[dpdk-dev] [PATCH 5/8] net/octeontx: add VLAN filter offload support
Harman Kalra
hkalra at marvell.com
Mon Apr 6 12:09:02 CEST 2020
On Mon, Mar 16, 2020 at 03:03:41PM +0530, Harman Kalra wrote:
> From: Vamsi Attunuru <vattunuru at marvell.com>
>
> Patch adds support for vlan filter offload support.
> MBOX messages for vlan filter on/off and vlan filter
> entry add/rm are added to configure PCAM entries to
> filter out the vlan traffic on a given port.
>
> Patch also defines rx_offload_flag for vlan filtering.
>
> Signed-off-by: Vamsi Attunuru <vattunuru at marvell.com>
Acked-by: Harman Kalra <hkalra at marvell.com>
> ---
> doc/guides/nics/features/octeontx.ini | 2 +
> doc/guides/nics/octeontx.rst | 1 +
> drivers/net/octeontx/Makefile | 1 +
> drivers/net/octeontx/base/octeontx_pkivf.c | 40 +++++
> drivers/net/octeontx/base/octeontx_pkivf.h | 20 +++
> drivers/net/octeontx/meson.build | 3 +-
> drivers/net/octeontx/octeontx_ethdev.c | 10 ++
> drivers/net/octeontx/octeontx_ethdev.h | 24 ++-
> drivers/net/octeontx/octeontx_ethdev_ops.c | 184 +++++++++++++++++++++
> drivers/net/octeontx/octeontx_rxtx.h | 1 +
> 10 files changed, 284 insertions(+), 2 deletions(-)
> create mode 100644 drivers/net/octeontx/octeontx_ethdev_ops.c
>
> diff --git a/doc/guides/nics/features/octeontx.ini b/doc/guides/nics/features/octeontx.ini
> index e3ee79f0f..53c541f4b 100644
> --- a/doc/guides/nics/features/octeontx.ini
> +++ b/doc/guides/nics/features/octeontx.ini
> @@ -13,6 +13,8 @@ Jumbo frame = Y
> Scattered Rx = Y
> Promiscuous mode = Y
> Unicast MAC filter = Y
> +VLAN filter = Y
> +VLAN offload = P
> CRC offload = Y
> Packet type parsing = Y
> Basic stats = Y
> diff --git a/doc/guides/nics/octeontx.rst b/doc/guides/nics/octeontx.rst
> index ddb626bc3..c8655bf37 100644
> --- a/doc/guides/nics/octeontx.rst
> +++ b/doc/guides/nics/octeontx.rst
> @@ -22,6 +22,7 @@ Features of the OCTEON TX Ethdev PMD are:
> - Jumbo frames
> - Scatter-Gather IO support
> - Link state information
> +- MAC/VLAN filtering
> - MTU update
> - SR-IOV VF
> - Multiple queues for TX
> diff --git a/drivers/net/octeontx/Makefile b/drivers/net/octeontx/Makefile
> index 8ddfc3089..694f403f1 100644
> --- a/drivers/net/octeontx/Makefile
> +++ b/drivers/net/octeontx/Makefile
> @@ -28,6 +28,7 @@ SRCS-$(CONFIG_RTE_LIBRTE_OCTEONTX_PMD) += octeontx_pkovf.c
> SRCS-$(CONFIG_RTE_LIBRTE_OCTEONTX_PMD) += octeontx_pkivf.c
> SRCS-$(CONFIG_RTE_LIBRTE_OCTEONTX_PMD) += octeontx_bgx.c
> SRCS-$(CONFIG_RTE_LIBRTE_OCTEONTX_PMD) += octeontx_ethdev.c
> +SRCS-$(CONFIG_RTE_LIBRTE_OCTEONTX_PMD) += octeontx_ethdev_ops.c
>
> ifeq ($(CONFIG_RTE_TOOLCHAIN_GCC),y)
> CFLAGS_octeontx_rxtx.o += -fno-prefetch-loop-arrays
> diff --git a/drivers/net/octeontx/base/octeontx_pkivf.c b/drivers/net/octeontx/base/octeontx_pkivf.c
> index 8ce041955..0ddff5488 100644
> --- a/drivers/net/octeontx/base/octeontx_pkivf.c
> +++ b/drivers/net/octeontx/base/octeontx_pkivf.c
