numam-dpdk/examples/l3fwd/l3fwd_em_hlm_sse.h
Thomas Monjalon 656ecbe93c hash: remove aliases for bulk lookup
The function rte_hash_lookup_multi() was renamed rte_hash_lookup_bulk()
in DPDK 1.4 and was kept as an undocumented alias.

Signed-off-by: Thomas Monjalon <thomas.monjalon@6wind.com>
2016-04-20 13:49:36 +02:00

343 lines
11 KiB
C

/*-
* BSD LICENSE
*
* Copyright(c) 2016 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __L3FWD_EM_HLM_SSE_H__
#define __L3FWD_EM_HLM_SSE_H__
#include "l3fwd_sse.h"
static inline __attribute__((always_inline)) void
em_get_dst_port_ipv4x8(struct lcore_conf *qconf, struct rte_mbuf *m[8],
uint8_t portid, uint16_t dst_port[8])
{
int32_t ret[8];
union ipv4_5tuple_host key[8];
__m128i data[8];
data[0] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[0], __m128i *,
sizeof(struct ether_hdr) +
offsetof(struct ipv4_hdr, time_to_live)));
data[1] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[1], __m128i *,
sizeof(struct ether_hdr) +
offsetof(struct ipv4_hdr, time_to_live)));
data[2] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[2], __m128i *,
sizeof(struct ether_hdr) +
offsetof(struct ipv4_hdr, time_to_live)));
data[3] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[3], __m128i *,
sizeof(struct ether_hdr) +
offsetof(struct ipv4_hdr, time_to_live)));
data[4] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[4], __m128i *,
sizeof(struct ether_hdr) +
offsetof(struct ipv4_hdr, time_to_live)));
data[5] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[5], __m128i *,
sizeof(struct ether_hdr) +
offsetof(struct ipv4_hdr, time_to_live)));
data[6] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[6], __m128i *,
sizeof(struct ether_hdr) +
offsetof(struct ipv4_hdr, time_to_live)));
data[7] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[7], __m128i *,
sizeof(struct ether_hdr) +
offsetof(struct ipv4_hdr, time_to_live)));
key[0].xmm = _mm_and_si128(data[0], mask0.x);
key[1].xmm = _mm_and_si128(data[1], mask0.x);
key[2].xmm = _mm_and_si128(data[2], mask0.x);
key[3].xmm = _mm_and_si128(data[3], mask0.x);
key[4].xmm = _mm_and_si128(data[4], mask0.x);
key[5].xmm = _mm_and_si128(data[5], mask0.x);
key[6].xmm = _mm_and_si128(data[6], mask0.x);
key[7].xmm = _mm_and_si128(data[7], mask0.x);
const void *key_array[8] = {&key[0], &key[1], &key[2], &key[3],
&key[4], &key[5], &key[6], &key[7]};
rte_hash_lookup_bulk(qconf->ipv4_lookup_struct, &key_array[0], 8, ret);
dst_port[0] = (uint8_t) ((ret[0] < 0) ?
portid : ipv4_l3fwd_out_if[ret[0]]);
dst_port[1] = (uint8_t) ((ret[1] < 0) ?
portid : ipv4_l3fwd_out_if[ret[1]]);
dst_port[2] = (uint8_t) ((ret[2] < 0) ?
portid : ipv4_l3fwd_out_if[ret[2]]);
dst_port[3] = (uint8_t) ((ret[3] < 0) ?
portid : ipv4_l3fwd_out_if[ret[3]]);
dst_port[4] = (uint8_t) ((ret[4] < 0) ?
portid : ipv4_l3fwd_out_if[ret[4]]);
dst_port[5] = (uint8_t) ((ret[5] < 0) ?
portid : ipv4_l3fwd_out_if[ret[5]]);
dst_port[6] = (uint8_t) ((ret[6] < 0) ?
portid : ipv4_l3fwd_out_if[ret[6]]);
dst_port[7] = (uint8_t) ((ret[7] < 0) ?
