| /* |
| * |
| * (C) 2005-10 - Luca Deri <deri@ntop.org> |
| * |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software Foundation, |
| * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| * |
| * VLAN support courtesy of Vincent Magnin <vincent.magnin@ci.unil.ch> |
| * |
| */ |
| |
| #define _GNU_SOURCE |
| #include <signal.h> |
| #include <sched.h> |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <fcntl.h> |
| #include <string.h> |
| #include <unistd.h> |
| #include <sys/mman.h> |
| #include <errno.h> |
| #include <sys/poll.h> |
| #include <netinet/in_systm.h> |
| #include <netinet/in.h> |
| #include <netinet/ip.h> |
| #include <netinet/ip6.h> |
| #include <net/ethernet.h> /* the L2 protocols */ |
| #include <sys/time.h> |
| #include <time.h> |
| #include <sys/socket.h> |
| #include <arpa/inet.h> |
| |
| #include "pfring.h" |
| #include "pfutils.c" |
| |
| #define ALARM_SLEEP 1 |
| #define DEFAULT_SNAPLEN 128 |
| #define MAX_NUM_THREADS 64 |
| #define DEFAULT_DEVICE "eth0" |
| pfring *pd; |
| int verbose = 0, num_threads = 1; |
| pfring_stat pfringStats; |
| pthread_rwlock_t statsLock; |
| |
| static struct timeval startTime; |
| unsigned long long numPkts[MAX_NUM_THREADS] = { 0 }, numBytes[MAX_NUM_THREADS] = { 0 }; |
| u_int8_t wait_for_packet = 1, dna_mode = 0, do_shutdown = 0; |
| u_int8_t use_extended_pkt_header = 0; |
| |
| /* ******************************** */ |
| |
| void print_stats() { |
| pfring_stat pfringStat; |
| struct timeval endTime; |
| double deltaMillisec; |
| static u_int8_t print_all; |
| static u_int64_t lastPkts = 0; |
| u_int64_t diff; |
| static struct timeval lastTime; |
| |
| if(startTime.tv_sec == 0) { |
| gettimeofday(&startTime, NULL); |
| print_all = 0; |
| } else |
| print_all = 1; |
| |
| gettimeofday(&endTime, NULL); |
| deltaMillisec = delta_time(&endTime, &startTime); |
| |
| if(pfring_stats(pd, &pfringStat) >= 0) { |
| double thpt; |
| int i; |
| unsigned long long nBytes = 0, nPkts = 0; |
| |
| for(i=0; i < num_threads; i++) { |
| nBytes += numBytes[i]; |
| nPkts += numPkts[i]; |
| } |
| |
| thpt = ((double)8*nBytes)/(deltaMillisec*1000); |
| |
| fprintf(stderr, "=========================\n" |
| "Absolute Stats: [%u pkts rcvd][%u pkts dropped]\n" |
| "Total Pkts=%u/Dropped=%.1f %%\n", |
| (unsigned int)pfringStat.recv, (unsigned int)pfringStat.drop, |
| (unsigned int)(pfringStat.recv+pfringStat.drop), |
| pfringStat.recv == 0 ? 0 : |
| (double)(pfringStat.drop*100)/(double)(pfringStat.recv+pfringStat.drop)); |
| fprintf(stderr, "%llu pkts - %llu bytes", nPkts, nBytes); |
| |
| if(print_all) |
| fprintf(stderr, " [%.1f pkt/sec - %.2f Mbit/sec]\n", |
| (double)(nPkts*1000)/deltaMillisec, thpt); |
| else |
| fprintf(stderr, "\n"); |
| |
| if(print_all && (lastTime.tv_sec > 0)) { |
| deltaMillisec = delta_time(&endTime, &lastTime); |
| diff = pfringStat.recv-lastPkts; |
| fprintf(stderr, "=========================\n" |
| "Actual Stats: %llu pkts [%.1f ms][%.1f pkt/sec]\n", |
| (long long unsigned int)diff, |
| deltaMillisec, ((double)diff/(double)(deltaMillisec/1000))); |
| } |
| |
| lastPkts = pfringStat.recv; |
