Signed-off-by: Robbie King <robk...@cisco.com>
---
example/ipsec/odp_ipsec.c | 1444 +++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 1444 insertions(+), 0 deletions(-)
create mode 100644 example/ipsec/odp_ipsec.c
diff --git a/example/ipsec/odp_ipsec.c b/example/ipsec/odp_ipsec.c
new file mode 100644
index 0000000..4281c8a
--- /dev/null
+++ b/example/ipsec/odp_ipsec.c
@@ -0,0 +1,1444 @@
+/* Copyright (c) 2013, Linaro Limited
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/**
+ * @file
+ *
+ * @example odp_example_ipsec.c ODP basic packet IO cross connect with IPsec
test application
+ */
+
+#include <stdlib.h>
+#include <string.h>
+#include <getopt.h>
+#include <unistd.h>
+
+#include <odp.h>
+#include <odp_align.h>
+#include <odp_crypto.h>
+#include <helper/odp_linux.h>
+#include <helper/odp_packet_helper.h>
+#include <helper/odp_eth.h>
+#include <helper/odp_ip.h>
+#include <helper/odp_icmp.h>
+#include <helper/odp_ipsec.h>
+
+#include <stdbool.h>
+#include <sys/socket.h>
+#include <net/if.h>
+#include <sys/ioctl.h>
+
+#include <sys/socket.h>
+#include <netpacket/packet.h>
+#include <net/ethernet.h>
+#include <arpa/inet.h>
+
+#include <odp_ipsec_misc.h>
+#include <odp_ipsec_sa_db.h>
+#include <odp_ipsec_sp_db.h>
+#include <odp_ipsec_fwd_db.h>
+#include <odp_ipsec_loop_db.h>
+#include <odp_ipsec_cache.h>
+#include <odp_ipsec_stream.h>
+
+#define MAX_WORKERS 32 /**< maximum number of worker threads */
+
+#define USE_MAC_ADDR_HACK 1 /**< use socket I/O workaround */
+
+/**
+ * Parsed command line application arguments
+ */
+typedef struct {
+ int core_count;
+ int if_count; /**< Number of interfaces to be used */
+ char **if_names; /**< Array of pointers to interface names */
+ int type; /**< Packet IO type */
+ int fanout; /**< Packet IO fanout */
+ crypto_api_mode_e mode; /**< Crypto API preferred mode */
+ odp_buffer_pool_t pool; /**< Buffer pool for packet IO */
+} appl_args_t;
+
+/**
+ * Thread specific arguments (currently none, leave as placeholder)
+ */
+typedef struct {
+} thread_args_t;
+
+/**
+ * Grouping of both parsed CL args and thread specific args - alloc together
+ */
+typedef struct {
+ /** Application (parsed) arguments */
+ appl_args_t appl;
+ /** Thread specific arguments */
+ thread_args_t thread[MAX_WORKERS];
+} args_t;
+
+/* helper funcs */
+static void parse_args(int argc, char *argv[], appl_args_t *appl_args);
+static void print_info(char *progname, appl_args_t *appl_args);
+static void usage(char *progname);
+
+/** Global pointer to args */
+static args_t *args;
+
+/**
+ * Buffer pool for packet IO
+ */
+#define SHM_PKT_POOL_BUF_COUNT 1024
+#define SHM_PKT_POOL_BUF_SIZE 4096
+#define SHM_PKT_POOL_SIZE (SHM_PKT_POOL_BUF_COUNT * SHM_PKT_POOL_BUF_SIZE)
+
+static odp_buffer_pool_t pkt_pool = ODP_BUFFER_POOL_INVALID;
+
+/**
+ * Buffer pool for crypto session output packets
+ */
+#define SHM_OUT_POOL_BUF_COUNT 1024
+#define SHM_OUT_POOL_BUF_SIZE 4096
+#define SHM_OUT_POOL_SIZE (SHM_OUT_POOL_BUF_COUNT * SHM_OUT_POOL_BUF_SIZE)
+
+static odp_buffer_pool_t out_pool = ODP_BUFFER_POOL_INVALID;
+
+/** ATOMIC queue for IPsec sequence number assignment */
+static odp_queue_t seqnumq;
+
+/** ORDERED queue (eventually) for per packet crypto API completion events */
+static odp_queue_t completionq;
+
+/** Synchronize threads before packet processing begins */
+static odp_barrier_t sync_barrier;
+
+/**
+ * Packet processing states/steps
+ */
+typedef enum {
+ PKT_STATE_INPUT_VERIFY, /**< Verify IPv4 and ETH */
+ PKT_STATE_IPSEC_IN_CLASSIFY, /**< Initiate input IPsec */
+ PKT_STATE_IPSEC_IN_FINISH, /**< Finish input IPsec */
+ PKT_STATE_ROUTE_LOOKUP, /**< Use DST IP to find output IF */
+ PKT_STATE_IPSEC_OUT_CLASSIFY, /**< Intiate output IPsec */
+ PKT_STATE_IPSEC_OUT_SEQ, /**< Assign IPsec sequence numbers */
+ PKT_STATE_IPSEC_OUT_FINISH, /**< Finish output IPsec */
+ PKT_STATE_TRANSMIT, /**< Send packet to output IF queue */
+} pkt_state_e;
+
+/**
+ * Packet processing result codes
+ */
+typedef enum {
+ PKT_CONTINUE, /**< No events posted, keep processing */
+ PKT_POSTED, /**< Event posted, stop processing */
+ PKT_DROP, /**< Reason to drop detected, stop processing */
+ PKT_DONE /**< Finished with packet, stop processing */
+} pkt_disposition_e;
+
+/**
+ * Per packet IPsec processing context
+ */
+typedef struct {
+ uint8_t ip_tos; /**< Saved IP TOS value */
+ uint16_t ip_frag_offset; /**< Saved IP flags value */
+ uint8_t ip_ttl; /**< Saved IP TTL value */
+ int hdr_len; /**< Length of IPsec headers */
+ int trl_len; /**< Length of IPsec trailers */
+ uint16_t ah_offset; /**< Offset of AH header from buffer start */
+ uint16_t esp_offset; /**< Offset of ESP header from buffer start */
+
+ /* Output only */
+ odp_crypto_op_params_t params; /**< Parameters for crypto call */
+ uint32_t *ah_seq; /**< AH sequence number location */
+ uint32_t *esp_seq; /**< ESP sequence number location
*/
+} ipsec_ctx_t;
+
+/**
+ * Per packet processing context
+ */
+typedef struct {
