| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Shannon Nelson | 1107 | 100.00% | 14 | 100.00% |
| Total | 1107 | 14 |
/* SPDX-License-Identifier: GPL-2.0 */ /* Copyright(c) 2017 - 2019 Pensando Systems, Inc */ #ifndef _IONIC_LIF_H_ #define _IONIC_LIF_H_ #include <linux/pci.h> #include "ionic_rx_filter.h" #define IONIC_ADMINQ_LENGTH 16 /* must be a power of two */ #define IONIC_NOTIFYQ_LENGTH 64 /* must be a power of two */ #define IONIC_MAX_NUM_NAPI_CNTR (NAPI_POLL_WEIGHT + 1) #define IONIC_MAX_NUM_SG_CNTR (IONIC_TX_MAX_SG_ELEMS + 1) #define IONIC_RX_COPYBREAK_DEFAULT 256 struct ionic_tx_stats { u64 dma_map_err; u64 pkts; u64 bytes; u64 clean; u64 linearize; u64 no_csum; u64 csum; u64 crc32_csum; u64 tso; u64 frags; u64 sg_cntr[IONIC_MAX_NUM_SG_CNTR]; }; struct ionic_rx_stats { u64 dma_map_err; u64 alloc_err; u64 pkts; u64 bytes; u64 csum_none; u64 csum_complete; u64 csum_error; u64 buffers_posted; }; #define IONIC_QCQ_F_INITED BIT(0) #define IONIC_QCQ_F_SG BIT(1) #define IONIC_QCQ_F_INTR BIT(2) #define IONIC_QCQ_F_TX_STATS BIT(3) #define IONIC_QCQ_F_RX_STATS BIT(4) #define IONIC_QCQ_F_NOTIFYQ BIT(5) struct ionic_napi_stats { u64 poll_count; u64 work_done_cntr[IONIC_MAX_NUM_NAPI_CNTR]; }; struct ionic_q_stats { union { struct ionic_tx_stats tx; struct ionic_rx_stats rx; }; }; struct ionic_qcq { void *base; dma_addr_t base_pa; unsigned int total_size; struct ionic_queue q; struct ionic_cq cq; struct ionic_intr_info intr; struct napi_struct napi; struct ionic_napi_stats napi_stats; struct ionic_q_stats *stats; unsigned int flags; struct dentry *dentry; }; struct ionic_qcqst { struct ionic_qcq *qcq; struct ionic_q_stats *stats; }; #define q_to_qcq(q) container_of(q, struct ionic_qcq, q) #define q_to_tx_stats(q) (&q_to_qcq(q)->stats->tx) #define q_to_rx_stats(q) (&q_to_qcq(q)->stats->rx) #define napi_to_qcq(napi) container_of(napi, struct ionic_qcq, napi) #define napi_to_cq(napi) (&napi_to_qcq(napi)->cq) enum ionic_deferred_work_type { IONIC_DW_TYPE_RX_MODE, IONIC_DW_TYPE_RX_ADDR_ADD, IONIC_DW_TYPE_RX_ADDR_DEL, IONIC_DW_TYPE_LINK_STATUS, IONIC_DW_TYPE_LIF_RESET, }; struct ionic_deferred_work { struct list_head list; enum ionic_deferred_work_type type; union { unsigned int rx_mode; u8 addr[ETH_ALEN]; }; }; struct ionic_deferred { spinlock_t lock; /* lock for deferred work list */ struct list_head list; struct work_struct work; }; struct ionic_lif_sw_stats { u64 tx_packets; u64 tx_bytes; u64 rx_packets; u64 rx_bytes; u64 tx_tso; u64 tx_no_csum; u64 tx_csum; u64 rx_csum_none; u64 rx_csum_complete; u64 rx_csum_error; }; enum ionic_lif_state_flags { IONIC_LIF_INITED, IONIC_LIF_SW_DEBUG_STATS, IONIC_LIF_UP, IONIC_LIF_LINK_CHECK_REQUESTED, IONIC_LIF_QUEUE_RESET, /* leave this as last */ IONIC_LIF_STATE_SIZE }; #define IONIC_LIF_NAME_MAX_SZ 32 struct ionic_lif { char name[IONIC_LIF_NAME_MAX_SZ]; struct list_head list; struct net_device *netdev; DECLARE_BITMAP(state, IONIC_LIF_STATE_SIZE); struct ionic *ionic; bool registered; unsigned int index; unsigned int hw_index; unsigned int kern_pid; u64 __iomem *kern_dbpage; spinlock_t adminq_lock; /* lock for AdminQ operations */ struct ionic_qcq *adminqcq; struct ionic_qcq *notifyqcq; struct ionic_qcqst *txqcqs; struct ionic_qcqst *rxqcqs; u64 last_eid; unsigned int neqs; unsigned int nxqs; unsigned int ntxq_descs; unsigned int nrxq_descs; u32 rx_copybreak; unsigned int rx_mode; u64 hw_features; bool mc_overflow; unsigned int nmcast; bool uc_overflow; unsigned int