diff options
| author | Damjan Jovanovic <damjan.jov@gmail.com> | 2024-12-06 09:31:58 +0000 |
|---|---|---|
| committer | Tom Jones <thj@FreeBSD.org> | 2024-12-06 09:31:58 +0000 |
| commit | f132be9bac5f29e844e8dde4f3a70f4c3c158221 (patch) | |
| tree | e0bdb34b07bfbcffe45277779ddd2a21e8fed0bf | |
| parent | cb21fa3d0d2640a6f48a21c406cac9dd07681052 (diff) | |
netgraph: Enable support for EIM NAT
Enable support for endpoint-independent mapping ("full cone NAT") via
Libalias's UDP NAT.
Reviewed by: igoro, thj
Differential Revision: https://reviews.freebsd.org/D46689
| -rw-r--r-- | share/man/man4/ng_nat.4 | 3 | ||||
| -rw-r--r-- | sys/netgraph/ng_nat.c | 2 | ||||
| -rw-r--r-- | sys/netgraph/ng_nat.h | 1 |
3 files changed, 5 insertions, 1 deletions
diff --git a/share/man/man4/ng_nat.4 b/share/man/man4/ng_nat.4 index bf9ec4052733..20042db7a1af 100644 --- a/share/man/man4/ng_nat.4 +++ b/share/man/man4/ng_nat.4 @@ -22,7 +22,7 @@ .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" -.Dd January 24, 2021 +.Dd December 6, 2024 .Dt NG_NAT 4 .Os .Sh NAME @@ -74,6 +74,7 @@ struct ng_nat_mode { #define NG_NAT_PROXY_ONLY 0x40 #define NG_NAT_REVERSE 0x80 #define NG_NAT_UNREGISTERED_CGN 0x100 +#define NG_NAT_UDP_EIM 0x200 .Ed .Pp The corresponding libalias flags can be found by replacing the diff --git a/sys/netgraph/ng_nat.c b/sys/netgraph/ng_nat.c index e9de0e5b60c8..defbe817becd 100644 --- a/sys/netgraph/ng_nat.c +++ b/sys/netgraph/ng_nat.c @@ -967,6 +967,8 @@ ng_nat_translate_flags(unsigned int x) res |= PKT_ALIAS_REVERSE; if (x & NG_NAT_UNREGISTERED_CGN) res |= PKT_ALIAS_UNREGISTERED_CGN; + if (x & NG_NAT_UDP_EIM) + res |= PKT_ALIAS_UDP_EIM; return (res); } diff --git a/sys/netgraph/ng_nat.h b/sys/netgraph/ng_nat.h index 73f09459a84c..9b092b7749f0 100644 --- a/sys/netgraph/ng_nat.h +++ b/sys/netgraph/ng_nat.h @@ -53,6 +53,7 @@ struct ng_nat_mode { #define NG_NAT_PROXY_ONLY 0x40 #define NG_NAT_REVERSE 0x80 #define NG_NAT_UNREGISTERED_CGN 0x100 +#define NG_NAT_UDP_EIM 0x200 #define NG_NAT_DESC_LENGTH 64 #define NG_NAT_REDIRPROTO_ADDR (IPPROTO_MAX + 3) /* LibAlias' LINK_ADDR, also unused in in.h */ |