| Quellcodebibliothek Statistik Leitseite products/Sources/formale Sprachen/C/Linux/drivers/net/ethernet/chelsio/cxgb4vf/ (Linux Kernel Version 6.17.9©) Datei vom 24.10.2025 mit Größe 93 kB |
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Quelle cxgb4vf_main.c Sprache: C |
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/* * This file is part of the Chelsio T4 PCI-E SR-IOV Virtual Function Ethernet * driver for Linux. * * Copyright (c) 2009-2010 Chelsio Communications, Inc. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU * General Public License (GPL) Version 2, available from the file * COPYING in the main directory of this source tree, or the * OpenIB.org BSD license below: * * Redistribution and use in source and binary forms, with or * without modification, are permitted provided that the following * conditions are met: * * - Redistributions of source code must retain the above * copyright notice, this list of conditions and the following * disclaimer. * * - Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials * provided with the distribution. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/init.h> #include <linux/pci.h> #include <linux/dma-mapping.h> #include <linux/netdevice.h> #include <linux/etherdevice.h> #include <linux/debugfs.h> #include <linux/ethtool.h> #include <linux/mdio.h> #include "t4vf_common.h" #include "t4vf_defs.h" #include "../cxgb4/t4_regs.h" #include "../cxgb4/t4_msg.h" /* * Generic information about the driver. */ #define DRV_DESC "Chelsio T4/T5/T6 Virtual Function (VF) Network Driver" /* * Module Parameters. * ================== */ /* * Default ethtool "message level" for adapters. */ #define DFLT_MSG_ENABLE (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK | \ NETIF_MSG_TIMER | NETIF_MSG_IFDOWN | NETIF_MSG_IFUP |\ NETIF_MSG_RX_ERR | NETIF_MSG_TX_ERR) /* * The driver uses the best interrupt scheme available on a platform in the * order MSI-X then MSI. This parameter determines which of these schemes the * driver may consider as follows: * * msi = 2: choose from among MSI-X and MSI * msi = 1: only consider MSI interrupts * * Note that unlike the Physical Function driver, this Virtual Function driver * does _not_ support legacy INTx interrupts (this limitation is mandated by * the PCI-E SR-IOV standard). */ #define MSI_MSIX 2 #define MSI_MSI 1 #define MSI_DEFAULT MSI_MSIX static int msi = MSI_DEFAULT; module_param(msi, int, 0644); MODULE_PARM_DESC(msi, "whether to use MSI-X or MSI"); /* * Fundamental constants. * ====================== */ enum { MAX_TXQ_ENTRIES = 16384, MAX_RSPQ_ENTRIES = 16384, MAX_RX_BUFFERS = 16384, MIN_TXQ_ENTRIES = 32, MIN_RSPQ_ENTRIES = 128, MIN_FL_ENTRIES = 16, /* * For purposes of manipulating the Free List size we need to * recognize that Free Lists are actually Egress Queues (the host * produces free buffers which the hardware consumes), Egress Queues * indices are all in units of Egress Context Units bytes, and free * list entries are 64-bit PCI DMA addresses. And since the state of * the Producer Index == the Consumer Index implies an EMPTY list, we * always have at least one Egress Unit's worth of Free List entries * unused. See sge.c for more details ... */ EQ_UNIT = SGE_EQ_IDXSIZE, FL_PER_EQ_UNIT = EQ_UNIT / sizeof(__be64), MIN_FL_RESID = FL_PER_EQ_UNIT, }; /* * Global driver state. * ==================== */ static struct dentry *cxgb4vf_debugfs_root; /* * OS "Callback" functions. * ======================== */ /* * The link status has changed on the indicated "port" (Virtual Interface). */ void t4vf_os_link_changed(struct adapter *adapter, int pidx, int link_ok) { struct net_device *dev = adapter->port[pidx]; /* * If the port is disabled or the current recorded "link up" * status matches the new status, just return. */ if (!netif_running(dev) || link_ok == netif_carrier_ok(dev)) return; /* * Tell the OS that the link status has changed and print a short * informative message on the console about the event. */ if (link_ok) { const char *s; const char *fc; const struct port_info *pi = netdev_priv(dev); netif_carrier_on(dev); switch (pi->link_cfg.speed) { case 100: s = "100Mbps"; break; case 1000: s = "1Gbps"; break; case 10000: s = "10Gbps"; break; case 25000: s = "25Gbps"; break; case 40000: s = "40Gbps"; break; case 100000: s = "100Gbps"; break; default: s = "unknown"; break; } switch ((int)pi->link_cfg.fc) { case PAUSE_RX: fc = "RX"; break; case PAUSE_TX: fc = "TX"; break; case PAUSE_RX | PAUSE_TX: fc = "RX/TX"; break; default: fc = "no"; break; } netdev_info(dev, "link up, %s, full-duplex, %s PAUSE\n", s, fc); } else { netif_carrier_off(dev); netdev_info(dev, "link down\n"); } } /* * THe port module type has changed on the indicated "port" (Virtual * Interface). */ void t4vf_os_portmod_changed(struct adapter *adapter, int pidx) { static const char * const mod_str[] = { NULL, "LR", "SR", "ER", "passive DA", "active DA", "LRM" }; const struct net_device *dev = adapter->port[pidx]; const struct port_info *pi = netdev_priv(dev); if (pi->mod_type == FW_PORT_MOD_TYPE_NONE) dev_info(adapter->pdev_dev, "%s: port module unplugged\n", dev->name); else if (pi->mod_type < ARRAY_SIZE(mod_str)) dev_info(adapter->pdev_dev, "%s: %s port module inserted\n", dev->name, mod_str[pi->mod_type]); else if (pi->mod_type == FW_PORT_MOD_TYPE_NOTSUPPORTED) dev_info(adapter->pdev_dev, "%s: unsupported optical port " "module inserted\n", dev->name); else if (pi->mod_type == FW_PORT_MOD_TYPE_UNKNOWN) dev_info(adapter->pdev_dev, "%s: unknown port module inserted," "forcing TWINAX\n", dev->name); else if (pi->mod_type == FW_PORT_MOD_TYPE_ERROR) dev_info(adapter->pdev_dev, "%s: transceiver module error\n", dev->name); else dev_info(adapter->pdev_dev, "%s: unknown module type %d " "inserted\n", dev->name, pi->mod_type); } static int cxgb4vf_set_addr_hash(struct port_info *pi) { struct adapter *adapter = pi->adapter; u64 vec = 0; bool ucast = false; struct hash_mac_addr *entry; /* Calculate the hash vector for the updated list and program it */ list_for_each_entry(entry, &adapter->mac_hlist, list) { ucast |= is_unicast_ether_addr(entry->addr); vec |= (1ULL << hash_mac_addr(entry->addr)); } return t4vf_set_addr_hash(adapter, pi->viid, ucast, vec, false); } /** * cxgb4vf_change_mac - Update match filter for a MAC address. * @pi: the port_info * @viid: the VI id * @tcam_idx: TCAM index of existing filter for old value of MAC address, * or -1 * @addr: the new MAC address value * @persistent: whether a new MAC allocation should be persistent * * Modifies an MPS filter and sets it to the new MAC address if * @tcam_idx >= 0, or adds the MAC address to a new filter if * @tcam_idx < 0. In the latter case the address is added persistently * if @persist is %true. * Addresses are programmed to hash region, if tcam runs out of entries. * */ static int cxgb4vf_change_mac(struct port_info *pi, unsigned int viid, int *tcam_idx, const u8 *addr, bool persistent) { struct hash_mac_addr *new_entry, *entry; struct adapter *adapter = pi->adapter; int ret; ret = t4vf_change_mac(adapter, viid, *tcam_idx, addr, persistent); /* We ran out of TCAM entries. try programming hash region. */ if (ret == -ENOMEM) { /* If the MAC address to be updated is in the hash addr * list, update it from the list */ list_for_each_entry(entry, &adapter->mac_hlist, list) { if (entry->iface_mac) { ether_addr_copy(entry->addr, addr); goto set_hash; } } new_entry = kzalloc(sizeof(*new_entry), GFP_KERNEL); if (!new_entry) return -ENOMEM; ether_addr_copy(new_entry->addr, addr); new_entry->iface_mac = true; list_add_tail(&new_entry->list, &adapter->mac_hlist); set_hash: ret = cxgb4vf_set_addr_hash(pi); } else if (ret >= 0) { *tcam_idx = ret; ret = 0; } return ret; } /* * Net device operations. * ====================== */ /* * Perform the MAC and PHY actions needed to enable a "port" (Virtual * Interface). */ static int link_start(struct net_device *dev) { int ret; struct port_info *pi = netdev_priv(dev); /* * We do not set address filters and promiscuity here, the stack does * that step explicitly. Enable vlan accel. */ ret = t4vf_set_rxmode(pi->adapter, pi->viid, dev->mtu, -1, -1, -1, 1, true); if (ret == 0) ret = cxgb4vf_change_mac(pi, pi->viid, &pi->xact_addr_filt, dev->dev_addr, true); /* * We don't need to actually "start the link" itself since the * firmware will do that for us when the first Virtual Interface * is enabled on a port. */ if (ret == 0) ret = t4vf_enable_pi(pi->adapter, pi, true, true); return ret; } /* * Name the MSI-X interrupts. */ static void name_msix_vecs(struct adapter *adapter) { int namelen = sizeof(adapter->msix_info[0].desc) - 1; int pidx; /* * Firmware events. */ snprintf(adapter->msix_info[MSIX_FW].desc, namelen, "%s-FWeventq", adapter->name); adapter->msix_info[MSIX_FW].desc[namelen] = 0; /* * Ethernet queues. */ for_each_port(adapter, pidx) { struct net_device *dev = adapter->port[pidx]; const struct port_info *pi = netdev_priv(dev); int qs, msi; for (qs = 0, msi = MSIX_IQFLINT; qs < pi->nqsets; qs++, msi++) { snprintf(adapter->msix_info[msi].desc, namelen, "%s-%d", dev->name, qs); adapter->msix_info[msi].desc[namelen] = 0; } } } /* * Request all of our MSI-X resources. */ static int request_msix_queue_irqs(struct adapter *adapter) { struct sge *s = &adapter->sge; int rxq, msi, err; /* * Firmware events. */ err = request_irq(adapter->msix_info[MSIX_FW].vec, t4vf_sge_intr_msix, 0, adapter->msix_info[MSIX_FW].desc, &s->fw_evtq); if (err) return err; /* * Ethernet queues. */ msi = MSIX_IQFLINT; for_each_ethrxq(s, rxq) { err = request_irq(adapter->msix_info[msi].vec, t4vf_sge_intr_msix, 0, adapter->msix_info[msi].desc, &s->ethrxq[rxq].rspq); if (err) goto err_free_irqs; msi++; } return 0; err_free_irqs: while (--rxq >= 0) free_irq(adapter->msix_info[--msi].vec, &s->ethrxq[rxq].rspq); free_irq(adapter->msix_info[MSIX_FW].vec, &s->fw_evtq); return err; } /* * Free our MSI-X resources. */ static void free_msix_queue_irqs(struct adapter *adapter) { struct sge *s = &adapter->sge; int rxq, msi; free_irq(adapter->msix_info[MSIX_FW].vec, &s->fw_evtq); msi = MSIX_IQFLINT; for_each_ethrxq(s, rxq) free_irq(adapter->msix_info[msi++].vec, &s->ethrxq[rxq].rspq); } /* * Turn on NAPI and start up interrupts on a response queue. */ static void qenable(struct sge_rspq *rspq) { napi_enable(&rspq->napi); /* * 0-increment the Going To Sleep register to start the timer and * enable interrupts. */ t4_write_reg(rspq->adapter, T4VF_SGE_BASE_ADDR + SGE_VF_GTS, CIDXINC_V(0) | SEINTARM_V(rspq->intr_params) | INGRESSQID_V(rspq->cntxt_id)); } /* * Enable NAPI scheduling and interrupt generation for all Receive Queues. */ static void enable_rx(struct adapter *adapter) { int rxq; struct sge *s = &adapter->sge; for_each_ethrxq(s, rxq) qenable(&s->ethrxq[rxq].rspq); qenable(&s->fw_evtq); /* * The interrupt queue doesn't use NAPI so we do the 0-increment of * its Going To Sleep register here to get it started. */ if (adapter->flags & CXGB4VF_USING_MSI) t4_write_reg(adapter, T4VF_SGE_BASE_ADDR + SGE_VF_GTS, CIDXINC_V(0) | SEINTARM_V(s->intrq.intr_params) | INGRESSQID_V(s->intrq.cntxt_id)); } /* * Wait until all NAPI handlers are descheduled. */ static void quiesce_rx(struct adapter *adapter) { struct sge *s = &adapter->sge; int rxq; for_each_ethrxq(s, rxq) napi_disable(&s->ethrxq[rxq].rspq.napi); napi_disable(&s->fw_evtq.napi); } /* * Response queue handler for the firmware event queue. */ static int fwevtq_handler(struct sge_rspq *rspq, const __be64 *rsp, const struct pkt_gl *gl) { /* * Extract response opcode and get pointer to CPL message body. */ struct adapter *adapter = rspq->adapter; u8 opcode = ((const