| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Scott Feldman | 350 | 32.77% | 9 | 18.00% |
| Govindarajulu Varadarajan | 324 | 30.34% | 14 | 28.00% |
| Vasanthy Kolluri | 164 | 15.36% | 6 | 12.00% |
| Sujith Sankar | 80 | 7.49% | 1 | 2.00% |
| Roopa Prabhu | 58 | 5.43% | 10 | 20.00% |
| Joe Perches | 41 | 3.84% | 1 | 2.00% |
| Neel Patel | 37 | 3.46% | 3 | 6.00% |
| Thomas Gleixner | 5 | 0.47% | 2 | 4.00% |
| Christophe Jaillet | 4 | 0.37% | 1 | 2.00% |
| Josh Boyer | 3 | 0.28% | 1 | 2.00% |
| Dan Carpenter | 1 | 0.09% | 1 | 2.00% |
| govindarajulu.v | 1 | 0.09% | 1 | 2.00% |
| Total | 1068 | 50 |
/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved. * Copyright 2007 Nuova Systems, Inc. All rights reserved. */ #ifndef _ENIC_H_ #define _ENIC_H_ #include "vnic_enet.h" #include "vnic_dev.h" #include "vnic_wq.h" #include "vnic_rq.h" #include "vnic_cq.h" #include "vnic_intr.h" #include "vnic_stats.h" #include "vnic_nic.h" #include "vnic_rss.h" #include <linux/irq.h> #define DRV_NAME "enic" #define DRV_DESCRIPTION "Cisco VIC Ethernet NIC Driver" #define ENIC_BARS_MAX 6 #define ENIC_WQ_MAX 8 #define ENIC_RQ_MAX 8 #define ENIC_CQ_MAX (ENIC_WQ_MAX + ENIC_RQ_MAX) #define ENIC_INTR_MAX (ENIC_CQ_MAX + 2) #define ENIC_WQ_NAPI_BUDGET 256 #define ENIC_AIC_LARGE_PKT_DIFF 3 struct enic_msix_entry { int requested; char devname[IFNAMSIZ + 8]; irqreturn_t (*isr)(int, void *); void *devid; cpumask_var_t affinity_mask; }; /* Store only the lower range. Higher range is given by fw. */ struct enic_intr_mod_range { u32 small_pkt_range_start; u32 large_pkt_range_start; }; struct enic_intr_mod_table { u32 rx_rate; u32 range_percent; }; #define ENIC_MAX_LINK_SPEEDS 3 #define ENIC_LINK_SPEED_10G 10000 #define ENIC_LINK_SPEED_4G 4000 #define ENIC_LINK_40G_INDEX 2 #define ENIC_LINK_10G_INDEX 1 #define ENIC_LINK_4G_INDEX 0 #define ENIC_RX_COALESCE_RANGE_END 125 #define ENIC_AIC_TS_BREAK 100 struct enic_rx_coal { u32 small_pkt_range_start; u32 large_pkt_range_start; u32 range_end; u32 use_adaptive_rx_coalesce; }; /* priv_flags */ #define ENIC_SRIOV_ENABLED (1 << 0) /* enic port profile set flags */ #define ENIC_PORT_REQUEST_APPLIED (1 << 0) #define ENIC_SET_REQUEST (1 << 1) #define ENIC_SET_NAME (1 << 2) #define ENIC_SET_INSTANCE (1 << 3) #define ENIC_SET_HOST (1 << 4) struct enic_port_profile { u32 set; u8 request; char name[PORT_PROFILE_MAX]; u8 instance_uuid[PORT_UUID_MAX]; u8 host_uuid[PORT_UUID_MAX]; u8 vf_mac[ETH_ALEN]; u8 mac_addr[ETH_ALEN]; }; /* enic_rfs_fltr_node - rfs filter node in hash table * @@keys: IPv4 5 tuple * @flow_id: flow_id of clsf filter provided by kernel * @fltr_id: filter id of clsf filter returned by adaptor * @rq_id: desired rq index * @node: hlist_node */ struct enic_rfs_fltr_node { struct flow_keys keys; u32 flow_id; u16 fltr_id; u16 rq_id; struct hlist_node node; }; /* enic_rfs_flw_tbl - rfs flow table * @max: Maximum number of filters vNIC supports * @free: Number of free filters available * @toclean: hash table index to clean next * @ht_head: hash table list head * @lock: spin lock * @rfs_may_expire: timer function for enic_rps_may_expire_flow */ struct enic_rfs_flw_tbl { u16 max; int free; #define ENIC_RFS_FLW_BITSHIFT (10) #define ENIC_RFS_FLW_MASK ((1 << ENIC_RFS_FLW_BITSHIFT) - 1) u16 toclean:ENIC_RFS_FLW_BITSHIFT; struct hlist_head ht_head[1 << ENIC_RFS_FLW_BITSHIFT]; spinlock_t lock; struct timer_list rfs_may_expire; }; struct vxlan_offload { u16 vxlan_udp_port_number; u8 patch_level; u8 flags; }; /* Per-instance private data structure */ struct enic { struct net_device *netdev; struct pci_dev *pdev; struct vnic_enet_config config; struct vnic_dev_bar bar[ENIC_BARS_MAX]; struct vnic_dev *vdev; struct timer_list notify_timer; struct work_struct reset; struct work_struct tx_hang_reset; struct work_struct change_mtu_work; struct msix_entry msix_entry[ENIC_INTR_MAX]; struct enic_msix_entry msix[ENIC_INTR_MAX]; u32 msg_enable; spinlock_t devcmd_lock; u8 