and 4.3 of [1]
> respectively.
>
> Packets processed by End, End.X and End.T behaviors can have a Segment Left
> Value
> of zero.
>
> [1]https://tools.ietf.org/html/draft-ietf-spring-srv6-network-programming-28
>
> Thanks,
> Suprit J
>
> On Tue, Feb 2,
uct sk_buff *skb,
> > struct seg6_local_lwt *slwt)
> > {
> > struct ipv6_sr_hdr *srh;
> >
> > - srh = get_and_validate_srh(skb);
> > + srh = get_srh(skb);
> > if (!srh)
> > goto drop;
> >
> > - advance_nextseg(srh, &ipv6
Tue, 20 Oct 2020 18:05:47 +0530
Reji Thomas wrote:
> Hi Ahmed,
>
>
> On Tue, Oct 20, 2020 at 3:04 PM Ahmed Abdelsalam
> wrote:
> >
> > We are submitting the patch for End.DT4. End.DX4 is already there.
> >
> > So the optional parameter and OIF applies direc
We are submitting the patch for End.DT4. End.DX4 is already there.
So the optional parameter and OIF applies directly to End.X/End.DX6/End.DX4.
On Tue, 20 Oct 2020 11:28:29 +0200
Ahmed Abdelsalam wrote:
> Jakub, Reji,
>
> Andrea (CC'ed) and I have been working on a patch th
gt; > As you say the OIF is only required for using link local addresses,
> > so this change breaks perfectly legitimate configurations.
> >
> > Can we instead only warn about the missing OIF, and only do that when
> > nh is link local?
> >
> End.X is defined as an adjacency-sid and is used to select a specific link to
> a
> neighbor for both global and link-local addresses. The intention was
> to drop the
> packet even for global addresses if the route via the specific
> interface is not found.
> Alternatively(believe semantically correct for End.X definition) I
> could do a neighbor lookup
> for nexthop address over specific interface and send the packet out.
>
> > Also doesn't SEG6_LOCAL_ACTION_END_DX6 need a similar treatment?
>
> Yes. I will update the patch for End.DX6 based on the patch finalized for
> End.X.
--
Ahmed Abdelsalam
On 26/08/2020 21:41, David Ahern wrote:
On 8/26/20 6:12 AM, Ahmed Abdelsalam wrote:
On 26/08/2020 02:45, David Ahern wrote:
On 8/25/20 5:45 PM, Ahmed Abdelsalam wrote:
Hi David
The seg6 encap is implemented through the seg6_lwt rather than
seg6_local_lwt.
ok. I don't know the
On 26/08/2020 02:45, David Ahern wrote:
On 8/25/20 5:45 PM, Ahmed Abdelsalam wrote:
Hi David
The seg6 encap is implemented through the seg6_lwt rather than
seg6_local_lwt.
ok. I don't know the seg6 code; just taking a guess from a quick look.
We can add a flag(SEG6_IPTUNNEL_DSC
On 25/08/2020 18:45, David Ahern wrote:
On 8/25/20 10:02 AM, Ahmed Abdelsalam wrote:
This patch allows SRv6 encapsulation to inherit the DSCP value of
the inner IPv4 packet.
This allows forwarding packet across the SRv6 fabric based on their
original traffic class.
The option is controlled
this feature.
Signed-off-by: Ahmed Abdelsalam
---
include/net/netns/ipv6.h | 1 +
net/ipv6/seg6_iptunnel.c | 37 -
net/ipv6/sysctl_net_ipv6.c | 9 +
3 files changed, 30 insertions(+), 17 deletions(-)
diff --git a/include/net/netns/ipv6.h b/include
On 25/08/2020 17:51, Jakub Kicinski wrote:
On Tue, 25 Aug 2020 12:18:44 + Ahmed Abdelsalam wrote:
+ Enable the SRv6 encapsulation to inherit the DSCP value of the inner
IPv4 packet.
