From patchwork Wed Feb 12 13:24:15 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Dumazet X-Patchwork-Id: 13971588 X-Patchwork-Delegate: kuba@kernel.org Received: from mail-qt1-f202.google.com (mail-qt1-f202.google.com [209.85.160.202]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 96E7420D500 for ; Wed, 12 Feb 2025 13:24:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.160.202 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739366664; cv=none; b=Rs2GtIsUzjArOubx+/TQ3Cul2e2yaltvyqLb1z2P5YV94aqRQMo5LkbBb7Rz3Gs+g3tfjSq2Es+dUO5XlJgYp+T1q1h8HjAV2hNBd3RZvBH5W3AhuPZlv5J2meeoR4XGQ2nNMAmblmq92beWdinoUbfjq+DBTjnq/IlBcPhsJNQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739366664; c=relaxed/simple; bh=jhACoiKQ3aSvjs+pkiXHJUz6f4bjCQTk8gPucaIHiTY=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=LtBnhQk2k9TTtSPwf0WlovX7pcFvftQ2KtBh2tHczZzNnVqE9emkN5wKNbcP6FB4LYKwTZCmUdC8BKUrGt43ApxAiw6I8X/jdtRhQeMGhrmncBrnFyaoAgXU4sBqaAaUH6Su+XUMUJqkbpsGiN8aXiyqkUXjhJv5vf1dQhKX2Ng= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--edumazet.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=j0bBU2xf; arc=none smtp.client-ip=209.85.160.202 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--edumazet.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="j0bBU2xf" Received: by mail-qt1-f202.google.com with SMTP id d75a77b69052e-471ab7a28ffso26256811cf.0 for ; Wed, 12 Feb 2025 05:24:22 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1739366661; x=1739971461; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=nRFw9RpF6aMD8n6oflODQC64uRr8iptWae9j/dkj4Tk=; b=j0bBU2xffUF8XcqcDhLly0hw+r2J4m4D4d8qd1zz/CjhbOV4595MaWda9GOB4/Hbt+ QYJ5weSSnFR2G0p7tzGP3v29L8GoBcSn8LgsR7d2d9rtZ+dwdXM2PmXwLKDXi73eWLx8 F497w5PPOSP9qpedofBdoyM5pEzDIxRoUGIK2wFLzcGX2hS2PgoXUZN6MtvzRYEkLlA4 HTN/zVbPTUpyn2F7Z85z68LluY1so570TgBlBoqGOvwljltwsd77XY0NqM2ODdi+Ua3b JpdrtbGEerAHNQ1br+KGmGKYBJk+5mUl7gWhHYfeZKJE95BmQMVofPp5lAwQ4/4vAAMK xtjA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1739366661; x=1739971461; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=nRFw9RpF6aMD8n6oflODQC64uRr8iptWae9j/dkj4Tk=; b=oe9afanwUZdTKbw0c8OBenvwYxkwu6koCzOaCaQXuhEw8VGqYQADxwu4uFtnt5HO08 zKbBhqHNVlo6YLnnnpOVz1Swg6QR97UolDItqaeP7IvT/HkufMYP4z7U69W5YW64Du1P hzw0bKaTtrUi+9aCBpaFSYkpJcqcjLcPNpwKkQJpv5RU3wjIUDEOTg2Q3fbCHDZtNqYi y6TRvjaADrLv5w9NbagMyBIAJ2vVCcXEiLTUqS68AMtVGBOhE+0tBNjtiNaQQ1KkHIAi SsQSVcwe9rm552D5rnOgHoI4+clSy6RVKCGySAbJaZLDGgQU6l9/9PQYja7KK4VfeiyU Pf7w== X-Gm-Message-State: AOJu0YwX5bS66w+nf7JNRXdv5Rxmk9o4b4mYU3mYP0Jg6fVHJ59V89D9 TCOyGKbChnP0o/pxC6O6r+QBm9X5JKMB9B3o6PwiWec+DJZOqZ+d/qx6Uy2Z8+3yFTPW+LGpMr+ D/SbAI+aElw== X-Google-Smtp-Source: AGHT+IHRebz6PY/DYCOiWqZ1nZOGI9jVYnzzgYfoxHFzVpstEkFsXwD+6OovXTBpIPRnU24rY1+wy6IVodp1jg== X-Received: from qtbeh26.prod.google.com ([2002:a05:622a:579a:b0:471:b4d5:2345]) (user=edumazet job=prod-delivery.src-stubby-dispatcher) by 2002:a05:622a:401a:b0:471:b772:c713 with SMTP id d75a77b69052e-471b772d7e0mr22852111cf.12.1739366661519; Wed, 12 Feb 2025 05:24:21 -0800 (PST) Date: Wed, 12 Feb 2025 13:24:15 +0000 In-Reply-To: <20250212132418.1524422-1-edumazet@google.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250212132418.1524422-1-edumazet@google.com> X-Mailer: git-send-email 2.48.1.502.g6dc24dfdaf-goog Message-ID: <20250212132418.1524422-2-edumazet@google.com> Subject: [PATCH v2 net-next 1/4] net: introduce EXPORT_IPV6_MOD() and EXPORT_IPV6_MOD_GPL() From: Eric Dumazet To: "David S . Miller" , Jakub Kicinski , Paolo Abeni Cc: netdev@vger.kernel.org, Simon Horman , Willem de Bruijn , Sabrina Dubroca , Neal Cardwell , Kuniyuki Iwashima , Mateusz Polchlopek , eric.dumazet@gmail.com, Eric Dumazet X-Patchwork-Delegate: kuba@kernel.org We have many EXPORT_SYMBOL(x) in networking tree because IPv6 can be built as a module. CONFIG_IPV6=y is becoming the norm. Define a EXPORT_IPV6_MOD(x) which only exports x for modular IPv6. Same principle applies to EXPORT_IPV6_MOD_GPL() Signed-off-by: Eric Dumazet Reviewed-by: Kuniyuki Iwashima Reviewed-by: Mateusz Polchlopek --- include/net/ip.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/include/net/ip.h b/include/net/ip.h index 9f5e33e371fcdd8ea88c54584b8d4b6c50e7d0c9..1e40c5ac53a74e1c20157709e49edf2271e44fe3 100644 --- a/include/net/ip.h +++ b/include/net/ip.h @@ -666,6 +666,14 @@ static inline void ip_ipgre_mc_map(__be32 naddr, const unsigned char *broadcast, memcpy(buf, &naddr, sizeof(naddr)); } +#if IS_MODULE(CONFIG_IPV6) +#define EXPORT_IPV6_MOD(X) EXPORT_SYMBOL(X) +#define EXPORT_IPV6_MOD_GPL(X) EXPORT_SYMBOL_GPL(X) +#else +#define EXPORT_IPV6_MOD(X) +#define EXPORT_IPV6_MOD_GPL(X) +#endif + #if IS_ENABLED(CONFIG_IPV6) #include #endif