diff options
Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c')
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | 1077 |
1 files changed, 752 insertions, 325 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index 854b1717a70d..043733c5c812 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -51,7 +51,6 @@ #include <linux/mutex.h> #include <linux/netdevice.h> #include <linux/pci.h> -#include <linux/aer.h> #include <linux/rtnetlink.h> #include <linux/sched.h> #include <linux/seq_file.h> @@ -66,7 +65,7 @@ #include <linux/crash_dump.h> #include <net/udp_tunnel.h> #include <net/xfrm.h> -#if defined(CONFIG_CHELSIO_TLS_DEVICE) +#if IS_ENABLED(CONFIG_CHELSIO_TLS_DEVICE) #include <net/tls.h> #endif @@ -435,8 +434,8 @@ static int set_rxmode(struct net_device *dev, int mtu, bool sleep_ok) __dev_uc_sync(dev, cxgb4_mac_sync, cxgb4_mac_unsync); __dev_mc_sync(dev, cxgb4_mac_sync, cxgb4_mac_unsync); - return t4_set_rxmode(adapter, adapter->mbox, pi->viid, mtu, - (dev->flags & IFF_PROMISC) ? 1 : 0, + return t4_set_rxmode(adapter, adapter->mbox, pi->viid, pi->viid_mirror, + mtu, (dev->flags & IFF_PROMISC) ? 1 : 0, (dev->flags & IFF_ALLMULTI) ? 1 : 0, 1, -1, sleep_ok); } @@ -449,7 +448,7 @@ static int set_rxmode(struct net_device *dev, int mtu, bool sleep_ok) * or -1 * @addr: the new MAC address value * @persist: whether a new MAC allocation should be persistent - * @add_smt: if true also add the address to the HW SMT + * @smt_idx: the destination to store the new SMT index. * * 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 @@ -503,15 +502,16 @@ set_hash: */ static int link_start(struct net_device *dev) { - int ret; struct port_info *pi = netdev_priv(dev); - unsigned int mb = pi->adapter->pf; + unsigned int mb = pi->adapter->mbox; + int ret; /* * We do not set address filters and promiscuity here, the stack does * that step explicitly. */ - ret = t4_set_rxmode(pi->adapter, mb, pi->viid, dev->mtu, -1, -1, -1, + ret = t4_set_rxmode(pi->adapter, mb, pi->viid, pi->viid_mirror, + dev->mtu, -1, -1, -1, !!(dev->features & NETIF_F_HW_VLAN_CTAG_RX), true); if (ret == 0) ret = cxgb4_update_mac_filt(pi, pi->viid, &pi->xact_addr_filt, @@ -822,6 +822,31 @@ static void adap_config_hpfilter(struct adapter *adapter) "HP filter region isn't supported by FW\n"); } +static int cxgb4_config_rss(const struct port_info *pi, u16 *rss, + u16 rss_size, u16 viid) +{ + struct adapter *adap = pi->adapter; + int ret; + + ret = t4_config_rss_range(adap, adap->mbox, viid, 0, rss_size, rss, + rss_size); + if (ret) + return ret; + + /* 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 ... + */ + return t4_config_vi_rss(adap, adap->mbox, viid, + FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN_F | + FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN_F | + FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN_F | + FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN_F | + FW_RSS_VI_CONFIG_CMD_UDPEN_F, + rss[0]); +} + /** * cxgb4_write_rss - write the RSS table for a given port * @pi: the port @@ -833,10 +858,10 @@ static void adap_config_hpfilter(struct adapter *adapter) */ int cxgb4_write_rss(const struct port_info *pi, const u16 *queues) { - u16 *rss; - int i, err; struct adapter *adapter = pi->adapter; const struct sge_eth_rxq *rxq; + int i, err; + u16 *rss; rxq = &adapter->sge.ethrxq[pi->first_qset]; rss = kmalloc_array(pi->rss_size, sizeof(u16), GFP_KERNEL); @@ -847,21 +872,7 @@ int cxgb4_write_rss(const struct port_info *pi, const u16 *queues) for (i = 0; i < pi->rss_size; i++, queues++) rss[i] = rxq[*queues].rspq.abs_id; - err = t4_config_rss_range(adapter, adapter->pf, pi->viid, 0, - pi->rss_size, rss, pi->rss_size); - /* 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 (!err) - err = t4_config_vi_rss(adapter, adapter->mbox, pi->viid, - FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN_F | - FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN_F | - FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN_F | - FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN_F | - FW_RSS_VI_CONFIG_CMD_UDPEN_F, - rss[0]); + err = cxgb4_config_rss(pi, rss, pi->rss_size, pi->viid); kfree(rss); return err; } @@ -1164,6 +1175,7 @@ static u16 cxgb_select_queue(struct net_device *dev, struct sk_buff *skb, txq = netdev_pick_tx(dev, skb, sb_dev); if (xfrm_offload(skb) || is_ptp_enabled(skb, dev) || skb->encapsulation || + tls_is_skb_tx_device_offloaded(skb) || (proto != IPPROTO_TCP && proto != IPPROTO_UDP)) txq = txq % pi->nqsets; @@ -1259,15 +1271,15 @@ int cxgb4_set_rspq_intr_params(struct sge_rspq *q, static int cxgb_set_features(struct net_device *dev, netdev_features_t features) { - const struct port_info *pi = netdev_priv(dev); netdev_features_t changed = dev->features ^ features; + const struct port_info *pi = netdev_priv(dev); int err; if (!(changed & NETIF_F_HW_VLAN_CTAG_RX)) return 0; - err = t4_set_rxmode(pi->adapter, pi->adapter->pf, pi->viid, -1, - -1, -1, -1, + err = t4_set_rxmode(pi->adapter, pi->adapter->mbox, pi->viid, + pi->viid_mirror, -1, -1, -1, -1, !!(features & NETIF_F_HW_VLAN_CTAG_RX), true); if (unlikely(err)) dev->features = features ^ NETIF_F_HW_VLAN_CTAG_RX; @@ -1285,6 +1297,292 @@ static int setup_debugfs(struct adapter *adap) return 0; } +static void cxgb4_port_mirror_free_rxq(struct adapter *adap, + struct sge_eth_rxq *mirror_rxq) +{ + if ((adap->flags & CXGB4_FULL_INIT_DONE) && + !(adap->flags & CXGB4_SHUTTING_DOWN)) + cxgb4_quiesce_rx(&mirror_rxq->rspq); + + if (adap->flags & CXGB4_USING_MSIX) { + cxgb4_clear_msix_aff(mirror_rxq->msix->vec, + mirror_rxq->msix->aff_mask); + free_irq(mirror_rxq->msix->vec, &mirror_rxq->rspq); + cxgb4_free_msix_idx_in_bmap(adap, mirror_rxq->msix->idx); + } + + free_rspq_fl(adap, &mirror_rxq->rspq, &mirror_rxq->fl); +} + +static int cxgb4_port_mirror_alloc_queues(struct net_device *dev) +{ + struct port_info *pi = netdev2pinfo(dev); + struct adapter *adap = netdev2adap(dev); + struct sge_eth_rxq *mirror_rxq; + struct sge *s = &adap->sge; + int ret = 0, msix = 0; + u16 i, rxqid; + u16 *rss; + + if (!pi->vi_mirror_count) + return 0; + + if (s->mirror_rxq[pi->port_id]) + return 0; + + mirror_rxq = kcalloc(pi->nmirrorqsets, sizeof(*mirror_rxq), GFP_KERNEL); + if (!mirror_rxq) + return -ENOMEM; + + s->mirror_rxq[pi->port_id] = mirror_rxq; + + if (!