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net/cxgbe: add skeleton VF driver

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Add minimal VF driver.  Declare functions common to both PF and VF
functionality in separate header file and import the header file.

Signed-off-by: Kumar Sanghvi <kumaras@chelsio.com>
Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
This commit is contained in:
Kumar Sanghvi 2018-03-11 04:18:19 +05:30 committed by Ferruh Yigit
parent 50da8b0de8
commit 011ebc236d
6 changed files with 193 additions and 40 deletions
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28
doc/guides/nics/features/cxgbevf.ini Normal file
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@ -0,0 +1,28 @@
;
; Supported features of the 'cxgbevf' network poll mode driver.
;
; Refer to default.ini for the full list of available PMD features.
;
[Features]
Speed capabilities = Y
Link status = Y
Queue start/stop = Y
MTU update = Y
Jumbo frame = Y
Scattered Rx = Y
TSO = Y
Promiscuous mode = Y
Allmulticast mode = Y
RSS hash = Y
CRC offload = Y
VLAN offload = Y
L3 checksum offload = Y
L4 checksum offload = Y
Packet type parsing = Y
Basic stats = Y
Stats per queue = Y
Multiprocess aware = Y
Linux UIO = Y
Linux VFIO = Y
x86-32 = Y
x86-64 = Y

5
doc/guides/rel_notes/release_18_05.rst
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@ -45,6 +45,11 @@ New Features
Support to update RSS hash and key has been added to CXGBE PMD.
* **Added CXGBE VF PMD.**
CXGBE VF Poll Mode Driver has been added to run DPDK over Chelsio
T5/T6 NIC VF instances.
* **Updated Solarflare network PMD.**
Updated the sfc_efx driver including the following changes:

1
drivers/net/cxgbe/Makefile
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@ -80,6 +80,7 @@ VPATH += $(SRCDIR)/base
# all source are stored in SRCS-y
#
SRCS-$(CONFIG_RTE_LIBRTE_CXGBE_PMD) += cxgbe_ethdev.c
SRCS-$(CONFIG_RTE_LIBRTE_CXGBE_PMD) += cxgbevf_ethdev.c
SRCS-$(CONFIG_RTE_LIBRTE_CXGBE_PMD) += cxgbe_main.c
SRCS-$(CONFIG_RTE_LIBRTE_CXGBE_PMD) += sge.c
SRCS-$(CONFIG_RTE_LIBRTE_CXGBE_PMD) += t4_hw.c

