#include <vnet/ip/ip6_packet.h>
#include <vnet/ip/ip6_hop_by_hop_packet.h>
#include <vnet/bonding/node.h>
+#include <vppinfra/lb_hash_hash.h>
#define foreach_bond_tx_error \
_(NONE, "no error") \
return 0;
}
-static inline u32
+static_always_inline u32
bond_load_balance_broadcast (vlib_main_t * vm, vlib_node_runtime_t * node,
bond_if_t * bif, vlib_buffer_t * b0,
uword slave_count)
return 0;
}
-static inline u32
+static_always_inline u32
bond_load_balance_l2 (vlib_main_t * vm, vlib_node_runtime_t * node,
bond_if_t * bif, vlib_buffer_t * b0, uword slave_count)
{
ethernet_header_t *eth = (ethernet_header_t *) vlib_buffer_get_current (b0);
- u32 a = 0, b = 0, c = 0, t1, t2;
- u16 t11, t22;
+ u32 c;
+ u64 *dst = (u64 *) & eth->dst_address[0];
+ u64 a = clib_mem_unaligned (dst, u64);
+ u32 *src = (u32 *) & eth->src_address[2];
+ u32 b = clib_mem_unaligned (src, u32);
- memcpy (&t1, eth->src_address, sizeof (t1));
- memcpy (&t11, ð->src_address[4], sizeof (t11));
- a = t1 ^ t11;
+ c = lb_hash_hash_2_tuples (a, b);
- memcpy (&t2, eth->dst_address, sizeof (t2));
- memcpy (&t22, ð->dst_address[4], sizeof (t22));
- b = t2 ^ t22;
-
- hash_v3_mix32 (a, b, c);
- hash_v3_finalize32 (a, b, c);
-
- return c % slave_count;
+ if (BOND_MODULO_SHORTCUT (slave_count))
+ return (c & (slave_count - 1));
+ else
+ return c % slave_count;
}
-static inline u16 *
+static_always_inline u16 *
bond_locate_ethertype (ethernet_header_t * eth)
{
u16 *ethertype_p;
return ethertype_p;
}
-static inline u32
+static_always_inline u32
bond_load_balance_l23 (vlib_main_t * vm, vlib_node_runtime_t * node,
bond_if_t * bif, vlib_buffer_t * b0, uword slave_count)
{
u8 ip_version;
ip4_header_t *ip4;
u16 ethertype, *ethertype_p;
+ u32 *mac1, *mac2, *mac3;
ethertype_p = bond_locate_ethertype (eth);
- ethertype = *ethertype_p;
+ ethertype = clib_mem_unaligned (ethertype_p, u16);
if ((ethertype != htons (ETHERNET_TYPE_IP4)) &&
(ethertype != htons (ETHERNET_TYPE_IP6)))
if (ip_version == 0x4)
{
- u16 t11, t22;
- u32 a = 0, b = 0, c = 0, t1, t2;
-
- memcpy (&t1, eth->src_address, sizeof (t1));
- memcpy (&t11, ð->src_address[4], sizeof (t11));
- a = t1 ^ t11;
-
- memcpy (&t2, eth->dst_address, sizeof (t2));
- memcpy (&t22, ð->dst_address[4], sizeof (t22));
- b = t2 ^ t22;
-
- c = ip4->src_address.data_u32 ^ ip4->dst_address.data_u32;
-
- hash_v3_mix32 (a, b, c);
- hash_v3_finalize32 (a, b, c);
-
- return c % slave_count;
+ u32 a, c;
+
+ mac1 = (u32 *) & eth->dst_address[0];
+ mac2 = (u32 *) & eth->dst_address[4];
+ mac3 = (u32 *) & eth->src_address[2];
+
+ a = clib_mem_unaligned (mac1, u32) ^ clib_mem_unaligned (mac2, u32) ^
+ clib_mem_unaligned (mac3, u32);
+ c =
+ lb_hash_hash_2_tuples (clib_mem_unaligned (&ip4->address_pair, u64),
+ a);
+ if (BOND_MODULO_SHORTCUT (slave_count))
+ return (c & (slave_count - 1));
+ else
+ return c % slave_count;
}
else if (ip_version == 0x6)
{
- u64 a, b, c;
- u64 t1 = 0, t2 = 0;
+ u64 a;
+ u32 c;
ip6_header_t *ip6 = (ip6_header_t *) (eth + 1);
- memcpy (&t1, eth->src_address, sizeof (eth->src_address));
