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-rw-r--r--drivers/net/ethernet/korina.c8
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/en_netdev.c3
-rw-r--r--drivers/net/ethernet/realtek/r8169.c1
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c4
-rw-r--r--drivers/net/ipvlan/ipvlan.h5
-rw-r--r--drivers/net/ipvlan/ipvlan_core.c60
-rw-r--r--drivers/net/ipvlan/ipvlan_main.c7
-rw-r--r--include/linux/filter.h1
-rw-r--r--include/net/netns/ipv4.h1
-rw-r--r--include/net/tcp.h1
-rw-r--r--net/core/filter.c6
-rw-r--r--net/ipv4/sysctl_net_ipv4.c14
-rw-r--r--net/ipv4/tcp_ipv4.c4
-rw-r--r--net/openvswitch/datapath.c1
-rw-r--r--net/openvswitch/flow.c54
-rw-r--r--net/sched/cls_api.c4
-rw-r--r--net/tipc/socket.c24
17 files changed, 112 insertions, 86 deletions
diff --git a/drivers/net/ethernet/korina.c b/drivers/net/ethernet/korina.c
index cbeea915f026..8037426ec50f 100644
--- a/drivers/net/ethernet/korina.c
+++ b/drivers/net/ethernet/korina.c
@@ -900,10 +900,10 @@ static void korina_restart_task(struct work_struct *work)
DMA_STAT_DONE | DMA_STAT_HALT | DMA_STAT_ERR,
&lp->rx_dma_regs->dmasm);
- korina_free_ring(dev);
-
napi_disable(&lp->napi);
+ korina_free_ring(dev);
+
if (korina_init(dev) < 0) {
printk(KERN_ERR "%s: cannot restart device\n", dev->name);
return;
@@ -1064,12 +1064,12 @@ static int korina_close(struct net_device *dev)
tmp = tmp | DMA_STAT_DONE | DMA_STAT_HALT | DMA_STAT_ERR;
writel(tmp, &lp->rx_dma_regs->dmasm);
- korina_free_ring(dev);
-
napi_disable(&lp->napi);
cancel_work_sync(&lp->restart_task);
+ korina_free_ring(dev);
+
free_irq(lp->rx_irq, dev);
free_irq(lp->tx_irq, dev);
free_irq(lp->ovr_irq, dev);
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
index bcd955339058..edbe200ac2fa 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
@@ -1638,7 +1638,8 @@ int mlx4_en_start_port(struct net_device *dev)
/* Configure tx cq's and rings */
for (t = 0 ; t < MLX4_EN_NUM_TX_TYPES; t++) {
- u8 num_tx_rings_p_up = t == TX ? priv->num_tx_rings_p_up : 1;
+ u8 num_tx_rings_p_up = t == TX ?
+ priv->num_tx_rings_p_up : priv->tx_ring_num[t];
for (i = 0; i < priv->tx_ring_num[t]; i++) {
/* Configure cq */
diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index f9b97f5946f8..44389c90056a 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -326,6 +326,7 @@ enum cfg_version {
static const struct pci_device_id rtl8169_pci_tbl[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8129), 0, 0, RTL_CFG_0 },
{ PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8136), 0, 0, RTL_CFG_2 },
+ { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8161), 0, 0, RTL_CFG_1 },
{ PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8167), 0, 0, RTL_CFG_0 },
{ PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8168), 0, 0, RTL_CFG_1 },
{ PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8169), 0, 0, RTL_CFG_0 },
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
index fda01f770eff..b0344c213752 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
@@ -116,7 +116,7 @@ static int stmmac_mdio_write(struct mii_bus *bus, int phyaddr, int phyreg,
unsigned int mii_address = priv->hw->mii.addr;
unsigned int mii_data = priv->hw->mii.data;
- u32 value = MII_WRITE | MII_BUSY;
+ u32 value = MII_BUSY;
value |= (phyaddr << priv->hw->mii.addr_shift)
& priv->hw->mii.addr_mask;
