XGBE_TX_MAX_BUF_SIZE
len = min_t(unsigned int, datalen, XGBE_TX_MAX_BUF_SIZE);
XGBE_TX_MAX_BUF_SIZE);
len -= min_t(unsigned int, len, XGBE_TX_MAX_BUF_SIZE);
len -= min_t(unsigned int, len, XGBE_TX_MAX_BUF_SIZE);
((GSO_LEGACY_MAX_SIZE / XGBE_TX_MAX_BUF_SIZE) + 1)