_(ESP_DECRYPT, "esp-decrypt")
#define _(v, s) IPSEC_INPUT_NEXT_##v,
-typedef enum {
+typedef enum
+{
foreach_ipsec_input_next
#undef _
- IPSEC_INPUT_N_NEXT,
+ IPSEC_INPUT_N_NEXT,
} ipsec_input_next_t;
_(DECRYPTION_FAILED, "IPSEC decryption failed")
-typedef enum {
+typedef enum
+{
#define _(sym,str) IPSEC_INPUT_ERROR_##sym,
foreach_ipsec_input_error
#undef _
- IPSEC_INPUT_N_ERROR,
+ IPSEC_INPUT_N_ERROR,
} ipsec_input_error_t;
-static char * ipsec_input_error_strings[] = {
+static char *ipsec_input_error_strings[] = {
#define _(sym,string) string,
foreach_ipsec_input_error
#undef _
};
-typedef struct {
+typedef struct
+{
u32 tunnel_index;
u32 spi;
u32 seq;
} ipsec_input_trace_t;
/* packet trace format function */
-static u8 * format_ipsec_input_trace (u8 * s, va_list * args)
+static u8 *
+format_ipsec_input_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 *);
- ipsec_input_trace_t * t = va_arg (*args, ipsec_input_trace_t *);
+ ipsec_input_trace_t *t = va_arg (*args, ipsec_input_trace_t *);
if (t->tunnel_index != ~0)
- {
- s = format (s, "esp: tunnel %u spi %u seq %u", t->tunnel_index, t->spi, t->seq);
- }
+ {
+ s =
+ format (s, "esp: tunnel %u spi %u seq %u", t->tunnel_index, t->spi,
+ t->seq);
+ }
else
- {
- s = format (s, "esp: no tunnel spi %u seq %u",t->spi, t->seq);
- }
+ {
+ s = format (s, "esp: no tunnel spi %u seq %u", t->spi, t->seq);
+ }
return s;
}
always_inline ipsec_policy_t *
-ipsec_input_protect_policy_match(ipsec_spd_t * spd, u32 sa, u32 da, u32 spi)
+ipsec_input_protect_policy_match (ipsec_spd_t * spd, u32 sa, u32 da, u32 spi)
{
ipsec_main_t *im = &ipsec_main;
- ipsec_policy_t * p;
- ipsec_sa_t * s;
- u32 * i;
+ ipsec_policy_t *p;
+ ipsec_sa_t *s;
+ u32 *i;
- vec_foreach(i, spd->ipv4_inbound_protect_policy_indices)
- {
- p = pool_elt_at_index(spd->policies, *i);
- s = pool_elt_at_index(im->sad, p->sa_index);
+ vec_foreach (i, spd->ipv4_inbound_protect_policy_indices)
+ {
+ p = pool_elt_at_index (spd->policies, *i);
+ s = pool_elt_at_index (im->sad, p->sa_index);
- if (spi != s->spi)
- continue;
+ if (spi != s->spi)
+ continue;
- if (s->is_tunnel)
- {
- if (da != clib_net_to_host_u32(s->tunnel_dst_addr.ip4.as_u32))
- continue;
+ if (s->is_tunnel)
+ {
+ if (da != clib_net_to_host_u32 (s->tunnel_dst_addr.ip4.as_u32))
+ continue;
- if (sa != clib_net_to_host_u32(s->tunnel_src_addr.ip4.as_u32))
- continue;
+ if (sa != clib_net_to_host_u32 (s->tunnel_src_addr.ip4.as_u32))
+ continue;
- return p;
- }
+ return p;
+ }
- if (da < clib_net_to_host_u32(p->laddr.start.ip4.as_u32))
- continue;
+ if (da < clib_net_to_host_u32 (p->laddr.start.ip4.as_u32))
+ continue;
- if (da > clib_net_to_host_u32(p->laddr.stop.ip4.as_u32))
- continue;
+ if (da > clib_net_to_host_u32 (p->laddr.stop.ip4.as_u32))
+ continue;
- if (sa < clib_net_to_host_u32(p->raddr.start.ip4.as_u32))
- continue;
