1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(C) 2021 Marvell.
4 #ifndef __CNXK_ETHDEV_H__
5 #define __CNXK_ETHDEV_H__
10 #include <ethdev_driver.h>
11 #include <ethdev_pci.h>
12 #include <rte_kvargs.h>
14 #include <rte_mbuf_pool_ops.h>
15 #include <rte_mempool.h>
19 #define CNXK_ETH_DEV_PMD_VERSION "1.0"
21 /* Used for struct cnxk_eth_dev::flags */
22 #define CNXK_LINK_CFG_IN_PROGRESS_F BIT_ULL(0)
24 /* VLAN tag inserted by NIX_TX_VTAG_ACTION.
25 * In Tx space is always reserved for this in FRS.
27 #define CNXK_NIX_MAX_VTAG_INS 2
28 #define CNXK_NIX_MAX_VTAG_ACT_SIZE (4 * CNXK_NIX_MAX_VTAG_INS)
30 /* ETH_HLEN+ETH_FCS+2*VLAN_HLEN */
31 #define CNXK_NIX_L2_OVERHEAD (RTE_ETHER_HDR_LEN + \
33 CNXK_NIX_MAX_VTAG_ACT_SIZE)
35 #define CNXK_NIX_RX_MIN_DESC 16
36 #define CNXK_NIX_RX_MIN_DESC_ALIGN 16
37 #define CNXK_NIX_RX_NB_SEG_MAX 6
38 #define CNXK_NIX_RX_DEFAULT_RING_SZ 4096
39 /* Max supported SQB count */
40 #define CNXK_NIX_TX_MAX_SQB 512
42 /* If PTP is enabled additional SEND MEM DESC is required which
43 * takes 2 words, hence max 7 iova address are possible
45 #if defined(RTE_LIBRTE_IEEE1588)
46 #define CNXK_NIX_TX_NB_SEG_MAX 7
48 #define CNXK_NIX_TX_NB_SEG_MAX 9
51 #define CNXK_NIX_TX_MSEG_SG_DWORDS \
52 ((RTE_ALIGN_MUL_CEIL(CNXK_NIX_TX_NB_SEG_MAX, 3) / 3) + \
53 CNXK_NIX_TX_NB_SEG_MAX)
55 #define CNXK_NIX_RSS_L3_L4_SRC_DST \
56 (ETH_RSS_L3_SRC_ONLY | ETH_RSS_L3_DST_ONLY | ETH_RSS_L4_SRC_ONLY | \
59 #define CNXK_NIX_RSS_OFFLOAD \
60 (ETH_RSS_PORT | ETH_RSS_IP | ETH_RSS_UDP | ETH_RSS_TCP | \
61 ETH_RSS_SCTP | ETH_RSS_TUNNEL | ETH_RSS_L2_PAYLOAD | \
62 CNXK_NIX_RSS_L3_L4_SRC_DST | ETH_RSS_LEVEL_MASK | ETH_RSS_C_VLAN)
64 #define CNXK_NIX_TX_OFFLOAD_CAPA \
65 (DEV_TX_OFFLOAD_MBUF_FAST_FREE | DEV_TX_OFFLOAD_MT_LOCKFREE | \
66 DEV_TX_OFFLOAD_VLAN_INSERT | DEV_TX_OFFLOAD_QINQ_INSERT | \
67 DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM | DEV_TX_OFFLOAD_OUTER_UDP_CKSUM | \
68 DEV_TX_OFFLOAD_TCP_CKSUM | DEV_TX_OFFLOAD_UDP_CKSUM | \
69 DEV_TX_OFFLOAD_SCTP_CKSUM | DEV_TX_OFFLOAD_TCP_TSO | \
70 DEV_TX_OFFLOAD_VXLAN_TNL_TSO | DEV_TX_OFFLOAD_GENEVE_TNL_TSO | \
71 DEV_TX_OFFLOAD_GRE_TNL_TSO | DEV_TX_OFFLOAD_MULTI_SEGS | \
72 DEV_TX_OFFLOAD_IPV4_CKSUM)
74 #define CNXK_NIX_RX_OFFLOAD_CAPA \
75 (DEV_RX_OFFLOAD_CHECKSUM | DEV_RX_OFFLOAD_SCTP_CKSUM | \
76 DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM | DEV_RX_OFFLOAD_SCATTER | \
77 DEV_RX_OFFLOAD_JUMBO_FRAME | DEV_RX_OFFLOAD_OUTER_UDP_CKSUM | \
78 DEV_RX_OFFLOAD_RSS_HASH)
80 #define RSS_IPV4_ENABLE \
81 (ETH_RSS_IPV4 | ETH_RSS_FRAG_IPV4 | ETH_RSS_NONFRAG_IPV4_UDP | \
82 ETH_RSS_NONFRAG_IPV4_TCP | ETH_RSS_NONFRAG_IPV4_SCTP)
84 #define RSS_IPV6_ENABLE \
85 (ETH_RSS_IPV6 | ETH_RSS_FRAG_IPV6 | ETH_RSS_NONFRAG_IPV6_UDP | \
86 ETH_RSS_NONFRAG_IPV6_TCP | ETH_RSS_NONFRAG_IPV6_SCTP)
88 #define RSS_IPV6_EX_ENABLE \
