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authorKlement Sekera <ksekera@cisco.com>2020-06-22 12:52:29 +0000
committerKlement Sekera <ksekera@cisco.com>2020-06-22 12:58:00 +0000
commit1523c347d8f9e2a628d733e97f76d39b879861f0 (patch)
tree24bd9381526b71e29cbc35965dee575b8ef6ebc9 /src/plugins/nat
parent4128c7b463d44b589a3443e3058d40cad037e11b (diff)
nat: set buf error if can't create user
Type: fix Signed-off-by: Klement Sekera <ksekera@cisco.com> Change-Id: I747d78966a7296dcbae54d54b0c165d407c8863d
Diffstat (limited to 'src/plugins/nat')
-rw-r--r--src/plugins/nat/in2out.c5
-rw-r--r--src/plugins/nat/in2out_ed.c16
-rw-r--r--src/plugins/nat/nat.h10
-rw-r--r--src/plugins/nat/out2in.c5
4 files changed, 9 insertions, 27 deletions
diff --git a/src/plugins/nat/in2out.c b/src/plugins/nat/in2out.c
index b8febc17c99..f904d02b344 100644
--- a/src/plugins/nat/in2out.c
+++ b/src/plugins/nat/in2out.c
@@ -94,8 +94,7 @@ _(UDP_PACKETS, "UDP packets") \
_(ICMP_PACKETS, "ICMP packets") \
_(OTHER_PACKETS, "other protocol packets") \
_(FRAGMENTS, "fragments") \
-_(CACHED_FRAGMENTS, "cached fragments") \
-_(PROCESSED_FRAGMENTS, "processed fragments")
+_(CANNOT_CREATE_USER, "cannot create NAT user")
typedef enum
{
@@ -312,7 +311,7 @@ slow_path (snat_main_t * sm, vlib_buffer_t * b0,
thread_index);
if (!u)
{
- nat_elog_warn ("create NAT user failed");
+ b0->error = node->errors[SNAT_IN2OUT_ERROR_CANNOT_CREATE_USER];
return SNAT_IN2OUT_NEXT_DROP;
}
diff --git a/src/plugins/nat/in2out_ed.c b/src/plugins/nat/in2out_ed.c
index 19b128864f0..e5f29e4b445 100644
--- a/src/plugins/nat/in2out_ed.c
+++ b/src/plugins/nat/in2out_ed.c
@@ -368,12 +368,7 @@ slow_path_ed (snat_main_t * sm,
&sm_fib_index, 0, 0, 0, &lb, 0, &identity_nat))
{
s = nat_ed_session_alloc (sm, thread_index, now, proto);
- if (!s)
- {
- nat_elog_warn ("create NAT session failed");
- b->error = node->errors[NAT_IN2OUT_ED_ERROR_MAX_USER_SESS_EXCEEDED];
- return NAT_NEXT_DROP;
- }
+ ASSERT (s);
s->in2out.addr = l_addr;
s->in2out.port = l_port;
s->nat_proto = nat_proto;
@@ -418,12 +413,7 @@ slow_path_ed (snat_main_t * sm,
return next;
}
s = nat_ed_session_alloc (sm, thread_index, now, proto);
- if (!s)
- {
- nat_elog_warn ("create NAT session failed");
- b->error = node->errors[NAT_IN2OUT_ED_ERROR_MAX_USER_SESS_EXCEEDED];
- return NAT_NEXT_DROP;
- }
+ ASSERT (s);
s->out2in.addr = sm_addr;
s->out2in.port = sm_port;
s->in2out.addr = l_addr;
@@ -863,7 +853,7 @@ nat44_ed_in2out_unknown_proto (snat_main_t * sm,
s = nat_ed_session_alloc (sm, thread_index, now, ip->protocol);
if (!s)
{
- b->error = node->errors[NAT_IN2OUT_ED_ERROR_MAX_USER_SESS_EXCEEDED];
+ b->error = node->errors[NAT_IN2OUT_ED_ERROR_MAX_SESSIONS_EXCEEDED];
nat_elog_warn ("create NAT session failed");
return 0;
}
diff --git a/src/plugins/nat/nat.h b/src/plugins/nat/nat.h
index d5b236dac01..1885ab57df7 100644
--- a/src/plugins/nat/nat.h
+++ b/src/plugins/nat/nat.h
@@ -154,18 +154,14 @@ _(IN2OUT_PACKETS, "good in2out packets processed") \
_(OUT_OF_PORTS, "out of ports") \
_(BAD_ICMP_TYPE, "unsupported ICMP type") \
_(MAX_SESSIONS_EXCEEDED, "maximum sessions exceeded") \
-_(MAX_USER_SESS_EXCEEDED, "max user sessions exceeded") \
_(DROP_FRAGMENT, "drop fragment") \
-_(CANNOT_CREATE_USER, "cannot create NAT user") \
_(NON_SYN, "non-SYN packet try to create session") \
_(TCP_PACKETS, "TCP packets") \
_(TCP_CLOSED, "drops due to TCP in transitory timeout") \
_(UDP_PACKETS, "UDP packets") \
_(ICMP_PACKETS, "ICMP packets") \
_(OTHER_PACKETS, "other protocol packets") \
-_(FRAGMENTS, "fragments") \
-_(CACHED_FRAGMENTS, "cached fragments") \
-_(PROCESSED_FRAGMENTS, "processed fragments")
+_(FRAGMENTS, "fragments")
typedef enum
{
@@ -191,9 +187,7 @@ _(TCP_CLOSED, "drops due to TCP in transitory timeout") \
_(UDP_PACKETS, "UDP packets") \
_(ICMP_PACKETS, "ICMP packets") \
_(OTHER_PACKETS, "other protocol packets") \
-_(FRAGMENTS, "fragments") \
-_(CACHED_FRAGMENTS, "cached fragments") \
-_(PROCESSED_FRAGMENTS, "processed fragments")
+_(FRAGMENTS, "fragments")
typedef enum
{
diff --git a/src/plugins/nat/out2in.c b/src/plugins/nat/out2in.c
index 57e658ba0c4..071e16d4416 100644
--- a/src/plugins/nat/out2in.c
+++ b/src/plugins/nat/out2in.c
@@ -85,8 +85,7 @@ _(UDP_PACKETS, "UDP packets") \
_(ICMP_PACKETS, "ICMP packets") \
_(OTHER_PACKETS, "other protocol packets") \
_(FRAGMENTS, "fragments") \
-_(CACHED_FRAGMENTS, "cached fragments") \
-_(PROCESSED_FRAGMENTS, "processed fragments")
+_(CANNOT_CREATE_USER, "cannot create NAT user")
typedef enum
{
@@ -206,7 +205,7 @@ create_session_for_static_mapping (snat_main_t * sm,
u = nat_user_get_or_create (sm, &i2o_addr, i2o_fib_index, thread_index);
if (!u)
{
- nat_elog_warn ("create NAT user failed");
+ b0->error = node->errors[SNAT_OUT2IN_ERROR_CANNOT_CREATE_USER];
return 0;
}