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authorNeale Ranns <nranns@cisco.com>2019-02-19 15:22:46 +0000
committerDamjan Marion <dmarion@me.com>2019-03-29 19:57:39 +0000
commite524d45eff40c773049e03ea5063216b469bbfcc (patch)
tree6a7cfd5f63b0aa374e72dee3158df8079140fbfc /src/vnet/ipsec
parent95c0ca42f2d02e7562775f7c1e6535a586a26186 (diff)
IPSEC-GRE: fixes and API update to common types.
Change-Id: Icdcbac7453baa837a9c0c4a2401dff4a6aa6cba0 Signed-off-by: Neale Ranns <nranns@cisco.com>
Diffstat (limited to 'src/vnet/ipsec')
-rw-r--r--src/vnet/ipsec/ah_decrypt.c5
-rw-r--r--src/vnet/ipsec/esp_decrypt.c2
-rw-r--r--src/vnet/ipsec/ipsec_api.c17
-rw-r--r--src/vnet/ipsec/ipsec_format.c21
-rw-r--r--src/vnet/ipsec/ipsec_if.c15
-rw-r--r--src/vnet/ipsec/ipsec_if.h11
-rw-r--r--src/vnet/ipsec/ipsec_if_in.c31
-rw-r--r--src/vnet/ipsec/ipsec_input.c4
-rw-r--r--src/vnet/ipsec/ipsec_io.h2
-rw-r--r--src/vnet/ipsec/ipsec_sa.h1
10 files changed, 57 insertions, 52 deletions
diff --git a/src/vnet/ipsec/ah_decrypt.c b/src/vnet/ipsec/ah_decrypt.c
index cf955889420..e68accd9da2 100644
--- a/src/vnet/ipsec/ah_decrypt.c
+++ b/src/vnet/ipsec/ah_decrypt.c
@@ -259,12 +259,9 @@ ah_decrypt_inline (vlib_main_t * vm,
}
/* for IPSec-GRE tunnel next node is ipsec-gre-input */
- if (PREDICT_FALSE
- ((vnet_buffer (i_b0)->ipsec.flags) &
- IPSEC_FLAG_IPSEC_GRE_TUNNEL))
+ if (PREDICT_FALSE (ipsec_sa_is_set_IS_GRE (sa0)))
next0 = AH_DECRYPT_NEXT_IPSEC_GRE_INPUT;
-
vnet_buffer (i_b0)->sw_if_index[VLIB_TX] = (u32) ~ 0;
trace:
if (PREDICT_FALSE (i_b0->flags & VLIB_BUFFER_IS_TRACED))
diff --git a/src/vnet/ipsec/esp_decrypt.c b/src/vnet/ipsec/esp_decrypt.c
index 3e09d9d74c2..c6cb439f1f8 100644
--- a/src/vnet/ipsec/esp_decrypt.c
+++ b/src/vnet/ipsec/esp_decrypt.c
@@ -396,7 +396,7 @@ esp_decrypt_inline (vlib_main_t * vm,
}
}
- if (vnet_buffer (b[0])->ipsec.flags & IPSEC_FLAG_IPSEC_GRE_TUNNEL)
+ if (PREDICT_FALSE (ipsec_sa_is_set_IS_GRE (sa0)))
next[0] = ESP_DECRYPT_NEXT_IPSEC_GRE_INPUT;
trace:
diff --git a/src/vnet/ipsec/ipsec_api.c b/src/vnet/ipsec/ipsec_api.c
