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-rw-r--r--Documentation/networking/ip-sysctl.txt4
-rw-r--r--drivers/net/ethernet/marvell/mvneta.c61
-rw-r--r--drivers/net/ethernet/ti/cpsw.c28
-rw-r--r--drivers/net/ethernet/tile/tilepro.c77
-rw-r--r--include/linux/netdevice.h20
-rw-r--r--include/linux/tcp.h1
-rw-r--r--include/net/tcp.h4
-rw-r--r--include/uapi/linux/if_link.h1
-rw-r--r--net/Kconfig2
-rw-r--r--net/core/dev.c18
-rw-r--r--net/core/flow_dissector.c6
-rw-r--r--net/core/net-sysfs.c22
-rw-r--r--net/core/rtnetlink.c25
-rw-r--r--net/ipv4/devinet.c5
-rw-r--r--net/ipv4/tcp.c4
-rw-r--r--net/ipv4/tcp_ipv4.c5
-rw-r--r--net/ipv6/tcp_ipv6.c3
17 files changed, 230 insertions, 56 deletions
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index 53cea9bcb14c..36be26b2ef7a 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -440,6 +440,10 @@ tcp_syncookies - BOOLEAN
SYN flood warnings in logs not being really flooded, your server
is seriously misconfigured.
+ If you want to test which effects syncookies have to your
+ network connections you can set this knob to 2 to enable
+ unconditionally generation of syncookies.
+
tcp_fastopen - INTEGER
Enable TCP Fast Open feature (draft-ietf-tcpm-fastopen) to send data
in the opening SYN packet. To use this feature, the client application
diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index 712779fb12b7..9647976d1183 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -79,10 +79,10 @@
#define MVNETA_MAC_ADDR_HIGH 0x2418
#define MVNETA_SDMA_CONFIG 0x241c
#define MVNETA_SDMA_BRST_SIZE_16 4
-#define MVNETA_NO_DESC_SWAP 0x0
#define MVNETA_RX_BRST_SZ_MASK(burst) ((burst) << 1)
#define MVNETA_RX_NO_DATA_SWAP BIT(4)
#define MVNETA_TX_NO_DATA_SWAP BIT(5)
+#define MVNETA_DESC_SWAP BIT(6)
#define MVNETA_TX_BRST_SZ_MASK(burst) ((burst) << 22)
#define MVNETA_PORT_STATUS 0x2444
#define MVNETA_TX_IN_PRGRS BIT(1)
@@ -262,8 +262,7 @@ struct mvneta_port {
* layout of the transmit and reception DMA descriptors, and their
* layout is therefore defined by the hardware design
*/
-struct mvneta_tx_desc {
- u32 command; /* Options used by HW for packet transmitting.*/
+
#define MVNETA_TX_L3_OFF_SHIFT 0
#define MVNETA_TX_IP_HLEN_SHIFT 8
#define MVNETA_TX_L4_UDP BIT(16)
@@ -278,15 +277,6 @@ struct mvneta_tx_desc {
#define MVNETA_TX_L4_CSUM_FULL BIT(30)
#define MVNETA_TX_L4_CSUM_NOT BIT(31)
- u16 reserverd1; /* csum_l4 (for future use) */
- u16 data_size; /* Data size of transmitted packet in bytes */
- u32 buf_phys_addr; /* Physical addr of transmitted buffer */
- u32 reserved2; /* hw_cmd - (for future use, PMT) */
- u32 reserved3[4]; /* Reserved - (for future use) */
-};
-
-struct mvneta_rx_desc {
- u32 status; /* Info about received packet */
#define MVNETA_RXD_ERR_CRC 0x0
#define MVNETA_RXD_ERR_SUMMARY BIT(16)
#define MVNETA_RXD_ERR_OVERRUN BIT(17)
@@ -297,16 +287,57 @@ struct mvneta_rx_desc {
#define MVNETA_RXD_FIRST_LAST_DESC (BIT(26) | BIT(27))
#define MVNETA_RXD_L4_CSUM_OK BIT(30)
+#if defined(__LITTLE_ENDIAN)
+struct mvneta_tx_desc {
+ u32 command; /* Options used by HW for packet transmitting.*/
+ u16 reserverd1; /* csum_l4 (for future use) */
