From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mailout3.w1.samsung.com (mailout3.w1.samsung.com [210.118.77.13]) by dpdk.org (Postfix) with ESMTP id 4F5E73792 for ; Wed, 9 Sep 2015 16:22:38 +0200 (CEST) Received: from eucpsbgm2.samsung.com (unknown [203.254.199.245]) by mailout3.w1.samsung.com (Oracle Communications Messaging Server 7.0.5.31.0 64bit (built May 5 2014)) with ESMTP id <0NUE00EGKYLOXZ70@mailout3.w1.samsung.com> for dev@dpdk.org; Wed, 09 Sep 2015 15:22:36 +0100 (BST) X-AuditID: cbfec7f5-f794b6d000001495-99-55f040acb45d Received: from eusync4.samsung.com ( [203.254.199.214]) by eucpsbgm2.samsung.com (EUCPMTA) with SMTP id 3A.A5.05269.CA040F55; Wed, 9 Sep 2015 15:22:36 +0100 (BST) Received: from imaximets.rnd.samsung.ru ([106.109.129.180]) by eusync4.samsung.com (Oracle Communications Messaging Server 7.0.5.31.0 64bit (built May 5 2014)) with ESMTPA id <0NUE00IBXYLJSJ50@eusync4.samsung.com>; Wed, 09 Sep 2015 15:22:36 +0100 (BST) From: Ilya Maximets To: dev@dpdk.org, Keith Wiles Date: Wed, 09 Sep 2015 17:22:17 +0300 Message-id: <1441808537-28739-1-git-send-email-i.maximets@samsung.com> X-Mailer: git-send-email 2.1.4 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrMJMWRmVeSWpSXmKPExsVy+t/xa7prHD6EGkzvkrB492k7k8WV9p/s FlePf2e2mDxbyoHF49eCpawei/e8ZPLo27KKMYA5issmJTUnsyy1SN8ugStj0ZttzAUtRRXv J/QxNTBuje9i5OSQEDCR2PZwJiOELSZx4d56ti5GLg4hgaWMEm0PNkA5rUwSnRPXMoNUsQno SJxafQSsQ0TAVOLqvPWsIDazQIDEln/9LCC2sICXxMGXf9hAbBYBVYmv7/vB6nkF3CTa9ixn htgmJ3H++E/mCYzcCxgZVjGKppYmFxQnpeca6RUn5haX5qXrJefnbmKEeP3rDsalx6wOMQpw MCrx8E5oeR8qxJpYVlyZe4hRgoNZSYQ3xfpDqBBvSmJlVWpRfnxRaU5q8SFGaQ4WJXHembve hwgJpCeWpGanphakFsFkmTg4pRoYrc0D3VxO7TQwveR4mMmwILraOD5T+d6ztqR0hRPflt/f lXfIu7DEeQvDY9cLcxnSsmP/LN3L5MWcvzjZYu9x87QNXEtP3PTxtVpyNzzk0Nl999vv/20J np3kcWDzkT831M39NR9cePPlC7tgZcYyrrfrhVRLJc1Vcj553vT/p7ud32HegUWWSizFGYmG WsxFxYkA8FRAlvYBAAA= Cc: Ilya Maximets , Dyasly Sergey Subject: [dpdk-dev] [Pktgen] [PATCH] pktgen_setup_packets: fix race for packet header X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 09 Sep 2015 14:22:38 -0000 While pktgen_setup_packets() all threads of one port uses same info->seq_pkt. This leads to constructing packets in the same memory region (&pkt->hdr). As a result, pktgen_setup_packets generates random headers. Fix that by making a local copy of info->seq_pkt and using it for constructing of packets. Signed-off-by: Ilya Maximets --- app/pktgen-arp.c | 2 +- app/pktgen-cmds.c | 40 ++++++++++++++++++++-------------------- app/pktgen-ipv4.c | 2 +- app/pktgen.c | 39 +++++++++++++++++++++++++++------------ app/pktgen.h | 4 ++-- app/t/pktgen.t.c | 6 +++--- 6 files changed, 54 insertions(+), 39 deletions(-) diff --git a/app/pktgen-arp.c b/app/pktgen-arp.c index c378880..b7040d7 100644 --- a/app/pktgen-arp.c +++ b/app/pktgen-arp.c @@ -190,7 +190,7 @@ pktgen_process_arp( struct rte_mbuf * m, uint32_t pid, uint32_t vlan ) rte_memcpy(&pkt->eth_dst_addr, &arp->sha, 6); for (i = 0; i < info->seqCnt; i++) - pktgen_packet_ctor(info, i, -1); + pktgen_packet_ctor(info, i, -1, NULL); } // Swap the two MAC addresses diff --git a/app/pktgen-cmds.c b/app/pktgen-cmds.c index