* Copyright 2018 Mellanox Technologies, Ltd
*/
+#include <sys/queue.h>
+#include <stdalign.h>
+#include <stdint.h>
+#include <string.h>
+
+/* Verbs header. */
+/* ISO C doesn't support unnamed structs/unions, disabling -pedantic. */
+#ifdef PEDANTIC
+#pragma GCC diagnostic ignored "-Wpedantic"
+#endif
+#include <infiniband/verbs.h>
+#ifdef PEDANTIC
+#pragma GCC diagnostic error "-Wpedantic"
+#endif
+
+#include <rte_common.h>
+#include <rte_ether.h>
+#include <rte_ethdev_driver.h>
+#include <rte_flow.h>
+#include <rte_flow_driver.h>
+#include <rte_malloc.h>
+#include <rte_ip.h>
+#include <rte_gre.h>
+
+#include "mlx5.h"
+#include "mlx5_defs.h"
+#include "mlx5_glue.h"
+#include "mlx5_flow.h"
+#include "mlx5_prm.h"
+#include "mlx5_rxtx.h"
+
+#ifdef HAVE_IBV_FLOW_DV_SUPPORT
+
+#ifndef HAVE_IBV_FLOW_DEVX_COUNTERS
+#define MLX5DV_FLOW_ACTION_COUNTERS_DEVX 0
+#endif
+
+#ifndef HAVE_MLX5DV_DR_ESWITCH
+#ifndef MLX5DV_FLOW_TABLE_TYPE_FDB
+#define MLX5DV_FLOW_TABLE_TYPE_FDB 0
+#endif
+#endif
+
+#ifndef HAVE_MLX5DV_DR
+#define MLX5DV_DR_ACTION_FLAGS_ROOT_LEVEL 1
+#endif
+
+union flow_dv_attr {
+ struct {
+ uint32_t valid:1;
+ uint32_t ipv4:1;
+ uint32_t ipv6:1;
+ uint32_t tcp:1;
+ uint32_t udp:1;
+ uint32_t reserved:27;
+ };
+ uint32_t attr;
+};
+
+/**
+ * Initialize flow attributes structure according to flow items' types.
+ *
+ * @param[in] item
+ * Pointer to item specification.
+ * @param[out] attr
+ * Pointer to flow attributes structure.
+ */
+static void
+flow_dv_attr_init(const struct rte_flow_item *item, union flow_dv_attr *attr)
+{
+ for (; item->type != RTE_FLOW_ITEM_TYPE_END; item++) {
+ switch (item->type) {
+ case RTE_FLOW_ITEM_TYPE_IPV4:
+ attr->ipv4 = 1;
+ break;
+ case RTE_FLOW_ITEM_TYPE_IPV6:
+ attr->ipv6 = 1;
+ break;
+ case RTE_FLOW_ITEM_TYPE_UDP:
+ attr->udp = 1;
+ break;
+ case RTE_FLOW_ITEM_TYPE_TCP:
+ attr->tcp = 1;
+ break;
+ default:
+ break;
+ }
+ }
+ attr->valid = 1;
+}
+
+struct field_modify_info {
+ uint32_t size; /* Size of field in protocol header, in bytes. */
+ uint32_t offset; /* Offset of field in protocol header, in bytes. */
+ enum mlx5_modification_field id;
+};
+
+struct field_modify_info modify_eth[] = {
+ {4, 0, MLX5_MODI_OUT_DMAC_47_16},
+ {2, 4, MLX5_MODI_OUT_DMAC_15_0},
+ {4, 6, MLX5_MODI_OUT_SMAC_47_16},
+ {2, 10, MLX5_MODI_OUT_SMAC_15_0},
+ {0, 0, 0},
+};
+
+struct field_modify_info modify_ipv4[] = {
+ {1, 8, MLX5_MODI_OUT_IPV4_TTL},
+ {4, 12, MLX5_MODI_OUT_SIPV4},
+ {4, 16, MLX5_MODI_OUT_DIPV4},
+ {0, 0, 0},
+};
+
+struct field_modify_info modify_ipv6[] = {
+ {1, 7, MLX5_MODI_OUT_IPV6_HOPLIMIT},
+ {4, 8, MLX5_MODI_OUT_SIPV6_127_96},
+ {4, 12, MLX5_MODI_OUT_SIPV6_95_64},
+ {4, 16, MLX5_MODI_OUT_SIPV6_63_32},
+ {4, 20, MLX5_MODI_OUT_SIPV6_31_0},
+ {4, 24, MLX5_MODI_OUT_DIPV6_127_96},
+ {4, 28, MLX5_MODI_OUT_DIPV6_95_64},
+ {4, 32, MLX5_MODI_OUT_DIPV6_63_32},
