本文整理汇总了C++中dev_put函数的典型用法代码示例。如果您正苦于以下问题：C++ dev_put函数的具体用法？C++ dev_put怎么用？C++ dev_put使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了dev_put函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。
示例1: dump_common_audit_data
//.........这里部分代码省略.........
tsk = a->u.tsk;
if (tsk && tsk->pid) {
audit_log_format(ab, " pid=%d comm=", tsk->pid);
audit_log_untrustedstring(ab, tsk->comm);
}
break;
case LSM_AUDIT_DATA_NET:
if (a->u.net->sk) {
struct sock *sk = a->u.net->sk;
struct unix_sock *u;
int len = 0;
char *p = NULL;
switch (sk->sk_family) {
case AF_INET: {
struct inet_sock *inet = inet_sk(sk);
print_ipv4_addr(ab, inet->inet_rcv_saddr,
inet->inet_sport,
"laddr", "lport");
print_ipv4_addr(ab, inet->inet_daddr,
inet->inet_dport,
"faddr", "fport");
break;
}
case AF_INET6: {
struct inet_sock *inet = inet_sk(sk);
struct ipv6_pinfo *inet6 = inet6_sk(sk);
print_ipv6_addr(ab, &inet6->rcv_saddr,
inet->inet_sport,
"laddr", "lport");
print_ipv6_addr(ab, &inet6->daddr,
inet->inet_dport,
"faddr", "fport");
break;
}
case AF_UNIX:
u = unix_sk(sk);
if (u->path.dentry) {
audit_log_d_path(ab, " path=", &u->path);
break;
}
if (!u->addr)
break;
len = u->addr->len-sizeof(short);
p = &u->addr->name->sun_path[0];
audit_log_format(ab, " path=");
if (*p)
audit_log_untrustedstring(ab, p);
else
audit_log_n_hex(ab, p, len);
break;
}
}
switch (a->u.net->family) {
case AF_INET:
print_ipv4_addr(ab, a->u.net->v4info.saddr,
a->u.net->sport,
"saddr", "src");
print_ipv4_addr(ab, a->u.net->v4info.daddr,
a->u.net->dport,
"daddr", "dest");
break;
case AF_INET6:
print_ipv6_addr(ab, &a->u.net->v6info.saddr,
a->u.net->sport,
"saddr", "src");
print_ipv6_addr(ab, &a->u.net->v6info.daddr,
a->u.net->dport,
"daddr", "dest");
break;
}
if (a->u.net->netif > 0) {
struct net_device *dev;
/* NOTE: we always use init's namespace */
dev = dev_get_by_index(&init_net, a->u.net->netif);
if (dev) {
audit_log_format(ab, " netif=%s", dev->name);
dev_put(dev);
}
}
break;
#ifdef CONFIG_KEYS
case LSM_AUDIT_DATA_KEY:
audit_log_format(ab, " key_serial=%u", a->u.key_struct.key);
if (a->u.key_struct.key_desc) {
audit_log_format(ab, " key_desc=");
audit_log_untrustedstring(ab, a->u.key_struct.key_desc);
}
break;
#endif
case LSM_AUDIT_DATA_KMOD:
audit_log_format(ab, " kmod=");
audit_log_untrustedstring(ab, a->u.kmod_name);
break;
} /* switch (a->type) */
}
开发者ID:adyjl，项目名称:DORIMANX_LG_STOCK_LP_KERNEL，代码行数:101，代码来源:lsm_audit.c
示例2: raw_setsockopt
static int raw_setsockopt(struct socket *sock, int level, int optname,
char __user *optval, unsigned int optlen)
{
struct sock *sk = sock->sk;
struct raw_sock *ro = raw_sk(sk);
struct can_filter *filter = NULL; /* dyn. alloc'ed filters */
struct can_filter sfilter; /* single filter */
struct net_device *dev = NULL;
can_err_mask_t err_mask = 0;
int count = 0;
int err = 0;
if (level != SOL_CAN_RAW)
return -EINVAL;
switch (optname) {
case CAN_RAW_FILTER:
if (optlen % sizeof(struct can_filter) != 0)
return -EINVAL;
count = optlen / sizeof(struct can_filter);
if (count > 1) {
/* filter does not fit into dfilter => alloc space */
filter = memdup_user(optval, optlen);
if (IS_ERR(filter))
return PTR_ERR(filter);
} else if (count == 1) {
if (copy_from_user(&sfilter, optval, sizeof(sfilter)))
return -EFAULT;
}
lock_sock(sk);
if (ro->bound && ro->ifindex)
dev = dev_get_by_index(&init_net, ro->ifindex);
if (ro->bound) {
/* (try to) register the new filters */
if (count == 1)
err = raw_enable_filters(dev, sk, &sfilter, 1);
else
err = raw_enable_filters(dev, sk, filter,
count);
if (err) {
if (count > 1)
kfree(filter);
goto out_fil;
}
/* remove old filter registrations */
raw_disable_filters(dev, sk, ro->filter, ro->count);
}
/* remove old filter space */
if (ro->count > 1)
kfree(ro->filter);
/* link new filters to the socket */
if (count == 1) {
/* copy filter data for single filter */
ro->dfilter = sfilter;
filter = &ro->dfilter;
}
ro->filter = filter;
ro->count = count;
out_fil:
if (dev)
dev_put(dev);
release_sock(sk);
break;
case CAN_RAW_ERR_FILTER:
if (optlen != sizeof(err_mask))
return -EINVAL;
if (copy_from_user(&err_mask, optval, optlen))
return -EFAULT;
err_mask &= CAN_ERR_MASK;
lock_sock(sk);
if (ro->bound && ro->ifindex)
dev = dev_get_by_index(&init_net, ro->ifindex);
/* remove current error mask */
if (ro->bound) {
/* (try to) register the new err_mask */
err = raw_enable_errfilter(dev, sk, err_mask);
if (err)
goto out_err;
/* remove old err_mask registration */
raw_disable_errfilter(dev, sk, ro->err_mask);
//.........这里部分代码省略.........
