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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-04 06:26:43 +07:00
brcmfmac: Add wowl support for PCIE devices.
Add basic wowl (magic packet and disconnect) support. This patch adds this support only for PCIE bus devices. This feature requires FW which has support for wowl built in. Reviewed-by: Arend Van Spriel <arend@broadcom.com> Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Reviewed-by: Daniel (Deognyoun) Kim <dekim@broadcom.com> Signed-off-by: Hante Meuleman <meuleman@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Hante Meuleman
John W. Linville
parent
58b2251e96
commit
4eb3af7c1d
@ -67,6 +67,7 @@ struct brcmf_bus_dcmd {
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* @txctl: transmit a control request message to dongle.
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* @rxctl: receive a control response message from dongle.
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* @gettxq: obtain a reference of bus transmit queue (optional).
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* @wowl_config: specify if dongle is configured for wowl when going to suspend
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*
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* This structure provides an abstract interface towards the
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* bus specific driver. For control messages to common driver
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@ -80,6 +81,7 @@ struct brcmf_bus_ops {
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int (*txctl)(struct device *dev, unsigned char *msg, uint len);
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int (*rxctl)(struct device *dev, unsigned char *msg, uint len);
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struct pktq * (*gettxq)(struct device *dev);
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void (*wowl_config)(struct device *dev, bool enabled);
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};
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@ -114,6 +116,7 @@ struct brcmf_bus_msgbuf {
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* @dstats: dongle-based statistical data.
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* @dcmd_list: bus/device specific dongle initialization commands.
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* @chip: device identifier of the dongle chip.
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* @wowl_supported: is wowl supported by bus driver.
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* @chiprev: revision of the dongle chip.
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*/
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struct brcmf_bus {
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@ -131,6 +134,7 @@ struct brcmf_bus {
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u32 chip;
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u32 chiprev;
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bool always_use_fws_queue;
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bool wowl_supported;
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struct brcmf_bus_ops *ops;
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struct brcmf_bus_msgbuf *msgbuf;
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@ -177,6 +181,13 @@ struct pktq *brcmf_bus_gettxq(struct brcmf_bus *bus)
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return bus->ops->gettxq(bus->dev);
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}
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static inline
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void brcmf_bus_wowl_config(struct brcmf_bus *bus, bool enabled)
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{
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if (bus->ops->wowl_config)
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bus->ops->wowl_config(bus->dev, enabled);
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}
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static inline bool brcmf_bus_ready(struct brcmf_bus *bus)
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{
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return bus->state == BRCMF_BUS_LOAD || bus->state == BRCMF_BUS_DATA;
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@ -107,6 +107,8 @@ void brcmf_feat_attach(struct brcmf_pub *drvr)
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struct brcmf_if *ifp = drvr->iflist[0];
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brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_MCHAN, "mchan");
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if (drvr->bus_if->wowl_supported)
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brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_WOWL, "wowl");
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/* set chip related quirks */
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switch (drvr->bus_if->chip) {
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@ -22,7 +22,8 @@
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* MCHAN: multi-channel for concurrent P2P.
