*/
#include "map.h"
-#include <vnet/ip/ip_frag.h>
-#include <vnet/ip/ip6_to_ip4.h>
#include <vnet/ip/ip4_to_ip6.h>
-
-#define IP6_MAP_T_DUAL_LOOP
+#include <vnet/ip/ip6_to_ip4.h>
+#include <vnet/ip/ip_frag.h>
typedef enum
{
{
u32 *ignore = NULL;
map_ip4_reass_lock ();
- map_ip4_reass_t *r = map_ip4_reass_get (map_get_ip4 (&ip6->src_address,
- d->flags),
- ip6_map_t_embedded_address (d,
- &ip6->
- dst_address),
- frag_id_6to4 (frag->identification),
- (ip6->protocol ==
- IP_PROTOCOL_ICMP6) ?
- IP_PROTOCOL_ICMP : ip6->protocol,
- &ignore);
+ map_ip4_reass_t *r =
+ map_ip4_reass_get (map_get_ip4 (&ip6->src_address, d->ip6_src_len),
+ ip6_map_t_embedded_address (d, &ip6->dst_address),
+ frag_id_6to4 (frag->identification),
+ (ip6->protocol ==
+ IP_PROTOCOL_ICMP6) ? IP_PROTOCOL_ICMP : ip6->protocol,
+ &ignore);
if (r)
r->port = port;
{
u32 *ignore = NULL;
map_ip4_reass_lock ();
- map_ip4_reass_t *r = map_ip4_reass_get (map_get_ip4 (&ip6->src_address,
- d->flags),
- ip6_map_t_embedded_address (d,
- &ip6->
- dst_address),
- frag_id_6to4 (frag->identification),
- (ip6->protocol ==
- IP_PROTOCOL_ICMP6) ?
- IP_PROTOCOL_ICMP : ip6->protocol,
- &ignore);
+ map_ip4_reass_t *r =
+ map_ip4_reass_get (map_get_ip4 (&ip6->src_address, d->ip6_src_len),
+ ip6_map_t_embedded_address (d, &ip6->dst_address),
+ frag_id_6to4 (frag->identification),
+ (ip6->protocol ==
+ IP_PROTOCOL_ICMP6) ? IP_PROTOCOL_ICMP : ip6->protocol,
+ &ignore);
i32 ret = r ? r->port : -1;
map_ip4_reass_unlock ();
return ret;
typedef struct
{
map_domain_t *d;
- u16 id;
+ u16 sender_port;
} icmp6_to_icmp_ctx_t;
static int
ip6_to_ip4_set_icmp_cb (ip6_header_t * ip6, ip4_header_t * ip4, void *arg)
{
icmp6_to_icmp_ctx_t *ctx = arg;
- map_main_t *mm = &map_main;
-
- if (mm->is_ce)
- {
- u32 ip4_dadr;
-
- //Security check
- //Note that this prevents an intermediate IPv6 router from answering the request
- ip4_dadr = map_get_ip4 (&ip6->dst_address, ctx->d->flags);
- if (ip6->dst_address.as_u64[0] !=
- map_get_pfx_net (ctx->d, ip4_dadr, ctx->id)
- || ip6->dst_address.as_u64[1] != map_get_sfx_net (ctx->d, ip4_dadr,
- ctx->id))
- return -1;
-
- ip4->src_address.as_u32 =
- ip6_map_t_embedded_address (ctx->d, &ip6->src_address);
- ip4->dst_address.as_u32 = ip4_dadr;
- }
- else
- {
- u32 ip4_sadr;
-
- //Security check
- //Note that this prevents an intermediate IPv6 router from answering the request
- ip4_sadr = map_get_ip4 (&ip6->src_address, ctx->d->flags);
- if (ip6->src_address.as_u64[0] !=
- map_get_pfx_net (ctx->d, ip4_sadr, ctx->id)
- || ip6->src_address.as_u64[1] != map_get_sfx_net (ctx->d, ip4_sadr,
- ctx->id))
- return -1;
-
- ip4->dst_address.as_u32 =
- ip6_map_t_embedded_address (ctx->d, &ip6->dst_address);
- ip4->src_address.as_u32 = ip4_sadr;
- }
+ u32 ip4_sadr;
+
+ // Security check
+ // Note that this prevents an intermediate IPv6 router from answering
+ // the request.
+ ip4_sadr = map_get_ip4 (&ip6->src_address, ctx->d->flags);
+ if (ip6->src_address.as_u64[0] !=
+ map_get_pfx_net (ctx->d, ip4_sadr, ctx->sender_port)
+ || ip6->src_address.as_u64[1] != map_get_sfx_net (ctx->d, ip4_sadr,
+ ctx->sender_port))
+ return -1;
+
+ ip4->dst_address.as_u32 =
+ ip6_map_t_embedded_address (ctx->d, &ip6->dst_address);
+ ip4->src_address.as_u32 = ip4_sadr;
return 0;
}
void *arg)
{
icmp6_to_icmp_ctx_t *ctx = arg;
- map_main_t *mm = &map_main;
+ u32 inner_ip4_dadr;
- if (mm->is_ce)
- {
- u32 inner_ip4_sadr;
-
- //Security check of inner packet
- inner_ip4_sadr = map_get_ip4 (&ip6->src_address, ctx->d->flags);
- if (ip6->src_address.as_u64[0] !=
- map_get_pfx_net (ctx->d, inner_ip4_sadr, ctx->id)
- || ip6->src_address.as_u64[1] != map_get_sfx_net (ctx->d,
- inner_ip4_sadr,
- ctx->id))
- return -1;
-
- ip4->src_address.as_u32 = inner_ip4_sadr;
- ip4->dst_address.as_u32 =
- ip6_map_t_embedded_address (ctx->d, &ip6->dst_address);
- }
- else
- {
- u32 inner_ip4_dadr;
-
- //Security check of inner packet
- inner_ip4_dadr = map_get_ip4 (&ip6->dst_address, ctx->d->flags);
- if (ip6->dst_address.as_u64[0] !=
- map_get_pfx_net (ctx->d, inner_ip4_dadr, ctx->id)
- || ip6->dst_address.as_u64[1] != map_get_sfx_net (ctx->d,
- inner_ip4_dadr,
- ctx->id))
- return -1;
-
- ip4->dst_address.as_u32 = inner_ip4_dadr;