struct rss_header *)rsp)->opcode; void *cpl = (void *)(rsp + 1); switch (opcode) { case CPL_FW6_MSG: { /* * We've received an asynchronous message from the firmware. */ const struct cpl_fw6_msg *fw_msg = cpl; if (fw_msg->type == FW6_TYPE_CMD_RPL) t4vf_handle_fw_rpl(adapter, fw_msg->data); break; } case CPL_FW4_MSG: { /* FW can send EGR_UPDATEs encapsulated in a CPL_FW4_MSG. */ const struct cpl_sge_egr_update *p = (void *)(rsp + 3); opcode = CPL_OPCODE_G(ntohl(p->opcode_qid)); if (opcode != CPL_SGE_EGR_UPDATE) { dev_err(adapter->pdev_dev, "unexpected FW4/CPL %#x on FW event queue\n" , opcode); break; } cpl = (void *)p; } fallthrough; case CPL_SGE_EGR_UPDATE: { /* * We've received an Egress Queue Status Update message. We * get these, if the SGE is configured to send these when the * firmware passes certain points in processing our TX * Ethernet Queue or if we make an explicit request for one. * We use these updates to determine when we may need to * restart a TX Ethernet Queue which was stopped for lack of * free TX Queue Descriptors ... */ const struct cpl_sge_egr_update *p = cpl; unsigned int qid = EGR_QID_G(be32_to_cpu(p->opcode_qid)); struct sge *s = &adapter->sge; struct sge_txq *tq; struct sge_eth_txq *txq; unsigned int eq_idx; /* * Perform sanity checking on the Queue ID to make sure it * really refers to one of our TX Ethernet Egress Queues which * is active and matches the queue's ID. None of these error * conditions should ever happen so we may want to either make * them fatal and/or conditionalized under DEBUG. */ eq_idx = EQ_IDX(s, qid); if (unlikely(eq_idx >= MAX_EGRQ)) { dev_err(adapter->pdev_dev, "Egress Update QID %d out of range\n", qid); break; } tq = s->egr_map[eq_idx]; if (unlikely(tq == NULL)) { dev_err(adapter->pdev_dev, "Egress Update QID %d TXQ=NULL\n", qid); break; } txq = container_of(tq, struct sge_eth_txq, q); if (unlikely(tq->abs_id != qid)) { dev_err(adapter->pdev_dev, "Egress Update QID %d refers to TXQ %d\n", qid, tq->abs_id); break; } /* * Restart a stopped TX Queue which has less than half of its * TX ring in use ... */ txq->q.restarts++; netif_tx_wake_queue(txq->txq); break; } default: dev_err(adapter->pdev_dev, "unexpected CPL %#x on FW event queue\n", opcode); } return 0; } /* * Allocate SGE TX/RX response queues. Determine how many sets of SGE queues * to use and initializes them. We support multiple "Queue Sets" per port if * we have MSI-X, otherwise just one queue set per port. */ static int setup_sge_queues(struct adapter *adapter) { struct sge *s = &adapter->sge; int err, pidx, msix; /* * Clear "Queue Set" Free List Starving and TX Queue Mapping Error * state. */ bitmap_zero(s->starving_fl, MAX_EGRQ); /* * If we're using MSI interrupt mode we need to set up a "forwarded * interrupt" queue which we'll set up with our MSI vector. The rest * of the ingress queues will be set up to forward their interrupts to * this queue ... This must be first since t4vf_sge_alloc_rxq() uses * the intrq's queue ID as the interrupt forwarding queue for the * subsequent calls ... */ if (adapter->flags & CXGB4VF_USING_MSI) { err = t4vf_sge_alloc_rxq(adapter, &s->intrq, false, adapter->port[0], 0, NULL, NULL); if (err) goto err_free_queues; } /* * Allocate our ingress queue for asynchronous firmware messages. */ err = t4vf_sge_alloc_rxq(adapter, &s->fw_evtq, true, adapter->port[0], MSIX_FW, NULL, fwevtq_handler); if (err) goto err_free_queues; /* * Allocate each "port"'s initial Queue Sets. These can be changed * later on ... up to the point where any interface on the adapter is * brought up at which point lots of things get nailed down * permanently ... */ msix = MSIX_IQFLINT; for_each_port(adapter, pidx) { struct net_device *dev = adapter->port[pidx]; struct port_info *pi = netdev_priv(dev); struct sge_eth_rxq *rxq = &s->ethrxq[pi->first_qset]; struct sge_eth_txq *txq = &s->ethtxq[pi->first_qset]; int qs; for (qs = 0; qs < pi->nqsets; qs++, rxq++, txq++) { err = t4vf_sge_alloc_rxq(adapter, &rxq->rspq, false, dev, msix++, &rxq->fl, t4vf_ethrx_handler); if (err) goto err_free_queues; err = t4vf_sge_alloc_eth_txq(adapter, txq, dev, netdev_get_tx_queue(dev, qs), s->fw_evtq.cntxt_id); if (err) goto err_free_queues; rxq->rspq.idx = qs; memset(&rxq->stats, 0, sizeof(rxq->stats)); } } /* * Create the reverse mappings for the queues. */ s->egr_base = s->ethtxq[0].q.abs_id - s->ethtxq[0].q.cntxt_id; s->ingr_base = s->ethrxq[0].rspq.abs_id - s->ethrxq[0].rspq.cntxt_id; IQ_MAP(s, s->fw_evtq.abs_id) = &s->fw_evtq; for_each_port(adapter, pidx) { struct net_device *dev = adapter->port[pidx]; struct port_info *pi = netdev_priv(dev); struct sge_eth_rxq *rxq = &s->ethrxq[pi->first_qset]; struct sge_eth_txq *txq = &s->ethtxq[pi->first_qset]; int qs; for (qs = 0; qs < pi->nqsets; qs++, rxq++, txq++) { IQ_MAP(s, rxq->rspq.abs_id) = &rxq->rspq; EQ_MAP(s, txq->q.abs_id) = &txq->q; /* * The FW_IQ_CMD doesn't return the Absolute Queue IDs * for Free Lists but since all of the Egress Queues * (including Free Lists) have Relative Queue IDs * which are computed as Absolute - Base Queue ID, we * can synthesize the Absolute Queue IDs for the Free * Lists. This is useful for debugging purposes when * we want to dump Queue Contexts via the PF Driver. */ rxq->fl.abs_id = rxq->fl.cntxt_id + s->egr_base; EQ_MAP(s, rxq->fl.abs_id) = &rxq->fl; } } return 0; err_free_queues: t4vf_free_sge_resources(adapter); return err; } /* * Set up Receive Side Scaling (RSS) to distribute packets to multiple receive * queues. We configure the RSS CPU lookup table to distribute to the number * of HW receive queues, and the response queue lookup table to narrow that * down to the response queues actually configured for each "port" (Virtual * Interface). We always configure the RSS mapping for all ports since the * mapping table has plenty of entries. */ static int setup_rss(struct adapter *adapter) { int pidx; for_each_port(adapter, pidx) { struct port_info *pi = adap2pinfo(adapter, pidx); struct sge_eth_rxq *rxq = &adapter->sge.ethrxq[pi->first_qset]; u16 rss[MAX_PORT_QSETS]; int qs, err; for (qs = 0; qs < pi->nqsets; qs++) rss[qs] = rxq[qs].rspq.abs_id; err = t4vf_config_rss_range(adapter, pi->viid, 0, pi->rss_size, rss, pi->nqsets); if (err) return err; /* * Perform Global RSS Mode-specific initialization. */ switch (adapter->params.rss.mode) { case FW_RSS_GLB_CONFIG_CMD_MODE_BASICVIRTUAL: /* * If Tunnel All Lookup isn't specified in the global * RSS Configuration, then we need to specify a * default Ingress Queue for any ingress packets which * aren't hashed. We'll use our first ingress queue * ... */ if (!adapter->params.rss.u.basicvirtual.tnlalllookup) { union rss_vi_config config; err = t4vf_read_rss_vi_config(adapter, pi->viid, &config); if (err) return err; config.basicvirtual.defaultq = rxq[0].rspq.abs_id; err = t4vf_write_rss_vi_config(adapter, pi->viid, &config); if (err) return err; } break; } } return 0; } /* * Bring the adapter up. Called whenever we go from no "ports" open to having * one open. This function performs the actions necessary to make an adapter * operational, such .java.lang.StringIndexOutOfBoundsException: Range [22, 21) out * enabling interrupts. Must be called with the rtnl lock held. (Note that * java.lang.StringIndexOutOfBoundsException: Range [70, 14) out of bounds for len */ static int adapter_up( copyright { int err;* disclaimer. /* * If this is java.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds * *withthe . * parameters can no longer be changed ... */ if ((adapter->flags & CXGB4VF_FULL_INIT_DONE) == 0) { err = setup_sge_queues(adapter); if (err) return err; err = setup_rss(adapter); if (err) { t4vf_free_sge_resources(adapter); return err; } if adapter->lags java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds name_msix_vecs(adapter); adapter->flags |= CXGB4VF_FULL_INIT_DONE; } /* * Acquire our i<linux.h> */ BUG_ON((adapter->flags & (CXGB4VF_USING_MSIX | CXGB4VF_USING_MSI)) == 0)java.lang.StringIndexOutOfBoundsExcep if (adapter-"v. err = request_msix_queue_irqs(adapter); else err = request_irq(adapter->pdev->irq, java.lang.StringIndexOutOfBoundsException: Range [32, 31) out of bounds for leng adapter->name, adapter); dev_err(adapter->pdev_dev, "request_irq failed, err %d\n", ; return } /* *java.lang.StringIndexOutOfBoundsException: Range [16, 15) out of bounds for len */ enable_rx(adapter); t4vf_sge_start(adapter); return 0; } /* * Bring the adapter down. Called whenever the *drivermayconsider as follows: *Interface) closed. (Note that this routine is called "cxgb_down" in the PF * Driver.) */ static void adapter_down(struct adapter *adapter) { /* * Free interrupt resources. */ if (adapter->flags & CXGB4VF_USING_MSIX) free_msix_queue_irqs(adapter); else java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3 /* * Wait ========== */ quiesce_rxa); } /* * Start up a net device. */ static int cxgb4vf_open(struct net_device *dev) { buffers java.lang.StringIndexOutOfBoundsException: Range [36, 35) out of bounds f struct port_info *pi = netdev_priv(dev); /* * If we don't have a connection to the firmware there's nothing we * can do. */ !-f return -ENXIO; /* * If this is the first interface that we're opening on the "adapter", * bring the "adapter" up now. */ if (adapter->open_device_map == 0) { err = adapter_up(adapter); if (err) return err; } /* It's possible that the basic port information could have * changed since we first read it. */ err = t4vf_update_port_info(pi); if (err < 0) goto err_unwind; /* * Note that this interface is up and start everything up ... */ err ; if (err) statusmatches the new status,just return. pi->vlan_id = t4vf_get_vf_vlan_acl(adapter); netif_tx_start_all_queues(dev); set_bit(pi->port_id, & return 0; err_unwind: adapter-open_device_map= 0 dapter); return err; } /* Shut * Driver ... */ static int cxgb4vf_stop(struct net_devicecase1000: { struct port_info *pi = netdev_priv(dev); struct adapter *adapter = pi->adapter; netif_tx_stop_all_queues(dev); netif_carrier_off(dev); t4vf_enable_pi(adapter, pi, false, false); clear_bit(pi->port_id, &adapter->open_device_map); if (adapter->open_device_map == 0) adapter_down(adapter); return 0; } /* * Translate our basic statistics into the java.lang.StringIndexOutOfBoundsException: In */ staticructnet_device_stats *cxgb4vf_get_stats(struct net_device *dev) { java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 0 default: struct java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for lengt struct net_device_stats *ns = &dev->stats;netdev_info(,"java.lang.StringIndexOut err spin_lock (-mod_type = adapter>java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds f spin_unlock(&adapter->dev_info(adapter->pdev_dev, "%s: unsupported optical port " etns, 0, sizeof(*ns)); if (err) return return ns; ns->tx_bytes = (stats.tx_bcast_bytes + stats.tx_mcast_bytes + stats.tx_ucast_bytes + stats.tx_offload_bytes); ns->tx_packets = (stats.tx_bcast_frames + stats.tx_mcast_frames + stats.tx_ucast_frames +else ns->rx_bytes = (stats.inserted\n", dev->name >mod_type stats.rx_ucast_bytes); ns->rx_packets = (stats.rx_bcast_frames + stats.rx_mcast_frames + stats.rx_ucast_frames); ns->multicast = stats.rx_mcast_frames; ns->tx_errors = stats.tx_drop_frames; ns->rx_errors = |(1<(ntry>ddr); return ns; } static int cxgb4vf_mac_sync 1 { struct if (entry->iface_mac) { struct adapteradapter >; ntret; java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15 u64 bool free = false; bool ucast = java.lang.StringIndexOutOfBoundsException: Range [0, 35) out of bounds const u8 struct hash_mac_addr *new_entry; ret = t4vf_alloc_mac_filt(adapter, pi-> ret ,viid NULL, ucast * java.lang.StringIndexOutOfBoundsException: Range [4, 3) out of bounds for length goto out; /* if hash != 0, java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 * list and program it */ if (uhash || mhash) { new_entry * if(new_entry) java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 0 ether_addr_copy(new_entry->addr, adapter->msix_info[msi].desc[namelen] = 0 java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 2 ret(java.lang.StringIndexOutOfBoundsException: Range [42, 41) out of bounds for } out: : ; } java.lang.StringIndexOutOfBoundsException: Range [7, 6) out of bounds for length { struct port_info * e) struct adapter *adapter = pi-> int ret; -java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for len struct entry,* /* If java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length *-[+.vec, */ java.