| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Rasesh Mody | 1085 | 88.28% | 20 | 58.82% |
| Krishna Gudipati | 81 | 6.59% | 2 | 5.88% |
| Jing Huang | 21 | 1.71% | 2 | 5.88% |
| Ivan Vecera | 17 | 1.38% | 4 | 11.76% |
| Eric Dumazet | 11 | 0.90% | 1 | 2.94% |
| Jiri Pirko | 9 | 0.73% | 1 | 2.94% |
| Thomas Gleixner | 2 | 0.16% | 1 | 2.94% |
| Ben Hutchings | 1 | 0.08% | 1 | 2.94% |
| Stephen Hemminger | 1 | 0.08% | 1 | 2.94% |
| Gustavo A. R. Silva | 1 | 0.08% | 1 | 2.94% |
| Total | 1229 | 34 |
/* SPDX-License-Identifier: GPL-2.0-only */ /* * Linux network driver for QLogic BR-series Converged Network Adapter. */ /* * Copyright (c) 2005-2014 Brocade Communications Systems, Inc. * Copyright (c) 2014-2015 QLogic Corporation * All rights reserved * www.qlogic.com */ #ifndef __BNAD_H__ #define __BNAD_H__ #include <linux/rtnetlink.h> #include <linux/workqueue.h> #include <linux/ipv6.h> #include <linux/etherdevice.h> #include <linux/mutex.h> #include <linux/firmware.h> #include <linux/if_vlan.h> #include <asm/checksum.h> #include <net/ip6_checksum.h> #include <net/ip.h> #include <net/tcp.h> #include "bna.h" #define BNAD_TXQ_DEPTH 2048 #define BNAD_RXQ_DEPTH 2048 #define BNAD_MAX_TX 1 #define BNAD_MAX_TXQ_PER_TX 8 /* 8 priority queues */ #define BNAD_TXQ_NUM 1 #define BNAD_MAX_RX 1 #define BNAD_MAX_RXP_PER_RX 16 #define BNAD_MAX_RXQ_PER_RXP 2 /* * Control structure pointed to ccb->ctrl, which * determines the NAPI / LRO behavior CCB * There is 1:1 corres. between ccb & ctrl */ struct bnad_rx_ctrl { struct bna_ccb *ccb; struct bnad *bnad; unsigned long flags; struct napi_struct napi; u64 rx_intr_ctr; u64 rx_poll_ctr; u64 rx_schedule; u64 rx_keep_poll; u64 rx_complete; }; #define BNAD_RXMODE_PROMISC_DEFAULT BNA_RXMODE_PROMISC /* * GLOBAL #defines (CONSTANTS) */ #define BNAD_NAME "bna" #define BNAD_NAME_LEN 64 #define BNAD_MAILBOX_MSIX_INDEX 0 #define BNAD_MAILBOX_MSIX_VECTORS 1 #define BNAD_INTX_TX_IB_BITMASK 0x1 #define BNAD_INTX_RX_IB_BITMASK 0x2 #define BNAD_STATS_TIMER_FREQ 1000 /* in msecs */ #define BNAD_DIM_TIMER_FREQ 1000 /* in msecs */ #define BNAD_IOCETH_TIMEOUT 10000 #define BNAD_MIN_Q_DEPTH 512 #define BNAD_MAX_RXQ_DEPTH 16384 #define BNAD_MAX_TXQ_DEPTH 2048 #define BNAD_JUMBO_MTU 9000 #define BNAD_NETIF_WAKE_THRESHOLD 8 #define BNAD_RXQ_REFILL_THRESHOLD_SHIFT 3 /* Bit positions for tcb->flags */ #define BNAD_TXQ_FREE_SENT 0 #define BNAD_TXQ_TX_STARTED 1 /* Bit positions for rcb->flags */ #define BNAD_RXQ_STARTED 0 #define BNAD_RXQ_POST_OK 1 /* Resource limits */ #define BNAD_NUM_TXQ (bnad->num_tx * bnad->num_txq_per_tx) #define BNAD_NUM_RXP (bnad->num_rx * bnad->num_rxp_per_rx) #define BNAD_FRAME_SIZE(_mtu) \ (ETH_HLEN + VLAN_HLEN + (_mtu) + ETH_FCS_LEN) /* * DATA STRUCTURES */ /* enums */ enum bnad_intr_source { BNAD_INTR_TX = 1, BNAD_INTR_RX = 2 }; enum bnad_link_state { BNAD_LS_DOWN = 0, BNAD_LS_UP = 1 }; struct bnad_iocmd_comp { struct bnad *bnad; struct completion comp; int comp_status; }; struct bnad_completion { struct completion ioc_comp; struct completion ucast_comp; struct completion mcast_comp; struct completion tx_comp; struct completion rx_comp; struct completion stats_comp; struct completion enet_comp; struct completion mtu_comp; u8 ioc_comp_status; u8 ucast_comp_status; u8 mcast_comp_status; u8 tx_comp_status; u8 rx_comp_status; u8 