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charset="iso-2022-jp" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: DM4PR11MB5994.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 0c39f753-c4bd-4705-ebbc-08dac3c12590 X-MS-Exchange-CrossTenant-originalarrivaltime: 11 Nov 2022 08:45:55.2549 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: 31Nr1UrstSIriIwBOvH3GT6U6VtHtXuIFDbJGzP+HSrpnxbnmt6qZ5ibe9s/CfGOtPDIxRGqfnb04TYlOTp1Ew== X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH0PR11MB5314 X-OriginatorOrg: intel.com 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 > -----Original Message----- > From: Ye, MingjinX > Sent: Friday, November 11, 2022 4:31 PM > To: Zhang, Qi Z ; dev@dpdk.org > Cc: Yang, Qiming ; stable@dpdk.org; Zhou, YidingX > ; Wu, Jingjing ; Lu, > Wenzhuo ; Ferruh Yigit ; Li= , > Xiaoyun ; Liu, KevinX > Subject: RE: [PATCH v3 2/2] net/ice: fix scalar Tx path segment >=20 >=20 >=20 > > -----Original Message----- > > From: Zhang, Qi Z > > Sent: 2022=1B$BG/=1B(B11=1B$B7n=1B(B11=1B$BF|=1B(B 13:09 > > To: Ye, MingjinX ; dev@dpdk.org > > Cc: Yang, Qiming ; stable@dpdk.org; Zhou, > > YidingX ; Wu, Jingjing > > ; Lu, Wenzhuo ; Ferruh > > Yigit ; Li, Xiaoyun ; > > Liu, KevinX > > Subject: RE: [PATCH v3 2/2] net/ice: fix scalar Tx path segment > > > > > > > > > -----Original Message----- > > > From: Ye, MingjinX > > > Sent: Friday, November 11, 2022 8:04 PM > > > To: dev@dpdk.org > > > Cc: Yang, Qiming ; stable@dpdk.org; Zhou, > > > YidingX ; Ye, MingjinX > > > ; Zhang, Qi Z ; Wu, > > > Jingjing ; Lu, Wenzhuo > > > ; Ferruh Yigit ; Li, > > > Xiaoyun ; Liu, KevinX > > > Subject: [PATCH v3 2/2] net/ice: fix scalar Tx path segment > > > > > > The scalar Tx path would send empty buffer that causes the Tx queue > > > to overflow. > > > > > > This patch adds the last buffer length judgment in tx_prepare to fix > > > this issue, rte_errno will be set to EINVAL and returned if the last > > > buffer is > > empty. > > > > > > Fixes: 17c7d0f9d6a4 ("net/ice: support basic Rx/Tx") > > > Fixes: ccf33dccf7aa ("net/ice: check illegal packet sizes") > > > Cc: stable@dpdk.org > > > > > > Signed-off-by: Mingjin Ye > > > --- > > > drivers/net/ice/ice_rxtx.c | 24 ++++++++++++++++++++++++ > > > 1 file changed, 24 insertions(+) > > > > > > diff --git a/drivers/net/ice/ice_rxtx.c b/drivers/net/ice/ice_rxtx.c > > > index e6ddd2513d..69358f6a3a 100644 > > > --- a/drivers/net/ice/ice_rxtx.c > > > +++ b/drivers/net/ice/ice_rxtx.c > > > @@ -3643,6 +3643,22 @@ ice_set_tx_function_flag(struct rte_eth_dev > > > *dev, struct ice_tx_queue *txq) > > > #define ICE_MIN_TSO_MSS 64 > > > #define ICE_MAX_TSO_MSS 9728 > > > #define ICE_MAX_TSO_FRAME_SIZE 262144 > > > + > > > +/*Check for invalid mbuf*/ > > > +static inline uint16_t > > > +ice_check_mbuf(struct rte_mbuf *tx_pkt) { > > > > Better to name the function to exactly match what it does. > > e.g.: ice_check_emtpy_mbuf > > and also declare it as inline. > will optimize. > > > > > + struct rte_mbuf *txd =3D tx_pkt; > > > + > > > + while (txd !=3D NULL) { > > > + if (txd->data_len =3D=3D 0) > > > + return -1; > > > + txd =3D txd->next; > > > + } > > > + > > > + return 0; > > > +} > > > + > > > uint16_t > > > ice_prep_pkts(__rte_unused void *tx_queue, struct rte_mbuf **tx_pkts= , > > > uint16_t nb_pkts) > > > @@ -3653,6 +3669,7 @@ ice_prep_pkts(__rte_unused void *tx_queue, > > > struct rte_mbuf **tx_pkts, > > > struct ice_tx_queue *txq =3D tx_queue; > > > struct rte_eth_dev *dev =3D &rte_eth_devices[txq->port_id]; > > > uint16_t max_frame_size =3D dev->data->mtu + ICE_ETH_OVERHEAD; > > > + uint16_t nb_used; > > > > > > for (i =3D 0; i < nb_pkts; i++) { > > > m =3D tx_pkts[i]; > > > @@ -3689,6 +3706,13 @@ ice_prep_pkts(__rte_unused void *tx_queue, > > > struct rte_mbuf **tx_pkts, > > > rte_errno =3D -ret; > > > return i; > > > } > > > + > > > + if (!(ol_flags & RTE_MBUF_F_TX_TCP_SEG) && > > > + ice_check_mbuf(m)) { > > > > Why "!(ol_flags & RTE_MBUF_F_TX_TCP_SEG)" is needed here? > > A empty mbuf with TSO enabled is still acceptable? > Should not be expected to be implemented in test-pmd, should detect. Why related with testpmd?, testpmd is not the only application, this is the= question for how to identify a violated mbuf. > > > > > + rte_errno =3D EINVAL; > > > + PMD_DRV_LOG(ERR, "INVALID mbuf: last mbuf > > > data_len=3D[0]"); > > > + return i; > > > + } > > > } > > > return i; > > > } > > > -- > > > 2.34.1