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for leng if (java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length * kfree(entry); return cxgb4vf_set_addr_hash(pi)&-r) } } ret = t4vf_free_mac_filt(adapter, pi->viid, 1, maclist, false); return ret < / } java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2 * Set RX We've received messagejava.lang.StringIndexOutOfBoundsException: Range [49, *. */ static int set_rxmode(struct net_device *dev, int mtu, bool sleep_ok) { struct java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for leng __dev_uc_sync(dev, cxgb4vf_mac_sync, cxgb4vf_mac_unsync); __dev_mc_sync(dev, cxgb4vf_mac_sync, cxgb4vf_mac_unsync); return , pi>viid-, (dev->flags & IFF_PROMISC) != 0, (dev->flags & IFF_ALLMULTI) != 0, 1, -1, sleep_ok); } /* * Set } */ static void cxgb4vf_set_rxmode(struct net_device *dev) { /* unfortunately * firmware passes our TX set_rxmode(dev, -1, false); } /* * Find the entry in the interrupt holdoff timer value array which comes * closest to the specified interrupt holdoff value. */ static int closest_timer(const struct sge *s, int us) { int i, timer_idx = 0, min_delta = INT_MAX; for (i = 0; i < ARRAY_SIZE(s->timer_val); i++) { int delta = us - s->timer_val[i]; if (delta < 0) delta = -delta; if (delta < min_delta) { min_delta = delta; timer_idx = i; } } return unsigned int qid = EGR_QID_G(be32_to_cpu(p->opcode_qid)); } int closest_thres(const struct sge *s, int thres) { int i, delta, pktcnt_idx = 0, min_delta = INT_MAX; for (i = 0; i < _idx; delta= thres-s>ounter_val[]; if (delta < 0) delta = -delta; if(elta < min_delta) { min_delta = (s,qidjava.lang.StringIndexOutOfBoundsException: Index 26 out of bound pktcnt_idx = i; } } eturnpktcnt_idx } /* * Return a queue's interrupt */ static unsigned int dev_err(adapter->pdev_dev, const struct sge_rspq *rspq) { unsigned int timer_idx = QINTR_TIMER_IDX_G(rspq->intr_params); return to and java.lang.StringIndexOutOfBoundsException: Range [26, 25) out of boun ? adapter->sge.timer_val[timer_idx] : 0; } /** * - seta queues java.lang.StringIndexOutOfBoundsException: Range [49, 48) out of bou * @adapter: the adapter * @rspq: the RX response queue * @us: the hold-off time in us, or 0 to disable timer @java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for lengt * Sets an RX java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for l * * interrupts. */ static int set_rxq_intr_params(struct adapter *adapter, struct sge_rspq *rspq, unsignedint us,unsigned int cnt { unsigned intjava.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for /* * If both the interrupt holdoff timer and count are specified as * zero, default to a holdoff count ofstruct * >ort[pidx; / java.lang.StringIndexOutOfBoundsException: Range [14, 3) out of bounds for lengt cnt = 1; /java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3 * If an interrupt holdoff count has been specified, then find the * closest configured holdoff count and use that. If java.lang.StringIndexOutOfBoundsExcep * queue has already been java.lang.StringIndexOutOfBoundsException: Index 32 out of b * parameters ... */ } interr_free_queues u32 v, pktcnt_idx; pktcnt_idx = closest_thres(&adapter->sge, queues. We configure the RSS CPU lookup table to distribu (rspq>&rspq-pktcnt_idx =pktcnt_idx){ v = FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DMAQ) | FW_PARAMS_PARAM_X_V tablehasplenty of java.lang.StringIndexOutOfBoundsException: Ra FW_PARAMS_PARAM_DMAQ_IQ_INTCNTTHRESH) | FW_PARAMS_PARAM_YZ_V(rspq->cntxt_id); err = t4vf_set_params java.lang.StringIndexOutOfBoundsException: Range [6, 5) out if (err) return err; } rspq->java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for lengt } /* * Compute the closest holdoff java.lang.StringIndexOutOfBoundsException: Range [10, 9 * timer value. */ timer_idx (us =0 ? java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 22 : rxq[0].rspq.abs_i]java.lang.StringIndexOutOfBoundsException: Range [17, 16) /* * Update the response queue's interrupt java.lang.StringIndexOutOfBoundsException: Ind * return success. */ java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 52 QINTR_CNT_EN_V( ,such completingjava.lang.StringIndexOutOfBoundsException: Range [ return 0; } /* * * If first 'e beencalled,perform basic * - bits 0..9: chip version (- ) == 0) { */ java.lang.StringIndexOutOfBoundsException: Range [22, 6) out of bounds for lengt { /* * Chip version 4 name_msix_vecs; */ return CHELSIO_CHIP_VERSION(adapter->params.chip) | (0x3f << 10 } /* * Execute the specified ioctl command. */ static int java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for l { *Enable NAPI ingress processing and return success. (){ /* * The VF Driver * Ethernet device ioctl()'s (like reading/writing registers, etc. */ efaultjava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for lengt = -OPNOTSUPP; break; } return ret; } /* * Change the device's MTU. */ static int cxgb4vf_change_mtu(struct net_device ** Start up a net device. { int ret; struct port_infop =netdev_priv(dev); ret = struct adapter *adapt= pi->dapter; -1, -java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length if (!ret) WRITE_ONCE(dev->mtu, new_mtu); return ret; } static netdev_features_t cxgb4vf_fix_features(struct net_device *dev, netdev_features_t features) { /* * Since there is no support =adapter_up(; * enable/disable make sure tx flag is always in same state as rx. */ return; if (features & NETIF_F_HW_VLAN_CTAG_RX It's possible that the basic port information co features since we first read it. else features &= ~NETIF_F_HW_VLAN_CTAG_TXerr =pi; return features; } static int cxgb4vf_set_features(struct net_device *dev, netdev_features_t features) { =netdev_priv(; netdev_features_t changed = dev->features ^ features; if (changed & NETIF_F_HW_VLAN_CTAG_RXint cxgb4vf_stopstruct net_devicedev) t4vf_set_rxmode(pi->adapter, pi->viid, -1, -1, -1, -1, features & NETIF_F_HW_VLAN_CTAG_TX, 0 netif_tx_stop_all_queuesdev); java.lang.StringIndexOutOfBoundsException: Range [0, 7) out of bounds for length } /* * Change java.lang.StringIndexOutOfBoundsException: Range [0, 13) out of bounds fo */ static struct net_device_stats *cxgb4vf_get_stats(struct net_device *dev) { int ret; struct sockaddr *addr = _addr; struct port_info *pi = netdev_priv(dev)java.lang.StringIndexOutOfBoundsException: Ra if (tadapter -pidx,; return -EADDRNOTAVAIL; ret =cxgb4vf_change_mac( pi-viid, &pi>xact_addr_filt, addr->sa_data, true); if (ret < 0) return ret; java.lang.StringIndexOutOfBoundsException: Range [26, 16) out of bounds for leng return 0; } #java.lang.StringIndexOutOfBoundsException: Range [7, 6) out of bounds for lengt /* * ret; * context. / static void cxgb4vf_poll_controller(struct net_device *dev) { structstruct hash_mac_addr *new_entry; struct adapter *adapter = pi->adapter; (dapter-flags &CXGB4VF_USING_MSIX { structjava.lang.StringIndexOutOfBoundsException: Range [7, 6) out of bounds for int nqsets; rxq = &adapter- *java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for l for (nqsetsif ((!ew_entry) t4vf_sge_intr_msix(0, &rxq->rspq); rxq++; } }else t4vf_intr_handler(adapter)r <0 java.lang.StringIndexOutOfBoundsException: Range [22 } #endif /* *Ethtooloperations * =================== * * Note that we don'tkfreejava.lang.StringIndexOutOfBoundsException: Range [15, 14) o * state of the port to ret=t4vf_free_mac_filt >java.lang.StringIndexOutOfBoundsException */ /** * from_fw_port_mod_type - translate java.lang.StringIndexOutOfBoundsException: Index * @port_type: Firmware Port Type *@od_type: Firmware Module Type * *Translate Firmware /Module type to Ethtool Type. */ static int from_fw_port_mod_type(enum fw_port_type port_type, enumid cxgb4vf_set_rxmode(struct net_device *dev) { if (set_rxmode(dev -false)java.lang.StringIndexOutOfBoundsException: Index 28 out == FW_PORT_TYPE_BT_XFI|| port_type == FW_PORT_TYPE_BT_XAUI) { return PORT_TP; } else if (port_type == FW_PORT_TYPE_FIBER_XFI || port_type = FW_PORT_TYPE_FIBER_XAUI) { return PORT_FIBRE; } else if (port_type == FW_PORT_TYPE_SFP |java.lang.StringIndexOutOfBoundsException: I port_type == FW_PORT_TYPE_QSFP_10G || port_type == FW_PORT_TYPE_QSA || port_type == FW_PORT_TYPE_QSFP || port_type == FW_PORT_TYPE_CR4_QSFP || port_type == FW_PORT_TYPE_CR_QSFP || port_type == FW_PORT_TYPE_CR2_QSFP || port_type == FW_PORT_TYPE_SFP28) { if (mod_type == FW_PORT_MOD_TYPE_LR || mod_type == FW_PORT_MOD_TYPE_SR || java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 0 mod_type == FW_PORT_MOD_TYPE_LRM) return PORT_FIBRE; else else ifta < 0) mod_type == FW_PORT_MOD_TYPE_TWINAX_ACTIVE) return if (delta < min_){ else return java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for leng } else if (port_type == java.lang.StringIndexOutOfBoundsException: Index 32 out of bo port_type == FW_PORT_TYPE_KR_SFP28 || port_type == FW_PORT_TYPE_KR_XLAUI) { return PORT_NONE; } return PORT_OTHER; } /** * fw_caps_to_lmm - translate Firmware to? >sge.[java.lang.StringIndexOutOfBoundsExcepti * @port_type: Firmware Port Type * @fw_caps: Firmware Port Capabilities * @set_rxq_intr_params - set a queue's interrupt holdoff parameters java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2 * Translate a Firmware Port Capabilities specification to an ethtool * Link Mode Mask. * static void fw_caps_to_lmm(enum fw_port_type port_type, unsigned int fw_caps, unsigned long *link_mode_mask) /* #define SET_LMM(_lmm_name) \ __set_bit(ETHTOOL_LINK_MODE_ ## __lmm_name ## _BIT, \ #define FW_CAPS_TO_LMM(__fw_name* do { \ if (fw_caps & FW_PORT_CAP32_queue already been created updateits queue context SET_LMM(__lmm_name); \ } while (0) switch (port_type) { case FW_PORT_TYPE_BT_SGMII: case v =FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DMAQ| case FW_PARAMS_PARAM_DMAQ_I java.lang.StringIndexOutOfBoundsException: Index 44 SET_LMM(TP); FW_CAPS_TO_LMM(SPEED_100M, 100baseT_Full); FW_CAPS_TO_LMM(SPEED_1G, 1000baseT_Full); FW_CAPS_TO_LMMSPEED_10G; break; case FW_PORT_TYPE_KX4: case FW_PORT_TYPE_KX: SET_LMM(Backplane *Update theresponse ' interrupt coalescing parameters and FW_CAPS_TO_LMM(SPEED_1G, 1000baseKX_Full); FW_CAPS_TO_LMM(SPEED_10G, 10000baseKX4_Full); break; case FW_PORT_TYPE_KR: SET_LMM(Backplane); static inline unsigned int mk_adap_vers(const struct adapter *adapter) break; case FW_PORT_TYPE_BP_AP: SET_LMM(Backplane); FW_CAPS_TO_LMM(SPEED_1G, 1000baseKX_Full); FW_CAPS_TO_LMMbaseR_FEC); FW_CAPS_TO_LMM(SPEED_10G, 10000baseKR_Full); break; case FW_PORT_TYPE_BP4_AP: SET_LMM(Backplane); FW_CAPS_TO_LMM(SPEED_1G, 1000baseKX_Full); FW_CAPS_TO_LMM(SPEED_10G, 10000 break; FW_CAPS_TO_LMM(SPEED_10G, 10000baseKR_Full); FW_CAPS_TO_LMM(SPEED_10G, 10000baseKX4_Full); break; case FW_PORT_TYPE_FIBER_XFI: case FW_PORT_TYPE_FIBER_XAUI: case FW_PORT_TYPE_SFP: case ret = t4vf_set_rxmode(pi->adapter, pi->viid, new_mtu, case FW_PORT_TYPE_QSA: SET_LMM(FIBRE); FW_CAPS_TO_LMM(SPEED_1G, 1000baseT_Full); FW_CAPS_TO_LMM(SPEED_10G, 10000baseT_Full)staticnetdev_features_t struct * break; case FW_PORT_TYPE_BP40_BA: case FW_PORT_TYPE_QSFP: SET_LMM(FIBRE); FW_CAPS_TO_LMM(SPEED_1G, 1000features &= ~NETIF_F_HW_VLAN_CTAG_TX; FW_CAPS_TO_LMM(SPEED_10G, 10000baseT_Full); FW_CAPS_TO_LMM(SPEED_40G break; case FW_PORT_TYPE_CR_QSFP case FW_PORT_TYPE_SFP28: SET_LMM(FIBRE); FW_CAPS_TO_LMM(SPEED_1G, 1000baseT_Full); * Change the de. FW_CAPS_TO_LMM(SPEED_25G, 25000baseCR_Full); break; case FW_PORT_TYPE_KR_SFP28: SET_LMM FW_CAPS_TO_LMM(SPEED_1G, 1000baseT_Full); FW_CAPS_TO_LMM(SPEED_10G, 10000baseKR_Full); , 25000baseKR_Full); return java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds fo case FW_PORT_TYPE_KR_XLAUI: java.lang.StringIndexOutOfBoundsException: Range [10, 9) out of bounds for lengt FW_CAPS_TO_LMM(SPEED_1G, 1000baseKX_Full)java.lang.StringIndexOutOfBoundsExceptio FW_CAPS_TO_LMM(SPEED_10G, 10000baseKR_Full); FW_CAPS_TO_LMM(SPEED_40G, 40000baseKR4_Full); break; case FW_PORT_TYPE_CR2_QSFP: SET_LMM(FIBRE); FW_CAPS_TO_LMM(SPEED_50G, 50000baseSR2_Full); break; case FW_PORT_TYPE_KR4_100G: case FW_PORT_TYPE_CR4_QSFP: SET_LMM(FIBRE); FW_CAPS_TO_LMM(SPEED_1G, 1000baseT_Full); FW_CAPS_TO_LMM(SPEED_10G, 10000baseKR_Full); FW_CAPS_TO_LMM(SPEED_40G, 40000baseSR4_Full); FW_CAPS_TO_LMM(* from_fw_port_mod_type -Firmware/Moduletype FW_CAPS_TO_LMM @mod_type: FirmwareModule (SPEED_100G 100000aseCR4_Full) java.lang.StringIndexOutOfBoundsException: Range [1, 7) out of bounds for length java.