879 lines
22 KiB
C
879 lines
22 KiB
C
// SPDX-License-Identifier: BSD-3-Clause-Clear
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/*
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* Copyright (c) 2020 The Linux Foundation. All rights reserved.
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* Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
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*/
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#include <linux/delay.h>
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#include "mac.h"
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#include <net/mac80211.h>
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#include "core.h"
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#include "hif.h"
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#include "debug.h"
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#include "wmi.h"
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#include "wow.h"
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#include "dp_rx.h"
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static const struct wiphy_wowlan_support ath11k_wowlan_support = {
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.flags = WIPHY_WOWLAN_DISCONNECT |
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WIPHY_WOWLAN_MAGIC_PKT |
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WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
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WIPHY_WOWLAN_GTK_REKEY_FAILURE,
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.pattern_min_len = WOW_MIN_PATTERN_SIZE,
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.pattern_max_len = WOW_MAX_PATTERN_SIZE,
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.max_pkt_offset = WOW_MAX_PKT_OFFSET,
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};
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int ath11k_wow_enable(struct ath11k_base *ab)
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{
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struct ath11k *ar = ath11k_ab_to_ar(ab, 0);
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int i, ret;
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clear_bit(ATH11K_FLAG_HTC_SUSPEND_COMPLETE, &ab->dev_flags);
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for (i = 0; i < ATH11K_WOW_RETRY_NUM; i++) {
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reinit_completion(&ab->htc_suspend);
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ret = ath11k_wmi_wow_enable(ar);
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if (ret) {
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ath11k_warn(ab, "failed to issue wow enable: %d\n", ret);
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return ret;
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}
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ret = wait_for_completion_timeout(&ab->htc_suspend, 3 * HZ);
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if (ret == 0) {
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ath11k_warn(ab,
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"timed out while waiting for htc suspend completion\n");
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return -ETIMEDOUT;
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}
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if (test_bit(ATH11K_FLAG_HTC_SUSPEND_COMPLETE, &ab->dev_flags))
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/* success, suspend complete received */
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return 0;
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ath11k_warn(ab, "htc suspend not complete, retrying (try %d)\n",
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i);
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msleep(ATH11K_WOW_RETRY_WAIT_MS);
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}
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ath11k_warn(ab, "htc suspend not complete, failing after %d tries\n", i);
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return -ETIMEDOUT;
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}
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int ath11k_wow_wakeup(struct ath11k_base *ab)
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{
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struct ath11k *ar = ath11k_ab_to_ar(ab, 0);
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int ret;
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/* In the case of WCN6750, WoW wakeup is done
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* by sending SMP2P power save exit message
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* to the target processor.
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*/
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if (ab->hw_params.smp2p_wow_exit)
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return 0;
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reinit_completion(&ab->wow.wakeup_completed);
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ret = ath11k_wmi_wow_host_wakeup_ind(ar);
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if (ret) {
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ath11k_warn(ab, "failed to send wow wakeup indication: %d\n",
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ret);
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return ret;
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}
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ret = wait_for_completion_timeout(&ab->wow.wakeup_completed, 3 * HZ);
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if (ret == 0) {
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ath11k_warn(ab, "timed out while waiting for wow wakeup completion\n");
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return -ETIMEDOUT;
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}
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return 0;
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}
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static int ath11k_wow_vif_cleanup(struct ath11k_vif *arvif)
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{
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struct ath11k *ar = arvif->ar;
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int i, ret;
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for (i = 0; i < WOW_EVENT_MAX; i++) {
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ret = ath11k_wmi_wow_add_wakeup_event(ar, arvif->vdev_id, i, 0);
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if (ret) {
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ath11k_warn(ar->ab, "failed to issue wow wakeup for event %s on vdev %i: %d\n",
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wow_wakeup_event(i), arvif->vdev_id, ret);
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return ret;
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}
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}
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for (i = 0; i < ar->wow.max_num_patterns; i++) {
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ret = ath11k_wmi_wow_del_pattern(ar, arvif->vdev_id, i);
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if (ret) {
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ath11k_warn(ar->ab, "failed to delete wow pattern %d for vdev %i: %d\n",
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i, arvif->vdev_id, ret);
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return ret;
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}
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}
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return 0;
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}
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static int ath11k_wow_cleanup(struct ath11k *ar)
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{
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struct ath11k_vif *arvif;
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int ret;
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lockdep_assert_held(&ar->conf_mutex);
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list_for_each_entry(arvif, &ar->arvifs, list) {
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ret = ath11k_wow_vif_cleanup(arvif);
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if (ret) {
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ath11k_warn(ar->ab, "failed to clean wow wakeups on vdev %i: %d\n",
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arvif->vdev_id, ret);
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return ret;
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}
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}
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return 0;
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}
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/* Convert a 802.3 format to a 802.11 format.