mac_addr[ETH_ALEN]; unsigned int flags; unsigned int priv_flags; unsigned int mc_count; unsigned int uc_count; u32 port_mtu; struct enic_rx_coal rx_coalesce_setting; u32 rx_coalesce_usecs; u32 tx_coalesce_usecs; #ifdef CONFIG_PCI_IOV u16 num_vfs; #endif spinlock_t enic_api_lock; bool enic_api_busy; struct enic_port_profile *pp; /* work queue cache line section */ ____cacheline_aligned struct vnic_wq wq[ENIC_WQ_MAX]; spinlock_t wq_lock[ENIC_WQ_MAX]; unsigned int wq_count; u16 loop_enable; u16 loop_tag; /* receive queue cache line section */ ____cacheline_aligned struct vnic_rq rq[ENIC_RQ_MAX]; unsigned int rq_count; struct vxlan_offload vxlan; u64 rq_truncated_pkts; u64 rq_bad_fcs; struct napi_struct napi[ENIC_RQ_MAX + ENIC_WQ_MAX]; /* interrupt resource cache line section */ ____cacheline_aligned struct vnic_intr intr[ENIC_INTR_MAX]; unsigned int intr_count; u32 __iomem *legacy_pba; /* memory-mapped */ /* completion queue cache line section */ ____cacheline_aligned struct vnic_cq cq[ENIC_CQ_MAX]; unsigned int cq_count; struct enic_rfs_flw_tbl rfs_h; u32 rx_copybreak; u8 rss_key[ENIC_RSS_LEN]; struct vnic_gen_stats gen_stats; }; static inline struct net_device *vnic_get_netdev(struct vnic_dev *vdev) { struct enic *enic = vdev->priv; return enic->netdev; } /* wrappers function for kernel log */ #define vdev_err(vdev, fmt, ...) \ dev_err(&(vdev)->pdev->dev, fmt, ##__VA_ARGS__) #define vdev_warn(vdev, fmt, ...) \ dev_warn(&(vdev)->pdev->dev, fmt, ##__VA_ARGS__) #define vdev_info(vdev, fmt, ...) \ dev_info(&(vdev)->pdev->dev, fmt, ##__VA_ARGS__) #define vdev_neterr(vdev, fmt, ...) \ netdev_err(vnic_get_netdev(vdev), fmt, ##__VA_ARGS__) #define vdev_netwarn(vdev, fmt, ...) \ netdev_warn(vnic_get_netdev(vdev), fmt, ##__VA_ARGS__) #define vdev_netinfo(vdev, fmt, ...) \ netdev_info(vnic_get_netdev(vdev), fmt, ##__VA_ARGS__) static inline struct device *enic_get_dev(struct enic *enic) { return &(enic->pdev->dev); } static inline unsigned int enic_cq_rq(struct enic *enic, unsigned int rq) { return rq; } static inline unsigned int enic_cq_wq(struct enic *enic, unsigned int wq) { return enic->rq_count + wq; } static inline unsigned int enic_msix_rq_intr(struct enic *enic, unsigned int rq) { return enic->cq[enic_cq_rq(enic, rq)].interrupt_offset; } static inline unsigned int enic_msix_wq_intr(struct enic *enic, unsigned int wq) { return enic->cq[enic_cq_wq(enic, wq)].interrupt_offset; } static inline unsigned int enic_msix_err_intr(struct enic *enic) { return enic->rq_count + enic->wq_count; } #define ENIC_LEGACY_IO_INTR 0 #define ENIC_LEGACY_ERR_INTR 1 #define ENIC_LEGACY_NOTIFY_INTR 2 static inline unsigned int enic_msix_notify_intr(struct enic *enic) { return enic->rq_count + enic->wq_count + 1; } static inline bool enic_is_err_intr(struct enic *enic, int intr) { switch (vnic_dev_get_intr_mode(enic->vdev)) { case VNIC_DEV_INTR_MODE_INTX: return intr == ENIC_LEGACY_ERR_INTR; case VNIC_DEV_INTR_MODE_MSIX: return intr == enic_msix_err_intr(enic); case VNIC_DEV_INTR_MODE_MSI: default: return false; } } static inline bool enic_is_notify_intr(struct enic *enic, int intr) { switch (vnic_dev_get_intr_mode(enic->vdev)) { case VNIC_DEV_INTR_MODE_INTX: return intr == ENIC_LEGACY_NOTIFY_INTR; case VNIC_DEV_INTR_MODE_MSIX: return intr == enic_msix_notify_intr(enic); case VNIC_DEV_INTR_MODE_MSI: default: return false; } } static inline int enic_dma_map_check(struct enic *enic, dma_addr_t dma_addr) { if (unlikely(dma_mapping_error(&enic->pdev->dev, dma_addr))) { net_warn_ratelimited("%s: PCI dma mapping failed!\n", enic->netdev->name); enic->gen_stats.dma_map_error++; return -ENOMEM; } return 0; } void enic_reset_addr_lists(struct enic *enic); int enic_sriov_enabled(struct enic *enic); int enic_is_valid_vf(struct enic *enic, int vf); int enic_is_dynamic(struct enic *enic); void enic_set_ethtool_ops(struct net_device *netdev); int __enic_set_rsskey(struct enic *enic); #endif /* _ENIC_H_ */