From patchwork Thu Jan 20 10:13:26 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Carl Huang X-Patchwork-Id: 12718494 X-Patchwork-Delegate: kvalo@adurom.com Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 635A7C433EF for ; Thu, 20 Jan 2022 10:14:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1359794AbiATKOF (ORCPT ); Thu, 20 Jan 2022 05:14:05 -0500 Received: from alexa-out-sd-02.qualcomm.com ([199.106.114.39]:4178 "EHLO alexa-out-sd-02.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1359789AbiATKOF (ORCPT ); Thu, 20 Jan 2022 05:14:05 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1642673645; x=1674209645; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version; bh=7JcXIAgKrhaNqqWlTv6Hl87FuFCgVnT4SRel5aqFJ/0=; b=TGav15FX8cG5SLpXPJfzOwHtuuRO2s43CygJSrPvuEIAPB7635/7/n6o fjikkyqk0MIrTnCusmERzstrSL0KQGdeXxd+C/hZDR4yz+mnZDRzlgw/Z RFTKFO70fyq7OWk2FMM2XbFFconDOq9FTmgwGTl22xe8t0lScWkcavTrQ M=; Received: from unknown (HELO ironmsg-SD-alpha.qualcomm.com) ([10.53.140.30]) by alexa-out-sd-02.qualcomm.com with ESMTP; 20 Jan 2022 02:14:04 -0800 X-QCInternal: smtphost Received: from nasanex01c.na.qualcomm.com ([10.47.97.222]) by ironmsg-SD-alpha.qualcomm.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Jan 2022 02:14:04 -0800 Received: from nalasex01a.na.qualcomm.com (10.47.209.196) by nasanex01c.na.qualcomm.com (10.47.97.222) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.922.19; Thu, 20 Jan 2022 02:14:04 -0800 Received: from cjhuang2-gv.qualcomm.com (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.922.19; Thu, 20 Jan 2022 02:14:03 -0800 From: Carl Huang To: CC: Subject: [PATCH v2 5/6] ath11k: support ARP and NS offload Date: Thu, 20 Jan 2022 18:13:26 +0800 Message-ID: <1642673607-8896-6-git-send-email-quic_cjhuang@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1642673607-8896-1-git-send-email-quic_cjhuang@quicinc.com> References: <1642673607-8896-1-git-send-email-quic_cjhuang@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01a.na.qualcomm.com (10.47.209.196) Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Support ARP and NS offload in WoW state. Tested this way: put machine A with QCA6390 to WoW state, ping/ping6 machine A from another machine B, check sniffer to see any ARP response and Neighbour advertisement from machine A. Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1 Signed-off-by: Carl Huang Signed-off-by: Baochen Qiang --- drivers/net/wireless/ath/ath11k/core.h | 18 ++++ drivers/net/wireless/ath/ath11k/mac.c | 114 +++++++++++++++++++++++++ drivers/net/wireless/ath/ath11k/wmi.c | 149 +++++++++++++++++++++++++++++++++ drivers/net/wireless/ath/ath11k/wmi.h | 46 ++++++++++ drivers/net/wireless/ath/ath11k/wow.c | 52 ++++++++++++ 5 files changed, 379 insertions(+) diff --git a/drivers/net/wireless/ath/ath11k/core.h b/drivers/net/wireless/ath/ath11k/core.h index 6010c0b..b37782f 100644 --- a/drivers/net/wireless/ath/ath11k/core.h +++ b/drivers/net/wireless/ath/ath11k/core.h @@ -212,6 +212,23 @@ enum ath11k_monitor_flags { ATH11K_FLAG_MONITOR_VDEV_CREATED, }; +#define ATH11K_IPV6_UC_TYPE 0 +#define ATH11K_IPV6_AC_TYPE 1 + +#define ATH11K_IPV6_MAX_COUNT 16 +#define ATH11K_IPV4_MAX_COUNT 