+ {4, 36, MLX5_MODI_OUT_DIPV6_31_0},
+ {0, 0, 0},
+};
+
+struct field_modify_info modify_udp[] = {
+ {2, 0, MLX5_MODI_OUT_UDP_SPORT},
+ {2, 2, MLX5_MODI_OUT_UDP_DPORT},
+ {0, 0, 0},
+};
+
+struct field_modify_info modify_tcp[] = {
+ {2, 0, MLX5_MODI_OUT_TCP_SPORT},
+ {2, 2, MLX5_MODI_OUT_TCP_DPORT},
+ {0, 0, 0},
+};
+
+/**
+ * Acquire the synchronizing object to protect multithreaded access
+ * to shared dv context. Lock occurs only if context is actually
+ * shared, i.e. we have multiport IB device and representors are
+ * created.
+ *
+ * @param[in] dev
+ * Pointer to the rte_eth_dev structure.
+ */
+static void
+flow_d_shared_lock(struct rte_eth_dev *dev)
+{
+ struct mlx5_priv *priv = dev->data->dev_private;
+ struct mlx5_ibv_shared *sh = priv->sh;
+
+ if (sh->dv_refcnt > 1) {
+ int ret;
+
+ ret = pthread_mutex_lock(&sh->dv_mutex);
+ assert(!ret);
+ (void)ret;
+ }
+}
+
+static void
+flow_d_shared_unlock(struct rte_eth_dev *dev)
+{
+ struct mlx5_priv *priv = dev->data->dev_private;
+ struct mlx5_ibv_shared *sh = priv->sh;
+
+ if (sh->dv_refcnt > 1) {
+ int ret;
+
+ ret = pthread_mutex_unlock(&sh->dv_mutex);
+ assert(!ret);
+ (void)ret;
+ }
+}
+
+/**
+ * Convert modify-header action to DV specification.
+ *
+ * @param[in] item
+ * Pointer to item specification.
+ * @param[in] field
+ * Pointer to field modification information.
+ * @param[in,out] resource
+ * Pointer to the modify-header resource.
+ * @param[in] type
+ * Type of modification.
+ * @param[out] error
+ * Pointer to the error structure.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+static int
+flow_dv_convert_modify_action(struct rte_flow_item *item,
+ struct field_modify_info *field,
+ struct mlx5_flow_dv_modify_hdr_resource *resource,
+ uint32_t type,
+ struct rte_flow_error *error)
+{
+ uint32_t i = resource->actions_num;
+ struct mlx5_modification_cmd *actions = resource->actions;
+ const uint8_t *spec = item->spec;
+ const uint8_t *mask = item->mask;
+ uint32_t set;
+
+ while (field->size) {
+ set = 0;
+ /* Generate modify command for each mask segment. */
+ memcpy(&set, &mask[field->offset], field->size);
+ if (set) {
+ if (i >= MLX5_MODIFY_NUM)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION, NULL,
+ "too many items to modify");
+ actions[i].action_type = type;
+ actions[i].field = field->id;
+ actions[i].length = field->size ==
+ 4 ? 0 : field->size * 8;
+ rte_memcpy(&actions[i].data[4 - field->size],
+ &spec[field->offset], field->size);
+ actions[i].data0 = rte_cpu_to_be_32(actions[i].data0);
+ ++i;
+ }
+ if (resource->actions_num != i)
+ resource->actions_num = i;
+ field++;
+ }
+ if (!resource->actions_num)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION, NULL,
+ "invalid modification flow item");
+ return 0;
+}
+
+/**
+ * Convert modify-header set IPv4 address action to DV specification.