- ip4->src_address.as_u32 =
- ip6_map_t_embedded_address (ctx->d, &ip6->src_address);
- }
+ //Security check of inner packet
+ inner_ip4_dadr = map_get_ip4 (&ip6->dst_address, ctx->d->flags);
+ if (ip6->dst_address.as_u64[0] !=
+ map_get_pfx_net (ctx->d, inner_ip4_dadr, ctx->sender_port)
+ || ip6->dst_address.as_u64[1] != map_get_sfx_net (ctx->d,
+ inner_ip4_dadr,
+ ctx->sender_port))
+ return -1;
+
+ ip4->dst_address.as_u32 = inner_ip4_dadr;
+ ip4->src_address.as_u32 =
+ ip6_map_t_embedded_address (ctx->d, &ip6->src_address);
return 0;
}
u16 len0;
icmp6_to_icmp_ctx_t ctx0;
ip6_header_t *ip60;
- icmp46_header_t *icmp0;
pi0 = to_next[0] = from[0];
from += 1;
p0 = vlib_get_buffer (vm, pi0);
ip60 = vlib_buffer_get_current (p0);
len0 = clib_net_to_host_u16 (ip60->payload_length);
- icmp0 = (icmp46_header_t *) (ip60 + 1);
d0 =
pool_elt_at_index (map_main.domains,
vnet_buffer (p0)->map_t.map_domain_index);
-
- ctx0.id =
- ip6_get_port (ip60, icmp0->type == ICMP6_echo_request,
- p0->current_length);
+ ctx0.sender_port = ip6_get_port (ip60, 0, p0->current_length);
ctx0.d = d0;
- if (ctx0.id == 0)
+ if (ctx0.sender_port == 0)
{
// In case of 1:1 mapping, we don't care about the port
if (!(d0->ea_bits_len == 0 && d0->rules))
if (vnet_buffer (p0)->map_t.mtu < p0->current_length)
{
- //Send to fragmentation node if necessary
+ // Send to fragmentation node if necessary
vnet_buffer (p0)->ip_frag.mtu = vnet_buffer (p0)->map_t.mtu;
- vnet_buffer (p0)->ip_frag.header_offset = 0;
vnet_buffer (p0)->ip_frag.next_index = IP4_FRAG_NEXT_IP4_LOOKUP;
next0 = IP6_MAPT_ICMP_NEXT_IP4_FRAG;
}
return frame->n_vectors;
}
-static int
-ip6_to_ip4_set_cb (ip6_header_t * ip6, ip4_header_t * ip4, void *ctx)
+/*
+ * Translate IPv6 fragmented packet to IPv4.
+ */
+always_inline int
+map_ip6_to_ip4_fragmented (vlib_buffer_t * p)
{
- vlib_buffer_t *p = ctx;
+ ip6_header_t *ip6;
+ ip6_frag_hdr_t *frag;
+ ip4_header_t *ip4;
+ u16 frag_id;
+ u8 frag_more;
+ u16 frag_offset;
+ u8 l4_protocol;
+ u16 l4_offset;
+
+ ip6 = vlib_buffer_get_current (p);
+
+ if (ip6_parse
+ (ip6, p->current_length, &l4_protocol, &l4_offset, &frag_offset))
+ return -1;
+
+ frag = (ip6_frag_hdr_t *) u8_ptr_add (ip6, frag_offset);
+ ip4 = (ip4_header_t *) u8_ptr_add (ip6, l4_offset - sizeof (*ip4));
+ vlib_buffer_advance (p, l4_offset - sizeof (*ip4));
+
+ frag_id = frag_id_6to4 (frag->identification);
+ frag_more = ip6_frag_hdr_more (frag);
+ frag_offset = ip6_frag_hdr_offset (frag);
ip4->dst_address.as_u32 = vnet_buffer (p)->map_t.v6.daddr;
ip4->src_address.as_u32 = vnet_buffer (p)->map_t.v6.saddr;
+ ip4->ip_version_and_header_length =
+ IP4_VERSION_AND_HEADER_LENGTH_NO_OPTIONS;
+ ip4->tos = ip6_translate_tos (ip6);
+ ip4->length =
+ u16_net_add (ip6->payload_length,
+ sizeof (*ip4) - l4_offset + sizeof (*ip6));
+ ip4->fragment_id = frag_id;
+ ip4->flags_and_fragment_offset =
+ clib_host_to_net_u16 (frag_offset |
+ (frag_more ? IP4_HEADER_FLAG_MORE_FRAGMENTS : 0));
+ ip4->ttl = ip6->hop_limit;
+ ip4->protocol =
+ (l4_protocol == IP_PROTOCOL_ICMP6) ? IP_PROTOCOL_ICMP : l4_protocol;
+ ip4->checksum = ip4_header_checksum (ip4);
+
return 0;
}
{
vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
-#ifdef IP6_MAP_T_DUAL_LOOP
- while (n_left_from >= 4 && n_left_to_next >= 2)
- {
- u32 pi0, pi1;
- vlib_buffer_t *p0, *p1;
- u32 next0, next1;
-
- pi0 = to_next[0] = from[0];
- pi1 = to_next[1] = from[1];
- from += 2;
- n_left_from -= 2;
- to_next += 2;
- n_left_to_next -= 2;
-
- next0 = IP6_MAPT_TCP_UDP_NEXT_IP4_LOOKUP;
- next1 = IP6_MAPT_TCP_UDP_NEXT_IP4_LOOKUP;
- p0 = vlib_get_buffer (vm, pi0);
- p1 = vlib_get_buffer (vm, pi1);
-
- if (ip6_to_ip4_fragmented (p0, ip6_to_ip4_set_cb, p0))
- {
- p0->error = error_node->errors[MAP_ERROR_FRAGMENT_DROPPED];
- next0 = IP6_MAPT_FRAGMENTED_NEXT_DROP;
- }
- else
- {
- if (vnet_buffer (p0)->map_t.mtu < p0->current_length)
- {
- //Send to fragmentation node if necessary
- vnet_buffer (p0)->ip_frag.mtu = vnet_buffer (p0)->map_t.mtu;
- vnet_buffer (p0)->ip_frag.header_offset = 0;
- vnet_buffer (p0)->ip_frag.next_index =
- IP4_FRAG_NEXT_IP4_LOOKUP;
- next0 = IP6_MAPT_FRAGMENTED_NEXT_IP4_FRAG;
- }
- }
-
- if (ip6_to_ip4_fragmented (p1, ip6_to_ip4_set_cb, p1))
- {
- p1->error = error_node->errors[MAP_ERROR_FRAGMENT_DROPPED];
