X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Focteontx2%2Fotx2_rx.h;h=1a1ac40bdfed050a496274a3fb2862cfd21db688;hb=3b635472a99844ea47e0dbe9231294ccd6c07f85;hp=db79451b93aaf4f027dd597d295022555ba148c0;hpb=32e6aaa97c405ed5aa4232d90099437a1f89ba51;p=dpdk.git diff --git a/drivers/net/octeontx2/otx2_rx.h b/drivers/net/octeontx2/otx2_rx.h index db79451b93..1a1ac40bdf 100644 --- a/drivers/net/octeontx2/otx2_rx.h +++ b/drivers/net/octeontx2/otx2_rx.h @@ -5,17 +5,30 @@ #ifndef __OTX2_RX_H__ #define __OTX2_RX_H__ -#define PTYPE_WIDTH 12 -#define PTYPE_NON_TUNNEL_ARRAY_SZ BIT(PTYPE_WIDTH) -#define PTYPE_TUNNEL_ARRAY_SZ BIT(PTYPE_WIDTH) +/* Default mark value used when none is provided. */ +#define OTX2_FLOW_ACTION_FLAG_DEFAULT 0xffff + +#define PTYPE_NON_TUNNEL_WIDTH 16 +#define PTYPE_TUNNEL_WIDTH 12 +#define PTYPE_NON_TUNNEL_ARRAY_SZ BIT(PTYPE_NON_TUNNEL_WIDTH) +#define PTYPE_TUNNEL_ARRAY_SZ BIT(PTYPE_TUNNEL_WIDTH) #define PTYPE_ARRAY_SZ ((PTYPE_NON_TUNNEL_ARRAY_SZ +\ PTYPE_TUNNEL_ARRAY_SZ) *\ sizeof(uint16_t)) +#define NIX_RX_OFFLOAD_NONE (0) +#define NIX_RX_OFFLOAD_RSS_F BIT(0) #define NIX_RX_OFFLOAD_PTYPE_F BIT(1) +#define NIX_RX_OFFLOAD_CHECKSUM_F BIT(2) +#define NIX_RX_OFFLOAD_VLAN_STRIP_F BIT(3) #define NIX_RX_OFFLOAD_MARK_UPDATE_F BIT(4) #define NIX_RX_OFFLOAD_TSTAMP_F BIT(5) +/* Flags to control cqe_to_mbuf conversion function. + * Defining it from backwards to denote its been + * not used as offload flags to pick function + */ +#define NIX_RX_MULTI_SEG_F BIT(15) #define NIX_TIMESYNC_RX_OFFSET 8 struct otx2_timesync_info { @@ -26,4 +39,300 @@ struct otx2_timesync_info { uint8_t rx_ready; } __rte_cache_aligned; +union mbuf_initializer { + struct { + uint16_t data_off; + uint16_t refcnt; + uint16_t nb_segs; + uint16_t port; + } fields; + uint64_t value; +}; + +static __rte_always_inline void +otx2_nix_mbuf_to_tstamp(struct rte_mbuf *mbuf, + struct otx2_timesync_info *tstamp, const uint16_t flag, + uint64_t *tstamp_ptr) +{ + if ((flag & NIX_RX_OFFLOAD_TSTAMP_F) && + (mbuf->data_off == RTE_PKTMBUF_HEADROOM + + NIX_TIMESYNC_RX_OFFSET)) { + + /* Reading the rx timestamp inserted by CGX, viz at + * starting of the packet data. + */ + mbuf->timestamp = rte_be_to_cpu_64(*tstamp_ptr); + /* PKT_RX_IEEE1588_TMST flag needs to be set only in case + * PTP packets are received. + */ + if (mbuf->packet_type == RTE_PTYPE_L2_ETHER_TIMESYNC) { + tstamp->rx_tstamp = mbuf->timestamp; + tstamp->rx_ready = 1; + mbuf->ol_flags |= PKT_RX_IEEE1588_PTP | + PKT_RX_IEEE1588_TMST | PKT_RX_TIMESTAMP; + } + } +} + +static __rte_always_inline uint64_t +nix_clear_data_off(uint64_t oldval) +{ + union mbuf_initializer mbuf_init = { .value = oldval }; + + mbuf_init.fields.data_off = 0; + return mbuf_init.value; +} + +static __rte_always_inline struct rte_mbuf * +nix_get_mbuf_from_cqe(void *cq, const uint64_t data_off) +{ + rte_iova_t buff; + + /* Skip CQE, NIX_RX_PARSE_S and SG HDR(9 DWORDs) and peek buff addr */ + buff = *((rte_iova_t *)((uint64_t *)cq + 9)); + return (struct rte_mbuf *)(buff - data_off); +} + + +static __rte_always_inline uint32_t +nix_ptype_get(const void * const lookup_mem, const uint64_t in) +{ + const uint16_t * const ptype = lookup_mem; + const uint16_t lh_lg_lf = (in & 0xFFF0000000000000) >> 52; + const uint16_t tu_l2 = ptype[(in & 0x000FFFF000000000) >> 36]; + const uint16_t il4_tu = ptype[PTYPE_NON_TUNNEL_ARRAY_SZ + lh_lg_lf]; + + return (il4_tu << PTYPE_NON_TUNNEL_WIDTH) | tu_l2; +} + +static __rte_always_inline uint32_t +nix_rx_olflags_get(const void * const lookup_mem, const uint64_t in) +{ + const uint32_t * const ol_flags = (const uint32_t *) + ((const uint8_t *)lookup_mem + PTYPE_ARRAY_SZ); + + return ol_flags[(in & 0xfff00000) >> 20]; +} + +static inline uint64_t +nix_update_match_id(const uint16_t match_id, uint64_t ol_flags, + struct rte_mbuf *mbuf) +{ + /* There is no separate bit to check match_id + * is valid or not? and no flag to identify it is an + * RTE_FLOW_ACTION_TYPE_FLAG vs RTE_FLOW_ACTION_TYPE_MARK + * action. The former case addressed through 0 being invalid + * value and inc/dec match_id pair when MARK is activated. + * The later case addressed through defining + * OTX2_FLOW_MARK_DEFAULT as value for + * RTE_FLOW_ACTION_TYPE_MARK. + * This would translate to not use + * OTX2_FLOW_ACTION_FLAG_DEFAULT - 1 and + * OTX2_FLOW_ACTION_FLAG_DEFAULT for match_id. + * i.e valid mark_id's are from + * 0 to OTX2_FLOW_ACTION_FLAG_DEFAULT - 2 + */ + if (likely(match_id)) { + ol_flags |= PKT_RX_FDIR; + if (match_id != OTX2_FLOW_ACTION_FLAG_DEFAULT) { + ol_flags |= PKT_RX_FDIR_ID; + mbuf->hash.fdir.hi = match_id - 1; + } + } + + return ol_flags; +} + +static __rte_always_inline