From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Lebrun Subject: [PATCH iproute2 1/3] sr: add header files for SR-IPv6 Date: Tue, 10 Jan 2017 17:41:24 +0100 Message-ID: <1484066486-22152-2-git-send-email-david.lebrun@uclouvain.be> References: <1484066486-22152-1-git-send-email-david.lebrun@uclouvain.be> Mime-Version: 1.0 Content-Type: text/plain Cc: David Lebrun To: Return-path: Received: from smtp.sgsi.ucl.ac.be ([130.104.5.67]:43074 "EHLO smtp4.sgsi.ucl.ac.be" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1764056AbdAJQkx (ORCPT ); Tue, 10 Jan 2017 11:40:53 -0500 Received: from mailboxes.uclouvain.be (mailboxes.uclouvain.be [130.104.6.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by smtp4.sgsi.ucl.ac.be (Postfix) with ESMTPS id D6E2E67DA50 for ; Tue, 10 Jan 2017 17:40:34 +0100 (CET) In-Reply-To: <1484066486-22152-1-git-send-email-david.lebrun@uclouvain.be> Sender: netdev-owner@vger.kernel.org List-ID: This patch add the necessary header files to interface with the SR-IPv6 kernel implementation. Signed-off-by: David Lebrun --- include/linux/seg6.h | 54 +++++++++++++++++++++++++++++++++++++++++++ include/linux/seg6_genl.h | 32 +++++++++++++++++++++++++ include/linux/seg6_hmac.h | 21 +++++++++++++++++ include/linux/seg6_iptunnel.h | 38 ++++++++++++++++++++++++++++++ 4 files changed, 145 insertions(+) create mode 100644 include/linux/seg6.h create mode 100644 include/linux/seg6_genl.h create mode 100644 include/linux/seg6_hmac.h create mode 100644 include/linux/seg6_iptunnel.h diff --git a/include/linux/seg6.h b/include/linux/seg6.h new file mode 100644 index 0000000..8f651bf --- /dev/null +++ b/include/linux/seg6.h @@ -0,0 +1,54 @@ +/* + * SR-IPv6 implementation + * + * Author: + * David Lebrun + * + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#ifndef _SEG6_H +#define _SEG6_H + +/* + * SRH + */ +struct ipv6_sr_hdr { + __u8 nexthdr; + __u8 hdrlen; + __u8 type; + __u8 segments_left; + __u8 first_segment; + __u8 flag_1; + __u8 flag_2; + __u8 reserved; + + struct in6_addr segments[0]; +}; + +#define SR6_FLAG1_CLEANUP (1 << 7) +#define SR6_FLAG1_PROTECTED (1 << 6) +#define SR6_FLAG1_OAM (1 << 5) +#define SR6_FLAG1_ALERT (1 << 4) +#define SR6_FLAG1_HMAC (1 << 3) + +#define SR6_TLV_INGRESS 1 +#define SR6_TLV_EGRESS 2 +#define SR6_TLV_OPAQUE 3 +#define SR6_TLV_PADDING 4 +#define SR6_TLV_HMAC 5 + +#define sr_has_cleanup(srh) ((srh)->flag_1 & SR6_FLAG1_CLEANUP) +#define sr_has_hmac(srh) ((srh)->flag_1 & SR6_FLAG1_HMAC) + +struct sr6_tlv { + __u8 type; + __u8 len; + __u8 data[0]; +}; + +#endif diff --git a/include/linux/seg6_genl.h b/include/linux/seg6_genl.h new file mode 100644 index 0000000..36fcbc8 --- /dev/null +++ b/include/linux/seg6_genl.h @@ -0,0 +1,32 @@ +#ifndef _SEG6_GENL_H +#define _SEG6_GENL_H + +#define SEG6_GENL_NAME "SEG6" +#define SEG6_GENL_VERSION 0x1 + +enum { + SEG6_ATTR_UNSPEC, + SEG6_ATTR_DST, + SEG6_ATTR_DSTLEN, + SEG6_ATTR_HMACKEYID, + SEG6_ATTR_SECRET, + SEG6_ATTR_SECRETLEN, + SEG6_ATTR_ALGID, + SEG6_ATTR_HMACINFO, + __SEG6_ATTR_MAX, +}; + +#define SEG6_ATTR_MAX (__SEG6_ATTR_MAX - 1) + +enum { + SEG6_CMD_UNSPEC, + SEG6_CMD_SETHMAC, + SEG6_CMD_DUMPHMAC, + SEG6_CMD_SET_TUNSRC, + SEG6_CMD_GET_TUNSRC, + __SEG6_CMD_MAX, +}; + +#define SEG6_CMD_MAX (__SEG6_CMD_MAX - 1) + +#endif diff --git a/include/linux/seg6_hmac.h b/include/linux/seg6_hmac.h new file mode 100644 index 0000000..71803d2 --- /dev/null +++ b/include/linux/seg6_hmac.h @@ -0,0 +1,21 @@ +#ifndef _SEG6_HMAC_H +#define _SEG6_HMAC_H + +#include + +#define SEG6_HMAC_SECRET_LEN 64 +#define SEG6_HMAC_FIELD_LEN 32 + +struct sr6_tlv_hmac { + struct sr6_tlv tlvhdr; + __u16 reserved; + __be32 hmackeyid; + __u8 hmac[SEG6_HMAC_FIELD_LEN]; +}; + +enum { + SEG6_HMAC_ALGO_SHA1 = 1, + SEG6_HMAC_ALGO_SHA256 = 2, +}; + +#endif diff --git a/include/linux/seg6_iptunnel.h b/include/linux/seg6_iptunnel.h new file mode 100644 index 0000000..0d72a58 --- /dev/null +++ b/include/linux/seg6_iptunnel.h @@ -0,0 +1,38 @@ +/* + * SR-IPv6 implementation + * + * Author: + * David Lebrun + * + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#ifndef _SEG6_IPTUNNEL_H +#define _SEG6_IPTUNNEL_H + +#include + +enum { + SEG6_IPTUNNEL_UNSPEC, + SEG6_IPTUNNEL_SRH, + __SEG6_IPTUNNEL_MAX, +}; +#define SEG6_IPTUNNEL_MAX (__SEG6_IPTUNNEL_MAX - 1) + +struct seg6_iptunnel_encap { + int mode; + struct ipv6_sr_hdr srh[0]; +}; + +#define SEG6_IPTUN_ENCAP_SIZE(x) ((sizeof(*x)) + (((x)->srh->hdrlen + 1) << 3)) + +enum { + SEG6_IPTUN_MODE_INLINE, + SEG6_IPTUN_MODE_ENCAP, +}; + +#endif -- 2.7.3