+ odp_buffer_t buffer; /**< Buffer for context */
+ pkt_state_e state; /**< Next processing step */
+ ipsec_ctx_t ipsec; /**< IPsec specific context */
+ odp_queue_t outq; /**< transmit queue */
+} pkt_ctx_t;
+
+#define SHM_CTX_POOL_BUF_SIZE (sizeof(pkt_ctx_t))
+#define SHM_CTX_POOL_BUF_COUNT (SHM_PKT_POOL_BUF_COUNT +
SHM_OUT_POOL_BUF_COUNT)
+#define SHM_CTX_POOL_SIZE (SHM_CTX_POOL_BUF_COUNT * SHM_CTX_POOL_BUF_SIZE)
+
+static odp_buffer_pool_t ctx_pool = ODP_BUFFER_POOL_INVALID;
+
+/**
+ * Get per packet processing context from packet buffer
+ *
+ * @param pkt Packet
+ *
+ * @return pointer to context area
+ */
+static
+pkt_ctx_t *get_pkt_ctx_from_pkt(odp_packet_t pkt)
+{
+ return (pkt_ctx_t *)odp_packet_get_ctx(pkt);
+}
+
+/**
+ * Allocate per packet processing context and associate it with
+ * packet buffer
+ *
+ * @param pkt Packet
+ *
+ * @return pointer to context area
+ */
+static
+pkt_ctx_t *alloc_pkt_ctx(odp_packet_t pkt)
+{
+ odp_buffer_t ctx_buf = odp_buffer_alloc(ctx_pool);
+ pkt_ctx_t *ctx;
+
+ /* There should always be enough contexts */
+ if (odp_unlikely(ODP_BUFFER_INVALID == ctx_buf))
+ abort();
+
+ ctx = odp_buffer_addr(ctx_buf);
+ memset(ctx, 0, sizeof(*ctx));
+ ctx->buffer = ctx_buf;
+ odp_packet_set_ctx(pkt, ctx);
+
+ return ctx;
+}
+
+/**
+ * Release per packet resources
+ *
+ * @param ctx Packet context
+ */
+static
+void free_pkt_ctx(pkt_ctx_t *ctx)
+{
+ odp_buffer_free(ctx->buffer);
+}
+
+#if USE_MAC_ADDR_HACK
+
+/**
+ * Query MAC address associated with an interface
+ *
+ * @todo Remove once pktio API is committed
+ *
+ * @param intf String name of the interface
+ * @param src_mac MAC address used by the interface
+ *
+ * @return 0 if successful else -1
+ */
+static
+int query_mac_address(char *intf, uint8_t *src_mac)
+{
+ int sd;
+ struct ifreq ifr;
+
+ /* Get a socket descriptor */
+ sd = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL));
+ if (sd < 0) {
+ ODP_ERR("Error: socket() failed for %s\n", intf);
+ return -1;
+ }
+
+ /* Use ioctl() to look up interface name and get its MAC address */
+ memset(&ifr, 0, sizeof(ifr));
+ snprintf(ifr.ifr_name, sizeof(ifr.ifr_name), "%s", intf);
+ if (ioctl(sd, SIOCGIFHWADDR, &ifr) < 0) {
+ ODP_ERR("Error: ioctl() failed for %s\n", intf);
+ return -1;
+ }
+ memcpy(src_mac, ifr.ifr_hwaddr.sa_data, 6);
+
+ /* Fini */
+ close(sd);
+
+ return 0;
+}
+
+#endif
+
+/**
+ * IPsec pre argument processing intialization
+ */
+static
+void ipsec_init_pre(void)
+{
+ odp_queue_param_t qparam;
+ void *pool_base;
+
+ /*
+ * Create queues
+ *
+ * - completion queue (should eventually be ORDERED)
+ * - sequence number queue (must be ATOMIC)
+ */
+ qparam.sched.prio = ODP_SCHED_PRIO_HIGHEST;
+ qparam.sched.sync = ODP_SCHED_SYNC_ATOMIC;
+ qparam.sched.group = ODP_SCHED_GROUP_DEFAULT;
+
+ completionq = odp_queue_create("completion",
+ ODP_QUEUE_TYPE_SCHED,
+ &qparam);
+ if (completionq == ODP_QUEUE_INVALID) {
+ ODP_ERR("Error: completion queue creation failed\n");
+ exit(EXIT_FAILURE);
+ }
+
+ qparam.sched.prio = ODP_SCHED_PRIO_HIGHEST;
+ qparam.sched.sync = ODP_SCHED_SYNC_ATOMIC;
+ qparam.sched.group = ODP_SCHED_GROUP_DEFAULT;
+
+ seqnumq = odp_queue_create("seqnum",
+ ODP_QUEUE_TYPE_SCHED,
+ &qparam);
+ if (seqnumq == ODP_QUEUE_INVALID) {
+ ODP_ERR("Error: sequence number queue creation failed\n");
+ exit(EXIT_FAILURE);
+ }
+
+ /* Create output buffer pool */
+ pool_base = odp_shm_reserve("shm_out_pool",
+ SHM_OUT_POOL_SIZE, ODP_CACHE_LINE_SIZE);
+
+ out_pool = odp_buffer_pool_create("out_pool", pool_base,
+ SHM_OUT_POOL_SIZE,
+ SHM_OUT_POOL_BUF_SIZE,
+ ODP_CACHE_LINE_SIZE,
+ ODP_BUFFER_TYPE_PACKET);
+
+ if (out_pool == ODP_BUFFER_POOL_INVALID) {
+ ODP_ERR("Error: message pool create failed.\n");
+ exit(EXIT_FAILURE);
+ }
+
+ /* Initialize our data bases */
+ init_sp_db();
+ init_sa_db();
+ init_ipsec_cache();
+}
+
+/**
+ * IPsec post argument processing intialization
+ *
+ * Resolve SP DB with SA DB and create corresponding IPsec cache entries
+ *
+ * @param api_mode Mode to use when invoking per packet crypto API
+ */
+static
+void ipsec_init_post(crypto_api_mode_e api_mode)
+{
+ sp_db_entry_t *entry;
+
+ /* Attempt to find appropriate SA for each SP */
+ for (entry = sp_db->list; NULL != entry; entry = entry->next) {
+ sa_db_entry_t *cipher_sa = NULL;
+ sa_db_entry_t *auth_sa = NULL;
+
+ if (entry->esp)
+ cipher_sa = find_sa_db_entry(&entry->src_subnet,
+ &entry->dst_subnet,
+ 1);
+ if (entry->ah)
+ auth_sa = find_sa_db_entry(&entry->src_subnet,
+ &entry->dst_subnet,
+ 0);
+
+ if (cipher_sa || auth_sa)
+ create_ipsec_cache_entry(cipher_sa,
+ auth_sa,
+ api_mode,
+ entry->input,
+ completionq,
+ out_pool);
+ else {
+ printf(" WARNING: SA not found for SP\n");
+ dump_sp_db_entry(entry);
+ }
+ }
+}
+
+/**
+ * Initialize loopback
+ *
+ * Initialize ODP queues to create our own idea of loopbacks, which allow
+ * testing without physical interfaces. Interface name string will be of
+ * the format "loopX" where X is the decimal number of the interface.