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* +------------+-----------+--------+----------------+
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* 802.3: |dest mac(6B)|src mac(6B)|type(2B)| body... |
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* +------------+-----------+--------+----------------+
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* |__ |_______ |____________ |________
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* | | | |
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* +--+------------+----+-----------+---------------+-----------+
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* 802.11: |4B|dest mac(6B)| 6B |src mac(6B)| 8B |type(2B)| body... |
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* +--+------------+----+-----------+---------------+-----------+
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*/
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static void ath11k_wow_convert_8023_to_80211(struct cfg80211_pkt_pattern *new,
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const struct cfg80211_pkt_pattern *old)
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{
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u8 hdr_8023_pattern[ETH_HLEN] = {};
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u8 hdr_8023_bit_mask[ETH_HLEN] = {};
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u8 hdr_80211_pattern[WOW_HDR_LEN] = {};
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u8 hdr_80211_bit_mask[WOW_HDR_LEN] = {};
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int total_len = old->pkt_offset + old->pattern_len;
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int hdr_80211_end_offset;
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struct ieee80211_hdr_3addr *new_hdr_pattern =
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(struct ieee80211_hdr_3addr *)hdr_80211_pattern;
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struct ieee80211_hdr_3addr *new_hdr_mask =
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(struct ieee80211_hdr_3addr *)hdr_80211_bit_mask;
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struct ethhdr *old_hdr_pattern = (struct ethhdr *)hdr_8023_pattern;
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struct ethhdr *old_hdr_mask = (struct ethhdr *)hdr_8023_bit_mask;
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int hdr_len = sizeof(*new_hdr_pattern);
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struct rfc1042_hdr *new_rfc_pattern =
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(struct rfc1042_hdr *)(hdr_80211_pattern + hdr_len);
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struct rfc1042_hdr *new_rfc_mask =
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(struct rfc1042_hdr *)(hdr_80211_bit_mask + hdr_len);
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int rfc_len = sizeof(*new_rfc_pattern);
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memcpy(hdr_8023_pattern + old->pkt_offset,
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old->pattern, ETH_HLEN - old->pkt_offset);
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memcpy(hdr_8023_bit_mask + old->pkt_offset,
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old->mask, ETH_HLEN - old->pkt_offset);
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/* Copy destination address */
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memcpy(new_hdr_pattern->addr1, old_hdr_pattern->h_dest, ETH_ALEN);
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memcpy(new_hdr_mask->addr1, old_hdr_mask->h_dest, ETH_ALEN);
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/* Copy source address */
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memcpy(new_hdr_pattern->addr3, old_hdr_pattern->h_source, ETH_ALEN);
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memcpy(new_hdr_mask->addr3, old_hdr_mask->h_source, ETH_ALEN);
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/* Copy logic link type */
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memcpy(&new_rfc_pattern->snap_type,
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&old_hdr_pattern->h_proto,
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sizeof(old_hdr_pattern->h_proto));
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memcpy(&new_rfc_mask->snap_type,
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&old_hdr_mask->h_proto,
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sizeof(old_hdr_mask->h_proto));
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/* Compute new pkt_offset */
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if (old->pkt_offset < ETH_ALEN)
