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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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liquidio CN23XX: VF mac address
Adds support for configuring mtu, multicast and mac address. Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@caviumnetworks.com> Signed-off-by: Derek Chickles <derek.chickles@caviumnetworks.com> Signed-off-by: Satanand Burla <satananda.burla@caviumnetworks.com> Signed-off-by: Felix Manlunas <felix.manlunas@caviumnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Raghu Vatsavayi
David S. Miller
parent
3cd25e4821
commit
50f7f94b96
@ -864,6 +864,194 @@ static int liquidio_stop(struct net_device *netdev)
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return 0;
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}
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/**
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* \brief Converts a mask based on net device flags
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* @param netdev network device
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*
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* This routine generates a octnet_ifflags mask from the net device flags
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* received from the OS.
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*/
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static enum octnet_ifflags get_new_flags(struct net_device *netdev)
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{
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enum octnet_ifflags f = OCTNET_IFFLAG_UNICAST;
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if (netdev->flags & IFF_PROMISC)
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f |= OCTNET_IFFLAG_PROMISC;
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if (netdev->flags & IFF_ALLMULTI)
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f |= OCTNET_IFFLAG_ALLMULTI;
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if (netdev->flags & IFF_MULTICAST) {
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f |= OCTNET_IFFLAG_MULTICAST;
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/* Accept all multicast addresses if there are more than we
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* can handle
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*/
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if (netdev_mc_count(netdev) > MAX_OCTEON_MULTICAST_ADDR)
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f |= OCTNET_IFFLAG_ALLMULTI;
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}
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if (netdev->flags & IFF_BROADCAST)
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f |= OCTNET_IFFLAG_BROADCAST;
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return f;
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}
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static void liquidio_set_uc_list(struct net_device *netdev)
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{
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struct lio *lio = GET_LIO(netdev);
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struct octeon_device *oct = lio->oct_dev;
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struct octnic_ctrl_pkt nctrl;
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struct netdev_hw_addr *ha;
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u64 *mac;
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if (lio->netdev_uc_count == netdev_uc_count(netdev))
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return;
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if (netdev_uc_count(netdev) > MAX_NCTRL_UDD) {
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dev_err(&oct->pci_dev->dev, "too many MAC addresses in netdev uc list\n");
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return;
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}
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lio->netdev_uc_count = netdev_uc_count(netdev);
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memset(&nctrl, 0, sizeof(struct octnic_ctrl_pkt));
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nctrl.ncmd.s.cmd = OCTNET_CMD_SET_UC_LIST;
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nctrl.ncmd.s.more = lio->netdev_uc_count;
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nctrl.ncmd.s.param1 = oct->vf_num;
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nctrl.iq_no = lio->linfo.txpciq[0].s.q_no;
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nctrl.netpndev = (u64)netdev;
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nctrl.cb_fn = liquidio_link_ctrl_cmd_completion;
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/* copy all the addresses into the udd */
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mac = &nctrl.udd[0];
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netdev_for_each_uc_addr(ha, netdev) {
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ether_addr_copy(((u8 *)mac) + 2, ha->addr);
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mac++;
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}
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octnet_send_nic_ctrl_pkt(lio->oct_dev, &nctrl);
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}
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/**
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* \brief Net device set_multicast_list
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* @param netdev network device
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*/
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static void liquidio_set_mcast_list(struct net_device *netdev)
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{
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int mc_count = min(netdev_mc_count(netdev), MAX_OCTEON_MULTICAST_ADDR);
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struct lio *lio = GET_LIO(netdev);
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struct octeon_device *oct = lio->oct_dev;
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struct octnic_ctrl_pkt nctrl;
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struct netdev_hw_addr *ha;
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u64 *mc;
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int ret;
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memset(&nctrl, 0, sizeof(struct octnic_ctrl_pkt));
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/* Create a ctrl pkt command to be sent to core app. */
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nctrl.ncmd.u64 = 0;
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nctrl.ncmd.s.cmd = OCTNET_CMD_SET_MULTI_LIST;
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nctrl.ncmd.s.param1 = get_new_flags(netdev);
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nctrl.ncmd.s.param2 = mc_count;
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nctrl.ncmd.s.more = mc_count;
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nctrl.netpndev = (u64)netdev;
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nctrl.cb_fn = liquidio_link_ctrl_cmd_completion;
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/* copy all the addresses into the udd */
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mc = &nctrl.udd[0];
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netdev_for_each_mc_addr(ha, netdev) {
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*mc = 0;
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ether_addr_copy(((u8 *)mc) + 2, ha->addr);
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/* no need to swap bytes */
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if (++mc > &nctrl.udd[mc_count])
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break;
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}
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nctrl.iq_no = lio->linfo.txpciq[0].s.q_no;
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/* Apparently, any activity in this call from the kernel has to
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* be atomic. So we won't wait for response.