+ if (sa < clib_net_to_host_u32 (p->raddr.start.ip4.as_u32))
+ continue;
- if (sa > clib_net_to_host_u32(p->raddr.stop.ip4.as_u32))
- continue;
+ if (sa > clib_net_to_host_u32 (p->raddr.stop.ip4.as_u32))
+ continue;
- return p;
- }
- return 0;
+ return p;
+ }
+ return 0;
}
always_inline uword
-ip6_addr_match_range (ip6_address_t * a, ip6_address_t * la, ip6_address_t * ua)
+ip6_addr_match_range (ip6_address_t * a, ip6_address_t * la,
+ ip6_address_t * ua)
{
- if ((memcmp(a->as_u64, la->as_u64, 2 * sizeof(u64)) >= 0) &&
- (memcmp(a->as_u64, ua->as_u64, 2 * sizeof(u64)) <= 0))
+ if ((memcmp (a->as_u64, la->as_u64, 2 * sizeof (u64)) >= 0) &&
+ (memcmp (a->as_u64, ua->as_u64, 2 * sizeof (u64)) <= 0))
return 1;
return 0;
}
always_inline ipsec_policy_t *
ipsec_input_ip6_protect_policy_match (ipsec_spd_t * spd,
- ip6_address_t * sa,
- ip6_address_t * da,
- u32 spi)
+ ip6_address_t * sa,
+ ip6_address_t * da, u32 spi)
{
ipsec_main_t *im = &ipsec_main;
- ipsec_policy_t * p;
- ipsec_sa_t * s;
- u32 * i;
+ ipsec_policy_t *p;
+ ipsec_sa_t *s;
+ u32 *i;
- vec_foreach(i, spd->ipv6_inbound_protect_policy_indices)
- {
- p = pool_elt_at_index(spd->policies, *i);
- s = pool_elt_at_index(im->sad, p->sa_index);
+ vec_foreach (i, spd->ipv6_inbound_protect_policy_indices)
+ {
+ p = pool_elt_at_index (spd->policies, *i);
+ s = pool_elt_at_index (im->sad, p->sa_index);
- if (spi != s->spi)
- continue;
+ if (spi != s->spi)
+ continue;
- if (s->is_tunnel)
- {
- if (!ip6_address_is_equal(sa, &s->tunnel_src_addr.ip6))
- continue;
+ if (s->is_tunnel)
+ {
+ if (!ip6_address_is_equal (sa, &s->tunnel_src_addr.ip6))
+ continue;
- if (!ip6_address_is_equal(da, &s->tunnel_dst_addr.ip6))
- continue;
+ if (!ip6_address_is_equal (da, &s->tunnel_dst_addr.ip6))
+ continue;
- return p;
- }
+ return p;
+ }
- if (!ip6_addr_match_range(sa, &p->raddr.start.ip6, &p->raddr.stop.ip6))
- continue;
+ if (!ip6_addr_match_range (sa, &p->raddr.start.ip6, &p->raddr.stop.ip6))
+ continue;
- if (!ip6_addr_match_range(da, &p->laddr.start.ip6, &p->laddr.stop.ip6))
- continue;
+ if (!ip6_addr_match_range (da, &p->laddr.start.ip6, &p->laddr.stop.ip6))
+ continue;
- return p;
- }
- return 0;
+ return p;
+ }
+ return 0;
}
static vlib_node_registration_t ipsec_input_ip4_node;
static uword
ipsec_input_ip4_node_fn (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * from_frame)
+ vlib_node_runtime_t * node,
+ vlib_frame_t * from_frame)
{
- ip4_main_t * i4m = &ip4_main;
- ip_lookup_main_t * lm = &i4m->lookup_main;
- ip_config_main_t * cm = &lm->rx_config_mains[VNET_UNICAST];
+ ip4_main_t *i4m = &ip4_main;
+ ip_lookup_main_t *lm = &i4m->lookup_main;
+ ip_config_main_t *cm = &lm->rx_config_mains[VNET_UNICAST];
u32 n_left_from, *from, next_index, *to_next;
ipsec_main_t *im = &ipsec_main;
vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
while (n_left_from > 0 && n_left_to_next > 0)
