@@ -89,7 +89,7 @@ static struct ib_ah *create_iboe_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr
if (vlan_tag < 0x1000)
vlan_tag |= (ah_attr->sl & 7) << 13;
ah->av.eth.port_pd = cpu_to_be32(to_mpd(pd)->pdn | (ah_attr->port_num << 24));
- ah->av.eth.gid_index = ah_attr->grh.sgid_index;
+ ah->av.eth.gid_index = mlx4_ib_gid_index_to_real_index(ibdev, ah_attr->port_num, ah_attr->grh.sgid_index);
ah->av.eth.vlan = cpu_to_be16(vlan_tag);
if (ah_attr->static_rate) {
ah->av.eth.stat_rate = ah_attr->static_rate + MLX4_STAT_RATE_OFFSET;
@@ -77,13 +77,6 @@ static const char mlx4_ib_version[] =
DRV_NAME ": Mellanox ConnectX InfiniBand driver v"
DRV_VERSION " (" DRV_RELDATE ")\n";
-struct update_gid_work {
- struct work_struct work;
- union ib_gid gids[128];
- struct mlx4_ib_dev *dev;
- int port;
-};
-
static void do_slave_init(struct mlx4_ib_dev *ibdev, int slave, int do_init);
static struct workqueue_struct *wq;
@@ -560,7 +553,8 @@ static int eth_link_query_port(struct ib_device *ibdev, u8 port,
props->active_width = (((u8 *)mailbox->buf)[5] == 0x40) ?
IB_WIDTH_4X : IB_WIDTH_1X;
props->active_speed = IB_SPEED_QDR;
- props->port_cap_flags = IB_PORT_CM_SUP | IB_PORT_IP_BASED_GIDS;
+ props->port_cap_flags = IB_PORT_CM_SUP | IB_PORT_IP_BASED_GIDS |
+ IB_PORT_ROCE;
props->gid_tbl_len = mdev->dev->caps.gid_table_len[port];
props->max_msg_sz = mdev->dev->caps.max_msg_sz;
props->pkey_tbl_len = 1;
@@ -569,12 +563,13 @@ static int eth_link_query_port(struct ib_device *ibdev, u8 port,
props->state = IB_PORT_DOWN;
props->phys_state = state_to_phys_state(props->state);
props->active_mtu = IB_MTU_256;
- if (is_bonded)
- rtnl_lock(); /* required to get upper dev */
spin_lock_bh(&iboe->lock);
ndev = iboe->netdevs[port - 1];
- if (ndev && is_bonded)
- ndev = netdev_master_upper_dev_get(ndev);
+ if (ndev && is_bonded) {
+ rcu_read_lock(); /* required to get upper dev */
+ ndev = netdev_master_upper_dev_get_rcu(ndev);
+ rcu_read_unlock();
+ }
if (!ndev)
goto out_unlock;
@@ -586,8 +581,6 @@ static int eth_link_query_port(struct ib_device *ibdev, u8 port,
props->phys_state = state_to_phys_state(props->state);
out_unlock:
spin_unlock_bh(&iboe->lock);
- if (is_bonded)
- rtnl_unlock();
out:
mlx4_free_cmd_mailbox(mdev->dev, mailbox);
return err;
@@ -670,17 +663,19 @@ out:
return err;
}
-static int iboe_query_gid(struct ib_device *ibdev, u8 port, int index,
- union ib_gid *gid)
+static int mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
+ union ib_gid *gid)
{
int ret;
- if (!rdma_cap_roce_gid_table(ibdev, port)) {
- struct mlx4_ib_dev *dev = to_mdev(ibdev);
+ if (rdma_protocol_ib(ibdev, port))
+ return __mlx4_ib_query_gid(ibdev, port, index, gid, 0);
- *gid = dev->iboe.gid_table[port - 1][index];
- return 0;
- }
+ if (!rdma_protocol_roce(ibdev, port))
+ return -ENODEV;
+
+ if (!rdma_cap_roce_gid_table(ibdev, port))
+ return -ENODEV;
