/* SPDX-License-Identifier: GPL-2.0 */ /* Copyright(c) 2022 - 2024 Mucse Corporation. */ #ifndef _RNPM_H_ #define _RNPM_H_ #include #include #include #include #include #include #include #include #include #include #include #include #include "rnpm_type.h" #include "rnpm_common.h" /* common prefix used by pr_<> macros */ #undef pr_fmt #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #define RNPM_ALLOC_PAGE_ORDER (0) #define RNPM_PAGE_BUFFER_NUMS(ring) \ ((1 << RNPM_ALLOC_PAGE_ORDER) * PAGE_SIZE / \ ALIGN((rnpm_rx_offset(ring) + rnpm_rx_bufsz(ring) + \ SKB_DATA_ALIGN(sizeof(struct skb_shared_info)) + \ RNPM_RX_HWTS_OFFSET), \ 1024)) /* TX/RX descriptor defines */ #ifdef FEITENG #define RNPM_DEFAULT_TXD (1024) #else #define RNPM_DEFAULT_TXD (1024) #endif #define RNPM_N400_DEFAULT_TXD (256) #define RNPM_DEFAULT_TX_WORK (256) #define RNPM_MIN_TX_WORK (32) #define RNPM_MAX_TX_WORK (512) #define RNPM_MIN_RX_WORK (32) #define RNPM_MAX_RX_WORK (512) #define RNPM_WORK_ALIGN (2) #define RNPM_MIN_TX_FRAME (1) #define RNPM_MAX_TX_FRAME (256) #define RNPM_MIN_TX_USEC (30) #define RNPM_MAX_TX_USEC (10000) #define RNPM_DEFAULT_HIGH_RX_USEC (1600) #define RNPM_DEFAULT_LOW_RX_USEC (200) #ifndef RNPM_IRQ_CHECK_USEC #define RNPM_IRQ_CHECK_USEC 1000 #endif #define RNPM_MIN_RX_FRAME (1) #define RNPM_MAX_RX_FRAME (256) #define RNPM_MIN_RX_USEC (10) #define RNPM_MAX_RX_USEC (10000) #define RNP_MAX_VF_FUNCTIONS 64 #define RNPM_MAX_TXD (4096) #define RNPM_MIN_TXD (64) #define RNPM_DEFAULT_SAMPLE_INTERVAL (10) #define RNPM_DEFAULT_ENABLE (1) #define RNPM_DEFAULT_DISABLE (0) #define RNPM_DEFAULT_NAPI_BUDGE (64) #define RNPM_REQ_TX_DESCRIPTOR_MULTIPLE (8) #define RNPM_REQ_RX_DESCRIPTOR_MULTIPLE (8) #ifdef FEITENG #define RNPM_DEFAULT_RXD (1024) #else #define RNPM_DEFAULT_RXD (1024) #endif #define RNPM_MAX_RXD (4096) #define RNPM_MIN_RXD (64) /* Phy */ #define AUTO_ALL_MODES 0 /* flow control */ #define RNPM_MIN_FCRTL (0x40) #define RNPM_MAX_FCRTL (0x7FF80) #define RNPM_MIN_FCRTH (0x600) #define RNPM_MAX_FCRTH (0x7FFF0) #define RNPM_DEFAULT_FCPAUSE (0xffff) #define RNPM_DEFAULT_HIGH_WATER (0x320) #define RNPM_DEFAULT_LOW_WATER (0x270) #define RNPM_MIN_FCPAUSE (0) #define RNPM_MAX_FCPAUSE (0xFFFF) /* Supported Rx Buffer Sizes */ /* Used for skb receive header */ #define RNPM_RXBUFFER_256 256 #define RNPM_RXBUFFER_1536 1536 #define RNPM_RXBUFFER_2K 2048 #define RNPM_RXBUFFER_3K 3072 #define RNPM_RXBUFFER_4K 4096 #define RNPM_MAX_RXBUFFER 16384 /* largest size for a single descriptor */ #define RNPM_RXBUFFER_MAX (RNPM_RXBUFFER_2K) #define MAX_Q_VECTORS 128 #define RNPM_RING_COUNTS_PEER_PF 8 #ifdef NETIF_F_GSO_PARTIAL #define RNPM_GSO_PARTIAL_FEATURES \ (NETIF_F_GSO_GRE | NETIF_F_GSO_GRE_CSUM | NETIF_F_GSO_UDP_TUNNEL | \ NETIF_F_GSO_UDP_TUNNEL_CSUM) #endif /* NETIF_F_GSO_PARTIAL */ /* NOTE: netdev_alloc_skb reserves up to 64 bytes, NET_IP_ALIGN means we * reserve 64 more, and skb_shared_info adds an additional 320 bytes more, * this adds up to 448 bytes of extra data. * * Since netdev_alloc_skb now allocates a page fragment we can use a value * of 256 and the resultant skb will have a truesize of 960 or less. */ #define RNPM_RX_HDR_SIZE RNPM_RXBUFFER_256 #define RNPM_ITR_ADAPTIVE_MIN_INC 2 #define RNPM_ITR_ADAPTIVE_MIN_USECS 8 #define RNPM_ITR_ADAPTIVE_MAX_USECS 800 #define RNPM_ITR_ADAPTIVE_LATENCY 0x400 #define RNPM_ITR_ADAPTIVE_BULK 0x00 /* How many Rx Buffers do we bundle into one write to the hardware ? */ #ifdef RNPM_OPTM_WITH_LPAGE #define RNPM_RX_BUFFER_WRITE (PAGE_SIZE / 2048) /* Must be power of 2 */ #else #define RNPM_RX_BUFFER_WRITE 16 /* Must be power of 2 */ #endif enum rnpm_tx_flags { /* cmd_type flags */ RNPM_TX_FLAGS_HW_VLAN = 0x01, RNPM_TX_FLAGS_TSO = 0x02, RNPM_TX_FLAGS_TSTAMP = 0x04, /* olinfo flags */ RNPM_TX_FLAGS_CC = 0x08, RNPM_TX_FLAGS_IPV4 = 0x10, RNPM_TX_FLAGS_CSUM = 0x20, /* software defined flags */ RNPM_TX_FLAGS_SW_VLAN = 0x40, RNPM_TX_FLAGS_FCOE = 0x80, }; /* modify this in asic version */ #define RNPM_MAX_VF_CNT 64 #define RNPM_RX_RATE_HIGH 450000 #define RNPM_RX_COAL_TIME_HIGH 128 #define RNPM_RX_SIZE_THRESH 1024 #define RNPM_RX_RATE_THRESH (1000000 / RNPM_RX_COAL_TIME_HIGH) #define RNPM_SAMPLE_INTERVAL 0 #define RNPM_AVG_PKT_SMALL 256 #define