*/
/**
* @file
- * @brief NAT44 inside to outside network translation
+ * @brief NAT44 EI inside to outside network translation
*/
#include <vlib/vlib.h>
-#include <vnet/vnet.h>
+#include <vnet/vnet.h>
#include <vnet/ip/ip.h>
#include <vnet/ethernet/ethernet.h>
-#include <vnet/fib/ip4_fib.h>
#include <vnet/udp/udp_local.h>
-#include <nat/nat.h>
-#include <nat/lib/ipfix_logging.h>
-#include <nat/nat_inlines.h>
-#include <nat/lib/nat_syslog.h>
-#include <nat/nat44-ei/nat44_ei_inlines.h>
-#include <nat/nat44-ei/nat44_ei.h>
+#include <vnet/fib/ip4_fib.h>
#include <vppinfra/hash.h>
#include <vppinfra/error.h>
-#include <vppinfra/elog.h>
+
+#include <nat/lib/log.h>
+#include <nat/lib/nat_syslog.h>
+#include <nat/lib/ipfix_logging.h>
#include <nat/lib/nat_inlines.h>
-#include <nat/nat44_hairpinning.h>
+#include <nat/nat44-ei/nat44_ei_inlines.h>
+#include <nat/nat44-ei/nat44_ei.h>
+#include <nat/nat44-ei/nat44_ei_hairpinning.h>
typedef struct
{
u32 session_index;
u32 is_slow_path;
u32 is_hairpinning;
-} snat_in2out_trace_t;
+} nat44_ei_in2out_trace_t;
/* packet trace format function */
static u8 *
-format_snat_in2out_trace (u8 * s, va_list * args)
+format_nat44_ei_in2out_trace (u8 *s, va_list *args)
{
CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
- snat_in2out_trace_t *t = va_arg (*args, snat_in2out_trace_t *);
+ nat44_ei_in2out_trace_t *t = va_arg (*args, nat44_ei_in2out_trace_t *);
char *tag;
tag = t->is_slow_path ? "NAT44_IN2OUT_SLOW_PATH" : "NAT44_IN2OUT_FAST_PATH";
}
static u8 *
-format_snat_in2out_fast_trace (u8 * s, va_list * args)
+format_nat44_ei_in2out_fast_trace (u8 *s, va_list *args)
{
CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
- snat_in2out_trace_t *t = va_arg (*args, snat_in2out_trace_t *);
+ nat44_ei_in2out_trace_t *t = va_arg (*args, nat44_ei_in2out_trace_t *);
s = format (s, "NAT44_IN2OUT_FAST: sw_if_index %d, next index %d",
t->sw_if_index, t->next_index);
return s;
}
-#define foreach_snat_in2out_error \
-_(UNSUPPORTED_PROTOCOL, "unsupported protocol") \
-_(OUT_OF_PORTS, "out of ports") \
-_(BAD_OUTSIDE_FIB, "outside VRF ID not found") \
-_(BAD_ICMP_TYPE, "unsupported ICMP type") \
-_(NO_TRANSLATION, "no translation") \
-_(MAX_SESSIONS_EXCEEDED, "maximum sessions exceeded") \
-_(CANNOT_CREATE_USER, "cannot create NAT user")
+#define foreach_nat44_ei_in2out_error \
+ _ (UNSUPPORTED_PROTOCOL, "unsupported protocol") \
+ _ (OUT_OF_PORTS, "out of ports") \
+ _ (BAD_OUTSIDE_FIB, "outside VRF ID not found") \
+ _ (BAD_ICMP_TYPE, "unsupported ICMP type") \
+ _ (NO_TRANSLATION, "no translation") \
+ _ (MAX_SESSIONS_EXCEEDED, "maximum sessions exceeded") \
+ _ (CANNOT_CREATE_USER, "cannot create NAT user")
typedef enum
{
-#define _(sym,str) SNAT_IN2OUT_ERROR_##sym,
- foreach_snat_in2out_error
+#define _(sym, str) NAT44_EI_IN2OUT_ERROR_##sym,
+ foreach_nat44_ei_in2out_error
#undef _
- SNAT_IN2OUT_N_ERROR,
-} snat_in2out_error_t;
+ NAT44_EI_IN2OUT_N_ERROR,
+} nat44_ei_in2out_error_t;
-static char *snat_in2out_error_strings[] = {
+static char *nat44_ei_in2out_error_strings[] = {
#define _(sym,string) string,
- foreach_snat_in2out_error
+ foreach_nat44_ei_in2out_error
#undef _
};
typedef enum
{
- SNAT_IN2OUT_NEXT_LOOKUP,
- SNAT_IN2OUT_NEXT_DROP,
- SNAT_IN2OUT_NEXT_ICMP_ERROR,
- SNAT_IN2OUT_NEXT_SLOW_PATH,
- SNAT_IN2OUT_NEXT_HAIRPINNING_HANDOFF,
- SNAT_IN2OUT_N_NEXT,
-} snat_in2out_next_t;
+ NAT44_EI_IN2OUT_NEXT_LOOKUP,
+ NAT44_EI_IN2OUT_NEXT_DROP,
+ NAT44_EI_IN2OUT_NEXT_ICMP_ERROR,
+ NAT44_EI_IN2OUT_NEXT_SLOW_PATH,
+ NAT44_EI_IN2OUT_NEXT_HAIRPINNING_HANDOFF,
+ NAT44_EI_IN2OUT_N_NEXT,
+} nat44_ei_in2out_next_t;
typedef enum
{
- NAT44_IN2OUT_HAIRPINNING_FINISH_NEXT_DROP,
- NAT44_IN2OUT_HAIRPINNING_FINISH_NEXT_LOOKUP,
- NAT44_IN2OUT_HAIRPINNING_FINISH_N_NEXT,
-} nat44_in2out_hairpinnig_finish_next_t;
+ NAT44_EI_IN2OUT_HAIRPINNING_FINISH_NEXT_DROP,
+ NAT44_EI_IN2OUT_HAIRPINNING_FINISH_NEXT_LOOKUP,
+ NAT44_EI_IN2OUT_HAIRPINNING_FINISH_N_NEXT,
+} nat44_ei_in2out_hairpinnig_finish_next_t;
+
+static inline int
+nat44_ei_not_translate_fast (vlib_node_runtime_t *node, u32 sw_if_index0,
+ ip4_header_t *ip0, u32 proto0, u32 rx_fib_index0)
+{
+ nat44_ei_main_t *nm = &nat44_ei_main;
+
+ if (nm->out2in_dpo)
+ return 0;
+
+ fib_node_index_t fei = FIB_NODE_INDEX_INVALID;
+ nat44_ei_outside_fib_t *outside_fib;
+ fib_prefix_t pfx = {
+ .fp_proto = FIB_PROTOCOL_IP4,
+ .fp_len = 32,
+ .fp_addr = {
+ .ip4.as_u32 = ip0->dst_address.as_u32,
+ }
+ ,
+ };
+
+ /* Don't NAT packet aimed at the intfc address */
+ if (PREDICT_FALSE (nat44_ei_is_interface_addr (
+ nm->ip4_main, node, sw_if_index0, ip0->dst_address.as_u32)))
+ return 1;
+
+ fei = fib_table_lookup (rx_fib_index0, &pfx);
+ if (FIB_NODE_INDEX_INVALID != fei)
+ {
+ u32 sw_if_index = fib_entry_get_resolving_interface (fei);
+ if (sw_if_index == ~0)
+ {
+ vec_foreach (outside_fib, nm->outside_fibs)
+ {
+ fei = fib_table_lookup (outside_fib->fib_index, &pfx);
+ if (FIB_NODE_INDEX_INVALID != fei)
+ {
+ sw_if_index = fib_entry_get_resolving_interface (fei);
+ if (sw_if_index != ~0)
+ break;
+ }
+ }
+ }
+ if (sw_if_index == ~0)
+ return 1;
+
+ nat44_ei_interface_t *i;
+ pool_foreach (i, nm->interfaces)
+ {
+ /* NAT packet aimed at outside interface */
+ if ((nat44_ei_interface_is_outside (i)) &&
+ (sw_if_index == i->sw_if_index))
+ return 0;
+ }
+ }
+
+ return 1;
+}
static inline int
-snat_not_translate (snat_main_t * sm, vlib_node_runtime_t * node,
- u32 sw_if_index0, ip4_header_t * ip0, u32 proto0,
- u32 rx_fib_index0, u32 thread_index)
+nat44_ei_not_translate (nat44_ei_main_t *nm, vlib_node_runtime_t *node,
+ u32 sw_if_index0, ip4_header_t *ip0, u32 proto0,
+ u32 rx_fib_index0, u32 thread_index)
{
udp_header_t *udp0 = ip4_next_header (ip0);
clib_bihash_kv_8_8_t kv0, value0;
- init_nat_k (&kv0, ip0->dst_address, udp0->dst_port, sm->outside_fib_index,
+ init_nat_k (&kv0, ip0->dst_address, udp0->dst_port, nm->outside_fib_index,
proto0);
/* NAT packet aimed at external address if */
/* has active sessions */
- if (clib_bihash_search_8_8 (&sm->out2in, &kv0, &value0))
+ if (clib_bihash_search_8_8 (&nm->out2in, &kv0, &value0))
{
/* or is static mappings */
ip4_address_t placeholder_addr;
u16 placeholder_port;
u32 placeholder_fib_index;
if (!nat44_ei_static_mapping_match (ip0->dst_address, udp0->dst_port,
- sm->outside_fib_index, proto0,
+ nm->outside_fib_index, proto0,
&placeholder_addr, &placeholder_port,
&placeholder_fib_index, 1, 0, 0))
return 0;
else
return 0;
- if (sm->forwarding_enabled)
+ if (nm->forwarding_enabled)
return 1;
- return snat_not_translate_fast (sm, node, sw_if_index0, ip0, proto0,
- rx_fib_index0);
+ return nat44_ei_not_translate_fast (node, sw_if_index0, ip0, proto0,
+ rx_fib_index0);
}
static inline int
-nat_not_translate_output_feature (snat_main_t * sm, ip4_header_t * ip0,
- u32 proto0, u16 src_port, u16 dst_port,
- u32 thread_index, u32 sw_if_index)
+nat44_ei_not_translate_output_feature (nat44_ei_main_t *nm, ip4_header_t *ip0,
+ u32 proto0, u16 src_port, u16 dst_port,
+ u32 thread_index, u32 sw_if_index)
{
clib_bihash_kv_8_8_t kv0, value0;
- snat_interface_t *i;
+ nat44_ei_interface_t *i;
/* src NAT check */
init_nat_k (&kv0, ip0->src_address, src_port,
ip4_fib_table_get_index_for_sw_if_index (sw_if_index), proto0);
- if (!clib_bihash_search_8_8 (&sm->out2in, &kv0, &value0))
+ if (!clib_bihash_search_8_8 (&nm->out2in, &kv0, &value0))
return 1;
/* dst NAT check */
init_nat_k (&kv0, ip0->dst_address, dst_port,
ip4_fib_table_get_index_for_sw_if_index (sw_if_index), proto0);
- if (!clib_bihash_search_8_8 (&sm->in2out, &kv0, &value0))
+ if (!clib_bihash_search_8_8 (&nm->in2out, &kv0, &value0))
{
/* hairpinning */
- pool_foreach (i, sm->output_feature_interfaces)
+ pool_foreach (i, nm->output_feature_interfaces)
{
- if ((nat_interface_is_inside (i)) && (sw_if_index == i->sw_if_index))
+ if ((nat44_ei_interface_is_inside (i)) &&
+ (sw_if_index == i->sw_if_index))
return 0;
}
return 1;
int
nat44_i2o_is_idle_session_cb (clib_bihash_kv_8_8_t * kv, void *arg)
{
- snat_main_t *sm = &snat_main;
- nat44_is_idle_session_ctx_t *ctx = arg;
- snat_session_t *s;
+ nat44_ei_main_t *nm = &nat44_ei_main;
+ nat44_ei_is_idle_session_ctx_t *ctx = arg;
