Hi Kirill, > -----Original Message----- > From: dev [mailto:dev-boun...@dpdk.org] On Behalf Of Kirill Rybalchenko > Sent: Wednesday, August 30, 2017 7:51 AM > To: dev@dpdk.org > Cc: Rybalchenko, Kirill <kirill.rybalche...@intel.com>; Chilikin, Andrey > <andrey.chili...@intel.com> > Subject: [dpdk-dev] [PATCH 1/2] net/i40e: get information about protocols > defined in ddp profile > > This patch adds new package info types to get list of protocols, pctypes and > ptypes defined in a profile > > Signed-off-by: Kirill Rybalchenko <kirill.rybalche...@intel.com> > --- > drivers/net/i40e/rte_pmd_i40e.c | 155 > ++++++++++++++++++++++++++++++++++++++++ > drivers/net/i40e/rte_pmd_i40e.h | 25 +++++++ > 2 files changed, 180 insertions(+) > > diff --git a/drivers/net/i40e/rte_pmd_i40e.c > b/drivers/net/i40e/rte_pmd_i40e.c index d69a472..f232d09 100644 > --- a/drivers/net/i40e/rte_pmd_i40e.c > +++ b/drivers/net/i40e/rte_pmd_i40e.c > @@ -1706,6 +1706,27 @@ rte_pmd_i40e_process_ddp_package(uint8_t > port, uint8_t *buff, > return status; > } > > + > +/* Get number of tvl records in the section */ static unsigned
Better to use static unsigned int instead of static unsigned > +i40e_get_tlv_section_size(struct i40e_profile_section_header *sec) { > + unsigned i, nb_rec, nb_tlv = 0; > + struct i40e_profile_tlv_section_record *tlv; > + > + if (sec == NULL) > + return nb_tlv; > + > + /* get number of records in the section */ > + nb_rec = sec->section.size / sizeof(struct > i40e_profile_tlv_section_record); > + for (i = 0; i < nb_rec; ) { > + tlv = (struct i40e_profile_tlv_section_record *)&sec[1 + i]; > + i += tlv->len; > + nb_tlv++; > + } > + return nb_tlv; > +} > + > int rte_pmd_i40e_get_ddp_info(uint8_t *pkg_buff, uint32_t pkg_size, > uint8_t *info_buff, uint32_t info_size, > enum rte_pmd_i40e_package_info type) > @@ -1860,6 +1881,140 @@ int rte_pmd_i40e_get_ddp_info(uint8_t > *pkg_buff, uint32_t pkg_size, > return I40E_SUCCESS; > } > > + /* get number of protocols */ > + if (type == RTE_PMD_I40E_PKG_INFO_PROTOCOL_NUM) { > + struct i40e_profile_section_header *proto; > + if (info_size < sizeof(uint32_t)) { > + PMD_DRV_LOG(ERR, "Invalid information buffer > size"); > + return -EINVAL; > + } > + proto = i40e_find_section_in_profile(SECTION_TYPE_PROTO, > + (struct i40e_profile_segment *)i40e_seg_hdr); > + *(uint32_t *)info_buff = i40e_get_tlv_section_size(proto); > + return I40E_SUCCESS; > + } > + > + /* get list of protocols */ > + if (type == RTE_PMD_I40E_PKG_INFO_PROTOCOL_LIST) { > + uint32_t i, j, nb_rec; > + struct rte_pmd_i40e_proto_info *pinfo; > + struct i40e_profile_section_header *proto; > + struct i40e_profile_tlv_section_record *tlv; > + proto = i40e_find_section_in_profile(SECTION_TYPE_PROTO, > + (struct i40e_profile_segment *)i40e_seg_hdr); > + nb_rec = i40e_get_tlv_section_size(proto); > + if (info_size < nb_rec) { > + PMD_DRV_LOG(ERR, "Invalid information buffer > size"); > + return -EINVAL; > + } > + pinfo = (struct rte_pmd_i40e_proto_info *)info_buff; > + for (i = 0; i < info_size; i++) { > + pinfo[i].proto_id = RTE_PMD_I40E_PROTO_UNUSED; > + memset(pinfo[i].name, 0, > RTE_PMD_I40E_DDP_NAME_SIZE); > + } > + if (nb_rec == 0) > + return I40E_SUCCESS; > + /* get number of records in the section */ > + nb_rec = proto->section.size / sizeof(struct > i40e_profile_tlv_section_record); > + tlv = (struct i40e_profile_tlv_section_record *)&proto[1]; > + for (i = j = 0; i < nb_rec; j++) { > + pinfo[j].proto_id = tlv->data[0]; > + strncpy(pinfo[j].name, (const char *)&tlv->data[1], > I40E_DDP_NAME_SIZE); > + i += tlv->len; > + tlv = &tlv[tlv->len]; > + } > + return I40E_SUCCESS; > + } > + > + /* get number of packet classification types */ > + if (type == RTE_PMD_I40E_PKG_INFO_PCTYPE_NUM) { > + struct i40e_profile_section_header *pctype; > + if (info_size < sizeof(uint32_t)) { > + PMD_DRV_LOG(ERR, "Invalid information buffer > size"); > + return -EINVAL; > + } > + pctype = > i40e_find_section_in_profile(SECTION_TYPE_PCTYPE, > + (struct i40e_profile_segment *)i40e_seg_hdr); > + *(uint32_t *)info_buff = i40e_get_tlv_section_size(pctype); > + return I40E_SUCCESS; > + } > + > + /* get list of packet classification types */ > + if (type == RTE_PMD_I40E_PKG_INFO_PCTYPE_LIST) { > + uint32_t i, j, nb_rec; > + struct rte_pmd_i40e_ptype_info *pinfo; > + struct i40e_profile_section_header *pctype; > + struct i40e_profile_tlv_section_record *tlv; > + pctype = > i40e_find_section_in_profile(SECTION_TYPE_PCTYPE, > + (struct i40e_profile_segment *)i40e_seg_hdr); > + nb_rec = i40e_get_tlv_section_size(pctype); > + if (info_size < nb_rec) { > + PMD_DRV_LOG(ERR, "Invalid information buffer > size"); > + return -EINVAL; > + } > + pinfo = (struct rte_pmd_i40e_ptype_info *)info_buff; > + for (i = 0; i < info_size; i++) > + memset(&pinfo[i], > RTE_PMD_I40E_PROTO_UNUSED, > + sizeof(struct rte_pmd_i40e_ptype_info)); > + > + if (nb_rec == 0) > + return I40E_SUCCESS; > + /* get number of records in the section */ > + nb_rec = pctype->section.size / sizeof(struct > i40e_profile_tlv_section_record); > + tlv = (struct i40e_profile_tlv_section_record *)&pctype[1]; > + for (i = j = 0; i < nb_rec; j++) { > + pinfo[j].ptype_id = tlv->data[0]; > + memcpy(&pinfo[j], tlv->data, sizeof(struct > rte_pmd_i40e_ptype_info)); > + i += tlv->len; > + tlv = &tlv[tlv->len]; > + } > + return I40E_SUCCESS; > + } > + > + /* get number of packet types */ > + if (type == RTE_PMD_I40E_PKG_INFO_PTYPE_NUM) { > + struct i40e_profile_section_header *ptype; > + if (info_size < sizeof(uint32_t)) { > + PMD_DRV_LOG(ERR, "Invalid information buffer > size"); > + return -EINVAL; > + } > + ptype = i40e_find_section_in_profile(SECTION_TYPE_PTYPE, > + (struct