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Diffstat (limited to 'src/spdk/dpdk/examples/l3fwd/l3fwd_lpm.c')
-rw-r--r--src/spdk/dpdk/examples/l3fwd/l3fwd_lpm.c631
1 files changed, 631 insertions, 0 deletions
diff --git a/src/spdk/dpdk/examples/l3fwd/l3fwd_lpm.c b/src/spdk/dpdk/examples/l3fwd/l3fwd_lpm.c
new file mode 100644
index 000000000..91eb74272
--- /dev/null
+++ b/src/spdk/dpdk/examples/l3fwd/l3fwd_lpm.c
@@ -0,0 +1,631 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2016 Intel Corporation
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <inttypes.h>
+#include <sys/types.h>
+#include <string.h>
+#include <sys/queue.h>
+#include <stdarg.h>
+#include <errno.h>
+#include <getopt.h>
+#include <stdbool.h>
+#include <sys/socket.h>
+#include <arpa/inet.h>
+
+#include <rte_debug.h>
+#include <rte_ether.h>
+#include <rte_ethdev.h>
+#include <rte_cycles.h>
+#include <rte_mbuf.h>
+#include <rte_ip.h>
+#include <rte_tcp.h>
+#include <rte_udp.h>
+#include <rte_lpm.h>
+#include <rte_lpm6.h>
+
+#include "l3fwd.h"
+#include "l3fwd_event.h"
+
+struct ipv4_l3fwd_lpm_route {
+ uint32_t ip;
+ uint8_t depth;
+ uint8_t if_out;
+};
+
+struct ipv6_l3fwd_lpm_route {
+ uint8_t ip[16];
+ uint8_t depth;
+ uint8_t if_out;
+};
+
+/* 198.18.0.0/16 are set aside for RFC2544 benchmarking (RFC5735). */
+static const struct ipv4_l3fwd_lpm_route ipv4_l3fwd_lpm_route_array[] = {
+ {RTE_IPV4(198, 18, 0, 0), 24, 0},
+ {RTE_IPV4(198, 18, 1, 0), 24, 1},
+ {RTE_IPV4(198, 18, 2, 0), 24, 2},
+ {RTE_IPV4(198, 18, 3, 0), 24, 3},
+ {RTE_IPV4(198, 18, 4, 0), 24, 4},
+ {RTE_IPV4(198, 18, 5, 0), 24, 5},
+ {RTE_IPV4(198, 18, 6, 0), 24, 6},
+ {RTE_IPV4(198, 18, 7, 0), 24, 7},
+};
+
+/* 2001:0200::/48 is IANA reserved range for IPv6 benchmarking (RFC5180) */
+static const struct ipv6_l3fwd_lpm_route ipv6_l3fwd_lpm_route_array[] = {
+ {{32, 1, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 48, 0},
+ {{32, 1, 2, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0}, 48, 1},
+ {{32, 1, 2, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0}, 48, 2},
+ {{32, 1, 2, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0}, 48, 3},
+ {{32, 1, 2, 0, 0, 0, 0, 0, 0, 4, 0, 0, 0, 0, 0, 0}, 48, 4},
+ {{32, 1, 2, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0}, 48, 5},
+ {{32, 1, 2, 0, 0, 0, 0, 0, 0, 6, 0, 0, 0, 0, 0, 0}, 48, 6},
+ {{32, 1, 2, 0, 0, 0, 0, 0, 0, 7, 0, 0, 0, 0, 0, 0}, 48, 7},
+};
+
+#define IPV4_L3FWD_LPM_MAX_RULES 1024
+#define IPV4_L3FWD_LPM_NUMBER_TBL8S (1 << 8)
+#define IPV6_L3FWD_LPM_MAX_RULES 1024
+#define IPV6_L3FWD_LPM_NUMBER_TBL8S (1 << 16)
+
+static struct rte_lpm *ipv4_l3fwd_lpm_lookup_struct[NB_SOCKETS];
+static struct rte_lpm6 *ipv6_l3fwd_lpm_lookup_struct[NB_SOCKETS];
+
+static inline uint16_t
+lpm_get_ipv4_dst_port(const struct rte_ipv4_hdr *ipv4_hdr,
+ uint16_t portid,
+ struct rte_lpm *ipv4_l3fwd_lookup_struct)
