[jpirko/libteam] c18a63: teamd: lacp: use original hwaddr as source address...

[GitHub]

Branch: refs/heads/master
  Home:   https://github.com/jpirko/libteam
  Commit: c18a6349a7bd0a2d41d0193128b95a520479591f
      https://github.com/jpirko/libteam/commit/c18a6349a7bd0a2d41d0193128b95a52047...
  Author: Eric Kinzie 
  Date:   2016-04-15 (Fri, 15 Apr 2016)

Changed paths:
    M teamd/teamd.h
    M teamd/teamd_common.c
    M teamd/teamd_runner_lacp.c

Log Message:
  -----------
  teamd: lacp: use original hwaddr as source address in lacpdus

The team lacp runner sets the mac addresses of all member interfaces
to be the same value.  However, LACPDUs should carry an interface's
original (individual) MAC address.

The Addressing section (5.2.10 in 802.1ax) explains this:
  Protocol entities sourcing frames from within the Link Aggregation
  sublayer (e.g., LACP and the Marker protocol) use the MAC address
  of the MAC within an underlying port as the source address in
  frames transmitted through that port.  The MAC Client sees only
  the Aggregator and not the underlying MACs, and therefore uses
  the Aggregator's MAC address as the source address in transmitted
  frames.

Signed-off-by: Eric Kinzie 
Signed-off-by: Jiri Pirko