#include <vnet/fib/fib_urpf_list.h> /* for FIB uRPF check */
#include <vnet/fib/ip4_fib.h>
#include <vnet/dpo/load_balance.h>
+#include <vnet/dpo/load_balance_map.h>
#include <vnet/dpo/classify_dpo.h>
#include <vnet/mfib/mfib_table.h> /* for mFIB table and entry creation */
{
vlib_buffer_t *p0, *p1, *p2, *p3;
ip4_header_t *ip0, *ip1, *ip2, *ip3;
- __attribute__ ((unused)) tcp_header_t *tcp0, *tcp1, *tcp2, *tcp3;
ip_lookup_next_t next0, next1, next2, next3;
const load_balance_t *lb0, *lb1, *lb2, *lb3;
ip4_fib_mtrie_t *mtrie0, *mtrie1, *mtrie2, *mtrie3;
leaf3 = ip4_fib_mtrie_lookup_step_one (mtrie3, dst_addr3);
}
- tcp0 = (void *) (ip0 + 1);
- tcp1 = (void *) (ip1 + 1);
- tcp2 = (void *) (ip2 + 1);
- tcp3 = (void *) (ip3 + 1);
-
if (!lookup_for_responses_to_locally_received_packets)
{
leaf0 = ip4_fib_mtrie_lookup_step (mtrie0, leaf0, dst_addr0, 2);
lb2 = load_balance_get (lb_index2);
lb3 = load_balance_get (lb_index3);
+ ASSERT (lb0->lb_n_buckets > 0);
+ ASSERT (is_pow2 (lb0->lb_n_buckets));
+ ASSERT (lb1->lb_n_buckets > 0);
+ ASSERT (is_pow2 (lb1->lb_n_buckets));
+ ASSERT (lb2->lb_n_buckets > 0);
+ ASSERT (is_pow2 (lb2->lb_n_buckets));
+ ASSERT (lb3->lb_n_buckets > 0);
+ ASSERT (is_pow2 (lb3->lb_n_buckets));
+
/* Use flow hash to compute multipath adjacency. */
hash_c0 = vnet_buffer (p0)->ip.flow_hash = 0;
hash_c1 = vnet_buffer (p1)->ip.flow_hash = 0;
flow_hash_config0 = lb0->lb_hash_config;
hash_c0 = vnet_buffer (p0)->ip.flow_hash =
ip4_compute_flow_hash (ip0, flow_hash_config0);
+ dpo0 =
+ load_balance_get_fwd_bucket (lb0,
+ (hash_c0 &
+ (lb0->lb_n_buckets_minus_1)));
+ }
+ else
+ {
+ dpo0 = load_balance_get_bucket_i (lb0, 0);
}
if (PREDICT_FALSE (lb1->lb_n_buckets > 1))
{
flow_hash_config1 = lb1->lb_hash_config;
hash_c1 = vnet_buffer (p1)->ip.flow_hash =
ip4_compute_flow_hash (ip1, flow_hash_config1);
+ dpo1 =
+ load_balance_get_fwd_bucket (lb1,
+ (hash_c1 &
+ (lb1->lb_n_buckets_minus_1)));
+ }
+ else
+ {
+ dpo1 = load_balance_get_bucket_i (lb1, 0);
}
if (PREDICT_FALSE (lb2->lb_n_buckets > 1))
{
flow_hash_config2 = lb2->lb_hash_config;
hash_c2 = vnet_buffer (p2)->ip.flow_hash =
ip4_compute_flow_hash (ip2, flow_hash_config2);
+ dpo2 =
+ load_balance_get_fwd_bucket (lb2,
+ (hash_c2 &
+ (lb2->lb_n_buckets_minus_1)));
+ }
+ else
+ {
+ dpo2 = load_balance_get_bucket_i (lb2, 0);
}
if (PREDICT_FALSE (lb3->lb_n_buckets > 1))
{
flow_hash_config3 = lb3->lb_hash_config;
hash_c3 = vnet_buffer (p3)->ip.flow_hash =
ip4_compute_flow_hash (ip3, flow_hash_config3);
+ dpo3 =
+ load_balance_get_fwd_bucket (lb3,
+ (hash_c3 &
+ (lb3->lb_n_buckets_minus_1)));
+ }
+ else
+ {
+ dpo3 = load_balance_get_bucket_i (lb3, 0);
}
-
- ASSERT (lb0->lb_n_buckets > 0);
- ASSERT (is_pow2 (lb0->lb_n_buckets));
- ASSERT (lb1->lb_n_buckets > 0);
- ASSERT (is_pow2 (lb1->lb_n_buckets));
- ASSERT (lb2->lb_n_buckets > 0);
- ASSERT (is_pow2 (lb2->lb_n_buckets));
- ASSERT (lb3->lb_n_buckets > 0);
- ASSERT (is_pow2 (lb3->lb_n_buckets));
-
- dpo0 = load_balance_get_bucket_i (lb0,
- (hash_c0 &
- (lb0->lb_n_buckets_minus_1)));
- dpo1 = load_balance_get_bucket_i (lb1,
- (hash_c1 &
- (lb1->lb_n_buckets_minus_1)));
- dpo2 = load_balance_get_bucket_i (lb2,
- (hash_c2 &
- (lb2->lb_n_buckets_minus_1)));
- dpo3 = load_balance_get_bucket_i (lb3,
- (hash_c3 &
- (lb3->lb_n_buckets_minus_1)));
next0 = dpo0->dpoi_next_node;
vnet_buffer (p0)->ip.adj_index[VLIB_TX] = dpo0->dpoi_index;
vlib_increment_combined_counter
(cm, thread_index, lb_index0, 1,
- vlib_buffer_length_in_chain (vm, p0)
- + sizeof (ethernet_header_t));
+ vlib_buffer_length_in_chain (vm, p0));