+ nat44_ei_session_t *s;
u64 sess_timeout_time;
- snat_main_per_thread_data_t *tsm = vec_elt_at_index (sm->per_thread_data,
- ctx->thread_index);
+ nat44_ei_main_per_thread_data_t *tnm =
+ vec_elt_at_index (nm->per_thread_data, ctx->thread_index);
clib_bihash_kv_8_8_t s_kv;
- s = pool_elt_at_index (tsm->sessions, kv->value);
- sess_timeout_time = s->last_heard + (f64) nat44_session_get_timeout (sm, s);
+ s = pool_elt_at_index (tnm->sessions, kv->value);
+ sess_timeout_time = s->last_heard + (f64) nat_session_get_timeout (
+ &nm->timeouts, s->nat_proto, s->state);
if (ctx->now >= sess_timeout_time)
{
init_nat_o2i_k (&s_kv, s);
- if (clib_bihash_add_del_8_8 (&sm->out2in, &s_kv, 0))
- nat_elog_warn ("out2in key del failed");
+ if (clib_bihash_add_del_8_8 (&nm->out2in, &s_kv, 0))
+ nat_elog_warn (nm, "out2in key del failed");
nat_ipfix_logging_nat44_ses_delete (ctx->thread_index,
s->in2out.addr.as_u32,
s->ext_host_port, s->nat_proto, s->out2in.fib_index,
ctx->thread_index);
- if (!snat_is_session_static (s))
- snat_free_outside_address_and_port (sm->addresses, ctx->thread_index,
- &s->out2in.addr,
- s->out2in.port, s->nat_proto);
+ if (!nat44_ei_is_session_static (s))
+ nat44_ei_free_outside_address_and_port (
+ nm->addresses, ctx->thread_index, &s->out2in.addr, s->out2in.port,
+ s->nat_proto);
- nat44_delete_session (sm, s, ctx->thread_index);
+ nat44_ei_delete_session (nm, s, ctx->thread_index);
return 1;
}
#endif
static u32
-slow_path (snat_main_t * sm, vlib_buffer_t * b0,
- ip4_header_t * ip0,
- ip4_address_t i2o_addr,
- u16 i2o_port,
- u32 rx_fib_index0,
- nat_protocol_t nat_proto,
- snat_session_t ** sessionp,
- vlib_node_runtime_t * node, u32 next0, u32 thread_index, f64 now)
+slow_path (nat44_ei_main_t *nm, vlib_buffer_t *b0, ip4_header_t *ip0,
+ ip4_address_t i2o_addr, u16 i2o_port, u32 rx_fib_index0,
+ nat_protocol_t nat_proto, nat44_ei_session_t **sessionp,
+ vlib_node_runtime_t *node, u32 next0, u32 thread_index, f64 now)
{
- snat_user_t *u;
- snat_session_t *s = 0;
+ nat44_ei_user_t *u;
+ nat44_ei_session_t *s = 0;
clib_bihash_kv_8_8_t kv0;
u8 is_sm = 0;
- nat_outside_fib_t *outside_fib;
+ nat44_ei_outside_fib_t *outside_fib;
fib_node_index_t fei = FIB_NODE_INDEX_INVALID;
u8 identity_nat;
fib_prefix_t pfx = {
.ip4.as_u32 = ip0->dst_address.as_u32,
},
};
- nat44_is_idle_session_ctx_t ctx0;
+ nat44_ei_is_idle_session_ctx_t ctx0;
ip4_address_t sm_addr;
u16 sm_port;
u32 sm_fib_index;
- if (PREDICT_FALSE (nat44_ei_maximum_sessions_exceeded (sm, thread_index)))
+ if (PREDICT_FALSE (nat44_ei_maximum_sessions_exceeded (nm, thread_index)))
{
- b0->error = node->errors[SNAT_IN2OUT_ERROR_MAX_SESSIONS_EXCEEDED];
+ b0->error = node->errors[NAT44_EI_IN2OUT_ERROR_MAX_SESSIONS_EXCEEDED];
nat_ipfix_logging_max_sessions (thread_index,
- sm->max_translations_per_thread);
- nat_elog_notice ("maximum sessions exceeded");
- return SNAT_IN2OUT_NEXT_DROP;
+ nm->max_translations_per_thread);
+ nat_elog_notice (nm, "maximum sessions exceeded");
+ return NAT44_EI_IN2OUT_NEXT_DROP;
}
/* First try to match static mapping by local address and port */
&sm_fib_index, 0, 0, &identity_nat))
{
/* Try to create dynamic translation */
- if (sm->alloc_addr_and_port (
- sm->addresses, rx_fib_index0, thread_index, nat_proto, &sm_addr,
- &sm_port, sm->port_per_thread,
- sm->per_thread_data[thread_index].snat_thread_index))
+ if (nm->alloc_addr_and_port (
+ nm->addresses, rx_fib_index0, thread_index, nat_proto, &sm_addr,
+ &sm_port, nm->port_per_thread,
+ nm->per_thread_data[thread_index].snat_thread_index))
{
- b0->error = node->errors[SNAT_IN2OUT_ERROR_OUT_OF_PORTS];
- return SNAT_IN2OUT_NEXT_DROP;
+ b0->error = node->errors[NAT44_EI_IN2OUT_ERROR_OUT_OF_PORTS];
+ return NAT44_EI_IN2OUT_NEXT_DROP;
}
}
else
is_sm = 1;
}
- u = nat_user_get_or_create (sm, &ip0->src_address, rx_fib_index0,
- thread_index);
+ u = nat44_ei_user_get_or_create (nm, &ip0->src_address, rx_fib_index0,
+ thread_index);
if (!u)
{
- b0->error = node->errors[SNAT_IN2OUT_ERROR_CANNOT_CREATE_USER];
- return SNAT_IN2OUT_NEXT_DROP;
+ b0->error = node->errors[NAT44_EI_IN2OUT_ERROR_CANNOT_CREATE_USER];
+ return NAT44_EI_IN2OUT_NEXT_DROP;
}
- s = nat_session_alloc_or_recycle (sm, u, thread_index, now);
+ s = nat44_ei_session_alloc_or_recycle (nm, u, thread_index, now);
if (!s)
{
- nat44_delete_user_with_no_session (sm, u, thread_index);
- nat_elog_warn ("create NAT session failed");
- return SNAT_IN2OUT_NEXT_DROP;
+ nat44_ei_delete_user_with_no_session (nm, u, thread_index);
+ nat_elog_warn (nm, "create NAT session failed");
+ return NAT44_EI_IN2OUT_NEXT_DROP;
}
if (is_sm)
- s->flags |= SNAT_SESSION_FLAG_STATIC_MAPPING;
- user_session_increment (sm, u, is_sm);
+ s->flags |= NAT44_EI_SESSION_FLAG_STATIC_MAPPING;
+ nat44_ei_user_session_increment (nm, u, is_sm);
s->in2out.addr = i2o_addr;
s->in2out.port = i2o_port;
s->in2out.fib_index = rx_fib_index0;
s->nat_proto = nat_proto;
s->out2in.addr = sm_addr;
s->out2in.port = sm_port;
- s->out2in.fib_index = sm->outside_fib_index;
- switch (vec_len (sm->outside_fibs))
+ s->out2in.fib_index = nm->outside_fib_index;
+ switch (vec_len (nm->outside_fibs))
{
case 0:
- s->out2in.fib_index = sm->outside_fib_index;
+ s->out2in.fib_index = nm->outside_fib_index;
break;
case 1:
- s->out2in.fib_index = sm->outside_fibs[0].fib_index;
+ s->out2in.fib_index = nm->outside_fibs[0].fib_index;
break;
default:
- vec_foreach (outside_fib, sm->outside_fibs)
- {
- fei = fib_table_lookup (outside_fib->fib_index, &pfx);
- if (FIB_NODE_INDEX_INVALID != fei)
- {
- if (fib_entry_get_resolving_interface (fei) != ~0)
- {
- s->out2in.fib_index = outside_fib->fib_index;
- break;
- }
- }
- }
+ vec_foreach (outside_fib, nm->outside_fibs)
+ {
+ fei = fib_table_lookup (outside_fib->fib_index, &pfx);
+ if (FIB_NODE_INDEX_INVALID != fei)
+ {
+ if (fib_entry_get_resolving_interface (fei) != ~0)
+ {
+ s->out2in.fib_index = outside_fib->fib_index;
+ break;
+ }
+ }
+ }
break;
}
s->ext_host_addr.as_u32 = ip0->dst_address.as_u32;
ctx0.now = now;
ctx0.thread_index = thread_index;
init_nat_i2o_kv (&kv0, s, thread_index,
- s - sm->per_thread_data[thread_index].sessions);
+ s - nm->per_thread_data[thread_index].sessions);
if (clib_bihash_add_or_overwrite_stale_8_8 (
- &sm->in2out, &kv0, nat44_i2o_is_idle_session_cb, &ctx0))
- nat_elog_notice ("in2out key add failed");
+ &nm->in2out, &kv0, nat44_i2o_is_idle_session_cb, &ctx0))
+ nat_elog_notice (nm, "in2out key add failed");
init_nat_o2i_kv (&kv0, s, thread_index,
- s - sm->per_thread_data[thread_index].sessions);
+ s - nm->per_thread_data[thread_index].sessions);
if (clib_bihash_add_or_overwrite_stale_8_8 (
- &sm->out2in, &kv0, nat44_o2i_is_idle_session_cb, &ctx0))
- nat_elog_notice ("out2in key add failed");
+ &nm->out2in, &kv0, nat44_o2i_is_idle_session_cb, &ctx0))
+ nat_elog_notice (nm, "out2in key add failed");
/* log NAT event */
- nat_ipfix_logging_nat44_ses_create (thread_index,
- s->in2out.addr.as_u32,
- s->out2in.addr.as_u32,
- s->nat_proto,
- s->in2out.port,
- s->out2in.port, s->in2out.fib_index);
+ nat_ipfix_logging_nat44_ses_create (
+ thread_index, s->in2out.addr.as_u32, s->out2in.addr.as_u32, s->nat_proto,
+ s->in2out.port, s->out2in.port, s->in2out.fib_index);
- nat_syslog_nat44_apmadd (s->user_index, s->in2out.fib_index,
- &s->in2out.addr, s->in2out.port, &s->out2in.addr,
- s->out2in.port, s->nat_proto);
+ nat_syslog_nat44_apmadd (s->user_index, s->in2out.fib_index, &s->in2out.addr,
+ s->in2out.port, &s->out2in.addr, s->out2in.port,
+ s->nat_proto);
nat_ha_sadd (&s->in2out.addr, s->in2out.port, &s->out2in.addr,
s->out2in.port, &s->ext_host_addr, s->ext_host_port,
- &s->ext_host_nat_addr, s->ext_host_nat_port,
- s->nat_proto, s->in2out.fib_index, s->flags, thread_index, 0);
+ &s->ext_host_nat_addr, s->ext_host_nat_port, s->nat_proto,
+ s->in2out.fib_index, s->flags, thread_index, 0);
return next0;
}
#ifndef CLIB_MARCH_VARIANT
-static_always_inline snat_in2out_error_t
-icmp_get_key (vlib_buffer_t * b, ip4_header_t * ip0,
- ip4_address_t * addr, u16 * port, nat_protocol_t * nat_proto)
+static_always_inline nat44_ei_in2out_error_t
+icmp_get_key (vlib_buffer_t *b, ip4_header_t *ip0, ip4_address_t *addr,