89 (ETH_RSS_IPV6_EX | ETH_RSS_IPV6_TCP_EX | ETH_RSS_IPV6_UDP_EX)
91 #define RSS_MAX_LEVELS 3
93 #define RSS_IPV4_INDEX 0
94 #define RSS_IPV6_INDEX 1
95 #define RSS_TCP_INDEX 2
96 #define RSS_UDP_INDEX 3
97 #define RSS_SCTP_INDEX 4
98 #define RSS_DMAC_INDEX 5
100 /* Default mark value used when none is provided. */
101 #define CNXK_FLOW_ACTION_FLAG_DEFAULT 0xffff
103 #define PTYPE_NON_TUNNEL_WIDTH 16
104 #define PTYPE_TUNNEL_WIDTH 12
105 #define PTYPE_NON_TUNNEL_ARRAY_SZ BIT(PTYPE_NON_TUNNEL_WIDTH)
106 #define PTYPE_TUNNEL_ARRAY_SZ BIT(PTYPE_TUNNEL_WIDTH)
107 #define PTYPE_ARRAY_SZ \
108 ((PTYPE_NON_TUNNEL_ARRAY_SZ + PTYPE_TUNNEL_ARRAY_SZ) * sizeof(uint16_t))
109 /* Fastpath lookup */
110 #define CNXK_NIX_FASTPATH_LOOKUP_MEM "cnxk_nix_fastpath_lookup_mem"
112 #define CNXK_NIX_UDP_TUN_BITMASK \
113 ((1ull << (PKT_TX_TUNNEL_VXLAN >> 45)) | \
114 (1ull << (PKT_TX_TUNNEL_GENEVE >> 45)))
117 enum rte_eth_fc_mode mode;
122 struct cnxk_eth_qconf {
124 struct rte_eth_txconf tx;
125 struct rte_eth_rxconf rx;
127 struct rte_mempool *mp;
132 struct cnxk_eth_dev {
136 /* ROC RQs, SQs and CQs */
137 struct roc_nix_rq *rqs;
138 struct roc_nix_sq *sqs;
139 struct roc_nix_cq *cqs;
141 /* Configured queue count */
146 /* Max macfilter entries */
147 uint8_t max_mac_entries;
148 bool dmac_filter_enable;
151 uint8_t ptype_disable;
154 /* Pointer back to rte */
155 struct rte_eth_dev *eth_dev;
157 /* HW capabilities / Limitations */
160 uint64_t cq_min_4k : 1;
165 /* Rx and Tx offload capabilities */
166 uint64_t rx_offload_capa;
167 uint64_t tx_offload_capa;
169 /* Configured Rx and Tx offloads */
170 uint64_t rx_offloads;
171 uint64_t tx_offloads;
172 /* Platform specific offload flags */
173 uint16_t rx_offload_flags;
174 uint16_t tx_offload_flags;
176 /* ETHDEV RSS HF bitmask */
177 uint64_t ethdev_rss_hf;
179 /* Saved qconf before lf realloc */
180 struct cnxk_eth_qconf *tx_qconf;
181 struct cnxk_eth_qconf *rx_qconf;
183 /* Flow control configuration */
184 struct cnxk_fc_cfg fc_cfg;
186 /* Rx burst for cleanup(Only Primary) */
187 eth_rx_burst_t rx_pkt_burst_no_offload;
189 /* Default mac address */
190 uint8_t mac_addr[RTE_ETHER_ADDR_LEN];
192 /* LSO Tunnel format indices */
193 uint64_t lso_tun_fmt;
195 /* Per queue statistics counters */
196 uint32_t txq_stat_map[RTE_ETHDEV_QUEUE_STAT_CNTRS];
197 uint32_t rxq_stat_map[RTE_ETHDEV_QUEUE_STAT_CNTRS];
200 struct cnxk_eth_rxq_sp {
201 struct cnxk_eth_dev *dev;
202 struct cnxk_eth_qconf qconf;
204 } __plt_cache_aligned;
206 struct cnxk_eth_txq_sp {
207 struct cnxk_eth_dev *dev;
208 struct cnxk_eth_qconf qconf;
210 } __plt_cache_aligned;
212 static inline struct cnxk_eth_dev *
213 cnxk_eth_pmd_priv(struct rte_eth_dev *eth_dev)
215 return eth_dev->data->dev_private;
218 static inline struct cnxk_eth_rxq_sp *
219 cnxk_eth_rxq_to_sp(void *__rxq)