+{
+ uint32_t dst_ip = rte_be_to_cpu_32(ipv4_hdr->dst_addr);
+ uint32_t next_hop;
+
+ if (rte_lpm_lookup(ipv4_l3fwd_lookup_struct, dst_ip, &next_hop) == 0)
+ return next_hop;
+ else
+ return portid;
+}
+
+static inline uint16_t
+lpm_get_ipv6_dst_port(const struct rte_ipv6_hdr *ipv6_hdr,
+ uint16_t portid,
+ struct rte_lpm6 *ipv6_l3fwd_lookup_struct)
+{
+ const uint8_t *dst_ip = ipv6_hdr->dst_addr;
+ uint32_t next_hop;
+
+ if (rte_lpm6_lookup(ipv6_l3fwd_lookup_struct, dst_ip, &next_hop) == 0)
+ return next_hop;
+ else
+ return portid;
+}
+
+static __rte_always_inline uint16_t
+lpm_get_dst_port(const struct lcore_conf *qconf, struct rte_mbuf *pkt,
+ uint16_t portid)
+{
+ struct rte_ipv6_hdr *ipv6_hdr;
+ struct rte_ipv4_hdr *ipv4_hdr;
+ struct rte_ether_hdr *eth_hdr;
+
+ if (RTE_ETH_IS_IPV4_HDR(pkt->packet_type)) {
+
+ eth_hdr = rte_pktmbuf_mtod(pkt, struct rte_ether_hdr *);
+ ipv4_hdr = (struct rte_ipv4_hdr *)(eth_hdr + 1);
+
+ return lpm_get_ipv4_dst_port(ipv4_hdr, portid,
+ qconf->ipv4_lookup_struct);
+ } else if (RTE_ETH_IS_IPV6_HDR(pkt->packet_type)) {
+
+ eth_hdr = rte_pktmbuf_mtod(pkt, struct rte_ether_hdr *);
+ ipv6_hdr = (struct rte_ipv6_hdr *)(eth_hdr + 1);
+
+ return lpm_get_ipv6_dst_port(ipv6_hdr, portid,
+ qconf->ipv6_lookup_struct);
+ }
+
+ return portid;
+}
+
+/*
+ * lpm_get_dst_port optimized routine for packets where dst_ipv4 is already
+ * precalculated. If packet is ipv6 dst_addr is taken directly from packet
+ * header and dst_ipv4 value is not used.
+ */
+static __rte_always_inline uint16_t
+lpm_get_dst_port_with_ipv4(const struct lcore_conf *qconf, struct rte_mbuf *pkt,
+ uint32_t dst_ipv4, uint16_t portid)
+{
+ uint32_t next_hop;
+ struct rte_ipv6_hdr *ipv6_hdr;
+ struct rte_ether_hdr *eth_hdr;
+
+ if (RTE_ETH_IS_IPV4_HDR(pkt->packet_type)) {
+ return (uint16_t) ((rte_lpm_lookup(qconf->ipv4_lookup_struct,
+ dst_ipv4, &next_hop) == 0)
+ ? next_hop : portid);
+
+ } else if (RTE_ETH_IS_IPV6_HDR(pkt->packet_type)) {
+
+ eth_hdr = rte_pktmbuf_mtod(pkt, struct rte_ether_hdr *);
+ ipv6_hdr = (struct rte_ipv6_hdr *)(eth_hdr + 1);
+
+ return (uint16_t) ((rte_lpm6_lookup(qconf->ipv6_lookup_struct,
+ ipv6_hdr->dst_addr, &next_hop) == 0)
+ ? next_hop : portid);
+
+ }
+
+ return portid;
+}
+
+#if defined(RTE_ARCH_X86)
+#include "l3fwd_lpm_sse.h"
+#elif defined RTE_MACHINE_CPUFLAG_NEON
+#include "l3fwd_lpm_neon.h"
+#elif defined(RTE_ARCH_PPC_64)
+#include "l3fwd_lpm_altivec.h"
+#else
+#include "l3fwd_lpm.h"
+#endif
+
+/* main processing loop */
+int
+lpm_main_loop(__rte_unused void *dummy)
+{
+ struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
+ unsigned lcore_id;
+ uint64_t prev_tsc, diff_tsc, cur_tsc;
+ int i, nb_rx;
+ uint16_t portid;
+ uint8_t queueid;
+ struct lcore_conf *qconf;
+ const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
+ US_PER_S * BURST_TX_DRAIN_US;
