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Mon, 27 Sep 2021 06:36:15 -0700 (PDT) From: Srikanth Kaka To: Matan Azrad , Viacheslav Ovsiienko Cc: dev@dpdk.org, Vag Singh , Anand Thulasiram , Srikanth Kaka Date: Mon, 27 Sep 2021 19:04:36 +0530 Message-Id: <20210927133450.10653-6-srikanth.k@oneconvergence.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210927133450.10653-1-srikanth.k@oneconvergence.com> References: <20210927133450.10653-1-srikanth.k@oneconvergence.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Mailman-Approved-At: Mon, 27 Sep 2021 16:58:07 +0200 Subject: [dpdk-dev] [PATCH 05/19] net/mlx5: modified PCI probe to work on FreeBSD X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" - Representor ports are not yet supported - Disabling NETLINK_RDMA & NETLINK_ROUTE sockets as netlink sockets are not present on FreeBSD Signed-off-by: Srikanth Kaka Signed-off-by: Vag Singh Signed-off-by: Anand Thulasiram --- drivers/net/mlx5/freebsd/mlx5_os.c | 828 ++++------------------------- 1 file changed, 116 insertions(+), 712 deletions(-) diff --git a/drivers/net/mlx5/freebsd/mlx5_os.c b/drivers/net/mlx5/freebsd/mlx5_os.c index 616bb73744..5420a08cf9 100644 --- a/drivers/net/mlx5/freebsd/mlx5_os.c +++ b/drivers/net/mlx5/freebsd/mlx5_os.c @@ -10,9 +10,6 @@ #include #include #include -#include -#include -#include #include #include @@ -47,7 +44,6 @@ #include "mlx5_flow.h" #include "rte_pmd_mlx5.h" #include "mlx5_verbs.h" -#include "mlx5_nl.h" #include "mlx5_devx.h" #ifndef HAVE_IBV_MLX5_MOD_MPW @@ -858,76 +854,6 @@ mlx5_queue_counter_id_prepare(struct rte_eth_dev *dev) "available.", dev->data->port_id); } -/** - * Check if representor spawn info match devargs. - * - * @param spawn - * Verbs device parameters (name, port, switch_info) to spawn. - * @param eth_da - * Device devargs to probe. - * - * @return - * Match result. - */ -static bool -mlx5_representor_match(struct mlx5_dev_spawn_data *spawn, - struct rte_eth_devargs *eth_da) -{ - struct mlx5_switch_info *switch_info = &spawn->info; - unsigned int p, f; - uint16_t id; - uint16_t repr_id = mlx5_representor_id_encode(switch_info, - eth_da->type); - - switch (eth_da->type) { - case RTE_ETH_REPRESENTOR_SF: - if (!(spawn->info.port_name == -1 && - switch_info->name_type == - MLX5_PHYS_PORT_NAME_TYPE_PFHPF) && - switch_info->name_type != MLX5_PHYS_PORT_NAME_TYPE_PFSF) { - rte_errno = EBUSY; - return false; - } - break; - case RTE_ETH_REPRESENTOR_VF: - /* Allows HPF representor index -1 as exception. */ - if (!(spawn->info.port_name == -1 && - switch_info->name_type == - MLX5_PHYS_PORT_NAME_TYPE_PFHPF) && - switch_info->name_type != MLX5_PHYS_PORT_NAME_TYPE_PFVF) { - rte_errno = EBUSY; - return false; - } - break; - case RTE_ETH_REPRESENTOR_NONE: - rte_errno = EBUSY; - return false; - default: - rte_errno = ENOTSUP; - DRV_LOG(ERR, "unsupported representor type"); - return false; - } - /* Check representor ID: */ - for (p = 0; p < eth_da->nb_ports; ++p) { - if (spawn->pf_bond < 0) { - /* For non-LAG mode, allow and ignore pf. */ - switch_info->pf_num = eth_da->ports[p]; - repr_id = mlx5_representor_id_encode(switch_info, - eth_da->type); - } - for (f = 0; f < eth_da->nb_representor_ports; ++f) { - id = MLX5_REPRESENTOR_ID - (eth_da->ports[p], eth_da->type, - eth_da->representor_ports[f]); - if (repr_id == id) - return true; - } - } - rte_errno = EBUSY; - return false; -} - - /** * Spawn an Ethernet device from Verbs information. * @@ -950,8 +876,7 @@ mlx5_representor_match(struct mlx5_dev_spawn_data *spawn, static struct rte_eth_dev * mlx5_dev_spawn(struct rte_device *dpdk_dev, struct mlx5_dev_spawn_data *spawn, - struct mlx5_dev_config *config, - struct rte_eth_devargs *eth_da) + struct mlx5_dev_config *config) { const struct mlx5_switch_info *switch_info = &spawn->info; struct mlx5_dev_ctx_shared *sh = NULL; @@ -977,40 +902,11 @@ mlx5_dev_spawn(struct rte_device *dpdk_dev, struct mlx5_port_info vport_info = { .query_flags = 0 }; int i; - /* Determine if this port representor is supposed to be spawned. */ - if (switch_info->representor && dpdk_dev->devargs && - !mlx5_representor_match(spawn, eth_da)) - return NULL; + MLX5_ASSERT(spawn->pf_bond < 0); + MLX5_ASSERT(switch_info->representor == 0); /* Build device name. */ - if (spawn->pf_bond < 0) { - /* Single device. */ - if (!switch_info->representor) - strlcpy(name, dpdk_dev->name, sizeof(name)); - else - err = snprintf(name, sizeof(name), "%s_representor_%s%u", - dpdk_dev->name, - switch_info->name_type == - MLX5_PHYS_PORT_NAME_TYPE_PFSF ? "sf" : "vf", - switch_info->port_name); - } else { - /* Bonding device. */ - if (!switch_info->representor) { - err = snprintf(name, sizeof(name), "%s_%s", - dpdk_dev->name, - mlx5_os_get_dev_device_name(spawn->phys_dev)); - } else { - err = snprintf(name, sizeof(name), "%s_%s_representor_c%dpf%d%s%u", - dpdk_dev->name, - mlx5_os_get_dev_device_name(spawn->phys_dev), - switch_info->ctrl_num, - switch_info->pf_num, - switch_info->name_type == - MLX5_PHYS_PORT_NAME_TYPE_PFSF ? "sf" : "vf", - switch_info->port_name); - } - } - if (err >= (int)sizeof(name)) - DRV_LOG(WARNING, "device name overflow %s", name); + strlcpy(name, dpdk_dev->name, sizeof(name)); + /* check if the device is already spawned */ if (rte_eth_dev_get_port_by_name(name, &port_id) == 0) { rte_errno = EEXIST; @@ -1197,9 +1093,9 @@ mlx5_dev_spawn(struct rte_device *dpdk_dev, priv->dev_port = spawn->phys_port; priv->pci_dev = spawn->pci_dev; priv->mtu = RTE_ETHER_MTU; - /* Some internal functions rely on Netlink sockets, open them now. */ - priv->nl_socket_rdma = mlx5_nl_init(NETLINK_RDMA); - priv->nl_socket_route = mlx5_nl_init(NETLINK_ROUTE); + /* RDMA core has no listener */ + priv->nl_socket_rdma = -1; + priv->nl_socket_route = -1; priv->representor = !!switch_info->representor; priv->master = !!switch_info->master; priv->domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID; @@ -1280,7 +1176,7 @@ mlx5_dev_spawn(struct rte_device *dpdk_dev, switch_info->port_name + 1 : -1; } priv->representor_id = mlx5_representor_id_encode(switch_info, - eth_da->type); + RTE_ETH_REPRESENTOR_NONE); /* * Look for sibling devices in order to reuse their switch domain * if any, otherwise allocate one. @@ -1732,11 +1628,6 @@ mlx5_dev_spawn(struct rte_device *dpdk_dev, eth_dev->rx_queue_count = mlx5_rx_queue_count; /* Register MAC address. */ claim_zero(mlx5_mac_addr_add(eth_dev, &mac, 0, 0)); - if (config->vf && config->vf_nl_en) - mlx5_nl_mac_addr_sync(priv->nl_socket_route, - mlx5_ifindex(eth_dev), - eth_dev->data->mac_addrs, - MLX5_MAX_MAC_ADDRESSES); priv->ctrl_flows = 0; rte_spinlock_init(&priv->flow_list_lock); TAILQ_INIT(&priv->flow_meters); @@ -1977,148 +1868,6 @@ mlx5_dev_spawn_data_cmp(const void *a, const void *b) return si_a->port_name - si_b->port_name; } -/** - * Match PCI information for possible slaves of bonding device. - * - * @param[in] ibv_dev - * Pointer to Infiniband device structure. - * @param[in] pci_dev - * Pointer to primary PCI address structure to match. - * @param[in] nl_rdma - * Netlink RDMA group socket handle. - * @param[in] owner - * Rerepsentor owner PF index. - * @param[out] bond_info - * Pointer to bonding information. - * - * @return - * negative value if no bonding device found, otherwise - * positive index of slave PF in bonding. - */ -static int -mlx5_device_bond_pci_match(const struct ibv_device *ibv_dev, - const struct rte_pci_addr *pci_dev, - int nl_rdma, uint16_t owner, - struct mlx5_bond_info *bond_info) -{ - char ifname[IF_NAMESIZE + 1]; - unsigned int ifindex; - unsigned int np, i; - FILE *bond_file = NULL, *file; - int pf = -1; - int ret; - - /* - * Try to get master device name. If something goes - * wrong suppose