| } |
| |
| lastTime.tv_sec = endTime.tv_sec, lastTime.tv_usec = endTime.tv_usec; |
| |
| fprintf(stderr, "=========================\n\n"); |
| } |
| |
| /* ******************************** */ |
| |
| void add_rule(u_int add_rule) { |
| #if 0 |
| hash_filtering_rule rule; |
| |
| memset(&rule, 0, sizeof(hash_filtering_rule)); |
| /* 09:40:01.158112 IP 192.168.1.233.2736 > 192.168.99.1.25: Flags [P.], seq 1070303040:1070303070, ack 3485710921, win 65461, length 30 */ |
| rule.proto = 6, rule.rule_id = 10; rule.rule_action = dont_forward_packet_and_stop_rule_evaluation; |
| rule.host4_peer_a = ntohl(inet_addr("192.168.1.233")); |
| rule.host4_peer_b = ntohl(inet_addr("192.168.99.1")); |
| |
| if(pfring_handle_hash_filtering_rule(pd, &rule, add_rule) < 0) |
| printf("pfring_add_hash_filtering_rule(1) failed\n"); |
| |
| rule.proto = 6, rule.rule_id = 11; rule.rule_action = dont_forward_packet_and_stop_rule_evaluation; |
| rule.host4_peer_a = ntohl(inet_addr("192.168.1.233")); |
| rule.host4_peer_b = ntohl(inet_addr("192.168.99.1")); |
| |
| if(pfring_handle_hash_filtering_rule(pd, &rule, add_rule) < 0) |
| printf("pfring_add_hash_filtering_rule(2) failed\n"); |
| #else |
| filtering_rule rule; |
| |
| memset(&rule, 0, sizeof(rule)); |
| |
| rule.rule_id = 5; |
| rule.rule_action = forward_packet_and_stop_rule_evaluation; |
| rule.core_fields.sport_low = 80, rule.core_fields.sport_high = 80; |
| |
| if(pfring_add_filtering_rule(pd, &rule) < 0) |
| printf("pfring_add_hash_filtering_rule(2) failed\n"); |
| else |
| printf("Rule added successfully...\n"); |
| #endif |
| } |
| |
| /* ******************************** */ |
| |
| void sigproc(int sig) { |
| static int called = 0; |
| |
| if(0) { |
| add_rule(0); |
| printf("Removing filter\n"); |
| } |
| |
| fprintf(stderr, "Leaving...\n"); |
| if(called) return; else called = 1; |
| do_shutdown = 1; |
| print_stats(); |
| |
| if(num_threads == 1) |
| pfring_close(pd); |
| |
| exit(0); |
| } |
| |
| /* ******************************** */ |
| |
| void my_sigalarm(int sig) { |
| print_stats(); |
| alarm(ALARM_SLEEP); |
| signal(SIGALRM, my_sigalarm); |
| } |
| |
| /* ****************************************************** */ |
| |
| static char hex[] = "0123456789ABCDEF"; |
| |
| char* etheraddr_string(const u_char *ep, char *buf) { |
| u_int i, j; |
| char *cp; |
| |
| cp = buf; |
| if ((j = *ep >> 4) != 0) |
| *cp++ = hex[j]; |
| else |
| *cp++ = '0'; |
| |
| *cp++ = hex[*ep++ & 0xf]; |
| |
| for(i = 5; (int)--i >= 0;) { |
| *cp++ = ':'; |
| if ((j = *ep >> 4) != 0) |
| *cp++ = hex[j]; |
| else |
| *cp++ = '0'; |
| |
| *cp++ = hex[*ep++ & 0xf]; |
| } |
| |
| *cp = '\0'; |
| return (buf); |
| } |
| |
| /* ****************************************************** */ |
| |
| /* |
| * A faster replacement for inet_ntoa(). |
| */ |
| char* _intoa(unsigned int addr, char* buf, u_short bufLen) { |
| char *cp, *retStr; |
| u_int byte; |
| int n; |
| |
| cp = &buf[bufLen]; |
| *--cp = '\0'; |
| |
| n = 4; |
| do { |
| byte = addr & 0xff; |
| *--cp = byte % 10 + '0'; |
| byte /= 10; |
| if (byte > 0) { |
