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Diffstat (limited to 'net')
-rw-r--r--net/atm/br2684.c78
-rw-r--r--net/core/dev.c34
-rw-r--r--net/ipv4/inet_connection_sock.c6
-rw-r--r--net/ipv4/raw.c2
-rw-r--r--net/ipv4/tcp_ipv4.c4
-rw-r--r--net/ipv6/sit.c44
-rw-r--r--net/mac80211/wext.c3
-rw-r--r--net/mac80211/wme.c2
-rw-r--r--net/sched/sch_htb.c23
-rw-r--r--net/sctp/associola.c13
-rw-r--r--net/sctp/protocol.c19
11 files changed, 143 insertions, 85 deletions
diff --git a/net/atm/br2684.c b/net/atm/br2684.c
index 9d52ebfc196..05fafdc2eea 100644
--- a/net/atm/br2684.c
+++ b/net/atm/br2684.c
@@ -188,10 +188,13 @@ static int br2684_xmit_vcc(struct sk_buff *skb, struct br2684_dev *brdev,
return 0;
}
}
- } else {
- skb_push(skb, 2);
- if (brdev->payload == p_bridged)
+ } else { /* e_vc */
+ if (brdev->payload == p_bridged) {
+ skb_push(skb, 2);
memset(skb->data, 0, 2);
+ } else { /* p_routed */
+ skb_pull(skb, ETH_HLEN);
+ }
}
skb_debug(skb);
@@ -377,11 +380,8 @@ static void br2684_push(struct atm_vcc *atmvcc, struct sk_buff *skb)
(skb->data + 6, ethertype_ipv4,
sizeof(ethertype_ipv4)) == 0)
skb->protocol = __constant_htons(ETH_P_IP);
- else {
- brdev->stats.rx_errors++;
- dev_kfree_skb(skb);
- return;
- }
+ else
+ goto error;
skb_pull(skb, sizeof(llc_oui_ipv4));
skb_reset_network_header(skb);
skb->pkt_type = PACKET_HOST;
@@ -394,44 +394,56 @@ static void br2684_push(struct atm_vcc *atmvcc, struct sk_buff *skb)
(memcmp(skb->data, llc_oui_pid_pad, 7) == 0)) {
skb_pull(skb, sizeof(llc_oui_pid_pad));
skb->protocol = eth_type_trans(skb, net_dev);
- } else {
- brdev->stats.rx_errors++;
- dev_kfree_skb(skb);
- return;
- }
+ } else
+ goto error;
- } else {
- /* first 2 chars should be 0 */
- if (*((u16 *) (skb->data)) != 0) {
- brdev->stats.rx_errors++;
- dev_kfree_skb(skb);
- return;
+ } else { /* e_vc */
+ if (brdev->payload == p_routed) {
+ struct iphdr *iph;
+
+ skb_reset_network_header(skb);
+ iph = ip_hdr(skb);
+ if (iph->version == 4)
+ skb->protocol = __constant_htons(ETH_P_IP);
+ else if (iph->version == 6)
+ skb->protocol = __constant_htons(ETH_P_IPV6);
+ else
+ goto error;
+ skb->pkt_type = PACKET_HOST;
+ } else { /* p_bridged */
+ /* first 2 chars should be 0 */
+ if (*((u16 *) (skb->data)) != 0)
+ goto error;
+ skb_pull(skb, BR2684_PAD_LEN);
+ skb->protocol = eth_type_trans(skb, net_dev);
}
- skb_pull(skb, BR2684_PAD_LEN + ETH_HLEN); /* pad, dstmac, srcmac, ethtype */
- skb->protocol = eth_type_trans(skb, net_dev);
}
#ifdef CONFIG_ATM_BR2684_IPFILTER
- if (unlikely(packet_fails_filter(skb->protocol, brvcc, skb))) {
- brdev->stats.rx_dropped++;
- dev_kfree_skb(skb);
- return;
- }
+ if (unlikely(packet_fails_filter(skb->protocol, brvcc, skb)))
+ goto dropped;
