ich777/linux_media
1
0
Fork 0
mirror of https://github.com/tbsdtv/linux_media.git synced 2025-07-24 05:01:03 +02:00
Code Issues Packages Projects Releases Wiki Activity

sctp: add support for dscp and flowlabel per transport

Browse Source 
Like some other per transport params, flowlabel and dscp are added
in transport, asoc and sctp_sock. By default, transport sets its
value from asoc's, and asoc does it from sctp_sock. flowlabel
only works for ipv6 transport.

Other than that they need to be passed down in sctp_xmit, flow4/6
also needs to set them before looking up route in get_dst.

Note that it uses '& 0x100000' to check if flowlabel is set and
'& 0x1' (tos 1st bit is unused) to check if dscp is set by users,
so that they could be set to 0 by sockopt in next patch.

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Xin Long
2018-07-02 18:21:12 +08:00
committed by David S. Miller
parent 69b9e1e07d
commit 8a9c58d28d
5 changed files with 44 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
include/linux/sctp.h
View File

@@ -801,4 +801,11 @@ struct sctp_strreset_resptsn {
__be32 receivers_next_tsn;
};
enum {
SCTP_DSCP_SET_MASK = 0x1,
SCTP_DSCP_VAL_MASK = 0xfc,
SCTP_FLOWLABEL_SET_MASK = 0x100000,
SCTP_FLOWLABEL_VAL_MASK = 0xfffff
};
#endif /* __LINUX_SCTP_H__ */