From patchwork Fri Sep 6 02:48:57 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wen Gong X-Patchwork-Id: 11134271 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 E2B7114ED for ; Fri, 6 Sep 2019 02:49:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D5943207E0 for ; Fri, 6 Sep 2019 02:49:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="UfVahC0L"; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="UfVahC0L" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2392027AbfIFCtS (ORCPT ); Thu, 5 Sep 2019 22:49:18 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:43044 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2391203AbfIFCtR (ORCPT ); Thu, 5 Sep 2019 22:49:17 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 90BC761156; Fri, 6 Sep 2019 02:49:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1567738156; bh=hlzVBwok/QzMQuoaegaXi8Wvuq3sxGWAqeY0kUwtYLs=; h=From:To:Cc:Subject:Date:From; b=UfVahC0LEp/k2Ys2rE6RqohL74LFRuTKV3Db0vdZwZY8uRtN+YcyMaKYcnm78PisS cN/ZQ0N3LYkEjH0sgXTEF/uQg2W6TixPju6o9nHnxbyxds5LNAa9pbTdq6uGWgvzr3 vZlWACqUgmF17XgzADJslR6ynEsRtKusXAj5gfNk= X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on pdx-caf-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.7 required=2.0 tests=ALL_TRUSTED,BAYES_00, DKIM_INVALID,DKIM_SIGNED,SPF_NONE autolearn=no autolearn_force=no version=3.4.0 Received: from wgong-HP-Z240-SFF-Workstation.qca.qualcomm.com (unknown [180.166.53.21]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: wgong@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 0019D60213; Fri, 6 Sep 2019 02:49:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1567738156; bh=hlzVBwok/QzMQuoaegaXi8Wvuq3sxGWAqeY0kUwtYLs=; h=From:To:Cc:Subject:Date:From; b=UfVahC0LEp/k2Ys2rE6RqohL74LFRuTKV3Db0vdZwZY8uRtN+YcyMaKYcnm78PisS cN/ZQ0N3LYkEjH0sgXTEF/uQg2W6TixPju6o9nHnxbyxds5LNAa9pbTdq6uGWgvzr3 vZlWACqUgmF17XgzADJslR6ynEsRtKusXAj5gfNk= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 0019D60213 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=wgong@codeaurora.org From: Wen Gong To: ath10k@lists.infradead.org, johannes@sipsolutions.net Cc: linux-wireless@vger.kernel.org Subject: [PATCH v3] mac80211: Store max_mtu in ieee80211_hw Date: Fri, 6 Sep 2019 10:48:57 +0800 Message-Id: <1567738137-31748-1-git-send-email-wgong@codeaurora.org> X-Mailer: git-send-email 1.9.1 Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Make it possibly for drivers to adjust the default max_mtu by storing it in the hardware struct. Signed-off-by: Wen Gong --- v2: change to set max_mtu to IEEE80211_MAX_DATA_LEN in alloc_hw v3: change commit log(mat_mtu->max_mtu) include/net/mac80211.h | 3 +++ net/mac80211/iface.c | 2 +- net/mac80211/main.c | 1 + 3 files changed, 5 insertions(+), 1 deletion(-) diff --git a/include/net/mac80211.h b/include/net/mac80211.h index d26da01..8545b03 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -2454,6 +2454,8 @@ enum ieee80211_hw_flags { * * @weight_multiplier: Driver specific airtime weight multiplier used while * refilling deficit of each TXQ. + * + * @max_mtu: the max mtu could be set. */ struct ieee80211_hw { struct ieee80211_conf conf; @@ -2491,6 +2493,7 @@ struct ieee80211_hw { u8 max_nan_de_entries; u8 tx_sk_pacing_shift; u8 weight_multiplier; + u32 max_mtu; }; static inline bool _ieee80211_hw_check(struct ieee80211_hw *hw, diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index 06aac0a..32d87f0 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -1877,7 +1877,7 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name, /* MTU range: 256 - 2304 */ ndev->min_mtu = 256; - ndev->max_mtu = IEEE80211_MAX_DATA_LEN; + ndev->max_mtu = local->hw.max_mtu; ret = register_netdevice(ndev); if (ret) { diff --git a/net/mac80211/main.c b/net/mac80211/main.c index 85e4162..89a6a09 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -638,6 +638,7 @@ struct ieee80211_hw *ieee80211_alloc_hw_nm(size_t priv_data_len, IEEE80211_RADIOTAP_VHT_KNOWN_BANDWIDTH; local->hw.uapsd_queues = IEEE80211_DEFAULT_UAPSD_QUEUES; local->hw.uapsd_max_sp_len = IEEE80211_DEFAULT_MAX_SP_LEN; + local->hw.max_mtu = IEEE80211_MAX_DATA_LEN; local->user_power_level = IEEE80211_UNSET_POWER_LEVEL; wiphy->ht_capa_mod_mask = &mac80211_ht_capa_mod_mask; wiphy->vht_capa_mod_mask = &mac80211_vht_capa_mod_mask;