ret = ib_get_cached_gid(ibdev, port, index, gid);
if (ret == -EAGAIN) {
@@ -691,15 +686,6 @@ static int iboe_query_gid(struct ib_device *ibdev, u8 port, int index,
return ret;
}
-static int mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
- union ib_gid *gid)
-{
- if (rdma_port_get_link_layer(ibdev, port) == IB_LINK_LAYER_INFINIBAND)
- return __mlx4_ib_query_gid(ibdev, port, index, gid, 0);
- else
- return iboe_query_gid(ibdev, port, index, gid);
-}
-
int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
u16 *pkey, int netw_view)
{
@@ -1695,272 +1681,6 @@ static struct device_attribute *mlx4_class_attributes[] = {
&dev_attr_board_id
};
-static void mlx4_addrconf_ifid_eui48(u8 *eui, u16 vlan_id,
- struct net_device *dev)
-{
- memcpy(eui, dev->dev_addr, 3);
- memcpy(eui + 5, dev->dev_addr + 3, 3);
- if (vlan_id < 0x1000) {
- eui[3] = vlan_id >> 8;
- eui[4] = vlan_id & 0xff;
- } else {
- eui[3] = 0xff;
- eui[4] = 0xfe;
- }
- eui[0] ^= 2;
-}
-
-static void update_gids_task(struct work_struct *work)
-{
- struct update_gid_work *gw = container_of(work, struct update_gid_work, work);
- struct mlx4_cmd_mailbox *mailbox;
- union ib_gid *gids;
- int err;
- struct mlx4_dev *dev = gw->dev->dev;
- int is_bonded = mlx4_is_bonded(dev);
-
- if (!gw->dev->ib_active)
- return;
-
- mailbox = mlx4_alloc_cmd_mailbox(dev);
- if (IS_ERR(mailbox)) {
- pr_warn("update gid table failed %ld\n", PTR_ERR(mailbox));
- return;
- }
-
- gids = mailbox->buf;
- memcpy(gids, gw->gids, sizeof gw->gids);
-
- err = mlx4_cmd(dev, mailbox->dma, MLX4_SET_PORT_GID_TABLE << 8 | gw->port,
- MLX4_SET_PORT_ETH_OPCODE, MLX4_CMD_SET_PORT,
- MLX4_CMD_TIME_CLASS_B, MLX4_CMD_WRAPPED);
- if (err)
- pr_warn("set port command failed\n");
- else
- if ((gw->port == 1) || !is_bonded)
- mlx4_ib_dispatch_event(gw->dev,
- is_bonded ? 1 : gw->port,
- IB_EVENT_GID_CHANGE);
-
- mlx4_free_cmd_mailbox(dev, mailbox);
- kfree(gw);
-}
-
-static void reset_gids_task(struct work_struct *work)
-{
- struct update_gid_work *gw =
- container_of(work, struct update_gid_work, work);
- struct mlx4_cmd_mailbox *mailbox;
- union ib_gid *gids;
- int err;
- struct mlx4_dev *dev = gw->dev->dev;
-
- if (!gw->dev->ib_active)
- return;
-
- mailbox = mlx4_alloc_cmd_mailbox(dev);
- if (IS_ERR(mailbox)) {
- pr_warn("reset gid table failed\n");
- goto free;
- }
-
- gids = mailbox->buf;
- memcpy(gids, gw->gids, sizeof(gw->gids));
-
- if (mlx4_ib_port_link_layer(&gw->dev->ib_dev, gw->port) ==
- IB_LINK_LAYER_ETHERNET) {
- err = mlx4_cmd(dev, mailbox->dma,
- MLX4_SET_PORT_GID_TABLE << 8 | gw->port,
- MLX4_SET_PORT_ETH_OPCODE, MLX4_CMD_SET_PORT,
- MLX4_CMD_TIME_CLASS_B,
- MLX4_CMD_WRAPPED);
- if (err)
- pr_warn("set port %d command failed\n", gw->port);
- }
-
- mlx4_free_cmd_mailbox(dev, mailbox);
-free:
- kfree(gw);
-}
-
-static int update_gid_table(struct mlx4_ib_dev *dev, int port,
- union ib_gid *gid, int clear,
- int default_gid)
