This patchset improves the IPv6 extension header infrastructure
to make extension headers more usable and scalable.
- Reorganize extension header files to separate out common
API components
- Create common TLV handler that will can be used in other use
cases (e.g. segment routing TLVs, UDP options)
- Allow registration of TLV handlers
- Elaborate on the TLV tables to include more characteristics
- Add a netlink interface to set TLV parameters (such as
alignment requirements, authorization to send, etc.)
- Enhance validation of TLVs being sent. Validation is strict
(unless overridden by admin) following that sending clause
of the robustness principle
- Allow non-privileged users to set Hop-by-Hop and Destination
Options if authorized by the admin
The following are changes since commit c76c992525245ec1c7b6738bf887c42099abab02:
nexthops: remove redundant assignment to variable err
and are available in the git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue 1GbE
Tom Herbert (7):
ipeh: Create exthdrs_options.c and ipeh.h
ipeh: Move generic EH functions to exthdrs_common.c
ipeh: Generic TLV parser
ip6tlvs: Registration of TLV handlers and parameters
ip6tlvs: Add TX parameters
ip6tlvs: Add netlink interface
ip6tlvs: Validation of TX Destination and Hop-by-Hop options
include/net/ipeh.h | 208 +++++++
include/net/ipv6.h | 12 +-
include/uapi/linux/in6.h | 6 +
include/uapi/linux/ipeh.h | 53 ++
net/dccp/ipv6.c | 2 +-
net/ipv6/Kconfig | 4 +
net/ipv6/Makefile | 3 +-
net/ipv6/calipso.c | 6 +-
net/ipv6/datagram.c | 51 +-
net/ipv6/exthdrs.c | 505 ++--------------
net/ipv6/exthdrs_common.c | 1158 ++++++++++++++++++++++++++++++++++++
net/ipv6/exthdrs_options.c | 342 +++++++++++
net/ipv6/ipv6_sockglue.c | 39 +-
net/ipv6/raw.c | 2 +-
net/ipv6/tcp_ipv6.c | 2 +-
net/ipv6/udp.c | 2 +-
net/l2tp/l2tp_ip6.c | 2 +-
net/sctp/ipv6.c | 2 +-
18 files changed, 1881 insertions(+), 518 deletions(-)
create mode 100644 include/net/ipeh.h
create mode 100644 include/uapi/linux/ipeh.h
create mode 100644 net/ipv6/exthdrs_common.c
create mode 100644 net/ipv6/exthdrs_options.c
--
2.21.0