RNPM_MAX_VF_MC_ENTRIES 30 #define RNPM_MAX_VF_FUNCTIONS RNPM_MAX_VF_CNT #define RNPM_MAX_VFTA_ENTRIES 128 #define MAX_EMULATION_MAC_ADDRS 16 #define RNPM_MAX_PF_MACVLANS 15 #define PF_RING_CNT_WHEN_IOV_ENABLED 2 #define VMDQ_P(p) ((p) + adapter->ring_feature[RING_F_VMDQ].offset) struct vf_data_storage { unsigned char vf_mac_addresses[ETH_ALEN]; u16 vf_mc_hashes[RNPM_MAX_VF_MC_ENTRIES]; u16 num_vf_mc_hashes; u16 default_vf_vlan_id; u16 vlans_enabled; bool clear_to_send; bool pf_set_mac; u16 pf_vlan; /* When set, guest VLAN config not allowed. */ u16 pf_qos; u16 tx_rate; u16 vlan_count; u8 spoofchk_enabled; unsigned int vf_api; }; struct vf_macvlans { struct list_head l; int vf; int rar_entry; bool free; bool is_macvlan; u8 vf_macvlan[ETH_ALEN]; }; /* now tx max 4k for one desc */ #define RNPM_MAX_TXD_PWR 12 #define RNPM_MAX_DATA_PER_TXD (1 << RNPM_MAX_TXD_PWR) /* Tx Descriptors needed, worst case */ #define TXD_USE_COUNT(S) DIV_ROUND_UP((S), RNPM_MAX_DATA_PER_TXD) #define DESC_NEEDED (MAX_SKB_FRAGS + 4) /* wrapper around a pointer to a socket buffer, * so a DMA handle can be stored along with the buffers */ struct rnpm_tx_buffer { struct rnpm_tx_desc *next_to_watch; unsigned long time_stamp; struct sk_buff *skb; unsigned int bytecount; unsigned short gso_segs; #ifdef RNPM_FIX_MAC_PADDING bool gso_need_padding; #endif __be16 protocol; DEFINE_DMA_UNMAP_ADDR(dma); DEFINE_DMA_UNMAP_LEN(len); union { u32 tx_flags; struct { u16 vlan; u16 cmd_flags; }; }; __le32 mac_ip_len; /* for control desc */ union { u32 mss_len_vf_num; struct { __le16 mss_len; u8 vf_num; u8 l4_hdr_len; }; }; union { u32 inner_vlan_tunnel_len; struct { u8 tunnel_hdr_len; u8 inner_vlan_l; u8 inner_vlan_h; u8 resv; }; }; u32 type_tucmd; bool ctx_flag; }; struct rnpm_rx_buffer { struct sk_buff *skb; dma_addr_t dma; struct page *page; #if (BITS_PER_LONG > 32) || (PAGE_SIZE >= 65536) __u32 page_offset; #else __u16 page_offset; #endif __u16 pagecnt_bias; }; struct rnpm_queue_stats { u64 packets; u64 bytes; }; struct rnpm_tx_queue_stats { u64 restart_queue; u64 tx_busy; u64 tx_done_old; u64 clean_desc; u64 poll_count; u64 irq_more_count; u64 send_bytes; u64 send_bytes_to_hw; u64 todo_update; u64 send_done_bytes; u64 vlan_add; u64 tx_irq_miss; u64 tx_next_to_clean; u64 tx_equal_count; }; struct rnpm_rx_queue_stats { u64 driver_drop_packets; u64 rsc_count; u64 rsc_flush; u64 non_eop_descs; u64 alloc_rx_page_failed; u64 alloc_rx_buff_failed; u64 csum_err; u64 csum_good; u64 poll_again_count; u64 vlan_remove; u64 alloc_rx_page; u64 rx_irq_miss; u64 rx_next_to_clean; u64 rx_equal_count; u64 rx_poll_packets; u64 rx_poll_avg_packets; u64 rx_poll_itr; //u64 poll_count; }; enum rnpm_ring_state_t { __RNPM_RX_3K_BUFFER, __RNPM_RX_BUILD_SKB_ENABLED, __RNPM_TX_FDIR_INIT_DONE, __RNPM_TX_XPS_INIT_DONE, __RNPM_TX_DETECT_HANG, __RNPM_HANG_CHECK_ARMED, //__RNPM_RX_RSC_ENABLED, __RNPM_RX_CSUM_UDP_ZERO_ERR, __RNPM_RX_FCOE, }; #define ring_uses_build_skb(ring) \ test_bit(__RNPM_RX_BUILD_SKB_ENABLED, &(ring)->state) #define check_for_tx_hang(ring) test_bit(__RNPM_TX_DETECT_HANG, &(ring)->state) #define set_check_for_tx_hang(ring) \ set_bit(__RNPM_TX_DETECT_HANG, &(ring)->state) #define clear_check_for_tx_hang(ring) \ clear_bit(__RNPM_TX_DETECT_HANG, &(ring)->state) #define netdev_ring(ring) (ring->netdev) struct rnpm_ring { struct rnpm_ring *next; /* pointer to next ring in q_vector */ struct rnpm_q_vector *q_vector; /* backpointer to host q_vector */ struct net_device *netdev; /* netdev ring belongs to */ struct device *dev; /* device for DMA mapping */ void *desc; /* descriptor ring memory */ union { struct rnpm_tx_buffer *tx_buffer_info; struct rnpm_rx_buffer *rx_buffer_info; }; unsigned long last_rx_timestamp; unsigned long state; u8 __iomem *tail; u8 __iomem *dma_hw_addr; u8 __iomem *dma_int_stat; u8 __iomem *dma_int_mask; u8 __iomem *dma_int_clr; dma_addr_t dma; /* phys. address of descriptor ring */ unsigned int size; /* length in bytes */ u32 ring_flags; #define RNPM_RING_FLAG_DELAY_SETUP_RX_LEN ((u32)(1 << 0)) #define RNPM_RING_FLAG_CHANGE_RX_LEN ((u32)(1 << 1)) #define RNPM_RING_FLAG_DO_RESET_RX_LEN ((u32)(1 << 2)) u8 pfvfnum; u8 gso_padto_bytes; u16 count; /* amount of descriptors */ u16 temp_count; u16 