+ *
+ * @param[in,out] resource
+ * Pointer to the modify-header resource.
+ * @param[in] action
+ * Pointer to action specification.
+ * @param[out] error
+ * Pointer to the error structure.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+static int
+flow_dv_convert_action_modify_ipv4
+ (struct mlx5_flow_dv_modify_hdr_resource *resource,
+ const struct rte_flow_action *action,
+ struct rte_flow_error *error)
+{
+ const struct rte_flow_action_set_ipv4 *conf =
+ (const struct rte_flow_action_set_ipv4 *)(action->conf);
+ struct rte_flow_item item = { .type = RTE_FLOW_ITEM_TYPE_IPV4 };
+ struct rte_flow_item_ipv4 ipv4;
+ struct rte_flow_item_ipv4 ipv4_mask;
+
+ memset(&ipv4, 0, sizeof(ipv4));
+ memset(&ipv4_mask, 0, sizeof(ipv4_mask));
+ if (action->type == RTE_FLOW_ACTION_TYPE_SET_IPV4_SRC) {
+ ipv4.hdr.src_addr = conf->ipv4_addr;
+ ipv4_mask.hdr.src_addr = rte_flow_item_ipv4_mask.hdr.src_addr;
+ } else {
+ ipv4.hdr.dst_addr = conf->ipv4_addr;
+ ipv4_mask.hdr.dst_addr = rte_flow_item_ipv4_mask.hdr.dst_addr;
+ }
+ item.spec = &ipv4;
+ item.mask = &ipv4_mask;
+ return flow_dv_convert_modify_action(&item, modify_ipv4, resource,
+ MLX5_MODIFICATION_TYPE_SET, error);
+}
+
+/**
+ * Convert modify-header set IPv6 address action to DV specification.
+ *
+ * @param[in,out] resource
+ * Pointer to the modify-header resource.
+ * @param[in] action
+ * Pointer to action specification.
+ * @param[out] error
+ * Pointer to the error structure.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+static int
+flow_dv_convert_action_modify_ipv6
+ (struct mlx5_flow_dv_modify_hdr_resource *resource,
+ const struct rte_flow_action *action,
+ struct rte_flow_error *error)
+{
+ const struct rte_flow_action_set_ipv6 *conf =
+ (const struct rte_flow_action_set_ipv6 *)(action->conf);
+ struct rte_flow_item item = { .type = RTE_FLOW_ITEM_TYPE_IPV6 };
+ struct rte_flow_item_ipv6 ipv6;
+ struct rte_flow_item_ipv6 ipv6_mask;
+
+ memset(&ipv6, 0, sizeof(ipv6));
+ memset(&ipv6_mask, 0, sizeof(ipv6_mask));
+ if (action->type == RTE_FLOW_ACTION_TYPE_SET_IPV6_SRC) {
+ memcpy(&ipv6.hdr.src_addr, &conf->ipv6_addr,
+ sizeof(ipv6.hdr.src_addr));
+ memcpy(&ipv6_mask.hdr.src_addr,
+ &rte_flow_item_ipv6_mask.hdr.src_addr,
+ sizeof(ipv6.hdr.src_addr));
+ } else {
+ memcpy(&ipv6.hdr.dst_addr, &conf->ipv6_addr,
+ sizeof(ipv6.hdr.dst_addr));
+ memcpy(&ipv6_mask.hdr.dst_addr,
+ &rte_flow_item_ipv6_mask.hdr.dst_addr,
+ sizeof(ipv6.hdr.dst_addr));
+ }
+ item.spec = &ipv6;
+ item.mask = &ipv6_mask;
+ return flow_dv_convert_modify_action(&item, modify_ipv6, resource,
+ MLX5_MODIFICATION_TYPE_SET, error);
+}
+
+/**
+ * Convert modify-header set MAC address action to DV specification.