+ u16 *port, nat_protocol_t *nat_proto)
{
icmp46_header_t *icmp0;
icmp_echo_header_t *echo0, *inner_echo0 = 0;
*port = ((tcp_udp_header_t *) l4_header)->dst_port;
break;
default:
- return SNAT_IN2OUT_ERROR_UNSUPPORTED_PROTOCOL;
+ return NAT44_EI_IN2OUT_ERROR_UNSUPPORTED_PROTOCOL;
}
}
return -1; /* success */
* Get address and port values to be used for ICMP packet translation
* and create session if needed
*
- * @param[in,out] sm NAT main
+ * @param[in,out] nm NAT main
* @param[in,out] node NAT node runtime
* @param[in] thread_index thread index
* @param[in,out] b0 buffer containing packet to be translated
* @param e optional parameter
*/
u32
-icmp_match_in2out_slow (snat_main_t *sm, vlib_node_runtime_t *node,
- u32 thread_index, vlib_buffer_t *b0, ip4_header_t *ip0,
- ip4_address_t *addr, u16 *port, u32 *fib_index,
- nat_protocol_t *proto, snat_session_t **p_s0,
- u8 *dont_translate)
+nat44_ei_icmp_match_in2out_slow (vlib_node_runtime_t *node, u32 thread_index,
+ vlib_buffer_t *b0, ip4_header_t *ip0,
+ ip4_address_t *addr, u16 *port,
+ u32 *fib_index, nat_protocol_t *proto,
+ nat44_ei_session_t **p_s0, u8 *dont_translate)
{
- snat_main_per_thread_data_t *tsm = &sm->per_thread_data[thread_index];
+ nat44_ei_main_t *nm = &nat44_ei_main;
+ nat44_ei_main_per_thread_data_t *tnm = &nm->per_thread_data[thread_index];
u32 sw_if_index0;
- snat_session_t *s0 = 0;
+ nat44_ei_session_t *s0 = 0;
clib_bihash_kv_8_8_t kv0, value0;
u32 next0 = ~0;
int err;
if (err != -1)
{
b0->error = node->errors[err];
- next0 = SNAT_IN2OUT_NEXT_DROP;
+ next0 = NAT44_EI_IN2OUT_NEXT_DROP;
goto out;
}
init_nat_k (&kv0, *addr, *port, *fib_index, *proto);
- if (clib_bihash_search_8_8 (&sm->in2out, &kv0, &value0))
+ if (clib_bihash_search_8_8 (&nm->in2out, &kv0, &value0))
{
if (vnet_buffer (b0)->sw_if_index[VLIB_TX] != ~0)
{
- if (PREDICT_FALSE
- (nat_not_translate_output_feature
- (sm, ip0, *proto, *port, *port, thread_index, sw_if_index0)))
+ if (PREDICT_FALSE (nat44_ei_not_translate_output_feature (
+ nm, ip0, *proto, *port, *port, thread_index, sw_if_index0)))
{
*dont_translate = 1;
goto out;
}
else
{
- if (PREDICT_FALSE (snat_not_translate (sm, node, sw_if_index0,
- ip0, NAT_PROTOCOL_ICMP,
- *fib_index, thread_index)))
+ if (PREDICT_FALSE (nat44_ei_not_translate (
+ nm, node, sw_if_index0, ip0, NAT_PROTOCOL_ICMP, *fib_index,
+ thread_index)))
{
*dont_translate = 1;
goto out;
(icmp_type_is_error_message
(vnet_buffer (b0)->ip.reass.icmp_type_or_tcp_flags)))
{
- b0->error = node->errors[SNAT_IN2OUT_ERROR_BAD_ICMP_TYPE];
- next0 = SNAT_IN2OUT_NEXT_DROP;
+ b0->error = node->errors[NAT44_EI_IN2OUT_ERROR_BAD_ICMP_TYPE];
+ next0 = NAT44_EI_IN2OUT_NEXT_DROP;
goto out;
}
- next0 =
- slow_path (sm, b0, ip0, *addr, *port, *fib_index, *proto, &s0, node,
- next0, thread_index, vlib_time_now (vm));
+ next0 = slow_path (nm, b0, ip0, *addr, *port, *fib_index, *proto, &s0,
+ node, next0, thread_index, vlib_time_now (vm));
- if (PREDICT_FALSE (next0 == SNAT_IN2OUT_NEXT_DROP))
+ if (PREDICT_FALSE (next0 == NAT44_EI_IN2OUT_NEXT_DROP))
goto out;
if (!s0)
&& !icmp_type_is_error_message (vnet_buffer (b0)->ip.
reass.icmp_type_or_tcp_flags)))
{
- b0->error = node->errors[SNAT_IN2OUT_ERROR_BAD_ICMP_TYPE];
- next0 = SNAT_IN2OUT_NEXT_DROP;
+ b0->error = node->errors[NAT44_EI_IN2OUT_ERROR_BAD_ICMP_TYPE];
+ next0 = NAT44_EI_IN2OUT_NEXT_DROP;
goto out;
}
- s0 = pool_elt_at_index (tsm->sessions,
+ s0 = pool_elt_at_index (tnm->sessions,
nat_value_get_session_index (&value0));
}
#endif
#ifndef CLIB_MARCH_VARIANT
-/**
- * Get address and port values to be used for ICMP packet translation
- *
- * @param[in] sm NAT main
- * @param[in,out] node NAT node runtime
- * @param[in] thread_index thread index
- * @param[in,out] b0 buffer containing packet to be translated
- * @param[in,out] ip0 ip header
- * @param[out] p_proto protocol used for matching
- * @param[out] p_value address and port after NAT translation
- * @param[out] p_dont_translate if packet should not be translated
- * @param d optional parameter
- * @param e optional parameter
- */
u32
-icmp_match_in2out_fast (snat_main_t *sm, vlib_node_runtime_t *node,
- u32 thread_index, vlib_buffer_t *b0, ip4_header_t *ip0,
- ip4_address_t *addr, u16 *port, u32 *fib_index,
- nat_protocol_t *proto, snat_session_t **s0,
- u8 *dont_translate)
+nat44_ei_icmp_match_in2out_fast (vlib_node_runtime_t *node, u32 thread_index,
+ vlib_buffer_t *b0, ip4_header_t *ip0,
+ ip4_address_t *addr, u16 *port,
+ u32 *fib_index, nat_protocol_t *proto,
+ nat44_ei_session_t **s0, u8 *dont_translate)
{
u32 sw_if_index0;
u8 is_addr_only;
if (err != -1)
{
b0->error = node->errors[err];
- next0 = SNAT_IN2OUT_NEXT_DROP;
+ next0 = NAT44_EI_IN2OUT_NEXT_DROP;
goto out;
}
&sm_addr, &sm_port, &sm_fib_index, 0,
&is_addr_only, 0))
{
- if (PREDICT_FALSE (snat_not_translate_fast (sm, node, sw_if_index0, ip0,
- IP_PROTOCOL_ICMP,
- *fib_index)))
+ if (PREDICT_FALSE (nat44_ei_not_translate_fast (
+ node, sw_if_index0, ip0, IP_PROTOCOL_ICMP, *fib_index)))
{
*dont_translate = 1;
goto out;
if (icmp_type_is_error_message
(vnet_buffer (b0)->ip.reass.icmp_type_or_tcp_flags))
{
- next0 = SNAT_IN2OUT_NEXT_DROP;
+ next0 = NAT44_EI_IN2OUT_NEXT_DROP;
goto out;
}
- b0->error = node->errors[SNAT_IN2OUT_ERROR_NO_TRANSLATION];
- next0 = SNAT_IN2OUT_NEXT_DROP;
+ b0->error = node->errors[NAT44_EI_IN2OUT_ERROR_NO_TRANSLATION];
+ next0 = NAT44_EI_IN2OUT_NEXT_DROP;
goto out;
}
&& !icmp_type_is_error_message (vnet_buffer (b0)->ip.
reass.icmp_type_or_tcp_flags)))
{
- b0->error = node->errors[SNAT_IN2OUT_ERROR_BAD_ICMP_TYPE];
- next0 = SNAT_IN2OUT_NEXT_DROP;
+ b0->error = node->errors[NAT44_EI_IN2OUT_ERROR_BAD_ICMP_TYPE];
+ next0 = NAT44_EI_IN2OUT_NEXT_DROP;
goto out;
}
}
#endif
-u32 icmp_in2out (snat_main_t *sm, vlib_buffer_t *b0, ip4_header_t *ip0,
- icmp46_header_t *icmp0, u32 sw_if_index0, u32 rx_fib_index0,
- vlib_node_runtime_t *node, u32 next0, u32 thread_index,
- snat_session_t **p_s0);
+u32 nat44_ei_icmp_in2out (vlib_buffer_t *b0, ip4_header_t *ip0,
+ icmp46_header_t *icmp0, u32 sw_if_index0,
+ u32 rx_fib_index0, vlib_node_runtime_t *node,
+ u32 next0, u32 thread_index,
+ nat44_ei_session_t **p_s0);
#ifndef CLIB_MARCH_VARIANT
u32
-icmp_in2out (snat_main_t *sm, vlib_buffer_t *b0, ip4_header_t *ip0,
- icmp46_header_t *icmp0, u32 sw_if_index0, u32 rx_fib_index0,
- vlib_node_runtime_t *node, u32 next0, u32 thread_index,
- snat_session_t **p_s0)
+nat44_ei_icmp_in2out (vlib_buffer_t *b0, ip4_header_t *ip0,
+ icmp46_header_t *icmp0, u32 sw_if_index0,
+ u32 rx_fib_index0, vlib_node_runtime_t *node, u32 next0,
+ u32 thread_index, nat44_ei_session_t **p_s0)
{
+ nat44_ei_main_t *nm = &nat44_ei_main;
vlib_main_t *vm = vlib_get_main ();
ip4_address_t addr;
u16 port;
u32 fib_index;
- nat_protocol_t protocol;
+ nat_protocol_t proto;
icmp_echo_header_t *echo0, *inner_echo0 = 0;
ip4_header_t *inner_ip0;
void *l4_header = 0;
echo0 = (icmp_echo_header_t *) (icmp0 + 1);
- next0_tmp =
- sm->icmp_match_in2out_cb (sm, node, thread_index, b0, ip0, &addr, &port,
- &fib_index, &protocol, p_s0, &dont_translate);
+ if (PREDICT_TRUE (nm->pat))
+ {
+ next0_tmp = nat44_ei_icmp_match_in2out_slow (
+ node, thread_index, b0, ip0, &addr, &port, &fib_index, &proto, p_s0,
+ &dont_translate);
+ }
+ else
+ {
+ next0_tmp = nat44_ei_icmp_match_in2out_fast (
+ node, thread_index, b0, ip0, &addr, &port, &fib_index, &proto, p_s0,
+ &dont_translate);
+ }
+
if (next0_tmp != ~0)
next0 = next0_tmp;
- if (next0 == SNAT_IN2OUT_NEXT_DROP || dont_translate)
+ if (next0 == NAT44_EI_IN2OUT_NEXT_DROP || dont_translate)
goto out;
if (PREDICT_TRUE (!ip4_is_fragment (ip0)))
checksum0 = ~ip_csum_fold (sum0);
if (PREDICT_FALSE (checksum0 != 0 && checksum0 != 0xffff))
{
- next0 = SNAT_IN2OUT_NEXT_DROP;
+ next0 = NAT44_EI_IN2OUT_NEXT_DROP;
goto out;
}
}
if (!ip4_header_checksum_is_valid (inner_ip0))
{
- next0 = SNAT_IN2OUT_NEXT_DROP;
+ next0 = NAT44_EI_IN2OUT_NEXT_DROP;
goto out;
}
checksum);
icmp0->checksum = ip_csum_fold (sum0);
- switch (protocol)
+ switch (proto)
{
case NAT_PROTOCOL_ICMP:
inner_icmp0 = (icmp46_header_t *) l4_header;
if (vnet_buffer (b0)->sw_if_index[VLIB_TX] == ~0)
{
