BGE_SEND_BUF_ARRAY
#define BGE_SEND_BUF_MAX (BGE_SEND_BUF_NUM*BGE_SEND_BUF_ARRAY)
dma_area_t buf[BGE_SEND_BUF_ARRAY][BGE_SPLIT];
srp->tx_array_max = BGE_SEND_BUF_ARRAY;