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authorHongjun Ni <hongjun.ni@intel.com>2016-04-28 16:50:11 -0700
committerDave Barach <openvpp@barachs.net>2016-04-29 12:41:15 +0000
commit329e7d5905d668d7117783f42d43783dc07c20af (patch)
tree1e74cf5609edce48ed1647ad5ab52c71b461a098
parent6337ab720b0e7b86481c65f05ee63fbb5ebf6448 (diff)
Add RX statistics for nsh-gre tunnel
Change-Id: I045bb9d51c9a82ccba6e792485b9418bd78b8520 Signed-off-by: Hongjun Ni <hongjun.ni@intel.com>
-rw-r--r--vnet/vnet/nsh-gre/decap.c82
1 files changed, 81 insertions, 1 deletions
diff --git a/vnet/vnet/nsh-gre/decap.c b/vnet/vnet/nsh-gre/decap.c
index 9ef52ffb6de..2b6ae9a7d4c 100644
--- a/vnet/vnet/nsh-gre/decap.c
+++ b/vnet/vnet/nsh-gre/decap.c
@@ -95,14 +95,20 @@ nsh_gre_input (vlib_main_t * vm,
{
u32 n_left_from, next_index, * from, * to_next;
nsh_gre_main_t * ngm = &nsh_gre_main;
+ vnet_main_t * vnm = ngm->vnet_main;
+ vnet_interface_main_t * im = &vnm->interface_main;
u32 last_tunnel_index = ~0;
u64 last_key = ~0ULL;
u32 pkts_decapsulated = 0;
+ u32 cpu_index = os_get_cpu_number();
+ u32 stats_sw_if_index, stats_n_packets, stats_n_bytes;
from = vlib_frame_vector_args (from_frame);
n_left_from = from_frame->n_vectors;
next_index = node->cached_next_index;
+ stats_sw_if_index = node->runtime_data[0];
+ stats_n_packets = stats_n_bytes = 0;
while (n_left_from > 0)
{
@@ -122,6 +128,7 @@ nsh_gre_input (vlib_main_t * vm,
nsh_gre_tunnel_t * t0, * t1;
u64 key0, key1;
u32 error0, error1;
+ u32 sw_if_index0, sw_if_index1, len0, len1;
/* Prefetch next iteration. */
{
@@ -185,6 +192,10 @@ nsh_gre_input (vlib_main_t * vm,
t0 = pool_elt_at_index (ngm->tunnels, tunnel_index0);
+ next0 = t0->decap_next_index;
+ sw_if_index0 = t0->sw_if_index;
+ len0 = vlib_buffer_length_in_chain(vm, b0);
+
/* Required to make the l2 tag push / pop code work on l2 subifs */
vnet_update_l2_len (b0);
@@ -193,6 +204,23 @@ nsh_gre_input (vlib_main_t * vm,
/* ip[46] lookup in the configured FIB, otherwise an opaque */
vnet_buffer(b0)->sw_if_index[VLIB_TX] = t0->decap_fib_index;
+ pkts_decapsulated++;
+ stats_n_packets += 1;
+ stats_n_bytes += len0;
+
+ if (PREDICT_FALSE(sw_if_index0 != stats_sw_if_index))
+ {
+ stats_n_packets -= 1;
+ stats_n_bytes -= len0;
+ if (stats_n_packets)
+ vlib_increment_combined_counter(
+ im->combined_sw_if_counters + VNET_INTERFACE_COUNTER_RX,
+ cpu_index, stats_sw_if_index, stats_n_packets, stats_n_bytes);
+ stats_n_packets = 1;
+ stats_n_bytes = len0;
+ stats_sw_if_index = sw_if_index0;
+ }
+
trace0:
b0->error = error0 ? node->errors[error0] : 0;
@@ -224,6 +252,10 @@ nsh_gre_input (vlib_main_t * vm,
t1 = pool_elt_at_index (ngm->tunnels, tunnel_index1);
+ next1 = t1->decap_next_index;