portid : ipv4_l3fwd_out_if[ret[7]]);
if (dst_port[0] >= RTE_MAX_ETHPORTS ||
(enabled_port_mask & 1 << dst_port[0]) == 0)
dst_port[0] = portid;
if (dst_port[1] >= RTE_MAX_ETHPORTS ||
(enabled_port_mask & 1 << dst_port[1]) == 0)
dst_port[1] = portid;
if (dst_port[2] >= RTE_MAX_ETHPORTS ||
(enabled_port_mask & 1 << dst_port[2]) == 0)
dst_port[2] = portid;
if (dst_port[3] >= RTE_MAX_ETHPORTS ||
(enabled_port_mask & 1 << dst_port[3]) == 0)
dst_port[3] = portid;
if (dst_port[4] >= RTE_MAX_ETHPORTS ||
(enabled_port_mask & 1 << dst_port[4]) == 0)
dst_port[4] = portid;
if (dst_port[5] >= RTE_MAX_ETHPORTS ||
(enabled_port_mask & 1 << dst_port[5]) == 0)
dst_port[5] = portid;
if (dst_port[6] >= RTE_MAX_ETHPORTS ||
(enabled_port_mask & 1 << dst_port[6]) == 0)
dst_port[6] = portid;
if (dst_port[7] >= RTE_MAX_ETHPORTS ||
(enabled_port_mask & 1 << dst_port[7]) == 0)
dst_port[7] = portid;
}
static inline void
get_ipv6_5tuple(struct rte_mbuf *m0, __m128i mask0,
__m128i mask1, union ipv6_5tuple_host *key)
{
__m128i tmpdata0 = _mm_loadu_si128(
rte_pktmbuf_mtod_offset(m0, __m128i *,
sizeof(struct ether_hdr) +
offsetof(struct ipv6_hdr, payload_len)));
__m128i tmpdata1 = _mm_loadu_si128(
rte_pktmbuf_mtod_offset(m0, __m128i *,
sizeof(struct ether_hdr) +
offsetof(struct ipv6_hdr, payload_len) +
sizeof(__m128i)));
__m128i tmpdata2 = _mm_loadu_si128(
rte_pktmbuf_mtod_offset(m0, __m128i *,
sizeof(struct ether_hdr) +
offsetof(struct ipv6_hdr, payload_len) +
sizeof(__m128i) + sizeof(__m128i)));
key->xmm[0] = _mm_and_si128(tmpdata0, mask0);
key->xmm[1] = tmpdata1;
key->xmm[2] = _mm_and_si128(tmpdata2, mask1);
}
static inline __attribute__((always_inline)) void
em_get_dst_port_ipv6x8(struct lcore_conf *qconf, struct rte_mbuf *m[8],
uint8_t portid, uint16_t dst_port[8])
{
int32_t ret[8];
union ipv6_5tuple_host key[8];
get_ipv6_5tuple(m[0], mask1.x, mask2.x, &key[0]);
get_ipv6_5tuple(m[1], mask1.x, mask2.x, &key[1]);
get_ipv6_5tuple(m[2], mask1.x, mask2.x, &key[2]);
get_ipv6_5tuple(m[3], mask1.x, mask2.x, &key[3]);
get_ipv6_5tuple(m[4], mask1.x, mask2.x, &key[4]);
get_ipv6_5tuple(m[5], mask1.x, mask2.x, &key[5]);
get_ipv6_5tuple(m[6], mask1.x, mask2.x, &key[6]);
get_ipv6_5tuple(m[7], mask1.x, mask2.x, &key[7]);
const void *key_array[8] = {&key[0], &key[1], &key[2], &key[3],
&key[4], &key[5], &key[6], &key[7]};
rte_hash_lookup_bulk(qconf->ipv6_lookup_struct, &key_array[0], 8, ret);
dst_port[0] = (uint8_t) ((ret[0] < 0) ?
portid : ipv6_l3fwd_out_if[ret[0]]);
dst_port[1] = (uint8_t) ((ret[1] < 0) ?
portid : ipv6_l3fwd_out_if[ret[1]]);
dst_port[2] = (uint8_t) ((ret[2] < 0) ?
portid : ipv6_l3fwd_out_if[ret[2]]);
dst_port[3] = (uint8_t) ((ret[3] < 0) ?
portid : ipv6_l3fwd_out_if[ret[3]]);
dst_port[4] = (uint8_t) ((ret[4] < 0) ?
portid : ipv6_l3fwd_out_if[ret[4]]);
dst_port[5] = (uint8_t) ((ret[5] < 0) ?
portid : ipv6_l3fwd_out_if[ret[5]]);
dst_port[6] = (uint8_t) ((ret[6] < 0) ?
portid : ipv6_l3fwd_out_if[ret[6]]);
dst_port[7] = (uint8_t) ((ret[7] < 0) ?
