#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>
+#include <vnet/ip/ip.h>
+#include <vnet/ethernet/arp_packet.h>
#define foreach_bond_tx_error \
_(NONE, "no error") \
return s;
}
+#ifndef CLIB_MARCH_VARIANT
u8 *
format_bond_interface_name (u8 * s, va_list * args)
{
return s;
}
+#endif
+
+static __clib_unused clib_error_t *
+bond_set_l2_mode_function (vnet_main_t * vnm,
+ struct vnet_hw_interface_t *bif_hw,
+ i32 l2_if_adjust)
+{
+ bond_if_t *bif;
+ u32 *sw_if_index;
+ struct vnet_hw_interface_t *sif_hw;
+
+ bif = bond_get_master_by_sw_if_index (bif_hw->sw_if_index);
+ if (!bif)
+ return 0;
+
+ if ((bif_hw->l2_if_count == 1) && (l2_if_adjust == 1))
+ {
+ /* Just added first L2 interface on this port */
+ vec_foreach (sw_if_index, bif->slaves)
+ {
+ sif_hw = vnet_get_sup_hw_interface (vnm, *sw_if_index);
+ ethernet_set_flags (vnm, sif_hw->hw_if_index,
+ ETHERNET_INTERFACE_FLAG_ACCEPT_ALL);
+
+ /* ensure all packets go to ethernet-input */
+ ethernet_set_rx_redirect (vnm, sif_hw, 1);
+ }
+ }
+ else if ((bif_hw->l2_if_count == 0) && (l2_if_adjust == -1))
+ {
+ /* Just removed last L2 subinterface on this port */
+ vec_foreach (sw_if_index, bif->slaves)
+ {
+ sif_hw = vnet_get_sup_hw_interface (vnm, *sw_if_index);
+
+ /* Allow ip packets to go directly to ip4-input etc */
+ ethernet_set_rx_redirect (vnm, sif_hw, 0);
+ }
+ }
+
+ return 0;
+}
static __clib_unused clib_error_t *
bond_subif_add_del_function (vnet_main_t * vnm, u32 hw_if_index,
return 0;
}
-static inline u32
-bond_load_balance_broadcast (vlib_main_t * vm, vlib_node_runtime_t * node,
- bond_if_t * bif, vlib_buffer_t * b0)
+static_always_inline void
+bond_tx_add_to_queue (bond_per_thread_data_t * ptd, u32 port, u32 bi)
{
- vnet_main_t *vnm = vnet_get_main ();
+ u32 idx = ptd->per_port_queue[port].n_buffers++;
+ ptd->per_port_queue[port].buffers[idx] = bi;
+}
+
+static_always_inline u32
+bond_lb_broadcast (vlib_main_t * vm, vlib_node_runtime_t * node,
+ bond_if_t * bif, vlib_buffer_t * b0, uword n_slaves)
+{
+ bond_main_t *bm = &bond_main;
vlib_buffer_t *c0;
- int i;
- u32 *to_next = 0;
+ int port;
u32 sw_if_index;
- vlib_frame_t *f;
+ u16 thread_index = vm->thread_index;
+ bond_per_thread_data_t *ptd = vec_elt_at_index (bm->per_thread_data,
+ thread_index);
-
- for (i = 1; i < vec_len (bif->active_slaves); i++)
+ for (port = 1; port < n_slaves; port++)
{
- sw_if_index = *vec_elt_at_index (bif->active_slaves, i);
- f = vnet_get_frame_to_sw_interface (vnm, sw_if_index);
- to_next = vlib_frame_vector_args (f);
- to_next += f->n_vectors;
+ sw_if_index = *vec_elt_at_index (bif->active_slaves, port);
c0 = vlib_buffer_copy (vm, b0);
if (PREDICT_TRUE (c0 != 0))
{
vnet_buffer (c0)->sw_if_index[VLIB_TX] = sw_if_index;
- to_next[0] = vlib_get_buffer_index (vm, c0);
- f->n_vectors++;
- vnet_put_frame_to_sw_interface (vnm, sw_if_index, f);
+ bond_tx_add_to_queue (ptd, port, vlib_get_buffer_index (vm, c0));
}
}
return 0;
}
-static inline u32
-bond_load_balance_l2 (vlib_main_t * vm, vlib_node_runtime_t * node,
- bond_if_t * bif, vlib_buffer_t * b0)
+static_always_inline u32
+bond_lb_l2 (vlib_main_t * vm, vlib_node_runtime_t * node,
+ bond_if_t * bif, vlib_buffer_t * b0, uword n_slaves)