reset_count; u8 queue_index; /* queue_index needed for multiqueue queue management */ u8 rnpm_queue_idx; /*the real ring,used by dma*/ u16 next_to_use; //tail (not-dma-mapped) u16 next_to_clean; //soft-saved-head u16 device_id; #ifdef RNPM_OPTM_WITH_LPAGE u16 rx_page_buf_nums; u32 rx_per_buf_mem; struct sk_buff *skb; #endif union { u16 next_to_alloc; struct { u8 atr_sample_rate; u8 atr_count; }; }; u8 dcb_tc; struct rnpm_queue_stats stats; struct u64_stats_sync syncp; union { struct rnpm_tx_queue_stats tx_stats; struct rnpm_rx_queue_stats rx_stats; }; } ____cacheline_internodealigned_in_smp; #define RING2ADAPT(ring) netdev_priv((ring)->netdev) enum rnpm_ring_f_enum { RING_F_NONE = 0, RING_F_VMDQ, /* SR-IOV uses the same ring feature */ RING_F_RSS, RING_F_FDIR, RING_F_ARRAY_SIZE /* must be last in enum set */ }; #define RNPM_MAX_RSS_INDICES 128 #define RNPM_MAX_RSS_INDICES_UV3P 8 #define RNPM_MAX_VMDQ_INDICES 64 #define RNPM_MAX_FDIR_INDICES 63 /* based on q_vector limit */ #define RNPM_MAX_FCOE_INDICES 8 #define MAX_RX_QUEUES (128) #define MAX_TX_QUEUES (128) #define MAX_PORT_NUM (4) /* one pf has 4 ports max */ struct rnpm_ring_feature { u16 limit; /* upper limit on feature indices */ u16 indices; /* current value of indices */ u16 mask; /* Mask used for feature to ring mapping */ u16 offset; /* offset to start of feature */ } ____cacheline_internodealigned_in_smp; #define RNPM_n10_VMDQ_8Q_MASK 0x78 #define RNPM_n10_VMDQ_4Q_MASK 0x7C #define RNPM_n10_VMDQ_2Q_MASK 0x7E /* FCoE requires that all Rx buffers be over 2200 bytes in length. Since * this is twice the size of a half page we need to double the page order * for FCoE enabled Rx queues. */ static inline unsigned int rnpm_rx_bufsz(struct rnpm_ring *ring) { // 1 rx-desc trans max half page(2048), for jumbo frame sg is needed // return RNPM_RXBUFFER_MAX; return RNPM_RXBUFFER_1536 - NET_IP_ALIGN; } /* SG , 1 rx-desc use one page */ static inline unsigned int rnpm_rx_pg_order(struct rnpm_ring *ring) { /* fixed 1 page */ /* we don't support 3k buffer */ return 0; } #define rnpm_rx_pg_size(_ring) (PAGE_SIZE << rnpm_rx_pg_order(_ring)) struct rnpm_ring_container { struct rnpm_ring *ring; /* pointer to linked list of rings */ unsigned long next_update; /* jiffies value of last update */ unsigned int total_bytes; /* total bytes processed this int */ unsigned int total_packets; /* total packets processed this int */ /* record rnpm poll function exec times in one jiffies */ unsigned int poll_times; u16 work_limit; /* total work allowed per interrupt */ u8 count; /* total number of rings in vector */ u16 itr; /* current ITR/MSIX vector setting for ring */ }; /* iterator for handling rings in ring container */ #define rnpm_for_each_ring(pos, head) \ for (pos = (head).ring; pos != NULL; pos = pos->next) #define MAX_RX_PACKET_BUFFERS ((adapter->flags & RNPM_FLAG_DCB_ENABLED) ? 8 : 1) #define MAX_TX_PACKET_BUFFERS MAX_RX_PACKET_BUFFERS /* MAX_Q_VECTORS of these are allocated, * but we only use one per queue-specific vector. */ struct rnpm_q_vector { int new_rx_count; int old_rx_count; struct rnpm_adapter *adapter; int factor; /* index of q_vector within array, also used for * finding the bit in EICR and friends that * represents the vector for this rings */ u16 v_idx; u16 itr; struct rnpm_ring_container rx, tx; struct napi_struct napi; cpumask_t affinity_mask; struct irq_affinity_notify affinity_notify; int numa_node; struct rcu_head rcu; /* to avoid race with update stats on free */ int irq_check_usecs; struct hrtimer irq_miss_check_timer; // to check irq miss #define RNPM_IRQ_MISS_HANDLE_DONE ((u32)(1 << 0)) // #define RNPM_IRQ_VECTOR_SOFT_DISABLE (u32)(1 << 1) unsigned long flags; char name[IFNAMSIZ + 9]; /* for dynamic allocation of rings associated with this q_vector */ struct rnpm_ring ring[0] ____cacheline_internodealigned_in_smp; }; #define RNPM_HWMON_TYPE_LOC 0 #define RNPM_HWMON_TYPE_TEMP 1 #define RNPM_HWMON_TYPE_CAUTION 2 #define RNPM_HWMON_TYPE_MAX 3 #define RNPM_HWMON_TYPE_NAME 4 struct hwmon_attr { struct device_attribute dev_attr; struct rnpm_hw *hw; struct rnpm_thermal_diode_data *sensor; char name[12]; }; struct hwmon_buff { struct attribute_group group; const struct attribute_group *groups[2]; struct