#endif /* CONFIG_ATM_BR2684_IPFILTER */
skb->dev = net_dev;
ATM_SKB(skb)->vcc = atmvcc; /* needed ? */
pr_debug("received packet's protocol: %x\n", ntohs(skb->protocol));
skb_debug(skb);
- if (unlikely(!(net_dev->flags & IFF_UP))) {
- /* sigh, interface is down */
- brdev->stats.rx_dropped++;
- dev_kfree_skb(skb);
- return;
- }
+ /* sigh, interface is down? */
+ if (unlikely(!(net_dev->flags & IFF_UP)))
+ goto dropped;
brdev->stats.rx_packets++;
brdev->stats.rx_bytes += skb->len;
memset(ATM_SKB(skb), 0, sizeof(struct atm_skb_data));
netif_rx(skb);
+ return;
+
+dropped:
+ brdev->stats.rx_dropped++;
+ goto free_skb;
+error:
+ brdev->stats.rx_errors++;
+free_skb:
+ dev_kfree_skb(skb);
+ return;
}
/*
@@ -518,9 +530,9 @@ static int br2684_regvcc(struct atm_vcc *atmvcc, void __user * arg)
struct sk_buff *next = skb->next;
skb->next = skb->prev = NULL;
+ br2684_push(atmvcc, skb);
BRPRIV(skb->dev)->stats.rx_bytes -= skb->len;
BRPRIV(skb->dev)->stats.rx_packets--;
- br2684_push(atmvcc, skb);
skb = next;
}
diff --git a/net/core/dev.c b/net/core/dev.c
index 58296307787..68d8df0992a 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -119,6 +119,7 @@
#include <linux/err.h>
#include <linux/ctype.h>
#include <linux/if_arp.h>
+#include <linux/if_vlan.h>
#include "net-sysfs.h"
@@ -1362,6 +1363,29 @@ void netif_device_attach(struct net_device *dev)
}
EXPORT_SYMBOL(netif_device_attach);
+static bool can_checksum_protocol(unsigned long features, __be16 protocol)
+{
+ return ((features & NETIF_F_GEN_CSUM) ||
+ ((features & NETIF_F_IP_CSUM) &&
+ protocol == htons(ETH_P_IP)) ||
+ ((features & NETIF_F_IPV6_CSUM) &&
+ protocol == htons(ETH_P_IPV6)));
+}
+
+static bool dev_can_checksum(struct net_device *dev, struct sk_buff *skb)
+{
+ if (can_checksum_protocol(dev->features, skb->protocol))
+ return true;
+
+ if (skb->protocol == htons(ETH_P_8021Q)) {
+ struct vlan_ethhdr *veh = (struct vlan_ethhdr *)skb->data;
+ if (can_checksum_protocol(dev->features & dev->vlan_features,
+ veh->h_vlan_encapsulated_proto))
+ return true;
+ }
+
+ return false;
+}
/*
* Invalidate hardware checksum when packet is to be mangled, and
@@ -1640,14 +1664,8 @@ int dev_queue_xmit(struct sk_buff *skb)
if (skb->ip_summed == CHECKSUM_PARTIAL) {
skb_set_transport_header(skb, skb->csum_start -
skb_headroom(skb));
-
- if (!(dev->features & NETIF_F_GEN_CSUM) &&
- !((dev->features & NETIF_F_IP_CSUM) &&
- skb->protocol == htons(ETH_P_IP)) &&
- !((dev->features & NETIF_F_IPV6_CSUM) &&
- skb->protocol == htons(ETH_P_IPV6)))
- if (skb_checksum_help(skb))
- goto out_kfree_skb;
+ if (!dev_can_checksum(dev, skb) && skb_checksum_help(skb))
+ goto out_kfree_skb;
}
gso:
diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
index 4c804b3c287..5bbf0005151 100644
