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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: DB9PR04MB8429.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 1f5f9cf2-24b3-428a-215a-08d9aea84516 X-MS-Exchange-CrossTenant-originalarrivaltime: 23 Nov 2021 17:39:58.5666 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: BMestBiUIAKLuh4nSKshuuaDgkpQOLwSrAXG1vtBC+Is77QHGJ9J6Nt98501p/Ch268XjQPU2CTM0fdnBTtcig== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DBAPR04MB7333 X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-bounces@dpdk.org Acked-by: Nipun Gupta > -----Original Message----- > From: vanshika.shukla@nxp.com > Sent: 22 November 2021 13:01 > To: dev@dpdk.org; thomas@monjalon.net > Cc: Nipun Gupta ; david.marchand@redhat.com; > stable@dpdk.org; Vanshika Shukla > Subject: [PATCH v2] examples/ptpclient: fix delay request message >=20 > From: Vanshika Shukla >=20 > The size of delay request message sent out by the DPDK > ptpclient application was observed to have extra length > than expected. Due to this, bad messages were observed > on the master side and delay response was not received. > This patch fixes this bug. >=20 > Fixes: ab129e9065a5 ("examples/ptpclient: add minimal PTP client") > Cc: stable@dpdk.org >=20 > Signed-off-by: Vanshika Shukla > --- > Changes in v2: > - Added a check on available size in allocated buffer > - Created the right type of pointer when sending DELAY_REQ packet >=20 > examples/ptpclient/ptpclient.c | 32 +++++++++++++++++++------------- > 1 file changed, 19 insertions(+), 13 deletions(-) >=20 > diff --git a/examples/ptpclient/ptpclient.c b/examples/ptpclient/ptpclien= t.c > index 354c7b2c90..de799f698b 100644 > --- a/examples/ptpclient/ptpclient.c > +++ b/examples/ptpclient/ptpclient.c > @@ -386,6 +386,7 @@ parse_fup(struct ptpv2_data_slave_ordinary *ptp_data) > struct ptp_header *ptp_hdr; > struct clock_id *client_clkid; > struct ptp_message *ptp_msg; > + struct delay_req_msg *req_msg; > struct rte_mbuf *created_pkt; > struct tstamp *origin_tstamp; > struct rte_ether_addr eth_multicast =3D ether_multicast; > @@ -423,7 +424,12 @@ parse_fup(struct ptpv2_data_slave_ordinary *ptp_data= ) >=20 > created_pkt =3D rte_pktmbuf_alloc(mbuf_pool); > pkt_size =3D sizeof(struct rte_ether_hdr) + > - sizeof(struct ptp_message); > + sizeof(struct delay_req_msg); > + > + if (rte_pktmbuf_append(created_pkt, pkt_size) =3D=3D NULL) { > + rte_pktmbuf_free(created_pkt); > + return; > + } > created_pkt->data_len =3D pkt_size; > created_pkt->pkt_len =3D pkt_size; > eth_hdr =3D rte_pktmbuf_mtod(created_pkt, struct rte_ether_hdr > *); > @@ -433,22 +439,22 @@ parse_fup(struct ptpv2_data_slave_ordinary > *ptp_data) > rte_ether_addr_copy(ð_multicast, ð_hdr->dst_addr); >=20 > eth_hdr->ether_type =3D htons(PTP_PROTOCOL); > - ptp_msg =3D (struct ptp_message *) > - (rte_pktmbuf_mtod(created_pkt, char *) + > - sizeof(struct rte_ether_hdr)); > - > - ptp_msg->delay_req.hdr.seq_id =3D htons(ptp_data- > >seqID_SYNC); > - ptp_msg->delay_req.hdr.msg_type =3D DELAY_REQ; > - ptp_msg->delay_req.hdr.ver =3D 2; > - ptp_msg->delay_req.hdr.control =3D 1; > - ptp_msg->delay_req.hdr.log_message_interval =3D 127; > - ptp_msg->delay_req.hdr.message_length =3D > + req_msg =3D rte_pktmbuf_mtod_offset(created_pkt, > + struct delay_req_msg *, sizeof(struct > + rte_ether_hdr)); > + > + req_msg->hdr.seq_id =3D htons(ptp_data->seqID_SYNC); > + req_msg->hdr.msg_type =3D DELAY_REQ; > + req_msg->hdr.ver =3D 2; > + req_msg->hdr.control =3D 1; > + req_msg->hdr.log_message_interval =3D 127; > + req_msg->hdr.message_length =3D > htons(sizeof(struct delay_req_msg)); > - ptp_msg->delay_req.hdr.domain_number =3D ptp_hdr- > >domain_number; > + req_msg->hdr.domain_number =3D ptp_hdr->domain_number; >=20 > /* Set up clock id. */ > client_clkid =3D > - &ptp_msg->delay_req.hdr.source_port_id.clock_id; > + &req_msg->hdr.source_port_id.clock_id; >=20 > client_clkid->id[0] =3D eth_hdr->src_addr.addr_bytes[0]; > client_clkid->id[1] =3D eth_hdr->src_addr.addr_bytes[1]; > -- > 2.17.1