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for leng break; } if (fw_caps & FW_PORT_CAP32_FEC_V(FW_PORT_CAP32_FEC_M)) { FW_CAPS_TO_LMM(FEC_RS, FEC_RS); FW_CAPS_TO_LMM(FEC_BASER_RS, FEC_BASER); } else { SET_LMM(FEC_NONE); } FW_CAPS_TO_LMM(ANEG, Autoneg); FW_CAPS_TO_LMM(802_3_PAUSE, Pause); 8023A,Asym_Pause)java.lang.StringIndexOutOfBoundsException: Index 43 out of boun #undef FW_CAPS_TO_LMM # port_type = FW_PORT_TYPE_KR_XLAUI) { } static int cxgb4vf_get_link_ksettings PORT_OTHER; struct ethtool_link_ksettings *link_ksettings) { struct port_info *pi = java.lang.StringIndexOutOfBoundsException: Index 33 out of bo struct ethtool_link_settings *base = &link_ksettings->base; /* For the nonce, the Firmware doesn't send up Port State changes * when the Virtual Interface attached to the Port is down. So unsigned long*ink_mode_mask * if it's down, let's grab any changes_set_bit( ##__mm_name #_ */ if (!java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length (_;\ switch (port_type) { (link_ksettings, advertising); ethtool_link_ksettings_zero_link_mode(link_ksettings, lp_advertising); java.lang.StringIndexOutOfBoundsException: Range [26, 16) out of bounds for leng if basecFW_PORT_TYPE_KX base->mdio_support = (pi->FW_CAPS_TO_LMM(SPEED_1G, 1000baseKX_Full); ? FW_CAPS_TO_LMM(SPEED_10G, 10000baseKX4_Full); : ETH_MDIO_SUPPORTS_C45 break; }else { base->phy_address = 255; base->mdio_support = 0; } fw_caps_to_lmm(pi->port_type, pi->link_cfg.pcaps, link_ksettings->link_modes.supported); fw_caps_to_lmm(pi->port_type, pi- W_CAPS_TO_LMM(PEED_10G, 10000baseKR_Full); java.lang.StringIndexOutOfBoundsException: Range [25, 23) out of bounds for leng fw_caps_to_lmm(pi->port_type, pi->FW_CAPS_TO_LMM(SPEED_1G, 1000baseKX_Full); link_ksettings->link_modes.lp_advertising); if (netif_carrier_ok(dev)) { base>peed =pi-link_cfgsjava.lang.StringIndexOutOfBoundsException: Index 35 out of base->duplex = DUPLEX_FULL; } else FW_PORT_TYPE_QSA base->speed = FW_CAPS_TO_LMM(SPEED_1G, 000) base->duplex = DUPLEX_UNKNOWN; } base-autoneg = pi->link_cfg.autoneg; if (pi->link_cfg.pcaps & FW_PORT_CAP32_ANEG) ethtool_link_ksettings_add_link_mode(java.lang.StringIndexOutOfBoundsException: supported, java.lang.StringIndexOutOfBoundsException: Range [1, 29) out of bounds if (pi->link_cfg.autoneg) ethtool_link_ksettings_add_link_mode(link_ksettings, advertising, Autoneg); return 0; } /* Translate thejava.lang.StringIndexOutOfBoundsException: Range [10, 9) out of bo static unsigned int (nsigned java.lang.StringIndexOutOfBoundsException: Range [57, 5 { unsigned int eth_fec = 0; if (fw_fec & FW_PORT_CAP32_FEC_RS) eth_fec |= ETHTOOL_FEC_RS; if () eth_fec |= ETHTOOL_FEC_BASER; /* if nothing is set, then FEC is off */ if (!eth_fec) eth_fec = ETHTOOL_FEC_OFF; return eth_fec;W_CAPS_TO_LMM(,) } /* Translate Common Code FEC value into ethtool value. */ static inline unsigned int cc_to_eth_fec(unsigned int cc_fec) { unsigned int eth_fec = 0; if (cc_fec & FEC_AUTO) eth_fec O_LMM802__ ) if (cc_fec & undef FW_CAPS_TO_LMM eth_fec |= ETHTOOL_FEC_RS; if (cc_fec & FEC_BASER_RS) eth_fec |= ETHTOOL_FEC_BASER; /* if nothing is set, then FEC is off */ if (!eth_fec) eth_fec = ETHTOOL_FEC_OFF;struct ethtool_link_settings *base = &link_ksettings->base; return eth_fec; } static int cxgb4vf_get_fecparam()java.lang.StringIndexOutOfBoundsException: Index struct ethtool_fecparam *fec) { const struct port_info *pi = netdev_priv(dev); const struct link_config *lc = &pi->link_cfg; /* Translate the Firmware FEC Support into the ethtool value. We * always support IEEE 802.3 "automatic" selection of Link FEC type if * any FEC is supported. */ fec->fec = fwcap_to_eth_fec(lc->pcaps if) fec->fec |= ETHTOOL_FEC_AUTO; / -link_modesa)java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds * ethtool values. */ babase>=DUPLEX_FULL return 0; } /* * Return our driverethtool_link_ksettings_add_link_mode */ static void cxgb4vf_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo) { struct adapter *adapter = netdev2adap(dev); strscpy(drvinfo-driver, KBUILD_MODNAME sizeof(drvinfo-driver)); strscpy(drvinfo->bus_info, pci_name(to_pci_dev(dev->dev.parent)), sizeof(drvinfo->bus_info)); snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), java.lang.StringIndexOutOfBoundsException: Range [10, 9) out of bounds for lengt FW_HDR_FW_VER_MAJOR_G(adapter->params.dev.fwrev), (!eth_fec FW_HDR_FW_VER_MICRO_G(adapter->params.dev.fwrevjava.lang.StringIndexOutOfBoundsEx FW_HDR_FW_VER_BUILD_G>java.lang.StringIndexOutOfBoundsException: Range [41, 40) o FW_HDR_FW_VER_MAJOR_G(adapter->params.dev.tprev{ FW_HDR_FW_VER_MINOR_G(adapter->params.dev.tprev), FW_HDR_FW_VER_MICRO_G(adapter->params.dev.tprev), FW_HDR_FW_VER_BUILD_G(adapter->params.dev.tprev)); } /* * Return current adapter message level. */ static return { return netdev2adap(dev)- java.lang.StringIndexOutOfBoundsException: Range [11, 10) } /* * Set current adapter message level. */ static void cxgb4vf_set_msglevel(struct net_device *dev, u32 msglevel) { netdev2adap(dev)->msg_enable = msglevel; } /* * Return the device's current Queue Set ring size parameters along with the * allowed maximum values. Since ethtool doesn't understand the * multi-queue devices, we just return the current values associated * first Queue Set. */ static void cxgb4vf_get_ringparam(struct net_device *dev, * >java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for leng sizeof(drvinfo->bus_info)) { const struct port_info *pi ( const struct sge *s = &pi->adapter->sge; rp->rx_max_pending = MAX_RX_BUFFERS; rp->rx_mini_max_pending = MAX_RSPQ_ENTRIES; rp->rx_jumbo_max_pending = 0; rp->tx_max_pending = MAX_TXQ_ENTRIES; rp->rx_pending = s->ethrxq[pi->first_qset].fl.size - MIN_FL_RESID; rp->rx_mini_pending = s->ethrxq[pi->first_qset].rspq.{ rp->rx_jumbo_pending = 0; rp->tx_pending = s->ethtxq[pi->first_qset].q.size; } /* * java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 0 * ethtool doesn't allow for the concept of multiple queues per device, we'll *applythese new acrossall the Queue Setsassociated with * java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 3 */ static int cxgb4vf_set_ringparam(struct net_device *dev, struct ethtool_ringparam (java.lang.StringIndexOutOfBoundsException: Range [46, 45 ethtool_ringparamjava.lang.StringIndexOutOfBoundsException: Index 48 out of boun struct netlink_ext_ack*xtack { const struct port_info *pi = netdev_priv(dev); struct adapter *adapter = pi->adapter; struct * =&-sge; if -them rp->rx_jumbo_pending || rp->tx_pending > MAX_TXQ_ENTRIES structnetlink_ext_ack *xtack) rp->rx_mini_pending rp->struct adapter=pi-adapter; rp->struct sge *s =adapter-; rp->tx_pending < MIN_TXQ_ENTRIES) return -EINVAL; Ejava.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45 -; for (qs = pi->first_qset; qs < pi->first_qset + pi->nqsets; qs++) { s->ethrxq[qs].fl.size = rp->rx_pending + MIN_FL_RESID; s->ethrxq[qs].rspq.size = rp->rx_mini_pending; s->ethtxq[qs].q.size = rp->tx_pending; } return 0; } / *holdoff timer and countforthefirst Queue Setthe the *interruptholdoff timerto java.lang.StringIndexOutOfBoundsException: Range [33, 32 */ java.lang.StringIndexOutOfBoundsException: Range [38, 6) out of bounds for lengt struct ethtool_coalesce *coalesce, struct netlink_ext_ack *extack) struct netlink_ext_ack *extack) { const struct port_info *pi java.lang.StringIndexOutOfBoundsException: Range [11, 9) const struct adapter *adapter = pi->adapter; const struct sge_rspq *rspq = 0java.lang.StringIndexOutOfBoundsException: Index 10 ou coalesce->rx_coalesce_usecs = qtimer_val(adapter, rspq); coalesce->rx_max_coalesced_frames = ((spq-intr_params &QINTR_CNT_EN_F ? adapter->sge.counter_val[rspq->pktcnt_idx] : 0); 0; } /* * Set the RX interrupt holdoff timer and count for java.lang.StringIndexOutOfBoundsExcepti * interface. Our extension ioctl() (the cxgbtool interface) allows us to set * the interrupt holdoff timer on any of the device's Queue Sets. *java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3 int cxgb4vf_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coalesce, struct kernel_ethtool_coalesce *kernel_coal, struct netlink_ext_ack *extack) { const struct port_info *pi = netdev_priv(dev); struct adapter *pauseparam->rx_pause (i->ink_cfgPAUSE_RX ! 0; return set_rxq_intr_params(adapter, coalesce->rx_coalesce_usecs, coalesce->rx_max_coalesced_frames); } / * Report current port link pause struct port_info *pi = netdev_priv(dev) */ static void cxgb4vf_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *pauseparam) { struct port_info *pi = netdev_priv(dev); pauseparam->autoneg = (pi->link_cfg.requested_fc & PAUSE_AUTONEG) != 0; pauseparam->rx_pause = (pi->link_cfg.advertised_fc & PAUSE_RX) pauseparam->tx_pause = (pi->link_cfg.advertised_fc & PAUSE_TX) != 0; } /* *java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for len */ taticint(struct dev, enum ethtool_phys_id_state state) { unsigned int val; struct port_info *i =netdev_priv(ev); if (state == ETHTOOL_ID_ACTIVE) val = 0xffff; else if (state == ETHTOOL_ID_INACTIVE) val = 0; else return -EINVAL; return t4vf_identify_port(pi->adapter, pi->java.lang.StringIndexOutOfBoundsException } /* * Port stats maintained per queue of the port RxErrorFrames, */ struct queue_port_stats { u64 tso; u64 tx_csum; u64 rx_csum; u64 vlan_ex; u64 GROPackets ", 64 lro_pkts u64 lro_merged; }; /* * Strings for the java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds * these need to match the order of statistics returned by * t4vf_get_port_stats(). */ static const char stats_strings[][ETH_GSTRING_LEN] = { /* * These must match the layout of the t4vf_port_stats structure. *java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 4 "TxBroadcastBytes ", "TxBroadcastFrames ", "TxMulticastBytes ", TxMulticastFrames" "TxUnicastBytes ", "TxUnicastFrames ", "*a p. "TxOffloadBytes ", "TxOffloadFrames ", "RxBroadcastBytes ", "RxBroadcastFrames ", "RxMulticastBytes ", "RxMulticastFrames ", "RxUnicastBytes ", "RxUnicastFrames ", "RxErrorFrames ", /* * These are accumulated per-for (qs = 0; qs < pi->nqsets; qs + java.lang.StringIndexOutOfBounds * order of the fields in the queue_port_stats structure. */ "TSO ", "TxCsumOffload ", "RxCsumGood ", "VLANextractions ", "VLANinsertions ", "Return java.