(adap->flags & CXGB4_USING_MSIX)) + msix = -((int)adap->sge.intrq.abs_id + 1); + + for (i = 0, rxqid = 0; i < pi->nmirrorqsets; i++, rxqid++) { + mirror_rxq = &s->mirror_rxq[pi->port_id][i]; + + /* Allocate Mirror Rxqs */ + if (msix >= 0) { + msix = cxgb4_get_msix_idx_from_bmap(adap); + if (msix < 0) { + ret = msix; + goto out_free_queues; + } + + mirror_rxq->msix = &adap->msix_info[msix]; + snprintf(mirror_rxq->msix->desc, + sizeof(mirror_rxq->msix->desc), + "%s-mirrorrxq%d", dev->name, i); + } + + init_rspq(adap, &mirror_rxq->rspq, + CXGB4_MIRROR_RXQ_DEFAULT_INTR_USEC, + CXGB4_MIRROR_RXQ_DEFAULT_PKT_CNT, + CXGB4_MIRROR_RXQ_DEFAULT_DESC_NUM, + CXGB4_MIRROR_RXQ_DEFAULT_DESC_SIZE); + + mirror_rxq->fl.size = CXGB4_MIRROR_FLQ_DEFAULT_DESC_NUM; + + ret = t4_sge_alloc_rxq(adap, &mirror_rxq->rspq, false, + dev, msix, &mirror_rxq->fl, + t4_ethrx_handler, NULL, 0); + if (ret) + goto out_free_msix_idx; + + /* Setup MSI-X vectors for Mirror Rxqs */ + if (adap->flags & CXGB4_USING_MSIX) { + ret = request_irq(mirror_rxq->msix->vec, + t4_sge_intr_msix, 0, + mirror_rxq->msix->desc, + &mirror_rxq->rspq); + if (ret) + goto out_free_rxq; + + cxgb4_set_msix_aff(adap, mirror_rxq->msix->vec, + &mirror_rxq->msix->aff_mask, i); + } + + /* Start NAPI for Mirror Rxqs */ + cxgb4_enable_rx(adap, &mirror_rxq->rspq); + } + + /* Setup RSS for Mirror Rxqs */ + rss = kcalloc(pi->rss_size, sizeof(u16), GFP_KERNEL); + if (!rss) { + ret = -ENOMEM; + goto out_free_queues; + } + + mirror_rxq = &s->mirror_rxq[pi->port_id][0]; + for (i = 0; i < pi->rss_size; i++) + rss[i] = mirror_rxq[i % pi->nmirrorqsets].rspq.abs_id; + + ret = cxgb4_config_rss(pi, rss, pi->rss_size, pi->viid_mirror); + kfree(rss); + if (ret) + goto out_free_queues; + + return 0; + +out_free_rxq: + free_rspq_fl(adap, &mirror_rxq->rspq, &mirror_rxq->fl); + +out_free_msix_idx: + cxgb4_free_msix_idx_in_bmap(adap, mirror_rxq->msix->idx); + +out_free_queues: + while (rxqid-- > 0) + cxgb4_port_mirror_free_rxq(adap, + &s->mirror_rxq[pi->port_id][rxqid]); + + kfree(s->mirror_rxq[pi->port_id]); + s->mirror_rxq[pi->port_id] = NULL; + return ret; +} + +static void cxgb4_port_mirror_free_queues(struct net_device *dev) +{ + struct port_info *pi = netdev2pinfo(dev); + struct adapter *adap = netdev2adap(dev); + struct sge *s = &adap->sge; + u16 i; + + if (!pi->vi_mirror_count) + return; + + if (!s->mirror_rxq[pi->port_id]) + return; + + for (i = 0; i < pi->nmirrorqsets; i++) + cxgb4_port_mirror_free_rxq(adap, + &s->mirror_rxq[pi->port_id][i]); + + kfree(s->mirror_rxq[pi->port_id]); + s->mirror_rxq[pi->port_id] = NULL; +} + +static int cxgb4_port_mirror_start(struct net_device *dev) +{ + struct port_info *pi = netdev2pinfo(dev); + struct adapter *adap = netdev2adap(dev); + int ret, idx = -1; + + if (!pi->vi_mirror_count) + return 0; + + /* Mirror VIs can be created dynamically after stack had + * already setup Rx modes like MTU, promisc, allmulti, etc. + * on main VI. So, parse what the stack had setup on the + * main VI and update the same on the mirror VI. + */ + ret = t4_set_rxmode(adap, adap->mbox, pi->viid, pi->viid_mirror, + dev->mtu, (dev->flags & IFF_PROMISC) ? 1 : 0, + (dev->flags & IFF_ALLMULTI) ? 1 : 0, 1, + !!(dev->features & NETIF_F_HW_VLAN_CTAG_RX), true); + if (ret) { + dev_err(adap->pdev_dev, + "Failed start up Rx mode for Mirror VI 0x%x, ret: %d\n", + pi->viid_mirror, ret); + return ret; + } + + /* Enable replication bit for the device's MAC address + * in MPS TCAM, so that the packets for the main VI are + * replicated to mirror VI. + */ + ret = cxgb4_update_mac_filt(pi, pi->viid_mirror, &idx, + dev->dev_addr, true, NULL); + if (ret) { + dev_err(adap->pdev_dev, + "Failed updating MAC filter for Mirror VI 0x%x, ret: %d\n", + pi->viid_mirror, ret); + return ret; + } + + /* Enabling a Virtual Interface can result in an interrupt + * during the processing of the VI Enable command and, in some + * paths, result in an attempt to issue another command in the + * interrupt context. Thus, we disable interrupts during the + * course of the VI Enable command ... + */ + local_bh_disable(); + ret = t4_enable_vi_params(adap, adap->mbox, pi->viid_mirror, true, true, + false); + local_bh_enable(); + if (ret) + dev_err(adap->pdev_dev, + "Failed starting Mirror VI 0x%x, ret: %d\n", + pi->viid_mirror, ret); + + return ret; +} + +static void cxgb4_port_mirror_stop(struct net_device *dev) +{ + struct port_info *pi = netdev2pinfo(dev); + struct adapter *adap = netdev2adap(dev); + + if (!pi->vi_mirror_count) + return; + + t4_enable_vi_params(adap, adap->mbox, pi->viid_mirror, false, false, + false); +} + +int cxgb4_port_mirror_alloc(struct net_device *dev) +{ + struct port_info *pi = netdev2pinfo(dev); + struct adapter *adap = netdev2adap(dev); + int ret = 0; + + if (!pi->nmirrorqsets) + return -EOPNOTSUPP; + + mutex_lock(&pi->vi_mirror_mutex); + if (pi->viid_mirror) { + pi->vi_mirror_count++; + goto out_unlock; + } + + ret = t4_init_port_mirror(pi, adap->mbox, pi->port_id, adap->pf, 0, + &pi->viid_mirror); + if (ret) + goto out_unlock; + + pi->vi_mirror_count = 1; + + if (adap->flags & CXGB4_FULL_INIT_DONE) { + ret = cxgb4_port_mirror_alloc_queues(dev); + if (ret) + goto out_free_vi; + + ret = cxgb4_port_mirror_start(dev); + if (ret) + goto out_free_queues; + } + + mutex_unlock(&pi->vi_mirror_mutex); + return 0; + +out_free_queues: + cxgb4_port_mirror_free_queues(dev); + +out_free_vi: + pi->vi_mirror_count = 0; + t4_free_vi(adap, adap->mbox, adap->pf, 0, pi->viid_mirror); + pi->viid_mirror = 0; + +out_unlock: + mutex_unlock(&pi->vi_mirror_mutex); + return ret; +} + +void cxgb4_port_mirror_free(struct net_device *dev) +{ + struct port_info *pi = netdev2pinfo(dev); + struct adapter *adap = netdev2adap(dev); + + mutex_lock(&pi->vi_mirror_mutex); + if (!pi->viid_mirror) + goto out_unlock; + + if (pi->vi_mirror_count > 1) { + pi->vi_mirror_count--; + goto out_unlock; + } + + cxgb4_port_mirror_stop(dev); + cxgb4_port_mirror_free_queues(dev); + + pi->vi_mirror_count = 0; + t4_free_vi(adap, adap->mbox, adap->pf, 0, pi->viid_mirror); + pi->viid_mirror = 0; + +out_unlock: + mutex_unlock(&pi->vi_mirror_mutex); +} + /* * upper-layer driver support */ @@ -1501,7 +1799,10 @@ void cxgb4_remove_tid(struct tid_info *t, unsigned int chan, unsigned int tid, struct adapter *adap = container_of(t, struct adapter, tids); struct sk_buff *skb; - WARN_ON(tid_out_of_range(&adap->tids, tid)); + if (tid_out_of_range(&adap->tids, tid)) { + dev_err(adap->pdev_dev, "tid %d out of range\n", tid); + return; + } if (t->tid_tab[tid - adap->tids.tid_base]) { t->tid_tab[tid - adap->tids.tid_base] = NULL; @@ -1615,6 +1916,7 @@ static int tid_init(struct tid_info *t) * @stid: the server TID * @sip: local IP address to bind server to * @sport: the server's TCP port + * @vlan: the VLAN header information * @queue: queue to direct messages from this server to * * Create an IP server for the given port and address. @@ -1889,18 +2191,6 @@ void cxgb4_get_tcp_stats(struct pci_dev *pdev, struct tp_tcp_stats *v4, } EXPORT_SYMBOL(cxgb4_get_tcp_stats); -void cxgb4_iscsi_init(struct net_device *dev, unsigned int tag_mask, - const unsigned int *pgsz_order) -{ - struct adapter *adap = netdev2adap(dev); - - t4_write_reg(adap, ULP_RX_ISCSI_TAGMASK_A, tag_mask); - t4_write_reg(adap, ULP_RX_ISCSI_PSZ_A, HPZ0_V(pgsz_order[0]) | - HPZ1_V(pgsz_order[1]) | HPZ2_V(pgsz_order[2]) | - HPZ3_V(pgsz_order[3])); -} -EXPORT_SYMBOL(cxgb4_iscsi_init); - int cxgb4_flush_eq_cache(struct net_device *dev) { struct adapter *adap = netdev2adap(dev); @@ -2343,6 +2633,9 @@ static void detach_ulds(struct adapter *adap) { unsigned int i; + if (!is_uld(adap)) + return; + mutex_lock(&uld_mutex); list_del(&adap->list_node); @@ -2534,7 +2827,7 @@ static void cxgb_down(struct adapter *adapter) /* * net_device operations */ -int cxgb_open(struct net_device *dev) +static int cxgb_open(struct net_device *dev) { struct port_info *pi = netdev_priv(dev); struct adapter *adapter = pi->adapter; @@ -2556,12 +2849,33 @@ int cxgb_open(struct net_device *dev) return err; err = link_start(dev); - if (!err) - netif_tx_start_all_queues(dev); + if (err) + return err; + + if (pi->nmirrorqsets) { + mutex_lock(&pi->vi_mirror_mutex); + err = cxgb4_port_mirror_alloc_queues(dev); + if (err) + goto out_unlock; + + err = cxgb4_port_mirror_start(dev); + if (err) + goto out_free_queues; + mutex_unlock(&pi->vi_mirror_mutex); + } + + netif_tx_start_all_queues(dev); + return 0; + +out_free_queues: + cxgb4_port_mirror_free_queues(dev); + +out_unlock: + mutex_unlock(&pi->vi_mirror_mutex); return err; } -int cxgb_close(struct net_device *dev) +static int cxgb_close(struct net_device *dev) { struct port_info *pi = netdev_priv(dev); struct adapter *adapter = pi->adapter; @@ -2575,7 +2889,17 @@ int cxgb_close(struct net_device *dev) cxgb4_dcb_reset(dev); dcb_tx_queue_prio_enable(dev, false); #endif - return ret; + if (ret) + return ret; + + if (pi->nmirrorqsets) { + mutex_lock(&pi->vi_mirror_mutex); + cxgb4_port_mirror_stop(dev); + cxgb4_port_mirror_free_queues(dev); + mutex_unlock(&pi->vi_mirror_mutex); + } + + return 0; } int cxgb4_create_server_filter(const struct net_device *dev, unsigned int stid, @@ -2609,7 +2933,7 @@ int cxgb4_create_server_filter(const struct net_device *dev, unsigned int stid, /* Clear out filter specifications */ memset(&f->fs, 0, sizeof(struct ch_filter_specification)); - f->fs.val.lport = cpu_to_be16(sport); + f->fs.val.lport = be16_to_cpu(sport); f->fs.mask.lport = ~0; val = (u8 *)&sip; if ((val[0] | val[1] | val[2] | val[3]) != 0) { @@ -2718,12 +3042,87 @@ static void cxgb_get_stats(struct net_device *dev, ns->rx_length_errors + stats.rx_len_err + ns->rx_fifo_errors; } +static int cxgb_hwtstamp_get(struct net_device *dev, + struct kernel_hwtstamp_config *config) +{ + struct port_info *pi = netdev_priv(dev); + + *config = pi->tstamp_config; + return 0; +} + +static int cxgb_hwtstamp_set(struct net_device *dev, + struct kernel_hwtstamp_config *config, + struct netlink_ext_ack *extack) +{ + struct port_info *pi = netdev_priv(dev); + struct adapter *adapter = pi->adapter; + + if (is_t4(adapter->params.chip)) { + /* For T4 Adapters */ + switch (config->rx_filter) { + case HWTSTAMP_FILTER_NONE: + pi->rxtstamp = false; + break; + case HWTSTAMP_FILTER_ALL: + pi->rxtstamp = true; + break; + default: + return -ERANGE; + } + pi->tstamp_config = *config; + return 0; + } + + switch (config->tx_type) { + case HWTSTAMP_TX_OFF: + case HWTSTAMP_TX_ON: + break; + default: + return -ERANGE; + } + + switch (config->rx_filter) { + case HWTSTAMP_FILTER_NONE: + pi->rxtstamp = false; + break; + case HWTSTAMP_FILTER_PTP_V1_L4_EVENT: + case HWTSTAMP_FILTER_PTP_V2_L4_EVENT: + cxgb4_ptprx_timestamping(pi, pi->port_id, PTP_TS_L4); + break; + case HWTSTAMP_FILTER_PTP_V2_EVENT: + cxgb4_ptprx_timestamping(pi, pi->port_id, PTP_TS_L2_L4); + break; + case HWTSTAMP_FILTER_ALL: + case HWTSTAMP_FILTER_PTP_V1_L4_SYNC: + case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ: + case HWTSTAMP_FILTER_PTP_V2_L4_SYNC: + case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ: + pi->rxtstamp = true; + break; + default: + return -ERANGE; + } + + if (config->tx_type == HWTSTAMP_TX_OFF && + config->rx_filter == HWTSTAMP_FILTER_NONE) { + if (cxgb4_ptp_txtype(adapter, pi->port_id) >= 0) + pi->ptp_enable = false; + } + + if (config->rx_filter != HWTSTAMP_FILTER_NONE) { + if (cxgb4_ptp_redirect_rx_packet(adapter, pi) >= 0) + pi->ptp_enable = true; + } + pi->tstamp_config = *config; + return 0; +} + static int cxgb_ioctl(struct net_device *dev, struct ifreq *req, int cmd) { unsigned int mbox; int ret = 0, prtad, devad; struct port_info *pi = netdev_priv(dev); - struct adapter *adapter = pi->adapter; struct mii_ioctl_data *data = (struct