void +nix_cqe_xtract_mseg(const struct nix_rx_parse_s *rx, + struct rte_mbuf *mbuf, uint64_t rearm) +{ + const rte_iova_t *iova_list; + struct rte_mbuf *head; + const rte_iova_t *eol; + uint8_t nb_segs; + uint64_t sg; + + sg = *(const uint64_t *)(rx + 1); + nb_segs = (sg >> 48) & 0x3; + mbuf->nb_segs = nb_segs; + mbuf->data_len = sg & 0xFFFF; + sg = sg >> 16; + + eol = ((const rte_iova_t *)(rx + 1) + ((rx->desc_sizem1 + 1) << 1)); + /* Skip SG_S and first IOVA*/ + iova_list = ((const rte_iova_t *)(rx + 1)) + 2; + nb_segs--; + + rearm = rearm & ~0xFFFF; + + head = mbuf; + while (nb_segs) { + mbuf->next = ((struct rte_mbuf *)*iova_list) - 1; + mbuf = mbuf->next; + + __mempool_check_cookies(mbuf->pool, (void **)&mbuf, 1, 1); + + mbuf->data_len = sg & 0xFFFF; + sg = sg >> 16; + *(uint64_t *)(&mbuf->rearm_data) = rearm; + nb_segs--; + iova_list++; + + if (!nb_segs && (iova_list + 1 < eol)) { + sg = *(const uint64_t *)(iova_list); + nb_segs = (sg >> 48) & 0x3; + head->nb_segs += nb_segs; + iova_list = (const rte_iova_t *)(iova_list + 1); + } + } +} + +static __rte_always_inline void +otx2_nix_cqe_to_mbuf(const struct nix_cqe_hdr_s *cq, const uint32_t tag, + struct rte_mbuf *mbuf, const void *lookup_mem, + const uint64_t val, const uint16_t flag) +{ + const struct nix_rx_parse_s *rx = + (const struct nix_rx_parse_s *)((const uint64_t *)cq + 1); + const uint64_t w1 = *(const uint64_t *)rx; + const uint16_t len = rx->pkt_lenm1 + 1; + uint64_t ol_flags = 0; + + /* Mark mempool obj as "get" as it is alloc'ed by NIX */ + __mempool_check_cookies(mbuf->pool, (void **)&mbuf, 1, 1); + + if (flag & NIX_RX_OFFLOAD_PTYPE_F) + mbuf->packet_type = nix_ptype_get(lookup_mem, w1); + else + mbuf->packet_type = 0; + + if (flag & NIX_RX_OFFLOAD_RSS_F) { + mbuf->hash.rss = tag; + ol_flags |= PKT_RX_RSS_HASH; + } + + if (flag & NIX_RX_OFFLOAD_CHECKSUM_F) + ol_flags |= nix_rx_olflags_get(lookup_mem, w1); + + if (flag & NIX_RX_OFFLOAD_VLAN_STRIP_F) { + if (rx->vtag0_gone) { + ol_flags |= PKT_RX_VLAN | PKT_RX_VLAN_STRIPPED; + mbuf->vlan_tci = rx->vtag0_tci; + } + if (rx->vtag1_gone) { + ol_flags |= PKT_RX_QINQ | PKT_RX_QINQ_STRIPPED; + mbuf->vlan_tci_outer = rx->vtag1_tci; + } + } + + if (flag & NIX_RX_OFFLOAD_MARK_UPDATE_F) + ol_flags = nix_update_match_id(rx->match_id, ol_flags, mbuf); + + mbuf->ol_flags = ol_flags; + *(uint64_t *)(&mbuf->rearm_data) = val; + mbuf->pkt_len = len; + + if (flag & NIX_RX_MULTI_SEG_F) + nix_cqe_xtract_mseg(rx, mbuf, val); + else + mbuf->data_len = len; +} + +#define CKSUM_F NIX_RX_OFFLOAD_CHECKSUM_F +#define PTYPE_F NIX_RX_OFFLOAD_PTYPE_F +#define RSS_F NIX_RX_OFFLOAD_RSS_F +#define RX_VLAN_F NIX_RX_OFFLOAD_VLAN_STRIP_F +#define MARK_F NIX_RX_OFFLOAD_MARK_UPDATE_F +#define TS_F NIX_RX_OFFLOAD_TSTAMP_F + +/* [TSMP] [MARK] [VLAN] [CKSUM] [PTYPE] [RSS] */ +#define NIX_RX_FASTPATH_MODES \ +R(no_offload, 0, 0, 0, 0, 0, 0, NIX_RX_OFFLOAD_NONE) \ +R(rss, 0, 0, 0, 0, 0, 1, RSS_F) \ +R(ptype, 0, 0, 0, 0, 1, 0, PTYPE_F) \ +R(ptype_rss, 0, 0, 0, 0, 1, 1, PTYPE_F | RSS_F) \ +R(cksum, 0, 0, 0, 1, 0, 0, CKSUM_F) \ +R(cksum_rss, 0, 0, 0, 1, 0, 1, CKSUM_F | RSS_F) \ +R(cksum_ptype, 0, 0, 0, 1, 1, 0, CKSUM_F | PTYPE_F) \ +R(cksum_ptype_rss, 0, 0, 0, 1, 1, 1, CKSUM_F | PTYPE_F | RSS_F)\ +R(vlan, 0, 0, 1, 0, 0, 0, RX_VLAN_F) \ +R(vlan_rss, 0, 0, 1, 0, 0, 1, RX_VLAN_F | RSS_F) \ +R(vlan_ptype, 0, 0, 1, 0, 1, 0, RX_VLAN_F | PTYPE_F) \ +R(vlan_ptype_rss, 0, 0, 1, 0, 1, 1, RX_VLAN_F | PTYPE_F | RSS_F)\ +R(vlan_cksum, 0, 0, 1, 1, 0, 0, RX_VLAN_F | CKSUM_F) \ +R(vlan_cksum_rss, 0, 0, 1, 1, 0, 1, RX_VLAN_F | CKSUM_F | RSS_F)\ +R(vlan_cksum_ptype, 0, 0, 1, 1, 1, 0, \ + RX_VLAN_F | CKSUM_F | PTYPE_F) \ +R(vlan_cksum_ptype_rss, 0, 0, 1, 1, 1, 1, \ + RX_VLAN_F | CKSUM_F | PTYPE_F | RSS_F) \ +R(mark, 0, 1, 0, 0, 0, 0, MARK_F) \ +R(mark_rss, 0, 1, 0, 0, 0, 1, MARK_F | RSS_F) \ +R(mark_ptype, 0, 1, 0, 0, 1, 0, MARK_F | PTYPE_F) \ +R(mark_ptype_rss, 0, 1, 0, 0, 1, 1, MARK_F | PTYPE_F | RSS_F)\ +R(mark_cksum, 0, 1, 0, 1, 0, 0, MARK_F | CKSUM_F) \ +R(mark_cksum_rss, 0, 1, 0, 1, 0, 1, MARK_F | CKSUM_F | RSS_F)\ +R(mark_cksum_ptype, 0, 1, 0, 1, 1, 0, MARK_F | CKSUM_F | PTYPE_F)\ +R(mark_cksum_ptype_rss, 0, 1, 0, 1, 1, 1, \ + MARK_F | CKSUM_F | PTYPE_F | RSS_F) \ +R(mark_vlan, 0, 1, 1, 0, 0, 0, MARK_F | RX_VLAN_F) \ +R(mark_vlan_rss, 0, 1, 1, 0, 0, 1, MARK_F | RX_VLAN_F | RSS_F)\ +R(mark_vlan_ptype, 0, 1, 1, 0, 1, 0, \ + MARK_F | RX_VLAN_F | PTYPE_F) \ +R(mark_vlan_ptype_rss, 0, 1, 1, 0, 1, 1, \ + MARK_F | RX_VLAN_F | PTYPE_F | RSS_F) \ +R(mark_vlan_cksum, 0, 1, 1, 1, 0, 0, \ + MARK_F | RX_VLAN_F | CKSUM_F) \ +R(mark_vlan_cksum_rss, 0, 1, 1, 1, 0, 1, \ + MARK_F | RX_VLAN_F | CKSUM_F | RSS_F) \ +R(mark_vlan_cksum_ptype, 