- if (0 != snat_icmp_hairpinning (sm, b0, thread_index, ip0, icmp0,
- &required_thread_index))
+ if (0 != nat44_ei_icmp_hairpinning (nm, b0, thread_index, ip0, icmp0,
+ &required_thread_index))
vnet_buffer (b0)->sw_if_index[VLIB_TX] = fib_index;
if (thread_index != required_thread_index)
{
vnet_buffer (b0)->snat.required_thread_index = required_thread_index;
- next0 = SNAT_IN2OUT_NEXT_HAIRPINNING_HANDOFF;
+ next0 = NAT44_EI_IN2OUT_NEXT_HAIRPINNING_HANDOFF;
}
}
}
#endif
-static inline u32
-icmp_in2out_slow_path (snat_main_t * sm,
- vlib_buffer_t * b0,
- ip4_header_t * ip0,
- icmp46_header_t * icmp0,
- u32 sw_if_index0,
- u32 rx_fib_index0,
- vlib_node_runtime_t * node,
- u32 next0,
- f64 now, u32 thread_index, snat_session_t ** p_s0)
+static_always_inline u32
+nat44_ei_icmp_in2out_slow_path (nat44_ei_main_t *nm, vlib_buffer_t *b0,
+ ip4_header_t *ip0, icmp46_header_t *icmp0,
+ u32 sw_if_index0, u32 rx_fib_index0,
+ vlib_node_runtime_t *node, u32 next0, f64 now,
+ u32 thread_index, nat44_ei_session_t **p_s0)
{
vlib_main_t *vm = vlib_get_main ();
- next0 = icmp_in2out (sm, b0, ip0, icmp0, sw_if_index0, rx_fib_index0, node,
- next0, thread_index, p_s0);
- snat_session_t *s0 = *p_s0;
- if (PREDICT_TRUE (next0 != SNAT_IN2OUT_NEXT_DROP && s0))
+ next0 = nat44_ei_icmp_in2out (b0, ip0, icmp0, sw_if_index0, rx_fib_index0,
+ node, next0, thread_index, p_s0);
+ nat44_ei_session_t *s0 = *p_s0;
+ if (PREDICT_TRUE (next0 != NAT44_EI_IN2OUT_NEXT_DROP && s0))
{
/* Accounting */
nat44_ei_session_update_counters (
s0, now, vlib_buffer_length_in_chain (vm, b0), thread_index);
/* Per-user LRU list maintenance */
- nat44_session_update_lru (sm, s0, thread_index);
+ nat44_ei_session_update_lru (nm, s0, thread_index);
}
return next0;
}
static int
-nat_in2out_sm_unknown_proto (snat_main_t * sm,
- vlib_buffer_t * b,
- ip4_header_t * ip, u32 rx_fib_index)
+nat_in2out_sm_unknown_proto (nat44_ei_main_t *nm, vlib_buffer_t *b,
+ ip4_header_t *ip, u32 rx_fib_index)
{
clib_bihash_kv_8_8_t kv, value;
- snat_static_mapping_t *m;
+ nat44_ei_static_mapping_t *m;
u32 old_addr, new_addr;
ip_csum_t sum;
init_nat_k (&kv, ip->src_address, 0, rx_fib_index, 0);
- if (clib_bihash_search_8_8 (&sm->static_mapping_by_local, &kv, &value))
+ if (clib_bihash_search_8_8 (&nm->static_mapping_by_local, &kv, &value))
return 1;
- m = pool_elt_at_index (sm->static_mappings, value.value);
+ m = pool_elt_at_index (nm->static_mappings, value.value);
old_addr = ip->src_address.as_u32;
new_addr = ip->src_address.as_u32 = m->external_addr.as_u32;
if (vnet_buffer (b)->sw_if_index[VLIB_TX] == ~0)
{
vnet_buffer (b)->sw_if_index[VLIB_TX] = m->fib_index;
- nat_hairpinning_sm_unknown_proto (sm, b, ip);
+ nat44_ei_hairpinning_sm_unknown_proto (nm, b, ip);
}
return 0;
}
static inline uword
-snat_in2out_node_fn_inline (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame, int is_slow_path,
- int is_output_feature)
+nat44_ei_in2out_node_fn_inline (vlib_main_t *vm, vlib_node_runtime_t *node,
+ vlib_frame_t *frame, int is_slow_path,
+ int is_output_feature)
{
u32 n_left_from, *from;
- snat_main_t *sm = &snat_main;
+ nat44_ei_main_t *nm = &nat44_ei_main;
f64 now = vlib_time_now (vm);
u32 thread_index = vm->thread_index;
icmp46_header_t *icmp0, *icmp1;
u32 rx_fib_index0, rx_fib_index1;
u32 proto0, proto1;
- snat_session_t *s0 = 0, *s1 = 0;
+ nat44_ei_session_t *s0 = 0, *s1 = 0;
clib_bihash_kv_8_8_t kv0, value0, kv1, value1;
u32 iph_offset0 = 0, iph_offset1 = 0;
icmp0 = (icmp46_header_t *) udp0;
sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX];
- rx_fib_index0 = vec_elt (sm->ip4_main->fib_index_by_sw_if_index,
- sw_if_index0);
+ rx_fib_index0 =
+ vec_elt (nm->ip4_main->fib_index_by_sw_if_index, sw_if_index0);
- next0 = next1 = SNAT_IN2OUT_NEXT_LOOKUP;
+ next0 = next1 = NAT44_EI_IN2OUT_NEXT_LOOKUP;
if (PREDICT_FALSE (ip0->ttl == 1))
{
icmp4_error_set_vnet_buffer (b0, ICMP4_time_exceeded,
ICMP4_time_exceeded_ttl_exceeded_in_transit,
0);
- next0 = SNAT_IN2OUT_NEXT_ICMP_ERROR;
+ next0 = NAT44_EI_IN2OUT_NEXT_ICMP_ERROR;
goto trace00;
}
{
if (PREDICT_FALSE (proto0 == NAT_PROTOCOL_OTHER))
{
- if (nat_in2out_sm_unknown_proto (sm, b0, ip0, rx_fib_index0))
+ if (nat_in2out_sm_unknown_proto (nm, b0, ip0, rx_fib_index0))
{
- next0 = SNAT_IN2OUT_NEXT_DROP;
+ next0 = NAT44_EI_IN2OUT_NEXT_DROP;
b0->error =
- node->errors[SNAT_IN2OUT_ERROR_UNSUPPORTED_PROTOCOL];
+ node->errors[NAT44_EI_IN2OUT_ERROR_UNSUPPORTED_PROTOCOL];
}
- vlib_increment_simple_counter (is_slow_path ? &sm->
- counters.slowpath.in2out.
- other : &sm->counters.fastpath.
- in2out.other, thread_index,
- sw_if_index0, 1);
+ vlib_increment_simple_counter (
+ is_slow_path ? &nm->counters.slowpath.in2out.other :
+ &nm->counters.fastpath.in2out.other,
+ thread_index, sw_if_index0, 1);
goto trace00;
}
if (PREDICT_FALSE (proto0 == NAT_PROTOCOL_ICMP))
{
- next0 = icmp_in2out_slow_path
- (sm, b0, ip0, icmp0, sw_if_index0, rx_fib_index0,
- node, next0, now, thread_index, &s0);
- vlib_increment_simple_counter (is_slow_path ? &sm->
- counters.slowpath.in2out.
- icmp : &sm->counters.fastpath.
- in2out.icmp, thread_index,
- sw_if_index0, 1);
+ next0 = nat44_ei_icmp_in2out_slow_path (
+ nm, b0, ip0, icmp0, sw_if_index0, rx_fib_index0, node, next0,
+ now, thread_index, &s0);
+ vlib_increment_simple_counter (
+ is_slow_path ? &nm->counters.slowpath.in2out.icmp :
+ &nm->counters.fastpath.in2out.icmp,
+ thread_index, sw_if_index0, 1);
goto trace00;
}
}
{
if (PREDICT_FALSE (proto0 == NAT_PROTOCOL_OTHER))
{
- next0 = SNAT_IN2OUT_NEXT_SLOW_PATH;
+ next0 = NAT44_EI_IN2OUT_NEXT_SLOW_PATH;
goto trace00;
}
if (PREDICT_FALSE (proto0 == NAT_PROTOCOL_ICMP))
{
- next0 = SNAT_IN2OUT_NEXT_SLOW_PATH;
+ next0 = NAT44_EI_IN2OUT_NEXT_SLOW_PATH;
goto trace00;
}
}
init_nat_k (&kv0, ip0->src_address,
vnet_buffer (b0)->ip.reass.l4_src_port, rx_fib_index0,
proto0);
- if (PREDICT_FALSE (clib_bihash_search_8_8 (&sm->in2out, &kv0, &value0) !=
+ if (PREDICT_FALSE (clib_bihash_search_8_8 (&nm->in2out, &kv0, &value0) !=
0))
{
if (is_slow_path)
{
if (is_output_feature)
{
- if (PREDICT_FALSE
- (nat_not_translate_output_feature
- (sm, ip0, proto0,
+ if (PREDICT_FALSE (nat44_ei_not_translate_output_feature (
+ nm, ip0, proto0,
vnet_buffer (b0)->ip.reass.l4_src_port,
- vnet_buffer (b0)->ip.reass.l4_dst_port,
- thread_index, sw_if_index0)))
+ vnet_buffer (b0)->ip.reass.l4_dst_port, thread_index,
+ sw_if_index0)))
goto trace00;
/*
}
else
{
- if (PREDICT_FALSE
- (snat_not_translate
- (sm, node, sw_if_index0, ip0, proto0,
- rx_fib_index0, thread_index)))
+ if (PREDICT_FALSE (nat44_ei_not_translate (
+ nm, node, sw_if_index0, ip0, proto0, rx_fib_index0,
+ thread_index)))
goto trace00;
}
- next0 = slow_path (sm, b0, ip0,
- ip0->src_address,
+ next0 = slow_path (nm, b0, ip0, ip0->src_address,
vnet_buffer (b0)->ip.reass.l4_src_port,
- rx_fib_index0,
- proto0, &s0, node, next0, thread_index, now);
- if (PREDICT_FALSE (next0 == SNAT_IN2OUT_NEXT_DROP))
+ rx_fib_index0, proto0, &s0, node, next0,
+ thread_index, now);
+ if (PREDICT_FALSE (next0 == NAT44_EI_IN2OUT_NEXT_DROP))
goto trace00;
if (PREDICT_FALSE (!s0))
}
else
{
- next0 = SNAT_IN2OUT_NEXT_SLOW_PATH;
+ next0 = NAT44_EI_IN2OUT_NEXT_SLOW_PATH;
goto trace00;
}
}
else
- s0 = pool_elt_at_index (sm->per_thread_data[thread_index].sessions,
+ s0 = pool_elt_at_index (nm->per_thread_data[thread_index].sessions,
nat_value_get_session_index (&value0));
b0->flags |= VNET_BUFFER_F_IS_NATED;
sum0 = ip_csum_update (sum0, old_port0, new_port0,
ip4_header_t /* cheat */ ,
length /* changed member */ );
- mss_clamping (sm->mss_clamping, tcp0, &sum0);
+ mss_clamping (nm->mss_clamping, tcp0, &sum0);
tcp0->checksum = ip_csum_fold (sum0);
}
- vlib_increment_simple_counter (is_slow_path ? &sm->
- counters.slowpath.in2out.tcp : &sm->
- counters.fastpath.in2out.tcp,
+ vlib_increment_simple_counter (is_slow_path ?
+ &nm->counters.slowpath.in2out.tcp :
+ &nm->counters.fastpath.in2out.tcp,
thread_index, sw_if_index0, 1);
}
else
udp0->checksum = ip_csum_fold (sum0);
}
}
- vlib_increment_simple_counter (is_slow_path ? &sm->
- counters.slowpath.in2out.udp : &sm->
- counters.fastpath.in2out.udp,
+ vlib_increment_simple_counter (is_slow_path ?