- memcpy (&t2, eth->dst_address, sizeof (eth->dst_address));
- a = t1 ^ t2;
-
- b = (ip6->src_address.as_u64[0] ^ ip6->src_address.as_u64[1]);
- c = (ip6->dst_address.as_u64[0] ^ ip6->dst_address.as_u64[1]);
-
- hash_mix64 (a, b, c);
- return c % slave_count;
+ mac1 = (u32 *) & eth->dst_address[0];
+ mac2 = (u32 *) & eth->dst_address[4];
+ mac3 = (u32 *) & eth->src_address[2];
+
+ a = clib_mem_unaligned (mac1, u32) ^ clib_mem_unaligned (mac2, u32) ^
+ clib_mem_unaligned (mac3, u32);
+ c =
+ lb_hash_hash (clib_mem_unaligned
+ (&ip6->src_address.as_uword[0], uword),
+ clib_mem_unaligned (&ip6->src_address.as_uword[1],
+ uword),
+ clib_mem_unaligned (&ip6->dst_address.as_uword[0],
+ uword),
+ clib_mem_unaligned (&ip6->dst_address.as_uword[1],
+ uword), a);
+ if (BOND_MODULO_SHORTCUT (slave_count))
+ return (c & (slave_count - 1));
+ else
+ return c % slave_count;
}
return (bond_load_balance_l2 (vm, node, bif, b0, slave_count));
}
-static inline u32
+static_always_inline u32
bond_load_balance_l34 (vlib_main_t * vm, vlib_node_runtime_t * node,
bond_if_t * bif, vlib_buffer_t * b0, uword slave_count)
{
ethernet_header_t *eth = (ethernet_header_t *) vlib_buffer_get_current (b0);
u8 ip_version;
- uword is_tcp_udp = 0;
+ uword is_tcp_udp;
ip4_header_t *ip4;
u16 ethertype, *ethertype_p;
ethertype_p = bond_locate_ethertype (eth);
- ethertype = *ethertype_p;
+ ethertype = clib_mem_unaligned (ethertype_p, u16);
if ((ethertype != htons (ETHERNET_TYPE_IP4)) &&
(ethertype != htons (ETHERNET_TYPE_IP6)))
if (ip_version == 0x4)
{
- u32 a = 0, b = 0, c = 0, t1, t2;
+ u32 a, c, t1, t2;
tcp_header_t *tcp = (void *) (ip4 + 1);
+
is_tcp_udp = (ip4->protocol == IP_PROTOCOL_TCP) ||
(ip4->protocol == IP_PROTOCOL_UDP);
-
- a = ip4->src_address.data_u32 ^ ip4->dst_address.data_u32;
-
- t1 = is_tcp_udp ? tcp->src : 0;
- t2 = is_tcp_udp ? tcp->dst : 0;
- b = t1 + (t2 << 16);
-
- hash_v3_mix32 (a, b, c);
- hash_v3_finalize32 (a, b, c);
-
- return c % slave_count;
+ t1 = is_tcp_udp ? clib_mem_unaligned (&tcp->src, u16) : 0;
+ t2 = is_tcp_udp ? clib_mem_unaligned (&tcp->dst, u16) : 0;
+ a = t1 ^ t2;
+ c =
+ lb_hash_hash_2_tuples (clib_mem_unaligned (&ip4->address_pair, u64),
+ a);
+ if (BOND_MODULO_SHORTCUT (slave_count))
+ return (c & (slave_count - 1));
+ else
+ return c % slave_count;
}
else if (ip_version == 0x6)
{
- u64 a, b, c;
- u64 t1, t2;
+ u64 a;
+ u32 c, t1, t2;
ip6_header_t *ip6 = (ip6_header_t *) (eth + 1);
tcp_header_t *tcp = (void *) (ip6 + 1);
+ is_tcp_udp = 0;
if (PREDICT_TRUE ((ip6->protocol == IP_PROTOCOL_TCP) ||
(ip6->protocol == IP_PROTOCOL_UDP)))
{
tcp = (tcp_header_t *) ((u8 *) hbh + ((hbh->length + 1) << 3));
}
}
- a = (ip6->src_address.as_u64[0] ^ ip6->src_address.as_u64[1]);
- b = (ip6->dst_address.as_u64[0] ^ ip6->dst_address.as_u64[1]);
-
- t1 = is_tcp_udp ? tcp->src : 0;
- t2 = is_tcp_udp ? tcp->dst : 0;
- c = (t2 << 16) | t1;
- hash_mix64 (a, b, c);
-
- return c % slave_count;
+ t1 = is_tcp_udp ? clib_mem_unaligned (&tcp->src, u16) : 0;