0, 1, 1, 1, 1, 0, \ + MARK_F | RX_VLAN_F | CKSUM_F | PTYPE_F) \ +R(mark_vlan_cksum_ptype_rss, 0, 1, 1, 1, 1, 1, \ + MARK_F | RX_VLAN_F | CKSUM_F | PTYPE_F | RSS_F) \ +R(ts, 1, 0, 0, 0, 0, 0, TS_F) \ +R(ts_rss, 1, 0, 0, 0, 0, 1, TS_F | RSS_F) \ +R(ts_ptype, 1, 0, 0, 0, 1, 0, TS_F | PTYPE_F) \ +R(ts_ptype_rss, 1, 0, 0, 0, 1, 1, TS_F | PTYPE_F | RSS_F)\ +R(ts_cksum, 1, 0, 0, 1, 0, 0, TS_F | CKSUM_F) \ +R(ts_cksum_rss, 1, 0, 0, 1, 0, 1, TS_F | CKSUM_F | RSS_F)\ +R(ts_cksum_ptype, 1, 0, 0, 1, 1, 0, TS_F | CKSUM_F | PTYPE_F)\ +R(ts_cksum_ptype_rss, 1, 0, 0, 1, 1, 1, \ + TS_F | CKSUM_F | PTYPE_F | RSS_F) \ +R(ts_vlan, 1, 0, 1, 0, 0, 0, TS_F | RX_VLAN_F) \ +R(ts_vlan_rss, 1, 0, 1, 0, 0, 1, TS_F | RX_VLAN_F | RSS_F)\ +R(ts_vlan_ptype, 1, 0, 1, 0, 1, 0, TS_F | RX_VLAN_F | PTYPE_F)\ +R(ts_vlan_ptype_rss, 1, 0, 1, 0, 1, 1, \ + TS_F | RX_VLAN_F | PTYPE_F | RSS_F) \ +R(ts_vlan_cksum, 1, 0, 1, 1, 0, 0, \ + TS_F | RX_VLAN_F | CKSUM_F) \ +R(ts_vlan_cksum_rss, 1, 0, 1, 1, 0, 1, \ + MARK_F | RX_VLAN_F | CKSUM_F | RSS_F) \ +R(ts_vlan_cksum_ptype, 1, 0, 1, 1, 1, 0, \ + TS_F | RX_VLAN_F | CKSUM_F | PTYPE_F) \ +R(ts_vlan_cksum_ptype_rss, 1, 0, 1, 1, 1, 1, \ + TS_F | RX_VLAN_F | CKSUM_F | PTYPE_F | RSS_F) \ +R(ts_mark, 1, 1, 0, 0, 0, 0, TS_F | MARK_F) \ +R(ts_mark_rss, 1, 1, 0, 0, 0, 1, TS_F | MARK_F | RSS_F)\ +R(ts_mark_ptype, 1, 1, 0, 0, 1, 0, TS_F | MARK_F | PTYPE_F)\ +R(ts_mark_ptype_rss, 1, 1, 0, 0, 1, 1, \ + TS_F | MARK_F | PTYPE_F | RSS_F) \ +R(ts_mark_cksum, 1, 1, 0, 1, 0, 0, TS_F | MARK_F | CKSUM_F)\ +R(ts_mark_cksum_rss, 1, 1, 0, 1, 0, 1, \ + TS_F | MARK_F | CKSUM_F | RSS_F)\ +R(ts_mark_cksum_ptype, 1, 1, 0, 1, 1, 0, \ + TS_F | MARK_F | CKSUM_F | PTYPE_F) \ +R(ts_mark_cksum_ptype_rss, 1, 1, 0, 1, 1, 1, \ + TS_F | MARK_F | CKSUM_F | PTYPE_F | RSS_F) \ +R(ts_mark_vlan, 1, 1, 1, 0, 0, 0, TS_F | MARK_F | RX_VLAN_F)\ +R(ts_mark_vlan_rss, 1, 1, 1, 0, 0, 1, \ + TS_F | MARK_F | RX_VLAN_F | RSS_F)\ +R(ts_mark_vlan_ptype, 1, 1, 1, 0, 1, 0, \ + TS_F | MARK_F | RX_VLAN_F | PTYPE_F) \ +R(ts_mark_vlan_ptype_rss, 1, 1, 1, 0, 1, 1, \ + TS_F | MARK_F | RX_VLAN_F | PTYPE_F | RSS_F) \ +R(ts_mark_vlan_cksum_ptype, 1, 1, 1, 1, 1, 0, \ + TS_F | MARK_F | RX_VLAN_F | CKSUM_F | PTYPE_F) \ +R(ts_mark_vlan_cksum_ptype_rss, 1, 1, 1, 1, 1, 1, \ + TS_F | MARK_F | RX_VLAN_F | CKSUM_F | PTYPE_F | RSS_F) + #endif /* __OTX2_RX_H__ */