开发者ID:33d，项目名称:linux-2.6.21-hh20，代码行数:101，代码来源:raw.c
示例3: CVE_2010_3848_linux2_6_23_econet_sendmsg
//.........这里部分代码省略.........
struct ec_framehdr *fh;
err = -EINVAL;
res = dev->hard_header(skb, dev, ntohs(proto),
&addr, NULL, len);
/* Poke in our control byte and
port number. Hack, hack. */
fh = (struct ec_framehdr *)(skb->data);
fh->cb = cb;
fh->port = port;
if (sock->type != SOCK_DGRAM) {
skb_reset_tail_pointer(skb);
skb->len = 0;
} else if (res < 0)
goto out_free;
}
/* Copy the data. Returns -EFAULT on error */
err = memcpy_fromiovec(skb_put(skb,len), msg->msg_iov, len);
skb->protocol = proto;
skb->dev = dev;
skb->priority = sk->sk_priority;
if (err)
goto out_free;
err = -ENETDOWN;
if (!(dev->flags & IFF_UP))
goto out_free;
/*
* Now send it
*/
dev_queue_xmit(skb);
dev_put(dev);
mutex_unlock(&econet_mutex);
return(len);
out_free:
kfree_skb(skb);
out_unlock:
if (dev)
dev_put(dev);
#else
err = -EPROTOTYPE;
#endif
mutex_unlock(&econet_mutex);
return err;
}
#ifdef CONFIG_ECONET_AUNUDP
/* AUN virtual Econet. */
if (udpsock == NULL) {
mutex_unlock(&econet_mutex);
return -ENETDOWN; /* No socket - can't send */
}
/* Make up a UDP datagram and hand it off to some higher intellect. */
memset(&udpdest, 0, sizeof(udpdest));
udpdest.sin_family = AF_INET;
udpdest.sin_port = htons(AUN_PORT);
/* At the moment we use the stupid Acorn scheme of Econet address
y.x maps to IP a.b.c.x. This should be replaced with something
开发者ID:KbaHaxor，项目名称:Vulpecker，代码行数:67，代码来源:CVE_2010_3848_linux2_6_23_econet_sendmsg.c
示例4: ieee802154_start_req
/* PANid, channel, beacon_order = 15, superframe_order = 15,
* PAN_coordinator, battery_life_extension = 0,
* coord_realignment = 0, security_enable = 0
*/
int ieee802154_start_req(struct sk_buff *skb, struct genl_info *info)
{
struct net_device *dev;
struct ieee802154_addr addr;
u8 channel, bcn_ord, sf_ord;
u8 page;
int pan_coord, blx, coord_realign;
int ret = -EBUSY;
if (!info->attrs[IEEE802154_ATTR_COORD_PAN_ID] ||
!info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR] ||
!info->attrs[IEEE802154_ATTR_CHANNEL] ||
!info->attrs[IEEE802154_ATTR_BCN_ORD] ||
!info->attrs[IEEE802154_ATTR_SF_ORD] ||
!info->attrs[IEEE802154_ATTR_PAN_COORD] ||
!info->attrs[IEEE802154_ATTR_BAT_EXT] ||
!info->attrs[IEEE802154_ATTR_COORD_REALIGN]
)
return -EINVAL;
dev = ieee802154_nl_get_dev(info);
if (!dev)
return -ENODEV;
if (netif_running(dev))
goto out;
if (!ieee802154_mlme_ops(dev)->start_req) {
ret = -EOPNOTSUPP;
goto out;
}
addr.mode = IEEE802154_ADDR_SHORT;
addr.short_addr = nla_get_shortaddr(
info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR]);
addr.pan_id = nla_get_shortaddr(
info->attrs[IEEE802154_ATTR_COORD_PAN_ID]);
channel = nla_get_u8(info->attrs[IEEE802154_ATTR_CHANNEL]);
bcn_ord = nla_get_u8(info->attrs[IEEE802154_ATTR_BCN_ORD]);
sf_ord = nla_get_u8(info->attrs[IEEE802154_ATTR_SF_ORD]);
pan_coord = nla_get_u8(info->attrs[IEEE802154_ATTR_PAN_COORD]);
blx = nla_get_u8(info->attrs[IEEE802154_ATTR_BAT_EXT]);
coord_realign = nla_get_u8(info->attrs[IEEE802154_ATTR_COORD_REALIGN]);
if (info->attrs[IEEE802154_ATTR_PAGE])
page = nla_get_u8(info->attrs[IEEE802154_ATTR_PAGE]);
else
page = 0;
if (addr.short_addr == cpu_to_le16(IEEE802154_ADDR_BROADCAST)) {
ieee802154_nl_start_confirm(dev, IEEE802154_NO_SHORT_ADDRESS);
dev_put(dev);
return -EINVAL;
}
rtnl_lock();
ret = ieee802154_mlme_ops(dev)->start_req(dev, &addr, channel, page,
bcn_ord, sf_ord, pan_coord, blx, coord_realign);
rtnl_unlock();
/* FIXME: add validation for unused parameters to be sane
* for SoftMAC
*/
ieee802154_nl_start_confirm(dev, IEEE802154_SUCCESS);
out:
dev_put(dev);
return ret;
}
开发者ID:174high，项目名称:compat_wl18xx_origin_from_r8.6，代码行数:75，代码来源:nl-mac.c
