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path: root/drivers/net/amt.c
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Diffstat (limited to 'drivers/net/amt.c')
-rw-r--r--drivers/net/amt.c61
1 files changed, 30 insertions, 31 deletions
diff --git a/drivers/net/amt.c b/drivers/net/amt.c
index 2d20be6ffb7e..902c817a0dea 100644
--- a/drivers/net/amt.c
+++ b/drivers/net/amt.c
@@ -11,7 +11,8 @@
#include <linux/net.h>
#include <linux/igmp.h>
#include <linux/workqueue.h>
-#include <net/sch_generic.h>
+#include <net/flow.h>
+#include <net/pkt_sched.h>
#include <net/net_namespace.h>
#include <net/ip.h>
#include <net/udp.h>
@@ -28,6 +29,7 @@
#include <net/addrconf.h>
#include <net/ip6_route.h>
#include <net/inet_common.h>
+#include <net/inet_dscp.h>
#include <net/ip6_checksum.h>
static struct workqueue_struct *amt_wq;
@@ -80,11 +82,11 @@ static struct mld2_grec mldv2_zero_grec;
static struct amt_skb_cb *amt_skb_cb(struct sk_buff *skb)
{
- BUILD_BUG_ON(sizeof(struct amt_skb_cb) + sizeof(struct qdisc_skb_cb) >
+ BUILD_BUG_ON(sizeof(struct amt_skb_cb) + sizeof(struct tc_skb_cb) >
sizeof_field(struct sk_buff, cb));
return (struct amt_skb_cb *)((void *)skb->cb +
- sizeof(struct qdisc_skb_cb));
+ sizeof(struct tc_skb_cb));
}
static void __amt_source_gc_work(void)
@@ -979,7 +981,7 @@ static void amt_event_send_request(struct amt_dev *amt)
amt->req_cnt++;
out:
exp = min_t(u32, (1 * (1 << amt->req_cnt)), AMT_MAX_REQ_TIMEOUT);
- mod_delayed_work(amt_wq, &amt->req_wq, msecs_to_jiffies(exp * 1000));
+ mod_delayed_work(amt_wq, &amt->req_wq, secs_to_jiffies(exp));
}
static void amt_req_work(struct work_struct *work)
@@ -1018,7 +1020,7 @@ static bool amt_send_membership_update(struct amt_dev *amt,
fl4.flowi4_oif = amt->stream_dev->ifindex;
fl4.daddr = amt->remote_ip;
fl4.saddr = amt->local_ip;
- fl4.flowi4_tos = AMT_TOS;
+ fl4.flowi4_dscp = inet_dsfield_to_dscp(AMT_TOS);
fl4.flowi4_proto = IPPROTO_UDP;
rt = ip_route_output_key(amt->net, &fl4);
if (IS_ERR(rt)) {
@@ -1046,7 +1048,8 @@ static bool amt_send_membership_update(struct amt_dev *amt,
amt->gw_port,
amt->relay_port,
false,
- false);
+ false,
+ 0);
amt_update_gw_status(amt, AMT_STATUS_SENT_UPDATE, true);
return false;
}
@@ -1103,7 +1106,8 @@ static void amt_send_multicast_data(struct amt_dev *amt,
amt->relay_port,
tunnel->source_port,
false,
- false);
+ false,
+ 0);
}
static bool amt_send_membership_query(struct amt_dev *amt,
@@ -1131,7 +1135,7 @@ static bool amt_send_membership_query(struct amt_dev *amt,
fl4.flowi4_oif = amt->stream_dev->ifindex;
fl4.daddr = tunnel->ip4;
fl4.saddr = amt->local_ip;
- fl4.flowi4_tos = AMT_TOS;
+ fl4.flowi4_dscp = inet_dsfield_to_dscp(AMT_TOS);
fl4.flowi4_proto = IPPROTO_UDP;
rt = ip_route_output_key(amt->net, &fl4);
if (IS_ERR(rt)) {
@@ -1161,7 +1165,8 @@ static bool amt_send_membership_query(struct amt_dev *amt,
amt->relay_port,
tunnel->source_port,
false,
- false);
+ false,
+ 0);
amt_update_relay_status(tunnel, AMT_STATUS_SENT_QUERY, true);
return false;
}
@@ -3063,15 +3068,10 @@ static int amt_dev_init(struct net_device *dev)
int err;
amt->dev = dev;
- dev->tstats = netdev_alloc_pcpu_stats(struct pcpu_sw_netstats);
- if (!dev->tstats)
- return -ENOMEM;