-{
- struct update_gid_work *work;
- int i;
- int need_update = 0;
- int free = -1;
- int found = -1;
- int max_gids;
-
- if (default_gid) {
- free = 0;
- } else {
- max_gids = dev->dev->caps.gid_table_len[port];
- for (i = 1; i < max_gids; ++i) {
- if (!memcmp(&dev->iboe.gid_table[port - 1][i], gid,
- sizeof(*gid)))
- found = i;
-
- if (clear) {
- if (found >= 0) {
- need_update = 1;
- dev->iboe.gid_table[port - 1][found] =
- zgid;
- break;
- }
- } else {
- if (found >= 0)
- break;
-
- if (free < 0 &&
- !memcmp(&dev->iboe.gid_table[port - 1][i],
- &zgid, sizeof(*gid)))
- free = i;
- }
- }
- }
-
- if (found == -1 && !clear && free >= 0) {
- dev->iboe.gid_table[port - 1][free] = *gid;
- need_update = 1;
- }
-
- if (!need_update)
- return 0;
-
- work = kzalloc(sizeof(*work), GFP_ATOMIC);
- if (!work)
- return -ENOMEM;
-
- memcpy(work->gids, dev->iboe.gid_table[port - 1], sizeof(work->gids));
- INIT_WORK(&work->work, update_gids_task);
- work->port = port;
- work->dev = dev;
- queue_work(wq, &work->work);
-
- return 0;
-}
-
-static void mlx4_make_default_gid(struct net_device *dev, union ib_gid *gid)
-{
- gid->global.subnet_prefix = cpu_to_be64(0xfe80000000000000LL);
- mlx4_addrconf_ifid_eui48(&gid->raw[8], 0xffff, dev);
-}
-
-
-static int reset_gid_table(struct mlx4_ib_dev *dev, u8 port)
-{
- struct update_gid_work *work;
-
- work = kzalloc(sizeof(*work), GFP_ATOMIC);
- if (!work)
- return -ENOMEM;
-
- memset(dev->iboe.gid_table[port - 1], 0, sizeof(work->gids));
- memset(work->gids, 0, sizeof(work->gids));
- INIT_WORK(&work->work, reset_gids_task);
- work->dev = dev;
- work->port = port;
- queue_work(wq, &work->work);
- return 0;
-}
-
-static int mlx4_ib_addr_event(int event, struct net_device *event_netdev,
- struct mlx4_ib_dev *ibdev, union ib_gid *gid)
-{
- struct mlx4_ib_iboe *iboe;
- int port = 0;
- struct net_device *real_dev = rdma_vlan_dev_real_dev(event_netdev) ?
- rdma_vlan_dev_real_dev(event_netdev) :
- event_netdev;
- union ib_gid default_gid;
-
- mlx4_make_default_gid(real_dev, &default_gid);
-
- if (!memcmp(gid, &default_gid, sizeof(*gid)))
- return 0;
-
- if (event != NETDEV_DOWN && event != NETDEV_UP)
- return 0;
-
- if ((real_dev != event_netdev) &&
- (event == NETDEV_DOWN) &&
- rdma_link_local_addr((struct in6_addr *)gid))
- return 0;
-
- iboe = &ibdev->iboe;
- spin_lock_bh(&iboe->lock);
-
- for (port = 1; port <= ibdev->dev->caps.num_ports; ++port)
- if ((netif_is_bond_master(real_dev) &&
- (real_dev == iboe->masters[port - 1])) ||
- (!netif_is_bond_master(real_dev) &&
- (real_dev == iboe->netdevs[port - 1])))
- update_gid_table(ibdev, port, gid,
- event == NETDEV_DOWN, 0);
-
- spin_unlock_bh(&iboe->lock);
- return 0;
-
-}
-
-static u8 mlx4_ib_get_dev_port(struct net_device *dev,
- struct mlx4_ib_dev *ibdev)
-{
- u8 port = 0;
- struct mlx4_ib_iboe *iboe;
- struct net_device *real_dev = rdma_vlan_dev_real_dev(dev) ?