- {
- u32 bi0, next0;
- vlib_buffer_t * b0;
- ip4_header_t *ip0;
- esp_header_t *esp0;
- ip4_ipsec_config_t * c0;
- u32 tunnel_index0 = ~0;
- ipsec_spd_t * spd0;
-
- bi0 = to_next[0] = from[0];
- from += 1;
- n_left_from -= 1;
- to_next +=1;
- n_left_to_next -= 1;
-
- b0 = vlib_get_buffer (vm, bi0);
- c0 = vnet_get_config_data (&cm->config_main,
- &b0->current_config_index,
- &next0, sizeof (c0[0]));
-
- spd0 = pool_elt_at_index(im->spds, c0->spd_index);
-
- ip0 = vlib_buffer_get_current (b0);
- esp0 = (esp_header_t *) ((u8 *) ip0 + ip4_header_bytes (ip0));
-
- if (PREDICT_TRUE(ip0->protocol == IP_PROTOCOL_IPSEC_ESP))
- {
+ {
+ u32 bi0, next0;
+ vlib_buffer_t *b0;
+ ip4_header_t *ip0;
+ esp_header_t *esp0;
+ ip4_ipsec_config_t *c0;
+ u32 tunnel_index0 = ~0;
+ ipsec_spd_t *spd0;
+
+ bi0 = to_next[0] = from[0];
+ from += 1;
+ n_left_from -= 1;
+ to_next += 1;
+ n_left_to_next -= 1;
+
+ b0 = vlib_get_buffer (vm, bi0);
+ c0 = vnet_get_config_data (&cm->config_main,
+ &b0->current_config_index,
+ &next0, sizeof (c0[0]));
+
+ spd0 = pool_elt_at_index (im->spds, c0->spd_index);
+
+ ip0 = vlib_buffer_get_current (b0);
+ esp0 = (esp_header_t *) ((u8 *) ip0 + ip4_header_bytes (ip0));
+
+ if (PREDICT_TRUE (ip0->protocol == IP_PROTOCOL_IPSEC_ESP))
+ {
#if 0
- clib_warning("packet received from %U to %U spi %u size %u spd_id %u",
- format_ip4_address, ip0->src_address.as_u8,
- format_ip4_address, ip0->dst_address.as_u8,
- clib_net_to_host_u32(esp0->spi),
- clib_net_to_host_u16(ip0->length),
- spd0->id);
+ clib_warning
+ ("packet received from %U to %U spi %u size %u spd_id %u",
+ format_ip4_address, ip0->src_address.as_u8,
+ format_ip4_address, ip0->dst_address.as_u8,
+ clib_net_to_host_u32 (esp0->spi),
+ clib_net_to_host_u16 (ip0->length), spd0->id);
#endif
- ipsec_policy_t * p0;
- p0 = ipsec_input_protect_policy_match(spd0,
- clib_net_to_host_u32(ip0->src_address.as_u32),
- clib_net_to_host_u32(ip0->dst_address.as_u32),
- clib_net_to_host_u32(esp0->spi));
-
- if (PREDICT_TRUE(p0 != 0))
- {
- p0->counter.packets++;
- p0->counter.bytes += clib_net_to_host_u16(ip0->length);
- vnet_buffer(b0)->output_features.ipsec_sad_index = p0->sa_index;
- next0 = IPSEC_INPUT_NEXT_ESP_DECRYPT;
- vlib_buffer_advance(b0, ip4_header_bytes (ip0));
- goto trace0;
- }
- }
-
- /* FIXME bypass and discard */
-
-trace0:
- if (PREDICT_FALSE(b0->flags & VLIB_BUFFER_IS_TRACED)) {
- ipsec_input_trace_t *tr = vlib_add_trace (vm, node, b0, sizeof (*tr));
- tr->tunnel_index = tunnel_index0;
- tr->spi = clib_host_to_net_u32(esp0->spi);
- tr->seq = clib_host_to_net_u32(esp0->seq);
- }
-
- vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
- to_next, n_left_to_next, bi0, next0);
- }
+ ipsec_policy_t *p0;
+ p0 = ipsec_input_protect_policy_match (spd0,
+ clib_net_to_host_u32
+ (ip0->src_address.
+ as_u32),
+ clib_net_to_host_u32
+ (ip0->dst_address.