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -468,9 +468,9 @@ void inet_csk_reqsk_queue_prune(struct sock *parent,
reqp=&lopt->syn_table[i];
while ((req = *reqp) != NULL) {
if (time_after_eq(now, req->expires)) {
- if ((req->retrans < (inet_rsk(req)->acked ? max_retries : thresh)) &&
- (inet_rsk(req)->acked ||
- !req->rsk_ops->rtx_syn_ack(parent, req))) {
+ if ((req->retrans < thresh ||
+ (inet_rsk(req)->acked && req->retrans < max_retries))
+ && !req->rsk_ops->rtx_syn_ack(parent, req)) {
unsigned long timeo;
if (req->retrans++ == 0)
diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index 36035a0c6dc..7d449468409 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -931,7 +931,7 @@ static void raw_sock_seq_show(struct seq_file *seq, struct sock *sp, int i)
srcp = inet->num;
seq_printf(seq, "%4d: %08X:%04X %08X:%04X"
- " %02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %p %d",
+ " %02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %p %d\n",
i, src, srcp, dest, destp, sp->sk_state,
atomic_read(&sp->sk_wmem_alloc),
atomic_read(&sp->sk_rmem_alloc),
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 64b385f6593..0db9b75c1fa 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -83,10 +83,6 @@
int sysctl_tcp_tw_reuse __read_mostly;
int sysctl_tcp_low_latency __read_mostly;
-/* Check TCP sequence numbers in ICMP packets. */
-#define ICMP_MIN_LENGTH 8
-
-void tcp_v4_send_check(struct sock *sk, int len, struct sk_buff *skb);
#ifdef CONFIG_TCP_MD5SIG
static struct tcp_md5sig_key *tcp_v4_md5_do_lookup(struct sock *sk,
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index b0c5080420a..b7a50e96850 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -220,15 +220,18 @@ __ipip6_tunnel_locate_prl(struct ip_tunnel *t, __be32 addr)
}
-static int ipip6_tunnel_get_prl(struct ip_tunnel *t, struct ip_tunnel_prl *a)
+static int ipip6_tunnel_get_prl(struct ip_tunnel *t,
+ struct ip_tunnel_prl __user *a)
{
- struct ip_tunnel_prl *kp;
+ struct ip_tunnel_prl kprl, *kp;
struct ip_tunnel_prl_entry *prl;
unsigned int cmax, c = 0, ca, len;
int ret = 0;
- cmax = a->datalen / sizeof(*a);
- if (cmax > 1 && a->addr != htonl(INADDR_ANY))
+ if (copy_from_user(&kprl, a, sizeof(kprl)))
+ return -EFAULT;
+ cmax = kprl.datalen / sizeof(kprl);
+ if (cmax > 1 && kprl.addr != htonl(INADDR_ANY))
cmax = 1;
/* For simple GET or for root users,
@@ -259,26 +262,25 @@ static int ipip6_tunnel_get_prl(struct ip_tunnel *t, struct ip_tunnel_prl *a)
for (prl = t->prl; prl; prl = prl->next) {
if (c > cmax)
break;
- if (a->addr != htonl(INADDR_ANY) && prl->addr != a->addr)
+ if (kprl.addr != htonl(INADDR_ANY) && prl->addr != kprl.addr)
continue;
kp[c].addr = prl->addr;
kp[c].flags = prl->flags;
