_RXON_PAN_CTX,
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IWN_NUM_RXON_CTX
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};
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struct iwn_pan_slot {
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uint16_t time;
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uint8_t type;
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uint8_t reserved;
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} __packed;
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struct iwn_pan_params_cmd {
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uint16_t flags;
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#define IWN_PAN_PARAMS_FLG_SLOTTED_MODE (1 << 3)
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uint8_t reserved;
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uint8_t num_slots;
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struct iwn_pan_slot slots[10];
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} __packed;
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struct iwn_led_mode
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{
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uint8_t led_cur_mode;
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uint64_t led_cur_bt;
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uint64_t led_last_bt;
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uint64_t led_cur_tpt;
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uint64_t led_last_tpt;
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uint64_t led_bt_diff;
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int led_cur_time;
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int led_last_time;
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};
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struct iwn_rx_radiotap_header {
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struct ieee80211_radiotap_header wr_ihdr;
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uint64_t wr_tsft;
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uint8_t wr_flags;
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uint8_t wr_rate;
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uint16_t wr_chan_freq;
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uint16_t wr_chan_flags;
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int8_t wr_dbm_antsignal;
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int8_t wr_dbm_antnoise;
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} __packed;
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#define IWN_RX_RADIOTAP_PRESENT \
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((1 << IEEE80211_RADIOTAP_TSFT) | \
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(1 << IEEE80211_RADIOTAP_FLAGS) | \
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(1 << IEEE80211_RADIOTAP_RATE) | \
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(1 << IEEE80211_RADIOTAP_CHANNEL) | \
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(1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) | \
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(1 << IEEE80211_RADIOTAP_DBM_ANTNOISE))
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struct iwn_tx_radiotap_header {
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struct ieee80211_radiotap_header wt_ihdr;
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uint8_t wt_flags;
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uint8_t wt_rate;
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uint16_t wt_chan_freq;
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uint16_t wt_chan_flags;
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} __packed;
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#define IWN_TX_RADIOTAP_PRESENT \
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((1 << IEEE80211_RADIOTAP_FLAGS) | \
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(1 << IEEE80211_RADIOTAP_RATE) | \
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(1 << IEEE80211_RADIOTAP_CHANNEL))
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struct iwn_dma_info {
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bus_dma_tag_t tag;
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bus_dmamap_t map;
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bus_dma_segment_t seg;
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bus_addr_t paddr;
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caddr_t vaddr;
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bus_size_t size;
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};
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struct iwn_tx_data {
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bus_dmamap_t map;
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bus_addr_t cmd_paddr;
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bus_addr_t scratch_paddr;
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struct mbuf *m;
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struct ieee80211_node *ni;
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};
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struct iwn_tx_ring {
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struct iwn_dma_info desc_dma;
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struct iwn_dma_info cmd_dma;
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struct iwn_tx_desc *desc;
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struct iwn_tx_cmd *cmd;
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struct iwn_tx_data data[IWN_TX_RING_COUNT];
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bus_dma_tag_t data_dmat;
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int qid;
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int queued;
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int cur;
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int read;
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};
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struct iwn_softc;
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struct iwn_rx_data {
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struct mbuf *m;
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bus_dmamap_t map;
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};
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struct iwn_rx_ring {
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struct iwn_dma_info desc_dma;
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struct iwn_dma_info stat_dma;
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uint32_t *desc;
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struct iwn_rx_status *stat;
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struct iwn_rx_data data[IWN_RX_RING_COUNT];
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bus_dma_tag_t data_dmat;
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int cur;
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};
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struct iwn_node {
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struct ieee80211_node ni; /* must be the first */
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uint16_t disable_tid;
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uint8_t id;
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struct {
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uint64_t bitmap;
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int startidx;
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int nframes;
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} agg[IEEE80211_TID_SIZE];
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};
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struct iwn_calib_state {
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uint8_t state;
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#define IWN_CALIB_STATE_INIT 0
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#define IWN_CALIB_STATE_ASSOC 1
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#define IWN_CALIB_STATE_RUN 2
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u_int nbeacons;
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uint32_t noise[3];
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uint32_t rssi[3];
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uint32_t ofdm_x1;
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uint32_t ofdm_mrc_x1;
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uint32_t ofdm_x4;
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uint32_t ofdm_mrc_x4;
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uint32_t cck_x4;
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uint32_t cck_mrc_x4;
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uint32_t bad_plcp_ofdm;
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uint32_t fa_ofdm;
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uint32_t bad_plcp_cck;
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uint32_t fa_cck;
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uint32_t low_fa;
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uint32_t bad_plcp_ht;
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uint8_t cck_state;
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#define IWN_CCK_STATE_INIT 0
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#define IWN_CCK_STATE_LOFA 1
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#define IWN_CCK_STATE_HIFA 2
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uint8_t noise_samples[20];
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u_int cur_noise_sample;
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uint8_t noise_ref;
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uint32_t energy_samples[10];
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u_int cur_energy_sample;
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uint32_t energy_cck;
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};
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struct iwn_calib_info {
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uint8_t *buf;
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u_int len;
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};
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struct iwn_fw_part {