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new->pkt_offset = old->pkt_offset +
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offsetof(struct ieee80211_hdr_3addr, addr1);
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else if (old->pkt_offset < offsetof(struct ethhdr, h_proto))
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new->pkt_offset = old->pkt_offset +
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offsetof(struct ieee80211_hdr_3addr, addr3) -
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offsetof(struct ethhdr, h_source);
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else
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new->pkt_offset = old->pkt_offset + hdr_len + rfc_len - ETH_HLEN;
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/* Compute new hdr end offset */
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if (total_len > ETH_HLEN)
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hdr_80211_end_offset = hdr_len + rfc_len;
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else if (total_len > offsetof(struct ethhdr, h_proto))
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hdr_80211_end_offset = hdr_len + rfc_len + total_len - ETH_HLEN;
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else if (total_len > ETH_ALEN)
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hdr_80211_end_offset = total_len - ETH_ALEN +
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offsetof(struct ieee80211_hdr_3addr, addr3);
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else
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hdr_80211_end_offset = total_len +
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offsetof(struct ieee80211_hdr_3addr, addr1);
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new->pattern_len = hdr_80211_end_offset - new->pkt_offset;
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memcpy((u8 *)new->pattern,
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hdr_80211_pattern + new->pkt_offset,
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new->pattern_len);
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memcpy((u8 *)new->mask,
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hdr_80211_bit_mask + new->pkt_offset,
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new->pattern_len);
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if (total_len > ETH_HLEN) {
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/* Copy frame body */
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memcpy((u8 *)new->pattern + new->pattern_len,
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(void *)old->pattern + ETH_HLEN - old->pkt_offset,
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total_len - ETH_HLEN);
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memcpy((u8 *)new->mask + new->pattern_len,
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(void *)old->mask + ETH_HLEN - old->pkt_offset,
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total_len - ETH_HLEN);
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new->pattern_len += total_len - ETH_HLEN;
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}
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}
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static int ath11k_wmi_pno_check_and_convert(struct ath11k *ar, u32 vdev_id,
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struct cfg80211_sched_scan_request *nd_config,
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struct wmi_pno_scan_req *pno)
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{
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int i, j;
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u8 ssid_len;
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pno->enable = 1;
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pno->vdev_id = vdev_id;
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pno->uc_networks_count = nd_config->n_match_sets;
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if (!pno->uc_networks_count ||
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pno->uc_networks_count > WMI_PNO_MAX_SUPP_NETWORKS)
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return -EINVAL;
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if (nd_config->n_channels > WMI_PNO_MAX_NETW_CHANNELS_EX)
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return -EINVAL;
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/* Filling per profile params */
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for (i = 0; i < pno->uc_networks_count; i++) {