+ *
+ * @param intf Loopback interface name string
+ */
+static
+void initialize_loop(char *intf)
+{
+ int idx;
+ odp_queue_t outq_def;
+ odp_queue_t inq_def;
+ char queue_name[ODP_QUEUE_NAME_LEN];
+ odp_queue_param_t qparam;
+ uint8_t *mac;
+ char mac_str[32];
+
+ /* Derive loopback interface index */
+ idx = loop_if_index(intf);
+ if (idx < 0) {
+ ODP_ERR("Error: loopback \"%s\" invalid\n", intf);
+ exit(EXIT_FAILURE);
+ }
+
+ /* Create input queue */
+ qparam.sched.prio = ODP_SCHED_PRIO_DEFAULT;
+ qparam.sched.sync = ODP_SCHED_SYNC_ATOMIC;
+ qparam.sched.group = ODP_SCHED_GROUP_DEFAULT;
+ snprintf(queue_name, sizeof(queue_name), "%i-loop_inq_def", idx);
+ queue_name[ODP_QUEUE_NAME_LEN - 1] = '\0';
+
+ inq_def = odp_queue_create(queue_name, ODP_QUEUE_TYPE_SCHED, &qparam);
+ if (inq_def == ODP_QUEUE_INVALID) {
+ ODP_ERR("Error: input queue creation failed for %s\n", intf);
+ exit(EXIT_FAILURE);
+ }
+ /* Create output queue */
+ qparam.sched.prio = ODP_SCHED_PRIO_DEFAULT;
+ qparam.sched.sync = ODP_SCHED_SYNC_ATOMIC;
+ qparam.sched.group = ODP_SCHED_GROUP_DEFAULT;
+ snprintf(queue_name, sizeof(queue_name), "%i-loop_outq_def", idx);
+ queue_name[ODP_QUEUE_NAME_LEN - 1] = '\0';
+
+ outq_def = odp_queue_create(queue_name, ODP_QUEUE_TYPE_POLL, &qparam);
+ if (outq_def == ODP_QUEUE_INVALID) {
+ ODP_ERR("Error: output queue creation failed for %s\n", intf);
+ exit(EXIT_FAILURE);
+ }
+
+ /* Initialize the loopback DB entry */
+ create_loopback_db_entry(idx, inq_def, outq_def, pkt_pool);
+ mac = query_loopback_db_mac(idx);
+
+ printf("Created loop:%02i, queue mode (ATOMIC queues)\n"
+ " default loop%02i-INPUT queue:%u\n"
+ " default loop%02i-OUTPUT queue:%u\n"
+ " source mac address %s\n",
+ idx, idx, inq_def, idx, outq_def,
+ mac_addr_str(mac_str, mac));
+
+ /* Resolve any routes using this interface for output */
+ resolve_fwd_db(intf, outq_def, mac);
+}
+
+/**
+ * Initialize interface
+ *
+ * Initialize ODP pktio and queues, query MAC address and update
+ * forwarding database.
+ *
+ * @param intf Interface name string
+ * @param type Packet IO type (BASIC, MMSG, MMAP)
+ * @param fanout Packet IO fanout
+ */
+static
+void initialize_intf(char *intf, int type, int fanout)
+{
+ odp_pktio_t pktio;
+ odp_queue_t outq_def;
+ odp_queue_t inq_def;
+ char inq_name[ODP_QUEUE_NAME_LEN];
+ odp_queue_param_t qparam;
+ int ret;
+ odp_pktio_params_t params;
+ socket_params_t *sock_params = ¶ms.sock_params;
+ uint8_t src_mac[6];
+ char src_mac_str[32];
+
+ /*
+ * Open a packet IO instance for thread and get default output queue
+ */
+ sock_params->type = type;
+ sock_params->fanout = fanout;
+ pktio = odp_pktio_open(intf, pkt_pool, ¶ms);
+ if (pktio == ODP_PKTIO_INVALID) {
+ ODP_ERR("Error: pktio create failed for %s\n", intf);
+ exit(EXIT_FAILURE);
+ }
+ outq_def = odp_pktio_outq_getdef(pktio);
+
+ /*
+ * Create and set the default INPUT queue associated with the 'pktio'
+ * resource
+ */
+ qparam.sched.prio = ODP_SCHED_PRIO_DEFAULT;
+ qparam.sched.sync = ODP_SCHED_SYNC_ATOMIC;
+ qparam.sched.group = ODP_SCHED_GROUP_DEFAULT;
+ snprintf(inq_name, sizeof(inq_name), "%i-pktio_inq_def", (int)pktio);
+ inq_name[ODP_QUEUE_NAME_LEN - 1] = '\0';
+
+ inq_def = odp_queue_create(inq_name, ODP_QUEUE_TYPE_PKTIN, &qparam);
+ if (inq_def == ODP_QUEUE_INVALID) {
+ ODP_ERR("Error: pktio queue creation failed for %s\n", intf);
+ exit(EXIT_FAILURE);
+ }
+
+ ret = odp_pktio_inq_setdef(pktio, inq_def);
+ if (ret != 0) {
+ ODP_ERR("Error: default input-Q setup for %s\n", intf);
+ exit(EXIT_FAILURE);
+ }
+
+ /*
+ * Read the source MAC address for this interface
+ *
+ * @todo Remove once pktio API is committed
+ */
+#if USE_MAC_ADDR_HACK
+ ret = query_mac_address(intf, src_mac);
+#else
+ ret = odp_pktio_get_mac_addr(pktio, src_mac);
+#endif
+ if (ret != 0) {
+ ODP_ERR("Error: failed during MAC address get for %s\n", intf);
+ exit(EXIT_FAILURE);
+ }
+
+ printf("Created pktio:%02i, queue mode (ATOMIC queues)\n"
+ " default pktio%02i-INPUT queue:%u\n"
+ " source mac address %s\n",
+ pktio, pktio, inq_def, mac_addr_str(src_mac_str, src_mac));
+
+ /* Resolve any routes using this interface for output */
+ resolve_fwd_db(intf, outq_def, src_mac);
+}
+
+/**
+ * Packet Processing - Input verification
+ *
+ * @param pkt Packet to inspect
+ * @param ctx Packet process context (not used)
+ *
+ * @return PKT_CONTINUE if good, supported packet else PKT_DROP
+ */
+static
+pkt_disposition_e do_input_verify(odp_packet_t pkt, pkt_ctx_t *ctx ODP_UNUSED)
+{
+ if (odp_unlikely(odp_packet_error(pkt)))
+ return PKT_DROP;
+
+ if (!odp_packet_inflag_eth(pkt))
+ return PKT_DROP;
+
+ if (!odp_packet_inflag_ipv4(pkt))
+ return PKT_DROP;
+
+ return PKT_CONTINUE;
+}
+
+/**
+ * Packet Processing - Route lookup in forwarding database
+ *
+ * @param pkt Packet to route
+ * @param ctx Packet process context
+ *
+ * @return PKT_CONTINUE if route found else PKT_DROP
+ */
+static
+pkt_disposition_e do_route_fwd_db(odp_packet_t pkt, pkt_ctx_t *ctx)
+{
+ odp_ipv4hdr_t *ip = (odp_ipv4hdr_t *)odp_packet_l3(pkt);
+ fwd_db_entry_t *entry;
+
+ entry = find_fwd_db_entry(odp_be_to_cpu_32(ip->dst_addr));
+
+ if (entry) {
+ odp_ethhdr_t *eth = (odp_ethhdr_t *)odp_packet_l2(pkt);
+
+ memcpy(ð->dst, entry->dst_mac, 6);
+ memcpy(ð->src, entry->src_mac, 6);
+ ctx->outq = entry->queue;
+
+ return PKT_CONTINUE;
+ }
+
+ return PKT_DROP;
+}
+
+/**
+ * Packet Processing - Input IPsec packet classification
+ *
+ * Verify the received packet has IPsec headers and a match
+ * in the IPsec cache, if so issue crypto request else skip
+ * input crypto.
