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-rw-r--r--src/vnet/ipsec/ipsec.h1
-rw-r--r--src/vnet/ipsec/ipsec_if.c28
-rw-r--r--src/vnet/ipsec/ipsec_if.h2
-rw-r--r--src/vnet/ipsec/ipsec_if_in.c53
4 files changed, 41 insertions, 43 deletions
diff --git a/src/vnet/ipsec/ipsec.h b/src/vnet/ipsec/ipsec.h
index 78d000030c9..3279fab6701 100644
--- a/src/vnet/ipsec/ipsec.h
+++ b/src/vnet/ipsec/ipsec.h
@@ -140,6 +140,7 @@ typedef struct
uword *sa_index_by_sa_id;
uword *ipsec_if_pool_index_by_key;
uword *ipsec_if_real_dev_by_show_dev;
+ u32 *ipsec_if_by_sw_if_index;
/* node indices */
u32 error_drop_node_index;
diff --git a/src/vnet/ipsec/ipsec_if.c b/src/vnet/ipsec/ipsec_if.c
index 3ec4b0b460c..d03d1a9ffe3 100644
--- a/src/vnet/ipsec/ipsec_if.c
+++ b/src/vnet/ipsec/ipsec_if.c
@@ -70,6 +70,17 @@ format_ipsec_if_tx_trace (u8 * s, va_list * args)
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)
@@ -94,10 +105,9 @@ ipsec_if_tx_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
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;
@@ -106,8 +116,7 @@ ipsec_if_tx_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
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 */
@@ -170,6 +179,7 @@ ipsec_admin_up_down_function (vnet_main_t * vnm, u32 hw_if_index, u32 flags)
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)
{
@@ -290,8 +300,7 @@ ipsec_add_del_tunnel_if_internal (vnet_main_t * vnm,
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)
@@ -373,6 +382,11 @@ ipsec_add_del_tunnel_if_internal (vnet_main_t * vnm,
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);
@@ -400,6 +414,7 @@ ipsec_add_del_tunnel_if_internal (vnet_main_t * vnm,
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);
@@ -599,7 +614,6 @@ ipsec_set_interface_sa (vnet_main_t * vnm, u32 hw_if_index, u32 sa_id,
return 0;
}
-
clib_error_t *
ipsec_tunnel_if_init (vlib_main_t * vm)
{
diff --git a/src/vnet/ipsec/ipsec_if.h b/src/vnet/ipsec/ipsec_if.h
index 67d5554e777..3d042f0af01 100644
--- a/src/vnet/ipsec/ipsec_if.h
+++ b/src/vnet/ipsec/ipsec_if.h
@@ -33,6 +33,8 @@ typedef struct
u32 input_sa_index;
u32 output_sa_index;
u32 hw_if_index;
+ u32 sw_if_index;
+ vnet_hw_interface_flags_t flags;
u32 show_instance;
} ipsec_tunnel_if_t;
diff --git a/src/vnet/ipsec/ipsec_if_in.c b/src/vnet/ipsec/ipsec_if_in.c
index ffa9c8e515d..c7f5735a64e 100644
--- a/src/vnet/ipsec/ipsec_if_in.c
+++ b/src/vnet/ipsec/ipsec_if_in.c
@@ -68,14 +68,11 @@ VLIB_NODE_FN (ipsec_if_input_node) (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;
@@ -96,9 +93,9 @@ VLIB_NODE_FN (ipsec_if_input_node) (vlib_main_t * vm,
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;
@@ -109,7 +106,7 @@ VLIB_NODE_FN (ipsec_if_input_node) (vlib_main_t * vm,
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;
@@ -117,24 +114,26 @@ VLIB_NODE_FN (ipsec_if_input_node) (vlib_main_t * vm,
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);
@@ -150,17 +149,6 @@ VLIB_NODE_FN (ipsec_if_input_node) (vlib_main_t * vm,
}
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
@@ -169,7 +157,7 @@ VLIB_NODE_FN (ipsec_if_input_node) (vlib_main_t * vm,
}
last_sw_if_index = sw_if_index0;
- last_t = t;
+ last_t = t0;
n_packets = 1;
n_bytes = len0;
}
@@ -179,7 +167,6 @@ VLIB_NODE_FN (ipsec_if_input_node) (vlib_main_t * vm,
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
@@ -205,12 +192,6 @@ VLIB_NODE_FN (ipsec_if_input_node) (vlib_main_t * vm,
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);