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ssid_len = nd_config->match_sets[i].ssid.ssid_len;
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if (ssid_len == 0 || ssid_len > 32)
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return -EINVAL;
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pno->a_networks[i].ssid.ssid_len = ssid_len;
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memcpy(pno->a_networks[i].ssid.ssid,
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nd_config->match_sets[i].ssid.ssid,
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nd_config->match_sets[i].ssid.ssid_len);
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pno->a_networks[i].authentication = 0;
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pno->a_networks[i].encryption = 0;
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pno->a_networks[i].bcast_nw_type = 0;
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/* Copying list of valid channel into request */
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pno->a_networks[i].channel_count = nd_config->n_channels;
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pno->a_networks[i].rssi_threshold = nd_config->match_sets[i].rssi_thold;
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for (j = 0; j < nd_config->n_channels; j++) {
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pno->a_networks[i].channels[j] =
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nd_config->channels[j]->center_freq;
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}
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}
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/* set scan to passive if no SSIDs are specified in the request */
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if (nd_config->n_ssids == 0)
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pno->do_passive_scan = true;
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else
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pno->do_passive_scan = false;
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for (i = 0; i < nd_config->n_ssids; i++) {
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j = 0;
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while (j < pno->uc_networks_count) {
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if (pno->a_networks[j].ssid.ssid_len ==
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nd_config->ssids[i].ssid_len &&
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(memcmp(pno->a_networks[j].ssid.ssid,
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nd_config->ssids[i].ssid,
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pno->a_networks[j].ssid.ssid_len) == 0)) {
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pno->a_networks[j].bcast_nw_type = BCAST_HIDDEN;
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break;
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}
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j++;
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}
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}
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if (nd_config->n_scan_plans == 2) {
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pno->fast_scan_period = nd_config->scan_plans[0].interval * MSEC_PER_SEC;
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pno->fast_scan_max_cycles = nd_config->scan_plans[0].iterations;
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pno->slow_scan_period =
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nd_config->scan_plans[1].interval * MSEC_PER_SEC;
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} else if (nd_config->n_scan_plans == 1) {
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pno->fast_scan_period = nd_config->scan_plans[0].interval * MSEC_PER_SEC;
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pno->fast_scan_max_cycles = 1;
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pno->slow_scan_period = nd_config->scan_plans[0].interval * MSEC_PER_SEC;
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} else {
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ath11k_warn(ar->ab, "Invalid number of scan plans %d !!",
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nd_config->n_scan_plans);
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}
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if (nd_config->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
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/* enable mac randomization */
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pno->enable_pno_scan_randomization = 1;
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memcpy(pno->mac_addr, nd_config->mac_addr, ETH_ALEN);
