diff options
| author |   Klement Sekera <ksekera@cisco.com> | 2021-02-17 18:48:35 +0100 |
|---|---|---|
| committer |   Ole Tr�an <otroan@employees.org> | 2021-02-26 13:15:32 +0000 |
| commit | 5599fc2dae024bcf150fa4b3b4584e19419f8079 (patch) | |
| tree | eb5f6ac95b62de0cf2e017ad04340ee391c4e6f2 /src/plugins/nat/nat44-ed/nat44_ed.c | |
| parent | e7a80a98bc1deba86a41cf66280101766e04a310 (diff) | |
nat: optimize flow matching in ED NAT
This saves 6 clocks in nat44-ed-in2out node. (112->106 per packet)
Type: improvement
Signed-off-by: Klement Sekera <ksekera@cisco.com>
Change-Id: I48e757e7f4b6b0d250a432a4659fe6955fc52a07
Diffstat (limited to 'src/plugins/nat/nat44-ed/nat44_ed.c')
| -rw-r--r-- | src/plugins/nat/nat44-ed/nat44_ed.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/plugins/nat/nat44-ed/nat44_ed.c b/src/plugins/nat/nat44-ed/nat44_ed.c index d9d35fc55bc..fcc3e6bf0b5 100644 --- a/src/plugins/nat/nat44-ed/nat44_ed.c +++ b/src/plugins/nat/nat44-ed/nat44_ed.c @@ -3318,15 +3318,15 @@ nat_6t_l3_l4_csum_calc (nat_6t_flow_t *f) f->rewrite.dport = f->match.dport; } if (f->ops & NAT_FLOW_OP_ICMP_ID_REWRITE && - f->rewrite.icmp_id != f->match.icmp_id) + f->rewrite.icmp_id != f->match.sport) { f->l4_csum_delta = ip_csum_add_even (f->l4_csum_delta, f->rewrite.icmp_id); - f->l4_csum_delta = ip_csum_sub_even (f->l4_csum_delta, f->match.icmp_id); + f->l4_csum_delta = ip_csum_sub_even (f->l4_csum_delta, f->match.sport); } else { - f->rewrite.icmp_id = f->match.icmp_id; + f->rewrite.icmp_id = f->match.sport; } if (f->ops & NAT_FLOW_OP_TXFIB_REWRITE) { |