+ u16 data_size; /* Data size of transmitted packet in bytes */
+ u32 buf_phys_addr; /* Physical addr of transmitted buffer */
+ u32 reserved2; /* hw_cmd - (for future use, PMT) */
+ u32 reserved3[4]; /* Reserved - (for future use) */
+};
+
+struct mvneta_rx_desc {
+ u32 status; /* Info about received packet */
u16 reserved1; /* pnc_info - (for future use, PnC) */
u16 data_size; /* Size of received packet in bytes */
+
u32 buf_phys_addr; /* Physical address of the buffer */
u32 reserved2; /* pnc_flow_id (for future use, PnC) */
+
u32 buf_cookie; /* cookie for access to RX buffer in rx path */
u16 reserved3; /* prefetch_cmd, for future use */
u16 reserved4; /* csum_l4 - (for future use, PnC) */
+
+ u32 reserved5; /* pnc_extra PnC (for future use, PnC) */
+ u32 reserved6; /* hw_cmd (for future use, PnC and HWF) */
+};
+#else
+struct mvneta_tx_desc {
+ u16 data_size; /* Data size of transmitted packet in bytes */
+ u16 reserverd1; /* csum_l4 (for future use) */
+ u32 command; /* Options used by HW for packet transmitting.*/
+ u32 reserved2; /* hw_cmd - (for future use, PMT) */
+ u32 buf_phys_addr; /* Physical addr of transmitted buffer */
+ u32 reserved3[4]; /* Reserved - (for future use) */
+};
+
+struct mvneta_rx_desc {
+ u16 data_size; /* Size of received packet in bytes */
+ u16 reserved1; /* pnc_info - (for future use, PnC) */
+ u32 status; /* Info about received packet */
+
+ u32 reserved2; /* pnc_flow_id (for future use, PnC) */
+ u32 buf_phys_addr; /* Physical address of the buffer */
+
+ u16 reserved4; /* csum_l4 - (for future use, PnC) */
+ u16 reserved3; /* prefetch_cmd, for future use */
+ u32 buf_cookie; /* cookie for access to RX buffer in rx path */
+
u32 reserved5; /* pnc_extra PnC (for future use, PnC) */
u32 reserved6; /* hw_cmd (for future use, PnC and HWF) */
};
+#endif
struct mvneta_tx_queue {
/* Number of this TX queue, in the range 0-7 */
@@ -904,9 +935,11 @@ static void mvneta_defaults_set(struct mvneta_port *pp)
/* Default burst size */
val |= MVNETA_TX_BRST_SZ_MASK(MVNETA_SDMA_BRST_SIZE_16);
val |= MVNETA_RX_BRST_SZ_MASK(MVNETA_SDMA_BRST_SIZE_16);
+ val |= MVNETA_RX_NO_DATA_SWAP | MVNETA_TX_NO_DATA_SWAP;
- val |= (MVNETA_RX_NO_DATA_SWAP | MVNETA_TX_NO_DATA_SWAP |
- MVNETA_NO_DESC_SWAP);
+#if defined(__BIG_ENDIAN)
+ val |= MVNETA_DESC_SWAP;
+#endif
/* Assign port SDMA configuration */
mvreg_write(pp, MVNETA_SDMA_CONFIG, val);
diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
index 1cd1c00c089f..f51fcd49f3af 100644
--- a/drivers/net/ethernet/ti/cpsw.c
+++ b/drivers/net/ethernet/ti/cpsw.c
@@ -1424,6 +1424,33 @@ static void cpsw_ndo_tx_timeout(struct net_device *ndev)
}
+static int cpsw_ndo_set_mac_address(struct net_device *ndev, void *p)
+{
+ struct cpsw_priv *priv = netdev_priv(ndev);
+ struct sockaddr *addr = (struct sockaddr *)p;
+ int flags = 0;
+ u16 vid = 0;
+
+ if (!is_valid_ether_addr(addr->sa_data))
+ return -EADDRNOTAVAIL;
+
+ if (priv->data.dual_emac) {
+ vid = priv->slaves[priv->emac_port].port_vlan;
+ flags = ALE_VLAN;
+ }
+
+ cpsw_ale_del_ucast(priv->ale, priv->mac_addr, priv->host_port,
+ flags, vid);
+ cpsw_ale_add_ucast(priv->ale, addr->sa_data, priv->host_port,
+ flags, vid);