+ *
+ * @param[in,out] resource
+ * Pointer to the modify-header resource.
+ * @param[in] action
+ * Pointer to action specification.
+ * @param[out] error
+ * Pointer to the error structure.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+static int
+flow_dv_convert_action_modify_mac
+ (struct mlx5_flow_dv_modify_hdr_resource *resource,
+ const struct rte_flow_action *action,
+ struct rte_flow_error *error)
+{
+ const struct rte_flow_action_set_mac *conf =
+ (const struct rte_flow_action_set_mac *)(action->conf);
+ struct rte_flow_item item = { .type = RTE_FLOW_ITEM_TYPE_ETH };
+ struct rte_flow_item_eth eth;
+ struct rte_flow_item_eth eth_mask;
+
+ memset(ð, 0, sizeof(eth));
+ memset(ð_mask, 0, sizeof(eth_mask));
+ if (action->type == RTE_FLOW_ACTION_TYPE_SET_MAC_SRC) {
+ memcpy(ð.src.addr_bytes, &conf->mac_addr,
+ sizeof(eth.src.addr_bytes));
+ memcpy(ð_mask.src.addr_bytes,
+ &rte_flow_item_eth_mask.src.addr_bytes,
+ sizeof(eth_mask.src.addr_bytes));
+ } else {
+ memcpy(ð.dst.addr_bytes, &conf->mac_addr,
+ sizeof(eth.dst.addr_bytes));
+ memcpy(ð_mask.dst.addr_bytes,
+ &rte_flow_item_eth_mask.dst.addr_bytes,
+ sizeof(eth_mask.dst.addr_bytes));
+ }
+ item.spec = ð
+ item.mask = ð_mask;
+ return flow_dv_convert_modify_action(&item, modify_eth, resource,
+ MLX5_MODIFICATION_TYPE_SET, error);
+}
+
+/**
+ * Convert modify-header set TP action to DV specification.
+ *
+ * @param[in,out] resource
+ * Pointer to the modify-header resource.
+ * @param[in] action
+ * Pointer to action specification.
+ * @param[in] items
+ * Pointer to rte_flow_item objects list.
+ * @param[in] attr
+ * Pointer to flow attributes structure.
+ * @param[out] error
+ * Pointer to the error structure.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+static int
+flow_dv_convert_action_modify_tp
+ (struct mlx5_flow_dv_modify_hdr_resource *resource,
+ const struct rte_flow_action *action,
+ const struct rte_flow_item *items,
+ union flow_dv_attr *attr,
+ struct rte_flow_error *error)
+{
+ const struct rte_flow_action_set_tp *conf =
+ (const struct rte_flow_action_set_tp *)(action->conf);
+ struct rte_flow_item item;
+ struct rte_flow_item_udp udp;
+ struct rte_flow_item_udp udp_mask;
+ struct rte_flow_item_tcp tcp;
+ struct rte_flow_item_tcp tcp_mask;
+ struct field_modify_info *field;
+
+ if (!attr->valid)
+ flow_dv_attr_init(items, attr);
+ if (attr->udp) {
+ memset(&udp, 0, sizeof(udp));
+ memset(&udp_mask, 0, sizeof(udp_mask));
+ if (action->type == RTE_FLOW_ACTION_TYPE_SET_TP_SRC) {
+ udp.hdr.src_port = conf->port;
+ udp_mask.hdr.src_port =
+ rte_flow_item_udp_mask.hdr.src_port;
+ } else {
+ udp.hdr.dst_port = conf->port;
+ udp_mask.hdr.dst_port =
+ rte_flow_item_udp_mask.hdr.dst_port;
+ }
+ item.type = RTE_FLOW_ITEM_TYPE_UDP;
+ item.spec = &udp;
+ item.mask = &udp_mask;
+ field = modify_udp;
+ }
+ if (attr->tcp) {
+ memset(&tcp, 0, sizeof(tcp));
+ memset(&tcp_mask, 0, sizeof(tcp_mask));
+ if (action->type == RTE_FLOW_ACTION_TYPE_SET_TP_SRC) {
+ tcp.hdr.src_port = conf->port;
+ tcp_mask.hdr.src_port =
+ rte_flow_item_tcp_mask.hdr.src_port;
+ } else {
+ tcp.hdr.dst_port = conf->port;
+ tcp_mask.hdr.dst_port =
+ rte_flow_item_tcp_mask.hdr.dst_port;
+ }
+ item.type = RTE_FLOW_ITEM_TYPE_TCP;
+ item.spec = &tcp;
+ item.mask = &tcp_mask;
+ field = modify_tcp;
+ }
+ return flow_dv_convert_modify_action(&item, field, resource,
+ MLX5_MODIFICATION_TYPE_SET, error);
+}
+
+/**
+ * Convert modify-header set TTL action to DV specification.
