diff options
| author |   John Lo <loj@cisco.com> | 2017-08-03 00:35:36 -0400 |
|---|---|---|
| committer |   Neale Ranns <nranns@cisco.com> | 2017-08-03 08:45:32 +0000 |
| commit | 8d00fff8dff4e449767601645422e03df92a83af (patch) | |
| tree | ba16f948bcd2bb65dec310876c5febd84fc85665 /src/vnet/l2/l2_fwd.c | |
| parent | a825c8bf5c641051b0cf71c63c3ddd269d90069b (diff) | |
Add support for API client to receive L2 MAC events
Added APIs want_l2_macs_events and l2_macs_event to allow an API
client to receive notification events from VPP for MAC learned
or aged in L2FIB. Only one API client is allowed for L2 MAC events.
The want_l2_macs_events API allow caller to specify MAC learn
limit, event scan delay and max number of MACs that can be included
in a event message. These parameters should be choosen properly as
to not have too many MAC events sent by VPP and overwhelm the API
share memory. They can all be left as 0's so VPP will setup reasonable
defaults which are: 1000 learn limit, 100 msec scan delay and 100
MACs per event message.
If want_l2_macs_events is never called, VPP learning and aging
should behave as before except that MAC entries provisioned by API
or CLI will not be aged, even if it is not set as static_mac. These
non static MACs, however, can be overwritten by MAC learning on a
MAC move as a leared MAC. Only learned MACs are subject to aging.
Change-Id: Ia3757a80cf8adb2811a089d2eafbd6439461285c
Signed-off-by: John Lo <loj@cisco.com>
Diffstat (limited to 'src/vnet/l2/l2_fwd.c')
| -rw-r--r-- | src/vnet/l2/l2_fwd.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/vnet/l2/l2_fwd.c b/src/vnet/l2/l2_fwd.c index 8140728b5e1..2bb7307c68c 100644 --- a/src/vnet/l2/l2_fwd.c +++ b/src/vnet/l2/l2_fwd.c @@ -141,8 +141,9 @@ l2fwd_process (vlib_main_t * vm, vnet_buffer (b0)->sw_if_index[VLIB_TX] = result0->fields.sw_if_index; *next0 = L2FWD_NEXT_L2_OUTPUT; int l2fib_seq_num_valid = 1; + /* check l2fib seq num for stale entries */ - if (!result0->fields.static_mac) + if (!result0->fields.age_not) { l2fib_seq_num_t in_sn = {.as_u16 = vnet_buffer (b0)->l2.l2fib_sn }; l2fib_seq_num_t expected_sn = { |