示例5: ieee802154_llsec_setparams
int ieee802154_llsec_setparams(struct sk_buff *skb, struct genl_info *info)
{
struct net_device *dev = NULL;
int rc = -EINVAL;
struct ieee802154_mlme_ops *ops;
struct ieee802154_llsec_params params;
int changed = 0;
pr_debug("%s\n", __func__);
dev = ieee802154_nl_get_dev(info);
if (!dev)
return -ENODEV;
if (!info->attrs[IEEE802154_ATTR_LLSEC_ENABLED] &&
!info->attrs[IEEE802154_ATTR_LLSEC_KEY_MODE] &&
!info->attrs[IEEE802154_ATTR_LLSEC_SECLEVEL])
goto out;
ops = ieee802154_mlme_ops(dev);
if (!ops->llsec) {
rc = -EOPNOTSUPP;
goto out;
}
if (info->attrs[IEEE802154_ATTR_LLSEC_SECLEVEL] &&
nla_get_u8(info->attrs[IEEE802154_ATTR_LLSEC_SECLEVEL]) > 7)
goto out;
if (info->attrs[IEEE802154_ATTR_LLSEC_ENABLED]) {
params.enabled = nla_get_u8(info->attrs[IEEE802154_ATTR_LLSEC_ENABLED]);
changed |= IEEE802154_LLSEC_PARAM_ENABLED;
}
if (info->attrs[IEEE802154_ATTR_LLSEC_KEY_MODE]) {
if (ieee802154_llsec_parse_key_id(info, ¶ms.out_key))
goto out;
changed |= IEEE802154_LLSEC_PARAM_OUT_KEY;
}
if (info->attrs[IEEE802154_ATTR_LLSEC_SECLEVEL]) {
params.out_level = nla_get_u8(info->attrs[IEEE802154_ATTR_LLSEC_SECLEVEL]);
changed |= IEEE802154_LLSEC_PARAM_OUT_LEVEL;
}
if (info->attrs[IEEE802154_ATTR_LLSEC_FRAME_COUNTER]) {
u32 fc = nla_get_u32(info->attrs[IEEE802154_ATTR_LLSEC_FRAME_COUNTER]);
params.frame_counter = cpu_to_be32(fc);
changed |= IEEE802154_LLSEC_PARAM_FRAME_COUNTER;
}
rc = ops->llsec->set_params(dev, ¶ms, changed);
dev_put(dev);
return rc;
out:
dev_put(dev);
return rc;
}
开发者ID:174high，项目名称:compat_wl18xx_origin_from_r8.6，代码行数:62，代码来源:nl-mac.c
示例6: vif_add
static int vif_add(struct net *net, struct vifctl *vifc, int mrtsock)
{
int vifi = vifc->vifc_vifi;
struct vif_device *v = &net->ipv4.vif_table[vifi];
struct net_device *dev;
struct in_device *in_dev;
int err;
/* Is vif busy ? */
if (VIF_EXISTS(net, vifi))
return -EADDRINUSE;
switch (vifc->vifc_flags) {
#ifdef CONFIG_IP_PIMSM
case VIFF_REGISTER:
/*
* Special Purpose VIF in PIM
* All the packets will be sent to the daemon
*/
if (net->ipv4.mroute_reg_vif_num >= 0)
return -EADDRINUSE;
dev = ipmr_reg_vif(net);
if (!dev)
return -ENOBUFS;
err = dev_set_allmulti(dev, 1);
if (err) {
unregister_netdevice(dev);
dev_put(dev);
return err;
}
break;
#endif
case VIFF_TUNNEL:
dev = ipmr_new_tunnel(net, vifc);
if (!dev)
return -ENOBUFS;
err = dev_set_allmulti(dev, 1);
if (err) {
ipmr_del_tunnel(dev, vifc);
dev_put(dev);
return err;
}
break;
case VIFF_USE_IFINDEX:
case 0:
if (vifc->vifc_flags == VIFF_USE_IFINDEX) {
dev = dev_get_by_index(net, vifc->vifc_lcl_ifindex);
if (dev && dev->ip_ptr == NULL) {
dev_put(dev);
return -EADDRNOTAVAIL;
}
} else
dev = ip_dev_find(net, vifc->vifc_lcl_addr.s_addr);
if (!dev)
return -EADDRNOTAVAIL;
err = dev_set_allmulti(dev, 1);
if (err) {
dev_put(dev);
return err;
}
break;
default:
return -EINVAL;
}
if ((in_dev = __in_dev_get_rtnl(dev)) == NULL) {
dev_put(dev);
return -EADDRNOTAVAIL;
}
IPV4_DEVCONF(in_dev->cnf, MC_FORWARDING)++;
ip_rt_multicast_event(in_dev);
/*
* Fill in the VIF structures
*/
v->rate_limit = vifc->vifc_rate_limit;
v->local = vifc->vifc_lcl_addr.s_addr;
v->remote = vifc->vifc_rmt_addr.s_addr;
v->flags = vifc->vifc_flags;
if (!mrtsock)
v->flags |= VIFF_STATIC;
v->threshold = vifc->vifc_threshold;
v->bytes_in = 0;
v->bytes_out = 0;
v->pkt_in = 0;
v->pkt_out = 0;
v->link = dev->ifindex;
if (v->flags&(VIFF_TUNNEL|VIFF_REGISTER))
v->link = dev->iflink;
/* And finish update writing critical data */
write_lock_bh(&mrt_lock);
v->dev = dev;
#ifdef CONFIG_IP_PIMSM
if (v->flags&VIFF_REGISTER)
net->ipv4.mroute_reg_vif_num = vifi;
#endif
if (vifi+1 > net->ipv4.maxvif)
//.........这里部分代码省略.........
开发者ID:mfleming，项目名称:linux-2.6，代码行数:101，代码来源:ipmr.c
示例7: comp_rx_data
static int comp_rx_data(struct mbo *mbo)
{
const u32 zero = 0;
struct net_dev_context *nd;
char *buf = mbo->virt_address;
u32 len = mbo->processed_length;
struct sk_buff *skb;
struct net_device *dev;
unsigned int skb_len;
int ret = 0;
nd = get_net_dev_hold(mbo->ifp);
if (!nd)
return -EIO;
if (nd->rx.ch_id != mbo->hdm_channel_id) {
ret = -EIO;
goto put_nd;
}
dev = nd->dev;
if (nd->is_mamac) {
if (!pms_is_mamac(buf, len)) {
ret = -EIO;
goto put_nd;
}
skb = dev_alloc_skb(len - MDP_HDR_LEN + 2 * ETH_ALEN + 2);
} else {
if (!PMS_IS_MEP(buf, len)) {
ret = -EIO;
goto put_nd;
}
skb = dev_alloc_skb(len - MEP_HDR_LEN);
}
if (!skb) {
dev->stats.rx_dropped++;
pr_err_once("drop packet: no memory for skb\n");
goto out;
}
skb->dev = dev;
if (nd->is_mamac) {
/* dest */
ether_addr_copy(skb_put(skb, ETH_ALEN), dev->dev_addr);
/* src */
skb_put_data(skb, &zero, 4);
skb_put_data(skb, buf + 5, 2);
/* eth type */
skb_put_data(skb, buf + 10, 2);
buf += MDP_HDR_LEN;
len -= MDP_HDR_LEN;
} else {
buf += MEP_HDR_LEN;
len -= MEP_HDR_LEN;
}
skb_put_data(skb, buf, len);
skb->protocol = eth_type_trans(skb, dev);
skb_len = skb->len;
if (netif_rx(skb) == NET_RX_SUCCESS) {
dev->stats.rx_packets++;
dev->stats.rx_bytes += skb_len;
} else {
dev->stats.rx_dropped++;
}
out:
most_put_mbo(mbo);
put_nd:
dev_put(nd->dev);
return ret;
}
开发者ID:avagin，项目名称:linux，代码行数:81，代码来源:net.c
示例8: mpoa_event_listener
static int mpoa_event_listener(struct notifier_block *mpoa_notifier, unsigned long event, void *dev_ptr)
{
struct net_device *dev;
struct mpoa_client *mpc;
struct lec_priv *priv;
dev = (struct net_device *)dev_ptr;
if (dev->name == NULL || strncmp(dev->name, "lec", 3))
return NOTIFY_DONE; /* we are only interested in lec:s */
switch (event) {
case NETDEV_REGISTER: /* a new lec device was allocated */
priv = (struct lec_priv *)dev->priv;
if (priv->lane_version < 2)
break;
priv->lane2_ops->associate_indicator = lane2_assoc_ind;
mpc = find_mpc_by_itfnum(priv->itfnum);
if (mpc == NULL) {
dprintk("mpoa: mpoa_event_listener: allocating new mpc for %s\n",
dev->name);
mpc = alloc_mpc();
if (mpc == NULL) {
printk("mpoa: mpoa_event_listener: no new mpc");
break;
}
}
mpc->dev_num = priv->itfnum;
mpc->dev = dev;
dev_hold(dev);
dprintk("mpoa: (%s) was initialized\n", dev->name);
break;
case NETDEV_UNREGISTER:
/* the lec device was deallocated */
mpc = find_mpc_by_lec(dev);
if (mpc == NULL)
break;
dprintk("mpoa: device (%s) was deallocated\n", dev->name);
stop_mpc(mpc);
dev_put(mpc->dev);
mpc->dev = NULL;
break;
case NETDEV_UP:
/* the dev was ifconfig'ed up */
mpc = find_mpc_by_lec(dev);
if (mpc == NULL)
break;
if (mpc->mpoad_vcc != NULL) {
start_mpc(mpc, dev);
}
break;
case NETDEV_DOWN:
/* the dev was ifconfig'ed down */
/* this means that the flow of packets from the
* upper layer stops
*/
mpc = find_mpc_by_lec(dev);
if (mpc == NULL)
break;
if (mpc->mpoad_vcc != NULL) {
stop_mpc(mpc);
}
break;
case NETDEV_REBOOT:
case NETDEV_CHANGE:
case NETDEV_CHANGEMTU:
case NETDEV_CHANGEADDR:
case NETDEV_GOING_DOWN:
break;
default:
break;
}
return NOTIFY_DONE;
}
开发者ID:Antonio-Zhou，项目名称:Linux-2.6.11，代码行数:74，代码来源:mpc.c
示例9: qedr_gsi_build_header
static inline int qedr_gsi_build_header(struct qedr_dev *dev,
struct qedr_qp *qp,
struct ib_send_wr *swr,
struct ib_ud_header *udh,
int *roce_mode)
{
bool has_vlan = false, has_grh_ipv6 = true;
struct rdma_ah_attr *ah_attr = &get_qedr_ah(ud_wr(swr)->ah)->attr;
const struct ib_global_route *grh = rdma_ah_read_grh(ah_attr);
union ib_gid sgid;
int send_size = 0;
u16 vlan_id = 0;
u16 ether_type;
struct ib_gid_attr sgid_attr;
int rc;
int ip_ver = 0;
bool has_udp = false;
int i;
send_size = 0;
for (i = 0; i < swr->num_sge; ++i)
send_size += swr->sg_list[i].length;
rc = ib_get_cached_gid(qp->ibqp.device, rdma_ah_get_port_num(ah_attr),
grh->sgid_index, &sgid, &sgid_attr);
if (rc) {
DP_ERR(dev,
"gsi post send: failed to get cached GID (port=%d, ix=%d)\n",
rdma_ah_get_port_num(ah_attr),
grh->sgid_index);
return rc;
}
if (sgid_attr.ndev) {
vlan_id = rdma_vlan_dev_vlan_id(sgid_attr.ndev);
if (vlan_id < VLAN_CFI_MASK)
has_vlan = true;
dev_put(sgid_attr.ndev);
}
if (!memcmp(&sgid, &zgid, sizeof(sgid))) {
DP_ERR(dev, "gsi post send: GID not found GID index %d\n",
grh->sgid_index);
return -ENOENT;
}
has_udp = (sgid_attr.gid_type == IB_GID_TYPE_ROCE_UDP_ENCAP);
if (!has_udp) {
/* RoCE v1 */
ether_type = ETH_P_IBOE;
*roce_mode = ROCE_V1;
} else if (ipv6_addr_v4mapped((struct in6_addr *)&sgid)) {
/* RoCE v2 IPv4 */
ip_ver = 4;
ether_type = ETH_P_IP;
has_grh_ipv6 = false;
*roce_mode = ROCE_V2_IPV4;
} else {
/* RoCE v2 IPv6 */
ip_ver = 6;
ether_type = ETH_P_IPV6;
*roce_mode = ROCE_V2_IPV6;
}
rc = ib_ud_header_init(send_size, false, true, has_vlan,
has_grh_ipv6, ip_ver, has_udp, 0, udh);
if (rc) {
DP_ERR(dev, "gsi post send: failed to init header\n");
return rc;
}
/* ENET + VLAN headers */
ether_addr_copy(udh->eth.dmac_h, ah_attr->roce.dmac);
ether_addr_copy(udh->eth.smac_h, dev->ndev->dev_addr);
if (has_vlan) {
udh->eth.type = htons(ETH_P_8021Q);
udh->vlan.tag = htons(vlan_id);
udh->vlan.type = htons(ether_type);
} else {
udh->eth.type = htons(ether_type);
}
/* BTH */
udh->bth.solicited_event = !!(swr->send_flags & IB_SEND_SOLICITED);
udh->bth.pkey = QEDR_ROCE_PKEY_DEFAULT;
udh->bth.destination_qpn = htonl(ud_wr(swr)->remote_qpn);
udh->bth.psn = htonl((qp->sq_psn++) & ((1 << 24) - 1));
udh->bth.opcode = IB_OPCODE_UD_SEND_ONLY;
/* DETH */
udh->deth.qkey = htonl(0x80010000);
udh->deth.source_qpn = htonl(QEDR_GSI_QPN);
if (has_grh_ipv6) {
/* GRH / IPv6 header */
udh->grh.traffic_class = grh->traffic_class;
udh->grh.flow_label = grh->flow_label;
udh->grh.hop_limit = grh->hop_limit;
//.........这里部分代码省略.........
开发者ID:ReneNyffenegger，项目名称:linux，代码行数:101，代码来源:qedr_roce_cm.c
示例10: phonet_rcv
/*
* Stuff received packets to associated sockets.
* On error, returns non-zero and releases the skb.
*/
static int phonet_rcv(struct sk_buff *skb, struct net_device *dev,
struct packet_type *pkttype,
struct net_device *orig_dev)
{
struct net *net = dev_net(dev);
struct phonethdr *ph;
struct sockaddr_pn sa;
u16 len;
/* check we have at least a full Phonet header */
if (!pskb_pull(skb, sizeof(struct phonethdr)))
goto out;
/* check that the advertised length is correct */
ph = pn_hdr(skb);
len = get_unaligned_be16(&ph->pn_length);
if (len < 2)
goto out;
len -= 2;
if ((len > skb->len) || pskb_trim(skb, len))
goto out;
skb_reset_transport_header(skb);
pn_skb_get_dst_sockaddr(skb, &sa);
/* check if this is broadcasted */
if (pn_sockaddr_get_addr(&sa) == PNADDR_BROADCAST) {
pn_deliver_sock_broadcast(net, skb);
goto out;
}
/* check if we are the destination */
if (phonet_address_lookup(net, pn_sockaddr_get_addr(&sa)) == 0) {
/* Phonet packet input */
struct sock *sk = pn_find_sock_by_sa(net, &sa);
if (sk)
return sk_receive_skb(sk, skb, 0);
if (can_respond(skb)) {
send_obj_unreachable(skb);
send_reset_indications(skb);
}
} else if (unlikely(skb->pkt_type == PACKET_LOOPBACK))
goto out; /* Race between address deletion and loopback */
else {
/* Phonet packet routing */
struct net_device *out_dev;
out_dev = phonet_route_output(net, pn_sockaddr_get_addr(&sa));
if (!out_dev) {
LIMIT_NETDEBUG(KERN_WARNING"No Phonet route to %02X\n",
pn_sockaddr_get_addr(&sa));
goto out;
}
__skb_push(skb, sizeof(struct phonethdr));
skb->dev = out_dev;
if (out_dev == dev) {
LIMIT_NETDEBUG(KERN_ERR"Phonet loop to %02X on %s\n",
pn_sockaddr_get_addr(&sa), dev->name);
goto out_dev;
}
/* Some drivers (e.g. TUN) do not allocate HW header space */
if (skb_cow_head(skb, out_dev->hard_header_len))
goto out_dev;
if (dev_hard_header(skb, out_dev, ETH_P_PHONET, NULL, NULL,
skb->len) < 0)
goto out_dev;
dev_queue_xmit(skb);
dev_put(out_dev);
return NET_RX_SUCCESS;
out_dev:
dev_put(out_dev);
}
out:
kfree_skb(skb);
return NET_RX_DROP;
}
开发者ID:Jb2005，项目名称:SamSung-Galaxy-Tab-10.1-Model-GT-P7510，代码行数:85，代码来源:af_phonet.c
示例11: WIFI_write
ssize_t WIFI_write(struct file *filp, const char __user *buf, size_t count, loff_t *f_pos)
{
int retval = -EIO;
struct net_device *netdev = NULL;
char local[12] = {0};
int wait_cnt = 0;
down(&wr_mtx);
if (count <= 0) {
WIFI_ERR_FUNC("WIFI_write invalid param\n");
goto done;
}
if (0 == copy_from_user(local, buf, (count > sizeof(local)) ? sizeof(local) : count)) {
local[11] = 0;
WIFI_INFO_FUNC("WIFI_write %s\n", local);
if (local[0] == '0') {
if (powered == 0) {
WIFI_INFO_FUNC("WIFI is already power off!\n");
retval = count;
goto done;
} else {
/* WIFI FUNCTION OFF */
WIFI_func_ctrl(0);
WIFI_INFO_FUNC("WMT turn off WIFI OK!\n");
powered = 0;
retval = count;
}
}
else if (local[0] == '1') {
/* WIFI FUNCTION ON */
if (powered == 1) {
WIFI_INFO_FUNC("WIFI is already power on!\n");
retval = count;
goto done;
} else {
WIFI_func_ctrl(1);
WIFI_INFO_FUNC("WMT turn on WIFI success!\n");
powered = 1;
retval = count;
}
}
else if (local[0] == 'S' || local[0] == 'P' || local[0] == 'A') {
if (powered == 0) {
WIFI_func_ctrl(1);
WIFI_INFO_FUNC("WMT turn on WIFI success!\n");
powered = 1;
}
/* Polling NET DEV if exist */
netdev = dev_get_by_name(&init_net, WLAN_IFACE_NAME);
while (netdev == NULL && wait_cnt < 10) {
WIFI_ERR_FUNC("Fail to get wlan0 net device, sleep %d ms(%d)\n", WLAN_QUERYDEV_TIME,wait_cnt);
msleep(WLAN_QUERYDEV_TIME);
wait_cnt++;
netdev = dev_get_by_name(&init_net, WLAN_IFACE_NAME);
}
if (wait_cnt >= 10) {
WIFI_ERR_FUNC("Get wlan0 net device timeout\n");
goto done;
}
WIFI_INFO_FUNC("wlan0 net device created\n");
dev_put(netdev);
netdev = NULL;
}
}
done:
if (netdev != NULL){
dev_put(netdev);
}
up(&wr_mtx);
return (retval);
}
开发者ID:23171580，项目名称:ralink，代码行数:74，代码来源:mt_wifi_chrdev.c
示例12: dn_def_dev_handler
static int dn_def_dev_handler(struct ctl_table *table, int write,
void __user *buffer,
size_t *lenp, loff_t *ppos)
{
size_t len;
struct net_device *dev;
char devname[17];
if (!*lenp || (*ppos && !write)) {
*lenp = 0;
return 0;
}
if (write) {
if (*lenp > 16)
return -E2BIG;
if (copy_from_user(devname, buffer, *lenp))
return -EFAULT;
devname[*lenp] = 0;
strip_it(devname);
dev = dev_get_by_name(&init_net, devname);
if (dev == NULL)
return -ENODEV;
if (dev->dn_ptr == NULL) {
dev_put(dev);
return -ENODEV;
}
if (dn_dev_set_default(dev, 1)) {
dev_put(dev);
return -ENODEV;
}
*ppos += *lenp;
return 0;
}
dev = dn_dev_get_default();
if (dev == NULL) {
*lenp = 0;
return 0;
}
strcpy(devname, dev->name);
dev_put(dev);
len = strlen(devname);
devname[len++] = '\n';
if (len > *lenp) len = *lenp;
if (copy_to_user(buffer, devname, len))
return -EFAULT;
*lenp = len;
*ppos += len;
return 0;
}
开发者ID:AshishNamdev，项目名称:linux，代码行数:62，代码来源:sysctl_net_decnet.c
示例13: br_ioctl_device
static int br_ioctl_device(struct net_bridge *br,
unsigned int cmd,
unsigned long arg0,
unsigned long arg1,
unsigned long arg2)
{
if (br == NULL)
return -EINVAL;
switch (cmd)
{
case BRCTL_ADD_IF:
case BRCTL_DEL_IF:
{
struct net_device *dev;
int ret;
dev = dev_get_by_index(arg0);
if (dev == NULL)
return -EINVAL;
if (cmd == BRCTL_ADD_IF)
ret = br_add_if(br, dev);
else
ret = br_del_if(br, dev);
dev_put(dev);
return ret;
}
case BRCTL_GET_BRIDGE_INFO:
{
struct __bridge_info b;
memset(&b, 0, sizeof(struct __bridge_info));
memcpy(&b.designated_root, &br->designated_root, 8);
memcpy(&b.bridge_id, &br->bridge_id, 8);
b.root_path_cost = br->root_path_cost;
b.max_age = br->max_age;
b.hello_time = br->hello_time;
b.forward_delay = br->forward_delay;
b.bridge_max_age = br->bridge_max_age;
b.bridge_hello_time = br->bridge_hello_time;
b.bridge_forward_delay = br->bridge_forward_delay;
b.topology_change = br->topology_change;
b.topology_change_detected = br->topology_change_detected;
b.root_port = br->root_port;
b.stp_enabled = br->stp_enabled;
b.ageing_time = br->ageing_time;
b.gc_interval = br->gc_interval;
b.hello_timer_value = br_timer_get_residue(&br->hello_timer);
b.tcn_timer_value = br_timer_get_residue(&br->tcn_timer);
b.topology_change_timer_value = br_timer_get_residue(&br->topology_change_timer);
b.gc_timer_value = br_timer_get_residue(&br->gc_timer);
if (copy_to_user((void *)arg0, &b, sizeof(b)))
return -EFAULT;
return 0;
}
case BRCTL_GET_PORT_LIST:
{
int i;
int indices[256];
for (i=0;i<256;i++)
indices[i] = 0;
br_get_port_ifindices(br, indices);
if (copy_to_user((void *)arg0, indices, 256*sizeof(int)))
return -EFAULT;
return 0;
}
case BRCTL_SET_BRIDGE_FORWARD_DELAY:
br->bridge_forward_delay = arg0;
if (br_is_root_bridge(br))
br->forward_delay = arg0;
return 0;
case BRCTL_SET_BRIDGE_HELLO_TIME:
br->bridge_hello_time = arg0;
if (br_is_root_bridge(br))
br->hello_time = arg0;
return 0;
case BRCTL_SET_BRIDGE_MAX_AGE:
br->bridge_max_age = arg0;
if (br_is_root_bridge(br))
br->max_age = arg0;
return 0;
case BRCTL_SET_AGEING_TIME:
br->ageing_time = arg0;
return 0;
case BRCTL_SET_GC_INTERVAL:
br->gc_interval = arg0;
//.........这里部分代码省略.........
开发者ID:iwangv，项目名称:edimax-br-6528n，代码行数:101，代码来源:br_ioctl.c
示例14: route6_oif
static unsigned int
route6_oif(const struct ip6t_route_target_info *route_info,
struct sk_buff *skb)
{
unsigned int ifindex = 0;
struct net_device *dev_out = NULL;
/* The user set the interface name to use.