+
+ prev_tsc = 0;
+
+ lcore_id = rte_lcore_id();
+ qconf = &lcore_conf[lcore_id];
+
+ if (qconf->n_rx_queue == 0) {
+ RTE_LOG(INFO, L3FWD, "lcore %u has nothing to do\n", lcore_id);
+ return 0;
+ }
+
+ RTE_LOG(INFO, L3FWD, "entering main loop on lcore %u\n", lcore_id);
+
+ for (i = 0; i < qconf->n_rx_queue; i++) {
+
+ portid = qconf->rx_queue_list[i].port_id;
+ queueid = qconf->rx_queue_list[i].queue_id;
+ RTE_LOG(INFO, L3FWD,
+ " -- lcoreid=%u portid=%u rxqueueid=%hhu\n",
+ lcore_id, portid, queueid);
+ }
+
+ while (!force_quit) {
+
+ cur_tsc = rte_rdtsc();
+
+ /*
+ * TX burst queue drain
+ */
+ diff_tsc = cur_tsc - prev_tsc;
+ if (unlikely(diff_tsc > drain_tsc)) {
+
+ for (i = 0; i < qconf->n_tx_port; ++i) {
+ portid = qconf->tx_port_id[i];
+ if (qconf->tx_mbufs[portid].len == 0)
+ continue;
+ send_burst(qconf,
+ qconf->tx_mbufs[portid].len,
+ portid);
+ qconf->tx_mbufs[portid].len = 0;
+ }
+
+ prev_tsc = cur_tsc;
+ }
+
+ /*
+ * Read packet from RX queues
+ */
+ for (i = 0; i < qconf->n_rx_queue; ++i) {
+ portid = qconf->rx_queue_list[i].port_id;
+ queueid = qconf->rx_queue_list[i].queue_id;
+ nb_rx = rte_eth_rx_burst(portid, queueid, pkts_burst,
+ MAX_PKT_BURST);
+ if (nb_rx == 0)
+ continue;
+
+#if defined RTE_ARCH_X86 || defined RTE_MACHINE_CPUFLAG_NEON \
+ || defined RTE_ARCH_PPC_64
+ l3fwd_lpm_send_packets(nb_rx, pkts_burst,
+ portid, qconf);
+#else
+ l3fwd_lpm_no_opt_send_packets(nb_rx, pkts_burst,
+ portid, qconf);
+#endif /* X86 */
+ }
+ }
+
+ return 0;
+}
+
+static __rte_always_inline uint16_t
+lpm_process_event_pkt(const struct lcore_conf *lconf, struct rte_mbuf *mbuf)
+{
+ mbuf->port = lpm_get_dst_port(lconf, mbuf, mbuf->port);
+
+#if defined RTE_ARCH_X86 || defined RTE_MACHINE_CPUFLAG_NEON \
+ || defined RTE_ARCH_PPC_64
+ process_packet(mbuf, &mbuf->port);
+#else
+
+ struct rte_ether_hdr *eth_hdr = rte_pktmbuf_mtod(mbuf,
+ struct rte_ether_hdr *);
+#ifdef DO_RFC_1812_CHECKS
+ struct rte_ipv4_hdr *ipv4_hdr;
+ if (RTE_ETH_IS_IPV4_HDR(mbuf->packet_type)) {
+ /* Handle IPv4 headers.*/
+ ipv4_hdr = rte_pktmbuf_mtod_offset(mbuf,
+ struct rte_ipv4_hdr *,
+ sizeof(struct rte_ether_hdr));
+
+ if (is_valid_ipv4_pkt(ipv4_hdr, mbuf->pkt_len)
+ < 0) {
+ mbuf->port = BAD_PORT;
+ continue;
+ }
+ /* Update time to live and header checksum */
+ --(ipv4_hdr->time_to_live);
+ ++(ipv4_hdr->hdr_checksum);
+ }
+#endif
+ /* dst addr */
+ *(uint64_t *)&eth_hdr->d_addr = dest_eth_addr[mbuf->port];
+
+ /* src addr */
+ rte_ether_addr_copy(&ports_eth_addr[mbuf->port],
+ &eth_hdr->s_addr);
+#endif
+ return mbuf->port;
+}
+
+static __rte_always_inline void
+lpm_event_loop_single(struct l3fwd_event_resources *evt_rsrc,
+ const uint8_t flags)
+{
+ const int event_p_id = l3fwd_get_free_event_port(evt_rsrc);
+ const uint8_t tx_q_id = evt_rsrc->evq.event_q_id[
+ evt_rsrc->evq.nb_queues - 1];
+ const uint8_t event_d_id = evt_rsrc->event_d_id;