the lack of kernel support and no - * bonding devices. - */ - memset(bond_info, 0, sizeof(*bond_info)); - if (nl_rdma < 0) - return -1; - if (!strstr(ibv_dev->name, "bond")) - return -1; - np = mlx5_nl_portnum(nl_rdma, ibv_dev->name); - if (!np) - return -1; - /* - * The Master device might not be on the predefined - * port (not on port index 1, it is not garanted), - * we have to scan all Infiniband device port and - * find master. - */ - for (i = 1; i <= np; ++i) { - /* Check whether Infiniband port is populated. */ - ifindex = mlx5_nl_ifindex(nl_rdma, ibv_dev->name, i); - if (!ifindex) - continue; - if (!if_indextoname(ifindex, ifname)) - continue; - /* Try to read bonding slave names from sysfs. */ - MKSTR(slaves, - "/sys/class/net/%s/master/bonding/slaves", ifname); - bond_file = fopen(slaves, "r"); - if (bond_file) - break; - } - if (!bond_file) - return -1; - /* Use safe format to check maximal buffer length. */ - MLX5_ASSERT(atol(RTE_STR(IF_NAMESIZE)) == IF_NAMESIZE); - while (fscanf(bond_file, "%" RTE_STR(IF_NAMESIZE) "s", ifname) == 1) { - char tmp_str[IF_NAMESIZE + 32]; - struct rte_pci_addr pci_addr; - struct mlx5_switch_info info; - - /* Process slave interface names in the loop. */ - snprintf(tmp_str, sizeof(tmp_str), - "/sys/class/net/%s", ifname); - if (mlx5_get_pci_addr(tmp_str, &pci_addr)) { - DRV_LOG(WARNING, "can not get PCI address" - " for netdev \"%s\"", ifname); - continue; - } - /* Slave interface PCI address match found. */ - snprintf(tmp_str, sizeof(tmp_str), - "/sys/class/net/%s/phys_port_name", ifname); - file = fopen(tmp_str, "rb"); - if (!file) - break; - info.name_type = MLX5_PHYS_PORT_NAME_TYPE_NOTSET; - if (fscanf(file, "%32s", tmp_str) == 1) - mlx5_translate_port_name(tmp_str, &info); - fclose(file); - /* Only process PF ports. */ - if (info.name_type != MLX5_PHYS_PORT_NAME_TYPE_LEGACY && - info.name_type != MLX5_PHYS_PORT_NAME_TYPE_UPLINK) - continue; - /* Check max bonding member. */ - if (info.port_name >= MLX5_BOND_MAX_PORTS) { - DRV_LOG(WARNING, "bonding index out of range, " - "please increase MLX5_BOND_MAX_PORTS: %s", - tmp_str); - break; - } - /* Match PCI address, allows BDF0+pfx or BDFx+pfx. */ - if (pci_dev->domain == pci_addr.domain && - pci_dev->bus == pci_addr.bus && - pci_dev->devid == pci_addr.devid && - ((pci_dev->function == 0 && - pci_dev->function + owner == pci_addr.function) || - (pci_dev->function == owner && - pci_addr.function == owner))) - pf = info.port_name; - /* Get ifindex. */ - snprintf(tmp_str, sizeof(tmp_str), - "/sys/class/net/%s/ifindex", ifname); - file = fopen(tmp_str, "rb"); - if (!file) - break; - ret = fscanf(file, "%u", &ifindex); - fclose(file); - if (ret != 1) - break; - /* Save bonding info. */ - strncpy(bond_info->ports[info.port_name].ifname, ifname, - sizeof(bond_info->ports[0].ifname)); - bond_info->ports[info.port_name].pci_addr = pci_addr; - bond_info->ports[info.port_name].ifindex = ifindex; - bond_info->n_port++; - } - if (pf >= 0) { - /* Get bond interface info */ - ret = mlx5_sysfs_bond_info(ifindex, &bond_info->ifindex, - bond_info->ifname); - if (ret) - DRV_LOG(ERR, "unable to get bond info: %s", - strerror(rte_errno)); - else - DRV_LOG(INFO, "PF device %u, bond device %u(%s)", - ifindex, bond_info->ifindex, bond_info->ifname); - } - return pf; -} - static void mlx5_os_config_default(struct mlx5_dev_config *config) { @@ -2130,7 +1879,7 @@ mlx5_os_config_default(struct mlx5_dev_config *config) config->txq_inline_min = MLX5_ARG_UNSET; config->txq_inline_mpw = MLX5_ARG_UNSET; config->txqs_inline = MLX5_ARG_UNSET; - config->vf_nl_en = 1; + config->vf_nl_en = 0; config->mr_ext_memseg_en = 1; config->mprq.max_memcpy_len = MLX5_MPRQ_MEMCPY_DEFAULT_LEN; config->mprq.min_rxqs_num = MLX5_MPRQ_MIN_RXQS; @@ -2142,25 +1891,18 @@ mlx5_os_config_default(struct mlx5_dev_config *config) } /** - * Register a PCI