attribute *attrs[RNPM_MAX_SENSORS * 4 + 1]; struct hwmon_attr hwmon_list[RNPM_MAX_SENSORS * 4]; unsigned int n_hwmon; }; /* rnpm_test_staterr - tests bits in Rx descriptor status and error fields */ static inline __le16 rnpm_test_staterr(union rnpm_rx_desc *rx_desc, const u16 stat_err_bits) { return rx_desc->wb.cmd & cpu_to_le16(stat_err_bits); } static inline __le16 rnpm_get_stat(union rnpm_rx_desc *rx_desc, const u16 stat_mask) { return rx_desc->wb.cmd & cpu_to_le16(stat_mask); } static inline u16 rnpm_desc_unused(struct rnpm_ring *ring) { u16 ntc = ring->next_to_clean; u16 ntu = ring->next_to_use; return ((ntc > ntu) ? 0 : ring->count) + ntc - ntu - 1; } static inline u16 rnpm_desc_unused_rx(struct rnpm_ring *ring) { u16 ntc = ring->next_to_clean; u16 ntu = ring->next_to_use; return ((ntc > ntu) ? 0 : ring->count) + ntc - ntu - 1; } #define RNPM_RX_DESC(R, i) (&(((union rnpm_rx_desc *)((R)->desc))[i])) #define RNPM_TX_DESC(R, i) (&(((struct rnpm_tx_desc *)((R)->desc))[i])) #define RNPM_TX_CTXTDESC(R, i) (&(((struct rnpm_tx_ctx_desc *)((R)->desc))[i])) #define RNPM_MAX_JUMBO_FRAME_SIZE 9590 /* Maximum Supported Size 9.5KB */ #define RNPM_MIN_MTU 68 #define OTHER_VECTOR 1 #define NON_Q_VECTORS (OTHER_VECTOR) /* default to trying for four seconds */ #define RNPM_TRY_LINK_TIMEOUT (4 * HZ) #define RNPM_MAX_USER_PRIO (8) #define RNPM_MAX_TCS_NUM (3) struct rnpm_pfc_cfg { u8 pfc_max; /* hardware can enabled max pfc channel */ u8 hw_pfc_map; /* enable the prio channel bit */ u8 pfc_num; /* at present enabled the pfc-channel num */ u8 pfc_en; /* enabled the pfc feature or not */ }; struct rnpm_dcb_cfg { u8 tc_num; u16 delay; /* pause time */ u8 dcb_en; /* enabled the dcb feature or not */ u8 dcbx_mode; struct rnpm_pfc_cfg pfc_cfg; /* statistic info */ u64 requests[RNPM_MAX_TCS_NUM]; u64 indications[RNPM_MAX_TCS_NUM]; enum rnpm_fc_mode last_lfc_mode; }; /* board pf adapter */ struct rnpm_pf_adapter { unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; spinlock_t vlan_setup_lock; spinlock_t drop_setup_lock; spinlock_t dummy_setup_lock; spinlock_t pf_setup_lock; struct timer_list service_timer; struct work_struct service_task; #define RNPM_PF_RESET ((u32)(1 << 0)) #define RNPM_PF_SET_MTU ((u32)(1 << 1)) #define RNPM_PF_LINK_CHANGE ((u32)(1 << 2)) #define RNPM_PF_SERVICE_SKIP_HANDLE ((u32)(1 << 3)) unsigned long flags; struct pci_dev *pdev; struct rnpm_adapter *adapter[MAX_PORT_NUM]; bool force_10g_1g_speed_ablity; int register_sequence[MAX_PORT_NUM]; int adapter_cnt; u8 __iomem *hw_bar2; u8 __iomem *hw_addr; u8 __iomem *hw_addr4; u8 __iomem *hw_bar0; u32 board_type; u32 port_valid; /* only used in 8 ports */ u32 port_names; /* only used in 8 ports */ u32 bd_number; u8 __iomem *rpu_addr; u8 rpu_inited; /* msix table */ struct msix_entry *msix_entries; int max_msix_counts[MAX_PORT_NUM]; int other_irq; spinlock_t key_setup_lock; /* size of RSS Hash Key in bytes */ #define RNPM_RSS_KEY_SIZE 40 u8 rss_key[RNPM_RSS_KEY_SIZE]; u32 rss_key_setup_flag; u8 default_rx_ring; /* multicast addr */ spinlock_t mc_setup_lock; u32 mcft_size; u32 mc_filter_type; u32 mc_location; /* netdev rx status */ u32 num_mc_addrs[MAX_PORT_NUM]; u32 mta_in_use[MAX_PORT_NUM]; #define RNPM_MAX_MTA 128 u32 mta_shadow[RNPM_MAX_MTA]; u32 fctrl[MAX_PORT_NUM]; /* vlan filter status */ u32 vlan_filter_status[MAX_PORT_NUM]; spinlock_t vlan_filter_lock; u32 vlan_status_true; /* priv_flags used by mutiports */ u32 priv_flags; spinlock_t priv_flags_lock; u8 lane_link_status; struct mutex mbx_lock; unsigned long state; u32 timer_count; /* just for mailbox use */ struct rnpm_hw hw; char name[60]; }; enum priv_bits { mac_loopback = 0, switch_loopback = 1, veb_enable = 4, padding_enable = 8, padding_debug_enable = 0x10, }; /* board specific private data structure */ struct rnpm_adapter { unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; struct rnpm_pf_adapter *pf_adapter; /* OS defined structs */ struct net_device *netdev; bool rm_mode; bool netdev_registered; struct pci_dev *pdev; bool quit_poll_thread; struct task_struct *rx_poll_thread; unsigned long state; /* this var is used for auto itr modify */ /* hw not Supported well */ unsigned long last_moder_packets[MAX_RX_QUEUES]; unsigned