+ struct lcore_conf *lconf;
+ unsigned int lcore_id;
+ struct rte_event ev;
+
+ if (event_p_id < 0)
+ return;
+
+ lcore_id = rte_lcore_id();
+ lconf = &lcore_conf[lcore_id];
+
+ RTE_LOG(INFO, L3FWD, "entering %s on lcore %u\n", __func__, lcore_id);
+ while (!force_quit) {
+ if (!rte_event_dequeue_burst(event_d_id, event_p_id, &ev, 1, 0))
+ continue;
+
+ if (lpm_process_event_pkt(lconf, ev.mbuf) == BAD_PORT) {
+ rte_pktmbuf_free(ev.mbuf);
+ continue;
+ }
+
+ if (flags & L3FWD_EVENT_TX_ENQ) {
+ ev.queue_id = tx_q_id;
+ ev.op = RTE_EVENT_OP_FORWARD;
+ while (rte_event_enqueue_burst(event_d_id, event_p_id,
+ &ev, 1) && !force_quit)
+ ;
+ }
+
+ if (flags & L3FWD_EVENT_TX_DIRECT) {
+ rte_event_eth_tx_adapter_txq_set(ev.mbuf, 0);
+ while (!rte_event_eth_tx_adapter_enqueue(event_d_id,
+ event_p_id, &ev, 1, 0) &&
+ !force_quit)
+ ;
+ }
+ }
+}
+
+static __rte_always_inline void
+lpm_event_loop_burst(struct l3fwd_event_resources *evt_rsrc,
+ const uint8_t flags)
+{
+ const int event_p_id = l3fwd_get_free_event_port(evt_rsrc);
+ const uint8_t tx_q_id = evt_rsrc->evq.event_q_id[
+ evt_rsrc->evq.nb_queues - 1];
+ const uint8_t event_d_id = evt_rsrc->event_d_id;
+ const uint16_t deq_len = evt_rsrc->deq_depth;
+ struct rte_event events[MAX_PKT_BURST];
+ struct lcore_conf *lconf;
+ unsigned int lcore_id;
+ int i, nb_enq, nb_deq;
+
+ if (event_p_id < 0)
+ return;
+
+ lcore_id = rte_lcore_id();
+
+ lconf = &lcore_conf[lcore_id];
+
+ RTE_LOG(INFO, L3FWD, "entering %s on lcore %u\n", __func__, lcore_id);
+
+ while (!force_quit) {
+ /* Read events from RX queues */
+ nb_deq = rte_event_dequeue_burst(event_d_id, event_p_id,
+ events, deq_len, 0);
+ if (nb_deq == 0) {
+ rte_pause();
+ continue;
+ }
+
+ for (i = 0; i < nb_deq; i++) {
+ if (flags & L3FWD_EVENT_TX_ENQ) {
+ events[i].queue_id = tx_q_id;
+ events[i].op = RTE_EVENT_OP_FORWARD;
+ }
+
+ if (flags & L3FWD_EVENT_TX_DIRECT)
+ rte_event_eth_tx_adapter_txq_set(events[i].mbuf,
+ 0);
+
+ lpm_process_event_pkt(lconf, events[i].mbuf);
+ }
+
+ if (flags & L3FWD_EVENT_TX_ENQ) {
+ nb_enq = rte_event_enqueue_burst(event_d_id, event_p_id,
+ events, nb_deq);
+ while (nb_enq < nb_deq && !force_quit)
+ nb_enq += rte_event_enqueue_burst(event_d_id,
+ event_p_id, events + nb_enq,
+ nb_deq - nb_enq);
+ }
+
+ if (flags & L3FWD_EVENT_TX_DIRECT) {
+ nb_enq = rte_event_eth_tx_adapter_enqueue(event_d_id,
+ event_p_id, events, nb_deq, 0);
+ while (nb_enq < nb_deq && !force_quit)
+ nb_enq += rte_event_eth_tx_adapter_enqueue(
+ event_d_id, event_p_id,
+ events + nb_enq,
+ nb_deq - nb_enq, 0);
+ }
+ }
+}
+
+static __rte_always_inline void
+lpm_event_loop(struct l3fwd_event_resources *evt_rsrc,
+ const uint8_t flags)
+{
+ if (flags & L3FWD_EVENT_SINGLE)
+ lpm_event_loop_single(evt_rsrc, flags);
+ if (flags & L3FWD_EVENT_BURST)
+ lpm_event_loop_burst(evt_rsrc, flags);
+}
+