c++;
- if (a->addr != htonl(INADDR_ANY))
+ if (kprl.addr != htonl(INADDR_ANY))
break;
}
out:
read_unlock(&ipip6_lock);
len = sizeof(*kp) * c;
- ret = len ? copy_to_user(a->data, kp, len) : 0;
+ ret = 0;
+ if ((len && copy_to_user(a + 1, kp, len)) || put_user(len, &a->datalen))
+ ret = -EFAULT;
kfree(kp);
- if (ret)
- return -EFAULT;
- a->datalen = len;
- return 0;
+ return ret;
}
static int
@@ -871,11 +873,20 @@ ipip6_tunnel_ioctl (struct net_device *dev, struct ifreq *ifr, int cmd)
break;
case SIOCGETPRL:
+ err = -EINVAL;
+ if (dev == sitn->fb_tunnel_dev)
+ goto done;
+ err = -ENOENT;
+ if (!(t = netdev_priv(dev)))
+ goto done;
+ err = ipip6_tunnel_get_prl(t, ifr->ifr_ifru.ifru_data);
+ break;
+
case SIOCADDPRL:
case SIOCDELPRL:
case SIOCCHGPRL:
err = -EPERM;
- if (cmd != SIOCGETPRL && !capable(CAP_NET_ADMIN))
+ if (!capable(CAP_NET_ADMIN))
goto done;
err = -EINVAL;
if (dev == sitn->fb_tunnel_dev)
@@ -888,12 +899,6 @@ ipip6_tunnel_ioctl (struct net_device *dev, struct ifreq *ifr, int cmd)
goto done;
switch (cmd) {
- case SIOCGETPRL:
- err = ipip6_tunnel_get_prl(t, &prl);
- if (!err && copy_to_user(ifr->ifr_ifru.ifru_data,
- &prl, sizeof(prl)))
- err = -EFAULT;
- break;
case SIOCDELPRL:
err = ipip6_tunnel_del_prl(t, &prl);
break;
@@ -902,8 +907,7 @@ ipip6_tunnel_ioctl (struct net_device *dev, struct ifreq *ifr, int cmd)
err = ipip6_tunnel_add_prl(t, &prl, cmd == SIOCCHGPRL);
break;
}
- if (cmd != SIOCGETPRL)
- netdev_state_change(dev);
+ netdev_state_change(dev);
break;
default:
diff --git a/net/mac80211/wext.c b/net/mac80211/wext.c
index 4806d96b987..5af3862e719 100644
--- a/net/mac80211/wext.c
+++ b/net/mac80211/wext.c
@@ -508,7 +508,8 @@ static int ieee80211_ioctl_giwap(struct net_device *dev,
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
- if (sdata->u.sta.state == IEEE80211_ASSOCIATED) {
+ if (sdata->u.sta.state == IEEE80211_ASSOCIATED ||
+ sdata->u.sta.state == IEEE80211_IBSS_JOINED) {
ap_addr->sa_family = ARPHRD_ETHER;
memcpy(&ap_addr->sa_data, sdata->u.sta.bssid, ETH_ALEN);
return 0;
diff --git a/net/mac80211/wme.c b/net/mac80211/wme.c
index d8c2f9688b2..cfa8fbb0736 100644
--- a/net/mac80211/wme.c
+++ b/net/mac80211/wme.c
@@ -637,7 +637,7 @@ int ieee80211_ht_agg_queue_add(struct ieee80211_local *local,
#ifdef CONFIG_MAC80211_HT_DEBUG
if (net_ratelimit())
printk(KERN_DEBUG "allocated aggregation queue"
- " %d tid %d addr %s pool=0x%lX",
+ " %d tid %d addr %s pool=0x%lX\n",
i, tid, print_mac(mac, sta->addr),
q->qdisc_pool[0]);
#endif /* CONFIG_MAC80211_HT_DEBUG */
diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c
index 21307185903..2cef8f34b2c 100644
--- a/net/sched/sch_htb.c
+++ b/net/sched/sch_htb.c
@@ -26,6 +26,7 @@
* and many others. thanks.