long last_moder_tx_packets; unsigned long last_moder_bytes[MAX_RX_QUEUES]; unsigned long last_moder_jiffies; int last_moder_time[MAX_RX_QUEUES]; u32 timer_count; u32 service_count; /* only rx itr is Supported */ u32 rx_usecs; u32 rx_frames; u32 tx_usecs; u32 tx_frames; u32 pkt_rate_low; u16 rx_usecs_low; u32 pkt_rate_high; u16 rx_usecs_high; u32 sample_interval; u32 adaptive_rx_coal; u32 adaptive_tx_coal; u32 auto_rx_coal; int lane; int speed; int napi_budge; union { int phy_addr; struct { u8 mod_abs : 1; u8 fault : 1; u8 tx_dis : 1; u8 los : 1; } sfp; }; struct { u32 main; u32 pre; u32 post; u32 tx_boost; } si; u8 an : 1; u8 fec : 1; u8 link_traing : 1; u8 duplex : 1; /* Some features need tri-state capability, * thus the additional *_CAPABLE flags. */ u32 vf_num_for_pf; u32 flags; #define RNPM_FLAG_MSI_CAPABLE ((u32)(1 << 0)) #define RNPM_FLAG_MSI_ENABLED ((u32)(1 << 1)) #define RNPM_FLAG_MSIX_CAPABLE ((u32)(1 << 2)) #define RNPM_FLAG_MSIX_ENABLED ((u32)(1 << 3)) #define RNPM_FLAG_RX_1BUF_CAPABLE ((u32)(1 << 4)) #define RNPM_FLAG_RX_PS_CAPABLE ((u32)(1 << 5)) #define RNPM_FLAG_RX_PS_ENABLED ((u32)(1 << 6)) #define RNPM_FLAG_IN_NETPOLL ((u32)(1 << 7)) #define RNPM_FLAG_DCA_ENABLED ((u32)(1 << 8)) #define RNPM_FLAG_DCA_CAPABLE ((u32)(1 << 9)) #define RNPM_FLAG_IMIR_ENABLED ((u32)(1 << 10)) #define RNPM_FLAG_MQ_CAPABLE ((u32)(1 << 11)) #define RNPM_FLAG_DCB_ENABLED ((u32)(1 << 12)) #define RNPM_FLAG_VMDQ_CAPABLE ((u32)(1 << 13)) #define RNPM_FLAG_VMDQ_ENABLED ((u32)(1 << 14)) #define RNPM_FLAG_FAN_FAIL_CAPABLE ((u32)(1 << 15)) #define RNPM_FLAG_NEED_LINK_UPDATE ((u32)(1 << 16)) #define RNPM_FLAG_NEED_LINK_CONFIG ((u32)(1 << 17)) #define RNPM_FLAG_FDIR_HASH_CAPABLE ((u32)(1 << 18)) #define RNPM_FLAG_FDIR_PERFECT_CAPABLE ((u32)(1 << 19)) #define RNPM_FLAG_FCOE_CAPABLE ((u32)(1 << 20)) #define RNPM_FLAG_FCOE_ENABLED ((u32)(1 << 21)) #define RNPM_FLAG_SRIOV_CAPABLE ((u32)(1 << 22)) #define RNPM_FLAG_SRIOV_ENABLED ((u32)(1 << 23)) #define RNPM_FLAG_MUTIPORT_ENABLED ((u32)(1 << 24)) /* only in mutiport mode */ #define RNPM_FLAG_RXHASH_DISABLE ((u32)(1 << 25)) #define RNPM_FLAG_VXLAN_OFFLOAD_CAPABLE ((u32)(1 << 26)) #define RNPM_FLAG_VXLAN_OFFLOAD_ENABLE ((u32)(1 << 27)) #define RNPM_FLAG_SWITCH_LOOPBACK_EN ((u32)(1 << 28)) u32 flags2; #define RNPM_FLAG2_RSC_CAPABLE ((u32)(1 << 0)) #define RNPM_FLAG2_RSC_ENABLED ((u32)(1 << 1)) #define RNPM_FLAG2_TEMP_SENSOR_CAPABLE ((u32)(1 << 2)) #define RNPM_FLAG2_TEMP_SENSOR_EVENT ((u32)(1 << 3)) #define RNPM_FLAG2_SEARCH_FOR_SFP ((u32)(1 << 4)) #define RNPM_FLAG2_SFP_NEEDS_RESET ((u32)(1 << 5)) #define RNPM_FLAG2_RESET_REQUESTED ((u32)(1 << 6)) #define RNPM_FLAG2_FDIR_REQUIRES_REINIT ((u32)(1 << 7)) #define RNPM_FLAG2_RSS_FIELD_IPV4_UDP ((u32)(1 << 8)) #define RNPM_FLAG2_RSS_FIELD_IPV6_UDP ((u32)(1 << 9)) #define RNPM_FLAG2_PTP_ENABLED ((u32)(1 << 10)) #define RNPM_FLAG2_PTP_PPS_ENABLED ((u32)(1 << 11)) #define RNPM_FLAG2_BRIDGE_MODE_VEB ((u32)(1 << 12)) #define RNPM_FLAG2_VLAN_STAGS_ENABLED ((u32)(1 << 13)) #define RNPM_FLAG2_UDP_TUN_REREG_NEEDED ((u32)(1 << 14)) #define RNPM_FLAG2_TX_RATE_SETUP ((u32)(1 << 14)) u32 flags_feature; #define RNPM_FLAG_DELAY_UPDATE_VLAN_FILTER ((u32)(1 << 0)) #define RNPM_FLAG_DELAY_UPDATE_VLAN_TABLE ((u32)(1 << 1)) #define RNPM_FLAG_DELAY_UPDATE_MUTICAST_TABLE ((u32)(1 << 1)) u32 priv_flags; #define RNPM_PRIV_FLAG_MAC_LOOPBACK BIT(0) #define RNPM_PRIV_FLAG_SWITCH_LOOPBACK BIT(1) #define RNPM_PRIV_FLAG_VEB_ENABLE BIT(2) #define RNPM_PRIV_FLAG_PCIE_CACHE_ALIGN_PATCH BIT(3) #define RNPM_PRIV_FLAG_PADDING_DEBUG BIT(4) #define RNPM_PRIV_FLAG_PTP_DEBUG BIT(5) #define RNPM_PRIV_FLAG_SIMUATE_DOWN BIT(6) #define RNPM_PRIV_FLAG_TO_RPU BIT(7) #define RNPM_PRIV_FLAG_LEN_ERR BIT(8) #define RNPM_PRIV_FLAG_FW_10G_1G_AUTO_DETCH_EN BIT(9) #define RNPM_PRIV_FLAG_TX_PADDING BIT(13) #define RNPM_PRIV_FLAG_FORCE_SPEED_ABLIY BIT(14) #define RNPM_PRIV_FLAG_LLDP_EN_STAT BIT(15) /* Tx fast path data */ unsigned int num_tx_queues; unsigned int max_ring_pair_counts; unsigned int max_msix_counts; u16 tx_work_limit; __be16 vxlan_port; __be16 geneve_port; /* Rx fast path data */ int num_rx_queues; u16 rx_itr_setting; u32 eth_queue_idx; u32 max_rate[MAX_TX_QUEUES]; /* TX */ struct rnpm_ring *tx_ring[MAX_TX_QUEUES] ____cacheline_aligned_in_smp; int tx_ring_item_count; u64 restart_queue; u64 lsc_int; u32 tx_timeout_count; /* RX */ struct rnpm_ring *rx_ring[MAX_RX_QUEUES]; int rx_ring_item_count; u64 hw_csum_rx_error; u64 hw_csum_rx_good; u64 hw_rx_no_dma_resources; u64 rsc_total_count; u64 rsc_total_flush; u64 non_eop_descs; u32 alloc_rx_page_failed; u32 alloc_rx_buff_failed; int num_other_vectors; struct rnpm_q_vector *q_vector[MAX_Q_VECTORS]; /*used for IEEE 1588 ptp clock start*/ const struct rnpm_hwtimestamp *hwts_ops; struct ptp_clock *ptp_clock; struct ptp_clock_info ptp_clock_ops; struct sk_buff *ptp_tx_skb; struct hwtstamp_config tstamp_config; u32 ptp_config_value; spinlock_t ptp_lock; /* Used to protect the SYSTIME registers. */ u64 clk_ptp_rate; /*uint is HZ 1MHz＝1 000 000Hz*/ u32 sub_second_inc; u32 systime_flags; struct timespec64 ptp_prev_hw_time; unsigned int default_addend; bool ptp_tx_en; bool ptp_rx_en; struct work_struct tx_hwtstamp_work; unsigned long tx_hwtstamp_start; unsigned long tx_hwtstamp_skipped; unsigned long tx_timeout_factor; u64 tx_hwtstamp_timeouts; /*used for IEEE 1588 ptp clock end */ /* DCB parameters */ struct rnpm_dcb_cfg dcb_cfg; u8 prio_tc_map[RNPM_MAX_USER_PRIO]; u8 num_tc; int num_q_vectors; /* current number of q_vectors for device */ int max_q_vectors; /* true count of q_vectors for device */ struct rnpm_ring_feature ring_feature[RING_F_ARRAY_SIZE]; struct msix_entry *msix_entries; u32 test_icr; struct rnpm_ring test_tx_ring; struct rnpm_ring test_rx_ring; /* structs defined in rnpm_hw.h */ struct rnpm_hw hw; u16 msg_enable; struct rnpm_hw_stats hw_stats; u64 tx_busy; u32 link_speed; bool link_up; unsigned long link_check_timeout; struct timer_list service_timer; struct work_struct service_task; /* fdir relative */ struct hlist_head fdir_filter_list; unsigned long fdir_overflow; /* number of times ATR was backed off */ union rnpm_atr_input fdir_mask; int fdir_mode; int fdir_filter_count; int layer2_count; int layer2_count_max; int layer2_offset; int tuple_5_count; int tuple_5_count_max; int tuple_5_offset; u32 fdir_pballoc; //total count u32 atr_sample_rate; spinlock_t fdir_perfect_lock; u32 wol; u16 bd_number; u16 vector_off; u16 eeprom_verh; u16 eeprom_verl; u16 eeprom_cap; u16 stags_vid; u32 interrupt_event; u32 led_reg; /* maintain */ char *maintain_buf; int maintain_buf_len; void *maintain_dma_buf; dma_addr_t maintain_dma_phy; int maintain_dma_size; int maintain_in_bytes; /* SR-IOV */ DECLARE_BITMAP(active_vfs, RNPM_MAX_VF_FUNCTIONS); unsigned int num_vfs; struct vf_data_storage *vfinfo; int vf_rate_link_speed; struct vf_macvlans vf_mvs; struct vf_macvlans *mv_list; u32 timer_event_accumulator; u32 vferr_refcount; struct kobject *info_kobj; struct hwmon_buff *rnpm_hwmon_buff; #ifdef CONFIG_DEBUG_FS struct dentry *rnpm_dbg_adapter; #endif /*CONFIG_DEBUG_FS*/ u8 default_up; //u8 veb_vfnum; u8 port; /* nr_pf_port: 0 or 1 */ u8 portid_of_card; /* port num in card*/ #define RNPM_MAX_RETA_ENTRIES 512 u8 rss_indir_tbl[RNPM_MAX_RETA_ENTRIES]; u32 rss_tbl_setup_flag; /* #define RNPM_RSS_KEY_SIZE 40 * u8 rss_key[RNPM_RSS_KEY_SIZE]; * u32 rss_key_setup_flag; * struct rnpm_info* info; */ bool dma2_in_1pf; u8 uc_off; u8 uc_num; char name[60]; }; struct rnpm_fdir_filter { struct hlist_node fdir_node; union rnpm_atr_input filter; u16 sw_idx; u16 hw_idx; u32 vf_num; u64 action; }; enum rnpm_state_t { __RNPM_TESTING, __RNPM_RESETTING, __RNPM_DOWN, __RNPM_SERVICE_SCHED, __RNPM_IN_SFP_INIT, __RNPM_READ_I2C, __RNPM_PTP_TX_IN_PROGRESS, __RNPM_REMOVING, }; struct rnpm_cb { union { /* Union defining head/tail partner */ struct sk_buff *head; struct sk_buff *tail; }; dma_addr_t dma; u16 append_cnt; bool page_released; }; #define RNPM_CB(skb) ((struct rnpm_cb *)(skb)->cb) enum rnpm_boards { board_n10_709_1pf_2x10G, // not support board_n10_vu440_1pf_2x10G, // not support board_vu440_2x10G, board_vu440_2x40G, board_n10_uv3p_1pf_2x10G, // not support board_vu440_4x10G, board_vu440_8x10G, board_n10, board_n400_4x1G, }; #ifdef CONFIG_RNPM_DCB extern const struct dcbnl_rtnl_ops dcbnl_ops; #endif extern char rnpm_driver_name[]; extern const char rnpm_driver_version[]; extern struct rnpm_info rnpm_n10_info; extern struct rnpm_info rnpm_n400_4x1G_info; extern