+ t2 = is_tcp_udp ? clib_mem_unaligned (&tcp->dst, u16) : 0;
+ a = t1 ^ t2;
+ c =
+ lb_hash_hash (clib_mem_unaligned
+ (&ip6->src_address.as_uword[0], uword),
+ clib_mem_unaligned (&ip6->src_address.as_uword[1],
+ uword),
+ clib_mem_unaligned (&ip6->dst_address.as_uword[0],
+ uword),
+ clib_mem_unaligned (&ip6->dst_address.as_uword[1],
+ uword), a);
+ if (BOND_MODULO_SHORTCUT (slave_count))
+ return (c & (slave_count - 1));
+ else
+ return c % slave_count;
}
return (bond_load_balance_l2 (vm, node, bif, b0, slave_count));
}
-static inline u32
+static_always_inline u32
bond_load_balance_round_robin (vlib_main_t * vm,
vlib_node_runtime_t * node,
bond_if_t * bif, vlib_buffer_t * b0,
uword slave_count)
{
bif->lb_rr_last_index++;
- bif->lb_rr_last_index %= slave_count;
+ if (BOND_MODULO_SHORTCUT (slave_count))
+ bif->lb_rr_last_index &= slave_count - 1;
+ else
+ bif->lb_rr_last_index %= slave_count;
return bif->lb_rr_last_index;
}
-static inline u32
+static_always_inline u32
bond_load_balance_active_backup (vlib_main_t * vm,
vlib_node_runtime_t * node,
bond_if_t * bif, vlib_buffer_t * b0,
u32 *from = vlib_frame_vector_args (frame);
u32 n_left_from;
ethernet_header_t *eth;
- u32 next0 = 0, next1 = 0, next2 = 0, next3 = 0;
- u32 port, port1, port2, port3;
+ u32 port;
u32 sw_if_index, sw_if_index1, sw_if_index2, sw_if_index3;
bond_packet_trace_t *t0;
uword n_trace = vlib_get_trace_count (vm, node);
{
while (n_left_from >= 4)
{
+ u32 next0 = 0, next1 = 0, next2 = 0, next3 = 0;
+ u32 port0 = 0, port1 = 0, port2 = 0, port3 = 0;
+
// Prefetch next iteration
if (n_left_from >= 8)
{
p6 = vlib_get_buffer (vm, from[6]);
p7 = vlib_get_buffer (vm, from[7]);
- vlib_prefetch_buffer_header (p4, STORE);
- vlib_prefetch_buffer_header (p5, STORE);
- vlib_prefetch_buffer_header (p6, STORE);
- vlib_prefetch_buffer_header (p7, STORE);
+ vlib_prefetch_buffer_header (p4, LOAD);
+ vlib_prefetch_buffer_header (p5, LOAD);
+ vlib_prefetch_buffer_header (p6, LOAD);
+ vlib_prefetch_buffer_header (p7, LOAD);
CLIB_PREFETCH (p4->data, CLIB_CACHE_LINE_BYTES, LOAD);
CLIB_PREFETCH (p5->data, CLIB_CACHE_LINE_BYTES, LOAD);
sw_if_index2 = vnet_buffer (b2)->sw_if_index[VLIB_TX];
sw_if_index3 = vnet_buffer (b3)->sw_if_index[VLIB_TX];
- port =
- (bond_load_balance_table[bif->lb]).load_balance (vm, node, bif,
- b0, slave_count);
- port1 =
- (bond_load_balance_table[bif->lb]).load_balance (vm, node, bif,
- b1, slave_count);
- port2 =
- (bond_load_balance_table[bif->lb]).load_balance (vm, node, bif,
- b2, slave_count);
- port3 =
- (bond_load_balance_table[bif->lb]).load_balance (vm, node, bif,
- b3, slave_count);
-
- sif_if_index = *vec_elt_at_index (bif->active_slaves, port);
+ if (PREDICT_TRUE (slave_count != 1))
+ {
+ port0 =
+ (bond_load_balance_table[bif->lb]).load_balance (vm, node,
+ bif, b0,
+ slave_count);
+ port1 =
+ (bond_load_balance_table[bif->lb]).load_balance (vm, node,
+ bif, b1,
+ slave_count);
+ port2 =
+ (bond_load_balance_table[bif->lb]).load_balance (vm, node,
+ bif, b2,
+ slave_count);
+ port3 =