mii_ioctl_data *)&req->ifr_data; switch (cmd) { @@ -2752,81 +3151,6 @@ static int cxgb_ioctl(struct net_device *dev, struct ifreq *req, int cmd) ret = t4_mdio_wr(pi->adapter, mbox, prtad, devad, data->reg_num, data->val_in); break; - case SIOCGHWTSTAMP: - return copy_to_user(req->ifr_data, &pi->tstamp_config, - sizeof(pi->tstamp_config)) ? - -EFAULT : 0; - case SIOCSHWTSTAMP: - if (copy_from_user(&pi->tstamp_config, req->ifr_data, - sizeof(pi->tstamp_config))) - return -EFAULT; - - if (!is_t4(adapter->params.chip)) { - switch (pi->tstamp_config.tx_type) { - case HWTSTAMP_TX_OFF: - case HWTSTAMP_TX_ON: - break; - default: - return -ERANGE; - } - - switch (pi->tstamp_config.rx_filter) { - case HWTSTAMP_FILTER_NONE: - pi->rxtstamp = false; - break; - case HWTSTAMP_FILTER_PTP_V1_L4_EVENT: - case HWTSTAMP_FILTER_PTP_V2_L4_EVENT: - cxgb4_ptprx_timestamping(pi, pi->port_id, - PTP_TS_L4); - break; - case HWTSTAMP_FILTER_PTP_V2_EVENT: - cxgb4_ptprx_timestamping(pi, pi->port_id, - PTP_TS_L2_L4); - break; - case HWTSTAMP_FILTER_ALL: - case HWTSTAMP_FILTER_PTP_V1_L4_SYNC: - case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ: - case HWTSTAMP_FILTER_PTP_V2_L4_SYNC: - case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ: - pi->rxtstamp = true; - break; - default: - pi->tstamp_config.rx_filter = - HWTSTAMP_FILTER_NONE; - return -ERANGE; - } - - if ((pi->tstamp_config.tx_type == HWTSTAMP_TX_OFF) && - (pi->tstamp_config.rx_filter == - HWTSTAMP_FILTER_NONE)) { - if (cxgb4_ptp_txtype(adapter, pi->port_id) >= 0) - pi->ptp_enable = false; - } - - if (pi->tstamp_config.rx_filter != - HWTSTAMP_FILTER_NONE) { - if (cxgb4_ptp_redirect_rx_packet(adapter, - pi) >= 0) - pi->ptp_enable = true; - } - } else { - /* For T4 Adapters */ - switch (pi->tstamp_config.rx_filter) { - case HWTSTAMP_FILTER_NONE: - pi->rxtstamp = false; - break; - case HWTSTAMP_FILTER_ALL: - pi->rxtstamp = true; - break; - default: - pi->tstamp_config.rx_filter = - HWTSTAMP_FILTER_NONE; - return -ERANGE; - } - } - return copy_to_user(req->ifr_data, &pi->tstamp_config, - sizeof(pi->tstamp_config)) ? - -EFAULT : 0; default: return -EOPNOTSUPP; } @@ -2841,13 +3165,13 @@ static void cxgb_set_rxmode(struct net_device *dev) static int cxgb_change_mtu(struct net_device *dev, int new_mtu) { - int ret; struct port_info *pi = netdev_priv(dev); + int ret; - ret = t4_set_rxmode(pi->adapter, pi->adapter->pf, pi->viid, new_mtu, -1, - -1, -1, -1, true); + ret = t4_set_rxmode(pi->adapter, pi->adapter->mbox, pi->viid, + pi->viid_mirror, new_mtu, -1, -1, -1, -1, true); if (!ret) - dev->mtu = new_mtu; + WRITE_ONCE(dev->mtu, new_mtu); return ret; } @@ -2870,8 +3194,6 @@ static void cxgb4_mgmt_fill_vf_station_mac_addr(struct adapter *adap) int err; u8 *na; - adap->params.pci.vpd_cap_addr = pci_find_capability(adap->pdev, - PCI_CAP_ID_VPD); err = t4_get_raw_vpd_params(adap, &adap->params.vpd); if (err) return; @@ -2915,7 +3237,7 @@ static int cxgb4_mgmt_set_vf_mac(struct net_device *dev, int vf, u8 *mac) dev_info(pi->adapter->pdev_dev, "Setting MAC %pM on VF %d\n", mac, vf); - ret = t4_set_vf_mac_acl(adap, vf + 1, 1, mac); + ret = t4_set_vf_mac_acl(adap, vf + 1, pi->lport, 1, mac); if (!ret) ether_addr_copy(adap->vfinfo[vf].vf_mac_addr, mac); return ret; @@ -2975,7 +3297,7 @@ static int cxgb4_mgmt_set_vf_rate(struct net_device *dev, int vf, } if (max_tx_rate == 0) { - /* unbind VF to to any Traffic Class */ + /* unbind VF to any Traffic Class */ fw_pfvf = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_PFVF) | FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_PFVF_SCHEDCLASS_ETH)); @@ -3136,7 +3458,7 @@ static int cxgb_set_mac_addr(struct net_device *dev, void *p) if (ret < 0) return ret; - memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); + eth_hw_addr_set(dev, addr->sa_data); return 0; } @@ -3163,7 +3485,7 @@ static int cxgb_set_tx_maxrate(struct net_device *dev, int index, u32 rate) struct adapter *adap = pi->adapter; struct ch_sched_queue qe = { 0 }; struct ch_sched_params p = { 0 }; - struct sched_class *e; + struct ch_sched_class *e; u32 req_rate; int err = 0; @@ -3402,129 +3724,71 @@ static int cxgb_setup_tc(struct net_device *dev, enum tc_setup_type type, } } -static void cxgb_del_udp_tunnel(struct net_device *netdev, - struct udp_tunnel_info *ti) +static int cxgb_udp_tunnel_unset_port(struct net_device *netdev, + unsigned int table, unsigned int entry, + struct udp_tunnel_info *ti) { struct port_info *pi = netdev_priv(netdev); struct adapter *adapter = pi->adapter; - unsigned int chip_ver = CHELSIO_CHIP_VERSION(adapter->params.chip); u8 match_all_mac[] = { 0, 0, 0, 0, 0, 0 }; int ret = 0, i; - if (chip_ver < CHELSIO_T6) - return; - switch (ti->type) { case UDP_TUNNEL_TYPE_VXLAN: - if (!adapter->vxlan_port_cnt || - adapter->vxlan_port != ti->port) - return; /* Invalid VxLAN destination port */ - - adapter->vxlan_port_cnt--; - if (adapter->vxlan_port_cnt) - return; - adapter->vxlan_port = 0; t4_write_reg(adapter, MPS_RX_VXLAN_TYPE_A, 0); break; case UDP_TUNNEL_TYPE_GENEVE: - if (!adapter->geneve_port_cnt || - adapter->geneve_port != ti->port) - return; /* Invalid GENEVE destination port */ - - adapter->geneve_port_cnt--; - if (adapter->geneve_port_cnt) - return; - adapter->geneve_port = 0; t4_write_reg(adapter, MPS_RX_GENEVE_TYPE_A, 0); break; default: - return; + return -EINVAL; } /* Matchall mac entries can be deleted only after all tunnel ports * are brought down or removed. */ if (!adapter->rawf_cnt) - return; + return 0; for_each_port(adapter, i) { pi = adap2pinfo(adapter, i); ret = t4_free_raw_mac_filt(adapter, pi->viid, match_all_mac, match_all_mac, - adapter->rawf_start + - pi->port_id, + adapter->rawf_start + pi->port_id, 1, pi->port_id, false); if (ret < 0) { netdev_info(netdev, "Failed to free mac filter entry, for port %d\n", i); - return; + return ret; } } + + return 0; } -static void cxgb_add_udp_tunnel(struct net_device *netdev, - struct udp_tunnel_info *ti) +static int cxgb_udp_tunnel_set_port(struct net_device *netdev, + unsigned int table, unsigned int entry, + struct udp_tunnel_info *ti) { struct port_info *pi = netdev_priv(netdev); struct adapter *adapter = pi->adapter; - unsigned int chip_ver = CHELSIO_CHIP_VERSION(adapter->params.chip); u8 match_all_mac[] = { 0, 0, 0, 0, 0, 0 }; int i, ret; - if (chip_ver < CHELSIO_T6 || !adapter->rawf_cnt) - return; - switch (ti->type) { case UDP_TUNNEL_TYPE_VXLAN: - /* Callback for adding vxlan port can be called with the same - * port for both IPv4 and IPv6. We should not disable the - * offloading when the same port for both protocols is added - * and later one of them is removed. - */ - if (adapter->vxlan_port_cnt && - adapter->vxlan_port == ti->port) { - adapter->vxlan_port_cnt++; - return; - } - - /* We will support only one VxLAN port */ - if (adapter->vxlan_port_cnt) { - netdev_info(netdev, "UDP port %d already offloaded, not adding port %d\n", - be16_to_cpu(adapter->vxlan_port), - be16_to_cpu(ti->port)); - return; - } - adapter->vxlan_port = ti->port; - adapter->vxlan_port_cnt = 1; - t4_write_reg(adapter, MPS_RX_VXLAN_TYPE_A, VXLAN_V(be16_to_cpu(ti->port)) | VXLAN_EN_F); break; case UDP_TUNNEL_TYPE_GENEVE: - if (adapter->geneve_port_cnt && - adapter->geneve_port == ti->port) { - adapter->geneve_port_cnt++; - return; - } - - /* We will support only one GENEVE port */ - if (adapter->geneve_port_cnt) { - netdev_info(netdev, "UDP port %d already offloaded, not adding port %d\n", - be16_to_cpu(adapter->geneve_port), - be16_to_cpu(ti->port)); - return; - } - adapter->geneve_port = ti->port; - adapter->geneve_port_cnt = 1; - t4_write_reg(adapter, MPS_RX_GENEVE_TYPE_A, GENEVE_V(be16_to_cpu(ti->port)) | GENEVE_EN_F); break; default: - return; + return -EINVAL; } /* Create a 'match all' mac filter entry for inner mac, @@ -3539,18 +3803,27 @@ static void cxgb_add_udp_tunnel(struct net_device *netdev, ret = t4_alloc_raw_mac_filt(adapter, pi->viid, match_all_mac, match_all_mac, - adapter->rawf_start + - pi->port_id, + adapter->rawf_start + pi->port_id, 1, pi->port_id, false); if (ret < 0) { netdev_info(netdev, "Failed to allocate a mac filter entry, not adding port %d\n", be16_to_cpu(ti->port)); - cxgb_del_udp_tunnel(netdev, ti); - return; + return ret; } } + + return 0; } +static const struct udp_tunnel_nic_info cxgb_udp_tunnels = { + .set_port = cxgb_udp_tunnel_set_port, + .unset_port = cxgb_udp_tunnel_unset_port, + .tables = { + { .n_entries = 1, .tunnel_types = UDP_TUNNEL_TYPE_VXLAN, }, + { .n_entries = 1, .tunnel_types = UDP_TUNNEL_TYPE_GENEVE, }, + }, +}; + static netdev_features_t cxgb_features_check(struct sk_buff *skb, struct net_device *dev, netdev_features_t features) @@ -3589,7 +3862,7 @@ static const struct net_device_ops cxgb4_netdev_ops = { .ndo_set_mac_address = cxgb_set_mac_addr, .ndo_set_features = cxgb_set_features, .ndo_validate_addr = eth_validate_addr, - .ndo_do_ioctl = cxgb_ioctl, + .ndo_eth_ioctl = cxgb_ioctl, .ndo_change_mtu = cxgb_change_mtu, #ifdef CONFIG_NET_POLL_CONTROLLER .ndo_poll_controller = cxgb_netpoll, @@ -3600,10 +3873,10 @@ static const struct net_device_ops cxgb4_netdev_ops = { #endif /* CONFIG_CHELSIO_T4_FCOE */ .ndo_set_tx_maxrate = cxgb_set_tx_maxrate, .ndo_setup_tc = cxgb_setup_tc, - .ndo_udp_tunnel_add = cxgb_add_udp_tunnel, - .ndo_udp_tunnel_del = cxgb_del_udp_tunnel, .ndo_features_check = cxgb_features_check, .ndo_fix_features = cxgb_fix_features, + .ndo_hwtstamp_get = cxgb_hwtstamp_get, + .ndo_hwtstamp_set = cxgb_hwtstamp_set, }; #ifdef CONFIG_PCI_IOV @@ -3616,21 +3889,21 @@ static const struct net_device_ops cxgb4_mgmt_netdev_ops = { .ndo_set_vf_vlan = cxgb4_mgmt_set_vf_vlan, .ndo_set_vf_link_state = cxgb4_mgmt_set_vf_link_state, }; -#endif static void cxgb4_mgmt_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) { struct adapter *adapter = netdev2adap(dev); - strlcpy(info->driver, cxgb4_driver_name, sizeof(info->driver)); - strlcpy(info->bus_info, pci_name(adapter->pdev), + strscpy(info->driver, cxgb4_driver_name, sizeof(info->driver)); + strscpy(info->bus_info, pci_name(adapter->pdev), sizeof(info->bus_info)); } static const struct ethtool_ops cxgb4_mgmt_ethtool_ops = { .get_drvinfo = cxgb4_mgmt_get_drvinfo, }; +#endif static void notify_fatal_err(struct work_struct *work) { @@ -3727,7 +4000,7 @@ static void adap_free_hma_mem(struct adapter *adapter) if (adapter->hma.flags & HMA_DMA_MAPPED_FLAG) { dma_unmap_sg(adapter->pdev_dev, adapter->hma.sgt->sgl, - adapter->hma.sgt->nents, PCI_DMA_BIDIRECTIONAL); + adapter->hma.sgt->nents, DMA_BIDIRECTIONAL); adapter->hma.flags &= ~HMA_DMA_MAPPED_FLAG; } @@ -4146,8 +4419,7 @@ static int adap_init0_phy(struct adapter *adap) /* Load PHY Firmware onto adapter. */ - ret = t4_load_phy_fw(adap, MEMWIN_NIC, &adap->win0_lock, - phy_info->phy_fw_version, + ret = t4_load_phy_fw(adap, MEMWIN_NIC, phy_info->phy_fw_version, (u8 *)phyf->data, phyf->size); if (ret < 0) dev_err(adap->pdev_dev, "PHY Firmware transfer error %d\n", @@ -4546,7 +4818,7 @@ static int adap_init0(struct adapter *adap, int vpd_skip) goto bye; } - /* Get FW from from /lib/firmware/ */ + /* Get FW from /lib/firmware/ */ ret = request_firmware(&fw, fw_info->fw_mod_name, adap->pdev_dev); if (ret < 0) { @@ -4767,23 +5039,20 @@ static int adap_init0(struct adapter *adap, int vpd_skip) /* Allocate the memory for the vaious egress queue bitmaps * ie starving_fl, txq_maperr and blocked_fl. */ - adap->sge.starving_fl = kcalloc(BITS_TO_LONGS(adap->sge.egr_sz), - sizeof(long), GFP_KERNEL); + adap->sge.starving_fl = bitmap_zalloc(adap->sge.egr_sz, GFP_KERNEL); if (!adap->sge.starving_fl) { ret = -ENOMEM; goto bye; } - adap->sge.txq_maperr = kcalloc(BITS_TO_LONGS(adap->sge.egr_sz), - sizeof(long), GFP_KERNEL); + adap->sge.txq_maperr = bitmap_zalloc(adap->sge.egr_sz, GFP_KERNEL); if (!adap->sge.txq_maperr) { ret = -ENOMEM; goto bye; } #ifdef CONFIG_DEBUG_FS - adap->sge.blocked_fl = kcalloc(BITS_TO_LONGS(adap->sge.egr_sz), - sizeof(long), GFP_KERNEL); + adap->sge.blocked_fl = bitmap_zalloc(adap->sge.egr_sz, GFP_KERNEL); if (!adap->sge.blocked_fl) { ret = -ENOMEM; goto bye; @@ -4856,7 +5125,7 @@ static int adap_init0(struct adapter *adap, int vpd_skip) /* See if FW supports FW_FILTER2 work request */ if (is_t4(adap->params.chip)) { - adap->params.filter2_wr_support = 0; + adap->params.filter2_wr_support = false; } else { params[0] = FW_PARAM_DEV(FILTER2_WR); ret = t4_query_params(adap, adap->mbox, adap->pf, 0, @@ -5136,10 +5405,10 @@ bye: adap_free_hma_mem(adap); kfree(adap->sge.egr_map); kfree(adap->sge.ingr_map); - kfree(adap->sge.starving_fl); - kfree(adap->sge.txq_maperr); + bitmap_free(adap->sge.starving_fl); + bitmap_free(adap->sge.txq_maperr); #ifdef CONFIG_DEBUG_FS - kfree(adap->sge.blocked_fl); + bitmap_free(adap->sge.blocked_fl); #endif if (ret != -ETIMEDOUT && ret != -EIO) t4_fw_bye(adap, adap->mbox); @@ -5189,7 +5458,6 @@ static pci_ers_result_t eeh_slot_reset(struct pci_dev *pdev) if (!adap) { pci_restore_state(pdev); - pci_save_state(pdev); return PCI_ERS_RESULT_RECOVERED; } @@ -5204,7 +5472,6 @@ static pci_ers_result_t eeh_slot_reset(struct pci_dev *pdev) pci_set_master(pdev); pci_restore_state(pdev); - pci_save_state(pdev); if (t4_wait_dev_ready(adap->regs) < 0) return PCI_ERS_RESULT_DISCONNECT; @@ -5377,10 +5644,10 @@ static inline bool is_x_10g_port(const struct link_config *lc) static int cfg_queues(struct adapter *adap) { u32 avail_qsets, avail_eth_qsets, avail_uld_qsets; - u32 i, n10g = 0, qidx = 0, n1g = 0; u32 ncpus = num_online_cpus(); u32 niqflint, neq, num_ulds; struct sge *s = &adap->sge; + u32 i, n10g = 0, qidx = 0; u32 q10g = 0, q1g; /* Reduce memory usage in kdump environment, disable all offload. */ @@ -5426,7 +5693,6 @@ static int cfg_queues(struct adapter *adap) if (n10g) q10g = (avail_eth_qsets - (adap->params.nports - n10g)) / n10g; - n1g = adap->params.nports - n10g; #ifdef CONFIG_CHELSIO_T4_DCB /* For Data Center Bridging support we need to be able to support up * to 8 Traffic Priorities; each of which will be assigned to its @@ -5444,7 +5710,8 @@ static int cfg_queues(struct adapter *adap) else q10g = max(8U, q10g); - while ((q10g * n10g) > (avail_eth_qsets - n1g * q1g)) + while ((q10g * n10g) > + (avail_eth_qsets - (adap->params.nports - n10g) * q1g)) q10g--; #else /* !CONFIG_CHELSIO_T4_DCB */ @@ -5502,6 +5769,19 @@ static int cfg_queues(struct adapter *adap) avail_qsets -= s->eoqsets; } + /* Mirror queues must follow same scheme as normal Ethernet + * Queues, when there are enough queues available. Otherwise, + * allocate at least 1 queue per port. If even 1 queue is not + * available, then disable mirror queues support. + */ + if (avail_qsets >= s->max_ethqsets) + s->mirrorqsets = s->max_ethqsets; + else if (avail_qsets >= adap->params.nports) + s->mirrorqsets = adap->params.nports; + else + s->mirrorqsets = 0; + avail_qsets -= s->mirrorqsets; + for (i = 0; i < ARRAY_SIZE(s->ethrxq); i++) { struct sge_eth_rxq *r = &s->ethrxq[i]; @@ -5560,8 +5840,7 @@ static int alloc_msix_info(struct adapter *adap, u32 num_vec) if (!msix_info) return -ENOMEM; - adap->msix_bmap.msix_bmap = kcalloc(BITS_TO_LONGS(num_vec), - sizeof(long), GFP_KERNEL); + adap->msix_bmap.msix_bmap = bitmap_zalloc(num_vec, GFP_KERNEL); if (!adap->msix_bmap.msix_bmap) { kfree(msix_info); return -ENOMEM; @@ -5576,7 +5855,7 @@ static int alloc_msix_info(struct adapter *adap, u32 num_vec) static void free_msix_info(struct adapter *adap) { - kfree(adap->msix_bmap.msix_bmap); + bitmap_free(adap->msix_bmap.msix_bmap); kfree(adap->msix_info); } @@ -5615,8 +5894,8 @@ void cxgb4_free_msix_idx_in_bmap(struct adapter *adap, static int enable_msix(struct adapter *adap) { - u32 eth_need, uld_need = 0, ethofld_need = 0; - u32 ethqsets = 0, ofldqsets = 0, eoqsets = 0; + u32 eth_need, uld_need = 0, ethofld_need = 0, mirror_need = 0; + u32 ethqsets = 0, ofldqsets = 0, eoqsets = 0, mirrorqsets = 0; u8 num_uld = 0, nchan = adap->params.nports; u32 i, want, need, num_vec; struct sge *s = &adap->sge; @@ -5647,6 +5926,12 @@ static int enable_msix(struct adapter *adap) need += ethofld_need; } + if (s->mirrorqsets) { + want += s->mirrorqsets; + mirror_need = nchan; + need += mirror_need; + } + want += EXTRA_VECS; need += EXTRA_VECS; @@ -5680,8 +5965,10 @@ static int enable_msix(struct adapter *adap) adap->params.ethofld = 0; s->ofldqsets = 0; s->eoqsets = 0; + s->mirrorqsets = 0; uld_need = 0; ethofld_need = 0; + mirror_need = 0; } num_vec = allocated; @@ -5695,6 +5982,8 @@ static int enable_msix(struct adapter *adap) ofldqsets = nchan; if (is_ethofld(adap)) eoqsets = ethofld_need; + if (s->mirrorqsets) + mirrorqsets = mirror_need; num_vec -= need; while (num_vec) { @@ -5726,12 +6015,25 @@ static int enable_msix(struct adapter *adap) num_vec -= uld_need; } } + + if (s->mirrorqsets) { + while (num_vec) { + if (num_vec < mirror_need || + mirrorqsets > s->mirrorqsets) + break; + + mirrorqsets++; + num_vec -= mirror_need; + } + } } else { ethqsets = s->max_ethqsets; if (is_uld(adap)) ofldqsets = s->ofldqsets; if (is_ethofld(adap)) eoqsets = s->eoqsets; + if (s->mirrorqsets) + mirrorqsets = s->mirrorqsets; } if (ethqsets < s->max_ethqsets) { @@ -5747,6 +6049,15 @@ static int enable_msix(struct adapter *adap) if (is_ethofld(adap)) s->eoqsets = eoqsets; + if (s->mirrorqsets) { + s->mirrorqsets = mirrorqsets; + for_each_port(adap, i) { + pi = adap2pinfo(adap, i); + pi->nmirrorqsets = s->mirrorqsets / nchan; + mutex_init(&pi->vi_mirror_mutex); + } + } + /* map for msix */ ret = alloc_msix_info(adap, allocated); if (ret) @@ -5758,8 +6069,9 @@ static int enable_msix(struct adapter *adap) } dev_info(adap->pdev_dev, - "%d MSI-X vectors allocated, nic %d eoqsets %d per uld %d\n", - allocated, s->max_ethqsets, s->eoqsets, s->nqs_per_uld); + "%d MSI-X vectors allocated, nic %d eoqsets %d per uld %d mirrorqsets %d\n", + allocated, s->max_ethqsets, s->eoqsets, s->nqs_per_uld, + s->mirrorqsets); kfree(entries); return 0; @@ -5836,8 +6148,7 @@ static void print_port_info(const struct net_device *dev) --bufp; sprintf(bufp, "BASE-%s", t4_get_port_type_description(pi->port_type)); - netdev_info(dev, "%s: Chelsio %s (%s) %s\n", - dev->name, adap->params.vpd.id, adap->name, buf); + netdev_info(dev, "Chelsio %s %s\n", adap->params.vpd.id, buf); } /* @@ -5860,12 +6171,13 @@ static void free_some_resources(struct adapter *adapter) cxgb4_cleanup_tc_mqprio(adapter); cxgb4_cleanup_tc_flower(adapter); cxgb4_cleanup_tc_u32(adapter); + cxgb4_cleanup_ethtool_filters(adapter); kfree(adapter->sge.egr_map); kfree(adapter->sge.ingr_map); - kfree(adapter->sge.starving_fl); - kfree(adapter->sge.txq_maperr); + bitmap_free(adapter->sge.starving_fl); + bitmap_free(adapter->sge.txq_maperr); #ifdef CONFIG_DEBUG_FS - kfree(adapter->sge.blocked_fl); + bitmap_free(adapter->sge.blocked_fl); #endif disable_msi(adapter); @@ -6067,7 +6379,50 @@ static int cxgb4_iov_configure(struct pci_dev *pdev, int num_vfs) } #endif /* CONFIG_PCI_IOV */ -#if defined(CONFIG_CHELSIO_TLS_DEVICE) +#if IS_ENABLED(CONFIG_CHELSIO_TLS_DEVICE) || IS_ENABLED(CONFIG_CHELSIO_IPSEC_INLINE) + +static int chcr_offload_state(struct adapter *adap, + enum cxgb4_netdev_tls_ops op_val) +{ + switch (op_val) { +#if IS_ENABLED(CONFIG_CHELSIO_TLS_DEVICE) + case CXGB4_TLSDEV_OPS: + if (!adap->uld[CXGB4_ULD_KTLS].handle) { + dev_dbg(adap->pdev_dev, "ch_ktls driver is not loaded\n"); + return -EOPNOTSUPP; + } + if (!adap->uld[CXGB4_ULD_KTLS].tlsdev_ops) { + dev_dbg(adap->pdev_dev, + "ch_ktls driver has no registered tlsdev_ops\n"); + return -EOPNOTSUPP; + } + break; +#endif /* CONFIG_CHELSIO_TLS_DEVICE */ +#if IS_ENABLED(CONFIG_CHELSIO_IPSEC_INLINE) + case CXGB4_XFRMDEV_OPS: + if (!adap->uld[CXGB4_ULD_IPSEC].handle) { + dev_dbg(adap->pdev_dev, "chipsec driver is not loaded\n"); + return -EOPNOTSUPP; + } + if (!adap->uld[CXGB4_ULD_IPSEC].xfrmdev_ops) { + dev_dbg(adap->pdev_dev, + "chipsec driver has no registered xfrmdev_ops\n"); + return -EOPNOTSUPP; + } + break; +#endif /* CONFIG_CHELSIO_IPSEC_INLINE */ + default: + dev_dbg(adap->pdev_dev, + "driver has no support for offload %d\n", op_val); + return -EOPNOTSUPP; + } + + return 0; +} + +#endif /* CONFIG_CHELSIO_TLS_DEVICE || CONFIG_CHELSIO_IPSEC_INLINE */ + +#if IS_ENABLED(CONFIG_CHELSIO_TLS_DEVICE) static int cxgb4_ktls_dev_add(struct net_device *netdev, struct sock *sk, enum tls_offload_ctx_dir direction, @@ -6075,30 +6430,21 @@ static int cxgb4_ktls_dev_add(struct net_device *netdev, struct sock *sk, u32 tcp_sn) { struct adapter *adap = netdev2adap(netdev); - int ret = 0; + int ret; mutex_lock(&uld_mutex); - if (!adap->uld[CXGB4_ULD_CRYPTO].handle) { - dev_err(adap->pdev_dev, "chcr driver is not loaded\n"); - ret = -EOPNOTSUPP; - goto out_unlock; - } - - if (!adap->uld[CXGB4_ULD_CRYPTO].tlsdev_ops) { - dev_err(adap->pdev_dev, - "chcr driver has no registered tlsdev_ops()\n"); - ret = -EOPNOTSUPP; + ret = chcr_offload_state(adap, CXGB4_TLSDEV_OPS); + if (ret) goto out_unlock; - } ret = cxgb4_set_ktls_feature(adap, FW_PARAMS_PARAM_DEV_KTLS_HW_ENABLE); if (ret) goto out_unlock; - ret = adap->uld[CXGB4_ULD_CRYPTO].tlsdev_ops->tls_dev_add(netdev, sk, - direction, - crypto_info, - tcp_sn); + ret = adap->uld[CXGB4_ULD_KTLS].tlsdev_ops->tls_dev_add(netdev, sk, + direction, + crypto_info, + tcp_sn); /* if there is a failure, clear the refcount */ if (ret) cxgb4_set_ktls_feature(adap, @@ -6115,22 +6461,14 @@ static void cxgb4_ktls_dev_del(struct net_device *netdev, struct adapter *adap = netdev2adap(netdev); mutex_lock(&uld_mutex); - if (!adap->uld[CXGB4_ULD_CRYPTO].handle) { - dev_err(adap->pdev_dev, "chcr driver is not loaded\n"); - goto out_unlock; - } - - if (!adap->uld[CXGB4_ULD_CRYPTO].tlsdev_ops) { - dev_err(adap->pdev_dev, - "chcr driver has no registered tlsdev_ops\n"); + if (chcr_offload_state(adap, CXGB4_TLSDEV_OPS)) goto out_unlock; - } - adap->uld[CXGB4_ULD_CRYPTO].tlsdev_ops->tls_dev_del(netdev, tls_ctx, - direction); - cxgb4_set_ktls_feature(adap, FW_PARAMS_PARAM_DEV_KTLS_HW_DISABLE); + adap->uld[CXGB4_ULD_KTLS].tlsdev_ops->tls_dev_del(netdev, tls_ctx, + direction); out_unlock: + cxgb4_set_ktls_feature(adap, FW_PARAMS_PARAM_DEV_KTLS_HW_DISABLE); mutex_unlock(&uld_mutex); } @@ -6140,6 +6478,98 @@ static const struct tlsdev_ops cxgb4_ktls_ops = { }; #endif /* CONFIG_CHELSIO_TLS_DEVICE */ +#if IS_ENABLED(CONFIG_CHELSIO_IPSEC_INLINE) + +static int cxgb4_xfrm_add_state(struct net_device *dev, + struct xfrm_state *x, + struct netlink_ext_ack *extack) +{ + struct adapter *adap = netdev2adap(dev); + int ret; + + if (!mutex_trylock(&uld_mutex)) { + NL_SET_ERR_MSG_MOD(extack, "crypto uld critical resource is under use"); + return -EBUSY; + } + ret = chcr_offload_state(adap, CXGB4_XFRMDEV_OPS); + if (ret) + goto out_unlock; + + ret = adap->uld[CXGB4_ULD_IPSEC].xfrmdev_ops->xdo_dev_state_add(dev, x, + extack); + +out_unlock: + mutex_unlock(&uld_mutex); + + return ret; +} + +static void cxgb4_xfrm_del_state(struct net_device *dev, struct xfrm_state *x) +{ + struct adapter *adap = netdev2adap(dev); + + if (!mutex_trylock(&uld_mutex)) { + dev_dbg(adap->pdev_dev, + "crypto uld critical resource is under use\n"); + return; + } + if (chcr_offload_state(adap, CXGB4_XFRMDEV_OPS)) + goto out_unlock; + + adap->uld[CXGB4_ULD_IPSEC].xfrmdev_ops->xdo_dev_state_delete(dev, x); + +out_unlock: + mutex_unlock(&uld_mutex); +} + +static void cxgb4_xfrm_free_state(struct net_device *dev, struct xfrm_state *x) +{ + struct adapter *adap = netdev2adap(dev); + + if (!mutex_trylock(&uld_mutex)) { + dev_dbg(adap->pdev_dev, + "crypto uld critical resource is under use\n"); + return; + } + if (chcr_offload_state(adap, CXGB4_XFRMDEV_OPS)) + goto out_unlock; + + adap->uld[CXGB4_ULD_IPSEC].xfrmdev_ops->xdo_dev_state_free(dev, x); + +out_unlock: + mutex_unlock(&uld_mutex); +} + +static void cxgb4_advance_esn_state(struct xfrm_state *x) +{ + struct adapter *adap = netdev2adap(x->xso.dev); + + if (x->xso.dir != XFRM_DEV_OFFLOAD_IN) + return; + + if (!mutex_trylock(&uld_mutex)) { + dev_dbg(adap->pdev_dev, + "crypto uld critical resource is under use\n"); + return; + } + if (chcr_offload_state(adap, CXGB4_XFRMDEV_OPS)) + goto