core/en/tc_tun_encap.c

127 	/* Flow can be associated with multiple encap entries.
196 		/* update from slow path rule to encap rule */
231 		/* mark the flow's encap dest as non-valid */
242 		/* update from encap rule to slow path rule */
248 			mlx5_core_warn(priv->mdev, "Failed to update slow path (encap) flow, %d\n",
260 	/* we know that the encap is valid */
272 		 * unoffloaded from hardware, otherwise deleting encap will
284 /* Takes reference to all flows attached to encap and adds the flows to
322 	/* find encap with non-zero reference counter value */
341 	/* release starting encap */
347 	/* wait for encap to be fully initialized */
349 	/* continue searching if encap entry is not in valid state after completion */
402 	/* mlx5e_get_next_valid_encap() releases previous encap before returning
433 			/* release current encap before breaking the loop */
702 		NL_SET_ERR_MSG_MOD(extack, "can't duplicate encap action");
703 		netdev_err(priv->netdev, "can't duplicate encap action\n");
792 	struct mlx5e_tc_tun_encap *encap;
797 	encap = uplink_priv->encap;
799 	spin_lock_bh(&encap->route_lock);
800 	ret = encap->route_tbl_last_update;
801 	spin_unlock_bh(&encap->route_lock);
850 	/* must verify if encap is valid or not */
910 		mlx5_core_dbg(priv->mdev, "attaching int port as encap dev not supported, using uplink\n");
954 				   "encap header larger than max supported");
1073 		NL_SET_ERR_MSG_MOD(extack, "VF tunnel encap with mirroring is not supported");
1158 mlx5e_route_get(struct mlx5e_tc_tun_encap *encap, struct mlx5e_route_key *key,
1164 	hash_for_each_possible(encap->route_tbl, r, hlist, hash_key) {
1182 	struct mlx5e_tc_tun_encap *encap;
1188 	encap = uplink_priv->encap;
1191 	spin_lock_bh(&encap->route_lock);
1192 	r = mlx5e_route_get(encap, key, hash_key);
1193 	spin_unlock_bh(&encap->route_lock);
1213 	spin_lock_bh(&encap->route_lock);
1214 	*route_tbl_change_time = encap->route_tbl_last_update;
1215 	hash_add(encap->route_tbl, &r->hlist, hash_key);
1216 	spin_unlock_bh(&encap->route_lock);
1222 mlx5e_route_lookup_for_update(struct mlx5e_tc_tun_encap *encap, struct mlx5e_route_key *key)
1227 	spin_lock_bh(&encap->route_lock);
1228 	encap->route_tbl_last_update = jiffies;
1229 	r = mlx5e_route_get(encap, key, hash_key);
1230 	spin_unlock_bh(&encap->route_lock);
1502 		mlx5_core_warn(priv->mdev, "Failed to update encap header, %d", err);
1549 			/* update from slow path rule to encap rule */
1562 			/* mark the flow's encap dest as non-valid */
1568 				mlx5_core_warn(priv->mdev, "Failed to update slow path (encap) flow, %d\n",
1729 			 struct mlx5e_tc_tun_encap *encap,
1758 	r = mlx5e_route_lookup_for_update(encap, &key);
1774 			 struct mlx5e_tc_tun_encap *encap,
1802 	r = mlx5e_route_lookup_for_update(encap, &key);
1819 	struct mlx5e_tc_tun_encap *encap;
1823 	encap = container_of(nb, struct mlx5e_tc_tun_encap, fib_nb);
1824 	priv = encap->priv;
1832 			fib_work = mlx5e_init_fib_work_ipv4(priv, ul_dev, encap, event, info);
1834 			fib_work = mlx5e_init_fib_work_ipv6(priv, ul_dev, encap, event, info);
1856 	struct mlx5e_tc_tun_encap *encap;
1859 	encap = kvzalloc(sizeof(*encap), GFP_KERNEL);
1860 	if (!encap)
1863 	encap->priv = priv;
1864 	encap->fib_nb.notifier_call = mlx5e_tc_tun_fib_event;
1865 	spin_lock_init(&encap->route_lock);
1866 	hash_init(encap->route_tbl);
1867 	err = register_fib_notifier(dev_net(priv->netdev), &encap->fib_nb,
1870 		kvfree(encap);
1874 	return encap;
1877 void mlx5e_tc_tun_cleanup(struct mlx5e_tc_tun_encap *encap)
1879 	if (!encap)
1882 	unregister_fib_notifier(dev_net(encap->priv->netdev), &encap->fib_nb);
1883 	flush_workqueue(encap->priv->wq); /* flush fib event works */
1884 	kvfree(encap);