index 4c7242da30a..753d7530de4 100644
--- a/src/vnet/ipsec/ipsec_api.c
+++ b/src/vnet/ipsec/ipsec_api.c
@@ -308,11 +308,18 @@ ipsec_sa_flags_decode (vl_api_ipsec_sad_flags_t in)
ipsec_sa_flags_t flags = IPSEC_SA_FLAG_NONE;
in = clib_net_to_host_u32 (in);
-#define _(v,f,s) if (in & IPSEC_API_SAD_FLAG_##f) \
- flags |= IPSEC_SA_FLAG_##f;
- foreach_ipsec_sa_flags
-#undef _
- return (flags);
+ if (in & IPSEC_API_SAD_FLAG_USE_ESN)
+ flags |= IPSEC_SA_FLAG_USE_ESN;
+ if (in & IPSEC_API_SAD_FLAG_USE_ANTI_REPLAY)
+ flags |= IPSEC_SA_FLAG_USE_ANTI_REPLAY;
+ if (in & IPSEC_API_SAD_FLAG_IS_TUNNEL)
+ flags |= IPSEC_SA_FLAG_IS_TUNNEL;
+ if (in & IPSEC_API_SAD_FLAG_IS_TUNNEL_V6)
+ flags |= IPSEC_SA_FLAG_IS_TUNNEL_V6;
+ if (in & IPSEC_API_SAD_FLAG_UDP_ENCAP)
+ flags |= IPSEC_SA_FLAG_UDP_ENCAP;
+
+ return (flags);
}
static vl_api_ipsec_sad_flags_t
diff --git a/src/vnet/ipsec/ipsec_format.c b/src/vnet/ipsec/ipsec_format.c
index dd99f780be6..a8616555629 100644
--- a/src/vnet/ipsec/ipsec_format.c
+++ b/src/vnet/ipsec/ipsec_format.c
@@ -244,6 +244,19 @@ unformat_ipsec_key (unformat_input_t * input, va_list * args)
}
u8 *
+format_ipsec_sa_flags (u8 * s, va_list * args)
+{
+ ipsec_sa_flags_t flags = va_arg (*args, int);
+
+ if (0)
+ ;
+#define _(v, f, str) else if (flags & IPSEC_SA_FLAG_##f) s = format(s, "%s ", str);
+ foreach_ipsec_sa_flags
+#undef _
+ return (s);
+}
+
+u8 *
format_ipsec_sa (u8 * s, va_list * args)
{
u32 sai = va_arg (*args, u32);
@@ -254,15 +267,11 @@ format_ipsec_sa (u8 * s, va_list * args)
sa = pool_elt_at_index (im->sad, sai);
- s = format (s, "[%d] sa 0x%x spi %u mode %s%s protocol %s%s%s%s",
+ s = format (s, "[%d] sa 0x%x spi %u mode %s%s protocol %s %U",
sai, sa->id, sa->spi,
ipsec_sa_is_set_IS_TUNNEL (sa) ? "tunnel" : "transport",
ipsec_sa_is_set_IS_TUNNEL_V6 (sa) ? "-ip6" : "",
- sa->protocol ? "esp" : "ah",
- ipsec_sa_is_set_UDP_ENCAP (sa) ? " udp-encap-enabled" : "",
- ipsec_sa_is_set_USE_ANTI_REPLAY (sa) ? " anti-replay" : "",
- ipsec_sa_is_set_USE_ESN (sa) ?
