Now dscp and flowlabel are set from sock when sending the packets,
but being multi-homing, sctp also supports for dscp and flowlabel
per transport, which is described in section 8.1.12 in RFC6458.
v1->v2:
- define ip_queue_xmit as inline in net/ip.h, instead of exporting
it in Patch 1/5 according to David's suggestion.
- fix the param len check in sctp_s/getsockopt_peer_addr_params()
in Patch 3/5 to guarantee that an old app built with old kernel
headers could work on the newer kernel per Marcelo's point.
Xin Long (5):
ipv4: add __ip_queue_xmit() that supports tos param
sctp: add support for dscp and flowlabel per transport
sctp: add spp_ipv6_flowlabel and spp_dscp for sctp_paddrparams
sctp: add support for setting flowlabel when adding a transport
sctp: check for ipv6_pinfo legal sndflow with flowlabel in
sctp_v6_get_dst
include/linux/sctp.h | 7 ++
include/net/ip.h | 9 ++-
include/net/sctp/structs.h | 9 +++
include/uapi/linux/sctp.h | 4 +
net/ipv4/ip_output.c | 9 ++-
net/sctp/associola.c | 15 ++++
net/sctp/ipv6.c | 20 ++++-
net/sctp/protocol.c | 16 +++-
net/sctp/socket.c | 182 +++++++++++++++++++++++++++++++++++++++++++--
9 files changed, 254 insertions(+), 17 deletions(-)
--
2.1.0
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