221 return ((struct cnxk_eth_rxq_sp *)__rxq) - 1;
224 static inline struct cnxk_eth_txq_sp *
225 cnxk_eth_txq_to_sp(void *__txq)
227 return ((struct cnxk_eth_txq_sp *)__txq) - 1;
230 /* Common ethdev ops */
231 extern struct eth_dev_ops cnxk_eth_dev_ops;
234 int cnxk_nix_probe(struct rte_pci_driver *pci_drv,
235 struct rte_pci_device *pci_dev);
236 int cnxk_nix_remove(struct rte_pci_device *pci_dev);
237 int cnxk_nix_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu);
238 int cnxk_nix_mac_addr_add(struct rte_eth_dev *eth_dev,
239 struct rte_ether_addr *addr, uint32_t index,
241 void cnxk_nix_mac_addr_del(struct rte_eth_dev *eth_dev, uint32_t index);
242 int cnxk_nix_mac_addr_set(struct rte_eth_dev *eth_dev,
243 struct rte_ether_addr *addr);
244 int cnxk_nix_promisc_enable(struct rte_eth_dev *eth_dev);
245 int cnxk_nix_promisc_disable(struct rte_eth_dev *eth_dev);
246 int cnxk_nix_allmulticast_enable(struct rte_eth_dev *eth_dev);
247 int cnxk_nix_allmulticast_disable(struct rte_eth_dev *eth_dev);
248 int cnxk_nix_info_get(struct rte_eth_dev *eth_dev,
249 struct rte_eth_dev_info *dev_info);
250 int cnxk_nix_rx_burst_mode_get(struct rte_eth_dev *eth_dev, uint16_t queue_id,
251 struct rte_eth_burst_mode *mode);
252 int cnxk_nix_tx_burst_mode_get(struct rte_eth_dev *eth_dev, uint16_t queue_id,
253 struct rte_eth_burst_mode *mode);
254 int cnxk_nix_flow_ctrl_set(struct rte_eth_dev *eth_dev,
255 struct rte_eth_fc_conf *fc_conf);
256 int cnxk_nix_flow_ctrl_get(struct rte_eth_dev *eth_dev,
257 struct rte_eth_fc_conf *fc_conf);
258 int cnxk_nix_set_link_up(struct rte_eth_dev *eth_dev);
259 int cnxk_nix_set_link_down(struct rte_eth_dev *eth_dev);
260 int cnxk_nix_get_module_info(struct rte_eth_dev *eth_dev,
261 struct rte_eth_dev_module_info *modinfo);
262 int cnxk_nix_get_module_eeprom(struct rte_eth_dev *eth_dev,
263 struct rte_dev_eeprom_info *info);
264 int cnxk_nix_rx_queue_intr_enable(struct rte_eth_dev *eth_dev,
265 uint16_t rx_queue_id);
266 int cnxk_nix_rx_queue_intr_disable(struct rte_eth_dev *eth_dev,
267 uint16_t rx_queue_id);
268 int cnxk_nix_pool_ops_supported(struct rte_eth_dev *eth_dev, const char *pool);
269 int cnxk_nix_tx_done_cleanup(void *txq, uint32_t free_cnt);
271 int cnxk_nix_configure(struct rte_eth_dev *eth_dev);
272 int cnxk_nix_tx_queue_setup(struct rte_eth_dev *eth_dev, uint16_t qid,
273 uint16_t nb_desc, uint16_t fp_tx_q_sz,
274 const struct rte_eth_txconf *tx_conf);
275 int cnxk_nix_rx_queue_setup(struct rte_eth_dev *eth_dev, uint16_t qid,
276 uint16_t nb_desc, uint16_t fp_rx_q_sz,
277 const struct rte_eth_rxconf *rx_conf,
278 struct rte_mempool *mp);
279 int cnxk_nix_tx_queue_start(struct rte_eth_dev *eth_dev, uint16_t qid);
280 int cnxk_nix_tx_queue_stop(struct rte_eth_dev *eth_dev, uint16_t qid);
281 int cnxk_nix_dev_start(struct rte_eth_dev *eth_dev);
