C++ (Cpp) NETLINK_CB_PORTID Examples

Example #1

File: nl-mac.c Project: cyberphox/monoev3kernel

static int ieee802154_dump_iface(struct sk_buff *skb,
	struct netlink_callback *cb)
{
	struct net *net = sock_net(skb->sk);
	struct net_device *dev;
	int idx;
	int s_idx = cb->args[0];

	pr_debug("%s\n", __func__);

	idx = 0;
	for_each_netdev(net, dev) {
		if (idx < s_idx || (dev->type != ARPHRD_IEEE802154))
			goto cont;

		if (ieee802154_nl_fill_iface(skb, NETLINK_CB_PORTID(cb->skb),
			cb->nlh->nlmsg_seq, NLM_F_MULTI, dev) < 0)
			break;
cont:
		idx++;
	}
	cb->args[0] = idx;

	return skb->len;
}

Example #2

File: nl-mac.c Project: 174high/compat_wl18xx_origin_from_r8.6

int ieee802154_dump_iface(struct sk_buff *skb, struct netlink_callback *cb)
{
	struct net *net = sock_net(skb->sk);
	struct net_device *dev;
	int idx;
	int s_idx = cb->args[0];

	pr_debug("%s\n", __func__);

	idx = 0;
	for_each_netdev(net, dev) {
		/* Check on mtu is currently a hacked solution because lowpan
		 * and wpan have the same ARPHRD type.
		 */
		if (idx < s_idx || dev->type != ARPHRD_IEEE802154 ||
		    dev->mtu != IEEE802154_MTU)
			goto cont;

		if (ieee802154_nl_fill_iface(skb, NETLINK_CB_PORTID(cb->skb),
					     cb->nlh->nlmsg_seq,
					     NLM_F_MULTI, dev) < 0)
			break;
cont:
		idx++;
	}
	cb->args[0] = idx;

	return skb->len;
}

Example #3

File: netlink.c Project: keeper/backports

static int nfc_genl_send_target(struct sk_buff *msg, struct nfc_target *target,
				struct netlink_callback *cb, int flags)
{
	void *hdr;

	hdr = genlmsg_put(msg, NETLINK_CB_PORTID(cb->skb), cb->nlh->nlmsg_seq,
			  &nfc_genl_family, flags, NFC_CMD_GET_TARGET);
	if (!hdr)
		return -EMSGSIZE;

	genl_dump_check_consistent(cb, hdr, &nfc_genl_family);

	if (nla_put_u32(msg, NFC_ATTR_TARGET_INDEX, target->idx) ||
	    nla_put_u32(msg, NFC_ATTR_PROTOCOLS, target->supported_protocols) ||
	    nla_put_u16(msg, NFC_ATTR_TARGET_SENS_RES, target->sens_res) ||
	    nla_put_u8(msg, NFC_ATTR_TARGET_SEL_RES, target->sel_res))
		goto nla_put_failure;
	if (target->nfcid1_len > 0 &&
	    nla_put(msg, NFC_ATTR_TARGET_NFCID1, target->nfcid1_len,
		    target->nfcid1))
		goto nla_put_failure;
	if (target->sensb_res_len > 0 &&
	    nla_put(msg, NFC_ATTR_TARGET_SENSB_RES, target->sensb_res_len,
		    target->sensb_res))
		goto nla_put_failure;
	if (target->sensf_res_len > 0 &&
	    nla_put(msg, NFC_ATTR_TARGET_SENSF_RES, target->sensf_res_len,
		    target->sensf_res))
		goto nla_put_failure;

	if (target->is_iso15693) {
		if (nla_put_u8(msg, NFC_ATTR_TARGET_ISO15693_DSFID,
			       target->iso15693_dsfid) ||
		    nla_put(msg, NFC_ATTR_TARGET_ISO15693_UID,
			    sizeof(target->iso15693_uid), target->iso15693_uid))
			goto nla_put_failure;
	}

	genlmsg_end(msg, hdr);
	return 0;

nla_put_failure:
	genlmsg_cancel(msg, hdr);
	return -EMSGSIZE;
}

Example #4

File: nl-phy.c Project: EvolutionMod/ath10-lenovo

static int ieee802154_dump_phy_iter(struct wpan_phy *phy, void *_data)
{
	int rc;
	struct dump_phy_data *data = _data;

	pr_debug("%s\n", __func__);

	if (data->idx++ < data->s_idx)
		return 0;

	rc = ieee802154_nl_fill_phy(data->skb,
				    NETLINK_CB_PORTID(data->cb->skb),
				    data->cb->nlh->nlmsg_seq,
				    NLM_F_MULTI,
				    phy);

	if (rc < 0) {
		data->idx--;
		return rc;
	}

	return 0;
}