+
+ Default: FALSE (Do not inherit DSCP)
+
``conf/default/*``:
Change the interface
This patch adds a documentation for seg6_inherit_inner_ipv4_dscp
sysctl into Documentation/networking/ip-sysctl.rst
Signed-off-by: Ahmed Abdelsalam
---
Documentation/networking/ip-sysctl.rst | 5 +
1 file changed, 5 insertions(+)
diff --git a/Documentation/networking/ip-sysctl.rst
b
This patch adds a documentation for seg6_inherit_inner_ipv4_dscp
sysctl into Documentation/networking/ip-sysctl.rst
Signed-off-by: Ahmed Abdelsalam
---
Documentation/networking/ip-sysctl.rst | 5 +
1 file changed, 5 insertions(+)
diff --git a/Documentation/networking/ip-sysctl.rst
b
this feature.
Signed-off-by: Ahmed Abdelsalam
---
include/net/netns/ipv6.h | 1 +
net/ipv6/seg6_iptunnel.c | 37 -
net/ipv6/sysctl_net_ipv6.c | 9 +
3 files changed, 30 insertions(+), 17 deletions(-)
diff --git a/include/net/netns/ipv6.h b/include
On 25/08/2020 03:11, David Miller wrote:
From: Ahmed Abdelsalam
Date: Mon, 24 Aug 2020 08:51:24 +
This patch allows copying the DSCP from inner IPv4 header to the
outer IPv6 header, when doing SRv6 Encapsulation.
This allows forwarding packet across the SRv6 fabric based on their
This patch allows copying the DSCP from inner IPv4 header to the
outer IPv6 header, when doing SRv6 Encapsulation.
This allows forwarding packet across the SRv6 fabric based on their
original traffic class.
Signed-off-by: Ahmed Abdelsalam
---
net/ipv6/seg6_iptunnel.c | 36
Hi David,
Sorry for the late reply. I'm on PTO with limited email access.
I will revise the patch in the next weeks and make outer IPv6 header
inherit Hop limit from Inner packet for the IPv6 case.
Ahmed
On 08/08/2020 02:43, David Miller wrote:
From: Ahmed Abdelsalam
Date: Thu,
]
https://www.cisco.com/c/en/us/td/docs/routers/asr9000/software/asr9k-r6-6/segment-routing/configuration/guide/b-segment-routing-cg-asr9000-66x/b-segment-routing-cg-asr9000-66x_chapter_011.html#id_94209
On 06/08/2020 02:40, David Miller wrote:
From: Ahmed Abdelsalam
Date: Tue, 4 Aug 2020 07:40
The problem was the declaration of tos.
Fixed and new patch is sent.
On 03/08/2020 21:48, Jakub Kicinski wrote:
On Mon, 3 Aug 2020 18:14:17 + Ahmed Abdelsalam wrote:
This patch allows copying the DSCP from inner IPv4 header to the
outer IPv6 header, when doing SRv6 Encapsulation.
This
This patch allows copying the DSCP from inner IPv4 header to the
outer IPv6 header, when doing SRv6 Encapsulation.
This allows forwarding packet across the SRv6 fabric based on their
original traffic class.
Signed-off-by: Ahmed Abdelsalam
---
net/ipv6/seg6_iptunnel.c | 36
This patch allows copying the DSCP from inner IPv4 header to the
outer IPv6 header, when doing SRv6 Encapsulation.
This allows forwarding packet across the SRv6 fabric based on their
original traffic class.
Signed-off-by: Ahmed Abdelsalam
---
net/ipv6/seg6_iptunnel.c | 37
I will refactor the code of this function and submit a new patch.
Ahmed
On 31/07/2020 01:44, David Miller wrote:
From: Ahmed Abdelsalam
Date: Tue, 28 Jul 2020 12:20:44 +
This patch allows copying the DSCP from inner IPv4 header to the
outer IPv6 header, when doing SRv6 Encapsulation
This patch allows copying the DSCP from inner IPv4 header to the
outer IPv6 header, when doing SRv6 Encapsulation.
This allows forwarding packet across the SRv6 fabric based on their
original traffic class.
Signed-off-by: Ahmed Abdelsalam
---
net/ipv6/seg6_iptunnel.c | 11 ++-
1 file
: syzbot+e8c028b62439eac42...@syzkaller.appspotmail.com
Reported-by: YueHaibing
Fixes: 0cb7498f234e ("seg6: fix SRH processing to comply with RFC8754")
Signed-off-by: Ahmed Abdelsalam
---
include/net/seg6.h | 2 +-
net/core/filter.c| 2 +-
net/ipv6/ipv6_sockglue.c | 2 +-
I’m already working on a fix for this bug.