> @@ -136,6 +136,46 @@ octeontx_pki_port_errchk_config(int port, pki_errchk_cfg_t *cfg)
> return res;
> }
>
> +int
> +octeontx_pki_port_vlan_fltr_config(int port,
> + pki_port_vlan_filter_config_t *fltr_cfg)
> +{
> + struct octeontx_mbox_hdr hdr;
> + int res;
> +
> + pki_port_vlan_filter_config_t cfg = *fltr_cfg;
> + int len = sizeof(pki_port_vlan_filter_config_t);
> +
> + hdr.coproc = OCTEONTX_PKI_COPROC;
> + hdr.msg = MBOX_PKI_PORT_VLAN_FILTER_CONFIG;
> + hdr.vfid = port;
> +
> + res = octeontx_mbox_send(&hdr, &cfg, len, NULL, 0);
> + if (res < 0)
> + return -EACCES;
> + return res;
> +}
> +
> +int
> +octeontx_pki_port_vlan_fltr_entry_config(int port,
> + pki_port_vlan_filter_entry_config_t *e_cfg)
> +{
> + struct octeontx_mbox_hdr hdr;
> + int res;
> +
> + pki_port_vlan_filter_entry_config_t cfg = *e_cfg;
> + int len = sizeof(pki_port_vlan_filter_entry_config_t);
> +
> + hdr.coproc = OCTEONTX_PKI_COPROC;
> + hdr.msg = MBOX_PKI_PORT_VLAN_FILTER_ENTRY_CONFIG;
> + hdr.vfid = port;
> +
> + res = octeontx_mbox_send(&hdr, &cfg, len, NULL, 0);
> + if (res < 0)
> + return -EACCES;
> + return res;
> +}
> +
> #define PCI_VENDOR_ID_CAVIUM 0x177D
> #define PCI_DEVICE_ID_OCTEONTX_PKI_VF 0xA0DD
>
> diff --git a/drivers/net/octeontx/base/octeontx_pkivf.h b/drivers/net/octeontx/base/octeontx_pkivf.h
> index d541dc3bd..d41eaa57e 100644
> --- a/drivers/net/octeontx/base/octeontx_pkivf.h
> +++ b/drivers/net/octeontx/base/octeontx_pkivf.h
> @@ -36,6 +36,8 @@
> #define MBOX_PKI_PORT_ALLOC_QPG 21
> #define MBOX_PKI_PORT_FREE_QPG 22
> #define MBOX_PKI_SET_PORT_CONFIG 23
> +#define MBOX_PKI_PORT_VLAN_FILTER_CONFIG 24
> +#define MBOX_PKI_PORT_VLAN_FILTER_ENTRY_CONFIG 25
>
> #define MBOX_PKI_MAX_QOS_ENTRY 64
>
> @@ -236,6 +238,20 @@ typedef struct pki_port_modify_qos_entry {
> struct pki_qos_entry qos_entry;
> } pki_mod_qos_t;
>
> +/* pki port VLAN filter config */
> +typedef struct pki_port_vlan_filter_config {
> + uint8_t port_type; /* OCTTX_PORT_TYPE_[NET/INT/PCI] */
> + uint8_t fltr_conf; /* '1' to enable & '0' to disable */
> +} pki_port_vlan_filter_config_t;
> +
> +/* pki port VLAN filter entry config */
> +typedef struct pki_port_vlan_filter_entry_config {
> + uint8_t port_type; /* OCTTX_PORT_TYPE_[NET/INT/PCI] */
> + uint8_t entry_conf; /* '1' to add & '0' to remove */
> + uint16_t vlan_tpid; /* in host byte-order */
> + uint16_t vlan_id; /* in host byte-order */
> +} pki_port_vlan_filter_entry_config_t;
> +
> static inline int
> octeontx_pki_port_modify_qos(int port, pki_mod_qos_t *qos_cfg)
> {
> @@ -348,5 +364,9 @@ int octeontx_pki_port_pktbuf_config(int port, pki_pktbuf_cfg_t *buf_cfg);
> int octeontx_pki_port_create_qos(int port, pki_qos_cfg_t *qos_cfg);
> int octeontx_pki_port_close(int port);
> int octeontx_pki_port_errchk_config(int port, pki_errchk_cfg_t *cfg);
> +int octeontx_pki_port_vlan_fltr_config(int port,
> + pki_port_vlan_filter_config_t *fltr_cfg);
> +int octeontx_pki_port_vlan_fltr_entry_config(int port,