portid : ipv6_l3fwd_out_if[ret[7]]);
if (dst_port[0] >= RTE_MAX_ETHPORTS ||
(enabled_port_mask & 1 << dst_port[0]) == 0)
dst_port[0] = portid;
if (dst_port[1] >= RTE_MAX_ETHPORTS ||
(enabled_port_mask & 1 << dst_port[1]) == 0)
dst_port[1] = portid;
if (dst_port[2] >= RTE_MAX_ETHPORTS ||
(enabled_port_mask & 1 << dst_port[2]) == 0)
dst_port[2] = portid;
if (dst_port[3] >= RTE_MAX_ETHPORTS ||
(enabled_port_mask & 1 << dst_port[3]) == 0)
dst_port[3] = portid;
if (dst_port[4] >= RTE_MAX_ETHPORTS ||
(enabled_port_mask & 1 << dst_port[4]) == 0)
dst_port[4] = portid;
if (dst_port[5] >= RTE_MAX_ETHPORTS ||
(enabled_port_mask & 1 << dst_port[5]) == 0)
dst_port[5] = portid;
if (dst_port[6] >= RTE_MAX_ETHPORTS ||
(enabled_port_mask & 1 << dst_port[6]) == 0)
dst_port[6] = portid;
if (dst_port[7] >= RTE_MAX_ETHPORTS ||
(enabled_port_mask & 1 << dst_port[7]) == 0)
dst_port[7] = portid;
}
static inline __attribute__((always_inline)) uint16_t
em_get_dst_port(const struct lcore_conf *qconf, struct rte_mbuf *pkt,
uint8_t portid)
{
uint8_t next_hop;
struct ipv4_hdr *ipv4_hdr;
struct ipv6_hdr *ipv6_hdr;
uint32_t tcp_or_udp;
uint32_t l3_ptypes;
tcp_or_udp = pkt->packet_type & (RTE_PTYPE_L4_TCP | RTE_PTYPE_L4_UDP);
l3_ptypes = pkt->packet_type & RTE_PTYPE_L3_MASK;
if (tcp_or_udp && (l3_ptypes == RTE_PTYPE_L3_IPV4)) {
/* Handle IPv4 headers.*/
ipv4_hdr = rte_pktmbuf_mtod_offset(pkt, struct ipv4_hdr *,
sizeof(struct ether_hdr));
next_hop = em_get_ipv4_dst_port(ipv4_hdr, portid,
qconf->ipv4_lookup_struct);
if (next_hop >= RTE_MAX_ETHPORTS ||
(enabled_port_mask & 1 << next_hop) == 0)
next_hop = portid;
return next_hop;
} else if (tcp_or_udp && (l3_ptypes == RTE_PTYPE_L3_IPV6)) {
/* Handle IPv6 headers.*/
ipv6_hdr = rte_pktmbuf_mtod_offset(pkt, struct ipv6_hdr *,
sizeof(struct ether_hdr));
next_hop = em_get_ipv6_dst_port(ipv6_hdr, portid,
qconf->ipv6_lookup_struct);
if (next_hop >= RTE_MAX_ETHPORTS ||
(enabled_port_mask & 1 << next_hop) == 0)
next_hop = portid;
return next_hop;
}
return portid;
}
/*
* Buffer optimized handling of packets, invoked
* from main_loop.
*/
static inline void
l3fwd_em_send_packets(int nb_rx, struct rte_mbuf **pkts_burst,
uint8_t portid, struct lcore_conf *qconf)
{
int32_t j;
uint16_t dst_port[MAX_PKT_BURST];
/*
* Send nb_rx - nb_rx%8 packets
* in groups of 8.
*/
int32_t n = RTE_ALIGN_FLOOR(nb_rx, 8);
for (j = 0; j < n; j += 8) {
uint32_t pkt_type =
pkts_burst[j]->packet_type &
pkts_burst[j+1]->packet_type &
pkts_burst[j+2]->packet_type &
pkts_burst[j+3]->packet_type &
pkts_burst[j+4]->packet_type &
pkts_burst[j+5]->packet_type &
pkts_burst[j+6]->packet_type &
pkts_burst[j+7]->packet_type;
uint32_t l3_type = pkt_type & RTE_PTYPE_L3_MASK;
uint32_t tcp_or_udp = pkt_type &
(RTE_PTYPE_L4_TCP | RTE_PTYPE_L4_UDP);
if (tcp_or_udp && (l3_type == RTE_PTYPE_L3_IPV4)) {
em_get_dst_port_ipv4x8(qconf, &pkts_burst[j], portid, &dst_port[j]);
} else if (tcp_or_udp && (l3_type == RTE_PTYPE_L3_IPV6)) {
em_get_dst_port_ipv6x8(qconf, &pkts_burst[j], portid, &dst_port[j]);
} else {
dst_port[j] = em_get_dst_port(qconf, pkts_burst[j], portid);
dst_port[j+1] = em_get_dst_port(qconf, pkts_burst[j+1], portid);
dst_port[j+2] = em_get_dst_port(qconf, pkts_burst[j+2], portid);
dst_port[j+3] = em_get_dst_port(qconf, pkts_burst[j+3], portid);
dst_port[j+4] = em_get_dst_port(qconf, pkts_burst[j+4], portid);
dst_port[j+5] = em_get_dst_port(qconf, pkts_burst[j+5], portid);
dst_port[j+6] = em_get_dst_port(qconf, pkts_burst[j+6], portid);
dst_port[j+7] = em_get_dst_port(qconf, pkts_burst[j+7], portid);
}
}
for (; j < nb_rx; j++)
dst_port[j] = em_get_dst_port(qconf, pkts_burst[j], portid);
send_packets_multi(qconf, pkts_burst, dst_port, nb_rx);
}
#endif /* __L3FWD_EM_SSE_HLM_H__ */