vlib_increment_combined_counter
(cm, thread_index, lb_index1, 1,
- vlib_buffer_length_in_chain (vm, p1)
- + sizeof (ethernet_header_t));
+ vlib_buffer_length_in_chain (vm, p1));
vlib_increment_combined_counter
(cm, thread_index, lb_index2, 1,
- vlib_buffer_length_in_chain (vm, p2)
- + sizeof (ethernet_header_t));
+ vlib_buffer_length_in_chain (vm, p2));
vlib_increment_combined_counter
(cm, thread_index, lb_index3, 1,
- vlib_buffer_length_in_chain (vm, p3)
- + sizeof (ethernet_header_t));
+ vlib_buffer_length_in_chain (vm, p3));
vlib_validate_buffer_enqueue_x4 (vm, node, next,
to_next, n_left_to_next,
{
vlib_buffer_t *p0;
ip4_header_t *ip0;
- __attribute__ ((unused)) tcp_header_t *tcp0;
ip_lookup_next_t next0;
const load_balance_t *lb0;
ip4_fib_mtrie_t *mtrie0;
leaf0 = ip4_fib_mtrie_lookup_step_one (mtrie0, dst_addr0);
}
- tcp0 = (void *) (ip0 + 1);
-
if (!lookup_for_responses_to_locally_received_packets)
leaf0 = ip4_fib_mtrie_lookup_step (mtrie0, leaf0, dst_addr0, 2);
ASSERT (lbi0);
lb0 = load_balance_get (lbi0);
+ ASSERT (lb0->lb_n_buckets > 0);
+ ASSERT (is_pow2 (lb0->lb_n_buckets));
+
/* Use flow hash to compute multipath adjacency. */
hash_c0 = vnet_buffer (p0)->ip.flow_hash = 0;
if (PREDICT_FALSE (lb0->lb_n_buckets > 1))
hash_c0 = vnet_buffer (p0)->ip.flow_hash =
ip4_compute_flow_hash (ip0, flow_hash_config0);
+ dpo0 =
+ load_balance_get_fwd_bucket (lb0,
+ (hash_c0 &
+ (lb0->lb_n_buckets_minus_1)));
+ }
+ else
+ {
+ dpo0 = load_balance_get_bucket_i (lb0, 0);
}
-
- ASSERT (lb0->lb_n_buckets > 0);
- ASSERT (is_pow2 (lb0->lb_n_buckets));
-
- dpo0 = load_balance_get_bucket_i (lb0,
- (hash_c0 &
- (lb0->lb_n_buckets_minus_1)));
next0 = dpo0->dpoi_next_node;
vnet_buffer (p0)->ip.adj_index[VLIB_TX] = dpo0->dpoi_index;
- vlib_increment_combined_counter
- (cm, thread_index, lbi0, 1, vlib_buffer_length_in_chain (vm, p0));
+ vlib_increment_combined_counter (cm, thread_index, lbi0, 1,
+ vlib_buffer_length_in_chain (vm,
+ p0));
from += 1;
to_next += 1;
hc0 = vnet_buffer (p0)->ip.flow_hash =
ip4_compute_flow_hash (ip0, lb0->lb_hash_config);
}
+ dpo0 = load_balance_get_fwd_bucket
+ (lb0, (hc0 & (lb0->lb_n_buckets_minus_1)));
+ }
+ else
+ {
+ dpo0 = load_balance_get_bucket_i (lb0, 0);
}
if (PREDICT_FALSE (lb1->lb_n_buckets > 1))
{
hc1 = vnet_buffer (p1)->ip.flow_hash =
ip4_compute_flow_hash (ip1, lb1->lb_hash_config);
}
+ dpo1 = load_balance_get_fwd_bucket
+ (lb1, (hc1 & (lb1->lb_n_buckets_minus_1)));
+ }
+ else
+ {
+ dpo1 = load_balance_get_bucket_i (lb1, 0);
}
-
- dpo0 =
- load_balance_get_bucket_i (lb0,
- hc0 & (lb0->lb_n_buckets_minus_1));
- dpo1 =
- load_balance_get_bucket_i (lb1,
- hc1 & (lb1->lb_n_buckets_minus_1));
next0 = dpo0->dpoi_next_node;
next1 = dpo1->dpoi_next_node;
hc0 = vnet_buffer (p0)->ip.flow_hash =
ip4_compute_flow_hash (ip0, lb0->lb_hash_config);
}
+ dpo0 = load_balance_get_fwd_bucket
+ (lb0, (hc0 & (lb0->lb_n_buckets_minus_1)));
+ }
+ else
+ {
+ dpo0 = load_balance_get_bucket_i (lb0, 0);
}
-
- dpo0 =
- load_balance_get_bucket_i (lb0,
- hc0 & (lb0->lb_n_buckets_minus_1));
next0 = dpo0->dpoi_next_node;
vnet_buffer (p0)->ip.adj_index[VLIB_TX] = dpo0->dpoi_index;
int
vnet_set_ip4_flow_hash (u32 table_id, u32 flow_hash_config)
{
- ip4_fib_t *fib;
u32 fib_index;
fib_index = fib_table_find (FIB_PROTOCOL_IP4, table_id);
if (~0 == fib_index)
return VNET_API_ERROR_NO_SUCH_FIB;
- fib = ip4_fib_get (fib_index);
+ fib_table_set_flow_hash_config (fib_index, FIB_PROTOCOL_IP4,
+ flow_hash_config);
- fib->flow_hash_config = flow_hash_config;
return 0;
}
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