From: Jiawen Wu Date: Mon, 19 Oct 2020 08:53:20 +0000 (+0800) Subject: net/txgbe: add device init and uninit X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=e1698e383c2a678bb80fcd9215d374eb50207876;p=dpdk.git net/txgbe: add device init and uninit Add basic init and uninit function, and some macro definitions prepare for hardware infrastructure. Signed-off-by: Jiawen Wu Reviewed-by: Ferruh Yigit --- diff --git a/drivers/net/txgbe/base/txgbe_osdep.h b/drivers/net/txgbe/base/txgbe_osdep.h new file mode 100644 index 0000000000..f3d443ad37 --- /dev/null +++ b/drivers/net/txgbe/base/txgbe_osdep.h @@ -0,0 +1,181 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2015-2020 + */ + +#ifndef _TXGBE_OS_H_ +#define _TXGBE_OS_H_ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "../txgbe_logs.h" + +#define RTE_LIBRTE_TXGBE_TM DCPV(1, 0) +#define TMZ_PADDR(mz) ((mz)->iova) +#define TMZ_VADDR(mz) ((mz)->addr) +#define TDEV_NAME(eth_dev) ((eth_dev)->device->name) + +#define ASSERT(x) do { \ + if (!(x)) \ + rte_panic("TXGBE: x"); \ +} while (0) + +#define usec_delay(x) rte_delay_us(x) +#define msec_delay(x) rte_delay_ms(x) +#define usleep(x) rte_delay_us(x) +#define msleep(x) rte_delay_ms(x) + +#define FALSE 0 +#define TRUE 1 + +#define false 0 +#define true 1 +#define min(a, b) RTE_MIN(a, b) +#define max(a, b) RTE_MAX(a, b) + +/* Bunch of defines for shared code bogosity */ + +static inline void UNREFERENCED(const char *a __rte_unused, ...) {} +#define UNREFERENCED_PARAMETER(args...) UNREFERENCED("", ##args) + +#define STATIC static + +typedef uint8_t u8; +typedef int8_t s8; +typedef uint16_t u16; +typedef int16_t s16; +typedef uint32_t u32; +typedef int32_t s32; +typedef uint64_t u64; +typedef int64_t s64; + +/* Little Endian defines */ +#ifndef __le16 +#define __le16 u16 +#define __le32 u32 +#define __le64 u64 +#endif +#ifndef __be16 +#define __be16 u16 +#define __be32 u32 +#define __be64 u64 +#endif + +/* Bit shift and mask */ +#define BIT_MASK4 (0x0000000FU) +#define BIT_MASK8 (0x000000FFU) +#define BIT_MASK16 (0x0000FFFFU) +#define BIT_MASK32 (0xFFFFFFFFU) +#define BIT_MASK64 (0xFFFFFFFFFFFFFFFFUL) + +#ifndef cpu_to_le32 +#define cpu_to_le16(v) rte_cpu_to_le_16((u16)(v)) +#define cpu_to_le32(v) rte_cpu_to_le_32((u32)(v)) +#define cpu_to_le64(v) rte_cpu_to_le_64((u64)(v)) +#define le_to_cpu16(v) rte_le_to_cpu_16((u16)(v)) +#define le_to_cpu32(v) rte_le_to_cpu_32((u32)(v)) +#define le_to_cpu64(v) rte_le_to_cpu_64((u64)(v)) + +#define cpu_to_be16(v) rte_cpu_to_be_16((u16)(v)) +#define cpu_to_be32(v) rte_cpu_to_be_32((u32)(v)) +#define cpu_to_be64(v) rte_cpu_to_be_64((u64)(v)) +#define be_to_cpu16(v) rte_be_to_cpu_16((u16)(v)) +#define be_to_cpu32(v) rte_be_to_cpu_32((u32)(v)) +#define be_to_cpu64(v) rte_be_to_cpu_64((u64)(v)) + +#define le_to_be16(v) rte_bswap16((u16)(v)) +#define le_to_be32(v) rte_bswap32((u32)(v)) +#define le_to_be64(v) rte_bswap64((u64)(v)) +#define be_to_le16(v) rte_bswap16((u16)(v)) +#define be_to_le32(v) rte_bswap32((u32)(v)) +#define be_to_le64(v) rte_bswap64((u64)(v)) + +#define npu_to_le16(v) (v) +#define npu_to_le32(v) (v) +#define npu_to_le64(v) (v) +#define le_to_npu16(v) (v) +#define le_to_npu32(v) (v) +#define le_to_npu64(v) (v) + +#define npu_to_be16(v) le_to_be16((u16)(v)) +#define npu_to_be32(v) le_to_be32((u32)(v)) +#define npu_to_be64(v) le_to_be64((u64)(v)) +#define be_to_npu16(v) be_to_le16((u16)(v)) +#define be_to_npu32(v) be_to_le32((u32)(v)) +#define be_to_npu64(v) be_to_le64((u64)(v)) +#endif /* !cpu_to_le32 */ + +static inline u16 REVERT_BIT_MASK16(u16 mask) +{ + mask = ((mask & 0x5555) << 1) | ((mask & 0xAAAA) >> 1); + mask = ((mask & 0x3333) << 2) | ((mask & 0xCCCC) >> 2); + mask = ((mask & 0x0F0F) << 4) | ((mask & 0xF0F0) >> 4); + return ((mask & 0x00FF) << 8) | ((mask & 0xFF00) >> 8); +} + +static inline u32 REVERT_BIT_MASK32(u32 mask) +{ + mask = ((mask & 0x55555555) << 1) | ((mask & 0xAAAAAAAA) >> 1); + mask = ((mask & 0x33333333) << 2) | ((mask & 0xCCCCCCCC) >> 2); + mask = ((mask & 0x0F0F0F0F) << 4) | ((mask & 0xF0F0F0F0) >> 4); + mask = ((mask & 0x00FF00FF) << 8) | ((mask & 0xFF00FF00) >> 8); + return ((mask & 0x0000FFFF) << 16) | ((mask & 0xFFFF0000) >> 16); +} + +static inline u64 REVERT_BIT_MASK64(u64 mask) +{ + mask = ((mask & 0x5555555555555555) << 1) | + ((mask & 0xAAAAAAAAAAAAAAAA) >> 1); + mask = ((mask & 0x3333333333333333) << 2) | + ((mask & 0xCCCCCCCCCCCCCCCC) >> 2); + mask = ((mask & 0x0F0F0F0F0F0F0F0F) << 4) | + ((mask & 0xF0F0F0F0F0F0F0F0) >> 4); + mask = ((mask & 0x00FF00FF00FF00FF) << 8) | + ((mask & 0xFF00FF00FF00FF00) >> 8); + mask = ((mask & 0x0000FFFF0000FFFF) << 16) | + ((mask & 0xFFFF0000FFFF0000) >> 16); + return ((mask & 0x00000000FFFFFFFF) << 32) | + ((mask & 0xFFFFFFFF00000000) >> 32); +} + +#ifndef __rte_weak +#define __rte_weak __attribute__((__weak__)) +#endif + +#define IOMEM + +#define prefetch(x) rte_prefetch0(x) + +#define ARRAY_SIZE(x) ((int32_t)RTE_DIM(x)) + +#ifndef MAX_UDELAY_MS +#define MAX_UDELAY_MS 5 +#endif + +#define ETH_ADDR_LEN 6 +#define ETH_FCS_LEN 4 + +/* Check whether address is multicast. This is little-endian specific check.*/ +#define TXGBE_IS_MULTICAST(address) \ + (bool)(((u8 *)(address))[0] & ((u8)0x01)) + +/* Check whether an address is broadcast. */ +#define TXGBE_IS_BROADCAST(address) \ + ({typeof(address)addr = (address); \ + (((u8 *)(addr))[0] == ((u8)0xff)) && \ + (((u8 *)(addr))[1] == ((u8)0xff)); }) + +#define ETH_P_8021Q 0x8100 +#define ETH_P_8021AD 0x88A8 + +#endif /* _TXGBE_OS_H_ */ diff --git a/drivers/net/txgbe/base/txgbe_type.h b/drivers/net/txgbe/base/txgbe_type.h index 8ed324a1b9..f310e154f5 100644 --- a/drivers/net/txgbe/base/txgbe_type.h +++ b/drivers/net/txgbe/base/txgbe_type.h @@ -5,10 +5,30 @@ #ifndef _TXGBE_TYPE_H_ #define _TXGBE_TYPE_H_ +#define TXGBE_ALIGN 128 /* as intel did */ + +#include "txgbe_osdep.h" #include "txgbe_devids.h" +struct txgbe_mac_info { + u8 perm_addr[ETH_ADDR_LEN]; + u32 num_rar_entries; +}; + struct txgbe_hw { + void IOMEM *hw_addr; void *back; + struct txgbe_mac_info mac; + + u16 device_id; + u16 vendor_id; + u16 subsystem_device_id; + u16 subsystem_vendor_id; + + bool allow_unsupported_sfp; + + uint64_t isb_dma; + void IOMEM *isb_mem; }; #endif /* _TXGBE_TYPE_H_ */ diff --git a/drivers/net/txgbe/txgbe_ethdev.c b/drivers/net/txgbe/txgbe_ethdev.c index e2fd10cc20..6f643b16a0 100644 --- a/drivers/net/txgbe/txgbe_ethdev.c +++ b/drivers/net/txgbe/txgbe_ethdev.c @@ -2,14 +2,21 @@ * Copyright(c) 2015-2020 */ +#include +#include +#include +#include #include #include #include +#include #include "txgbe_logs.h" #include "base/txgbe.h" #include "txgbe_ethdev.h" +static int txgbe_dev_close(struct rte_eth_dev *dev); + /* * The set of PCI devices this driver supports */ @@ -19,10 +26,68 @@ static const struct rte_pci_id pci_id_txgbe_map[] = { { .vendor_id = 0, /* sentinel */ }, }; +static const struct eth_dev_ops txgbe_eth_dev_ops; + static int eth_txgbe_dev_init(struct rte_eth_dev *eth_dev, void *init_params __rte_unused) { - RTE_SET_USED(eth_dev); + struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev); + struct txgbe_hw *hw = TXGBE_DEV_HW(eth_dev); + struct rte_intr_handle *intr_handle = &pci_dev->intr_handle; + const struct rte_memzone *mz; + + PMD_INIT_FUNC_TRACE(); + + eth_dev->dev_ops = &txgbe_eth_dev_ops; + + rte_eth_copy_pci_info(eth_dev, pci_dev); + + /* Vendor and Device ID need to be set before init of shared code */ + hw->device_id = pci_dev->id.device_id; + hw->vendor_id = pci_dev->id.vendor_id; + hw->hw_addr = (void *)pci_dev->mem_resource[0].addr; + hw->allow_unsupported_sfp = 1; + + /* Reserve memory for interrupt status block */ + mz = rte_eth_dma_zone_reserve(eth_dev, "txgbe_driver", -1, + 16, TXGBE_ALIGN, SOCKET_ID_ANY); + if (mz == NULL) + return -ENOMEM; + + hw->isb_dma = TMZ_PADDR(mz); + hw->isb_mem = TMZ_VADDR(mz); + + /* Allocate memory for storing MAC addresses */ + eth_dev->data->mac_addrs = rte_zmalloc("txgbe", RTE_ETHER_ADDR_LEN * + hw->mac.num_rar_entries, 0); + if (eth_dev->data->mac_addrs == NULL) { + PMD_INIT_LOG(ERR, + "Failed to allocate %u bytes needed to store " + "MAC addresses", + RTE_ETHER_ADDR_LEN * hw->mac.num_rar_entries); + return -ENOMEM; + } + + /* Copy the permanent MAC address */ + rte_ether_addr_copy((struct rte_ether_addr *)hw->mac.perm_addr, + ð_dev->data->mac_addrs[0]); + + /* Allocate memory for storing hash filter MAC addresses */ + eth_dev->data->hash_mac_addrs = rte_zmalloc("txgbe", + RTE_ETHER_ADDR_LEN * TXGBE_VMDQ_NUM_UC_MAC, 0); + if (eth_dev->data->hash_mac_addrs == NULL) { + PMD_INIT_LOG(ERR, + "Failed to allocate %d bytes needed to store MAC addresses", + RTE_ETHER_ADDR_LEN * TXGBE_VMDQ_NUM_UC_MAC); + return -ENOMEM; + } + + PMD_INIT_LOG(DEBUG, "port %d vendorID=0x%x deviceID=0x%x", + eth_dev->data->port_id, pci_dev->id.vendor_id, + pci_dev->id.device_id); + + /* enable uio/vfio intr/eventfd mapping */ + rte_intr_enable(intr_handle); return 0; } @@ -30,7 +95,12 @@ eth_txgbe_dev_init(struct rte_eth_dev *eth_dev, void *init_params __rte_unused) static int eth_txgbe_dev_uninit(struct rte_eth_dev *eth_dev) { - RTE_SET_USED(eth_dev); + PMD_INIT_FUNC_TRACE(); + + if (rte_eal_process_type() != RTE_PROC_PRIMARY) + return 0; + + txgbe_dev_close(eth_dev); return 0; } @@ -86,6 +156,32 @@ static struct rte_pci_driver rte_txgbe_pmd = { .remove = eth_txgbe_pci_remove, }; +/* + * Reset and stop device. + */ +static int +txgbe_dev_close(struct rte_eth_dev *dev) +{ + struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev); + struct rte_intr_handle *intr_handle = &pci_dev->intr_handle; + + PMD_INIT_FUNC_TRACE(); + + /* disable uio intr before callback unregister */ + rte_intr_disable(intr_handle); + + rte_free(dev->data->mac_addrs); + dev->data->mac_addrs = NULL; + + rte_free(dev->data->hash_mac_addrs); + dev->data->hash_mac_addrs = NULL; + + return 0; +} + +static const struct eth_dev_ops txgbe_eth_dev_ops = { +}; + RTE_PMD_REGISTER_PCI(net_txgbe, rte_txgbe_pmd); RTE_PMD_REGISTER_PCI_TABLE(net_txgbe, pci_id_txgbe_map); RTE_PMD_REGISTER_KMOD_DEP(net_txgbe, "* igb_uio | uio_pci_generic | vfio-pci"); diff --git a/drivers/net/txgbe/txgbe_ethdev.h b/drivers/net/txgbe/txgbe_ethdev.h index 8581da4574..5db03ba202 100644 --- a/drivers/net/txgbe/txgbe_ethdev.h +++ b/drivers/net/txgbe/txgbe_ethdev.h @@ -14,4 +14,8 @@ struct txgbe_adapter { struct txgbe_hw hw; }; +#define TXGBE_DEV_HW(dev) \ + (&((struct txgbe_adapter *)(dev)->data->dev_private)->hw) + +#define TXGBE_VMDQ_NUM_UC_MAC 4096 /* Maximum nb. of UC MAC addr. */ #endif /* _TXGBE_ETHDEV_H_ */