+ &nm->counters.slowpath.in2out.udp :
+ &nm->counters.fastpath.in2out.udp,
thread_index, sw_if_index0, 1);
}
nat44_ei_session_update_counters (
s0, now, vlib_buffer_length_in_chain (vm, b0), thread_index);
/* Per-user LRU list maintenance */
- nat44_session_update_lru (sm, s0, thread_index);
+ nat44_ei_session_update_lru (nm, s0, thread_index);
trace00:
if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)
&& (b0->flags & VLIB_BUFFER_IS_TRACED)))
{
- snat_in2out_trace_t *t = vlib_add_trace (vm, node, b0, sizeof (*t));
+ nat44_ei_in2out_trace_t *t =
+ vlib_add_trace (vm, node, b0, sizeof (*t));
t->is_slow_path = is_slow_path;
t->sw_if_index = sw_if_index0;
t->next_index = next0;
t->session_index = ~0;
if (s0)
- t->session_index =
- s0 - sm->per_thread_data[thread_index].sessions;
+ t->session_index = s0 - nm->per_thread_data[thread_index].sessions;
}
- if (next0 == SNAT_IN2OUT_NEXT_DROP)
+ if (next0 == NAT44_EI_IN2OUT_NEXT_DROP)
{
- vlib_increment_simple_counter (is_slow_path ? &sm->
- counters.slowpath.in2out.
- drops : &sm->counters.fastpath.
- in2out.drops, thread_index,
- sw_if_index0, 1);
+ vlib_increment_simple_counter (
+ is_slow_path ? &nm->counters.slowpath.in2out.drops :
+ &nm->counters.fastpath.in2out.drops,
+ thread_index, sw_if_index0, 1);
}
if (is_output_feature)
icmp1 = (icmp46_header_t *) udp1;
sw_if_index1 = vnet_buffer (b1)->sw_if_index[VLIB_RX];
- rx_fib_index1 = vec_elt (sm->ip4_main->fib_index_by_sw_if_index,
- sw_if_index1);
+ rx_fib_index1 =
+ vec_elt (nm->ip4_main->fib_index_by_sw_if_index, sw_if_index1);
if (PREDICT_FALSE (ip1->ttl == 1))
{
icmp4_error_set_vnet_buffer (b1, ICMP4_time_exceeded,
ICMP4_time_exceeded_ttl_exceeded_in_transit,
0);
- next1 = SNAT_IN2OUT_NEXT_ICMP_ERROR;
+ next1 = NAT44_EI_IN2OUT_NEXT_ICMP_ERROR;
goto trace01;
}
{
if (PREDICT_FALSE (proto1 == NAT_PROTOCOL_OTHER))
{
- if (nat_in2out_sm_unknown_proto (sm, b1, ip1, rx_fib_index1))
+ if (nat_in2out_sm_unknown_proto (nm, b1, ip1, rx_fib_index1))
{
- next1 = SNAT_IN2OUT_NEXT_DROP;
+ next1 = NAT44_EI_IN2OUT_NEXT_DROP;
b1->error =
- node->errors[SNAT_IN2OUT_ERROR_UNSUPPORTED_PROTOCOL];
+ node->errors[NAT44_EI_IN2OUT_ERROR_UNSUPPORTED_PROTOCOL];
}
- vlib_increment_simple_counter (is_slow_path ? &sm->
- counters.slowpath.in2out.
- other : &sm->counters.fastpath.
- in2out.other, thread_index,
- sw_if_index1, 1);
+ vlib_increment_simple_counter (
+ is_slow_path ? &nm->counters.slowpath.in2out.other :
+ &nm->counters.fastpath.in2out.other,
+ thread_index, sw_if_index1, 1);
goto trace01;
}
if (PREDICT_FALSE (proto1 == NAT_PROTOCOL_ICMP))
{
- next1 = icmp_in2out_slow_path
- (sm, b1, ip1, icmp1, sw_if_index1, rx_fib_index1, node,
- next1, now, thread_index, &s1);
- vlib_increment_simple_counter (is_slow_path ? &sm->
- counters.slowpath.in2out.
- icmp : &sm->counters.fastpath.
- in2out.icmp, thread_index,
- sw_if_index1, 1);
+ next1 = nat44_ei_icmp_in2out_slow_path (
+ nm, b1, ip1, icmp1, sw_if_index1, rx_fib_index1, node, next1,
+ now, thread_index, &s1);
+ vlib_increment_simple_counter (
+ is_slow_path ? &nm->counters.slowpath.in2out.icmp :
+ &nm->counters.fastpath.in2out.icmp,
+ thread_index, sw_if_index1, 1);
goto trace01;
}
}
{
if (PREDICT_FALSE (proto1 == NAT_PROTOCOL_OTHER))
{
- next1 = SNAT_IN2OUT_NEXT_SLOW_PATH;
+ next1 = NAT44_EI_IN2OUT_NEXT_SLOW_PATH;
goto trace01;
}
if (PREDICT_FALSE (proto1 == NAT_PROTOCOL_ICMP))
{
- next1 = SNAT_IN2OUT_NEXT_SLOW_PATH;
+ next1 = NAT44_EI_IN2OUT_NEXT_SLOW_PATH;
goto trace01;
}
}
init_nat_k (&kv1, ip1->src_address,
vnet_buffer (b1)->ip.reass.l4_src_port, rx_fib_index1,
proto1);
- if (PREDICT_FALSE (clib_bihash_search_8_8 (&sm->in2out, &kv1, &value1) !=
+ if (PREDICT_FALSE (clib_bihash_search_8_8 (&nm->in2out, &kv1, &value1) !=
0))
{
if (is_slow_path)
{
if (is_output_feature)
{
- if (PREDICT_FALSE
- (nat_not_translate_output_feature
- (sm, ip1, proto1,
+ if (PREDICT_FALSE (nat44_ei_not_translate_output_feature (
+ nm, ip1, proto1,
vnet_buffer (b1)->ip.reass.l4_src_port,
- vnet_buffer (b1)->ip.reass.l4_dst_port,
- thread_index, sw_if_index1)))
+ vnet_buffer (b1)->ip.reass.l4_dst_port, thread_index,
+ sw_if_index1)))
goto trace01;
/*
}
else
{
- if (PREDICT_FALSE
- (snat_not_translate
- (sm, node, sw_if_index1, ip1, proto1,
- rx_fib_index1, thread_index)))
+ if (PREDICT_FALSE (nat44_ei_not_translate (
+ nm, node, sw_if_index1, ip1, proto1, rx_fib_index1,
+ thread_index)))
goto trace01;
}
- next1 =
- slow_path (sm, b1, ip1, ip1->src_address,
- vnet_buffer (b1)->ip.reass.l4_src_port,
- rx_fib_index1, proto1, &s1, node, next1,
- thread_index, now);
- if (PREDICT_FALSE (next1 == SNAT_IN2OUT_NEXT_DROP))
+ next1 = slow_path (nm, b1, ip1, ip1->src_address,
+ vnet_buffer (b1)->ip.reass.l4_src_port,
+ rx_fib_index1, proto1, &s1, node, next1,
+ thread_index, now);
+ if (PREDICT_FALSE (next1 == NAT44_EI_IN2OUT_NEXT_DROP))
goto trace01;
if (PREDICT_FALSE (!s1))
}
else
{
- next1 = SNAT_IN2OUT_NEXT_SLOW_PATH;
+ next1 = NAT44_EI_IN2OUT_NEXT_SLOW_PATH;
goto trace01;
}
}
else
- s1 = pool_elt_at_index (sm->per_thread_data[thread_index].sessions,
+ s1 = pool_elt_at_index (nm->per_thread_data[thread_index].sessions,
nat_value_get_session_index (&value1));
b1->flags |= VNET_BUFFER_F_IS_NATED;
sum1 = ip_csum_update (sum1, old_port1, new_port1,
ip4_header_t /* cheat */ ,
length /* changed member */ );
- mss_clamping (sm->mss_clamping, tcp1, &sum1);
+ mss_clamping (nm->mss_clamping, tcp1, &sum1);
tcp1->checksum = ip_csum_fold (sum1);
}
- vlib_increment_simple_counter (is_slow_path ? &sm->
- counters.slowpath.in2out.tcp : &sm->
- counters.fastpath.in2out.tcp,
+ vlib_increment_simple_counter (is_slow_path ?
+ &nm->counters.slowpath.in2out.tcp :
+ &nm->counters.fastpath.in2out.tcp,
thread_index, sw_if_index1, 1);
}
else
udp1->checksum = ip_csum_fold (sum1);
}
}
- vlib_increment_simple_counter (is_slow_path ? &sm->
- counters.slowpath.in2out.udp : &sm->
- counters.fastpath.in2out.udp,
+ vlib_increment_simple_counter (is_slow_path ?
+ &nm->counters.slowpath.in2out.udp :
+ &nm->counters.fastpath.in2out.udp,
thread_index, sw_if_index1, 1);
}
nat44_ei_session_update_counters (
s1, now, vlib_buffer_length_in_chain (vm, b1), thread_index);
/* Per-user LRU list maintenance */
- nat44_session_update_lru (sm, s1, thread_index);
+ nat44_ei_session_update_lru (nm, s1, thread_index);
trace01:
if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)
&& (b1->flags & VLIB_BUFFER_IS_TRACED)))
{
- snat_in2out_trace_t *t = vlib_add_trace (vm, node, b1, sizeof (*t));
+ nat44_ei_in2out_trace_t *t =
+ vlib_add_trace (vm, node, b1, sizeof (*t));
t->sw_if_index = sw_if_index1;
t->next_index = next1;
t->session_index = ~0;
if (s1)
- t->session_index =
- s1 - sm->per_thread_data[thread_index].sessions;
+ t->session_index = s1 - nm->per_thread_data[thread_index].sessions;
}
- if (next1 == SNAT_IN2OUT_NEXT_DROP)
+ if (next1 == NAT44_EI_IN2OUT_NEXT_DROP)
{
- vlib_increment_simple_counter (is_slow_path ? &sm->
- counters.slowpath.in2out.
- drops : &sm->counters.fastpath.
- in2out.drops, thread_index,
- sw_if_index1, 1);
+ vlib_increment_simple_counter (
+ is_slow_path ? &nm->counters.slowpath.in2out.drops :
+ &nm->counters.fastpath.in2out.drops,
+ thread_index, sw_if_index1, 1);
}
n_left_from -= 2;
icmp46_header_t *icmp0;
u32 rx_fib_index0;
u32 proto0;
- snat_session_t *s0 = 0;
+ nat44_ei_session_t *s0 = 0;
clib_bihash_kv_8_8_t kv0, value0;
u32 iph_offset0 = 0;
b0 = *b;
b++;
- next0 = SNAT_IN2OUT_NEXT_LOOKUP;
+ next0 = NAT44_EI_IN2OUT_NEXT_LOOKUP;
if (is_output_feature)
iph_offset0 = vnet_buffer (b0)->ip.reass.save_rewrite_length;
icmp0 = (icmp46_header_t *) udp0;
sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX];
- rx_fib_index0 = vec_elt (sm->ip4_main->fib_index_by_sw_if_index,
- sw_if_index0);
+ rx_fib_index0 =
+ vec_elt (nm->ip4_main->fib_index_by_sw_if_index, sw_if_index0);
if (PREDICT_FALSE (ip0->ttl == 1))
{
icmp4_error_set_vnet_buffer (b0, ICMP4_time_exceeded,
ICMP4_time_exceeded_ttl_exceeded_in_transit,
0);
- next0 = SNAT_IN2OUT_NEXT_ICMP_ERROR;
+ next0 = NAT44_EI_IN2OUT_NEXT_ICMP_ERROR;
goto trace0;
}
{
if (PREDICT_FALSE (proto0 == NAT_PROTOCOL_OTHER))
{
- if (nat_in2out_sm_unknown_proto (sm, b0, ip0, rx_fib_index0))
+ if (nat_in2out_sm_unknown_proto (nm, b0, ip0, rx_fib_index0))
{
- next0 = SNAT_IN2OUT_NEXT_DROP;
+ next0 = NAT44_EI_IN2OUT_NEXT_DROP;
b0->error =
- node->errors[SNAT_IN2OUT_ERROR_UNSUPPORTED_PROTOCOL];
+ node->errors[NAT44_EI_IN2OUT_ERROR_UNSUPPORTED_PROTOCOL];
}
- vlib_increment_simple_counter (is_slow_path ? &sm->
- counters.slowpath.in2out.