+
+ memcpy(priv->mac_addr, addr->sa_data, ETH_ALEN);
+ memcpy(ndev->dev_addr, priv->mac_addr, ETH_ALEN);
+ for_each_slave(priv, cpsw_set_slave_mac, priv);
+
+ return 0;
+}
+
static struct net_device_stats *cpsw_ndo_get_stats(struct net_device *ndev)
{
struct cpsw_priv *priv = netdev_priv(ndev);
@@ -1518,6 +1545,7 @@ static const struct net_device_ops cpsw_netdev_ops = {
.ndo_stop = cpsw_ndo_stop,
.ndo_start_xmit = cpsw_ndo_start_xmit,
.ndo_change_rx_flags = cpsw_ndo_change_rx_flags,
+ .ndo_set_mac_address = cpsw_ndo_set_mac_address,
.ndo_do_ioctl = cpsw_ndo_ioctl,
.ndo_validate_addr = eth_validate_addr,
.ndo_change_mtu = eth_change_mtu,
diff --git a/drivers/net/ethernet/tile/tilepro.c b/drivers/net/ethernet/tile/tilepro.c
index 36435499814b..f66ac2000c00 100644
--- a/drivers/net/ethernet/tile/tilepro.c
+++ b/drivers/net/ethernet/tile/tilepro.c
@@ -31,6 +31,7 @@
#include <linux/in6.h>
#include <linux/timer.h>
#include <linux/io.h>
+#include <linux/u64_stats_sync.h>
#include <asm/checksum.h>
#include <asm/homecache.h>
@@ -156,10 +157,13 @@ struct tile_netio_queue {
* Statistics counters for a specific cpu and device.
*/
struct tile_net_stats_t {
- u32 rx_packets;
- u32 rx_bytes;
- u32 tx_packets;
- u32 tx_bytes;
+ struct u64_stats_sync syncp;
+ u64 rx_packets; /* total packets received */
+ u64 tx_packets; /* total packets transmitted */
+ u64 rx_bytes; /* total bytes received */
+ u64 tx_bytes; /* total bytes transmitted */
+ u64 rx_errors; /* packets truncated or marked bad by hw */
+ u64 rx_dropped; /* packets not for us or intf not up */
};
@@ -218,8 +222,6 @@ struct tile_net_priv {
int network_cpus_count;
/* Credits per network cpu. */
int network_cpus_credits;
- /* Network stats. */
- struct net_device_stats stats;
/* For NetIO bringup retries. */
struct delayed_work retry_work;
/* Quick access to per cpu data. */
@@ -847,6 +849,8 @@ static bool tile_net_poll_aux(struct tile_net_cpu *info, int index)
}
}
+ u64_stats_update_begin(&stats->syncp);
+
if (filter) {
/* ISSUE: Update "drop" statistics? */
@@ -881,6 +885,8 @@ static bool tile_net_poll_aux(struct tile_net_cpu *info, int index)
stats->rx_bytes += len;
}
+ u64_stats_update_end(&stats->syncp);
+
/* ISSUE: It would be nice to defer this until the packet has */
/* actually been processed. */
tile_net_return_credit(info);
@@ -1907,8 +1913,10 @@ busy:
kfree_skb(olds[i]);
/* Update stats. */
+ u64_stats_update_begin(&stats->syncp);
stats->tx_packets += num_segs;
stats->tx_bytes += (num_segs * sh_len) + d_len;
+ u64_stats_update_end(&stats->syncp);
/* Make sure the egress timer is scheduled. */
tile_net_schedule_egress_timer(info);
@@ -2089,8 +2097,10 @@ busy:
kfree_skb(olds[i]);
/* HACK: Track "expanded" size for short packets (e.g. 42 < 60). */
+ u64_stats_update_begin(&stats->syncp);
stats->tx_packets++;
stats->tx_bytes += ((len >= ETH_ZLEN) ? len : ETH_ZLEN);
+ u64_stats_update_end(&stats->syncp);
/* Make sure the egress timer is scheduled. */
tile_net_schedule_egress_timer(info);
@@ -2127,30 +2137,51 @@ static int tile_net_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
*
* Returns the address of the device statistics structure.
*/
-static struct net_device_stats *tile_net_get_stats(struct net_device *dev)
+static struct rtnl_link_stats64 *tile_net_get_stats64(struct net_device *dev,
+ struct rtnl_link_stats64 *stats)
{
struct tile_net_priv *priv = netdev_priv(dev);
- u32 rx_packets = 0;
- u32 tx_packets = 0;
- u32 rx_bytes = 0;
- u32 tx_bytes = 0;
+ u64 rx_packets = 0, tx_packets = 0;
+ u64 rx_bytes = 0, tx_bytes = 0;
+ u64 rx_errors = 0, rx_dropped = 0;
int i;
for_each_online_cpu(i) {
- if (priv->cpu[i]) {
- rx_packets += priv->cpu[i]->stats.rx_packets;
- rx_bytes += priv->cpu[i]->stats.rx_bytes;
- tx_packets += priv->cpu[i]->stats.tx_packets;
- tx_bytes += priv->cpu[i]->stats.tx_bytes;
- }
+ struct tile_net_stats_t *cpu_stats;
+ u64 trx_packets, ttx_packets, trx_bytes, ttx_bytes;
+ u64 trx_errors, trx_dropped;
+ unsigned int start;
+
+ if (priv->cpu[i] == NULL)
+ continue;
+ cpu_stats = &priv->cpu[i]->stats;
+
+ do {
+ start = u64_stats_fetch_begin_bh(&cpu_stats->syncp);
+ trx_packets = cpu_stats->rx_packets;
+ ttx_packets = cpu_stats->tx_packets;
+ trx_bytes = cpu_stats->rx_bytes;
+ ttx_bytes = cpu_stats->tx_bytes;
+ trx_errors = cpu_stats->rx_errors;
+ trx_dropped = cpu_stats->rx_dropped;
+ } while (u64_stats_fetch_retry_bh(&cpu_stats->syncp, start));
+
+ rx_packets += trx_packets;
+ tx_packets += ttx_packets;
+ rx_bytes += trx_bytes;
+ tx_bytes += ttx_bytes;
+ rx_errors += trx_errors;
+ rx_dropped += trx_dropped;
}
- priv->stats.rx_packets = rx_packets;
- priv->stats.rx_bytes = rx_bytes;
- priv->stats.tx_packets = tx_packets;
- priv->stats.tx_bytes = tx_bytes;
+ stats->rx_packets = rx_packets;
+ stats->tx_packets = tx_packets;
+ stats->rx_bytes = rx_bytes;
+ stats->tx_bytes = tx_bytes;
+ stats->rx_errors = rx_errors;
+ stats->rx_dropped = rx_dropped;
- return &priv->stats;
+ return stats;
}
@@ -2287,7 +2318,7 @@ static const struct net_device_ops tile_net_ops = {
.ndo_stop = tile_net_stop,
.ndo_start_xmit = tile_net_tx,
.ndo_do_ioctl = tile_net_ioctl,
- .ndo_get_stats = tile_net_get_stats,
+ .ndo_get_stats64 = tile_net_get_stats64,
.ndo_change_mtu = tile_net_change_mtu,
.ndo_tx_timeout = tile_net_tx_timeout,
.ndo_set_mac_address = tile_net_set_mac_address,
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 3ca60b070ef0..875f869dc38a 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -728,6 +728,16 @@ struct netdev_fcoe_hbainfo {
};
#endif
+#define MAX_PHYS_PORT_ID_LEN 32
+
+/* This structure holds a unique identifier to identify the
+ * physical port used by a netdevice.
+ */
+struct netdev_phys_port_id {
+ unsigned char id[MAX_PHYS_PORT_ID_LEN];
+ unsigned char id_len;
+};
+
/*
* This structure defines the management hooks for network devices.
