diff options
| author |   Juraj Sloboda <jsloboda@cisco.com> | 2017-04-05 15:59:21 +0200 |
|---|---|---|
| committer |   Damjan Marion <dmarion.lists@gmail.com> | 2017-04-12 17:17:18 +0000 |
| commit | 30d857cd07785461f993ec4a935d99af75673f4a (patch) | |
| tree | 11495b013158a4a44dbfee58c1f5ce71f46b658d /src/plugins/snat/snat_det.h | |
| parent | 6fb41fa52b559d2f6dda02d8739bcd54fbeb6c4f (diff) | |
Handle multiple flows with the same client port in deterministic NAT
Handle situation when client tries to connect to multiple hosts/ports
from the same client port. Extend matching to include remote host/port
when searching for existing session and create session for each flow
even when originating from the same client port.
Change-Id: I4f54ded930e59e7196843c6bc1d2d2386c57cd3c
Signed-off-by: Juraj Sloboda <jsloboda@cisco.com>
Diffstat (limited to 'src/plugins/snat/snat_det.h')
| -rw-r--r-- | src/plugins/snat/snat_det.h | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/src/plugins/snat/snat_det.h b/src/plugins/snat/snat_det.h index 42ce87608b5..45e36829a20 100644 --- a/src/plugins/snat/snat_det.h +++ b/src/plugins/snat/snat_det.h @@ -125,16 +125,20 @@ snat_det_get_ses_by_out (snat_det_map_t * dm, ip4_address_t * in_addr, } always_inline snat_det_session_t * -snat_det_find_ses_by_in (snat_det_map_t * dm, - ip4_address_t * in_addr, u16 in_port) +snat_det_find_ses_by_in (snat_det_map_t * dm, ip4_address_t * in_addr, + u16 in_port, snat_det_out_key_t out_key) { + snat_det_session_t *ses; u32 user_offset; u16 i; user_offset = snat_det_user_ses_offset (in_addr, dm->in_plen); for (i = 0; i < SNAT_DET_SES_PER_USER; i++) { - if (dm->sessions[i + user_offset].in_port == in_port) + ses = &dm->sessions[i + user_offset]; + if (ses->in_port == in_port && + ses->out.ext_host_addr.as_u32 == out_key.ext_host_addr.as_u32 && + ses->out.ext_host_port == out_key.ext_host_port) return &dm->sessions[i + user_offset]; } |