diff options
Diffstat (limited to 'drivers/net/enic/enic_main.c')
-rw-r--r-- | drivers/net/enic/enic_main.c | 330 |
1 files changed, 318 insertions, 12 deletions
diff --git a/drivers/net/enic/enic_main.c b/drivers/net/enic/enic_main.c index 1232887..e125113 100644 --- a/drivers/net/enic/enic_main.c +++ b/drivers/net/enic/enic_main.c @@ -29,6 +29,7 @@ #include <linux/etherdevice.h> #include <linux/if_ether.h> #include <linux/if_vlan.h> +#include <linux/if_link.h> #include <linux/ethtool.h> #include <linux/in.h> #include <linux/ip.h> @@ -40,6 +41,7 @@ #include "vnic_dev.h" #include "vnic_intr.h" #include "vnic_stats.h" +#include "vnic_vic.h" #include "enic_res.h" #include "enic.h" @@ -49,10 +51,12 @@ #define ENIC_DESC_MAX_SPLITS (MAX_TSO / WQ_ENET_MAX_DESC_LEN + 1) #define PCI_DEVICE_ID_CISCO_VIC_ENET 0x0043 /* ethernet vnic */ +#define PCI_DEVICE_ID_CISCO_VIC_ENET_DYN 0x0044 /* enet dynamic vnic */ /* Supported devices */ static DEFINE_PCI_DEVICE_TABLE(enic_id_table) = { { PCI_VDEVICE(CISCO, PCI_DEVICE_ID_CISCO_VIC_ENET) }, + { PCI_VDEVICE(CISCO, PCI_DEVICE_ID_CISCO_VIC_ENET_DYN) }, { 0, } /* end of table */ }; @@ -113,6 +117,11 @@ static const struct enic_stat enic_rx_stats[] = { static const unsigned int enic_n_tx_stats = ARRAY_SIZE(enic_tx_stats); static const unsigned int enic_n_rx_stats = ARRAY_SIZE(enic_rx_stats); +static int enic_is_dynamic(struct enic *enic) +{ + return enic->pdev->device == PCI_DEVICE_ID_CISCO_VIC_ENET_DYN; +} + static int enic_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd) { @@ -810,14 +819,78 @@ static void enic_reset_mcaddrs(struct enic *enic) static int enic_set_mac_addr(struct net_device *netdev, char *addr) { - if (!is_valid_ether_addr(addr)) - return -EADDRNOTAVAIL; + struct enic *enic = netdev_priv(netdev); + + if (enic_is_dynamic(enic)) { + if (!is_valid_ether_addr(addr) && !is_zero_ether_addr(addr)) + return -EADDRNOTAVAIL; + } else { + if (!is_valid_ether_addr(addr)) + return -EADDRNOTAVAIL; + } memcpy(netdev->dev_addr, addr, netdev->addr_len); return 0; } +static int enic_dev_add_station_addr(struct enic *enic) +{ + int err = 0; + + if (is_valid_ether_addr(enic->netdev->dev_addr)) { + spin_lock(&enic->devcmd_lock); + err = vnic_dev_add_addr(enic->vdev, enic->netdev->dev_addr); + spin_unlock(&enic->devcmd_lock); + } + + return err; +} + +static int enic_dev_del_station_addr(struct enic *enic) +{ + int err = 0; + + if (is_valid_ether_addr(enic->netdev->dev_addr)) { + spin_lock(&enic->devcmd_lock); + err = vnic_dev_del_addr(enic->vdev, enic->netdev->dev_addr); + spin_unlock(&enic->devcmd_lock); + } + + return err; +} + +static int enic_set_mac_address_dynamic(struct net_device *netdev, void *p) +{ + struct enic *enic = netdev_priv(netdev); + struct sockaddr *saddr = p; + char *addr = saddr->sa_data; + int err; + + if (netif_running(enic->netdev)) { + err = enic_dev_del_station_addr(enic); + if (err) + return err; + } + + err = enic_set_mac_addr(netdev, addr); + if (err) + return err; + + if (netif_running(enic->netdev)) { + err = enic_dev_add_station_addr(enic); + if (err) + return err; + } + + return err; +} + +static int enic_set_mac_address(struct net_device *netdev, void *p) +{ + return -EOPNOTSUPP; +} + /* netif_tx_lock held, BHs disabled */ static void enic_set_multicast_list(struct net_device *netdev) { @@ -922,6 +995,213 @@ static void enic_tx_timeout(struct net_device *netdev) schedule_work(&enic->reset); } +static int enic_vnic_dev_deinit(struct enic *enic) +{ + int err; + + spin_lock(&enic->devcmd_lock); + err = vnic_dev_deinit(enic->vdev); + spin_unlock(&enic->devcmd_lock); + + return err; +} + +static int enic_dev_init_prov(struct enic *enic, struct