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*/
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#define BRCMF_FEAT_LIST \
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BRCMF_FEAT_DEF(MCHAN)
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BRCMF_FEAT_DEF(MCHAN) \
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BRCMF_FEAT_DEF(WOWL)
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/*
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* Quirks:
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*
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@ -53,6 +53,62 @@
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#define BRCMF_OBSS_COEX_OFF 0
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#define BRCMF_OBSS_COEX_ON 1
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/* WOWL bits */
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/* Wakeup on Magic packet: */
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#define WL_WOWL_MAGIC (1 << 0)
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/* Wakeup on Netpattern */
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#define WL_WOWL_NET (1 << 1)
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/* Wakeup on loss-of-link due to Disassoc/Deauth: */
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#define WL_WOWL_DIS (1 << 2)
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/* Wakeup on retrograde TSF: */
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#define WL_WOWL_RETR (1 << 3)
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/* Wakeup on loss of beacon: */
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#define WL_WOWL_BCN (1 << 4)
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/* Wakeup after test: */
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#define WL_WOWL_TST (1 << 5)
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/* Wakeup after PTK refresh: */
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#define WL_WOWL_M1 (1 << 6)
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/* Wakeup after receipt of EAP-Identity Req: */
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#define WL_WOWL_EAPID (1 << 7)
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/* Wakeind via PME(0) or GPIO(1): */
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#define WL_WOWL_PME_GPIO (1 << 8)
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/* need tkip phase 1 key to be updated by the driver: */
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#define WL_WOWL_NEEDTKIP1 (1 << 9)
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/* enable wakeup if GTK fails: */
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#define WL_WOWL_GTK_FAILURE (1 << 10)
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/* support extended magic packets: */
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#define WL_WOWL_EXTMAGPAT (1 << 11)
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/* support ARP/NS/keepalive offloading: */
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#define WL_WOWL_ARPOFFLOAD (1 << 12)
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/* read protocol version for EAPOL frames: */
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#define WL_WOWL_WPA2 (1 << 13)
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/* If the bit is set, use key rotaton: */
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#define WL_WOWL_KEYROT (1 << 14)
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/* If the bit is set, frm received was bcast frame: */
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#define WL_WOWL_BCAST (1 << 15)
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/* If the bit is set, scan offload is enabled: */
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#define WL_WOWL_SCANOL (1 << 16)
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/* Wakeup on tcpkeep alive timeout: */
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#define WL_WOWL_TCPKEEP_TIME (1 << 17)
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/* Wakeup on mDNS Conflict Resolution: */
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#define WL_WOWL_MDNS_CONFLICT (1 << 18)
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/* Wakeup on mDNS Service Connect: */
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#define WL_WOWL_MDNS_SERVICE (1 << 19)
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/* tcp keepalive got data: */
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#define WL_WOWL_TCPKEEP_DATA (1 << 20)
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/* Firmware died in wowl mode: */
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#define WL_WOWL_FW_HALT (1 << 21)
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/* Enable detection of radio button changes: */
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#define WL_WOWL_ENAB_HWRADIO (1 << 22)
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/* Offloads detected MIC failure(s): */
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#define WL_WOWL_MIC_FAIL (1 << 23)
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/* Wakeup in Unassociated state (Net/Magic Pattern): */
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#define WL_WOWL_UNASSOC (1 << 24)
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/* Wakeup if received matched secured pattern: */
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#define WL_WOWL_SECURE (1 << 25)
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/* Link Down indication in WoWL mode: */
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#define WL_WOWL_LINKDOWN (1 << 31)
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/* join preference types for join_pref iovar */
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enum brcmf_join_pref_types {
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BRCMF_JOIN_PREF_RSSI = 1,
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@ -165,6 +165,8 @@ enum brcmf_pcie_state {
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#define BRCMF_H2D_HOST_D3_INFORM 0x00000001
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#define BRCMF_H2D_HOST_DS_ACK 0x00000002
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#define BRCMF_H2D_HOST_D0_INFORM_IN_USE 0x00000008
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#define BRCMF_H2D_HOST_D0_INFORM 0x00000010
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#define BRCMF_PCIE_MBDATA_TIMEOUT 2000
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@ -243,6 +245,7 @@ struct brcmf_pciedev_info {
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wait_queue_head_t mbdata_resp_wait;
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bool mbdata_completed;
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bool irq_allocated;
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bool wowl_enabled;
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};
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struct brcmf_pcie_ringbuf {
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@ -537,7 +540,7 @@ static int brcmf_pcie_exit_download_state(struct brcmf_pciedev_info *devinfo,
