return s;
}
+always_inline ipsec_tunnel_if_t *
+ipsec_tun_get_by_sw_if_index (u32 sw_if_index)
+{
+ ipsec_main_t *im = &ipsec_main;
+ u32 ti;
+
+ ti = im->ipsec_if_by_sw_if_index[sw_if_index];
+
+ return (pool_elt_at_index (im->tunnel_interfaces, ti));
+}
+
static uword
ipsec_if_tx_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
vlib_frame_t * from_frame)
while (n_left_from > 0 && n_left_to_next > 0)
{
+ const ipsec_tunnel_if_t *t0;
u32 bi0, next0, len0;
vlib_buffer_t *b0;
- ipsec_tunnel_if_t *t0;
- vnet_hw_interface_t *hi0;
bi0 = to_next[0] = from[0];
from += 1;
n_left_to_next -= 1;
b0 = vlib_get_buffer (vm, bi0);
sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_TX];
- hi0 = vnet_get_sup_hw_interface (vnm, sw_if_index0);
- t0 = pool_elt_at_index (im->tunnel_interfaces, hi0->dev_instance);
+ t0 = ipsec_tun_get_by_sw_if_index (sw_if_index0);
vnet_buffer (b0)->ipsec.sad_index = t0->output_sa_index;
/* 0, tx-node next[0] was added by vlib_node_add_next_with_slot */
hi = vnet_get_hw_interface (vnm, hw_if_index);
t = pool_elt_at_index (im->tunnel_interfaces, hi->hw_instance);
+ t->flags = flags;
if (flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
{
if (p)
return VNET_API_ERROR_INVALID_VALUE;
- pool_get_aligned (im->tunnel_interfaces, t, CLIB_CACHE_LINE_BYTES);
- clib_memset (t, 0, sizeof (*t));
+ pool_get_aligned_zero (im->tunnel_interfaces, t, CLIB_CACHE_LINE_BYTES);
dev_instance = t - im->tunnel_interfaces;
if (args->renumber)
ASSERT (slot == 0);
t->hw_if_index = hw_if_index;
+ t->sw_if_index = hi->sw_if_index;
+
+ vec_validate_init_empty (im->ipsec_if_by_sw_if_index,
+ t->sw_if_index, ~0);
+ im->ipsec_if_by_sw_if_index[t->sw_if_index] = t - im->tunnel_interfaces;
vnet_feature_enable_disable ("interface-output", "ipsec-if-output",
hi->sw_if_index, 1, 0, 0);
hash_unset (im->ipsec_if_pool_index_by_key, key);
hash_unset (im->ipsec_if_real_dev_by_show_dev, t->show_instance);
+ im->ipsec_if_by_sw_if_index[t->sw_if_index] = ~0;
pool_put (im->tunnel_interfaces, t);
return 0;
}
-
clib_error_t *
ipsec_tunnel_if_init (vlib_main_t * vm)
{
ipsec_main_t *im = &ipsec_main;
vnet_main_t *vnm = im->vnet_main;
vnet_interface_main_t *vim = &vnm->interface_main;
- ipsec_proto_main_t *em = &ipsec_proto_main;
u32 *from, *to_next = 0, next_index;
u32 n_left_from, last_sw_if_index = ~0;
u32 thread_index = vm->thread_index;
u64 n_bytes = 0, n_packets = 0;
- u8 icv_len;
- ipsec_tunnel_if_t *last_t = NULL;
- ipsec_sa_t *sa0;
+ const ipsec_tunnel_if_t *last_t = NULL;
vlib_combined_counter_main_t *rx_counter;
vlib_combined_counter_main_t *drop_counter;
u32 n_disabled = 0, n_no_tunnel = 0;
while (n_left_from > 0 && n_left_to_next > 0)
{
u32 bi0, next0, sw_if_index0;
+ const esp_header_t *esp0;
+ const ip4_header_t *ip0;
vlib_buffer_t *b0;
- ip4_header_t *ip0;
- esp_header_t *esp0;
uword *p;
u32 len0;
n_left_to_next -= 1;
b0 = vlib_get_buffer (vm, bi0);
ip0 = vlib_buffer_get_current (b0);
- esp0 = (esp_header_t *) ((u8 *) ip0 + ip4_header_bytes (ip0));
+ esp0 = (const esp_header_t *) ((u8 *) ip0 + ip4_header_bytes (ip0));
next0 = IPSEC_INPUT_NEXT_DROP;
p = hash_get (im->ipsec_if_pool_index_by_key, key);
+ /* stats for the tunnel include all the data after the IP header
+ just like a norml IP-IP tunnel */
+ vlib_buffer_advance (b0, ip4_header_bytes (ip0));
len0 = vlib_buffer_length_in_chain (vm, b0);
- if (p)
+ if (PREDICT_TRUE (NULL != p))
{
- ipsec_tunnel_if_t *t;
- t = pool_elt_at_index (im->tunnel_interfaces, p[0]);
- vnet_buffer (b0)->ipsec.sad_index = t->input_sa_index;
- if (t->hw_if_index != ~0)
- {
- vnet_hw_interface_t *hi;
+ const ipsec_tunnel_if_t *t0;
+
+ t0 = pool_elt_at_index (im->tunnel_interfaces, p[0]);
+ vnet_buffer (b0)->ipsec.sad_index = t0->input_sa_index;
+ if (PREDICT_TRUE (t0->hw_if_index != ~0))
+ {
vnet_buffer (b0)->ipsec.flags = 0;
- hi = vnet_get_hw_interface (vnm, t->hw_if_index);
- sw_if_index0 = hi->sw_if_index;
+ sw_if_index0 = t0->sw_if_index;
vnet_buffer (b0)->sw_if_index[VLIB_RX] = sw_if_index0;
if (PREDICT_FALSE
- (!(hi->flags & VNET_HW_INTERFACE_FLAG_LINK_UP)))
+ (!(t0->flags & VNET_HW_INTERFACE_FLAG_LINK_UP)))
{
vlib_increment_combined_counter
(drop_counter, thread_index, sw_if_index0, 1, len0);
}
else
{
- sa0 = pool_elt_at_index (im->sad, t->input_sa_index);
- icv_len =
- em->ipsec_proto_main_integ_algs[sa0->
- integ_alg].trunc_size;
-
- /* length = packet length - ESP/tunnel overhead */
- n_bytes -= n_packets * (sizeof (ip4_header_t) +
- sizeof (esp_header_t) +
- sizeof (esp_footer_t) +
- 16 /* aes-cbc IV */ + icv_len);
-
if (last_t)
{
vlib_increment_combined_counter
}
last_sw_if_index = sw_if_index0;
- last_t = t;
+ last_t = t0;
n_packets = 1;
n_bytes = len0;
}
vnet_buffer (b0)->ipsec.flags = IPSEC_FLAG_IPSEC_GRE_TUNNEL;
}
- vlib_buffer_advance (b0, ip4_header_bytes (ip0));
next0 = im->esp4_decrypt_next_index;
}
else
if (last_t)
{
- sa0 = pool_elt_at_index (im->sad, last_t->input_sa_index);
- icv_len = em->ipsec_proto_main_integ_algs[sa0->integ_alg].trunc_size;
-
- n_bytes -= n_packets * (sizeof (ip4_header_t) + sizeof (esp_header_t) +
- sizeof (esp_footer_t) + 16 /* aes-cbc IV */ +
- icv_len);
vlib_increment_combined_counter (rx_counter,
thread_index,
last_sw_if_index, n_packets, n_bytes);