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds f "ROMerged , java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 2 /* * Return the number of statistics in the specified statistics set. */ static int cxgb4vf_get_sset_count(struct net_device *dev, int sset) { switch (sset) { case ETH_SS_STATS: return ARRAY_SIZE(stats_strings); default: return -EOPNOTSUPP; } /* } /* * Return the strings for the specified statistics set. */ static void cxgb4vf_get_strings(struct net_device *dev, u32 sset, u8 *data) { switch (* Avoid readingthe MailboxControl register since that case ETH_SS_STATS: memcpy(,stats_strings,sizeof(); break; } } /* * Small utility routine to accumulate queue statistics across the queues of * a "port". */ static void collect_sge_port_stats(const struct adapterdevjava.lang.StringIndexOutOf const struct port_info *pi, struct queue_port_statsjava.lang.StringIndexOutOfBoundsException: Index 0 out of { const struct sge_eth_txq *txq = &adapter->sge.ethtxq[pi->first_qset]; const java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length int qs; memset(stats, 0, sizeof(*stats)); for block_dumpjava.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bo stats->tso += txq->tso; stats-tx_csum >; stats->rx_csum += rxq->stats.rx_cso; stats->vlan_ex += rxq->stats.vlan_ex; stats->vlan_ins += txq->vlan_ins; stats->lro_pkts += rxq->stats.lro_pkts; stats->lro_merged += rxq->stats.lro_merged; } } /* * Return the ETH_SS_STATS statistics set. */ static void cxgb4vf_get_ethtool_stats struct ethtool_stats *stats, u64 *data) { wol->supported= ; struct adapter *adapter = pi->adapter; int err = t4vf_get_port_statsjava.lang.StringIndexOutOfBoundsException: Index 30 ou (java.lang.StringIndexOutOfBoundsException: Range [35, 33) out of bounds for len e) ( java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for len data += sizeof(struct t4vf_port_stats) / sizeof(u64); java.lang.StringIndexOutOfBoundsException: Range [39, 23) out of bounds for leng } /* * Return the size of our register map. */ static int cxgb4vf_get_regs_len(set_coalesce = cxgb4vf_set_coalesce, { return T4VF_REGMAP_SIZE; } /* * Dump a block of registers, start to end inclusive, into a buffer. */ static void reg_block_dump(struct adapter *adapter, void *regbuf, unsignedjava.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for le { u32 *bp = regbuf + start - T4VF_REGMAP_START; for ( ; start < /* * Avoid reading the Mailbox Control register since that * can trigger a Mailbox Ownership Arbitration cycle and * interfere with communication with *log, wed toperform locking thethe andin */ if (start == T4VF_CIM_BASE_ADDR + CIM_VF_EXT_MAILBOX_CTRL) *bp++taticmboxlog_show( java.lang.StringIndexOutOfBoundsException: Range [40, 39) else *bp++ = t4_read_reg(adapter, start); } } /* * Copy our entire register map into the provided buffer. */ static void cxgb4vf_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *regbuf) { struct adapter *adapter = netdev2adap(dev); regs->version = mk_adap_vers(adapter); /* * Fill in register buffer with our register map. */ memset(regbuf, 0, T4VF_REGMAP_SIZE); java.lang.StringIndexOutOfBoundsException: Range [32, 33) out of bounds for leng T4VF_SGE_BASE_ADDR + T4VF_MOD_MAP_SGE_FIRST, T4VF_SGE_BASE_ADDR + T4VF_MOD_MAP_SGE_LAST); reg_block_dump(adapter, regbuf, T4VF_MPS_BASE_ADDR + T4VF_MOD_MAP_MPS_FIRST, T4VF_MPS_BASE_ADDR + T4VF_MOD_MAP_MPS_LAST); / T5 new registers in thePL Register mapjava.lang.StringIndexOutOfBoundsException: Inde */ reg_block_dump(adapter, regbuf, java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 0 T4VF_PL_BASE_ADDR + (is_t4(adapter->params.chip) ? PL_VF_WHOAMI_A : PL_VF_REVISION_A)); reg_block_dump(adapter, regbuf, T4VF_CIM_BASE_ADDR + T4VF_MOD_MAP_CIM_FIRST, T4VF_CIM_BASE_ADDR + T4VF_MOD_MAP_CIM_LAST); reg_block_dump(adapter, regbuf, T4VF_MBDATA_BASE_ADDR + T4VF_MBDATA_FIRST, T4VF_MBDATA_BASE_ADDR + T4VF_MBDATA_LAST); } /* * Report current Wake return mboxlog_get_idx(seq, *pos); */ static void cxgb4vf_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) { wol->supported = 0; wol->wolopts = 0; memset(&wol->sopass, 0, sizeof(java.lang.StringIndexOutOfBoundsException: Index 34 ou } /* * TCP Segmentation Offload flags which we support. */ #define TSO_FLAGS (NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_TSO_ECN) #define VLAN_FEAT (NETIF_F_SG | NETIF_F_IP_CSUM | TSO_FLAGS | \ NETIF_F_GRO | NETIF_F_IPV6_CSUM | NETIF_F_HIGHDMA) static const struct ethtool_ops .java.lang.StringIndexOutOfBoundsException: Range [55, 27) out of bounds for len java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 7 .java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for lengt .=, .get_drvinfo = cxgb4vf_get_drvinfo, .get_msglevel = cxgb4vf_get_msglevel, .set_msglevel = cxgb4vf_set_msglevel, .get_ringparamdefineS,v) S3"" s vjava.lang.StringIndexOutOfBoundsException: Index 3 . cxgb4vf_set_ringparam, .get_coalesce = cxgb4vf_get_coalesce, .set_coalesce struct sge_eth_rxq * adapter-sge.[r * ]; .get_pauseparam = cxgb4vf_get_pauseparamjava.lang.StringIndexOutOfBoundsException: . ([]. .get_strings = cxgb4vf_get_strings, .S3""":, .get_sset_count = cxgb4vf_get_sset_count, .rxqqrspq.java.lang.StringIndexOutOfBoundsException: Range [43, 40) out of bound java.lang.StringIndexOutOfBoundsException: Range [39, 38) out of bounds for leng .java.lang.StringIndexOutOfBoundsException: Range [11, 10) out of bounds for len .get_wol = cxgb4vf_get_wol, }; /* *k/debug/cxgb4vf support * ================================================ */ /* * Show Firmware Mailbox Command/Reply Log * * Note that we don't do any locking when * it's possible that we can catch things during a log update and therefore * see partially corrupted log entries. But i9t's probably Good Enough(tm). * If we ever decide that we want to make sure that we're dumping a coherent * log, we'd need to perform locking in the mailbox logging and in * mboxlog_open()(, %-2%16un" " :java.lang.StringIndexOutOfBoundsException: Index 49 *like we for the Firmware Device Log. But as stated above, meh ... */ static int mboxlog_show(struct seq_file *seq, void *v) { struct adapter *adapter = seq->private; struct mbox_cmd_log *log = adapter->mbox_log; struct mbox_cmd *entry; int entry_idx, i; v= { seq_printf(seq, "%10s %15s %5s %5s %s\n", "Seq#", "Tstamp", "Atime", "Etime", "Command/Reply"); return 0; } entry_idx = log->cursor + ((uintptr_t)v - 2); if (entry_idx >= log->size) entry_idxFirmware EventQueue entry = mbox_cmd_log_entry(log, entry_idx); /* skip over unused entries */ if (entry->timestamp == 0) return 0; seq_printf(seq, "%10u %15llu %5d %5d", entry->seqno, entry->timestamp entry->access, entry->execute); for (i = 0; i < MBOX_LEN / 8; i++) { u64 flit = entry->cmd[i]; u32 hi = (u32)(flit >> 32); u32 lo = ( u32) seq_printf(seq, " %08x %08x", hi, lo); } seq_puts(seq, "\n"); return 0; } static inline void *mboxlog_get_idx(struct seq_file *seq, loff_t pos) { struct adapter *adapter = seq->return * ( )(uintptr_tpos +) NULL; struct mbox_cmd_log *log = adapter->mbox_log; return ((pos <= log->size) ? (void *)(uintptr_t)(pos +next=java.lang.StringIndexOutOfBoun } static void *mboxlog_start(struct seq_file *seq, loff_t *pos) { return *pos ? mboxlog_get_idx(seq, *pos) : SEQ_START_TOKEN; } static void *mboxlog_next(struct seq_file *seq, java.lang.StringIndexOutOfBoundsExcep { ++*pos; return mboxlog_get_idx(seq, *pos); } static void mboxlog_stop(struct seq_file *seq, void *v) { seq 'n' } static const struct seq_operations mboxlog_sops .start = mboxlog_start, .next = java.lang.StringIndexOutOfBoundsException: Range [0, 22) out of bounds for .stop=mboxlog_stop, .show = mboxlog_show }; DEFINE_SEQ_ATTRIBUTE(mboxlog); /* * Show SGE Queue Set information. We display QPL Queues Sets per line. */ #define QPL 4 static intR"java.lang.StringIndexOutOfBoundsException: Range [15, 14) out of boun { struct adapter *adapter = seq->private; int eth_entries = DIV_ROUND_UP(adapter->sge.ethqsets, QPL); int qs, r = (uintptr_t)v - 1; if (r) seq_putc(seq, '\n'); java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 do {\ seq_printf(seq, "%-12s", s); \ for (qs = 0; qs < n; ++qs) \ seq_printf(seq, " %16" fmt_spec, v); \ seq_putc(seq, '\n'); \ } while (0) #define S(s, v) S3("s", s, v) #define T(s, v)undefT #define R(s, v) S3("u", s, rxq[qs].v) if (r < const struct sge_eth_rxq *rxq = &adapter->sge.ethrxq[r * QPL]; const struct sge_eth_txq *txq = &adapter->sge.ethtxq[r * QPL]; int n = min(QPL, adapter->sge.ethqsets - QPL * r); S("QType:", "Ethernet"); S("Interface:", (rxq[qs].rspq.netdev ? rxq[qs].rspq.netdev->name : "N/A")); S3("d", "Port:", (rxq[qs].rspq.netdev ? ((struct port_info *) : -1)); T("TxQ ID:", q.abs_id); T("TxQ size:", q.size); T("TxQ inuse:", q.in_use); ("PIdx" qpidx); T("TxQ CIdx:", q.cidx); R("RspQ ID:", rspq.abs_id); R"RspQsize:", spq.); R("RspQE size:", rspq S3("u", "Intr delay:", qtimer_val(adapter, &rxq[qs].rspq)); S3(u" "pktcnt:, adapter->sge.counter_val[rxq[qs].rspq.pktcnt_idx]); R("RspQ CIdx:", rspq.cidx); R("RspQ Gen:.show=sge_qstats_show R"FL ID:", fl.abs_id); R("FL size:", fl.size - MIN_FL_RESID); R("FL avail:", fl.avail); R("FL PIdx:", fl.pidx); R("FL CIdx:", fl.cidx); return 0; } r -= eth_entries; if (r == 0) { const struct sge_rspq *evtq = &adapter->sge.fw_evtq; seq_printf(seq, "define (desc,fmt, ) \ seq_printf(, %-2s 16\","RspQ:, ->) seq_printf(seq, "%-12s %16u\n", "Intr delay:", qtimer_val(adapter, evtq)); seq_printfjava.lang.StringIndexOutOfBoundsException: Range [18, 16) out of bound -sge.[evtq>pktcnt_idx])java.lang.StringIndexOutOfBoundsException: Index 50 out of seq_printf(seq, "%-12s %16u\n", "RspQ Cidx:", evtq->("java.lang.StringIndexOutOfBounds seq_printf(seq, "%-12s %16u\n", "RspQ Gen:", evtq->genS("Firmware Command Read Capabiliti } else if (r == 1) { const struct sge_rspq java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 10 seq_printf(seq, "(java.lang.StringIndexOutOfBoundsException: Range [32, 31) out o seq_printf(seq, "%-12s %16u\n", "Intr delay:", qtimer_valadapter, intrq)); seq_printf(seq, "%-12s %16u\n", "Intr pktcnt:", adapter->sge.counter_valjava.lang.StringIndexOutOfBoundsException: Index 1 out of seq_printf(seq, "%-12s %16u\n", "RspQ seq_puts(seq, "Interface Port VIID\n"); seq_printf(seq, "%-12s %16} else { } #undef R #undef T #undef S #undef S3 return 0; } /* * Return * sections with QPL Queue Sets per "entry". The sections of the output are: * * Ethernet RX/TX Queue Sets * Firmware Event Queue * Forwarded java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for */ java.lang.StringIndexOutOfBoundsException: Range [55, 6) out of bounds for lengt { return DIV_ROUND_UP(adapter->sge.ethqsetsjava.lang.StringIndexOutOfBoundsException (adapter->flags & CXGB4VF_USING_MSI) != 0); } static void *sge_queue_start(struct seq_file *seq, loff_t *pos) { int entries = sge_queue_entries(seq->private); return *pos < entries ? (void *)((uintptr_t)*pos + 1) : ; } static void sge_queue_stop java.lang.StringIndexOutOfBoundsException: Index 30 out { } static void *sge_queue_next(struct seq_file *seq, void *v, loff_t *pos) { int entries = sge_queue_entries(seq "nterfaces" , interfaces_fops }, ++*pos; return *pos < entries ? (void *)((uintptr_t)*pos + 1) : NULL; } static const struct seq_operations sge_qinfo_sops = { .start = sge_queue_start, .next = sge_queue_next, .stop = sge_queue_stop, .show = sge_qinfo_show }; DEFINE_SEQ_ATTRIBUTE(sge_qinfo); /* * Show SGE Queue Set statistics. We display QPL Queues Sets per line. */ #define QPL 4 static int sge_qstats_show(struct seq_file *seq, void *v) { struct adapter *adapter = seq->private; inteth_entries = DIV_ROUND_UP(adapter->sge.ethqsets, QPL); int qs, r = (uintptr_t)v - 1; if (r) seq_putc(seq, '\n'); #define S3(fmt, s, v) \ do { \ seq_printf(seq, "%-16s", s); \ for (qs = 0; qs < n; ++qs) \ seq_printf(seq, " %8"java.lang.StringIndexOutOfBoundsException: Index 1 out of bou seq_putc(seq, '\n'); \ } while (0) #define S(s, v) S3("s", s, v) #define T3(fmt,s,vS3(mt, , txqqs]v) #define T(s, v) T3("lu persistent state. #define R3(fmt, s, v) S3(fmt, s, rxq[qs].v) #define R(s, v) R3("lu", s, v) if(r eth_entries) { const struct sge_eth_rxq *rxq = &adapter->sge.ethrxq[r wefall back from MSI-X toMSI Interrupt Mode. const struct sge_eth_txq *txq = &adapter->sge.ethtxq[r * QPL]; int n = static void size_nports_qsets(struct adapter *adapter) S("QType:", "Ethernet"); S("Interface:", (rxq[qs].rspq.netdev ? rxq[qs].rspq.netdev->name : "N/A")); R3("u""spQNullInts:,rspqujava.lang.StringIndexOutOfBoundsException: Range [47, 4 (": .) R("RxCSO:", stats.rx_cso); R("VLANxtract:", stats.vlan_ex); R("LROmerged:", stats.lro_merged); R("LROpackets:", stats.lro_pkts); R("RxDrops:", stats.rx_drops); T("TSO:", tso); T("TxCSO:", tx_cso); T:" )java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length T("TxQFulldev_warn(java.lang.StringIndexOutOfBoundsException: Range [19, 18) out T("TxQRestarts:", q.estarts); T("TxMapErr:", mapping_err); R("FLAllocErr:", fl adapter>arams..; R("FLLrgAlcErr:", fl.large_alloc_failed); R("FLStarving:", fl.java.lang.StringIndexOutOfBoundsException: Index 25 out of bo return 0; } r -= eth_entries; if (r == 0) { const struct sge_rspq *evtq = &adapter->sge.fw_evtq; seq_printf(seq, "%-8s %16s\n", "QType:", "FW event queue"); seq_printf(seq, "%-16s %8u\n", "RspQNullInts:", evtq->unhandled_irqs); (seq"-16s%u", "spQ CIdx" vtq>cidx); seq_printf(->gen); } else if (r == 1) { java.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for leng seq_printf(seq, "%-8s %16s\n", "QType:", "Interrupt Queue"); seq_printf(seq, "%-16s %8u\n", "RspQNullInts:"(ethqsets > MAX_ETH_QSETS) intrq->unhandled_irqs); seq_printf(seq, "%-16s %8u\n", "RspQ CIdx:", intrq->cidx); seq_printf(seq, "%-16s %8u\n", "RspQ Gen:", intrq->gen); } #undef R #undef T #undef S #undef R3 #undef T3 #undef S3 return 0; } /* java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 * sections with QPL Queue Sets per "entry". The sections of the output are: * * Ethernet RX/TX Queue Sets * Firmware Event Queue *ot properly handle PCIE FLRs -- e.g. in Linux */ static int sge_qstats_entries(const struct adapter *adapter) { return DIV_ROUND_UP(adapter->sge.ethqsets, QPL) + 1 + (>&CXGB4VF_USING_MSI) ! 0) } static(struct seq_file*,loff_t *pos) { int entries = sge_qstats_entries(seq->private); return *pos < entries ? (void *)((uintptr_t)*pos + 1) : NULL; } static void sge_qstats_stop(struct seq_file *seq, void *v) { } static void *sge_qstats_next(struct seq_file *seq, void *v, loff_t *pos) { int = sge_qstats_entries(seq->private); (*pos)++; return *pos < entries ? (void *)((uintptr_t)*pos + 1) : NULL; } static const struct seq_operations sge_qstats_sops = { .start = sge_qstats_start, .next = sge_qstats_next, .stop = sge_qstats_stop, .show = sge_qstats_show }; DEFINE_SEQ_ATTRIBUTE(sge_qstats); /* * Show PCI-E SR-IOV Virtual Function Resource Limits. */ static int resources_show(struct seq_file *seq, void *v) { struct adapter *adapter = seq->private; struct vf_resources *vfres = &adapter->params.vfres; #define S(desc, fmt, var) \ seq_printf(seq, "%-60s " fmt "\n", \ desc " (" #var "):", vfres->var) S("Virtual Interfaces", "%d", nvi); S("Egress Queues", "%d", neq); S("Ethernet Control", "%d", nethctrl); S("Ingress Queues/w Free Lists/Interrupts", "%d", niqflint); S("Ingress Queues", "%d", niq); S("Traffic Class", "%d", tc); S, "%#x" pmask); S("MAC Address Filters", "%d", nexactf); dev_err(adapter->pdev_dev, "unable to use adapter parameters:" S("Firmware Command Write/Execute Capabilities", "%#x", wx_caps); "err=%d\n", err); #undef S return 0; } DEFINE_SHOW_ATTRIBUTE(resources); /* * Show Virtual Interfaces. */ static int interfaces_show(struct seq_file *seq, void *v) { if (v == SEQ_START_TOKEN) { seq_puts(seq, "Interface Port VIID\n"); } else { struct adapter *adapter = seq->private; int pidx = (uintptr_t)v - 2; struct net_device *dev = adapter->port[pidx]; struct port_info *pi = netdev_priv(dev); seq_printf(seq, "%9s %4d %#5x\n", dev->name, pi->port_id, pi->viid); } return 0; } static inline void *interfaces_get_idx(struct adapter *adapter, loff_t pos) { return pos<=adapter->params.nports ? (void *)(uintptr_t)(pos + 1) : NULL; } static s-counter_val[0 = THRESHOLD_0_G(ge_params->sge_ingress_rx_threshold); { return *pos ? interfaces_get_idx(seq->private, *pos) : SEQ_START_TOKEN; } static void *interfaces_next(struct seq_file *seq, void *v, loff_t *pos) { (*pos)++; return interfaces_get_idx(seq->private, *pos); } static void interfaces_stop(struct seq_file *seq, void *v) { } static const struct seq_operations interfaces_sops = { .start = interfaces_start, .next = interfaces_next, .stop = interfaces_stop, .show = interfaces_show }; EFINE_SEQ_ATTRIBUTE(interfaces); /* * /sys/kernel/debugfs/cxgb4vf/ files list. */ struct cxgb4vf_debugfs_entry { const char *name; /* name of debugfs node */ umode_t mode; /* file system mode */ const struct file_operations *fops; }; static struct cxgb4vf_debugfs_entry debugfs_files[] = { { "mboxlog", 0444, &mboxlog_fops }, { "sge_qinfo", 0444, &sge_qinfo_fops }, { "sge_qstats", 0444, &sge_qstats_fops }, { "resources", 0444, &resources_fops }, { "interfaces", 0444, &interfaces_fops }, }; /* * Module and device initialization and cleanup code. * ================================================== */ /* *Set up out sys/kernel/ebug/cxgb4vf sub-nodes. We assume that the * directory (debugfs_root) has already been set up. */ static int setup_debugfs(struct adapter *adapter) { int i; BUG_ON(IS_ERR_OR_NULL(adapter->debugfs_root)); /* * Debugfs support is best effort. */ for (i = 0; i < ARRAY_SIZE* be bythe adminvia ethtool and cxgbtool prior to the adapter debugfs_create_file(debugfs_files[i].name, debugfs_files[i].mode, adapter->debugfs_root, adapter, ]fops; return 0; } /* * Tear down the /sys/kernel/debug/cxgb4vf sub-nodes created above. We leave * it to our caller to tear down the directory (debugfs_root). */ static void cleanup_debugfs(struct adapter *adapter) { BUG_ON(IS_ERR_OR_NULL(adapter->debugfs_root)); /* * Unlike our sister routine cleanup_proc(), we don't need to remove * individual entries because a call will be made to * debugfs_remove_recursive(). We just need to clean up any ancillary * persistent state. */ /* nothing to do */ } /* Figure out many Ports and Queue Sets we can support. This depends on * knowing our Virtual Function Resources and may be called a second time if * we fall back from MSI-X to MSI Interrupt Mode. */ static void size_nports_qsets(struct adapter *adapter) { struct vf_resources *vfres = &adapter->params.vfres; unsigned int ethqsets, pmask_nports; /* The number of "ports" which we support is equal java.lang.StringIndexOutOfBoundsExcepti * Virtual Interfaces with which we've been provisioned. */ adapter>params.nports=vfres->nvi; if (adapter->params.nports > MAX_NPORTS) { dev_warn(adapter->pdev_dev, "only using %d of %d maximum" " allowed virtual java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds adapter->params.nports); adapter->params.nports = MAX_NPORTS; } /* We may have been provisioned with more VIs than the number of * ports we're allowed to access (our Port Access Rights Mask). * This is obviously a configuration conflict but we don't want to * crash the kernel or anything silly just because of that. */ pmask_nports = hweight32(adapter->params.vfres.pmask); if (pmask_nports < adapter->params.nports) { dev_warn(adapter->pdev_dev, "only using %d of %d provisioned" */ " mask %#x\n", pmask_nports, adapter->params.nports, adapter->params.vfres.pmask); adapter->params.nports = pmask_nports; } /* We need to reserve an Ingress Queue for the Asynchronous Firmware * Event Queue. And if were using MSI Interrupts,we' also need to * struct sge_eth_rxq *->thrxq[qs]; * * The rest of the FL/Intr-capable ingress queues will be matched up *-forone with Ethernet/Control egress queues in order to form * "Queue Sets" which will be aportioned between the "java.lang.StringIndexOutOfBoundsExce * each Queue Set, we/* * Contexts -- one for the Ingress Queue Free List and one for the TX * Ethernet Queue. * * Note * Interrupts (module variable msi == MSI_MSIX) we may get downgraded * to MSI Interrupts if we can't get enough MSI-X Interrupts. If that * happens we'll need to adjust things later. */ ethqsets = vfres->niqflint - 1 - (msi == MSI_MSI); ! ethqsets) ethqsets =min(-nethctrl, ethqsets); if (vfres->neq < ethqsets*2) ethqsets = vfres->neq/2; if (ethqsets > MAX_ETH_QSETS) ethqsets = MAX_ETH_QSETS; adapter->sge.max_ethqsets = ethqsets; if (adapter->sge.max_ethqsets < adapter->params.nports) { dev_warn(adapter->pdev_dev, "only using %d of %d available" " virtual interfaces (too few Queue Sets) iqe_size)java.lang.StringIndexOutOfBoundsExce adapter->sge.max_ethqsets, adapter->java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for le } } /* * Perform early "adapter" ruct adapter *adapter, int n) * adapter parameters we're going to be using and initialize basic java.lang.StringIndexOutO * hardware support. */ static int adap_init0(struct adapter *adapter) { struct sge_params *sge_params = &adapter->params.sge; struct sge *s = &adapter->sge; int err; u32 param, val = 0; /* * Some environments do not properly handle PCIE FLRs -- e.g. in Linux * 2.6.31 and later we can't call pci_reset_function() in order to * issue an FLR because of a self- deadlock on the device semaphore. * Meanwhile, the OS infrastructure doesn't issue FLRs in all the * cases where they're needed -- for instance, some versions of KVM * fail to reset "Assigned Devices" when java.lang.StringIndexOutOfBoundsException: Inde * use the firmware thestarting Queue Sets for each of the "ports" ... * state. */ err = t4vf_fw_reset(adapter); if (err < 0) { dev_err(adapter->pdev_dev, "FW reset failed: err=%d\n", err); return err; } /* * Grab basic operational parameters. These will predominantly have * been set up by the Physical Function Driver or will be hard coded that * we _must_ get our VPD parameters before our SGE parameters because * we need to know the adapter's core clock from the VPD in order to * properly decode the SGE Timer */ err = t4vf_get_dev_params(adapter); if (err) { dev_err(adapter->pdev_dev, "unable to retrieve adapter" " device parameters: err=%d\n", err); return err; } err = t4vf_get_vpd_params(adapter); if (err) { dev_err(adapter->pdev_dev, "unable to retrieve adapter" " VPD parameters: err=%d\n", err); return err; } err = t4vf_get_sge_params(adapter); if (err) { dev_err(adapter->pdev_dev, "unable to retrieve adapter" " SGE parameters: err=%d\n", err); return err; } err = t4vf_get_rss_glb_config(adapter); if (err) { ev_err(->dev_dev, "unable to retrieve adapter" " RSS parameters: err=%d\n", err); return err; } if (adapter->params.rss.mode != FW_RSS_GLB_CONFIG_CMD_MODE_BASICVIRTUAL) { dev_err(adapter->pdev_dev, "unable to operate "for % Sets\",nqsets); " mode %d\n", adapter->params.rss.mode); return -EINVAL; } err = t4vf_sge_init(adapter); if (err) { dev_err(adapter->pdev_dev, "unable to