This patch leads to a bigger semantic problem as it will send SRv6
packets to the second segment not the first segment (as is does not
exist in the SRH).
Please see my explanation below.
The main issue is the seg6_validate_srh() which is used to val
validate the SRH as per RFC8754.
Signed-off-by: Ahmed Abdelsalam
---
net/ipv6/seg6.c | 8 +++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/net/ipv6/seg6.c b/net/ipv6/seg6.c
index 4c7e0a27fa9c..e37d2b34cacc 100644
--- a/net/ipv6/seg6.c
+++ b/net/ipv6/seg6.c
@@ -28,6 +28,7 @@
bool
On Fri, 31 May 2019 10:34:03 -0700
Tom Herbert wrote:
> On Fri, May 31, 2019 at 10:07 AM Ahmed Abdelsalam
> wrote:
> >
> > On Fri, 31 May 2019 09:48:40 -0700
> > Tom Herbert wrote:
> >
> > > Mutable fields related to segment routing are: destination addre
consensus.
For new features that still need to be reviewed we can have them outside the
kernel tree for community to use.
This way the community does not get blocked by IETF process but also keep the
kernel tree stable.
Thanks,
Ahmed
--
Ahmed Abdelsalam
should give the IETF community the time to review and reach a consensus on
this draft.
Thanks,
Ahmed
--
Ahmed Abdelsalam
00 00 00 00 00 00 00 00 00 00 b2 00 00
0020: 00 00 00 00 00 00 00 00 00 00 00 02 fc 00 00 a1
0030: 00 00 00 00 00 00 00 00 00 00 00 0a
Signed-off-by: Ahmed Abdelsalam
---
net/ipv6/seg6_iptunnel.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/ipv6/seg6_iptunnel.c
On Fri, 27 Apr 2018 13:59:07 -0400 (EDT)
David Miller wrote:
> From: Ahmed Abdelsalam
> Date: Thu, 26 Apr 2018 16:11:11 +0200
>
> > @@ -119,6 +119,9 @@ int seg6_do_srh_encap(struct sk_buff *skb, struct
> > ipv6_sr_hdr *osrh, int proto)
> > int hdrlen, t
On Fri, 27 Apr 2018 08:47:14 -0700
Randy Dunlap wrote:
> On 04/27/2018 03:35 AM, Ahmed Abdelsalam wrote:
> > This patch adds a documentation for seg_flowlabel sysctl into
> > Documentation/networking/ip-sysctl.txt
> >
> > Signed-off-by: Ahmed Abdelsalam
> > ---
This patch adds a documentation for seg_flowlabel sysctl into
Documentation/networking/ip-sysctl.txt
Signed-off-by: Ahmed Abdelsalam
---
Documentation/networking/ip-sysctl.txt | 13 +
1 file changed, 13 insertions(+)
diff --git a/Documentation/networking/ip-sysctl.txt
b
This patch adds a documentation for seg_flowlabel sysctl into
Documentation/networking/ip-sysctl.txt
Signed-off-by: Ahmed Abdelsalam
---
Documentation/networking/ip-sysctl.txt | 13 +
1 file changed, 13 insertions(+)
diff --git a/Documentation/networking/ip-sysctl.txt
b
) IPv6 traffic: src_IP, dst_IP, L4 proto, and flowlabel of inner packet.
2) IPv4 traffic: src_IP, dst_IP, L4 proto, src_port, and dst_port
3) L2 traffic: depends on what kind of traffic carried into the L2
frame. IPv6 and IPv4 traffic works as discussed 1) and 2)
Signed-off-by: Ahmed Abdelsalam
On Wed, 25 Apr 2018 13:03:04 -0400 (EDT)
David Miller wrote:
> From: Ahmed Abdelsalam
> Date: Tue, 24 Apr 2018 20:23:16 +0200
>
> > ECMP (equal-cost multipath) hashes are typically computed on the packets'
> > 5-tuple(src IP, dst IP, src port, dst port, L4 proto).
On Tue, 24 Apr 2018 19:59:55 +0200
Ahmed Abdelsalam wrote:
> This patch has been tested for IPv6, IPv4, and L2 traffic.
>
> Signed-off-by: Ahmed Abdelsalam
> ---
> include/net/netns/ipv6.h | 1 +
> net/ipv6/seg6_iptunnel.c | 24 ++--
> net/ipv6/s
IPv4, and L2 traffic.
