#include <vnet/ipsec/ipsec.h>
+#if DPDK_CRYPTO==1
+#define ESP_NODE "dpdk-esp-encrypt"
+#else
+#define ESP_NODE "esp-encrypt"
+#endif
+
#if IPSEC > 0
#define foreach_ipsec_output_next \
_(DROP, "error-drop") \
-_(ESP_ENCRYPT, "esp-encrypt")
+_(ESP_ENCRYPT, ESP_NODE)
#define _(v, s) IPSEC_OUTPUT_NEXT_##v,
typedef enum
{
- foreach_intf_output_feat foreach_ipsec_output_next
+ foreach_ipsec_output_next
#undef _
IPSEC_OUTPUT_N_NEXT,
} ipsec_output_next_t;
#undef _
};
-static vlib_node_registration_t ipsec_output_node;
+static vlib_node_registration_t ipsec_output_ip4_node;
+static vlib_node_registration_t ipsec_output_ip6_node;
typedef struct
{
return s;
}
-always_inline intf_output_feat_t __attribute__ ((unused))
-get_next_intf_output_feature_and_reset_bit (vlib_buffer_t * b)
-{
- u32 next_feature;
- count_trailing_zeros (next_feature,
- vnet_buffer (b)->output_features.bitmap);
- if (next_feature != INTF_OUTPUT_FEAT_DONE)
- vnet_buffer (b)->output_features.bitmap &= ~(1 << next_feature);
- return next_feature;
-}
-
always_inline ipsec_policy_t *
ipsec_output_policy_match (ipsec_spd_t * spd, u8 pr, u32 la, u32 ra, u16 lp,
u16 rp)
ipsec_policy_t *p;
u32 *i;
+ if (!spd)
+ return 0;
+
vec_foreach (i, spd->ipv4_outbound_policies)
{
p = pool_elt_at_index (spd->policies, *i);
ipsec_policy_t *p;
u32 *i;
+ if (!spd)
+ return 0;
+
vec_foreach (i, spd->ipv6_outbound_policies)
{
p = pool_elt_at_index (spd->policies, *i);
return 0;
}
-static uword
-ipsec_output_node_fn (vlib_main_t * vm,
- vlib_node_runtime_t * node, vlib_frame_t * from_frame)
+static inline uword
+ipsec_output_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
+ vlib_frame_t * from_frame, int is_ipv6)
{
ipsec_main_t *im = &ipsec_main;
- vnet_main_t *vnm = im->vnet_main;
u32 *from, *to_next = 0;
u32 n_left_from, sw_if_index0, last_sw_if_index = (u32) ~ 0;
ip4_header_t *ip0;
ip6_header_t *ip6_0 = 0;
udp_header_t *udp0;
- u8 is_ipv6 = 0;
+ u32 iph_offset = 0;
bi0 = from[0];
b0 = vlib_get_buffer (vm, bi0);
sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_TX];
-
-
- ip0 = (ip4_header_t *) ((u8 *) vlib_buffer_get_current (b0) +
- sizeof (ethernet_header_t));
-
- /* just forward non ipv4 packets */
- if (PREDICT_FALSE ((ip0->ip_version_and_header_length & 0xF0) != 0x40))
- {
- /* ipv6 packets */
- if (PREDICT_TRUE
- ((ip0->ip_version_and_header_length & 0xF0) == 0x60))
- {
- is_ipv6 = 1;
- ip6_0 = (ip6_header_t *) ((u8 *) vlib_buffer_get_current (b0) +
- sizeof (ethernet_header_t));
- }
- else
- {
- next_node_index = get_next_output_feature_node_index (vnm, b0);
- goto dispatch0;
- }
- }
+ iph_offset = vnet_buffer (b0)->ip.save_rewrite_length;
+ ip0 = (ip4_header_t *) ((u8 *) vlib_buffer_get_current (b0)
+ + iph_offset);
/* lookup for SPD only if sw_if_index is changed */
if (PREDICT_FALSE (last_sw_if_index != sw_if_index0))
if (is_ipv6)
{
+ ip6_0 = (ip6_header_t *) ((u8 *) vlib_buffer_get_current (b0)
+ + iph_offset);
+
udp0 = ip6_next_header (ip6_0);
#if 0
clib_warning
{
nc_protect++;
next_node_index = im->esp_encrypt_node_index;
- vnet_buffer (b0)->output_features.ipsec_sad_index =
- p0->sa_index;
- vlib_buffer_advance (b0, sizeof (ethernet_header_t));
+ vnet_buffer (b0)->ipsec.sad_index = p0->sa_index;
+ vlib_buffer_advance (b0, iph_offset);
p0->counter.packets++;