+ *
+ * @param[in,out] resource
+ * Pointer to the modify-header resource.
+ * @param[in] action
+ * Pointer to action specification.
+ * @param[in] items
+ * Pointer to rte_flow_item objects list.
+ * @param[in] attr
+ * Pointer to flow attributes structure.
+ * @param[out] error
+ * Pointer to the error structure.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+static int
+flow_dv_convert_action_modify_ttl
+ (struct mlx5_flow_dv_modify_hdr_resource *resource,
+ const struct rte_flow_action *action,
+ const struct rte_flow_item *items,
+ union flow_dv_attr *attr,
+ struct rte_flow_error *error)
+{
+ const struct rte_flow_action_set_ttl *conf =
+ (const struct rte_flow_action_set_ttl *)(action->conf);
+ struct rte_flow_item item;
+ struct rte_flow_item_ipv4 ipv4;
+ struct rte_flow_item_ipv4 ipv4_mask;
+ struct rte_flow_item_ipv6 ipv6;
+ struct rte_flow_item_ipv6 ipv6_mask;
+ struct field_modify_info *field;
+
+ if (!attr->valid)
+ flow_dv_attr_init(items, attr);
+ if (attr->ipv4) {
+ memset(&ipv4, 0, sizeof(ipv4));
+ memset(&ipv4_mask, 0, sizeof(ipv4_mask));
+ ipv4.hdr.time_to_live = conf->ttl_value;
+ ipv4_mask.hdr.time_to_live = 0xFF;
+ item.type = RTE_FLOW_ITEM_TYPE_IPV4;
+ item.spec = &ipv4;
+ item.mask = &ipv4_mask;
+ field = modify_ipv4;
+ }
+ if (attr->ipv6) {
+ memset(&ipv6, 0, sizeof(ipv6));
+ memset(&ipv6_mask, 0, sizeof(ipv6_mask));
+ ipv6.hdr.hop_limits = conf->ttl_value;
+ ipv6_mask.hdr.hop_limits = 0xFF;
+ item.type = RTE_FLOW_ITEM_TYPE_IPV6;
+ item.spec = &ipv6;
+ item.mask = &ipv6_mask;
+ field = modify_ipv6;
+ }
+ return flow_dv_convert_modify_action(&item, field, resource,
+ MLX5_MODIFICATION_TYPE_SET, error);
+}
+
+/**
+ * Convert modify-header decrement TTL action to DV specification.
+ *
+ * @param[in,out] resource
+ * Pointer to the modify-header resource.
+ * @param[in] action
+ * Pointer to action specification.
+ * @param[in] items
+ * Pointer to rte_flow_item objects list.
+ * @param[in] attr
+ * Pointer to flow attributes structure.
