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