From nobody Thu Jul 16 13:39:11 2026 X-Original-To: dev-commits-src-main@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4h1DfR3Q0Sz6lMcZ for ; Thu, 16 Jul 2026 13:39:11 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "YR1" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4h1DfR2tMNz4CgJ for ; Thu, 16 Jul 2026 13:39:11 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1784209151; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=xAxZUV6pKrA9do8PuUbRhJTN8Fr6k12e44YHn2Y1o8A=; b=E+ereIp5mua6TpfHNfIWKGt9hSQSWyhyqXh/yIwCen/AmOah/TngI82Uv4p4sdTP5SNx/5 tYHycoTsGenOHb/6+BlyKDI0pggTm8XFspEPIW+bKIKQ1DIYIgs2NFHsvoKNMDXI++gUHn 9o71xtYxCzJormhDMVpgnkABet2TjYEQc2uztvpcg0bIYAni3Zyp0Khltw3X2a0miuiqxY pzCImlkfLaPOUXrkLqD2N5PLV3PV09AZVnFNZJqD/blTj2q/4T4aoc6EKu8OWpNlq8YON6 9+3aKtYhRNPnA0jdMlEtSC8o/5+ex530v8la0DwtUHVS0qvSYBeX3HzWKGvqbQ== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1784209151; a=rsa-sha256; cv=none; b=r/EJzieLDfmqHd2+15A2BvDFcwzaLxLqZum59jbdrXc1UJBPYn2fgQ5Il5UMPboY5mA0aW ewXqGFl5fKa+TsRyJVrPRAwEYS1rXOOpHnjX8Rq/cWWIF0BFqL6X2IqW5GBRnPMqL9bhny XXKXBbLGF4LVCnZ5t4wfpNaa1aSDPrAR8rkfNK3GzqPenyGlfhebxBNTWGP4Jpm01CAoaG 4nEc7HX7skZl9drOGgscq3btzxlRnoy5TUDaKT3nANoB5qCk/YBRhKSvIevVt+IaI6NHbc pDrTuOr7fBKRk9JiS1Rb6jPlRdA34Bxv2cEG7xgqjAiKMJR6PxlwKr7UngsjIg== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1784209151; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=xAxZUV6pKrA9do8PuUbRhJTN8Fr6k12e44YHn2Y1o8A=; b=W9lYfB6u+sVyatcNNPGnMVj7gbCsFvvzB6Guv7+yfoBLg6rT9gxVXfuH49WlGlXjR4CAKv 11M+v3gRBMDl0deq+R7Rtv0qBoW6vtbmPHWoLYUUXOy0ssGbyuXFTZFmzKp3L2jWTsmiD5 hQJrb3dWLAWdyRbaGENxJJRoR+TtUq/3v30Na6Mgua99Ia32Nm64d0rwfcHatAMl/Gegx/ RcvqrIGwAehq7tZJkNj1YAuN+UeErivW17PrHUIg8/0ksIyRLYLAJyy9eErfYTTM8Quvkt T7v/kWCGTB+pegqH+1cHKziYTned8ipkf2O/2hNFK/U3yDfKtrzWySGb7B1fZw== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) by mxrelay.nyi.freebsd.org (Postfix) with ESMTP id 4h1DfR1Qkpz1Hhh for ; Thu, 16 Jul 2026 13:39:11 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from git (uid 1279) (envelope-from git@FreeBSD.org) id 3f6d2 by gitrepo.freebsd.org (DragonFly Mail Agent v0.13+ on gitrepo.freebsd.org); Thu, 16 Jul 2026 13:39:11 +0000 To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Pouria Mousavizadeh Tehrani Subject: git: 7c22dda66913 - main - nd6: Add router address and DHCPv6-PD flags in PIO headers List-Id: Commit messages for the main branch of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-main List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-main@freebsd.org Sender: owner-dev-commits-src-main@FreeBSD.