l4opt 207 drivers/net/ethernet/chelsio/cxgb3/cxgb3_offload.h #define T3C_DATA(dev) (*(struct t3c_data **)&(dev)->l4opt) l4opt 65 drivers/net/ethernet/chelsio/cxgb3/t3cdev.h void *l4opt; /* optional layer 4 data */