{
ethernet_header_t *eth = (ethernet_header_t *) vlib_buffer_get_current (b0);
- u32 a = 0, b = 0, c = 0, t1, t2;
- u16 t11, t22;
-
- memcpy (&t1, eth->src_address, sizeof (t1));
- memcpy (&t11, ð->src_address[4], sizeof (t11));
- a = t1 ^ t11;
+ 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 (&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 % vec_len (bif->active_slaves);
+ return lb_hash_hash_2_tuples (a, b);
}
-static inline u16 *
+static_always_inline u16 *
bond_locate_ethertype (ethernet_header_t * eth)
{
u16 *ethertype_p;
return ethertype_p;
}
-static inline u32
-bond_load_balance_l23 (vlib_main_t * vm, vlib_node_runtime_t * node,
- bond_if_t * bif, vlib_buffer_t * b0)
+static_always_inline u32
+bond_lb_l23 (vlib_main_t * vm, vlib_node_runtime_t * node,
+ bond_if_t * bif, vlib_buffer_t * b0, uword n_slaves)
{
ethernet_header_t *eth = (ethernet_header_t *) vlib_buffer_get_current (b0);
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)))
- return (bond_load_balance_l2 (vm, node, bif, b0));
+ return (bond_lb_l2 (vm, node, bif, b0, n_slaves));
ip4 = (ip4_header_t *) (ethertype_p + 1);
ip_version = (ip4->ip_version_and_header_length >> 4);
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 % vec_len (bif->active_slaves);
+ 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);
+ return c;
}
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 % vec_len (bif->active_slaves);
+ 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);
+ return c;
}
- return (bond_load_balance_l2 (vm, node, bif, b0));
+ return (bond_lb_l2 (vm, node, bif, b0, n_slaves));
}
-static inline u32
-bond_load_balance_l34 (vlib_main_t * vm, vlib_node_runtime_t * node,
- bond_if_t * bif, vlib_buffer_t * b0)
+static_always_inline u32
+bond_lb_l34 (vlib_main_t * vm, vlib_node_runtime_t * node,
+ bond_if_t * bif, vlib_buffer_t * b0, uword n_slaves)
{
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)))
- return (bond_load_balance_l2 (vm, node, bif, b0));
+ return (bond_lb_l2 (vm, node, bif, b0, n_slaves));
ip4 = (ip4_header_t *) (ethertype_p + 1);
ip_version = (ip4->ip_version_and_header_length >> 4);
if (ip_version == 0x4)
{
- u32 a = 0, b = 0, c = 0, t1, t2;
+ u32 a, 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 % vec_len (bif->active_slaves);
+ 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;
+ return
+ lb_hash_hash_2_tuples (clib_mem_unaligned (&ip4->address_pair, u64),
+ a);
}
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 % vec_len (bif->active_slaves);
+ 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);
+ return c;
}
- return (bond_load_balance_l2 (vm, node, bif, b0));
+ return (bond_lb_l2 (vm, node, bif, b0, n_slaves));
}
-static inline u32
-bond_load_balance_round_robin (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- bond_if_t * bif, vlib_buffer_t * b0)
+static_always_inline u32
+bond_lb_round_robin (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ bond_if_t * bif, vlib_buffer_t * b0, uword n_slaves)
{
bif->lb_rr_last_index++;
- bif->lb_rr_last_index %= vec_len (bif->active_slaves);
+ if (bif->lb_rr_last_index >= n_slaves)
+ bif->lb_rr_last_index = 0;