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memcpy(pno->mac_addr_mask, nd_config->mac_addr_mask, ETH_ALEN);
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}
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pno->delay_start_time = nd_config->delay;
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/* Current FW does not support min-max range for dwell time */
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pno->active_max_time = WMI_ACTIVE_MAX_CHANNEL_TIME;
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pno->passive_max_time = WMI_PASSIVE_MAX_CHANNEL_TIME;
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return 0;
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}
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static int ath11k_vif_wow_set_wakeups(struct ath11k_vif *arvif,
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struct cfg80211_wowlan *wowlan)
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{
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int ret, i;
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unsigned long wow_mask = 0;
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struct ath11k *ar = arvif->ar;
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const struct cfg80211_pkt_pattern *patterns = wowlan->patterns;
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int pattern_id = 0;
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/* Setup requested WOW features */
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switch (arvif->vdev_type) {
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case WMI_VDEV_TYPE_IBSS:
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__set_bit(WOW_BEACON_EVENT, &wow_mask);
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fallthrough;
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case WMI_VDEV_TYPE_AP:
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__set_bit(WOW_DEAUTH_RECVD_EVENT, &wow_mask);
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__set_bit(WOW_DISASSOC_RECVD_EVENT, &wow_mask);
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__set_bit(WOW_PROBE_REQ_WPS_IE_EVENT, &wow_mask);
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__set_bit(WOW_AUTH_REQ_EVENT, &wow_mask);
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__set_bit(WOW_ASSOC_REQ_EVENT, &wow_mask);
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__set_bit(WOW_HTT_EVENT, &wow_mask);
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__set_bit(WOW_RA_MATCH_EVENT, &wow_mask);
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break;
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case WMI_VDEV_TYPE_STA:
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if (wowlan->disconnect) {
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__set_bit(WOW_DEAUTH_RECVD_EVENT, &wow_mask);
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__set_bit(WOW_DISASSOC_RECVD_EVENT, &wow_mask);
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__set_bit(WOW_BMISS_EVENT, &wow_mask);
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__set_bit(WOW_CSA_IE_EVENT, &wow_mask);
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}
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if (wowlan->magic_pkt)
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__set_bit(WOW_MAGIC_PKT_RECVD_EVENT, &wow_mask);
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if (wowlan->nd_config) {
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struct wmi_pno_scan_req *pno;
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int ret;
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pno = kzalloc(sizeof(*pno), GFP_KERNEL);
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if (!pno)
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return -ENOMEM;
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ar->nlo_enabled = true;
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ret = ath11k_wmi_pno_check_and_convert(ar, arvif->vdev_id,
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wowlan->nd_config, pno);
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if (!ret) {
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ath11k_wmi_wow_config_pno(ar, arvif->vdev_id, pno);
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__set_bit(WOW_NLO_DETECTED_EVENT, &wow_mask);
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}
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kfree(pno);
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}
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break;
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default:
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break;
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}
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for (i = 0; i < wowlan->n_patterns; i++) {
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u8 bitmask[WOW_MAX_PATTERN_SIZE] = {};
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u8 ath_pattern[WOW_MAX_PATTERN_SIZE] = {};
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u8 ath_bitmask[WOW_MAX_PATTERN_SIZE] = {};
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struct cfg80211_pkt_pattern new_pattern = {};
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struct cfg80211_pkt_pattern old_pattern = patterns[i];
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int j;
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new_pattern.pattern = ath_pattern;
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new_pattern.mask = ath_bitmask;
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if (patterns[i].pattern_len > WOW_MAX_PATTERN_SIZE)
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continue;
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/* convert bytemask to bitmask */
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for (j = 0; j < patterns[i].pattern_len; j++)
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if (patterns[i].mask[j / 8] & BIT(j % 8))
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bitmask[j] = 0xff;
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old_pattern.mask = bitmask;
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if (ar->wmi->wmi_ab->wlan_resource_config.rx_decap_mode ==
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ATH11K_HW_TXRX_NATIVE_WIFI) {
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if (patterns[i].pkt_offset < ETH_HLEN) {
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u8 pattern_ext[WOW_MAX_PATTERN_SIZE] = {};
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memcpy(pattern_ext, old_pattern.pattern,
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old_pattern.pattern_len);
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old_pattern.pattern = pattern_ext;
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ath11k_wow_convert_8023_to_80211(&new_pattern,
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&old_pattern);
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} else {
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new_pattern = old_pattern;
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new_pattern.pkt_offset += WOW_HDR_LEN - ETH_HLEN;
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}
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}
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if (WARN_ON(new_pattern.pattern_len > WOW_MAX_PATTERN_SIZE))
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return -EINVAL;
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ret = ath11k_wmi_wow_add_pattern(ar, arvif->vdev_id,
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pattern_id,
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new_pattern.pattern,
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new_pattern.mask,
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new_pattern.pattern_len,
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new_pattern.pkt_offset);
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if (ret) {
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ath11k_warn(ar->ab, "failed to add pattern %i to vdev %i: %d\n",
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pattern_id,
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arvif->vdev_id, ret);
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return ret;
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}
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|
|
pattern_id++;
|
|
__set_bit(WOW_PATTERN_MATCH_EVENT, &wow_mask);
|
|
}
|
|
|
|
for (i = 0; i < WOW_EVENT_MAX; i++) {
|
|
if (!test_bit(i, &wow_mask))
|
|
continue;
|
|
ret = ath11k_wmi_wow_add_wakeup_event(ar, arvif->vdev_id, i, 1);
|
|
if (ret) {
|
|
ath11k_warn(ar->ab, "failed to enable wakeup event %s on vdev %i: %d\n",
|
|
wow_wakeup_event(i), arvif->vdev_id, ret);
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ath11k_wow_set_wakeups(struct ath11k *ar,
|
|
struct cfg80211_wowlan *wowlan)
|
|
{
|
|
struct ath11k_vif *arvif;
|
|
int ret;
|
|
|
|
lockdep_assert_held(&ar->conf_mutex);
|
|
|
|
list_for_each_entry(arvif, &ar->arvifs, list) {
|
|
ret = ath11k_vif_wow_set_wakeups(arvif, wowlan);
|
|
if (ret) {
|
|
ath11k_warn(ar->ab, "failed to set wow wakeups on vdev %i: %d\n",
|
|
arvif->vdev_id, ret);
