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-rw-r--r--net/sched/act_bpf.c4
-rw-r--r--net/sched/act_mirred.c84
-rw-r--r--net/sched/act_skbedit.c21
-rw-r--r--net/sched/cls_bpf.c4
-rw-r--r--net/sched/em_meta.c9
-rw-r--r--net/sched/sch_htb.c2
-rw-r--r--net/sched/sch_teql.c5
7 files changed, 91 insertions, 38 deletions
diff --git a/net/sched/act_bpf.c b/net/sched/act_bpf.c
index 1d3960033f61..9ff06cfbcdec 100644
--- a/net/sched/act_bpf.c
+++ b/net/sched/act_bpf.c
@@ -226,9 +226,7 @@ static int tcf_bpf_init_from_efd(struct nlattr **tb, struct tcf_bpf_cfg *cfg)
return PTR_ERR(fp);
if (tb[TCA_ACT_BPF_NAME]) {
- name = kmemdup(nla_data(tb[TCA_ACT_BPF_NAME]),
- nla_len(tb[TCA_ACT_BPF_NAME]),
- GFP_KERNEL);
+ name = nla_memdup(tb[TCA_ACT_BPF_NAME], GFP_KERNEL);
if (!name) {
bpf_prog_put(fp);
return -ENOMEM;
diff --git a/net/sched/act_mirred.c b/net/sched/act_mirred.c
index 6b07fba5770b..6073a1132725 100644
--- a/net/sched/act_mirred.c
+++ b/net/sched/act_mirred.c
@@ -33,6 +33,25 @@
static LIST_HEAD(mirred_list);
static DEFINE_SPINLOCK(mirred_list_lock);
+static bool tcf_mirred_is_act_redirect(int action)
+{
+ return action == TCA_EGRESS_REDIR || action == TCA_INGRESS_REDIR;
+}
+
+static u32 tcf_mirred_act_direction(int action)
+{
+ switch (action) {
+ case TCA_EGRESS_REDIR:
+ case TCA_EGRESS_MIRROR:
+ return AT_EGRESS;
+ case TCA_INGRESS_REDIR:
+ case TCA_INGRESS_MIRROR:
+ return AT_INGRESS;
+ default:
+ BUG();
+ }
+}
+
static void tcf_mirred_release(struct tc_action *a, int bind)
{
struct tcf_mirred *m = to_mirred(a);
@@ -54,17 +73,32 @@ static const struct nla_policy mirred_policy[TCA_MIRRED_MAX + 1] = {
static int mirred_net_id;
static struct tc_action_ops act_mirred_ops;
+static bool dev_is_mac_header_xmit(const struct net_device *dev)
+{
+ switch (dev->type) {
+ case ARPHRD_TUNNEL:
+ case ARPHRD_TUNNEL6:
+ case ARPHRD_SIT:
+ case ARPHRD_IPGRE:
+ case ARPHRD_VOID:
+ case ARPHRD_NONE:
+ return false;
+ }
+ return true;
+}
+
static int tcf_mirred_init(struct net *net, struct nlattr *nla,
struct nlattr *est, struct tc_action **a, int ovr,
int bind)
{
struct tc_action_net *tn = net_generic(net, mirred_net_id);
struct nlattr *tb[TCA_MIRRED_MAX + 1];
+ bool mac_header_xmit = false;
struct tc_mirred *parm;
struct tcf_mirred *m;
struct net_device *dev;
- int ret, ok_push = 0;
bool exists = false;
+ int ret;
if (nla == NULL)
return -EINVAL;
@@ -82,6 +116,8 @@ static int tcf_mirred_init(struct net *net, struct nlattr *nla,
switch (parm->eaction) {
case TCA_EGRESS_MIRROR:
case TCA_EGRESS_REDIR:
+ case TCA_INGRESS_REDIR:
+ case TCA_INGRESS_MIRROR:
break;
default:
if (exists)
@@ -95,19 +131,7 @@ static int tcf_mirred_init(struct net *net, struct nlattr *nla,
tcf_hash_release(*a, bind);
return -ENODEV;
}
- switch (dev->type) {
- case ARPHRD_TUNNEL:
- case ARPHRD_TUNNEL6:
- case ARPHRD_SIT:
- case ARPHRD_IPGRE:
- case ARPHRD_VOID:
- case ARPHRD_NONE:
- ok_push = 0;
- break;
- default:
- ok_push = 1;
- break;
- }
+ mac_header_xmit = dev_is_mac_header_xmit(dev);
} else {
dev = NULL;
}
@@ -136,7 +160,7 @@ static int tcf_mirred_init(struct net *net, struct nlattr *nla,
dev_put(rcu_dereference_protected(m->tcfm_dev, 1));
dev_hold(dev);
rcu_assign_pointer(m->tcfm_dev, dev);
- m->tcfm_ok_push = ok_push;
+ m->tcfm_mac_header_xmit = mac_header_xmit;
}
if (ret == ACT_P_CREATED) {
@@ -153,15 +177,20 @@ static int tcf_mirred(struct sk_buff *skb, const struct tc_action *a,
struct tcf_result *res)
{
struct tcf_mirred *m = to_mirred(a);
+ bool m_mac_header_xmit;
struct net_device *dev;
struct sk_buff *skb2;
- int retval, err;
+ int retval, err = 0;
+ int m_eaction;
+ int mac_len;
u32 at;
tcf_lastuse_update(&m->tcf_tm);
bstats_cpu_update(this_cpu_ptr(m->common.cpu_bstats), skb);
rcu_read_lock();
+ m_mac_header_xmit = READ_ONCE(m->tcfm_mac_header_xmit);
+ m_eaction = READ_ONCE(m->tcfm_eaction);
retval = READ_ONCE(m->tcf_action);
dev = rcu_dereference(m->tcfm_dev);
if (unlikely(!dev)) {
@@ -180,23 +209,36 @@ static int tcf_mirred(struct sk_buff *skb, const struct tc_action *a,
if (!skb2)
goto out;
- if (!(at & AT_EGRESS)) {
- if (m->tcfm_ok_push)
+ /* If action's target direction differs than filter's direction,
+ * and devices expect a mac header on xmit, then mac push/pull is
+ * needed.
