taglinefilesource code
RX_BUF_SIZE180drivers/net/3c507.c#define RX_BUF_SIZE   (1518+14+18)  /* packet+header+RBD */
RX_BUF_SIZE200drivers/net/eexpress.c#define RX_BUF_SIZE   (0x640)  /* packet+header+RBD+extra */