- " extended-sequence-number" : "");
+ sa->protocol ? "esp" : "ah", format_ipsec_sa_flags, sa->flags);
s = format (s, "\n seq %u seq-hi %u", sa->seq, sa->seq_hi);
s = format (s, "\n last-seq %u last-seq-hi %u window %U",
sa->last_seq, sa->last_seq_hi,
diff --git a/src/vnet/ipsec/ipsec_if.c b/src/vnet/ipsec/ipsec_if.c
index 17f28a09ac8..bfdc2bb6814 100644
--- a/src/vnet/ipsec/ipsec_if.c
+++ b/src/vnet/ipsec/ipsec_if.c
@@ -429,7 +429,7 @@ ipsec_add_del_tunnel_if_internal (vnet_main_t * vnm,
int
ipsec_add_del_ipsec_gre_tunnel (vnet_main_t * vnm,
- ipsec_add_del_ipsec_gre_tunnel_args_t * args)
+ const ipsec_gre_tunnel_add_del_args_t * args)
{
ipsec_tunnel_if_t *t = 0;
ipsec_main_t *im = &ipsec_main;
@@ -441,22 +441,27 @@ ipsec_add_del_ipsec_gre_tunnel (vnet_main_t * vnm,
p = hash_get (im->sa_index_by_sa_id, args->local_sa_id);
if (!p)
return VNET_API_ERROR_INVALID_VALUE;
- isa = p[0];
+ osa = p[0];
+ sa = pool_elt_at_index (im->sad, p[0]);
+ ipsec_sa_set_IS_GRE (sa);
p = hash_get (im->sa_index_by_sa_id, args->remote_sa_id);
if (!p)
return VNET_API_ERROR_INVALID_VALUE;
- osa = p[0];
+ isa = p[0];
sa = pool_elt_at_index (im->sad, p[0]);
+ ipsec_sa_set_IS_GRE (sa);
+ /* we form the key from the input/remote SA whose tunnel is srouce
+ * at the remote end */
if (ipsec_sa_is_set_IS_TUNNEL (sa))
{
- key.remote_ip = sa->tunnel_dst_addr.ip4.as_u32;
+ key.remote_ip = sa->tunnel_src_addr.ip4.as_u32;
key.spi = clib_host_to_net_u32 (sa->spi);
}
else
{
- key.remote_ip = args->remote_ip.as_u32;
+ key.remote_ip = args->src.as_u32;
key.spi = clib_host_to_net_u32 (sa->spi);
}
diff --git a/src/vnet/ipsec/ipsec_if.h b/src/vnet/ipsec/ipsec_if.h
index 7f0eb08b24c..34a1721f4fc 100644
--- a/src/vnet/ipsec/ipsec_if.h
+++ b/src/vnet/ipsec/ipsec_if.h
@@ -97,17 +97,18 @@ typedef struct
u8 is_add;
u32 local_sa_id;
u32 remote_sa_id;
- ip4_address_t local_ip;
- ip4_address_t remote_ip;
-} ipsec_add_del_ipsec_gre_tunnel_args_t;
+ ip4_address_t src;
+ ip4_address_t dst;
+} ipsec_gre_tunnel_add_del_args_t;
extern int ipsec_add_del_tunnel_if_internal (vnet_main_t * vnm,
ipsec_add_del_tunnel_args_t *
args, u32 * sw_if_index);
extern int ipsec_add_del_tunnel_if (ipsec_add_del_tunnel_args_t * args);
extern int ipsec_add_del_ipsec_gre_tunnel (vnet_main_t * vnm,
- ipsec_add_del_ipsec_gre_tunnel_args_t
- * args);
+ const
+ ipsec_gre_tunnel_add_del_args_t *
+ args);
extern int ipsec_set_interface_key (vnet_main_t * vnm, u32 hw_if_index,
ipsec_if_set_key_type_t type,
diff --git a/src/vnet/ipsec/ipsec_if_in.c b/src/vnet/ipsec/ipsec_if_in.c
index 63d463bd633..9ba2c10bca6 100644
--- a/src/vnet/ipsec/ipsec_if_in.c
+++ b/src/vnet/ipsec/ipsec_if_in.c
@@ -197,6 +197,7 @@ ipsec_if_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
}
else
{
+ b[0]->error = node->errors[IPSEC_IF_INPUT_ERROR_NO_TUNNEL];
n_no_tunnel++;
next[0] = IPSEC_INPUT_NEXT_DROP;
goto pkt1;