- next1 = IP6_MAPT_FRAGMENTED_NEXT_DROP;
- }
- else
- {
- if (vnet_buffer (p1)->map_t.mtu < p1->current_length)
- {
- //Send to fragmentation node if necessary
- vnet_buffer (p1)->ip_frag.mtu = vnet_buffer (p1)->map_t.mtu;
- vnet_buffer (p1)->ip_frag.header_offset = 0;
- vnet_buffer (p1)->ip_frag.next_index =
- IP4_FRAG_NEXT_IP4_LOOKUP;
- next1 = IP6_MAPT_FRAGMENTED_NEXT_IP4_FRAG;
- }
- }
-
- vlib_validate_buffer_enqueue_x2 (vm, node, next_index,
- to_next, n_left_to_next, pi0, pi1,
- next0, next1);
- }
-#endif
-
while (n_left_from > 0 && n_left_to_next > 0)
{
u32 pi0;
next0 = IP6_MAPT_TCP_UDP_NEXT_IP4_LOOKUP;
p0 = vlib_get_buffer (vm, pi0);
- if (ip6_to_ip4_fragmented (p0, ip6_to_ip4_set_cb, p0))
+ if (map_ip6_to_ip4_fragmented (p0))
{
p0->error = error_node->errors[MAP_ERROR_FRAGMENT_DROPPED];
next0 = IP6_MAPT_FRAGMENTED_NEXT_DROP;
{
if (vnet_buffer (p0)->map_t.mtu < p0->current_length)
{
- //Send to fragmentation node if necessary
+ // Send to fragmentation node if necessary
vnet_buffer (p0)->ip_frag.mtu = vnet_buffer (p0)->map_t.mtu;
- vnet_buffer (p0)->ip_frag.header_offset = 0;
vnet_buffer (p0)->ip_frag.next_index =
IP4_FRAG_NEXT_IP4_LOOKUP;
next0 = IP6_MAPT_FRAGMENTED_NEXT_IP4_FRAG;
return frame->n_vectors;
}
+/*
+ * Translate IPv6 UDP/TCP packet to IPv4.
+ */
+always_inline int
+map_ip6_to_ip4_tcp_udp (vlib_buffer_t * p, bool udp_checksum)
+{
+ map_main_t *mm = &map_main;
+ ip6_header_t *ip6;
+ u16 *checksum;
+ ip_csum_t csum = 0;
+ ip4_header_t *ip4;
+ u16 fragment_id;
+ u16 flags;
+ u16 frag_offset;
+ u8 l4_protocol;
+ u16 l4_offset;
+ ip6_address_t old_src, old_dst;
+
+ ip6 = vlib_buffer_get_current (p);
+
+ if (ip6_parse
+ (ip6, p->current_length, &l4_protocol, &l4_offset, &frag_offset))
+ return -1;
+
+ if (l4_protocol == IP_PROTOCOL_TCP)
+ {
+ tcp_header_t *tcp = ip6_next_header (ip6);
+ if (mm->tcp_mss > 0)
+ {
+ csum = tcp->checksum;
+ map_mss_clamping (tcp, &csum, mm->tcp_mss);
+ tcp->checksum = ip_csum_fold (csum);
+ }
+ checksum = &tcp->checksum;
+ }
+ else
+ {
+ udp_header_t *udp = ip6_next_header (ip6);
+ checksum = &udp->checksum;
+ }
+
+ old_src.as_u64[0] = ip6->src_address.as_u64[0];
+ old_src.as_u64[1] = ip6->src_address.as_u64[1];
+ old_dst.as_u64[0] = ip6->dst_address.as_u64[0];
+ old_dst.as_u64[1] = ip6->dst_address.as_u64[1];
+
+ ip4 = (ip4_header_t *) u8_ptr_add (ip6, l4_offset - sizeof (*ip4));
+
+ vlib_buffer_advance (p, l4_offset - sizeof (*ip4));
+
+ if (PREDICT_FALSE (frag_offset))
+ {
+ // Only the first fragment
+ ip6_frag_hdr_t *hdr = (ip6_frag_hdr_t *) u8_ptr_add (ip6, frag_offset);
+ fragment_id = frag_id_6to4 (hdr->identification);
+ flags = clib_host_to_net_u16 (IP4_HEADER_FLAG_MORE_FRAGMENTS);
+ }
+ else
+ {
+ fragment_id = 0;
+ flags = 0;
+ }
+
+ ip4->dst_address.as_u32 = vnet_buffer (p)->map_t.v6.daddr;
+ ip4->src_address.as_u32 = vnet_buffer (p)->map_t.v6.saddr;
+
+ ip4->ip_version_and_header_length =
+ IP4_VERSION_AND_HEADER_LENGTH_NO_OPTIONS;
+ ip4->tos = ip6_translate_tos (ip6);
+ ip4->length =
+ u16_net_add (ip6->payload_length,
+ sizeof (*ip4) + sizeof (*ip6) - l4_offset);
+ ip4->fragment_id = fragment_id;
+ ip4->flags_and_fragment_offset = flags;
+ ip4->ttl = ip6->hop_limit;
+ ip4->protocol = l4_protocol;
+ ip4->checksum = ip4_header_checksum (ip4);
+
+ // UDP checksum is optional over IPv4
+ if (!udp_checksum && l4_protocol == IP_PROTOCOL_UDP)
+ {
+ *checksum = 0;
+ }
+ else
+ {
+ csum = ip_csum_sub_even (*checksum, old_src.as_u64[0]);
+ csum = ip_csum_sub_even (csum, old_src.as_u64[1]);
+ csum = ip_csum_sub_even (csum, old_dst.as_u64[0]);
+ csum = ip_csum_sub_even (csum, old_dst.as_u64[1]);
+ csum = ip_csum_add_even (csum, ip4->dst_address.as_u32);
+ csum = ip_csum_add_even (csum, ip4->src_address.as_u32);
+ *checksum = ip_csum_fold (csum);
+ }
+
+ return 0;
+}
+
static uword
ip6_map_t_tcp_udp (vlib_main_t * vm,
vlib_node_runtime_t * node, vlib_frame_t * frame)
{
vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
-#ifdef IP6_MAP_T_DUAL_LOOP
- while (n_left_from >= 4 && n_left_to_next >= 2)
- {
- u32 pi0, pi1;
- vlib_buffer_t *p0, *p1;
- ip6_mapt_tcp_udp_next_t next0, next1;
-
- pi0 = to_next[0] = from[0];
- pi1 = to_next[1] = from[1];
- from += 2;
- n_left_from -= 2;