70
drivers/net/cxgbe/cxgbe_ethdev.c
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@ -63,6 +63,7 @@
#include <rte_dev.h>
#include "cxgbe.h"
#include "cxgbe_pfvf.h"
/*
* Macros needed to support the PCI Device ID Table ...
@ -135,8 +136,8 @@ static uint16_t cxgbe_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
return work_done;
}
static void cxgbe_dev_info_get(struct rte_eth_dev *eth_dev,
struct rte_eth_dev_info *device_info)
void cxgbe_dev_info_get(struct rte_eth_dev *eth_dev,
struct rte_eth_dev_info *device_info)
{
struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
struct adapter *adapter = pi->adapter;
@ -179,7 +180,7 @@ static void cxgbe_dev_info_get(struct rte_eth_dev *eth_dev,
cxgbe_get_speed_caps(pi, &device_info->speed_capa);
}
static void cxgbe_dev_promiscuous_enable(struct rte_eth_dev *eth_dev)
void cxgbe_dev_promiscuous_enable(struct rte_eth_dev *eth_dev)
{
struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
struct adapter *adapter = pi->adapter;
@ -188,7 +189,7 @@ static void cxgbe_dev_promiscuous_enable(struct rte_eth_dev *eth_dev)
1, -1, 1, -1, false);
}
static void cxgbe_dev_promiscuous_disable(struct rte_eth_dev *eth_dev)
void cxgbe_dev_promiscuous_disable(struct rte_eth_dev *eth_dev)
{
struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
struct adapter *adapter = pi->adapter;
@ -197,7 +198,7 @@ static void cxgbe_dev_promiscuous_disable(struct rte_eth_dev *eth_dev)
0, -1, 1, -1, false);
}
static void cxgbe_dev_allmulticast_enable(struct rte_eth_dev *eth_dev)
void cxgbe_dev_allmulticast_enable(struct rte_eth_dev *eth_dev)
{
struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
struct adapter *adapter = pi->adapter;
@ -208,7 +209,7 @@ static void cxgbe_dev_allmulticast_enable(struct rte_eth_dev *eth_dev)
-1, 1, 1, -1, false);
}
static void cxgbe_dev_allmulticast_disable(struct rte_eth_dev *eth_dev)
void cxgbe_dev_allmulticast_disable(struct rte_eth_dev *eth_dev)
{
struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
struct adapter *adapter = pi->adapter;
@ -219,8 +220,8 @@ static void cxgbe_dev_allmulticast_disable(struct rte_eth_dev *eth_dev)
-1, 0, 1, -1, false);
}
static int cxgbe_dev_link_update(struct rte_eth_dev *eth_dev,
__rte_unused int wait_to_complete)
int cxgbe_dev_link_update(struct rte_eth_dev *eth_dev,
__rte_unused int wait_to_complete)
{
struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
struct adapter *adapter = pi->adapter;
@ -240,7 +241,7 @@ static int cxgbe_dev_link_update(struct rte_eth_dev *eth_dev,
return 0;
}
static int cxgbe_dev_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu)
int cxgbe_dev_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu)
{
struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
struct adapter *adapter = pi->adapter;
@ -268,17 +269,10 @@ static int cxgbe_dev_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu)
return err;
}
static int cxgbe_dev_tx_queue_start(struct rte_eth_dev *eth_dev,
uint16_t tx_queue_id);
static int cxgbe_dev_rx_queue_start(struct rte_eth_dev *eth_dev,
uint16_t tx_queue_id);
static void cxgbe_dev_tx_queue_release(void *q);
static void cxgbe_dev_rx_queue_release(void *q);
/*
* Stop device.
*/
static void cxgbe_dev_close(struct rte_eth_dev *eth_dev)
void cxgbe_dev_close(struct rte_eth_dev *eth_dev)
{
struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
struct adapter *adapter = pi->adapter;
@ -317,7 +311,7 @@ static void cxgbe_dev_close(struct rte_eth_dev *eth_dev)
/* Start the device.
* It returns 0 on success.
*/
static int cxgbe_dev_start(struct rte_eth_dev *eth_dev)
int cxgbe_dev_start(struct rte_eth_dev *eth_dev)
{
struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
struct adapter *adapter = pi->adapter;
@ -369,7 +363,7 @@ static int cxgbe_dev_start(struct rte_eth_dev *eth_dev)
/*
* Stop device: disable rx and tx functions to allow for reconfiguring.
*/
static void cxgbe_dev_stop(struct rte_eth_dev *eth_dev)
void cxgbe_dev_stop(struct rte_eth_dev *eth_dev)
{
struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
struct adapter *adapter = pi->adapter;
@ -388,7 +382,7 @@ static void cxgbe_dev_stop(struct rte_eth_dev *eth_dev)
t4_sge_eth_clear_queues(pi);
}
static int cxgbe_dev_configure(struct rte_eth_dev *eth_dev)
int cxgbe_dev_configure(struct rte_eth_dev *eth_dev)
{
struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
struct adapter *adapter = pi->adapter;
@ -410,8 +404,7 @@ static int cxgbe_dev_configure(struct rte_eth_dev *eth_dev)
return 0;
}
static int cxgbe_dev_tx_queue_start(struct rte_eth_dev *eth_dev,
uint16_t tx_queue_id)
int cxgbe_dev_tx_queue_start(struct rte_eth_dev *eth_dev, uint16_t tx_queue_id)
{
int ret;
struct sge_eth_txq *txq = (struct sge_eth_txq *)
@ -426,8 +419,7 @@ static int cxgbe_dev_tx_queue_start(struct rte_eth_dev *eth_dev,
return ret;
}
static int cxgbe_dev_tx_queue_stop(struct rte_eth_dev *eth_dev,
uint16_t tx_queue_id)
int cxgbe_dev_tx_queue_stop(struct rte_eth_dev *eth_dev, uint16_t tx_queue_id)
{
int ret;
struct sge_eth_txq *txq = (struct sge_eth_txq *)
@ -442,10 +434,10 @@ static int cxgbe_dev_tx_queue_stop(struct rte_eth_dev *eth_dev,
return ret;
}
static int cxgbe_dev_tx_queue_setup(struct rte_eth_dev *eth_dev,
uint16_t queue_idx, uint16_t nb_desc,
unsigned int socket_id,
const struct rte_eth_txconf *tx_conf)
int cxgbe_dev_tx_queue_setup(struct rte_eth_dev *eth_dev,
uint16_t queue_idx, uint16_t nb_desc,
unsigned int socket_id,
const struct rte_eth_txconf *tx_conf)
{
struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
struct adapter *adapter = pi->adapter;
@ -496,7 +488,7 @@ static int cxgbe_dev_tx_queue_setup(struct rte_eth_dev *eth_dev,
return err;
}
static void cxgbe_dev_tx_queue_release(void *q)
void cxgbe_dev_tx_queue_release(void *q)
{
struct sge_eth_txq *txq = (struct sge_eth_txq *)q;
@ -512,8 +504,7 @@ static void cxgbe_dev_tx_queue_release(void *q)
}
}
static int cxgbe_dev_rx_queue_start(struct rte_eth_dev *eth_dev,
uint16_t rx_queue_id)
int cxgbe_dev_rx_queue_start(struct rte_eth_dev *eth_dev, uint16_t rx_queue_id)
{
int ret;
struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
@ -532,8 +523,7 @@ static int cxgbe_dev_rx_queue_start(struct rte_eth_dev *eth_dev,
return ret;
}
static int cxgbe_dev_rx_queue_stop(struct rte_eth_dev *eth_dev,
uint16_t rx_queue_id)
int cxgbe_dev_rx_queue_stop(struct rte_eth_dev *eth_dev, uint16_t rx_queue_id)
{
int ret;
struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
@ -551,11 +541,11 @@ static int cxgbe_dev_rx_queue_stop(struct rte_eth_dev *eth_dev,
return ret;
}
static int cxgbe_dev_rx_queue_setup(struct rte_eth_dev *eth_dev,
uint16_t queue_idx, uint16_t nb_desc,
unsigned int socket_id,
const struct rte_eth_rxconf *rx_conf,
struct rte_mempool *mp)
int cxgbe_dev_rx_queue_setup(struct rte_eth_dev *eth_dev,
uint16_t queue_idx, uint16_t nb_desc,
unsigned int socket_id,
const struct rte_eth_rxconf *rx_conf,
struct rte_mempool *mp)
{
struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
struct adapter *adapter = pi->adapter;
@ -629,7 +619,7 @@ static int cxgbe_dev_rx_queue_setup(struct rte_eth_dev *eth_dev,
return err;
}
static void cxgbe_dev_rx_queue_release(void *q)
void cxgbe_dev_rx_queue_release(void *q)
{
struct sge_eth_rxq *rxq = (struct sge_eth_rxq *)q;
struct sge_rspq *rq = &rxq->rspq;
@ -775,7 +765,7 @@ static int cxgbe_flow_ctrl_set(struct rte_eth_dev *eth_dev,
&pi->link_cfg);
}
static const uint32_t *
const uint32_t *
cxgbe_dev_supported_ptypes_get(struct rte_eth_dev *eth_dev)
{
static const uint32_t ptypes[] = {