@@ -126,6 +126,8 @@ static int stmmac_mdio_write(struct mii_bus *bus, int phyaddr, int phyreg,
& priv->hw->mii.clk_csr_mask;
if (priv->plat->has_gmac4)
value |= MII_GMAC4_WRITE;
+ else
+ value |= MII_WRITE;
/* Wait until any existing MII operation is complete */
if (stmmac_mdio_busy_wait(priv->ioaddr, mii_address))
diff --git a/drivers/net/ipvlan/ipvlan.h b/drivers/net/ipvlan/ipvlan.h
index 031093e1c25f..dbfbb33ac66c 100644
--- a/drivers/net/ipvlan/ipvlan.h
+++ b/drivers/net/ipvlan/ipvlan.h
@@ -99,6 +99,11 @@ struct ipvl_port {
int count;
};
+struct ipvl_skb_cb {
+ bool tx_pkt;
+};
+#define IPVL_SKB_CB(_skb) ((struct ipvl_skb_cb *)&((_skb)->cb[0]))
+
static inline struct ipvl_port *ipvlan_port_get_rcu(const struct net_device *d)
{
return rcu_dereference(d->rx_handler_data);
diff --git a/drivers/net/ipvlan/ipvlan_core.c b/drivers/net/ipvlan/ipvlan_core.c
index b4e990743e1d..83ce74acf82d 100644
--- a/drivers/net/ipvlan/ipvlan_core.c
+++ b/drivers/net/ipvlan/ipvlan_core.c
@@ -198,7 +198,7 @@ void ipvlan_process_multicast(struct work_struct *work)
unsigned int mac_hash;
int ret;
u8 pkt_type;
- bool hlocal, dlocal;
+ bool tx_pkt;
__skb_queue_head_init(&list);
@@ -207,8 +207,11 @@ void ipvlan_process_multicast(struct work_struct *work)
spin_unlock_bh(&port->backlog.lock);
while ((skb = __skb_dequeue(&list)) != NULL) {
+ struct net_device *dev = skb->dev;
+ bool consumed = false;
+
ethh = eth_hdr(skb);
- hlocal = ether_addr_equal(ethh->h_source, port->dev->dev_addr);
+ tx_pkt = IPVL_SKB_CB(skb)->tx_pkt;
mac_hash = ipvlan_mac_hash(ethh->h_dest);
if (ether_addr_equal(ethh->h_dest, port->dev->broadcast))
@@ -216,41 +219,45 @@ void ipvlan_process_multicast(struct work_struct *work)
else
pkt_type = PACKET_MULTICAST;
- dlocal = false;
rcu_read_lock();
list_for_each_entry_rcu(ipvlan, &port->ipvlans, pnode) {
- if (hlocal && (ipvlan->dev == skb->dev)) {
- dlocal = true;
+ if (tx_pkt && (ipvlan->dev == skb->dev))
continue;
- }
if (!test_bit(mac_hash, ipvlan->mac_filters))
continue;
-
+ if (!(ipvlan->dev->flags & IFF_UP))
+ continue;
ret = NET_RX_DROP;
len = skb->len + ETH_HLEN;
nskb = skb_clone(skb, GFP_ATOMIC);
- if (!nskb)
- goto acct;
-
- nskb->pkt_type = pkt_type;
- nskb->dev = ipvlan->dev;
- if (hlocal)
- ret = dev_forward_skb(ipvlan->dev, nskb);
- else
- ret = netif_rx(nskb);
-acct:
+ local_bh_disable();
+ if (nskb) {
+ consumed = true;
+ nskb->pkt_type = pkt_type;
+ nskb->dev = ipvlan->dev;
+ if (tx_pkt)
+ ret = dev_forward_skb(ipvlan->dev, nskb);
+ else
+ ret = netif_rx(nskb);
+ }
ipvlan_count_rx(ipvlan, len, ret == NET_RX_SUCCESS, true);
+ local_bh_enable();
}
rcu_read_unlock();
- if (dlocal) {
+ if (tx_pkt) {
/* If the packet originated here, send it out. */
skb->dev = port->dev;
skb->pkt_type = pkt_type;
dev_queue_xmit(skb);
} else {
- kfree_skb(skb);
+ if (consumed)
+ consume_skb(skb);
+ else
+ kfree_skb(skb);
}
+ if (dev)
+ dev_put(dev);
}
}
@@ -470,15 +477,24 @@ out:
}
static void ipvlan_multicast_enqueue(struct ipvl_port *port,
- struct sk_buff *skb)
+ struct sk_buff *skb, bool tx_pkt)
{
if (skb->protocol == htons(ETH_P_PAUSE)) {
kfree_skb(skb);
return;
}
+ /* Record that the deferred packet is from TX or RX path. By
+ * looking at mac-addresses on packet will lead to erronus decisions.
+ * (This would be true for a loopback-mode on master device or a
+ * hair-pin mode of the switch.)
+ */
+ IPVL_SKB_CB(skb)->tx_pkt = tx_pkt;
+
spin_lock(&port->backlog.lock);
if (skb_queue_len(&port->backlog) < IPVLAN_QBACKLOG_LIMIT) {
+ if (skb->dev)
+ dev_hold(skb->dev);
__skb_queue_tail(&port->backlog, skb);
spin_unlock(&port->backlog.lock);
schedule_work(&port->wq);
@@ -537,7 +553,7 @@ static int ipvlan_xmit_mode_l2(struct sk_buff *skb, struct net_device *dev)
} else if (is_multicast_ether_addr(eth->h_dest)) {
ipvlan_skb_crossing_ns(skb, NULL);
- ipvlan_multicast_enqueue(ipvlan->port, skb);
+ ipvlan_multicast_enqueue(ipvlan->port, skb, true);
return NET_XMIT_SUCCESS;
}
@@ -634,7 +650,7 @@ static rx_handler_result_t ipvlan_handle_mode_l2(struct sk_buff **pskb,
*/
if (nskb) {
ipvlan_skb_crossing_ns(nskb, NULL);
- ipvlan_multicast_enqueue(port, nskb);
+ ipvlan_multicast_enqueue(port, nskb, false);
}
}
} else {
diff --git a/drivers/net/ipvlan/ipvlan_main.c b/drivers/net/ipvlan/ipvlan_main.c
index 693ec5b66222..8b0f99300cbc 100644
--- a/drivers/net/ipvlan/ipvlan_main.c
+++ b/drivers/net/ipvlan/ipvlan_main.c
@@ -135,6 +135,7 @@ err:
static void ipvlan_port_destroy(struct net_device *dev)
{
struct ipvl_port *port = ipvlan_port_get_rtnl(dev);
+ struct sk_buff *skb;
dev->priv_flags &= ~IFF_IPVLAN_MASTER;
if (port->mode == IPVLAN_MODE_L3S) {
@@ -144,7 +145,11 @@ static void ipvlan_port_destroy(struct net_device *dev)
}
netdev_rx_handler_unregister(dev);
cancel_work_sync(&port->wq);
- __skb_queue_purge(&port->backlog);
+ while ((skb = __skb_dequeue(&port->backlog)) != NULL) {
+ if (skb->dev)
+ dev_put(skb->dev);
+ kfree_skb(skb);
+ }
kfree(port);
}
diff --git a/include/linux/filter.h b/include/linux/filter.h
index 702314253797..a0934e6c9bab 100644
--- a/include/linux/filter.h
+++ b/include/linux/filter.h
@@ -610,7 +610,6 @@ bool bpf_helper_changes_pkt_data(void *func);
struct bpf_prog *bpf_patch_insn_single(struct bpf_prog *prog, u32 off,
const struct bpf_insn *patch, u32 len);
void bpf_warn_invalid_xdp_action(u32 act);
-void bpf_warn_invalid_xdp_buffer(void);
#ifdef CONFIG_BPF_JIT
extern int bpf_jit_enable;
diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h
index f0cf5a1b777e..0378e88f6fd3 100644
--- a/include/net/netns/ipv4.h
+++ b/include/net/netns/ipv4.h
@@ -110,6 +110,7 @@ struct netns_ipv4 {
int sysctl_tcp_orphan_retries;
int sysctl_tcp_fin_timeout;
unsigned int sysctl_tcp_notsent_lowat;
+ int sysctl_tcp_tw_reuse;
int sysctl_igmp_max_memberships;
int sysctl_igmp_max_msf;
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 207147b4c6b2..6061963cca98 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -252,7 +252,6 @@ extern int sysctl_tcp_wmem[3];
extern int sysctl_tcp_rmem[3];
extern int sysctl_tcp_app_win;
extern int sysctl_tcp_adv_win_scale;
-extern int sysctl_tcp_tw_reuse;
extern int sysctl_tcp_frto;
extern int sysctl_tcp_low_latency;
extern int sysctl_tcp_nometrics_save;
diff --git a/net/core/filter.c b/net/core/filter.c
index e6c412b94dec..1969b3f118c1 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -2972,12 +2972,6 @@ void bpf_warn_invalid_xdp_action(u32 act)
}
EXPORT_SYMBOL_GPL(bpf_warn_invalid_xdp_action);
-void bpf_warn_invalid_xdp_buffer(void)
-{
- WARN_ONCE(1, "Illegal XDP buffer encountered, expect throughput degradation\n");
-}
-EXPORT_SYMBOL_GPL(bpf_warn_invalid_xdp_buffer);
-
static u32 sk_filter_convert_ctx_access(enum bpf_access_type type, int dst_reg,
int src_reg, int ctx_off,
struct bpf_insn *insn_buf,
diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c
index 80bc36b25de2..22cbd61079b5 100644
--- a/net/ipv4/sysctl_net_ipv4.c
+++ b/net/ipv4/sysctl_net_ipv4.c
@@ -433,13 +433,6 @@ static struct ctl_table ipv4_table[] = {
.extra2 = &tcp_adv_win_scale_max,
},
{
- .procname = "tcp_tw_reuse",
- .data = &sysctl_tcp_tw_reuse,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = proc_dointvec
- },
- {
.procname = "tcp_frto",
.data = &sysctl_tcp_frto,
.maxlen = sizeof(int),
@@ -960,6 +953,13 @@ static struct ctl_table ipv4_net_table[] = {
.mode = 0644,
.proc_handler = proc_dointvec,
},
+ {
+ .procname = "tcp_tw_reuse",
+ .data = &init_net.ipv4.sysctl_tcp_tw_reuse,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec
+ },
#ifdef CONFIG_IP_ROUTE_MULTIPATH
{
.procname = "fib_multipath_use_neigh",
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 30d81f533ada..fe9da4fb96bf 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -84,7 +84,6 @@
#include <crypto/hash.h>
#include <linux/scatterlist.h>
-int sysctl_tcp_tw_reuse __read_mostly;
int sysctl_tcp_low_latency __read_mostly;
#ifdef CONFIG_TCP_MD5SIG
@@ -120,7 +119,7 @@ int tcp_twsk_unique(struct sock *sk, struct sock *sktw, void *twp)
and use initial timestamp retrieved from peer table.
*/
if (tcptw->tw_ts_recent_stamp &&
- (!twp || (sysctl_tcp_tw_reuse &&
+ (!twp || (sock_net(sk)->ipv4.sysctl_tcp_tw_reuse &&
get_seconds() - tcptw->tw_ts_recent_stamp > 1))) {
tp->write_seq = tcptw->tw_snd_nxt + 65535 + 2;
if (tp->write_seq == 0)
@@ -2456,6 +2455,7 @@ static int __net_init tcp_sk_init(struct net *net)
net->ipv4.sysctl_tcp_orphan_retries = 0;
net->ipv4.sysctl_tcp_fin_timeout = TCP_FIN_TIMEOUT;
net->ipv4.sysctl_tcp_notsent_lowat = UINT_MAX;
+ net->ipv4.sysctl_tcp_tw_reuse = 0;
return 0;
fail:
diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c
index 2d4c4d3911c0..9c62b6325f7a 100644
--- a/net/openvswitch/datapath.c
+++ b/net/openvswitch/datapath.c
@@ -606,7 +606,6 @@ static int ovs_packet_cmd_execute(struct sk_buff *skb, struct genl_info *info)
rcu_assign_pointer(flow->sf_acts, acts);
packet->priority = flow->key.phy.priority;
packet->mark = flow->key.phy.skb_mark;
- packet->protocol = flow->key.eth.type;
rcu_read_lock();
dp = get_dp_rcu(net, ovs_header->dp_ifindex);
diff --git a/net/openvswitch/flow.c b/net/openvswitch/flow.c
index 08aa926cd5cf..2c0a00f7f1b7 100644
--- a/net/openvswitch/flow.c
+++ b/net/openvswitch/flow.c
@@ -312,7 +312,8 @@ static bool icmp6hdr_ok(struct sk_buff *skb)
* Returns 0 if it encounters a non-vlan or incomplete packet.
* Returns 1 after successfully parsing vlan tag.
*/
-static int parse_vlan_tag(struct sk_buff *skb, struct vlan_head *key_vh)
+static int parse_vlan_tag(struct sk_buff *skb, struct vlan_head *key_vh,
+ bool untag_vlan)
{
struct vlan_head *vh = (struct vlan_head *)skb->data;
@@ -330,7 +331,20 @@ static int parse_vlan_tag(struct sk_buff *skb, struct vlan_head *key_vh)
key_vh->tci = vh->tci | htons(VLAN_TAG_PRESENT);
key_vh->tpid = vh->tpid;
- __skb_pull(skb, sizeof(struct vlan_head));
+ if (unlikely(untag_vlan)) {
+ int offset = skb->data - skb_mac_header(skb);
+ u16 tci;
+ int err;
+
+ __skb_push(skb, offset);
+ err = __skb_vlan_pop(skb, &tci);
+ __skb_pull(skb, offset);
+ if (err)
+ return err;
+ __vlan_hwaccel_put_tag(skb, key_vh->tpid, tci);
+ } else {
+ __skb_pull(skb, sizeof(struct vlan_head));
+ }
return 1;
}
@@ -351,13 +365,13 @@ static int parse_vlan(struct sk_buff *skb, struct sw_flow_key *key)
key->eth.vlan.tpid = skb->vlan_proto;
} else {
/* Parse outer vlan tag in the non-accelerated case. */
- res = parse_vlan_tag(skb, &key->eth.vlan);
+ res = parse_vlan_tag(skb, &key->eth.vlan, true);
if (res <= 0)
return res;
}
/* Parse inner vlan tag. */
- res = parse_vlan_tag(skb, &key->eth.cvlan);
+ res = parse_vlan_tag(skb, &key->eth.cvlan, false);
if (res <= 0)
return res;
@@ -800,29 +814,15 @@ int ovs_flow_key_extract_userspace(struct net *net, const struct nlattr *attr,
if (err)
return err;
- if (ovs_key_mac_proto(key) == MAC_PROTO_NONE) {
- /* key_extract assumes that skb->protocol is set-up for
- * layer 3 packets which is the case for other callers,
- * in particular packets recieved from the network stack.
- * Here the correct value can be set from the metadata
- * extracted above.
- */
- skb->protocol = key->eth.type;
- } else {
- struct ethhdr *eth;
-
- skb_reset_mac_header(skb);
- eth = eth_hdr(skb);
-
- /* Normally, setting the skb 'protocol' field would be
- * handled by a call to eth_type_trans(), but it assumes
- * there's a sending device, which we may not have.
- */
- if (eth_proto_is_802_3(eth->h_proto))
- skb->protocol = eth->h_proto;
- else
- skb->protocol = htons(ETH_P_802_2);
- }
+ /* key_extract assumes that skb->protocol is set-up for
+ * layer 3 packets which is the case for other callers,
+ * in particular packets received from the network stack.
+ * Here the correct value can be set from the metadata
+ * extracted above.
+ * For L2 packet key eth type would be zero. skb protocol
+ * would be set to correct value later during key-extact.
+ */
+ skb->protocol = key->eth.type;
return key_extract(skb, key);
}
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index 3fbba79a4ef0..1ecdf809b5fa 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -148,13 +148,15 @@ static int tc_ctl_tfilter(struct sk_buff *skb, struct nlmsghdr *n)
unsigned long cl;
unsigned long fh;
int err;
- int tp_created = 0;
+ int tp_created;
if ((n->nlmsg_type != RTM_GETTFILTER) &&
!netlink_ns_capable(skb, net->user_ns, CAP_NET_ADMIN))
return -EPERM;
replay:
+ tp_created = 0;
+
err = nlmsg_parse(n, sizeof(*t), tca, TCA_MAX, NULL);
if (err < 0)
return err;
diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index 333c5dae0072..800caaa699a1 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -441,15 +441,19 @@ static void __tipc_shutdown(struct socket *sock, int error)
while ((skb = __skb_dequeue(&sk->sk_receive_queue)) != NULL) {
if (TIPC_SKB_CB(skb)->bytes_read) {
kfree_skb(skb);
- } else {
- if (!tipc_sk_type_connectionless(sk) &&
- sk->sk_state != TIPC_DISCONNECTING) {
- tipc_set_sk_state(sk, TIPC_DISCONNECTING);
- tipc_node_remove_conn(net, dnode, tsk->portid);
- }
- tipc_sk_respond(sk, skb, error);
+ continue;
+ }
+ if (!tipc_sk_type_connectionless(sk) &&
+ sk->sk_state != TIPC_DISCONNECTING) {
+ tipc_set_sk_state(sk, TIPC_DISCONNECTING);
+ tipc_node_remove_conn(net, dnode, tsk->portid);
}
+ tipc_sk_respond(sk, skb, error);
}
+
+ if (tipc_sk_type_connectionless(sk))
+ return;
+
if (sk->sk_state != TIPC_DISCONNECTING) {
skb = tipc_msg_create(TIPC_CRITICAL_IMPORTANCE,
TIPC_CONN_MSG, SHORT_H_SIZE, 0, dnode,
@@ -457,10 +461,8 @@ static void __tipc_shutdown(struct socket *sock, int error)
tsk->portid, error);
if (skb)
tipc_node_xmit_skb(net, skb, dnode, tsk->portid);
- if (!tipc_sk_type_connectionless(sk)) {
- tipc_node_remove_conn(net, dnode, tsk->portid);
- tipc_set_sk_state(sk, TIPC_DISCONNECTING);
- }
+ tipc_node_remove_conn(net, dnode, tsk->portid);
+ tipc_set_sk_state(sk, TIPC_DISCONNECTING);
}
}