#define _GNU_SOURCE
#include <stdint.h>
-#include <vnet/ethernet/ethernet.h>
-#include <vnet/ip/ip4_packet.h>
-#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/ip-neighbor/ip_neighbor.h>
#include <vnet/ip-neighbor/ip4_neighbor.h>
#include <vnet/ip-neighbor/ip6_neighbor.h>
+#include <vnet/bonding/node.h>
#define foreach_bond_tx_error \
_ (NONE, "no error") \
}
static_always_inline u32
-bond_lb_broadcast (vlib_main_t * vm,
- bond_if_t * bif, vlib_buffer_t * b0, uword n_members)
+bond_lb_broadcast (vlib_main_t *vm, bond_if_t *bif, vlib_buffer_t *b0,
+ uword n_members)
{
bond_main_t *bm = &bond_main;
vlib_buffer_t *c0;
}
static_always_inline u32
-bond_lb_l2 (vlib_buffer_t * b0)
-{
- ethernet_header_t *eth = vlib_buffer_get_current (b0);
- 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);
-
- return lb_hash_hash_2_tuples (a, b);
-}
-
-static_always_inline u16 *
-bond_locate_ethertype (ethernet_header_t * eth)
+bond_lb_round_robin (bond_if_t *bif, vlib_buffer_t *b0, uword n_members)
{
- u16 *ethertype_p;
- ethernet_vlan_header_t *vlan;
+ bif->lb_rr_last_index++;
+ if (bif->lb_rr_last_index >= n_members)
+ bif->lb_rr_last_index = 0;
- if (!ethernet_frame_is_tagged (clib_net_to_host_u16 (eth->type)))
- {
- ethertype_p = ð->type;
- }
- else
- {
- vlan = (void *) (eth + 1);
- ethertype_p = &vlan->type;
- if (*ethertype_p == ntohs (ETHERNET_TYPE_VLAN))
- {
- vlan++;
- ethertype_p = &vlan->type;
- }
- }
- return ethertype_p;
+ return bif->lb_rr_last_index;
}
-static_always_inline u32
-bond_lb_l23 (vlib_buffer_t * b0)
+static_always_inline void
+bond_tx_hash (vlib_main_t *vm, bond_per_thread_data_t *ptd, bond_if_t *bif,
+ vlib_buffer_t **b, u32 *h, u32 n_left)
{
- ethernet_header_t *eth = 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 = clib_mem_unaligned (ethertype_p, u16);
+ u32 n_left_from = n_left;
+ void **data;
- if ((ethertype != htons (ETHERNET_TYPE_IP4)) &&
- (ethertype != htons (ETHERNET_TYPE_IP6)))
- return bond_lb_l2 (b0);
+ ASSERT (bif->hash_func != 0);
- ip4 = (ip4_header_t *) (ethertype_p + 1);
- ip_version = (ip4->ip_version_and_header_length >> 4);
-
- if (ip_version == 0x4)
- {
- 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)
+ vec_validate_aligned (ptd->data, n_left - 1, CLIB_CACHE_LINE_BYTES);
+ data = ptd->data;
+ while (n_left >= 8)
{
- u64 a;
- u32 c;
- ip6_header_t *ip6 = (ip6_header_t *) (eth + 1);
-
- 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_lb_l2 (b0);
-}
-
-static_always_inline u32
-bond_lb_l34 (vlib_buffer_t * b0)
-{
- ethernet_header_t *eth = vlib_buffer_get_current (b0);
- u8 ip_version;
- uword is_tcp_udp;
- ip4_header_t *ip4;
- u16 ethertype, *ethertype_p;
-
- ethertype_p = bond_locate_ethertype (eth);
- ethertype = clib_mem_unaligned (ethertype_p, u16);
-
- if ((ethertype != htons (ETHERNET_TYPE_IP4)) &&
- (ethertype != htons (ETHERNET_TYPE_IP6)))
- return (bond_lb_l2 (b0));
+ // Prefetch next iteration
+ vlib_prefetch_buffer_header (b[4], LOAD);
+ vlib_prefetch_buffer_header (b[5], LOAD);
+ vlib_prefetch_buffer_header (b[6], LOAD);
+ vlib_prefetch_buffer_header (b[7], LOAD);
- ip4 = (ip4_header_t *) (ethertype_p + 1);
- ip_version = (ip4->ip_version_and_header_length >> 4);
