ib_flow_spec_eth
struct ib_flow_spec_eth *eth_spec;
sizeof(struct ib_flow_spec_eth) ||
eth_spec = (struct ib_flow_spec_eth *)(ib_attr + 1);
struct ib_flow_spec_eth eth_flow;
.size = sizeof(struct ib_flow_spec_eth),
.size = sizeof(struct ib_flow_spec_eth),
ib_spec->size = sizeof(struct ib_flow_spec_eth);
struct ib_flow_spec_eth eth;