diff options
| author |   Arnaldo Carvalho de Melo <acme@ghostprotocols.net> | 2005-08-09 20:09:59 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@sunset.davemloft.net> | 2005-08-29 15:42:26 -0700 |
| commit | c676270bcd25015b978722ec0352c330dcc87883 (patch) | |
| tree | 098cc52c71d68465e7ee5fbae462d58126b68885 /net/ipv4/inet_timewait_sock.c | |
| parent | [INET]: Generalise the TCP sock ID lookup routines (diff) | |
| download | wireguard-linux-c676270bcd25015b978722ec0352c330dcc87883.tar.xz wireguard-linux-c676270bcd25015b978722ec0352c330dcc87883.zip | |
[INET_TWSK]: Introduce inet_twsk_alloc
With the parts of tcp_time_wait that are not TCP specific, tcp_time_wait uses
it and so will dccp_time_wait.
Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/inet_timewait_sock.c')
| -rw-r--r-- | net/ipv4/inet_timewait_sock.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/net/ipv4/inet_timewait_sock.c b/net/ipv4/inet_timewait_sock.c index d38d160faeb7..ceb577c74237 100644 --- a/net/ipv4/inet_timewait_sock.c +++ b/net/ipv4/inet_timewait_sock.c @@ -81,3 +81,31 @@ void __inet_twsk_hashdance(struct inet_timewait_sock *tw, struct sock *sk, write_unlock(&ehead->lock); } + +struct inet_timewait_sock *inet_twsk_alloc(const struct sock *sk, const int state) +{ + struct inet_timewait_sock *tw = kmem_cache_alloc(sk->sk_prot_creator->twsk_slab, + SLAB_ATOMIC); + if (tw != NULL) { + const struct inet_sock *inet = inet_sk(sk); + + /* Give us an identity. */ + tw->tw_daddr = inet->daddr; + tw->tw_rcv_saddr = inet->rcv_saddr; + tw->tw_bound_dev_if = sk->sk_bound_dev_if; + tw->tw_num = inet->num; + tw->tw_state = TCP_TIME_WAIT; + tw->tw_substate = state; + tw->tw_sport = inet->sport; + tw->tw_dport = inet->dport; + tw->tw_family = sk->sk_family; + tw->tw_reuse = sk->sk_reuse; + tw->tw_hashent = sk->sk_hashent; + tw->tw_ipv6only = 0; + tw->tw_prot = sk->sk_prot_creator; + atomic_set(&tw->tw_refcnt, 1); + inet_twsk_dead_node_init(tw); + } + + return tw; +} |