+ data[0] = vlib_buffer_get_current (b[0]);
+ data[1] = vlib_buffer_get_current (b[1]);
+ data[2] = vlib_buffer_get_current (b[2]);
+ data[3] = vlib_buffer_get_current (b[3]);
- if (ip_version == 0x4)
- {
- u32 a, t1, t2;
- tcp_header_t *tcp = (void *) (ip4 + 1);
-
- is_tcp_udp = (ip4->protocol == IP_PROTOCOL_TCP) ||
- (ip4->protocol == IP_PROTOCOL_UDP);
- 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;
- 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)))
- {
- is_tcp_udp = 1;
- tcp = (void *) (ip6 + 1);
- }
- else if (ip6->protocol == IP_PROTOCOL_IP6_HOP_BY_HOP_OPTIONS)
- {
- ip6_hop_by_hop_header_t *hbh =
- (ip6_hop_by_hop_header_t *) (ip6 + 1);
- if ((hbh->protocol == IP_PROTOCOL_TCP)
- || (hbh->protocol == IP_PROTOCOL_UDP))
- {
- is_tcp_udp = 1;
- tcp = (tcp_header_t *) ((u8 *) hbh + ((hbh->length + 1) << 3));
- }
- }
- 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;
+ n_left -= 4;
+ b += 4;
+ data += 4;
}
- return bond_lb_l2 (b0);
-}
+ while (n_left > 0)
+ {
+ data[0] = vlib_buffer_get_current (b[0]);
-static_always_inline u32
-bond_lb_round_robin (bond_if_t * bif, vlib_buffer_t * b0, uword n_members)
-{
- bif->lb_rr_last_index++;
- if (bif->lb_rr_last_index >= n_members)
- bif->lb_rr_last_index = 0;
+ n_left -= 1;
+ b += 1;
+ data += 1;
+ }
- return bif->lb_rr_last_index;
+ bif->hash_func (ptd->data, h, n_left_from);
+ vec_reset_length (ptd->data);
}
static_always_inline void
-bond_tx_inline (vlib_main_t * vm, bond_if_t * bif, vlib_buffer_t ** b,
- u32 * h, u32 n_left, uword n_members, u32 lb_alg)
+bond_tx_no_hash (vlib_main_t *vm, bond_if_t *bif, vlib_buffer_t **b, u32 *h,
+ u32 n_left, uword n_members, u32 lb_alg)
{
- while (n_left >= 4)
+ while (n_left >= 8)
{
// Prefetch next iteration
- if (n_left >= 8)
- {
- vlib_buffer_t **pb = b + 4;
+ vlib_prefetch_buffer_header (b[4], LOAD);
+ vlib_prefetch_buffer_header (b[5], LOAD);
+ vlib_prefetch_buffer_header (b[6], LOAD);
+ vlib_prefetch_buffer_header (b[7], LOAD);
- 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_load (b[4]->data);
+ clib_prefetch_load (b[5]->data);
+ clib_prefetch_load (b[6]->data);
+ clib_prefetch_load (b[7]->data);
- clib_prefetch_load (pb[0]->data);
- clib_prefetch_load (pb[1]->data);
- clib_prefetch_load (pb[2]->data);
- clib_prefetch_load (pb[3]->data);
- }
-
- if (lb_alg == BOND_LB_L2)
- {
- h[0] = bond_lb_l2 (b[0]);
- h[1] = bond_lb_l2 (b[1]);
- h[2] = bond_lb_l2 (b[2]);
- h[3] = bond_lb_l2 (b[3]);
- }
- else if (lb_alg == BOND_LB_L34)
- {
- h[0] = bond_lb_l34 (b[0]);
- h[1] = bond_lb_l34 (b[1]);
- h[2] = bond_lb_l34 (b[2]);
- h[3] = bond_lb_l34 (b[3]);
- }
- else if (lb_alg == BOND_LB_L23)
- {
- h[0] = bond_lb_l23 (b[0]);
- h[1] = bond_lb_l23 (b[1]);
- h[2] = bond_lb_l23 (b[2]);
- h[3] = bond_lb_l23 (b[3]);
- }
- else if (lb_alg == BOND_LB_RR)
+ if (lb_alg == BOND_LB_RR)
{
h[0] = bond_lb_round_robin (bif, b[0], n_members);
h[1] = bond_lb_round_robin (bif, b[1], n_members);
while (n_left > 0)
{
- if (bif->lb == BOND_LB_L2)
- h[0] = bond_lb_l2 (b[0]);
- else if (bif->lb == BOND_LB_L34)
- h[0] = bond_lb_l34 (b[0]);
- else if (bif->lb == BOND_LB_L23)
- h[0] = bond_lb_l23 (b[0]);
- else if (bif->lb == BOND_LB_RR)
