* [RFC] Bluetooth: BNEP protocol & multicast filter ioctl
2012-06-19 16:45 [RFC] Bluetooth: BNEP protocol & multicast filter ioctl Frédéric Dalleau
@ 2012-06-19 16:45 ` Frédéric Dalleau
0 siblings, 0 replies; 2+ messages in thread
From: Frédéric Dalleau @ 2012-06-19 16:45 UTC (permalink / raw)
To: linux-bluetooth; +Cc: Frédéric Dalleau
Signed-off-by: Frédéric Dalleau <frederic.dalleau@linux.intel.com>
---
net/bluetooth/bnep/bnep.h | 16 ++++++++++++++++
net/bluetooth/bnep/core.c | 30 ++++++++++++++++++++++++++++++
net/bluetooth/bnep/sock.c | 30 ++++++++++++++++++++++++++++++
3 files changed, 76 insertions(+)
diff --git a/net/bluetooth/bnep/bnep.h b/net/bluetooth/bnep/bnep.h
index e7ee531..2ccf96c 100644
--- a/net/bluetooth/bnep/bnep.h
+++ b/net/bluetooth/bnep/bnep.h
@@ -112,6 +112,8 @@ struct bnep_ext_hdr {
#define BNEPCONNDEL _IOW('B', 201, int)
#define BNEPGETCONNLIST _IOR('B', 210, int)
#define BNEPGETCONNINFO _IOR('B', 211, int)
+#define BNEPSETNETFILTER _IOR('B', 212, int)
+#define BNEPSETMCFILTER _IOR('B', 213, int)
struct bnep_connadd_req {
int sock; /* Connected socket */
@@ -143,10 +145,24 @@ struct bnep_proto_filter {
__u16 end;
};
+struct bnep_netfilter_req {
+ int sock; /* Connected socket */
+ int len;
+ struct bnep_proto_filter proto_filter[BNEP_MAX_PROTO_FILTERS];
+};
+
+struct bnep_mcfilter_req {
+ int sock; /* Connected socket */
+ int len;
+ unsigned long long mc_filter[BNEP_MAX_MULTICAST_FILTERS];
+};
+
int bnep_add_connection(struct bnep_connadd_req *req, struct socket *sock);
int bnep_del_connection(struct bnep_conndel_req *req);
int bnep_get_connlist(struct bnep_connlist_req *req);
int bnep_get_conninfo(struct bnep_conninfo *ci);
+int bnep_set_mcfilter(struct bnep_mcfilter_req *mf, struct socket *sock);
+int bnep_set_netfilter(struct bnep_netfilter_req *nf, struct socket *sock);
/* BNEP sessions */
struct bnep_session {
diff --git a/net/bluetooth/bnep/core.c b/net/bluetooth/bnep/core.c
index 4a6620b..3d29eb0 100644
--- a/net/bluetooth/bnep/core.c
+++ b/net/bluetooth/bnep/core.c
@@ -689,6 +689,36 @@ int bnep_get_conninfo(struct bnep_conninfo *ci)
return err;
}
+#ifdef CONFIG_BT_BNEP_MC_FILTER
+int bnep_set_mcfilter(struct bnep_mcfilter_req *mf, struct socket *sock)
+{
+ struct bnep_session *s;
+ u8 dst[ETH_ALEN], src[ETH_ALEN];
+
+ baswap((void *) dst, &bt_sk(sock->sk)->dst);
+ baswap((void *) src, &bt_sk(sock->sk)->src);
+
+ s = __bnep_get_session(dst);
+
+ return bnep_ctrl_set_mcfilter(s, (void *)mf->mc_filter, mf->len);
+}
+#endif
+
+#ifdef CONFIG_BT_BNEP_PROTO_FILTER
+int bnep_set_netfilter(struct bnep_netfilter_req *nf, struct socket *sock)
+{
+ struct bnep_session *s;
+ u8 dst[ETH_ALEN], src[ETH_ALEN];
+
+ baswap((void *) dst, &bt_sk(sock->sk)->dst);
+ baswap((void *) src, &bt_sk(sock->sk)->src);
+
+ s = __bnep_get_session(dst);
+
+ return bnep_ctrl_set_netfilter(s, (void *)&nf->proto_filter, nf->len);
+}
+#endif
+
static int __init bnep_init(void)
{
char flt[50] = "";
diff --git a/net/bluetooth/bnep/sock.c b/net/bluetooth/bnep/sock.c
index 5e5f5b4..2c58c6b 100644
--- a/net/bluetooth/bnep/sock.c
+++ b/net/bluetooth/bnep/sock.c
@@ -48,6 +48,12 @@ static int bnep_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long
struct bnep_connlist_req cl;
struct bnep_connadd_req ca;
struct bnep_conndel_req cd;
+#ifdef CONFIG_BT_BNEP_PROTO_FILTER
+ struct bnep_netfilter_req nf;
+#endif
+#ifdef CONFIG_BT_BNEP_MC_FILTER
+ struct bnep_mcfilter_req mc;
+#endif
struct bnep_conninfo ci;
struct socket *nsock;
void __user *argp = (void __user *)arg;
@@ -114,6 +120,30 @@ static int bnep_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long
return err;
+#ifdef CONFIG_BT_BNEP_PROTO_FILTER
+ case BNEPSETNETFILTER:
+ if (copy_from_user(&nf, argp, sizeof(nf)))
+ return -EFAULT;
+
+ nsock = sockfd_lookup(nf.sock, &err);
+ if (!nsock)
+ return err;
+
+ return bnep_set_netfilter(&nf, nsock);
+#endif
+
+#ifdef CONFIG_BT_BNEP_MC_FILTER
+ case BNEPSETMCFILTER:
+ if (copy_from_user(&mc, argp, sizeof(mc)))
+ return -EFAULT;
+
+ nsock = sockfd_lookup(mc.sock, &err);
+ if (!nsock)
+ return err;
+
+ return bnep_set_mcfilter(&mc, nsock);
+#endif
+
default:
return -EINVAL;
}
--
1.7.9.5
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