* Getting the current interface index.
*/
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
if ((dev_out = dev_get_by_name(&init_net, route_info->oif))) {
#else
if ((dev_out = dev_get_by_name(route_info->oif))) {
#endif
ifindex = dev_out->ifindex;
} else {
/* Unknown interface name : packet dropped */
if (net_ratelimit())
DEBUGP("ip6t_ROUTE: oif interface %s not found\n", route_info->oif);
if (route_info->flags & IP6T_ROUTE_CONTINUE)
return IP6T_CONTINUE;
else
return NF_DROP;
}
/* Trying the standard way of routing packets */
if (route6(skb, ifindex, route_info)) {
dev_put(dev_out);
if (route_info->flags & IP6T_ROUTE_CONTINUE)
return IP6T_CONTINUE;
ip_direct_send(skb);
return NF_STOLEN;
} else
return NF_DROP;
}
static unsigned int
route6_gw(const struct ip6t_route_target_info *route_info,
struct sk_buff *skb)
{
if (route6(skb, 0, route_info)) {
if (route_info->flags & IP6T_ROUTE_CONTINUE)
return IP6T_CONTINUE;
ip_direct_send(skb);
return NF_STOLEN;
} else
return NF_DROP;
}
static unsigned int
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
target(struct sk_buff **pskb,
unsigned int hooknum,
const struct net_device *in,
const struct net_device *out,
const void *targinfo,
void *userinfo)
#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
target(struct sk_buff **pskb,
const struct net_device *in,
const struct net_device *out,
unsigned int hooknum,
const void *targinfo,
void *userinfo)
#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
target(struct sk_buff **pskb,
const struct net_device *in,
const struct net_device *out,
unsigned int hooknum,
const struct xt_target *target,
const void *targinfo,
void *userinfo)
#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
target(struct sk_buff **pskb,
const struct net_device *in,
const struct net_device *out,
unsigned int hooknum,
const struct xt_target *target,
const void *targinfo)
#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
target(struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
unsigned int hooknum,
const struct xt_target *target,
const void *targinfo)
#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,36)
target(struct sk_buff *skb,
const struct xt_target_param *par)
#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36) */
target(struct sk_buff *skb,
const struct xt_action_param *par)
#endif
{
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
//.........这里部分代码省略.........
开发者ID:3sOx，项目名称:asuswrt-merlin，代码行数:101，代码来源:ip6t_ROUTE.c
示例15: schar_write_2
static ssize_t schar_write_2(struct file *file, const char *buf, size_t count,
loff_t *offset)
{
/* structured after af_packet.c by S. Durkin */
int len;
int err;
static struct net_device *dev;
static struct sk_buff *skb;
static unsigned short proto=0;
// printk(KERN_INFO " LSD: write length %d \n",count);
// sbuf=kmalloc(9000,GFP_KERNEL);
len=count;
dev=dev_get_by_name("eth2");
err=-ENODEV;
if (dev == NULL)
goto out_unlock;
/*
* You may not queue a frame bigger than the mtu. This is the lowest level
* raw protocol and you must do your own fragmentation at this level.
*/
err = -EMSGSIZE;
if(len>dev->mtu+dev->hard_header_len)
goto out_unlock;
err = -ENOBUFS;
// skb = sock_wmalloc(sk, len+dev->hard_header_len+15, 0, GFP_KERNEL);
skb=dev_alloc_skb(len+dev->hard_header_len+15);
/*
* If the write buffer is full, then tough. At this level the user gets to
* deal with the problem - do your own algorithmic backoffs. That's far
* more flexible.
*/
if (skb == NULL)
goto out_unlock;
/*
* Fill it in
*/
/* FIXME: Save some space for broken drivers that write a
* hard header at transmission time by themselves. PPP is the
* notable one here. This should really be fixed at the driver level.
*/
skb_reserve(skb,(dev->hard_header_len+15)&~15);
skb->nh.raw = skb->data;
proto=htons(ETH_P_ALL);
/* if (dev->hard_header) {
int res;
err = -EINVAL;
addr=NULL;
res = dev->hard_header(skb, dev, ntohs(proto), addr, NULL, len);
skb->tail = skb->data;
skb->len = 0;
} */
skb->tail = skb->data;
skb->len = 0;
/* Try to align data part correctly */
/* if (dev->hard_header) {
skb->data -= dev->hard_header_len;
skb->tail -= dev->hard_header_len;
} */
// printk(KERN_INFO " header length %d \n",dev->hard_header_len);
/* Returns -EFAULT on error */
// err = memcpy_fromiovec(skb_put(skb,len), msg->msg_iov, len);
err = copy_from_user(skb_put(skb,len),buf, count);
// err = memcpy_fromio(skb_put(skb,len),sbuf,len);
// printk(KERN_INFO " lsd: len count %d %d %02x \n",len,count,*(skb->data+98)&0xff);
skb->protocol = htons(ETH_P_ALL);
skb->dev = dev;
skb->priority = 0;
// skb->pkt_type=PACKET_MR_PROMISC;
skb->ip_summed=CHECKSUM_UNNECESSARY;
if (err)
goto out_free;
err = -ENETDOWN;
if (!(dev->flags & IFF_UP))
goto out_free;
/*
* Now send it
*/
dev_queue_xmit(skb);
dev_put(dev);
// printk(KERN_INFO " lsd: len count %d %d %02x \n",len,count,*(skb->data+98)&0xff);
// for(i=120;i<160;i++)printk(KERN_INFO " %02x",*(skb->data+i)&0xff);
// printk(KERN_INFO "\n");
// kfree(sbuf);
//.........这里部分代码省略.........
