-/*
- * Copyright (c) 2017, Cisco Systems, Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- *
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2008-2017 Cisco Systems, Inc. All rights reserved.
*/
#include <errno.h>
+#include <stdint.h>
#include <rte_log.h>
-#include <rte_ethdev.h>
+#include <rte_ethdev_driver.h>
#include <rte_flow_driver.h>
#include <rte_ether.h>
#include <rte_ip.h>
};
/** Supported actions for newer NICs */
-static const enum rte_flow_action_type enic_supported_actions_v2[] = {
+static const enum rte_flow_action_type enic_supported_actions_v2_id[] = {
+ RTE_FLOW_ACTION_TYPE_QUEUE,
+ RTE_FLOW_ACTION_TYPE_MARK,
+ RTE_FLOW_ACTION_TYPE_FLAG,
+ RTE_FLOW_ACTION_TYPE_END,
+};
+
+static const enum rte_flow_action_type enic_supported_actions_v2_drop[] = {
RTE_FLOW_ACTION_TYPE_QUEUE,
RTE_FLOW_ACTION_TYPE_MARK,
RTE_FLOW_ACTION_TYPE_FLAG,
+ RTE_FLOW_ACTION_TYPE_DROP,
+ RTE_FLOW_ACTION_TYPE_END,
+};
+
+static const enum rte_flow_action_type enic_supported_actions_v2_count[] = {
+ RTE_FLOW_ACTION_TYPE_QUEUE,
+ RTE_FLOW_ACTION_TYPE_MARK,
+ RTE_FLOW_ACTION_TYPE_FLAG,
+ RTE_FLOW_ACTION_TYPE_DROP,
+ RTE_FLOW_ACTION_TYPE_COUNT,
RTE_FLOW_ACTION_TYPE_END,
};
.actions = enic_supported_actions_v1,
.copy_fn = enic_copy_action_v1,
},
- [FILTER_ACTION_V2_ALL] = {
- .actions = enic_supported_actions_v2,
+ [FILTER_ACTION_FILTER_ID_FLAG] = {
+ .actions = enic_supported_actions_v2_id,
+ .copy_fn = enic_copy_action_v2,
+ },
+ [FILTER_ACTION_DROP_FLAG] = {
+ .actions = enic_supported_actions_v2_drop,
+ .copy_fn = enic_copy_action_v2,
+ },
+ [FILTER_ACTION_COUNTER_FLAG] = {
+ .actions = enic_supported_actions_v2_count,
.copy_fn = enic_copy_action_v2,
},
};
if (!spec)
return 0;
- /* Don't support filtering in tpid */
- if (mask) {
- if (mask->tpid != 0)
- return ENOTSUP;
- } else {
+ if (!mask)
mask = &rte_flow_item_vlan_mask;
- RTE_ASSERT(mask->tpid == 0);
- }
if (*inner_ofst == 0) {
+ struct ether_hdr *eth_mask =
+ (void *)gp->layer[FILTER_GENERIC_1_L2].mask;
+ struct ether_hdr *eth_val =
+ (void *)gp->layer[FILTER_GENERIC_1_L2].val;
+
+ /* Outer TPID cannot be matched */
+ if (eth_mask->ether_type)
+ return ENOTSUP;
+ eth_mask->ether_type = mask->inner_type;
+ eth_val->ether_type = spec->inner_type;
+
/* Outer header. Use the vlan mask/val fields */
gp->mask_vlan = mask->tci;
gp->val_vlan = spec->tci;
enic_copy_action_v1(const struct rte_flow_action actions[],
struct filter_action_v2 *enic_action)
{
+ enum { FATE = 1, };
+ uint32_t overlap = 0;
+
FLOW_TRACE();
for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
const struct rte_flow_action_queue *queue =
(const struct rte_flow_action_queue *)
actions->conf;
+
+ if (overlap & FATE)
+ return ENOTSUP;
+ overlap |= FATE;
enic_action->rq_idx =
enic_rte_rq_idx_to_sop_idx(queue->index);
break;
break;
}
}
+ if (!(overlap & FATE))
+ return ENOTSUP;
enic_action->type = FILTER_ACTION_RQ_STEERING;
return 0;
}
enic_copy_action_v2(const struct rte_flow_action actions[],
struct filter_action_v2 *enic_action)
{
+ enum { FATE = 1, MARK = 2, };
+ uint32_t overlap = 0;
+
FLOW_TRACE();
for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
const struct rte_flow_action_queue *queue =
(const struct rte_flow_action_queue *)
actions->conf;
+
+ if (overlap & FATE)
+ return ENOTSUP;
+ overlap |= FATE;
enic_action->rq_idx =
enic_rte_rq_idx_to_sop_idx(queue->index);
enic_action->flags |= FILTER_ACTION_RQ_STEERING_FLAG;
(const struct rte_flow_action_mark *)
actions->conf;
+ if (overlap & MARK)
+ return ENOTSUP;
+ overlap |= MARK;
/* ENIC_MAGIC_FILTER_ID is reserved and is the highest
* in the range of allows mark ids.