* The following hooks can be defined; unless noted otherwise, they are
@@ -932,6 +942,12 @@ struct netdev_fcoe_hbainfo {
* that determine carrier state from physical hardware properties (eg
* network cables) or protocol-dependent mechanisms (eg
* USB_CDC_NOTIFY_NETWORK_CONNECTION) should NOT implement this function.
+ *
+ * int (*ndo_get_phys_port_id)(struct net_device *dev,
+ * struct netdev_phys_port_id *ppid);
+ * Called to get ID of physical port of this device. If driver does
+ * not implement this, it is assumed that the hw is not able to have
+ * multiple net devices on single physical port.
*/
struct net_device_ops {
int (*ndo_init)(struct net_device *dev);
@@ -1060,6 +1076,8 @@ struct net_device_ops {
struct nlmsghdr *nlh);
int (*ndo_change_carrier)(struct net_device *dev,
bool new_carrier);
+ int (*ndo_get_phys_port_id)(struct net_device *dev,
+ struct netdev_phys_port_id *ppid);
};
/*
@@ -2315,6 +2333,8 @@ extern int dev_set_mac_address(struct net_device *,
struct sockaddr *);
extern int dev_change_carrier(struct net_device *,
bool new_carrier);
+extern int dev_get_phys_port_id(struct net_device *dev,
+ struct netdev_phys_port_id *ppid);
extern int dev_hard_start_xmit(struct sk_buff *skb,
struct net_device *dev,
struct netdev_queue *txq);
diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index 9640803a17a7..d68633452d9b 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -107,7 +107,6 @@ static inline void tcp_clear_options(struct tcp_options_received *rx_opt)
* only four options will fit in a standard TCP header */
#define TCP_NUM_SACKS 4
-struct tcp_cookie_values;
struct tcp_request_sock_ops;
struct tcp_request_sock {
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 18fc999dae3c..27b652f379ef 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -192,10 +192,6 @@ extern void tcp_time_wait(struct sock *sk, int state, int timeo);
#define TCPOLEN_TIMESTAMP 10
#define TCPOLEN_MD5SIG 18
#define TCPOLEN_EXP_FASTOPEN_BASE 4
-#define TCPOLEN_COOKIE_BASE 2 /* Cookie-less header extension */
-#define TCPOLEN_COOKIE_PAIR 3 /* Cookie pair header extension */
-#define TCPOLEN_COOKIE_MIN (TCPOLEN_COOKIE_BASE+TCP_COOKIE_MIN)
-#define TCPOLEN_COOKIE_MAX (TCPOLEN_COOKIE_BASE+TCP_COOKIE_MAX)
/* But this is what stacks really send out. */
#define TCPOLEN_TSTAMP_ALIGNED 12
diff --git a/include/uapi/linux/if_link.h b/include/uapi/linux/if_link.h
index 03f6170ab337..04c0e7a5d484 100644
--- a/include/uapi/linux/if_link.h
+++ b/include/uapi/linux/if_link.h
@@ -143,6 +143,7 @@ enum {
IFLA_NUM_TX_QUEUES,
IFLA_NUM_RX_QUEUES,
IFLA_CARRIER,
+ IFLA_PHYS_PORT_ID,
__IFLA_MAX
};
diff --git a/net/Kconfig b/net/Kconfig
index 37702491abe9..37162eb88f07 100644
--- a/net/Kconfig
+++ b/net/Kconfig
@@ -281,7 +281,7 @@ menu "Network testing"
config NET_PKTGEN
tristate "Packet Generator (USE WITH CAUTION)"
- depends on PROC_FS
+ depends on INET && PROC_FS
---help---
This module will inject preconfigured packets, at a configurable
rate, out of a given interface. It is used for network interface
diff --git a/net/core/dev.c b/net/core/dev.c
index dfd9f5d56ae0..58eb802584b9 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -4989,6 +4989,24 @@ int dev_change_carrier(struct net_device *dev, bool new_carrier)
EXPORT_SYMBOL(dev_change_carrier);
/**
+ * dev_get_phys_port_id - Get device physical port ID
+ * @dev: device
+ * @ppid: port ID
+ *
+ * Get device physical port ID
+ */
+int dev_get_phys_port_id(struct net_device *dev,
+ struct netdev_phys_port_id *ppid)
+{
+ const struct net_device_ops *ops = dev->netdev_ops;
+
+ if (!ops->ndo_get_phys_port_id)
+ return -EOPNOTSUPP;
+ return ops->ndo_get_phys_port_id(dev, ppid);
+}
+EXPORT_SYMBOL(dev_get_phys_port_id);
+
+/**
* dev_new_index - allocate an ifindex
* @net: the applicable net namespace
*
diff --git a/net/core/flow_dissector.c b/net/core/flow_dissector.c
index 00ee068efc1c..ade9ff1c1980 100644
--- a/net/core/flow_dissector.c
+++ b/net/core/flow_dissector.c
@@ -139,7 +139,11 @@ ipv6:
break;
}
case IPPROTO_IPIP:
- goto again;
+ proto = htons(ETH_P_IP);
+ goto ip;
+ case IPPROTO_IPV6:
+ proto = htons(ETH_P_IPV6);
+ goto ipv6;
default:
break;
}
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index 981fed397d1d..8826b0d1e0cc 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -334,6 +334,27 @@ static ssize_t store_group(struct device *dev, struct device_attribute *attr,
return netdev_store(dev, attr, buf, len, change_group);
}
+static ssize_t show_phys_port_id(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct net_device *netdev = to_net_dev(dev);
+ ssize_t ret = -EINVAL;
+
+ if (!rtnl_trylock())
+ return restart_syscall();
+
+ if (dev_isalive(netdev)) {
+ struct netdev_phys_port_id ppid;
+
+ ret = dev_get_phys_port_id(netdev, &ppid);
+ if (!ret)
+ ret = sprintf(buf, "%*phN\n", ppid.id_len, ppid.id);
+ }
+ rtnl_unlock();
+
+ return ret;
+}
+
static struct device_attribute net_class_attributes[] = {
__ATTR(addr_assign_type, S_IRUGO, show_addr_assign_type, NULL),
__ATTR(addr_len, S_IRUGO, show_addr_len, NULL),
@@ -355,6 +376,7 @@ static struct device_attribute net_class_attributes[] = {
__ATTR(tx_queue_len, S_IRUGO | S_IWUSR, show_tx_queue_len,
store_tx_queue_len),
__ATTR(netdev_group, S_IRUGO | S_IWUSR, show_group, store_group),
+ __ATTR(phys_port_id, S_IRUGO, show_phys_port_id, NULL),
{}
};
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 3de740834d1f..0b2972c59b97 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -767,7 +767,8 @@ static noinline size_t if_nlmsg_size(const struct net_device *dev,
+ rtnl_vfinfo_size(dev, ext_filter_mask) /* IFLA_VFINFO_LIST */
+ rtnl_port_size(dev) /* IFLA_VF_PORTS + IFLA_PORT_SELF */
+ rtnl_link_get_size(dev) /* IFLA_LINKINFO */
- + rtnl_link_get_af_size(dev); /* IFLA_AF_SPEC */
+ + rtnl_link_get_af_size(dev) /* IFLA_AF_SPEC */
+ + nla_total_size(MAX_PHYS_PORT_ID_LEN); /* IFLA_PHYS_PORT_ID */
}
static int rtnl_vf_ports_fill(struct sk_buff *skb, struct net_device *dev)
@@ -846,6 +847,24 @@ static int rtnl_port_fill(struct sk_buff *skb, struct net_device *dev)
return 0;
}
+static int rtnl_phys_port_id_fill(struct sk_buff *skb, struct net_device *dev)
+{
+ int err;
+ struct netdev_phys_port_id ppid;
+
+ err = dev_get_phys_port_id(dev, &ppid);
+ if (err) {
+ if (err == -EOPNOTSUPP)
+ return 0;
+ return err;
+ }
+
+ if (nla_put(skb, IFLA_PHYS_PORT_ID, ppid.id_len, ppid.id))
+ return -EMSGSIZE;
+
+ return 0;
+}
+
static int rtnl_fill_ifinfo(struct sk_buff *skb, struct net_device *dev,
int type, u32 pid, u32 seq, u32 change,
unsigned int flags, u32 ext_filter_mask)
@@ -913,6 +932,9 @@ static int rtnl_fill_ifinfo(struct sk_buff *skb, struct net_device *dev,
goto nla_put_failure;
}
+ if (rtnl_phys_port_id_fill(skb, dev))
+ goto nla_put_failure;
+
attr = nla_reserve(skb, IFLA_STATS,
sizeof(struct rtnl_link_stats));
if (attr == NULL)
@@ -1113,6 +1135,7 @@ const struct nla_policy ifla_policy[IFLA_MAX+1] = {
[IFLA_PROMISCUITY] = { .type = NLA_U32 },
[IFLA_NUM_TX_QUEUES] = { .type = NLA_U32 },
[IFLA_NUM_RX_QUEUES] = { .type = NLA_U32 },
+ [IFLA_PHYS_PORT_ID] = { .type = NLA_BINARY, .len = MAX_PHYS_PORT_ID_LEN },
};
EXPORT_SYMBOL(ifla_policy);
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 8d48c392adcc..1b7f7ae8514a 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -1124,10 +1124,7 @@ static int inet_gifconf(struct net_device *dev, char __user *buf, int len)
if (len < (int) sizeof(ifr))
break;
memset(&ifr, 0, sizeof(struct ifreq));
- if (ifa->ifa_label)
- strcpy(ifr.ifr_name, ifa->ifa_label);
- else
- strcpy(ifr.ifr_name, dev->name);
+ strcpy(ifr.ifr_name, ifa->ifa_label);
(*(struct sockaddr_in *)&ifr.ifr_addr).sin_family = AF_INET;
(*(struct sockaddr_in *)&ifr.ifr_addr).sin_addr.s_addr =
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index c27e81392398..ab64eea042fa 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -410,10 +410,6 @@ void tcp_init_sock(struct sock *sk)
icsk->icsk_sync_mss = tcp_sync_mss;
- /* Presumed zeroed, in order of appearance:
- * cookie_in_always, cookie_out_never,
- * s_data_constant, s_data_in, s_data_out
- */
sk->sk_sndbuf = sysctl_tcp_wmem[1];
sk->sk_rcvbuf = sysctl_tcp_rmem[1];
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 2a5d5c469d17..280efe5f19c1 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -890,7 +890,7 @@ bool tcp_syn_flood_action(struct sock *sk,
NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPREQQFULLDROP);
lopt = inet_csk(sk)->icsk_accept_queue.listen_opt;
- if (!lopt->synflood_warned) {
+ if (!lopt->synflood_warned && sysctl_tcp_syncookies != 2) {
lopt->synflood_warned = 1;
pr_info("%s: Possible SYN flooding on port %d. %s. Check SNMP counters.\n",
proto, ntohs(tcp_hdr(skb)->dest), msg);
@@ -1462,7 +1462,8 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
* limitations, they conserve resources and peer is
* evidently real one.
*/
- if (inet_csk_reqsk_queue_is_full(sk) && !isn) {
+ if ((sysctl_tcp_syncookies == 2 ||
+ inet_csk_reqsk_queue_is_full(sk)) && !isn) {
want_cookie = tcp_syn_flood_action(sk, skb, "TCP");
if (!want_cookie)
goto drop;
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index b792e870686b..38c196ca6011 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -963,7 +963,8 @@ static int tcp_v6_conn_request(struct sock *sk, struct sk_buff *skb)
if (!ipv6_unicast_destination(skb))
goto drop;
- if (inet_csk_reqsk_queue_is_full(sk) && !isn) {
+ if ((sysctl_tcp_syncookies == 2 ||
+ inet_csk_reqsk_queue_is_full(sk)) && !isn) {
want_cookie = tcp_syn_flood_action(sk, skb, "TCPv6");
if (!want_cookie)
goto drop;
generated by cgit v1.2.3 (git 2.39.1) at 2025-02-04 03:17:57 +0100