+ * @param[out] error
+ * Pointer to the error structure.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+static int
+flow_dv_convert_action_modify_dec_ttl
+ (struct mlx5_flow_dv_modify_hdr_resource *resource,
+ const struct rte_flow_item *items,
+ union flow_dv_attr *attr,
+ struct rte_flow_error *error)
+{
+ struct rte_flow_item item;
+ struct rte_flow_item_ipv4 ipv4;
+ struct rte_flow_item_ipv4 ipv4_mask;
+ struct rte_flow_item_ipv6 ipv6;
+ struct rte_flow_item_ipv6 ipv6_mask;
+ struct field_modify_info *field;
+
+ if (!attr->valid)
+ flow_dv_attr_init(items, attr);
+ if (attr->ipv4) {
+ memset(&ipv4, 0, sizeof(ipv4));
+ memset(&ipv4_mask, 0, sizeof(ipv4_mask));
+ ipv4.hdr.time_to_live = 0xFF;
+ ipv4_mask.hdr.time_to_live = 0xFF;
+ item.type = RTE_FLOW_ITEM_TYPE_IPV4;
+ item.spec = &ipv4;
+ item.mask = &ipv4_mask;
+ field = modify_ipv4;
+ }
+ if (attr->ipv6) {
+ memset(&ipv6, 0, sizeof(ipv6));
+ memset(&ipv6_mask, 0, sizeof(ipv6_mask));
+ ipv6.hdr.hop_limits = 0xFF;
+ ipv6_mask.hdr.hop_limits = 0xFF;
+ item.type = RTE_FLOW_ITEM_TYPE_IPV6;
+ item.spec = &ipv6;
+ item.mask = &ipv6_mask;
+ field = modify_ipv6;
+ }
+ return flow_dv_convert_modify_action(&item, field, resource,
+ MLX5_MODIFICATION_TYPE_ADD, error);
+}
+
+/**
+ * Validate META item.
+ *
+ * @param[in] dev
+ * Pointer to the rte_eth_dev structure.
+ * @param[in] item
+ * Item specification.
+ * @param[in] attr
+ * Attributes of flow that includes this item.
+ * @param[out] error
+ * Pointer to error structure.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+static int
+flow_dv_validate_item_meta(struct rte_eth_dev *dev,
+ const struct rte_flow_item *item,
+ const struct rte_flow_attr *attr,
+ struct rte_flow_error *error)
+{
+ const struct rte_flow_item_meta *spec = item->spec;
+ const struct rte_flow_item_meta *mask = item->mask;
+ const struct rte_flow_item_meta nic_mask = {
+ .data = RTE_BE32(UINT32_MAX)
+ };
+ int ret;
+ uint64_t offloads = dev->data->dev_conf.txmode.offloads;
+
+ if (!(offloads & DEV_TX_OFFLOAD_MATCH_METADATA))
+ return rte_flow_error_set(error, EPERM,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ NULL,
+ "match on metadata offload "
+ "configuration is off for this port");
+ if (!spec)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM_SPEC,
+ item->spec,
+ "data cannot be empty");
+ if (!spec->data)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM_SPEC,
+ NULL,
+ "data cannot be zero");
+ if (!mask)
+ mask = &rte_flow_item_meta_mask;
+ ret = mlx5_flow_item_acceptable(item, (const uint8_t *)mask,
+ (const uint8_t *)&nic_mask,
+ sizeof(struct rte_flow_item_meta),
+ error);
+ if (ret < 0)
+ return ret;
+ if (attr->ingress)
+ return rte_flow_error_set(error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ATTR_INGRESS,
+ NULL,
+ "pattern not supported for ingress");
+ return 0;
+}
+
+/**
+ * Validate vport item.
+ *
+ * @param[in] dev
+ * Pointer to the rte_eth_dev structure.
+ * @param[in] item
+ * Item specification.
+ * @param[in] attr
+ * Attributes of flow that includes this item.
+ * @param[in] item_flags
+ * Bit-fields that holds the items detected until now.
