diff options
Diffstat (limited to 'drivers/net/octeontx/octeontx_rxtx.h')
| -rw-r--r-- | drivers/net/octeontx/octeontx_rxtx.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/net/octeontx/octeontx_rxtx.h b/drivers/net/octeontx/octeontx_rxtx.h index fe3e5ccd..d0d73b30 100644 --- a/drivers/net/octeontx/octeontx_rxtx.h +++ b/drivers/net/octeontx/octeontx_rxtx.h @@ -100,6 +100,39 @@ ptype_table[PTYPE_SIZE][PTYPE_SIZE][PTYPE_SIZE] = { }; +static __rte_always_inline int +__octeontx_xmit_pkts(void *lmtline_va, void *ioreg_va, int64_t *fc_status_va, + struct rte_mbuf *tx_pkt) +{ + uint64_t cmd_buf[4] __rte_cache_aligned; + uint16_t gaura_id; + + if (unlikely(*((volatile int64_t *)fc_status_va) < 0)) + return -ENOSPC; + + /* Get the gaura Id */ + gaura_id = octeontx_fpa_bufpool_gpool((uintptr_t)tx_pkt->pool->pool_id); + + /* Setup PKO_SEND_HDR_S */ + cmd_buf[0] = tx_pkt->data_len & 0xffff; + cmd_buf[1] = 0x0; + + /* Set don't free bit if reference count > 1 */ + if (rte_mbuf_refcnt_read(tx_pkt) > 1) + cmd_buf[0] |= (1ULL << 58); /* SET DF */ + + /* Setup PKO_SEND_GATHER_S */ + cmd_buf[(1 << 1) | 1] = rte_mbuf_data_iova(tx_pkt); + cmd_buf[(1 << 1) | 0] = PKO_SEND_GATHER_SUBDC | + PKO_SEND_GATHER_LDTYPE(0x1ull) | + PKO_SEND_GATHER_GAUAR((long)gaura_id) | + tx_pkt->data_len; + + octeontx_reg_lmtst(lmtline_va, ioreg_va, cmd_buf, PKO_CMD_SZ); + + return 0; +} + uint16_t octeontx_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts); |