From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Tue, 12 Apr 2022 10:02:28 +0200 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1neBTp-00Gxu7-Sn for lore@lore.pengutronix.de; Tue, 12 Apr 2022 10:02:28 +0200 Received: from bombadil.infradead.org ([2607:7c80:54:e::133]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1neBTn-00047D-2r for lore@pengutronix.de; Tue, 12 Apr 2022 10:02:27 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:From:In-Reply-To:MIME-Version: References:Message-ID:Subject:Cc:To:Date:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=ueB6KxH/B5z3N7fM/VN+7NXH3I+A3TzIysImH3aoxyk=; b=TiXAME+dlulcNq/dd22vjmwtvZ X23ABydSNYKqDmmAz4CvtwPtzpRaO8xx2+jR6+W6DgLHhrTV2dKrSmLkZdHtkMJuekgAkna3tn5Mm 5zbRxhBZgf05Y914rEDCANK2pOih0RXjg7Ybbr6F4+z0Y7SKmGuOgTfZgjMk6O1Z/T0Yloru/2A9i +x2opqxyXvJjRXqSgBHY3fdAn1ZWLIPjBfSHWV6DZAY5RNeXNYIuyf6lkYIbDG+BkCoiRFwW6nNx5 9EV9J0NmiWBsN+RuFEC6dffvKcLB9EKrPSnUoIP8kI0eRyPtDU/Ckb+RodzY54hPm45WEzneEvwEn 0RavvjMg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1neBSJ-00CPft-JG; Tue, 12 Apr 2022 08:00:55 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1neBPy-00COEH-Mp for barebox@lists.infradead.org; Tue, 12 Apr 2022 07:58:32 +0000 Received: from ptx.hi.pengutronix.de ([2001:67c:670:100:1d::c0]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1neBPv-0003BH-Ay; Tue, 12 Apr 2022 09:58:27 +0200 Received: from sha by ptx.hi.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1neBPv-0007cn-1v; Tue, 12 Apr 2022 09:58:27 +0200 Date: Tue, 12 Apr 2022 09:58:27 +0200 To: Oleksij Rempel Cc: barebox@lists.infradead.org Message-ID: <20220412075827.GV4012@pengutronix.de> References: <20220408082950.824927-1-o.rempel@pengutronix.de> <20220408082950.824927-2-o.rempel@pengutronix.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20220408082950.824927-2-o.rempel@pengutronix.de> X-Sent-From: Pengutronix Hildesheim X-URL: http://www.pengutronix.de/ X-IRC: #ptxdist @freenode X-Accept-Language: de,en X-Accept-Content-Type: text/plain X-Uptime: 09:55:59 up 12 days, 20:25, 66 users, load average: 0.04, 0.09, 0.10 User-Agent: Mutt/1.10.1 (2018-07-13) From: Sascha Hauer X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220412_005830_804907_B63E4C7B X-CRM114-Status: GOOD ( 23.49 ) X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:e::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.ext.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-4.7 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE, T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: Re: [PATCH v4 01/13] net: add RX preprocessor support X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.ext.pengutronix.de) On Fri, Apr 08, 2022 at 10:29:38AM +0200, Oleksij Rempel wrote: > Add callback for optional rx_preprocessor. This is needed to add DSA > switch support and demultiplex traffic received from different switch ports. > > Signed-off-by: Oleksij Rempel > --- > include/net.h | 3 +++ > net/net.c | 6 ++++++ > 2 files changed, 9 insertions(+) > > diff --git a/include/net.h b/include/net.h > index aad28e4f4c..ca9b6cd61e 100644 > --- a/include/net.h > +++ b/include/net.h > @@ -44,9 +44,12 @@ struct eth_device { > void (*halt) (struct eth_device*); > int (*get_ethaddr) (struct eth_device*, u8 adr[6]); > int (*set_ethaddr) (struct eth_device*, const unsigned char *adr); > + int (*rx_preprocessor) (struct eth_device*, unsigned char **packet, > + int *length); > > struct eth_device *next; > void *priv; > + void *rx_preprocessor_priv; > > /* phy device may attach itself for hardware timestamping */ > struct phy_device *phydev; > diff --git a/net/net.c b/net/net.c > index fdb9ab826c..dd2ceb396d 100644 > --- a/net/net.c > +++ b/net/net.c > @@ -708,6 +708,12 @@ int net_receive(struct eth_device *edev, unsigned char *pkt, int len) > goto out; > } > > + if (edev->rx_preprocessor) { > + ret = edev->rx_preprocessor(edev, &pkt, &len); > + if (ret == -ENOMSG) > + return 0; ret == -ENOMSG means the packet has been handled by the preprocessor (and forwarded to the DSA virtual network devices). What about the other errors that rx_preprocessor can return? Shouldn't we ignore the packet on other errors? Sascha -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox