Loading drivers/net/ethernet/aquantia/Kconfig +9 −0 Original line number Diff line number Diff line Loading @@ -36,4 +36,13 @@ config AQFWD_QCOM help Enable support for integration with Qualcomm Technologies, Inc. chipsets. config AQFWD_QCOM_IPA bool "QTI IPA offload support" depends on IPA_ETH select AQFWD_QCOM select ATLFWD_FWD help Enable support for Qualcomm Technologies, Inc. IPA (Internet Protocol Accelerator). If unsure, say N. endif # NET_VENDOR_AQUANTIA drivers/net/ethernet/aquantia/atlantic-fwd/Makefile +1 −0 Original line number Diff line number Diff line Loading @@ -43,5 +43,6 @@ atlantic-fwd-$(CONFIG_ATLFWD_FWD) += atl_fwd.o atlantic-fwd-$(CONFIG_OF) += atl_of.o atlantic-fwd-$(CONFIG_AQFWD_QCOM) += atl_qcom.o atlantic-fwd-$(CONFIG_AQFWD_QCOM_IPA) += atl_qcom_ipa.o CFLAGS_atl_trace.o := -I$(src) drivers/net/ethernet/aquantia/atlantic-fwd/atl_main.c +13 −0 Original line number Diff line number Diff line Loading @@ -13,6 +13,8 @@ #include <linux/etherdevice.h> #include <linux/rtnetlink.h> #include "atl_qcom_ipa.h" #include "atl_of.h" const char atl_driver_name[] = "atlantic-fwd"; Loading Loading @@ -595,8 +597,17 @@ static int __init atl_module_init(void) return -ENOMEM; } ret = atl_qcom_ipa_register(&atl_pci_ops); if (ret) { pr_err("%s: Failed to register driver with IPA\n", atl_driver_name); destroy_workqueue(atl_wq); return ret; } ret = pci_register_driver(&atl_pci_ops); if (ret) { atl_qcom_ipa_unregister(&atl_pci_ops); destroy_workqueue(atl_wq); return ret; } Loading @@ -609,6 +620,8 @@ static void __exit atl_module_exit(void) { pci_unregister_driver(&atl_pci_ops); atl_qcom_ipa_unregister(&atl_pci_ops); if (atl_wq) { destroy_workqueue(atl_wq); atl_wq = NULL; Loading drivers/net/ethernet/aquantia/atlantic-fwd/atl_qcom_ipa.c 0 → 100644 +317 −0 Original line number Diff line number Diff line /* Copyright (c) 2019 The Linux Foundation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 and * only version 2 as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ #include <linux/pci.h> #include <linux/gfp.h> #include <linux/slab.h> #include <linux/ipa_eth.h> #include "atl_fwd.h" #include "atl_qcom_ipa.h" #define ATL_IPA_DEFAULT_RING_SZ 128 #define ATL_IPA_DEFAULT_BUFF_SZ 2048 static inline struct atl_fwd_ring *CH_RING(struct ipa_eth_channel *ch) { return (struct atl_fwd_ring *)(ch->nd_priv); } static int atl_ipa_open_device(struct ipa_eth_device *eth_dev) { struct atl_nic *nic = (struct atl_nic *)dev_get_drvdata(eth_dev->dev); if (!nic || !nic->ndev) { dev_err(eth_dev->dev, "Invalid atl_nic"); return -ENODEV; } /* atl specific init, ref counting go here */ eth_dev->nd_priv = nic; eth_dev->net_dev = nic->ndev; return 0; } static void atl_ipa_close_device(struct ipa_eth_device *eth_dev) { eth_dev->nd_priv = NULL; eth_dev->net_dev = NULL; } static struct ipa_eth_channel *atl_ipa_request_channel( struct ipa_eth_device *eth_dev, enum ipa_eth_channel_dir dir, unsigned long features, unsigned long events) { struct atl_fwd_ring *ring = NULL; enum atl_fwd_ring_flags ring_flags = 0; struct ipa_eth_channel *channel = NULL; switch (dir) { case IPA_ETH_DIR_RX: break; case IPA_ETH_DIR_TX: ring_flags |= ATL_FWR_TX; break; default: dev_err(eth_dev->dev, "Unsupported direction %d", dir); return NULL; } ring_flags |= ATL_FWR_ALLOC_BUFS; ring_flags |= ATL_FWR_CONTIG_BUFS; ring = atl_fwd_request_ring(eth_dev->net_dev, ring_flags, ATL_IPA_DEFAULT_RING_SZ, ATL_IPA_DEFAULT_BUFF_SZ, 1); if (IS_ERR_OR_NULL(ring)) { dev_err(eth_dev->dev, "Request ring failed"); goto err_exit; } channel = kzalloc(sizeof(*channel), GFP_KERNEL); if (!channel) goto err_exit; channel->events = 0; channel->features = 0; channel->direction = dir; channel->queue = ring->idx; channel->desc_mem.size = ring->hw.size * 16; channel->desc_mem.vaddr = ring->hw.descs; channel->desc_mem.daddr = ring->hw.daddr; channel->desc_mem.paddr = page_to_phys(vmalloc_to_page(channel->desc_mem.vaddr)); channel->buff_mem.size = ATL_IPA_DEFAULT_RING_SZ * ATL_IPA_DEFAULT_BUFF_SZ; channel->buff_mem.vaddr = (void *)ring->bufs->vaddr_vec; channel->buff_mem.daddr = ring->bufs->daddr_vec_base; channel->buff_mem.paddr = virt_to_phys((void *)ring->bufs->vaddr_vec); channel->eth_dev = eth_dev; channel->nd_priv = ring; return channel; err_exit: kzfree(channel); if (!IS_ERR_OR_NULL(ring)) { atl_fwd_release_ring(ring); ring = NULL; } return NULL; } static void atl_ipa_release_channel(struct ipa_eth_channel *ch) { atl_fwd_release_ring(CH_RING(ch)); kzfree(ch); } static int atl_ipa_enable_channel(struct ipa_eth_channel *ch) { return atl_fwd_enable_ring(CH_RING(ch)); } static int atl_ipa_disable_channel(struct ipa_eth_channel *ch) { atl_fwd_disable_ring(CH_RING(ch)); return 0; } static int atl_ipa_request_event(struct ipa_eth_channel *ch, unsigned long ipa_event, phys_addr_t addr, u64 data) { int rc = 0; struct atl_fwd_event *event = NULL; struct atl_fwd_event atl_event = {0}; struct ipa_eth_device *eth_dev = ch->eth_dev; switch (ipa_event) { case IPA_ETH_DEV_EV_RX_INT: if (ch->direction != IPA_ETH_DIR_RX) { dev_err(eth_dev->dev, "Rx interrupt requested on incorrect channel"); return -EFAULT; } atl_event.msi_addr = dma_map_resource(eth_dev->dev, addr, sizeof(u32), DMA_FROM_DEVICE, 0); atl_event.msi_data = (u32)data; break; case IPA_ETH_DEV_EV_TX_INT: if (ch->direction != IPA_ETH_DIR_TX) { dev_err(eth_dev->dev, "Tx interrupt requested on incorrect channel"); return -EFAULT; } atl_event.msi_addr = dma_map_resource(eth_dev->dev, addr, sizeof(u32), DMA_FROM_DEVICE, 0); atl_event.msi_data = (u32)data; break; case IPA_ETH_DEV_EV_TX_PTR: if (ch->direction != IPA_ETH_DIR_TX) { dev_err(eth_dev->dev, "Tx ptr wrb requested on incorrect channel"); return -EFAULT; } atl_event.flags = ATL_FWD_EVT_TXWB; atl_event.tx_head_wrb = dma_map_resource(eth_dev->dev, addr, sizeof(u32), DMA_FROM_DEVICE, 0); break; default: dev_err(eth_dev->dev, "Unsupported event requested"); return -ENODEV; } event = kzalloc(sizeof(*event), GFP_KERNEL); if (!event) return -ENOMEM; *event = atl_event; event->ring = CH_RING(ch); rc = atl_fwd_request_event(event); if (rc) kfree(event); return rc; } static void atl_ipa_release_event(struct ipa_eth_channel *ch, unsigned long ipa_event) { dma_addr_t daddr; struct atl_fwd_event *event = CH_RING(ch)->evt; struct ipa_eth_device *eth_dev = ch->eth_dev; switch (ipa_event) { case IPA_ETH_DEV_EV_RX_INT: case IPA_ETH_DEV_EV_TX_INT: daddr = event->msi_addr; break; case IPA_ETH_DEV_EV_TX_PTR: daddr = event->tx_head_wrb; break; default: dev_err(eth_dev->dev, "Unsupported event for release"); return; } /* An atl ring can have only one associated event */ atl_fwd_release_event(event); dma_unmap_resource(eth_dev->dev, daddr, sizeof(u32), DMA_FROM_DEVICE, 0); } static int atl_ipa_enable_event(struct ipa_eth_channel *ch, unsigned long event) { /* An atl ring can have only one associated event */ return atl_fwd_enable_event(CH_RING(ch)->evt); } static int atl_ipa_disable_event(struct ipa_eth_channel *ch, unsigned long event) { /* An atl ring can have only one associated event */ return atl_fwd_disable_event(CH_RING(ch)->evt); } int atl_ipa_moderate_event(struct ipa_eth_channel *ch, unsigned long event, u64 min_count, u64 max_count, u64 min_usecs, u64 max_usecs) { return atl_fwd_set_ring_intr_mod(CH_RING(ch), min_usecs, max_usecs); } static int atl_ipa_receive_skb(struct ipa_eth_device *eth_dev, struct sk_buff *skb) { return atl_fwd_receive_skb(eth_dev->net_dev, skb); } static int atl_ipa_transmit_skb(struct ipa_eth_device *eth_dev, struct sk_buff *skb) { return atl_fwd_transmit_skb(eth_dev->net_dev, skb); } struct ipa_eth_net_ops atl_net_ops = { .open_device = atl_ipa_open_device, .close_device = atl_ipa_close_device, .request_channel = atl_ipa_request_channel, .release_channel = atl_ipa_release_channel, .enable_channel = atl_ipa_enable_channel, .disable_channel = atl_ipa_disable_channel, .request_event = atl_ipa_request_event, .release_event = atl_ipa_release_event, .enable_event = atl_ipa_enable_event, .disable_event = atl_ipa_disable_event, .moderate_event = atl_ipa_moderate_event, .receive_skb = atl_ipa_receive_skb, .transmit_skb = atl_ipa_transmit_skb, }; static struct ipa_eth_net_driver atl_net_driver = { .events = IPA_ETH_DEV_EV_RX_INT | IPA_ETH_DEV_EV_TX_INT | IPA_ETH_DEV_EV_TX_PTR, .features = IPA_ETH_DEV_F_L2_CSUM | IPA_ETH_DEV_F_L3_CSUM | IPA_ETH_DEV_F_TCP_CSUM | IPA_ETH_DEV_F_UDP_CSUM | IPA_ETH_DEV_F_LSO | IPA_ETH_DEV_F_LRO | IPA_ETH_DEV_F_VLAN | IPA_ETH_DEV_F_MODC | IPA_ETH_DEV_F_MODT, .bus = &pci_bus_type, .ops = &atl_net_ops, }; int atl_qcom_ipa_register(struct pci_driver *pdrv) { if (!atl_net_driver.name) atl_net_driver.name = pdrv->name; if (!atl_net_driver.driver) atl_net_driver.driver = &pdrv->driver; return ipa_eth_register_net_driver(&atl_net_driver); } void atl_qcom_ipa_unregister(struct pci_driver *pdrv) { ipa_eth_unregister_net_driver(&atl_net_driver); } drivers/net/ethernet/aquantia/atlantic-fwd/atl_qcom_ipa.h 0 → 100644 +35 −0 Original line number Diff line number Diff line /* Copyright (c) 2019 The Linux Foundation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 and * only version 2 as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ #ifndef _ATL_QCOM_IPA_H_ #define _ATL_QCOM_IPA_H_ #include <linux/pci.h> #ifdef CONFIG_AQFWD_QCOM_IPA int atl_qcom_ipa_register(struct pci_driver *drv); void atl_qcom_ipa_unregister(struct pci_driver *drv); #else static inline int atl_qcom_ipa_register(struct pci_driver *drv) { return 0; } static inline void atl_qcom_ipa_unregister(struct pci_driver *drv) { } #endif /* CONFIG_AQFWD_QCOM_IPA */ #endif /* _ATL_QCOM_IPA_H_ */ Loading
