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From: Shreyansh Jain <shreyansh.jain@nxp.com>
To: "dev@dpdk.org" <dev@dpdk.org>
CC: "ferruh.yigit@intel.com" <ferruh.yigit@intel.com>, Nipun Gupta
<nipun.gupta@nxp.com>
Thread-Topic: [PATCH v2 15/20] net/dpaa2: add dpdmux initialization and
configuration
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Date: Fri, 11 Jan 2019 11:58:40 +0000
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Subject: [dpdk-dev] [PATCH v2 15/20] net/dpaa2: add dpdmux initialization
and configuration
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From: Nipun Gupta <nipun.gupta@nxp.com>
This patch introduces an rte pmd API to configure dpdmux from
the application.
dpdmux can work in association with dpni as an additional
distribution capability on the NIC.
Signed-off-by: Nipun Gupta <nipun.gupta@nxp.com>
---
drivers/net/dpaa2/Makefile | 1 +
drivers/net/dpaa2/dpaa2_ethdev.h | 2 +
drivers/net/dpaa2/dpaa2_mux.c | 222 ++++++++++++++++++++
drivers/net/dpaa2/meson.build | 1 +
drivers/net/dpaa2/rte_pmd_dpaa2.h | 23 ++
drivers/net/dpaa2/rte_pmd_dpaa2_version.map | 1 +
6 files changed, 250 insertions(+)
create mode 100644 drivers/net/dpaa2/dpaa2_mux.c
diff --git a/drivers/net/dpaa2/Makefile b/drivers/net/dpaa2/Makefile
index c58a39725..562551175 100644
--- a/drivers/net/dpaa2/Makefile
+++ b/drivers/net/dpaa2/Makefile
@@ -33,6 +33,7 @@ CFLAGS +=3D -DALLOW_EXPERIMENTAL_API
SRCS-$(CONFIG_RTE_LIBRTE_DPAA2_PMD) +=3D base/dpaa2_hw_dpni.c
SRCS-$(CONFIG_RTE_LIBRTE_DPAA2_PMD) +=3D dpaa2_rxtx.c
SRCS-$(CONFIG_RTE_LIBRTE_DPAA2_PMD) +=3D dpaa2_ethdev.c
+SRCS-$(CONFIG_RTE_LIBRTE_DPAA2_PMD) +=3D dpaa2_mux.c
SRCS-$(CONFIG_RTE_LIBRTE_DPAA2_PMD) +=3D mc/dpni.c
SRCS-$(CONFIG_RTE_LIBRTE_DPAA2_PMD) +=3D mc/dpkg.c
SRCS-$(CONFIG_RTE_LIBRTE_DPAA2_PMD) +=3D mc/dpdmux.c
diff --git a/drivers/net/dpaa2/dpaa2_ethdev.h b/drivers/net/dpaa2/dpaa2_eth=
dev.h
index 7cf6e4191..420ad6446 100644
--- a/drivers/net/dpaa2/dpaa2_ethdev.h
+++ b/drivers/net/dpaa2/dpaa2_ethdev.h
@@ -11,6 +11,8 @@
#include <rte_event_eth_rx_adapter.h>
#include <rte_pmd_dpaa2.h>
=20
+#include <dpaa2_hw_pvt.h>
+
#include <mc/fsl_dpni.h>
#include <mc/fsl_mc_sys.h>
=20
diff --git a/drivers/net/dpaa2/dpaa2_mux.c b/drivers/net/dpaa2/dpaa2_mux.c
new file mode 100644
index 000000000..1d043dcdc
--- /dev/null
+++ b/drivers/net/dpaa2/dpaa2_mux.c
@@ -0,0 +1,222 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2018 NXP
+ */
+
+#include <sys/queue.h>
+#include <stdio.h>
+#include <errno.h>
+#include <stdint.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdarg.h>
+
+#include <rte_ethdev.h>
+#include <rte_log.h>
+#include <rte_eth_ctrl.h>
+#include <rte_malloc.h>
+#include <rte_flow_driver.h>
+#include <rte_tailq.h>
+
+#include <rte_fslmc.h>
+#include <fsl_dpdmux.h>
+#include <fsl_dpkg.h>
+