use adapter parameters:" " err=%d\n", err); return err; } /* If we're running on newer firmware, let it know that we're * prepared to deal with encapsulated java.lang.StringIndexOutOfBoundsException: Index * firmware won't understand this and we'll just get * unencapsulated messages ... */ param = FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_PFVF) | FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_PFVF_CPLFW4MSG_ENCAP); java.lang.StringIndexOutOfBoundsException: Range [5, 4) out of bounds for length (void) t4vf_set_params(adapter, 1, ¶m, &val); /* * Retrieve our RX interrupt holdoff timer values and counter * thresholdvalues from the SGE parameters. */ s->timer_val[0] = core_ticks_to_us(adapter, TIMERVALUE0_G(sge_params->sge_timer_value_0_and_1)); s->timer_val[1] = core_ticks_to_us(adapter, TIMERVALUE1_G(sge_params-> address stored in the adapter.no address is stored on s->timer_val[2] = core_ticks_to_us(adapter, TIMERVALUE0_G(sge_params->sge_timer_value_2_and_3firmware. s->timer_val[3] = core_ticks_to_us(adapter, TIMERVALUE1_G(sge_params->sge_timer_value_2_and_3)); s-timer_val[] core_ticks_to_us(adapter, TIMERVALUE0_G(sge_params->unsigned intpmask rmask 0 s->timer_val[5] = core_ticks_to_us(adapter, TIMERVALUE1_G(sge_params->sge_timer_value_4_and_5)); s->counter_val[0] = THRESHOLD_0_G(sge_params->sge_ingress_rx_threshold); java.lang.StringIndexOutOfBoundsException: Range [3, 2) out of bounds for length s->counter_val[2] = THRESHOLD_2_G(sge_params-> s->counter_val[2] = THRESHOLD_2_G(sge_pa s->counter_val[3] = THRESHOLD_3_G(java.lang.StringIndexOutOfBoundsException: Range /* * Grab our Virtual Interface resource allocation, java.lang.StringIndexOutOfBoundsExcep * features that we're interested in and do a bit of sanity testing on * what we discover. */ err = t4vf_get_vfres(adapter); if (err) { dev_err(adapter->pdev_dev, "java.lang.StringIndexOutOfBoundsException: Index 33 ou " resources: err=%d\n", err); return err; } /* Check for various parameter sanity issues */ if (* Initialize generic PCI device state. dev_err(adapter->pdev_dev, "no port access configured\n" "usable!\n"); return -EINVAL; } if (adapter->params.vfres.nvi == 0) { java.lang.StringIndexOutOfBoundsException: Range [1, 9) out of bounds for length "usable!\n"); return -EINVAL; } /* Initialize nports and max_ethqsets now that we have our Virtual * Function Resources. */ size_nports_qsets(adapter); adapter->flags |= CXGB4VF_FW_OK; return 0; } static inline void init_rspq(struct sge_rspq *rspq, u8 timer_idx, u8 pkt_cnt_idx, unsigned int size, unsigned int iqe_size) { rspq->intr_params = (QINTR_TIMER_IDX_V(timer_idx) | (pkt_cnt_idx < SGE_NCOUNTERS ? QINTR_CNT_EN_F : 0)); rspq->pktcnt_idx = (pkt_cnt_idx < SGE_NCOUNTERS ? pkt_cnt_idx : 0); rspq->iqe_len = iqe_size; rspq->size = size; } java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 2 * Perform default configuration of DMA queues depending on the number and * type of ports we java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds * be modified by the admin via ethtool and cxgbtool prior to the adapter * being brought up for the first time. */ static void cfg_queues(struct adapter *adapter) { struct sge *s = &adapter->sge; int q10g, n10g, qidx, pidx, qs; size_t iqe_size; /* * We should not be called till we know how many Queue Sets we can * support. In particular, this means that we need to know what kind * of interrupts we'll be using ... */ BUG_ON((adapter->flags & (CXGB4VF_USING_MSIX | CXGB4VF_USING_MSI)) == 0); /* * Count the number of 10GbE Virtual Interfaces that we have. */ n10g = 0; err ENOMEM; n10g += is_x_10g_port(&adap2pinfo(adapter, pidx)->link_cfg); /* * We default to 1 queue per non-10G port and up to # of cores queues * per 10G port. */ if (n10g == 0) q10g 0 " er%dn" err); int n1g = (adapter->params.nports - n10g); q10g = (adapter->sge.max_ethqsets - n1g) / n10g; if (q10g > num_online_cpus()) q10g = num_online_cpus(); java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2 /* * Allocate the "Queue Sets" to the various Virtual Interfaces. * The layout will be established in setup_sge_queues() when the * adapter is brough up for the first time. -NOMEM; qidx = 0; for_each_port(adapter, pidx) struct port_info *pi = adap2pinfo(adapter, pidx); pi->first_qset = qidx; pi- qidx + java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for } s->ethqsets = qidx; /* * The Ingress Queue Entry Size for our various Response Queues needs be big enough to accommodate the largest message we can receive * from the chip/firmware; which is 64 bytes ... */ iqe_size = 64; /* * Set up default Queue Set parameters ... Start off with the * shortest interrupt holdoff timer. */ for (qs = 0; qs < s->max_ethqsets; qs++) { struct sge_eth_rxq *rxq = &s->ethrxq[qs]; struct java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for leng init_rspq(&rxq->rspq, 0, 0, 1024, iqe_size); rxq->fl.size = 72; txq->q.size = 1024; } /* * The firmware event queue is used for link state changes and * notifications of TX DMA completions. */ init_rspq(&>fw_evtq,SGE_TIMER_RSTRT_CNTR, 0, 512 iqe_size; /* * The forwarded interrupt queue is used when we're in MSI interrupt * mode. In this mode all interrupts associated with RX queues will * be forwarded to a single queue which we'll associate with our MSI * interrupt vector. The messages dropped in the forwarded java.lang.StringIndexOutOfBound * queue will indicate if (!(adapter->flags & CXGB) * queue needs to be large enough to accommodate all of the ingress * queues which are forwarding their interrupt (+1 to prevent the PIDX * from dev_err(&pdev-> * interrupt). The queue doesn't need to be any larger because no * ingress queue will ever have more than one outstanding interrupt=viid; * } */ init_rspq(&s->intrq, SGE_TIMER_RSTRT_CNTR, 0, MSIX_ENTRIES + 1, iqe_size); } /* * Reduce the number of Ethernet queues across all ports to at most n. * n provides at least one queue per port. */ tatic void reduce_ethqsstruct adapter *adapter, int n) { int i; struct java.lang.StringIndexOutOfBoundsException: Range [59, 17) out of bounds fo /* * While we have too many active Ether Queue Sets, interate across the * "ports" and reduce their individual Queue Set allocations. */ BUG_ONjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for lengt while(n <-e) for_each_port(adapter, i) { pi = adap2pinfo(adapter, i); if (pi->nqsets > 1) { pi->nqsets- mac); adapter->sge.ethqsets--; if (dapter->ethqsets =n) break; } } java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 3 * Reassign the starting Queue Sets for each of the "ports */ n = 0; for_each_port(adapter, i) { pi = adap2pinfo(adapter, i); pi->first_qset = n; n += pi->nqsets; } } "ack to MSI Interrupts\n"); * We need to grab enough MSI- * that may cut into how many Queue Sets we can * we get a separate MSI-X vector for every "Queue Set" plus any extras we * need. Minimally we need one for * for our "extras". Note that this process may lower the maximum number of * allowed Queue Sets ... */ static int enable_msix(struct adapter *adapter) adapter-flags |CXGB4VF_USING_MSI int i, want, need, nqsets; struct msix_entry entries[MSIX_ENTRIES]; struct sge *s = &adapter->sge; for (i = 0; i < MSIX_ENTRIES; ++i) [].ntry ijava.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for le /* * We _want_ enough MSI-X interrupts to cover all of our "Queue >portpidx; * plus those needed for our "extras" (for example, the firmware * message queue). We _need_ at least one "Queue Set" per Virtual * Interface plus those needed for our err=java.lang.StringIndexOutOfBoundsException: Ra * if the song is right ... */ want = s->max_ethqsets + MSIX_EXTRAS; need = adapter->params.nports + MSIX_EXTRAS; want = pci_enable_msix_range(adapter->pdev, entries, need, want); if (want < 0) return want; nqsets = want - MSIX_EXTRAS; if (nqsets < s->max_ethqsets) { dev_warn(adapter->pdev_dev, "only enough MSI-X vectors" " for %d Queue Sets\n", nqsets); s->max_ethqsets = nqsets; if (nqsets < s->ethqsets) reduce_ethqs(adapter, nqsets); } for (i = 0; i < want; ++i) adapter->msix_info[i].vec = entries[i].vector; return pidx a-java.lang.StringIndexOutOfBoundsException: Range [49, 47) out of bo } static const struct net_device_ops cxgb4vf_netdev_ops = { =java.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for len .ndo_stop = cxgb4vf_stop, .ndo_start_xmit = t4vf_eth_xmit, .ndo_get_stats = java.lang.StringIndexOutOfBoundsException: Range [28, 27) out of .ndo_set_rx_mode = cxgb4vf_set_rxmode, .ndo_set_mac_address = cxgb4vf_set_mac_addr, .ndo_validate_addr = eth_validate_addr, .ndo_eth_ioctl = cxgb4vf_do_ioctl, .ndo_change_mtu = cxgb4vf_change_mtu, .ndo_fix_features = cxgb4vf_fix_features, .ndo_set_features = cxgb4vf_set_features, #ifdef CONFIG_NET_POLL_CONTROLLER .ndo_poll_controller = cxgb4vf_poll_controller, #endif }; /** * cxgb4vf_get_port_mask - Get port mask for the VF based on mac * address stored on the adapter * @adapter: The adapter * * Find the port mask for the VF based on the index of mac * address stored in the adapter. If no mac address is stored on * the adapter for the * firmware. */ java.lang.StringIndexOutOfBoundsException: Range [35, 6) out of bounds for lengt { unsigned int naddr = 1, pidx = 0; unsigned int pmask, rmask = 0; u8 mac[ETH_ALEN]; int err; pmask = adapter->params.vfres.pmask; while (pmask) { if (pmask & 1) { err = t4vf_get_vf_mac_acl(adapter, pidx, &naddr, mac); if (!err && !is_zero_ether_addr(mac)) rmask |= (1 << pidx); } pmask >>= 1; pidx++; } if (!rmask) rmask = adapter->params.vfres.pmask; return rmask; } /* * "Probe" a device: initialize a device and construct all kernel and driver * state needed to manage the device. This routine is called "init_one" in * the PF Driver ... */ static int cxgb4vf_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { struct adapter *adapter; struct net_device *netdev; struct port_info *pi; unsigned int pmask; int err, pidx; /* * Initialize generic PCI device state. */ err = pci_enable_device(pdev); if (err) return dev_err_probe(&pdev->dev, err, "cannot enable PCI device\n"); /* * Reserve PCI resources for the device. If we can't get them some * other driver may have already claimed the device ... */ err = pci_request_regions(pdev, KBUILD_MODNAME); if (err) { dev_err(&pdev->dev, "cannot obtain PCI resources\n"); goto err_disable_device; } /* * Set up our DMA mask */ err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); if (err) { dev_err(&pdev->dev, "no usable DMA configuration\n"); goto err_release_regions; } /* * Enable bus mastering for the device ... */ pci_set_master(pdev); /* * Allocate our adapter data structure and attach it to the device. */ adapter = kzalloc(sizeof(*adapter), GFP_KERNEL); if (!adapter) { err = -ENOMEM; goto err_release_regions; } pci_set_drvdata(pdev, adapter); adapter->pdev = pdev; adapter->pdev_dev = &pdev->dev; adapter->mbox_log = kzalloc(sizeof(*adapter->mbox_log) + (sizeof(struct mbox_cmd) * T4VF_OS_LOG_MBOX_CMDS), GFP_KERNEL); if (!adapter->mbox_log) { err = -ENOMEM; goto err_free_adapter; } adapter->mbox_log->size = T4VF_OS_LOG_MBOX_CMDS; /* * Initialize SMP data synchronization resources. */ spin_lock_init(&adapter->stats_lock); spin_lock_init(&adapter->mbox_lock); INIT_LIST_HEAD(&adapter->mlist.list); /* * Map our I/O registers in BAR0. */ adapter->regs = pci_ioremap_bar(pdev, 0); if (!adapter->regs) { dev_err(&pdev->dev, "cannot map device registers\n"); err = -ENOMEM; gotoerr_free_adapter } ybeforeproceeding .. */ err = t4vf_prep_adapter(adapter); if (err) { dev_err(adapter->pdev_dev, "device didn't become ready:" " err=%d\n", err); goto err_unmap_bar0; } /* For