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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /include/net/tc_act/tc_tunnel_key.h | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/net/tc_act/tc_tunnel_key.h')
-rw-r--r-- | include/net/tc_act/tc_tunnel_key.h | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/include/net/tc_act/tc_tunnel_key.h b/include/net/tc_act/tc_tunnel_key.h new file mode 100644 index 0000000000..879fe8cff5 --- /dev/null +++ b/include/net/tc_act/tc_tunnel_key.h @@ -0,0 +1,86 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright (c) 2016, Amir Vadai <amir@vadai.me> + * Copyright (c) 2016, Mellanox Technologies. All rights reserved. + */ + +#ifndef __NET_TC_TUNNEL_KEY_H +#define __NET_TC_TUNNEL_KEY_H + +#include <net/act_api.h> +#include <linux/tc_act/tc_tunnel_key.h> +#include <net/dst_metadata.h> + +struct tcf_tunnel_key_params { + struct rcu_head rcu; + int tcft_action; + struct metadata_dst *tcft_enc_metadata; +}; + +struct tcf_tunnel_key { + struct tc_action common; + struct tcf_tunnel_key_params __rcu *params; +}; + +#define to_tunnel_key(a) ((struct tcf_tunnel_key *)a) + +static inline bool is_tcf_tunnel_set(const struct tc_action *a) +{ +#ifdef CONFIG_NET_CLS_ACT + struct tcf_tunnel_key *t = to_tunnel_key(a); + struct tcf_tunnel_key_params *params; + + params = rcu_dereference_protected(t->params, + lockdep_is_held(&a->tcfa_lock)); + if (a->ops && a->ops->id == TCA_ID_TUNNEL_KEY) + return params->tcft_action == TCA_TUNNEL_KEY_ACT_SET; +#endif + return false; +} + +static inline bool is_tcf_tunnel_release(const struct tc_action *a) +{ +#ifdef CONFIG_NET_CLS_ACT + struct tcf_tunnel_key *t = to_tunnel_key(a); + struct tcf_tunnel_key_params *params; + + params = rcu_dereference_protected(t->params, + lockdep_is_held(&a->tcfa_lock)); + if (a->ops && a->ops->id == TCA_ID_TUNNEL_KEY) + return params->tcft_action == TCA_TUNNEL_KEY_ACT_RELEASE; +#endif + return false; +} + +static inline struct ip_tunnel_info *tcf_tunnel_info(const struct tc_action *a) +{ +#ifdef CONFIG_NET_CLS_ACT + struct tcf_tunnel_key *t = to_tunnel_key(a); + struct tcf_tunnel_key_params *params; + + params = rcu_dereference_protected(t->params, + lockdep_is_held(&a->tcfa_lock)); + + return ¶ms->tcft_enc_metadata->u.tun_info; +#else + return NULL; +#endif +} + +static inline struct ip_tunnel_info * +tcf_tunnel_info_copy(const struct tc_action *a) +{ +#ifdef CONFIG_NET_CLS_ACT + struct ip_tunnel_info *tun = tcf_tunnel_info(a); + + if (tun) { + size_t tun_size = sizeof(*tun) + tun->options_len; + struct ip_tunnel_info *tun_copy = kmemdup(tun, tun_size, + GFP_ATOMIC); + + return tun_copy; + } +#endif + return NULL; +} +#endif /* __NET_TC_TUNNEL_KEY_H */ |