diff mbox series

[v2,net-next,04/14] ipv6: add struct hop_jumbo_hdr definition

Message ID 20220303181607.1094358-5-eric.dumazet@gmail.com (mailing list archive)
State Superseded
Delegated to: Netdev Maintainers
Headers show
Series tcp: BIG TCP implementation | expand

Checks

Context Check Description
netdev/tree_selection success Clearly marked for net-next
netdev/fixes_present success Fixes tag not required for -next series
netdev/subject_prefix success Link
netdev/cover_letter success Series has a cover letter
netdev/patch_count success Link
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 2095 this patch: 2095
netdev/cc_maintainers warning 1 maintainers not CCed: yoshfuji@linux-ipv6.org
netdev/build_clang success Errors and warnings before: 303 this patch: 303
netdev/module_param success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 2224 this patch: 2224
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 17 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Eric Dumazet March 3, 2022, 6:15 p.m. UTC 
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(+)

Comments

Alexander Duyck March 4, 2022, 7:26 p.m. UTC | #1 
On Thu, 2022-03-03 at 10:15 -0800, Eric Dumazet wrote:
> 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..95f405cde9e539d7909b6b89af2b956655f38b94 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 2676 2.
> + */

The RFC number is 2675 isn't it?
Eric Dumazet March 4, 2022, 7:28 p.m. UTC | #2 
On Fri, Mar 4, 2022 at 11:26 AM Alexander H Duyck
<alexander.duyck@gmail.com> wrote:
>
> On Thu, 2022-03-03 at 10:15 -0800, Eric Dumazet wrote:
> > 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..95f405cde9e539d7909b6b89af2b956655f38b94 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 2676 2.
> > + */
>
> The RFC number is 2675 isn't it?
>

You are right, thanks.
diff mbox series

Patch

diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index 213612f1680c7c39f4c07f0c05b4e6cf34a7878e..95f405cde9e539d7909b6b89af2b956655f38b94 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 2676 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