| /* |
| * Copyright (c) 2021, The Linux Foundation. All rights reserved. |
| * |
| * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved. |
| * |
| * Permission to use, copy, modify, and/or distribute this software for any |
| * purpose with or without fee is hereby granted, provided that the above |
| * copyright notice and this permission notice appear in all copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
| * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER |
| * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT |
| * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE |
| * USE OR PERFORMANCE OF THIS SOFTWARE. |
| */ |
| |
| #ifndef __EDMA_CFG_RX_H__ |
| #define __EDMA_CFG_RX_H__ |
| |
| #define EDMA_RX_NAPI_WORK_MIN 16 |
| #define EDMA_RX_NAPI_WORK_MAX 512 |
| #define EDMA_RX_PAGE_MODE_SKB_SIZE 256 /* SKB payload size used in page mode */ |
| #define EDMA_RX_DEFAULT_QUEUE_PRI 0 |
| #define EDMA_RX_FC_ENABLE 0 /* RX flow control default state */ |
| #define EDMA_RX_FC_XOFF_THRE_MIN 0 /* Rx flow control minimum X-OFF value */ |
| #define EDMA_RX_FC_XON_THRE_MIN 0 /* Rx flow control mininum X-ON value */ |
| #define EDMA_RX_AC_FC_THRE_ORIG 0x190 /* Rx AC flow control original threshold */ |
| #define EDMA_RX_AC_FC_THRE_MIN 0 /* Rx AC flow control minimum threshold */ |
| #define EDMA_RX_AC_FC_THRE_MAX 0x7ff /* Rx AC flow control maximum threshold. |
| AC FC threshold value is 11 bits long */ |
| |
| #define EDMA_RX_MITIGATION_TIMER_MIN 0 /* Rx mitigation timer's minimum value in microseconds */ |
| #define EDMA_RX_MITIGATION_TIMER_MAX 1000 /* Rx mitigation timer's maximum value in microseconds */ |
| #define EDMA_RX_MITIGATION_PKT_CNT_MIN 0 /* Rx mitigation packet count's minimum value */ |
| #define EDMA_RX_MITIGATION_PKT_CNT_MAX 256 /* Rx mitigation packet count's maximum value */ |
| |
| extern uint32_t edma_cfg_rx_fc_enable; |
| |
| void edma_cfg_rx_rings(struct edma_gbl_ctx *egc); |
| int32_t edma_cfg_rx_rings_alloc(struct edma_gbl_ctx *egc); |
| void edma_cfg_rx_rings_cleanup(struct edma_gbl_ctx *egc); |
| void edma_cfg_rx_napi_disable(struct edma_gbl_ctx *egc); |
| void edma_cfg_rx_napi_enable(struct edma_gbl_ctx *egc); |
| void edma_cfg_rx_napi_delete(struct edma_gbl_ctx *egc); |
| void edma_cfg_rx_napi_add(struct edma_gbl_ctx *egc, struct net_device *netdev); |
| void edma_cfg_rx_mapping(struct edma_gbl_ctx *egc); |
| void edma_cfg_rx_rings_enable(struct edma_gbl_ctx *egc); |
| void edma_cfg_rx_rings_disable(struct edma_gbl_ctx *egc); |
| int edma_cfg_rx_fc_enable_handler(struct ctl_table *table, int write, |
| void __user *buffer, size_t *lenp, loff_t *ppos); |
| void edma_cfg_rx_page_mode_and_jumbo(struct edma_gbl_ctx *egc); |
| #endif /* __EDMA_CFG_RX_H__ */ |