+int __rte_noinline
+lpm_event_main_loop_tx_d(__rte_unused void *dummy)
+{
+ struct l3fwd_event_resources *evt_rsrc =
+ l3fwd_get_eventdev_rsrc();
+
+ lpm_event_loop(evt_rsrc, L3FWD_EVENT_TX_DIRECT | L3FWD_EVENT_SINGLE);
+ return 0;
+}
+
+int __rte_noinline
+lpm_event_main_loop_tx_d_burst(__rte_unused void *dummy)
+{
+ struct l3fwd_event_resources *evt_rsrc =
+ l3fwd_get_eventdev_rsrc();
+
+ lpm_event_loop(evt_rsrc, L3FWD_EVENT_TX_DIRECT | L3FWD_EVENT_BURST);
+ return 0;
+}
+
+int __rte_noinline
+lpm_event_main_loop_tx_q(__rte_unused void *dummy)
+{
+ struct l3fwd_event_resources *evt_rsrc =
+ l3fwd_get_eventdev_rsrc();
+
+ lpm_event_loop(evt_rsrc, L3FWD_EVENT_TX_ENQ | L3FWD_EVENT_SINGLE);
+ return 0;
+}
+
+int __rte_noinline
+lpm_event_main_loop_tx_q_burst(__rte_unused void *dummy)
+{
+ struct l3fwd_event_resources *evt_rsrc =
+ l3fwd_get_eventdev_rsrc();
+
+ lpm_event_loop(evt_rsrc, L3FWD_EVENT_TX_ENQ | L3FWD_EVENT_BURST);
+ return 0;
+}
+
+void
+setup_lpm(const int socketid)
+{
+ struct rte_lpm6_config config;
+ struct rte_lpm_config config_ipv4;
+ unsigned i;
+ int ret;
+ char s[64];
+ char abuf[INET6_ADDRSTRLEN];
+
+ /* create the LPM table */
+ config_ipv4.max_rules = IPV4_L3FWD_LPM_MAX_RULES;
+ config_ipv4.number_tbl8s = IPV4_L3FWD_LPM_NUMBER_TBL8S;
+ config_ipv4.flags = 0;
+ snprintf(s, sizeof(s), "IPV4_L3FWD_LPM_%d", socketid);
+ ipv4_l3fwd_lpm_lookup_struct[socketid] =
+ rte_lpm_create(s, socketid, &config_ipv4);
+ if (ipv4_l3fwd_lpm_lookup_struct[socketid] == NULL)
+ rte_exit(EXIT_FAILURE,
+ "Unable to create the l3fwd LPM table on socket %d\n",
+ socketid);
+
+ /* populate the LPM table */
+ for (i = 0; i < RTE_DIM(ipv4_l3fwd_lpm_route_array); i++) {
+ struct in_addr in;
+
+ /* skip unused ports */
+ if ((1 << ipv4_l3fwd_lpm_route_array[i].if_out &
+ enabled_port_mask) == 0)
+ continue;
+
+ ret = rte_lpm_add(ipv4_l3fwd_lpm_lookup_struct[socketid],
+ ipv4_l3fwd_lpm_route_array[i].ip,
+ ipv4_l3fwd_lpm_route_array[i].depth,
+ ipv4_l3fwd_lpm_route_array[i].if_out);
+
+ if (ret < 0) {
+ rte_exit(EXIT_FAILURE,
+ "Unable to add entry %u to the l3fwd LPM table on socket %d\n",
+ i, socketid);
+ }
+
+ in.s_addr = htonl(ipv4_l3fwd_lpm_route_array[i].ip);
+ printf("LPM: Adding route %s / %d (%d)\n",
+ inet_ntop(AF_INET, &in, abuf, sizeof(abuf)),
+ ipv4_l3fwd_lpm_route_array[i].depth,
+ ipv4_l3fwd_lpm_route_array[i].if_out);
+ }
+
+ /* create the LPM6 table */
+ snprintf(s, sizeof(s), "IPV6_L3FWD_LPM_%d", socketid);
+
+ config.max_rules = IPV6_L3FWD_LPM_MAX_RULES;
+ config.number_tbl8s = IPV6_L3FWD_LPM_NUMBER_TBL8S;
+ config.flags = 0;
+ ipv6_l3fwd_lpm_lookup_struct[socketid] = rte_lpm6_create(s, socketid,
+ &config);
+ if (ipv6_l3fwd_lpm_lookup_struct[socketid] == NULL)
+ rte_exit(EXIT_FAILURE,
+ "Unable to create the l3fwd LPM table on socket %d\n",
+ socketid);
+
+ /* populate the LPM table */
