From patchwork Thu May 21 09:38:26 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Malcolm Priestley X-Patchwork-Id: 11562557 X-Patchwork-Delegate: johannes@sipsolutions.net Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 56E28912 for ; Thu, 21 May 2020 09:38:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 39AD42072C for ; Thu, 21 May 2020 09:38:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="kFN0jhhJ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728861AbgEUJia (ORCPT ); Thu, 21 May 2020 05:38:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37788 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728719AbgEUJia (ORCPT ); Thu, 21 May 2020 05:38:30 -0400 Received: from mail-wr1-x443.google.com (mail-wr1-x443.google.com [IPv6:2a00:1450:4864:20::443]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E519CC061A0E for ; Thu, 21 May 2020 02:38:29 -0700 (PDT) Received: by mail-wr1-x443.google.com with SMTP id l17so6013191wrr.4 for ; Thu, 21 May 2020 02:38:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:subject:to:cc:message-id:date:user-agent:mime-version :content-language:content-transfer-encoding; bh=OgyKLtsl9tNNZ+v+VLvWxQraa+qu3UB9bjlUpwB1inI=; b=kFN0jhhJnSIpf27pQnJxKA3G7ECLmLhcTQoiAu2pGIBpKqn8lQNBFvWEjdxEJuAL9E T+RNjyehSBZk51qqRYYRCJXMQMJcwOHr0/PmONibbePBVo5FjGyrYQcC0evwTZTQRP0m JB1I8RM9HLyTTbjzSW+sOXzAClB/dR0V0nR9WmNfata8nP2cNyw5ZxOwa6XTqIKCWMvT DE0zbikggO7Ja0K2OewPVAEgLJsjhR70R6f+gP/Gyv1MtC7qs2xdKwtlnOdjnqIQq4Z8 rPvGT16/TvlL7mtHK40K9/EnvmqMG6HTvVuY79p/rv/kjMXN2HuVWBMBv5W5ZgnWMET5 z1nw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:subject:to:cc:message-id:date:user-agent :mime-version:content-language:content-transfer-encoding; bh=OgyKLtsl9tNNZ+v+VLvWxQraa+qu3UB9bjlUpwB1inI=; b=ID9K3rzw6ctscWc7iM5h/j0FU6fdooZ/qKw6edTFsdi1RTniqGEBPTPhHWSw1VC3ZT yXkHdPynvEaf4DxY1qM2IheaL1UUyNW8lyBn20sEOfF7ZxCnKPOnYklpW5QpShW87yq/ lG8B1UmyIbju1YE+zCysxT3IH2PzC5nnBTVNmD9UER8UUDRi9bWawowilVEkIfFepr+e CGv7R2RR9+bsw6Q2qC06jqTCTPkdg6xAinFPjLL148FrVuJnut9I18+WYbPNiFOw4P9r z/FNVv3Zg9LRB5VTU5M4KStrhAU16Gd49QwEFsCJr12JrDnQ3NTBn/MuCGhw5uPW50sG cTjQ== X-Gm-Message-State: AOAM533TNKj8+DvLVCMsgpRs4iC5JzenetFtizq8d8uNzioJJ7zA68/F Um5kXQvnS/3lT3JAnlCEmgUdOYOTSfWtbg== X-Google-Smtp-Source: ABdhPJyQ2cs17INGlJLY+RvMyXNB1VzYC+aF4aMyXhxT1NEgIo3yqdwW4TIiKjW5rR8eXjYXBmKk6A== X-Received: by 2002:a5d:4041:: with SMTP id w1mr7746562wrp.245.1590053908476; Thu, 21 May 2020 02:38:28 -0700 (PDT) Received: from [192.168.43.18] ([85.255.237.70]) by smtp.gmail.com with ESMTPSA id e22sm5553779wrc.41.2020.05.21.02.38.27 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 21 May 2020 02:38:28 -0700 (PDT) From: Malcolm Priestley Subject: [PATCH 03/10] staging: vt6656: Move vnt_mic_hdr pointers to vnt_fill_txkey To: Greg Kroah-Hartman Cc: "devel@driverdev.osuosl.org" , linux-wireless@vger.kernel.org Message-ID: <6420a6ae-82eb-f794-fa7c-bac419222ad6@gmail.com> Date: Thu, 21 May 2020 10:38:26 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.8.0 MIME-Version: 1.0 Content-Language: en-US Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org mic_hdr has three possible locations ieee80211_tx_info can controls these with