i40e_profile_segment *)i40e_seg_hdr); > + *(uint32_t *)info_buff = i40e_get_tlv_section_size(ptype); > + return I40E_SUCCESS; > + } > + > + /* get list of packet types */ > + if (type == RTE_PMD_I40E_PKG_INFO_PTYPE_LIST) { > + uint32_t i, nb_rec; > + struct rte_pmd_i40e_ptype_info *pinfo; > + struct i40e_profile_section_header *ptype; > + struct i40e_profile_tlv_section_record *tlv; > + ptype = i40e_find_section_in_profile(SECTION_TYPE_PTYPE, > + (struct i40e_profile_segment *)i40e_seg_hdr); > + nb_rec = i40e_get_tlv_section_size(ptype); > + if (info_size < nb_rec) { > + PMD_DRV_LOG(ERR, "Invalid information buffer > size"); > + return -EINVAL; > + } > + pinfo = (struct rte_pmd_i40e_ptype_info *)info_buff; > + for (i = 0; i < info_size; i++) > + memset(&pinfo[i], > RTE_PMD_I40E_PROTO_UNUSED, > + sizeof(struct rte_pmd_i40e_ptype_info)); > + > + if (nb_rec == 0) > + return I40E_SUCCESS; > + /* get number of records in the section */ > + nb_rec = ptype->section.size / sizeof(struct > i40e_profile_tlv_section_record); > + for (i = 0; i < nb_rec; ) { > + tlv = (struct i40e_profile_tlv_section_record > *)&ptype[1 + i]; > + pinfo[i].ptype_id = tlv->data[0]; > + memcpy(&pinfo[i], tlv->data, sizeof(struct > rte_pmd_i40e_ptype_info)); > + i += tlv->len; > + } > + return I40E_SUCCESS; > + } > + > PMD_DRV_LOG(ERR, "Info type %u is invalid.", type); > return -EINVAL; > } Checkpatch is showing a lot of warnings in this file. > diff --git a/drivers/net/i40e/rte_pmd_i40e.h > b/drivers/net/i40e/rte_pmd_i40e.h index 155b7e8..b631093 100644 > --- a/drivers/net/i40e/rte_pmd_i40e.h > +++ b/drivers/net/i40e/rte_pmd_i40e.h > @@ -88,6 +88,12 @@ enum rte_pmd_i40e_package_info { > RTE_PMD_I40E_PKG_INFO_HEADER, > RTE_PMD_I40E_PKG_INFO_DEVID_NUM, > RTE_PMD_I40E_PKG_INFO_DEVID_LIST, > + RTE_PMD_I40E_PKG_INFO_PROTOCOL_NUM, > + RTE_PMD_I40E_PKG_INFO_PROTOCOL_LIST, > + RTE_PMD_I40E_PKG_INFO_PCTYPE_NUM, > + RTE_PMD_I40E_PKG_INFO_PCTYPE_LIST, > + RTE_PMD_I40E_PKG_INFO_PTYPE_NUM, > + RTE_PMD_I40E_PKG_INFO_PTYPE_LIST, > RTE_PMD_I40E_PKG_INFO_MAX = 0xFFFFFFFF }; > > @@ -133,6 +139,25 @@ struct rte_pmd_i40e_profile_list { > struct rte_pmd_i40e_profile_info p_info[1]; }; > > +#define RTE_PMD_I40E_PROTO_NUM 6 > +#define RTE_PMD_I40E_PROTO_UNUSED 0xFF > + > +/** > +* Protocols information stored in profile */ struct > +rte_pmd_i40e_proto_info { > + uint8_t proto_id; > + char name[RTE_PMD_I40E_DDP_NAME_SIZE]; }; > + > +/** > +* Packet classification/ packet type information stored in profile */ Checkpatch is giving a warning with the above line. > +struct rte_pmd_i40e_ptype_info { > + uint8_t ptype_id; > + uint8_t protocols[RTE_PMD_I40E_PROTO_NUM]; > +}; > + > /** > * ptype mapping table only accept RTE_PTYPE_XXX or "user defined" ptype. > * A ptype with MSB set will be regarded as a user defined ptype. > -- > 2.5.5 Regards, Bernard.