*/
#include <linux/module.h>
+#include <linux/moduleparam.h>
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/string.h>
@@ -51,13 +52,17 @@
*/
#define HTB_HSIZE 16 /* classid hash size */
-#define HTB_HYSTERESIS 1 /* whether to use mode hysteresis for speedup */
+static int htb_hysteresis __read_mostly = 0; /* whether to use mode hysteresis for speedup */
#define HTB_VER 0x30011 /* major must be matched with number suplied by TC as version */
#if HTB_VER >> 16 != TC_HTB_PROTOVER
#error "Mismatched sch_htb.c and pkt_sch.h"
#endif
+/* Module parameter and sysfs export */
+module_param (htb_hysteresis, int, 0640);
+MODULE_PARM_DESC(htb_hysteresis, "Hysteresis mode, less CPU load, less accurate");
+
/* used internaly to keep status of single class */
enum htb_cmode {
HTB_CANT_SEND, /* class can't send and can't borrow */
@@ -460,19 +465,21 @@ static void htb_deactivate_prios(struct htb_sched *q, struct htb_class *cl)
htb_remove_class_from_row(q, cl, mask);
}
-#if HTB_HYSTERESIS
static inline long htb_lowater(const struct htb_class *cl)
{
- return cl->cmode != HTB_CANT_SEND ? -cl->cbuffer : 0;
+ if (htb_hysteresis)
+ return cl->cmode != HTB_CANT_SEND ? -cl->cbuffer : 0;
+ else
+ return 0;
}
static inline long htb_hiwater(const struct htb_class *cl)
{
- return cl->cmode == HTB_CAN_SEND ? -cl->buffer : 0;
+ if (htb_hysteresis)
+ return cl->cmode == HTB_CAN_SEND ? -cl->buffer : 0;
+ else
+ return 0;
}
-#else
-#define htb_lowater(cl) (0)
-#define htb_hiwater(cl) (0)
-#endif
+
/**
* htb_class_mode - computes and returns current class mode
diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index d5cc731b679..35b6a023a6d 100644
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -476,6 +476,15 @@ static void sctp_association_destroy(struct sctp_association *asoc)
void sctp_assoc_set_primary(struct sctp_association *asoc,
struct sctp_transport *transport)
{
+ int changeover = 0;
+
+ /* it's a changeover only if we already have a primary path
+ * that we are changing
+ */
+ if (asoc->peer.primary_path != NULL &&
+ asoc->peer.primary_path != transport)
+ changeover = 1 ;
+
asoc->peer.primary_path = transport;
/* Set a default msg_name for events. */
@@ -501,12 +510,12 @@ void sctp_assoc_set_primary(struct sctp_association *asoc,
* double switch to the same destination address.
*/
if (transport->cacc.changeover_active)
- transport->cacc.cycling_changeover = 1;
+ transport->cacc.cycling_changeover = changeover;
/* 2) The sender MUST set CHANGEOVER_ACTIVE to indicate that
* a changeover has occurred.
*/
- transport->cacc.changeover_active = 1;
+ transport->cacc.changeover_active = changeover;
/* 3) The sender MUST store the next TSN to be sent in
* next_tsn_at_change.
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index d6af466091d..23aaffb97ca 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -108,16 +108,27 @@ static __init int sctp_proc_init(void)
}
if (sctp_snmp_proc_init())
- goto out_nomem;
+ goto out_snmp_proc_init;
if (sctp_eps_proc_init())
- goto out_nomem;
+ goto out_eps_proc_init;
if (sctp_assocs_proc_init())
- goto out_nomem;
+ goto out_assocs_proc_init;
if (sctp_remaddr_proc_init())
- goto out_nomem;
+ goto out_remaddr_proc_init;
return 0;
+out_remaddr_proc_init:
+ sctp_remaddr_proc_exit();
+out_assocs_proc_init:
+ sctp_eps_proc_exit();
+out_eps_proc_init:
+ sctp_snmp_proc_exit();
+out_snmp_proc_init:
+ if (proc_net_sctp) {
+ proc_net_sctp = NULL;
+ remove_proc_entry("sctp", init_net.proc_net);
+ }
out_nomem:
return -ENOMEM;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-02 01:31:47 +0000