diff options
Diffstat (limited to 'drivers/net/ethernet/cavium')
| -rw-r--r-- | drivers/net/ethernet/cavium/liquidio/lio_vf_main.c | 195 | ||||
| -rw-r--r-- | drivers/net/ethernet/cavium/liquidio/liquidio_common.h | 1 | ||||
| -rw-r--r-- | drivers/net/ethernet/cavium/liquidio/octeon_network.h | 1 |
3 files changed, 197 insertions, 0 deletions
diff --git a/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c b/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c index 07e4864d7ab6..6f239448cd1a 100644 --- a/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c +++ b/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c @@ -864,6 +864,194 @@ static int liquidio_stop(struct net_device *netdev) return 0; } +/** + * \brief Converts a mask based on net device flags + * @param netdev network device + * + * This routine generates a octnet_ifflags mask from the net device flags + * received from the OS. + */ +static enum octnet_ifflags get_new_flags(struct net_device *netdev) +{ + enum octnet_ifflags f = OCTNET_IFFLAG_UNICAST; + + if (netdev->flags & IFF_PROMISC) + f |= OCTNET_IFFLAG_PROMISC; + + if (netdev->flags & IFF_ALLMULTI) + f |= OCTNET_IFFLAG_ALLMULTI; + + if (netdev->flags & IFF_MULTICAST) { + f |= OCTNET_IFFLAG_MULTICAST; + + /* Accept all multicast addresses if there are more than we + * can handle + */ + if (netdev_mc_count(netdev) > MAX_OCTEON_MULTICAST_ADDR) + f |= OCTNET_IFFLAG_ALLMULTI; + } + + if (netdev->flags & IFF_BROADCAST) + f |= OCTNET_IFFLAG_BROADCAST; + + return f; +} + +static void liquidio_set_uc_list(struct net_device *netdev) +{ + struct lio *lio = GET_LIO(netdev); + struct octeon_device *oct = lio->oct_dev; + struct octnic_ctrl_pkt nctrl; + struct netdev_hw_addr *ha; + u64 *mac; + + if (lio->netdev_uc_count == netdev_uc_count(netdev)) + return; + + if (netdev_uc_count(netdev) > MAX_NCTRL_UDD) { + dev_err(&oct->pci_dev->dev, "too many MAC addresses in netdev uc list\n"); + return; + } + + lio->netdev_uc_count = netdev_uc_count(netdev); + + memset(&nctrl, 0, sizeof(struct octnic_ctrl_pkt)); + nctrl.ncmd.s.cmd = OCTNET_CMD_SET_UC_LIST; + nctrl.ncmd.s.more = lio->netdev_uc_count; + nctrl.ncmd.s.param1 = oct->vf_num; + nctrl.iq_no = lio->linfo.txpciq[0].s.q_no; + nctrl.netpndev = (u64)netdev; + nctrl.cb_fn = liquidio_link_ctrl_cmd_completion; + + /* copy all the addresses into the udd */ + mac = &nctrl.udd[0]; + netdev_for_each_uc_addr(ha, netdev) { + ether_addr_copy(((u8 *)mac) + 2, ha->addr); + mac++; + } + + octnet_send_nic_ctrl_pkt(lio->oct_dev, &nctrl); +} + +/** + * \brief Net device set_multicast_list + * @param netdev network device + */ +static void liquidio_set_mcast_list(struct net_device *netdev) +{ + int mc_count = min(netdev_mc_count(netdev), MAX_OCTEON_MULTICAST_ADDR); + struct lio *lio = GET_LIO(netdev); + struct octeon_device *oct = lio->oct_dev; + struct octnic_ctrl_pkt nctrl; + struct netdev_hw_addr *ha; + u64 *mc; + int ret; + + memset(&nctrl, 0, sizeof(struct octnic_ctrl_pkt)); + + /* Create a ctrl pkt command to be sent to core app. */ + nctrl.ncmd.u64 = 0; + nctrl.ncmd.s.cmd = OCTNET_CMD_SET_MULTI_LIST; + nctrl.ncmd.s.param1 = get_new_flags(netdev); + nctrl.ncmd.s.param2 = mc_count; + nctrl.ncmd.s.more = mc_count; + nctrl.netpndev = (u64)netdev; + nctrl.cb_fn = liquidio_link_ctrl_cmd_completion; + + /* copy all the addresses into the udd */ + mc = &nctrl.udd[0]; + netdev_for_each_mc_addr(ha, netdev) { + *mc = 0; + ether_addr_copy(((u8 *)mc) + 2, ha->addr); + /* no need to swap bytes */ + if (++mc > &nctrl.udd[mc_count]) + break; + } + + nctrl.iq_no = lio->linfo.txpciq[0].s.q_no; + + /* Apparently, any activity in this call from the kernel has to + * be atomic. So we won't wait for response. + */ + nctrl.wait_time = 0; + + ret = octnet_send_nic_ctrl_pkt(lio->oct_dev, &nctrl); + if (ret < 