- rdma_vlan_dev_real_dev(dev) : dev;
-
- iboe = &ibdev->iboe;
-
- for (port = 1; port <= ibdev->dev->caps.num_ports; ++port)
- if ((netif_is_bond_master(real_dev) &&
- (real_dev == iboe->masters[port - 1])) ||
- (!netif_is_bond_master(real_dev) &&
- (real_dev == iboe->netdevs[port - 1])))
- break;
-
- if ((port == 0) || (port > ibdev->dev->caps.num_ports))
- return 0;
- else
- return port;
-}
-
-static int mlx4_ib_inet_event(struct notifier_block *this, unsigned long event,
- void *ptr)
-{
- struct mlx4_ib_dev *ibdev;
- struct in_ifaddr *ifa = ptr;
- union ib_gid gid;
- struct net_device *event_netdev = ifa->ifa_dev->dev;
-
- ipv6_addr_set_v4mapped(ifa->ifa_address, (struct in6_addr *)&gid);
-
- ibdev = container_of(this, struct mlx4_ib_dev, iboe.nb_inet);
-
- mlx4_ib_addr_event(event, event_netdev, ibdev, &gid);
- return NOTIFY_DONE;
-}
-
-#if IS_ENABLED(CONFIG_IPV6)
-static int mlx4_ib_inet6_event(struct notifier_block *this, unsigned long event,
- void *ptr)
-{
- struct mlx4_ib_dev *ibdev;
- struct inet6_ifaddr *ifa = ptr;
- union ib_gid *gid = (union ib_gid *)&ifa->addr;
- struct net_device *event_netdev = ifa->idev->dev;
-
- ibdev = container_of(this, struct mlx4_ib_dev, iboe.nb_inet6);
-
- mlx4_ib_addr_event(event, event_netdev, ibdev, gid);
- return NOTIFY_DONE;
-}
-#endif
-
#define MLX4_IB_INVALID_MAC ((u64)-1)
static void mlx4_ib_update_qps(struct mlx4_ib_dev *ibdev,
struct net_device *dev,
@@ -2019,94 +1739,6 @@ unlock:
mutex_unlock(&ibdev->qp1_proxy_lock[port - 1]);
}
-static void mlx4_ib_get_dev_addr(struct net_device *dev,
- struct mlx4_ib_dev *ibdev, u8 port)
-{
- struct in_device *in_dev;
-#if IS_ENABLED(CONFIG_IPV6)
- struct inet6_dev *in6_dev;
- union ib_gid *pgid;
- struct inet6_ifaddr *ifp;
- union ib_gid default_gid;
-#endif
- union ib_gid gid;
-
-
- if ((port == 0) || (port > ibdev->dev->caps.num_ports))
- return;
-
- /* IPv4 gids */
- in_dev = in_dev_get(dev);
- if (in_dev) {
- for_ifa(in_dev) {
- /*ifa->ifa_address;*/
- ipv6_addr_set_v4mapped(ifa->ifa_address,
- (struct in6_addr *)&gid);
- update_gid_table(ibdev, port, &gid, 0, 0);
- }
- endfor_ifa(in_dev);
- in_dev_put(in_dev);
- }
-#if IS_ENABLED(CONFIG_IPV6)
- mlx4_make_default_gid(dev, &default_gid);
- /* IPv6 gids */
- in6_dev = in6_dev_get(dev);
- if (in6_dev) {
- read_lock_bh(&in6_dev->lock);
- list_for_each_entry(ifp, &in6_dev->addr_list, if_list) {
- pgid = (union ib_gid *)&ifp->addr;
- if (!memcmp(pgid, &default_gid, sizeof(*pgid)))
- continue;
- update_gid_table(ibdev, port, pgid, 0, 0);
- }
- read_unlock_bh(&in6_dev->lock);
- in6_dev_put(in6_dev);
- }
-#endif
-}
-
-static void mlx4_ib_set_default_gid(struct mlx4_ib_dev *ibdev,
- struct net_device *dev, u8 port)
-{
- union ib_gid gid;
- mlx4_make_default_gid(dev, &gid);
- update_gid_table(ibdev, port, &gid, 0, 1);
-}
-
-static int mlx4_ib_init_gid_table(struct mlx4_ib_dev *ibdev)
-{
- struct net_device *dev;
- struct mlx4_ib_iboe *iboe = &ibdev->iboe;
- int i;
- int err = 0;
-
- for (i = 1; i <= ibdev->num_ports; ++i) {
- if (rdma_port_get_link_layer(&ibdev->ib_dev, i) ==
- IB_LINK_LAYER_ETHERNET) {
- err = reset_gid_table(ibdev, i);
- if (err)
- goto out;
- }
- }
-
- read_lock(&dev_base_lock);