+#include <dpaa2_ethdev.h>
+#include <dpaa2_pmd_logs.h>
+
+struct dpaa2_dpdmux_dev {
+ TAILQ_ENTRY(dpaa2_dpdmux_dev) next;
+ /**< Pointer to Next device instance */
+ struct fsl_mc_io dpdmux; /** handle to DPDMUX portal object */
+ uint16_t token;
+ uint32_t dpdmux_id; /*HW ID for DPDMUX object */
+ uint8_t num_ifs; /* Number of interfaces in DPDMUX */
+};
+
+struct rte_flow {
+ struct dpdmux_rule_cfg rule;
+};
+
+TAILQ_HEAD(dpdmux_dev_list, dpaa2_dpdmux_dev);
+static struct dpdmux_dev_list dpdmux_dev_list =3D
+ TAILQ_HEAD_INITIALIZER(dpdmux_dev_list); /*!< DPDMUX device list */
+
+static struct dpaa2_dpdmux_dev *get_dpdmux_from_id(uint32_t dpdmux_id)
+{
+ struct dpaa2_dpdmux_dev *dpdmux_dev =3D NULL;
+
+ /* Get DPBP dev handle from list using index */
+ TAILQ_FOREACH(dpdmux_dev, &dpdmux_dev_list, next) {
+ if (dpdmux_dev->dpdmux_id =3D=3D dpdmux_id)
+ break;
+ }
+
+ return dpdmux_dev;
+}
+
+struct rte_flow *
+rte_pmd_dpaa2_mux_flow_create(uint32_t dpdmux_id,
+ struct rte_flow_item *pattern[],
+ struct rte_flow_action *actions[])
+{
+ struct dpaa2_dpdmux_dev *dpdmux_dev;
+ struct dpkg_profile_cfg kg_cfg;
+ const struct rte_flow_item_ipv4 *spec;
+ const struct rte_flow_action_vf *vf_conf;
+ struct dpdmux_cls_action dpdmux_action;
+ struct rte_flow *flow =3D NULL;
+ void *key_iova, *mask_iova, *key_cfg_iova =3D NULL;
+ int ret;
+
+ if (pattern[0]->type !=3D RTE_FLOW_ITEM_TYPE_IPV4) {
+ DPAA2_PMD_ERR("Not supported pattern type: %d",
+ pattern[0]->type);
+ return NULL;
+ }
+
+ /* Find the DPDMUX from dpdmux_id in our list */
+ dpdmux_dev =3D get_dpdmux_from_id(dpdmux_id);
+ if (!dpdmux_dev) {
+ DPAA2_PMD_ERR("Invalid dpdmux_id: %d", dpdmux_id);
+ return NULL;
+ }
+
+ key_cfg_iova =3D rte_zmalloc(NULL, DIST_PARAM_IOVA_SIZE,
+ RTE_CACHE_LINE_SIZE);
+ if (!key_cfg_iova) {
+ DPAA2_PMD_ERR("Unable to allocate flow-dist parameters");
+ return NULL;
+ }
+
+ /* Currently taking only IP protocol as an extract type.
+ * This can be exended to other fields using pattern->type.
+ */
+ memset(&kg_cfg, 0, sizeof(struct dpkg_profile_cfg));
+ kg_cfg.extracts[0].extract.from_hdr.prot =3D NET_PROT_IP;
+ kg_cfg.extracts[0].extract.from_hdr.field =3D NH_FLD_IP_PROTO;
+ kg_cfg.extracts[0].type =3D DPKG_EXTRACT_FROM_HDR;
+ kg_cfg.extracts[0].extract.from_hdr.type =3D DPKG_FULL_FIELD;
+ kg_cfg.num_extracts =3D 1;
+
+ ret =3D dpkg_prepare_key_cfg(&kg_cfg, key_cfg_iova);
+ if (ret) {
+ DPAA2_PMD_ERR("dpkg_prepare_key_cfg failed: err(%d)", ret);
+ goto creation_error;
+ }
+
+ ret =3D dpdmux_set_custom_key(&dpdmux_dev->dpdmux, CMD_PRI_LOW,
+ dpdmux_dev->token,
+ (uint64_t)(DPAA2_VADDR_TO_IOVA(key_cfg_iova)));
+ if (ret) {
+ DPAA2_PMD_ERR("dpdmux_set_custom_key failed: err(%d)", ret);
+ goto creation_error;
+ }
+
+ /* As now our key extract parameters are set, let us configure
+ * the rule.