> + pki_port_vlan_filter_entry_config_t *entry_cfg);
>
> #endif /* __OCTEONTX_PKI_H__ */
> diff --git a/drivers/net/octeontx/meson.build b/drivers/net/octeontx/meson.build
> index 0e249eb98..f7ba6e68b 100644
> --- a/drivers/net/octeontx/meson.build
> +++ b/drivers/net/octeontx/meson.build
> @@ -5,7 +5,8 @@ subdir('base')
> objs = [base_objs]
>
> sources = files('octeontx_rxtx.c',
> - 'octeontx_ethdev.c'
> + 'octeontx_ethdev.c',
> + 'octeontx_ethdev_ops.c'
> )
>
> allow_experimental_apis = true
> diff --git a/drivers/net/octeontx/octeontx_ethdev.c b/drivers/net/octeontx/octeontx_ethdev.c
> index 91b9ea645..5dd40bc04 100644
> --- a/drivers/net/octeontx/octeontx_ethdev.c
> +++ b/drivers/net/octeontx/octeontx_ethdev.c
> @@ -360,6 +360,12 @@ octeontx_dev_configure(struct rte_eth_dev *dev)
> return -EFAULT;
> }
>
> + ret = octeontx_dev_vlan_offload_init(dev);
> + if (ret) {
> + octeontx_log_err("failed to initialize vlan offload");
> + return -EFAULT;
> + }
> +
> nic->pki.classifier_enable = false;
> nic->pki.hash_enable = true;
> nic->pki.initialized = false;
> @@ -384,6 +390,8 @@ octeontx_dev_close(struct rte_eth_dev *dev)
>
> rte_event_dev_close(nic->evdev);
>
> + octeontx_dev_vlan_offload_fini(dev);
> +
> ret = octeontx_pko_channel_close(nic->base_ochan);
> if (ret < 0) {
> octeontx_log_err("failed to close channel %d VF%d %d %d",
> @@ -1185,6 +1193,8 @@ static const struct eth_dev_ops octeontx_dev_ops = {
> .mac_addr_remove = octeontx_dev_mac_addr_del,
> .mac_addr_add = octeontx_dev_mac_addr_add,
> .mac_addr_set = octeontx_dev_default_mac_addr_set,
> + .vlan_offload_set = octeontx_dev_vlan_offload_set,
> + .vlan_filter_set = octeontx_dev_vlan_filter_set,
> .tx_queue_start = octeontx_dev_tx_queue_start,
> .tx_queue_stop = octeontx_dev_tx_queue_stop,
> .tx_queue_setup = octeontx_dev_tx_queue_setup,
> diff --git a/drivers/net/octeontx/octeontx_ethdev.h b/drivers/net/octeontx/octeontx_ethdev.h
> index 27f6556dd..e7e0d40c7 100644
> --- a/drivers/net/octeontx/octeontx_ethdev.h
> +++ b/drivers/net/octeontx/octeontx_ethdev.h
> @@ -55,7 +55,8 @@
>
> #define OCTEONTX_RX_OFFLOADS (DEV_RX_OFFLOAD_CHECKSUM | \
> DEV_RX_OFFLOAD_SCATTER | \
> - DEV_RX_OFFLOAD_JUMBO_FRAME)
> + DEV_RX_OFFLOAD_JUMBO_FRAME | \
> + DEV_RX_OFFLOAD_VLAN_FILTER)
>
> #define OCTEONTX_TX_OFFLOADS (DEV_TX_OFFLOAD_MT_LOCKFREE | \
> DEV_TX_OFFLOAD_MBUF_FAST_FREE | \
> @@ -70,6 +71,18 @@ octeontx_pmd_priv(struct rte_eth_dev *dev)
> extern uint16_t
> rte_octeontx_pchan_map[OCTEONTX_MAX_BGX_PORTS][OCTEONTX_MAX_LMAC_PER_BGX];
>
> +struct vlan_entry {
> + TAILQ_ENTRY(vlan_entry) next;
> + uint16_t vlan_id;
> +};
> +
> +TAILQ_HEAD(octeontx_vlan_filter_tbl, vlan_entry);
> +
> +struct octeontx_vlan_info {
> + struct octeontx_vlan_filter_tbl fltr_tbl;
> + uint8_t filter_on;
> +};
> +
> /* Octeontx ethdev nic */
> struct octeontx_nic {
> struct rte_eth_dev *dev;
> @@ -107,6 +120,7 @@ struct octeontx_nic {
> uint16_t rx_offload_flags;