nucast; struct ionic_lif_info *info; dma_addr_t info_pa; u32 info_sz; u16 rss_types; u8 rss_hash_key[IONIC_RSS_HASH_KEY_SIZE]; u8 *rss_ind_tbl; dma_addr_t rss_ind_tbl_pa; u32 rss_ind_tbl_sz; struct ionic_rx_filters rx_filters; struct ionic_deferred deferred; unsigned long *dbid_inuse; unsigned int dbid_count; struct dentry *dentry; u32 rx_coalesce_usecs; u32 flags; struct work_struct tx_timeout_work; }; #define lif_to_txqcq(lif, i) ((lif)->txqcqs[i].qcq) #define lif_to_rxqcq(lif, i) ((lif)->rxqcqs[i].qcq) #define lif_to_txstats(lif, i) ((lif)->txqcqs[i].stats->tx) #define lif_to_rxstats(lif, i) ((lif)->rxqcqs[i].stats->rx) #define lif_to_txq(lif, i) (&lif_to_txqcq((lif), i)->q) #define lif_to_rxq(lif, i) (&lif_to_txqcq((lif), i)->q) static inline int ionic_wait_for_bit(struct ionic_lif *lif, int bitname) { unsigned long tlimit = jiffies + HZ; while (test_and_set_bit(bitname, lif->state) && time_before(jiffies, tlimit)) usleep_range(100, 200); return test_bit(bitname, lif->state); } static inline u32 ionic_coal_usec_to_hw(struct ionic *ionic, u32 usecs) { u32 mult = le32_to_cpu(ionic->ident.dev.intr_coal_mult); u32 div = le32_to_cpu(ionic->ident.dev.intr_coal_div); /* Div-by-zero should never be an issue, but check anyway */ if (!div || !mult) return 0; /* Round up in case usecs is close to the next hw unit */ usecs += (div / mult) >> 1; /* Convert from usecs to device units */ return (usecs * mult) / div; } static inline u32 ionic_coal_hw_to_usec(struct ionic *ionic, u32 units) { u32 mult = le32_to_cpu(ionic->ident.dev.intr_coal_mult); u32 div = le32_to_cpu(ionic->ident.dev.intr_coal_div); /* Div-by-zero should never be an issue, but check anyway */ if (!div || !mult) return 0; /* Convert from device units to usec */ return (units * div) / mult; } int ionic_lifs_alloc(struct ionic *ionic); void ionic_lifs_free(struct ionic *ionic); void ionic_lifs_deinit(struct ionic *ionic); int ionic_lifs_init(struct ionic *ionic); int ionic_lifs_register(struct ionic *ionic); void ionic_lifs_unregister(struct ionic *ionic); int ionic_lif_identify(struct ionic *ionic, u8 lif_type, union ionic_lif_identity *lif_ident); int ionic_lifs_size(struct ionic *ionic); int ionic_lif_rss_config(struct ionic_lif *lif, u16 types, const u8 *key, const u32 *indir); int ionic_open(struct net_device *netdev); int ionic_stop(struct net_device *netdev); int ionic_reset_queues(struct ionic_lif *lif); static inline void debug_stats_txq_post(struct ionic_qcq *qcq, struct ionic_txq_desc *desc, bool dbell) { u8 num_sg_elems = ((le64_to_cpu(desc->cmd) >> IONIC_TXQ_DESC_NSGE_SHIFT) & IONIC_TXQ_DESC_NSGE_MASK); qcq->q.dbell_count += dbell; if (num_sg_elems > (IONIC_MAX_NUM_SG_CNTR - 1)) num_sg_elems = IONIC_MAX_NUM_SG_CNTR - 1; qcq->stats->tx.sg_cntr[num_sg_elems]++; } static inline void debug_stats_napi_poll(struct ionic_qcq *qcq, unsigned int work_done) { qcq->napi_stats.poll_count++; if (work_done > (IONIC_MAX_NUM_NAPI_CNTR - 1)) work_done = IONIC_MAX_NUM_NAPI_CNTR - 1; qcq->napi_stats.work_done_cntr[work_done]++; } #define DEBUG_STATS_CQE_CNT(cq) ((cq)->compl_count++) #define DEBUG_STATS_RX_BUFF_CNT(qcq) ((qcq)->stats->rx.buffers_posted++) #define DEBUG_STATS_INTR_REARM(intr) ((intr)->rearm_count++) #define DEBUG_STATS_TXQ_POST(qcq, txdesc, dbell) \ debug_stats_txq_post(qcq, txdesc, dbell) #define DEBUG_STATS_NAPI_POLL(qcq, work_done) \ debug_stats_napi_poll(qcq, work_done) #endif /* _IONIC_LIF_H_ */
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