From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Thu, 02 Apr 2026 08:37:26 +0200 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1w8BgE-007kqr-03 for lore@lore.pengutronix.de; Thu, 02 Apr 2026 08:37:26 +0200 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1w8BgD-0007qF-Ej for lore@pengutronix.de; Thu, 02 Apr 2026 08:37:25 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:To:In-Reply-To: References:Message-Id:Content-Transfer-Encoding:Content-Type:MIME-Version: Subject:Date:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=EknLbxeJH5DgmU1XUNzrJL76w+41I+rDfZi5ffTrprI=; b=PusEbcE7bW+3Ml0W3Qd5duw3Fn P0nGxXpH7SwzWwqKqRHCqZeTUJuSI5kyeRc8a3kOnSZB4iicykOwzz3SlXo6bFunPIJYllDyE4KVZ hwDI2WvUA5qoLLIa50tyMv+vxdwwb9/tleZEd/VTsPyrpKHUBKOyE3T5iKgO+voL40KCTzSQKN0Fp no4XaxCIdUmzk7PPBY7ce6xhIVOgsPNLa1+gmgXS9h0UHU95KGJQXwfhwH87juTuPU1mTZjx6xPLG HWmEsZAHkYaVPW3YcDk5YGQldAl/KIWcvw78d6QV3q8Uej+08jbKkZNjqopfXeR2bHND8lulp4JZb ZqueQKWw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1w8Bfe-0000000Gu46-1Wdf; Thu, 02 Apr 2026 06:36:50 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1w8BfZ-0000000Gu0H-1c2u for barebox@lists.infradead.org; Thu, 02 Apr 2026 06:36:48 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1w8BfX-0007Og-Ab; Thu, 02 Apr 2026 08:36:43 +0200 Received: from dude02.red.stw.pengutronix.de ([2a0a:edc0:0:1101:1d::28]) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1w8BfW-003KcG-2i; Thu, 02 Apr 2026 08:36:42 +0200 Received: from [::1] (helo=dude02.red.stw.pengutronix.de) by dude02.red.stw.pengutronix.de with esmtp (Exim 4.98.2) (envelope-from ) id 1w8BfW-00000003MbV-2zUb; Thu, 02 Apr 2026 08:36:42 +0200 From: Sascha Hauer Date: Thu, 02 Apr 2026 08:36:48 +0200 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260402-net-eth-do-udp-v1-9-af5d9fd6beec@pengutronix.de> References: <20260402-net-eth-do-udp-v1-0-af5d9fd6beec@pengutronix.de> In-Reply-To: <20260402-net-eth-do-udp-v1-0-af5d9fd6beec@pengutronix.de> To: BAREBOX X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1775111802; l=990; i=s.hauer@pengutronix.de; s=20230412; h=from:subject:message-id; bh=jaktqxdquMn8aB14XZGuIhSt8XXVQy9lGff40Q94CSg=; b=byVxO1Ky/wVl2II1Z/BgrIBt67Y//f2nMQweBXezg6KP0qA/eo4+fzxruKcuFdqm+YqAHCcP+ 1chGNCF27uGDK1XB9MTSLgsXGqtamPDtwp+z8eI1scxklzMd6LO2WGd X-Developer-Key: i=s.hauer@pengutronix.de; a=ed25519; pk=4kuc9ocmECiBJKWxYgqyhtZOHj5AWi7+d0n/UjhkwTg= X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260401_233645_464618_B18C2A2B X-CRM114-Status: GOOD ( 10.21 ) 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: , Cc: "Claude Opus 4.6" Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::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.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-5.2 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 autolearn=ham autolearn_force=no version=3.4.2 Subject: [PATCH 09/10] net: fastboot: stop using net_eth_to_udp_payload() for PACKET_SIZE X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) The PACKET_SIZE macro used net_eth_to_udp_payload(0) as a trick to compute the combined ethernet + IP + UDP header size at compile time. Replace this with an explicit constant, removing the last user of the old helpers outside of the header itself. Signed-off-by: Sascha Hauer Co-Authored-By: Claude Opus 4.6 --- net/fastboot.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/net/fastboot.c b/net/fastboot.c index 506af00cb8..b1cb8c8bf6 100644 --- a/net/fastboot.c +++ b/net/fastboot.c @@ -23,8 +23,8 @@ #define FASTBOOT_PORT 5554 #define MAX_MTU 1500 -#define PACKET_SIZE (min(PKTSIZE, MAX_MTU + ETHER_HDR_SIZE) \ - - (net_eth_to_udp_payload(0) - (char *)0)) +#define NET_UDP_HDR_SIZE (ETHER_HDR_SIZE + sizeof(struct iphdr) + sizeof(struct udphdr)) +#define PACKET_SIZE (min(PKTSIZE, MAX_MTU + ETHER_HDR_SIZE) - NET_UDP_HDR_SIZE) enum { FASTBOOT_ERROR = 0, -- 2.47.3