diff options
Diffstat (limited to 'net/caif')
-rw-r--r-- | net/caif/Makefile | 8 | ||||
-rw-r--r-- | net/caif/caif_socket.c | 2 | ||||
-rw-r--r-- | net/caif/cfcnfg.c | 9 | ||||
-rw-r--r-- | net/caif/chnl_net.c | 22 |
4 files changed, 28 insertions, 13 deletions
diff --git a/net/caif/Makefile b/net/caif/Makefile index f87481f..9d38e40 100644 --- a/net/caif/Makefile +++ b/net/caif/Makefile @@ -1,8 +1,6 @@ -ifeq ($(CONFIG_CAIF_DEBUG),y) -EXTRA_CFLAGS += -DDEBUG -endif +ccflags-$(CONFIG_CAIF_DEBUG) := -DDEBUG -caif-objs := caif_dev.o \ +caif-y := caif_dev.o \ cfcnfg.o cfmuxl.o cfctrl.o \ cffrml.o cfveil.o cfdbgl.o\ cfserl.o cfdgml.o \ @@ -13,4 +11,4 @@ obj-$(CONFIG_CAIF) += caif.o obj-$(CONFIG_CAIF_NETDEV) += chnl_net.o obj-$(CONFIG_CAIF) += caif_socket.o -export-objs := caif.o +export-y := caif.o diff --git a/net/caif/caif_socket.c b/net/caif/caif_socket.c index 1bf0cf5..8184c03 100644 --- a/net/caif/caif_socket.c +++ b/net/caif/caif_socket.c @@ -740,12 +740,12 @@ static int setsockopt(struct socket *sock, if (cf_sk->sk.sk_protocol != CAIFPROTO_UTIL) return -ENOPROTOOPT; lock_sock(&(cf_sk->sk)); - cf_sk->conn_req.param.size = ol; if (ol > sizeof(cf_sk->conn_req.param.data) || copy_from_user(&cf_sk->conn_req.param.data, ov, ol)) { release_sock(&cf_sk->sk); return -EINVAL; } + cf_sk->conn_req.param.size = ol; release_sock(&cf_sk->sk); return 0; diff --git a/net/caif/cfcnfg.c b/net/caif/cfcnfg.c index 21ede14..c665de7 100644 --- a/net/caif/cfcnfg.c +++ b/net/caif/cfcnfg.c @@ -191,6 +191,7 @@ int cfcnfg_disconn_adapt_layer(struct cfcnfg *cnfg, struct cflayer *adap_layer) struct cflayer *servl = NULL; struct cfcnfg_phyinfo *phyinfo = NULL; u8 phyid = 0; + caif_assert(adap_layer != NULL); channel_id = adap_layer->id; if (adap_layer->dn == NULL || channel_id == 0) { @@ -199,16 +200,16 @@ int cfcnfg_disconn_adapt_layer(struct cfcnfg *cnfg, struct cflayer *adap_layer) goto end; } servl = cfmuxl_remove_uplayer(cnfg->mux, channel_id); - if (servl == NULL) - goto end; - layer_set_up(servl, NULL); - ret = cfctrl_linkdown_req(cnfg->ctrl, channel_id, adap_layer); if (servl == NULL) { pr_err("PROTOCOL ERROR - Error removing service_layer Channel_Id(%d)", channel_id); ret = -EINVAL; goto end; } + layer_set_up(servl, NULL); + ret = cfctrl_linkdown_req(cnfg->ctrl, channel_id, adap_layer); + if (ret) + goto end; caif_assert(channel_id == servl->id); if (adap_layer->dn != NULL) { phyid = cfsrvl_getphyid(adap_layer->dn); diff --git a/net/caif/chnl_net.c b/net/caif/chnl_net.c index 84a422c..6008d6d 100644 --- a/net/caif/chnl_net.c +++ b/net/caif/chnl_net.c @@ -76,6 +76,8 @@ static int chnl_recv_cb(struct cflayer *layr, struct cfpkt *pkt) struct chnl_net *priv = container_of(layr, struct chnl_net, chnl); int pktlen; int err = 0; + const u8 *ip_version; + u8 buf; priv = container_of(layr, struct chnl_net, chnl); @@ -90,7 +92,21 @@ static int chnl_recv_cb(struct cflayer *layr, struct cfpkt *pkt) * send the packet to the net stack. */ skb->dev = priv->netdev; - skb->protocol = htons(ETH_P_IP); + + /* check the version of IP */ + ip_version = skb_header_pointer(skb, 0, 1, &buf); + if (!ip_version) + return -EINVAL; + switch (*ip_version >> 4) { + case 4: + skb->protocol = htons(ETH_P_IP); + break; + case 6: + skb->protocol = htons(ETH_P_IPV6); + break; + default: + return -EINVAL; + } /* If we change the header in loop mode, the checksum is corrupted. */ if (priv->conn_req.protocol == CAIFPROTO_DATAGRAM_LOOP) @@ -378,9 +394,7 @@ static void ipcaif_net_setup(struct net_device *dev) priv->conn_req.sockaddr.u.dgm.connection_id = -1; priv->flowenabled = false; - ASSERT_RTNL(); init_waitqueue_head(&priv->netmgmt_wq); - list_add(&priv->list_field, &chnl_net_list); } @@ -437,6 +451,8 @@ static int ipcaif_newlink(struct net *src_net, struct net_device *dev, ret = register_netdevice(dev); if (ret) pr_warn("device rtml registration failed\n"); + else + list_add(&caifdev->list_field, &chnl_net_list); return ret; } |