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}
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static void
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static int
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brcmf_pcie_send_mb_data(struct brcmf_pciedev_info *devinfo, u32 htod_mb_data)
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{
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struct brcmf_pcie_shared_info *shared;
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@ -558,13 +561,15 @@ brcmf_pcie_send_mb_data(struct brcmf_pciedev_info *devinfo, u32 htod_mb_data)
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msleep(10);
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i++;
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if (i > 100)
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break;
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return -EIO;
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cur_htod_mb_data = brcmf_pcie_read_tcm32(devinfo, addr);
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}
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brcmf_pcie_write_tcm32(devinfo, addr, htod_mb_data);
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pci_write_config_dword(devinfo->pdev, BRCMF_PCIE_REG_SBMBX, 1);
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pci_write_config_dword(devinfo->pdev, BRCMF_PCIE_REG_SBMBX, 1);
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return 0;
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}
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@ -1229,11 +1234,27 @@ static int brcmf_pcie_rx_ctlpkt(struct device *dev, unsigned char *msg,
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}
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static void brcmf_pcie_wowl_config(struct device *dev, bool enabled)
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{
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struct brcmf_bus *bus_if = dev_get_drvdata(dev);
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struct brcmf_pciedev *buspub = bus_if->bus_priv.pcie;
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struct brcmf_pciedev_info *devinfo = buspub->devinfo;
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brcmf_dbg(PCIE, "Configuring WOWL, enabled=%d\n", enabled);
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devinfo->wowl_enabled = enabled;
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if (enabled)
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device_set_wakeup_enable(&devinfo->pdev->dev, true);
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else
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device_set_wakeup_enable(&devinfo->pdev->dev, false);
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}
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static struct brcmf_bus_ops brcmf_pcie_bus_ops = {
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.txdata = brcmf_pcie_tx,
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.stop = brcmf_pcie_down,
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.txctl = brcmf_pcie_tx_ctlpkt,
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.rxctl = brcmf_pcie_rx_ctlpkt,
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.wowl_config = brcmf_pcie_wowl_config,
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};
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@ -1668,6 +1689,7 @@ brcmf_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id)
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bus->ops = &brcmf_pcie_bus_ops;
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bus->proto_type = BRCMF_PROTO_MSGBUF;
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bus->chip = devinfo->coreid;
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bus->wowl_supported = pci_pme_capable(pdev, PCI_D3hot);
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dev_set_drvdata(&pdev->dev, bus);
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ret = brcmf_pcie_get_fwnames(devinfo);
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@ -1759,36 +1781,62 @@ static int brcmf_pcie_suspend(struct pci_dev *pdev, pm_message_t state)
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brcmf_err("Timeout on response for entering D3 substate\n");
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return -EIO;
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}
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brcmf_pcie_release_irq(devinfo);
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brcmf_pcie_send_mb_data(devinfo, BRCMF_H2D_HOST_D0_INFORM_IN_USE);
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err = pci_save_state(pdev);
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if (err) {
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if (err)
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brcmf_err("pci_save_state failed, err=%d\n", err);
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return err;
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if ((err) || (!devinfo->wowl_enabled)) {
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brcmf_chip_detach(devinfo->ci);
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devinfo->ci = NULL;
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brcmf_pcie_remove(pdev);
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return 0;
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}
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brcmf_chip_detach(devinfo->ci);
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devinfo->ci = NULL;
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brcmf_pcie_remove(pdev);
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return pci_prepare_to_sleep(pdev);
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}
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static int brcmf_pcie_resume(struct pci_dev *pdev)
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{
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struct brcmf_pciedev_info *devinfo;
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struct brcmf_bus *bus;
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int err;
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brcmf_dbg(PCIE, "Enter, pdev=%p\n", pdev);
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bus = dev_get_drvdata(&pdev->dev);
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brcmf_dbg(PCIE, "Enter, pdev=%p, bus=%p\n", pdev, bus);
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err = pci_set_power_state(pdev, PCI_D0);
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if (err) {
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brcmf_err("pci_set_power_state failed, err=%d\n", err);
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return err;
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goto cleanup;
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}
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pci_restore_state(pdev);
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pci_enable_wake(pdev, PCI_D3hot, false);
