From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DC2ACC4338F for ; Tue, 3 Aug 2021 13:26:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B9C2160F11 for ; Tue, 3 Aug 2021 13:26:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236344AbhHCN0b (ORCPT ); Tue, 3 Aug 2021 09:26:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42682 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236327AbhHCN03 (ORCPT ); Tue, 3 Aug 2021 09:26:29 -0400 Received: from mail-wr1-x431.google.com (mail-wr1-x431.google.com [IPv6:2a00:1450:4864:20::431]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 96034C061757 for ; Tue, 3 Aug 2021 06:26:17 -0700 (PDT) Received: by mail-wr1-x431.google.com with SMTP id c16so25296229wrp.13 for ; Tue, 03 Aug 2021 06:26:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id; bh=oPYDKoFd/DrU+SRry2jNJAdrvXJpib3esGX1KwnoZhk=; b=Fi5rUFnaDR5/wE1qR5mpBYvzNVfVNUs/8rNb4I7L6MfmPvOwvU/45rw3nIV+FytjIC HXINxl37f6uBL75nqtPsZrtwcNbkvBkhYO9gF3GQmY6TxXMkGkcS4npsay7V6UZvTrZ0 DfvmLWvFADtoKfAKPDyI1Txf/A5L/Lnx1HmN+jmYWEOPdDexmiOUGDCec5DlkJTAf3X3 1BSud/QbgFluwfAbtPb3lfuVhLwHVFjSaG4b+M42BPhCQ8MFWG7UzPfBiGRwIQ1YmkLY rhyyfAcD4rb10s8hBc9RTXZQiVtE+E/AXLrnDZtcU9gd5TQtG7YKq2qvSK/fSEsudOk0 1qqw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=oPYDKoFd/DrU+SRry2jNJAdrvXJpib3esGX1KwnoZhk=; b=sQ7LtBsekH23/G9B5wpTFFe/Lok3EcQo8lJczIKOJsi4S3TL6t2J4a9HCw6PIe61GG V0YWYIZlkUT8ITlwBzgior6bsvQtFS99XHVywgxk1BLpmXHnSADlGVveQE2eH1yhA2Nd tJP/8CnqEDOlcTjr8gC/ZMAgFBLVlsII1LHK6f6Y1bgSY32W95QLBVd+ES0YX6Ab/zsK fI3BB7ZGkIDRoKTRXdorrwRa14boVoac4UqYlvTOLfT0wAwaA3L4N5Mn2BuvrW2r0G8X 2wV7BFzThEXZYyKBWs32hftQKvI7BqPD93dH2gsWxYsnKXNC1jXU3fOpq+KdrBnyOlor X7xg== X-Gm-Message-State: AOAM532nY6Uwz54lQpNR0Rfrlq4poi4x26Rg2G9B66jTzBW8zN5eBY7x +MQcAORugLKrWMYutgbitGHCUw== X-Google-Smtp-Source: ABdhPJyHS7NJrSv8fO7uM3j4W4783wup8IeHgSC1F6u3QNpHdDak5prFLsoO8lLfjIc7n61N1Umm5w== X-Received: by 2002:a5d:55cb:: with SMTP id i11mr22980386wrw.158.1627997176142; Tue, 03 Aug 2021 06:26:16 -0700 (PDT) Received: from localhost.localdomain ([2a01:e0a:82c:5f0:69b5:b274:5cfc:ef2]) by smtp.gmail.com with ESMTPSA id k17sm3162065wmj.0.2021.08.03.06.26.14 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 03 Aug 2021 06:26:15 -0700 (PDT) From: Loic Poulain To: davem@davemloft.net, kuba@kernel.org Cc: ryazanov.s.a@gmail.com, johannes@sipsolutions.net, richard.laing@alliedtelesis.co.nz, netdev@vger.kernel.org, Loic Poulain Subject: [PATCH net-next v2 0/2] net: mhi: move MBIM to WWAN Date: Tue, 3 Aug 2021 15:36:27 +0200 Message-Id: <1627997789-7323-1-git-send-email-loic.poulain@linaro.org> X-Mailer: git-send-email 2.7.4 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Implement a proper WWAN driver for MBIM network protocol, with multi link management supported through the WWAN framework (wwan rtnetlink). Until now, MBIM over MHI was supported directly in the mhi_net driver, via some protocol rx/tx fixup callbacks, but with only one session supported (no multilink muxing). We can then remove that part from mhi_net and restore the driver to a simpler version for 'raw' ip transfer (or QMAP via rmnet link). Note that a wwan0 link is created by default for session-id 0. Additional links can be managed via ip tool: $ ip link add dev wwan0mms parentdev wwan0 type wwan linkid 1 Changes in v2: - Fix warnings reported with `make W=1 C=1` - Add missing rcu_read lock/unlock for mbim links access Loic Poulain (2): net: wwan: Add MHI MBIM network driver net: mhi: Remove MBIM protocol drivers/net/Kconfig | 4 +- drivers/net/Makefile | 2 +- drivers/net/mhi/Makefile | 3 - drivers/net/mhi/mhi.h | 41 --- drivers/net/mhi/net.c | 487 ----------------------------- drivers/net/mhi/proto_mbim.c | 310 ------------------- drivers/net/mhi_net.c | 418 +++++++++++++++++++++++++ drivers/net/wwan/Kconfig | 12 + drivers/net/wwan/Makefile | 1 + drivers/net/wwan/mhi_wwan_mbim.c | 648 +++++++++++++++++++++++++++++++++++++++ 10 files changed, 1082 insertions(+), 844 deletions(-) delete mode 100644 drivers/net/mhi/Makefile delete mode 100644 drivers/net/mhi/mhi.h delete mode 100644 drivers/net/mhi/net.c delete mode 100644 drivers/net/mhi/proto_mbim.c create mode 100644 drivers/net/mhi_net.c create mode 100644 drivers/net/wwan/mhi_wwan_mbim.c -- 2.7.4