err = gro_cells_init(&amt->gro_cells, dev);
- if (err) {
- free_percpu(dev->tstats);
+ if (err)
return err;
- }
return 0;
}
@@ -3081,7 +3081,6 @@ static void amt_dev_uninit(struct net_device *dev)
struct amt_dev *amt = netdev_priv(dev);
gro_cells_destroy(&amt->gro_cells);
- free_percpu(dev->tstats);
}
static const struct net_device_ops amt_netdev_ops = {
@@ -3090,7 +3089,6 @@ static const struct net_device_ops amt_netdev_ops = {
.ndo_open = amt_dev_open,
.ndo_stop = amt_dev_stop,
.ndo_start_xmit = amt_dev_xmit,
- .ndo_get_stats64 = dev_get_tstats64,
};
static void amt_link_setup(struct net_device *dev)
@@ -3105,12 +3103,13 @@ static void amt_link_setup(struct net_device *dev)
dev->hard_header_len = 0;
dev->addr_len = 0;
dev->priv_flags |= IFF_NO_QUEUE;
- dev->features |= NETIF_F_LLTX;
+ dev->lltx = true;
+ dev->netns_immutable = true;
dev->features |= NETIF_F_GSO_SOFTWARE;
- dev->features |= NETIF_F_NETNS_LOCAL;
dev->hw_features |= NETIF_F_SG | NETIF_F_HW_CSUM;
dev->hw_features |= NETIF_F_FRAGLIST | NETIF_F_RXCSUM;
dev->hw_features |= NETIF_F_GSO_SOFTWARE;
+ dev->pcpu_stat_type = NETDEV_PCPU_STAT_TSTATS;
eth_hw_addr_random(dev);
eth_zero_addr(dev->broadcast);
ether_setup(dev);
@@ -3167,14 +3166,17 @@ static int amt_validate(struct nlattr *tb[], struct nlattr *data[],
return 0;
}
-static int amt_newlink(struct net *net, struct net_device *dev,
- struct nlattr *tb[], struct nlattr *data[],
+static int amt_newlink(struct net_device *dev,
+ struct rtnl_newlink_params *params,
struct netlink_ext_ack *extack)
{
+ struct net *link_net = rtnl_newlink_link_net(params);
struct amt_dev *amt = netdev_priv(dev);
+ struct nlattr **data = params->data;
+ struct nlattr **tb = params->tb;
int err = -EINVAL;
- amt->net = net;
+ amt->net = link_net;
amt->mode = nla_get_u32(data[IFLA_AMT_MODE]);
if (data[IFLA_AMT_MAX_TUNNELS] &&
@@ -3189,7 +3191,7 @@ static int amt_newlink(struct net *net, struct net_device *dev,
amt->hash_buckets = AMT_HSIZE;
amt->nr_tunnels = 0;
get_random_bytes(&amt->hash_seed, sizeof(amt->hash_seed));
- amt->stream_dev = dev_get_by_index(net,
+ amt->stream_dev = dev_get_by_index(link_net,
nla_get_u32(data[IFLA_AMT_LINK]));
if (!amt->stream_dev) {
NL_SET_ERR_MSG_ATTR(extack, tb[IFLA_AMT_LINK],
@@ -3212,15 +3214,11 @@ static int amt_newlink(struct net *net, struct net_device *dev,
goto err;
}
- if (data[IFLA_AMT_RELAY_PORT])
- amt->relay_port = nla_get_be16(data[IFLA_AMT_RELAY_PORT]);
- else
- amt->relay_port = htons(IANA_AMT_UDP_PORT);
+ amt->relay_port = nla_get_be16_default(data[IFLA_AMT_RELAY_PORT],
+ htons(IANA_AMT_UDP_PORT));
- if (data[IFLA_AMT_GATEWAY_PORT])
- amt->gw_port = nla_get_be16(data[IFLA_AMT_GATEWAY_PORT]);
- else
- amt->gw_port = htons(IANA_AMT_UDP_PORT);
+ amt->gw_port = nla_get_be16_default(data[IFLA_AMT_GATEWAY_PORT],
+ htons(IANA_AMT_UDP_PORT));
if (!amt->relay_port) {
NL_SET_ERR_MSG_ATTR(extack, tb[IFLA_AMT_DISCOVERY_IP],
@@ -3449,5 +3447,6 @@ static void __exit amt_fini(void)
module_exit(amt_fini);
MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Driver for Automatic Multicast Tunneling (AMT)");
MODULE_AUTHOR("Taehee Yoo <ap420073@gmail.com>");
MODULE_ALIAS_RTNL_LINK("amt");
generated by cgit (git 2.34.1) at 2025-12-21 18:57:13 +0000