| *--cp = byte % 10 + '0'; |
| byte /= 10; |
| if (byte > 0) |
| *--cp = byte + '0'; |
| } |
| *--cp = '.'; |
| addr >>= 8; |
| } while (--n > 0); |
| |
| /* Convert the string to lowercase */ |
| retStr = (char*)(cp+1); |
| |
| return(retStr); |
| } |
| |
| /* ************************************ */ |
| |
| char* intoa(unsigned int addr) { |
| static char buf[sizeof "ff:ff:ff:ff:ff:ff:255.255.255.255"]; |
| |
| return(_intoa(addr, buf, sizeof(buf))); |
| } |
| |
| /* ************************************ */ |
| |
| inline char* in6toa(struct in6_addr addr6) { |
| static char buf[sizeof "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff"]; |
| |
| snprintf(buf, sizeof(buf), |
| "%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x", |
| addr6.s6_addr[0], addr6.s6_addr[1], addr6.s6_addr[2], |
| addr6.s6_addr[3], addr6.s6_addr[4], addr6.s6_addr[5], addr6.s6_addr[6], |
| addr6.s6_addr[7], addr6.s6_addr[8], addr6.s6_addr[9], addr6.s6_addr[10], |
| addr6.s6_addr[11], addr6.s6_addr[12], addr6.s6_addr[13], addr6.s6_addr[14], |
| addr6.s6_addr[15]); |
| |
| return(buf); |
| } |
| |
| /* ****************************************************** */ |
| |
| char* proto2str(u_short proto) { |
| static char protoName[8]; |
| |
| switch(proto) { |
| case IPPROTO_TCP: return("TCP"); |
| case IPPROTO_UDP: return("UDP"); |
| case IPPROTO_ICMP: return("ICMP"); |
| default: |
| snprintf(protoName, sizeof(protoName), "%d", proto); |
| return(protoName); |
| } |
| } |
| |
| /* ****************************************************** */ |
| |
| static int32_t thiszone; |
| |
| void dummyProcesssPacket(const struct pfring_pkthdr *h, const u_char *p, long threadId) { |
| if(verbose) { |
| struct ether_header *ehdr; |
| char buf1[32], buf2[32]; |
| int s; |
| uint usec; |
| uint nsec=0; |
| |
| if(h->ts.tv_sec == 0) { |
| memset((void*)&h->extended_hdr.parsed_pkt, 0, sizeof(struct pkt_parsing_info)); |
| pfring_parse_pkt((u_char*)p, (struct pfring_pkthdr*)h, 5, 1, 1); |
| } |
| |
| s = (h->ts.tv_sec + thiszone) % 86400; |
| |
| if(h->extended_hdr.timestamp_ns) { |
| /* be careful with drifts mixing sys time and hw timestamp */ |
| usec = (h->extended_hdr.timestamp_ns / 1000) % 1000000; |
| nsec = h->extended_hdr.timestamp_ns % 1000; |
| } else { |
| usec = h->ts.tv_usec; |
| } |
| |
| printf("%02d:%02d:%02d.%06u%03u ", |
| s / 3600, (s % 3600) / 60, s % 60, |
| usec, nsec); |
| |
| ehdr = (struct ether_header *) p; |
| |
| if(use_extended_pkt_header) { |
| |
| printf("%s[if_index=%d]", |
| h->extended_hdr.rx_direction ? "[RX]" : "[TX]", |
| h->extended_hdr.if_index); |
| |
| printf("[%s -> %s] ", |
| etheraddr_string(h->extended_hdr.parsed_pkt.smac, buf1), |
| etheraddr_string(h->extended_hdr.parsed_pkt.dmac, buf2)); |
| |
| if(h->extended_hdr.parsed_pkt.offset.vlan_offset) |
| printf("[vlan %u] ", h->extended_hdr.parsed_pkt.vlan_id); |
| |
| if (h->extended_hdr.parsed_pkt.eth_type == 0x0800 /* IPv4*/ || h->extended_hdr.parsed_pkt.eth_type == 0x86DD /* IPv6*/) { |
| |
| if(h->extended_hdr.parsed_pkt.eth_type == 0x0800 /* IPv4*/ ) { |
