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-rw-r--r--net/core/dev_addr_lists_test.c4
-rw-r--r--net/core/dst.c2
-rw-r--r--net/core/flow_dissector.c2
-rw-r--r--net/core/lwtunnel.c4
-rw-r--r--net/core/neighbour.c62
-rw-r--r--net/core/pktgen.c37
-rw-r--r--net/core/stream.c2
7 files changed, 56 insertions, 57 deletions
diff --git a/net/core/dev_addr_lists_test.c b/net/core/dev_addr_lists_test.c
index 049cfbc58aa9..90e7e3811ae7 100644
--- a/net/core/dev_addr_lists_test.c
+++ b/net/core/dev_addr_lists_test.c
@@ -71,11 +71,11 @@ static void dev_addr_test_basic(struct kunit *test)
memset(addr, 2, sizeof(addr));
eth_hw_addr_set(netdev, addr);
- KUNIT_EXPECT_EQ(test, 0, memcmp(netdev->dev_addr, addr, sizeof(addr)));
+ KUNIT_EXPECT_MEMEQ(test, netdev->dev_addr, addr, sizeof(addr));
memset(addr, 3, sizeof(addr));
dev_addr_set(netdev, addr);
- KUNIT_EXPECT_EQ(test, 0, memcmp(netdev->dev_addr, addr, sizeof(addr)));
+ KUNIT_EXPECT_MEMEQ(test, netdev->dev_addr, addr, sizeof(addr));
}
static void dev_addr_test_sync_one(struct kunit *test)
diff --git a/net/core/dst.c b/net/core/dst.c
index bc9c9be4e080..a4e738d321ba 100644
--- a/net/core/dst.c
+++ b/net/core/dst.c
@@ -174,7 +174,7 @@ void dst_release(struct dst_entry *dst)
net_warn_ratelimited("%s: dst:%p refcnt:%d\n",
__func__, dst, newrefcnt);
if (!newrefcnt)
- call_rcu(&dst->rcu_head, dst_destroy_rcu);
+ call_rcu_hurry(&dst->rcu_head, dst_destroy_rcu);
}
}
EXPORT_SYMBOL(dst_release);
diff --git a/net/core/flow_dissector.c b/net/core/flow_dissector.c
index 25cd35f5922e..007730412947 100644
--- a/net/core/flow_dissector.c
+++ b/net/core/flow_dissector.c
@@ -296,7 +296,7 @@ skb_flow_dissect_ct(const struct sk_buff *skb,
key->ct_zone = ct->zone.id;
#endif
#if IS_ENABLED(CONFIG_NF_CONNTRACK_MARK)
- key->ct_mark = ct->mark;
+ key->ct_mark = READ_ONCE(ct->mark);
#endif
cl = nf_ct_labels_find(ct);
diff --git a/net/core/lwtunnel.c b/net/core/lwtunnel.c
index 6fac2f0ef074..711cd3b4347a 100644
--- a/net/core/lwtunnel.c
+++ b/net/core/lwtunnel.c
@@ -48,9 +48,11 @@ static const char *lwtunnel_encap_str(enum lwtunnel_encap_types encap_type)
return "RPL";
case LWTUNNEL_ENCAP_IOAM6:
return "IOAM6";
+ case LWTUNNEL_ENCAP_XFRM:
+ /* module autoload not supported for encap type */
+ return NULL;
case LWTUNNEL_ENCAP_IP6:
case LWTUNNEL_ENCAP_IP:
- case LWTUNNEL_ENCAP_XFRM:
case LWTUNNEL_ENCAP_NONE:
case __LWTUNNEL_ENCAP_MAX:
/* should not have got here */
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index a77a85e357e0..f00a79fc301b 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -111,7 +111,7 @@ static void neigh_cleanup_and_release(struct neighbour *neigh)
unsigned long neigh_rand_reach_time(unsigned long base)
{
- return base ? prandom_u32_max(base) + (base >> 1) : 0;
+ return base ? get_random_u32_below(base) + (base >> 1) : 0;
}
EXPORT_SYMBOL(neigh_rand_reach_time);
@@ -307,7 +307,31 @@ static int neigh_del_timer(struct neighbour *n)
return 0;
}
-static void pneigh_queue_purge(struct sk_buff_head *list, struct net *net)
+static struct neigh_parms *neigh_get_dev_parms_rcu(struct net_device *dev,
+ int family)
+{
+ switch (family) {
+ case AF_INET:
+ return __in_dev_arp_parms_get_rcu(dev);
+ case AF_INET6:
+ return __in6_dev_nd_parms_get_rcu(dev);
+ }
+ return NULL;
+}
+
+static void neigh_parms_qlen_dec(struct net_device *dev, int family)
+{
+ struct neigh_parms *p;
+
+ rcu_read_lock();
+ p = neigh_get_dev_parms_rcu(dev, family);
+ if (p)
+ p->qlen--;
+ rcu_read_unlock();
+}
+
