Fix BUG#47: Add simple controller failover to provide control plane
session redundancy.
Improved BUG#47: Add liveliness check of a peer using ECHO exchange
with non-zero XID.
Fix BUG#50: Change minimum configurable value of inactivity-timer for
OpenFlow control plane session to provide quick controller failover.
Change ofprotocol(8) man page to describe failover.
Remove monolithic OpenFlow switch.
Add userspace datapath.
Fix BUG#13: Revise check wildcards for in_port != out_port output
validation.
Fix BUG#30: Made use of get_jiffies_64 instead of jiffies.
Fix BUG#31: Fix NetFPGA crash in case of test_delete test harness run.
Fix BUG#32: Add stack depth limitation to avoid inifinite loop in
log_backtrace.
Fix BUG#33: Improve NetFPGA kernel extension and NetFPGA image to
support MAC address rewrite features (two actions) on NetFPGA enabled
OpenFlow switch.
Fix BUG#34: Add NetFPGA kernel extension source codes to create
distribution package with NetFPGA correctly.
Fix BUG#38: Improve regression test for FLOW_MOD ACTION SET_DL_SRC and
SET_DL_DST.
Fix BUG#39: Correct misunderstanding of byte order ops for OFPAT_XXX.
When a network link is flooded with traffic, secchan's OpenFlow socket
queue becomes congested with traffic. This leaves no room for replies
to OpenFlow requests relayed to that socket by secchan.
This commit modifies secchan to use separate sockets for asynchronous
traffic and for OpenFlow requests/replies, which should avoid the problem.
Glen Gibb
Mikio Hara
Ben Pfaff