return bif->lb_rr_last_index;
}
-static inline u32
-bond_load_balance_active_backup (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- bond_if_t * bif, vlib_buffer_t * b0)
+static_always_inline void
+bond_tx_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
+ bond_if_t * bif, vlib_buffer_t ** b,
+ u32 * h, u32 n_left, uword n_slaves, u32 lb_alg)
{
- /* First interface is the active, the rest is backup */
- return 0;
+ while (n_left >= 4)
+ {
+ // Prefetch next iteration
+ if (n_left >= 8)
+ {
+ vlib_buffer_t **pb = b + 4;
+
+ vlib_prefetch_buffer_header (pb[0], LOAD);
+ vlib_prefetch_buffer_header (pb[1], LOAD);
+ vlib_prefetch_buffer_header (pb[2], LOAD);
+ vlib_prefetch_buffer_header (pb[3], LOAD);
+
+ CLIB_PREFETCH (pb[0]->data, CLIB_CACHE_LINE_BYTES, LOAD);
+ CLIB_PREFETCH (pb[1]->data, CLIB_CACHE_LINE_BYTES, LOAD);
+ CLIB_PREFETCH (pb[2]->data, CLIB_CACHE_LINE_BYTES, LOAD);
+ CLIB_PREFETCH (pb[3]->data, CLIB_CACHE_LINE_BYTES, LOAD);
+ }
+
+ VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b[0]);
+ VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b[1]);
+ VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b[2]);
+ VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b[3]);
+
+ if (lb_alg == BOND_LB_L2)
+ {
+ h[0] = bond_lb_l2 (vm, node, bif, b[0], n_slaves);
+ h[1] = bond_lb_l2 (vm, node, bif, b[1], n_slaves);
+ h[2] = bond_lb_l2 (vm, node, bif, b[2], n_slaves);
+ h[3] = bond_lb_l2 (vm, node, bif, b[3], n_slaves);
+ }
+ else if (lb_alg == BOND_LB_L34)
+ {
+ h[0] = bond_lb_l34 (vm, node, bif, b[0], n_slaves);
+ h[1] = bond_lb_l34 (vm, node, bif, b[1], n_slaves);
+ h[2] = bond_lb_l34 (vm, node, bif, b[2], n_slaves);
+ h[3] = bond_lb_l34 (vm, node, bif, b[3], n_slaves);
+ }
+ else if (lb_alg == BOND_LB_L23)
+ {
+ h[0] = bond_lb_l23 (vm, node, bif, b[0], n_slaves);
+ h[1] = bond_lb_l23 (vm, node, bif, b[1], n_slaves);
+ h[2] = bond_lb_l23 (vm, node, bif, b[2], n_slaves);
+ h[3] = bond_lb_l23 (vm, node, bif, b[3], n_slaves);
+ }
+ else if (lb_alg == BOND_LB_RR)
+ {
+ h[0] = bond_lb_round_robin (vm, node, bif, b[0], n_slaves);
+ h[1] = bond_lb_round_robin (vm, node, bif, b[1], n_slaves);
+ h[2] = bond_lb_round_robin (vm, node, bif, b[2], n_slaves);
+ h[3] = bond_lb_round_robin (vm, node, bif, b[3], n_slaves);
+ }
+ else if (lb_alg == BOND_LB_BC)
+ {
+ h[0] = bond_lb_broadcast (vm, node, bif, b[0], n_slaves);
+ h[1] = bond_lb_broadcast (vm, node, bif, b[1], n_slaves);
+ h[2] = bond_lb_broadcast (vm, node, bif, b[2], n_slaves);
+ h[3] = bond_lb_broadcast (vm, node, bif, b[3], n_slaves);
+ }
+ else
+ {
+ ASSERT (0);
+ }
+
+ n_left -= 4;
+ b += 4;
+ h += 4;
+ }
+
+ while (n_left > 0)
+ {
+ VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b[0]);
+
+ if (bif->lb == BOND_LB_L2)
+ h[0] = bond_lb_l2 (vm, node, bif, b[0], n_slaves);
+ else if (bif->lb == BOND_LB_L34)
+ h[0] = bond_lb_l34 (vm, node, bif, b[0], n_slaves);
+ else if (bif->lb == BOND_LB_L23)
+ h[0] = bond_lb_l23 (vm, node, bif, b[0], n_slaves);
+ else if (bif->lb == BOND_LB_RR)
+ h[0] = bond_lb_round_robin (vm, node, bif, b[0], n_slaves);
+ else if (bif->lb == BOND_LB_BC)
+ h[0] = bond_lb_broadcast (vm, node, bif, b[0], n_slaves);
+ else
+ {
