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Sun, 20 Oct 2019 10:05:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1571565945; bh=rpA34j+kT2pTKIPYfqOextdjLtmqLX/isbLDQiYh9Xc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=gNOtI68ycsxgAYX8aYOuI5vbRX8BxKfUG/S+JrECeqDbkaCQFmcX8fTk2LY+yaNgk +l5TSW7k+ioNSB+CjefTcNDg4ZLUfxU2DmZOEHI4pOen5CYJ/Bb5TW6mNw4UiJkTrE p2b6UCFIfP5q9HlYhBrZvQy5zGKi1mv0JaaUspw4= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 7EF0B61630 Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=kvalo@codeaurora.org From: Kalle Valo To: linux-wireless@vger.kernel.org Subject: [PATCH v2 40/49] ath11k: add testmode.c Date: Sun, 20 Oct 2019 13:03:58 +0300 Message-Id: <1571565847-10338-41-git-send-email-kvalo@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1571565847-10338-1-git-send-email-kvalo@codeaurora.org> References: <1571565847-10338-1-git-send-email-kvalo@codeaurora.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191020_030557_055983_68A95472 X-CRM114-Status: GOOD ( 11.70 ) X-Spam-Score: -2.5 (--) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-2.5 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [198.145.29.96 listed in list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain X-BeenThere: ath11k@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, ath11k@lists.infradead.org MIME-Version: 1.0 Sender: "ath11k" Errors-To: ath11k-bounces+patchwork-ath11k=patchwork.kernel.org@lists.infradead.org (patches split for easier review, see the cover letter for more) Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath11k/testmode.c | 199 +++++++++++++++++++++++++++++ 1 file changed, 199 insertions(+) diff --git a/drivers/net/wireless/ath/ath11k/testmode.c b/drivers/net/wireless/ath/ath11k/testmode.c new file mode 100644 index 000000000000..932bee6d1740 --- /dev/null +++ b/drivers/net/wireless/ath/ath11k/testmode.c @@ -0,0 +1,199 @@ +// SPDX-License-Identifier: BSD-3-Clause-Clear +/* + * Copyright (c) 2018-2019 The Linux Foundation. All rights reserved. + */ + +#include "testmode.h" +#include +#include "debug.h" +#include "wmi.h" +#include "hw.h" +#include "core.h" +#include "testmode_i.h" + +static const struct nla_policy ath11k_tm_policy[ATH11K_TM_ATTR_MAX + 1] = { + [ATH11K_TM_ATTR_CMD] = { .type = NLA_U32 }, + [ATH11K_TM_ATTR_DATA] = { .type = NLA_BINARY, + .len = ATH11K_TM_DATA_MAX_LEN }, + [ATH11K_TM_ATTR_WMI_CMDID] = { .type = NLA_U32 }, + [ATH11K_TM_ATTR_VERSION_MAJOR] = { .type = NLA_U32 }, + [ATH11K_TM_ATTR_VERSION_MINOR] = { .type = NLA_U32 }, +}; + +/* Returns true if callee consumes the skb and the skb should be discarded. + * Returns false if skb is not used. Does not sleep. + */ +bool ath11k_tm_event_wmi(struct ath11k *ar, u32 cmd_id, struct sk_buff *skb) +{ + struct sk_buff *nl_skb; + bool consumed; + int ret; + + ath11k_dbg(ar->ab, ATH11K_DBG_TESTMODE, + "testmode event wmi cmd_id %d skb %pK skb->len %d\n", + cmd_id, skb, skb->len); + + ath11k_dbg_dump(ar->ab, ATH11K_DBG_TESTMODE, NULL, "", skb->data, skb->len); + + spin_lock_bh(&ar->data_lock); + + consumed = true; + + nl_skb = cfg80211_testmode_alloc_event_skb(ar->hw->wiphy, + 2 * sizeof(u32) + skb->len, + GFP_ATOMIC); + if (!nl_skb) { + ath11k_warn(ar->ab, + "failed to