+ */
+ flow =3D rte_zmalloc(NULL, sizeof(struct rte_flow) +
+ (2 * DIST_PARAM_IOVA_SIZE), RTE_CACHE_LINE_SIZE);
+ if (!flow) {
+ DPAA2_PMD_ERR(
+ "Memory allocation failure for rule configration\n");
+ goto creation_error;
+ }
+ key_iova =3D (void *)((size_t)flow + sizeof(struct rte_flow));
+ mask_iova =3D (void *)((size_t)key_iova + DIST_PARAM_IOVA_SIZE);
+
+ spec =3D (const struct rte_flow_item_ipv4 *)pattern[0]->spec;
+ memcpy(key_iova, (const void *)&spec->hdr.next_proto_id,
+ sizeof(uint8_t));
+ memcpy(mask_iova, pattern[0]->mask, sizeof(uint8_t));
+
+ flow->rule.key_iova =3D (uint64_t)(DPAA2_VADDR_TO_IOVA(key_iova));
+ flow->rule.mask_iova =3D (uint64_t)(DPAA2_VADDR_TO_IOVA(mask_iova));
+ flow->rule.key_size =3D sizeof(uint8_t);
+
+ vf_conf =3D (const struct rte_flow_action_vf *)(actions[0]->conf);
+ if (vf_conf->id =3D=3D 0 || vf_conf->id > dpdmux_dev->num_ifs) {
+ DPAA2_PMD_ERR("Invalid destination id\n");
+ goto creation_error;
+ }
+ dpdmux_action.dest_if =3D vf_conf->id;
+
+ ret =3D dpdmux_add_custom_cls_entry(&dpdmux_dev->dpdmux, CMD_PRI_LOW,
+ dpdmux_dev->token, &flow->rule,
+ &dpdmux_action);
+ if (ret) {
+ DPAA2_PMD_ERR("dpdmux_add_custom_cls_entry failed: err(%d)",
+ ret);
+ goto creation_error;
+ }
+
+ return flow;
+
+creation_error:
+ rte_free((void *)key_cfg_iova);
+ rte_free((void *)flow);
+ return NULL;
+}
+
+static int
+dpaa2_create_dpdmux_device(int vdev_fd __rte_unused,
+ struct vfio_device_info *obj_info __rte_unused,
+ int dpdmux_id)
+{
+ struct dpaa2_dpdmux_dev *dpdmux_dev;
+ struct dpdmux_attr attr;
+ int ret;
+
+ PMD_INIT_FUNC_TRACE();
+
+ /* Allocate DPAA2 dpdmux handle */
+ dpdmux_dev =3D rte_malloc(NULL, sizeof(struct dpaa2_dpdmux_dev), 0);
+ if (!dpdmux_dev) {
+ DPAA2_PMD_ERR("Memory allocation failed for DPDMUX Device");
+ return -1;
+ }
+
+ /* Open the dpdmux object */
+ dpdmux_dev->dpdmux.regs =3D rte_mcp_ptr_list[MC_PORTAL_INDEX];
+ ret =3D dpdmux_open(&dpdmux_dev->dpdmux, CMD_PRI_LOW, dpdmux_id,
+ &dpdmux_dev->token);
+ if (ret) {
+ DPAA2_PMD_ERR("Unable to open dpdmux object: err(%d)", ret);
+ goto init_err;
+ }
+
+ ret =3D dpdmux_get_attributes(&dpdmux_dev->dpdmux, CMD_PRI_LOW,
+ dpdmux_dev->token, &attr);
+ if (ret) {
+ DPAA2_PMD_ERR("Unable to get dpdmux attr: err(%d)", ret);
+ goto init_err;
+ }
+