Signed-off-by: Ahmed Abdelsalam
---
include/net/netns/ipv6.h | 1 +
net/ipv6/seg6_iptunnel.c | 24 ++--
net/ipv6/sysctl_net_ipv6.c | 8
3 files changed, 31 insertions(+), 2 deletions(-)
diff --git a/include/net/netns/ipv6.h b/include/ne
r IPv6, IPv4, and L2 traffic.
Signed-off-by: Ahmed Abdelsalam
---
include/net/netns/ipv6.h | 1 +
net/ipv6/seg6_iptunnel.c | 24 ++--
net/ipv6/sysctl_net_ipv6.c | 8
3 files changed, 31 insertions(+), 2 deletions(-)
diff --git a/include/net/netns/ipv6.h b/include/ne
On Tue, 24 Apr 2018 13:16:50 -0400 (EDT)
David Miller wrote:
> From: Ahmed Abdelsalam
> Date: Mon, 23 Apr 2018 23:36:59 +0200
>
> > This patch adds a per namespace sysctl, named 'seg6_flowlabel', to be used
> > by seg6_do_srh_encap() to control the behaviour of
namespace "seg6_flowlabel"
sysctl value.
This patch has been tested for IPv6, IPv4, and L2 traffic.
Signed-off-by: Ahmed Abdelsalam
---
net/ipv6/seg6_iptunnel.c | 24 ++--
1 file changed, 22 insertions(+), 2 deletions(-)
diff --git a/net/ipv6/seg6_iptunnel.c b/net/ipv6/s
e of Inner IPv6 (0 for IPv4/L2)
1 Compute the flowlabel using seg6_make_flowlabel()
Signed-off-by: Ahmed Abdelsalam
---
include/net/netns/ipv6.h | 1 +
net/ipv6/sysctl_net_ipv6.c | 8
2 files changed, 9 insertions(+)
diff --git a/include/net/netns/ipv6.h b/include/net/netns/ip
On Mon, 23 Apr 2018 22:08:44 +0200
Florian Westphal wrote:
> Ahmed Abdelsalam wrote:
> > > > @@ -50,6 +62,12 @@ struct ip6t_srh {
> > > > __u8segs_left;
> > > > __u8last_entry;
>
On Mon, 23 Apr 2018 19:30:47 +0200
Pablo Neira Ayuso wrote:
> On Mon, Apr 23, 2018 at 05:48:22AM -0500, Ahmed Abdelsalam wrote:
> > Signed-off-by: Ahmed Abdelsalam
> > ---
> > include/uapi/linux/netfilter_ipv6/ip6t_srh.h | 22 +--
> > ne
previous SID, next SID, and
last SID.
Signed-off-by: Ahmed Abdelsalam
---
include/uapi/linux/netfilter_ipv6/ip6t_srh.h | 22 +--
net/ipv6/netfilter/ip6t_srh.c| 41 +++-
2 files changed, 60 insertions(+), 3 deletions(-)
diff --git a/include/uapi
This patch adds some test-cases to "libip6t_srh.t" for matching previous SID,
next SID, and last SID.
Signed-off-by: Ahmed Abdelsalam
---
extensions/libip6t_srh.t | 4
1 file changed, 4 insertions(+)
diff --git a/extensions/libip6t_srh.t b/extensions/libip6t_srh.t
index 08897d
This patch extends the libip6t_srh shared library to support matching
previous SID, next SID, and last SID.
Signed-off-by: Ahmed Abdelsalam
---
extensions/libip6t_srh.c| 65 -
include/linux/netfilter_ipv6/ip6t_srh.h | 22 ++-
2 files
On Sun, 22 Apr 2018 21:06:04 -0400 (EDT)
David Miller wrote:
> From: Ahmed Abdelsalam
> Date: Fri, 20 Apr 2018 15:58:05 +0200
>
> > In case of seg6 in encap mode, seg6_do_srh_encap() calls set_tun_src()
> > in order to set the src addr of outer IPv6 header.
> >
>
On Fri, 20 Apr 2018 15:38:08 +0100
David Lebrun wrote:
> On 04/20/2018 02:58 PM, Ahmed Abdelsalam wrote:
> > In case of seg6 in encap mode, seg6_do_srh_encap() calls set_tun_src()
> > in order to set the src addr of outer IPv6 header.