+ as_u32),
+ clib_net_to_host_u32
+ (esp0->spi));
+
+ if (PREDICT_TRUE (p0 != 0))
+ {
+ p0->counter.packets++;
+ p0->counter.bytes += clib_net_to_host_u16 (ip0->length);
+ vnet_buffer (b0)->output_features.ipsec_sad_index =
+ p0->sa_index;
+ next0 = IPSEC_INPUT_NEXT_ESP_DECRYPT;
+ vlib_buffer_advance (b0, ip4_header_bytes (ip0));
+ goto trace0;
+ }
+ }
+
+ /* FIXME bypass and discard */
+
+ trace0:
+ if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
+ {
+ ipsec_input_trace_t *tr =
+ vlib_add_trace (vm, node, b0, sizeof (*tr));
+ tr->tunnel_index = tunnel_index0;
+ tr->spi = clib_host_to_net_u32 (esp0->spi);
+ tr->seq = clib_host_to_net_u32 (esp0->seq);
+ }
+
+ vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
+ to_next, n_left_to_next, bi0,
+ next0);
+ }
vlib_put_next_frame (vm, node, next_index, n_left_to_next);
}
vlib_node_increment_counter (vm, ipsec_input_ip4_node.index,
- IPSEC_INPUT_ERROR_RX_PKTS,
- from_frame->n_vectors);
+ IPSEC_INPUT_ERROR_RX_PKTS,
+ from_frame->n_vectors);
return from_frame->n_vectors;
}
+/* *INDENT-OFF* */
VLIB_REGISTER_NODE (ipsec_input_ip4_node,static) = {
.function = ipsec_input_ip4_node_fn,
.name = "ipsec-input-ip4",
#undef _
},
};
+/* *INDENT-ON* */
-VLIB_NODE_FUNCTION_MULTIARCH (ipsec_input_ip4_node,
- ipsec_input_ip4_node_fn)
+VLIB_NODE_FUNCTION_MULTIARCH (ipsec_input_ip4_node, ipsec_input_ip4_node_fn)
+ static vlib_node_registration_t ipsec_input_ip6_node;
-
-static vlib_node_registration_t ipsec_input_ip6_node;
-
-static uword
-ipsec_input_ip6_node_fn (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * from_frame)
+ static uword
+ ipsec_input_ip6_node_fn (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * from_frame)
{
- ip6_main_t * i6m = &ip6_main;
- ip_lookup_main_t * lm = &i6m->lookup_main;
- ip_config_main_t * cm = &lm->rx_config_mains[VNET_UNICAST];
+ ip6_main_t *i6m = &ip6_main;
+ ip_lookup_main_t *lm = &i6m->lookup_main;
+ ip_config_main_t *cm = &lm->rx_config_mains[VNET_UNICAST];
u32 n_left_from, *from, next_index, *to_next;
ipsec_main_t *im = &ipsec_main;
vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
while (n_left_from > 0 && n_left_to_next > 0)
- {
- u32 bi0, next0;
- vlib_buffer_t * b0;
- ip6_header_t *ip0;
- esp_header_t *esp0;
- ip4_ipsec_config_t * c0;
- u32 tunnel_index0 = ~0;
- ipsec_spd_t * spd0;
- u32 header_size = sizeof(ip0[0]);
-
- bi0 = to_next[0] = from[0];
- from += 1;
- n_left_from -= 1;
- to_next +=1;
- n_left_to_next -= 1;
-
- b0 = vlib_get_buffer (vm, bi0);
- c0 = vnet_get_config_data (&cm->config_main,
- &b0->current_config_index,
- &next0, sizeof (c0[0]));
-
- spd0 = pool_elt_at_index(im->spds, c0->spd_index);
-
- ip0 = vlib_buffer_get_current (b0);
- esp0 = (esp_header_t *) ((u8 *) ip0 + header_size);
-
- if (PREDICT_TRUE(ip0->protocol == IP_PROTOCOL_IPSEC_ESP))
- {
+ {
+ u32 bi0, next0;
+ vlib_buffer_t *b0;
+ ip6_header_t *ip0;
+ esp_header_t *esp0;
+ ip4_ipsec_config_t *c0;
+ u32 tunnel_index0 = ~0;
+ ipsec_spd_t *spd0;
+ u32 header_size = sizeof (ip0[0]);
+
+ bi0 = to_next[0] = from[0];
+ from += 1;
+ n_left_from -= 1;
+ to_next += 1;
+ n_left_to_next -= 1;
+
+ b0 = vlib_get_buffer (vm, bi0);
+ c0 = vnet_get_config_data (&cm->config_main,