+ sw_if_index1 = t1->sw_if_index;
+ len1 = vlib_buffer_length_in_chain(vm, b1);
+
/* Required to make the l2 tag push / pop code work on l2 subifs */
vnet_update_l2_len (b1);
@@ -232,7 +264,24 @@ nsh_gre_input (vlib_main_t * vm,
/* ip[46] lookup in the configured FIB, otherwise an opaque */
vnet_buffer(b1)->sw_if_index[VLIB_TX] = t1->decap_fib_index;
- pkts_decapsulated +=2;
+ pkts_decapsulated++;
+ stats_n_packets += 1;
+ stats_n_bytes += len1;
+ /* Batch stats increment on the same nsh-gre tunnel so counter
+ is not incremented per packet */
+ if (PREDICT_FALSE(sw_if_index1 != stats_sw_if_index))
+ {
+ stats_n_packets -= 1;
+ stats_n_bytes -= len1;
+ if (stats_n_packets)
+ vlib_increment_combined_counter(
+ im->combined_sw_if_counters + VNET_INTERFACE_COUNTER_RX,
+ cpu_index, stats_sw_if_index, stats_n_packets, stats_n_bytes);
+ stats_n_packets = 1;
+ stats_n_bytes = len1;
+ stats_sw_if_index = sw_if_index1;
+ }
+ vnet_buffer(b1)->sw_if_index[VLIB_TX] = t1->decap_fib_index;
trace1:
b1->error = error1 ? node->errors[error1] : 0;
@@ -263,6 +312,7 @@ nsh_gre_input (vlib_main_t * vm,
nsh_gre_tunnel_t * t0;
u64 key0;
u32 error0;
+ u32 sw_if_index0, len0;
bi0 = from[0];
to_next[0] = bi0;
@@ -302,6 +352,10 @@ nsh_gre_input (vlib_main_t * vm,
t0 = pool_elt_at_index (ngm->tunnels, tunnel_index0);
+ next0 = t0->decap_next_index;
+ sw_if_index0 = t0->sw_if_index;
+ len0 = vlib_buffer_length_in_chain(vm, b0);
+
/* Required to make the l2 tag push / pop code work on l2 subifs */
vnet_update_l2_len (b0);
@@ -311,6 +365,24 @@ nsh_gre_input (vlib_main_t * vm,
vnet_buffer(b0)->sw_if_index[VLIB_TX] = t0->decap_fib_index;
pkts_decapsulated ++;
+ stats_n_packets += 1;
+ stats_n_bytes += len0;
+
+ /* Batch stats increment on the same nsh-gre tunnel so counter
+ is not incremented per packet */
+ if (PREDICT_FALSE(sw_if_index0 != stats_sw_if_index))
+ {
+ stats_n_packets -= 1;
+ stats_n_bytes -= len0;
+ if (stats_n_packets)
+ vlib_increment_combined_counter(
+ im->combined_sw_if_counters + VNET_INTERFACE_COUNTER_RX,
+ cpu_index, stats_sw_if_index, stats_n_packets, stats_n_bytes);
+ stats_n_packets = 1;
+ stats_n_bytes = len0;
+ stats_sw_if_index = sw_if_index0;
+ }
+
trace00:
b0->error = error0 ? node->errors[error0] : 0;
@@ -333,6 +405,14 @@ nsh_gre_input (vlib_main_t * vm,
vlib_node_increment_counter (vm, nsh_gre_input_node.index,
NSH_GRE_ERROR_DECAPSULATED,
pkts_decapsulated);
+ /* Increment any remaining batch stats */
+ if (stats_n_packets)
+ {
+ vlib_increment_combined_counter(
+ im->combined_sw_if_counters + VNET_INTERFACE_COUNTER_RX, cpu_index,
+ stats_sw_if_index, stats_n_packets, stats_n_bytes);
+ node->runtime_data[0] = stats_sw_if_index;
+ }
return from_frame->n_vectors;
}