0) { + dev_err(&oct->pci_dev->dev, "DEVFLAGS change failed in core (ret: 0x%x)\n", + ret); + } + + liquidio_set_uc_list(netdev); +} + +/** + * \brief Net device set_mac_address + * @param netdev network device + */ +static int liquidio_set_mac(struct net_device *netdev, void *p) +{ + struct sockaddr *addr = (struct sockaddr *)p; + struct lio *lio = GET_LIO(netdev); + struct octeon_device *oct = lio->oct_dev; + struct octnic_ctrl_pkt nctrl; + int ret = 0; + + if (!is_valid_ether_addr(addr->sa_data)) + return -EADDRNOTAVAIL; + + if (ether_addr_equal(addr->sa_data, netdev->dev_addr)) + return 0; + + if (lio->linfo.macaddr_is_admin_asgnd) + return -EPERM; + + memset(&nctrl, 0, sizeof(struct octnic_ctrl_pkt)); + + nctrl.ncmd.u64 = 0; + nctrl.ncmd.s.cmd = OCTNET_CMD_CHANGE_MACADDR; + nctrl.ncmd.s.param1 = 0; + nctrl.ncmd.s.more = 1; + nctrl.iq_no = lio->linfo.txpciq[0].s.q_no; + nctrl.netpndev = (u64)netdev; + nctrl.cb_fn = liquidio_link_ctrl_cmd_completion; + nctrl.wait_time = 100; + + nctrl.udd[0] = 0; + /* The MAC Address is presented in network byte order. */ + ether_addr_copy((u8 *)&nctrl.udd[0] + 2, addr->sa_data); + + ret = octnet_send_nic_ctrl_pkt(lio->oct_dev, &nctrl); + if (ret < 0) { + dev_err(&oct->pci_dev->dev, "MAC Address change failed\n"); + return -ENOMEM; + } + memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); + ether_addr_copy(((u8 *)&lio->linfo.hw_addr) + 2, addr->sa_data); + + return 0; +} + +/** + * \brief Net device change_mtu + * @param netdev network device + */ +static int liquidio_change_mtu(struct net_device *netdev, int new_mtu) +{ + struct lio *lio = GET_LIO(netdev); + struct octeon_device *oct = lio->oct_dev; + + lio->mtu = new_mtu; + + netif_info(lio, probe, lio->netdev, "MTU Changed from %d to %d\n", + netdev->mtu, new_mtu); + dev_info(&oct->pci_dev->dev, "%s MTU Changed from %d to %d\n", + netdev->name, netdev->mtu, new_mtu); + + netdev->mtu = new_mtu; + + return 0; +} + /** Sending command to enable/disable RX checksum offload * @param netdev pointer to network device * @param command OCTNET_CMD_TNL_RX_CSUM_CTL @@ -966,6 +1154,9 @@ static int liquidio_set_features(struct net_device *netdev, static const struct net_device_ops lionetdevops = { .ndo_open = liquidio_open, .ndo_stop = liquidio_stop, + .ndo_set_mac_address = liquidio_set_mac, + .ndo_set_rx_mode = liquidio_set_mcast_list, + .ndo_change_mtu = liquidio_change_mtu, .ndo_fix_features = liquidio_fix_features, .ndo_set_features = liquidio_set_features, .ndo_select_queue = select_q, @@ -1165,6 +1356,10 @@ static int setup_nic_devices(struct octeon_device *octeon_dev) netdev->hw_features = lio->dev_capability; + /* MTU range: 68 - 16000 */ + netdev->min_mtu = LIO_MIN_MTU_SIZE; + netdev->max_mtu = LIO_MAX_MTU_SIZE; + /* Point to the properties for octeon device to which this * interface belongs. */ diff --git a/drivers/net/ethernet/cavium/liquidio/liquidio_common.h b/drivers/net/ethernet/cavium/liquidio/liquidio_common.h index f308ee49a754..ba329f6ca779 100644 --- a/drivers/net/ethernet/cavium/liquidio/liquidio_common.h +++ b/drivers/net/ethernet/cavium/liquidio/liquidio_common.h @@ -212,6 +212,7 @@ static inline void add_sg_size(struct octeon_sg_entry *sg_entry, #define OCTNET_CMD_ID_ACTIVE 0x1a +#define OCTNET_CMD_SET_UC_LIST 0x1b #define OCTNET_CMD_SET_VF_LINKSTATE 0x1c #define OCTNET_CMD_VXLAN_PORT_ADD 0x0 #define OCTNET_CMD_VXLAN_PORT_DEL 0x1 diff --git a/drivers/net/ethernet/cavium/liquidio/octeon_network.h b/drivers/net/ethernet/cavium/liquidio/octeon_network.h index e94edc841cad..6bb89419006e 100644 --- a/drivers/net/ethernet/cavium/liquidio/octeon_network.h +++ b/drivers/net/ethernet/cavium/liquidio/octeon_network.h @@ -123,6 +123,7 @@ struct lio { /* work queue for link status */ struct cavium_wq link_status_wq; + int netdev_uc_count; }; #define LIO_SIZE (sizeof(struct lio)) |