+static void pneigh_queue_purge(struct sk_buff_head *list, struct net *net,
+ int family)
{
struct sk_buff_head tmp;
unsigned long flags;
@@ -321,13 +345,7 @@ static void pneigh_queue_purge(struct sk_buff_head *list, struct net *net)
struct net_device *dev = skb->dev;
if (net == NULL || net_eq(dev_net(dev), net)) {
- struct in_device *in_dev;
-
- rcu_read_lock();
- in_dev = __in_dev_get_rcu(dev);
- if (in_dev)
- in_dev->arp_parms->qlen--;
- rcu_read_unlock();
+ neigh_parms_qlen_dec(dev, family);
__skb_unlink(skb, list);
__skb_queue_tail(&tmp, skb);
}
@@ -409,7 +427,8 @@ static int __neigh_ifdown(struct neigh_table *tbl, struct net_device *dev,
write_lock_bh(&tbl->lock);
neigh_flush_dev(tbl, dev, skip_perm);
pneigh_ifdown_and_unlock(tbl, dev);
- pneigh_queue_purge(&tbl->proxy_queue, dev ? dev_net(dev) : NULL);
+ pneigh_queue_purge(&tbl->proxy_queue, dev ? dev_net(dev) : NULL,
+ tbl->family);
if (skb_queue_empty_lockless(&tbl->proxy_queue))
del_timer_sync(&tbl->proxy_timer);
return 0;
@@ -1621,13 +1640,8 @@ static void neigh_proxy_process(struct timer_list *t)
if (tdif <= 0) {
struct net_device *dev = skb->dev;
- struct in_device *in_dev;
- rcu_read_lock();
- in_dev = __in_dev_get_rcu(dev);
- if (in_dev)
- in_dev->arp_parms->qlen--;
- rcu_read_unlock();
+ neigh_parms_qlen_dec(dev, tbl->family);
__skb_unlink(skb, &tbl->proxy_queue);
if (tbl->proxy_redo && netif_running(dev)) {
@@ -1652,7 +1666,7 @@ void pneigh_enqueue(struct neigh_table *tbl, struct neigh_parms *p,
struct sk_buff *skb)
{
unsigned long sched_next = jiffies +
- prandom_u32_max(NEIGH_VAR(p, PROXY_DELAY));
+ get_random_u32_below(NEIGH_VAR(p, PROXY_DELAY));
if (p->qlen > NEIGH_VAR(p, PROXY_QLEN)) {
kfree_skb(skb);
@@ -1821,7 +1835,7 @@ int neigh_table_clear(int index, struct neigh_table *tbl)
cancel_delayed_work_sync(&tbl->managed_work);
cancel_delayed_work_sync(&tbl->gc_work);
del_timer_sync(&tbl->proxy_timer);
- pneigh_queue_purge(&tbl->proxy_queue, NULL);
+ pneigh_queue_purge(&tbl->proxy_queue, NULL, tbl->family);
neigh_ifdown(tbl, NULL);
if (atomic_read(&tbl->entries))
pr_crit("neighbour leakage\n");
@@ -3539,18 +3553,6 @@ static int proc_unres_qlen(struct ctl_table *ctl, int write,
return ret;
}
-static struct neigh_parms *neigh_get_dev_parms_rcu(struct net_device *dev,
- int family)
-{
- switch (family) {
- case AF_INET:
- return __in_dev_arp_parms_get_rcu(dev);
- case AF_INET6:
- return __in6_dev_nd_parms_get_rcu(dev);
- }
- return NULL;
-}
-
static void neigh_copy_dflt_parms(struct net *net, struct neigh_parms *p,
int index)
{
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index c3763056c554..760238196db1 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -2324,7 +2324,7 @@ static inline int f_pick(struct pktgen_dev *pkt_dev)
pkt_dev->curfl = 0; /*reset */
}
} else {
- flow = prandom_u32_max(pkt_dev->cflows);
+ flow = get_random_u32_below(pkt_dev->cflows);
pkt_dev->curfl = flow;
if (pkt_dev->flows[flow].count > pkt_dev->lflow) {
@@ -2380,9 +2380,8 @@ static void set_cur_queue_map(struct pktgen_dev *pkt_dev)
else if (pkt_dev->queue_map_min <= pkt_dev->queue_map_max) {
__u16 t;
if (pkt_dev->flags & F_QUEUE_MAP_RND) {
- t = prandom_u32_max(pkt_dev->queue_map_max -
- pkt_dev->queue_map_min + 1) +
- pkt_dev->queue_map_min;
+ t = get_random_u32_inclusive(pkt_dev->queue_map_min,
+ pkt_dev->queue_map_max);
} else {
t = pkt_dev->cur_queue_map + 1;
if (t > pkt_dev->queue_map_max)
@@ -2411,7 +2410,7 @@ static void mod_cur_headers(struct pktgen_dev *pkt_dev)
__u32 tmp;
if (pkt_dev->flags & F_MACSRC_RND)