+ ASSERT (0);
+ }
+
+ n_left -= 1;
+ b += 1;
+ }
}
-static bond_load_balance_func_t bond_load_balance_table[] = {
-#define _(v,f,s, p) { bond_load_balance_##p },
- foreach_bond_lb_algo
-#undef _
-};
+static_always_inline void
+bond_hash_to_port (u32 * h, u32 n_left, u32 n_slaves, int use_modulo_shortcut)
+{
+ u32 mask = n_slaves - 1;
-static uword
-bond_tx_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+#ifdef CLIB_HAVE_VEC256
+ /* only lower 16 bits of hash due to single precision fp arithmetics */
+ u32x8 mask8, sc8u, h8a, h8b;
+ f32x8 sc8f;
+
+ if (use_modulo_shortcut)
+ {
+ mask8 = u32x8_splat (mask);
+ }
+ else
+ {
+ mask8 = u32x8_splat (0xffff);
+ sc8u = u32x8_splat (n_slaves);
+ sc8f = f32x8_from_u32x8 (sc8u);
+ }
+
+ while (n_left > 16)
+ {
+ h8a = u32x8_load_unaligned (h) & mask8;
+ h8b = u32x8_load_unaligned (h + 8) & mask8;
+
+ if (use_modulo_shortcut == 0)
+ {
+ h8a -= sc8u * u32x8_from_f32x8 (f32x8_from_u32x8 (h8a) / sc8f);
+ h8b -= sc8u * u32x8_from_f32x8 (f32x8_from_u32x8 (h8b) / sc8f);
+ }
+
+ u32x8_store_unaligned (h8a, h);
+ u32x8_store_unaligned (h8b, h + 8);
+ n_left -= 16;
+ h += 16;
+ }
+#endif
+
+ while (n_left > 4)
+ {
+ if (use_modulo_shortcut)
+ {
+ h[0] &= mask;
+ h[1] &= mask;
+ h[2] &= mask;
+ h[3] &= mask;
+ }
+ else
+ {
+ h[0] %= n_slaves;
+ h[1] %= n_slaves;
+ h[2] %= n_slaves;
+ h[3] %= n_slaves;
+ }
+ n_left -= 4;
+ h += 4;
+ }
+ while (n_left)
+ {
+ if (use_modulo_shortcut)
+ h[0] &= mask;
+ else
+ h[0] %= n_slaves;
+ n_left -= 1;
+ h += 1;
+ }
+}
+
+static_always_inline void
+bond_update_sw_if_index (bond_per_thread_data_t * ptd, bond_if_t * bif,
+ u32 * bi, vlib_buffer_t ** b, u32 * data, u32 n_left,
+ int single_sw_if_index)
+{
+ u32 sw_if_index = data[0];
+ u32 *h = data;
+
+ while (n_left >= 4)
+ {
+ // Prefetch next iteration
+ if (n_left >= 8)
+ {
+ vlib_buffer_t **pb = b + 4;
+ vlib_prefetch_buffer_header (pb[0], LOAD);
+ vlib_prefetch_buffer_header (pb[1], LOAD);
+ vlib_prefetch_buffer_header (pb[2], LOAD);
+ vlib_prefetch_buffer_header (pb[3], LOAD);
+ }
+
+ if (PREDICT_FALSE (single_sw_if_index))
+ {
+ vnet_buffer (b[0])->sw_if_index[VLIB_TX] = sw_if_index;
+ vnet_buffer (b[1])->sw_if_index[VLIB_TX] = sw_if_index;
+ vnet_buffer (b[2])->sw_if_index[VLIB_TX] = sw_if_index;
+ vnet_buffer (b[3])->sw_if_index[VLIB_TX] = sw_if_index;
+
+ bond_tx_add_to_queue (ptd, 0, bi[0]);
+ bond_tx_add_to_queue (ptd, 0, bi[1]);
+ bond_tx_add_to_queue (ptd, 0, bi[2]);
+ bond_tx_add_to_queue (ptd, 0, bi[3]);
+ }
+ else
+ {
+ u32 sw_if_index[4];
+
+ sw_if_index[0] = *vec_elt_at_index (bif->active_slaves, h[0]);
+ sw_if_index[1] = *vec_elt_at_index (bif->active_slaves, h[1]);
+ sw_if_index[2] = *vec_elt_at_index (bif->active_slaves, h[2]);
+ sw_if_index[3] = *vec_elt_at_index (bif->active_slaves, h[3]);
+
+ vnet_buffer (b[0])->sw_if_index[VLIB_TX] = sw_if_index[0];
+ vnet_buffer (b[1])->sw_if_index[VLIB_TX] = sw_if_index[1];
+ vnet_buffer (b[2])->sw_if_index[VLIB_TX] = sw_if_index[2];
+ vnet_buffer (b[3])->sw_if_index[VLIB_TX] = sw_if_index[3];
+
+ bond_tx_add_to_queue (ptd, h[0], bi[0]);
+ bond_tx_add_to_queue (ptd, h[1], bi[1]);
+ bond_tx_add_to_queue (ptd, h[2], bi[2]);
