Add a DPAA PMD API to configure the transmit rate limit (rate and burst) on a DPAA port, using the FMAN port rate limiter.
Signed-off-by: Hemant Agrawal <[email protected]> --- drivers/net/dpaa/dpaa_flow.c | 82 ++++++++++++++++++++++++++++ drivers/net/dpaa/fmlib/fm_lib.c | 32 ++++++++++- drivers/net/dpaa/fmlib/fm_port_ext.h | 4 +- drivers/net/dpaa/rte_pmd_dpaa.h | 21 ++++++- 4 files changed, 135 insertions(+), 4 deletions(-) diff --git a/drivers/net/dpaa/dpaa_flow.c b/drivers/net/dpaa/dpaa_flow.c index bfe294d21d..4e3c9d42a5 100644 --- a/drivers/net/dpaa/dpaa_flow.c +++ b/drivers/net/dpaa/dpaa_flow.c @@ -673,6 +673,22 @@ static inline int get_rx_port_type(struct fman_if *fif) return e_FM_PORT_TYPE_DUMMY; } +static inline int get_tx_port_type(struct fman_if *fif) +{ + if (fif->mac_type == fman_offline_internal || + fif->mac_type == fman_onic) + return e_FM_PORT_TYPE_OH_OFFLINE_PARSING; + else if (fif->mac_type == fman_mac_1g) + return e_FM_PORT_TYPE_TX; + else if (fif->mac_type == fman_mac_2_5g) + return e_FM_PORT_TYPE_TX_2_5G; + else if (fif->mac_type == fman_mac_10g) + return e_FM_PORT_TYPE_TX_10G; + + DPAA_PMD_ERR("MAC type unsupported"); + return e_FM_PORT_TYPE_DUMMY; +} + static inline int set_fm_port_handle(struct dpaa_if *dpaa_intf, uint64_t req_dist_set, struct fman_if *fif) @@ -1078,3 +1094,69 @@ int dpaa_port_vsp_cleanup(struct dpaa_if *dpaa_intf, struct fman_if *fif) return E_OK; } + +int rte_pmd_dpaa_port_set_rate_limit(uint16_t port_id, uint16_t burst, + uint32_t rate) +{ + t_fm_port_rate_limit port_rate_limit; + bool port_handle_exists = true; + void *handle; + uint32_t ret; + struct rte_eth_dev *dev; + struct dpaa_if *dpaa_intf; + struct fman_if *fif; + + RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV); + dev = &rte_eth_devices[port_id]; + dpaa_intf = dev->data->dev_private; + fif = dev->process_private; + + memset(&port_rate_limit, 0, sizeof(port_rate_limit)); + port_rate_limit.max_burst_size = burst; + port_rate_limit.rate_limit = rate; + + DPAA_PMD_DEBUG("Setting Rate Limiter for port:%s Max Burst =%u Max Rate =%u", + dpaa_intf->name, burst, rate); + + if (!dpaa_intf->port_handle) { + t_fm_port_params fm_port_params; + + /* Memset FM port params */ + memset(&fm_port_params, 0, sizeof(fm_port_params)); + + /* Set FM port params */ + fm_port_params.h_fm = fm_open(0); + fm_port_params.port_type = get_tx_port_type(fif); + fm_port_params.port_id = mac_idx[fif->mac_idx]; + + /* FM PORT Open */ + handle = fm_port_open(&fm_port_params); + fm_close(fm_port_params.h_fm); + if (!handle) { + DPAA_PMD_ERR("Can't open handle %p", + fm_info.fman_handle); + return -ENODEV; + } + + port_handle_exists = false; + } else { + handle = dpaa_intf->port_handle; + } + + if (burst == 0 || rate == 0) + ret = fm_port_delete_rate_limit(handle); + else + ret = fm_port_set_rate_limit(handle, &port_rate_limit); + + if (ret) { + DPAA_PMD_ERR("Failed to set rate