77942f509b
The HW can have limits on the minimum packet size it can support,
or the maximum number of segments it can support. Check for such
possibilities. Also check if we are going to have a 0 length buffer.
Fixes: 6eb3cc2294 ("net/bnxt: add initial Tx code")
Cc: stable@dpdk.org
Signed-off-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
Reviewed-by: Somnath Kotur <somnath.kotur@broadcom.com>
Signed-off-by: Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com>
80 lines
2.6 KiB
C
80 lines
2.6 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
|
|
* Copyright(c) 2014-2018 Broadcom
|
|
* All rights reserved.
|
|
*/
|
|
|
|
#ifndef _BNXT_TXR_H_
|
|
#define _BNXT_TXR_H_
|
|
|
|
#include <rte_io.h>
|
|
|
|
#define MAX_TX_RINGS 16
|
|
#define BNXT_TX_PUSH_THRESH 92
|
|
#define BNXT_MAX_TSO_SEGS 32
|
|
#define BNXT_MIN_PKT_SIZE 52
|
|
|
|
#define B_TX_DB(db, prod) rte_write32((DB_KEY_TX | (prod)), db)
|
|
|
|
struct bnxt_tx_ring_info {
|
|
uint16_t tx_prod;
|
|
uint16_t tx_cons;
|
|
void *tx_doorbell;
|
|
|
|
struct tx_bd_long *tx_desc_ring;
|
|
struct bnxt_sw_tx_bd *tx_buf_ring;
|
|
|
|
rte_iova_t tx_desc_mapping;
|
|
|
|
#define BNXT_DEV_STATE_CLOSING 0x1
|
|
uint32_t dev_state;
|
|
|
|
struct bnxt_ring *tx_ring_struct;
|
|
};
|
|
|
|
struct bnxt_sw_tx_bd {
|
|
struct rte_mbuf *mbuf; /* mbuf associated with TX descriptor */
|
|
uint8_t is_gso;
|
|
unsigned short nr_bds;
|
|
};
|
|
|
|
void bnxt_free_tx_rings(struct bnxt *bp);
|
|
int bnxt_init_one_tx_ring(struct bnxt_tx_queue *txq);
|
|
int bnxt_init_tx_ring_struct(struct bnxt_tx_queue *txq, unsigned int socket_id);
|
|
uint16_t bnxt_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
|
|
uint16_t nb_pkts);
|
|
int bnxt_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id);
|
|
int bnxt_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id);
|
|
|
|
#define PKT_TX_OIP_IIP_TCP_UDP_CKSUM (PKT_TX_TCP_CKSUM | PKT_TX_UDP_CKSUM | \
|
|
PKT_TX_IP_CKSUM | PKT_TX_OUTER_IP_CKSUM)
|
|
#define PKT_TX_OIP_IIP_UDP_CKSUM (PKT_TX_UDP_CKSUM | \
|
|
PKT_TX_IP_CKSUM | PKT_TX_OUTER_IP_CKSUM)
|
|
#define PKT_TX_OIP_IIP_TCP_CKSUM (PKT_TX_TCP_CKSUM | \
|
|
PKT_TX_IP_CKSUM | PKT_TX_OUTER_IP_CKSUM)
|
|
#define PKT_TX_IIP_TCP_UDP_CKSUM (PKT_TX_TCP_CKSUM | PKT_TX_UDP_CKSUM | \
|
|
PKT_TX_IP_CKSUM)
|
|
#define PKT_TX_IIP_TCP_CKSUM (PKT_TX_TCP_CKSUM | PKT_TX_IP_CKSUM)
|
|
#define PKT_TX_IIP_UDP_CKSUM (PKT_TX_UDP_CKSUM | PKT_TX_IP_CKSUM)
|
|
#define PKT_TX_OIP_TCP_UDP_CKSUM (PKT_TX_TCP_CKSUM | PKT_TX_UDP_CKSUM | \
|
|
PKT_TX_OUTER_IP_CKSUM)
|
|
#define PKT_TX_OIP_UDP_CKSUM (PKT_TX_UDP_CKSUM | \
|
|
PKT_TX_OUTER_IP_CKSUM)
|
|
#define PKT_TX_OIP_TCP_CKSUM (PKT_TX_TCP_CKSUM | \
|
|
PKT_TX_OUTER_IP_CKSUM)
|
|
#define PKT_TX_OIP_IIP_CKSUM (PKT_TX_IP_CKSUM | \
|
|
PKT_TX_OUTER_IP_CKSUM)
|
|
#define PKT_TX_TCP_UDP_CKSUM (PKT_TX_TCP_CKSUM | PKT_TX_UDP_CKSUM)
|
|
|
|
|
|
#define TX_BD_FLG_TIP_IP_TCP_UDP_CHKSUM (TX_BD_LONG_LFLAGS_TCP_UDP_CHKSUM | \
|
|
TX_BD_LONG_LFLAGS_T_IP_CHKSUM | \
|
|
TX_BD_LONG_LFLAGS_IP_CHKSUM)
|
|
#define TX_BD_FLG_IP_TCP_UDP_CHKSUM (TX_BD_LONG_LFLAGS_TCP_UDP_CHKSUM | \
|
|
TX_BD_LONG_LFLAGS_IP_CHKSUM)
|
|
#define TX_BD_FLG_TIP_IP_CHKSUM (TX_BD_LONG_LFLAGS_T_IP_CHKSUM | \
|
|
TX_BD_LONG_LFLAGS_IP_CHKSUM)
|
|
#define TX_BD_FLG_TIP_TCP_UDP_CHKSUM (TX_BD_LONG_LFLAGS_TCP_UDP_CHKSUM | \
|
|
TX_BD_LONG_LFLAGS_T_IP_CHKSUM)
|
|
|
|
#endif
|