@@ -224,6 +225,7 @@ ipsec_if_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
}
else
{
+ b[0]->error = node->errors[IPSEC_IF_INPUT_ERROR_NO_TUNNEL];
n_no_tunnel++;
next[0] = IPSEC_INPUT_NEXT_DROP;
goto pkt1;
@@ -236,7 +238,6 @@ ipsec_if_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
if (PREDICT_TRUE (t0->hw_if_index != ~0))
{
- vnet_buffer (b[0])->ipsec.flags = 0;
sw_if_index0 = t0->sw_if_index;
vnet_buffer (b[0])->sw_if_index[VLIB_RX] = sw_if_index0;
@@ -245,6 +246,7 @@ ipsec_if_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
vlib_increment_combined_counter
(drop_counter, thread_index, sw_if_index0, 1, len0);
n_disabled++;
+ b[0]->error = node->errors[IPSEC_IF_INPUT_ERROR_DISABLED];
next[0] = IPSEC_INPUT_NEXT_DROP;
goto pkt1;
}
@@ -268,10 +270,6 @@ ipsec_if_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
n_bytes = len0;
}
}
- else
- {
- vnet_buffer (b[0])->ipsec.flags = IPSEC_FLAG_IPSEC_GRE_TUNNEL;
- }
pkt1:
if (is_ip6)
@@ -295,6 +293,7 @@ ipsec_if_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
}
else
{
+ b[1]->error = node->errors[IPSEC_IF_INPUT_ERROR_NO_TUNNEL];
n_no_tunnel++;
next[1] = IPSEC_INPUT_NEXT_DROP;
goto trace1;
@@ -322,6 +321,7 @@ ipsec_if_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
}
else
{
+ b[1]->error = node->errors[IPSEC_IF_INPUT_ERROR_NO_TUNNEL];
n_no_tunnel++;
next[1] = IPSEC_INPUT_NEXT_DROP;
goto trace1;
@@ -334,7 +334,6 @@ ipsec_if_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
if (PREDICT_TRUE (t1->hw_if_index != ~0))
{
- vnet_buffer (b[1])->ipsec.flags = 0;
sw_if_index1 = t1->sw_if_index;
vnet_buffer (b[1])->sw_if_index[VLIB_RX] = sw_if_index1;
@@ -343,6 +342,7 @@ ipsec_if_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
vlib_increment_combined_counter
(drop_counter, thread_index, sw_if_index1, 1, len1);
n_disabled++;
+ b[1]->error = node->errors[IPSEC_IF_INPUT_ERROR_DISABLED];
next[1] = IPSEC_INPUT_NEXT_DROP;
goto trace1;
}
@@ -366,10 +366,6 @@ ipsec_if_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
n_bytes = len1;
}
}
- else
- {
- vnet_buffer (b[1])->ipsec.flags = IPSEC_FLAG_IPSEC_GRE_TUNNEL;
- }
trace1:
if (PREDICT_FALSE (is_trace))
@@ -460,6 +456,7 @@ ipsec_if_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
}
else
{
+ b[0]->error = node->errors[IPSEC_IF_INPUT_ERROR_NO_TUNNEL];
n_no_tunnel++;
next[0] = IPSEC_INPUT_NEXT_DROP;
goto trace00;
@@ -487,6 +484,7 @@ ipsec_if_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
}
else
{
+ b[0]->error = node->errors[IPSEC_IF_INPUT_ERROR_NO_TUNNEL];
n_no_tunnel++;
next[0] = IPSEC_INPUT_NEXT_DROP;
goto trace00;
@@ -499,7 +497,6 @@ ipsec_if_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
if (PREDICT_TRUE (t0->hw_if_index != ~0))
{
- vnet_buffer (b[0])->ipsec.flags = 0;
sw_if_index0 = t0->sw_if_index;
vnet_buffer (b[0])->sw_if_index[VLIB_RX] = sw_if_index0;
@@ -508,6 +505,7 @@ ipsec_if_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