limit ret = %#x", -ret); + return -ret; + } + + DPAA_PMD_DEBUG("FM_PORT_SetRateLimit ret = %#x", -ret); + + if (!port_handle_exists) + fm_port_close(handle); + + return 0; +} diff --git a/drivers/net/dpaa/fmlib/fm_lib.c b/drivers/net/dpaa/fmlib/fm_lib.c index 65a818372e..8cdaaa16bc 100644 --- a/drivers/net/dpaa/fmlib/fm_lib.c +++ b/drivers/net/dpaa/fmlib/fm_lib.c @@ -1,6 +1,6 @@ /* SPDX-License-Identifier: BSD-3-Clause * Copyright 2008-2016 Freescale Semiconductor Inc. - * Copyright 2017-2024 NXP + * Copyright 2017-2026 NXP */ #include <stdio.h> @@ -561,3 +561,33 @@ get_device_id(t_handle h_dev) return (t_handle)p_dev->id; } + +uint32_t +fm_port_delete_rate_limit(t_handle h_fm_port) +{ + t_device *p_dev = (t_device *)h_fm_port; + + _fml_dbg("Calling...\n"); + + if (ioctl(p_dev->fd, FM_PORT_IOC_REMOVE_RATE_LIMIT)) + RETURN_ERROR(MINOR, E_INVALID_OPERATION, NO_MSG); + + _fml_dbg("Finishing.\n"); + + return E_OK; +} + +uint32_t +fm_port_set_rate_limit(t_handle h_fm_port, t_fm_port_rate_limit *p_rate_limit) +{ + t_device *p_dev = (t_device *)h_fm_port; + + _fml_dbg("Calling...\n"); + + if (ioctl(p_dev->fd, FM_PORT_IOC_SET_RATE_LIMIT, p_rate_limit)) + RETURN_ERROR(MINOR, E_INVALID_OPERATION, NO_MSG); + + _fml_dbg("Finishing.\n"); + + return E_OK; +} diff --git a/drivers/net/dpaa/fmlib/fm_port_ext.h b/drivers/net/dpaa/fmlib/fm_port_ext.h index bb2e00222e..f4a6053339 100644 --- a/drivers/net/dpaa/fmlib/fm_port_ext.h +++ b/drivers/net/dpaa/fmlib/fm_port_ext.h @@ -1,6 +1,6 @@ /* SPDX-License-Identifier: BSD-3-Clause * Copyright 2008-2012 Freescale Semiconductor Inc. - * Copyright 2017-2020 NXP + * Copyright 2017-2022 NXP */ #ifndef __FM_PORT_EXT_H @@ -274,7 +274,7 @@ typedef struct ioc_fm_port_congestion_groups_t { * @Return 0 on success; error code otherwise. */ #define FM_PORT_IOC_SET_RATE_LIMIT \ - IOW(FM_IOC_TYPE_BASE, FM_PORT_IOC_NUM(3), ioc_fm_port_rate_limit_t) + _IOW(FM_IOC_TYPE_BASE, FM_PORT_IOC_NUM(3), ioc_fm_port_rate_limit_t) /* * @Function fm_port_delete_rate_limit diff --git a/drivers/net/dpaa/rte_pmd_dpaa.h b/drivers/net/dpaa/rte_pmd_dpaa.h index 0a57e2097a..5ce5962195 100644 --- a/drivers/net/dpaa/rte_pmd_dpaa.h +++ b/drivers/net/dpaa/rte_pmd_dpaa.h @@ -1,5 +1,5 @@ /* SPDX-License-Identifier: BSD-3-Clause - * Copyright 2018 NXP + * Copyright 2018,2022 NXP */ #ifndef _PMD_DPAA_H_ @@ -33,4 +33,23 @@ int rte_pmd_dpaa_set_tx_loopback(uint16_t port, uint8_t on); +/** + * Set TX rate limit + * + * @param port_id + * The port identifier of the Ethernet device. + * @param burst + * Max burst size(KBytes) of the Ethernet device. + * 0 - Disable TX rate limit. + * @param rate + * Max rate(Kb/sec) of the Ethernet device. + * 0 - Disable TX rate limit. + * @return + * 0 - if successful. + * <0 - if failed, with proper error code. + */ +int +rte_pmd_dpaa_port_set_rate_limit(uint16_t port_id, uint16_t burst, + uint32_t rate); + #endif /* _PMD_DPAA_H_ */ -- 2.25.1
