ebpf offload: bump size of ipv4 tethering maps

For ipv6 we need 1 entry per client, so 64 seems like plenty,
while for ipv4 we need 1 entry per flow, so even 1024 seems
like it might not be enough, but it's much better than 64.

Nucca says:
  # cat proc/sys/net/netfilter/nf_conntrack_buckets
  65536
  # cat proc/sys/net/netfilter/nf_conntrack_max
  262144

  per https://www.kernel.org/doc/Documentation/networking/nf_conntrack-sysctl.txt
  the default “nf_conntrack_max” is “nf_conntrack_buckets * 4”.

Test: TreeHugger
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: Ib7d1d8c19bc688c442d842cf5c9f45cdf1241754
1 file changed
tree: 7465228494ec9a2b200cf4dc9db05ec6d18b77ed
  1. tests/
  2. Tethering/
  3. .gitignore
  4. OWNERS
  5. PREUPLOAD.cfg
  6. TEST_MAPPING