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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.c47
1 files changed, 28 insertions, 19 deletions
diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c
index f41f67b583db..bf8ac7a3ded7 100644
--- a/drivers/net/macsec.c
+++ b/drivers/net/macsec.c
@@ -2593,7 +2593,7 @@ static int macsec_upd_offload(struct sk_buff *skb, struct genl_info *info)
const struct macsec_ops *ops;
struct macsec_context ctx;
struct macsec_dev *macsec;
- int ret;
+ int ret = 0;
if (!attrs[MACSEC_ATTR_IFINDEX])
return -EINVAL;
@@ -2606,28 +2606,36 @@ static int macsec_upd_offload(struct sk_buff *skb, struct genl_info *info)
macsec_genl_offload_policy, NULL))
return -EINVAL;
+ rtnl_lock();
+
dev = get_dev_from_nl(genl_info_net(info), attrs);
- if (IS_ERR(dev))
- return PTR_ERR(dev);
+ if (IS_ERR(dev)) {
+ ret = PTR_ERR(dev);
+ goto out;
+ }
macsec = macsec_priv(dev);
- if (!tb_offload[MACSEC_OFFLOAD_ATTR_TYPE])
- return -EINVAL;
+ if (!tb_offload[MACSEC_OFFLOAD_ATTR_TYPE]) {
+ ret = -EINVAL;
+ goto out;
+ }
offload = nla_get_u8(tb_offload[MACSEC_OFFLOAD_ATTR_TYPE]);
if (macsec->offload == offload)
- return 0;
+ goto out;
/* Check if the offloading mode is supported by the underlying layers */
if (offload != MACSEC_OFFLOAD_OFF &&
- !macsec_check_offload(offload, macsec))
- return -EOPNOTSUPP;
+ !macsec_check_offload(offload, macsec)) {
+ ret = -EOPNOTSUPP;
+ goto out;
+ }
/* Check if the net device is busy. */
- if (netif_running(dev))
- return -EBUSY;
-
- rtnl_lock();
+ if (netif_running(dev)) {
+ ret = -EBUSY;
+ goto out;
+ }
prev_offload = macsec->offload;
macsec->offload = offload;
@@ -2662,7 +2670,7 @@ static int macsec_upd_offload(struct sk_buff *skb, struct genl_info *info)
rollback:
macsec->offload = prev_offload;
-
+out:
rtnl_unlock();
return ret;
}
@@ -2793,9 +2801,9 @@ static void get_rx_sc_stats(struct net_device *dev,
stats = per_cpu_ptr(rx_sc->stats, cpu);
do {
- start = u64_stats_fetch_begin_irq(&stats->syncp);
+ start = u64_stats_fetch_begin(&stats->syncp);
memcpy(&tmp, &stats->stats, sizeof(tmp));
- } while (u64_stats_fetch_retry_irq(&stats->syncp, start));
+ } while (u64_stats_fetch_retry(&stats->syncp, start));
sum->InOctetsValidated += tmp.InOctetsValidated;
sum->InOctetsDecrypted += tmp.InOctetsDecrypted;
@@ -2874,9 +2882,9 @@ static void get_tx_sc_stats(struct net_device *dev,
stats = per_cpu_ptr(macsec_priv(dev)->secy.tx_sc.stats, cpu);
do {
- start = u64_stats_fetch_begin_irq(&stats->syncp);
+ start = u64_stats_fetch_begin(&stats->syncp);
memcpy(&tmp, &stats->stats, sizeof(tmp));
- } while (u64_stats_fetch_retry_irq(&stats->syncp, start));
+ } while (u64_stats_fetch_retry(&stats->syncp, start));
sum->OutPktsProtected += tmp.OutPktsProtected;
sum->OutPktsEncrypted += tmp.OutPktsEncrypted;
@@ -2930,9 +2938,9 @@ static void get_secy_stats(struct net_device *dev, struct macsec_dev_stats *sum)
stats = per_cpu_ptr(macsec_priv(dev)->stats, cpu);
do {
- start = u64_stats_fetch_begin_irq(&stats->syncp);
+ start = u64_stats_fetch_begin(&stats->syncp);
memcpy(&tmp, &stats->stats, sizeof(tmp));
- } while (u64_stats_fetch_retry_irq(&stats->syncp, start));
+ } while (u64_stats_fetch_retry(&stats->syncp, start));
sum->OutPktsUntagged += tmp.OutPktsUntagged;
sum->InPktsUntagged += tmp.InPktsUntagged;
@@ -3698,6 +3706,7 @@ static const struct nla_policy macsec_rtnl_policy[IFLA_MACSEC_MAX + 1] = {
[IFLA_MACSEC_SCB] = { .type = NLA_U8 },
[IFLA_MACSEC_REPLAY_PROTECT] = { .type = NLA_U8 },
[IFLA_MACSEC_VALIDATION] = { .type = NLA_U8 },
+ [IFLA_MACSEC_OFFLOAD] = { .type = NLA_U8 },
};
static void macsec_free_netdev(struct net_device *dev)