allocate skb for testmode wmi event\n"); + goto out; + } + + ret = nla_put_u32(nl_skb, ATH11K_TM_ATTR_CMD, ATH11K_TM_CMD_WMI); + if (ret) { + ath11k_warn(ar->ab, + "failed to to put testmode wmi event cmd attribute: %d\n", + ret); + kfree_skb(nl_skb); + goto out; + } + + ret = nla_put_u32(nl_skb, ATH11K_TM_ATTR_WMI_CMDID, cmd_id); + if (ret) { + ath11k_warn(ar->ab, + "failed to to put testmode wmi even cmd_id: %d\n", + ret); + kfree_skb(nl_skb); + goto out; + } + + ret = nla_put(nl_skb, ATH11K_TM_ATTR_DATA, skb->len, skb->data); + if (ret) { + ath11k_warn(ar->ab, + "failed to copy skb to testmode wmi event: %d\n", + ret); + kfree_skb(nl_skb); + goto out; + } + + cfg80211_testmode_event(nl_skb, GFP_ATOMIC); + +out: + spin_unlock_bh(&ar->data_lock); + + return consumed; +} + +static int ath11k_tm_cmd_get_version(struct ath11k *ar, struct nlattr *tb[]) +{ + struct sk_buff *skb; + int ret; + + ath11k_dbg(ar->ab, ATH11K_DBG_TESTMODE, + "testmode cmd get version_major %d version_minor %d\n", + ATH11K_TESTMODE_VERSION_MAJOR, + ATH11K_TESTMODE_VERSION_MINOR); + + skb = cfg80211_testmode_alloc_reply_skb(ar->hw->wiphy, + nla_total_size(sizeof(u32))); + if (!skb) + return -ENOMEM; + + ret = nla_put_u32(skb, ATH11K_TM_ATTR_VERSION_MAJOR, + ATH11K_TESTMODE_VERSION_MAJOR); + if (ret) { + kfree_skb(skb); + return ret; + } + + ret = nla_put_u32(skb, ATH11K_TM_ATTR_VERSION_MINOR, + ATH11K_TESTMODE_VERSION_MINOR); + if (ret) { + kfree_skb(skb); + return ret; + } + + return cfg80211_testmode_reply(skb); +} + +static int ath11k_tm_cmd_wmi(struct ath11k *ar, struct nlattr *tb[]) +{ + struct ath11k_pdev_wmi *wmi = ar->wmi; + struct sk_buff *skb; + u32 cmd_id, buf_len; + int ret; + void *buf; + + mutex_lock(&ar->conf_mutex); + + if (ar->state != ATH11K_STATE_ON) { + ret = -ENETDOWN; + goto out; + } + + if (!tb[ATH11K_TM_ATTR_DATA]) { + ret = -EINVAL; + goto out; + } + + if (!tb[ATH11K_TM_ATTR_WMI_CMDID]) { + ret = -EINVAL; + goto out; + } + + buf = nla_data(tb[ATH11K_TM_ATTR_DATA]); + buf_len = nla_len(tb[ATH11K_TM_ATTR_DATA]); + cmd_id = nla_get_u32(tb[ATH11K_TM_ATTR_WMI_CMDID]); + + ath11k_dbg(ar->ab, ATH11K_DBG_TESTMODE, + "testmode cmd wmi cmd_id %d buf %pK buf_len %d\n", + cmd_id, buf, buf_len); + + ath11k_dbg_dump(ar->ab, ATH11K_DBG_TESTMODE, NULL, "", buf, buf_len); + + skb = ath11k_wmi_alloc_skb(wmi->wmi_sc, buf_len); + if (!skb) { + ret = -ENOMEM; + goto out; + } + + memcpy(skb->data, buf, buf_len); + + ret = ath11k_wmi_cmd_send(wmi, skb, cmd_id); + if (ret) { + dev_kfree_skb(skb); + ath11k_warn(ar->ab, "failed to transmit wmi command (testmode): %d\n", + ret); + goto out; + } + + ret = 0; + +out: + mutex_unlock(&ar->conf_mutex); + return ret; +} + +int ath11k_tm_cmd(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + void *data, int len) +{ + struct ath11k *ar = hw->priv; + struct nlattr *tb[ATH11K_TM_ATTR_MAX + 1]; + int ret; + + ret = nla_parse(tb, ATH11K_TM_ATTR_MAX, data, len, ath11k_tm_policy, + NULL); + if (ret) + return ret; + + if (!tb[ATH11K_TM_ATTR_CMD]) + return -EINVAL; + + switch (nla_get_u32(tb[ATH11K_TM_ATTR_CMD])) { + case ATH11K_TM_CMD_GET_VERSION: + return ath11k_tm_cmd_get_version(ar, tb); + case ATH11K_TM_CMD_WMI: + return ath11k_tm_cmd_wmi(ar, tb); + default: + return -EOPNOTSUPP; + } +}