David Ahern <d...@cumulusnetworks.com> writes: > diff --git a/net/mpls/internal.h b/net/mpls/internal.h > index 66f388ba2d49..302d48f54b57 100644 > --- a/net/mpls/internal.h > +++ b/net/mpls/internal.h > @@ -64,7 +64,6 @@ struct mpls_dev { > struct sk_buff; > > #define LABEL_NOT_SPECIFIED (1 << 20) > -#define MAX_NEW_LABELS 2 > > /* This maximum ha length copied from the definition of struct neighbour */ > #define VIA_ALEN_ALIGN sizeof(unsigned long) > @@ -84,12 +83,25 @@ enum mpls_payload_type { > struct mpls_nh { /* next hop label forwarding entry */ > struct net_device __rcu *nh_dev; > unsigned int nh_flags; > - u32 nh_label[MAX_NEW_LABELS]; > u8 nh_labels; > u8 nh_via_alen; > u8 nh_via_table; > + /* u8 hole */
This hole probably be better documented with: u8 nh_reserved1; > + u32 nh_label[0]; > }; Eric