- other : &sm->counters.fastpath.
- in2out.other, thread_index,
- sw_if_index0, 1);
+ vlib_increment_simple_counter (
+ is_slow_path ? &nm->counters.slowpath.in2out.other :
+ &nm->counters.fastpath.in2out.other,
+ thread_index, sw_if_index0, 1);
goto trace0;
}
if (PREDICT_FALSE (proto0 == NAT_PROTOCOL_ICMP))
{
- next0 = icmp_in2out_slow_path
- (sm, b0, ip0, icmp0, sw_if_index0, rx_fib_index0, node,
- next0, now, thread_index, &s0);
- vlib_increment_simple_counter (is_slow_path ? &sm->
- counters.slowpath.in2out.
- icmp : &sm->counters.fastpath.
- in2out.icmp, thread_index,
- sw_if_index0, 1);
+ next0 = nat44_ei_icmp_in2out_slow_path (
+ nm, b0, ip0, icmp0, sw_if_index0, rx_fib_index0, node, next0,
+ now, thread_index, &s0);
+ vlib_increment_simple_counter (
+ is_slow_path ? &nm->counters.slowpath.in2out.icmp :
+ &nm->counters.fastpath.in2out.icmp,
+ thread_index, sw_if_index0, 1);
goto trace0;
}
}
{
if (PREDICT_FALSE (proto0 == NAT_PROTOCOL_OTHER))
{
- next0 = SNAT_IN2OUT_NEXT_SLOW_PATH;
+ next0 = NAT44_EI_IN2OUT_NEXT_SLOW_PATH;
goto trace0;
}
if (PREDICT_FALSE (proto0 == NAT_PROTOCOL_ICMP))
{
- next0 = SNAT_IN2OUT_NEXT_SLOW_PATH;
+ next0 = NAT44_EI_IN2OUT_NEXT_SLOW_PATH;
goto trace0;
}
}
vnet_buffer (b0)->ip.reass.l4_src_port, rx_fib_index0,
proto0);
- if (clib_bihash_search_8_8 (&sm->in2out, &kv0, &value0))
+ if (clib_bihash_search_8_8 (&nm->in2out, &kv0, &value0))
{
if (is_slow_path)
{
if (is_output_feature)
{
- if (PREDICT_FALSE
- (nat_not_translate_output_feature
- (sm, ip0, proto0,
+ if (PREDICT_FALSE (nat44_ei_not_translate_output_feature (
+ nm, ip0, proto0,
vnet_buffer (b0)->ip.reass.l4_src_port,
- vnet_buffer (b0)->ip.reass.l4_dst_port,
- thread_index, sw_if_index0)))
+ vnet_buffer (b0)->ip.reass.l4_dst_port, thread_index,
+ sw_if_index0)))
goto trace0;
/*
}
else
{
- if (PREDICT_FALSE
- (snat_not_translate
- (sm, node, sw_if_index0, ip0, proto0, rx_fib_index0,
+ if (PREDICT_FALSE (nat44_ei_not_translate (
+ nm, node, sw_if_index0, ip0, proto0, rx_fib_index0,
thread_index)))
goto trace0;
}
- next0 =
- slow_path (sm, b0, ip0, ip0->src_address,
- vnet_buffer (b0)->ip.reass.l4_src_port,
- rx_fib_index0, proto0, &s0, node, next0,
- thread_index, now);
+ next0 = slow_path (nm, b0, ip0, ip0->src_address,
+ vnet_buffer (b0)->ip.reass.l4_src_port,
+ rx_fib_index0, proto0, &s0, node, next0,
+ thread_index, now);
- if (PREDICT_FALSE (next0 == SNAT_IN2OUT_NEXT_DROP))
+ if (PREDICT_FALSE (next0 == NAT44_EI_IN2OUT_NEXT_DROP))
goto trace0;
if (PREDICT_FALSE (!s0))
}
else
{
- next0 = SNAT_IN2OUT_NEXT_SLOW_PATH;
+ next0 = NAT44_EI_IN2OUT_NEXT_SLOW_PATH;
goto trace0;
}
}
else
- s0 = pool_elt_at_index (sm->per_thread_data[thread_index].sessions,
+ s0 = pool_elt_at_index (nm->per_thread_data[thread_index].sessions,
nat_value_get_session_index (&value0));
b0->flags |= VNET_BUFFER_F_IS_NATED;
ip_csum_update (sum0, old_port0, new_port0,
ip4_header_t /* cheat */ ,
length /* changed member */ );
- mss_clamping (sm->mss_clamping, tcp0, &sum0);
+ mss_clamping (nm->mss_clamping, tcp0, &sum0);
tcp0->checksum = ip_csum_fold (sum0);
}
- vlib_increment_simple_counter (is_slow_path ? &sm->
- counters.slowpath.in2out.tcp : &sm->
- counters.fastpath.in2out.tcp,
+ vlib_increment_simple_counter (is_slow_path ?
+ &nm->counters.slowpath.in2out.tcp :
+ &nm->counters.fastpath.in2out.tcp,
thread_index, sw_if_index0, 1);
}
else
udp0->checksum = ip_csum_fold (sum0);
}
}
- vlib_increment_simple_counter (is_slow_path ? &sm->
- counters.slowpath.in2out.udp : &sm->
- counters.fastpath.in2out.udp,
+ vlib_increment_simple_counter (is_slow_path ?
+ &nm->counters.slowpath.in2out.udp :
+ &nm->counters.fastpath.in2out.udp,
thread_index, sw_if_index0, 1);
}
nat44_ei_session_update_counters (
s0, now, vlib_buffer_length_in_chain (vm, b0), thread_index);
/* Per-user LRU list maintenance */
- nat44_session_update_lru (sm, s0, thread_index);
+ nat44_ei_session_update_lru (nm, s0, thread_index);
trace0:
if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)
&& (b0->flags & VLIB_BUFFER_IS_TRACED)))
{
- snat_in2out_trace_t *t = vlib_add_trace (vm, node, b0, sizeof (*t));
+ nat44_ei_in2out_trace_t *t =
+ vlib_add_trace (vm, node, b0, sizeof (*t));
t->is_slow_path = is_slow_path;
t->sw_if_index = sw_if_index0;
t->next_index = next0;
t->session_index = ~0;
if (s0)
- t->session_index =
- s0 - sm->per_thread_data[thread_index].sessions;
+ t->session_index = s0 - nm->per_thread_data[thread_index].sessions;
}
- if (next0 == SNAT_IN2OUT_NEXT_DROP)
+ if (next0 == NAT44_EI_IN2OUT_NEXT_DROP)
{
- vlib_increment_simple_counter (is_slow_path ? &sm->
- counters.slowpath.in2out.
- drops : &sm->counters.fastpath.
- in2out.drops, thread_index,
- sw_if_index0, 1);
+ vlib_increment_simple_counter (
+ is_slow_path ? &nm->counters.slowpath.in2out.drops :
+ &nm->counters.fastpath.in2out.drops,
+ thread_index, sw_if_index0, 1);
}
n_left_from--;
return frame->n_vectors;
}
-VLIB_NODE_FN (snat_in2out_node) (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+VLIB_NODE_FN (nat44_ei_in2out_node)
+(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
{
- return snat_in2out_node_fn_inline (vm, node, frame, 0 /* is_slow_path */ ,
- 0);
+ return nat44_ei_in2out_node_fn_inline (vm, node, frame, 0 /* is_slow_path */,
+ 0);
}
-VLIB_REGISTER_NODE (snat_in2out_node) = {
- .name = "nat44-in2out",
+VLIB_REGISTER_NODE (nat44_ei_in2out_node) = {
+ .name = "nat44-ei-in2out",
.vector_size = sizeof (u32),
- .format_trace = format_snat_in2out_trace,
+ .format_trace = format_nat44_ei_in2out_trace,
.type = VLIB_NODE_TYPE_INTERNAL,
- .n_errors = ARRAY_LEN(snat_in2out_error_strings),
- .error_strings = snat_in2out_error_strings,
+ .n_errors = ARRAY_LEN(nat44_ei_in2out_error_strings),
+ .error_strings = nat44_ei_in2out_error_strings,
- .runtime_data_bytes = sizeof (snat_runtime_t),
+ .runtime_data_bytes = sizeof (nat44_ei_runtime_t),
- .n_next_nodes = SNAT_IN2OUT_N_NEXT,
+ .n_next_nodes = NAT44_EI_IN2OUT_N_NEXT,
/* edit / add dispositions here */
.next_nodes = {
- [SNAT_IN2OUT_NEXT_DROP] = "error-drop",
- [SNAT_IN2OUT_NEXT_LOOKUP] = "ip4-lookup",
- [SNAT_IN2OUT_NEXT_SLOW_PATH] = "nat44-in2out-slowpath",
- [SNAT_IN2OUT_NEXT_ICMP_ERROR] = "ip4-icmp-error",
- [SNAT_IN2OUT_NEXT_HAIRPINNING_HANDOFF] = "nat44-in2out-hairpinning-handoff-ip4-lookup",
+ [NAT44_EI_IN2OUT_NEXT_DROP] = "error-drop",
+ [NAT44_EI_IN2OUT_NEXT_LOOKUP] = "ip4-lookup",
+ [NAT44_EI_IN2OUT_NEXT_SLOW_PATH] = "nat44-ei-in2out-slowpath",
+ [NAT44_EI_IN2OUT_NEXT_ICMP_ERROR] = "ip4-icmp-error",
+ [NAT44_EI_IN2OUT_NEXT_HAIRPINNING_HANDOFF] = "nat44-ei-in2out-hairpinning-handoff-ip4-lookup",
},
};
-VLIB_NODE_FN (snat_in2out_output_node) (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+VLIB_NODE_FN (nat44_ei_in2out_output_node)
+(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
{
- return snat_in2out_node_fn_inline (vm, node, frame, 0 /* is_slow_path */ ,
- 1);
+ return nat44_ei_in2out_node_fn_inline (vm, node, frame, 0 /* is_slow_path */,
+ 1);
}
-VLIB_REGISTER_NODE (snat_in2out_output_node) = {
- .name = "nat44-in2out-output",
+VLIB_REGISTER_NODE (nat44_ei_in2out_output_node) = {
+ .name = "nat44-ei-in2out-output",
.vector_size = sizeof (u32),
- .format_trace = format_snat_in2out_trace,
+ .format_trace = format_nat44_ei_in2out_trace,
.type = VLIB_NODE_TYPE_INTERNAL,
- .n_errors = ARRAY_LEN(snat_in2out_error_strings),
- .error_strings = snat_in2out_error_strings,
+ .n_errors = ARRAY_LEN(nat44_ei_in2out_error_strings),