283 uint64_t cnxk_nix_rxq_mbuf_setup(struct cnxk_eth_dev *dev);
286 uint32_t cnxk_rss_ethdev_to_nix(struct cnxk_eth_dev *dev, uint64_t ethdev_rss,
290 void cnxk_nix_toggle_flag_link_cfg(struct cnxk_eth_dev *dev, bool set);
291 void cnxk_eth_dev_link_status_cb(struct roc_nix *nix,
292 struct roc_nix_link_info *link);
293 int cnxk_nix_link_update(struct rte_eth_dev *eth_dev, int wait_to_complete);
294 int cnxk_nix_queue_stats_mapping(struct rte_eth_dev *dev, uint16_t queue_id,
295 uint8_t stat_idx, uint8_t is_rx);
296 int cnxk_nix_stats_reset(struct rte_eth_dev *dev);
297 int cnxk_nix_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats);
298 int cnxk_nix_xstats_get(struct rte_eth_dev *eth_dev,
299 struct rte_eth_xstat *xstats, unsigned int n);
300 int cnxk_nix_xstats_get_names(struct rte_eth_dev *eth_dev,
301 struct rte_eth_xstat_name *xstats_names,
303 int cnxk_nix_xstats_get_names_by_id(struct rte_eth_dev *eth_dev,
304 struct rte_eth_xstat_name *xstats_names,
305 const uint64_t *ids, unsigned int limit);
306 int cnxk_nix_xstats_get_by_id(struct rte_eth_dev *eth_dev, const uint64_t *ids,
307 uint64_t *values, unsigned int n);
308 int cnxk_nix_xstats_reset(struct rte_eth_dev *eth_dev);
309 void cnxk_nix_rxq_info_get(struct rte_eth_dev *eth_dev, uint16_t qid,
310 struct rte_eth_rxq_info *qinfo);
311 void cnxk_nix_txq_info_get(struct rte_eth_dev *eth_dev, uint16_t qid,
312 struct rte_eth_txq_info *qinfo);
314 /* Lookup configuration */
315 const uint32_t *cnxk_nix_supported_ptypes_get(struct rte_eth_dev *eth_dev);
316 void *cnxk_nix_fastpath_lookup_mem_get(void);
319 int cnxk_ethdev_parse_devargs(struct rte_devargs *devargs,
320 struct cnxk_eth_dev *dev);
323 static __rte_always_inline uint64_t
324 cnxk_pktmbuf_detach(struct rte_mbuf *m)
326 struct rte_mempool *mp = m->pool;
327 uint32_t mbuf_size, buf_len;
332 /* Update refcount of direct mbuf */
333 md = rte_mbuf_from_indirect(m);
334 refcount = rte_mbuf_refcnt_update(md, -1);
336 priv_size = rte_pktmbuf_priv_size(mp);
337 mbuf_size = (uint32_t)(sizeof(struct rte_mbuf) + priv_size);
338 buf_len = rte_pktmbuf_data_room_size(mp);
340 m->priv_size = priv_size;
341 m->buf_addr = (char *)m + mbuf_size;
342 m->buf_iova = rte_mempool_virt2iova(m) + mbuf_size;
343 m->buf_len = (uint16_t)buf_len;
344 rte_pktmbuf_reset_headroom(m);
350 /* Now indirect mbuf is safe to free */
354 rte_mbuf_refcnt_set(md, 1);
365 static __rte_always_inline uint64_t
366 cnxk_nix_prefree_seg(struct rte_mbuf *m)
368 if (likely(rte_mbuf_refcnt_read(m) == 1)) {
369 if (!RTE_MBUF_DIRECT(m))
370 return cnxk_pktmbuf_detach(m);
375 } else if (rte_mbuf_refcnt_update(m, -1) == 0) {
376 if (!RTE_MBUF_DIRECT(m))
377 return cnxk_pktmbuf_detach(m);
379 rte_mbuf_refcnt_set(m, 1);
385 /* Mbuf is having refcount more than 1 so need not to be freed */
389 #endif /* __CNXK_ETHDEV_H__ */