drivers/net/ethernet/aquantia/Kconfig +9 −0 Original line number Diff line number Diff line Loading @@ -36,4 +36,13 @@ config AQFWD_QCOM help Enable support for integration with Qualcomm Technologies, Inc. chipsets. config AQFWD_QCOM_IPA bool "QTI IPA offload support" depends on IPA_ETH select AQFWD_QCOM select ATLFWD_FWD help Enable support for Qualcomm Technologies, Inc. IPA (Internet Protocol Accelerator). If unsure, say N. endif # NET_VENDOR_AQUANTIA
drivers/net/ethernet/aquantia/atlantic-fwd/Makefile +1 −0 Original line number Diff line number Diff line Loading @@ -43,5 +43,6 @@ atlantic-fwd-$(CONFIG_ATLFWD_FWD) += atl_fwd.o atlantic-fwd-$(CONFIG_OF) += atl_of.o atlantic-fwd-$(CONFIG_AQFWD_QCOM) += atl_qcom.o atlantic-fwd-$(CONFIG_AQFWD_QCOM_IPA) += atl_qcom_ipa.o CFLAGS_atl_trace.o := -I$(src)
drivers/net/ethernet/aquantia/atlantic-fwd/atl_main.c +13 −0 Original line number Diff line number Diff line Loading @@ -13,6 +13,8 @@ #include <linux/etherdevice.h> #include <linux/rtnetlink.h> #include "atl_qcom_ipa.h" #include "atl_of.h" const char atl_driver_name[] = "atlantic-fwd"; Loading Loading @@ -595,8 +597,17 @@ static int __init atl_module_init(void) return -ENOMEM; } ret = atl_qcom_ipa_register(&atl_pci_ops); if (ret) { pr_err("%s: Failed to register driver with IPA\n", atl_driver_name); destroy_workqueue(atl_wq); return ret; } ret = pci_register_driver(&atl_pci_ops); if (ret) { atl_qcom_ipa_unregister(&atl_pci_ops); destroy_workqueue(atl_wq); return ret; } Loading @@ -609,6 +620,8 @@ static void __exit atl_module_exit(void) { pci_unregister_driver(&atl_pci_ops); atl_qcom_ipa_unregister(&atl_pci_ops); if (atl_wq) { destroy_workqueue(atl_wq); atl_wq = NULL; Loading
drivers/net/ethernet/aquantia/atlantic-fwd/atl_qcom_ipa.c 0 → 100644 +317 −0 Original line number Diff line number Diff line /* Copyright (c) 2019 The Linux Foundation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 and * only version 2 as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ #include <linux/pci.h> #include <linux/gfp.h> #include <linux/slab.h> #include <linux/ipa_eth.h> #include "atl_fwd.h" #include "atl_qcom_ipa.h" #define ATL_IPA_DEFAULT_RING_SZ 128 #define ATL_IPA_DEFAULT_BUFF_SZ 2048 static inline struct atl_fwd_ring *CH_RING(struct ipa_eth_channel *ch) { return (struct atl_fwd_ring *)(ch->nd_priv); } static int atl_ipa_open_device(struct ipa_eth_device *eth_dev) { struct atl_nic *nic = (struct atl_nic *)dev_get_drvdata(eth_dev->dev); if (!nic || !nic->ndev) { dev_err(eth_dev->dev, "Invalid atl_nic"); return -ENODEV; } /* atl specific init, ref counting go here */ eth_dev->nd_priv = nic; eth_dev->net_dev = nic->ndev; return 0; } static void atl_ipa_close_device(struct ipa_eth_device *eth_dev) { eth_dev->nd_priv = NULL; eth_dev->net_dev = NULL; } static struct ipa_eth_channel *atl_ipa_request_channel( struct ipa_eth_device *eth_dev, enum ipa_eth_channel_dir dir, unsigned long features, unsigned long events) { struct atl_fwd_ring *ring = NULL; enum atl_fwd_ring_flags ring_flags = 0; struct ipa_eth_channel *channel = NULL; switch (dir) { case IPA_ETH_DIR_RX: break; case IPA_ETH_DIR_TX: ring_flags |= ATL_FWR_TX; break; default: dev_err(eth_dev->dev, "Unsupported direction %d", dir); return NULL; } ring_flags |= ATL_FWR_ALLOC_BUFS; ring_flags |= ATL_FWR_CONTIG_BUFS; ring = atl_fwd_request_ring(eth_dev->net_dev, ring_flags, ATL_IPA_DEFAULT_RING_SZ, ATL_IPA_DEFAULT_BUFF_SZ, 1); if (IS_ERR_OR_NULL(ring)) { dev_err(eth_dev->dev, "Request ring failed"); goto err_exit; } channel = kzalloc(sizeof(*channel), GFP_KERNEL); if (!channel) goto err_exit; channel->events = 0; channel->features = 0; channel->direction = dir; channel->queue = ring->idx; channel->desc_mem.size = ring->hw.size * 16; channel->desc_mem.vaddr = ring->hw.descs; channel->desc_mem.daddr = ring->hw.daddr; channel->desc_mem.paddr = page_to_phys(vmalloc_to_page(channel->desc_mem.vaddr)); channel->buff_mem.size = ATL_IPA_DEFAULT_RING_SZ * ATL_IPA_DEFAULT_BUFF_SZ; channel->buff_mem.vaddr = (void *)ring->bufs->vaddr_vec; channel->buff_mem.daddr = ring->bufs->daddr_vec_base; channel->buff_mem.paddr = virt_to_phys((void *)ring->bufs->vaddr_vec); channel->eth_dev = eth_dev; channel->nd_priv = ring; return channel; err_exit: kzfree(channel); if (!IS_ERR_OR_NULL(ring)) { atl_fwd_release_ring(ring); ring = NULL; } return NULL; } static void atl_ipa_release_channel(struct ipa_eth_channel *ch) { atl_fwd_release_ring(CH_RING(ch)); kzfree(ch); } static int atl_ipa_enable_channel(struct ipa_eth_channel *ch) { return atl_fwd_enable_ring(CH_RING(ch)); } static int atl_ipa_disable_channel(struct ipa_eth_channel *ch) { atl_fwd_disable_ring(CH_RING(ch)); return 0; } static int atl_ipa_request_event(struct ipa_eth_channel *ch, unsigned long ipa_event, phys_addr_t addr, u64 data) { int rc = 0; struct atl_fwd_event *event = NULL; struct atl_fwd_event atl_event = {0}; struct ipa_eth_device *eth_dev = ch->eth_dev; switch (ipa_event) { case IPA_ETH_DEV_EV_RX_INT: if (ch->direction != IPA_ETH_DIR_RX) { dev_err(eth_dev->dev, "Rx interrupt requested on incorrect channel"); return -EFAULT; } atl_event.msi_addr = dma_map_resource(eth_dev->dev, addr, sizeof(u32), DMA_FROM_DEVICE, 0); atl_event.msi_data = (u32)data; break; case IPA_ETH_DEV_EV_TX_INT: if (ch->direction != IPA_ETH_DIR_TX) { dev_err(eth_dev->dev, "Tx interrupt requested on incorrect channel"); return -EFAULT; } atl_event.msi_addr = dma_map_resource(eth_dev->dev, addr, sizeof(u32), DMA_FROM_DEVICE, 0); atl_event.msi_data = (u32)data; break; case IPA_ETH_DEV_EV_TX_PTR: if (ch->direction != IPA_ETH_DIR_TX) { dev_err(eth_dev->dev, "Tx ptr wrb requested on incorrect channel"); return -EFAULT; } atl_event.flags = ATL_FWD_EVT_TXWB; atl_event.tx_head_wrb = dma_map_resource(eth_dev->dev, addr, sizeof(u32), DMA_FROM_DEVICE, 0); break; default: dev_err(eth_dev->dev, "Unsupported event requested"); return -ENODEV; } event = kzalloc(sizeof(*event), GFP_KERNEL); if (!event) return -ENOMEM; *event = atl_event; event->ring = CH_RING(ch); rc = atl_fwd_request_event(event); if (rc) kfree(event); return rc; } static void atl_ipa_release_event(struct ipa_eth_channel *ch, unsigned long ipa_event) { dma_addr_t daddr; struct atl_fwd_event *event = CH_RING(ch)->evt; struct ipa_eth_device *eth_dev = ch->eth_dev; switch (ipa_event) { case IPA_ETH_DEV_EV_RX_INT: case IPA_ETH_DEV_EV_TX_INT: daddr = event->msi_addr; break; case IPA_ETH_DEV_EV_TX_PTR: daddr = event->tx_head_wrb; break; default: dev_err(eth_dev->dev, "Unsupported event for release"); return; } /* An atl ring can have only one associated event */ atl_fwd_release_event(event); dma_unmap_resource(eth_dev->dev, daddr, sizeof(u32), DMA_FROM_DEVICE, 0); } static int atl_ipa_enable_event(struct ipa_eth_channel *ch, unsigned long event) { /* An atl ring can have only one associated event */ return atl_fwd_enable_event(CH_RING(ch)->evt); } static int atl_ipa_disable_event(struct ipa_eth_channel *ch, unsigned long event) { /* An atl ring can have only one associated event */ return atl_fwd_disable_event(CH_RING(ch)->evt); } int atl_ipa_moderate_event(struct ipa_eth_channel *ch, unsigned long event, u64 min_count, u64 max_count, u64 min_usecs, u64 max_usecs) { return atl_fwd_set_ring_intr_mod(CH_RING(ch), min_usecs, max_usecs); } static int atl_ipa_receive_skb(struct ipa_eth_device *eth_dev, struct sk_buff *skb) { return atl_fwd_receive_skb(eth_dev->net_dev, skb); } static int atl_ipa_transmit_skb(struct ipa_eth_device *eth_dev, struct sk_buff *skb) { return atl_fwd_transmit_skb(eth_dev->net_dev, skb); } struct ipa_eth_net_ops atl_net_ops = { .open_device = atl_ipa_open_device, .close_device = atl_ipa_close_device, .request_channel = atl_ipa_request_channel, .release_channel = atl_ipa_release_channel, .enable_channel = atl_ipa_enable_channel, .disable_channel = atl_ipa_disable_channel, .request_event = atl_ipa_request_event, .release_event = atl_ipa_release_event, .enable_event = atl_ipa_enable_event, .disable_event = atl_ipa_disable_event, .moderate_event = atl_ipa_moderate_event, .receive_skb = atl_ipa_receive_skb, .transmit_skb = atl_ipa_transmit_skb, }; static struct ipa_eth_net_driver atl_net_driver = { .events = IPA_ETH_DEV_EV_RX_INT | IPA_ETH_DEV_EV_TX_INT | IPA_ETH_DEV_EV_TX_PTR, .features = IPA_ETH_DEV_F_L2_CSUM | IPA_ETH_DEV_F_L3_CSUM | IPA_ETH_DEV_F_TCP_CSUM | IPA_ETH_DEV_F_UDP_CSUM | IPA_ETH_DEV_F_LSO | IPA_ETH_DEV_F_LRO | IPA_ETH_DEV_F_VLAN | IPA_ETH_DEV_F_MODC | IPA_ETH_DEV_F_MODT, .bus = &pci_bus_type, .ops = &atl_net_ops, }; int atl_qcom_ipa_register(struct pci_driver *pdrv) { if (!atl_net_driver.name) atl_net_driver.name = pdrv->name; if (!atl_net_driver.driver) atl_net_driver.driver = &pdrv->driver; return ipa_eth_register_net_driver(&atl_net_driver); } void atl_qcom_ipa_unregister(struct pci_driver *pdrv) { ipa_eth_unregister_net_driver(&atl_net_driver); }
drivers/net/ethernet/aquantia/atlantic-fwd/atl_qcom_ipa.h 0 → 100644 +35 −0 Original line number Diff line number Diff line /* Copyright (c) 2019 The Linux Foundation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 and * only version 2 as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ #ifndef _ATL_QCOM_IPA_H_ #define _ATL_QCOM_IPA_H_ #include <linux/pci.h> #ifdef CONFIG_AQFWD_QCOM_IPA int atl_qcom_ipa_register(struct pci_driver *drv); void atl_qcom_ipa_unregister(struct pci_driver *drv); #else static inline int atl_qcom_ipa_register(struct pci_driver *drv) { return 0; } static inline void atl_qcom_ipa_unregister(struct pci_driver *drv) { } #endif /* CONFIG_AQFWD_QCOM_IPA */ #endif /* _ATL_QCOM_IPA_H_ */