+ .error_strings = nat44_ei_in2out_error_strings,
- .runtime_data_bytes = sizeof (snat_runtime_t),
+ .runtime_data_bytes = sizeof (nat44_ei_runtime_t),
- .n_next_nodes = SNAT_IN2OUT_N_NEXT,
+ .n_next_nodes = NAT44_EI_IN2OUT_N_NEXT,
/* edit / add dispositions here */
.next_nodes = {
- [SNAT_IN2OUT_NEXT_DROP] = "error-drop",
- [SNAT_IN2OUT_NEXT_LOOKUP] = "interface-output",
- [SNAT_IN2OUT_NEXT_SLOW_PATH] = "nat44-in2out-output-slowpath",
- [SNAT_IN2OUT_NEXT_ICMP_ERROR] = "ip4-icmp-error",
- [SNAT_IN2OUT_NEXT_HAIRPINNING_HANDOFF] = "nat44-in2out-hairpinning-handoff-interface-output",
+ [NAT44_EI_IN2OUT_NEXT_DROP] = "error-drop",
+ [NAT44_EI_IN2OUT_NEXT_LOOKUP] = "interface-output",
+ [NAT44_EI_IN2OUT_NEXT_SLOW_PATH] = "nat44-ei-in2out-output-slowpath",
+ [NAT44_EI_IN2OUT_NEXT_ICMP_ERROR] = "ip4-icmp-error",
+ [NAT44_EI_IN2OUT_NEXT_HAIRPINNING_HANDOFF] = "nat44-ei-in2out-hairpinning-handoff-interface-output",
},
};
-VLIB_NODE_FN (snat_in2out_slowpath_node) (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+VLIB_NODE_FN (nat44_ei_in2out_slowpath_node)
+(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
{
- return snat_in2out_node_fn_inline (vm, node, frame, 1 /* is_slow_path */ ,
- 0);
+ return nat44_ei_in2out_node_fn_inline (vm, node, frame, 1 /* is_slow_path */,
+ 0);
}
-VLIB_REGISTER_NODE (snat_in2out_slowpath_node) = {
- .name = "nat44-in2out-slowpath",
+VLIB_REGISTER_NODE (nat44_ei_in2out_slowpath_node) = {
+ .name = "nat44-ei-in2out-slowpath",
.vector_size = sizeof (u32),
- .format_trace = format_snat_in2out_trace,
+ .format_trace = format_nat44_ei_in2out_trace,
.type = VLIB_NODE_TYPE_INTERNAL,
- .n_errors = ARRAY_LEN(snat_in2out_error_strings),
- .error_strings = snat_in2out_error_strings,
+ .n_errors = ARRAY_LEN(nat44_ei_in2out_error_strings),
+ .error_strings = nat44_ei_in2out_error_strings,
- .runtime_data_bytes = sizeof (snat_runtime_t),
+ .runtime_data_bytes = sizeof (nat44_ei_runtime_t),
- .n_next_nodes = SNAT_IN2OUT_N_NEXT,
+ .n_next_nodes = NAT44_EI_IN2OUT_N_NEXT,
/* edit / add dispositions here */
.next_nodes = {
- [SNAT_IN2OUT_NEXT_DROP] = "error-drop",
- [SNAT_IN2OUT_NEXT_LOOKUP] = "ip4-lookup",
- [SNAT_IN2OUT_NEXT_SLOW_PATH] = "nat44-in2out-slowpath",
- [SNAT_IN2OUT_NEXT_ICMP_ERROR] = "ip4-icmp-error",
- [SNAT_IN2OUT_NEXT_HAIRPINNING_HANDOFF] = "nat44-in2out-hairpinning-handoff-ip4-lookup",
+ [NAT44_EI_IN2OUT_NEXT_DROP] = "error-drop",
+ [NAT44_EI_IN2OUT_NEXT_LOOKUP] = "ip4-lookup",
+ [NAT44_EI_IN2OUT_NEXT_SLOW_PATH] = "nat44-ei-in2out-slowpath",
+ [NAT44_EI_IN2OUT_NEXT_ICMP_ERROR] = "ip4-icmp-error",
+ [NAT44_EI_IN2OUT_NEXT_HAIRPINNING_HANDOFF] = "nat44-ei-in2out-hairpinning-handoff-ip4-lookup",
},
};
-VLIB_NODE_FN (snat_in2out_output_slowpath_node) (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+VLIB_NODE_FN (nat44_ei_in2out_output_slowpath_node)
+(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
{
- return snat_in2out_node_fn_inline (vm, node, frame, 1 /* is_slow_path */ ,
- 1);
+ return nat44_ei_in2out_node_fn_inline (vm, node, frame, 1 /* is_slow_path */,
+ 1);
}
-VLIB_REGISTER_NODE (snat_in2out_output_slowpath_node) = {
- .name = "nat44-in2out-output-slowpath",
+VLIB_REGISTER_NODE (nat44_ei_in2out_output_slowpath_node) = {
+ .name = "nat44-ei-in2out-output-slowpath",
.vector_size = sizeof (u32),
- .format_trace = format_snat_in2out_trace,
+ .format_trace = format_nat44_ei_in2out_trace,
.type = VLIB_NODE_TYPE_INTERNAL,
- .n_errors = ARRAY_LEN(snat_in2out_error_strings),
- .error_strings = snat_in2out_error_strings,
+ .n_errors = ARRAY_LEN(nat44_ei_in2out_error_strings),
+ .error_strings = nat44_ei_in2out_error_strings,
- .runtime_data_bytes = sizeof (snat_runtime_t),
+ .runtime_data_bytes = sizeof (nat44_ei_runtime_t),
- .n_next_nodes = SNAT_IN2OUT_N_NEXT,
+ .n_next_nodes = NAT44_EI_IN2OUT_N_NEXT,
/* edit / add dispositions here */
.next_nodes = {
- [SNAT_IN2OUT_NEXT_DROP] = "error-drop",
- [SNAT_IN2OUT_NEXT_LOOKUP] = "interface-output",
- [SNAT_IN2OUT_NEXT_SLOW_PATH] = "nat44-in2out-output-slowpath",
- [SNAT_IN2OUT_NEXT_ICMP_ERROR] = "ip4-icmp-error",
- [SNAT_IN2OUT_NEXT_HAIRPINNING_HANDOFF] = "nat44-in2out-hairpinning-handoff-interface-output",
+ [NAT44_EI_IN2OUT_NEXT_DROP] = "error-drop",
+ [NAT44_EI_IN2OUT_NEXT_LOOKUP] = "interface-output",
+ [NAT44_EI_IN2OUT_NEXT_SLOW_PATH] = "nat44-ei-in2out-output-slowpath",
+ [NAT44_EI_IN2OUT_NEXT_ICMP_ERROR] = "ip4-icmp-error",
+ [NAT44_EI_IN2OUT_NEXT_HAIRPINNING_HANDOFF] = "nat44-ei-in2out-hairpinning-handoff-interface-output",
},
};
-VLIB_NODE_FN (snat_in2out_fast_node) (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+VLIB_NODE_FN (nat44_ei_in2out_fast_node)
+(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
{
u32 n_left_from, *from, *to_next;
u32 thread_index = vm->thread_index;
- snat_in2out_next_t next_index;
- snat_main_t *sm = &snat_main;
+ nat44_ei_in2out_next_t next_index;
+ nat44_ei_main_t *nm = &nat44_ei_main;
int is_hairpinning = 0;
from = vlib_frame_vector_args (frame);
n_left_to_next -= 1;
b0 = vlib_get_buffer (vm, bi0);
- next0 = SNAT_IN2OUT_NEXT_LOOKUP;
+ next0 = NAT44_EI_IN2OUT_NEXT_LOOKUP;
ip0 = vlib_buffer_get_current (b0);
udp0 = ip4_next_header (ip0);
icmp4_error_set_vnet_buffer (b0, ICMP4_time_exceeded,
ICMP4_time_exceeded_ttl_exceeded_in_transit,
0);
- next0 = SNAT_IN2OUT_NEXT_ICMP_ERROR;
+ next0 = NAT44_EI_IN2OUT_NEXT_ICMP_ERROR;
goto trace0;
}
if (PREDICT_FALSE (proto0 == NAT_PROTOCOL_ICMP))
{
- next0 = icmp_in2out (sm, b0, ip0, icmp0, sw_if_index0,
- rx_fib_index0, node, next0, ~0, 0);
+ next0 = nat44_ei_icmp_in2out (b0, ip0, icmp0, sw_if_index0,
+ rx_fib_index0, node, next0, ~0, 0);
goto trace0;
}
ip0->src_address, udp0->src_port, rx_fib_index0, proto0,
&sm0_addr, &sm0_port, &sm0_fib_index, 0, 0, 0))
{
- b0->error = node->errors[SNAT_IN2OUT_ERROR_NO_TRANSLATION];
- next0 = SNAT_IN2OUT_NEXT_DROP;
+ b0->error = node->errors[NAT44_EI_IN2OUT_ERROR_NO_TRANSLATION];
+ next0 = NAT44_EI_IN2OUT_NEXT_DROP;
goto trace0;
}
sum0 = ip_csum_update (sum0, old_port0, new_port0,
ip4_header_t /* cheat */ ,
length /* changed member */ );
- mss_clamping (sm->mss_clamping, tcp0, &sum0);
+ mss_clamping (nm->mss_clamping, tcp0, &sum0);
tcp0->checksum = ip_csum_fold (sum0);
}
else if (udp0->checksum)
sum0 = ip_csum_update (sum0, old_addr0, new_addr0,
ip4_header_t,
dst_address /* changed member */ );
- mss_clamping (sm->mss_clamping, tcp0, &sum0);
+ mss_clamping (nm->mss_clamping, tcp0, &sum0);
tcp0->checksum = ip_csum_fold (sum0);
}
else if (udp0->checksum)
}
/* Hairpinning */
- is_hairpinning = snat_hairpinning (
- vm, node, sm, thread_index, b0, ip0, udp0, tcp0, proto0,
+ is_hairpinning = nat44_ei_hairpinning (
+ vm, node, nm, thread_index, b0, ip0, udp0, tcp0, proto0,
0 /* do_trace */, &required_thread_index);
if (thread_index != required_thread_index)
{
vnet_buffer (b0)->snat.required_thread_index =
required_thread_index;
- next0 = SNAT_IN2OUT_NEXT_HAIRPINNING_HANDOFF;
+ next0 = NAT44_EI_IN2OUT_NEXT_HAIRPINNING_HANDOFF;
}
trace0:
if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)
&& (b0->flags & VLIB_BUFFER_IS_TRACED)))
{
- snat_in2out_trace_t *t =
+ nat44_ei_in2out_trace_t *t =
vlib_add_trace (vm, node, b0, sizeof (*t));
t->sw_if_index = sw_if_index0;
t->next_index = next0;
t->is_hairpinning = is_hairpinning;
}
- if (next0 != SNAT_IN2OUT_NEXT_DROP)
+ if (next0 != NAT44_EI_IN2OUT_NEXT_DROP)
{
- vlib_increment_simple_counter (&sm->counters.fastpath.