+ * @param[out] error
+ * Pointer to error structure.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+static int
+flow_dv_validate_item_port_id(struct rte_eth_dev *dev,
+ const struct rte_flow_item *item,
+ const struct rte_flow_attr *attr,
+ uint64_t item_flags,
+ struct rte_flow_error *error)
+{
+ const struct rte_flow_item_port_id *spec = item->spec;
+ const struct rte_flow_item_port_id *mask = item->mask;
+ const struct rte_flow_item_port_id switch_mask = {
+ .id = 0xffffffff,
+ };
+ uint16_t esw_domain_id;
+ uint16_t item_port_esw_domain_id;
+ int ret;
+
+ if (!attr->transfer)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ NULL,
+ "match on port id is valid only"
+ " when transfer flag is enabled");
+ if (item_flags & MLX5_FLOW_ITEM_PORT_ID)
+ return rte_flow_error_set(error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ITEM, item,
+ "multiple source ports are not"
+ " supported");
+ if (!mask)
+ mask = &switch_mask;
+ if (mask->id != 0xffffffff)
+ return rte_flow_error_set(error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ITEM_MASK,
+ mask,
+ "no support for partial mask on"
+ " \"id\" field");
+ ret = mlx5_flow_item_acceptable
+ (item, (const uint8_t *)mask,
+ (const uint8_t *)&rte_flow_item_port_id_mask,
+ sizeof(struct rte_flow_item_port_id),
+ error);
+ if (ret)
+ return ret;
+ if (!spec)
+ return 0;
+ ret = mlx5_port_to_eswitch_info(spec->id, &item_port_esw_domain_id,
+ NULL);
+ if (ret)
+ return rte_flow_error_set(error, -ret,
+ RTE_FLOW_ERROR_TYPE_ITEM_SPEC, spec,
+ "failed to obtain E-Switch info for"
+ " port");
+ ret = mlx5_port_to_eswitch_info(dev->data->port_id,
+ &esw_domain_id, NULL);
+ if (ret < 0)
+ return rte_flow_error_set(error, -ret,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+ NULL,
+ "failed to obtain E-Switch info");
+ if (item_port_esw_domain_id != esw_domain_id)
+ return rte_flow_error_set(error, -ret,
+ RTE_FLOW_ERROR_TYPE_ITEM_SPEC, spec,
+ "cannot match on a port from a"
+ " different E-Switch");
+ return 0;
+}
+
+/**
+ * Validate count action.
+ *
+ * @param[in] dev
+ * device otr.
+ * @param[out] error
+ * Pointer to error structure.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+static int
+flow_dv_validate_action_count(struct rte_eth_dev *dev,
+ struct rte_flow_error *error)
+{
+ struct mlx5_priv *priv = dev->data->dev_private;
+
+ if (!priv->config.devx)
+ goto notsup_err;
+#ifdef HAVE_IBV_FLOW_DEVX_COUNTERS
+ return 0;
+#endif
+notsup_err:
+ return rte_flow_error_set
+ (error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+ NULL,
+ "count action not supported");
+}
+
+/**
+ * Validate the L2 encap action.
+ *
+ * @param[in] action_flags
+ * Holds the actions detected until now.
+ * @param[in] action
+ * Pointer to the encap action.
+ * @param[in] attr
+ * Pointer to flow attributes
+ * @param[out] error
+ * Pointer to error structure.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+static int
+flow_dv_validate_action_l2_encap(uint64_t action_flags,
+ const struct rte_flow_action *action,
+ const struct rte_flow_attr *attr,
+ struct rte_flow_error *error)
+{
+ if (!(action->conf))
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION, action,
+ "configuration cannot be null");
+ if (action_flags & MLX5_FLOW_ACTION_DROP)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION, NULL,
+ "can't drop and encap in same flow");
+ if (action_flags & (MLX5_FLOW_ENCAP_ACTIONS | MLX5_FLOW_DECAP_ACTIONS))
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION, NULL,
+ "can only have a single encap or"
+ " decap action in a flow");
+ if (!attr->transfer && attr->ingress)
+ return rte_flow_error_set(error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ATTR_INGRESS,
+ NULL,
+ "encap action not supported for "
+ "ingress");
+ return 0;
+}
+
+/**
+ * Validate the L2 decap action.
