IXL_RSS_KEY_SIZE_REG
datalen = MIN(IXL_RSS_KEY_SIZE_REG * sizeof(uint32_t), datalen);
uint32_t rss_seed[IXL_RSS_KEY_SIZE_REG];
for (i = 0; i < IXL_RSS_KEY_SIZE_REG; i++) {
#define IXL_RSS_KEY_SIZE (IXL_RSS_KEY_SIZE_REG * sizeof(uint32_t))