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path: root/drivers/crypto/chelsio/chtls/chtls_cm.c
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Diffstat (limited to 'drivers/crypto/chelsio/chtls/chtls_cm.c')
-rw-r--r--drivers/crypto/chelsio/chtls/chtls_cm.c46
1 files changed, 34 insertions, 12 deletions
diff --git a/drivers/crypto/chelsio/chtls/chtls_cm.c b/drivers/crypto/chelsio/chtls/chtls_cm.c
index 9a642c79a657..f200fae6f7cb 100644
--- a/drivers/crypto/chelsio/chtls/chtls_cm.c
+++ b/drivers/crypto/chelsio/chtls/chtls_cm.c
@@ -93,8 +93,10 @@ static struct net_device *chtls_find_netdev(struct chtls_dev *cdev,
struct sock *sk)
{
struct net_device *ndev = cdev->ports[0];
+#if IS_ENABLED(CONFIG_IPV6)
struct net_device *temp;
int addr_type;
+#endif
switch (sk->sk_family) {
case PF_INET:
@@ -102,19 +104,21 @@ static struct net_device *chtls_find_netdev(struct chtls_dev *cdev,
return ndev;
ndev = ip_dev_find(&init_net, inet_sk(sk)->inet_rcv_saddr);
break;
+#if IS_ENABLED(CONFIG_IPV6)
case PF_INET6:
addr_type = ipv6_addr_type(&sk->sk_v6_rcv_saddr);
if (likely(addr_type == IPV6_ADDR_ANY))
return ndev;
- for_each_netdev_rcu(&init_net, temp) {
- if (ipv6_chk_addr(&init_net, (struct in6_addr *)
- &sk->sk_v6_rcv_saddr, temp, 1)) {
- ndev = temp;
- break;
+ for_each_netdev_rcu(&init_net, temp) {
+ if (ipv6_chk_addr(&init_net, (struct in6_addr *)
+ &sk->sk_v6_rcv_saddr, temp, 1)) {
+ ndev = temp;
+ break;
+ }
}
- }
break;
+#endif
default:
return NULL;
}
@@ -476,8 +480,10 @@ void chtls_destroy_sock(struct sock *sk)
csk->cdev = NULL;
if (sk->sk_family == AF_INET)
sk->sk_prot = &tcp_prot;
+#if IS_ENABLED(CONFIG_IPV6)
else
sk->sk_prot = &tcpv6_prot;
+#endif
sk->sk_prot->destroy(sk);
}
@@ -629,14 +635,15 @@ static void chtls_reset_synq(struct listen_ctx *listen_ctx)
int chtls_listen_start(struct chtls_dev *cdev, struct sock *sk)
{
struct net_device *ndev;
+#if IS_ENABLED(CONFIG_IPV6)
+ bool clip_valid = false;
+#endif
struct listen_ctx *ctx;
struct adapter *adap;
struct port_info *pi;
- bool clip_valid;
+ int ret = 0;
int stid;
- int ret;
- clip_valid = false;
rcu_read_lock();
ndev = chtls_find_netdev(cdev, sk);
rcu_read_unlock();
@@ -674,6 +681,7 @@ int chtls_listen_start(struct chtls_dev *cdev, struct sock *sk)
inet_sk(sk)->inet_rcv_saddr,
inet_sk(sk)->inet_sport, 0,
cdev->lldi->rxq_ids[0]);
+#if IS_ENABLED(CONFIG_IPV6)
} else {
int addr_type;
@@ -689,6 +697,7 @@ int chtls_listen_start(struct chtls_dev *cdev, struct sock *sk)
&sk->sk_v6_rcv_saddr,
inet_sk(sk)->inet_sport,
cdev->lldi->rxq_ids[0]);
+#endif
}
if (ret > 0)
ret = net_xmit_errno(ret);
@@ -696,8 +705,10 @@ int chtls_listen_start(struct chtls_dev *cdev, struct sock *sk)
goto del_hash;
return 0;
del_hash:
+#if IS_ENABLED(CONFIG_IPV6)
if (clip_valid)
cxgb4_clip_release(ndev, (const u32 *)&sk->sk_v6_rcv_saddr, 1);
+#endif
listen_hash_del(cdev, sk);
free_stid:
cxgb4_free_stid(cdev->tids, stid, sk->sk_family);
@@ -711,8 +722,6 @@ free_ctx:
void chtls_listen_stop(struct chtls_dev *cdev, struct sock *sk)