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ath11k_vif_wow_clean_nlo(struct ath11k_vif *arvif)
|
|
{
|
|
int ret = 0;
|
|
struct ath11k *ar = arvif->ar;
|
|
|
|
switch (arvif->vdev_type) {
|
|
case WMI_VDEV_TYPE_STA:
|
|
if (ar->nlo_enabled) {
|
|
struct wmi_pno_scan_req *pno;
|
|
|
|
pno = kzalloc(sizeof(*pno), GFP_KERNEL);
|
|
if (!pno)
|
|
return -ENOMEM;
|
|
|
|
pno->enable = 0;
|
|
ar->nlo_enabled = false;
|
|
ret = ath11k_wmi_wow_config_pno(ar, arvif->vdev_id, pno);
|
|
kfree(pno);
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static int ath11k_wow_nlo_cleanup(struct ath11k *ar)
|
|
{
|
|
struct ath11k_vif *arvif;
|
|
int ret;
|
|
|
|
lockdep_assert_held(&ar->conf_mutex);
|
|
|
|
list_for_each_entry(arvif, &ar->arvifs, list) {
|
|
ret = ath11k_vif_wow_clean_nlo(arvif);
|
|
if (ret) {
|
|
ath11k_warn(ar->ab, "failed to clean nlo settings on vdev %i: %d\n",
|
|
arvif->vdev_id, ret);
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ath11k_wow_set_hw_filter(struct ath11k *ar)
|
|
{
|
|
struct ath11k_vif *arvif;
|
|
u32 bitmap;
|
|
int ret;
|
|
|
|
lockdep_assert_held(&ar->conf_mutex);
|
|
|
|
list_for_each_entry(arvif, &ar->arvifs, list) {
|
|
bitmap = WMI_HW_DATA_FILTER_DROP_NON_ICMPV6_MC |
|
|
WMI_HW_DATA_FILTER_DROP_NON_ARP_BC;
|
|
ret = ath11k_wmi_hw_data_filter_cmd(ar, arvif->vdev_id,
|
|
bitmap,
|
|
true);
|
|
if (ret) {
|
|
ath11k_warn(ar->ab, "failed to set hw data filter on vdev %i: %d\n",
|
|
arvif->vdev_id, ret);
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ath11k_wow_clear_hw_filter(struct ath11k *ar)
|
|
{
|
|
struct ath11k_vif *arvif;
|
|
int ret;
|
|
|
|
lockdep_assert_held(&ar->conf_mutex);
|
|
|
|
list_for_each_entry(arvif, &ar->arvifs, list) {
|
|
ret = ath11k_wmi_hw_data_filter_cmd(ar, arvif->vdev_id, 0, false);
|
|
|
|
if (ret) {
|
|
ath11k_warn(ar->ab, "failed to clear hw data filter on vdev %i: %d\n",
|
|
arvif->vdev_id, ret);
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ath11k_wow_arp_ns_offload(struct ath11k *ar, bool enable)
|
|
{
|
|
struct ath11k_vif *arvif;
|
|
int ret;
|
|
|
|
lockdep_assert_held(&ar->conf_mutex);
|
|
|
|
list_for_each_entry(arvif, &ar->arvifs, list) {
|
|
if (arvif->vdev_type != WMI_VDEV_TYPE_STA)
|
|
continue;
|
|
|
|
ret = ath11k_wmi_arp_ns_offload(ar, arvif, enable);
|
|
|
|
if (ret) {
|
|
ath11k_warn(ar->ab, "failed to set arp ns offload vdev %i: enable %d, ret %d\n",
|
|
arvif->vdev_id, enable, ret);
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ath11k_gtk_rekey_offload(struct ath11k *ar, bool enable)
|
|
{
|
|
struct ath11k_vif *arvif;
|
|
int ret;
|
|
|
|
lockdep_assert_held(&ar->conf_mutex);
|
|
|
|
list_for_each_entry(arvif, &ar->arvifs, list) {
|
|
if (arvif->vdev_type != WMI_VDEV_TYPE_STA ||
|
|
!arvif->is_up ||
|
|
!arvif->rekey_data.enable_offload)
|
|
continue;
|
|
|
|
/* get rekey info before disable rekey offload */
|
|
if (!enable) {
|
|
ret = ath11k_wmi_gtk_rekey_getinfo(ar, arvif);
|
|
if (ret) {
|
|
ath11k_warn(ar->ab, "failed to request rekey info vdev %i, ret %d\n",
|
|
arvif->vdev_id, ret);
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
ret = ath11k_wmi_gtk_rekey_offload(ar, arvif, enable);
|
|
|
|
if (ret) {
|
|
ath11k_warn(ar->ab, "failed to offload gtk reky vdev %i: enable %d, ret %d\n",
|
|
arvif->vdev_id, enable, ret);
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ath11k_wow_protocol_offload(struct ath11k *ar, bool enable)
|
|
{
|
|
int ret;
|
|
|
|
ret = ath11k_wow_arp_ns_offload(ar, enable);
|
|
if (ret) {
|
|
ath11k_warn(ar->ab, "failed to offload ARP and NS %d %d\n",
|
|
enable, ret);
|
|
return ret;
|
|
}
|
|
|
|
ret = ath11k_gtk_rekey_offload(ar, enable);
|
|
if (ret) {
|
|
ath11k_warn(ar->ab, "failed to offload gtk rekey %d %d\n",
|
|
enable, ret);
|
|
return ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ath11k_wow_set_keepalive(struct ath11k *ar,
|
|
enum wmi_sta_keepalive_method method,
|
|
u32 interval)
|
|
{
|
|
struct ath11k_vif *arvif;
|
|
int ret;
|
|
|
|
lockdep_assert_held(&ar->conf_mutex);
|
|
|
|
list_for_each_entry(arvif, &ar->arvifs, list) {
|
|
ret = ath11k_mac_vif_set_keepalive(arvif, method, interval);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int ath11k_wow_op_suspend(struct ieee80211_hw *hw,
|
|
struct cfg80211_wowlan *wowlan)
|
|
{
|
|
struct ath11k *ar = hw->priv;
|
|
int ret;
|
|
|
|
ret = ath11k_mac_wait_tx_complete(ar);
|
|
if (ret) {
|
|
ath11k_warn(ar->ab, "failed to wait tx complete: %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
mutex_lock(&ar->conf_mutex);
|
|
|
|
ret = ath11k_dp_rx_pktlog_stop(ar->ab, true);
|
|
if (ret) {
|
|
ath11k_warn(ar->ab,
|
|
"failed to stop dp rx (and timer) pktlog during wow suspend: %d\n",
|
|
ret);
|
|
goto exit;
|
