/********************************************************************** * Author: Cavium, Inc. * * Contact: [email protected] * Please include "LiquidIO" in the subject. * * Copyright (c) 2003-2016 Cavium, Inc. * * This file is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License, Version 2, as * published by the Free Software Foundation. * * This file is distributed in the hope that it will be useful, but * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or * NONINFRINGEMENT. See the GNU General Public License for more * details. **********************************************************************/ /*! \file octeon_network.h * \brief Host NIC Driver: Structure and Macro definitions used by NIC Module. */ #ifndef __OCTEON_NETWORK_H__ #define __OCTEON_NETWORK_H__ #include <linux/ptp_clock_kernel.h> #define LIO_MAX_MTU_SIZE … #define LIO_MIN_MTU_SIZE … /* Bit mask values for lio->ifstate */ #define LIO_IFSTATE_DROQ_OPS … #define LIO_IFSTATE_REGISTERED … #define LIO_IFSTATE_RUNNING … #define LIO_IFSTATE_RX_TIMESTAMP_ENABLED … #define LIO_IFSTATE_RESETTING … struct liquidio_if_cfg_resp { … }; #define LIO_IFCFG_WAIT_TIME … #define LIQUIDIO_NDEV_STATS_POLL_TIME_MS … /* Structure of a node in list of gather components maintained by * NIC driver for each network device. */ struct octnic_gather { … }; struct oct_nic_stats_resp { … }; struct oct_nic_vf_stats_resp { … }; struct oct_nic_stats_ctrl { … }; struct oct_nic_seapi_resp { … }; /** LiquidIO per-interface network private data */ struct lio { … }; #define LIO_SIZE … #define GET_LIO(netdev) … #define LIO_MAX_CORES … /** * \brief Enable or disable feature * @param netdev pointer to network device * @param cmd Command that just requires acknowledgment * @param param1 Parameter to command */ int liquidio_set_feature(struct net_device *netdev, int cmd, u16 param1); int setup_rx_oom_poll_fn(struct net_device *netdev); void cleanup_rx_oom_poll_fn(struct net_device *netdev); /** * \brief Link control command completion callback * @param nctrl_ptr pointer to control packet structure * * This routine is called by the callback function when a ctrl pkt sent to * core app completes. The nctrl_ptr contains a copy of the command type * and data sent to the core app. This routine is only called if the ctrl * pkt was sent successfully to the core app. */ void liquidio_link_ctrl_cmd_completion(void *nctrl_ptr); int liquidio_setup_io_queues(struct octeon_device *octeon_dev, int ifidx, u32 num_iqs, u32 num_oqs); irqreturn_t liquidio_msix_intr_handler(int irq __attribute__((unused)), void *dev); int octeon_setup_interrupt(struct octeon_device *oct, u32 num_ioqs); void lio_fetch_stats(struct work_struct *work); int lio_wait_for_clean_oq(struct octeon_device *oct); /** * \brief Register ethtool operations * @param netdev pointer to network device */ void liquidio_set_ethtool_ops(struct net_device *netdev); void lio_delete_glists(struct lio *lio); int lio_setup_glists(struct octeon_device *oct, struct lio *lio, int num_qs); int liquidio_get_speed(struct lio *lio); int liquidio_set_speed(struct lio *lio, int speed); int liquidio_get_fec(struct lio *lio); int liquidio_set_fec(struct lio *lio, int on_off); /** * \brief Net device change_mtu * @param netdev network device */ int liquidio_change_mtu(struct net_device *netdev, int new_mtu); #define LIO_CHANGE_MTU_SUCCESS … #define LIO_CHANGE_MTU_FAIL … #define SKB_ADJ_MASK … #define SKB_ADJ … #define MIN_SKB_SIZE … #define LIO_RXBUFFER_SZ … static inline void *recv_buffer_alloc(struct octeon_device *oct, struct octeon_skb_page_info *pg_info) { … } static inline void *recv_buffer_fast_alloc(u32 size) { … } static inline int recv_buffer_recycle(struct octeon_device *oct, void *buf) { … } static inline void *recv_buffer_reuse(struct octeon_device *oct, void *buf) { … } static inline void recv_buffer_destroy(void *buffer, struct octeon_skb_page_info *pg_info) { … } static inline void recv_buffer_free(void *buffer) { … } static inline void recv_buffer_fast_free(void *buffer) { … } static inline void tx_buffer_free(void *buffer) { … } #define lio_dma_alloc(oct, size, dma_addr) … #define lio_dma_free(oct, size, virt_addr, dma_addr) … static inline void *get_rbd(struct sk_buff *skb) { … } static inline u64 lio_map_ring(void *buf) { … } static inline void lio_unmap_ring(struct pci_dev *pci_dev, u64 buf_ptr) { … } static inline void *octeon_fast_packet_alloc(u32 size) { … } static inline void octeon_fast_packet_next(struct octeon_droq *droq, struct sk_buff *nicbuf, int copy_len, int idx) { … } /** * \brief check interface state * @param lio per-network private data * @param state_flag flag state to check */ static inline int ifstate_check(struct lio *lio, int state_flag) { … } /** * \brief set interface state * @param lio per-network private data * @param state_flag flag state to set */ static inline void ifstate_set(struct lio *lio, int state_flag) { … } /** * \brief clear interface state * @param lio per-network private data * @param state_flag flag state to clear */ static inline void ifstate_reset(struct lio *lio, int state_flag) { … } /** * \brief wait for all pending requests to complete * @param oct Pointer to Octeon device * * Called during shutdown sequence */ static inline int wait_for_pending_requests(struct octeon_device *oct) { … } /** * \brief Stop Tx queues * @param netdev network device */ static inline void stop_txqs(struct net_device *netdev) { … } /** * \brief Wake Tx queues * @param netdev network device */ static inline void wake_txqs(struct net_device *netdev) { … } /** * \brief Start Tx queues * @param netdev network device */ static inline void start_txqs(struct net_device *netdev) { … } static inline int skb_iq(struct octeon_device *oct, struct sk_buff *skb) { … } /** * Remove the node at the head of the list. The list would be empty at * the end of this call if there are no more nodes in the list. */ static inline struct list_head *lio_list_delete_head(struct list_head *root) { … } #endif
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