// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) /* Copyright (C) 2015-2017 Netronome Systems, Inc. */ /* Authors: David Brunecz <[email protected]> * Jakub Kicinski <[email protected]> * Jason Mcmullan <[email protected]> */ #include <linux/bitfield.h> #include <linux/ethtool.h> #include <linux/if_ether.h> #include <linux/kernel.h> #include <linux/module.h> #include "nfp.h" #include "nfp_nsp.h" #include "nfp6000/nfp6000.h" #define NSP_ETH_NBI_PORT_COUNT … #define NSP_ETH_MAX_COUNT … #define NSP_ETH_TABLE_SIZE … #define NSP_ETH_PORT_LANES … #define NSP_ETH_PORT_INDEX … #define NSP_ETH_PORT_LABEL … #define NSP_ETH_PORT_PHYLABEL … #define NSP_ETH_PORT_FEC_SUPP_BASER … #define NSP_ETH_PORT_FEC_SUPP_RS … #define NSP_ETH_PORT_SUPP_ANEG … #define NSP_ETH_PORT_LANES_MASK … #define NSP_ETH_STATE_CONFIGURED … #define NSP_ETH_STATE_ENABLED … #define NSP_ETH_STATE_TX_ENABLED … #define NSP_ETH_STATE_RX_ENABLED … #define NSP_ETH_STATE_RATE … #define NSP_ETH_STATE_INTERFACE … #define NSP_ETH_STATE_MEDIA … #define NSP_ETH_STATE_OVRD_CHNG … #define NSP_ETH_STATE_ANEG … #define NSP_ETH_STATE_FEC … #define NSP_ETH_STATE_ACT_FEC … #define NSP_ETH_STATE_TX_PAUSE … #define NSP_ETH_STATE_RX_PAUSE … #define NSP_ETH_CTRL_CONFIGURED … #define NSP_ETH_CTRL_ENABLED … #define NSP_ETH_CTRL_TX_ENABLED … #define NSP_ETH_CTRL_RX_ENABLED … #define NSP_ETH_CTRL_SET_RATE … #define NSP_ETH_CTRL_SET_LANES … #define NSP_ETH_CTRL_SET_ANEG … #define NSP_ETH_CTRL_SET_FEC … #define NSP_ETH_CTRL_SET_IDMODE … #define NSP_ETH_CTRL_SET_TX_PAUSE … #define NSP_ETH_CTRL_SET_RX_PAUSE … enum nfp_eth_raw { … }; enum nfp_eth_rate { … }; eth_table_entry; static const struct { … } nsp_eth_rate_tbl[] = …; static unsigned int nfp_eth_rate2speed(enum nfp_eth_rate rate) { … } static unsigned int nfp_eth_speed2rate(unsigned int speed) { … } static void nfp_eth_copy_mac_reverse(u8 *dst, const u8 *src) { … } static void nfp_eth_port_translate(struct nfp_nsp *nsp, const union eth_table_entry *src, unsigned int index, struct nfp_eth_table_port *dst) { … } static void nfp_eth_calc_port_geometry(struct nfp_cpp *cpp, struct nfp_eth_table *table) { … } static void nfp_eth_calc_port_type(struct nfp_cpp *cpp, struct nfp_eth_table_port *entry) { … } static void nfp_eth_read_media(struct nfp_cpp *cpp, struct nfp_nsp *nsp, struct nfp_eth_table_port *entry) { … } /** * nfp_eth_read_ports() - retrieve port information * @cpp: NFP CPP handle * * Read the port information from the device. Returned structure should * be freed with kfree() once no longer needed. * * Return: populated ETH table or NULL on error. */ struct nfp_eth_table *nfp_eth_read_ports(struct nfp_cpp *cpp) { … } struct nfp_eth_table * __nfp_eth_read_ports(struct nfp_cpp *cpp, struct nfp_nsp *nsp) { … } struct nfp_nsp *nfp_eth_config_start(struct nfp_cpp *cpp, unsigned int idx) { … } void nfp_eth_config_cleanup_end(struct nfp_nsp *nsp) { … } /** * nfp_eth_config_commit_end() - perform recorded configuration changes * @nsp: NFP NSP handle returned from nfp_eth_config_start() * * Perform the configuration which was requested with __nfp_eth_set_*() * helpers and recorded in @nsp state. If device was already configured * as requested or no __nfp_eth_set_*() operations were made no NSP command * will be performed. * * Return: * 0 - configuration successful; * 1 - no changes were needed; * -ERRNO - configuration failed. */ int nfp_eth_config_commit_end(struct nfp_nsp *nsp) { … } /** * nfp_eth_set_mod_enable() - set PHY module enable control bit * @cpp: NFP CPP handle * @idx: NFP chip-wide port index * @enable: Desired state * * Enable or disable PHY module (this usually means setting the TX lanes * disable bits). * * Return: * 0 - configuration successful; * 1 - no changes were needed; * -ERRNO - configuration