> uint64_t tx_offloads;
> uint16_t tx_offload_flags;
> + struct octeontx_vlan_info vlan_info;
> } __rte_cache_aligned;
>
> struct octeontx_txq {
> @@ -127,4 +141,12 @@ struct octeontx_rxq {
>
> void
> octeontx_set_tx_function(struct rte_eth_dev *dev);
> +
> +/* VLAN */
> +int octeontx_dev_vlan_offload_init(struct rte_eth_dev *dev);
> +int octeontx_dev_vlan_offload_fini(struct rte_eth_dev *eth_dev);
> +int octeontx_dev_vlan_offload_set(struct rte_eth_dev *dev, int mask);
> +int octeontx_dev_vlan_filter_set(struct rte_eth_dev *dev,
> + uint16_t vlan_id, int on);
> +
> #endif /* __OCTEONTX_ETHDEV_H__ */
> diff --git a/drivers/net/octeontx/octeontx_ethdev_ops.c b/drivers/net/octeontx/octeontx_ethdev_ops.c
> new file mode 100644
> index 000000000..8c3065542
> --- /dev/null
> +++ b/drivers/net/octeontx/octeontx_ethdev_ops.c
> @@ -0,0 +1,184 @@
> +/* SPDX-License-Identifier: BSD-3-Clause
> + * Copyright(C) 2020 Marvell International Ltd.
> + */
> +
> +#include <rte_malloc.h>
> +
> +#include "octeontx_ethdev.h"
> +#include "octeontx_logs.h"
> +#include "octeontx_rxtx.h"
> +
> +static int
> +octeontx_vlan_hw_filter(struct octeontx_nic *nic, uint8_t flag)
> +{
> + struct octeontx_vlan_info *vlan = &nic->vlan_info;
> + pki_port_vlan_filter_config_t fltr_conf;
> + int rc = 0;
> +
> + if (vlan->filter_on == flag)
> + return rc;
> +
> + fltr_conf.port_type = OCTTX_PORT_TYPE_NET;
> + fltr_conf.fltr_conf = flag;
> +
> + rc = octeontx_pki_port_vlan_fltr_config(nic->port_id, &fltr_conf);
> + if (rc != 0) {
> + octeontx_log_err("Fail to configure vlan hw filter for port %d",
> + nic->port_id);
> + goto done;
> + }
> +
> + vlan->filter_on = flag;
> +
> +done:
> + return rc;
> +}
> +
> +int
> +octeontx_dev_vlan_offload_set(struct rte_eth_dev *dev, int mask)
> +{
> + struct octeontx_nic *nic = octeontx_pmd_priv(dev);
> + struct rte_eth_rxmode *rxmode;
> + int rc = 0;
> +
> + rxmode = &dev->data->dev_conf.rxmode;
> +
> + if (mask & ETH_VLAN_EXTEND_MASK) {
> + octeontx_log_err("Extend offload not supported");
> + return -ENOTSUP;
> + }
> +
> + if (mask & ETH_VLAN_STRIP_MASK) {
> + octeontx_log_err("VLAN strip offload not supported");
> + return -ENOTSUP;
> + }
> +
> + if (mask & ETH_VLAN_FILTER_MASK) {
> + if (rxmode->offloads & DEV_RX_OFFLOAD_VLAN_FILTER) {
> + rc = octeontx_vlan_hw_filter(nic, true);
> + if (rc)
> + goto done;
> +
> + nic->rx_offloads |= DEV_RX_OFFLOAD_VLAN_FILTER;
> + nic->rx_offload_flags |= OCCTX_RX_VLAN_FLTR_F;
> + } else {
> + rc = octeontx_vlan_hw_filter(nic, false);
> + if (rc)
> + goto done;
> +
> + nic->rx_offloads &= ~DEV_RX_OFFLOAD_VLAN_FILTER;
> + nic->rx_offload_flags &= ~OCCTX_RX_VLAN_FLTR_F;
> + }
> + }
> +
> +done:
> + return rc;
> +}
> +
> +int
> +octeontx_dev_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
> +{
> + struct octeontx_nic *nic = octeontx_pmd_priv(dev);
> + struct octeontx_vlan_info *vlan = &nic->vlan_info;
> + pki_port_vlan_filter_entry_config_t fltr_entry;