control.use_cts_prot for rts or cts exchange or otherwise the rts/data position. Removing double pointer. Signed-off-by: Malcolm Priestley --- drivers/staging/vt6656/rxtx.c | 37 ++++++++++++++--------------------- 1 file changed, 15 insertions(+), 22 deletions(-) diff --git a/drivers/staging/vt6656/rxtx.c b/drivers/staging/vt6656/rxtx.c index 24acc2de0fb9..87fe7df07f03 100644 --- a/drivers/staging/vt6656/rxtx.c +++ b/drivers/staging/vt6656/rxtx.c @@ -356,40 +356,30 @@ static void vnt_rxtx_ab(struct vnt_usb_send_context *tx_context, static void vnt_generate_tx_parameter(struct vnt_usb_send_context *tx_context, struct vnt_tx_buffer *tx_buffer, - struct vnt_mic_hdr **mic_hdr, u32 need_mic, bool need_rts) { if (tx_context->pkt_type == PK_TYPE_11GB || tx_context->pkt_type == PK_TYPE_11GA) { if (need_rts) { - if (need_mic) - *mic_hdr = - &tx_buffer->tx_head.tx_rts.tx.mic.hdr; - vnt_rxtx_rts(tx_context, &tx_buffer->tx_head, need_mic); return; } - if (need_mic) - *mic_hdr = &tx_buffer->tx_head.tx_cts.tx.mic.hdr; - vnt_rxtx_cts(tx_context, &tx_buffer->tx_head, need_mic); return; } - if (need_mic) - *mic_hdr = &tx_buffer->tx_head.tx_ab.tx.mic.hdr; - vnt_rxtx_ab(tx_context, &tx_buffer->tx_head, need_rts, need_mic); } -static void vnt_fill_txkey(struct vnt_usb_send_context *tx_context, +static void vnt_fill_txkey(struct vnt_tx_buffer *tx_buffer, u8 *key_buffer, struct ieee80211_key_conf *tx_key, - struct sk_buff *skb, u16 payload_len, - struct vnt_mic_hdr *mic_hdr) + struct sk_buff *skb, u16 payload_len) { + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + struct vnt_mic_hdr *mic_hdr; struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; u64 pn64; u8 *iv = ((u8 *)hdr + ieee80211_get_hdrlen_from_skb(skb)); @@ -416,9 +406,14 @@ static void vnt_fill_txkey(struct vnt_usb_send_context *tx_context, break; case WLAN_CIPHER_SUITE_CCMP: - - if (!mic_hdr) - return; + if (info->control.use_cts_prot) { + if (info->control.use_rts) + mic_hdr = &tx_buffer->tx_head.tx_rts.tx.mic.hdr; + else + mic_hdr = &tx_buffer->tx_head.tx_cts.tx.mic.hdr; + } else { + mic_hdr = &tx_buffer->tx_head.tx_ab.tx.mic.hdr; + } mic_hdr->id = 0x59; mic_hdr->payload_len = cpu_to_be16(payload_len); @@ -497,7 +492,6 @@ int vnt_tx_packet(struct vnt_private *priv, struct sk_buff *skb) struct ieee80211_rate *rate; struct ieee80211_key_conf *tx_key; struct ieee80211_hdr *hdr; - struct vnt_mic_hdr *mic_hdr = NULL; struct vnt_tx_buffer *tx_buffer; struct vnt_tx_fifo_head *tx_buffer_head; struct vnt_usb_send_context *tx_context; @@ -624,16 +618,15 @@ int vnt_tx_packet(struct vnt_private *priv, struct sk_buff *skb) tx_buffer_head->current_rate = cpu_to_le16(rate->hw_value); - vnt_generate_tx_parameter(tx_context, tx_buffer, &mic_hdr, - need_mic, need_rts); + vnt_generate_tx_parameter(tx_context, tx_buffer, need_mic, need_rts); tx_buffer_head->frag_ctl |= cpu_to_le16(FRAGCTL_NONFRAG); if (info->control.hw_key) { tx_key = info->control.hw_key; if (tx_key->keylen > 0) - vnt_fill_txkey(tx_context, tx_buffer_head->tx_key, - tx_key, skb, tx_body_size, mic_hdr); + vnt_fill_txkey(tx_buffer, tx_buffer_head->tx_key, + tx_key, skb, tx_body_size); } priv->seq_counter = (le16_to_cpu(hdr->seq_ctrl) &