- to_next += 2;
- n_left_to_next -= 2;
- next0 = IP6_MAPT_TCP_UDP_NEXT_IP4_LOOKUP;
- next1 = IP6_MAPT_TCP_UDP_NEXT_IP4_LOOKUP;
-
- p0 = vlib_get_buffer (vm, pi0);
- p1 = vlib_get_buffer (vm, pi1);
-
- if (ip6_to_ip4_tcp_udp (p0, ip6_to_ip4_set_cb, p0, 1))
- {
- p0->error = error_node->errors[MAP_ERROR_UNKNOWN];
- next0 = IP6_MAPT_TCP_UDP_NEXT_DROP;
- }
- else
- {
- if (vnet_buffer (p0)->map_t.mtu < p0->current_length)
- {
- //Send to fragmentation node if necessary
- vnet_buffer (p0)->ip_frag.mtu = vnet_buffer (p0)->map_t.mtu;
- vnet_buffer (p0)->ip_frag.header_offset = 0;
- vnet_buffer (p0)->ip_frag.next_index =
- IP4_FRAG_NEXT_IP4_LOOKUP;
- next0 = IP6_MAPT_TCP_UDP_NEXT_IP4_FRAG;
- }
- }
-
- if (ip6_to_ip4_tcp_udp (p1, ip6_to_ip4_set_cb, p1, 1))
- {
- p1->error = error_node->errors[MAP_ERROR_UNKNOWN];
- next1 = IP6_MAPT_TCP_UDP_NEXT_DROP;
- }
- else
- {
- if (vnet_buffer (p1)->map_t.mtu < p1->current_length)
- {
- //Send to fragmentation node if necessary
- vnet_buffer (p1)->ip_frag.mtu = vnet_buffer (p1)->map_t.mtu;
- vnet_buffer (p1)->ip_frag.header_offset = 0;
- vnet_buffer (p1)->ip_frag.next_index =
- IP4_FRAG_NEXT_IP4_LOOKUP;
- next1 = IP6_MAPT_TCP_UDP_NEXT_IP4_FRAG;
- }
- }
-
- vlib_validate_buffer_enqueue_x2 (vm, node, next_index, to_next,
- n_left_to_next, pi0, pi1, next0,
- next1);
- }
-#endif
-
while (n_left_from > 0 && n_left_to_next > 0)
{
u32 pi0;
p0 = vlib_get_buffer (vm, pi0);
- if (ip6_to_ip4_tcp_udp (p0, ip6_to_ip4_set_cb, p0, 1))
+ if (map_ip6_to_ip4_tcp_udp (p0, true))
{
p0->error = error_node->errors[MAP_ERROR_UNKNOWN];
next0 = IP6_MAPT_TCP_UDP_NEXT_DROP;
{
if (vnet_buffer (p0)->map_t.mtu < p0->current_length)
{
- //Send to fragmentation node if necessary
+ // Send to fragmentation node if necessary
vnet_buffer (p0)->ip_frag.mtu = vnet_buffer (p0)->map_t.mtu;
- vnet_buffer (p0)->ip_frag.header_offset = 0;
vnet_buffer (p0)->ip_frag.next_index =
IP4_FRAG_NEXT_IP4_LOOKUP;
next0 = IP6_MAPT_TCP_UDP_NEXT_IP4_FRAG;
return frame->n_vectors;
}
-static_always_inline void
-ip6_map_t_classify (vlib_buffer_t * p0, ip6_header_t * ip60,
- map_domain_t * d0, i32 * map_port0,
- u8 * error0, ip6_mapt_next_t * next0,
- u32 l4_len0, ip6_frag_hdr_t * frag0)
-{
- map_main_t *mm = &map_main;
- u32 port_offset;
-
- if (mm->is_ce)
- port_offset = 2;
- else
- port_offset = 0;
-
- if (PREDICT_FALSE (vnet_buffer (p0)->map_t.v6.frag_offset &&
- ip6_frag_hdr_offset (frag0)))
- {
- *next0 = IP6_MAPT_NEXT_MAPT_FRAGMENTED;
- if (d0->ea_bits_len == 0 && d0->rules)
- {
- *map_port0 = 0;
- }
- else
- {
- *map_port0 = ip6_map_fragment_get (ip60, frag0, d0);
- *error0 = (*map_port0 != -1) ? *error0 : MAP_ERROR_FRAGMENT_DROPPED;
- }
- }
- else
- if (PREDICT_TRUE
- (vnet_buffer (p0)->map_t.v6.l4_protocol == IP_PROTOCOL_TCP))
- {
- *error0 =
- l4_len0 < sizeof (tcp_header_t) ? MAP_ERROR_MALFORMED : *error0;
- vnet_buffer (p0)->map_t.checksum_offset =
- vnet_buffer (p0)->map_t.v6.l4_offset + 16;
- *next0 = IP6_MAPT_NEXT_MAPT_TCP_UDP;
- *map_port0 =
- (i32) *
- ((u16 *)
- u8_ptr_add (ip60,
- vnet_buffer (p0)->map_t.v6.l4_offset + port_offset));
- }
- else
- if (PREDICT_TRUE
- (vnet_buffer (p0)->map_t.v6.l4_protocol == IP_PROTOCOL_UDP))
- {
- *error0 =
- l4_len0 < sizeof (udp_header_t) ? MAP_ERROR_MALFORMED : *error0;
- vnet_buffer (p0)->map_t.checksum_offset =
- vnet_buffer (p0)->map_t.v6.l4_offset + 6;
- *next0 = IP6_MAPT_NEXT_MAPT_TCP_UDP;
- *map_port0 =
- (i32) *
- ((u16 *)
- u8_ptr_add (ip60,
- vnet_buffer (p0)->map_t.v6.l4_offset + port_offset));
- }
- else if (vnet_buffer (p0)->map_t.v6.l4_protocol == IP_PROTOCOL_ICMP6)
- {
- *error0 =
- l4_len0 < sizeof (icmp46_header_t) ? MAP_ERROR_MALFORMED : *error0;
- *next0 = IP6_MAPT_NEXT_MAPT_ICMP;
- if (d0->ea_bits_len == 0 && d0->rules)
- {
- *map_port0 = 0;
- }
- else
- if (((icmp46_header_t *)
- u8_ptr_add (ip60,
- vnet_buffer (p0)->map_t.v6.l4_offset))->code ==
- ICMP6_echo_reply
- || ((icmp46_header_t *)
- u8_ptr_add (ip60,
- vnet_buffer (p0)->map_t.v6.l4_offset))->code ==
- ICMP6_echo_request)
- {
- *map_port0 =
- (i32) *
- ((u16 *)
- u8_ptr_add (ip60, vnet_buffer (p0)->map_t.v6.l4_offset + 6));
- }
- }
- else
- {
- //TODO: In case of 1:1 mapping, it might be possible to do something with those packets.
