From patchwork Thu Jan 20 00:51:22 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Miquel Raynal X-Patchwork-Id: 534477 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 358B0C4167B for ; Thu, 20 Jan 2022 00:51:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1358011AbiATAvv (ORCPT ); Wed, 19 Jan 2022 19:51:51 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45652 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1358001AbiATAvt (ORCPT ); Wed, 19 Jan 2022 19:51:49 -0500 Received: from relay11.mail.gandi.net (relay11.mail.gandi.net [IPv6:2001:4b98:dc4:8::231]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0EF64C06161C; Wed, 19 Jan 2022 16:51:47 -0800 (PST) Received: (Authenticated sender: miquel.raynal@bootlin.com) by mail.gandi.net (Postfix) with ESMTPSA id D3FE4100004; Thu, 20 Jan 2022 00:51:44 +0000 (UTC) From: Miquel Raynal To: Alexander Aring , Stefan Schmidt , linux-wpan@vger.kernel.org Cc: "David S. Miller" , Jakub Kicinski , netdev@vger.kernel.org, linux-wireless@vger.kernel.org, David Girault , Romuald Despres , Frederic Blain , Nicolas Schodet , Thomas Petazzoni , Miquel Raynal Subject: [wpan-next 14/14] net: mac802154: Introduce a synchronous API for MLME commands Date: Thu, 20 Jan 2022 01:51:22 +0100 Message-Id: <20220120005122.309104-15-miquel.raynal@bootlin.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20220120005122.309104-1-miquel.raynal@bootlin.com> References: <20220120005122.309104-1-miquel.raynal@bootlin.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org This is the slow path, we need to wait for each command to be processed before continuing so let's introduce an helper which does the transmission and blocks until it gets notified of its asynchronous completion. This helper is going to be used when introducing scan support. Signed-off-by: Miquel Raynal --- net/mac802154/ieee802154_i.h | 1 + net/mac802154/tx.c | 6 ++++++ 2 files changed, 7 insertions(+) diff --git a/net/mac802154/ieee802154_i.h b/net/mac802154/ieee802154_i.h index d9433e07906e..bdec3b9229e4 100644 --- a/net/mac802154/ieee802154_i.h +++ b/net/mac802154/ieee802154_i.h @@ -123,6 +123,7 @@ extern struct ieee802154_mlme_ops mac802154_mlme_wpan; void ieee802154_rx(struct ieee802154_local *local, struct sk_buff *skb); void ieee802154_xmit_sync_worker(struct work_struct *work); void ieee802154_sync_and_stop_tx(struct ieee802154_local *local); +void ieee802154_mlme_tx(struct ieee802154_local *local, struct sk_buff *skb); netdev_tx_t ieee802154_monitor_start_xmit(struct sk_buff *skb, struct net_device *dev); netdev_tx_t diff --git a/net/mac802154/tx.c b/net/mac802154/tx.c index 06ae2e6cea43..7c281458942e 100644 --- a/net/mac802154/tx.c +++ b/net/mac802154/tx.c @@ -126,6 +126,12 @@ void ieee802154_sync_and_stop_tx(struct ieee802154_local *local) atomic_dec(&local->phy->hold_txs); } +void ieee802154_mlme_tx(struct ieee802154_local *local, struct sk_buff *skb) +{ + ieee802154_tx(local, skb); + ieee802154_sync_and_stop_tx(local); +} + netdev_tx_t ieee802154_monitor_start_xmit(struct sk_buff *skb, struct net_device *dev) {