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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: DM4PR12MB5373.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: a00c8095-6b22-4371-5fbe-08db3fd5592b X-MS-Exchange-CrossTenant-originalarrivaltime: 18 Apr 2023 06:22:55.9367 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: +QM1dpTILa1QHNlQWTS6Y6P64lP+sV5wgheiYcFQkOnpG7VsPl6coAG9zIsoOHEF477rgZY9MjgFuYn06ZhPBw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN6PR12MB8516 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 Thanks, patch applied. > -----Original Message----- > From: psatheesh@marvell.com > Sent: 4/10/2023 13:46 > To: Nithin Dabilpuram ; Kiran Kumar K > ; Sunil Kumar Kori ; Satha > Rao > Cc: stable@dpdk.org; Satheesh Paul > Subject: [PATCH 22.11] common/cnxk: fix IPv6 extension header parsing >=20 > From: Satheesh Paul >=20 > [ upstream commit 0a6a4437631de7b41352326123b366f31cf7d0f7 ] >=20 > RTE_FLOW_ITEM_TYPE_IPV6_EXT and > RTE_FLOW_ITEM_TYPE_IPV6_FRAG_EXT pattern items can be specified > following a RTE_FLOW_ITEM_TYPE_IPV6. > Modified layer C parsing logic to handle this. >=20 > Fixes: a800675b06f9 ("net/cnxk: support IPv6 fragment flow pattern item") >=20 > Signed-off-by: Satheesh Paul > --- > drivers/common/cnxk/roc_npc.h | 11 +++ > drivers/common/cnxk/roc_npc_parse.c | 143 +++++++++++++++++++++++----- > 2 files changed, 130 insertions(+), 24 deletions(-) >=20 > diff --git a/drivers/common/cnxk/roc_npc.h > b/drivers/common/cnxk/roc_npc.h index 1b4e5521cb..60f9c5d634 100644 > --- a/drivers/common/cnxk/roc_npc.h > +++ b/drivers/common/cnxk/roc_npc.h > @@ -123,6 +123,17 @@ struct roc_ipv6_hdr { > uint8_t dst_addr[16]; /**< IP address of destination host(s). */ } > __plt_packed; >=20 > +struct roc_ipv6_fragment_ext { > + uint8_t next_header; /**< Next header type */ > + uint8_t reserved; /**< Reserved */ > + uint16_t frag_data; /**< All fragmentation data */ > + uint32_t id; /**< Packet ID */ > +} __plt_packed; > + > +struct roc_flow_item_ipv6_ext { > + uint8_t next_hdr; /**< Next header. */ }; > + > struct roc_npc_flow_item_ipv6 { > struct roc_ipv6_hdr hdr; /**< IPv6 header definition. */ > uint32_t has_hop_ext : 1; > diff --git a/drivers/common/cnxk/roc_npc_parse.c > b/drivers/common/cnxk/roc_npc_parse.c > index 670f920117..6d834aae11 100644 > --- a/drivers/common/cnxk/roc_npc_parse.c > +++ b/drivers/common/cnxk/roc_npc_parse.c > @@ -662,10 +662,125 @@ npc_handle_ipv6ext_attr(const struct > roc_npc_flow_item_ipv6 *ipv6_spec, > return 0; > } >=20 > +static int > +npc_process_ipv6_item(struct npc_parse_state *pst) { > + uint8_t ipv6_hdr_mask[sizeof(struct roc_ipv6_hdr) + sizeof(struct > roc_ipv6_fragment_ext)]; > + uint8_t ipv6_hdr_buf[sizeof(struct roc_ipv6_hdr) + sizeof(struct > roc_ipv6_fragment_ext)]; > + const struct roc_npc_flow_item_ipv6 *ipv6_spec, *ipv6_mask; > + const struct roc_npc_item_info *pattern =3D pst->pattern; > + int offset =3D 0, rc =3D 0, lid, item_count =3D 0; > + struct npc_parse_item_info parse_info; > + char hw_mask[NPC_MAX_EXTRACT_HW_LEN]; > + uint8_t flags =3D 0, ltype; > + > + memset(ipv6_hdr_buf, 0, sizeof(ipv6_hdr_buf)); > + memset(ipv6_hdr_mask, 0, sizeof(ipv6_hdr_mask)); > + > + ipv6_spec =3D pst->pattern->spec; > + ipv6_mask =3D pst->pattern->mask; > + > + parse_info.def_mask =3D NULL; > + parse_info.spec =3D ipv6_hdr_buf; > + parse_info.mask =3D ipv6_hdr_mask; > + parse_info.def_mask =3D NULL; > + parse_info.hw_hdr_len =3D 0; > + parse_info.len =3D sizeof(ipv6_spec->hdr); > + > + pst->set_ipv6ext_ltype_mask =3D true; > + > + lid =3D NPC_LID_LC; > + ltype =3D NPC_LT_LC_IP6; > + > + if (pattern->type =3D=3D ROC_NPC_ITEM_TYPE_IPV6) { > + item_count++; > + if (ipv6_spec) { > + memcpy(ipv6_hdr_buf, &ipv6_spec->hdr, > sizeof(struct roc_ipv6_hdr)); > + rc =3D npc_handle_ipv6ext_attr(ipv6_spec, pst, &flags); > + if (rc) > + return rc; > + } > + if (ipv6_mask) > + memcpy(ipv6_hdr_mask, &ipv6_mask->hdr, > sizeof(struct roc_ipv6_hdr)); > + } > + > + offset =3D sizeof(struct roc_ipv6_hdr); > + > + while (pattern->type !