device within bonding. + * Callback to register a PCI device. * - * This function spawns Ethernet devices out of a given PCI device and - * bonding owner PF index. + * This function spawns Ethernet devices out of a given PCI device. * * @param[in] pci_dev * PCI device information. - * @param[in] req_eth_da - * Requested ethdev device argument. - * @param[in] owner_id - * Requested owner PF port ID within bonding device, default to 0. * * @return * 0 on success, a negative errno value otherwise and rte_errno is set. */ static int -mlx5_os_pci_probe_pf(struct rte_pci_device *pci_dev, - struct rte_eth_devargs *req_eth_da, - uint16_t owner_id) +mlx5_os_pci_probe(struct rte_pci_device *pci_dev) { struct ibv_device **ibv_list; /* @@ -2169,32 +1911,25 @@ mlx5_os_pci_probe_pf(struct rte_pci_device *pci_dev, * PCI device and we have representors and master. */ unsigned int nd = 0; - /* - * Number of found IB device Ports. nd = 1 and np = 1..n means - * we have the single multiport IB device, and there may be - * representors attached to some of found ports. - */ - unsigned int np = 0; /* * Number of DPDK ethernet devices to Spawn - either over * multiple IB devices or multiple ports of single IB device. * Actually this is the number of iterations to spawn. */ unsigned int ns = 0; - /* - * Bonding device - * < 0 - no bonding device (single one) - * >= 0 - bonding device (value is slave PF index) - */ - int bd = -1; struct mlx5_dev_spawn_data *list = NULL; struct mlx5_dev_config dev_config; unsigned int dev_config_vf; - struct rte_eth_devargs eth_da = *req_eth_da; - struct rte_pci_addr owner_pci = pci_dev->addr; /* Owner PF. */ - struct mlx5_bond_info bond_info; - int ret = -1; + int ret; + if (rte_eal_process_type() == RTE_PROC_PRIMARY) + mlx5_pmd_socket_init(); + ret = mlx5_init_once(); + if (ret) { + DRV_LOG(ERR, "unable to init PMD global data: %s", + strerror(rte_errno)); + return -rte_errno; + } errno = 0; ibv_list = mlx5_glue->get_device_list(&ret); if (!ibv_list) { @@ -2207,55 +1942,23 @@ mlx5_os_pci_probe_pf(struct rte_pci_device *pci_dev, * matching ones, gathering into the list. */ struct ibv_device *ibv_match[ret + 1]; - int nl_route = mlx5_nl_init(NETLINK_ROUTE); - int nl_rdma = mlx5_nl_init(NETLINK_RDMA); unsigned int i; while (ret-- > 0) { struct rte_pci_addr pci_addr; DRV_LOG(DEBUG, "checking device \"%s\"", ibv_list[ret]->name); - bd = mlx5_device_bond_pci_match - (ibv_list[ret], &owner_pci, nl_rdma, owner_id, - &bond_info); - if (bd >= 0) { - /* - * Bonding device detected. Only one match is allowed, - * the bonding is supported over multi-port IB device, - * there should be no matches on representor PCI - * functions or non VF LAG bonding devices with - * specified address. - */ - if (nd) { - DRV_LOG(ERR, - "multiple PCI match on bonding device" - "\"%s\" found", ibv_list[ret]->name); - rte_errno = ENOENT; - ret = -rte_errno; - goto exit; - } - /* Amend owner pci address if owner PF ID specified. */ - if (eth_da.nb_representor_ports) - owner_pci.function += owner_id; - DRV_LOG(INFO, "PCI information matches for" - " slave %d bonding device \"%s\"", - bd, ibv_list[ret]->name); - ibv_match[nd++] = ibv_list[ret]; - break; - } else { - /* Bonding device not found. */ - if (mlx5_get_pci_addr(ibv_list[ret]->ibdev_path, - &pci_addr)) - continue; - if (owner_pci.domain != pci_addr.domain || - owner_pci.bus != pci_addr.bus || - owner_pci.devid != pci_addr.devid || - owner_pci.function != pci_addr.function) - continue; - DRV_LOG(INFO, "PCI information matches for device \"%s\"", - ibv_list[ret]->name); - ibv_match[nd++] = ibv_list[ret]; - } + if (mlx5_get_pci_addr + (ibv_list[ret]->ibdev_path, &pci_addr)) + continue; + if (pci_dev->addr.domain != pci_addr.domain || + pci_dev->addr.bus != pci_addr.bus || + pci_dev->addr.devid != pci_addr.devid || + pci_dev->addr.function != pci_addr.function) + continue; + DRV_LOG(INFO, "PCI information matches for device \"%s\"", + ibv_list[ret]->name); + ibv_match[nd++] = ibv_list[ret]; } ibv_match[nd] = NULL; if (!nd) { @@ -2263,38 +1966,18 @@ mlx5_os_pci_probe_pf(struct rte_pci_device *pci_dev, DRV_LOG(WARNING, "no Verbs device matches PCI device " PCI_PRI_FMT "," " are kernel drivers loaded?", - owner_pci.domain, owner_pci.bus, - owner_pci.devid, owner_pci.function); + pci_dev->addr.domain, pci_dev->addr.bus, + pci_dev->addr.devid, pci_dev->addr.function); rte_errno = ENOENT; ret = -rte_errno; goto exit; } - if (nd == 1) { - /* - * Found single matching device may have multiple ports. - * Each port may be representor, we have to check the port - * number and check the representors existence. - */ - if (nl_rdma >= 0) - np = mlx5_nl_portnum(nl_rdma, ibv_match[0]->name); - if (!np) - DRV_LOG(WARNING, "can not get IB device \"%s\"" - " ports number", ibv_match[0]->name); - if (bd >= 0 && !np) { - DRV_LOG(ERR, "can not get ports" - " for bonding device"); - rte_errno = ENOENT; - ret = -rte_errno; - goto exit; - } - } /* * Now we can determine the maximal * amount of devices to be spawned. */ list = mlx5_malloc(MLX5_MEM_ZERO, - sizeof(struct mlx5_dev_spawn_data) * - (np ? np : nd), + sizeof(struct mlx5_dev_spawn_data) * nd, RTE_CACHE_LINE_SIZE, SOCKET_ID_ANY); if (!list) { DRV_LOG(ERR, "spawn data array allocation failure"); @@ -2302,220 +1985,70 @@ mlx5_os_pci_probe_pf(struct rte_pci_device *pci_dev, ret = -rte_errno; goto exit; } - if (bd >= 0 || np > 1) { - /* - * Single IB device with multiple ports found, - * it may be E-Switch master device and representors. - * We have to perform identification through the ports. - */ - MLX5_ASSERT(nl_rdma >= 0); - MLX5_ASSERT(ns == 0); - MLX5_ASSERT(nd == 1); - MLX5_ASSERT(np); - for (i = 1; i <= np; ++i) { - list[ns].bond_info = &bond_info; - list[ns].max_port = np; - list[ns].phys_port = i; - list[ns].phys_dev = ibv_match[0]; - list[ns].eth_dev = NULL; - list[ns].pci_dev = pci_dev; - list[ns].pf_bond = bd; - list[ns].ifindex = mlx5_nl_ifindex - (nl_rdma, - mlx5_os_get_dev_device_name - (list[ns].phys_dev), i); + /* + * 1. A single IB device matches (nd == 1) and + * is not a representor, assume no switch + * support. + * + * 2. Otherwise no safe assumptions can be made; + * complain louder and bail out. + */ + MLX5_ASSERT(nd); + for (i = 0; i != nd; ++i) { + memset(&list[ns].info, 0, sizeof(list[ns].info)); + list[ns].max_port = 1; + list[ns].phys_port = 1; + list[ns].phys_dev = ibv_match[i]; + list[ns].eth_dev = NULL; + list[ns].pci_dev = pci_dev; + list[ns].pf_bond = -1; + list[ns].ifindex = 0; + if (!list[ns].ifindex) { + char ifname[IF_NAMESIZE]; + + ret = mlx5_get_ifname_sysfs(ibv_match[i]->ibdev_path, + ifname); + if (!ret) + list[ns].ifindex = + if_nametoindex(ifname); if (!list[ns].ifindex) { /* - * No network interface index found for the - * specified port, it means there is no - * representor on this port. It's OK, - * there can be disabled ports, for example - * if sriov_numvfs < sriov_totalvfs. - */ - continue; - } - ret = -1; - if (nl_route >= 0) - ret = mlx5_nl_switch_info - (nl_route, - list[ns].ifindex, - &list[ns].info); - if (ret || (!list[ns].info.representor && - !list[ns].info.master)) { - /* - * We failed to recognize representors with - * Netlink, let's try to perform the task - * with sysfs. + * No network interface index found + * for the specified device, it means + * there it is neither representor + * nor master. */ - ret = mlx5_sysfs_switch_info - (list[ns].ifindex, - &list[ns].info); - } - if (!ret && bd >= 0) { - switch (list[ns].info.name_type) { - case MLX5_PHYS_PORT_NAME_TYPE_UPLINK: - if (np == 1) { - /* - * Force standalone bonding - * device for ROCE LAG - * confgiurations. - */ - list[ns].info.master = 0; - list[ns].info.representor = 0; - } - if (list[ns].info.port_name == bd) - ns++; - break; - case MLX5_PHYS_PORT_NAME_TYPE_PFHPF: - /* Fallthrough */ - case MLX5_PHYS_PORT_NAME_TYPE_PFVF: - /* Fallthrough */ - case MLX5_PHYS_PORT_NAME_TYPE_PFSF: - if (list[ns].info.pf_num == bd) - ns++; - break; - default: - break; - } continue; } - if (!ret && (list[ns].info.representor ^ - list[ns].info.master)) - ns++; - } - if (!ns) { - DRV_LOG(ERR, - "unable to recognize master/representors" - " on the IB device with multiple ports"); - rte_errno = ENOENT; - ret = -rte_errno; - goto exit; - } - } else { - /* - * The existence of several matching entries (nd > 1) means - * port representors have been instantiated. No existing Verbs - * call nor sysfs entries can tell them apart, this can only - * be done through Netlink calls assuming kernel drivers are - * recent enough to support them. - * - * In the event of identification failure through Netlink, - * try again through sysfs, then: - * - * 1. A single IB device matches (nd == 1) with single - * port (np=0/1) and is not a representor, assume - * no switch support. - * - * 2. Otherwise no safe assumptions can be made; - * complain louder and bail out. - */ - for (i = 0; i != nd; ++i) { - memset(&list[ns].info, 0, sizeof(list[ns].info)); - list[ns].bond_info = NULL; - list[ns].max_port = 1; - list[ns].phys_port = 1; - list[ns].phys_dev = ibv_match[i]; - list[ns].eth_dev = NULL; - list[ns].pci_dev = pci_dev; - list[ns].pf_bond = -1; - list[ns].ifindex = 0; - if (nl_rdma >= 0) - list[ns].ifindex = mlx5_nl_ifindex - (nl_rdma, - mlx5_os_get_dev_device_name - (list[ns].phys_dev), 1); - if (!list[ns].ifindex) { - char ifname[IF_NAMESIZE]; - - /* - * Netlink failed, it may happen with old - * ib_core kernel driver (before 4.16). - * We can assume there is old driver because - * here we are processing single ports IB - * devices. Let's try sysfs to retrieve - * the ifindex. The method works for - * master device only. - */ - if (nd > 1) { - /* - * Multiple devices found, assume - * representors, can not distinguish - * master/representor and retrieve - * ifindex via sysfs. - */ - continue; - } - ret = mlx5_get_ifname_sysfs - (ibv_match[i]->ibdev_path, ifname); - if (!ret) - list[ns].ifindex = - if_nametoindex(ifname); - if (!list[ns].ifindex) { - /* - * No network interface index found - * for the specified device, it means - * there it is neither representor - * nor master. - */ - continue; - } - } - ret = -1; - if (nl_route >= 0) - ret = mlx5_nl_switch_info - (nl_route, - list[ns].ifindex, - &list[ns].info); - if (ret || (!list[ns].info.representor && - !list[ns].info.master)) { - /* - * We failed to recognize representors with - * Netlink, let's try to perform the task - * with sysfs. - */ - ret = mlx5_sysfs_switch_info - (list[ns].ifindex, - &list[ns].info); - } - if (!ret && (list[ns].info.representor ^ - list[ns].info.master)) { - ns++; - } else if ((nd == 1) && - !list[ns].info.representor && - !list[ns].info.master) { - /* - * Single IB device with - * one physical port and - * attached network device. - * May be SRIOV is not enabled - * or there is no representors. - */ - DRV_LOG(INFO, "no E-Switch support detected"); - ns++; - break; - } } - if (!ns) { - DRV_LOG(ERR, - "unable to recognize master/representors" - " on the multiple IB devices"); - rte_errno = ENOENT; - ret = -rte_errno; - goto exit; - } - /* - * New kernels may add the switch_id attribute for the case - * there is no E-Switch and we wrongly recognized the - * only device as master. Override this if there is the - * single device with single port and new device name - * format present. - */ - if (nd == 1 && - list[0].info.name_type == MLX5_PHYS_PORT_NAME_TYPE_UPLINK) { - list[0].info.master = 0; - list[0].info.representor = 0; + ret = -1; + if (!ret && (list[ns].info.representor ^ + list[ns].info.master)) { + ns++; + } else if ((nd == 1) && + !list[ns].info.representor && + !list[ns].info.master) { + /* + * Single IB device with + * one physical port and + * attached network device. + * May be SRIOV is not enabled + * or there is no representors. + */ + DRV_LOG(INFO, "no E-Switch support detected"); + ns++; + break; } } + if (!ns) { + DRV_LOG(ERR, + "unable to recognize master/representors" + " on the multiple IB devices"); + rte_errno = ENOENT; + ret = -rte_errno; + goto exit; + } + MLX5_ASSERT(ns); /* * Sort list to probe devices in natural order for users convenience @@ -2537,35 +2070,17 @@ mlx5_os_pci_probe_pf(struct rte_pci_device *pci_dev, dev_config_vf = 0; break; } - if (eth_da.type != RTE_ETH_REPRESENTOR_NONE) { - /* Set devargs default values. */ - if (eth_da.nb_mh_controllers == 0) { - eth_da.nb_mh_controllers = 1; - eth_da.mh_controllers[0] = 0; - } - if (eth_da.nb_ports == 0 && ns > 0) { - if (list[0].pf_bond >= 0 && list[0].info.representor) - DRV_LOG(WARNING, "Representor on Bonding device should use pf#vf# syntax: %s", - pci_dev->device.devargs->args); - eth_da.nb_ports = 1; - eth_da.ports[0] = list[0].info.pf_num; - } - if (eth_da.nb_representor_ports == 0) { - eth_da.nb_representor_ports = 1; - eth_da.representor_ports[0] = 0; - } - } for (i = 0; i != ns; ++i) { uint32_t restore; /* Default configuration. */ mlx5_os_config_default(&dev_config); dev_config.vf = dev_config_vf; + dev_config.allow_duplicate_pattern = 1; list[i].numa_node = pci_dev->device.numa_node; list[i].eth_dev = mlx5_dev_spawn(&pci_dev->device, &list[i], - &dev_config, - ð_da); + &dev_config); if (!list[i].eth_dev) { if (rte_errno != EBUSY && rte_errno != EEXIST) break; @@ -2574,31 +2089,6 @@ mlx5_os_pci_probe_pf(struct rte_pci_device *pci_dev, } restore = list[i].eth_dev->data->dev_flags; rte_eth_copy_pci_info(list[i].eth_dev, pci_dev); - /** - * Each representor has a dedicated interrupts vector. - * rte_eth_copy_pci_info() assigns PF interrupts handle to - * representor eth_dev object because representor and PF - * share the same PCI address. - * Override representor device with a dedicated - * interrupts handle here. - * Representor interrupts handle is released in mlx5_dev_stop(). - */ - if (list[i].info.representor) { - struct rte_intr_handle *intr_handle; - intr_handle = mlx5_malloc(MLX5_MEM_SYS | MLX5_MEM_ZERO, - sizeof(*intr_handle), 0, - SOCKET_ID_ANY); - if (!intr_handle) { - DRV_LOG(ERR, - "port %u failed to allocate memory for interrupt handler " - "Rx interrupts will not be supported", - i); - rte_errno = ENOMEM; - ret = -rte_errno; - goto exit; - } - list[i].eth_dev->intr_handle = intr_handle; - } /* Restore non-PCI flags cleared by the above call. */ list[i].eth_dev->data->dev_flags |= restore; rte_eth_dev_probing_finish(list[i].eth_dev); @@ -2607,8 +2097,8 @@ mlx5_os_pci_probe_pf(struct rte_pci_device *pci_dev, DRV_LOG(ERR, "probe of PCI device " PCI_PRI_FMT " aborted after" " encountering an error: %s", - owner_pci.domain, owner_pci.bus, - owner_pci.devid, owner_pci.function, + pci_dev->addr.domain, pci_dev->addr.bus, + pci_dev->addr.devid, pci_dev->addr.function, strerror(rte_errno)); ret = -rte_errno; /* Roll back. */ @@ -2628,14 +2118,9 @@ mlx5_os_pci_probe_pf(struct rte_pci_device *pci_dev, exit: /* * Do the routine cleanup: - * - close opened Netlink sockets * - free allocated spawn data array * - free the Infiniband device list */ - if (nl_rdma >= 0) - close(nl_rdma); - if (nl_route >= 0) - close(nl_route); if (list) mlx5_free(list); MLX5_ASSERT(ibv_list); @@ -2643,78 +2128,6 @@ mlx5_os_pci_probe_pf(struct rte_pci_device *pci_dev, return ret; } -static int -mlx5_os_parse_eth_devargs(struct rte_device *dev, - struct rte_eth_devargs *eth_da) -{ - int ret = 0; - - if (dev->devargs == NULL) - return 0; - memset(eth_da, 0, sizeof(*eth_da)); - /* Parse representor information first from class argument. */ - if (dev->devargs->cls_str) - ret = rte_eth_devargs_parse(dev->devargs->cls_str, eth_da); - if (ret != 0) { - DRV_LOG(ERR, "failed to parse device arguments: %s", - dev->devargs->cls_str); - return -rte_errno; - } - if (eth_da->type == RTE_ETH_REPRESENTOR_NONE) { - /* Parse legacy device argument */ - ret = rte_eth_devargs_parse(dev->devargs->args, eth_da); - if (ret) { - DRV_LOG(ERR, "failed to parse device arguments: %s", - dev->devargs->args); - return -rte_errno; - } - } - return 0; -} - -/** - * Callback to register a PCI device. - * - * This function spawns Ethernet devices out of a given PCI device. - * - * @param[in] pci_dev - * PCI device information. - * - * @return - * 0 on success, a negative errno value otherwise and rte_errno is set. - */ -static int -mlx5_os_pci_probe(struct rte_pci_device *pci_dev) -{ - struct rte_eth_devargs eth_da = { .nb_ports = 0 }; - int ret = 0; - uint16_t p; - - ret = mlx5_os_parse_eth_devargs(&pci_dev->device, ð_da); - if (ret != 0) - return ret; - - if (eth_da.nb_ports > 0) { - /* Iterate all port if devargs pf is range: "pf[0-1]vf[...]". */ - for (p = 0; p < eth_da.nb_ports; p++) { - ret = mlx5_os_pci_probe_pf(pci_dev, ð_da, - eth_da.ports[p]); - if (ret) - break; - } - if (ret) { - DRV_LOG(ERR, "Probe of PCI device " PCI_PRI_FMT " " - "aborted due to proding failure of PF %u", - pci_dev->addr.domain, pci_dev->addr.bus, - pci_dev->addr.devid, pci_dev->addr.function, - eth_da.ports[p]); - mlx5_net_remove(&pci_dev->device); - } - } else { - ret = mlx5_os_pci_probe_pf(pci_dev, ð_da, 0); - } - return ret; -} /** * Net class driver callback to probe a device. * @@ -3040,13 +2453,8 @@ mlx5_os_set_reg_mr_cb(mlx5_reg_mr_t *reg_mr_cb, void mlx5_os_mac_addr_remove(struct rte_eth_dev *dev, uint32_t index) { - struct mlx5_priv *priv = dev->data->dev_private; - const int vf = priv->config.vf; - - if (vf) - mlx5_nl_mac_addr_remove(priv->nl_socket_route, - mlx5_ifindex(dev), priv->mac_own, - &dev->data->mac_addrs[index], index); + RTE_SET_USED(dev); + RTE_SET_USED(index); } /** @@ -3066,15 +2474,11 @@ int mlx5_os_mac_addr_add(struct rte_eth_dev *dev, struct rte_ether_addr *mac, uint32_t index) { - struct mlx5_priv *priv = dev->data->dev_private; - const int vf = priv->config.vf; - int ret = 0; - - if (vf) - ret = mlx5_nl_mac_addr_add(priv->nl_socket_route, - mlx5_ifindex(dev), priv->mac_own, - mac, index); - return ret; + RTE_SET_USED(dev); + RTE_SET_USED(mac); + RTE_SET_USED(index); + + return -ENOTSUP; } /** @@ -3098,8 +2502,12 @@ mlx5_os_vf_mac_addr_modify(struct mlx5_priv *priv, struct rte_ether_addr *mac_addr, int vf_index) { - return mlx5_nl_vf_mac_addr_modify - (priv->nl_socket_route, iface_idx, mac_addr, vf_index); + RTE_SET_USED(priv); + RTE_SET_USED(idx); + RTE_SET_USED(mac_addr); + RTE_SET_USED(vf_index); + + return -ENOTSUP; } /** @@ -3116,10 +2524,10 @@ mlx5_os_vf_mac_addr_modify(struct mlx5_priv *priv, int mlx5_os_set_promisc(struct rte_eth_dev *dev, int enable) { - struct mlx5_priv *priv = dev->data->dev_private; + RTE_SET_USED(dev); + RTE_SET_USED(enable); - return mlx5_nl_promisc(priv->nl_socket_route, - mlx5_ifindex(dev), !!enable); + return -ENOTSUP; } /** @@ -3136,10 +2544,10 @@ mlx5_os_set_promisc(struct rte_eth_dev *dev, int enable) int mlx5_os_set_allmulti(struct rte_eth_dev *dev, int enable) { - struct mlx5_priv *priv = dev->data->dev_private; + RTE_SET_USED(dev); + RTE_SET_USED(enable); - return mlx5_nl_allmulti(priv->nl_socket_route, - mlx5_ifindex(dev), !!enable); + return -ENOTSUP; } /** @@ -3152,9 +2560,5 @@ mlx5_os_set_allmulti(struct rte_eth_dev *dev, int enable) void mlx5_os_mac_addr_flush(struct rte_eth_dev *dev) { - struct mlx5_priv *priv = dev->data->dev_private; - - mlx5_nl_mac_addr_flush(priv->nl_socket_route, mlx5_ifindex(dev), - dev->data->mac_addrs, - MLX5_MAX_MAC_ADDRESSES, priv->mac_own); + RTE_SET_USED(dev); } -- 2.30.2