- *error0 = MAP_ERROR_BAD_PROTOCOL;
- }
-}
-
static uword
ip6_map_t (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame)
{
u32 n_left_from, *from, next_index, *to_next, n_left_to_next;
vlib_node_runtime_t *error_node =
vlib_node_get_runtime (vm, ip6_map_t_node.index);
- map_main_t *mm = &map_main;
vlib_combined_counter_main_t *cm = map_main.domain_counters;
u32 thread_index = vm->thread_index;
{
vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
-#ifdef IP6_MAP_T_DUAL_LOOP
- while (n_left_from >= 4 && n_left_to_next >= 2)
- {
- u32 pi0, pi1;
- vlib_buffer_t *p0, *p1;
- ip6_header_t *ip60, *ip61;
- u8 error0, error1;
- ip6_mapt_next_t next0, next1;
- u32 l4_len0, l4_len1;
- i32 map_port0, map_port1;
- map_domain_t *d0, *d1;
- ip6_frag_hdr_t *frag0, *frag1;
- next0 = next1 = 0; //Because compiler whines
-
- pi0 = to_next[0] = from[0];
- pi1 = to_next[1] = from[1];
- from += 2;
- n_left_from -= 2;
- to_next += 2;
- n_left_to_next -= 2;
-
- error0 = MAP_ERROR_NONE;
- error1 = MAP_ERROR_NONE;
-
- p0 = vlib_get_buffer (vm, pi0);
- p1 = vlib_get_buffer (vm, pi1);
- ip60 = vlib_buffer_get_current (p0);
- ip61 = vlib_buffer_get_current (p1);
-
- if (mm->is_ce)
- {
- u32 daddr0, daddr1;
- daddr0 = 0; /* TODO */
- daddr1 = 0; /* TODO */
- /* NOTE: ip6_map_get_domain currently doesn't utilize second argument */
-
- daddr0 = map_get_ip4 (&ip60->dst_address, 0 /*TODO*/);
- daddr1 = map_get_ip4 (&ip61->dst_address, 0 /*TODO*/);
- d0 =
- ip6_map_get_domain (vnet_buffer (p0)->ip.adj_index[VLIB_TX],
- (ip4_address_t *) & daddr0,
- &vnet_buffer (p0)->map_t.map_domain_index,
- &error0);
- d1 =
- ip6_map_get_domain (vnet_buffer (p1)->ip.adj_index[VLIB_TX],
- (ip4_address_t *) & daddr1,
- &vnet_buffer (p1)->map_t.map_domain_index,
- &error1);
-
- daddr0 = map_get_ip4 (&ip60->dst_address, d0->flags);
- daddr1 = map_get_ip4 (&ip61->dst_address, d1->flags);
-
- vnet_buffer (p0)->map_t.v6.daddr = daddr0;
- vnet_buffer (p1)->map_t.v6.daddr = daddr1;
- vnet_buffer (p0)->map_t.v6.saddr =
- ip6_map_t_embedded_address (d0, &ip60->src_address);
- vnet_buffer (p1)->map_t.v6.saddr =
- ip6_map_t_embedded_address (d1, &ip61->src_address);
- }
- else
- {
- u32 saddr0, saddr1;
- saddr0 = 0; /* TODO */
- saddr1 = 0; /* TODO */
- /* NOTE: ip6_map_get_domain currently doesn't utilize second argument */
-
- saddr0 = map_get_ip4 (&ip60->src_address, 0 /*TODO*/);
- saddr1 = map_get_ip4 (&ip61->src_address, 0 /*TODO*/);
- d0 =
- ip6_map_get_domain (vnet_buffer (p0)->ip.adj_index[VLIB_TX],
- (ip4_address_t *) & saddr0,
- &vnet_buffer (p0)->map_t.map_domain_index,
- &error0);
- d1 =
- ip6_map_get_domain (vnet_buffer (p1)->ip.adj_index[VLIB_TX],
- (ip4_address_t *) & saddr1,
- &vnet_buffer (p1)->map_t.map_domain_index,
- &error1);
-
- saddr0 = map_get_ip4 (&ip60->src_address, d0->flags);
- saddr1 = map_get_ip4 (&ip61->src_address, d1->flags);
-
- vnet_buffer (p0)->map_t.v6.saddr = saddr0;
- vnet_buffer (p1)->map_t.v6.saddr = saddr1;
- vnet_buffer (p0)->map_t.v6.daddr =
- ip6_map_t_embedded_address (d0, &ip60->dst_address);
- vnet_buffer (p1)->map_t.v6.daddr =
- ip6_map_t_embedded_address (d1, &ip61->dst_address);
- }
-
- vnet_buffer (p0)->map_t.mtu = d0->mtu ? d0->mtu : ~0;
- vnet_buffer (p1)->map_t.mtu = d1->mtu ? d1->mtu : ~0;
-
- if (PREDICT_FALSE (ip6_parse (ip60, p0->current_length,
- &(vnet_buffer (p0)->map_t.
- v6.l4_protocol),
- &(vnet_buffer (p0)->map_t.
- v6.l4_offset),
- &(vnet_buffer (p0)->map_t.
- v6.frag_offset))))
- {
- error0 = MAP_ERROR_MALFORMED;
- next0 = IP6_MAPT_NEXT_DROP;
- }
-
- if (PREDICT_FALSE (ip6_parse (ip61, p1->current_length,
- &(vnet_buffer (p1)->map_t.
