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From: Ilya Maximets <i.maximets@samsung.com>
To: "Wiles, Keith" <keith.wiles@intel.com>, "dev@dpdk.org" <dev@dpdk.org>
Cc: Dyasly Sergey <s.dyasly@samsung.com>
Subject: Re: [dpdk-dev] [Pktgen] [PATCH] pktgen_setup_packets: fix race for packet header
Date: Fri, 02 Oct 2015 12:23:58 +0300	[thread overview]
Message-ID: <560E4D2E.7080207@samsung.com> (raw)
In-Reply-To: <55FA55BF.6000005@samsung.com>

Ping.

On 17.09.2015 08:55, Ilya Maximets wrote:
> Ok. Thank you. I'll wait.
> 
> On 16.09.2015 18:37, Wiles, Keith wrote:
>> Thanks the patch looks fine, but I have not had a lot of time to review it
>> detail. I hope to get to it next week after I return back home.
>>
>> On 9/16/15, 2:09 AM, "Ilya Maximets" <i.maximets@samsung.com> wrote:
>>
>>> Ping.
>>>
>>> On 09.09.2015 17:22, Ilya Maximets wrote:
>>>> 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 <i.maximets@samsung.com>
>>>> ---
>>>>  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");
>>>>
>>>
>>
>>
>> ‹ 
>> Regards,
>> ++Keith
>> Intel Corporation
>>
>>
>>
>>

  reply	other threads:[~2015-10-02  9:24 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-09-09 14:22 Ilya Maximets
2015-09-16  9:09 ` Ilya Maximets
2015-09-16 15:37   ` Wiles, Keith
2015-09-17  5:55     ` Ilya Maximets
2015-10-02  9:23       ` Ilya Maximets [this message]
2015-10-02 11:25         ` Wiles, Keith
2015-10-12 14:09           ` Ilya Maximets

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