2 + +struct ath11k_arp_ns_offload { + u8 ipv4_addr[ATH11K_IPV4_MAX_COUNT][4]; + u32 ipv4_count; + u32 ipv6_count; + u8 ipv6_addr[ATH11K_IPV6_MAX_COUNT][16]; + u8 self_ipv6_addr[ATH11K_IPV6_MAX_COUNT][16]; + u8 ipv6_type[ATH11K_IPV6_MAX_COUNT]; + bool ipv6_valid[ATH11K_IPV6_MAX_COUNT]; + u8 mac_addr[ETH_ALEN]; +}; + struct ath11k_vif { u32 vdev_id; enum wmi_vdev_type vdev_type; @@ -263,6 +280,7 @@ struct ath11k_vif { bool bcca_zero_sent; bool do_not_send_tmpl; struct ieee80211_chanctx_conf chanctx; + struct ath11k_arp_ns_offload arp_ns_offload; }; struct ath11k_vif_iter { diff --git a/drivers/net/wireless/ath/ath11k/mac.c b/drivers/net/wireless/ath/ath11k/mac.c index 2474772..a773c9d 100644 --- a/drivers/net/wireless/ath/ath11k/mac.c +++ b/drivers/net/wireless/ath/ath11k/mac.c @@ -6,6 +6,11 @@ #include #include +#include +#include +#include +#include + #include "mac.h" #include "core.h" #include "debug.h" @@ -2994,6 +2999,7 @@ static void ath11k_mac_op_bss_info_changed(struct ieee80211_hw *hw, int ret = 0; u8 rateidx; u32 rate; + u32 ipv4_cnt; mutex_lock(&ar->conf_mutex); @@ -3286,6 +3292,18 @@ static void ath11k_mac_op_bss_info_changed(struct ieee80211_hw *hw, changed & BSS_CHANGED_UNSOL_BCAST_PROBE_RESP) ath11k_mac_fils_discovery(arvif, info); + if (changed & BSS_CHANGED_ARP_FILTER) { + ipv4_cnt = min(info->arp_addr_cnt, ATH11K_IPV4_MAX_COUNT); + memcpy(arvif->arp_ns_offload.ipv4_addr, info->arp_addr_list, + ipv4_cnt * sizeof(u32)); + memcpy(arvif->arp_ns_offload.mac_addr, vif->addr, ETH_ALEN); + arvif->arp_ns_offload.ipv4_count = ipv4_cnt; + + ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "arp_addr_cnt:%d, %pM, %pI4\n", + info->arp_addr_cnt, + vif->addr, arvif->arp_ns_offload.ipv4_addr); + } + mutex_unlock(&ar->conf_mutex); } @@ -7826,6 +7844,97 @@ static void ath11k_mac_op_sta_statistics(struct ieee80211_hw *hw, sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL); } +static void ath11k_generate_ns_mc_addr(struct ath11k *ar, struct ath11k_arp_ns_offload *offload) +{ + int i; + + for (i = 0; i < offload->ipv6_count; i++) { + offload->self_ipv6_addr[i][0] = 0xFF; + offload->self_ipv6_addr[i][1] = 0x02; + offload->self_ipv6_addr[i][11] = 0x01; + offload->self_ipv6_addr[i][12] = 0xFF; + offload->self_ipv6_addr[i][13] = + offload->ipv6_addr[i][13]; + offload->self_ipv6_addr[i][14] = + offload->ipv6_addr[i][14]; + offload->self_ipv6_addr[i][15] = + offload->ipv6_addr[i][15]; + ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "NS solicited addr %pI6\n", + offload->self_ipv6_addr[i]); + } +} + +static void ath11k_mac_op_ipv6_changed(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct inet6_dev *idev) +{ + struct ath11k *ar = hw->priv; + struct ath11k_arp_ns_offload *offload; + struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); + struct inet6_ifaddr *ifa6; + struct ifacaddr6 *ifaca6; + struct list_head *p; + u32 count, scope; + + offload = &arvif->arp_ns_offload; + count = 0; + + read_lock_bh(&idev->lock); + + memset(offload->ipv6_addr, 0, sizeof(offload->ipv6_addr)); + memset(offload->self_ipv6_addr, 0, sizeof(offload->self_ipv6_addr)); + memcpy(offload->mac_addr, vif->addr, ETH_ALEN); + + /* get unicast