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path: root/drivers/net/macsec.c
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Diffstat (limited to 'drivers/net/macsec.c')
-rw-r--r--drivers/net/macsec.c42
1 files changed, 31 insertions, 11 deletions
diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c
index 653f0b185a68..da8bf327a3e9 100644
--- a/drivers/net/macsec.c
+++ b/drivers/net/macsec.c
@@ -19,6 +19,7 @@
#include <net/genetlink.h>
#include <net/sock.h>
#include <net/gro_cells.h>
+#include <linux/if_arp.h>
#include <uapi/linux/if_macsec.h>
@@ -867,6 +868,7 @@ static void macsec_reset_skb(struct sk_buff *skb, struct net_device *dev)
static void macsec_finalize_skb(struct sk_buff *skb, u8 icv_len, u8 hdr_len)
{
+ skb->ip_summed = CHECKSUM_NONE;
memmove(skb->data + hdr_len, skb->data, 2 * ETH_ALEN);
skb_pull(skb, hdr_len);
pskb_trim_unique(skb, skb->len - icv_len);
@@ -1105,10 +1107,9 @@ static rx_handler_result_t macsec_handle_frame(struct sk_buff **pskb)
}
skb = skb_unshare(skb, GFP_ATOMIC);
- if (!skb) {
- *pskb = NULL;
+ *pskb = skb;
+ if (!skb)
return RX_HANDLER_CONSUMED;
- }
pulled_sci = pskb_may_pull(skb, macsec_extra_len(true));
if (!pulled_sci) {
@@ -1240,6 +1241,7 @@ deliver:
macsec_rxsa_put(rx_sa);
macsec_rxsc_put(rx_sc);
+ skb_orphan(skb);
ret = gro_cells_receive(&macsec->gro_cells, skb);
if (ret == NET_RX_SUCCESS)
count_rx(dev, skb->len);
@@ -2797,9 +2799,6 @@ static int macsec_dev_open(struct net_device *dev)
struct net_device *real_dev = macsec->real_dev;
int err;
- if (!(real_dev->flags & IFF_UP))
- return -ENETDOWN;
-
err = dev_uc_add(real_dev, dev->dev_addr);
if (err < 0)
return err;
@@ -2873,6 +2872,11 @@ static void macsec_dev_set_rx_mode(struct net_device *dev)
dev_uc_sync(real_dev, dev);
}
+static sci_t dev_to_sci(struct net_device *dev, __be16 port)
+{
+ return make_sci(dev->dev_addr, port);
+}
+
static int macsec_set_mac_address(struct net_device *dev, void *p)
{
struct macsec_dev *macsec = macsec_priv(dev);
@@ -2894,6 +2898,7 @@ static int macsec_set_mac_address(struct net_device *dev, void *p)
out:
ether_addr_copy(dev->dev_addr, addr->sa_data);
+ macsec->secy.sci = dev_to_sci(dev, MACSEC_PORT_ES);
return 0;
}
@@ -2978,6 +2983,7 @@ static const struct device_type macsec_type = {
static const struct nla_policy macsec_rtnl_policy[IFLA_MACSEC_MAX + 1] = {
[IFLA_MACSEC_SCI] = { .type = NLA_U64 },
+ [IFLA_MACSEC_PORT] = { .type = NLA_U16 },
[IFLA_MACSEC_ICV_LEN] = { .type = NLA_U8 },
[IFLA_MACSEC_CIPHER_SUITE] = { .type = NLA_U64 },
[IFLA_MACSEC_WINDOW] = { .type = NLA_U32 },
@@ -3162,11 +3168,6 @@ static bool sci_exists(struct net_device *dev, sci_t sci)
return false;
}
-static sci_t dev_to_sci(struct net_device *dev, __be16 port)
-{
- return make_sci(dev->dev_addr, port);
-}
-
static int macsec_add_dev(struct net_device *dev, sci_t sci, u8 icv_len)
{
struct macsec_dev *macsec = macsec_priv(dev);
@@ -3219,6 +3220,8 @@ static int macsec_newlink(struct net *net, struct net_device *dev,
real_dev = __dev_get_by_index(net, nla_get_u32(tb[IFLA_LINK]));
if (!real_dev)
return -ENODEV;
+ if (real_dev->type != ARPHRD_ETHER)
+ return -EINVAL;
dev->priv_flags |= IFF_MACSEC;
@@ -3274,6 +3277,9 @@ static int macsec_newlink(struct net *net, struct net_device *dev,
if (err < 0)
goto del_dev;
+ netif_stacked_transfer_operstate(real_dev, dev);
+ linkwatch_fire_event(dev);
+
macsec_generation++;
return 0;
@@ -3445,6 +3451,20 @@ static int macsec_notify(struct notifier_block *this, unsigned long event,
return NOTIFY_DONE;
switch (event) {
+ case NETDEV_DOWN:
+ case NETDEV_UP:
+ case NETDEV_CHANGE: {
+ struct macsec_dev *m, *n;
+ struct macsec_rxh_data *rxd;
+
+ rxd = macsec_data_rtnl(real_dev);
+ list_for_each_entry_safe(m, n, &rxd->secys, secys) {
+ struct net_device *dev = m->secy.netdev;
+
+ netif_stacked_transfer_operstate(real_dev, dev);
+ }
+ break;
+ }
case NETDEV_UNREGISTER: {
struct macsec_dev *m, *n;
struct macsec_rxh_data *rxd;