+ *
+ * @param pkt Packet to classify
+ * @param ctx Packet process context
+ * @param skip Pointer to return "skip" indication
+ *
+ * @return PKT_CONTINUE if done else PKT_POSTED
+ */
+static
+pkt_disposition_e do_ipsec_in_classify(odp_packet_t pkt,
+ pkt_ctx_t *ctx,
+ bool *skip)
+{
+ uint8_t *buf = odp_packet_buf_addr(pkt);
+ odp_ipv4hdr_t *ip = (odp_ipv4hdr_t *)odp_packet_l3(pkt);
+ int hdr_len;
+ odp_ahhdr_t *ah = NULL;
+ odp_esphdr_t *esp = NULL;
+ ipsec_cache_entry_t *entry;
+ odp_crypto_op_params_t params;
+ bool posted = 0;
+
+ /* Default to skip IPsec */
+ *skip = TRUE;
+
+ /* Check IP header for IPSec protocols and look it up */
+ hdr_len = locate_ipsec_headers(ip, &ah, &esp);
+ if (!ah && !esp)
+ return PKT_CONTINUE;
+ entry = find_ipsec_cache_entry_in(odp_be_to_cpu_32(ip->src_addr),
+ odp_be_to_cpu_32(ip->dst_addr),
+ ah,
+ esp);
+ if (!entry)
+ return PKT_CONTINUE;
+
+ /* Account for configured ESP IV length in packet */
+ hdr_len += entry->esp.iv_len;
+
+ /* Initialize parameters block */
+ memset(¶ms, 0, sizeof(params));
+ params.session = entry->state.session;
+ params.pkt = pkt;
+ params.out_pkt = entry->in_place ? pkt : ODP_PACKET_INVALID;
+
+ /*Save everything to context */
+ ctx->ipsec.ip_tos = ip->tos;
+ ctx->ipsec.ip_frag_offset = odp_be_to_cpu_16(ip->frag_offset);
+ ctx->ipsec.ip_ttl = ip->ttl;
+ ctx->ipsec.ah_offset = ah ? ((uint8_t *)ah) - buf : 0;
+ ctx->ipsec.esp_offset = esp ? ((uint8_t *)esp) - buf : 0;
+ ctx->ipsec.hdr_len = hdr_len;
+ ctx->ipsec.trl_len = 0;
+
+ /*If authenticating, zero the mutable fields build the request */
+ if (ah) {
+ ip->chksum = 0;
+ ip->tos = 0;
+ ip->frag_offset = 0;
+ ip->ttl = 0;
+
+ params.auth_range.offset = ((uint8_t *)ip) - buf;
+ params.auth_range.length = odp_be_to_cpu_16(ip->tot_len);
+ params.hash_result_offset = ah->icv - buf;
+ }
+
+ /* If deciphering build request */
+ if (esp) {
+ params.cipher_range.offset = ipv4_data_p(ip) + hdr_len - buf;
+ params.cipher_range.length = ipv4_data_len(ip) - hdr_len;
+ params.override_iv_ptr = esp->iv;
+ }
+
+ /* Issue crypto request */
+ *skip = FALSE;
+ if (odp_crypto_operation(¶ms,
+ &posted,
+ odp_buffer_from_packet(pkt))) {
+ abort();
+ }
+ return (posted) ? PKT_POSTED : PKT_CONTINUE;
+}
+
+/**
+ * Packet Processing - Input IPsec packet processing cleanup
+ *
+ * @param pkt Packet to handle
+ * @param ctx Packet process context
+ *
+ * @return PKT_CONTINUE if successful else PKT_DROP
+ */
+static
+pkt_disposition_e do_ipsec_in_finish(odp_packet_t pkt,
+ pkt_ctx_t *ctx)
+{
+ odp_buffer_t event;
+ odp_crypto_compl_status_t cipher_rc, auth_rc;
+ odp_ipv4hdr_t *ip = (odp_ipv4hdr_t *)odp_packet_l3(pkt);
+ int hdr_len = ctx->ipsec.hdr_len;
+ int trl_len = 0;
+
+ /* Check crypto result */
+ event = odp_buffer_from_packet(pkt);
+ odp_crypto_get_operation_compl_status(event, &cipher_rc, &auth_rc);
+ if (!is_crypto_compl_status_ok(&cipher_rc))
+ return PKT_DROP;
+ if (!is_crypto_compl_status_ok(&auth_rc))
+ return PKT_DROP;
+
+ /*
+ * Finish auth
+ */
+ if (ctx->ipsec.ah_offset) {
+ uint8_t *buf = odp_packet_buf_addr(pkt);
+ odp_ahhdr_t *ah;
+
+ ah = (odp_ahhdr_t *)(ctx->ipsec.ah_offset + buf);
+ ip->proto = ah->next_header;
+ }
+
+ /*
+ * Finish cipher by finding ESP trailer and processing
+ *
+ * NOTE: ESP authentication ICV not supported
+ */
+ if (ctx->ipsec.esp_offset) {
+ uint8_t *eop = (uint8_t *)(ip) + odp_be_to_cpu_16(ip->tot_len);
+ odp_esptrl_t *esp_t = (odp_esptrl_t *)(eop) - 1;
+
+ ip->proto = esp_t->next_header;
+ trl_len += esp_t->pad_len + sizeof(*esp_t);
+ }
+
+ /* Finalize the IPv4 header */
+ ipv4_adjust_len(ip, -(hdr_len + trl_len));
+ ip->ttl = ctx->ipsec.ip_ttl;
+ ip->tos = ctx->ipsec.ip_tos;
+ ip->frag_offset = odp_cpu_to_be_16(ctx->ipsec.ip_frag_offset);
+ ip->chksum = 0;
+ odp_ipv4_csum_update(pkt);
+
+ /* Correct the packet length and move payload into position */
+ odp_packet_set_len(pkt, odp_packet_get_len(pkt) - (hdr_len + trl_len));
+ memmove(ipv4_data_p(ip),
+ ipv4_data_p(ip) + hdr_len,
+ odp_be_to_cpu_16(ip->tot_len));
+
+ /* Fall through to next state */
+ return PKT_CONTINUE;
+}
+
+/**
+ * Packet Processing - Output IPsec packet classification
+ *
+ * Verify the outbound packet has a match in the IPsec cache,
+ * if so issue prepend IPsec headers and prepare parameters
+ * for crypto API call. Post the packet to ATOMIC queue so
+ * that sequence numbers can be applied in packet order as
+ * the next processing step.