*/
break;
}
case RTE_FLOW_ACTION_TYPE_FLAG: {
+ if (overlap & MARK)
+ return ENOTSUP;
+ overlap |= MARK;
enic_action->filter_id = ENIC_MAGIC_FILTER_ID;
enic_action->flags |= FILTER_ACTION_FILTER_ID_FLAG;
break;
}
+ case RTE_FLOW_ACTION_TYPE_DROP: {
+ if (overlap & FATE)
+ return ENOTSUP;
+ overlap |= FATE;
+ enic_action->flags |= FILTER_ACTION_DROP_FLAG;
+ break;
+ }
+ case RTE_FLOW_ACTION_TYPE_COUNT: {
+ enic_action->flags |= FILTER_ACTION_COUNTER_FLAG;
+ break;
+ }
case RTE_FLOW_ACTION_TYPE_VOID:
continue;
default:
break;
}
}
+ if (!(overlap & FATE))
+ return ENOTSUP;
enic_action->type = FILTER_ACTION_V2;
return 0;
}
static const struct enic_action_cap *
enic_get_action_cap(struct enic *enic)
{
- static const struct enic_action_cap *ea;
-
- if (enic->filter_tags)
- ea = &enic_action_cap[FILTER_ACTION_V2_ALL];
+ const struct enic_action_cap *ea;
+ uint8_t actions;
+
+ actions = enic->filter_actions;
+ if (actions & FILTER_ACTION_COUNTER_FLAG)
+ ea = &enic_action_cap[FILTER_ACTION_COUNTER_FLAG];
+ else if (actions & FILTER_ACTION_DROP_FLAG)
+ ea = &enic_action_cap[FILTER_ACTION_DROP_FLAG];
+ else if (actions & FILTER_ACTION_FILTER_ID_FLAG)
+ ea = &enic_action_cap[FILTER_ACTION_FILTER_ID_FLAG];
else
ea = &enic_action_cap[FILTER_ACTION_RQ_STEERING_FLAG];
return ea;
NULL,
"egress is not supported");
return -rte_errno;
+ } else if (attrs->transfer) {
+ rte_flow_error_set(error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ATTR_TRANSFER,
+ NULL,
+ "transfer is not supported");
+ return -rte_errno;
} else if (!attrs->ingress) {
rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ATTR_INGRESS,
struct rte_flow_error *error)
{
struct rte_flow *flow;
- int ret;
- u16 entry;
+ int err;
+ uint16_t entry;
+ int ctr_idx;
+ int last_max_flow_ctr;
FLOW_TRACE();
return NULL;
}
+ flow->counter_idx = -1;
+ last_max_flow_ctr = -1;
+ if (enic_action->flags & FILTER_ACTION_COUNTER_FLAG) {
+ if (!vnic_dev_counter_alloc(enic->vdev, (uint32_t *)&ctr_idx)) {
+ rte_flow_error_set(error, ENOMEM,
+ RTE_FLOW_ERROR_TYPE_ACTION_CONF,
+ NULL, "cannot allocate counter");
+ goto unwind_flow_alloc;
+ }
+ flow->counter_idx = ctr_idx;
+ enic_action->counter_index = ctr_idx;
+
+ /* If index is the largest, increase the counter DMA size */
+ if (ctr_idx > enic->max_flow_counter) {
+ err = vnic_dev_counter_dma_cfg(enic->vdev,
+ VNIC_FLOW_COUNTER_UPDATE_MSECS,
+ ctr_idx);
+ if (err) {
+ rte_flow_error_set(error, -err,
+ RTE_FLOW_ERROR_TYPE_ACTION_CONF,
+ NULL, "counter DMA config failed");
+ goto unwind_ctr_alloc;
+ }
+ last_max_flow_ctr = enic->max_flow_counter;
+ enic->max_flow_counter = ctr_idx;
+ }
+ }
+
/* entry[in] is the queue id, entry[out] is the filter Id for delete */
entry = enic_action->rq_idx;
- ret = vnic_dev_classifier(enic->vdev, CLSF_ADD, &entry, enic_filter,
+ err = vnic_dev_classifier(enic->vdev, CLSF_ADD, &entry, enic_filter,
enic_action);
- if (!ret) {
- flow->enic_filter_id = entry;
- flow->enic_filter = *enic_filter;
- } else {
- rte_flow_error_set(error, ret, RTE_FLOW_ERROR_TYPE_HANDLE,
+ if (err) {
+ rte_flow_error_set(error, -err, RTE_FLOW_ERROR_TYPE_HANDLE,
NULL, "vnic_dev_classifier error");
- rte_free(flow);
- return NULL;
+ goto unwind_ctr_dma_cfg;
}
+
+ flow->enic_filter_id = entry;
+ flow->enic_filter = *enic_filter;
+
return flow;
+
+/* unwind if there are errors */
