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-rw-r--r--src/plugins/nat/nat44-ed/nat44_ed.c10
-rw-r--r--src/plugins/nat/nat44-ei/nat44_ei.c32
-rw-r--r--src/plugins/nat/nat64/nat64.c18
3 files changed, 36 insertions, 24 deletions
diff --git a/src/plugins/nat/nat44-ed/nat44_ed.c b/src/plugins/nat/nat44-ed/nat44_ed.c
index 9c797536fb6..27c1870ccef 100644
--- a/src/plugins/nat/nat44-ed/nat44_ed.c
+++ b/src/plugins/nat/nat44-ed/nat44_ed.c
@@ -761,9 +761,9 @@ get_thread_idx_by_port (u16 e_port)
u32 thread_idx = sm->num_workers;
if (sm->num_workers > 1)
{
- thread_idx =
- sm->first_worker_index +
- sm->workers[(e_port - 1024) / sm->port_per_thread];
+ thread_idx = sm->first_worker_index +
+ sm->workers[(e_port - 1024) / sm->port_per_thread %
+ _vec_len (sm->workers)];
}
return thread_idx;
}
@@ -3166,9 +3166,7 @@ nat44_ed_get_out2in_worker_index (vlib_buffer_t *b, ip4_header_t *ip,
}
/* worker by outside port */
- next_worker_index = sm->first_worker_index;
- next_worker_index +=
- sm->workers[(clib_net_to_host_u16 (port) - 1024) / sm->port_per_thread];
+ next_worker_index = get_thread_idx_by_port (clib_net_to_host_u16 (port));
done:
nat_elog_debug_handoff (sm, "HANDOFF OUT2IN", next_worker_index,
diff --git a/src/plugins/nat/nat44-ei/nat44_ei.c b/src/plugins/nat/nat44-ei/nat44_ei.c
index 30c61b21d91..4f2fa6112d5 100644
--- a/src/plugins/nat/nat44-ei/nat44_ei.c
+++ b/src/plugins/nat/nat44-ei/nat44_ei.c
@@ -1684,6 +1684,20 @@ nat44_ei_get_in2out_worker_index (ip4_header_t *ip0, u32 rx_fib_index0,
}
u32
+nat44_ei_get_thread_idx_by_port (u16 e_port)
+{
+ nat44_ei_main_t *nm = &nat44_ei_main;
+ u32 thread_idx = nm->num_workers;
+ if (nm->num_workers > 1)
+ {
+ thread_idx = nm->first_worker_index +
+ nm->workers[(e_port - 1024) / nm->port_per_thread %
+ _vec_len (nm->workers)];
+ }
+ return thread_idx;
+}
+
+u32
nat44_ei_get_out2in_worker_index (vlib_buffer_t *b, ip4_header_t *ip0,
u32 rx_fib_index0, u8 is_output)
{
@@ -1761,9 +1775,8 @@ nat44_ei_get_out2in_worker_index (vlib_buffer_t *b, ip4_header_t *ip0,
}
/* worker by outside port */
- next_worker_index = nm->first_worker_index;
- next_worker_index +=
- nm->workers[(clib_net_to_host_u16 (port) - 1024) / nm->port_per_thread];
+ next_worker_index =
+ nat44_ei_get_thread_idx_by_port (clib_net_to_host_u16 (port));
return next_worker_index;
}
@@ -2050,19 +2063,6 @@ nat44_ei_del_session (nat44_ei_main_t *nm, ip4_address_t *addr, u16 port,
return VNET_API_ERROR_NO_SUCH_ENTRY;
}
-u32
-nat44_ei_get_thread_idx_by_port (u16 e_port)
-{
- nat44_ei_main_t *nm = &nat44_ei_main;
- u32 thread_idx = nm->num_workers;
- if (nm->num_workers > 1)
- {
- thread_idx = nm->first_worker_index +
- nm->workers[(e_port - 1024) / nm->port_per_thread];
- }
- return thread_idx;
-}
-
void
nat44_ei_add_del_addr_to_fib (ip4_address_t *addr, u8 p_len, u32 sw_if_index,
int is_add)
diff --git a/src/plugins/nat/nat64/nat64.c b/src/plugins/nat/nat64/nat64.c
index 1c1cdfba3fb..79e9da03a1e 100644
--- a/src/plugins/nat/nat64/nat64.c
+++ b/src/plugins/nat/nat64/nat64.c
@@ -135,6 +135,20 @@ nat64_get_worker_in2out (ip6_address_t * addr)
return next_worker_index;
}
+static u32
+get_thread_idx_by_port (u16 e_port)
+{
+ nat64_main_t *nm = &nat64_main;
+ u32 thread_idx = nm->num_workers;
+ if (nm->num_workers > 1)
+ {
+ thread_idx = nm->first_worker_index +
+ nm->workers[(e_port - 1024) / nm->port_per_thread %
+ _vec_len (nm->workers)];
+ }
+ return thread_idx;
+}
+
u32
nat64_get_worker_out2in (vlib_buffer_t * b, ip4_header_t * ip)
{
@@ -202,7 +216,7 @@ nat64_get_worker_out2in (vlib_buffer_t * b, ip4_header_t * ip)
/* worker by outside port (TCP/UDP) */
port = clib_net_to_host_u16 (port);
if (port > 1024)
- return nm->first_worker_index + ((port - 1024) / nm->port_per_thread);
+ return get_thread_idx_by_port (port);
return vlib_get_thread_index ();
}
@@ -916,7 +930,7 @@ nat64_add_del_static_bib_entry (ip6_address_t * in_addr,
/* outside port must be assigned to same thread as internall address */
if ((out_port > 1024) && (nm->num_workers > 1))
{
- if (thread_index != ((out_port - 1024) / nm->port_per_thread))
+ if (thread_index != get_thread_idx_by_port (out_port))
return VNET_API_ERROR_INVALID_VALUE_2;
}