if (is_ipv6)
{
else if (p0->policy == IPSEC_POLICY_ACTION_BYPASS)
{
nc_bypass++;
- next_node_index = get_next_output_feature_node_index (vnm, b0);
+ next_node_index = get_next_output_feature_node_index (b0, node);
p0->counter.packets++;
if (is_ipv6)
{
next_node_index = im->error_drop_node_index;
}
- dispatch0:
from += 1;
n_left_from -= 1;
- if (PREDICT_FALSE ((last_next_node_index != next_node_index)))
+ if (PREDICT_FALSE ((last_next_node_index != next_node_index) || f == 0))
{
/* if this is not 1st frame */
if (f)
}
vlib_put_frame_to_node (vm, next_node_index, f);
- vlib_node_increment_counter (vm, ipsec_output_node.index,
+ vlib_node_increment_counter (vm, node->node_index,
IPSEC_OUTPUT_ERROR_POLICY_PROTECT, nc_protect);
- vlib_node_increment_counter (vm, ipsec_output_node.index,
+ vlib_node_increment_counter (vm, node->node_index,
IPSEC_OUTPUT_ERROR_POLICY_BYPASS, nc_bypass);
- vlib_node_increment_counter (vm, ipsec_output_node.index,
+ vlib_node_increment_counter (vm, node->node_index,
IPSEC_OUTPUT_ERROR_POLICY_DISCARD, nc_discard);
- vlib_node_increment_counter (vm, ipsec_output_node.index,
+ vlib_node_increment_counter (vm, node->node_index,
IPSEC_OUTPUT_ERROR_POLICY_NO_MATCH,
nc_nomatch);
return from_frame->n_vectors;
}
+static uword
+ipsec_output_ip4_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
+{
+ return ipsec_output_inline (vm, node, frame, 0);
+}
+
/* *INDENT-OFF* */
-VLIB_REGISTER_NODE (ipsec_output_node,static) = {
- .function = ipsec_output_node_fn,
- .name = "ipsec-output",
+VLIB_REGISTER_NODE (ipsec_output_ip4_node,static) = {
+ .function = ipsec_output_ip4_node_fn,
+ .name = "ipsec-output-ip4",
.vector_size = sizeof (u32),
.format_trace = format_ipsec_output_trace,
.type = VLIB_NODE_TYPE_INTERNAL,
.n_next_nodes = IPSEC_OUTPUT_N_NEXT,
.next_nodes = {
#define _(s,n) [IPSEC_OUTPUT_NEXT_##s] = n,
- foreach_intf_output_feat
foreach_ipsec_output_next
#undef _
},
};
/* *INDENT-ON* */
-VLIB_NODE_FUNCTION_MULTIARCH (ipsec_output_node, ipsec_output_node_fn)
+VLIB_NODE_FUNCTION_MULTIARCH (ipsec_output_ip4_node, ipsec_output_ip4_node_fn)
+ static uword
+ ipsec_output_ip6_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
+{
+ return ipsec_output_inline (vm, node, frame, 1);
+}
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (ipsec_output_ip6_node,static) = {
+ .function = ipsec_output_ip6_node_fn,
+ .name = "ipsec-output-ip6",
+ .vector_size = sizeof (u32),
+ .format_trace = format_ipsec_output_trace,
+ .type = VLIB_NODE_TYPE_INTERNAL,
+
+ .n_errors = ARRAY_LEN(ipsec_output_error_strings),
+ .error_strings = ipsec_output_error_strings,
+
+ .n_next_nodes = IPSEC_OUTPUT_N_NEXT,
+ .next_nodes = {
+#define _(s,n) [IPSEC_OUTPUT_NEXT_##s] = n,
+ foreach_ipsec_output_next
+#undef _
+ },
+};
+/* *INDENT-ON* */
+
+VLIB_NODE_FUNCTION_MULTIARCH (ipsec_output_ip6_node, ipsec_output_ip6_node_fn)
#else /* IPSEC > 1 */
/* Dummy ipsec output node, in case when IPSec is disabled */
VLIB_REGISTER_NODE (ipsec_output_node) = {
.vector_size = sizeof (u32),
.function = ipsec_output_node_fn,
- .name = "ipsec-output",
+ .name = "ipsec-output-ip4",
+};
+
+VLIB_REGISTER_NODE (ipsec_output_node) = {
+ .vector_size = sizeof (u32),
+ .function = ipsec_output_node_fn,
+ .name = "ipsec-output-ip6",
};
/* *INDENT-ON* */
#endif