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*/
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nctrl.wait_time = 0;
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ret = octnet_send_nic_ctrl_pkt(lio->oct_dev, &nctrl);
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if (ret < 0) {
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dev_err(&oct->pci_dev->dev, "DEVFLAGS change failed in core (ret: 0x%x)\n",
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ret);
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}
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liquidio_set_uc_list(netdev);
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}
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/**
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* \brief Net device set_mac_address
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* @param netdev network device
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*/
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static int liquidio_set_mac(struct net_device *netdev, void *p)
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{
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struct sockaddr *addr = (struct sockaddr *)p;
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struct lio *lio = GET_LIO(netdev);
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struct octeon_device *oct = lio->oct_dev;
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struct octnic_ctrl_pkt nctrl;
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int ret = 0;
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if (!is_valid_ether_addr(addr->sa_data))
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return -EADDRNOTAVAIL;
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if (ether_addr_equal(addr->sa_data, netdev->dev_addr))
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return 0;
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if (lio->linfo.macaddr_is_admin_asgnd)
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return -EPERM;
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memset(&nctrl, 0, sizeof(struct octnic_ctrl_pkt));
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nctrl.ncmd.u64 = 0;
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nctrl.ncmd.s.cmd = OCTNET_CMD_CHANGE_MACADDR;
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nctrl.ncmd.s.param1 = 0;
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nctrl.ncmd.s.more = 1;
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nctrl.iq_no = lio->linfo.txpciq[0].s.q_no;
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nctrl.netpndev = (u64)netdev;
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nctrl.cb_fn = liquidio_link_ctrl_cmd_completion;
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nctrl.wait_time = 100;
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nctrl.udd[0] = 0;
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/* The MAC Address is presented in network byte order. */
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ether_addr_copy((u8 *)&nctrl.udd[0] + 2, addr->sa_data);
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ret = octnet_send_nic_ctrl_pkt(lio->oct_dev, &nctrl);
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if (ret < 0) {
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dev_err(&oct->pci_dev->dev, "MAC Address change failed\n");
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return -ENOMEM;
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}
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memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
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ether_addr_copy(((u8 *)&lio->linfo.hw_addr) + 2, addr->sa_data);
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return 0;
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}
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/**
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* \brief Net device change_mtu
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* @param netdev network device
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*/
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static int liquidio_change_mtu(struct net_device *netdev, int new_mtu)
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{
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struct lio *lio = GET_LIO(netdev);
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struct octeon_device *oct = lio->oct_dev;
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lio->mtu = new_mtu;
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netif_info(lio, probe, lio->netdev, "MTU Changed from %d to %d\n",
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netdev->mtu, new_mtu);
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dev_info(&oct->pci_dev->dev, "%s MTU Changed from %d to %d\n",
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netdev->name, netdev->mtu, new_mtu);
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netdev->mtu = new_mtu;
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return 0;
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}
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/** Sending command to enable/disable RX checksum offload
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* @param netdev pointer to network device
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* @param command OCTNET_CMD_TNL_RX_CSUM_CTL
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@ -966,6 +1154,9 @@ static int liquidio_set_features(struct net_device *netdev,
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static const struct net_device_ops lionetdevops = {
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.ndo_open = liquidio_open,
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.ndo_stop = liquidio_stop,
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.ndo_set_mac_address = liquidio_set_mac,
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.ndo_set_rx_mode = liquidio_set_mcast_list,
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.ndo_change_mtu = liquidio_change_mtu,
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.ndo_fix_features = liquidio_fix_features,
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.ndo_set_features = liquidio_set_features,
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.ndo_select_queue = select_q,
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@ -1165,6 +1356,10 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
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netdev->hw_features = lio->dev_capability;
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/* MTU range: 68 - 16000 */
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netdev->min_mtu = LIO_MIN_MTU_SIZE;
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netdev->max_mtu = LIO_MAX_MTU_SIZE;
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/* Point to the properties for octeon device to which this
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* interface belongs.
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*/
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@ -212,6 +212,7 @@ static inline void add_sg_size(struct octeon_sg_entry *sg_entry,
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#define OCTNET_CMD_ID_ACTIVE 0x1a
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#define OCTNET_CMD_SET_UC_LIST 0x1b
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#define OCTNET_CMD_SET_VF_LINKSTATE 0x1c
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#define OCTNET_CMD_VXLAN_PORT_ADD 0x0
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#define OCTNET_CMD_VXLAN_PORT_DEL 0x1
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@ -123,6 +123,7 @@ struct lio {
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/* work queue for link status */
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struct cavium_wq link_status_wq;
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int netdev_uc_count;
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};
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#define LIO_SIZE (sizeof(struct lio))
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