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pci_enable_wake(pdev, PCI_D3cold, false);
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/* Check if device is still up and running, if so we are ready */
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if (bus) {
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devinfo = bus->bus_priv.pcie->devinfo;
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if (brcmf_pcie_read_reg32(devinfo,
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BRCMF_PCIE_PCIE2REG_INTMASK) != 0) {
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if (brcmf_pcie_send_mb_data(devinfo,
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BRCMF_H2D_HOST_D0_INFORM))
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goto cleanup;
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brcmf_dbg(PCIE, "Hot resume, continue....\n");
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brcmf_pcie_select_core(devinfo, BCMA_CORE_PCIE2);
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brcmf_bus_change_state(bus, BRCMF_BUS_DATA);
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brcmf_pcie_intr_enable(devinfo);
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return 0;
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}
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}
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cleanup:
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if (bus) {
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devinfo = bus->bus_priv.pcie->devinfo;
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brcmf_chip_detach(devinfo->ci);
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devinfo->ci = NULL;
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brcmf_pcie_remove(pdev);
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}
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err = brcmf_pcie_probe(pdev, NULL);
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if (err)
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brcmf_err("probe after resume failed, err=%d\n", err);
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@ -37,6 +37,7 @@
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#include "fwil.h"
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#include "proto.h"
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#include "vendor.h"
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#include "dhd_bus.h"
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#define BRCMF_SCAN_IE_LEN_MAX 2048
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#define BRCMF_PNO_VERSION 2
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@ -2777,50 +2778,91 @@ static __always_inline void brcmf_delay(u32 ms)
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static s32 brcmf_cfg80211_resume(struct wiphy *wiphy)
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{
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struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
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struct net_device *ndev = cfg_to_ndev(cfg);
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struct brcmf_if *ifp = netdev_priv(ndev);
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brcmf_dbg(TRACE, "Enter\n");
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if (cfg->wowl_enabled) {
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brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM,
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cfg->pre_wowl_pmmode);
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brcmf_fil_iovar_data_set(ifp, "wowl_pattern", "clr", 4);
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brcmf_fil_iovar_int_set(ifp, "wowl_clear", 0);
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cfg->wowl_enabled = false;
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}
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return 0;
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}
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static void brcmf_configure_wowl(struct brcmf_cfg80211_info *cfg,
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struct brcmf_if *ifp,
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struct cfg80211_wowlan *wowl)
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{
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u32 wowl_config;
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brcmf_dbg(TRACE, "Suspend, wowl config.\n");
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brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_PM, &cfg->pre_wowl_pmmode);
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brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, PM_MAX);
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wowl_config = 0;
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if (wowl->disconnect)
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wowl_config |= WL_WOWL_DIS | WL_WOWL_BCN | WL_WOWL_RETR;
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/* Note: if "wowl" target and not "wowlpf" then wowl_bcn_loss
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* should be configured. This paramater is not supported by
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* wowlpf.
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*/
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if (wowl->magic_pkt)
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wowl_config |= WL_WOWL_MAGIC;
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brcmf_fil_iovar_int_set(ifp, "wowl", wowl_config);
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brcmf_fil_iovar_int_set(ifp, "wowl_activate", 1);
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brcmf_bus_wowl_config(cfg->pub->bus_if, true);
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cfg->wowl_enabled = true;
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}
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static s32 brcmf_cfg80211_suspend(struct wiphy *wiphy,
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struct cfg80211_wowlan *wow)
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struct cfg80211_wowlan *wowl)
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{
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struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
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struct net_device *ndev = cfg_to_ndev(cfg);
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struct brcmf_if *ifp = netdev_priv(ndev);
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struct brcmf_cfg80211_vif *vif;
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brcmf_dbg(TRACE, "Enter\n");
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/*
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* if the primary net_device is not READY there is nothing
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/* if the primary net_device is not READY there is nothing
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* we can do but pray resume goes smoothly.