address */ + list_for_each(p, &idev->addr_list) { + if (count >= ATH11K_IPV6_MAX_COUNT) + goto generate; + + ifa6 = list_entry(p, struct inet6_ifaddr, if_list); + if (ifa6->flags & IFA_F_DADFAILED) + continue; + scope = ipv6_addr_src_scope(&ifa6->addr); + if (scope == IPV6_ADDR_SCOPE_LINKLOCAL || + scope == IPV6_ADDR_SCOPE_GLOBAL) { + memcpy(offload->ipv6_addr[count], &ifa6->addr.s6_addr, + sizeof(ifa6->addr.s6_addr)); + offload->ipv6_type[count] = ATH11K_IPV6_UC_TYPE; + ath11k_dbg(ar->ab, ATH11K_DBG_DATA, "Count %d, Ipv6 UC %pI6, scope:%s\n", + count, offload->ipv6_addr[count], + scope == IPV6_ADDR_SCOPE_LINKLOCAL ? "LOCAL" : "GLOBAL"); + count++; + } else { + ath11k_info(ar->ab, "Not supported scope %d\n", scope); + } + } + + /* get anycast address */ + for (ifaca6 = idev->ac_list; ifaca6; ifaca6 = ifaca6->aca_next) { + if (count >= ATH11K_IPV6_MAX_COUNT) + goto generate; + + scope = ipv6_addr_src_scope(&ifaca6->aca_addr); + if (scope == IPV6_ADDR_SCOPE_LINKLOCAL || + scope == IPV6_ADDR_SCOPE_GLOBAL) { + memcpy(offload->ipv6_addr[count], &ifaca6->aca_addr, + sizeof(ifaca6->aca_addr)); + offload->ipv6_type[count] = ATH11K_IPV6_AC_TYPE; + ath11k_dbg(ar->ab, ATH11K_DBG_DATA, "Count %d, Ipv6 AC %pI6, scope:%s\n", + count, offload->ipv6_addr[count], + scope == IPV6_ADDR_SCOPE_LINKLOCAL ? "LOCAL" : "GLOBAL"); + count++; + } else { + ath11k_info(ar->ab, "Not supported scope %d\n", scope); + } + } + +generate: + offload->ipv6_count = count; + read_unlock_bh(&idev->lock); + /* generate ns multicast address */ + ath11k_generate_ns_mc_addr(ar, offload); +} + static const struct ieee80211_ops ath11k_ops = { .tx = ath11k_mac_op_tx, .start = ath11k_mac_op_start, @@ -7871,6 +7980,11 @@ static const struct ieee80211_ops ath11k_ops = { #ifdef CONFIG_ATH11K_DEBUGFS .sta_add_debugfs = ath11k_debugfs_sta_op_add, #endif + +#if IS_ENABLED(CONFIG_IPV6) + .ipv6_addr_change = ath11k_mac_op_ipv6_changed, +#endif + }; static void ath11k_mac_update_ch_list(struct ath11k *ar, diff --git a/drivers/net/wireless/ath/ath11k/wmi.c b/drivers/net/wireless/ath/ath11k/wmi.c index 706dcd8..da30824 100644 --- a/drivers/net/wireless/ath/ath11k/wmi.c +++ b/drivers/net/wireless/ath/ath11k/wmi.c @@ -8084,3 +8084,152 @@ int ath11k_wmi_wow_config_pno(struct ath11k *ar, u32 vdev_id, return ath11k_wmi_cmd_send(ar->wmi, skb, WMI_NETWORK_LIST_OFFLOAD_CONFIG_CMDID); } +static void ath11k_wmi_fill_ns_offload(struct ath11k *ar, + struct ath11k_arp_ns_offload *offload, + u8 **ptr, + bool enable, + bool ext) +{ + struct wmi_ns_offload_tuple *ns; + struct wmi_tlv *tlv; + u8 *buf_ptr = *ptr; + u32 ns_cnt, ns_ext_tuples; + int i, max_offloads; + + ns_cnt = offload->ipv6_count; + + tlv = (struct wmi_tlv *)buf_ptr; + if (ext) { + ns_ext_tuples = offload->ipv6_count - WMI_MAX_NS_OFFLOADS; + tlv->header = FIELD_PREP(WMI_TLV_TAG, WMI_TAG_ARRAY_STRUCT) | + FIELD_PREP(WMI_TLV_LEN, ns_ext_tuples * sizeof(*ns)); + i = WMI_MAX_NS_OFFLOADS; + max_offloads = offload->ipv6_count; + } else { + tlv->header = FIELD_PREP(WMI_TLV_TAG, WMI_TAG_ARRAY_STRUCT) | + FIELD_PREP(WMI_TLV_LEN, WMI_MAX_NS_OFFLOADS * sizeof(*ns)); + i = 0; + max_offloads = WMI_MAX_NS_OFFLOADS; + } + + buf_ptr += sizeof(*tlv); + for (; i < max_offloads; i++) { + ns = (struct wmi_ns_offload_tuple *)buf_ptr; + ns->tlv_header = FIELD_PREP(WMI_TLV_TAG, WMI_TAG_NS_OFFLOAD_TUPLE) | + FIELD_PREP(WMI_TLV_LEN, sizeof(*ns) - TLV_HDR_SIZE); + + if (enable) { + if (i < ns_cnt) + ns->flags |= WMI_NSOL_FLAGS_VALID; + + memcpy(ns->target_ipaddr[0], offload->ipv6_addr[i], 16); + memcpy(ns->solicitation_ipaddr, offload->self_ipv6_addr[i], 16); + ath11k_ce_byte_swap(ns->target_ipaddr[0], 16); + ath11k_ce_byte_swap(ns->solicitation_ipaddr, 16); + + if (offload->ipv6_type[i]) { + ns->flags |= + WMI_NSOL_FLAGS_IS_IPV6_ANYCAST; + } + + memcpy(ns->target_mac.addr, offload->mac_addr, ETH_ALEN); + ath11k_ce_byte_swap(ns->target_mac.addr, 8); + if (ns->target_mac.word0 != 0 || + ns->target_mac.word1 != 0) { + ns->flags |= WMI_NSOL_FLAGS_MAC_VALID; + } + + ath11k_dbg(ar->ab, ATH11K_DBG_WMI, + "Index %d NS solicited %pI6, target %pI6", + i, ns->solicitation_ipaddr, + ns->target_ipaddr[0]); + } + buf_ptr += sizeof(*ns); + } + *ptr = buf_ptr; +} + +static void ath11k_wmi_fill_arp_offload(struct ath11k *ar, + struct ath11k_arp_ns_offload *offload, + u8 **ptr, + bool enable) +{ + struct wmi_arp_offload_tuple *arp; + struct wmi_tlv *tlv; + u8 *buf_ptr = *ptr; + int i; + + /* fill arp tuple */ + tlv = (struct wmi_tlv *)buf_ptr; + tlv->header = FIELD_PREP(WMI_TLV_TAG, WMI_TAG_ARRAY_STRUCT) | + FIELD_PREP(WMI_TLV_LEN, WMI_MAX_ARP_OFFLOADS * sizeof(*arp)); + buf_ptr += sizeof(*tlv); + + for (i = 0; i < WMI_MAX_ARP_OFFLOADS; i++) { + arp = (struct wmi_arp_offload_tuple *)buf_ptr; + arp->tlv_header = FIELD_PREP(WMI_TLV_TAG, WMI_TAG_ARP_OFFLOAD_TUPLE) | + FIELD_PREP(WMI_TLV_LEN, sizeof(*arp) - TLV_HDR_SIZE); + + if (enable && i < offload->ipv4_count) { + /* Copy the target ip addr and flags */ + arp->flags = WMI_ARPOL_FLAGS_VALID; + memcpy(arp->target_ipaddr, offload->ipv4_addr[i], 4); + ath11k_ce_byte_swap(arp->target_ipaddr, 4); + + ath11k_dbg(ar->ab, ATH11K_DBG_WMI, "arp offload IP4 address: %pI4", + arp->target_ipaddr); + } + buf_ptr += sizeof(*arp); + } + *ptr = buf_ptr; +} + +int ath11k_wmi_arp_ns_offload(struct ath11k *ar, + struct ath11k_vif *arvif, bool enable) +{ + struct ath11k_arp_ns_offload *offload; + struct wmi_set_arp_ns_offload_cmd *cmd; + struct wmi_tlv *tlv; + struct sk_buff *skb; + u8 *buf_ptr; + size_t len; + u8 ns_cnt, ns_ext_tuples = 0; + + offload = &arvif->arp_ns_offload; + ns_cnt = offload->ipv6_count; + + len = sizeof(*cmd) + + sizeof(*tlv) + + WMI_MAX_NS_OFFLOADS * sizeof(struct wmi_ns_offload_tuple) + + sizeof(*tlv) + + WMI_MAX_ARP_OFFLOADS * sizeof(struct wmi_arp_offload_tuple); + + if (ns_cnt > WMI_MAX_NS_OFFLOADS) { + ns_ext_tuples = ns_cnt - WMI_MAX_NS_OFFLOADS; + len += sizeof(*tlv) + + ns_ext_tuples * sizeof(struct wmi_ns_offload_tuple); + } + + skb = ath11k_wmi_alloc_skb(ar->wmi->wmi_ab, len); + if (!skb) + return -ENOMEM; + + buf_ptr = skb->data; + cmd = (struct wmi_set_arp_ns_offload_cmd *)buf_ptr; + cmd->tlv_header = FIELD_PREP(WMI_TLV_TAG, + WMI_TAG_SET_ARP_NS_OFFLOAD_CMD) | + FIELD_PREP(WMI_TLV_LEN, sizeof(*cmd) - TLV_HDR_SIZE); + + cmd->flags = 0; + cmd->vdev_id = arvif->vdev_id; + cmd->num_ns_ext_tuples = ns_ext_tuples; + + buf_ptr += sizeof(*cmd); + + ath11k_wmi_fill_ns_offload(ar, offload, &buf_ptr, enable, 0); + ath11k_wmi_fill_arp_offload(ar, offload, &buf_ptr, enable); + if (ns_ext_tuples) + ath11k_wmi_fill_ns_offload(ar, offload, &buf_ptr, enable, 1); + + return ath11k_wmi_cmd_send(ar->wmi, skb, WMI_SET_ARP_NS_OFFLOAD_CMDID); +} diff --git a/drivers/net/wireless/ath/ath11k/wmi.h b/drivers/net/wireless/ath/ath11k/wmi.h index 3019882..eccb0f02 100644 --- a/drivers/net/wireless/ath/ath11k/wmi.h +++ b/drivers/net/wireless/ath/ath11k/wmi.h @@ -12,6 +12,7 @@ struct ath11k_base; struct ath11k; struct ath11k_fw_stats; +struct ath11k_vif; #define PSOC_HOST_MAX_NUM_SS (8) @@ -5638,6 +5639,49 @@ struct wmi_wow_nlo_config_cmd { */ } __packed; +#define WMI_MAX_NS_OFFLOADS 2 +#define WMI_MAX_ARP_OFFLOADS 2 + +#define WMI_ARPOL_FLAGS_VALID BIT(0) +#define WMI_ARPOL_FLAGS_MAC_VALID BIT(1) +#define WMI_ARPOL_FLAGS_REMOTE_IP_VALID BIT(2) + +struct wmi_arp_offload_tuple { + u32 tlv_header; + u32 flags; + u8 target_ipaddr[4]; + u8 remote_ipaddr[4]; + struct wmi_mac_addr target_mac; +} __packed; + +#define WMI_NSOL_FLAGS_VALID BIT(0) +#define WMI_NSOL_FLAGS_MAC_VALID BIT(1) +#define WMI_NSOL_FLAGS_REMOTE_IP_VALID BIT(2) +#define WMI_NSOL_FLAGS_IS_IPV6_ANYCAST BIT(3) + +#define WMI_NSOL_MAX_TARGET_IPS 2 + +struct wmi_ns_offload_tuple { + u32 tlv_header; + u32 flags; + u8 target_ipaddr[WMI_NSOL_MAX_TARGET_IPS][16]; + u8 solicitation_ipaddr[16]; + u8 remote_ipaddr[16]; + struct wmi_mac_addr target_mac; +} __packed; + +struct wmi_set_arp_ns_offload_cmd { + u32 tlv_header; + u32 flags; + u32 vdev_id; + u32 num_ns_ext_tuples; + /* The TLVs follow: + * wmi_ns_offload_tuple ns_tuples[WMI_MAX_NS_OFFLOADS]; + * wmi_arp_offload_tuple arp_tuples[WMI_MAX_ARP_OFFLOADS]; + * wmi_ns_offload_tuple ns_ext_tuples[num_ns_ext_tuples]; + */ +} __packed; + int ath11k_wmi_cmd_send(struct ath11k_pdev_wmi *wmi, struct sk_buff *skb, u32 cmd_id); struct sk_buff *ath11k_wmi_alloc_skb(struct ath11k_wmi_base *wmi_sc, u32 len); @@ -5800,4 +5844,6 @@ int ath11k_wmi_wow_add_wakeup_event(struct ath11k *ar, u32 vdev_id, u32 enable); int ath11k_wmi_send_hw_data_filter_cmd(struct ath11k *ar, u32 vdev_id, u32 filter_bitmap, bool enable); +int ath11k_wmi_arp_ns_offload(struct ath11k *ar, + struct ath11k_vif *arvif, bool enable); #endif diff --git a/drivers/net/wireless/ath/ath11k/wow.c b/drivers/net/wireless/ath/ath11k/wow.c index f798b5c..a57f2ff 100644 --- a/drivers/net/wireless/ath/ath11k/wow.c +++ b/drivers/net/wireless/ath/ath11k/wow.c @@ -555,6 +555,43 @@ static int ath11k_wow_clear_hw_filter(struct ath11k *ar) 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_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; + } + + return 0; +} + int ath11k_wow_op_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan) { @@ -585,6 +622,14 @@ int ath11k_wow_op_suspend(struct ieee80211_hw *hw, 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; + } + + ath11k_mac_drain_tx(ar); ret = ath11k_mac_wait_tx_complete(ar); if (ret) { ath11k_warn(ar->ab, "failed to wait tx complete: %d\n", ret); @@ -686,6 +731,13 @@ int ath11k_wow_op_resume(struct ieee80211_hw *hw) 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; + } + exit: if (ret) { switch (ar->state) {