+ bond_tx_add_to_queue (ptd, h[3], bi[3]);
+ }
+
+ bi += 4;
+ h += 4;
+ b += 4;
+ n_left -= 4;
+ }
+ while (n_left)
+ {
+ if (PREDICT_FALSE (single_sw_if_index))
+ {
+ vnet_buffer (b[0])->sw_if_index[VLIB_TX] = sw_if_index;
+ bond_tx_add_to_queue (ptd, 0, bi[0]);
+ }
+ else
+ {
+ u32 sw_if_index0 = *vec_elt_at_index (bif->active_slaves, h[0]);
+
+ vnet_buffer (b[0])->sw_if_index[VLIB_TX] = sw_if_index0;
+ bond_tx_add_to_queue (ptd, h[0], bi[0]);
+ }
+
+ bi += 1;
+ h += 1;
+ b += 1;
+ n_left -= 1;
+ }
+}
+
+static_always_inline void
+bond_tx_trace (vlib_main_t * vm, vlib_node_runtime_t * node, bond_if_t * bif,
+ vlib_buffer_t ** b, u32 n_left, u32 * h)
+{
+ uword n_trace = vlib_get_trace_count (vm, node);
+
+ while (n_trace > 0 && n_left > 0)
+ {
+ bond_packet_trace_t *t0;
+ ethernet_header_t *eth;
+ u32 next0 = 0;
+
+ vlib_trace_buffer (vm, node, next0, b[0], 0 /* follow_chain */ );
+ vlib_set_trace_count (vm, node, --n_trace);
+ t0 = vlib_add_trace (vm, node, b[0], sizeof (*t0));
+ eth = (ethernet_header_t *) vlib_buffer_get_current (b[0]);
+ t0->ethernet = *eth;
+ t0->sw_if_index = vnet_buffer (b[0])->sw_if_index[VLIB_TX];
+ if (!h)
+ {
+ t0->bond_sw_if_index = *vec_elt_at_index (bif->active_slaves, 0);
+ }
+ else
+ {
+ t0->bond_sw_if_index = *vec_elt_at_index (bif->active_slaves, h[0]);
+ h++;
+ }
+ b++;
+ n_left--;
+ }
+}
+
+VNET_DEVICE_CLASS_TX_FN (bond_dev_class) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
{
vnet_interface_output_runtime_t *rund = (void *) node->runtime_data;
bond_main_t *bm = &bond_main;
+ u16 thread_index = vm->thread_index;
bond_if_t *bif = pool_elt_at_index (bm->interfaces, rund->dev_instance);
- u32 bi0, bi1, bi2, bi3;
- vlib_buffer_t *b0, *b1, *b2, *b3;
+ uword n_slaves;
+ vlib_buffer_t *bufs[VLIB_FRAME_SIZE];
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 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);
- u16 thread_index = vlib_get_thread_index ();
+ u32 n_left = frame->n_vectors;
+ u32 hashes[VLIB_FRAME_SIZE], *h;
vnet_main_t *vnm = vnet_get_main ();
- u32 *to_next, *to_next1, *to_next2, *to_next3;
- u32 sif_if_index, sif_if_index1, sif_if_index2, sif_if_index3;
- vlib_frame_t *f, *f1, *f2, *f3;
+ bond_per_thread_data_t *ptd = vec_elt_at_index (bm->per_thread_data,
+ thread_index);
+ u32 p, sw_if_index;
if (PREDICT_FALSE (bif->admin_up == 0))
{
- vlib_buffer_free (vm, vlib_frame_args (frame), frame->n_vectors);
+ vlib_buffer_free (vm, vlib_frame_vector_args (frame), frame->n_vectors);
vlib_increment_simple_counter (vnet_main.interface_main.sw_if_counters +
VNET_INTERFACE_COUNTER_DROP,
thread_index, bif->sw_if_index,
return frame->n_vectors;
}
- if (PREDICT_FALSE (vec_len (bif->active_slaves) == 0))
+ n_slaves = vec_len (bif->active_slaves);
+ if (PREDICT_FALSE (n_slaves == 0))
{
- bi0 = from[0];
- b0 = vlib_get_buffer (vm, bi0);
- vlib_increment_combined_counter
- (vnet_main.interface_main.combined_sw_if_counters
- + VNET_INTERFACE_COUNTER_TX, thread_index, bif->sw_if_index,
- frame->n_vectors, b0->current_length);
-
- vlib_buffer_free (vm, vlib_frame_args (frame), frame->n_vectors);
+ vlib_buffer_free (vm, vlib_frame_vector_args (frame), frame->n_vectors);
