diff options
Diffstat (limited to 'drivers')
6 files changed, 254 insertions, 5 deletions
diff --git a/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c b/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c index 03bfa9771e4d..a060586f33b7 100644 --- a/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c +++ b/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c @@ -106,6 +106,7 @@ static const char oct_stats_strings[][ETH_GSTRING_LEN] = { "tx_tso", "tx_tso_packets", "tx_tso_err", + "tx_vxlan", "mac_tx_total_pkts", "mac_tx_total_bytes", @@ -129,6 +130,9 @@ static const char oct_stats_strings[][ETH_GSTRING_LEN] = { "rx_err_link", "rx_err_drop", + "rx_vxlan", + "rx_vxlan_err", + "rx_lro_pkts", "rx_lro_bytes", "rx_total_lro", @@ -167,6 +171,7 @@ static const char oct_iq_stats_strings[][ETH_GSTRING_LEN] = { "fw_bytes_sent", "tso", + "vxlan", "txq_restart", }; @@ -186,6 +191,7 @@ static const char oct_droq_stats_strings[][ETH_GSTRING_LEN] = { "fw_bytes_received", "fw_dropped_nodispatch", + "vxlan", "buffer_alloc_failure", }; @@ -675,6 +681,10 @@ lio_get_ethtool_stats(struct net_device *netdev, *fw_err_tso */ data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.fw_err_tso); + /*per_core_stats[cvmx_get_core_num()].link_stats[idx].fromhost. + *fw_tx_vxlan + */ + data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.fw_tx_vxlan); /* mac tx statistics */ /*CVMX_BGXX_CMRX_TX_STAT5 */ @@ -729,6 +739,15 @@ lio_get_ethtool_stats(struct net_device *netdev, */ data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_err_drop); + /*per_core_stats[cvmx_get_core_num()].link_stats[lro_ctx->ifidx]. + *fromwire.fw_rx_vxlan + */ + data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_rx_vxlan); + /*per_core_stats[cvmx_get_core_num()].link_stats[lro_ctx->ifidx]. + *fromwire.fw_rx_vxlan_err + */ + data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_rx_vxlan_err); + /* LRO */ /*per_core_stats[cvmx_get_core_num()].link_stats[ifidx].fromwire. *fw_lro_pkts @@ -822,6 +841,8 @@ lio_get_ethtool_stats(struct net_device *netdev, /*tso request*/ data[i++] = CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_gso); + /*vxlan request*/ + data[i++] = CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_vxlan); /*txq restart*/ data[i++] = CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_restart); @@ -858,6 +879,9 @@ lio_get_ethtool_stats(struct net_device *netdev, CVM_CAST64(oct_dev->droq[j]->stats.bytes_received); data[i++] = CVM_CAST64(oct_dev->droq[j]->stats.dropped_nodispatch); + + data[i++] = + CVM_CAST64(oct_dev->droq[j]->stats.rx_vxlan); data[i++] = CVM_CAST64(oct_dev->droq[j]->stats.rx_alloc_failure); } @@ -1083,6 +1107,9 @@ octnet_nic_stats_callback(struct octeon_device *oct_dev, rstats->fw_err_pko = rsp_rstats->fw_err_pko; rstats->fw_err_link = rsp_rstats->fw_err_link; rstats->fw_err_drop = rsp_rstats->fw_err_drop; + rstats->fw_rx_vxlan = rsp_rstats->fw_rx_vxlan; + rstats->fw_rx_vxlan_err = rsp_rstats->fw_rx_vxlan_err; + /* Number of packets that are LROed */ rstats->fw_lro_pkts = rsp_rstats->fw_lro_pkts; /* Number of octets that are LROed */ @@ -1127,6 +1154,8 @@ octnet_nic_stats_callback(struct octeon_device *oct_dev, tstats->fw_tso = rsp_tstats->fw_tso; tstats->fw_tso_fwd = rsp_tstats->fw_tso_fwd; tstats->fw_err_tso = rsp_tstats->fw_err_tso; + tstats->fw_tx_vxlan = rsp_tstats->fw_tx_vxlan; + resp->status = 1; } else { resp->status = -1; diff --git a/drivers/net/ethernet/cavium/liquidio/lio_main.c b/drivers/net/ethernet/cavium/liquidio/lio_main.c index 1a584ebde42c..4a5629f8d238 100644 --- a/drivers/net/ethernet/cavium/liquidio/lio_main.c +++ b/drivers/net/ethernet/cavium/liquidio/lio_main.c @@ -37,6 +37,7 @@ #include <linux/list.h> #include <linux/workqueue.h> #include <linux/interrupt.h> +#include <net/vxlan.h> #include "octeon_config.h" #include "liquidio_common.h" #include "octeon_droq.h" @@ -2000,14 +2001,25 @@ liquidio_push_packet(u32 octeon_id, } skb->protocol = eth_type_trans(skb, skb->dev); - if ((netdev->features & NETIF_F_RXCSUM) && - (rh->r_dh.csum_verified == CNNIC_CSUM_VERIFIED)) + (((rh->r_dh.encap_on) && + (rh->r_dh.csum_verified & CNNIC_TUN_CSUM_VERIFIED)) || + (!(rh->r_dh.encap_on) && + (rh->r_dh.csum_verified & CNNIC_CSUM_VERIFIED)))) /* checksum has already been verified */ skb->ip_summed = CHECKSUM_UNNECESSARY; else skb->ip_summed = CHECKSUM_NONE; + /* Setting Encapsulation field on basis of status received + * from the firmware + */ + if (rh->r_dh.encap_on) { + skb->encapsulation = 1; + skb->csum_level = 1; + droq->stats.rx_vxlan++; + } + /* inbound VLAN tag */ if ((netdev->features & NETIF_F_HW_VLAN_CTAG_RX) && (rh->r_dh.vlan != 0)) { @@ -2410,6 +2422,55 @@ void liquidio_link_ctrl_cmd_completion(void *nctrl_ptr) netdev->name); break; + /* Case to handle "OCTNET_CMD_TNL_RX_CSUM_CTL" + * Command passed by NIC driver + */ + case OCTNET_CMD_TNL_RX_CSUM_CTL: + if (nctrl->ncmd.s.param1 == OCTNET_CMD_RXCSUM_ENABLE) { + netif_info(lio, probe, lio->netdev, + "%s RX Checksum Offload Enabled\n", + netdev->name); + } else if (nctrl->ncmd.s.param1 == + OCTNET_CMD_RXCSUM_DISABLE) { + netif_info(lio, probe, lio->netdev, + "%s RX Checksum Offload Disabled\n", + netdev->name); + } + break; + + /* Case to handle "OCTNET_CMD_TNL_TX_CSUM_CTL" + * Command passed by NIC driver + */ + case OCTNET_CMD_TNL_TX_CSUM_CTL: + if (nctrl->ncmd.s.param1 == OCTNET_CMD_TXCSUM_ENABLE) { + netif_info(lio, probe, lio->netdev, + "%s TX Checksum Offload Enabled\n", + netdev->name); + } else if (nctrl->ncmd.s.param1 == + OCTNET_CMD_TXCSUM_DISABLE) { + netif_info(lio, probe, lio->netdev, + "%s TX Checksum Offload Disabled\n", + netdev->name); + } + break; + + /* Case to handle "OCTNET_CMD_VXLAN_PORT_CONFIG" + * Command passed by NIC driver + */ + case OCTNET_CMD_VXLAN_PORT_CONFIG: + if (nctrl->ncmd.s.more == OCTNET_CMD_VXLAN_PORT_ADD) { + netif_info(lio, probe, lio->netdev, + "%s VxLAN Destination UDP PORT:%d ADDED\n", + netdev->name, + nctrl->ncmd.s.param1); + } else if (nctrl->ncmd.s.more == + OCTNET_CMD_VXLAN_PORT_DEL) { + netif_info(lio, probe, lio->netdev, + "%s VxLAN Destination UDP PORT:%d