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Diffstat (limited to 'net/core')
-rw-r--r--net/core/dev.c41
-rw-r--r--net/core/net_namespace.c103
-rw-r--r--net/core/rtnetlink.c54
-rw-r--r--net/core/skbuff.c1
-rw-r--r--net/core/sock.c3
5 files changed, 160 insertions, 42 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index 3b3965288f52..af4a1b0adc10 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1630,6 +1630,22 @@ int call_netdevice_notifiers(unsigned long val, struct net_device *dev)
}
EXPORT_SYMBOL(call_netdevice_notifiers);
+#ifdef CONFIG_NET_CLS_ACT
+static struct static_key ingress_needed __read_mostly;
+
+void net_inc_ingress_queue(void)
+{
+ static_key_slow_inc(&ingress_needed);
+}
+EXPORT_SYMBOL_GPL(net_inc_ingress_queue);
+
+void net_dec_ingress_queue(void)
+{
+ static_key_slow_dec(&ingress_needed);
+}
+EXPORT_SYMBOL_GPL(net_dec_ingress_queue);
+#endif
+
static struct static_key netstamp_needed __read_mostly;
#ifdef HAVE_JUMP_LABEL
/* We are not allowed to call static_key_slow_dec() from irq context
@@ -2879,7 +2895,7 @@ EXPORT_SYMBOL(xmit_recursion);
* dev_loopback_xmit - loop back @skb
* @skb: buffer to transmit
*/
-int dev_loopback_xmit(struct sk_buff *skb)
+int dev_loopback_xmit(struct sock *sk, struct sk_buff *skb)
{
skb_reset_mac_header(skb);
__skb_pull(skb, skb_network_offset(skb));
@@ -3017,11 +3033,11 @@ out:
return rc;
}
-int dev_queue_xmit(struct sk_buff *skb)
+int dev_queue_xmit_sk(struct sock *sk, struct sk_buff *skb)
{
return __dev_queue_xmit(skb, NULL);
}
-EXPORT_SYMBOL(dev_queue_xmit);
+EXPORT_SYMBOL(dev_queue_xmit_sk);
int dev_queue_xmit_accel(struct sk_buff *skb, void *accel_priv)
{
@@ -3547,7 +3563,7 @@ static inline struct sk_buff *handle_ing(struct sk_buff *skb,
struct netdev_queue *rxq = rcu_dereference(skb->dev->ingress_queue);
if (!rxq || rcu_access_pointer(rxq->qdisc) == &noop_qdisc)
- goto out;
+ return skb;
if (*pt_prev) {
*ret = deliver_skb(skb, *pt_prev, orig_dev);
@@ -3561,8 +3577,6 @@ static inline struct sk_buff *handle_ing(struct sk_buff *skb,
return NULL;
}
-out:
- skb->tc_verd = 0;
return skb;
}
#endif
@@ -3698,12 +3712,15 @@ another_round:
skip_taps:
#ifdef CONFIG_NET_CLS_ACT
- skb = handle_ing(skb, &pt_prev, &ret, orig_dev);
- if (!skb)
- goto unlock;
+ if (static_key_false(&ingress_needed)) {
+ skb = handle_ing(skb, &pt_prev, &ret, orig_dev);
+ if (!skb)
+ goto unlock;
+ }
+
+ skb->tc_verd = 0;
ncls:
#endif
-
if (pfmemalloc && !skb_pfmemalloc_protocol(skb))
goto drop;
@@ -3853,13 +3870,13 @@ static int netif_receive_skb_internal(struct sk_buff *skb)
* NET_RX_SUCCESS: no congestion
* NET_RX_DROP: packet was dropped
*/
-int netif_receive_skb(struct sk_buff *skb)
+int netif_receive_skb_sk(struct sock *sk, struct sk_buff *skb)
{
trace_netif_receive_skb_entry(skb);
return netif_receive_skb_internal(skb);
}
-EXPORT_SYMBOL(netif_receive_skb);
+EXPORT_SYMBOL(netif_receive_skb_sk);
/* Network device is going away, flush any packets still pending
* Called with irqs disabled.
diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index e7345d9031df..a3abb719221f 100644
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -148,9 +148,11 @@ static void ops_free_list(const struct pernet_operations *ops,
}
}
+static void rtnl_net_notifyid(struct net *net, struct net *peer, int cmd,
+ int id);
static int alloc_netid(struct net *net, struct net *peer, int reqid)
{
- int min = 0, max = 0;
+ int min = 0, max = 0, id;
ASSERT_RTNL();
@@ -159,7 +161,11 @@ static int alloc_netid(struct net *net, struct net *peer, int reqid)
max = reqid + 1;
}
- return idr_alloc(&net->netns_ids, peer, min, max, GFP_KERNEL);
+ id = idr_alloc(&net->netns_ids, peer, min, max, GFP_KERNEL);
+ if (id >= 0)
+ rtnl_net_notifyid(net, peer, RTM_NEWNSID, id);
+
+ return id;
}
/* This function is used by idr_for_each(). If net is equal to peer, the
@@ -359,8 +365,10 @@ static void cleanup_net(struct work_struct *work)
for_each_net(tmp) {
int id = __peernet2id(tmp, net, false);
- if (id >= 0)
+ if (id >= 0) {
+ rtnl_net_notifyid(tmp, net, RTM_DELNSID, id);
idr_remove(&tmp->netns_ids, id);
+ }
}
idr_destroy(&net->netns_ids);
@@ -531,7 +539,8 @@ static int rtnl_net_get_size(void)
}
static int rtnl_net_fill(struct sk_buff *skb, u32 portid, u32 seq, int flags,
- int cmd, struct net *net, struct net *peer)
+ int cmd, struct net *net, struct net *peer,
+ int nsid)
{
struct nlmsghdr *nlh;
struct rtgenmsg *rth;
@@ -546,9 +555,13 @@ static int rtnl_net_fill(struct sk_buff *skb, u32 portid, u32 seq, int flags,
rth = nlmsg_data(nlh);
rth->rtgen_family = AF_UNSPEC;
- id = __peernet2id(net, peer, false);
- if (id < 0)
- id = NETNSA_NSID_NOT_ASSIGNED;
+ if (nsid >= 0) {
+ id = nsid;
+ } else {
+ id = __peernet2id(net, peer, false);
+ if (id < 0)
+ id = NETNSA_NSID_NOT_ASSIGNED;
+ }
if (nla_put_s32(skb, NETNSA_NSID, id))
goto nla_put_failure;
@@ -565,8 +578,8 @@ static int rtnl_net_getid(struct sk_buff *skb, struct nlmsghdr *nlh)
struct net *net = sock_net(skb->sk);
struct nlattr *tb[NETNSA_MAX + 1];
struct sk_buff *msg;
- int err = -ENOBUFS;
struct net *peer;
+ int err;
err = nlmsg_parse(nlh, sizeof(struct rtgenmsg), tb, NETNSA_MAX,
rtnl_net_policy);
@@ -589,7 +602,7 @@ static int rtnl_net_getid(struct sk_buff *skb, struct nlmsghdr *nlh)
}
err = rtnl_net_fill(msg, NETLINK_CB(skb).portid, nlh->nlmsg_seq, 0,
- RTM_GETNSID, net, peer);
+ RTM_GETNSID, net, peer, -1);
if (err < 0)
goto err_out;
@@ -603,6 +616,75 @@ out:
return err;
}
+struct rtnl_net_dump_cb {
+ struct net *net;
+ struct sk_buff *skb;
+ struct netlink_callback *cb;
+ int idx;
+ int s_idx;
+};
+
+static int rtnl_net_dumpid_one(int id, void *peer, void *data)
+{
