1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2010-2014 Intel Corporation 3 */ 4 5 #ifndef _VMXNET3_ETHDEV_H_ 6 #define _VMXNET3_ETHDEV_H_ 7 8 #include <rte_io.h> 9 #include <rte_mbuf_dyn.h> 10 11 #define VMXNET3_MAX_MAC_ADDRS 1 12 13 /* UPT feature to negotiate */ 14 #define VMXNET3_F_RXCSUM 0x0001 15 #define VMXNET3_F_RSS 0x0002 16 #define VMXNET3_F_RXVLAN 0x0004 17 #define VMXNET3_F_LRO 0x0008 18 19 /* Hash Types supported by device */ 20 #define VMXNET3_RSS_HASH_TYPE_NONE 0x0 21 #define VMXNET3_RSS_HASH_TYPE_IPV4 0x01 22 #define VMXNET3_RSS_HASH_TYPE_TCP_IPV4 0x02 23 #define VMXNET3_RSS_HASH_TYPE_IPV6 0x04 24 #define VMXNET3_RSS_HASH_TYPE_TCP_IPV6 0x08 25 26 #define VMXNET3_RSS_HASH_FUNC_NONE 0x0 27 #define VMXNET3_RSS_HASH_FUNC_TOEPLITZ 0x01 28 29 #define VMXNET3_RSS_MAX_KEY_SIZE 40 30 #define VMXNET3_RSS_MAX_IND_TABLE_SIZE 128 31 #define VMXNET3_MAX_MSIX_VECT (VMXNET3_MAX_TX_QUEUES + \ 32 VMXNET3_MAX_RX_QUEUES + 1) 33 34 #define VMXNET3_RSS_OFFLOAD_ALL ( \ 35 RTE_ETH_RSS_IPV4 | \ 36 RTE_ETH_RSS_NONFRAG_IPV4_TCP | \ 37 RTE_ETH_RSS_IPV6 | \ 38 RTE_ETH_RSS_NONFRAG_IPV6_TCP) 39 40 #define VMXNET3_V4_RSS_MASK ( \ 41 RTE_ETH_RSS_NONFRAG_IPV4_UDP | \ 42 RTE_ETH_RSS_NONFRAG_IPV6_UDP) 43 44 #define VMXNET3_MANDATORY_V4_RSS ( \ 45 RTE_ETH_RSS_NONFRAG_IPV4_TCP | \ 46 RTE_ETH_RSS_NONFRAG_IPV6_TCP) 47 48 /* RSS configuration structure - shared with device through GPA */ 49 typedef struct VMXNET3_RSSConf { 50 uint16_t hashType; 51 uint16_t hashFunc; 52 uint16_t hashKeySize; 53 uint16_t indTableSize; 54 uint8_t hashKey[VMXNET3_RSS_MAX_KEY_SIZE]; 55 /* 56 * indTable is only element that can be changed without 57 * device quiesce-reset-update-activation cycle 58 */ 59 uint8_t indTable[VMXNET3_RSS_MAX_IND_TABLE_SIZE]; 60 } VMXNET3_RSSConf; 61 62 typedef struct vmxnet3_mf_table { 63 void *mfTableBase; /* Multicast addresses list */ 64 uint64_t mfTablePA; /* Physical address of the list */ 65 uint16_t num_addrs; /* number of multicast addrs */ 66 } vmxnet3_mf_table_t; 67 68 struct vmxnet3_intr { 69 enum vmxnet3_intr_mask_mode mask_mode; 70 enum vmxnet3_intr_type type; /* MSI-X, MSI, or INTx? */ 71 uint8_t num_intrs; /* # of intr vectors */ 72 uint8_t event_intr_idx; /* idx of the intr vector for event */ 73 uint8_t mod_levels[VMXNET3_MAX_MSIX_VECT]; /* moderation level */ 74 bool lsc_only; /* no Rx queue interrupt */ 75 }; 76 77 struct vmxnet3_hw { 78 uint8_t *hw_addr0; /* BAR0: PT-Passthrough Regs */ 79 uint8_t *hw_addr1; /* BAR1: VD-Virtual Device Regs */ 80 /* BAR2: MSI-X Regs */ 81 /* BAR3: Port IO */ 82 void *back; 83 84 uint16_t device_id; 85 uint16_t vendor_id; 86 uint16_t subsystem_device_id; 87 uint16_t subsystem_vendor_id; 88 bool adapter_stopped; 89 90 uint8_t perm_addr[RTE_ETHER_ADDR_LEN]; 91 uint8_t num_tx_queues; 92 uint8_t num_rx_queues; 93 uint8_t bufs_per_pkt; 94 95 uint8_t version; 96 97 uint16_t txdata_desc_size; /* tx data ring buffer size */ 98 uint16_t rxdata_desc_size; /* rx data ring buffer size */ 99 100 uint8_t num_intrs; 101 102 Vmxnet3_TxQueueDesc *tqd_start; /* start address of all tx queue desc */ 103 Vmxnet3_RxQueueDesc *rqd_start; /* start address of all rx queue desc */ 104 105 Vmxnet3_DriverShared *shared; 106 uint64_t sharedPA; 107 108 uint64_t queueDescPA; 109 uint16_t queue_desc_len; 110 uint16_t mtu; 111 112 VMXNET3_RSSConf *rss_conf; 113 uint64_t rss_confPA; 114 vmxnet3_mf_table_t *mf_table; 115 uint32_t shadow_vfta[VMXNET3_VFT_SIZE]; 116 struct vmxnet3_intr intr; 117 Vmxnet3_MemRegs *memRegs; 118 uint64_t memRegsPA; 119 #define VMXNET3_VFT_TABLE_SIZE (VMXNET3_VFT_SIZE * sizeof(uint32_t)) 120 UPT1_TxStats saved_tx_stats[VMXNET3_MAX_TX_QUEUES]; 121 