vlib_increment_simple_counter (vnet_main.interface_main.sw_if_counters +
VNET_INTERFACE_COUNTER_DROP,
thread_index, bif->sw_if_index,
return frame->n_vectors;
}
- /* Number of buffers / pkts */
- n_left_from = frame->n_vectors;
+ vlib_get_buffers (vm, from, bufs, n_left);
- while (n_left_from >= 8)
+ /* active-backup mode, ship everyting to first sw if index */
+ if ((bif->lb == BOND_LB_AB) || PREDICT_FALSE (n_slaves == 1))
{
- // Prefetch next iteration
- {
- vlib_buffer_t *p4, *p5, *p6, *p7;
-
- p4 = vlib_get_buffer (vm, from[4]);
- p5 = vlib_get_buffer (vm, from[5]);
- 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);
-
- CLIB_PREFETCH (p4->data, CLIB_CACHE_LINE_BYTES, LOAD);
- CLIB_PREFETCH (p5->data, CLIB_CACHE_LINE_BYTES, LOAD);
- CLIB_PREFETCH (p6->data, CLIB_CACHE_LINE_BYTES, LOAD);
- CLIB_PREFETCH (p7->data, CLIB_CACHE_LINE_BYTES, LOAD);
- }
-
- bi0 = from[0];
- bi1 = from[1];
- bi2 = from[2];
- bi3 = from[3];
-
- b0 = vlib_get_buffer (vm, bi0);
- b1 = vlib_get_buffer (vm, bi1);
- b2 = vlib_get_buffer (vm, bi2);
- b3 = vlib_get_buffer (vm, bi3);
-
- VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b0);
- VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b1);
- VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b2);
- VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b3);
-
- sw_if_index = vnet_buffer (b0)->sw_if_index[VLIB_TX];
- sw_if_index1 = vnet_buffer (b1)->sw_if_index[VLIB_TX];
- 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);
- port1 =
- (bond_load_balance_table[bif->lb]).load_balance (vm, node, bif, b1);
- port2 =
- (bond_load_balance_table[bif->lb]).load_balance (vm, node, bif, b2);
- port3 =
- (bond_load_balance_table[bif->lb]).load_balance (vm, node, bif, b3);
-
- sif_if_index = *vec_elt_at_index (bif->active_slaves, port);
- 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 (b0)->sw_if_index[VLIB_TX] = sif_if_index;
- vnet_buffer (b1)->sw_if_index[VLIB_TX] = sif_if_index1;
- vnet_buffer (b2)->sw_if_index[VLIB_TX] = sif_if_index2;
- vnet_buffer (b3)->sw_if_index[VLIB_TX] = sif_if_index3;
-
- f = vnet_get_frame_to_sw_interface (vnm, sif_if_index);
- f1 = vnet_get_frame_to_sw_interface (vnm, sif_if_index1);
- f2 = vnet_get_frame_to_sw_interface (vnm, sif_if_index2);
- f3 = vnet_get_frame_to_sw_interface (vnm, sif_if_index3);
-
- to_next = vlib_frame_vector_args (f);
- to_next1 = vlib_frame_vector_args (f1);
- to_next2 = vlib_frame_vector_args (f2);
- to_next3 = vlib_frame_vector_args (f3);
-
- to_next += f->n_vectors;
- to_next1 += f1->n_vectors;
- to_next2 += f2->n_vectors;
- to_next3 += f3->n_vectors;
-
- to_next[0] = vlib_get_buffer_index (vm, b0);
- to_next1[0] = vlib_get_buffer_index (vm, b1);
- to_next2[0] = vlib_get_buffer_index (vm, b2);
- to_next3[0] = vlib_get_buffer_index (vm, b3);
-
- f->n_vectors++;
- f1->n_vectors++;
- f2->n_vectors++;
- f3->n_vectors++;
-
- vnet_put_frame_to_sw_interface (vnm, sif_if_index, f);
- vnet_put_frame_to_sw_interface (vnm, sif_if_index1, f1);
- vnet_put_frame_to_sw_interface (vnm, sif_if_index2, f2);
- vnet_put_frame_to_sw_interface (vnm, sif_if_index3, f3);
-
- if (PREDICT_FALSE (n_trace > 0))
- {
- vlib_trace_buffer (vm, node, next0, b0, 0 /* follow_chain */ );