+ struct rtnl_net_dump_cb *net_cb = (struct rtnl_net_dump_cb *)data;
+ int ret;
+
+ if (net_cb->idx < net_cb->s_idx)
+ goto cont;
+
+ ret = rtnl_net_fill(net_cb->skb, NETLINK_CB(net_cb->cb->skb).portid,
+ net_cb->cb->nlh->nlmsg_seq, NLM_F_MULTI,
+ RTM_NEWNSID, net_cb->net, peer, id);
+ if (ret < 0)
+ return ret;
+
+cont:
+ net_cb->idx++;
+ return 0;
+}
+
+static int rtnl_net_dumpid(struct sk_buff *skb, struct netlink_callback *cb)
+{
+ struct net *net = sock_net(skb->sk);
+ struct rtnl_net_dump_cb net_cb = {
+ .net = net,
+ .skb = skb,
+ .cb = cb,
+ .idx = 0,
+ .s_idx = cb->args[0],
+ };
+
+ ASSERT_RTNL();
+
+ idr_for_each(&net->netns_ids, rtnl_net_dumpid_one, &net_cb);
+
+ cb->args[0] = net_cb.idx;
+ return skb->len;
+}
+
+static void rtnl_net_notifyid(struct net *net, struct net *peer, int cmd,
+ int id)
+{
+ struct sk_buff *msg;
+ int err = -ENOMEM;
+
+ msg = nlmsg_new(rtnl_net_get_size(), GFP_KERNEL);
+ if (!msg)
+ goto out;
+
+ err = rtnl_net_fill(msg, 0, 0, 0, cmd, net, peer, id);
+ if (err < 0)
+ goto err_out;
+
+ rtnl_notify(msg, net, 0, RTNLGRP_NSID, NULL, 0);
+ return;
+
+err_out:
+ nlmsg_free(msg);
+out:
+ rtnl_set_sk_err(net, RTNLGRP_NSID, err);
+}
+
static int __init net_ns_init(void)
{
struct net_generic *ng;
@@ -637,7 +719,8 @@ static int __init net_ns_init(void)
register_pernet_subsys(&net_ns_ops);
rtnl_register(PF_UNSPEC, RTM_NEWNSID, rtnl_net_newid, NULL, NULL);
- rtnl_register(PF_UNSPEC, RTM_GETNSID, rtnl_net_getid, NULL, NULL);
+ rtnl_register(PF_UNSPEC, RTM_GETNSID, rtnl_net_getid, rtnl_net_dumpid,
+ NULL);
return 0;
}
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 5e02260b087f..358d52a38533 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -818,7 +818,8 @@ static inline int rtnl_vfinfo_size(const struct net_device *dev,
nla_total_size(sizeof(struct ifla_vf_vlan)) +
nla_total_size(sizeof(struct ifla_vf_spoofchk)) +
nla_total_size(sizeof(struct ifla_vf_rate)) +
- nla_total_size(sizeof(struct ifla_vf_link_state)));
+ nla_total_size(sizeof(struct ifla_vf_link_state)) +
+ nla_total_size(sizeof(struct ifla_vf_rss_query_en)));
return size;
} else
return 0;
@@ -1132,14 +1133,16 @@ static int rtnl_fill_ifinfo(struct sk_buff *skb, struct net_device *dev,
struct ifla_vf_tx_rate vf_tx_rate;
struct ifla_vf_spoofchk vf_spoofchk;
struct ifla_vf_link_state vf_linkstate;
+ struct ifla_vf_rss_query_en vf_rss_query_en;
/*
* Not all SR-IOV capable drivers support the
- * spoofcheck query. Preset to -1 so the user
- * space tool can detect that the driver didn't
- * report anything.
+ * spoofcheck and "RSS query enable" query. Preset to
+ * -1 so the user space tool can detect that the driver
+ * didn't report anything.