UPT1_RxStats saved_rx_stats[VMXNET3_MAX_RX_QUEUES]; 122 123 UPT1_TxStats snapshot_tx_stats[VMXNET3_MAX_TX_QUEUES]; 124 UPT1_RxStats snapshot_rx_stats[VMXNET3_MAX_RX_QUEUES]; 125 }; 126 127 #define VMXNET3_REV_4 3 /* Vmxnet3 Rev. 4 */ 128 #define VMXNET3_REV_3 2 /* Vmxnet3 Rev. 3 */ 129 #define VMXNET3_REV_2 1 /* Vmxnet3 Rev. 2 */ 130 #define VMXNET3_REV_1 0 /* Vmxnet3 Rev. 1 */ 131 132 #define VMXNET3_VERSION_GE_4(hw) ((hw)->version >= VMXNET3_REV_4 + 1) 133 #define VMXNET3_VERSION_GE_3(hw) ((hw)->version >= VMXNET3_REV_3 + 1) 134 #define VMXNET3_VERSION_GE_2(hw) ((hw)->version >= VMXNET3_REV_2 + 1) 135 136 #define VMXNET3_GET_ADDR_LO(reg) ((uint32_t)(reg)) 137 #define VMXNET3_GET_ADDR_HI(reg) ((uint32_t)(((uint64_t)(reg)) >> 32)) 138 139 /* Config space read/writes */ 140 141 #define VMXNET3_PCI_REG(reg) rte_read32(reg) 142 143 static inline uint32_t 144 vmxnet3_read_addr(volatile void *addr) 145 { 146 return VMXNET3_PCI_REG(addr); 147 } 148 149 #define VMXNET3_PCI_REG_WRITE(reg, value) rte_write32((value), (reg)) 150 151 #define VMXNET3_PCI_BAR0_REG_ADDR(hw, reg) \ 152 ((volatile uint32_t *)((char *)(hw)->hw_addr0 + (reg))) 153 #define VMXNET3_READ_BAR0_REG(hw, reg) \ 154 vmxnet3_read_addr(VMXNET3_PCI_BAR0_REG_ADDR((hw), (reg))) 155 #define VMXNET3_WRITE_BAR0_REG(hw, reg, value) \ 156 VMXNET3_PCI_REG_WRITE(VMXNET3_PCI_BAR0_REG_ADDR((hw), (reg)), (value)) 157 158 #define VMXNET3_PCI_BAR1_REG_ADDR(hw, reg) \ 159 ((volatile uint32_t *)((char *)(hw)->hw_addr1 + (reg))) 160 #define VMXNET3_READ_BAR1_REG(hw, reg) \ 161 vmxnet3_read_addr(VMXNET3_PCI_BAR1_REG_ADDR((hw), (reg))) 162 #define VMXNET3_WRITE_BAR1_REG(hw, reg, value) \ 163 VMXNET3_PCI_REG_WRITE(VMXNET3_PCI_BAR1_REG_ADDR((hw), (reg)), (value)) 164 165 static inline uint8_t 166 vmxnet3_get_ring_idx(struct vmxnet3_hw *hw, uint32 rqID) 167 { 168 return (rqID >= hw->num_rx_queues && 169 rqID < 2 * hw->num_rx_queues) ? 1 : 0; 170 } 171 172 static inline bool 173 vmxnet3_rx_data_ring(struct vmxnet3_hw *hw, uint32 rqID) 174 { 175 return (rqID >= 2 * hw->num_rx_queues && 176 rqID < 3 * hw->num_rx_queues); 177 } 178 179 /* 180 * RX/TX function prototypes 181 */ 182 183 void vmxnet3_dev_clear_queues(struct rte_eth_dev *dev); 184 185 void vmxnet3_dev_rx_queue_release(struct rte_eth_dev *dev, uint16_t qid); 186 void vmxnet3_dev_tx_queue_release(struct rte_eth_dev *dev, uint16_t qid); 187 188 int vmxnet3_v4_rss_configure(struct rte_eth_dev *dev); 189 190 int vmxnet3_dev_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id, 191 uint16_t nb_rx_desc, unsigned int socket_id, 192 const struct rte_eth_rxconf *rx_conf, 193 struct rte_mempool *mb_pool); 194 int vmxnet3_dev_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id, 195 uint16_t nb_tx_desc, unsigned int socket_id, 196 const struct rte_eth_txconf *tx_conf); 197 198 int vmxnet3_dev_rxtx_init(struct rte_eth_dev *dev); 199 200 int vmxnet3_rss_configure(struct rte_eth_dev *dev); 201 202 uint16_t vmxnet3_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, 203 uint16_t nb_pkts); 204 uint16_t vmxnet3_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, 205 uint16_t nb_pkts); 206 uint16_t vmxnet3_prep_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, 207 uint16_t nb_pkts); 208 209 #define VMXNET3_SEGS_DYNFIELD_NAME "rte_net_vmxnet3_dynfield_segs" 210 typedef uint8_t vmxnet3_segs_dynfield_t; 211 extern int vmxnet3_segs_dynfield_offset; 212 213 static inline vmxnet3_segs_dynfield_t * 214 vmxnet3_segs_dynfield(struct rte_mbuf *mbuf) 215 { 216 return RTE_MBUF_DYNFIELD(mbuf, \ 217 vmxnet3_segs_dynfield_offset, vmxnet3_segs_dynfield_t *); 218 } 219 220 #endif /* _VMXNET3_ETHDEV_H_ */ 221