fd5ad4d1e9
In bmps mode, beacons are filtered, and firmware is in charge of monitoring the beacons and report changes or loss. mac80211 must be advertised about such change to prevent it's internal timer based beacon monitor to report beacon loss. Fix that by setting/clearing the IEEE80211_VIF_BEACON_FILTER vif flag on bmps entry/exit. Signed-off-by: Loic Poulain <loic.poulain@linaro.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/1592471863-31402-2-git-send-email-loic.poulain@linaro.org
69 lines
2.2 KiB
C
69 lines
2.2 KiB
C
/*
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* Copyright (c) 2013 Eugene Krasnikov <k.eugene.e@gmail.com>
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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 ANY
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* 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 ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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#include "wcn36xx.h"
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int wcn36xx_pmc_enter_bmps_state(struct wcn36xx *wcn,
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struct ieee80211_vif *vif)
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{
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int ret = 0;
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struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif);
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if (!vif_priv->allow_bmps)
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return -ENOTSUPP;
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ret = wcn36xx_smd_enter_bmps(wcn, vif);
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if (!ret) {
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wcn36xx_dbg(WCN36XX_DBG_PMC, "Entered BMPS\n");
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vif_priv->pw_state = WCN36XX_BMPS;
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vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER;
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} else {
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/*
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* One of the reasons why HW will not enter BMPS is because
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* driver is trying to enter bmps before first beacon was
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* received just after auth complete
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*/
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wcn36xx_err("Can not enter BMPS!\n");
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}
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return ret;
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}
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int wcn36xx_pmc_exit_bmps_state(struct wcn36xx *wcn,
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struct ieee80211_vif *vif)
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{
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struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif);
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if (WCN36XX_BMPS != vif_priv->pw_state) {
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/* Unbalanced call or last BMPS enter failed */
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wcn36xx_dbg(WCN36XX_DBG_PMC,
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"Not in BMPS mode, no need to exit\n");
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return -EALREADY;
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}
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wcn36xx_smd_exit_bmps(wcn, vif);
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vif_priv->pw_state = WCN36XX_FULL_POWER;
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vif->driver_flags &= ~IEEE80211_VIF_BEACON_FILTER;
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return 0;
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}
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int wcn36xx_enable_keep_alive_null_packet(struct wcn36xx *wcn,
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struct ieee80211_vif *vif)
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{
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wcn36xx_dbg(WCN36XX_DBG_PMC, "%s\n", __func__);
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return wcn36xx_smd_keep_alive_req(wcn, vif,
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WCN36XX_HAL_KEEP_ALIVE_NULL_PKT);
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}
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