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: pouria X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 7c22dda66913347fba2e488440cf00e7f8a26470 Auto-Submitted: auto-generated Date: Thu, 16 Jul 2026 13:39:11 +0000 Message-Id: <6a58deff.3f6d2.13830bd@gitrepo.freebsd.org> The branch main has been updated by pouria: URL: https://cgit.FreeBSD.org/src/commit/?id=7c22dda66913347fba2e488440cf00e7f8a26470 commit 7c22dda66913347fba2e488440cf00e7f8a26470 Author: Pouria Mousavizadeh Tehrani AuthorDate: 2026-07-16 13:24:22 +0000 Commit: Pouria Mousavizadeh Tehrani CommitDate: 2026-07-16 13:26:59 +0000 nd6: Add router address and DHCPv6-PD flags in PIO headers Make R-bit per RFC 6275 8.3 and P-bit per RFC 9762 7.1 in Prefix Information option available to userland for future implementations. RFC 9762 7.1: For each interface, the client MUST keep a list of every prefix that was received from a PIO with the P flag set and currently has a non-zero preferred lifetime. Differential Revision: https://reviews.freebsd.org/D56207 --- sys/netinet/icmp6.h | 6 ++++-- sys/netinet6/in6_var.h | 6 +++++- sys/netinet6/nd6.h | 1 + 3 files changed, 10 insertions(+), 3 deletions(-) diff --git a/sys/netinet/icmp6.h b/sys/netinet/icmp6.h index 77145e4c7503..12fbf7cc3f5c 100644 --- a/sys/netinet/icmp6.h +++ b/sys/netinet/icmp6.h @@ -319,8 +319,10 @@ struct nd_opt_prefix_info { /* prefix information */ struct in6_addr nd_opt_pi_prefix; } __packed; -#define ND_OPT_PI_FLAG_ONLINK 0x80 -#define ND_OPT_PI_FLAG_AUTO 0x40 +#define ND_OPT_PI_FLAG_ONLINK 0x80 /* RFC 4861 */ +#define ND_OPT_PI_FLAG_AUTO 0x40 /* RFC 4861 */ +#define ND_OPT_PI_FLAG_ROUTER 0x20 /* RFC 6275 */ +#define ND_OPT_PI_FLAG_DHCP6PD 0x10 /* RFC 9762 */ struct nd_opt_rd_hdr { /* redirected header */ u_int8_t nd_opt_rh_type; diff --git a/sys/netinet6/in6_var.h b/sys/netinet6/in6_var.h index b1209a324cc9..655787c9ba53 100644 --- a/sys/netinet6/in6_var.h +++ b/sys/netinet6/in6_var.h @@ -306,7 +306,9 @@ struct in6_prflags { struct prf_ra { u_char onlink : 1; u_char autonomous : 1; - u_char reserved : 6; + u_char router : 1; + u_char dhcp6_pd : 1; + u_char reserved : 4; } prf_ra; u_char prf_reserved1; u_short prf_reserved2; @@ -337,6 +339,8 @@ struct in6_prefixreq { #define ipr_raf_onlink ipr_flags.prf_ra.onlink #define ipr_raf_auto ipr_flags.prf_ra.autonomous +#define ipr_raf_router ipr_flags.prf_ra.router +#define ipr_raf_dhcp6pd ipr_flags.prf_ra.dhcp6_pd #define ipr_statef_onlink ipr_flags.prf_state.onlink diff --git a/sys/netinet6/nd6.h b/sys/netinet6/nd6.h index 372d06b6574d..8c9eaed18627 100644 --- a/sys/netinet6/nd6.h +++ b/sys/netinet6/nd6.h @@ -230,6 +230,7 @@ struct nd_prefix { #define ndpr_raf_onlink ndpr_flags.onlink #define ndpr_raf_auto ndpr_flags.autonomous #define ndpr_raf_router ndpr_flags.router +#define ndpr_raf_dhcp6pd ndpr_flags.dhcp6_pd struct nd_pfxrouter { LIST_ENTRY(nd_pfxrouter) pfr_entry;