637e34befd
1) Use nb_rx_pkts instead of checking producer indices of Rx and aggregator rings to decide if any Rx completions were processed. 2) Post Rx buffers early in Rx processing instead of waiting for the budgeted burst quota. 3) Ring Rx CQ DB after Rx buffers are posted. Signed-off-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
114 lines
3.0 KiB
C
114 lines
3.0 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright(c) 2014-2018 Broadcom
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* All rights reserved.
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*/
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#ifndef _BNXT_RXR_H_
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#define _BNXT_RXR_H_
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#define B_RX_DB(db, prod) \
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(*(uint32_t *)db = (DB_KEY_RX | prod))
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#define BNXT_TPA_L4_SIZE(x) \
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{ \
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typeof(x) hdr_info = (x); \
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(((hdr_info) & 0xf8000000) ? ((hdr_info) >> 27) : 32) \
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}
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#define BNXT_TPA_INNER_L3_OFF(hdr_info) \
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(((hdr_info) >> 18) & 0x1ff)
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#define BNXT_TPA_INNER_L2_OFF(hdr_info) \
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(((hdr_info) >> 9) & 0x1ff)
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#define BNXT_TPA_OUTER_L3_OFF(hdr_info) \
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((hdr_info) & 0x1ff)
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#define RX_CMP_L4_CS_BITS \
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rte_cpu_to_le_32(RX_PKT_CMPL_FLAGS2_L4_CS_CALC | \
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RX_PKT_CMPL_FLAGS2_T_L4_CS_CALC)
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#define RX_CMP_L4_CS_ERR_BITS \
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rte_cpu_to_le_32(RX_PKT_CMPL_ERRORS_L4_CS_ERROR | \
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RX_PKT_CMPL_ERRORS_T_L4_CS_ERROR)
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#define RX_CMP_L4_CS_OK(rxcmp1) \
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(((rxcmp1)->flags2 & RX_CMP_L4_CS_BITS) && \
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!((rxcmp1)->errors_v2 & RX_CMP_L4_CS_ERR_BITS))
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#define RX_CMP_L4_CS_UNKNOWN(rxcmp1) \
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!((rxcmp1)->flags2 & RX_CMP_L4_CS_BITS)
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#define RX_CMP_IP_CS_ERR_BITS \
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rte_cpu_to_le_32(RX_PKT_CMPL_ERRORS_IP_CS_ERROR | \
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RX_PKT_CMPL_ERRORS_T_IP_CS_ERROR)
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#define RX_CMP_IP_CS_BITS \
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rte_cpu_to_le_32(RX_PKT_CMPL_FLAGS2_IP_CS_CALC | \
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RX_PKT_CMPL_FLAGS2_T_IP_CS_CALC)
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#define RX_CMP_IP_CS_OK(rxcmp1) \
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(((rxcmp1)->flags2 & RX_CMP_IP_CS_BITS) && \
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!((rxcmp1)->errors_v2 & RX_CMP_IP_CS_ERR_BITS))
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#define RX_CMP_IP_CS_UNKNOWN(rxcmp1) \
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!((rxcmp1)->flags2 & RX_CMP_IP_CS_BITS)
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#define BNXT_RX_POST_THRESH 32
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enum pkt_hash_types {
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PKT_HASH_TYPE_NONE, /* Undefined type */
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PKT_HASH_TYPE_L2, /* Input: src_MAC, dest_MAC */
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PKT_HASH_TYPE_L3, /* Input: src_IP, dst_IP */
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PKT_HASH_TYPE_L4, /* Input: src_IP, dst_IP, src_port, dst_port */
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};
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struct bnxt_tpa_info {
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struct rte_mbuf *mbuf;
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uint16_t len;
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unsigned short gso_type;
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uint32_t flags2;
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uint32_t metadata;
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enum pkt_hash_types hash_type;
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uint32_t rss_hash;
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uint32_t hdr_info;
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};
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struct bnxt_sw_rx_bd {
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struct rte_mbuf *mbuf; /* data associated with RX descriptor */
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};
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struct bnxt_rx_ring_info {
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uint16_t rx_prod;
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uint16_t ag_prod;
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void *rx_doorbell;
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void *ag_doorbell;
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struct rx_prod_pkt_bd *rx_desc_ring;
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struct rx_prod_pkt_bd *ag_desc_ring;
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struct bnxt_sw_rx_bd *rx_buf_ring; /* sw ring */
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struct bnxt_sw_rx_bd *ag_buf_ring; /* sw ring */
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rte_iova_t rx_desc_mapping;
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rte_iova_t ag_desc_mapping;
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struct bnxt_ring *rx_ring_struct;
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struct bnxt_ring *ag_ring_struct;
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/*
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* To deal with out of order return from TPA, use free buffer indicator
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*/
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struct rte_bitmap *ag_bitmap;
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struct bnxt_tpa_info *tpa_info;
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};
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uint16_t bnxt_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
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uint16_t nb_pkts);
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void bnxt_free_rx_rings(struct bnxt *bp);
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int bnxt_init_rx_ring_struct(struct bnxt_rx_queue *rxq, unsigned int socket_id);
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int bnxt_init_one_rx_ring(struct bnxt_rx_queue *rxq);
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int bnxt_rx_queue_start(struct rte_eth_dev *dev, uint16_t rx_queue_id);
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int bnxt_rx_queue_stop(struct rte_eth_dev *dev, uint16_t rx_queue_id);
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#endif
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