{
struct listen_ctx *listen_ctx;
- struct chtls_sock *csk;
- int addr_type = 0;
int stid;
stid = listen_hash_del(cdev, sk);
@@ -725,7 +734,11 @@ void chtls_listen_stop(struct chtls_dev *cdev, struct sock *sk)
cxgb4_remove_server(cdev->lldi->ports[0], stid,
cdev->lldi->rxq_ids[0], sk->sk_family == PF_INET6);
+#if IS_ENABLED(CONFIG_IPV6)
if (sk->sk_family == PF_INET6) {
+ struct chtls_sock *csk;
+ int addr_type = 0;
+
csk = rcu_dereference_sk_user_data(sk);
addr_type = ipv6_addr_type((const struct in6_addr *)
&sk->sk_v6_rcv_saddr);
@@ -733,6 +746,7 @@ void chtls_listen_stop(struct chtls_dev *cdev, struct sock *sk)
cxgb4_clip_release(csk->egress_dev, (const u32 *)
&sk->sk_v6_rcv_saddr, 1);
}
+#endif
chtls_disconnect_acceptq(sk);
}
@@ -941,9 +955,11 @@ static unsigned int chtls_select_mss(const struct chtls_sock *csk,
tp = tcp_sk(sk);
tcpoptsz = 0;
+#if IS_ENABLED(CONFIG_IPV6)
if (sk->sk_family == AF_INET6)
iphdrsz = sizeof(struct ipv6hdr) + sizeof(struct tcphdr);
else
+#endif
iphdrsz = sizeof(struct iphdr) + sizeof(struct tcphdr);
if (req->tcpopt.tstamp)
tcpoptsz += round_up(TCPOLEN_TIMESTAMP, 4);
@@ -1091,13 +1107,13 @@ static struct sock *chtls_recv_sock(struct sock *lsk,
const struct cpl_pass_accept_req *req,
struct chtls_dev *cdev)
{
+ struct neighbour *n = NULL;
struct inet_sock *newinet;
const struct iphdr *iph;
struct tls_context *ctx;
struct net_device *ndev;
struct chtls_sock *csk;
struct dst_entry *dst;
- struct neighbour *n;
struct tcp_sock *tp;
struct sock *newsk;
u16 port_id;
@@ -1115,6 +1131,7 @@ static struct sock *chtls_recv_sock(struct sock *lsk,
goto free_sk;
n = dst_neigh_lookup(dst, &iph->saddr);
+#if IS_ENABLED(CONFIG_IPV6)
} else {
const struct ipv6hdr *ip6h;
struct flowi6 fl6;
@@ -1131,6 +1148,7 @@ static struct sock *chtls_recv_sock(struct sock *lsk,
if (IS_ERR(dst))
goto free_sk;
n = dst_neigh_lookup(dst, &ip6h->saddr);
+#endif
}
if (!n)
goto free_sk;
@@ -1158,6 +1176,7 @@ static struct sock *chtls_recv_sock(struct sock *lsk,
newinet->inet_daddr = iph->saddr;
newinet->inet_rcv_saddr = iph->daddr;
newinet->inet_saddr = iph->daddr;
+#if IS_ENABLED(CONFIG_IPV6)
} else {
struct tcp6_sock *newtcp6sk = (struct tcp6_sock *)newsk;
struct inet_request_sock *treq = inet_rsk(oreq);
@@ -1175,6 +1194,7 @@ static struct sock *chtls_recv_sock(struct sock *lsk,
newinet->inet_opt = NULL;
newinet->inet_daddr = LOOPBACK4_IPV6;
newinet->inet_saddr = LOOPBACK4_IPV6;
+#endif
}
oreq->ts_recent = PASS_OPEN_TID_G(ntohl(req->tos_stid));
@@ -1337,10 +1357,12 @@ static void chtls_pass_accept_request(struct sock *sk,
if (iph->version == 0x4) {
chtls_set_req_addr(oreq, iph->daddr, iph->saddr);
ip_dsfield = ipv4_get_dsfield(iph);
+#if IS_ENABLED(CONFIG_IPV6)
} else {
inet_rsk(oreq)->ir_v6_rmt_addr = ipv6_hdr(skb)->saddr;
inet_rsk(oreq)->ir_v6_loc_addr = ipv6_hdr(skb)->daddr;
ip_dsfield = ipv6_get_dsfield(ipv6_hdr(skb));
+#endif
}
if (req->tcpopt.wsf <= 14 &&
sock_net(sk)->ipv4.sysctl_tcp_window_scaling) {
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