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inet: add IPv6 support to sk_ehashfn()

Browse source 
Intent is to converge IPv4 & IPv6 inet_hash functions to
factorize code.

IPv4 sockets initialize sk_rcv_saddr and sk_v6_daddr
in this patch, thanks to new sk_daddr_set() and sk_rcv_saddr_set()
helpers.

__inet6_hash can now use sk_ehashfn() instead of a private
inet6_sk_ehashfn() and will simply use __inet_hash() in a
following patch.

Signed-off-by: Eric Dumazet <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Eric Dumazet 2015-03-18 14:05:35 -07:00 • committed by David S. Miller
commit d1e559d0b1
7 changed files with 45 additions and 45 deletions
Download patch file Download diff file Expand all files Collapse all files

9
net/dccp/ipv4.c
View file

@ -89,10 +89,9 @@ int dccp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
if (inet->inet_saddr == 0)
inet->inet_saddr = fl4->saddr;
inet->inet_rcv_saddr = inet->inet_saddr;
sk_rcv_saddr_set(sk, inet->inet_saddr);
inet->inet_dport = usin->sin_port;
inet->inet_daddr = daddr;
sk_daddr_set(sk, daddr);
inet_csk(sk)->icsk_ext_hdr_len = 0;
if (inet_opt)
@ -408,8 +407,8 @@ struct sock *dccp_v4_request_recv_sock(struct sock *sk, struct sk_buff *skb,
newinet = inet_sk(newsk);
ireq = inet_rsk(req);
newinet->inet_daddr = ireq->ir_rmt_addr;
newinet->inet_rcv_saddr = ireq->ir_loc_addr;
sk_daddr_set(newsk, ireq->ir_rmt_addr);
sk_rcv_saddr_set(newsk, ireq->ir_loc_addr);
newinet->inet_saddr = ireq->ir_loc_addr;
newinet->inet_opt = ireq->opt;
ireq->opt = NULL;

10
net/dccp/ipv6.c
View file

@ -470,11 +470,7 @@ static struct sock *dccp_v6_request_recv_sock(struct sock *sk,
memcpy(newnp, np, sizeof(struct ipv6_pinfo));
ipv6_addr_set_v4mapped(newinet->inet_daddr, &newsk->sk_v6_daddr);
ipv6_addr_set_v4mapped(newinet->inet_saddr, &newnp->saddr);
newsk->sk_v6_rcv_saddr = newnp->saddr;
newnp->saddr = newsk->sk_v6_rcv_saddr;
inet_csk(newsk)->icsk_af_ops = &dccp_ipv6_mapped;
newsk->sk_backlog_rcv = dccp_v4_do_rcv;
@ -917,9 +913,7 @@ static int dccp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
sk->sk_backlog_rcv = dccp_v6_do_rcv;
goto failure;
}
ipv6_addr_set_v4mapped(inet->inet_saddr, &np->saddr);
ipv6_addr_set_v4mapped(inet->inet_rcv_saddr, &sk->sk_v6_rcv_saddr);
np->saddr = sk->sk_v6_rcv_saddr;
return err;
}