|
}
|
|
|
|
ret = ath11k_wow_cleanup(ar);
|
|
if (ret) {
|
|
ath11k_warn(ar->ab, "failed to clear wow wakeup events: %d\n",
|
|
ret);
|
|
goto exit;
|
|
}
|
|
|
|
ret = ath11k_wow_set_wakeups(ar, wowlan);
|
|
if (ret) {
|
|
ath11k_warn(ar->ab, "failed to set wow wakeup events: %d\n",
|
|
ret);
|
|
goto cleanup;
|
|
}
|
|
|
|
ret = ath11k_wow_protocol_offload(ar, true);
|
|
if (ret) {
|
|
ath11k_warn(ar->ab, "failed to set wow protocol offload events: %d\n",
|
|
ret);
|
|
goto cleanup;
|
|
}
|
|
|
|
ret = ath11k_wow_set_hw_filter(ar);
|
|
if (ret) {
|
|
ath11k_warn(ar->ab, "failed to set hw filter: %d\n",
|
|
ret);
|
|
goto cleanup;
|
|
}
|
|
|
|
ret = ath11k_wow_set_keepalive(ar,
|
|
WMI_STA_KEEPALIVE_METHOD_NULL_FRAME,
|
|
WMI_STA_KEEPALIVE_INTERVAL_DEFAULT);
|
|
if (ret) {
|
|
ath11k_warn(ar->ab, "failed to enable wow keepalive: %d\n", ret);
|
|
goto cleanup;
|
|
}
|
|
|
|
ret = ath11k_wow_enable(ar->ab);
|
|
if (ret) {
|
|
ath11k_warn(ar->ab, "failed to start wow: %d\n", ret);
|
|
goto cleanup;
|
|
}
|
|
|
|
ret = ath11k_dp_rx_pktlog_stop(ar->ab, false);
|
|
if (ret) {
|
|
ath11k_warn(ar->ab,
|
|
"failed to stop dp rx pktlog during wow suspend: %d\n",
|
|
ret);
|
|
goto cleanup;
|
|
}
|
|
|
|
ath11k_ce_stop_shadow_timers(ar->ab);
|
|
ath11k_dp_stop_shadow_timers(ar->ab);
|
|
|
|
ath11k_hif_irq_disable(ar->ab);
|
|
ath11k_hif_ce_irq_disable(ar->ab);
|
|
|
|
ret = ath11k_hif_suspend(ar->ab);
|
|
if (ret) {
|
|
ath11k_warn(ar->ab, "failed to suspend hif: %d\n", ret);
|
|
goto wakeup;
|
|
}
|
|
|
|
goto exit;
|
|
|
|
wakeup:
|
|
ath11k_wow_wakeup(ar->ab);
|
|
|
|
cleanup:
|
|
ath11k_wow_cleanup(ar);
|
|
|
|
exit:
|
|
mutex_unlock(&ar->conf_mutex);
|
|
return ret ? 1 : 0;
|
|
}
|
|
|
|
void ath11k_wow_op_set_wakeup(struct ieee80211_hw *hw, bool enabled)
|
|
{
|
|
struct ath11k *ar = hw->priv;
|
|
|
|
mutex_lock(&ar->conf_mutex);
|
|
device_set_wakeup_enable(ar->ab->dev, enabled);
|
|
mutex_unlock(&ar->conf_mutex);
|
|
}
|
|
|
|
int ath11k_wow_op_resume(struct ieee80211_hw *hw)
|
|
{
|
|
struct ath11k *ar = hw->priv;
|
|
int ret;
|
|
|
|
mutex_lock(&ar->conf_mutex);
|
|
|
|
ret = ath11k_hif_resume(ar->ab);
|
|
if (ret) {
|
|
ath11k_warn(ar->ab, "failed to resume hif: %d\n", ret);
|
|
goto exit;
|
|
}
|
|
|
|
ath11k_hif_ce_irq_enable(ar->ab);
|
|
ath11k_hif_irq_enable(ar->ab);
|
|
|
|
ret = ath11k_dp_rx_pktlog_start(ar->ab);
|
|
if (ret) {
|
|
ath11k_warn(ar->ab, "failed to start rx pktlog from wow: %d\n", ret);
|
|
goto exit;
|
|
}
|
|
|
|
ret = ath11k_wow_wakeup(ar->ab);
|
|
if (ret) {
|
|
ath11k_warn(ar->ab, "failed to wakeup from wow: %d\n", ret);
|
|
goto exit;
|
|
}
|
|
|
|
ret = ath11k_wow_nlo_cleanup(ar);
|
|
if (ret) {
|
|
ath11k_warn(ar->ab, "failed to cleanup nlo: %d\n", ret);
|
|
goto exit;
|
|
}
|
|
|
|
ret = ath11k_wow_clear_hw_filter(ar);
|
|
if (ret) {
|
|
ath11k_warn(ar->ab, "failed to clear hw filter: %d\n", ret);
|
|
goto exit;
|
|
}
|
|
|
|
ret = ath11k_wow_protocol_offload(ar, false);
|
|
if (ret) {
|
|
ath11k_warn(ar->ab, "failed to clear wow protocol offload events: %d\n",
|
|
ret);
|
|
goto exit;
|
|
}
|
|
|
|
ret = ath11k_wow_set_keepalive(ar,
|
|
WMI_STA_KEEPALIVE_METHOD_NULL_FRAME,
|
|
WMI_STA_KEEPALIVE_INTERVAL_DISABLE);
|
|
if (ret) {
|
|
ath11k_warn(ar->ab, "failed to disable wow keepalive: %d\n", ret);
|
|
goto exit;
|
|
}
|
|
|
|
exit:
|
|
if (ret) {
|
|
switch (ar->state) {
|
|
case ATH11K_STATE_ON:
|
|
ar->state = ATH11K_STATE_RESTARTING;
|
|
ret = 1;
|
|
break;
|
|
case ATH11K_STATE_OFF:
|
|
case ATH11K_STATE_RESTARTING:
|
|
case ATH11K_STATE_RESTARTED:
|
|
case ATH11K_STATE_WEDGED:
|
|
case ATH11K_STATE_FTM:
|
|
ath11k_warn(ar->ab, "encountered unexpected device state %d on resume, cannot recover\n",
|
|
ar->state);
|
|
ret = -EIO;
|
|
break;
|
|
}
|
|
}
|
|
|
|
mutex_unlock(&ar->conf_mutex);
|
|
return ret;
|
|
}
|
|
|
|
int ath11k_wow_init(struct ath11k *ar)
|
|
{
|
|
if (!test_bit(WMI_TLV_SERVICE_WOW, ar->wmi->wmi_ab->svc_map))
|
|
return 0;
|
|
|
|
ar->wow.wowlan_support = ath11k_wowlan_support;
|
|
|
|
if (ar->wmi->wmi_ab->wlan_resource_config.rx_decap_mode ==
|
|
ATH11K_HW_TXRX_NATIVE_WIFI) {
|
|
ar->wow.wowlan_support.pattern_max_len -= WOW_MAX_REDUCE;
|
|
ar->wow.wowlan_support.max_pkt_offset -= WOW_MAX_REDUCE;
|
|
}
|
|
|
|
if (test_bit(WMI_TLV_SERVICE_NLO, ar->wmi->wmi_ab->svc_map)) {
|
|
ar->wow.wowlan_support.flags |= WIPHY_WOWLAN_NET_DETECT;
|
|
ar->wow.wowlan_support.max_nd_match_sets = WMI_PNO_MAX_SUPP_NETWORKS;
|
|
}
|
|
|
|
ar->wow.max_num_patterns = ATH11K_WOW_PATTERNS;
|
|
ar->wow.wowlan_support.n_patterns = ar->wow.max_num_patterns;
|
|
ar->hw->wiphy->wowlan = &ar->wow.wowlan_support;
|
|
|
|
device_set_wakeup_capable(ar->ab->dev, true);
|
|
|
|
return 0;
|
|
}
|