=3D ROC_NPC_ITEM_TYPE_END) { > + /* Don't support ranges */ > + if (pattern->last !=3D NULL) > + return NPC_ERR_INVALID_RANGE; > + > + /* If spec is NULL, both mask and last must be NULL, this > + * makes it to match ANY value (eq to mask =3D 0). > + * Setting either mask or last without spec is > + * an error > + */ > + if (pattern->spec =3D=3D NULL) { > + if (pattern->last !=3D NULL && pattern->mask !=3D NULL) > + return NPC_ERR_INVALID_SPEC; > + } > + /* Either one ROC_NPC_ITEM_TYPE_IPV6_EXT or > + * one ROC_NPC_ITEM_TYPE_IPV6_FRAG_EXT is supported > + * following an ROC_NPC_ITEM_TYPE_IPV6 item. > + */ > + if (pattern->type =3D=3D ROC_NPC_ITEM_TYPE_IPV6_EXT) { > + item_count++; > + ltype =3D NPC_LT_LC_IP6_EXT; > + parse_info.len =3D > + sizeof(struct roc_ipv6_hdr) + sizeof(struct > roc_flow_item_ipv6_ext); > + if (pattern->spec) > + memcpy(ipv6_hdr_buf + offset, pattern->spec, > + sizeof(struct roc_flow_item_ipv6_ext)); > + if (pattern->mask) > + memcpy(ipv6_hdr_mask + offset, pattern- > >mask, > + sizeof(struct roc_flow_item_ipv6_ext)); > + break; > + } else if (pattern->type =3D=3D > ROC_NPC_ITEM_TYPE_IPV6_FRAG_EXT) { > + item_count++; > + ltype =3D NPC_LT_LC_IP6_EXT; > + flags =3D NPC_F_LC_U_IP6_FRAG; > + parse_info.len =3D > + sizeof(struct roc_ipv6_hdr) + sizeof(struct > roc_ipv6_fragment_ext); > + if (pattern->spec) > + memcpy(ipv6_hdr_buf + offset, pattern->spec, > + sizeof(struct roc_ipv6_fragment_ext)); > + if (pattern->mask) > + memcpy(ipv6_hdr_mask + offset, pattern- > >mask, > + sizeof(struct roc_ipv6_fragment_ext)); > + > + break; > + } > + > + pattern++; > + pattern =3D npc_parse_skip_void_and_any_items(pattern); > + } > + > + memset(hw_mask, 0, sizeof(hw_mask)); > + > + parse_info.hw_mask =3D &hw_mask; > + npc_get_hw_supp_mask(pst, &parse_info, lid, ltype); > + > + rc =3D npc_mask_is_supported(parse_info.mask, parse_info.hw_mask, > parse_info.len); > + if (!rc) > + return NPC_ERR_INVALID_MASK; > + > + rc =3D npc_update_parse_state(pst, &parse_info, lid, ltype, flags); > + if (rc) > + return rc; > + > + /* npc_update_parse_state() increments pattern once. > + * Check if additional increment is required. > + */ > + if (item_count =3D=3D 2) > + pst->pattern++; > + > + return 0; > +} > + > int > npc_parse_lc(struct npc_parse_state *pst) { > - const struct roc_npc_flow_item_ipv6 *ipv6_spec; > const struct roc_npc_flow_item_raw *raw_spec; > uint8_t raw_spec_buf[NPC_MAX_RAW_ITEM_LEN]; > uint8_t raw_mask_buf[NPC_MAX_RAW_ITEM_LEN]; > @@ -690,32 +805,12 @@ npc_parse_lc(struct npc_parse_state *pst) > info.len =3D pst->pattern->size; > break; > case ROC_NPC_ITEM_TYPE_IPV6: > - ipv6_spec =3D pst->pattern->spec; > - lid =3D NPC_LID_LC; > - lt =3D NPC_LT_LC_IP6; > - if (ipv6_spec) { > - rc =3D npc_handle_ipv6ext_attr(ipv6_spec, pst, &flags); > - if (rc) > - return rc; > - } > - info.len =3D sizeof(ipv6_spec->hdr); > - break; > - case ROC_NPC_ITEM_TYPE_ARP_ETH_IPV4: > - lt =3D NPC_LT_LC_ARP; > - info.len =3D pst->pattern->size; > - break; > case ROC_NPC_ITEM_TYPE_IPV6_EXT: > - lid =3D NPC_LID_LC; > - lt =3D NPC_LT_LC_IP6_EXT; > - info.len =3D pst->pattern->size; > - info.hw_hdr_len =3D 40; > - break; > case ROC_NPC_ITEM_TYPE_IPV6_FRAG_EXT: > - lid =3D NPC_LID_LC; > - lt =3D NPC_LT_LC_IP6_EXT; > - flags =3D NPC_F_LC_U_IP6_FRAG; > + return npc_process_ipv6_item(pst); > + case ROC_NPC_ITEM_TYPE_ARP_ETH_IPV4: > + lt =3D NPC_LT_LC_ARP; > info.len =3D pst->pattern->size; > - info.hw_hdr_len =3D 40; > break; > case ROC_NPC_ITEM_TYPE_L3_CUSTOM: > lt =3D NPC_LT_LC_CUSTOM0; > -- > 2.39.2