void rnpm_up(struct rnpm_adapter *adapter); extern void rnpm_down(struct rnpm_adapter *adapter); extern void rnpm_reinit_locked(struct rnpm_adapter *adapter); extern void rnpm_reset(struct rnpm_adapter *adapter); extern void rnpm_set_ethtool_ops(struct net_device *netdev); extern int rnpm_setup_rx_resources(struct rnpm_ring *ring, struct rnpm_adapter *adapter); extern int rnpm_setup_tx_resources(struct rnpm_ring *ring, struct rnpm_adapter *adapter); extern void rnpm_free_rx_resources(struct rnpm_ring *ring); extern void rnpm_free_tx_resources(struct rnpm_ring *ring); extern void rnpm_configure_rx_ring(struct rnpm_adapter *adapter, struct rnpm_ring *ring); extern void rnpm_configure_tx_ring(struct rnpm_adapter *adapter, struct rnpm_ring *ring); extern void rnpm_disable_rx_queue(struct rnpm_adapter *adapter, struct rnpm_ring *ring); extern void rnpm_update_stats(struct rnpm_adapter *adapter); extern int rnpm_init_interrupt_scheme(struct rnpm_adapter *adapter); extern int rnpm_wol_supported(struct rnpm_adapter *adapter, u16 device_id, u16 subdevice_id); extern void rnpm_clear_interrupt_scheme(struct rnpm_adapter *adapter); extern netdev_tx_t rnpm_xmit_frame_ring(struct sk_buff *skb, struct rnpm_adapter *adapter, struct rnpm_ring *ring); extern void rnpm_unmap_and_free_tx_resource(struct rnpm_ring *ring, struct rnpm_tx_buffer *buffer); extern void rnpm_alloc_rx_buffers(struct rnpm_ring *ring, u16 cnt); extern int rnpm_poll(struct napi_struct *napi, int budget); extern int ethtool_ioctl(struct ifreq *ifr); extern s32 rnpm_reinit_fdir_tables_n10(struct rnpm_hw *hw); extern s32 rnpm_init_fdir_signature_n10(struct rnpm_hw *hw, u32 fdirctrl); extern s32 rnpm_init_fdir_perfect_n10(struct rnpm_hw *hw, u32 fdirctrl); extern s32 rnpm_fdir_add_signature_filter_n10(struct rnpm_hw *hw, union rnpm_atr_hash_dword input, union rnpm_atr_hash_dword common, u8 queue); extern void rnpm_release_hw_control(struct rnpm_adapter *adapter); extern void rnpm_get_hw_control(struct rnpm_adapter *adapter); extern s32 rnpm_fdir_set_input_mask_n10(struct rnpm_hw *hw, union rnpm_atr_input *input_mask); extern s32 rnpm_fdir_write_perfect_filter_n10(struct rnpm_hw *hw, union rnpm_atr_input *input, u16 soft_id, u8 queue); extern s32 rnpm_fdir_erase_perfect_filter_n10(struct rnpm_hw *hw, union rnpm_atr_input *input, u16 soft_id); extern void rnpm_atr_compute_perfect_hash_n10(union rnpm_atr_input *input, union rnpm_atr_input *mask); extern bool rnpm_verify_lesm_fw_enabled_n10(struct rnpm_hw *hw); extern void rnpm_set_rx_mode(struct net_device *netdev); #ifdef CONFIG_RNPM_DCB extern void rnpm_set_rx_drop_en(struct rnpm_adapter *adapter); #endif extern int rnpm_setup_tx_maxrate(void __iomem *ioaddr, struct rnpm_ring *tx_ring, u64 max_rate, int samples_1sec); extern int rnpm_setup_tc(struct net_device *dev, u8 tc); extern int rnpm_open(struct net_device *netdev); extern int rnpm_close(struct net_device *netdev); extern void rnpm_service_event_schedule(struct rnpm_adapter *adapter); void rnpm_tx_ctxtdesc(struct rnpm_ring *tx_ring, u32 mss_len_vf_num, u32 inner_vlan_tunnel_len, u32 type_tucmd); void rnpm_maybe_tx_ctxtdesc(struct rnpm_ring *tx_ring, struct rnpm_tx_buffer *first, u32 type_tucmd); extern void rnpm_store_reta(struct rnpm_adapter *adapter); extern void rnpm_store_key(struct rnpm_pf_adapter *pf_adapter); extern int rnpm_init_rss_key(struct rnpm_pf_adapter *adapter); extern int rnpm_init_rss_table(struct rnpm_adapter *adapter); extern void rnpm_setup_dma_rx(struct rnpm_adapter *adapter, int count_in_dw); extern s32 rnpm_fdir_write_perfect_filter(int fdir_mode, struct rnpm_hw *hw, union rnpm_atr_input *filter, u16 hw_id, u8 queue); extern s32 rnpm_fdir_erase_perfect_filter(int fdir_mode, struct rnpm_hw *hw, union rnpm_atr_input *input, u16 hw_id); extern u32 rnpm_rss_indir_tbl_entries(struct rnpm_adapter *adapter); extern u32 rnpm_tx_desc_unused_sw(struct rnpm_ring *tx_ring); extern u32 rnpm_tx_desc_unused_hw(struct rnpm_hw *hw, struct rnpm_ring *tx_ring); extern s32 rnpm_disable_rxr_maxrate(struct net_device *netdev, u8 queue_index); extern s32 rnpm_enable_rxr_maxrate(struct net_device *netdev, u8 queue_index, u32 maxrate); extern u32 rnpm_rx_desc_used_hw(struct rnpm_hw *hw, struct rnpm_ring *rx_ring); extern void rnpm_do_reset(struct net_device *netdev); #ifdef CONFIG_RNPM_HWMON extern void rnpm_sysfs_exit(struct rnpm_adapter *adapter); extern int rnpm_sysfs_init(struct rnpm_adapter *adapter, int port); #endif /* CONFIG_RNPM_HWMON */ #ifdef CONFIG_DEBUG_FS extern void rnpm_dbg_adapter_init(struct rnpm_adapter *adapter); extern void rnpm_dbg_adapter_exit(struct rnpm_adapter *adapter); extern void rnpm_dbg_init(void); extern void rnpm_dbg_exit(void); #else static inline void rnpm_dbg_adapter_init(struct rnpm_adapter *adapter) { } static inline void rnpm_dbg_adapter_exit(struct rnpm_adapter *adapter) { } static inline void rnpm_dbg_init(void) { } static inline void rnpm_dbg_exit(void) { } #endif /* CONFIG_DEBUG_FS */ static inline struct netdev_queue *txring_txq(const struct rnpm_ring *ring) { return netdev_get_tx_queue(ring->netdev, ring->queue_index); } extern void rnpm_ptp_init(struct rnpm_adapter *adapter); extern void rnpm_ptp_stop(struct rnpm_adapter *adapter); extern void rnpm_ptp_overflow_check(struct rnpm_adapter *adapter); extern void rnpm_ptp_rx_hang(struct rnpm_adapter *adapter); extern void __rnpm_ptp_rx_hwtstamp(struct rnpm_q_vector *q_vector, struct sk_buff *skb); static inline void rnpm_ptp_rx_hwtstamp(struct rnpm_ring *rx_ring, union rnpm_rx_desc *rx_desc, struct sk_buff *skb) { if (unlikely(!rnpm_test_staterr(rx_desc, RNPM_RXD_STAT_PTP))) return; //__rnpm_ptp_rx_hwtstamp(rx_ring->q_vector, skb); /* Update the last_rx_timestamp timer in order to enable watchdog check * for error case of latched timestamp on a dropped packet. */ rx_ring->last_rx_timestamp = jiffies; } static inline int ignore_veb_pkg_err(struct rnpm_adapter *adapter, union rnpm_rx_desc *rx_desc) { #ifdef RNPM_IOV_VEB_BUG_NOT_FIXED if (unlikely((adapter->flags & RNPM_FLAG_SRIOV_ENABLED) && (cpu_to_le16(rx_desc->wb.mark) & VEB_VF_PKG))) { return 1; } #endif return 0; } int rnpm_update_ethtool_fdir_entry(struct rnpm_adapter *adapter, struct rnpm_fdir_filter *input, u16 sw_idx); static inline bool rnpm_is_pf1(struct pci_dev *pdev) { struct rnpm_pf_adapter *pf_adapter = pci_get_drvdata(pdev); /* n10 read this from bar0 */ u16 vf_num = -1; u32 pfvfnum_reg; #define PF_NUM_REG_N10 (0x75f000) pfvfnum_reg = (PF_NUM_REG_N10 & (pci_resource_len(pdev, 0) - 1)); vf_num = readl(pf_adapter->hw_bar0 + pfvfnum_reg); #define VF_NUM_MASK_TEMP (0x400) #define VF_NUM_OFF (4) return !!((vf_num & VF_NUM_MASK_TEMP) >> VF_NUM_OFF); } extern void rnpm_service_task(struct work_struct *work); extern void rnpm_sysfs_exit(struct rnpm_adapter *adapter); extern int rnpm_sysfs_init(struct rnpm_adapter *adapter, int port); #ifdef CONFIG_PCI_IOV void rnpm_sriov_reinit(struct rnpm_adapter *adapter); #endif #define SET_BIT(n, var) (var = (var | (1 << n))) #define CLR_BIT(n, var) (var = (var & (~(1 << n)))) #define CHK_BIT(n, var) (var & (1 << n)) #define RNPM_RX_DMA_ATTR (DMA_ATTR_SKIP_CPU_SYNC | DMA_ATTR_WEAK_ORDERING) static inline bool rnpm_removed(void __iomem *addr) { return unlikely(!addr); } #define RNPM_REMOVED(a) rnpm_removed(a) static inline bool rnpm_port_is_valid(struct rnpm_pf_adapter *pf_adapter, int i) { bool b = false; if (i >= MAX_PORT_NUM) { //rnpm_dbg("Port number cannot over MAX_PORT_NUM!\n"); return false; } b = !!(pf_adapter->port_valid & (1 << i)); return b; } int rnpm_set_clause73_autoneg_enable(struct net_device *netdev, int enable); int rnpm_card_partially_supported_10g_1g_sfp(struct rnpm_pf_adapter *pf_adapter); #define RNPM_FW_VERSION_NEW_ETHTOOL 0x00050010 static inline bool rnpm_fw_is_old_ethtool(struct rnpm_hw *hw) { return hw->fw_version >= RNPM_FW_VERSION_NEW_ETHTOOL ? false : true; } static inline int Hamming_weight_1(u32 n) { int count_ = 0; while (n != 0) { n &= (n - 1); count_++; } return count_; } #define RNPM_WOL_GET_SUPPORTED(adapter) \ (!!(adapter->wol & (BIT(0) << adapter->port))) #define RNPM_WOL_GET_STATUS(adapter) \ (!!(adapter->wol & (BIT(4) << adapter->port))) #define RNPM_WOL_SET_SUPPORTED(adapter) \ (adapter->wol |= BIT(0) << adapter->port) #define RNPM_WOL_SET_STATUS(adapter) (adapter->wol |= BIT(4) << adapter->port) #define RNPM_WOL_CLEAR_STATUS(adapter) \ (adapter->wol &= ~(BIT(4) << adapter->port)) #endif /* _RNPM_H_ */