| printf("[IPv4][%s:%d ", intoa(h->extended_hdr.parsed_pkt.ipv4_src), h->extended_hdr.parsed_pkt.l4_src_port); |
| printf("-> %s:%d] ", intoa(h->extended_hdr.parsed_pkt.ipv4_dst), h->extended_hdr.parsed_pkt.l4_dst_port); |
| } else { |
| printf("[IPv6][%s:%d ", in6toa(h->extended_hdr.parsed_pkt.ipv6_src), h->extended_hdr.parsed_pkt.l4_src_port); |
| printf("-> %s:%d] ", in6toa(h->extended_hdr.parsed_pkt.ipv6_dst), h->extended_hdr.parsed_pkt.l4_dst_port); |
| } |
| |
| printf("[l3_proto=%s]", proto2str(h->extended_hdr.parsed_pkt.l3_proto)); |
| |
| if(h->extended_hdr.parsed_pkt.tunnel.tunnel_id != NO_TUNNEL_ID) { |
| printf("[TEID=0x%08X][tunneled_proto=%s]", |
| h->extended_hdr.parsed_pkt.tunnel.tunnel_id, |
| proto2str(h->extended_hdr.parsed_pkt.tunnel.tunneled_proto)); |
| |
| if(h->extended_hdr.parsed_pkt.eth_type == 0x0800 /* IPv4*/ ) { |
| printf("[IPv4][%s:%d ", |
| intoa(h->extended_hdr.parsed_pkt.tunnel.tunneled_ip_src.v4), |
| h->extended_hdr.parsed_pkt.tunnel.tunneled_l4_src_port); |
| printf("-> %s:%d] ", |
| intoa(h->extended_hdr.parsed_pkt.tunnel.tunneled_ip_dst.v4), |
| h->extended_hdr.parsed_pkt.tunnel.tunneled_l4_dst_port); |
| } else { |
| printf("[IPv6][%s:%d ", |
| in6toa(h->extended_hdr.parsed_pkt.tunnel.tunneled_ip_src.v6), |
| h->extended_hdr.parsed_pkt.tunnel.tunneled_l4_src_port); |
| printf("-> %s:%d] ", |
| in6toa(h->extended_hdr.parsed_pkt.tunnel.tunneled_ip_dst.v6), |
| h->extended_hdr.parsed_pkt.tunnel.tunneled_l4_dst_port); |
| } |
| } |
| |
| printf("[hash=%u][tos=%d][tcp_seq_num=%u]", |
| h->extended_hdr.pkt_hash, |
| h->extended_hdr.parsed_pkt.ipv4_tos, |
| h->extended_hdr.parsed_pkt.tcp.seq_num); |
| |
| } else { |
| if(h->extended_hdr.parsed_pkt.eth_type == 0x0806 /* ARP */) |
| printf("[ARP]"); |
| else |
| printf("[eth_type=0x%04X]", h->extended_hdr.parsed_pkt.eth_type); |
| } |
| |
| printf(" [caplen=%d][len=%d][parsed_header_len=%d][eth_offset=%d][l3_offset=%d][l4_offset=%d][payload_offset=%d]\n", |
| h->caplen, h->len, h->extended_hdr.parsed_header_len, |
| h->extended_hdr.parsed_pkt.offset.eth_offset, |
| h->extended_hdr.parsed_pkt.offset.l3_offset, |
| h->extended_hdr.parsed_pkt.offset.l4_offset, |
| h->extended_hdr.parsed_pkt.offset.payload_offset); |
| |
| } else { |
| printf("[%s -> %s][eth_type=0x%04X][caplen=%d][len=%d] (use -m for details)\n", |
| etheraddr_string(ehdr->ether_shost, buf1), |
| etheraddr_string(ehdr->ether_dhost, buf2), |
| ntohs(ehdr->ether_type), |
| h->caplen, h->len); |
| } |
| } |
| |
| numPkts[threadId]++, numBytes[threadId] += h->len; |
| } |
| |
| /* *************************************** */ |
| |
| int32_t gmt2local(time_t t) { |
| int dt, dir; |
| struct tm *gmt, *loc; |
| struct tm sgmt; |
| |
| if (t == 0) |
| t = time(NULL); |
| gmt = &sgmt; |
| *gmt = *gmtime(&t); |
| loc = localtime(&t); |
| dt = (loc->tm_hour - gmt->tm_hour) * 60 * 60 + |
| (loc->tm_min - gmt->tm_min) * 60; |
| |
| /* |
| * If the year or julian day is different, we span 00:00 GMT |
| * and must add or subtract a day. Check the year first to |
| * avoid problems when the julian day wraps. |
| */ |
| dir = loc->tm_year - gmt->tm_year; |
| if (dir == 0) |