DELETED\n", + netdev->name, + nctrl->ncmd.s.param1); + } + break; case OCTNET_CMD_SET_FLOW_CTL: netif_info(lio, probe, lio->netdev, "Set RX/TX flow control parameters\n"); @@ -2899,9 +2960,14 @@ static int liquidio_xmit(struct sk_buff *skb, struct net_device *netdev) cmdsetup.u64 = 0; cmdsetup.s.iq_no = iq_no; - if (skb->ip_summed == CHECKSUM_PARTIAL) - cmdsetup.s.transport_csum = 1; - + if (skb->ip_summed == CHECKSUM_PARTIAL) { + if (skb->encapsulation) { + cmdsetup.s.tnl_csum = 1; + stats->tx_vxlan++; + } else { + cmdsetup.s.transport_csum = 1; + } + } if (unlikely(skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP)) { skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS; cmdsetup.s.timestamp = 1; @@ -3124,6 +3190,72 @@ static int liquidio_vlan_rx_kill_vid(struct net_device *netdev, return ret; } +/** Sending command to enable/disable RX checksum offload + * @param netdev pointer to network device + * @param command OCTNET_CMD_TNL_RX_CSUM_CTL + * @param rx_cmd_bit OCTNET_CMD_RXCSUM_ENABLE/ + * OCTNET_CMD_RXCSUM_DISABLE + * @returns SUCCESS or FAILURE + */ +int liquidio_set_rxcsum_command(struct net_device *netdev, int command, + u8 rx_cmd) +{ + struct lio *lio = GET_LIO(netdev); + struct octeon_device *oct = lio->oct_dev; + struct octnic_ctrl_pkt nctrl; + int ret = 0; + + nctrl.ncmd.u64 = 0; + nctrl.ncmd.s.cmd = command; + nctrl.ncmd.s.param1 = rx_cmd; + nctrl.iq_no = lio->linfo.txpciq[0].s.q_no; + nctrl.wait_time = 100; + nctrl.netpndev = (u64)netdev; + nctrl.cb_fn = liquidio_link_ctrl_cmd_completion; + + ret = octnet_send_nic_ctrl_pkt(lio->oct_dev, &nctrl); + if (ret < 0) { + dev_err(&oct->pci_dev->dev, + "DEVFLAGS RXCSUM change failed in core(ret:0x%x)\n", + ret); + } + return ret; +} + +/** Sending command to add/delete VxLAN UDP port to firmware + * @param netdev pointer to network device + * @param command OCTNET_CMD_VXLAN_PORT_CONFIG + * @param vxlan_port VxLAN port to be added or deleted + * @param vxlan_cmd_bit OCTNET_CMD_VXLAN_PORT_ADD, + * OCTNET_CMD_VXLAN_PORT_DEL + * @returns SUCCESS or FAILURE + */ +static int liquidio_vxlan_port_command(struct net_device *netdev, int command, + u16 vxlan_port, u8 vxlan_cmd_bit) +{ + struct lio *lio = GET_LIO(netdev); + struct octeon_device *oct = lio->oct_dev; + struct octnic_ctrl_pkt nctrl; + int ret = 0; + + nctrl.ncmd.u64 = 0; + nctrl.ncmd.s.cmd = command; + nctrl.ncmd.s.more = vxlan_cmd_bit; + nctrl.ncmd.s.param1 = vxlan_port; + nctrl.iq_no = lio->linfo.txpciq[0].s.q_no; + nctrl.wait_time = 100; + nctrl.netpndev = (u64)netdev; + nctrl.cb_fn = liquidio_link_ctrl_cmd_completion; + + ret = octnet_send_nic_ctrl_pkt(lio->oct_dev, &nctrl); + if (ret < 0) { + dev_err(&oct->pci_dev->dev, + "VxLAN port add/delete failed in core (ret:0x%x)\n", + ret); + } + return ret; +} + int liquidio_set_feature(struct net_device *netdev, int cmd, u16 param1) { struct lio *lio = GET_LIO(netdev); @@ -3204,9 +3336,48 @@ static int liquidio_set_features(struct net_device *netdev, liquidio_set_feature(netdev, OCTNET_CMD_LRO_DISABLE, OCTNIC_LROIPV4 | OCTNIC_LROIPV6); + /* Sending command to firmware to enable/disable RX checksum + * offload settings using ethtool + */ + if (!