Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
igmp: Avoid zero delay when receiving odd mixture of IGMP queries
netdev: make net_device_ops const
bcm63xx: make ethtool_ops const
usbnet: make ethtool_ops const
net: Fix build with INET disabled.
net: introduce netif_addr_lock_nested() and call if when appropriate
net: correct lock name in dev_[uc/mc]_sync documentations.
net: sk_update_clone is only used in net/core/sock.c
8139cp: fix missing napi_gro_flush.
pktgen: set correct max and min in pktgen_setup_inject()
smsc911x: Unconditionally include linux/smscphy.h in smsc911x.h
asix: fix infinite loop in rx_fixup()
net: Default UDP and UNIX diag to 'n'.
r6040: fix typo in use of MCR0 register bits
net: fix sock_clone reference mismatch with tcp memcontrol
diff --git a/drivers/net/ethernet/broadcom/bcm63xx_enet.c b/drivers/net/ethernet/broadcom/bcm63xx_enet.c
index a11a8ad..d44331e 100644
--- a/drivers/net/ethernet/broadcom/bcm63xx_enet.c
+++ b/drivers/net/ethernet/broadcom/bcm63xx_enet.c
@@ -1469,7 +1469,7 @@
return 0;
}
-static struct ethtool_ops bcm_enet_ethtool_ops = {
+static const struct ethtool_ops bcm_enet_ethtool_ops = {
.get_strings = bcm_enet_get_strings,
.get_sset_count = bcm_enet_get_sset_count,
.get_ethtool_stats = bcm_enet_get_ethtool_stats,
diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c
index 6c46753..a6bcdb5 100644
--- a/drivers/net/ethernet/emulex/benet/be_main.c
+++ b/drivers/net/ethernet/emulex/benet/be_main.c
@@ -3080,7 +3080,7 @@
return status;
}
-static struct net_device_ops be_netdev_ops = {
+static const struct net_device_ops be_netdev_ops = {
.ndo_open = be_open,
.ndo_stop = be_close,
.ndo_start_xmit = be_xmit,
diff --git a/drivers/net/ethernet/rdc/r6040.c b/drivers/net/ethernet/rdc/r6040.c
index 87aa439..cb0eca8 100644
--- a/drivers/net/ethernet/rdc/r6040.c
+++ b/drivers/net/ethernet/rdc/r6040.c
@@ -1160,7 +1160,7 @@
lp->dev = dev;
/* Init RDC private data */
- lp->mcr0 = MCR0_XMTEN | MCR0;
+ lp->mcr0 = MCR0_XMTEN | MCR0_RCVEN;
/* The RDC-specific entries in the device structure. */
dev->netdev_ops = &r6040_netdev_ops;
diff --git a/drivers/net/ethernet/realtek/8139cp.c b/drivers/net/ethernet/realtek/8139cp.c
index cc6b391..abc7907 100644
--- a/drivers/net/ethernet/realtek/8139cp.c
+++ b/drivers/net/ethernet/realtek/8139cp.c
@@ -563,6 +563,7 @@
if (cpr16(IntrStatus) & cp_rx_intr_mask)
goto rx_status_loop;
+ napi_gro_flush(napi);
spin_lock_irqsave(&cp->lock, flags);
__napi_complete(napi);
cpw16_f(IntrMask, cp_intr_mask);
diff --git a/drivers/net/ethernet/smsc/smsc911x.h b/drivers/net/ethernet/smsc/smsc911x.h
index 938ecf2..9ad5e5d 100644
--- a/drivers/net/ethernet/smsc/smsc911x.h
+++ b/drivers/net/ethernet/smsc/smsc911x.h
@@ -401,8 +401,6 @@
#include <asm/smsc911x.h>
#endif
-#ifdef CONFIG_SMSC_PHY
#include <linux/smscphy.h>
-#endif
#endif /* __SMSC911X_H__ */
diff --git a/drivers/net/ethernet/tile/tilepro.c b/drivers/net/ethernet/tile/tilepro.c
index 6b75063..d9951af 100644
--- a/drivers/net/ethernet/tile/tilepro.c
+++ b/drivers/net/ethernet/tile/tilepro.c
@@ -2260,8 +2260,7 @@
return 0;
}
-
-static struct net_device_ops tile_net_ops = {
+static const struct net_device_ops tile_net_ops = {
.ndo_open = tile_net_open,
.ndo_stop = tile_net_stop,
.ndo_start_xmit = tile_net_tx,
diff --git a/drivers/net/usb/asix.c b/drivers/net/usb/asix.c
index 1ff7163..d0937c4 100644
--- a/drivers/net/usb/asix.c
+++ b/drivers/net/usb/asix.c
@@ -376,7 +376,7 @@
skb_pull(skb, (size + 1) & 0xfffe);
- if (skb->len == 0)
+ if (skb->len < sizeof(header))
break;
head = (u8 *) skb->data;
@@ -1152,7 +1152,7 @@
return 0;
}
-static struct ethtool_ops ax88178_ethtool_ops = {
+static const struct ethtool_ops ax88178_ethtool_ops = {
.get_drvinfo = asix_get_drvinfo,
.get_link = asix_get_link,
.get_msglevel = usbnet_get_msglevel,
diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c
index cb8e595..3a539a9 100644
--- a/drivers/net/usb/cdc_ncm.c
+++ b/drivers/net/usb/cdc_ncm.c
@@ -138,7 +138,7 @@
static void cdc_ncm_tx_timeout(unsigned long arg);
static const struct driver_info cdc_ncm_info;
static struct usb_driver cdc_ncm_driver;
-static struct ethtool_ops cdc_ncm_ethtool_ops;
+static const struct ethtool_ops cdc_ncm_ethtool_ops;
static const struct usb_device_id cdc_devs[] = {
{ USB_INTERFACE_INFO(USB_CLASS_COMM,
@@ -1220,7 +1220,7 @@
.supports_autosuspend = 1,
};
-static struct ethtool_ops cdc_ncm_ethtool_ops = {
+static const struct ethtool_ops cdc_ncm_ethtool_ops = {
.get_drvinfo = cdc_ncm_get_drvinfo,
.get_link = usbnet_get_link,
.get_msglevel = usbnet_get_msglevel,
diff --git a/drivers/net/usb/ipheth.c b/drivers/net/usb/ipheth.c
index 08a4df2..e84662d 100644
--- a/drivers/net/usb/ipheth.c
+++ b/drivers/net/usb/ipheth.c
@@ -420,7 +420,7 @@
return netif_carrier_ok(dev->net);
}
-static struct ethtool_ops ops = {
+static const struct ethtool_ops ops = {
.get_link = ipheth_ethtool_op_get_link
};
diff --git a/drivers/net/usb/sierra_net.c b/drivers/net/usb/sierra_net.c
index e45dfdc..b59cf20 100644
--- a/drivers/net/usb/sierra_net.c
+++ b/drivers/net/usb/sierra_net.c
@@ -618,7 +618,7 @@
return sierra_net_get_private(dev)->link_up && netif_running(net);
}
-static struct ethtool_ops sierra_net_ethtool_ops = {
+static const struct ethtool_ops sierra_net_ethtool_ops = {
.get_drvinfo = sierra_net_get_drvinfo,
.get_link = sierra_net_get_link,
.get_msglevel = usbnet_get_msglevel,
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 9b296ea..f944591 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -390,7 +390,6 @@
OVER_LIMIT,
};
-#ifdef CONFIG_INET
struct sock;
#ifdef CONFIG_CGROUP_MEM_RES_CTLR_KMEM
void sock_update_memcg(struct sock *sk);
@@ -403,6 +402,5 @@
{
}
#endif /* CONFIG_CGROUP_MEM_RES_CTLR_KMEM */
-#endif /* CONFIG_INET */
#endif /* _LINUX_MEMCONTROL_H */
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 4c06cc0..0eac07c 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -2450,6 +2450,11 @@
spin_lock(&dev->addr_list_lock);
}
+static inline void netif_addr_lock_nested(struct net_device *dev)
+{
+ spin_lock_nested(&dev->addr_list_lock, SINGLE_DEPTH_NESTING);
+}
+
static inline void netif_addr_lock_bh(struct net_device *dev)
{
spin_lock_bh(&dev->addr_list_lock);
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 00d4fa2..d87aa35 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -381,16 +381,25 @@
static bool mem_cgroup_is_root(struct mem_cgroup *memcg);
void sock_update_memcg(struct sock *sk)
{
- /* A socket spends its whole life in the same cgroup */
- if (sk->sk_cgrp) {
- WARN_ON(1);
- return;
- }
if (static_branch(&memcg_socket_limit_enabled)) {
struct mem_cgroup *memcg;
BUG_ON(!sk->sk_prot->proto_cgroup);
+ /* Socket cloning can throw us here with sk_cgrp already
+ * filled. It won't however, necessarily happen from
+ * process context. So the test for root memcg given
+ * the current task's memcg won't help us in this case.
+ *
+ * Respecting the original socket's memcg is a better
+ * decision in this case.
+ */
+ if (sk->sk_cgrp) {
+ BUG_ON(mem_cgroup_is_root(sk->sk_cgrp->memcg));
+ mem_cgroup_get(sk->sk_cgrp->memcg);
+ return;
+ }
+
rcu_read_lock();
memcg = mem_cgroup_from_task(current);
if (!mem_cgroup_is_root(memcg)) {
diff --git a/net/core/dev_addr_lists.c b/net/core/dev_addr_lists.c
index febba51..29c07fe 100644
--- a/net/core/dev_addr_lists.c
+++ b/net/core/dev_addr_lists.c
@@ -427,7 +427,7 @@
*
* Add newly added addresses to the destination device and release
* addresses that have no users left. The source device must be
- * locked by netif_tx_lock_bh.
+ * locked by netif_addr_lock_bh.
*
* This function is intended to be called from the dev->set_rx_mode
* function of layered software devices.
@@ -439,11 +439,11 @@
if (to->addr_len != from->addr_len)
return -EINVAL;
- netif_addr_lock_bh(to);
+ netif_addr_lock_nested(to);
err = __hw_addr_sync(&to->uc, &from->uc, to->addr_len);
if (!err)
__dev_set_rx_mode(to);
- netif_addr_unlock_bh(to);
+ netif_addr_unlock(to);
return err;
}
EXPORT_SYMBOL(dev_uc_sync);
@@ -463,7 +463,7 @@
return;
netif_addr_lock_bh(from);
- netif_addr_lock(to);
+ netif_addr_lock_nested(to);
__hw_addr_unsync(&to->uc, &from->uc, to->addr_len);
__dev_set_rx_mode(to);
netif_addr_unlock(to);
@@ -590,7 +590,7 @@
*
* Add newly added addresses to the destination device and release
* addresses that have no users left. The source device must be
- * locked by netif_tx_lock_bh.
+ * locked by netif_addr_lock_bh.
*
* This function is intended to be called from the ndo_set_rx_mode
* function of layered software devices.
@@ -602,11 +602,11 @@
if (to->addr_len != from->addr_len)
return -EINVAL;
- netif_addr_lock_bh(to);
+ netif_addr_lock_nested(to);
err = __hw_addr_sync(&to->mc, &from->mc, to->addr_len);
if (!err)
__dev_set_rx_mode(to);
- netif_addr_unlock_bh(to);
+ netif_addr_unlock(to);
return err;
}
EXPORT_SYMBOL(dev_mc_sync);
@@ -626,7 +626,7 @@
return;
netif_addr_lock_bh(from);
- netif_addr_lock(to);
+ netif_addr_lock_nested(to);
__hw_addr_unsync(&to->mc, &from->mc, to->addr_len);
__dev_set_rx_mode(to);
netif_addr_unlock(to);
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 449fe0f..65f80c7 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -2024,13 +2024,13 @@
pr_warning("WARNING: Requested queue_map_min (zero-based) (%d) exceeds valid range [0 - %d] for (%d) queues on %s, resetting\n",
pkt_dev->queue_map_min, (ntxq ?: 1) - 1, ntxq,
pkt_dev->odevname);
- pkt_dev->queue_map_min = ntxq - 1;
+ pkt_dev->queue_map_min = (ntxq ?: 1) - 1;
}
if (pkt_dev->queue_map_max >= ntxq) {
pr_warning("WARNING: Requested queue_map_max (zero-based) (%d) exceeds valid range [0 - %d] for (%d) queues on %s, resetting\n",
pkt_dev->queue_map_max, (ntxq ?: 1) - 1, ntxq,
pkt_dev->odevname);
- pkt_dev->queue_map_max = ntxq - 1;
+ pkt_dev->queue_map_max = (ntxq ?: 1) - 1;
}
/* Default to the interface's mac if not explicitly set. */
diff --git a/net/core/sock.c b/net/core/sock.c
index 002939c..5c5af998 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -112,6 +112,7 @@
#include <linux/highmem.h>
#include <linux/user_namespace.h>
#include <linux/jump_label.h>
+#include <linux/memcontrol.h>
#include <asm/uaccess.h>
#include <asm/system.h>
@@ -1272,6 +1273,12 @@
}
EXPORT_SYMBOL(sk_release_kernel);
+static void sk_update_clone(const struct sock *sk, struct sock *newsk)
+{
+ if (mem_cgroup_sockets_enabled && sk->sk_cgrp)
+ sock_update_memcg(newsk);
+}
+
/**
* sk_clone_lock - clone a socket, and lock its clone
* @sk: the socket to clone
@@ -1362,6 +1369,8 @@
sk_set_socket(newsk, NULL);
newsk->sk_wq = NULL;
+ sk_update_clone(sk, newsk);
+
if (newsk->sk_prot->sockets_allocated)
sk_sockets_allocated_inc(newsk);
diff --git a/net/ipv4/Kconfig b/net/ipv4/Kconfig
index 335ca7a..aa2a2c7 100644
--- a/net/ipv4/Kconfig
+++ b/net/ipv4/Kconfig
@@ -408,8 +408,12 @@
def_tristate INET_DIAG
config INET_UDP_DIAG
+ tristate "UDP: socket monitoring interface"
depends on INET_DIAG
- def_tristate INET_DIAG && IPV6
+ default n
+ ---help---
+ Support for UDP socket monitoring interface used by the ss tool.
+ If unsure, say Y.
menuconfig TCP_CONG_ADVANCED
bool "TCP: advanced congestion control"
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index fa057d1..5104bc0 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -880,6 +880,8 @@
* to be intended in a v3 query.
*/
max_delay = IGMPV3_MRC(ih3->code)*(HZ/IGMP_TIMER_SCALE);
+ if (!max_delay)
+ max_delay = 1; /* can't mod w/ 0 */
} else { /* v3 */
if (!pskb_may_pull(skb, sizeof(struct igmpv3_query)))
return;
diff --git a/net/unix/Kconfig b/net/unix/Kconfig
index c2128b1..8b31ab8 100644
--- a/net/unix/Kconfig
+++ b/net/unix/Kconfig
@@ -22,7 +22,7 @@
config UNIX_DIAG
tristate "UNIX: socket monitoring interface"
depends on UNIX
- default UNIX
+ default n
---help---
Support for UNIX socket monitoring interface used by the ss tool.
If unsure, say Y.