diff options
| author |   Ka-Cheong Poon <ka-cheong.poon@oracle.com> | 2018-07-30 22:48:42 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2018-08-01 09:32:35 -0700 |
| commit | e65d4d96334e3ff4fe0064612a93a51c63de08de (patch) | |
| tree | 3bbc43d81b1e59665ceae7f412c70be52c29d89c /net/rds/tcp_listen.c | |
| parent | rds: rds_ib_recv_alloc_cache() should call alloc_percpu_gfp() instead (diff) | |
| download | linux-dev-e65d4d96334e3ff4fe0064612a93a51c63de08de.tar.xz linux-dev-e65d4d96334e3ff4fe0064612a93a51c63de08de.zip | |
rds: Remove IPv6 dependency
This patch removes the IPv6 dependency from RDS.
Signed-off-by: Ka-Cheong Poon <ka-cheong.poon@oracle.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/rds/tcp_listen.c')
| -rw-r--r-- | net/rds/tcp_listen.c | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/net/rds/tcp_listen.c b/net/rds/tcp_listen.c index 0cf0147117d8..c12203f646da 100644 --- a/net/rds/tcp_listen.c +++ b/net/rds/tcp_listen.c @@ -132,7 +132,10 @@ int rds_tcp_accept_one(struct socket *sock) int conn_state; struct rds_conn_path *cp; struct in6_addr *my_addr, *peer_addr; - int dev_if; +#if !IS_ENABLED(CONFIG_IPV6) + struct in6_addr saddr, daddr; +#endif + int dev_if = 0; if (!sock) /* module unload or netns delete in progress */ return -ENETUNREACH; @@ -165,12 +168,21 @@ int rds_tcp_accept_one(struct socket *sock) inet = inet_sk(new_sock->sk); +#if IS_ENABLED(CONFIG_IPV6) my_addr = &new_sock->sk->sk_v6_rcv_saddr; peer_addr = &new_sock->sk->sk_v6_daddr; - rdsdebug("accepted tcp %pI6c:%u -> %pI6c:%u\n", +#else + ipv6_addr_set_v4mapped(inet->inet_saddr, &saddr); + ipv6_addr_set_v4mapped(inet->inet_daddr, &daddr); + my_addr = &saddr; + peer_addr = &daddr; +#endif + rdsdebug("accepted family %d tcp %pI6c:%u -> %pI6c:%u\n", + sock->sk->sk_family, my_addr, ntohs(inet->inet_sport), peer_addr, ntohs(inet->inet_dport)); +#if IS_ENABLED(CONFIG_IPV6) /* sk_bound_dev_if is not set if the peer address is not link local * address. In this case, it happens that mcast_oif is set. So * just use it. @@ -184,9 +196,10 @@ int rds_tcp_accept_one(struct socket *sock) } else { dev_if = new_sock->sk->sk_bound_dev_if; } +#endif + conn = rds_conn_create(sock_net(sock->sk), - &new_sock->sk->sk_v6_rcv_saddr, - &new_sock->sk->sk_v6_daddr, + my_addr, peer_addr, &rds_tcp_transport, GFP_KERNEL, dev_if); if (IS_ERR(conn)) { |