da040e5..a6abb41 100644 --- a/app/pktgen-cmds.c +++ b/app/pktgen-cmds.c @@ -931,7 +931,7 @@ pktgen_set_proto(port_info_t * info, char type) if ( type == 'i' ) info->seq_pkt[SINGLE_PKT].ethType = ETHER_TYPE_IPv4; - pktgen_packet_ctor(info, SINGLE_PKT, -1); + pktgen_packet_ctor(info, SINGLE_PKT, -1, NULL); } /**************************************************************************//** @@ -1067,7 +1067,7 @@ pktgen_set_pkt_type(port_info_t * info, const char * type) (type[3] == '6') ? ETHER_TYPE_IPv6 : /* TODO print error: unknown type */ ETHER_TYPE_IPv4; - pktgen_packet_ctor(info, SINGLE_PKT, -1); + pktgen_packet_ctor(info, SINGLE_PKT, -1, NULL); } /**************************************************************************//** @@ -1092,7 +1092,7 @@ pktgen_set_vlan(port_info_t * info, uint32_t onOff) } else pktgen_clr_port_flags(info, SEND_VLAN_ID); - pktgen_packet_ctor(info, SINGLE_PKT, -1); + pktgen_packet_ctor(info, SINGLE_PKT, -1, NULL); } /**************************************************************************//** @@ -1112,7 +1112,7 @@ pktgen_set_vlanid(port_info_t * info, uint16_t vlanid) { info->vlanid = vlanid; info->seq_pkt[SINGLE_PKT].vlanid = info->vlanid; - pktgen_packet_ctor(info, SINGLE_PKT, -1); + pktgen_packet_ctor(info, SINGLE_PKT, -1, NULL); } /**************************************************************************//** @@ -1137,7 +1137,7 @@ pktgen_set_mpls(port_info_t * info, uint32_t onOff) } else pktgen_clr_port_flags(info, SEND_MPLS_LABEL); - pktgen_packet_ctor(info, SINGLE_PKT, -1); + pktgen_packet_ctor(info, SINGLE_PKT, -1, NULL); } /**************************************************************************//** @@ -1157,7 +1157,7 @@ pktgen_set_mpls_entry(port_info_t * info, uint32_t mpls_entry) { info->mpls_entry = mpls_entry; info->seq_pkt[SINGLE_PKT].mpls_entry = info->mpls_entry; - pktgen_packet_ctor(info, SINGLE_PKT, -1); + pktgen_packet_ctor(info, SINGLE_PKT, -1, NULL); } /**************************************************************************//** @@ -1182,7 +1182,7 @@ pktgen_set_qinq(port_info_t * info, uint32_t onOff) } else pktgen_clr_port_flags(info, SEND_Q_IN_Q_IDS); - pktgen_packet_ctor(info, SINGLE_PKT, -1); + pktgen_packet_ctor(info, SINGLE_PKT, -1, NULL); } /**************************************************************************//** @@ -1204,7 +1204,7 @@ pktgen_set_qinqids(port_info_t * info, uint16_t outerid, uint16_t innerid) info->seq_pkt[SINGLE_PKT].qinq_outerid = info->qinq_outerid; info->qinq_innerid = innerid; info->seq_pkt[SINGLE_PKT].qinq_innerid = info->qinq_innerid; - pktgen_packet_ctor(info, SINGLE_PKT, -1); + pktgen_packet_ctor(info, SINGLE_PKT, -1, NULL); } /**************************************************************************//** @@ -1228,7 +1228,7 @@ pktgen_set_gre(port_info_t * info, uint32_t onOff) } else pktgen_clr_port_flags(info, SEND_GRE_IPv4_HEADER); - pktgen_packet_ctor(info, SINGLE_PKT, -1); + pktgen_packet_ctor(info, SINGLE_PKT, -1, NULL); } /**************************************************************************//** @@ -1252,7 +1252,7 @@ pktgen_set_gre_eth(port_info_t * info, uint32_t onOff) } else