+ (bond_load_balance_table[bif->lb]).load_balance (vm, node,
+ bif, b3,
+ slave_count);
+ }
+
+ sif_if_index = *vec_elt_at_index (bif->active_slaves, port0);
sif_if_index1 = *vec_elt_at_index (bif->active_slaves, port1);
sif_if_index2 = *vec_elt_at_index (bif->active_slaves, port2);
sif_if_index3 = *vec_elt_at_index (bif->active_slaves, port3);
vnet_buffer (b2)->sw_if_index[VLIB_TX] = sif_if_index2;
vnet_buffer (b3)->sw_if_index[VLIB_TX] = sif_if_index3;
- if (bif->per_thread_info[thread_index].frame[port] == 0)
- bif->per_thread_info[thread_index].frame[port] =
+ if (PREDICT_FALSE ((bif->per_thread_info[thread_index].frame[port0]
+ == 0)))
+ bif->per_thread_info[thread_index].frame[port0] =
vnet_get_frame_to_sw_interface (vnm, sif_if_index);
- if (bif->per_thread_info[thread_index].frame[port1] == 0)
+ if (PREDICT_FALSE ((bif->per_thread_info[thread_index].frame[port1]
+ == 0)))
bif->per_thread_info[thread_index].frame[port1] =
vnet_get_frame_to_sw_interface (vnm, sif_if_index1);
- if (bif->per_thread_info[thread_index].frame[port2] == 0)
+ if (PREDICT_FALSE ((bif->per_thread_info[thread_index].frame[port2]
+ == 0)))
bif->per_thread_info[thread_index].frame[port2] =
vnet_get_frame_to_sw_interface (vnm, sif_if_index2);
- if (bif->per_thread_info[thread_index].frame[port3] == 0)
+ if (PREDICT_FALSE ((bif->per_thread_info[thread_index].frame[port3]
+ == 0)))
bif->per_thread_info[thread_index].frame[port3] =
vnet_get_frame_to_sw_interface (vnm, sif_if_index3);
- f = bif->per_thread_info[thread_index].frame[port];
+ f = bif->per_thread_info[thread_index].frame[port0];
to_next = vlib_frame_vector_args (f);
to_next += f->n_vectors;
to_next[0] = vlib_get_buffer_index (vm, b0);
while (n_left_from > 0)
{
+ u32 next0 = 0;
+ u32 port0 = 0;
+
// Prefetch next iteration
if (n_left_from > 1)
{
vlib_buffer_t *p2;
p2 = vlib_get_buffer (vm, from[1]);
- vlib_prefetch_buffer_header (p2, STORE);
+ vlib_prefetch_buffer_header (p2, LOAD);
CLIB_PREFETCH (p2->data, CLIB_CACHE_LINE_BYTES, LOAD);
}
sw_if_index = vnet_buffer (b0)->sw_if_index[VLIB_TX];
- port =
- (bond_load_balance_table[bif->lb]).load_balance (vm, node, bif,
- b0, slave_count);
- sif_if_index = *vec_elt_at_index (bif->active_slaves, port);
+ if (PREDICT_TRUE (slave_count != 1))
+ port0 =
+ (bond_load_balance_table[bif->lb]).load_balance (vm, node, bif,
+ b0,
+ slave_count);
+ sif_if_index = *vec_elt_at_index (bif->active_slaves, port0);
vnet_buffer (b0)->sw_if_index[VLIB_TX] = sif_if_index;
- if (bif->per_thread_info[thread_index].frame[port] == 0)
- bif->per_thread_info[thread_index].frame[port] =
+ if (PREDICT_FALSE
+ ((bif->per_thread_info[thread_index].frame[port0] == 0)))
+ bif->per_thread_info[thread_index].frame[port0] =
vnet_get_frame_to_sw_interface (vnm, sif_if_index);
- f = bif->per_thread_info[thread_index].frame[port];
+ f = bif->per_thread_info[thread_index].frame[port0];
to_next = vlib_frame_vector_args (f);
to_next += f->n_vectors;
to_next[0] = vlib_get_buffer_index (vm, b0);
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