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authorFahad Naeem <fahadnaeemkhan@gmail.com>2022-05-10 01:03:52 -0500
committerOle Tr�an <otroan@employees.org>2022-05-12 07:30:33 +0000
commit0891b6aa449cca525b61d0cc23759b2efcd158dc (patch)
treed2010d7871c420fd9631ec3ea57e62eba738e52e /src/plugins/nat/pnat
parente2159bd2d3721592edee90a511647f83ea9a4781 (diff)
pnat: add support to wildcard IP Protocol field if not specified
- add pnat_binding_add_v2 which explicitly requires match mask to set to PNAT_PROTO if we want to match on IP Protocol - fix pnat_binding_add backward compatibility i.e. no need to set match mast to PNAT_PROTO Type: improvement Signed-off-by: Fahad Naeem <fahadnaeemkhan@gmail.com> Change-Id: I5a23244be55b7d4c10552c555881527a4b2f325f
Diffstat (limited to 'src/plugins/nat/pnat')
-rw-r--r--src/plugins/nat/pnat/pnat.api18
-rw-r--r--src/plugins/nat/pnat/pnat.c4
-rw-r--r--src/plugins/nat/pnat/pnat_api.c15
-rw-r--r--src/plugins/nat/pnat/pnat_cli.c6
4 files changed, 39 insertions, 4 deletions
diff --git a/src/plugins/nat/pnat/pnat.api b/src/plugins/nat/pnat/pnat.api
index b6632159d7c..de555c41412 100644
--- a/src/plugins/nat/pnat/pnat.api
+++ b/src/plugins/nat/pnat/pnat.api
@@ -26,6 +26,7 @@ enum pnat_mask
PNAT_DPORT = 0x8,
PNAT_COPY_BYTE = 0x10,
PNAT_CLEAR_BYTE = 0x20,
+ PNAT_PROTO = 0x40,
};
enum pnat_attachment_point
@@ -65,6 +66,7 @@ autoendian define pnat_binding_add
vl_api_pnat_rewrite_tuple_t rewrite;
};
+
autoendian define pnat_binding_add_reply
{
u32 context;
@@ -72,6 +74,22 @@ autoendian define pnat_binding_add_reply
u32 binding_index;
};
+autoendian define pnat_binding_add_v2
+{
+ u32 client_index;
+ u32 context;
+ vl_api_pnat_match_tuple_t match;
+ vl_api_pnat_rewrite_tuple_t rewrite;
+};
+
+
+autoendian define pnat_binding_add_v2_reply
+{
+ u32 context;
+ i32 retval;
+ u32 binding_index;
+};
+
autoendian autoreply define pnat_binding_del
{
u32 client_index;
diff --git a/src/plugins/nat/pnat/pnat.c b/src/plugins/nat/pnat/pnat.c
index 547b063f286..2b4a6b49e96 100644
--- a/src/plugins/nat/pnat/pnat.c
+++ b/src/plugins/nat/pnat/pnat.c
@@ -56,7 +56,9 @@ static pnat_mask_fast_t pnat_mask2fast(pnat_mask_t lookup_mask) {
m.as_u64[0] = 0xffffffff00000000;
if (lookup_mask & PNAT_DA)
m.as_u64[0] |= 0x00000000ffffffff;
- m.as_u64[1] = 0xffffffff00000000;
+ m.as_u64[1] = 0x00ffffff00000000;
+ if (lookup_mask & PNAT_PROTO)
+ m.as_u64[1] |= 0xff00000000000000;
if (lookup_mask & PNAT_SPORT)
m.as_u64[1] |= 0x00000000ffff0000;
if (lookup_mask & PNAT_DPORT)
diff --git a/src/plugins/nat/pnat/pnat_api.c b/src/plugins/nat/pnat/pnat_api.c
index 35a73955b33..02e61219d1e 100644
--- a/src/plugins/nat/pnat/pnat_api.c
+++ b/src/plugins/nat/pnat/pnat_api.c
@@ -36,12 +36,27 @@ static void vl_api_pnat_binding_add_t_handler(vl_api_pnat_binding_add_t *mp) {
pnat_main_t *pm = &pnat_main;
vl_api_pnat_binding_add_reply_t *rmp;
u32 binding_index;
+
+ // for backward compatibility
+ if (mp->match.proto == 0)
+ mp->match.mask |= PNAT_PROTO;
+
int rv = pnat_binding_add(&mp->match, &mp->rewrite, &binding_index);
REPLY_MACRO2_END(VL_API_PNAT_BINDING_ADD_REPLY,
({ rmp->binding_index = binding_index; }));
}
static void
+vl_api_pnat_binding_add_v2_t_handler(vl_api_pnat_binding_add_t *mp) {
+ pnat_main_t *pm = &pnat_main;
+ vl_api_pnat_binding_add_reply_t *rmp;
+ u32 binding_index;
+ int rv = pnat_binding_add(&mp->match, &mp->rewrite, &binding_index);
+ REPLY_MACRO2_END(VL_API_PNAT_BINDING_ADD_V2_REPLY,
+ ({ rmp->binding_index = binding_index; }));
+}
+
+static void
vl_api_pnat_binding_attach_t_handler(vl_api_pnat_binding_attach_t *mp) {
pnat_main_t *pm = &pnat_main;
vl_api_pnat_binding_attach_reply_t *rmp;
diff --git a/src/plugins/nat/pnat/pnat_cli.c b/src/plugins/nat/pnat/pnat_cli.c
index 082f0778acb..ce9beee540d 100644
--- a/src/plugins/nat/pnat/pnat_cli.c
+++ b/src/plugins/nat/pnat/pnat_cli.c
@@ -122,6 +122,8 @@ uword unformat_pnat_match_tuple(unformat_input_t *input, va_list *args) {
t->mask |= PNAT_SA;
else if (unformat(input, "dst %U", unformat_ip4_address, &t->dst))
t->mask |= PNAT_DA;
+ else if (unformat(input, "proto %U", unformat_ip_protocol, &t->proto))
+ t->mask |= PNAT_PROTO;
else if (unformat(input, "sport %d", &sport)) {
if (sport == 0 || sport > 65535)
return 0;
@@ -132,9 +134,7 @@ uword unformat_pnat_match_tuple(unformat_input_t *input, va_list *args) {
return 0;
t->mask |= PNAT_DPORT;
t->dport = dport;
- } else if (unformat(input, "proto %U", unformat_ip_protocol, &t->proto))
- ;
- else
+ } else
break;
}
return 1;