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sctp: Add ip option support

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Add ip option support to allow LSM security modules to utilise CIPSO/IPv4
and CALIPSO/IPv6 services.

Signed-off-by: Richard Haines <richard_c_haines@btinternet.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
This commit is contained in:
Richard Haines
2018-02-24 16:18:51 +00:00
committed by Paul Moore
parent 72e89f5008
commit b7e10c25b8
7 changed files with 122 additions and 27 deletions
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2
include/net/sctp/structs.h
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@@ -491,6 +491,7 @@ struct sctp_af {
void (*ecn_capable)(struct sock *sk);
__u16 net_header_len;
int sockaddr_len;
int (*ip_options_len)(struct sock *sk);
sa_family_t sa_family;
struct list_head list;
};
@@ -515,6 +516,7 @@ struct sctp_pf {
int (*addr_to_user)(struct sctp_sock *sk, union sctp_addr *addr);
void (*to_sk_saddr)(union sctp_addr *, struct sock *sk);
void (*to_sk_daddr)(union sctp_addr *, struct sock *sk);
void (*copy_ip_options)(struct sock *sk, struct sock *newsk);
struct sctp_af *af;
};