+ if (bif->lb == BOND_LB_RR)
h[0] = bond_lb_round_robin (bif, b[0], n_members);
else if (bif->lb == BOND_LB_BC)
h[0] = bond_lb_broadcast (vm, bif, b[0], n_members);
{
u32 mask = n_members - 1;
-#ifdef CLIB_HAVE_VEC256
- /* only lower 16 bits of hash due to single precision fp arithmetic */
- u32x8 mask8, sc8u, h8a, h8b;
- f32x8 sc8f;
-
- if (use_modulo_shortcut)
- {
- mask8 = u32x8_splat (mask);
- }
- else
- {
- mask8 = u32x8_splat (0xffff);
- sc8u = u32x8_splat (n_members);
- 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)
u32 sw_if_index = data[0];
u32 *h = data;
- while (n_left >= 4)
+ while (n_left >= 8)
{
// 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);
- }
+ vlib_prefetch_buffer_header (b[4], LOAD);
+ vlib_prefetch_buffer_header (b[5], LOAD);
+ vlib_prefetch_buffer_header (b[6], LOAD);
+ vlib_prefetch_buffer_header (b[7], LOAD);
if (PREDICT_FALSE (single_sw_if_index))
{
}
else
{
- u32 sw_if_index[4];
-
- sw_if_index[0] = *vec_elt_at_index (bif->active_members, h[0]);
- sw_if_index[1] = *vec_elt_at_index (bif->active_members, h[1]);
- sw_if_index[2] = *vec_elt_at_index (bif->active_members, h[2]);
- sw_if_index[3] = *vec_elt_at_index (bif->active_members, 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];
+ vnet_buffer (b[0])->sw_if_index[VLIB_TX] =
+ *vec_elt_at_index (bif->active_members, h[0]);
+ vnet_buffer (b[1])->sw_if_index[VLIB_TX] =
+ *vec_elt_at_index (bif->active_members, h[1]);
+ vnet_buffer (b[2])->sw_if_index[VLIB_TX] =
+ *vec_elt_at_index (bif->active_members, h[2]);
+ vnet_buffer (b[3])->sw_if_index[VLIB_TX] =
+ *vec_elt_at_index (bif->active_members, h[3]);
bond_tx_add_to_queue (ptd, h[0], bi[0]);
bond_tx_add_to_queue (ptd, h[1], bi[1]);
}
else
{
- u32 sw_if_index0 = *vec_elt_at_index (bif->active_members, h[0]);
-
- vnet_buffer (b[0])->sw_if_index[VLIB_TX] = sw_if_index0;
+ vnet_buffer (b[0])->sw_if_index[VLIB_TX] =
+ *vec_elt_at_index (bif->active_members, h[0]);
bond_tx_add_to_queue (ptd, h[0], bi[0]);
}
{
sw_if_index = *vec_elt_at_index (bif->active_members, 0);
- bond_tx_inline (vm, bif, bufs, hashes, n_left, n_members, BOND_LB_BC);
+ bond_tx_no_hash (vm, bif, bufs, hashes, n_left, n_members, 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);
if (bif->n_numa_members >= 1)
n_members = bif->n_numa_members;
- if (bif->lb == BOND_LB_L2)
- bond_tx_inline (vm, bif, bufs, hashes, n_left, n_members, BOND_LB_L2);
- else if (bif->lb == BOND_LB_L34)
- bond_tx_inline (vm, bif, bufs, hashes, n_left, n_members, BOND_LB_L34);
- else if (bif->lb == BOND_LB_L23)
- bond_tx_inline (vm, bif, bufs, hashes, n_left, n_members, BOND_LB_L23);
- else if (bif->lb == BOND_LB_RR)
- bond_tx_inline (vm, bif, bufs, hashes, n_left, n_members, BOND_LB_RR);
+ if (bif->lb == BOND_LB_RR)
+ bond_tx_no_hash (vm, bif, bufs, hashes, n_left, n_members, BOND_LB_RR);
else
- {
- 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, frame->n_vectors);
- vlib_error_count (vm, node->node_index, BOND_TX_ERROR_BAD_LB_MODE,
- frame->n_vectors);
- return frame->n_vectors;
- }
+ bond_tx_hash (vm, ptd, bif, bufs, hashes, n_left);
/* calculate port out of hash */
h = hashes;
Code Review / vpp.git / blobdiff