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86 lines
2.1 KiB
86 lines
2.1 KiB
/* SPDX-License-Identifier: GPL-2.0-or-later */ |
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/* |
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* Copyright (c) 2016, Amir Vadai <[email protected]> |
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* Copyright (c) 2016, Mellanox Technologies. All rights reserved. |
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*/ |
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#ifndef __NET_TC_TUNNEL_KEY_H |
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#define __NET_TC_TUNNEL_KEY_H |
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#include <net/act_api.h> |
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#include <linux/tc_act/tc_tunnel_key.h> |
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#include <net/dst_metadata.h> |
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struct tcf_tunnel_key_params { |
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struct rcu_head rcu; |
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int tcft_action; |
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struct metadata_dst *tcft_enc_metadata; |
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}; |
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struct tcf_tunnel_key { |
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struct tc_action common; |
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struct tcf_tunnel_key_params __rcu *params; |
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}; |
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#define to_tunnel_key(a) ((struct tcf_tunnel_key *)a) |
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static inline bool is_tcf_tunnel_set(const struct tc_action *a) |
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{ |
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#ifdef CONFIG_NET_CLS_ACT |
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struct tcf_tunnel_key *t = to_tunnel_key(a); |
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struct tcf_tunnel_key_params *params; |
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params = rcu_dereference_protected(t->params, |
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lockdep_is_held(&a->tcfa_lock)); |
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if (a->ops && a->ops->id == TCA_ID_TUNNEL_KEY) |
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return params->tcft_action == TCA_TUNNEL_KEY_ACT_SET; |
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#endif |
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return false; |
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} |
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static inline bool is_tcf_tunnel_release(const struct tc_action *a) |
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{ |
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#ifdef CONFIG_NET_CLS_ACT |
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struct tcf_tunnel_key *t = to_tunnel_key(a); |
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struct tcf_tunnel_key_params *params; |
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params = rcu_dereference_protected(t->params, |
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lockdep_is_held(&a->tcfa_lock)); |
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if (a->ops && a->ops->id == TCA_ID_TUNNEL_KEY) |
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return params->tcft_action == TCA_TUNNEL_KEY_ACT_RELEASE; |
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#endif |
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return false; |
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} |
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static inline struct ip_tunnel_info *tcf_tunnel_info(const struct tc_action *a) |
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{ |
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#ifdef CONFIG_NET_CLS_ACT |
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struct tcf_tunnel_key *t = to_tunnel_key(a); |
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struct tcf_tunnel_key_params *params; |
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params = rcu_dereference_protected(t->params, |
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lockdep_is_held(&a->tcfa_lock)); |
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return ¶ms->tcft_enc_metadata->u.tun_info; |
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#else |
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return NULL; |
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#endif |
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} |
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static inline struct ip_tunnel_info * |
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tcf_tunnel_info_copy(const struct tc_action *a) |
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{ |
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#ifdef CONFIG_NET_CLS_ACT |
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struct ip_tunnel_info *tun = tcf_tunnel_info(a); |
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if (tun) { |
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size_t tun_size = sizeof(*tun) + tun->options_len; |
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struct ip_tunnel_info *tun_copy = kmemdup(tun, tun_size, |
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GFP_ATOMIC); |
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return tun_copy; |
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} |
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#endif |
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return NULL; |
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} |
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#endif /* __NET_TC_TUNNEL_KEY_H */
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