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mx.microsoft.com 1; spf=pass smtp.mailfrom=intel.com; dmarc=pass action=none header.from=intel.com; dkim=pass header.d=intel.com; arc=none x-ms-exchange-crosstenant-authas: Internal x-ms-exchange-crosstenant-authsource: DM4PR11MB5994.namprd11.prod.outlook.com x-ms-exchange-crosstenant-network-message-id: 3d68f8bf-61e8-49fb-8f93-08dc0c02d06e x-ms-exchange-crosstenant-originalarrivaltime: 03 Jan 2024 02:22:20.5630 (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: 4l8PbZmjMitP63p4hynbt6m/Jvxy6ENDrUkGNvdqRAaegPFqyL8yKU3Dy7/DZOPOq9ioEejcZ0BhmLKhp/DcoQ== x-ms-exchange-transport-crosstenantheadersstamped: MN2PR11MB4583 x-originatororg: intel.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 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: Mingjin Ye > Sent: Tuesday, January 2, 2024 6:52 PM > To: dev@dpdk.org > Cc: Yang, Qiming ; Ye, MingjinX > ; stable@dpdk.org; Wu, Jingjing > ; Xing, Beilei > Subject: [PATCH v7 1/2] net/iavf: fix Rx/Tx burst in multi-process > > In a multi-process environment, a secondary process operates on shared > memory and changes the function pointer of the primary process, resulting > in a crash when the primary process cannot find the function address duri= ng > an Rx/Tx burst. > > Fixes: 5b3124a0a6ef ("net/iavf: support no polling when link down") > Cc: stable@dpdk.org > > Signed-off-by: Mingjin Ye > --- > v2: Add fix for Rx burst. > --- > v3: fix Rx/Tx routing. > --- > drivers/net/iavf/iavf.h | 42 ++++++++- > drivers/net/iavf/iavf_rxtx.c | 173 +++++++++++++++++++++++------------ > 2 files changed, 157 insertions(+), 58 deletions(-) > > diff --git a/drivers/net/iavf/iavf.h b/drivers/net/iavf/iavf.h index > 10868f2c30..73a089c199 100644 > --- a/drivers/net/iavf/iavf.h > +++ b/drivers/net/iavf/iavf.h > @@ -313,6 +313,44 @@ struct iavf_devargs { > > struct iavf_security_ctx; > > +enum iavf_rx_burst_type { > + IAVF_RX_DEFAULT, > + IAVF_RX_FLEX_RXD, > + IAVF_RX_BULK_ALLOC, > + IAVF_RX_SCATTERED, > + IAVF_RX_SCATTERED_FLEX_RXD, > + IAVF_RX_SSE, > + IAVF_RX_AVX2, > + IAVF_RX_AVX2_OFFLOAD, > + IAVF_RX_SSE_FLEX_RXD, > + IAVF_RX_AVX2_FLEX_RXD, > + IAVF_RX_AVX2_FLEX_RXD_OFFLOAD, > + IAVF_RX_SSE_SCATTERED, > + IAVF_RX_AVX2_SCATTERED, > + IAVF_RX_AVX2_SCATTERED_OFFLOAD, > + IAVF_RX_SSE_SCATTERED_FLEX_RXD, > + IAVF_RX_AVX2_SCATTERED_FLEX_RXD, > + IAVF_RX_AVX2_SCATTERED_FLEX_RXD_OFFLOAD, > + IAVF_RX_AVX512, > + IAVF_RX_AVX512_OFFLOAD, > + IAVF_RX_AVX512_FLEX_RXD, > + IAVF_RX_AVX512_FLEX_RXD_OFFLOAD, > + IAVF_RX_AVX512_SCATTERED, > + IAVF_RX_AVX512_SCATTERED_OFFLOAD, > + IAVF_RX_AVX512_SCATTERED_FLEX_RXD, > + IAVF_RX_AVX512_SCATTERED_FLEX_RXD_OFFLOAD, > +}; > + > +enum iavf_tx_burst_type { > + IAVF_TX_DEFAULT, > + IAVF_TX_SSE, > + IAVF_TX_AVX2, > + IAVF_TX_AVX2_OFFLOAD, > + IAVF_TX_AVX512, > + IAVF_TX_AVX512_OFFLOAD, > + IAVF_TX_AVX512_CTX_OFFLOAD, > +}; > + > /* Structure to store private data for each VF instance. */ struct iavf= _adapter > { > struct iavf_hw hw; > @@ -328,8 +366,8 @@ struct iavf_adapter { > bool stopped; > bool closed; > bool no_poll; > - eth_rx_burst_t rx_pkt_burst; > - eth_tx_burst_t tx_pkt_burst; > + enum iavf_rx_burst_type rx_burst_type; > + enum iavf_tx_burst_type tx_burst_type; > uint16_t fdir_ref_cnt; > struct iavf_devargs devargs; > }; > diff --git a/drivers/net/iavf/iavf_rxtx.c b/drivers/net/iavf/iavf_rxtx.c = index > f19aa14646..13b932ad85 100644 > --- a/drivers/net/iavf/iavf_rxtx.c > +++ b/drivers/net/iavf/iavf_rxtx.c > @@ -3707,15 +3707,68 @@ iavf_prep_pkts(__rte_unused void *tx_queue, > struct rte_mbuf **tx_pkts, > return i; > } > > +static > +const eth_rx_burst_t iavf_rx_pkt_burst_ops[] =3D { Its will broke if we insert a new type without change the ops array. It's better to explicitly initial an array with index [IAVF_RX_DEFAULT] =3D iavf_recv_pkts, ....