From patchwork Wed Sep 4 06:15:43 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wen Gong X-Patchwork-Id: 11129385 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 8A7871510 for ; Wed, 4 Sep 2019 06:16:09 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 6749D23402 for ; Wed, 4 Sep 2019 06:16:09 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="Iiu9iWC+"; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="G6wHQlrS"; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="ouTQD6gi" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6749D23402 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=ath10k-bounces+patchwork-ath10k=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To: References:List-Owner; bh=EooZ+g0ckFDP+gYk/X76R4RkjU45peZT//ypAdwwZ70=; b=Iiu 9iWC+leHnt/QzmaNq0LTA+RL14z+Rs8YR6H0BNxd3O9l0BjykLd75QCqJ8mmPc6pokrhNcVrmAm/I 7O4Aya9mIm2fAsoGFKXIPzoRV8VMrLgNanbLaiy5XyhHCnrQi788c3dcy+eSiN1V8kM+LdP3MCX1r 0Q3gfvz17k5B5s7ghVfI00BZ6dcJ5XQdHS1+hSiE588yZT/BRGvGEPn6hQxXZ33gbjMsRhAwHlggK JhgcUVnqa0qpbVnXI91K6POjtlytWT5sXjJDbPJyB07+bJA8LkA5dq5nvVEVirxcRyoy7Tb9Yh9E9 amTEeThdqnh3nUlWtY+LqwjxaSK7qqA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1i5OaM-00013T-Rc; Wed, 04 Sep 2019 06:16:06 +0000 Received: from smtp.codeaurora.org ([198.145.29.96]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1i5OaJ-000131-Ut for ath10k@lists.infradead.org; Wed, 04 Sep 2019 06:16:05 +0000 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id DF48461195; Wed, 4 Sep 2019 06:16:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1567577762; bh=5Xij+zFs54t+TMTsDwybgL6kdYeyg2X6LTssTBMQyz4=; h=From:To:Cc:Subject:Date:From; b=G6wHQlrSCWDTVqGv6DzRBGTctxGBAiSmhjxR2vhynb3vx/eRfAITjuylcOvm/ujiU B/RrLprx8aUwQMJuU0frr5XXsUokIwxBfm5u/HpgvjKvgm8+/3sNCT/pD4+YjRExYD FqWk8HQTPrWSbfDoT0BJaocBWbd2ouU34ilYkzkY= 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 75C9A60E75; Wed, 4 Sep 2019 06:16:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1567577761; bh=5Xij+zFs54t+TMTsDwybgL6kdYeyg2X6LTssTBMQyz4=; h=From:To:Cc:Subject:Date:From; b=ouTQD6gikvu4yUgWWDjjI5SfHl2LQAmO83PbQuVOn3RwBMsi13vOCyJAnfpnkeuAD vqwZ+5zdKmkjE/m/hzAjNJZkCROPSsZHyTm6UQr+UwGO1iRE3bEO+fpfk+yoDJOSsH FGwgWyRUtTvYWP/6iWYutJ99lMqhB7TykJ0rsxu8= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 75C9A60E75 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 Subject: [PATCH] mac80211: Store max_mtu in ieee80211_hw Date: Wed, 4 Sep 2019 14:15:43 +0800 Message-Id: <1567577743-27684-1-git-send-email-wgong@codeaurora.org> X-Mailer: git-send-email 1.9.1 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190903_231604_020126_F1DA2D35 X-CRM114-Status: UNSURE ( 9.93 ) X-CRM114-Notice: Please train this message. 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 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 -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 X-BeenThere: ath10k@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-wireless@vger.kernel.org MIME-Version: 1.0 Sender: "ath10k" Errors-To: ath10k-bounces+patchwork-ath10k=patchwork.kernel.org@lists.infradead.org Make it possibly for drivers to adjust the default mat_mtu by storing it in the hardware struct. Signed-off-by: Wen Gong --- include/net/mac80211.h | 3 +++ net/mac80211/iface.c | 5 ++++- 2 files changed, 7 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..00c33e6 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -1877,7 +1877,10 @@ 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; + if (local->hw.max_mtu) + ndev->max_mtu = local->hw.max_mtu; + else + ndev->max_mtu = IEEE80211_MAX_DATA_LEN; ret = register_netdevice(ndev); if (ret) {