+ for (i = 0; i < RTE_DIM(ipv6_l3fwd_lpm_route_array); i++) {
+
+ /* skip unused ports */
+ if ((1 << ipv6_l3fwd_lpm_route_array[i].if_out &
+ enabled_port_mask) == 0)
+ continue;
+
+ ret = rte_lpm6_add(ipv6_l3fwd_lpm_lookup_struct[socketid],
+ ipv6_l3fwd_lpm_route_array[i].ip,
+ ipv6_l3fwd_lpm_route_array[i].depth,
+ ipv6_l3fwd_lpm_route_array[i].if_out);
+
+ if (ret < 0) {
+ rte_exit(EXIT_FAILURE,
+ "Unable to add entry %u to the l3fwd LPM table on socket %d\n",
+ i, socketid);
+ }
+
+ printf("LPM: Adding route %s / %d (%d)\n",
+ inet_ntop(AF_INET6, ipv6_l3fwd_lpm_route_array[i].ip,
+ abuf, sizeof(abuf)),
+ ipv6_l3fwd_lpm_route_array[i].depth,
+ ipv6_l3fwd_lpm_route_array[i].if_out);
+ }
+}
+
+int
+lpm_check_ptype(int portid)
+{
+ int i, ret;
+ int ptype_l3_ipv4 = 0, ptype_l3_ipv6 = 0;
+ uint32_t ptype_mask = RTE_PTYPE_L3_MASK;
+
+ ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, NULL, 0);
+ if (ret <= 0)
+ return 0;
+
+ uint32_t ptypes[ret];
+
+ ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, ptypes, ret);
+ for (i = 0; i < ret; ++i) {
+ if (ptypes[i] & RTE_PTYPE_L3_IPV4)
+ ptype_l3_ipv4 = 1;
+ if (ptypes[i] & RTE_PTYPE_L3_IPV6)
+ ptype_l3_ipv6 = 1;
+ }
+
+ if (ptype_l3_ipv4 == 0)
+ printf("port %d cannot parse RTE_PTYPE_L3_IPV4\n", portid);
+
+ if (ptype_l3_ipv6 == 0)
+ printf("port %d cannot parse RTE_PTYPE_L3_IPV6\n", portid);
+
+ if (ptype_l3_ipv4 && ptype_l3_ipv6)
+ return 1;
+
+ return 0;
+
+}
+
+static inline void
+lpm_parse_ptype(struct rte_mbuf *m)
+{
+ struct rte_ether_hdr *eth_hdr;
+ uint32_t packet_type = RTE_PTYPE_UNKNOWN;
+ uint16_t ether_type;
+
+ eth_hdr = rte_pktmbuf_mtod(m, struct rte_ether_hdr *);
+ ether_type = eth_hdr->ether_type;
+ if (ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV4))
+ packet_type |= RTE_PTYPE_L3_IPV4_EXT_UNKNOWN;
+ else if (ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV6))
+ packet_type |= RTE_PTYPE_L3_IPV6_EXT_UNKNOWN;
+
+ m->packet_type = packet_type;
+}
+
+uint16_t
+lpm_cb_parse_ptype(uint16_t port __rte_unused, uint16_t queue __rte_unused,
+ struct rte_mbuf *pkts[], uint16_t nb_pkts,
+ uint16_t max_pkts __rte_unused,
+ void *user_param __rte_unused)
+{
+ unsigned int i;
+
+ if (unlikely(nb_pkts == 0))
+ return nb_pkts;
+ rte_prefetch0(rte_pktmbuf_mtod(pkts[0], struct ether_hdr *));
+ for (i = 0; i < (unsigned int) (nb_pkts - 1); ++i) {
+ rte_prefetch0(rte_pktmbuf_mtod(pkts[i+1],
+ struct ether_hdr *));
+ lpm_parse_ptype(pkts[i]);
+ }
+ lpm_parse_ptype(pkts[i]);
+
+ return nb_pkts;
+}
+
+/* Return ipv4/ipv6 lpm fwd lookup struct. */
+void *
+lpm_get_ipv4_l3fwd_lookup_struct(const int socketid)
+{
+ return ipv4_l3fwd_lpm_lookup_struct[socketid];
+}
+
+void *
+lpm_get_ipv6_l3fwd_lookup_struct(const int socketid)
+{
+ return ipv6_l3fwd_lpm_lookup_struct[socketid];
+}
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-15 11:52:50 +0000