From patchwork Mon Sep 30 16:29:34 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sean Anderson X-Patchwork-Id: 13816684 X-Patchwork-Delegate: kuba@kernel.org Received: from out-183.mta0.migadu.com (out-183.mta0.migadu.com [91.218.175.183]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2F22D192D91 for ; Mon, 30 Sep 2024 16:29:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.183 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727713785; cv=none; b=O96fX67hJ9WSpaVxNls4oBb8Q5P6/YRFDTl9zgZ8ca+k7vvD31KJYq5A81pgvFxX1fJoeRaYxp2c9mrju0KIXStbWIuWq68zeTzuM8dLfplVLDIG1mXdFNBUDlQlQvja6LO4l1GHG+Ejd1Jt+kGCg8VxzcIHKZs+Ax2H9ciRIe4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727713785; c=relaxed/simple; bh=GepLR1MXCvDebTt/jsMxUFggGLRHtMkq3G0437bRe6U=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=pWwOpzW5/poGojpxS9r39FMBNeqMh114JhzUCJ0tY3hGQ4kbMoCvM50m3IviNgkuSLWDvLTMguzz1RgdQoG5PV7NVcCZf5TOWVSpzcxxnX9aDQjrlj87eShx2YYOqzU6vg/tH6IOzCoLL9uNFKaAKwYPS7MCylk1RPFAyscUgA4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=ivxxvpRS; arc=none smtp.client-ip=91.218.175.183 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="ivxxvpRS" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1727713781; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=ctpjEXxAQhBELHgt/nsdF0ZF04pW65sAwCl2IcBKy8I=; b=ivxxvpRSBJKf/+2OVB8NJ/BZsJiYbTzE2I+4izIwNOORJBkjo63G6Puwz5ii0Gvoxx0xqH K+tKUYA5gs35KHocDmSPWrJCrcG+TGq+5D0hbUtAmVOmbjIhd6Y9OyMfa/dh3EzWWL08ui Q2a+i2h45tU6vLpBqn9rBcJBTZW8Wbo= From: Sean Anderson To: "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , netdev@vger.kernel.org Cc: Willem de Bruijn , Shuah Khan , linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, Sean Anderson Subject: [PATCH net-next] selftests: net: csum: Clean up recv_verify_packet_ipv6 Date: Mon, 30 Sep 2024 12:29:34 -0400 Message-Id: <20240930162935.980712-1-sean.anderson@linux.dev> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Migadu-Flow: FLOW_OUT X-Patchwork-Delegate: kuba@kernel.org Rename ip_len to payload_len since the length in this case refers only to the payload, and not the entire IP packet like for IPv4. While we're at it, just use the variable directly when calling recv_verify_packet_udp/tcp. Signed-off-by: Sean Anderson Reviewed-by: Willem de Bruijn --- tools/testing/selftests/net/lib/csum.c | 12 +++++------- 1 file changed, 5 insertions(+), 7 deletions(-) diff --git a/tools/testing/selftests/net/lib/csum.c b/tools/testing/selftests/net/lib/csum.c index e0a34e5e8dd5..27437590eeb5 100644 --- a/tools/testing/selftests/net/lib/csum.c +++ b/tools/testing/selftests/net/lib/csum.c @@ -675,22 +675,20 @@ static int recv_verify_packet_ipv6(void *nh, int len) { struct ipv6hdr *ip6h = nh; uint16_t proto = cfg_encap ? IPPROTO_UDP : cfg_proto; - uint16_t ip_len; + uint16_t payload_len; if (len < sizeof(*ip6h) || ip6h->nexthdr != proto) return -1; - ip_len = ntohs(ip6h->payload_len); - if (ip_len > len - sizeof(*ip6h)) + payload_len = ntohs(ip6h->payload_len); + if (payload_len > len - sizeof(*ip6h)) return -1; - len = ip_len; iph_addr_p = &ip6h->saddr; - if (proto == IPPROTO_TCP) - return recv_verify_packet_tcp(ip6h + 1, len); + return recv_verify_packet_tcp(ip6h + 1, payload_len); else - return recv_verify_packet_udp(ip6h + 1, len); + return recv_verify_packet_udp(ip6h + 1, payload_len); } /* return whether auxdata includes TP_STATUS_CSUM_VALID */