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const uint8_t *text;
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uint32_t textsz;
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const uint8_t *data;
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uint32_t datasz;
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};
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struct iwn_fw_info {
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const uint8_t *data;
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size_t size;
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struct iwn_fw_part init;
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struct iwn_fw_part main;
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struct iwn_fw_part boot;
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};
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struct iwn_ops {
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int (*load_firmware)(struct iwn_softc *);
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void (*read_eeprom)(struct iwn_softc *);
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int (*post_alive)(struct iwn_softc *);
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int (*nic_config)(struct iwn_softc *);
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void (*update_sched)(struct iwn_softc *, int, int, uint8_t,
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uint16_t);
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int (*get_temperature)(struct iwn_softc *);
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int (*get_rssi)(struct iwn_softc *, struct iwn_rx_stat *);
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int (*set_txpower)(struct iwn_softc *,
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struct ieee80211_channel *, int);
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int (*init_gains)(struct iwn_softc *);
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int (*set_gains)(struct iwn_softc *);
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int (*add_node)(struct iwn_softc *, struct iwn_node_info *,
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int);
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void (*tx_done)(struct iwn_softc *, struct iwn_rx_desc *,
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struct iwn_rx_data *);
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void (*ampdu_tx_start)(struct iwn_softc *,
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struct ieee80211_node *, int, uint8_t, uint16_t);
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void (*ampdu_tx_stop)(struct iwn_softc *, int, uint8_t,
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uint16_t);
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};
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struct iwn_vap {
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struct ieee80211vap iv_vap;
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uint8_t iv_ridx;
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int (*iv_newstate)(struct ieee80211vap *,
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enum ieee80211_state, int);
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int ctx;
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int beacon_int;
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};
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#define IWN_VAP(_vap) ((struct iwn_vap *)(_vap))
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struct iwn_softc {
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device_t sc_dev;
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int sc_debug;
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struct mtx sc_mtx;
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struct ieee80211com sc_ic;
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struct mbufq sc_snd;
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u_int sc_flags;
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#define IWN_FLAG_HAS_OTPROM (1 << 1)
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#define IWN_FLAG_CALIB_DONE (1 << 2)
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#define IWN_FLAG_USE_ICT (1 << 3)
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#define IWN_FLAG_INTERNAL_PA (1 << 4)
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#define IWN_FLAG_HAS_11N (1 << 6)
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#define IWN_FLAG_ENH_SENS (1 << 7)
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#define IWN_FLAG_ADV_BTCOEX (1 << 8)
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#define IWN_FLAG_PAN_SUPPORT (1 << 9)
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#define IWN_FLAG_BTCOEX (1 << 10)
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#define IWN_FLAG_RUNNING (1 << 11)
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uint8_t hw_type;
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/* subdevice_id used to adjust configuration */
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uint16_t subdevice_id;
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struct iwn_ops ops;
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const char *fwname;
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const struct iwn_sensitivity_limits
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*limits;
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int ntxqs;
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int firstaggqueue;
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int ndmachnls;
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uint8_t broadcast_id;
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int rxonsz;
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int schedsz;
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uint32_t fw_text_maxsz;
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uint32_t fw_data_maxsz;
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uint32_t fwsz;
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bus_size_t sched_txfact_addr;
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uint32_t reset_noise_gain;
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uint32_t noise_gain;
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/* TX scheduler rings. */
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struct iwn_dma_info sched_dma;
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uint16_t *sched;
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uint32_t sched_base;
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/* "Keep Warm" page. */
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struct iwn_dma_info kw_dma;
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/* Firmware image. */
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const struct firmware *fw_fp;
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/* Firmware DMA transfer. */
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struct iwn_dma_info fw_dma;
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/* ICT table. */
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struct iwn_dma_info ict_dma;
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uint32_t *ict;
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int ict_cur;
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/* TX/RX rings. */
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struct iwn_tx_ring txq[IWN5000_NTXQUEUES];
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struct iwn_rx_ring rxq;
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struct resource *mem;
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bus_space_tag_t sc_st;
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bus_space_handle_t sc_sh;
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struct resource *irq;
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void *sc_ih;
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bus_size_t sc_sz;
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int sc_cap_off; /* PCIe Capabilities. */
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/* Tasks used by the driver */
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struct task sc_reinit_task;
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struct task sc_radioon_task;
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struct task sc_radiooff_task;
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struct task sc_panic_task;
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struct task sc_xmit_task;
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/* Taskqueue */
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struct taskqueue *sc_tq;
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/* Calibration information */
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struct callout calib_to;
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int calib_cnt;
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struct iwn_calib_state calib;
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int last_calib_ticks;
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struct callout watchdog_to;
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struct iwn_fw_info fw;
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struct iwn_calib_info calibcmd[IWN5000_PHY_CALIB_MAX_RESULT];
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uint32_t errptr;
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struct iwn_rx_stat last_rx_stat;
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int last_rx_valid;
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struct iwn_ucode_info ucode_info;
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struct iwn_rxon rx_on[IWN_NUM_RXON_CTX];
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struct iwn_rxon *rxon;
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int ctx;
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struct ieee80211vap *ivap[IWN_NUM_RXON_CTX];
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/* General statistics */
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/*
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* The statistics are reset after each channel
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* change. So it may be zeroed after things like
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* a background scan.
