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authorOle Troan <ot@cisco.com>2018-06-22 22:36:46 +0200
committerOle Troan <ot@cisco.com>2018-06-22 22:37:55 +0200
commite0d2bd6bd7fc59c0c6ac48195d7f825dc99bfd91 (patch)
tree1b6f7af08cd0ba04001a0da13efb8ba9d937472f /src/vnet/ipsec/ipsec_if.c
parentc8efa29b6f9a91381897b54f1147daf922ed7164 (diff)
Revert "ipsec: VPP-1316 calculate IP/TCP/UDP inner checksums"
This reverts commit a98346f664aae148d26a8e158008b773d73db96f. Change-Id: Iee5b3a5ddff0e8fd3a30fe5973cee24de434fe12 Signed-off-by: Ole Troan <ot@cisco.com>
Diffstat (limited to 'src/vnet/ipsec/ipsec_if.c')
-rw-r--r--src/vnet/ipsec/ipsec_if.c138
1 files changed, 7 insertions, 131 deletions
diff --git a/src/vnet/ipsec/ipsec_if.c b/src/vnet/ipsec/ipsec_if.c
index a7dbcbadb16..e7536b2756e 100644
--- a/src/vnet/ipsec/ipsec_if.c
+++ b/src/vnet/ipsec/ipsec_if.c
@@ -34,128 +34,14 @@ format_ipsec_name (u8 * s, va_list * args)
return format (s, "ipsec%d", t->show_instance);
}
-/* Statistics (not really errors) */
-#define foreach_ipsec_if_tx_error \
-_(TX, "good packets transmitted")
-
-static char *ipsec_if_tx_error_strings[] = {
-#define _(sym,string) string,
- foreach_ipsec_if_tx_error
-#undef _
-};
-
-typedef enum
-{
-#define _(sym,str) IPSEC_IF_OUTPUT_ERROR_##sym,
- foreach_ipsec_if_tx_error
-#undef _
- IPSEC_IF_TX_N_ERROR,
-} ipsec_if_tx_error_t;
-
-typedef struct
-{
- u32 spi;
- u32 seq;
-} ipsec_if_tx_trace_t;
-
-u8 *
-format_ipsec_if_tx_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_if_tx_trace_t *t = va_arg (*args, ipsec_if_tx_trace_t *);
-
- s = format (s, "IPSec: spi %u seq %u", t->spi, t->seq);
- return s;
-}
-
static uword
-ipsec_if_tx_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
- vlib_frame_t * from_frame)
+dummy_interface_tx (vlib_main_t * vm,
+ vlib_node_runtime_t * node, vlib_frame_t * frame)
{
- ipsec_main_t *im = &ipsec_main;
- vnet_main_t *vnm = im->vnet_main;
- vnet_interface_main_t *vim = &vnm->interface_main;
- u32 *from, *to_next = 0, next_index;
- u32 n_left_from, sw_if_index0, last_sw_if_index = ~0;
- u32 thread_index = vlib_get_thread_index ();
- u32 n_bytes = 0, n_packets = 0;
-
- from = vlib_frame_vector_args (from_frame);
- n_left_from = from_frame->n_vectors;
- next_index = node->cached_next_index;
-
- while (n_left_from > 0)
- {
- u32 n_left_to_next;
-
- 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, 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_from -= 1;
- to_next += 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);
- vnet_buffer (b0)->ipsec.sad_index = t0->output_sa_index;
- next0 = IPSEC_OUTPUT_NEXT_ESP_ENCRYPT;
-
- len0 = vlib_buffer_length_in_chain (vm, b0);
-
- if (PREDICT_TRUE (sw_if_index0 == last_sw_if_index))
- {
- n_packets++;
- n_bytes += len0;
- }
- else
- {
- vlib_increment_combined_counter (vim->combined_sw_if_counters +
- VNET_INTERFACE_COUNTER_TX,
- thread_index, sw_if_index0,
- n_packets, n_bytes);
- last_sw_if_index = sw_if_index0;
- n_packets = 1;
- n_bytes = len0;
- }
-
- if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
- {
- ipsec_if_tx_trace_t *tr =
- vlib_add_trace (vm, node, b0, sizeof (*tr));
- ipsec_sa_t *sa0 =
- pool_elt_at_index (im->sad, t0->output_sa_index);
- tr->spi = sa0->spi;
- tr->seq = sa0->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);
- }
-
- if (last_sw_if_index != ~0)
- {
- vlib_increment_combined_counter (vim->combined_sw_if_counters +
- VNET_INTERFACE_COUNTER_TX,
- thread_index,
- last_sw_if_index, n_packets, n_bytes);
- }
-
- return from_frame->n_vectors;
+ clib_warning ("you shouldn't be here, leaking buffers...");
+ return frame->n_vectors;
}
-
static clib_error_t *
ipsec_admin_up_down_function (vnet_main_t * vnm, u32 hw_if_index, u32 flags)
{
@@ -227,16 +113,13 @@ ipsec_admin_up_down_function (vnet_main_t * vnm, u32 hw_if_index, u32 flags)
return /* no error */ 0;
}
-
/* *INDENT-OFF* */
VNET_DEVICE_CLASS (ipsec_device_class, static) =
{
.name = "IPSec",
.format_device_name = format_ipsec_name,
- .format_tx_trace = format_ipsec_if_tx_trace,
- .tx_function = ipsec_if_tx_node_fn,
- .tx_function_n_errors = IPSEC_IF_TX_N_ERROR,
- .tx_function_error_strings = ipsec_if_tx_error_strings,
+ .format_tx_trace = format_ipsec_if_output_trace,
+ .tx_function = dummy_interface_tx,
.admin_up_down_function = ipsec_admin_up_down_function,
};
/* *INDENT-ON* */
@@ -279,7 +162,6 @@ ipsec_add_del_tunnel_if_internal (vnet_main_t * vnm,
uword *p;
ipsec_sa_t *sa;
u32 dev_instance;
- u32 slot;
u64 key = (u64) args->remote_ip.as_u32 << 32 | (u64) args->remote_spi;
p = hash_get (im->ipsec_if_pool_index_by_key, key);
@@ -365,13 +247,7 @@ ipsec_add_del_tunnel_if_internal (vnet_main_t * vnm,
t - im->tunnel_interfaces);
hi = vnet_get_hw_interface (vnm, hw_if_index);
-
- slot = vlib_node_add_named_next_with_slot
- (vnm->vlib_main, hi->tx_node_index, "esp-encrypt",
- IPSEC_OUTPUT_NEXT_ESP_ENCRYPT);
-
- ASSERT (slot == IPSEC_OUTPUT_NEXT_ESP_ENCRYPT);
-
+ hi->output_node_index = ipsec_if_output_node.index;
t->hw_if_index = hw_if_index;
vnet_feature_enable_disable ("interface-output", "ipsec-if-output",