From: Eric Dumazet <eric.dumazet@gmail.com>
To: "David S . Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>
Cc: netdev <netdev@vger.kernel.org>,
Alexander Duyck <alexanderduyck@fb.com>,
Coco Li <lixiaoyan@google.com>,
Eric Dumazet <edumazet@google.com>,
Eric Dumazet <eric.dumazet@gmail.com>
Subject: [PATCH v4 net-next 04/14] ipv6: add struct hop_jumbo_hdr definition
Date: Wed, 9 Mar 2022 21:46:53 -0800 [thread overview]
Message-ID: <20220310054703.849899-5-eric.dumazet@gmail.com> (raw)
In-Reply-To: <20220310054703.849899-1-eric.dumazet@gmail.com>
From: Eric Dumazet <edumazet@google.com>
Following patches will need to add and remove local IPv6 jumbogram
options to enable BIG TCP.
Signed-off-by: Eric Dumazet <edumazet@google.com>
---
include/net/ipv6.h | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index 213612f1680c7c39f4c07f0c05b4e6cf34a7878e..63d019953c47ea03d3b723a58c25e83c249489a9 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -151,6 +151,17 @@ struct frag_hdr {
__be32 identification;
};
+/*
+ * Jumbo payload option, as described in RFC 2675 2.
+ */
+struct hop_jumbo_hdr {
+ u8 nexthdr;
+ u8 hdrlen;
+ u8 tlv_type; /* IPV6_TLV_JUMBO, 0xC2 */
+ u8 tlv_len; /* 4 */
+ __be32 jumbo_payload_len;
+};
+
#define IP6_MF 0x0001
#define IP6_OFFSET 0xFFF8
--
2.35.1.616.g0bdcbb4464-goog
next prev parent reply other threads:[~2022-03-10 5:47 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-10 5:46 [PATCH v4 net-next 00/14] tcp: BIG TCP implementation Eric Dumazet
2022-03-10 5:46 ` [PATCH v4 net-next 01/14] net: add netdev->tso_ipv6_max_size attribute Eric Dumazet
2022-03-10 5:46 ` [PATCH v4 net-next 02/14] ipv6: add dev->gso_ipv6_max_size Eric Dumazet
2022-03-11 16:21 ` Alexander H Duyck
2022-03-15 15:57 ` Eric Dumazet
2022-03-10 5:46 ` [PATCH v4 net-next 03/14] tcp_cubic: make hystart_ack_delay() aware of BIG TCP Eric Dumazet
2022-03-10 5:46 ` Eric Dumazet [this message]
2022-03-10 5:46 ` [PATCH v4 net-next 05/14] ipv6/gso: remove temporary HBH/jumbo header Eric Dumazet
2022-03-10 5:46 ` [PATCH v4 net-next 06/14] ipv6/gro: insert " Eric Dumazet
2022-03-11 16:24 ` Alexander H Duyck
2022-03-15 16:01 ` Eric Dumazet
2022-03-15 16:04 ` Alexander Duyck
2022-03-15 16:10 ` Eric Dumazet
2022-03-15 17:35 ` Alexander Duyck
2022-03-10 5:46 ` [PATCH v4 net-next 07/14] ipv6: add GRO_IPV6_MAX_SIZE Eric Dumazet
2022-03-10 5:46 ` [PATCH v4 net-next 08/14] ipv6: Add hop-by-hop header to jumbograms in ip6_output Eric Dumazet
2022-03-10 5:46 ` [PATCH v4 net-next 09/14] net: loopback: enable BIG TCP packets Eric Dumazet
2022-03-10 5:46 ` [PATCH v4 net-next 10/14] bonding: update dev->tso_ipv6_max_size Eric Dumazet
2022-03-10 5:47 ` [PATCH v4 net-next 11/14] macvlan: enable BIG TCP Packets Eric Dumazet
2022-03-10 5:47 ` [PATCH v4 net-next 12/14] ipvlan: " Eric Dumazet
2022-03-10 5:47 ` [PATCH v4 net-next 13/14] mlx4: support BIG TCP packets Eric Dumazet
2022-03-10 5:47 ` [PATCH v4 net-next 14/14] mlx5: " Eric Dumazet
2022-03-11 17:13 ` [PATCH v4 net-next 00/14] tcp: BIG TCP implementation Alexander H Duyck
2022-03-15 15:50 ` Eric Dumazet
2022-03-15 16:17 ` Alexander Duyck
2022-03-15 16:33 ` Eric Dumazet
2022-03-15 17:20 ` Alexander Duyck
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