- spin_lock_bh(&iboe->lock);
-
- for_each_netdev(&init_net, dev) {
- u8 port = mlx4_ib_get_dev_port(dev, ibdev);
- /* port will be non-zero only for ETH ports */
- if (port) {
- mlx4_ib_set_default_gid(ibdev, dev, port);
- mlx4_ib_get_dev_addr(dev, ibdev, port);
- }
- }
-
- spin_unlock_bh(&iboe->lock);
- read_unlock(&dev_base_lock);
-out:
- return err;
-}
-
static void mlx4_ib_scan_netdevs(struct mlx4_ib_dev *ibdev,
struct net_device *dev,
unsigned long event)
@@ -2116,81 +1748,22 @@ static void mlx4_ib_scan_netdevs(struct mlx4_ib_dev *ibdev,
int update_qps_port = -1;
int port;
+ ASSERT_RTNL();
+
iboe = &ibdev->iboe;
spin_lock_bh(&iboe->lock);
mlx4_foreach_ib_transport_port(port, ibdev->dev) {
- enum ib_port_state port_state = IB_PORT_NOP;
- struct net_device *old_master = iboe->masters[port - 1];
- struct net_device *curr_netdev;
- struct net_device *curr_master;
iboe->netdevs[port - 1] =
mlx4_get_protocol_dev(ibdev->dev, MLX4_PROT_ETH, port);
- if (iboe->netdevs[port - 1])
- mlx4_ib_set_default_gid(ibdev,
- iboe->netdevs[port - 1], port);
- curr_netdev = iboe->netdevs[port - 1];
-
- if (iboe->netdevs[port - 1] &&
- netif_is_bond_slave(iboe->netdevs[port - 1])) {
- iboe->masters[port - 1] = netdev_master_upper_dev_get(
- iboe->netdevs[port - 1]);
- } else {
- iboe->masters[port - 1] = NULL;
- }
- curr_master = iboe->masters[port - 1];
if (dev == iboe->netdevs[port - 1] &&
(event == NETDEV_CHANGEADDR || event == NETDEV_REGISTER ||
event == NETDEV_UP || event == NETDEV_CHANGE))
update_qps_port = port;
- if (curr_netdev) {
- port_state = (netif_running(curr_netdev) && netif_carrier_ok(curr_netdev)) ?
- IB_PORT_ACTIVE : IB_PORT_DOWN;
- mlx4_ib_set_default_gid(ibdev, curr_netdev, port);
- if (curr_master) {
- /* if using bonding/team and a slave port is down, we
- * don't want the bond IP based gids in the table since
- * flows that select port by gid may get the down port.
- */
- if (port_state == IB_PORT_DOWN &&
- !mlx4_is_bonded(ibdev->dev)) {
- reset_gid_table(ibdev, port);
- mlx4_ib_set_default_gid(ibdev,
- curr_netdev,
- port);
- } else {
- /* gids from the upper dev (bond/team)
- * should appear in port's gid table
- */
- mlx4_ib_get_dev_addr(curr_master,
- ibdev, port);
- }
- }
- /* if bonding is used it is possible that we add it to
- * masters only after IP address is assigned to the
- * net bonding interface.
- */
- if (curr_master && (old_master != curr_master)) {
- reset_gid_table(ibdev, port);
- mlx4_ib_set_default_gid(ibdev,
- curr_netdev, port);
- mlx4_ib_get_dev_addr(curr_master, ibdev, port);
- }
-
- if (!curr_master && (old_master != curr_master)) {
- reset_gid_table(ibdev, port);
- mlx4_ib_set_default_gid(ibdev,
- curr_netdev, port);
- mlx4_ib_get_dev_addr(curr_netdev, ibdev, port);
- }
- } else {
- reset_gid_table(ibdev, port);
- }
}
-
spin_unlock_bh(&iboe->lock);
if (update_qps_port > 0)
@@ -2394,6 +1967,8 @@ static void *mlx4_ib_add(struct mlx4_dev *dev)
1 : ibdev->num_ports;
ibdev->ib_dev.num_comp_vectors = dev->caps.num_comp_vectors;
ibdev->ib_dev.dma_device = &dev->persist->pdev->dev;
+ ibdev->ib_dev.get_netdev = mlx4_ib_get_netdev;
+ ibdev->ib_dev.modify_gid = mlx4_ib_modify_gid;
if (dev->caps.userspace_caps)
