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Message-ID: <20241105083759.2172771-3-chopps@chopps.org>
Date: Tue, 5 Nov 2024 03:37:46 -0500
From: Christian Hopps <chopps@...pps.org>
To: devel@...ux-ipsec.org
Cc: Steffen Klassert <steffen.klassert@...unet.com>,
netdev@...r.kernel.org,
Florian Westphal <fw@...len.de>,
Sabrina Dubroca <sd@...asysnail.net>,
Simon Horman <horms@...nel.org>,
Antony Antony <antony@...nome.org>,
Christian Hopps <chopps@...pps.org>,
Christian Hopps <chopps@...n.net>
Subject: [PATCH ipsec-next v13 02/15] include: uapi: protocol number and packet structs for AGGFRAG in ESP
From: Christian Hopps <chopps@...n.net>
Add the RFC assigned IP protocol number for AGGFRAG.
Add the on-wire basic and congestion-control IP-TFS packet headers.
Signed-off-by: Christian Hopps <chopps@...n.net>
---
include/uapi/linux/in.h | 2 ++
include/uapi/linux/ip.h | 16 ++++++++++++++++
2 files changed, 18 insertions(+)
diff --git a/include/uapi/linux/in.h b/include/uapi/linux/in.h
index 5d32d53508d9..ced0fc3c3aa5 100644
--- a/include/uapi/linux/in.h
+++ b/include/uapi/linux/in.h
@@ -79,6 +79,8 @@ enum {
#define IPPROTO_MPLS IPPROTO_MPLS
IPPROTO_ETHERNET = 143, /* Ethernet-within-IPv6 Encapsulation */
#define IPPROTO_ETHERNET IPPROTO_ETHERNET
+ IPPROTO_AGGFRAG = 144, /* AGGFRAG in ESP (RFC 9347) */
+#define IPPROTO_AGGFRAG IPPROTO_AGGFRAG
IPPROTO_RAW = 255, /* Raw IP packets */
#define IPPROTO_RAW IPPROTO_RAW
IPPROTO_SMC = 256, /* Shared Memory Communications */
diff --git a/include/uapi/linux/ip.h b/include/uapi/linux/ip.h
index 283dec7e3645..5bd7ce934d74 100644
--- a/include/uapi/linux/ip.h
+++ b/include/uapi/linux/ip.h
@@ -137,6 +137,22 @@ struct ip_beet_phdr {
__u8 reserved;
};
+struct ip_iptfs_hdr {
+ __u8 subtype; /* 0*: basic, 1: CC */
+ __u8 flags;
+ __be16 block_offset;
+};
+
+struct ip_iptfs_cc_hdr {
+ __u8 subtype; /* 0: basic, 1*: CC */
+ __u8 flags;
+ __be16 block_offset;
+ __be32 loss_rate;
+ __be64 rtt_adelay_xdelay;
+ __be32 tval;
+ __be32 techo;
+};
+
/* index values for the variables in ipv4_devconf */
enum
{
--
2.47.0
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