GRE_CSUM
return !(greh->flags & (GRE_CSUM | GRE_SEQ));
return !(greh->flags & (GRE_CSUM | GRE_SEQ));
__assign_bit(IP_TUNNEL_CSUM_BIT, res, flags & GRE_CSUM);
flags |= GRE_CSUM;
#define GRE_IS_CSUM(f) ((f) & GRE_CSUM)
if (hdr->flags & GRE_CSUM)
if (((struct gre_base_hdr *)next_hdr)->flags & GRE_CSUM)
if (greh->flags & GRE_CSUM) {
if ((greh->flags & ~(GRE_KEY|GRE_CSUM)) != 0)
if ((greh->flags & GRE_CSUM) && NAPI_GRO_CB(skb)->is_fou)
if (greh->flags & GRE_CSUM)
if ((greh->flags & GRE_CSUM) && !NAPI_GRO_CB(skb)->flush) {
if (greh->flags & GRE_CSUM)
if ((greh->flags & ~GRE_CSUM) != 0)
if (gre->flags & GRE_CSUM) {
if (gre_flags & GRE_CSUM)
if (gre_flags & GRE_CSUM)