csum1
u_int16_t csum1, csum2, ipcsum;
csum1 = htons(csum & 0xffff);
ipcsum = in_addword(csum1, ~csum2 & 0xffff);
uint16_t csum1, csum2;
csum1 = 0;
csum1 |= AXE_TXCSUM_IP | AXE_TXCSUM_TCP |
axe_cmd(sc, AXE_772B_CMD_WRITE_TXCSUM, csum2, csum1, NULL);
csum1 = 0;
csum1 |= AXE_RXCSUM_IP | AXE_RXCSUM_IPVE |
axe_cmd(sc, AXE_772B_CMD_WRITE_RXCSUM, csum2, csum1, NULL);
cfncn = csum1;
cfncn = csum1;
int csum1(int, uint32_t *, off_t *);