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69 lines
2.2 KiB
69 lines
2.2 KiB
/* |
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* Copyright (c) 2013 Eugene Krasnikov <[email protected]> |
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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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