38
drivers/net/cxgbe/cxgbe_pfvf.h Normal file
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@ -0,0 +1,38 @@
/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2018 Chelsio Communications.
* All rights reserved.
*/
#ifndef _CXGBE_PFVF_H_
#define _CXGBE_PFVF_H_
void cxgbe_dev_rx_queue_release(void *q);
void cxgbe_dev_tx_queue_release(void *q);
void cxgbe_dev_stop(struct rte_eth_dev *eth_dev);
void cxgbe_dev_close(struct rte_eth_dev *eth_dev);
void cxgbe_dev_info_get(struct rte_eth_dev *eth_dev,
struct rte_eth_dev_info *device_info);
void cxgbe_dev_promiscuous_enable(struct rte_eth_dev *eth_dev);
void cxgbe_dev_promiscuous_disable(struct rte_eth_dev *eth_dev);
void cxgbe_dev_allmulticast_enable(struct rte_eth_dev *eth_dev);
void cxgbe_dev_allmulticast_disable(struct rte_eth_dev *eth_dev);
int cxgbe_dev_configure(struct rte_eth_dev *eth_dev);
int cxgbe_dev_tx_queue_setup(struct rte_eth_dev *eth_dev, uint16_t queue_idx,
uint16_t nb_desc, unsigned int socket_id,
const struct rte_eth_txconf *tx_conf);
int cxgbe_dev_rx_queue_setup(struct rte_eth_dev *eth_dev, uint16_t queue_idx,
uint16_t nb_desc, unsigned int socket_id,
const struct rte_eth_rxconf *rx_conf,
struct rte_mempool *mp);
int cxgbe_dev_tx_queue_start(struct rte_eth_dev *eth_dev,
uint16_t tx_queue_id);
int cxgbe_dev_rx_queue_start(struct rte_eth_dev *eth_dev,
uint16_t tx_queue_id);
int cxgbe_dev_tx_queue_stop(struct rte_eth_dev *eth_dev, uint16_t tx_queue_id);
int cxgbe_dev_rx_queue_stop(struct rte_eth_dev *eth_dev, uint16_t rx_queue_id);
int cxgbe_dev_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu);
int cxgbe_dev_start(struct rte_eth_dev *eth_dev);
int cxgbe_dev_link_update(struct rte_eth_dev *eth_dev,
int wait_to_complete);
const uint32_t *cxgbe_dev_supported_ptypes_get(struct rte_eth_dev *eth_dev);
#endif /* _CXGBE_PFVF_H_ */