stats_comp_status; u8 port_comp_status; u8 mtu_comp_status; }; /* Tx Rx Control Stats */ struct bnad_drv_stats { u64 netif_queue_stop; u64 netif_queue_wakeup; u64 netif_queue_stopped; u64 tso4; u64 tso6; u64 tso_err; u64 tcpcsum_offload; u64 udpcsum_offload; u64 csum_help; u64 tx_skb_too_short; u64 tx_skb_stopping; u64 tx_skb_max_vectors; u64 tx_skb_mss_too_long; u64 tx_skb_tso_too_short; u64 tx_skb_tso_prepare; u64 tx_skb_non_tso_too_long; u64 tx_skb_tcp_hdr; u64 tx_skb_udp_hdr; u64 tx_skb_csum_err; u64 tx_skb_headlen_too_long; u64 tx_skb_headlen_zero; u64 tx_skb_frag_zero; u64 tx_skb_len_mismatch; u64 tx_skb_map_failed; u64 hw_stats_updates; u64 netif_rx_dropped; u64 link_toggle; u64 cee_toggle; u64 rxp_info_alloc_failed; u64 mbox_intr_disabled; u64 mbox_intr_enabled; u64 tx_unmap_q_alloc_failed; u64 rx_unmap_q_alloc_failed; u64 rxbuf_alloc_failed; u64 rxbuf_map_failed; }; /* Complete driver stats */ struct bnad_stats { struct bnad_drv_stats drv_stats; struct bna_stats *bna_stats; }; /* Tx / Rx Resources */ struct bnad_tx_res_info { struct bna_res_info res_info[BNA_TX_RES_T_MAX]; }; struct bnad_rx_res_info { struct bna_res_info res_info[BNA_RX_RES_T_MAX]; }; struct bnad_tx_info { struct bna_tx *tx; /* 1:1 between tx_info & tx */ struct bna_tcb *tcb[BNAD_MAX_TXQ_PER_TX]; u32 tx_id; struct delayed_work tx_cleanup_work; } ____cacheline_aligned; struct bnad_rx_info { struct bna_rx *rx; /* 1:1 between rx_info & rx */ struct bnad_rx_ctrl rx_ctrl[BNAD_MAX_RXP_PER_RX]; u32 rx_id; struct work_struct rx_cleanup_work; } ____cacheline_aligned; struct bnad_tx_vector { DEFINE_DMA_UNMAP_ADDR(dma_addr); DEFINE_DMA_UNMAP_LEN(dma_len); }; struct bnad_tx_unmap { struct sk_buff *skb; u32 nvecs; struct bnad_tx_vector vectors[BFI_TX_MAX_VECTORS_PER_WI]; }; struct bnad_rx_vector { DEFINE_DMA_UNMAP_ADDR(dma_addr); u32 len; }; struct bnad_rx_unmap { struct page *page; struct sk_buff *skb; struct bnad_rx_vector vector; u32 page_offset; }; enum bnad_rxbuf_type { BNAD_RXBUF_NONE = 0, BNAD_RXBUF_SK_BUFF = 1, BNAD_RXBUF_PAGE = 2, BNAD_RXBUF_MULTI_BUFF = 3 }; #define BNAD_RXBUF_IS_SK_BUFF(_type) ((_type) == BNAD_RXBUF_SK_BUFF) #define BNAD_RXBUF_IS_MULTI_BUFF(_type) ((_type) == BNAD_RXBUF_MULTI_BUFF) struct bnad_rx_unmap_q { int reuse_pi; int alloc_order; u32 map_size; enum bnad_rxbuf_type type; struct bnad_rx_unmap unmap[] ____cacheline_aligned; }; #define BNAD_PCI_DEV_IS_CAT2(_bnad) \ ((_bnad)->pcidev->device == BFA_PCI_DEVICE_ID_CT2) /* Bit mask values for bnad->cfg_flags */ #define BNAD_CF_DIM_ENABLED 0x01 /* DIM */ #define BNAD_CF_PROMISC 0x02 #define BNAD_CF_ALLMULTI 0x04 #define BNAD_CF_DEFAULT 0x08 #define BNAD_CF_MSIX 0x10 /* If in MSIx mode */ /* Defines for run_flags bit-mask */ /* Set, tested & cleared using xxx_bit() functions */ /* Values indicated bit positions */ #define BNAD_RF_CEE_RUNNING 0 #define BNAD_RF_MTU_SET 1 #define BNAD_RF_MBOX_IRQ_DISABLED 2 #define BNAD_RF_NETDEV_REGISTERED 3 #define BNAD_RF_DIM_TIMER_RUNNING 4 #define BNAD_RF_STATS_TIMER_RUNNING 5 #define BNAD_RF_TX_PRIO_SET 6 struct bnad { struct net_device *netdev; u32 id; /* Data path */ struct bnad_tx_info tx_info[BNAD_MAX_TX]; struct bnad_rx_info rx_info[BNAD_MAX_RX]; unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; /* * These q numbers are global only because * they are used to calculate MSIx vectors. * Actually