ibdev->ib_dev.uverbs_abi_ver = MLX4_IB_UVERBS_ABI_VERSION;
@@ -2588,26 +2163,6 @@ static void *mlx4_ib_add(struct mlx4_dev *dev)
goto err_notif;
}
}
- if (!iboe->nb_inet.notifier_call) {
- iboe->nb_inet.notifier_call = mlx4_ib_inet_event;
- err = register_inetaddr_notifier(&iboe->nb_inet);
- if (err) {
- iboe->nb_inet.notifier_call = NULL;
- goto err_notif;
- }
- }
-#if IS_ENABLED(CONFIG_IPV6)
- if (!iboe->nb_inet6.notifier_call) {
- iboe->nb_inet6.notifier_call = mlx4_ib_inet6_event;
- err = register_inet6addr_notifier(&iboe->nb_inet6);
- if (err) {
- iboe->nb_inet6.notifier_call = NULL;
- goto err_notif;
- }
- }
-#endif
- if (mlx4_ib_init_gid_table(ibdev))
- goto err_notif;
}
for (j = 0; j < ARRAY_SIZE(mlx4_class_attributes); ++j) {
@@ -2638,18 +2193,6 @@ err_notif:
pr_warn("failure unregistering notifier\n");
ibdev->iboe.nb.notifier_call = NULL;
}
- if (ibdev->iboe.nb_inet.notifier_call) {
- if (unregister_inetaddr_notifier(&ibdev->iboe.nb_inet))
- pr_warn("failure unregistering notifier\n");
- ibdev->iboe.nb_inet.notifier_call = NULL;
- }
-#if IS_ENABLED(CONFIG_IPV6)
- if (ibdev->iboe.nb_inet6.notifier_call) {
- if (unregister_inet6addr_notifier(&ibdev->iboe.nb_inet6))
- pr_warn("failure unregistering notifier\n");
- ibdev->iboe.nb_inet6.notifier_call = NULL;
- }
-#endif
flush_workqueue(wq);
mlx4_ib_close_sriov(ibdev);
@@ -2773,19 +2316,6 @@ static void mlx4_ib_remove(struct mlx4_dev *dev, void *ibdev_ptr)
kfree(ibdev->ib_uc_qpns_bitmap);
}
- if (ibdev->iboe.nb_inet.notifier_call) {
- if (unregister_inetaddr_notifier(&ibdev->iboe.nb_inet))
- pr_warn("failure unregistering notifier\n");
- ibdev->iboe.nb_inet.notifier_call = NULL;
- }
-#if IS_ENABLED(CONFIG_IPV6)
- if (ibdev->iboe.nb_inet6.notifier_call) {
- if (unregister_inet6addr_notifier(&ibdev->iboe.nb_inet6))
- pr_warn("failure unregistering notifier\n");
- ibdev->iboe.nb_inet6.notifier_call = NULL;
- }
-#endif
-
iounmap(ibdev->uar_map);
for (p = 0; p < ibdev->num_ports; ++p)
if (ibdev->counters[p] != -1)
@@ -473,12 +473,8 @@ struct mlx4_port_gid_table {
struct mlx4_ib_iboe {
spinlock_t lock;
struct net_device *netdevs[MLX4_MAX_PORTS];
- struct net_device *masters[MLX4_MAX_PORTS];
atomic64_t mac[MLX4_MAX_PORTS];
struct notifier_block nb;
- struct notifier_block nb_inet;
- struct notifier_block nb_inet6;
- union ib_gid gid_table[MLX4_MAX_PORTS][128];
struct mlx4_port_gid_table gids[MLX4_MAX_PORTS];
};
@@ -1292,14 +1292,18 @@ static int _mlx4_set_path(struct mlx4_ib_dev *dev, const struct ib_ah_attr *ah,
path->static_rate = 0;
if (ah->ah_flags & IB_AH_GRH) {
- if (ah->grh.sgid_index >= dev->dev->caps.gid_table_len[port]) {
+ int real_sgid_index = mlx4_ib_gid_index_to_real_index(dev,
+ port,
+ ah->grh.sgid_index);
+
+ if (real_sgid_index >= dev->dev->caps.gid_table_len[port]) {
pr_err("sgid_index (%u) too large. max is %d\n",
- ah->grh.sgid_index, dev->dev->caps.gid_table_len[port] - 1);
+ real_sgid_index, dev->dev->caps.gid_table_len[port] - 1);
return -1;
}
path->grh_mylmc |= 1 << 7;
- path->mgid_index = ah->grh.sgid_index;
+ path->mgid_index = real_sgid_index;
path->hop_limit = ah->grh.hop_limit;
path->tclass_flowlabel =
cpu_to_be32((ah->grh.traffic_class << 20) |