91
drivers/net/cxgbe/cxgbevf_ethdev.c Normal file
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@ -0,0 +1,91 @@
/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2018 Chelsio Communications.
* All rights reserved.
*/
#include <rte_ethdev_driver.h>
#include <rte_ethdev_pci.h>
#include "cxgbe.h"
#include "cxgbe_pfvf.h"
/*
* Macros needed to support the PCI Device ID Table ...
*/
#define CH_PCI_DEVICE_ID_TABLE_DEFINE_BEGIN \
static const struct rte_pci_id cxgb4vf_pci_tbl[] = {
#define CH_PCI_DEVICE_ID_FUNCTION 0x8
#define PCI_VENDOR_ID_CHELSIO 0x1425
#define CH_PCI_ID_TABLE_ENTRY(devid) \
{ RTE_PCI_DEVICE(PCI_VENDOR_ID_CHELSIO, (devid)) }
#define CH_PCI_DEVICE_ID_TABLE_DEFINE_END \
{ .vendor_id = 0, } \
}
/*
*... and the PCI ID Table itself ...
*/
#include "t4_pci_id_tbl.h"
static const struct eth_dev_ops cxgbevf_eth_dev_ops = {
.dev_start = cxgbe_dev_start,
.dev_stop = cxgbe_dev_stop,
.dev_close = cxgbe_dev_close,
.promiscuous_enable = cxgbe_dev_promiscuous_enable,
.promiscuous_disable = cxgbe_dev_promiscuous_disable,
.allmulticast_enable = cxgbe_dev_allmulticast_enable,
.allmulticast_disable = cxgbe_dev_allmulticast_disable,
.dev_configure = cxgbe_dev_configure,
.dev_infos_get = cxgbe_dev_info_get,
.dev_supported_ptypes_get = cxgbe_dev_supported_ptypes_get,
.link_update = cxgbe_dev_link_update,
.mtu_set = cxgbe_dev_mtu_set,
.tx_queue_setup = cxgbe_dev_tx_queue_setup,
.tx_queue_start = cxgbe_dev_tx_queue_start,
.tx_queue_stop = cxgbe_dev_tx_queue_stop,
.tx_queue_release = cxgbe_dev_tx_queue_release,
.rx_queue_setup = cxgbe_dev_rx_queue_setup,
.rx_queue_start = cxgbe_dev_rx_queue_start,
.rx_queue_stop = cxgbe_dev_rx_queue_stop,
.rx_queue_release = cxgbe_dev_rx_queue_release,
};
/*
* Initialize driver
* It returns 0 on success.
*/
static int eth_cxgbevf_dev_init(struct rte_eth_dev *eth_dev)
{
CXGBE_FUNC_TRACE();
eth_dev->dev_ops = &cxgbevf_eth_dev_ops;
/* XXX: Do probe */
return -EIO;
}
static int eth_cxgbevf_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
struct rte_pci_device *pci_dev)
{
return rte_eth_dev_pci_generic_probe(pci_dev, sizeof(struct port_info),
eth_cxgbevf_dev_init);
}
static int eth_cxgbevf_pci_remove(struct rte_pci_device *pci_dev)
{
return rte_eth_dev_pci_generic_remove(pci_dev, NULL);
}
static struct rte_pci_driver rte_cxgbevf_pmd = {
.id_table = cxgb4vf_pci_tbl,
.drv_flags = RTE_PCI_DRV_NEED_MAPPING,
.probe = eth_cxgbevf_pci_probe,
.remove = eth_cxgbevf_pci_remove,
};
RTE_PMD_REGISTER_PCI(net_cxgbevf, rte_cxgbevf_pmd);
RTE_PMD_REGISTER_PCI_TABLE(net_cxgbevf, cxgb4vf_pci_tbl);
RTE_PMD_REGISTER_KMOD_DEP(net_cxgbevf, "* igb_uio | vfio-pci");