- v6.l4_protocol),
- &(vnet_buffer (p1)->map_t.
- v6.l4_offset),
- &(vnet_buffer (p1)->map_t.
- v6.frag_offset))))
- {
- error1 = MAP_ERROR_MALFORMED;
- next1 = IP6_MAPT_NEXT_DROP;
- }
-
- map_port0 = map_port1 = -1;
- l4_len0 = (u32) clib_net_to_host_u16 (ip60->payload_length) +
- sizeof (*ip60) - vnet_buffer (p0)->map_t.v6.l4_offset;
- l4_len1 = (u32) clib_net_to_host_u16 (ip61->payload_length) +
- sizeof (*ip60) - vnet_buffer (p1)->map_t.v6.l4_offset;
- frag0 =
- (ip6_frag_hdr_t *) u8_ptr_add (ip60,
- vnet_buffer (p0)->map_t.
- v6.frag_offset);
- frag1 =
- (ip6_frag_hdr_t *) u8_ptr_add (ip61,
- vnet_buffer (p1)->map_t.
- v6.frag_offset);
-
- ip6_map_t_classify (p0, ip60, d0, &map_port0, &error0, &next0,
- l4_len0, frag0);
- ip6_map_t_classify (p1, ip61, d1, &map_port1, &error1, &next1,
- l4_len1, frag1);
-
- if (PREDICT_FALSE
- ((map_port0 != -1)
- && (ip60->src_address.as_u64[0] !=
- map_get_pfx_net (d0, vnet_buffer (p0)->map_t.v6.saddr,
- map_port0)
- || ip60->src_address.as_u64[1] != map_get_sfx_net (d0,
- vnet_buffer
- (p0)->map_t.v6.saddr,
- map_port0))))
- {
- error0 = MAP_ERROR_SEC_CHECK;
- }
-
- if (PREDICT_FALSE
- ((map_port1 != -1)
- && (ip61->src_address.as_u64[0] !=
- map_get_pfx_net (d1, vnet_buffer (p1)->map_t.v6.saddr,
- map_port1)
- || ip61->src_address.as_u64[1] != map_get_sfx_net (d1,
- vnet_buffer
- (p1)->map_t.v6.saddr,
- map_port1))))
- {
- error1 = MAP_ERROR_SEC_CHECK;
- }
-
- if (PREDICT_FALSE (vnet_buffer (p0)->map_t.v6.frag_offset &&
- !ip6_frag_hdr_offset ((ip6_frag_hdr_t *)
- u8_ptr_add (ip60,
- vnet_buffer
- (p0)->map_t.
- v6.frag_offset)))
- && (map_port0 != -1) && (d0->ea_bits_len != 0 || !d0->rules)
- && (error0 == MAP_ERROR_NONE))
- {
- ip6_map_fragment_cache (ip60,
- (ip6_frag_hdr_t *) u8_ptr_add (ip60,
- vnet_buffer
- (p0)->map_t.
- v6.frag_offset),
- d0, map_port0);
- }
-
- if (PREDICT_FALSE (vnet_buffer (p1)->map_t.v6.frag_offset &&
- !ip6_frag_hdr_offset ((ip6_frag_hdr_t *)
- u8_ptr_add (ip61,
- vnet_buffer
- (p1)->map_t.
- v6.frag_offset)))
- && (map_port1 != -1) && (d1->ea_bits_len != 0 || !d1->rules)
- && (error1 == MAP_ERROR_NONE))
- {
- ip6_map_fragment_cache (ip61,
- (ip6_frag_hdr_t *) u8_ptr_add (ip61,
- vnet_buffer
- (p1)->map_t.
- v6.frag_offset),
- d1, map_port1);
- }
-
- if (PREDICT_TRUE
- (error0 == MAP_ERROR_NONE && next0 != IP6_MAPT_NEXT_MAPT_ICMP))
- {
- vlib_increment_combined_counter (cm + MAP_DOMAIN_COUNTER_RX,
- thread_index,
- vnet_buffer (p0)->
- map_t.map_domain_index, 1,
- clib_net_to_host_u16
- (ip60->payload_length));
- }
-
- if (PREDICT_TRUE
- (error1 == MAP_ERROR_NONE && next1 != IP6_MAPT_NEXT_MAPT_ICMP))
- {
- vlib_increment_combined_counter (cm + MAP_DOMAIN_COUNTER_RX,
- thread_index,
- vnet_buffer (p1)->
- map_t.map_domain_index, 1,
- clib_net_to_host_u16
- (ip61->payload_length));
- }
-
- next0 = (error0 != MAP_ERROR_NONE) ? IP6_MAPT_NEXT_DROP : next0;
- next1 = (error1 != MAP_ERROR_NONE) ? IP6_MAPT_NEXT_DROP : next1;
- p0->error = error_node->errors[error0];
- p1->error = error_node->errors[error1];
- vlib_validate_buffer_enqueue_x2 (vm, node, next_index, to_next,
- n_left_to_next, pi0, pi1, next0,
- next1);
- }
-#endif
-
while (n_left_from > 0 && n_left_to_next > 0)
{
u32 pi0;
i32 map_port0;
map_domain_t *d0;
ip6_frag_hdr_t *frag0;
- u32 port_offset;
ip6_mapt_next_t next0 = 0;
+ u32 saddr;
pi0 = to_next[0] = from[0];
from += 1;
p0 = vlib_get_buffer (vm, pi0);
ip60 = vlib_buffer_get_current (p0);
- if (mm->is_ce)
- {
- u32 daddr;
- //Save daddr in a different variable to not overwrite ip.adj_index
- daddr = 0; /* TODO */
- /* NOTE: ip6_map_get_domain currently doesn't utilize second argument */
-
- daddr = map_get_ip4 (&ip60->dst_address, 0 /*TODO*/);
- d0 =
- ip6_map_get_domain (vnet_buffer (p0)->ip.adj_index[VLIB_TX],
- (ip4_address_t *) & daddr,
- &vnet_buffer (p0)->map_t.map_domain_index,
- &error0);
-
- daddr = map_get_ip4 (&ip60->dst_address, d0->flags);
-
- //FIXME: What if d0 is null
- vnet_buffer (p0)->map_t.v6.daddr = daddr;
- vnet_buffer (p0)->map_t.v6.saddr =
- ip6_map_t_embedded_address (d0, &ip60->src_address);
-
- port_offset = 2;
- }
- else
- {
- u32 saddr;
- //Save saddr in a different variable to not overwrite ip.adj_index
- saddr = 0; /* TODO */
- /* NOTE: ip6_map_get_domain currently doesn't utilize second argument */
-
- saddr = map_get_ip4 (&ip60->src_address, 0 /*TODO*/);
- d0 =
- ip6_map_get_domain (vnet_buffer (p0)->ip.adj_index[VLIB_TX],
- (ip4_address_t *) & saddr,
- &vnet_buffer (p0)->map_t.map_domain_index,
- &error0);
-
- saddr = map_get_ip4 (&ip60->src_address, d0->flags);
-
- //FIXME: What if d0 is null
- vnet_buffer (p0)->map_t.v6.saddr = saddr;
- vnet_buffer (p0)->map_t.v6.daddr =
- ip6_map_t_embedded_address (d0, &ip60->dst_address);
-
- port_offset = 0;
- }
-
+ d0 =
+ ip6_map_get_domain (&ip60->dst_address,
+ &vnet_buffer (p0)->map_t.map_domain_index,
+ &error0);
+ if (!d0)
+ { /* Guess it wasn't for us */
+ vnet_feature_next (&next0, p0);
+ goto exit;
+ }
+
+ saddr = map_get_ip4 (&ip60->src_address, d0->ip6_src_len);
+ vnet_buffer (p0)->map_t.v6.saddr = saddr;
+ vnet_buffer (p0)->map_t.v6.daddr =
+ ip6_map_t_embedded_address (d0, &ip60->dst_address);
vnet_buffer (p0)->map_t.mtu = d0->mtu ? d0->mtu : ~0;
- if (PREDICT_FALSE (ip6_parse (ip60, p0->current_length,
- &(vnet_buffer (p0)->map_t.