failed. */ int nfp_eth_set_mod_enable(struct nfp_cpp *cpp, unsigned int idx, bool enable) { … } /** * nfp_eth_set_configured() - set PHY module configured control bit * @cpp: NFP CPP handle * @idx: NFP chip-wide port index * @configed: Desired state * * Set the ifup/ifdown state on the PHY. * * Return: * 0 - configuration successful; * 1 - no changes were needed; * -ERRNO - configuration failed. */ int nfp_eth_set_configured(struct nfp_cpp *cpp, unsigned int idx, bool configed) { … } static int nfp_eth_set_bit_config(struct nfp_nsp *nsp, unsigned int raw_idx, const u64 mask, const unsigned int shift, u64 val, const u64 ctrl_bit) { … } int nfp_eth_set_idmode(struct nfp_cpp *cpp, unsigned int idx, bool state) { … } #define NFP_ETH_SET_BIT_CONFIG(nsp, raw_idx, mask, val, ctrl_bit) … /** * __nfp_eth_set_aneg() - set PHY autonegotiation control bit * @nsp: NFP NSP handle returned from nfp_eth_config_start() * @mode: Desired autonegotiation mode * * Allow/disallow PHY module to advertise/perform autonegotiation. * Will write to hwinfo overrides in the flash (persistent config). * * Return: 0 or -ERRNO. */ int __nfp_eth_set_aneg(struct nfp_nsp *nsp, enum nfp_eth_aneg mode) { … } /** * __nfp_eth_set_fec() - set PHY forward error correction control bit * @nsp: NFP NSP handle returned from nfp_eth_config_start() * @mode: Desired fec mode * * Set the PHY module forward error correction mode. * Will write to hwinfo overrides in the flash (persistent config). * * Return: 0 or -ERRNO. */ static int __nfp_eth_set_fec(struct nfp_nsp *nsp, enum nfp_eth_fec mode) { … } /** * nfp_eth_set_fec() - set PHY forward error correction control mode * @cpp: NFP CPP handle * @idx: NFP chip-wide port index * @mode: Desired fec mode * * Return: * 0 - configuration successful; * 1 - no changes were needed; * -ERRNO - configuration failed. */ int nfp_eth_set_fec(struct nfp_cpp *cpp, unsigned int idx, enum nfp_eth_fec mode) { … } /** * __nfp_eth_set_txpause() - set tx pause control bit * @nsp: NFP NSP handle returned from nfp_eth_config_start() * @tx_pause: TX pause switch * * Set TX pause switch. * * Return: 0 or -ERRNO. */ static int __nfp_eth_set_txpause(struct nfp_nsp *nsp, unsigned int tx_pause) { … } /** * __nfp_eth_set_rxpause() - set rx pause control bit * @nsp: NFP NSP handle returned from nfp_eth_config_start() * @rx_pause: RX pause switch * * Set RX pause switch. * * Return: 0 or -ERRNO. */ static int __nfp_eth_set_rxpause(struct nfp_nsp *nsp, unsigned int rx_pause) { … } /** * nfp_eth_set_pauseparam() - Set TX/RX pause switch. * @cpp: NFP CPP handle * @idx: NFP chip-wide port index * @tx_pause: TX pause switch * @rx_pause: RX pause switch * * Return: * 0 - configuration successful; * 1 - no changes were needed; * -ERRNO - configuration failed. */ int nfp_eth_set_pauseparam(struct nfp_cpp *cpp, unsigned int idx, unsigned int tx_pause, unsigned int rx_pause) { … } /** * __nfp_eth_set_speed() - set interface speed/rate * @nsp: NFP NSP handle returned from nfp_eth_config_start() * @speed: Desired speed (per lane) * * Set lane speed. Provided @speed value should be subport speed divided * by number of lanes this subport is spanning (i.e. 10000 for 40G, 25000 for * 50G, etc.) * Will write to hwinfo overrides in the flash (persistent config). * * Return: 0 or -ERRNO. */ int __nfp_eth_set_speed(struct nfp_nsp *nsp, unsigned int speed) { … } /** * __nfp_eth_set_split() - set interface lane split * @nsp: NFP NSP handle returned from nfp_eth_config_start() * @lanes: Desired lanes per port * * Set number of lanes in the port. * Will write to hwinfo overrides in the flash (persistent config). * * Return: 0 or -ERRNO. */ int __nfp_eth_set_split(struct nfp_nsp *nsp, unsigned int lanes) { … }
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