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authorKarsten Graul <kgraul@linux.ibm.com>2018-05-02 17:56:45 +0300
committerDavid S. Miller <davem@davemloft.net>2018-05-02 20:29:12 +0300
commited75986f4aaef7822f63bd40c2ce491bdd9c6dec (patch)
tree7870d9534713293a6d5d9dd1830d66ba359c2c10 /net/smc
parent877ae5be421de3173b1306113c3f88003ae798b3 (diff)
downloadlinux-ed75986f4aaef7822f63bd40c2ce491bdd9c6dec.tar.xz
net/smc: ipv6 support for smc_diag.c
Update smc_diag.c to support ipv6 addresses on the diagnosis interface. Signed-off-by: Karsten Graul <kgraul@linux.ibm.com> Signed-off-by: Ursula Braun <ubraun@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/smc')
-rw-r--r--net/smc/smc_diag.c39
1 files changed, 30 insertions, 9 deletions
diff --git a/net/smc/smc_diag.c b/net/smc/smc_diag.c
index 427b91c1c964..05dd7e6d314d 100644
--- a/net/smc/smc_diag.c
+++ b/net/smc/smc_diag.c
@@ -38,17 +38,27 @@ static void smc_diag_msg_common_fill(struct smc_diag_msg *r, struct sock *sk)
{
struct smc_sock *smc = smc_sk(sk);
- r->diag_family = sk->sk_family;
if (!smc->clcsock)
return;
r->id.idiag_sport = htons(smc->clcsock->sk->sk_num);
r->id.idiag_dport = smc->clcsock->sk->sk_dport;
r->id.idiag_if = smc->clcsock->sk->sk_bound_dev_if;
sock_diag_save_cookie(sk, r->id.idiag_cookie);
- memset(&r->id.idiag_src, 0, sizeof(r->id.idiag_src));
- memset(&r->id.idiag_dst, 0, sizeof(r->id.idiag_dst));
- r->id.idiag_src[0] = smc->clcsock->sk->sk_rcv_saddr;
- r->id.idiag_dst[0] = smc->clcsock->sk->sk_daddr;
+ if (sk->sk_protocol == SMCPROTO_SMC) {
+ r->diag_family = PF_INET;
+ memset(&r->id.idiag_src, 0, sizeof(r->id.idiag_src));
+ memset(&r->id.idiag_dst, 0, sizeof(r->id.idiag_dst));
+ r->id.idiag_src[0] = smc->clcsock->sk->sk_rcv_saddr;
+ r->id.idiag_dst[0] = smc->clcsock->sk->sk_daddr;
+#if IS_ENABLED(CONFIG_IPV6)
+ } else if (sk->sk_protocol == SMCPROTO_SMC6) {
+ r->diag_family = PF_INET6;
+ memcpy(&r->id.idiag_src, &smc->clcsock->sk->sk_v6_rcv_saddr,
+ sizeof(smc->clcsock->sk->sk_v6_rcv_saddr));
+ memcpy(&r->id.idiag_dst, &smc->clcsock->sk->sk_v6_daddr,
+ sizeof(smc->clcsock->sk->sk_v6_daddr));
+#endif
+ }
}
static int smc_diag_msg_attrs_fill(struct sock *sk, struct sk_buff *skb,
@@ -153,7 +163,8 @@ errout:
return -EMSGSIZE;
}
-static int smc_diag_dump(struct sk_buff *skb, struct netlink_callback *cb)
+static int smc_diag_dump_proto(struct proto *prot, struct sk_buff *skb,
+ struct netlink_callback *cb)
{
struct net *net = sock_net(skb->sk);
struct nlattr *bc = NULL;
@@ -161,8 +172,8 @@ static int smc_diag_dump(struct sk_buff *skb, struct netlink_callback *cb)
struct sock *sk;
int rc = 0;
- read_lock(&smc_proto.h.smc_hash->lock);
- head = &smc_proto.h.smc_hash->ht;
+ read_lock(&prot->h.smc_hash->lock);
+ head = &prot->h.smc_hash->ht;
if (hlist_empty(head))
goto out;
@@ -175,7 +186,17 @@ static int smc_diag_dump(struct sk_buff *skb, struct netlink_callback *cb)
}
out:
- read_unlock(&smc_proto.h.smc_hash->lock);
+ read_unlock(&prot->h.smc_hash->lock);
+ return rc;
+}
+
+static int smc_diag_dump(struct sk_buff *skb, struct netlink_callback *cb)
+{
+ int rc = 0;
+
+ rc = smc_diag_dump_proto(&smc_proto, skb, cb);
+ if (!rc)
+ rc = smc_diag_dump_proto(&smc_proto6, skb, cb);
return rc;
}