> >
> > The net_device
end trace 71af7d093603885c ]---
Fixes: 8936ef7604c11 ipv6: sr: fix NULL pointer dereference when setting encap
source address
Signed-off-by: Ahmed Abdelsalam
---
I tested the patch for IPv6 and IPv4 traffic
net/ipv6/seg6_iptunnel.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a
Hi Pablo,
> Hi Ahmed,
>
> On Thu, Jan 18, 2018 at 04:13:25PM +0100, Ahmed Abdelsalam wrote:
> [...]
> > diff --git a/include/uapi/linux/netfilter_ipv6/ip6t_inner6.h
> > b/include/uapi/linux/netfilter_ipv6/ip6t_inner6.h
> Matching at inner headers is a very useful
://tools.ietf.org/html/draft-ietf-6man-segment-routing-header-07
Signed-off-by: Ahmed Abdelsalam
---
include/uapi/linux/netfilter_ipv6/ip6t_inner6.h | 21
net/ipv6/netfilter/Kconfig | 10 ++
net/ipv6/netfilter/Makefile | 1 +
net/ipv6/netfilter/ip6t_inner6.c
This patch adds a new exetension to iptables to inner IPv6
packet 'inner6' match.
Signed-off-by: Ahmed Abdelsalam
---
extensions/libip6t_inner6.c| 111 +
extensions/libip6t_inner6.t| 4 ++
include/linux/netfilter_ipv6/ip6
()
(3) seg6_lookup_nexthop
Signed-off-by: Ahmed Abdelsalam
---
include/net/seg6.h| 5 +
net/ipv6/seg6_local.c | 37 -
2 files changed, 25 insertions(+), 17 deletions(-)
diff --git a/include/net/seg6.h b/include/net/seg6.h
index 099bad5..b637778 100644
This patch adds a new option CONFIG_IP6_NF_TARGET_SEG6 to
enable/disable support of iptables SEG6 target.
Signed-off-by: Ahmed Abdelsalam
---
net/ipv6/netfilter/Kconfig | 12
net/ipv6/netfilter/Makefile | 1 +
2 files changed, 13 insertions(+)
diff --git a/net/ipv6/netfilter
This patch adds some test cases for 'SEG6' target.
Signed-off-by: Ahmed Abdelsalam
---
extensions/libip6t_SEG6.t | 5 +
1 file changed, 5 insertions(+)
create mode 100644 extensions/libip6t_SEG6.t
diff --git a/extensions/libip6t_SEG6.t b/extensions/libip6t_SEG6.t
new file m
This patch adds a new exetension to iptables to supprt IPv6
segment routing 'SEG6' target.
Signed-off-by: Ahmed Abdelsalam
---
extensions/libip6t_SEG6.c| 122 +++
include/linux/netfilter_ipv6/ip6t_SEG6.h | 17 +
2 files changed, 139
html/draft-clad-spring-segment-routing-service-chaining-00
Signed-off-by: Ahmed Abdelsalam
---
include/uapi/linux/netfilter_ipv6/ip6t_SEG6.h | 18
net/ipv6/netfilter/ip6t_SEG6.c| 113 ++
2 files changed, 131 insertions(+)
create mode 100644 include/
On Wed, 10 Jan 2018 16:32:24 +0100
Pablo Neira Ayuso wrote:
> On Fri, Dec 29, 2017 at 12:08:25PM +0100, Ahmed Abdelsalam wrote:
> > This patch adds a new exetension to iptables to supprt 'srh' match
> > The implementation considers revision 7 of the SRH draft.
> &
On Sun, 7 Jan 2018 00:40:03 +0100
Pablo Neira Ayuso wrote:
> Hi Ahmed,
>
> On Fri, Dec 29, 2017 at 12:07:52PM +0100, Ahmed Abdelsalam wrote:
> > It allows matching packets based on Segment Routing Header
> > (SRH) information.