vlib_increment_combined_counter
(drop_counter, thread_index, sw_if_index0, 1, len0);
n_disabled++;
+ b[0]->error = node->errors[IPSEC_IF_INPUT_ERROR_DISABLED];
next[0] = IPSEC_INPUT_NEXT_DROP;
goto trace00;
}
@@ -531,10 +529,6 @@ ipsec_if_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
n_bytes = len0;
}
}
- else
- {
- vnet_buffer (b[0])->ipsec.flags = IPSEC_FLAG_IPSEC_GRE_TUNNEL;
- }
trace00:
if (PREDICT_FALSE (is_trace))
@@ -563,11 +557,8 @@ ipsec_if_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
vlib_node_increment_counter (vm, node->node_index,
IPSEC_IF_INPUT_ERROR_RX,
- from_frame->n_vectors - n_disabled);
- vlib_node_increment_counter (vm, node->node_index,
- IPSEC_IF_INPUT_ERROR_DISABLED, n_disabled);
- vlib_node_increment_counter (vm, node->node_index,
- IPSEC_IF_INPUT_ERROR_NO_TUNNEL, n_no_tunnel);
+ from_frame->n_vectors - (n_disabled +
+ n_no_tunnel));
vlib_buffer_enqueue_to_next (vm, node, from, nexts, from_frame->n_vectors);
diff --git a/src/vnet/ipsec/ipsec_input.c b/src/vnet/ipsec/ipsec_input.c
index 970211eccaa..5be72c3a161 100644
--- a/src/vnet/ipsec/ipsec_input.c
+++ b/src/vnet/ipsec/ipsec_input.c
@@ -253,7 +253,6 @@ VLIB_NODE_FN (ipsec4_input_node) (vlib_main_t * vm,
clib_net_to_host_u16 (ip0->length));
vnet_buffer (b0)->ipsec.sad_index = p0->sa_index;
- vnet_buffer (b0)->ipsec.flags = 0;
next0 = im->esp4_decrypt_next_index;
vlib_buffer_advance (b0, ((u8 *) esp0 - (u8 *) ip0));
goto trace0;
@@ -304,7 +303,6 @@ VLIB_NODE_FN (ipsec4_input_node) (vlib_main_t * vm,
clib_net_to_host_u16 (ip0->length));
vnet_buffer (b0)->ipsec.sad_index = p0->sa_index;
- vnet_buffer (b0)->ipsec.flags = 0;
next0 = im->ah4_decrypt_next_index;
goto trace1;
}
@@ -450,7 +448,6 @@ VLIB_NODE_FN (ipsec6_input_node) (vlib_main_t * vm,
header_size);
vnet_buffer (b0)->ipsec.sad_index = p0->sa_index;
- vnet_buffer (b0)->ipsec.flags = 0;
next0 = im->esp6_decrypt_next_index;
vlib_buffer_advance (b0, header_size);
goto trace0;
@@ -479,7 +476,6 @@ VLIB_NODE_FN (ipsec6_input_node) (vlib_main_t * vm,
header_size);
vnet_buffer (b0)->ipsec.sad_index = p0->sa_index;
- vnet_buffer (b0)->ipsec.flags = 0;
next0 = im->ah6_decrypt_next_index;
goto trace0;
}
diff --git a/src/vnet/ipsec/ipsec_io.h b/src/vnet/ipsec/ipsec_io.h
index c180a784eaa..f156b48360f 100644
--- a/src/vnet/ipsec/ipsec_io.h
+++ b/src/vnet/ipsec/ipsec_io.h
@@ -15,8 +15,6 @@
#ifndef __IPSEC_IO_H__
#define __IPSEC_IO_H__
-#define IPSEC_FLAG_IPSEC_GRE_TUNNEL (1 << 0)
-
#define foreach_ipsec_output_next \
_ (DROP, "error-drop")
diff --git a/src/vnet/ipsec/ipsec_sa.h b/src/vnet/ipsec/ipsec_sa.h
index 94f1554112f..cfb44b9e86d 100644
--- a/src/vnet/ipsec/ipsec_sa.h
+++ b/src/vnet/ipsec/ipsec_sa.h
@@ -90,6 +90,7 @@ typedef struct ipsec_key_t_
_ (4, IS_TUNNEL, "tunnel") \
_ (8, IS_TUNNEL_V6, "tunnel-v6") \
_ (16, UDP_ENCAP, "udp-encap") \
+ _ (32, IS_GRE, "GRE") \
typedef enum ipsec_sad_flags_t_
{