+ &b0->current_config_index,
+ &next0, sizeof (c0[0]));
+
+ spd0 = pool_elt_at_index (im->spds, c0->spd_index);
+
+ ip0 = vlib_buffer_get_current (b0);
+ esp0 = (esp_header_t *) ((u8 *) ip0 + header_size);
+
+ if (PREDICT_TRUE (ip0->protocol == IP_PROTOCOL_IPSEC_ESP))
+ {
#if 0
- clib_warning("packet received from %U to %U spi %u size %u spd_id %u",
- format_ip6_address, &ip0->src_address,
- format_ip6_address, &ip0->dst_address,
- clib_net_to_host_u32(esp0->spi),
- clib_net_to_host_u16(ip0->payload_length) + header_size,
- spd0->id);
+ clib_warning
+ ("packet received from %U to %U spi %u size %u spd_id %u",
+ format_ip6_address, &ip0->src_address, format_ip6_address,
+ &ip0->dst_address, clib_net_to_host_u32 (esp0->spi),
+ clib_net_to_host_u16 (ip0->payload_length) + header_size,
+ spd0->id);
#endif
- ipsec_policy_t * p0;
- p0 = ipsec_input_ip6_protect_policy_match(spd0,
- &ip0->src_address,
- &ip0->dst_address,
- clib_net_to_host_u32(esp0->spi));
-
- if (PREDICT_TRUE(p0 != 0))
- {
- p0->counter.packets++;
- p0->counter.bytes += clib_net_to_host_u16(ip0->payload_length);
- p0->counter.bytes += header_size;
- vnet_buffer(b0)->output_features.ipsec_sad_index = p0->sa_index;
- next0 = IPSEC_INPUT_NEXT_ESP_DECRYPT;
- vlib_buffer_advance(b0, header_size);
- goto trace0;
- }
- }
-
-trace0:
- if (PREDICT_FALSE(b0->flags & VLIB_BUFFER_IS_TRACED)) {
- ipsec_input_trace_t *tr = vlib_add_trace (vm, node, b0, sizeof (*tr));
- tr->tunnel_index = tunnel_index0;
- tr->spi = clib_host_to_net_u32(esp0->spi);
- tr->seq = clib_host_to_net_u32(esp0->seq);
- }
-
- vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next,
- n_left_to_next, bi0, next0);
- }
+ ipsec_policy_t *p0;
+ p0 = ipsec_input_ip6_protect_policy_match (spd0,
+ &ip0->src_address,
+ &ip0->dst_address,
+ clib_net_to_host_u32
+ (esp0->spi));
+
+ if (PREDICT_TRUE (p0 != 0))
+ {
+ p0->counter.packets++;
+ p0->counter.bytes +=
+ clib_net_to_host_u16 (ip0->payload_length);
+ p0->counter.bytes += header_size;
+ vnet_buffer (b0)->output_features.ipsec_sad_index =
+ p0->sa_index;
+ next0 = IPSEC_INPUT_NEXT_ESP_DECRYPT;
+ vlib_buffer_advance (b0, header_size);
+ goto trace0;
+ }
+ }
+
+ trace0:
+ if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
+ {
+ ipsec_input_trace_t *tr =
+ vlib_add_trace (vm, node, b0, sizeof (*tr));
+ tr->tunnel_index = tunnel_index0;
+ tr->spi = clib_host_to_net_u32 (esp0->spi);
+ tr->seq = clib_host_to_net_u32 (esp0->seq);
+ }
+
+ vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next,
+ n_left_to_next, bi0, next0);
+ }
vlib_put_next_frame (vm, node, next_index, n_left_to_next);
}
vlib_node_increment_counter (vm, ipsec_input_ip6_node.index,
- IPSEC_INPUT_ERROR_RX_PKTS,
- from_frame->n_vectors);
+ IPSEC_INPUT_ERROR_RX_PKTS,
+ from_frame->n_vectors);
return from_frame->n_vectors;
}
+/* *INDENT-OFF* */
VLIB_REGISTER_NODE (ipsec_input_ip6_node,static) = {
.function = ipsec_input_ip6_node_fn,
.name = "ipsec-input-ip6",
#undef _
},
};
+/* *INDENT-ON* */
-VLIB_NODE_FUNCTION_MULTIARCH (ipsec_input_ip6_node,
- ipsec_input_ip6_node_fn)
-
+VLIB_NODE_FUNCTION_MULTIARCH (ipsec_input_ip6_node, ipsec_input_ip6_node_fn)
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
Code Review / vpp.git / blobdiff