(netdev->features & NETIF_F_RXCSUM) && + (lio->enc_dev_capability & NETIF_F_RXCSUM) && + (features & NETIF_F_RXCSUM)) + liquidio_set_rxcsum_command(netdev, + OCTNET_CMD_TNL_RX_CSUM_CTL, + OCTNET_CMD_RXCSUM_ENABLE); + else if ((netdev->features & NETIF_F_RXCSUM) && + (lio->enc_dev_capability & NETIF_F_RXCSUM) && + !(features & NETIF_F_RXCSUM)) + liquidio_set_rxcsum_command(netdev, OCTNET_CMD_TNL_RX_CSUM_CTL, + OCTNET_CMD_RXCSUM_DISABLE); + return 0; } +static void liquidio_add_vxlan_port(struct net_device *netdev, + struct udp_tunnel_info *ti) +{ + if (ti->type != UDP_TUNNEL_TYPE_VXLAN) + return; + + liquidio_vxlan_port_command(netdev, + OCTNET_CMD_VXLAN_PORT_CONFIG, + htons(ti->port), + OCTNET_CMD_VXLAN_PORT_ADD); +} + +static void liquidio_del_vxlan_port(struct net_device *netdev, + struct udp_tunnel_info *ti) +{ + if (ti->type != UDP_TUNNEL_TYPE_VXLAN) + return; + + liquidio_vxlan_port_command(netdev, + OCTNET_CMD_VXLAN_PORT_CONFIG, + htons(ti->port), + OCTNET_CMD_VXLAN_PORT_DEL); +} + static struct net_device_ops lionetdevops = { .ndo_open = liquidio_open, .ndo_stop = liquidio_stop, @@ -3222,6 +3393,8 @@ static struct net_device_ops lionetdevops = { .ndo_do_ioctl = liquidio_ioctl, .ndo_fix_features = liquidio_fix_features, .ndo_set_features = liquidio_set_features, + .ndo_udp_tunnel_add = liquidio_add_vxlan_port, + .ndo_udp_tunnel_del = liquidio_del_vxlan_port, }; /** \brief Entry point for the liquidio module @@ -3479,6 +3652,22 @@ static int setup_nic_devices(struct octeon_device *octeon_dev) | NETIF_F_LRO; netif_set_gso_max_size(netdev, OCTNIC_GSO_MAX_SIZE); + /* Copy of transmit encapsulation capabilities: + * TSO, TSO6, Checksums for this device + */ + lio->enc_dev_capability = NETIF_F_IP_CSUM + | NETIF_F_IPV6_CSUM + | NETIF_F_GSO_UDP_TUNNEL + | NETIF_F_HW_CSUM | NETIF_F_SG + | NETIF_F_RXCSUM + | NETIF_F_TSO | NETIF_F_TSO6 + | NETIF_F_LRO; + + netdev->hw_enc_features = (lio->enc_dev_capability & + ~NETIF_F_LRO); + + lio->dev_capability |= NETIF_F_GSO_UDP_TUNNEL; + netdev->vlan_features = lio->dev_capability; /* Add any unchangeable hw features */ lio->dev_capability |= NETIF_F_HW_VLAN_CTAG_FILTER | @@ -3561,6 +3750,15 @@ static int setup_nic_devices(struct octeon_device *octeon_dev) ifstate_set(lio, LIO_IFSTATE_REGISTERED); + /* Sending command to firmware to enable Rx checksum offload + * by default at the time of setup of Liquidio driver for + * this device + */ + liquidio_set_rxcsum_command(netdev, OCTNET_CMD_TNL_RX_CSUM_CTL, + OCTNET_CMD_RXCSUM_ENABLE); + liquidio_set_feature(netdev, OCTNET_CMD_TNL_TX_CSUM_CTL, + OCTNET_CMD_TXCSUM_ENABLE); + dev_dbg(&octeon_dev->pci_dev->dev, "NIC ifidx:%d Setup successful\n", i); diff --git a/drivers/net/ethernet/cavium/liquidio/liquidio_common.h b/drivers/net/ethernet/cavium/liquidio/liquidio_common.h index 5aa01f427d4a..c6e3d57e3837 100644 --- a/drivers/net/ethernet/cavium/liquidio/liquidio_common.h +++ b/drivers/net/ethernet/cavium/liquidio/liquidio_common.h @@ -216,6 +216,13 @@ static inline void add_sg_size(struct octeon_sg_entry *sg_entry, #define OCTNET_CMD_ENABLE_VLAN_FILTER 0x16 #define OCTNET_CMD_ADD_VLAN_FILTER 0x17 #define OCTNET_CMD_DEL_VLAN_FILTER 0x18 +#define OCTNET_CMD_VXLAN_PORT_CONFIG 0x19 +#define OCTNET_CMD_VXLAN_PORT_ADD 0x0 +#define OCTNET_CMD_VXLAN_PORT_DEL 0x1 +#define OCTNET_CMD_RXCSUM_ENABLE 0x0 +#define OCTNET_CMD_RXCSUM_DISABLE 0x1 +#define OCTNET_CMD_TXCSUM_ENABLE 0x0 +#define OCTNET_CMD_TXCSUM_DISABLE 0x1 /* RX(packets coming from wire) Checksum verification flags */ /* TCP/UDP csum */ @@ -533,6 +540,7 @@ union octeon_rh { u64 priority:3; u64 csum_verified:3; /** checksum verified. */ u64 has_hwtstamp:1; /** Has hardware timestamp. 1 = yes. */ + u64 encap_on:1; } r_dh; struct { u64 opcode:4; @@ -562,6 +570,7 @@ union octeon_rh { u64 opcode:4; } r; struct { + u64 encap_on:1; u64 has_hwtstamp:1; /** 1 = has hwtstamp */ u64 csum_verified:3; /** checksum verified. */ u64 priority:3; @@ -736,6 +745,8 @@ struct nic_rx_stats { u64 fw_err_pko; u64 fw_err_link; u64 fw_err_drop; + u64 fw_rx_vxlan; + u64 fw_rx_vxlan_err; /* LRO */ u64 fw_lro_pkts; /* Number of packets that are LROed */ @@ -776,6 +787,7 @@ struct nic_tx_stats { u64 fw_err_tso; u64 fw_tso; /* number of tso requests */ u64 fw_tso_fwd; /* number of packets segmented in tso */ + u64 fw_tx_vxlan; }; struct oct_link_stats { diff --git a/drivers/net/ethernet/cavium/liquidio/octeon_droq.h b/drivers/net/ethernet/cavium/liquidio/octeon_droq.h index 1ca9c4f05702..886772cde026 100644 --- a/drivers/net/ethernet/cavium/liquidio/octeon_droq.h +++ b/drivers/net/ethernet/cavium/liquidio/octeon_droq.h @@ -121,6 +121,9 @@ struct oct_droq_stats { /** Num of Packets dropped due to receive path failures. */ u64 rx_dropped; + /** Num of vxlan packets received; */ + u64 rx_vxlan; + /** Num of failures of recv_buffer_alloc() */ u64 rx_alloc_failure; diff --git a/drivers/net/ethernet/cavium/liquidio/octeon_iq.h b/drivers/net/ethernet/cavium/liquidio/octeon_iq.h index caa2b4f30717..5ac7e665a09d 100644 --- a/drivers/net/ethernet/cavium/liquidio/octeon_iq.h +++ b/drivers/net/ethernet/cavium/liquidio/octeon_iq.h @@ -66,6 +66,7 @@ struct oct_iq_stats { u64 tx_dropped;/**< Numof pkts dropped dueto xmitpath errors. */ u64 tx_tot_bytes;/**< Total count of bytes sento to network. */ u64 tx_gso; /* count of tso */ + u64 tx_vxlan; /* tunnel */ u64 tx_dmamap_fail; u64 tx_restart; /*u64 tx_timeout_count;*/ diff --git a/drivers/net/ethernet/cavium/liquidio/octeon_network.h b/drivers/net/ethernet/cavium/liquidio/octeon_network.h index b481edc56c6e..24bcbd4e3108 100644 --- a/drivers/net/ethernet/cavium/liquidio/octeon_network.h +++ b/drivers/net/ethernet/cavium/liquidio/octeon_network.h @@ -96,6 +96,12 @@ struct lio { /** Copy of Interface capabilities: TSO, TSO6, LRO, Chescksums . */ u64 dev_capability; + /* Copy of transmit encapsulation capabilities: + * TSO, TSO6, Checksums for this device for Kernel + * 3.10.0 onwards + */ + u64 enc_dev_capability; + /** Copy of beacaon reg in phy */ u32 phy_beacon_val; |
