#define CNXK_NIX_TX_NB_SEG_MAX 9
#endif
+#define CNXK_NIX_TX_MSEG_SG_DWORDS \
+ ((RTE_ALIGN_MUL_CEIL(CNXK_NIX_TX_NB_SEG_MAX, 3) / 3) + \
+ CNXK_NIX_TX_NB_SEG_MAX)
+
#define CNXK_NIX_RSS_L3_L4_SRC_DST \
(ETH_RSS_L3_SRC_ONLY | ETH_RSS_L3_DST_ONLY | ETH_RSS_L4_SRC_ONLY | \
ETH_RSS_L4_DST_ONLY)
/* Fastpath lookup */
#define CNXK_NIX_FASTPATH_LOOKUP_MEM "cnxk_nix_fastpath_lookup_mem"
+#define CNXK_NIX_UDP_TUN_BITMASK \
+ ((1ull << (PKT_TX_TUNNEL_VXLAN >> 45)) | \
+ (1ull << (PKT_TX_TUNNEL_GENEVE >> 45)))
+
struct cnxk_eth_qconf {
union {
struct rte_eth_txconf tx;
int cnxk_nix_probe(struct rte_pci_driver *pci_drv,
struct rte_pci_device *pci_dev);
int cnxk_nix_remove(struct rte_pci_device *pci_dev);
+int cnxk_nix_mac_addr_set(struct rte_eth_dev *eth_dev,
+ struct rte_ether_addr *addr);
int cnxk_nix_info_get(struct rte_eth_dev *eth_dev,
struct rte_eth_dev_info *dev_info);
int cnxk_nix_configure(struct rte_eth_dev *eth_dev);
const struct rte_eth_rxconf *rx_conf,
struct rte_mempool *mp);
int cnxk_nix_tx_queue_stop(struct rte_eth_dev *eth_dev, uint16_t qid);
+int cnxk_nix_dev_start(struct rte_eth_dev *eth_dev);
uint64_t cnxk_nix_rxq_mbuf_setup(struct cnxk_eth_dev *dev);
uint8_t rss_level);
/* Link */
+void cnxk_nix_toggle_flag_link_cfg(struct cnxk_eth_dev *dev, bool set);
void cnxk_eth_dev_link_status_cb(struct roc_nix *nix,
struct roc_nix_link_info *link);
int cnxk_nix_link_update(struct rte_eth_dev *eth_dev, int wait_to_complete);
int cnxk_ethdev_parse_devargs(struct rte_devargs *devargs,
struct cnxk_eth_dev *dev);
+/* Inlines */
+static __rte_always_inline uint64_t
+cnxk_pktmbuf_detach(struct rte_mbuf *m)
+{
+ struct rte_mempool *mp = m->pool;
+ uint32_t mbuf_size, buf_len;
+ struct rte_mbuf *md;
+ uint16_t priv_size;
+ uint16_t refcount;
+
+ /* Update refcount of direct mbuf */
+ md = rte_mbuf_from_indirect(m);
+ refcount = rte_mbuf_refcnt_update(md, -1);
+
+ priv_size = rte_pktmbuf_priv_size(mp);
+ mbuf_size = (uint32_t)(sizeof(struct rte_mbuf) + priv_size);
+ buf_len = rte_pktmbuf_data_room_size(mp);
+
+ m->priv_size = priv_size;
+ m->buf_addr = (char *)m + mbuf_size;
+ m->buf_iova = rte_mempool_virt2iova(m) + mbuf_size;
+ m->buf_len = (uint16_t)buf_len;
+ rte_pktmbuf_reset_headroom(m);
+ m->data_len = 0;
+ m->ol_flags = 0;
+ m->next = NULL;
+ m->nb_segs = 1;
+
+ /* Now indirect mbuf is safe to free */
+ rte_pktmbuf_free(m);
+
+ if (refcount == 0) {
+ rte_mbuf_refcnt_set(md, 1);
+ md->data_len = 0;
+ md->ol_flags = 0;
+ md->next = NULL;
+ md->nb_segs = 1;
+ return 0;
+ } else {
+ return 1;
+ }
+}
+
+static __rte_always_inline uint64_t
+cnxk_nix_prefree_seg(struct rte_mbuf *m)
+{
+ if (likely(rte_mbuf_refcnt_read(m) == 1)) {
+ if (!RTE_MBUF_DIRECT(m))
+ return cnxk_pktmbuf_detach(m);
+
+ m->next = NULL;
+ m->nb_segs = 1;
+ return 0;
+ } else if (rte_mbuf_refcnt_update(m, -1) == 0) {
+ if (!RTE_MBUF_DIRECT(m))
+ return cnxk_pktmbuf_detach(m);
+
+ rte_mbuf_refcnt_set(m, 1);
+ m->next = NULL;
+ m->nb_segs = 1;
+ return 0;
+ }
+
+ /* Mbuf is having refcount more than 1 so need not to be freed */
+ return 1;
+}
+
#endif /* __CNXK_ETHDEV_H__ */