- v6.l4_protocol),
- &(vnet_buffer (p0)->map_t.
- v6.l4_offset),
- &(vnet_buffer (p0)->map_t.
- v6.frag_offset))))
+ if (PREDICT_FALSE
+ (ip6_parse (ip60, p0->current_length,
+ &(vnet_buffer (p0)->map_t.v6.l4_protocol),
+ &(vnet_buffer (p0)->map_t.v6.l4_offset),
+ &(vnet_buffer (p0)->map_t.v6.frag_offset))))
{
- error0 = MAP_ERROR_MALFORMED;
- next0 = IP6_MAPT_NEXT_DROP;
+ error0 =
+ error0 == MAP_ERROR_NONE ? MAP_ERROR_MALFORMED : error0;
}
map_port0 = -1;
- l4_len0 = (u32) clib_net_to_host_u16 (ip60->payload_length) +
+ l4_len0 =
+ (u32) clib_net_to_host_u16 (ip60->payload_length) +
sizeof (*ip60) - vnet_buffer (p0)->map_t.v6.l4_offset;
frag0 =
(ip6_frag_hdr_t *) u8_ptr_add (ip60,
- vnet_buffer (p0)->map_t.
- v6.frag_offset);
+ vnet_buffer (p0)->map_t.v6.
+ frag_offset);
-
- if (PREDICT_FALSE (vnet_buffer (p0)->map_t.v6.frag_offset &&
- ip6_frag_hdr_offset (frag0)))
+ if (PREDICT_FALSE
+ (vnet_buffer (p0)->map_t.v6.frag_offset
+ && ip6_frag_hdr_offset (frag0)))
{
map_port0 = ip6_map_fragment_get (ip60, frag0, d0);
- error0 = (map_port0 != -1) ? error0 : MAP_ERROR_FRAGMENT_MEMORY;
- next0 = IP6_MAPT_NEXT_MAPT_FRAGMENTED;
+ if (map_port0 == -1)
+ error0 =
+ error0 ==
+ MAP_ERROR_NONE ? MAP_ERROR_FRAGMENT_MEMORY : error0;
+ else
+ next0 = IP6_MAPT_NEXT_MAPT_FRAGMENTED;
}
else
if (PREDICT_TRUE
map_port0 =
(i32) *
((u16 *)
- u8_ptr_add (ip60,
- vnet_buffer (p0)->map_t.v6.l4_offset +
- port_offset));
+ u8_ptr_add (ip60, vnet_buffer (p0)->map_t.v6.l4_offset));
}
else
if (PREDICT_TRUE
map_port0 =
(i32) *
((u16 *)
- u8_ptr_add (ip60,
- vnet_buffer (p0)->map_t.v6.l4_offset +
- port_offset));
+ u8_ptr_add (ip60, vnet_buffer (p0)->map_t.v6.l4_offset));
}
else if (vnet_buffer (p0)->map_t.v6.l4_protocol ==
IP_PROTOCOL_ICMP6)
ICMP6_echo_reply
|| ((icmp46_header_t *)
u8_ptr_add (ip60,
- vnet_buffer (p0)->map_t.v6.
- l4_offset))->code == ICMP6_echo_request)
+ vnet_buffer (p0)->map_t.v6.l4_offset))->
+ code == ICMP6_echo_request)
map_port0 =
(i32) *
((u16 *)
}
else
{
- //TODO: In case of 1:1 mapping, it might be possible to do something with those packets.
+ // TODO: In case of 1:1 mapping, it might be possible to
+ // do something with those packets.
error0 = MAP_ERROR_BAD_PROTOCOL;
}
- //Security check
- if (PREDICT_FALSE
- ((!mm->is_ce) && (map_port0 != -1)
- && (ip60->src_address.as_u64[0] !=
- map_get_pfx_net (d0, vnet_buffer (p0)->map_t.v6.saddr,
- map_port0)
- || ip60->src_address.as_u64[1] != map_get_sfx_net (d0,
- vnet_buffer
- (p0)->map_t.v6.saddr,
- map_port0))))
+ if (PREDICT_FALSE (map_port0 != -1) &&
+ (ip60->src_address.as_u64[0] !=
+ map_get_pfx_net (d0, vnet_buffer (p0)->map_t.v6.saddr,
+ map_port0)
+ || ip60->src_address.as_u64[1] != map_get_sfx_net (d0,
+ vnet_buffer
+ (p0)->map_t.