| dir = loc->tm_yday - gmt->tm_yday; |
| dt += dir * 24 * 60 * 60; |
| |
| return (dt); |
| } |
| |
| /* *************************************** */ |
| |
| void printHelp(void) { |
| printf("pfcount_82599\n(C) 2011-12 Deri Luca <deri@ntop.org>\n\n"); |
| printf("-h Print this help\n"); |
| printf("-i <device> Device name. Use device@channel for channels\n"); |
| printf("-n <threads> Number of polling threads (default %d)\n", num_threads); |
| |
| /* printf("-f <filter> [pfring filter]\n"); */ |
| |
| printf("-c <cluster id> cluster id\n"); |
| printf("-e <direction> 0=RX+TX, 1=RX only, 2=TX only\n"); |
| printf("-l <len> Capture length\n"); |
| printf("-a Active packet wait\n"); |
| printf("-v Verbose\n"); |
| } |
| |
| /* *************************************** */ |
| |
| void* packet_consumer_thread(void* _id) { |
| long thread_id = (long)_id; |
| u_int numCPU = sysconf( _SC_NPROCESSORS_ONLN ); |
| |
| if((num_threads > 1) && (numCPU > 1)) { |
| #ifdef HAVE_PTHREAD_SETAFFINITY_NP |
| int s; |
| /* Bind this thread to a specific core */ |
| cpu_set_t cpuset; |
| u_long core_id = thread_id % numCPU; |
| |
| CPU_ZERO(&cpuset); |
| CPU_SET(core_id, &cpuset); |
| if((s = pthread_setaffinity_np(pthread_self(), sizeof(cpu_set_t), &cpuset)) != 0) |
| printf("Error while binding thread %ld to core %ld: errno=%i\n", |
| thread_id, core_id, s); |
| else { |
| printf("Set thread %lu on core %lu/%u\n", thread_id, core_id, numCPU); |
| } |
| #endif |
| } |
| |
| while(1) { |
| struct simple_stats { |
| u_int64_t num_pkts, num_bytes; |
| }; |
| |
| u_char *buffer; |
| struct simple_stats stats; |
| struct pfring_pkthdr hdr; |
| int rc; |
| u_int len; |
| |
| if(do_shutdown) break; |
| |
| if(pfring_recv(pd, &buffer, 0, &hdr, wait_for_packet) > 0) { |
| if(do_shutdown) break; |
| dummyProcesssPacket(&hdr, buffer, thread_id); |
| |
| #ifdef TEST_SEND |
| buffer[0] = 0x99; |
| buffer[1] = 0x98; |
| buffer[2] = 0x97; |
| pfring_send(pd, buffer, hdr.caplen); |
| #endif |
| } |
| |
| if(0) { |
| len = sizeof(stats); |
| rc = pfring_get_filtering_rule_stats(pd, 5, (char*)&stats, &len); |
| if(rc < 0) |
| printf("pfring_get_filtering_rule_stats() failed [rc=%d]\n", rc); |
| else { |
| printf("[Pkts=%u][Bytes=%u]\n", |
| (unsigned int)stats.num_pkts, |
| (unsigned int)stats.num_bytes); |
| } |
| } |
| } |
| |
| return(NULL); |
| } |
| |
| /* *************************************** */ |
| |
| int main(int argc, char* argv[]) { |
| char *device = NULL, c; |
| int flags = PF_RING_PROMISC, snaplen = DEFAULT_SNAPLEN, rc; |
| u_int clusterId = 0; |
| packet_direction direction = rx_only_direction; |
| u_int16_t watermark = 0; |
| |
| #if 0 |
| struct sched_param schedparam; |
| |
| schedparam.sched_priority = 99; |
| if(sched_setscheduler(0, SCHED_FIFO, &schedparam) == -1) { |
| printf("error while setting the scheduler, errno=%i\n", errno); |
| exit(1); |
| } |
| |
| mlockall(MCL_CURRENT|MCL_FUTURE); |
| |
| #undef TEST_PROCESSOR_AFFINITY |
| #ifdef TEST_PROCESSOR_AFFINITY |
| { |
| unsigned long new_mask = 1; |
| unsigned int len = sizeof(new_mask); |
| unsigned long cur_mask; |