*/
ivi.spoofchk = -1;
+ ivi.rss_query_en = -1;
memset(ivi.mac, 0, sizeof(ivi.mac));
/* The default value for VF link state is "auto"
* IFLA_VF_LINK_STATE_AUTO which equals zero
@@ -1152,7 +1155,8 @@ static int rtnl_fill_ifinfo(struct sk_buff *skb, struct net_device *dev,
vf_rate.vf =
vf_tx_rate.vf =
vf_spoofchk.vf =
- vf_linkstate.vf = ivi.vf;
+ vf_linkstate.vf =
+ vf_rss_query_en.vf = ivi.vf;
memcpy(vf_mac.mac, ivi.mac, sizeof(ivi.mac));
vf_vlan.vlan = ivi.vlan;
@@ -1162,6 +1166,7 @@ static int rtnl_fill_ifinfo(struct sk_buff *skb, struct net_device *dev,
vf_rate.max_tx_rate = ivi.max_tx_rate;
vf_spoofchk.setting = ivi.spoofchk;
vf_linkstate.link_state = ivi.linkstate;
+ vf_rss_query_en.setting = ivi.rss_query_en;
vf = nla_nest_start(skb, IFLA_VF_INFO);
if (!vf) {
nla_nest_cancel(skb, vfinfo);
@@ -1176,7 +1181,10 @@ static int rtnl_fill_ifinfo(struct sk_buff *skb, struct net_device *dev,
nla_put(skb, IFLA_VF_SPOOFCHK, sizeof(vf_spoofchk),
&vf_spoofchk) ||
nla_put(skb, IFLA_VF_LINK_STATE, sizeof(vf_linkstate),
- &vf_linkstate))
+ &vf_linkstate) ||
+ nla_put(skb, IFLA_VF_RSS_QUERY_EN,
+ sizeof(vf_rss_query_en),
+ &vf_rss_query_en))
goto nla_put_failure;
nla_nest_end(skb, vf);
}
@@ -1290,6 +1298,7 @@ static const struct nla_policy ifla_vf_policy[IFLA_VF_MAX+1] = {
[IFLA_VF_SPOOFCHK] = { .len = sizeof(struct ifla_vf_spoofchk) },
[IFLA_VF_RATE] = { .len = sizeof(struct ifla_vf_rate) },
[IFLA_VF_LINK_STATE] = { .len = sizeof(struct ifla_vf_link_state) },
+ [IFLA_VF_RSS_QUERY_EN] = { .len = sizeof(struct ifla_vf_rss_query_en) },
};
static const struct nla_policy ifla_port_policy[IFLA_PORT_MAX+1] = {
@@ -1500,6 +1509,17 @@ static int do_setvfinfo(struct net_device *dev, struct nlattr *attr)
ivl->link_state);
break;
}
+ case IFLA_VF_RSS_QUERY_EN: {
+ struct ifla_vf_rss_query_en *ivrssq_en;
+
+ ivrssq_en = nla_data(vf);
+ err = -EOPNOTSUPP;
+ if (ops->ndo_set_vf_rss_query_en)
+ err = ops->ndo_set_vf_rss_query_en(dev,
+ ivrssq_en->vf,
+ ivrssq_en->setting);
+ break;
+ }
default:
err = -EINVAL;
break;
@@ -1932,7 +1952,7 @@ int rtnl_configure_link(struct net_device *dev, const struct ifinfomsg *ifm)
EXPORT_SYMBOL(rtnl_configure_link);
struct net_device *rtnl_create_link(struct net *net,
- char *ifname, unsigned char name_assign_type,
+ const char *ifname, unsigned char name_assign_type,
const struct rtnl_link_ops *ops, struct nlattr *tb[])
{
int err;
@@ -2404,7 +2424,7 @@ EXPORT_SYMBOL(rtmsg_ifinfo);
static int nlmsg_populate_fdb_fill(struct sk_buff *skb,
struct net_device *dev,
- u8 *addr, u32 pid, u32 seq,
+ u8 *addr, u16 vid, u32 pid, u32 seq,
int type, unsigned int flags,
int nlflags)
{
@@ -2426,6 +2446,9 @@ static int nlmsg_populate_fdb_fill(struct sk_buff *skb,
if (nla_put(skb, NDA_LLADDR, ETH_ALEN, addr))
goto nla_put_failure;
+ if (vid)
+ if (nla_put(skb, NDA_VLAN, sizeof(u16), &vid))
+ goto nla_put_failure;
nlmsg_end(skb, nlh);
return 0;
@@ -2440,7 +2463,7 @@ static inline size_t rtnl_fdb_nlmsg_size(void)
return NLMSG_ALIGN(sizeof(struct ndmsg)) + nla_total_size(ETH_ALEN);
}