- vlib_set_trace_count (vm, node, --n_trace);
- t0 = vlib_add_trace (vm, node, b0, sizeof (*t0));
- eth = (ethernet_header_t *) vlib_buffer_get_current (b0);
- t0->ethernet = *eth;
- t0->sw_if_index = sw_if_index;
- t0->bond_sw_if_index = vnet_buffer (b0)->sw_if_index[VLIB_TX];
-
- if (PREDICT_TRUE (n_trace > 0))
- {
- vlib_trace_buffer (vm, node, next1, b1, 0 /* follow_chain */ );
- vlib_set_trace_count (vm, node, --n_trace);
- t0 = vlib_add_trace (vm, node, b1, sizeof (*t0));
- eth = (ethernet_header_t *) vlib_buffer_get_current (b1);
- t0->ethernet = *eth;
- t0->sw_if_index = sw_if_index1;
- t0->bond_sw_if_index = vnet_buffer (b1)->sw_if_index[VLIB_TX];
-
- if (PREDICT_TRUE (n_trace > 0))
- {
- vlib_trace_buffer (vm, node, next2, b2,
- 0 /* follow_chain */ );
- vlib_set_trace_count (vm, node, --n_trace);
- t0 = vlib_add_trace (vm, node, b2, sizeof (*t0));
- eth = (ethernet_header_t *) vlib_buffer_get_current (b2);
- t0->ethernet = *eth;
- t0->sw_if_index = sw_if_index2;
- t0->bond_sw_if_index =
- vnet_buffer (b2)->sw_if_index[VLIB_TX];
-
- if (PREDICT_TRUE (n_trace > 0))
- {
- vlib_trace_buffer (vm, node, next3, b3,
- 0 /* follow_chain */ );
- vlib_set_trace_count (vm, node, --n_trace);
- t0 = vlib_add_trace (vm, node, b3, sizeof (*t0));
- eth =
- (ethernet_header_t *) vlib_buffer_get_current (b3);
- t0->ethernet = *eth;
- t0->sw_if_index = sw_if_index3;
- t0->bond_sw_if_index =
- vnet_buffer (b3)->sw_if_index[VLIB_TX];
- }
- }
- }
- }
+ sw_if_index = *vec_elt_at_index (bif->active_slaves, 0);
- from += 4;
- n_left_from -= 4;
+ bond_tx_trace (vm, node, bif, bufs, frame->n_vectors, 0);
+ bond_update_sw_if_index (ptd, bif, from, bufs, &sw_if_index, n_left,
+ /* single_sw_if_index */ 1);
+ goto done;
}
- while (n_left_from > 0)
+ if (bif->lb == BOND_LB_BC)
{
- // 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);
- CLIB_PREFETCH (p2->data, CLIB_CACHE_LINE_BYTES, LOAD);
- }
+ sw_if_index = *vec_elt_at_index (bif->active_slaves, 0);
+
+ bond_tx_inline (vm, node, bif, bufs, hashes, n_left, n_slaves,
+ BOND_LB_BC);
+ bond_tx_trace (vm, node, bif, bufs, frame->n_vectors, 0);
+ bond_update_sw_if_index (ptd, bif, from, bufs, &sw_if_index, n_left,
+ /* single_sw_if_index */ 1);
+ goto done;
+ }
- bi0 = from[0];
- b0 = vlib_get_buffer (vm, bi0);
+ if (bif->lb == BOND_LB_L2)
+ bond_tx_inline (vm, node, bif, bufs, hashes, n_left, n_slaves,
+ BOND_LB_L2);
+ else if (bif->lb == BOND_LB_L34)
+ bond_tx_inline (vm, node, bif, bufs, hashes, n_left, n_slaves,
+ BOND_LB_L34);
+ else if (bif->lb == BOND_LB_L23)
+ bond_tx_inline (vm, node, bif, bufs, hashes, n_left, n_slaves,
+ BOND_LB_L23);
+ else if (bif->lb == BOND_LB_RR)
+ bond_tx_inline (vm, node, bif, bufs, hashes, n_left, n_slaves,
+ BOND_LB_RR);
+ else
+ ASSERT (0);
- VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b0);
+ /* calculate port out of hash */
+ h = hashes;
+ if (BOND_MODULO_SHORTCUT (n_slaves))
+ bond_hash_to_port (h, frame->n_vectors, n_slaves, 1);
+ else
+ bond_hash_to_port (h, frame->n_vectors, n_slaves, 0);
- sw_if_index = vnet_buffer (b0)->sw_if_index[VLIB_TX];
+ bond_tx_trace (vm, node, bif, bufs, frame->n_vectors, h);
- port =