out_unlock; + + adap->uld[CXGB4_ULD_IPSEC].xfrmdev_ops->xdo_dev_state_advance_esn(x); + +out_unlock: + mutex_unlock(&uld_mutex); +} + +static const struct xfrmdev_ops cxgb4_xfrmdev_ops = { + .xdo_dev_state_add = cxgb4_xfrm_add_state, + .xdo_dev_state_delete = cxgb4_xfrm_del_state, + .xdo_dev_state_free = cxgb4_xfrm_free_state, + .xdo_dev_state_advance_esn = cxgb4_advance_esn_state, +}; + +#endif /* CONFIG_CHELSIO_IPSEC_INLINE */ + static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) { struct net_device *netdev; @@ -6147,7 +6577,6 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) static int adap_idx = 1; int s_qpp, qpp, num_seg; struct port_info *pi; - bool highdma = false; enum chip_type chip; void __iomem *regs; int func, chip_ver; @@ -6226,23 +6655,12 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) return 0; } - if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) { - highdma = true; - err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); - if (err) { - dev_err(&pdev->dev, "unable to obtain 64-bit DMA for " - "coherent allocations\n"); - goto out_free_adapter; - } - } else { - err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); - if (err) { - dev_err(&pdev->dev, "no usable DMA configuration\n"); - goto out_free_adapter; - } + err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); + if (err) { + dev_err(&pdev->dev, "no usable DMA configuration\n"); + goto out_free_adapter; } - pci_enable_pcie_error_reporting(pdev); pci_set_master(pdev); pci_save_state(pdev); adap_idx++; @@ -6327,13 +6745,11 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) setup_memwin(adapter); err = adap_init0(adapter, 0); -#ifdef CONFIG_DEBUG_FS - bitmap_zero(adapter->sge.blocked_fl, adapter->sge.egr_sz); -#endif - setup_memwin_rdma(adapter); if (err) goto out_unmap_bar; + setup_memwin_rdma(adapter); + /* configure SGE_STAT_CFG_A to read WC stats */ if (!is_t4(adapter->params.chip)) t4_write_reg(adapter, SGE_STAT_CFG_A, STATSOURCE_T5_V(7) | @@ -6370,7 +6786,7 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM | NETIF_F_RXHASH | NETIF_F_GRO | NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX | - NETIF_F_HW_TC; + NETIF_F_HW_TC | NETIF_F_NTUPLE | NETIF_F_HIGHDMA; if (chip_ver > CHELSIO_T5) { netdev->hw_enc_features |= NETIF_F_IP_CSUM | @@ -6383,20 +6799,29 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) netdev->hw_features |= NETIF_F_GSO_UDP_TUNNEL | NETIF_F_GSO_UDP_TUNNEL_CSUM | NETIF_F_HW_TLS_RECORD; + + if (adapter->rawf_cnt) + netdev->udp_tunnel_nic_info = &cxgb_udp_tunnels; } - if (highdma) - netdev->hw_features |= NETIF_F_HIGHDMA; netdev->features |= netdev->hw_features; netdev->vlan_features = netdev->features & VLAN_FEAT; -#if defined(CONFIG_CHELSIO_TLS_DEVICE) +#if IS_ENABLED(CONFIG_CHELSIO_TLS_DEVICE) if (pi->adapter->params.crypto & FW_CAPS_CONFIG_TLS_HW) { netdev->hw_features |= NETIF_F_HW_TLS_TX; netdev->tlsdev_ops = &cxgb4_ktls_ops; /* initialize the refcount */ refcount_set(&pi->adapter->chcr_ktls.ktls_refcount, 0); } -#endif +#endif /* CONFIG_CHELSIO_TLS_DEVICE */ +#if IS_ENABLED(CONFIG_CHELSIO_IPSEC_INLINE) + if (pi->adapter->params.crypto & FW_CAPS_CONFIG_IPSEC_INLINE) { + netdev->hw_enc_features |= NETIF_F_HW_ESP; + netdev->features |= NETIF_F_HW_ESP; + netdev->xfrmdev_ops = &cxgb4_xfrmdev_ops; + } +#endif /* CONFIG_CHELSIO_IPSEC_INLINE */ + netdev->priv_flags |= IFF_UNICAST_FLT; /* MTU range: 81 - 9600 */ @@ -6493,6 +6918,24 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) i); } + if (is_offload(adapter) || is_hashfilter(adapter)) { + if (t4_read_reg(adapter, LE_DB_CONFIG_A) & HASHEN_F) { + u32 v; + + v = t4_read_reg(adapter, LE_DB_HASH_CONFIG_A); + if (chip_ver <= CHELSIO_T5) { + adapter->tids.nhash = 1 << HASHTIDSIZE_G(v); + v = t4_read_reg(adapter, LE_DB_TID_HASHBASE_A); + adapter->tids.hash_base = v / 4; + } else { + adapter->tids.nhash = HASHTBLSIZE_G(v) << 3; + v = t4_read_reg(adapter, + T6_LE_DB_HASH_TID_BASE_A); + adapter->tids.hash_base = v; + } + } + } + if (tid_init(&adapter->tids) < 0) { dev_warn(&pdev->dev, "could not allocate TID table, " "continuing\n"); @@ -6514,22 +6957,9 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) if (cxgb4_init_tc_matchall(adapter)) dev_warn(&pdev->dev, "could not offload tc matchall, continuing\n"); - } - - if (is_offload(adapter) || is_hashfilter(adapter)) { - if (t4_read_reg(adapter, LE_DB_CONFIG_A) & HASHEN_F) { - u32 hash_base, hash_reg; - - if (chip_ver <= CHELSIO_T5) { - hash_reg = LE_DB_TID_HASHBASE_A; - hash_base = t4_read_reg(adapter, hash_reg); - adapter->tids.hash_base = hash_base / 4; - } else { - hash_reg = T6_LE_DB_HASH_TID_BASE_A; - hash_base = t4_read_reg(adapter, hash_reg); - adapter->tids.hash_base = hash_base; - } - } + if (cxgb4_init_ethtool_filters(adapter)) + dev_warn(&pdev->dev, + "could not initialize ethtool filters, continuing\n"); } /* See what interrupts we'll be using */ @@ -6635,7 +7065,6 @@ fw_attach_fail: out_unmap_bar0: iounmap(regs); out_disable_device: - pci_disable_pcie_error_reporting(pdev); pci_disable_device(pdev); out_release_regions: pci_release_regions(pdev); @@ -6667,10 +7096,13 @@ static void remove_one(struct pci_dev *pdev) */ destroy_workqueue(adapter->workq); - if (is_uld(adapter)) { - detach_ulds(adapter); - t4_uld_clean_up(adapter); - } + detach_ulds(adapter); + + for_each_port(adapter, i) + if (adapter->port[i]->reg_state == NETREG_REGISTERED) + unregister_netdev(adapter->port[i]); + + t4_uld_clean_up(adapter); adap_free_hma_mem(adapter); @@ -6678,10 +7110,6 @@ static void remove_one(struct pci_dev *pdev) cxgb4_free_mps_ref_entries(adapter); - for_each_port(adapter, i) - if (adapter->port[i]->reg_state == NETREG_REGISTERED) - unregister_netdev(adapter->port[i]); - debugfs_remove_recursive(adapter->debugfs_root); if (!is_t4(adapter->params.chip)) @@ -6715,7 +7143,6 @@ static void remove_one(struct pci_dev *pdev) } #endif iounmap(adapter->regs); - pci_disable_pcie_error_reporting(pdev); if ((adapter->flags & CXGB4_DEV_ENABLED)) { pci_disable_device(pdev); adapter->flags &= ~CXGB4_DEV_ENABLED; |