-static void rtnl_fdb_notify(struct net_device *dev, u8 *addr, int type)
+static void rtnl_fdb_notify(struct net_device *dev, u8 *addr, u16 vid, int type)
{
struct net *net = dev_net(dev);
struct sk_buff *skb;
@@ -2450,7 +2473,8 @@ static void rtnl_fdb_notify(struct net_device *dev, u8 *addr, int type)
if (!skb)
goto errout;
- err = nlmsg_populate_fdb_fill(skb, dev, addr, 0, 0, type, NTF_SELF, 0);
+ err = nlmsg_populate_fdb_fill(skb, dev, addr, vid,
+ 0, 0, type, NTF_SELF, 0);
if (err < 0) {
kfree_skb(skb);
goto errout;
@@ -2585,7 +2609,7 @@ static int rtnl_fdb_add(struct sk_buff *skb, struct nlmsghdr *nlh)
nlh->nlmsg_flags);
if (!err) {
- rtnl_fdb_notify(dev, addr, RTM_NEWNEIGH);
+ rtnl_fdb_notify(dev, addr, vid, RTM_NEWNEIGH);
ndm->ndm_flags &= ~NTF_SELF;
}
}
@@ -2686,7 +2710,7 @@ static int rtnl_fdb_del(struct sk_buff *skb, struct nlmsghdr *nlh)
err = ndo_dflt_fdb_del(ndm, tb, dev, addr, vid);
if (!err) {
- rtnl_fdb_notify(dev, addr, RTM_DELNEIGH);
+ rtnl_fdb_notify(dev, addr, vid, RTM_DELNEIGH);
ndm->ndm_flags &= ~NTF_SELF;
}
}
@@ -2711,7 +2735,7 @@ static int nlmsg_populate_fdb(struct sk_buff *skb,
if (*idx < cb->args[0])
goto skip;
- err = nlmsg_populate_fdb_fill(skb, dev, ha->addr,
+ err = nlmsg_populate_fdb_fill(skb, dev, ha->addr, 0,
portid, seq,
RTM_NEWNEIGH, NTF_SELF,
NLM_F_MULTI);
@@ -2754,7 +2778,6 @@ static int rtnl_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb)
{
struct net_device *dev;
struct nlattr *tb[IFLA_MAX+1];
- struct net_device *bdev = NULL;
struct net_device *br_dev = NULL;
const struct net_device_ops *ops = NULL;
const struct net_device_ops *cops = NULL;
@@ -2778,7 +2801,6 @@ static int rtnl_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb)
return -ENODEV;
ops = br_dev->netdev_ops;
- bdev = br_dev;
}
for_each_netdev(net, dev) {
@@ -2791,7 +2813,6 @@ static int rtnl_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb)
cops = br_dev->netdev_ops;
}
- bdev = dev;
} else {
if (dev != br_dev &&
!(dev->priv_flags & IFF_BRIDGE_PORT))
@@ -2801,7 +2822,6 @@ static int rtnl_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb)
!(dev->priv_flags & IFF_EBRIDGE))
continue;
- bdev = br_dev;
cops = ops;
}
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index cdb939b731aa..3b6e5830256e 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -3752,7 +3752,6 @@ void skb_complete_wifi_ack(struct sk_buff *skb, bool acked)
}
EXPORT_SYMBOL_GPL(skb_complete_wifi_ack);
-
/**
* skb_partial_csum_set - set up and verify partial csum values for packet
* @skb: the skb to set
diff --git a/net/core/sock.c b/net/core/sock.c
index 654e38a99759..e891bcf325ca 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -2799,8 +2799,7 @@ int proto_register(struct proto *prot, int alloc_slab)
kmem_cache_create(prot->twsk_prot->twsk_slab_name,
prot->twsk_prot->twsk_obj_size,
0,
- SLAB_HWCACHE_ALIGN |
- prot->slab_flags,
+ prot->slab_flags,
NULL);
if (prot->twsk_prot->twsk_slab == NULL)
goto out_free_timewait_sock_slab_name;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-19 10:07:26 +0000