- mc = prandom_u32_max(pkt_dev->src_mac_count);
+ mc = get_random_u32_below(pkt_dev->src_mac_count);
else {
mc = pkt_dev->cur_src_mac_offset++;
if (pkt_dev->cur_src_mac_offset >=
@@ -2437,7 +2436,7 @@ static void mod_cur_headers(struct pktgen_dev *pkt_dev)
__u32 tmp;
if (pkt_dev->flags & F_MACDST_RND)
- mc = prandom_u32_max(pkt_dev->dst_mac_count);
+ mc = get_random_u32_below(pkt_dev->dst_mac_count);
else {
mc = pkt_dev->cur_dst_mac_offset++;
@@ -2469,18 +2468,17 @@ static void mod_cur_headers(struct pktgen_dev *pkt_dev)
}
if ((pkt_dev->flags & F_VID_RND) && (pkt_dev->vlan_id != 0xffff)) {
- pkt_dev->vlan_id = prandom_u32_max(4096);
+ pkt_dev->vlan_id = get_random_u32_below(4096);
}
if ((pkt_dev->flags & F_SVID_RND) && (pkt_dev->svlan_id != 0xffff)) {
- pkt_dev->svlan_id = prandom_u32_max(4096);
+ pkt_dev->svlan_id = get_random_u32_below(4096);
}
if (pkt_dev->udp_src_min < pkt_dev->udp_src_max) {
if (pkt_dev->flags & F_UDPSRC_RND)
- pkt_dev->cur_udp_src = prandom_u32_max(
- pkt_dev->udp_src_max - pkt_dev->udp_src_min) +
- pkt_dev->udp_src_min;
+ pkt_dev->cur_udp_src = get_random_u32_inclusive(pkt_dev->udp_src_min,
+ pkt_dev->udp_src_max - 1);
else {
pkt_dev->cur_udp_src++;
@@ -2491,9 +2489,8 @@ static void mod_cur_headers(struct pktgen_dev *pkt_dev)
if (pkt_dev->udp_dst_min < pkt_dev->udp_dst_max) {
if (pkt_dev->flags & F_UDPDST_RND) {
- pkt_dev->cur_udp_dst = prandom_u32_max(
- pkt_dev->udp_dst_max - pkt_dev->udp_dst_min) +
- pkt_dev->udp_dst_min;
+ pkt_dev->cur_udp_dst = get_random_u32_inclusive(pkt_dev->udp_dst_min,
+ pkt_dev->udp_dst_max - 1);
} else {
pkt_dev->cur_udp_dst++;
if (pkt_dev->cur_udp_dst >= pkt_dev->udp_dst_max)
@@ -2508,7 +2505,7 @@ static void mod_cur_headers(struct pktgen_dev *pkt_dev)
if (imn < imx) {
__u32 t;
if (pkt_dev->flags & F_IPSRC_RND)
- t = prandom_u32_max(imx - imn) + imn;
+ t = get_random_u32_inclusive(imn, imx - 1);
else {
t = ntohl(pkt_dev->cur_saddr);
t++;
@@ -2530,8 +2527,7 @@ static void mod_cur_headers(struct pktgen_dev *pkt_dev)
if (pkt_dev->flags & F_IPDST_RND) {
do {
- t = prandom_u32_max(imx - imn) +
- imn;
+ t = get_random_u32_inclusive(imn, imx - 1);
s = htonl(t);
} while (ipv4_is_loopback(s) ||
ipv4_is_multicast(s) ||
@@ -2578,9 +2574,8 @@ static void mod_cur_headers(struct pktgen_dev *pkt_dev)
if (pkt_dev->min_pkt_size < pkt_dev->max_pkt_size) {
__u32 t;
if (pkt_dev->flags & F_TXSIZE_RND) {
- t = prandom_u32_max(pkt_dev->max_pkt_size -
- pkt_dev->min_pkt_size) +
- pkt_dev->min_pkt_size;
+ t = get_random_u32_inclusive(pkt_dev->min_pkt_size,
+ pkt_dev->max_pkt_size - 1);
} else {
t = pkt_dev->cur_pkt_size + 1;
if (t > pkt_dev->max_pkt_size)
@@ -2589,7 +2584,7 @@ static void mod_cur_headers(struct pktgen_dev *pkt_dev)
pkt_dev->cur_pkt_size = t;
} else if (pkt_dev->n_imix_entries > 0) {
struct imix_pkt *entry;
- __u32 t = prandom_u32_max(IMIX_PRECISION);
+ __u32 t = get_random_u32_below(IMIX_PRECISION);
__u8 entry_index = pkt_dev->imix_distribution[t];
entry = &pkt_dev->imix_entries[entry_index];
diff --git a/net/core/stream.c b/net/core/stream.c
index 75fded8495f5..5b1fe2b82eac 100644
--- a/net/core/stream.c
+++ b/net/core/stream.c
@@ -123,7 +123,7 @@ int sk_stream_wait_memory(struct sock *sk, long *timeo_p)
DEFINE_WAIT_FUNC(wait, woken_wake_function);
if (sk_stream_memory_free(sk))
- current_timeo = vm_wait = prandom_u32_max(HZ / 5) + 2;
+ current_timeo = vm_wait = get_random_u32_below(HZ / 5) + 2;
add_wait_queue(sk_sleep(sk), &wait);
generated by cgit v1.2.3 (git 2.46.0) at 2025-08-27 08:42:25 +0000