- (bond_load_balance_table[bif->lb]).load_balance (vm, node, bif, b0);
- sif_if_index = *vec_elt_at_index (bif->active_slaves, port);
- vnet_buffer (b0)->sw_if_index[VLIB_TX] = sif_if_index;
- f = vnet_get_frame_to_sw_interface (vnm, sif_if_index);
- to_next = vlib_frame_vector_args (f);
- to_next += f->n_vectors;
+ bond_update_sw_if_index (ptd, bif, from, bufs, hashes, frame->n_vectors,
+ /* single_sw_if_index */ 0);
- to_next[0] = vlib_get_buffer_index (vm, b0);
- f->n_vectors++;
- vnet_put_frame_to_sw_interface (vnm, sif_if_index, f);
+done:
+ for (p = 0; p < n_slaves; p++)
+ {
+ vlib_frame_t *f;
+ u32 *to_next;
- if (PREDICT_FALSE (n_trace > 0))
+ sw_if_index = *vec_elt_at_index (bif->active_slaves, p);
+ if (PREDICT_TRUE (ptd->per_port_queue[p].n_buffers))
{
- vlib_trace_buffer (vm, node, next0, b0, 0 /* follow_chain */ );
- vlib_set_trace_count (vm, node, --n_trace);
- t0 = vlib_add_trace (vm, node, b0, sizeof (*t0));
- eth = (ethernet_header_t *) vlib_buffer_get_current (b0);
- t0->ethernet = *eth;
- t0->sw_if_index = sw_if_index;
- t0->bond_sw_if_index = vnet_buffer (b0)->sw_if_index[VLIB_TX];
+ f = vnet_get_frame_to_sw_interface (vnm, sw_if_index);
+ f->n_vectors = ptd->per_port_queue[p].n_buffers;
+ to_next = vlib_frame_vector_args (f);
+ clib_memcpy_fast (to_next, ptd->per_port_queue[p].buffers,
+ f->n_vectors * sizeof (u32));
+ vnet_put_frame_to_sw_interface (vnm, sw_if_index, f);
+ ptd->per_port_queue[p].n_buffers = 0;
}
-
- from += 1;
- n_left_from -= 1;
}
vlib_increment_simple_counter (vnet_main.interface_main.sw_if_counters
return frame->n_vectors;
}
+static walk_rc_t
+bond_active_interface_switch_cb (vnet_main_t * vnm, u32 sw_if_index,
+ void *arg)
+{
+ bond_main_t *bm = &bond_main;
+
+ send_ip4_garp (bm->vlib_main, sw_if_index);
+ send_ip6_na (bm->vlib_main, sw_if_index);
+
+ return (WALK_CONTINUE);
+}
+
+static uword
+bond_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
+{
+ vnet_main_t *vnm = vnet_get_main ();
+ uword event_type, *event_data = 0;
+
+ while (1)
+ {
+ u32 i;
+ u32 hw_if_index;
+
+ vlib_process_wait_for_event (vm);
+ event_type = vlib_process_get_events (vm, &event_data);
+ ASSERT (event_type == BOND_SEND_GARP_NA);
+ for (i = 0; i < vec_len (event_data); i++)
+ {
+ hw_if_index = event_data[i];
+ /* walk hw interface to process all subinterfaces */
+ vnet_hw_interface_walk_sw (vnm, hw_if_index,
+ bond_active_interface_switch_cb, 0);
+ }
+ vec_reset_length (event_data);
+ }
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (bond_process_node) = {
+ .function = bond_process,
+ .type = VLIB_NODE_TYPE_PROCESS,
+ .name = "bond-process",
+};
+/* *INDENT-ON* */
+
/* *INDENT-OFF* */
VNET_DEVICE_CLASS (bond_dev_class) = {
.name = "bond",
- .tx_function = bond_tx_fn,
.tx_function_n_errors = BOND_TX_N_ERROR,
.tx_function_error_strings = bond_tx_error_strings,
.format_device_name = format_bond_interface_name,
+ .set_l2_mode_function = bond_set_l2_mode_function,
.admin_up_down_function = bond_interface_admin_up_down,
.subif_add_del_function = bond_subif_add_del_function,
.format_tx_trace = format_bond_tx_trace,
};
-VLIB_DEVICE_TX_FUNCTION_MULTIARCH (bond_dev_class, bond_tx_fn)
/* *INDENT-ON* */
/*