+ *
+ * @param pkt Packet to classify
+ * @param ctx Packet process context
+ * @param skip Pointer to return "skip" indication
+ *
+ * @return PKT_CONTINUE if done else PKT_POSTED
+ */
+static
+pkt_disposition_e do_ipsec_out_classify(odp_packet_t pkt,
+ pkt_ctx_t *ctx,
+ bool *skip)
+{
+ uint8_t *buf = odp_packet_buf_addr(pkt);
+ odp_ipv4hdr_t *ip = (odp_ipv4hdr_t *)odp_packet_l3(pkt);
+ uint16_t ip_data_len = ipv4_data_len(ip);
+ uint8_t *ip_data = ipv4_data_p(ip);
+ ipsec_cache_entry_t *entry;
+ odp_crypto_op_params_t params;
+ int hdr_len = 0;
+ int trl_len = 0;
+ odp_ahhdr_t *ah = NULL;
+ odp_esphdr_t *esp = NULL;
+
+ /* Default to skip IPsec */
+ *skip = TRUE;
+
+ /* Find record */
+ entry = find_ipsec_cache_entry_out(odp_be_to_cpu_32(ip->src_addr),
+ odp_be_to_cpu_32(ip->dst_addr),
+ ip->proto);
+ if (!entry)
+ return PKT_CONTINUE;
+
+ /* Save IPv4 stuff */
+ ctx->ipsec.ip_tos = ip->tos;
+ ctx->ipsec.ip_frag_offset = odp_be_to_cpu_16(ip->frag_offset);
+ ctx->ipsec.ip_ttl = ip->ttl;
+
+ /* Initialize parameters block */
+ memset(¶ms, 0, sizeof(params));
+ params.session = entry->state.session;
+ params.pkt = pkt;
+ params.out_pkt = entry->in_place ? pkt : ODP_PACKET_INVALID;
+
+ /* Compute ah and esp, determine length of headers, move the data */
+ if (entry->ah.alg) {
+ ah = (odp_ahhdr_t *)(ip_data);
+ hdr_len += sizeof(odp_ahhdr_t);
+ hdr_len += entry->ah.icv_len;
+ }
+ if (entry->esp.alg) {
+ esp = (odp_esphdr_t *)(ip_data + hdr_len);
+ hdr_len += sizeof(odp_esphdr_t);
+ hdr_len += entry->esp.iv_len;
+ }
+ memmove(ip_data + hdr_len, ip_data, ip_data_len);
+ ip_data += hdr_len;
+
+ /* For cipher, compute encrypt length, build headers and request */
+ if (esp) {
+ uint32_t encrypt_len;
+ odp_esptrl_t *esp_t;
+
+ encrypt_len = ESP_ENCODE_LEN(ip_data_len + sizeof(*esp_t),
+ entry->esp.block_len);
+ trl_len = encrypt_len - ip_data_len;
+
+ esp->spi = odp_cpu_to_be_32(entry->esp.spi);
+ memcpy(esp + 1, entry->state.iv, entry->esp.iv_len);
+
+ esp_t = (odp_esptrl_t *)(ip_data + encrypt_len) - 1;
+ esp_t->pad_len = trl_len - sizeof(*esp_t);
+ esp_t->next_header = ip->proto;
+ ip->proto = ODP_IPPROTO_ESP;
+
+ params.cipher_range.offset = ip_data - buf;
+ params.cipher_range.length = encrypt_len;
+ }
+
+ /* For authentication, build header clear mutables and build request */
+ if (ah) {
+ memset(ah, 0, sizeof(*ah) + entry->ah.icv_len);
+ ah->spi = odp_cpu_to_be_32(entry->ah.spi);
+ ah->ah_len = 1 + (entry->ah.icv_len / 4);
+ ah->next_header = ip->proto;
+ ip->proto = ODP_IPPROTO_AH;
+
+ ip->chksum = 0;
+ ip->tos = 0;
+ ip->frag_offset = 0;
+ ip->ttl = 0;
+
+ params.auth_range.offset = ((uint8_t *)ip) - buf;
+ params.auth_range.length =
+ odp_be_to_cpu_16(ip->tot_len) + (hdr_len + trl_len);
+ params.hash_result_offset = ah->icv - buf;
+ }
+
+ /* Set IPv4 length before authentication */
+ ipv4_adjust_len(ip, hdr_len + trl_len);
+ odp_packet_set_len(pkt, odp_packet_get_len(pkt) + (hdr_len + trl_len));
+
+ /* Save remaining context */
+ ctx->ipsec.hdr_len = hdr_len;
+ ctx->ipsec.trl_len = trl_len;
+ ctx->ipsec.ah_offset = ah ? ((uint8_t *)ah) - buf : 0;
+ ctx->ipsec.esp_offset = esp ? ((uint8_t *)esp) - buf : 0;
+ ctx->ipsec.ah_seq = &entry->state.ah_seq;
+ ctx->ipsec.esp_seq = &entry->state.esp_seq;
+ memcpy(&ctx->ipsec.params, ¶ms, sizeof(params));
+
+ /* Send packet to the atmoic queue to assign sequence numbers */
+ *skip = FALSE;
+ odp_queue_enq(seqnumq, odp_buffer_from_packet(pkt));
+
+ return PKT_POSTED;
+}
+
+/**
+ * Packet Processing - Output IPsec packet sequence number assignment
+ *
+ * Assign the necessary sequence numbers and then issue the crypto API call
+ *
+ * @param pkt Packet to handle
+ * @param ctx Packet process context
+ *
+ * @return PKT_CONTINUE if done else PKT_POSTED
+ */
+static
+pkt_disposition_e do_ipsec_out_seq(odp_packet_t pkt,
+ pkt_ctx_t *ctx)
+{
+ uint8_t *buf = odp_packet_buf_addr(pkt);