vic_provinfo *vp) +{ + int err; + + spin_lock(&enic->devcmd_lock); + err = vnic_dev_init_prov(enic->vdev, + (u8 *)vp, vic_provinfo_size(vp)); + spin_unlock(&enic->devcmd_lock); + + return err; +} + +static int enic_dev_init_done(struct enic *enic, int *done, int *error) +{ + int err; + + spin_lock(&enic->devcmd_lock); + err = vnic_dev_init_done(enic->vdev, done, error); + spin_unlock(&enic->devcmd_lock); + + return err; +} + +static int enic_set_port_profile(struct enic *enic, u8 request, u8 *mac, + char *name, u8 *instance_uuid, u8 *host_uuid) +{ + struct vic_provinfo *vp; + u8 oui[3] = VIC_PROVINFO_CISCO_OUI; + unsigned short *uuid; + char uuid_str[38]; + static char *uuid_fmt = "%04X%04X-%04X-%04X-%04X-%04X%04X%04X"; + int err; + + if (!name) + return -EINVAL; + + if (!is_valid_ether_addr(mac)) + return -EADDRNOTAVAIL; + + vp = vic_provinfo_alloc(GFP_KERNEL, oui, VIC_PROVINFO_LINUX_TYPE); + if (!vp) + return -ENOMEM; + + vic_provinfo_add_tlv(vp, + VIC_LINUX_PROV_TLV_PORT_PROFILE_NAME_STR, + strlen(name) + 1, name); + + vic_provinfo_add_tlv(vp, + VIC_LINUX_PROV_TLV_CLIENT_MAC_ADDR, + ETH_ALEN, mac); + + if (instance_uuid) { + uuid = (unsigned short *)instance_uuid; + sprintf(uuid_str, uuid_fmt, + uuid[0], uuid[1], uuid[2], uuid[3], + uuid[4], uuid[5], uuid[6], uuid[7]); + vic_provinfo_add_tlv(vp, + VIC_LINUX_PROV_TLV_CLIENT_UUID_STR, + sizeof(uuid_str), uuid_str); + } + + if (host_uuid) { + uuid = (unsigned short *)host_uuid; + sprintf(uuid_str, uuid_fmt, + uuid[0], uuid[1], uuid[2], uuid[3], + uuid[4], uuid[5], uuid[6], uuid[7]); + vic_provinfo_add_tlv(vp, + VIC_LINUX_PROV_TLV_HOST_UUID_STR, + sizeof(uuid_str), uuid_str); + } + + err = enic_vnic_dev_deinit(enic); + if (err) + goto err_out; + + memset(&enic->pp, 0, sizeof(enic->pp)); + + err = enic_dev_init_prov(enic, vp); + if (err) + goto err_out; + + enic->pp.request = request; + memcpy(enic->pp.name, name, PORT_PROFILE_MAX); + if (instance_uuid) + memcpy(enic->pp.instance_uuid, + instance_uuid, PORT_UUID_MAX); + if (host_uuid) + memcpy(enic->pp.host_uuid, + host_uuid, PORT_UUID_MAX); + +err_out: + vic_provinfo_free(vp); + + return err; +} + +static int enic_unset_port_profile(struct enic *enic) +{ + memset(&enic->pp, 0, sizeof(enic->pp)); + return enic_vnic_dev_deinit(enic); +} + +static int enic_set_vf_port(struct net_device *netdev, int vf, + struct nlattr *port[]) +{ + struct enic *enic = netdev_priv(netdev); + char *name = NULL; + u8 *instance_uuid = NULL; + u8 *host_uuid = NULL; + u8 request = PORT_REQUEST_DISASSOCIATE; + + /* don't support VFs, yet */ + if (vf != PORT_SELF_VF) + return -EOPNOTSUPP; + + if (port[IFLA_PORT_REQUEST]) + request = nla_get_u8(port[IFLA_PORT_REQUEST]); + + switch (request) { + case PORT_REQUEST_ASSOCIATE: + + if (port[IFLA_PORT_PROFILE]) + name = nla_data(port[IFLA_PORT_PROFILE]); + + if (port[IFLA_PORT_INSTANCE_UUID]) + instance_uuid = + nla_data(port[IFLA_PORT_INSTANCE_UUID]); + + if (port[IFLA_PORT_HOST_UUID]) + host_uuid = nla_data(port[IFLA_PORT_HOST_UUID]); + + return enic_set_port_profile(enic, request, + netdev->dev_addr, name, + instance_uuid, host_uuid); + + case PORT_REQUEST_DISASSOCIATE: + + return enic_unset_port_profile(enic); + + default: + break; + } + + return -EOPNOTSUPP; +} + +static int enic_get_vf_port(struct net_device *netdev, int vf, + struct sk_buff *skb) +{ + struct enic *enic = netdev_priv(netdev); + int err, error, done; + u16 response = PORT_PROFILE_RESPONSE_SUCCESS; + + /* don't support VFs, yet */ + if (vf != PORT_SELF_VF) + return -EOPNOTSUPP; + + err = enic_dev_init_done(enic, &done, &error); + + if (err) + return err; + + switch (error) { + case ERR_SUCCESS: + if (!done) + response = PORT_PROFILE_RESPONSE_INPROGRESS; + break; + case ERR_EINVAL: + response = PORT_PROFILE_RESPONSE_INVALID; + break; + case ERR_EBADSTATE: + response = PORT_PROFILE_RESPONSE_BADSTATE; + break; + case ERR_ENOMEM: + response = PORT_PROFILE_RESPONSE_INSUFFICIENT_RESOURCES; + break; + default: + response = PORT_PROFILE_RESPONSE_ERROR; + break; + } + + NLA_PUT_U16(skb, IFLA_PORT_REQUEST, enic->pp.request); + NLA_PUT_U16(skb, IFLA_PORT_RESPONSE, response); + NLA_PUT(skb, IFLA_PORT_PROFILE, PORT_PROFILE_MAX, + enic->pp.name); + NLA_PUT(skb, IFLA_PORT_INSTANCE_UUID, PORT_UUID_MAX, + enic->pp.instance_uuid); + NLA_PUT(skb, IFLA_PORT_HOST_UUID, PORT_UUID_MAX, + enic->pp.host_uuid); + + return 0; + +nla_put_failure: + return -EMSGSIZE; +} + static void enic_free_rq_buf(struct vnic_rq *rq, struct vnic_rq_buf *buf) { struct enic *enic = vnic_dev_priv(rq->vdev); @@ -1440,9 +1720,7 @@ static int enic_open(struct net_device *netdev) for (i = 0; i < enic->rq_count; i++) vnic_rq_enable(&enic->rq[i]); - spin_lock(&enic->devcmd_lock); - enic_add_station_addr(enic); - spin_unlock(&enic->devcmd_lock); + enic_dev_add_station_addr(enic); enic_set_multicast_list(netdev); netif_wake_queue(netdev); @@ -1489,6 +1767,8 @@ static int enic_stop(struct net_device *netdev) netif_carrier_off(netdev); netif_tx_disable(netdev); + enic_dev_del_station_addr(enic); + for (i = 0; i < enic->wq_count; i++) { err = vnic_wq_disable(&enic->wq[i]); if (err) @@ -1774,14 +2054,34 @@ static void enic_clear_intr_mode(struct enic *enic) vnic_dev_set_intr_mode(enic->vdev, VNIC_DEV_INTR_MODE_UNKNOWN); } +static const struct net_device_ops enic_netdev_dynamic_ops = { + .ndo_open = enic_open, + .ndo_stop = enic_stop, + .ndo_start_xmit = enic_hard_start_xmit, + .ndo_get_stats = enic_get_stats, + .ndo_validate_addr = eth_validate_addr, + .ndo_set_multicast_list = enic_set_multicast_list, + .ndo_set_mac_address = enic_set_mac_address_dynamic, + .ndo_change_mtu = enic_change_mtu, + .ndo_vlan_rx_register = enic_vlan_rx_register, + .ndo_vlan_rx_add_vid = enic_vlan_rx_add_vid, + .ndo_vlan_rx_kill_vid = enic_vlan_rx_kill_vid, + .ndo_tx_timeout = enic_tx_timeout, + .ndo_set_vf_port = enic_set_vf_port, + .ndo_get_vf_port = enic_get_vf_port, +#ifdef CONFIG_NET_POLL_CONTROLLER + .ndo_poll_controller = enic_poll_controller, +#endif +}; + static const struct net_device_ops enic_netdev_ops = { .ndo_open = enic_open, .ndo_stop = enic_stop, .ndo_start_xmit = enic_hard_start_xmit, .ndo_get_stats = enic_get_stats, .ndo_validate_addr = eth_validate_addr, - .ndo_set_mac_address = eth_mac_addr, .ndo_set_multicast_list = enic_set_multicast_list, + .ndo_set_mac_address = enic_set_mac_address, .ndo_change_mtu = enic_change_mtu, .ndo_vlan_rx_register = enic_vlan_rx_register, .ndo_vlan_rx_add_vid = enic_vlan_rx_add_vid, @@ -2010,11 +2310,13 @@ static int __devinit enic_probe(struct pci_dev *pdev, netif_carrier_off(netdev); - err = vnic_dev_init(enic->vdev, 0); - if (err) { - printk(KERN_ERR PFX - "vNIC dev init failed, aborting.\n"); - goto err_out_dev_close; + if (!enic_is_dynamic(enic)) { + err = vnic_dev_init(enic->vdev, 0); + if (err) { + printk(KERN_ERR PFX + "vNIC dev init failed, aborting.\n"); + goto err_out_dev_close; + } } err = enic_dev_init(enic); @@ -2054,7 +2356,11 @@ static int __devinit enic_probe(struct pci_dev *pdev, enic->tx_coalesce_usecs = enic->config.intr_timer_usec; enic->rx_coalesce_usecs = enic->tx_coalesce_usecs; - netdev->netdev_ops = &enic_netdev_ops; + if (enic_is_dynamic(enic)) + netdev->netdev_ops = &enic_netdev_dynamic_ops; + else + netdev->netdev_ops = &enic_netdev_ops; + netdev->watchdog_timeo = 2 * HZ; netdev->ethtool_ops = &enic_ethtool_ops; |