开发者ID:andrewpeck，项目名称:emu，代码行数:101，代码来源:eth_hook_2.c
示例16: sock_setsockopt
//.........这里部分代码省略.........
sock_reset_flag(sk, SOCK_RCVTSTAMP);
break;
case SO_RCVLOWAT:
if (val < 0)
val = INT_MAX;
sk->sk_rcvlowat = val ? : 1;
break;
case SO_RCVTIMEO:
ret = sock_set_timeout(&sk->sk_rcvtimeo, optval, optlen);
break;
case SO_SNDTIMEO:
ret = sock_set_timeout(&sk->sk_sndtimeo, optval, optlen);
break;
#ifdef CONFIG_NETDEVICES
case SO_BINDTODEVICE:
{
char devname[IFNAMSIZ];
/* Sorry... */
if (!capable(CAP_NET_RAW)) {
ret = -EPERM;
break;
}
/* Bind this socket to a particular device like "eth0",
* as specified in the passed interface name. If the
* name is "" or the option length is zero the socket
* is not bound.
*/
if (!valbool) {
sk->sk_bound_dev_if = 0;
} else {
if (optlen > IFNAMSIZ - 1)
optlen = IFNAMSIZ - 1;
memset(devname, 0, sizeof(devname));
if (copy_from_user(devname, optval, optlen)) {
ret = -EFAULT;
break;
}
/* Remove any cached route for this socket. */
sk_dst_reset(sk);
if (devname[0] == '\0') {
sk->sk_bound_dev_if = 0;
} else {
struct net_device *dev = dev_get_by_name(devname);
if (!dev) {
ret = -ENODEV;
break;
}
sk->sk_bound_dev_if = dev->ifindex;
dev_put(dev);
}
}
break;
}
#endif
case SO_ATTACH_FILTER:
ret = -EINVAL;
if (optlen == sizeof(struct sock_fprog)) {
struct sock_fprog fprog;
ret = -EFAULT;
if (copy_from_user(&fprog, optval, sizeof(fprog)))
break;
ret = sk_attach_filter(&fprog, sk);
}
break;
case SO_DETACH_FILTER:
spin_lock_bh(&sk->sk_lock.slock);
filter = sk->sk_filter;
if (filter) {
sk->sk_filter = NULL;
spin_unlock_bh(&sk->sk_lock.slock);
sk_filter_release(sk, filter);
break;
}
spin_unlock_bh(&sk->sk_lock.slock);
ret = -ENONET;
break;
/* We implement the SO_SNDLOWAT etc to
not be settable (1003.1g 5.3) */
default:
ret = -ENOPROTOOPT;
break;
}
release_sock(sk);
return ret;
}
开发者ID:KrisChaplin，项目名称:LRT2x4_v1.0.2.06_GPL_source，代码行数:101，代码来源:sock.c
示例17: dump_common_audit_data
//.........这里部分代码省略.........
inet->inet_sport,
"laddr", "lport");
print_ipv4_addr(ab, inet->inet_daddr,
inet->inet_dport,
"faddr", "fport");
break;
}
#if IS_ENABLED(CONFIG_IPV6)
case AF_INET6: {
struct inet_sock *inet = inet_sk(sk);
print_ipv6_addr(ab, &sk->sk_v6_rcv_saddr,
inet->inet_sport,
"laddr", "lport");
print_ipv6_addr(ab, &sk->sk_v6_daddr,
inet->inet_dport,
"faddr", "fport");
break;
}
#endif
case AF_UNIX:
u = unix_sk(sk);
addr = smp_load_acquire(&u->addr);
if (!addr)
break;
if (u->path.dentry) {
audit_log_d_path(ab, " path=", &u->path);
break;
}
len = addr->len-sizeof(short);
p = &addr->name->sun_path[0];
audit_log_format(ab, " path=");
if (*p)
audit_log_untrustedstring(ab, p);
else
audit_log_n_hex(ab, p, len);
break;
}
}
switch (a->u.net->family) {
case AF_INET:
print_ipv4_addr(ab, a->u.net->v4info.saddr,
a->u.net->sport,
"saddr", "src");
print_ipv4_addr(ab, a->u.net->v4info.daddr,
a->u.net->dport,
"daddr", "dest");
break;
case AF_INET6:
print_ipv6_addr(ab, &a->u.net->v6info.saddr,
a->u.net->sport,
"saddr", "src");
print_ipv6_addr(ab, &a->u.net->v6info.daddr,
a->u.net->dport,
"daddr", "dest");
break;
}
if (a->u.net->netif > 0) {
struct net_device *dev;
/* NOTE: we always use init's namespace */
dev = dev_get_by_index(&init_net, a->u.net->netif);
if (dev) {
audit_log_format(ab, " netif=%s", dev->name);
dev_put(dev);
}
}
break;
#ifdef CONFIG_KEYS
case LSM_AUDIT_DATA_KEY:
audit_log_format(ab, " key_serial=%u", a->u.key_struct.key);
if (a->u.key_struct.key_desc) {
audit_log_format(ab, " key_desc=");
audit_log_untrustedstring(ab, a->u.key_struct.key_desc);
}
break;
#endif
case LSM_AUDIT_DATA_KMOD:
audit_log_format(ab, " kmod=");
audit_log_untrustedstring(ab, a->u.kmod_name);
break;
case LSM_AUDIT_DATA_IBPKEY: {
struct in6_addr sbn_pfx;
memset(&sbn_pfx.s6_addr, 0,
sizeof(sbn_pfx.s6_addr));
memcpy(&sbn_pfx.s6_addr, &a->u.ibpkey->subnet_prefix,
sizeof(a->u.ibpkey->subnet_prefix));
audit_log_format(ab, " pkey=0x%x subnet_prefix=%pI6c",
a->u.ibpkey->pkey, &sbn_pfx);
break;
}
case LSM_AUDIT_DATA_IBENDPORT:
audit_log_format(ab, " device=%s port_num=%u",
a->u.ibendport->dev_name,
a->u.ibendport->port);
break;
} /* switch (a->type) */
}
开发者ID:AlexShiLucky，项目名称:linux，代码行数:101，代码来源:lsm_audit.c
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