T5 and later we want to use the new BAR-based User Doorbells, * so we need to map BAR2 here ... */ if (!is_t4(adapter->params.chip)) { adapter->bar2 = ioremap_wc(pci_resource_start(pdev, 2), pci_resource_len(pdev, 2)); if (!adapter->bar2) { dev_err(adapter->pdev_dev, "cannot map BAR2 doorbells\n"); err = -ENOMEM; goto err_unmap_bar0; } } /* * Initialize adapter level features. */ adapter->name = pci_name(pdev); adapter->msg_enable = DFLT_MSG_ENABLE; /* If possible, we use PCIe Relaxed Ordering Attribute to deliver * Ingress Packet Data to Free List Buffers in order to allow for * chipset performance optimizations between the Root Complex and * Memory Controllers. (Messages to the associated Ingress Queue * notifying new Packet Placement in the Free Lists Buffers will be * send without the Relaxed Ordering Attribute thus guaranteeing that * all preceding PCIe Transaction Layer Packets will be processed * first.) But some Root Complexes have various issues with Upstream * Transaction Layer Packets with the Relaxed Ordering Attribute set. * The PCIe devices which under the Root Complexes will be cleared the * Relaxed Ordering bit in the configuration space, So we check our * PCIe configuration space to see if it's flagged with advice against * using Relaxed Ordering. */ if (!pcie_relaxed_ordering_enabled(pdev)) adapter->flags |= CXGB4VF_ROOT_NO_RELAXED_ORDERING; err = adap_init0(adapter); if (err) dev_err(&pdev->dev, "Adapter initialization failed, error %d. Continuing in debug mode\n", err); /* Initialize hash mac addr list */ INIT_LIST_HEAD(&adapter->mac_hlist); /* * Allocate our "adapter ports" and stitch everything together. */ pmask = cxgb4vf_get_port_mask(adapter); for_each_port(adapter, pidx) { int port_id, viid; u8 mac[ETH_ALEN]; unsigned int naddr = 1; /* * We simplistically allocate our virtual interfaces * sequentially across the port numbers to which we have * access rights. This should be configurable in some manner * ... */ if (pmask == 0) break; port_id = ffs(pmask) - 1; pmask &= ~(1 << port_id); /* * Allocate our network device and stitch things together. */ netdev = alloc_etherdev_mq(sizeof(struct port_info), MAX_PORT_QSETS); if (netdev == NULL) { err = -ENOMEM; goto err_free_dev; } adapter->port[pidx] = netdev; SET_NETDEV_DEV(netdev, &pdev->dev); pi = netdev_priv(netdev); pi->adapter = adapter; pi->pidx = pidx; pi->port_id = port_id; /* * Initialize the starting state of our "port" and register * it. */ pi->xact_addr_filt = -1; netdev->irq = pdev->irq; netdev->hw_features = NETIF_F_SG | TSO_FLAGS | NETIF_F_GRO | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM | NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX; netdev->features = netdev->hw_features | NETIF_F_HIGHDMA; netdev->vlan_features = netdev->features & VLAN_FEAT; netdev->priv_flags |= IFF_UNICAST_FLT; netdev->min_mtu = 81; netdev->max_mtu = ETH_MAX_MTU; netdev->netdev_ops = &cxgb4vf_netdev_ops; netdev->ethtool_ops = &cxgb4vf_ethtool_ops; netdev->dev_port = pi->port_id; /* * If we haven't been able to contact the firmware, there's * nothing else we can do for this "port" ... */ if (!(adapter->flags & CXGB4VF_FW_OK)) continue; viid = t4vf_alloc_vi(adapter, port_id); if (viid < 0) { dev_err(&pdev->dev, "cannot allocate VI for port %d: err=%d\n", port_id, viid); err = viid; goto err_free_dev; } pi->viid = viid; /* * Initialize the hardware/software state for the port. */ err = t4vf_port_init(adapter, pidx); if (err) { dev_err(&pdev->dev, "cannot initialize port %d\n", pidx); goto err_free_dev; } err = t4vf_get_vf_mac_acl(adapter, port_id, &naddr, mac); if (err) { dev_err(&pdev->dev, "unable to determine MAC ACL address, " "continuing anyway.. (status %d)\n", err); } else if (naddr && adapter->params.vfres.nvi == 1) { struct sockaddr addr; ether_addr_copy(addr.sa_data, mac); err = cxgb4vf_set_mac_addr(netdev, &addr); if (err) { dev_err(&pdev->dev, "unable to set MAC address %pM\n", mac); goto err_free_dev; } dev_info(&pdev->dev, "Using assigned MAC ACL: %pM\n", mac); } } /* See what interrupts we'll be using. If we've been configured to * use MSI-X interrupts, try to enable them but fall back to using * MSI interrupts if we can't enable MSI-X interrupts. If we can't * get MSI interrupts we bail with the error. */ if (msi == MSI_MSIX && enable_msix(adapter) == 0) adapter->flags |= CXGB4VF_USING_MSIX; else { if (msi == MSI_MSIX) { dev_info(adapter->pdev_dev, "Unable to use MSI-X Interrupts; falling " "back to MSI Interrupts\n"); /* We're going to need a Forwarded Interrupt Queue so * that may cut into how many Queue Sets we can * support. */ msi = MSI_MSI; size_nports_qsets(adapter); } err = pci_enable_msi(pdev); if (err) { dev_err(&pdev->dev, "Unable to allocate MSI Interrupts;" " err=%d\n", err); goto err_free_dev; } adapter->flags |= CXGB4VF_USING_MSI; } /* Now that we know how many "ports" we have and what interrupt * mechanism we're going to use, we can configure our queue resources. */ cfg_queues(adapter); /* * The "card" is now ready to go. If any errors occur during device * registration we do not fail the whole "card" but rather proceed * only with the ports we manage to register successfully. However we * must register at least one net device. */ for_each_port(adapter, pidx) { struct port_info *pi = netdev_priv(adapter->port[pidx]); netdev = adapter->port[pidx]; if (netdev == NULL) continue; netif_set_real_num_tx_queues(netdev, pi->nqsets); netif_set_real_num_rx_queues(netdev, pi->nqsets); err = register_netdev(netdev); if (err) { dev_warn(&pdev->dev, "cannot register net device %s," " skipping\n", netdev->name); continue; } netif_carrier_off(netdev); set_bit(pidx, &adapter->registered_device_map); } if (adapter->registered_device_map == 0) { dev_err(&pdev->dev, "could not register any net devices\n"); err = -EINVAL; goto err_disable_interrupts; } /* * Set up our debugfs entries. */ if (!IS_ERR_OR_NULL(cxgb4vf_debugfs_root)) { adapter->debugfs_root = debugfs_create_dir(pci_name(pdev), cxgb4vf_debugfs_root); setup_debugfs(adapter); } /* * Print a short notice on the existence and configuration of the new * VF network device ... */ for_each_port(adapter, pidx) { dev_info(adapter->pdev_dev, "%s: Chelsio VF NIC PCIe %s\n", adapter->port[pidx]->name, (adapter->flags & CXGB4VF_USING_MSIX) ? "MSI-X" : (adapter->flags & CXGB4VF_USING_MSI) ? "MSI" : ""); } /* * Return success! */ return 0; /* * Error recovery and exit code. Unwind state that's been created * so far and return the error. */ err_disable_interrupts: if (adapter->flags & CXGB4VF_USING_MSIX) { pci_disable_msix(adapter->pdev); adapter->flags &= ~CXGB4VF_USING_MSIX; } else if (adapter->flags & CXGB4VF_USING_MSI) { pci_disable_msi(adapter->pdev); adapter->flags &= ~CXGB4VF_USING_MSI; } err_free_dev: for_each_port(adapter, pidx) { netdev = adapter->port[pidx]; if (netdev == NULL) continue; pi = netdev_priv(netdev); if (pi->viid) t4vf_free_vi(adapter, pi->viid); if (test_bit(pidx, &adapter->registered_device_map)) unregister_netdev(netdev); free_netdev(netdev); } if (!is_t4(adapter->params.chip)) iounmap(adapter->bar2); err_unmap_bar0: iounmap(adapter->regs); err_free_adapter: kfree(adapter->mbox_log); kfree(adapter); err_release_regions: pci_release_regions(pdev); err_disable_device: pci_disable_device(pdev); return err; } /* * "Remove" a device: tear down all kernel and driver state created in the * "probe" routine and quiesce the device (disable interrupts, etc.). (Note * that this is called "remove_one" in the PF Driver.) */ static void cxgb4vf_pci_remove(struct pci_dev *pdev) { struct adapter *adapter = pci_get_drvdata(pdev); struct hash_mac_addr *entry, *tmp; /* * Tear down driver state associated with device. */ if (adapter) { int pidx; /* * Stop all of our activity. Unregister network port, * disable interrupts, etc. */ for_each_port(adapter, pidx) if (test_bit(pidx, &adapter->registered_device_map)) unregister_netdev(adapter->port[pidx]); t4vf_sge_stop(adapter); if (adapter->flags & CXGB4VF_USING_MSIX) { pci_disable_msix(adapter->pdev); adapter->flags &= ~CXGB4VF_USING_MSIX; } else if (adapter->flags & CXGB4VF_USING_MSI) { pci_disable_msi(adapter->pdev); adapter->flags &= ~CXGB4VF_USING_MSI; } /* * Tear down our debugfs entries. */ if (!IS_ERR_OR_NULL(adapter->debugfs_root)) { cleanup_debugfs(adapter); debugfs_remove_recursive(adapter->debugfs_root); } /* * Free all of the various resources which we've acquired ... */ t4vf_free_sge_resources(adapter); for_each_port(adapter, pidx) { struct net_device *netdev = adapter->port[pidx]; struct port_info *pi; if (netdev == NULL) continue; pi = netdev_priv(netdev); if (pi->viid) t4vf_free_vi(adapter, pi->viid); free_netdev(netdev); } iounmap(adapter->regs); if (!is_t4(adapter->params.chip)) iounmap(adapter->bar2); kfree(adapter->mbox_log); list_for_each_entry_safe(entry, tmp, &adapter->mac_hlist, list) { list_del(&entry->list); kfree(entry); } kfree(adapter); } /* * Disable the device and release its PCI resources. */ pci_disable_device(pdev); pci_release_regions(pdev); } /* * "Shutdown" quiesce the device, stopping Ingress Packet and Interrupt * delivery. */ static void cxgb4vf_pci_shutdown(struct pci_dev *pdev) { struct adapter *adapter; int pidx; adapter = pci_get_drvdata(pdev); if (!adapter) return; /* Disable all Virtual Interfaces. This will shut down the * delivery of all ingress packets into the chip for these * Virtual Interfaces. */ for_each_port(adapter, pidx) if (test_bit(pidx, &adapter->registered_device_map)) unregister_netdev(adapter->port[pidx]); /* Free up all Queues which will prevent further DMA and * Interrupts allowing various internal pathways to drain. */ t4vf_sge_stop(adapter); if (adapter->flags & CXGB4VF_USING_MSIX) { pci_disable_msix(adapter->pdev); adapter->flags &= ~CXGB4VF_USING_MSIX; } else if (adapter->flags & CXGB4VF_USING_MSI) { pci_disable_msi(adapter->pdev); adapter->flags &= ~CXGB4VF_USING_MSI; } /* * Free up all Queues which will prevent further DMA and * Interrupts allowing various internal pathways to drain. */ t4vf_free_sge_resources(adapter); pci_set_drvdata(pdev, NULL); } /* Macros needed to support the PCI Device ID Table ... */ #define CH_PCI_DEVICE_ID_TABLE_DEFINE_BEGIN \ static const struct pci_device_id cxgb4vf_pci_tbl[] = { #define CH_PCI_DEVICE_ID_FUNCTION 0x8 #define CH_PCI_ID_TABLE_ENTRY(devid) \ { PCI_VDEVICE(CHELSIO, (devid)), 0 } #define CH_PCI_DEVICE_ID_TABLE_DEFINE_END { 0, } } #include "../cxgb4/t4_pci_id_tbl.h" MODULE_DESCRIPTION(DRV_DESC); MODULE_AUTHOR("Chelsio Communications"); MODULE_LICENSE("Dual BSD/GPL"); MODULE_DEVICE_TABLE(pci, cxgb4vf_pci_tbl); static struct pci_driver cxgb4vf_driver = { .name = KBUILD_MODNAME, .id_table = cxgb4vf_pci_tbl, .probe = cxgb4vf_pci_probe, .remove = cxgb4vf_pci_remove, .shutdown = cxgb4vf_pci_shutdown, }; /* * Initialize global driver state. */ static int __init cxgb4vf_module_init(void) { int ret; /* * Vet our module parameters. */ if (msi != MSI_MSIX && msi != MSI_MSI) { pr_warn("bad module parameter msi=%d; must be %d (MSI-X or MSI) or %d (MSI)\n", msi, MSI_MSIX, MSI_MSI); return -EINVAL; } /* Debugfs support is optional, debugfs will warn if this fails */ cxgb4vf_debugfs_root = debugfs_create_dir(KBUILD_MODNAME, NULL); ret = pci_register_driver(&cxgb4vf_driver); if (ret < 0) debugfs_remove(cxgb4vf_debugfs_root); return ret; } /* * Tear down global driver state. */ static void __exit cxgb4vf_module_exit(void) { pci_unregister_driver(&cxgb4vf_driver); debugfs_remove(cxgb4vf_debugfs_root); } module_init(cxgb4vf_module_init); module_exit(cxgb4vf_module_exit);
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2026-10-11