+unwind_ctr_dma_cfg:
+ if (last_max_flow_ctr != -1) {
+ /* reduce counter DMA size */
+ vnic_dev_counter_dma_cfg(enic->vdev,
+ VNIC_FLOW_COUNTER_UPDATE_MSECS,
+ last_max_flow_ctr);
+ enic->max_flow_counter = last_max_flow_ctr;
+ }
+unwind_ctr_alloc:
+ if (flow->counter_idx != -1)
+ vnic_dev_counter_free(enic->vdev, ctr_idx);
+unwind_flow_alloc:
+ rte_free(flow);
+ return NULL;
}
/**
* @param error[out]
*/
static int
-enic_flow_del_filter(struct enic *enic, u16 filter_id,
+enic_flow_del_filter(struct enic *enic, struct rte_flow *flow,
struct rte_flow_error *error)
{
- int ret;
+ u16 filter_id;
+ int err;
FLOW_TRACE();
- ret = vnic_dev_classifier(enic->vdev, CLSF_DEL, &filter_id, NULL, NULL);
- if (!ret)
- rte_flow_error_set(error, ret, RTE_FLOW_ERROR_TYPE_HANDLE,
+ filter_id = flow->enic_filter_id;
+ err = vnic_dev_classifier(enic->vdev, CLSF_DEL, &filter_id, NULL, NULL);
+ if (err) {
+ rte_flow_error_set(error, -err, RTE_FLOW_ERROR_TYPE_HANDLE,
NULL, "vnic_dev_classifier failed");
- return ret;
+ return -err;
+ }
+
+ if (flow->counter_idx != -1) {
+ if (!vnic_dev_counter_free(enic->vdev, flow->counter_idx))
+ dev_err(enic, "counter free failed, idx: %d\n",
+ flow->counter_idx);
+ flow->counter_idx = -1;
+ }
+ return 0;
}
/*
FLOW_TRACE();
rte_spinlock_lock(&enic->flows_lock);
- enic_flow_del_filter(enic, flow->enic_filter_id, error);
+ enic_flow_del_filter(enic, flow, error);
LIST_REMOVE(flow, next);
rte_spinlock_unlock(&enic->flows_lock);
+ rte_free(flow);
return 0;
}
while (!LIST_EMPTY(&enic->flows)) {
flow = LIST_FIRST(&enic->flows);
- enic_flow_del_filter(enic, flow->enic_filter_id, error);
+ enic_flow_del_filter(enic, flow, error);
LIST_REMOVE(flow, next);
+ rte_free(flow);
}
rte_spinlock_unlock(&enic->flows_lock);
return 0;
}
+static int
+enic_flow_query_count(struct rte_eth_dev *dev,
+ struct rte_flow *flow, void *data,
+ struct rte_flow_error *error)
+{
+ struct enic *enic = pmd_priv(dev);
+ struct rte_flow_query_count *query;
+ uint64_t packets, bytes;
+
+ FLOW_TRACE();
+
+ if (flow->counter_idx == -1) {
+ return rte_flow_error_set(error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+ NULL,
+ "flow does not have counter");
+ }
+ query = (struct rte_flow_query_count *)data;
+ if (!vnic_dev_counter_query(enic->vdev, flow->counter_idx,
+ !!query->reset, &packets, &bytes)) {
+ return rte_flow_error_set
+ (error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+ NULL,
+ "cannot read counter");
+ }
+ query->hits_set = 1;
+ query->bytes_set = 1;
+ query->hits = packets;
+ query->bytes = bytes;
+ return 0;
+}
+
+static int
+enic_flow_query(struct rte_eth_dev *dev,
+ struct rte_flow *flow,
+ const struct rte_flow_action *actions,
+ void *data,
+ struct rte_flow_error *error)
+{
+ int ret = 0;
+
+ FLOW_TRACE();
+
+ for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
+ switch (actions->type) {
+ case RTE_FLOW_ACTION_TYPE_VOID:
+ break;
+ case RTE_FLOW_ACTION_TYPE_COUNT:
+ ret = enic_flow_query_count(dev, flow, data, error);
+ break;
+ default:
+ return rte_flow_error_set(error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ actions,
+ "action not supported");
+ }
+ if (ret < 0)
+ return ret;
+ }
+ return 0;
+}
+
/**
* Flow callback registration.
*
.create = enic_flow_create,
.destroy = enic_flow_destroy,
.flush = enic_flow_flush,
+ .query = enic_flow_query,
};