+ */
+ if (at != tcf_mirred_act_direction(m_eaction) && m_mac_header_xmit) {
+ if (at & AT_EGRESS) {
+ /* caught at egress, act ingress: pull mac */
+ mac_len = skb_network_header(skb) - skb_mac_header(skb);
+ skb_pull_rcsum(skb2, mac_len);
+ } else {
+ /* caught at ingress, act egress: push mac */
skb_push_rcsum(skb2, skb->mac_len);
+ }
}
/* mirror is always swallowed */
- if (m->tcfm_eaction != TCA_EGRESS_MIRROR)
+ if (tcf_mirred_is_act_redirect(m_eaction))
skb2->tc_verd = SET_TC_FROM(skb2->tc_verd, at);
skb2->skb_iif = skb->dev->ifindex;
skb2->dev = dev;
- err = dev_queue_xmit(skb2);
+ if (tcf_mirred_act_direction(m_eaction) & AT_EGRESS)
+ err = dev_queue_xmit(skb2);
+ else
+ err = netif_receive_skb(skb2);
if (err) {
out:
qstats_overlimit_inc(this_cpu_ptr(m->common.cpu_qstats));
- if (m->tcfm_eaction != TCA_EGRESS_MIRROR)
+ if (tcf_mirred_is_act_redirect(m_eaction))
retval = TC_ACT_SHOT;
}
rcu_read_unlock();
diff --git a/net/sched/act_skbedit.c b/net/sched/act_skbedit.c
index a133dcb82132..024f3a3afeff 100644
--- a/net/sched/act_skbedit.c
+++ b/net/sched/act_skbedit.c
@@ -46,8 +46,10 @@ static int tcf_skbedit(struct sk_buff *skb, const struct tc_action *a,
if (d->flags & SKBEDIT_F_QUEUE_MAPPING &&
skb->dev->real_num_tx_queues > d->queue_mapping)
skb_set_queue_mapping(skb, d->queue_mapping);
- if (d->flags & SKBEDIT_F_MARK)
- skb->mark = d->mark;
+ if (d->flags & SKBEDIT_F_MARK) {
+ skb->mark &= ~d->mask;
+ skb->mark |= d->mark & d->mask;
+ }
if (d->flags & SKBEDIT_F_PTYPE)
skb->pkt_type = d->ptype;
@@ -61,6 +63,7 @@ static const struct nla_policy skbedit_policy[TCA_SKBEDIT_MAX + 1] = {
[TCA_SKBEDIT_QUEUE_MAPPING] = { .len = sizeof(u16) },
[TCA_SKBEDIT_MARK] = { .len = sizeof(u32) },
[TCA_SKBEDIT_PTYPE] = { .len = sizeof(u16) },
+ [TCA_SKBEDIT_MASK] = { .len = sizeof(u32) },
};
static int tcf_skbedit_init(struct net *net, struct nlattr *nla,
@@ -71,7 +74,7 @@ static int tcf_skbedit_init(struct net *net, struct nlattr *nla,
struct nlattr *tb[TCA_SKBEDIT_MAX + 1];
struct tc_skbedit *parm;
struct tcf_skbedit *d;
- u32 flags = 0, *priority = NULL, *mark = NULL;
+ u32 flags = 0, *priority = NULL, *mark = NULL, *mask = NULL;
u16 *queue_mapping = NULL, *ptype = NULL;
bool exists = false;
int ret = 0, err;
@@ -108,6 +111,11 @@ static int tcf_skbedit_init(struct net *net, struct nlattr *nla,
mark = nla_data(tb[TCA_SKBEDIT_MARK]);
}
+ if (tb[TCA_SKBEDIT_MASK] != NULL) {
+ flags |= SKBEDIT_F_MASK;
+ mask = nla_data(tb[TCA_SKBEDIT_MASK]);
+ }
+
parm = nla_data(tb[TCA_SKBEDIT_PARMS]);
exists = tcf_hash_check(tn, parm->index, a, bind);
@@ -145,6 +153,10 @@ static int tcf_skbedit_init(struct net *net, struct nlattr *nla,
d->mark = *mark;
if (flags & SKBEDIT_F_PTYPE)
d->ptype = *ptype;