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*
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* So for now, this is just a cheap hack to
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* expose the last received statistics dump
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* via an ioctl(). Later versions of this
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* could expose the last 'n' messages, or just
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* provide a pipeline for the firmware responses
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* via something like BPF.
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*/
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struct iwn_stats last_stat;
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int last_stat_valid;
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uint8_t uc_scan_progress;
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uint32_t rawtemp;
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int temp;
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int noise;
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uint32_t qfullmsk;
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uint32_t prom_base;
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struct iwn4965_eeprom_band
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bands[IWN_NBANDS];
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struct iwn_eeprom_chan eeprom_channels[IWN_NBANDS][IWN_MAX_CHAN_PER_BAND];
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uint16_t rfcfg;
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uint8_t calib_ver;
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char eeprom_domain[4];
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uint32_t eeprom_crystal;
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int16_t eeprom_temp;
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int16_t eeprom_temp_high;
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int16_t eeprom_voltage;
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int8_t maxpwr2GHz;
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int8_t maxpwr5GHz;
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int8_t maxpwr[IEEE80211_CHAN_MAX];
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uint32_t tlv_feature_flags;
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int32_t temp_off;
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uint32_t int_mask;
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uint8_t ntxchains;
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uint8_t nrxchains;
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uint8_t txchainmask;
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uint8_t rxchainmask;
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uint8_t chainmask;
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int sc_tx_timer;
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int sc_scan_timer;
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/* Are we doing a scan? */
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int sc_is_scanning;
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/* Are we waiting for a beacon before xmit? */
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int sc_beacon_wait;
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struct ieee80211_tx_ampdu *qid2tap[IWN5000_NTXQUEUES];
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int (*sc_ampdu_rx_start)(struct ieee80211_node *,
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struct ieee80211_rx_ampdu *, int, int, int);
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void (*sc_ampdu_rx_stop)(struct ieee80211_node *,
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struct ieee80211_rx_ampdu *);
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int (*sc_addba_request)(struct ieee80211_node *,
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struct ieee80211_tx_ampdu *, int, int, int);
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int (*sc_addba_response)(struct ieee80211_node *,
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struct ieee80211_tx_ampdu *, int, int, int);
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void (*sc_addba_stop)(struct ieee80211_node *,
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struct ieee80211_tx_ampdu *);
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struct iwn_led_mode sc_led;
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struct iwn_rx_radiotap_header sc_rxtap;
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struct iwn_tx_radiotap_header sc_txtap;
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/* The power save level originally configured by user */
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int desired_pwrsave_level;
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/*
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* The current power save level, this may differ from the
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* configured value due to thermal throttling etc.
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*/
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int current_pwrsave_level;
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/* For specific params */
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const struct iwn_base_params *base_params;
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#define IWN_UCODE_API(ver) (((ver) & 0x0000FF00) >> 8)
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uint32_t ucode_rev;
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/*
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* Global queue for queuing xmit frames
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* when we can't yet transmit (eg raw
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* frames whilst waiting for beacons.)
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*/
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struct mbufq sc_xmit_queue;
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};
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#define IWN_LOCK_INIT(_sc) \
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mtx_init(&(_sc)->sc_mtx, device_get_nameunit((_sc)->sc_dev), \
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MTX_NETWORK_LOCK, MTX_DEF)
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#define IWN_LOCK(_sc) mtx_lock(&(_sc)->sc_mtx)
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#define IWN_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->sc_mtx, MA_OWNED)
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#define IWN_UNLOCK(_sc) mtx_unlock(&(_sc)->sc_mtx)
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#define IWN_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->sc_mtx)
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