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Add IP(V6)_VLAN_PCP to set 802.1 priority per-flow. 

This adds a new IP_PROTO / IPV6_PROTO setsockopt (getsockopt)
option IP(V6)_VLAN_PCP, which can be set to -1 (interface
default), or explicitly to any priority between 0 and 7.

Note that for untagged traffic, explicitly adding a
priority will insert a special 801.1Q vlan header with
vlan ID = 0 to carry the priority setting

Reviewed by:	gallatin, rrs
MFC after:	2 weeks
Sponsored by:	NetApp, Inc.
Differential Revision:	https://reviews.freebsd.org/D26409
This commit is contained in:
Richard Scheffenegger 2020-10-09 12:06:43 +00:00 committed by Sebastian Huber
parent ec997fae0e
commit 3f0cc70c13
2 changed files with 8 additions and 0 deletions
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4
newlib/libc/sys/rtems/include/netinet/in.h
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@ -483,6 +483,10 @@ __END_DECLS
/* The following option is private; do not use it from user applications. */ /* The following option is private; do not use it from user applications. */
#define IP_MSFILTER 74 /* set/get filter list */ #define IP_MSFILTER 74 /* set/get filter list */
/* The following option deals with the 802.1Q Ethernet Priority Code Point */
#define IP_VLAN_PCP 75 /* int; set/get PCP used for packet, */
/* -1 use interface default */
/* Protocol Independent Multicast API [RFC3678] */ /* Protocol Independent Multicast API [RFC3678] */
#define MCAST_JOIN_GROUP 80 /* join an any-source group */ #define MCAST_JOIN_GROUP 80 /* join an any-source group */
#define MCAST_LEAVE_GROUP 81 /* leave all sources for group */ #define MCAST_LEAVE_GROUP 81 /* leave all sources for group */

4
newlib/libc/sys/rtems/include/netinet6/in6.h
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@ -387,6 +387,10 @@ struct route_in6 {
* set/get multicast source filter list. * set/get multicast source filter list.
*/ */
/* The following option deals with the 802.1Q Ethernet Priority Code Point */
#define IPV6_VLAN_PCP 75 /* int; set/get PCP used for packet, */
/* -1 use interface default */
/* to define items, should talk with KAME guys first, for *BSD compatibility */ /* to define items, should talk with KAME guys first, for *BSD compatibility */
#define IPV6_RTHDR_LOOSE 0 /* this hop need not be a neighbor. XXX old spec */ #define IPV6_RTHDR_LOOSE 0 /* this hop need not be a neighbor. XXX old spec */