the exact # of queues are per Tx/Rx * object. */ u32 num_tx; u32 num_rx; u32 num_txq_per_tx; u32 num_rxp_per_rx; u32 txq_depth; u32 rxq_depth; u8 tx_coalescing_timeo; u8 rx_coalescing_timeo; struct bna_rx_config rx_config[BNAD_MAX_RX] ____cacheline_aligned; struct bna_tx_config tx_config[BNAD_MAX_TX] ____cacheline_aligned; void __iomem *bar0; /* BAR0 address */ struct bna bna; u32 cfg_flags; unsigned long run_flags; struct pci_dev *pcidev; u64 mmio_start; u64 mmio_len; u32 msix_num; struct msix_entry *msix_table; struct mutex conf_mutex; spinlock_t bna_lock ____cacheline_aligned; /* Timers */ struct timer_list ioc_timer; struct timer_list dim_timer; struct timer_list stats_timer; /* Control path resources, memory & irq */ struct bna_res_info res_info[BNA_RES_T_MAX]; struct bna_res_info mod_res_info[BNA_MOD_RES_T_MAX]; struct bnad_tx_res_info tx_res_info[BNAD_MAX_TX]; struct bnad_rx_res_info rx_res_info[BNAD_MAX_RX]; struct bnad_completion bnad_completions; /* Burnt in MAC address */ u8 perm_addr[ETH_ALEN]; struct workqueue_struct *work_q; /* Statistics */ struct bnad_stats stats; struct bnad_diag *diag; char adapter_name[BNAD_NAME_LEN]; char port_name[BNAD_NAME_LEN]; char mbox_irq_name[BNAD_NAME_LEN]; char wq_name[BNAD_NAME_LEN]; /* debugfs specific data */ char *regdata; u32 reglen; struct dentry *bnad_dentry_files[5]; struct dentry *port_debugfs_root; }; struct bnad_drvinfo { struct bfa_ioc_attr ioc_attr; struct bfa_cee_attr cee_attr; struct bfa_flash_attr flash_attr; u32 cee_status; u32 flash_status; }; /* * EXTERN VARIABLES */ extern const struct firmware *bfi_fw; /* * EXTERN PROTOTYPES */ u32 *cna_get_firmware_buf(struct pci_dev *pdev); /* Netdev entry point prototypes */ void bnad_set_rx_mode(struct net_device *netdev); struct net_device_stats *bnad_get_netdev_stats(struct net_device *netdev); int bnad_mac_addr_set_locked(struct bnad *bnad, const u8 *mac_addr); int bnad_enable_default_bcast(struct bnad *bnad); void bnad_restore_vlans(struct bnad *bnad, u32 rx_id); void bnad_set_ethtool_ops(struct net_device *netdev); void bnad_cb_completion(void *arg, enum bfa_status status); /* Configuration & setup */ void bnad_tx_coalescing_timeo_set(struct bnad *bnad); void bnad_rx_coalescing_timeo_set(struct bnad *bnad); int bnad_setup_rx(struct bnad *bnad, u32 rx_id); int bnad_setup_tx(struct bnad *bnad, u32 tx_id); void bnad_destroy_tx(struct bnad *bnad, u32 tx_id); void bnad_destroy_rx(struct bnad *bnad, u32 rx_id); /* Timer start/stop protos */ void bnad_dim_timer_start(struct bnad *bnad); /* Statistics */ void bnad_netdev_qstats_fill(struct bnad *bnad, struct rtnl_link_stats64 *stats); void bnad_netdev_hwstats_fill(struct bnad *bnad, struct rtnl_link_stats64 *stats); /* Debugfs */ void bnad_debugfs_init(struct bnad *bnad); void bnad_debugfs_uninit(struct bnad *bnad); /* MACROS */ /* To set & get the stats counters */ #define BNAD_UPDATE_CTR(_bnad, _ctr) \ (((_bnad)->stats.drv_stats._ctr)++) #define BNAD_GET_CTR(_bnad, _ctr) ((_bnad)->stats.drv_stats._ctr) #define bnad_enable_rx_irq_unsafe(_ccb) \ { \ if (likely(test_bit(BNAD_RXQ_STARTED, &(_ccb)->rcb[0]->flags))) {\ bna_ib_coalescing_timer_set((_ccb)->i_dbell, \ (_ccb)->rx_coalescing_timeo); \ bna_ib_ack((_ccb)->i_dbell, 0); \ } \ } #endif /* __BNAD_H__ */
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