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*/
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vif = ((struct brcmf_if *)netdev_priv(ndev))->vif;
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if (!check_vif_up(vif))
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if (!check_vif_up(ifp->vif))
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goto exit;
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list_for_each_entry(vif, &cfg->vif_list, list) {
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if (!test_bit(BRCMF_VIF_STATUS_READY, &vif->sme_state))
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continue;
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/*
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* While going to suspend if associated with AP disassociate
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* from AP to save power while system is in suspended state
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*/
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brcmf_link_down(vif);
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/* Make sure WPA_Supplicant receives all the event
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* generated due to DISASSOC call to the fw to keep
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* the state fw and WPA_Supplicant state consistent
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*/
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brcmf_delay(500);
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}
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/* end any scanning */
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if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status))
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brcmf_abort_scanning(cfg);
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/* Turn off watchdog timer */
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brcmf_set_mpc(netdev_priv(ndev), 1);
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if (wowl == NULL) {
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brcmf_bus_wowl_config(cfg->pub->bus_if, false);
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list_for_each_entry(vif, &cfg->vif_list, list) {
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if (!test_bit(BRCMF_VIF_STATUS_READY, &vif->sme_state))
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continue;
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/* While going to suspend if associated with AP
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* disassociate from AP to save power while system is
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* in suspended state
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*/
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brcmf_link_down(vif);
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/* Make sure WPA_Supplicant receives all the event
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* generated due to DISASSOC call to the fw to keep
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* the state fw and WPA_Supplicant state consistent
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*/
|
||||
brcmf_delay(500);
|
||||
}
|
||||
/* Configure MPC */
|
||||
brcmf_set_mpc(ifp, 1);
|
||||
|
||||
} else {
|
||||
/* Configure WOWL paramaters */
|
||||
brcmf_configure_wowl(cfg, ifp, wowl);
|
||||
}
|
||||
|
||||
exit:
|
||||
brcmf_dbg(TRACE, "Exit\n");
|
||||
@ -5393,6 +5435,21 @@ static void brcmf_wiphy_pno_params(struct wiphy *wiphy)
|
||||
wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
|
||||
}
|
||||
|
||||
|
||||
#ifdef CONFIG_PM
|
||||
static const struct wiphy_wowlan_support brcmf_wowlan_support = {
|
||||
.flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT,
|
||||
};
|
||||
#endif
|
||||
|
||||
static void brcmf_wiphy_wowl_params(struct wiphy *wiphy)
|
||||
{
|
||||
#ifdef CONFIG_PM
|
||||
/* wowl settings */
|
||||
wiphy->wowlan = &brcmf_wowlan_support;
|
||||
#endif
|
||||
}
|
||||
|
||||
static int brcmf_setup_wiphy(struct wiphy *wiphy, struct brcmf_if *ifp)
|
||||
{
|
||||
struct ieee80211_iface_combination ifc_combo;
|
||||
@ -5430,6 +5487,9 @@ static int brcmf_setup_wiphy(struct wiphy *wiphy, struct brcmf_if *ifp)
|
||||
wiphy->vendor_commands = brcmf_vendor_cmds;
|
||||
wiphy->n_vendor_commands = BRCMF_VNDR_CMDS_LAST - 1;
|
||||
|
||||
if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL))
|
||||
brcmf_wiphy_wowl_params(wiphy);
|
||||
|
||||
return brcmf_setup_wiphybands(wiphy);
|
||||
}
|
||||
|
||||
|
||||
@ -363,6 +363,8 @@ struct brcmf_cfg80211_vif_event {
|
||||
* @vif_list: linked list of vif instances.
|
||||
* @vif_cnt: number of vif instances.
|
||||
* @vif_event: vif event signalling.
|
||||
* @wowl_enabled; set during suspend, is wowl used.
|
||||
* @pre_wowl_pmmode: intermediate storage of pm mode during wowl.
|
||||
*/
|
||||
struct brcmf_cfg80211_info {
|
||||
struct wiphy *wiphy;
|
||||
@ -396,6 +398,8 @@ struct brcmf_cfg80211_info {
|
||||
struct brcmf_cfg80211_vif_event vif_event;
|
||||
struct completion vif_disabled;
|
||||
struct brcmu_d11inf d11inf;
|
||||
bool wowl_enabled;
|
||||
u32 pre_wowl_pmmode;
|
||||
};
|
||||
|
||||
/**
|
||||
|
||||
@ -74,10 +74,6 @@
|
||||
#define BRCM_BAND_2G 2 /* 2.4 Ghz */
|
||||
#define BRCM_BAND_ALL 3 /* all bands */
|
||||
|
||||
/* Values for PM */
|
||||
#define PM_OFF 0
|
||||
#define PM_MAX 1
|
||||
|
||||
/* Debug levels */
|
||||
#define BRCM_DL_INFO 0x00000001
|
||||
#define BRCM_DL_MAC80211 0x00000002
|
||||
@ -87,6 +83,7 @@
|
||||
#define BRCM_DL_DMA 0x00000020
|
||||
#define BRCM_DL_HT 0x00000040
|
||||
|
||||
/* Values for PM */
|
||||
#define PM_OFF 0
|
||||
#define PM_MAX 1
|
||||
#define PM_FAST 2
|
||||
|
||||
Loading…
Reference in New Issue
Block a user