| pid_t p = 0; /* current process */ |
| int ret; |
| |
| ret = sched_getaffinity(p, len, NULL); |
| printf(" sched_getaffinity = %d, len = %u\n", ret, len); |
| |
| ret = sched_getaffinity(p, len, &cur_mask); |
| printf(" sched_getaffinity = %d, cur_mask = %08lx\n", ret, cur_mask); |
| |
| ret = sched_setaffinity(p, len, &new_mask); |
| printf(" sched_setaffinity = %d, new_mask = %08lx\n", ret, new_mask); |
| |
| ret = sched_getaffinity(p, len, &cur_mask); |
| printf(" sched_getaffinity = %d, cur_mask = %08lx\n", ret, cur_mask); |
| } |
| #endif |
| #endif |
| |
| startTime.tv_sec = 0; |
| thiszone = gmt2local(0); |
| |
| while((c = getopt(argc,argv,"hi:c:l:vae:n:w:m")) != '?') { |
| if((c == 255) || (c == -1)) break; |
| |
| switch(c) { |
| case 'h': |
| printHelp(); |
| return(0); |
| break; |
| case 'a': |
| wait_for_packet = 0; |
| break; |
| case 'e': |
| switch(atoi(optarg)) { |
| case rx_and_tx_direction: |
| case rx_only_direction: |
| case tx_only_direction: |
| direction = atoi(optarg); |
| break; |
| } |
| break; |
| case 'c': |
| clusterId = atoi(optarg); |
| break; |
| case 'l': |
| snaplen = atoi(optarg); |
| break; |
| case 'i': |
| device = strdup(optarg); |
| break; |
| case 'n': |
| num_threads = atoi(optarg); |
| break; |
| case 'v': |
| verbose = 1; |
| break; |
| case 'w': |
| watermark = atoi(optarg); |
| break; |
| case 'm': |
| use_extended_pkt_header = 1; |
| break; |
| } |
| } |
| |
| if(device == NULL) device = DEFAULT_DEVICE; |
| if(num_threads > MAX_NUM_THREADS) num_threads = MAX_NUM_THREADS; |
| |
| printf("Capturing from %s\n", device); |
| |
| if(num_threads > 0) |
| pthread_rwlock_init(&statsLock, NULL); |
| |
| if(num_threads > 1) flags |= PF_RING_REENTRANT; |
| if(use_extended_pkt_header) flags |= PF_RING_LONG_HEADER; |
| |
| pd = pfring_open(device, snaplen, flags | PF_RING_PROMISC | PF_RING_DNA_SYMMETRIC_RSS); |
| |
| if(pd == NULL) { |
| printf("pfring_open error [%s]\n", strerror(errno)); |
| return(-1); |
| } else { |
| u_int32_t version; |
| |
| pfring_set_application_name(pd, "pfcount_82599"); |
| pfring_version(pd, &version); |
| |
| printf("Using PF_RING v.%d.%d.%d\n", |
| (version & 0xFFFF0000) >> 16, |
| (version & 0x0000FF00) >> 8, |
| version & 0x000000FF); |
| } |
| |
| printf("# Device RX channels: %d\n", pfring_get_num_rx_channels(pd)); |
| printf("# Polling threads: %d\n", num_threads); |
| |
| if(clusterId > 0) { |
| rc = pfring_set_cluster(pd, clusterId, cluster_round_robin); |
| printf("pfring_set_cluster returned %d\n", rc); |
| } |
| |
| if((rc = pfring_set_direction(pd, direction)) != 0) |
| printf("pfring_set_direction returned %d (perhaps you use a direction other than rx only with DNA ?)\n", rc); |
| |
| if(watermark > 0) { |
| if((rc = pfring_set_poll_watermark(pd, watermark)) != 0) |
| printf("pfring_set_poll_watermark returned [rc=%d][watermark=%d]\n", rc, watermark); |
| } |
| |
| |
| if(0) { |
| int rc, rule_id = 0; |
| hw_filtering_rule rule; |
| intel_82599_five_tuple_filter_hw_rule *ft_rule; |
| |
| printf("### FTFQ Rule Example ###\n"); |
| |
| ft_rule = &rule.rule_family.five_tuple_rule; |