+ ret =3D dpdmux_if_set_default(&dpdmux_dev->dpdmux, CMD_PRI_LOW,
+ dpdmux_dev->token, 1);
+ if (ret) {
+ DPAA2_PMD_ERR("setting default interface failed in %s",
+ __func__);
+ goto init_err;
+ }
+
+ dpdmux_dev->dpdmux_id =3D dpdmux_id;
+ dpdmux_dev->num_ifs =3D attr.num_ifs;
+
+ TAILQ_INSERT_TAIL(&dpdmux_dev_list, dpdmux_dev, next);
+
+ return 0;
+
+init_err:
+ if (dpdmux_dev)
+ rte_free(dpdmux_dev);
+
+ return -1;
+}
+
+static struct rte_dpaa2_object rte_dpaa2_dpdmux_obj =3D {
+ .dev_type =3D DPAA2_MUX,
+ .create =3D dpaa2_create_dpdmux_device,
+};
+
+RTE_PMD_REGISTER_DPAA2_OBJECT(dpdmux, rte_dpaa2_dpdmux_obj);
diff --git a/drivers/net/dpaa2/meson.build b/drivers/net/dpaa2/meson.build
index c7c2df417..801cbf5d7 100644
--- a/drivers/net/dpaa2/meson.build
+++ b/drivers/net/dpaa2/meson.build
@@ -9,6 +9,7 @@ endif
=20
deps +=3D ['mempool_dpaa2']
sources =3D files('base/dpaa2_hw_dpni.c',
+ 'dpaa2_mux.c',
'dpaa2_ethdev.c',
'dpaa2_rxtx.c',
'mc/dpkg.c',
diff --git a/drivers/net/dpaa2/rte_pmd_dpaa2.h b/drivers/net/dpaa2/rte_pmd_=
dpaa2.h
index f9303acad..57de27f21 100644
--- a/drivers/net/dpaa2/rte_pmd_dpaa2.h
+++ b/drivers/net/dpaa2/rte_pmd_dpaa2.h
@@ -36,4 +36,27 @@ enum pmd_dpaa2_ts {
__rte_experimental
void rte_pmd_dpaa2_set_timestamp(enum pmd_dpaa2_ts);
=20
+/**
+ * @warning
+ * @b EXPERIMENTAL: this API may change, or be removed, without prior noti=
ce
+ *
+ * Create a flow rule to demultiplex ethernet traffic to separate network
+ * interfaces.
+ *
+ * @param dpdmux_id
+ * ID of the DPDMUX MC object.
+ * @param[in] pattern
+ * Pattern specification.
+ * @param[in] actions
+ * Associated actions.
+ *
+ * @return
+ * A valid handle in case of success, NULL otherwise.
+ */
+__rte_experimental
+struct rte_flow *
+rte_pmd_dpaa2_mux_flow_create(uint32_t dpdmux_id,
+ struct rte_flow_item *pattern[],
+ struct rte_flow_action *actions[]);
+
#endif /* _RTE_PMD_DPAA2_H */
diff --git a/drivers/net/dpaa2/rte_pmd_dpaa2_version.map b/drivers/net/dpaa=
2/rte_pmd_dpaa2_version.map
index de95a03cd..1661c5fb5 100644
--- a/drivers/net/dpaa2/rte_pmd_dpaa2_version.map
+++ b/drivers/net/dpaa2/rte_pmd_dpaa2_version.map
@@ -14,5 +14,6 @@ DPDK_17.11 {
EXPERIMENTAL {
global:
=20
+ rte_pmd_dpaa2_mux_flow_create;
rte_pmd_dpaa2_set_timestamp;
} DPDK_17.11;
--=20
2.17.1