diff options
| author |   Filip Varga <fivarga@cisco.com> | 2021-02-17 14:34:54 +0100 |
|---|---|---|
| committer |   Ole Tr�an <otroan@employees.org> | 2021-02-24 19:25:25 +0000 |
| commit | 0eaf4e6784efb2d058fe2f031578251b6bcc0aa8 (patch) | |
| tree | cc0c2b485bfee51068fa4970acc9f95ec595e8e5 /src/plugins/nat/lib/nat_inlines.h | |
| parent | 5db2f4a4312112ab57043ce88f10edc4acc141ec (diff) | |
nat: Final NAT44 EI/ED split patch
This patch achieves complete separation of
endpoint-dependent and endpoint-independent IPv4 NAT
features. Some common stuff is also moved to NAT
library.
Type: refactor
Change-Id: I52468b7e2b5ac28958a2baf8e2ea01787322e801
Signed-off-by: Filip Varga <fivarga@cisco.com>
Diffstat (limited to 'src/plugins/nat/lib/nat_inlines.h')
| -rw-r--r-- | src/plugins/nat/lib/nat_inlines.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/plugins/nat/lib/nat_inlines.h b/src/plugins/nat/lib/nat_inlines.h index c75b8043cc1..0bd7993ac04 100644 --- a/src/plugins/nat/lib/nat_inlines.h +++ b/src/plugins/nat/lib/nat_inlines.h @@ -77,6 +77,20 @@ mss_clamping (u16 mss_clamping, tcp_header_t * tcp, ip_csum_t * sum) } } +static_always_inline u16 +nat_random_port (u32 *random_seed, u16 min, u16 max) +{ + u32 rwide; + u16 r; + + rwide = random_u32 (random_seed); + r = rwide & 0xFFFF; + if (r >= min && r <= max) + return r; + + return min + (rwide % (max - min + 1)); +} + #endif /* __included_lib_nat_inlines_h__ */ /* |