diff options
| -rw-r--r-- | net/ipv6/ioam6.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/net/ipv6/ioam6.c b/net/ipv6/ioam6.c index 122a3d47424c..e159eb4328a8 100644 --- a/net/ipv6/ioam6.c +++ b/net/ipv6/ioam6.c @@ -13,10 +13,12 @@ #include <linux/ioam6.h> #include <linux/ioam6_genl.h> #include <linux/rhashtable.h> +#include <linux/netdevice.h> #include <net/addrconf.h> #include <net/genetlink.h> #include <net/ioam6.h> +#include <net/sch_generic.h> static void ioam6_ns_release(struct ioam6_namespace *ns) { @@ -717,7 +719,19 @@ static void __ioam6_fill_trace_data(struct sk_buff *skb, /* queue depth */ if (trace->type.bit6) { - *(__be32 *)data = cpu_to_be32(IOAM6_U32_UNAVAILABLE); + struct netdev_queue *queue; + struct Qdisc *qdisc; + __u32 qlen, backlog; + + if (skb_dst(skb)->dev->flags & IFF_LOOPBACK) { + *(__be32 *)data = cpu_to_be32(IOAM6_U32_UNAVAILABLE); + } else { + queue = skb_get_tx_queue(skb_dst(skb)->dev, skb); + qdisc = rcu_dereference(queue->qdisc); + qdisc_qstats_qlen_backlog(qdisc, &qlen, &backlog); + + *(__be32 *)data = cpu_to_be32(backlog); + } data += sizeof(__be32); } |