+ bool posted = 0;
+
+ /* We were dispatched from atomic queue, assign sequence numbers */
+ if (ctx->ipsec.ah_offset) {
+ odp_ahhdr_t *ah;
+
+ ah = (odp_ahhdr_t *)(ctx->ipsec.ah_offset + buf);
+ ah->seq_no = odp_cpu_to_be_32((*ctx->ipsec.ah_seq)++);
+ }
+ if (ctx->ipsec.esp_offset) {
+ odp_esphdr_t *esp;
+
+ esp = (odp_esphdr_t *)(ctx->ipsec.esp_offset + buf);
+ esp->seq_no = odp_cpu_to_be_32((*ctx->ipsec.esp_seq)++);
+ }
+
+ /* Issue crypto request */
+ if (odp_crypto_operation(&ctx->ipsec.params,
+ &posted,
+ odp_buffer_from_packet(pkt))) {
+ abort();
+ }
+ return (posted) ? PKT_POSTED : PKT_CONTINUE;
+}
+
+/**
+ * Packet Processing - Output IPsec packet processing cleanup
+ *
+ * @param pkt Packet to handle
+ * @param ctx Packet process context
+ *
+ * @return PKT_CONTINUE if successful else PKT_DROP
+ */
+static
+pkt_disposition_e do_ipsec_out_finish(odp_packet_t pkt,
+ pkt_ctx_t *ctx)
+{
+ odp_buffer_t event;
+ odp_crypto_compl_status_t cipher_rc, auth_rc;
+ odp_ipv4hdr_t *ip = (odp_ipv4hdr_t *)odp_packet_l3(pkt);
+
+ /* Check crypto result */
+ event = odp_buffer_from_packet(pkt);
+ odp_crypto_get_operation_compl_status(event, &cipher_rc, &auth_rc);
+ if (!is_crypto_compl_status_ok(&cipher_rc))
+ return PKT_DROP;
+ if (!is_crypto_compl_status_ok(&auth_rc))
+ return PKT_DROP;
+
+ /* Finalize the IPv4 header */
+ ip->ttl = ctx->ipsec.ip_ttl;
+ ip->tos = ctx->ipsec.ip_tos;
+ ip->frag_offset = odp_cpu_to_be_16(ctx->ipsec.ip_frag_offset);
+ ip->chksum = 0;
+ odp_ipv4_csum_update(pkt);
+
+ /* Fall through to next state */
+ return PKT_CONTINUE;
+}
+
+/**
+ * Packet IO worker thread
+ *
+ * Loop calling odp_schedule to obtain packets from one of three sources,
+ * and continue processing the packet based on the state stored in its
+ * per packet context.
+ *
+ * - Input interfaces (i.e. new work)
+ * - Sequence number assignment queue
+ * - Per packet crypto API completion queue
+ *
+ * @param arg thread arguments of type 'thread_args_t *'
+ *
+ * @return NULL (should never return)
+ */
+static
+void *pktio_thread(void *arg ODP_UNUSED)
+{
+ int thr;
+ odp_packet_t pkt;
+ odp_buffer_t buf;
+ unsigned long pkt_cnt = 0;
+
+ thr = odp_thread_id();
+
+ printf("Pktio thread [%02i] starts\n", thr);
+
+ odp_barrier_sync(&sync_barrier);
+
+ /* Loop packets */
+ for (;;) {
+ pkt_disposition_e rc;
+ pkt_ctx_t *ctx;
+ odp_queue_t dispatchq;
+
+ /* Use schedule to get buf from any input queue */
+ buf = odp_schedule(&dispatchq, ODP_SCHED_WAIT);
+ pkt = odp_packet_from_buffer(buf);
+
+ /* Determine new work versus completion or sequence number */
+ if ((completionq != dispatchq) && (seqnumq != dispatchq)) {
+ ctx = alloc_pkt_ctx(pkt);
+ ctx->state = PKT_STATE_INPUT_VERIFY;
+ } else {
+ ctx = get_pkt_ctx_from_pkt(pkt);
+ }
+
+ /*
+ * We now have a packet and its associated context. Loop here
+ * executing processing based on the current state value stored
+ * in the context as long as the processing return code
+ * indicates PKT_CONTINUE.
+ *
+ * For other return codes:
+ *
+ * o PKT_DONE - finished with the packet
+ * o PKT_DROP - something incorrect about the packet, drop it
+ * o PKT_POSTED - packet/event has been queued for later
+ */
+ do {
+ bool skip = FALSE;
+
+ switch (ctx->state) {
+ case PKT_STATE_INPUT_VERIFY:
+
+ rc = do_input_verify(pkt, ctx);
+ ctx->state = PKT_STATE_IPSEC_IN_CLASSIFY;
+ break;
+
+ case PKT_STATE_IPSEC_IN_CLASSIFY:
+
+ rc = do_ipsec_in_classify(pkt, ctx, &skip);
+ ctx->state = (skip) ?
+ PKT_STATE_ROUTE_LOOKUP :
+ PKT_STATE_IPSEC_IN_FINISH;
+ break;
+
+ case PKT_STATE_IPSEC_IN_FINISH:
+
+ rc = do_ipsec_in_finish(pkt, ctx);
+ ctx->state = PKT_STATE_ROUTE_LOOKUP;
+ break;
+
+ case PKT_STATE_ROUTE_LOOKUP:
+
+ rc = do_route_fwd_db(pkt, ctx);
+ ctx->state = PKT_STATE_IPSEC_OUT_CLASSIFY;
+ break;
+
+ case PKT_STATE_IPSEC_OUT_CLASSIFY:
+
+ rc = do_ipsec_out_classify(pkt, ctx, &skip);
+ ctx->state = (skip) ?