> + struct vlan_entry *entry = NULL;
> + int entry_count = 0;
> + int rc = -EINVAL;
> +
> + if (on) {
> + TAILQ_FOREACH(entry, &vlan->fltr_tbl, next)
> + if (entry->vlan_id == vlan_id) {
> + octeontx_log_dbg("Vlan Id is already set");
> + return 0;
> + }
> + } else {
> + TAILQ_FOREACH(entry, &vlan->fltr_tbl, next)
> + entry_count++;
> +
> + if (!entry_count)
> + return 0;
> + }
> +
> + fltr_entry.port_type = OCTTX_PORT_TYPE_NET;
> + fltr_entry.vlan_tpid = RTE_ETHER_TYPE_VLAN;
> + fltr_entry.vlan_id = vlan_id;
> + fltr_entry.entry_conf = on;
> +
> + if (on) {
> + entry = rte_zmalloc("octeontx_nic_vlan_entry",
> + sizeof(struct vlan_entry), 0);
> + if (!entry) {
> + octeontx_log_err("Failed to allocate memory");
> + return -ENOMEM;
> + }
> + }
> +
> + rc = octeontx_pki_port_vlan_fltr_entry_config(nic->port_id,
> + &fltr_entry);
> + if (rc != 0) {
> + octeontx_log_err("Fail to configure vlan filter entry "
> + "for port %d", nic->port_id);
> + if (entry)
> + rte_free(entry);
> +
> + goto done;
> + }
> +
> + if (on) {
> + entry->vlan_id = vlan_id;
> + TAILQ_INSERT_HEAD(&vlan->fltr_tbl, entry, next);
> + } else {
> + TAILQ_FOREACH(entry, &vlan->fltr_tbl, next) {
> + if (entry->vlan_id == vlan_id) {
> + TAILQ_REMOVE(&vlan->fltr_tbl, entry, next);
> + rte_free(entry);
> + break;
> + }
> + }
> + }
> +
> +done:
> + return rc;
> +}
> +
> +int
> +octeontx_dev_vlan_offload_init(struct rte_eth_dev *dev)
> +{
> + struct octeontx_nic *nic = octeontx_pmd_priv(dev);
> + int rc;
> +
> + TAILQ_INIT(&nic->vlan_info.fltr_tbl);
> +
> + rc = octeontx_dev_vlan_offload_set(dev, ETH_VLAN_FILTER_MASK);
> + if (rc)
> + octeontx_log_err("Failed to set vlan offload rc=%d", rc);
> +
> + return rc;
> +}
> +
> +int
> +octeontx_dev_vlan_offload_fini(struct rte_eth_dev *dev)
> +{
> + struct octeontx_nic *nic = octeontx_pmd_priv(dev);
> + struct octeontx_vlan_info *vlan = &nic->vlan_info;
> + pki_port_vlan_filter_entry_config_t fltr_entry;
> + struct vlan_entry *entry;
> + int rc = 0;
> +
> + TAILQ_FOREACH(entry, &vlan->fltr_tbl, next) {
> + fltr_entry.port_type = OCTTX_PORT_TYPE_NET;
> + fltr_entry.vlan_tpid = RTE_ETHER_TYPE_VLAN;
> + fltr_entry.vlan_id = entry->vlan_id;
> + fltr_entry.entry_conf = 0;
> +
> + rc = octeontx_pki_port_vlan_fltr_entry_config(nic->port_id,
> + &fltr_entry);
> + if (rc != 0) {
> + octeontx_log_err("Fail to configure vlan filter entry "
> + "for port %d", nic->port_id);
> + break;
> + }
> + }
> +
> + return rc;
> +}
> diff --git a/drivers/net/octeontx/octeontx_rxtx.h b/drivers/net/octeontx/octeontx_rxtx.h
> index 2383a8eb6..cc044dd79 100644
> --- a/drivers/net/octeontx/octeontx_rxtx.h
> +++ b/drivers/net/octeontx/octeontx_rxtx.h
> @@ -19,6 +19,7 @@
>
> #define OCCTX_RX_OFFLOAD_NONE (0)
> #define OCCTX_RX_OFFLOAD_RSS_F BIT(0)
> +#define OCCTX_RX_VLAN_FLTR_F BIT(1)
> #define OCCTX_RX_MULTI_SEG_F BIT(15)
>
> #define OCCTX_TX_OFFLOAD_NONE (0)
> --
> 2.18.0
>
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