- in2out.other, sw_if_index0,
- vm->thread_index, 1);
+ vlib_increment_simple_counter (
+ &nm->counters.fastpath.in2out.other, sw_if_index0,
+ vm->thread_index, 1);
}
/* verify speculative enqueue, maybe switch current next frame */
return frame->n_vectors;
}
-VLIB_REGISTER_NODE (snat_in2out_fast_node) = {
- .name = "nat44-in2out-fast",
+VLIB_REGISTER_NODE (nat44_ei_in2out_fast_node) = {
+ .name = "nat44-ei-in2out-fast",
.vector_size = sizeof (u32),
- .format_trace = format_snat_in2out_fast_trace,
+ .format_trace = format_nat44_ei_in2out_fast_trace,
.type = VLIB_NODE_TYPE_INTERNAL,
- .n_errors = ARRAY_LEN(snat_in2out_error_strings),
- .error_strings = snat_in2out_error_strings,
+ .n_errors = ARRAY_LEN(nat44_ei_in2out_error_strings),
+ .error_strings = nat44_ei_in2out_error_strings,
- .runtime_data_bytes = sizeof (snat_runtime_t),
+ .runtime_data_bytes = sizeof (nat44_ei_runtime_t),
- .n_next_nodes = SNAT_IN2OUT_N_NEXT,
+ .n_next_nodes = NAT44_EI_IN2OUT_N_NEXT,
/* edit / add dispositions here */
.next_nodes = {
- [SNAT_IN2OUT_NEXT_DROP] = "error-drop",
- [SNAT_IN2OUT_NEXT_LOOKUP] = "ip4-lookup",
- [SNAT_IN2OUT_NEXT_SLOW_PATH] = "nat44-in2out-slowpath",
- [SNAT_IN2OUT_NEXT_ICMP_ERROR] = "ip4-icmp-error",
- [SNAT_IN2OUT_NEXT_HAIRPINNING_HANDOFF] = "nat44-in2out-hairpinning-handoff-ip4-lookup",
+ [NAT44_EI_IN2OUT_NEXT_DROP] = "error-drop",
+ [NAT44_EI_IN2OUT_NEXT_LOOKUP] = "ip4-lookup",
+ [NAT44_EI_IN2OUT_NEXT_SLOW_PATH] = "nat44-ei-in2out-slowpath",
+ [NAT44_EI_IN2OUT_NEXT_ICMP_ERROR] = "ip4-icmp-error",
+ [NAT44_EI_IN2OUT_NEXT_HAIRPINNING_HANDOFF] = "nat44-ei-in2out-hairpinning-handoff-ip4-lookup",
},
};
-VLIB_NODE_FN (nat44_in2out_hairpinning_handoff_ip4_lookup_node)
+VLIB_NODE_FN (nat44_ei_in2out_hairpinning_handoff_ip4_lookup_node)
(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
{
- return nat44_hairpinning_handoff_fn_inline (
+ return nat44_ei_hairpinning_handoff_fn_inline (
vm, node, frame,
- snat_main.nat44_in2out_hairpinning_finish_ip4_lookup_node_fq_index);
+ nat44_ei_main.in2out_hairpinning_finish_ip4_lookup_node_fq_index);
}
-VLIB_REGISTER_NODE (nat44_in2out_hairpinning_handoff_ip4_lookup_node) = {
- .name = "nat44-in2out-hairpinning-handoff-ip4-lookup",
+VLIB_REGISTER_NODE (nat44_ei_in2out_hairpinning_handoff_ip4_lookup_node) = {
+ .name = "nat44-ei-in2out-hairpinning-handoff-ip4-lookup",
.vector_size = sizeof (u32),
- .n_errors = ARRAY_LEN(nat44_hairpinning_handoff_error_strings),
- .error_strings = nat44_hairpinning_handoff_error_strings,
- .format_trace = format_nat44_hairpinning_handoff_trace,
+ .n_errors = ARRAY_LEN(nat44_ei_hairpinning_handoff_error_strings),
+ .error_strings = nat44_ei_hairpinning_handoff_error_strings,
+ .format_trace = format_nat44_ei_hairpinning_handoff_trace,
.n_next_nodes = 1,
},
};
-VLIB_NODE_FN (nat44_in2out_hairpinning_handoff_interface_output_node)
+VLIB_NODE_FN (nat44_ei_in2out_hairpinning_handoff_interface_output_node)
(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
{
- return nat44_hairpinning_handoff_fn_inline (
+ return nat44_ei_hairpinning_handoff_fn_inline (
vm, node, frame,
- snat_main.nat44_in2out_hairpinning_finish_interface_output_node_fq_index);
+ nat44_ei_main.in2out_hairpinning_finish_interface_output_node_fq_index);
}
-VLIB_REGISTER_NODE (nat44_in2out_hairpinning_handoff_interface_output_node) = {
- .name = "nat44-in2out-hairpinning-handoff-interface-output",
+VLIB_REGISTER_NODE (nat44_ei_in2out_hairpinning_handoff_interface_output_node) = {
+ .name = "nat44-ei-in2out-hairpinning-handoff-interface-output",
.vector_size = sizeof (u32),
- .n_errors = ARRAY_LEN(nat44_hairpinning_handoff_error_strings),
- .error_strings = nat44_hairpinning_handoff_error_strings,
- .format_trace = format_nat44_hairpinning_handoff_trace,
+ .n_errors = ARRAY_LEN(nat44_ei_hairpinning_handoff_error_strings),
+ .error_strings = nat44_ei_hairpinning_handoff_error_strings,
+ .format_trace = format_nat44_ei_hairpinning_handoff_trace,
.n_next_nodes = 1,
};
static_always_inline int
-nat44_in2out_hairpinning_finish_inline (vlib_main_t *vm,
- vlib_node_runtime_t *node,
- vlib_frame_t *frame)
+nat44_ei_in2out_hairpinning_finish_inline (vlib_main_t *vm,
+ vlib_node_runtime_t *node,
+ vlib_frame_t *frame)
{
u32 n_left_from, *from, *to_next;
u32 thread_index = vm->thread_index;
- snat_in2out_next_t next_index;
- snat_main_t *sm = &snat_main;
+ nat44_ei_in2out_next_t next_index;
+ nat44_ei_main_t *nm = &nat44_ei_main;
int is_hairpinning = 0;
from = vlib_frame_vector_args (frame);
n_left_to_next -= 1;
b0 = vlib_get_buffer (vm, bi0);
- next0 = NAT44_IN2OUT_HAIRPINNING_FINISH_NEXT_LOOKUP;
+ next0 = NAT44_EI_IN2OUT_HAIRPINNING_FINISH_NEXT_LOOKUP;
ip0 = vlib_buffer_get_current (b0);
udp0 = ip4_next_header (ip0);
case NAT_PROTOCOL_TCP:
// fallthrough
case NAT_PROTOCOL_UDP:
- is_hairpinning = snat_hairpinning (
- vm, node, sm, thread_index, b0, ip0, udp0, tcp0, proto0,
+ is_hairpinning = nat44_ei_hairpinning (
+ vm, node, nm, thread_index, b0, ip0, udp0, tcp0, proto0,
0 /* do_trace */, &required_thread_index);
break;
case NAT_PROTOCOL_ICMP:
- is_hairpinning =
- (0 == snat_icmp_hairpinning (sm, b0, thread_index, ip0, icmp0,
- &required_thread_index));
+ is_hairpinning = (0 == nat44_ei_icmp_hairpinning (
+ nm, b0, thread_index, ip0, icmp0,
+ &required_thread_index));
break;
case NAT_PROTOCOL_OTHER:
// this should never happen
- next0 = NAT44_IN2OUT_HAIRPINNING_FINISH_NEXT_DROP;
+ next0 = NAT44_EI_IN2OUT_HAIRPINNING_FINISH_NEXT_DROP;
break;
}
if (thread_index != required_thread_index)
{
// but we already did a handoff ...
- next0 = NAT44_IN2OUT_HAIRPINNING_FINISH_NEXT_DROP;
+ next0 = NAT44_EI_IN2OUT_HAIRPINNING_FINISH_NEXT_DROP;
}
if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE) &&
(b0->flags & VLIB_BUFFER_IS_TRACED)))
{
- snat_in2out_trace_t *t =
+ nat44_ei_in2out_trace_t *t =
vlib_add_trace (vm, node, b0, sizeof (*t));
t->sw_if_index = sw_if_index0;
t->next_index = next0;
t->is_hairpinning = is_hairpinning;
}
- if (next0 != NAT44_IN2OUT_HAIRPINNING_FINISH_NEXT_DROP)
+ if (next0 != NAT44_EI_IN2OUT_HAIRPINNING_FINISH_NEXT_DROP)
{
vlib_increment_simple_counter (
- &sm->counters.fastpath.in2out.other, sw_if_index0,
+ &nm->counters.fastpath.in2out.other, sw_if_index0,
vm->thread_index, 1);
}
return frame->n_vectors;
}
-VLIB_NODE_FN (nat44_in2out_hairpinning_finish_ip4_lookup_node)
+VLIB_NODE_FN (nat44_ei_in2out_hairpinning_finish_ip4_lookup_node)
(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
{
- return nat44_in2out_hairpinning_finish_inline (vm, node, frame);
+ return nat44_ei_in2out_hairpinning_finish_inline (vm, node, frame);
}
-VLIB_REGISTER_NODE (nat44_in2out_hairpinning_finish_ip4_lookup_node) = {
- .name = "nat44-in2out-hairpinning-finish-ip4-lookup",
+VLIB_REGISTER_NODE (nat44_ei_in2out_hairpinning_finish_ip4_lookup_node) = {
+ .name = "nat44-ei-in2out-hairpinning-finish-ip4-lookup",
.vector_size = sizeof (u32),
- .format_trace = format_snat_in2out_fast_trace,
+ .format_trace = format_nat44_ei_in2out_fast_trace,
.type = VLIB_NODE_TYPE_INTERNAL,
- .n_errors = ARRAY_LEN(snat_in2out_error_strings),
- .error_strings = snat_in2out_error_strings,
+ .n_errors = ARRAY_LEN(nat44_ei_in2out_error_strings),
+ .error_strings = nat44_ei_in2out_error_strings,
- .runtime_data_bytes = sizeof (snat_runtime_t),
+ .runtime_data_bytes = sizeof (nat44_ei_runtime_t),
- .n_next_nodes = NAT44_IN2OUT_HAIRPINNING_FINISH_N_NEXT,
+ .n_next_nodes = NAT44_EI_IN2OUT_HAIRPINNING_FINISH_N_NEXT,
/* edit / add dispositions here */
.next_nodes = {
- [NAT44_IN2OUT_HAIRPINNING_FINISH_NEXT_DROP] = "error-drop",
- [NAT44_IN2OUT_HAIRPINNING_FINISH_NEXT_LOOKUP] = "ip4-lookup",
+ [NAT44_EI_IN2OUT_HAIRPINNING_FINISH_NEXT_DROP] = "error-drop",
+ [NAT44_EI_IN2OUT_HAIRPINNING_FINISH_NEXT_LOOKUP] = "ip4-lookup",
},
};
-VLIB_NODE_FN (nat44_in2out_hairpinning_finish_interface_output_node)
+VLIB_NODE_FN (nat44_ei_in2out_hairpinning_finish_interface_output_node)
(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
{
- return nat44_in2out_hairpinning_finish_inline (vm, node, frame);
+ return nat44_ei_in2out_hairpinning_finish_inline (vm, node, frame);
}
-VLIB_REGISTER_NODE (nat44_in2out_hairpinning_finish_interface_output_node) = {
- .name = "nat44-in2out-hairpinning-finish-interface-output",
+VLIB_REGISTER_NODE (nat44_ei_in2out_hairpinning_finish_interface_output_node) = {
+ .name = "nat44-ei-in2out-hairpinning-finish-interface-output",
.vector_size = sizeof (u32),
- .format_trace = format_snat_in2out_fast_trace,
+ .format_trace = format_nat44_ei_in2out_fast_trace,
.type = VLIB_NODE_TYPE_INTERNAL,
- .n_errors = ARRAY_LEN(snat_in2out_error_strings),
- .error_strings = snat_in2out_error_strings,
+ .n_errors = ARRAY_LEN(nat44_ei_in2out_error_strings),
+ .error_strings = nat44_ei_in2out_error_strings,
- .runtime_data_bytes = sizeof (snat_runtime_t),
+ .runtime_data_bytes = sizeof (nat44_ei_runtime_t),
- .n_next_nodes = NAT44_IN2OUT_HAIRPINNING_FINISH_N_NEXT,
+ .n_next_nodes = NAT44_EI_IN2OUT_HAIRPINNING_FINISH_N_NEXT,
/* edit / add dispositions here */
.next_nodes = {
- [NAT44_IN2OUT_HAIRPINNING_FINISH_NEXT_DROP] = "error-drop",
- [NAT44_IN2OUT_HAIRPINNING_FINISH_NEXT_LOOKUP] = "interface-output",
+ [NAT44_EI_IN2OUT_HAIRPINNING_FINISH_NEXT_DROP] = "error-drop",
+ [NAT44_EI_IN2OUT_HAIRPINNING_FINISH_NEXT_LOOKUP] = "interface-output",
},
};
Code Review / vpp.git / blobdiff