+ PKT_STATE_TRANSMIT :
+ PKT_STATE_IPSEC_OUT_SEQ;
+ break;
+
+ case PKT_STATE_IPSEC_OUT_SEQ:
+
+ rc = do_ipsec_out_seq(pkt, ctx);
+ ctx->state = PKT_STATE_IPSEC_OUT_FINISH;
+ break;
+
+ case PKT_STATE_IPSEC_OUT_FINISH:
+
+ rc = do_ipsec_out_finish(pkt, ctx);
+ ctx->state = PKT_STATE_TRANSMIT;
+ break;
+
+ case PKT_STATE_TRANSMIT:
+
+ odp_queue_enq(ctx->outq, buf);
+ rc = PKT_DONE;
+ break;
+
+ default:
+ rc = PKT_DROP;
+ break;
+ }
+ } while (PKT_CONTINUE == rc);
+
+ /* Free context on drop or transmit */
+ if ((PKT_DROP == rc) || (PKT_DONE == rc))
+ free_pkt_ctx(ctx);
+
+
+ /* Check for drop */
+ if (PKT_DROP == rc)
+ odp_packet_free(pkt);
+
+ /* Print packet counts every once in a while */
+ if (PKT_DONE == rc) {
+ if (odp_unlikely(pkt_cnt++ % 1000 == 0)) {
+ printf(" [%02i] pkt_cnt:%lu\n", thr, pkt_cnt);
+ fflush(NULL);
+ }
+ }
+ }
+
+ /* unreachable */
+ return NULL;
+}
+
+/**
+ * ODP ipsec example main function
+ */
+int
+main(int argc, char *argv[])
+{
+ odp_linux_pthread_t thread_tbl[MAX_WORKERS];
+ int thr_id;
+ int num_workers;
+ void *pool_base;
+ int i;
+ int first_core;
+ int core_count;
+ int stream_count;
+
+ /* Init ODP before calling anything else */
+ if (odp_init_global()) {
+ ODP_ERR("Error: ODP global init failed.\n");
+ exit(EXIT_FAILURE);
+ }
+
+ /* Init this thread */
+ thr_id = odp_thread_create(0);
+ odp_init_local(thr_id);
+
+ /* Reserve memory for args from shared mem */
+ args = odp_shm_reserve("shm_args", sizeof(args_t), ODP_CACHE_LINE_SIZE);
+ if (args == NULL) {
+ ODP_ERR("Error: shared mem alloc failed.\n");
+ exit(EXIT_FAILURE);
+ }
+ memset(args, 0, sizeof(*args));
+
+ /* Must init our databases before parsing args */
+ ipsec_init_pre();
+ init_fwd_db();
+ init_loopback_db();
+ init_stream_db();
+
+ /* Parse and store the application arguments */
+ parse_args(argc, argv, &args->appl);
+
+ /* Print both system and application information */
+ print_info(NO_PATH(argv[0]), &args->appl);
+
+ core_count = odp_sys_core_count();
+ num_workers = core_count;
+
+ if (args->appl.core_count)
+ num_workers = args->appl.core_count;
+
+ if (num_workers > MAX_WORKERS)
+ num_workers = MAX_WORKERS;
+
+ printf("Num worker threads: %i\n", num_workers);
+
+ /* Create a barrier to synchronize thread startup */
+ odp_barrier_init_count(&sync_barrier, num_workers);
+
+ /*
+ * By default core #0 runs Linux kernel background tasks.
+ * Start mapping thread from core #1
+ */
+ first_core = (core_count == 1) ? 0 : 1;
+ printf("First core: %i\n\n", first_core);
+
+ /* Create packet buffer pool */
+ pool_base = odp_shm_reserve("shm_packet_pool",
+ SHM_PKT_POOL_SIZE, ODP_CACHE_LINE_SIZE);
+ if (pool_base == NULL) {
+ ODP_ERR("Error: packet pool mem alloc failed.\n");
+ exit(EXIT_FAILURE);
+ }
+
+ pkt_pool = odp_buffer_pool_create("packet_pool", pool_base,
+ SHM_PKT_POOL_SIZE,
+ SHM_PKT_POOL_BUF_SIZE,
+ ODP_CACHE_LINE_SIZE,
+ ODP_BUFFER_TYPE_PACKET);
+ if (pkt_pool == ODP_BUFFER_POOL_INVALID) {
+ ODP_ERR("Error: packet pool create failed.\n");
+ exit(EXIT_FAILURE);
+ }
+
+ /* Create context buffer pool */
+ pool_base = odp_shm_reserve("shm_ctx_pool",
+ SHM_CTX_POOL_SIZE, ODP_CACHE_LINE_SIZE);
+ if (pool_base == NULL) {
+ ODP_ERR("Error: context pool mem alloc failed.\n");
+ exit(EXIT_FAILURE);
+ }
+
+ ctx_pool = odp_buffer_pool_create("ctx_pool", pool_base,
+ SHM_CTX_POOL_SIZE,
+ SHM_CTX_POOL_BUF_SIZE,
+ ODP_CACHE_LINE_SIZE,
+ ODP_BUFFER_TYPE_RAW);
+ if (ctx_pool == ODP_BUFFER_POOL_INVALID) {
+ ODP_ERR("Error: context pool create failed.\n");
+ exit(EXIT_FAILURE);
+ }
+
+ /* Populate our IPsec cache */
+ printf("Using %s mode for crypto API\n\n",
+ (CRYPTO_API_SYNC == args->appl.mode) ? "SYNC" :
+ (CRYPTO_API_ASYNC_IN_PLACE == args->appl.mode) ?
+ "ASYNC_IN_PLACE" : "ASYNC_NEW_BUFFER");
+ ipsec_init_post(args->appl.mode);
+
+ /* Initialize interfaces (which resolves FWD DB entries */
+ for (i = 0; i < args->appl.if_count; i++) {
+ if (!strncmp("loop", args->appl.if_names[i], strlen("loop")))
+ initialize_loop(args->appl.if_names[i]);
+ else
+ initialize_intf(args->appl.if_names[i],
+ args->appl.type,
+ args->appl.fanout);
+ }
+
+ /* If we have test streams build them before starting workers */
+ resolve_stream_db();
+ stream_count = create_stream_db_inputs();
+
+ /*
+ * Create and init worker threads
+ */
+ memset(thread_tbl, 0, sizeof(thread_tbl));
+ for (i = 0; i < num_workers; ++i) {
+ int core;
+
+ core = (first_core + i) % core_count;
+
+ /*
+ * Create threads one-by-one instead of all-at-once,
+ * because each thread might get different arguments.
