diff options
| author | Dmitry Safonov <dima@arista.com> | 2023-10-23 21:22:01 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2023-10-27 11:35:44 +0200 |
| commit | decde2586b34b99684faff1eab41e5c496c27fb6 (patch) | |
| tree | 652eb4afc1b820420b9da1735047c0b719b36087 /include/net/tcp_ao.h | |
| parent | net/tcp: Add AO sign to RST packets (diff) | |
| download | linux-decde2586b34b99684faff1eab41e5c496c27fb6.tar.xz linux-decde2586b34b99684faff1eab41e5c496c27fb6.zip | |
net/tcp: Add TCP-AO sign to twsk
Add support for sockets in time-wait state.
ao_info as well as all keys are inherited on transition to time-wait
socket. The lifetime of ao_info is now protected by ref counter, so
that tcp_ao_destroy_sock() will destruct it only when the last user is
gone.
Co-developed-by: Francesco Ruggeri <fruggeri@arista.com>
Signed-off-by: Francesco Ruggeri <fruggeri@arista.com>
Co-developed-by: Salam Noureddine <noureddine@arista.com>
Signed-off-by: Salam Noureddine <noureddine@arista.com>
Signed-off-by: Dmitry Safonov <dima@arista.com>
Acked-by: David Ahern <dsahern@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/tcp_ao.h')
| -rw-r--r-- | include/net/tcp_ao.h | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/include/net/tcp_ao.h b/include/net/tcp_ao.h index 629ab0365b83..971d7edcda9c 100644 --- a/include/net/tcp_ao.h +++ b/include/net/tcp_ao.h @@ -85,6 +85,7 @@ struct tcp_ao_info { __unused :31; __be32 lisn; __be32 risn; + refcount_t refcnt; /* Protects twsk destruction */ struct rcu_head rcu; }; @@ -124,7 +125,8 @@ struct tcp_ao_key *tcp_ao_established_key(struct tcp_ao_info *ao, int sndid, int rcvid); int tcp_ao_calc_traffic_key(struct tcp_ao_key *mkt, u8 *key, void *ctx, unsigned int len, struct tcp_sigpool *hp); -void tcp_ao_destroy_sock(struct sock *sk); +void tcp_ao_destroy_sock(struct sock *sk, bool twsk); +void tcp_ao_time_wait(struct tcp_timewait_sock *tcptw, struct tcp_sock *tp); struct tcp_ao_key *tcp_ao_do_lookup(const struct sock *sk, const union tcp_ao_addr *addr, int family, int sndid, int rcvid); @@ -182,7 +184,7 @@ static inline struct tcp_ao_key *tcp_ao_do_lookup(const struct sock *sk, return NULL; } -static inline void tcp_ao_destroy_sock(struct sock *sk) +static inline void tcp_ao_destroy_sock(struct sock *sk, bool twsk) { } @@ -194,6 +196,11 @@ static inline void tcp_ao_finish_connect(struct sock *sk, struct sk_buff *skb) { } +static inline void tcp_ao_time_wait(struct tcp_timewait_sock *tcptw, + struct tcp_sock *tp) +{ +} + static inline void tcp_ao_connect_init(struct sock *sk) { } |