> > The implementation considers
On Thu, 04 Jan 2018 13:37:33 -0500 (EST)
David Miller wrote:
> From: Ahmed Abdelsalam
> Date: Sat, 30 Dec 2017 00:08:32 +0100
>
> > Some functions of seg6local are very useful to process SRv6
> > encapsulated packets
> >
> > This patch exports some functions
) seg6_lookup_nexthop
Signed-off-by: Ahmed Abdelsalam
---
Functions names are prefixed with seg6_
include/net/seg6.h| 5 +
net/ipv6/seg6_local.c | 37 -
2 files changed, 25 insertions(+), 17 deletions(-)
diff --git a/include/net/seg6.h b/include/net/seg6.h
index
On Fri, 29 Dec 2017 12:07:52 +0100
Ahmed Abdelsalam wrote:
> It allows matching packets based on Segment Routing Header
> (SRH) information.
> The implementation considers revision 7 of the SRH draft.
> https://tools.ietf.org/html/draft-ietf-6man-segment-routing-header-07
&g
Ok!
Thanks David
On Tue, 2 Jan 2018 20:11:48 +
David Lebrun wrote:
> On 12/29/2017 09:09 PM, Ahmed Abdelsalam wrote:
> > Some functions of seg6local are very useful to process SRv6
> > encapsulated packets.
> >
> > This patch exports some functions of seg6local
-off-by: Ahmed Abdelsalam
---
I'm writing some extensions to netfilter framework to support
Segment Routing. These function are useful to process
SR-encapsulated packets
include/net/seg6.h| 4
net/ipv6/seg6_local.c | 11 +++
2 files changed, 11 insertions(+), 4 deletions(-)
This patch adds a new exetension to iptables to supprt 'srh' match
The implementation considers revision 7 of the SRH draft.
https://tools.ietf.org/html/draft-ietf-6man-segment-routing-header-07
Signed-off-by: Ahmed Abdelsalam
---
extensions/libip6t_srh.c
Left
(4) Last Entry
(5) Tag value of SRH
Signed-off-by: Ahmed Abdelsalam
---
include/uapi/linux/netfilter_ipv6/ip6t_srh.h | 63 ++
net/ipv6/netfilter/Kconfig | 9 ++
net/ipv6/netfilter/Makefile | 1 +
net/ipv6/netfilter/ip6t_srh.c| 165
ot;reserved" field is changed to be "tag", In addition
a comment is added to the "first_segment" field, showing that it represents
the "Last Entry" field of the SRH.
Signed-off-by: Ahmed Abdelsalam
---
include/uapi/linux/seg6.h | 4 ++--
1 file changed, 2 inse
On Wed, 15 Nov 2017 09:55:32 +0900 (KST)
David Miller wrote:
> From: Ahmed Abdelsalam
> Date: Tue, 14 Nov 2017 15:31:48 +0100
>
> > Also it will not make sense to have the field name differnent from the
> > draft.
>
> That is the danger of defining user facing t
On Tue, 14 Nov 2017 14:14:01 +
Edward Cree wrote:
> On 14/11/17 12:37, David Miller wrote:
> > From: Ahmed Abdelsalam
> > Date: Sun, 12 Nov 2017 21:37:01 +0100
> >
> >> diff --git a/include/uapi/linux/seg6.h b/include/uapi/linux/seg6.h
> >> index 2f6
t also update the different parts of the kernel that were
using the old fields names.
Signed-off-by: Ahmed Abdelsalam
---
This patch is tested by re-compiling the whole kernel after the changes.
include/uapi/linux/seg6.h | 4 ++--
net/ipv6/exthdrs.c| 2 +-
net/ipv6/seg6.c |
).
This patch fixes the get_srh(), so it gets the segment routing header
regardless of its position in the chain of the extension headers in IPv6
packet, and makes sure that the IPv6 routing extension header is of Type 4.
Signed-off-by: Ahmed Abdelsalam
---
The patch is tested for IPv6 packets that
On Mon, 28 Aug 2017 19:48:15 +0100
David Lebrun wrote:
> On 08/28/2017 07:20 PM, Ahmed Abdelsalam wrote:
> > This patch fixes the get_srh(), so it gets the segment routing header
> > regardless of its position in the chain of the extension headers in IPv6
> > packet, and mak
).
This patch fixes the get_srh(), so it gets the segment routing header
regardless of its position in the chain of the extension headers in IPv6
packet, and makes sure that the IPv6 routing extension header is of
Type 4.
Signed-off-by: Ahmed Abdelsalam
---
net/ipv6/seg6_local.c | 16
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