+ * Calls odp_thread_create(cpu) for each thread
+ */
+ odp_linux_pthread_create(thread_tbl, 1, core, pktio_thread,
+ &args->thread[i]);
+ }
+
+ /*
+ * If there are streams attempt to verify them else
+ * wait indefinitely
+ */
+ if (stream_count) {
+ bool done;
+ do {
+ done = verify_stream_db_outputs();
+ sleep(1);
+ } while (!done);
+ printf("All received\n");
+ } else {
+ odp_linux_pthread_join(thread_tbl, num_workers);
+ }
+
+ printf("Exit\n\n");
+
+ return 0;
+}
+
+/**
+ * Parse and store the command line arguments
+ *
+ * @param argc argument count
+ * @param argv[] argument vector
+ * @param appl_args Store application arguments here
+ */
+static void parse_args(int argc, char *argv[], appl_args_t *appl_args)
+{
+ int opt;
+ int long_index;
+ char *names, *str, *token, *save;
+ size_t len;
+ int i;
+ static struct option longopts[] = {
+ {"count", required_argument, NULL, 'c'},
+ {"interface", required_argument, NULL, 'i'}, /* return 'i' */
+ {"mode", required_argument, NULL, 'm'}, /* return 'm' */
+ {"route", required_argument, NULL, 'r'}, /* return 'r' */
+ {"policy", required_argument, NULL, 'p'}, /* return 'p' */
+ {"ah", required_argument, NULL, 'a'}, /* return 'a' */
+ {"esp", required_argument, NULL, 'e'}, /* return 'e' */
+ {"stream", required_argument, NULL, 's'}, /* return 's' */
+ {"help", no_argument, NULL, 'h'}, /* return 'h' */
+ {NULL, 0, NULL, 0}
+ };
+
+ appl_args->type = 3; /* 3: ODP_PKTIO_TYPE_SOCKET_MMAP */
+ appl_args->fanout = 0; /* turn off fanout by default for mmap */
+ appl_args->mode = 0; /* turn off async crypto API by default */
+
+ while (1) {
+ opt = getopt_long(argc, argv, "+c:i:m:t:f:h:r:p:a:e:s:",
+ longopts, &long_index);
+
+ if (opt == -1)
+ break; /* No more options */
+
+ switch (opt) {
+ case 'c':
+ appl_args->core_count = atoi(optarg);
+ break;
+ /* parse packet-io interface names */
+ case 'i':
+ len = strlen(optarg);
+ if (len == 0) {
+ usage(argv[0]);
+ exit(EXIT_FAILURE);
+ }
+ len += 1; /* add room for '\0' */
+
+ names = malloc(len);
+ if (names == NULL) {
+ usage(argv[0]);
+ exit(EXIT_FAILURE);
+ }
+
+ /* count the number of tokens separated by ',' */
+ strcpy(names, optarg);
+ for (str = names, i = 0;; str = NULL, i++) {
+ token = strtok_r(str, ",", &save);
+ if (token == NULL)
+ break;
+ }
+ appl_args->if_count = i;
+
+ if (appl_args->if_count == 0) {
+ usage(argv[0]);
+ exit(EXIT_FAILURE);
+ }
+
+ /* allocate storage for the if names */
+ appl_args->if_names =
+ calloc(appl_args->if_count, sizeof(char *));
+
+ /* store the if names (reset names string) */
+ strcpy(names, optarg);
+ for (str = names, i = 0;; str = NULL, i++) {
+ token = strtok_r(str, ",", &save);
+ if (token == NULL)
+ break;
+ appl_args->if_names[i] = token;
+ }
+ break;
+
+ case 't':
+ appl_args->type = atoi(optarg);
+ break;
+
+ case 'f':
+ appl_args->fanout = atoi(optarg);
+ break;
+
+ case 'm':
+ appl_args->mode = atoi(optarg);
+ break;
+
+ case 'r':
+ create_fwd_db_entry(optarg);
+ break;
+
+ case 'p':
+ create_sp_db_entry(optarg);
+ break;
+
+ case 'a':
+ create_sa_db_entry(optarg, FALSE);
+ break;
+
+ case 'e':
+ create_sa_db_entry(optarg, TRUE);
+ break;
+
+ case 's':
+ create_stream_db_entry(optarg);
+ break;
+
+ case 'h':
+ usage(argv[0]);
+ exit(EXIT_SUCCESS);
+ break;
+
+ default:
+ break;
+ }
+ }
+
+ if (appl_args->if_count == 0) {
+ usage(argv[0]);
+ exit(EXIT_FAILURE);
+ }
+
+ optind = 1; /* reset 'extern optind' from the getopt lib */
+}
+
+/**
+ * Print system and application info
+ */
+static void print_info(char *progname, appl_args_t *appl_args)
+{
+ int i;
+
+ printf("\n"
+ "ODP system info\n"
+ "---------------\n"
+ "ODP API version: %s\n"
+ "CPU model: %s\n"
+ "CPU freq (hz): %"PRIu64"\n"
+ "Cache line size: %i\n"
+ "Core count: %i\n"
+ "\n",
+ odp_version_api_str(), odp_sys_cpu_model_str(), odp_sys_cpu_hz(),
+ odp_sys_cache_line_size(), odp_sys_core_count());
+
+ printf("Running ODP appl: \"%s\"\n"
+ "-----------------\n"
+ "IF-count: %i\n"
+ "Using IFs: ",
+ progname, appl_args->if_count);
+ for (i = 0; i < appl_args->if_count; ++i)
+ printf(" %s", appl_args->if_names[i]);
+
+ printf("\n");
+
+ dump_fwd_db();
+ dump_sp_db();
+ dump_sa_db();
+ printf("\n\n");
+ fflush(NULL);
+}
+
+/**
+ * Prinf usage information
+ */
+static void usage(char *progname)
+{
+ printf("\n"
+ "Usage: %s OPTIONS\n"
+ " E.g. %s -i eth1,eth2,eth3 -m 0\n"
+ "\n"
+ "OpenDataPlane example application.\n"
+ "\n"
+ "Mandatory OPTIONS:\n"
+ " -i, --interface Eth interfaces (comma-separated, no spaces)\n"
+ " -t, --type 1: ODP_PKTIO_TYPE_SOCKET_BASIC\n"
+ " 2: ODP_PKTIO_TYPE_SOCKET_MMSG\n"
+ " 3: ODP_PKTIO_TYPE_SOCKET_MMAP\n"
+ " 4: ODP_PKTIO_TYPE_NETMAP\n"
+ " Default: 3: ODP_PKTIO_TYPE_SOCKET_MMAP\n"
+ " -f, --fanout 0: off 1: on (Default 1: on)\n"
+ " -m, --mode 0: SYNC\n"
+ " 1: ASYNC_IN_PLACE\n"
+ " 2: ASYNC_NEW_BUFFER\n"
+ " Default: 0: SYNC api mode\n"
+ "\n"
+ "Routing / IPSec OPTIONS:\n"
+ " -r, --route SubNet:Intf:NextHopMAC\n"
+ " -p, --policy SrcSubNet:DstSubNet:(in|out):(ah|esp|both)\n"
+ " -e, --esp SrcIP:DstIP:(3des|null):SPI:Key192\n"
+ " -a, --ah SrcIP:DstIP:(md5|null):SPI:Key128\n"
+ "\n"
+ " Where: NextHopMAC is raw hex/dot notation, i.e.
03.BA.44.9A.CE.02\n"
+ " IP is decimal/dot notation, i.e. 192.168.1.1\n"
+ " SubNet is decimal/dot/slash notation, i.e
192.168.0.0/16\n"
+ " SPI is raw hex, 32 bits\n"
+ " KeyXXX is raw hex, XXX bits long\n"
+ "\n"
+ " Examples:\n"
+ " -r 192.168.222.0/24:p8p1:08.00.27.F5.8B.DB\n"
+ " -p 192.168.111.0/24:192.168.222.0/24:out:esp\n"
+ " -e
192.168.111.2:192.168.222.2:3des:201:656c8523255ccc23a66c1917aa0cf30991fce83532a4b224\n"
+ " -a
192.168.111.2:192.168.222.2:md5:201:a731649644c5dee92cbd9c2e7e188ee6\n"
+ "\n"
+ "Optional OPTIONS\n"
+ " -c, --count <number> Core count.\n"
+ " -h, --help Display help and exit.\n"
+ "\n", NO_PATH(progname), NO_PATH(progname)
+ );
+}
--
1.7.7.6
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