pktgen_clr_port_flags(info, SEND_GRE_ETHER_HEADER); - pktgen_packet_ctor(info, SINGLE_PKT, -1); + pktgen_packet_ctor(info, SINGLE_PKT, -1, NULL); } /**************************************************************************//** @@ -1272,7 +1272,7 @@ pktgen_set_gre_key(port_info_t * info, uint32_t gre_key) { info->gre_key = gre_key; info->seq_pkt[SINGLE_PKT].gre_key = info->gre_key; - pktgen_packet_ctor(info, SINGLE_PKT, -1); + pktgen_packet_ctor(info, SINGLE_PKT, -1, NULL); } /**************************************************************************//** @@ -1401,7 +1401,7 @@ void pktgen_port_defaults(uint32_t pid, uint8_t seq) memset(&pkt->eth_dst_addr, 0, sizeof (pkt->eth_dst_addr)); - pktgen_packet_ctor(info, seq, -1); + pktgen_packet_ctor(info, seq, -1, NULL); pktgen.flags |= PRINT_LABELS_FLAG; } @@ -1423,7 +1423,7 @@ void pktgen_ping4(port_info_t * info) memcpy(&info->seq_pkt[PING_PKT], &info->seq_pkt[SINGLE_PKT], sizeof(pkt_seq_t)); info->seq_pkt[PING_PKT].ipProto = PG_IPPROTO_ICMP; - pktgen_packet_ctor(info, PING_PKT, ICMP4_ECHO); + pktgen_packet_ctor(info, PING_PKT, ICMP4_ECHO, NULL); pktgen_set_port_flags(info, SEND_PING4_REQUEST); } @@ -1445,7 +1445,7 @@ void pktgen_ping6(port_info_t * info) memcpy(&info->pkt[PING_PKT], &info->pkt[SINGLE_PKT], sizeof(pkt_seq_t)); info->pkt[PING_PKT].ipProto = PG_IPPROTO_ICMP; - pktgen_packet_ctor(info, PING_PKT, ICMP6_ECHO); + pktgen_packet_ctor(info, PING_PKT, ICMP6_ECHO, NULL); pktgen_set_port_flags(info, SEND_PING6_REQUEST); } #endif @@ -1645,7 +1645,7 @@ void pktgen_set_pkt_size(port_info_t * info, uint32_t size) else if ( (size - FCS_SIZE) > MAX_PKT_SIZE) size = MAX_PKT_SIZE + FCS_SIZE; info->seq_pkt[SINGLE_PKT].pktSize = (size - FCS_SIZE); - pktgen_packet_ctor(info, SINGLE_PKT, -1); + pktgen_packet_ctor(info, SINGLE_PKT, -1, NULL); pktgen_packet_rate(info); } @@ -1667,7 +1667,7 @@ void pktgen_set_port_value(port_info_t * info, char type, uint32_t portValue) info->seq_pkt[SINGLE_PKT].dport = (uint16_t)portValue; else info->seq_pkt[SINGLE_PKT].sport = (uint16_t)portValue; - pktgen_packet_ctor(info, SINGLE_PKT, -1); + pktgen_packet_ctor(info, SINGLE_PKT, -1, NULL); } /**************************************************************************//** @@ -1711,7 +1711,7 @@ void pktgen_set_ipaddr(port_info_t * info, char type, cmdline_ipaddr_t * ip) info->seq_pkt[SINGLE_PKT].ip_src_addr = ntohl(ip->addr.ipv4.s_addr); } else info->seq_pkt[SINGLE_PKT].ip_dst_addr = ntohl(ip->addr.ipv4.s_addr); - pktgen_packet_ctor(info, SINGLE_PKT, -1); + pktgen_packet_ctor(info, SINGLE_PKT, -1, NULL); } /**************************************************************************//** @@ -1729,7 +1729,7 @@ void pktgen_set_ipaddr(port_info_t * info, char type, cmdline_ipaddr_t * ip) void pktgen_set_dst_mac(port_info_t * info, cmdline_etheraddr_t * mac) { memcpy(&info->seq_pkt[SINGLE_PKT].eth_dst_addr, mac->mac, 6); - pktgen_packet_ctor(info, SINGLE_PKT, -1); + pktgen_packet_ctor(info, SINGLE_PKT, -1, NULL); } /**************************************************************************//** @@ -2111,7 +2111,7 @@ void pktgen_set_seq(port_info_t * info, uint32_t seqnum, type = '4'; pkt->ethType = (type == '6')? ETHER_TYPE_IPv6 : ETHER_TYPE_IPv4; pkt->vlanid = vlanid; - pktgen_packet_ctor(info, seqnum, -1); + pktgen_packet_ctor(info, seqnum, -1, NULL); } /**************************************************************************//** @@ -2156,7 +2156,7 @@ void pktgen_compile_pkt(port_info_t * info, uint32_t seqnum, (type == '6')? ETHER_TYPE_IPv6 : (type == 'n')? ETHER_TYPE_VLAN : ETHER_TYPE_IPv4; pkt->vlanid = vlanid; - pktgen_packet_ctor(info, seqnum, -1); + pktgen_packet_ctor(info, seqnum, -1, NULL); } /**************************************************************************//** diff --git a/app/pktgen-ipv4.c b/app/pktgen-ipv4.c index 7813c36..a8b6be2 100644 --- a/app/pktgen-ipv4.c +++ b/app/pktgen-ipv4.c @@ -138,7 +138,7 @@ pktgen_send_ping4( uint32_t pid, uint8_t seq_idx ) return; } *ppkt = *spkt; // Copy the sequence setup to the ping setup. - pktgen_packet_ctor(info, PING_PKT, ICMP4_ECHO); + pktgen_packet_ctor(info, PING_PKT, ICMP4_ECHO, NULL); rte_memcpy((uint8_t *)m->buf_addr + m->data_off, (uint8_t *)&ppkt->hdr, ppkt->pktSize); m->pkt_len = ppkt->pktSize; diff --git a/app/pktgen.c b/app/pktgen.c index 2dcdbfd..ecd4560 100644 --- a/app/pktgen.c +++ b/app/pktgen.c @@ -401,8 +401,8 @@ static __inline__ int pktgen_has_work(void) { */ void -pktgen_packet_ctor(port_info_t * info, int32_t seq_idx, int32_t type) { - pkt_seq_t * pkt = &info->seq_pkt[seq_idx]; +pktgen_packet_ctor(port_info_t * info, int32_t seq_idx, int32_t type, pkt_seq_t * seq_pkt) { + pkt_seq_t * pkt = (seq_pkt == NULL) ? &info->seq_pkt[seq_idx] : &seq_pkt[seq_idx]; struct ether_hdr * eth = (struct ether_hdr *)&pkt->hdr.eth; uint16_t tlen; @@ -812,22 +812,35 @@ static __inline__ void pktgen_setup_packets(port_info_t * info, struct rte_mempool * mp, uint16_t qid) { struct rte_mbuf * m, * mm; - pkt_seq_t * pkt; + pkt_seq_t * pkt, * seq_pkt = NULL; + uint16_t seqIdx; + char buff[RTE_MEMZONE_NAMESIZE]; pktgen_clr_q_flags(info, qid, CLEAR_FAST_ALLOC_FLAG); if ( mp == info->q[qid].pcap_mp ) return; + snprintf(buff, sizeof(buff), "tmp_seq_pkt_%d_%d", info->pid, qid); + seq_pkt = (pkt_seq_t *)rte_zmalloc(buff, + (sizeof(pkt_seq_t) * NUM_TOTAL_PKTS), RTE_CACHE_LINE_SIZE); + if (seq_pkt == NULL) + pktgen_log_panic("Unable to allocate %d pkt_seq_t headers", + NUM_TOTAL_PKTS); + /* Copy global configuration to construct new packets locally */ + rte_memcpy((uint8_t *)seq_pkt, (uint8_t *)info->seq_pkt, + sizeof(pkt_seq_t) * NUM_TOTAL_PKTS); + seqIdx = info->seqIdx; + mm = NULL; pkt = NULL; if ( mp == info->q[qid].tx_mp ) - pkt = &info->seq_pkt[SINGLE_PKT]; + pkt = &seq_pkt[SINGLE_PKT]; else if ( mp == info->q[qid].range_mp ) - pkt = &info->seq_pkt[RANGE_PKT]; + pkt = &seq_pkt[RANGE_PKT]; else if ( mp == info->q[qid].seq_mp ) - pkt = &info->seq_pkt[info->seqIdx]; + pkt = &seq_pkt[seqIdx]; // allocate each mbuf and put them on a list to be freed. for(;;) { @@ -840,7 +853,7 @@ pktgen_setup_packets(port_info_t * info, struct rte_mempool * mp, uint16_t qid) mm = m; if ( mp == info->q[qid].tx_mp ) { - pktgen_packet_ctor(info, SINGLE_PKT, -1); + pktgen_packet_ctor(info, SINGLE_PKT, -1, seq_pkt); rte_memcpy((uint8_t *)m->buf_addr + m->data_off, (uint8_t *)&pkt->hdr, MAX_PKT_SIZE); @@ -848,16 +861,16 @@ pktgen_setup_packets(port_info_t * info, struct rte_mempool * mp, uint16_t qid) m->data_len = pkt->pktSize; } else if ( mp == info->q[qid].range_mp ) { pktgen_range_ctor(&info->range, pkt); - pktgen_packet_ctor(info, RANGE_PKT, -1); + pktgen_packet_ctor(info, RANGE_PKT, -1, seq_pkt); rte_memcpy((uint8_t *)m->buf_addr + m->data_off, (uint8_t *)&pkt->hdr, MAX_PKT_SIZE); m->pkt_len = pkt->pktSize; m->data_len = pkt->pktSize; } else if ( mp == info->q[qid].seq_mp ) { - pktgen_packet_ctor(info, info->seqIdx++, -1); - if ( unlikely(info->seqIdx >= info->seqCnt) ) - info->seqIdx = 0; + pktgen_packet_ctor(info, seqIdx++, -1, seq_pkt); + if ( unlikely(seqIdx >= info->seqCnt) ) + seqIdx = 0; rte_memcpy((uint8_t *)m->buf_addr + m->data_off, (uint8_t *)&pkt->hdr, MAX_PKT_SIZE); @@ -865,12 +878,14 @@ pktgen_setup_packets(port_info_t * info, struct rte_mempool * mp, uint16_t qid) m->data_len = pkt->pktSize; // move to the next packet in the sequence. - pkt = &info->seq_pkt[info->seqIdx]; + pkt = &seq_pkt[seqIdx]; } } if ( mm != NULL ) rte_pktmbuf_free(mm); + + rte_free(seq_pkt); } /**************************************************************************//** diff --git a/app/pktgen.h b/app/pktgen.h index 2c5c98c..f3f76f2 100644 --- a/app/pktgen.h +++ b/app/pktgen.h @@ -151,7 +151,7 @@ #include "pktgen-port-cfg.h" #include "pktgen-capture.h" #include "pktgen-log.h" - +#include "pktgen-seq.h" #define PKTGEN_VERSION "2.9.2" #define PKTGEN_APP_NAME "Pktgen" @@ -386,7 +386,7 @@ extern pktgen_t pktgen; extern void pktgen_page_display(__attribute__((unused)) struct rte_timer *tim, __attribute__((unused)) void *arg); -extern void pktgen_packet_ctor(port_info_t * info, int32_t seq_idx, int32_t type); +extern void pktgen_packet_ctor(port_info_t * info, int32_t seq_idx, int32_t type, pkt_seq_t * seq_pkt); extern void pktgen_packet_rate(port_info_t * info); extern void pktgen_send_mbuf(struct rte_mbuf *m, uint8_t pid, uint16_t qid); diff --git a/app/t/pktgen.t.c b/app/t/pktgen.t.c index 0eca4c4..77bf300 100644 --- a/app/t/pktgen.t.c +++ b/app/t/pktgen.t.c @@ -77,7 +77,7 @@ void test_pktgen_packet_ctor_IPv4_UDP(void) }; - lives_ok( { pktgen_packet_ctor(&info, 0, 0); }, "pktgen_packet_ctor must generate IPv4/UDP"); + lives_ok( { pktgen_packet_ctor(&info, 0, 0, NULL); }, "pktgen_packet_ctor must generate IPv4/UDP"); note("... with Ethernet header"); cmp_mem_lit_incr(data, (0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd), " ... with correct dest MAC"); @@ -133,9 +133,9 @@ void test_pktgen_packet_ctor_IPv4_GRE_Ether(void) .pktSize = 102, // Subtract 4 for FCS }; - pktgen_packet_ctor(&info, 0, 0); + pktgen_packet_ctor(&info, 0, 0, NULL); - lives_ok( { pktgen_packet_ctor(&info, 0, 0); }, "pktgen_packet_ctor must generate IPv4 GRE Ethernet frame"); + lives_ok( { pktgen_packet_ctor(&info, 0, 0, NULL); }, "pktgen_packet_ctor must generate IPv4 GRE Ethernet frame"); note("... with outer Ethernet header"); cmp_mem_lit_incr(data, (0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd), " ... with correct dest MAC"); -- 2.1.4