drivers/net/cxgbe/cxgbe.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2014-2018 Chelsio Communications.
   3  * All rights reserved.
   4  */
   5
   6 #ifndef _CXGBE_H_
   7 #define _CXGBE_H_
   8
   9 #include "base/common.h"
  10 #include "base/t4_regs.h"
  11
  12 #define CXGBE_MIN_RING_DESC_SIZE      128  /* Min TX/RX descriptor ring size */
  13 #define CXGBE_MAX_RING_DESC_SIZE      4096 /* Max TX/RX descriptor ring size */
  14
  15 #define CXGBE_DEFAULT_TX_DESC_SIZE    1024 /* Default TX ring size */
  16 #define CXGBE_DEFAULT_RX_DESC_SIZE    1024 /* Default RX ring size */
  17
  18 #define CXGBE_MIN_RX_BUFSIZE RTE_ETHER_MIN_MTU /* min buf size */
  19 #define CXGBE_MAX_RX_PKTLEN (9000 + RTE_ETHER_HDR_LEN + \
  20                                 RTE_ETHER_CRC_LEN) /* max pkt */
  21
  22 /* Max poll time is 100 * 100msec = 10 sec */
  23 #define CXGBE_LINK_STATUS_POLL_MS 100 /* 100ms */
  24 #define CXGBE_LINK_STATUS_POLL_CNT 100 /* Max number of times to poll */
  25
  26 #define CXGBE_DEFAULT_RSS_KEY_LEN     40 /* 320-bits */
  27 #define CXGBE_RSS_HF_IPV4_MASK (ETH_RSS_IPV4 | ETH_RSS_FRAG_IPV4 | \
  28                                 ETH_RSS_NONFRAG_IPV4_OTHER)
  29 #define CXGBE_RSS_HF_IPV6_MASK (ETH_RSS_IPV6 | ETH_RSS_FRAG_IPV6 | \
  30                                 ETH_RSS_NONFRAG_IPV6_OTHER | \
  31                                 ETH_RSS_IPV6_EX)
  32 #define CXGBE_RSS_HF_TCP_IPV6_MASK (ETH_RSS_NONFRAG_IPV6_TCP | \
  33                                     ETH_RSS_IPV6_TCP_EX)
  34 #define CXGBE_RSS_HF_UDP_IPV6_MASK (ETH_RSS_NONFRAG_IPV6_UDP | \
  35                                     ETH_RSS_IPV6_UDP_EX)
  36 #define CXGBE_RSS_HF_ALL (ETH_RSS_IP | ETH_RSS_TCP | ETH_RSS_UDP)
  37
  38 /* Tx/Rx Offloads supported */
  39 #define CXGBE_TX_OFFLOADS (DEV_TX_OFFLOAD_VLAN_INSERT | \
  40                            DEV_TX_OFFLOAD_IPV4_CKSUM | \
  41                            DEV_TX_OFFLOAD_UDP_CKSUM | \
  42                            DEV_TX_OFFLOAD_TCP_CKSUM | \
  43                            DEV_TX_OFFLOAD_TCP_TSO | \
  44                            DEV_TX_OFFLOAD_MULTI_SEGS)
  45
  46 #define CXGBE_RX_OFFLOADS (DEV_RX_OFFLOAD_VLAN_STRIP | \
  47                            DEV_RX_OFFLOAD_IPV4_CKSUM | \
  48                            DEV_RX_OFFLOAD_UDP_CKSUM | \
  49                            DEV_RX_OFFLOAD_TCP_CKSUM | \
  50                            DEV_RX_OFFLOAD_JUMBO_FRAME | \
  51                            DEV_RX_OFFLOAD_SCATTER | \
  52                            DEV_RX_OFFLOAD_RSS_HASH)
  53
  54
  55 /* Common PF and VF devargs */
  56 #define CXGBE_DEVARG_CMN_KEEP_OVLAN "keep_ovlan"
  57 #define CXGBE_DEVARG_CMN_TX_MODE_LATENCY "tx_mode_latency"
  58
  59 /* VF only devargs */
  60 #define CXGBE_DEVARG_VF_FORCE_LINK_UP "force_link_up"
  61
  62 bool cxgbe_force_linkup(struct adapter *adap);
  63 int cxgbe_probe(struct adapter *adapter);
  64 int cxgbevf_probe(struct adapter *adapter);
  65 void cxgbe_get_speed_caps(struct port_info *pi, u32 *speed_caps);
  66 int cxgbe_set_link_status(struct port_info *pi, bool status);
  67 int cxgbe_up(struct adapter *adap);
  68 int cxgbe_down(struct port_info *pi);
  69 void cxgbe_close(struct adapter *adapter);
  70 void cxgbe_stats_get(struct port_info *pi, struct port_stats *stats);
  71 void cxgbevf_stats_get(struct port_info *pi, struct port_stats *stats);
  72 void cxgbe_stats_reset(struct port_info *pi);
  73 int cxgbe_poll_for_completion(struct sge_rspq *q, unsigned int us,
  74                               unsigned int cnt, struct t4_completion *c);
  75 int cxgbe_link_start(struct port_info *pi);
  76 int cxgbe_setup_sge_fwevtq(struct adapter *adapter);
  77 int cxgbe_setup_sge_ctrl_txq(struct adapter *adapter);
  78 void cxgbe_cfg_queues(struct rte_eth_dev *eth_dev);
  79 int cxgbe_cfg_queue_count(struct rte_eth_dev *eth_dev);
  80 int cxgbe_init_rss(struct adapter *adap);
  81 int cxgbe_setup_rss(struct port_info *pi);
  82 void cxgbe_enable_rx_queues(struct port_info *pi);
  83 void cxgbe_print_port_info(struct adapter *adap);
  84 void cxgbe_print_adapter_info(struct adapter *adap);
  85 void cxgbe_process_devargs(struct adapter *adap);
  86 void cxgbe_configure_max_ethqsets(struct adapter *adapter);
  87
  88 #endif /* _CXGBE_H_ */