| |
| if(0) { |
| memset(&rule, 0, sizeof(rule)), rule.rule_family_type = intel_82599_five_tuple_rule; |
| rule.rule_id = rule_id++, ft_rule->queue_id = -1, ft_rule->proto = 17; /* udp */ |
| rc = pfring_add_hw_rule(pd, &rule); |
| if(rc != 0) |
| printf("pfring_add_hw_rule(%d) failed [rc=%d]\n", rule.rule_id, rc); |
| else |
| printf("pfring_add_hw_rule(%d) succeeded: dropping UDP traffic\n", rule.rule_id); |
| } |
| |
| if(0) { |
| memset(&rule, 0, sizeof(rule)), rule.rule_family_type = intel_82599_five_tuple_rule; |
| rule.rule_id = rule_id++, ft_rule->queue_id = -1, ft_rule->proto = 6; /* tcp */ |
| rc = pfring_add_hw_rule(pd, &rule); |
| if(rc != 0) |
| printf("pfring_add_hw_rule(%d) failed [rc=%d]\n", rule.rule_id, rc); |
| else |
| printf("pfring_add_hw_rule(%d) succeeded: dropping TCP traffic\n", rule.rule_id); |
| } |
| |
| if (0) { |
| memset(&rule, 0, sizeof(rule)), rule.rule_family_type = intel_82599_five_tuple_rule; |
| rule.rule_id = rule_id++, ft_rule->queue_id = -1, ft_rule->proto = 6, ft_rule->s_addr = ntohl(inet_addr("192.168.30.207")); |
| rc = pfring_add_hw_rule(pd, &rule); |
| if(rc != 0) |
| printf("pfring_add_hw_rule(%d) failed [rc=%d]\n", rule.rule_id, rc); |
| else |
| printf("pfring_add_hw_rule(%d) succeeded: dropping TCP traffic 192.168.30.207 -> *\n", rule.rule_id); |
| } |
| |
| if (0) { |
| memset(&rule, 0, sizeof(rule)), rule.rule_family_type = intel_82599_five_tuple_rule; |
| rule.rule_id = rule_id++, ft_rule->queue_id = -1, ft_rule->proto = 6, ft_rule->d_addr = ntohl(inet_addr("192.168.30.207")); |
| rc = pfring_add_hw_rule(pd, &rule); |
| if(rc != 0) |
| printf("pfring_add_hw_rule(%d) failed [rc=%d]\n", rule.rule_id, rc); |
| else |
| printf("pfring_add_hw_rule(%d) succeeded: dropping TCP traffic * -> 192.168.30.207\n", rule.rule_id); |
| } |
| |
| if (0) { |
| memset(&rule, 0, sizeof(rule)), rule.rule_family_type = intel_82599_five_tuple_rule; |
| rule.rule_id = rule_id++, ft_rule->queue_id = -1, ft_rule->proto = 0, ft_rule->d_addr = ntohl(inet_addr("192.168.30.207")); |
| rc = pfring_add_hw_rule(pd, &rule); |
| if(rc != 0) |
| printf("pfring_add_hw_rule(%d) failed [rc=%d]\n", rule.rule_id, rc); |
| else |
| printf("pfring_add_hw_rule(%d) succeeded: dropping non-TCP/UDP traffic * -> 192.168.30.207\n", rule.rule_id); |
| } |
| } |
| |
| if(1) { |
| int rc, rule_id = 0; |
| hw_filtering_rule rule; |
| intel_82599_perfect_filter_hw_rule *perfect_rule; |
| |
| printf("### Perfect Rule Example ###\n"); |
| /* |
| NOTE: |
| - valid protocols: UDP or TCP |
| */ |
| perfect_rule = &rule.rule_family.perfect_rule; |
| |
| if(1) { |
| memset(&rule, 0, sizeof(rule)), rule.rule_family_type = intel_82599_perfect_filter_rule; |
| rule.rule_id = rule_id++, perfect_rule->queue_id = -1, perfect_rule->proto = 6, |
| perfect_rule->s_addr = ntohl(inet_addr("192.168.30.207")); |
| rc = pfring_add_hw_rule(pd, &rule); |
| if(rc != 0) |
| printf("pfring_add_hw_rule(%d) failed [rc=%d]: did you enable the FlowDirector (ethtool -K ethX ntuple on)\n", rule.rule_id, rc); |
| else |
| printf("pfring_add_hw_rule(%d) succeeded: dropping TCP traffic 192.168.30.207:* -> *\n", rule.rule_id); |