+ v6.saddr,
+ map_port0)))
{
- //Security check when src_port0 is not zero (non-first fragment, UDP or TCP)
- error0 = MAP_ERROR_SEC_CHECK;
+ // Security check when map_port0 is not zero (non-first
+ // fragment, UDP or TCP)
+ error0 =
+ error0 == MAP_ERROR_NONE ? MAP_ERROR_SEC_CHECK : error0;
}
- //Fragmented first packet needs to be cached for following packets
- if (PREDICT_FALSE (vnet_buffer (p0)->map_t.v6.frag_offset &&
- !ip6_frag_hdr_offset ((ip6_frag_hdr_t *)
- u8_ptr_add (ip60,
- vnet_buffer
- (p0)->map_t.
- v6.frag_offset)))
+ // Fragmented first packet needs to be cached for following packets
+ if (PREDICT_FALSE
+ (vnet_buffer (p0)->map_t.v6.frag_offset
+ && !ip6_frag_hdr_offset ((ip6_frag_hdr_t *)
+ u8_ptr_add (ip60,
+ vnet_buffer (p0)->map_t.
+ v6.frag_offset)))
&& (map_port0 != -1) && (d0->ea_bits_len != 0 || !d0->rules)
&& (error0 == MAP_ERROR_NONE))
{
ip6_map_fragment_cache (ip60,
(ip6_frag_hdr_t *) u8_ptr_add (ip60,
vnet_buffer
- (p0)->map_t.
- v6.frag_offset),
+ (p0)->
+ map_t.v6.
+ frag_offset),
d0, map_port0);
}
{
vlib_increment_combined_counter (cm + MAP_DOMAIN_COUNTER_RX,
thread_index,
- vnet_buffer (p0)->
- map_t.map_domain_index, 1,
- clib_net_to_host_u16
- (ip60->payload_length));
+ vnet_buffer (p0)->map_t.
+ map_domain_index, 1,
+ clib_net_to_host_u16 (ip60->
+ payload_length));
}
next0 = (error0 != MAP_ERROR_NONE) ? IP6_MAPT_NEXT_DROP : next0;
p0->error = error_node->errors[error0];
+ exit:
vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
to_next, n_left_to_next, pi0,
next0);
}
static char *map_t_error_strings[] = {
-#define _(sym,string) string,
+#define _(sym, string) string,
foreach_map_error
#undef _
};
.error_strings = map_t_error_strings,
.n_next_nodes = IP6_MAPT_FRAGMENTED_N_NEXT,
- .next_nodes = {
- [IP6_MAPT_FRAGMENTED_NEXT_IP4_LOOKUP] = "ip4-lookup",
- [IP6_MAPT_FRAGMENTED_NEXT_IP4_FRAG] = IP4_FRAG_NODE_NAME,
- [IP6_MAPT_FRAGMENTED_NEXT_DROP] = "error-drop",
+ .next_nodes =
+ {
+ [IP6_MAPT_FRAGMENTED_NEXT_IP4_LOOKUP] = "ip4-lookup",
+ [IP6_MAPT_FRAGMENTED_NEXT_IP4_FRAG] = IP4_FRAG_NODE_NAME,
+ [IP6_MAPT_FRAGMENTED_NEXT_DROP] = "error-drop",
},
};
/* *INDENT-ON* */
.error_strings = map_t_error_strings,
.n_next_nodes = IP6_MAPT_ICMP_N_NEXT,
- .next_nodes = {
- [IP6_MAPT_ICMP_NEXT_IP4_LOOKUP] = "ip4-lookup",
- [IP6_MAPT_ICMP_NEXT_IP4_FRAG] = IP4_FRAG_NODE_NAME,
- [IP6_MAPT_ICMP_NEXT_DROP] = "error-drop",
+ .next_nodes =
+ {
+ [IP6_MAPT_ICMP_NEXT_IP4_LOOKUP] = "ip4-lookup",
+ [IP6_MAPT_ICMP_NEXT_IP4_FRAG] = IP4_FRAG_NODE_NAME,
+ [IP6_MAPT_ICMP_NEXT_DROP] = "error-drop",
},
};
/* *INDENT-ON* */
.error_strings = map_t_error_strings,
.n_next_nodes = IP6_MAPT_TCP_UDP_N_NEXT,
- .next_nodes = {
- [IP6_MAPT_TCP_UDP_NEXT_IP4_LOOKUP] = "ip4-lookup",
- [IP6_MAPT_TCP_UDP_NEXT_IP4_FRAG] = IP4_FRAG_NODE_NAME,
- [IP6_MAPT_TCP_UDP_NEXT_DROP] = "error-drop",
+ .next_nodes =
+ {
+ [IP6_MAPT_TCP_UDP_NEXT_IP4_LOOKUP] = "ip4-lookup",
+ [IP6_MAPT_TCP_UDP_NEXT_IP4_FRAG] = IP4_FRAG_NODE_NAME,
+ [IP6_MAPT_TCP_UDP_NEXT_DROP] = "error-drop",
},
};
/* *INDENT-ON* */
/* *INDENT-OFF* */
+VNET_FEATURE_INIT(ip4_map_t_feature, static) = {
+ .arc_name = "ip6-unicast",
+ .node_name = "ip6-map-t",
+ .runs_before = VNET_FEATURES("ip6-flow-classify"),
+};
+
VLIB_REGISTER_NODE(ip6_map_t_node) = {
.function = ip6_map_t,
.name = "ip6-map-t",
.error_strings = map_t_error_strings,
.n_next_nodes = IP6_MAPT_N_NEXT,
- .next_nodes = {
- [IP6_MAPT_NEXT_MAPT_TCP_UDP] = "ip6-map-t-tcp-udp",
- [IP6_MAPT_NEXT_MAPT_ICMP] = "ip6-map-t-icmp",
- [IP6_MAPT_NEXT_MAPT_FRAGMENTED] = "ip6-map-t-fragmented",
- [IP6_MAPT_NEXT_DROP] = "error-drop",
+ .next_nodes =
+ {
+ [IP6_MAPT_NEXT_MAPT_TCP_UDP] = "ip6-map-t-tcp-udp",
+ [IP6_MAPT_NEXT_MAPT_ICMP] = "ip6-map-t-icmp",
+ [IP6_MAPT_NEXT_MAPT_FRAGMENTED] = "ip6-map-t-fragmented",
+ [IP6_MAPT_NEXT_DROP] = "error-drop",
},
};
/* *INDENT-ON* */
Code Review / vpp.git / blobdiff