+ /* default behaviour is to use all the bits */
+ d->mask = 0xffffffff;
+ if (flags & SKBEDIT_F_MASK)
+ d->mask = *mask;
d->tcf_action = parm->action;
@@ -182,6 +194,9 @@ static int tcf_skbedit_dump(struct sk_buff *skb, struct tc_action *a,
if ((d->flags & SKBEDIT_F_PTYPE) &&
nla_put_u16(skb, TCA_SKBEDIT_PTYPE, d->ptype))
goto nla_put_failure;
+ if ((d->flags & SKBEDIT_F_MASK) &&
+ nla_put_u32(skb, TCA_SKBEDIT_MASK, d->mask))
+ goto nla_put_failure;
tcf_tm_dump(&t, &d->tcf_tm);
if (nla_put_64bit(skb, TCA_SKBEDIT_TM, sizeof(t), &t, TCA_SKBEDIT_PAD))
diff --git a/net/sched/cls_bpf.c b/net/sched/cls_bpf.c
index bb1d5a487081..52dc85acca7d 100644
--- a/net/sched/cls_bpf.c
+++ b/net/sched/cls_bpf.c
@@ -369,9 +369,7 @@ static int cls_bpf_prog_from_efd(struct nlattr **tb, struct cls_bpf_prog *prog,
return PTR_ERR(fp);
if (tb[TCA_BPF_NAME]) {
- name = kmemdup(nla_data(tb[TCA_BPF_NAME]),
- nla_len(tb[TCA_BPF_NAME]),
- GFP_KERNEL);
+ name = nla_memdup(tb[TCA_BPF_NAME], GFP_KERNEL);
if (!name) {
bpf_prog_put(fp);
return -ENOMEM;
diff --git a/net/sched/em_meta.c b/net/sched/em_meta.c
index a309a07ccb35..41c80b6c3906 100644
--- a/net/sched/em_meta.c
+++ b/net/sched/em_meta.c
@@ -176,11 +176,12 @@ META_COLLECTOR(int_vlan_tag)
{
unsigned short tag;
- tag = skb_vlan_tag_get(skb);
- if (!tag && __vlan_get_tag(skb, &tag))
- *err = -1;
- else
+ if (skb_vlan_tag_present(skb))
+ dst->value = skb_vlan_tag_get(skb);
+ else if (!__vlan_get_tag(skb, &tag))
dst->value = tag;
+ else
+ *err = -1;
}
diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c
index c798d0de8a9d..9926fe4f3b6f 100644
--- a/net/sched/sch_htb.c
+++ b/net/sched/sch_htb.c
@@ -1145,7 +1145,7 @@ htb_dump_class_stats(struct Qdisc *sch, unsigned long arg, struct gnet_dump *d)
if (gnet_stats_copy_basic(qdisc_root_sleeping_running(sch),
d, NULL, &cl->bstats) < 0 ||
- gnet_stats_copy_rate_est(d, NULL, &cl->rate_est) < 0 ||
+ gnet_stats_copy_rate_est(d, &cl->bstats, &cl->rate_est) < 0 ||
gnet_stats_copy_queue(d, NULL, &qs, qlen) < 0)
return -1;
diff --git a/net/sched/sch_teql.c b/net/sched/sch_teql.c
index 2cd9b4478b92..b0196366d58d 100644
--- a/net/sched/sch_teql.c
+++ b/net/sched/sch_teql.c
@@ -418,9 +418,6 @@ static int teql_master_mtu(struct net_device *dev, int new_mtu)
struct teql_master *m = netdev_priv(dev);
struct Qdisc *q;
- if (new_mtu < 68)
- return -EINVAL;
-
q = m->slaves;
if (q) {
do {
@@ -460,6 +457,8 @@ static __init void teql_master_setup(struct net_device *dev)
dev->netdev_ops = &teql_netdev_ops;
dev->type = ARPHRD_VOID;
dev->mtu = 1500;
+ dev->min_mtu = 68;
+ dev->max_mtu = 65535;
dev->tx_queue_len = 100;
dev->flags = IFF_NOARP;
dev->hard_header_len = LL_MAX_HEADER;
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-15 02:52:48 +0300