| } |
| |
| |
| if (1) { |
| memset(&rule, 0, sizeof(rule)), rule.rule_family_type = intel_82599_perfect_filter_rule; |
| rule.rule_id = rule_id++, perfect_rule->queue_id = -1, perfect_rule->proto = 17, |
| perfect_rule->s_addr = ntohl(inet_addr("192.168.30.207")); |
| rc = pfring_add_hw_rule(pd, &rule); |
| if(rc != 0) |
| printf("pfring_add_hw_rule(%d) failed [rc=%d]: did you enable the FlowDirector (ethtool -K ethX ntuple on)\n", rule.rule_id, rc); |
| else |
| printf("pfring_add_hw_rule(%d) succeeded: dropping UDP traffic 192.168.30.207:* -> *\n", rule.rule_id); |
| } |
| } |
| |
| if(0) { |
| int rc, rule_id = 0; |
| hw_filtering_rule rule; |
| intel_82599_perfect_filter_hw_rule *perfect_rule; |
| |
| printf("### Perfect Rule Steering Example ###\n"); |
| /* |
| NOTE: |
| - valid protocols: UDP or TCP |
| */ |
| perfect_rule = &rule.rule_family.perfect_rule; |
| |
| if(1) { |
| memset(&rule, 0, sizeof(rule)), rule.rule_family_type = intel_82599_perfect_filter_rule; |
| rule.rule_id = rule_id++, perfect_rule->queue_id = 1, perfect_rule->proto = 17, |
| perfect_rule->s_addr = ntohl(inet_addr("5.6.7.9")); |
| rc = pfring_add_hw_rule(pd, &rule); |
| if(rc != 0) |
| printf("pfring_add_hw_rule(%d) failed [rc=%d]: did you enable the FlowDirector (insmod ixgbe.ko FdirMode=2)\n", rule.rule_id, rc); |
| else |
| printf("pfring_add_hw_rule(%d) succeeded: steering UDP traffic 5.6.7.9:* -> * to queue #1\n", rule.rule_id); |
| } |
| } |
| |
| signal(SIGINT, sigproc); |
| signal(SIGTERM, sigproc); |
| signal(SIGINT, sigproc); |
| |
| |
| if(!verbose) { |
| signal(SIGALRM, my_sigalarm); |
| alarm(ALARM_SLEEP); |
| } |
| |
| if(dna_mode) |
| num_threads = 1; |
| else { |
| if(num_threads > 1) wait_for_packet = 1; |
| } |
| |
| pfring_enable_ring(pd); |
| |
| if(0) { |
| filtering_rule rule; |
| |
| memset(&rule, 0, sizeof(rule)); |
| |
| rule.rule_id = 5; |
| rule.rule_action = forward_packet_and_stop_rule_evaluation; |
| rule.core_fields.sport_low = 80, rule.core_fields.sport_high = 80; |
| |
| if(pfring_add_filtering_rule(pd, &rule) < 0) |
| printf("pfring_add_hash_filtering_rule(2) failed\n"); |
| else |
| printf("Rule added successfully...\n"); |
| } |
| |
| if(0) { |
| filtering_rule rule; |
| |
| #define DUMMY_PLUGIN_ID 1 |
| |
| memset(&rule, 0, sizeof(rule)); |
| |
| rule.rule_id = 5; |
| rule.rule_action = forward_packet_and_stop_rule_evaluation; |
| rule.core_fields.proto = 6 /* tcp */; |
| // rule.plugin_action.plugin_id = DUMMY_PLUGIN_ID; /* Dummy plugin */ |
| // rule.extended_fields.filter_plugin_id = DUMMY_PLUGIN_ID; /* Enable packet parsing/filtering */ |
| |
| if(pfring_add_filtering_rule(pd, &rule) < 0) |
| printf("pfring_add_hash_filtering_rule(2) failed\n"); |
| else |
| printf("Rule added successfully...\n"); |
| } |
| |
| if(num_threads > 1) { |
| pthread_t my_thread; |
| long i; |
| |
| for(i=1; i<num_threads; i++) |
| pthread_create(&my_thread, NULL, packet_consumer_thread, (void*)i); |
| } |
| |
| packet_consumer_thread(0); |
| |
| pfring_close(pd); |
| |
| sleep(3); |
| |
| return(0); |
| } |