+ *
+ * @param[in] action_flags
+ * Holds the actions detected until now.
+ * @param[in] attr
+ * Pointer to flow attributes
+ * @param[out] error
+ * Pointer to error structure.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+static int
+flow_dv_validate_action_l2_decap(uint64_t action_flags,
+ const struct rte_flow_attr *attr,
+ struct rte_flow_error *error)
+{
+ if (action_flags & MLX5_FLOW_ACTION_DROP)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION, NULL,
+ "can't drop and decap in same flow");
+ if (action_flags & (MLX5_FLOW_ENCAP_ACTIONS | MLX5_FLOW_DECAP_ACTIONS))
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION, NULL,
+ "can only have a single encap or"
+ " decap action in a flow");
+ if (action_flags & MLX5_FLOW_MODIFY_HDR_ACTIONS)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION, NULL,
+ "can't have decap action after"
+ " modify action");
+ if (attr->egress)
+ return rte_flow_error_set(error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ATTR_EGRESS,
+ NULL,
+ "decap action not supported for "
+ "egress");
+ return 0;
+}
+
+/**
+ * Validate the raw encap action.
+ *
+ * @param[in] action_flags
+ * Holds the actions detected until now.
+ * @param[in] action
+ * Pointer to the encap action.
+ * @param[in] attr
+ * Pointer to flow attributes
+ * @param[out] error
+ * Pointer to error structure.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+static int
+flow_dv_validate_action_raw_encap(uint64_t action_flags,
+ const struct rte_flow_action *action,
+ const struct rte_flow_attr *attr,
+ struct rte_flow_error *error)
+{
+ if (!(action->conf))
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION, action,
+ "configuration cannot be null");
+ if (action_flags & MLX5_FLOW_ACTION_DROP)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION, NULL,
+ "can't drop and encap in same flow");
+ if (action_flags & MLX5_FLOW_ENCAP_ACTIONS)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION, NULL,
+ "can only have a single encap"
+ " action in a flow");
+ /* encap without preceding decap is not supported for ingress */
+ if (!attr->transfer && attr->ingress &&
+ !(action_flags & MLX5_FLOW_ACTION_RAW_DECAP))
+ return rte_flow_error_set(error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ATTR_INGRESS,
+ NULL,
+ "encap action not supported for "
+ "ingress");
+ return 0;
+}
+
+/**
+ * Validate the raw decap action.
+ *
+ * @param[in] action_flags
+ * Holds the actions detected until now.
+ * @param[in] action
+ * Pointer to the encap action.
+ * @param[in] attr
+ * Pointer to flow attributes
+ * @param[out] error
+ * Pointer to error structure.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+static int
+flow_dv_validate_action_raw_decap(uint64_t action_flags,
+ const struct rte_flow_action *action,
+ const struct rte_flow_attr *attr,
+ struct rte_flow_error *error)
+{
+ if (action_flags & MLX5_FLOW_ACTION_DROP)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION, NULL,
+ "can't drop and decap in same flow");
+ if (action_flags & MLX5_FLOW_ENCAP_ACTIONS)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION, NULL,
+ "can't have encap action before"
+ " decap action");
+ if (action_flags & MLX5_FLOW_DECAP_ACTIONS)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION, NULL,
+ "can only have a single decap"
+ " action in a flow");
+ if (action_flags & MLX5_FLOW_MODIFY_HDR_ACTIONS)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION, NULL,
+ "can't have decap action after"
+ " modify action");
+ /* decap action is valid on egress only if it is followed by encap */
+ if (attr->egress) {
+ for (; action->type != RTE_FLOW_ACTION_TYPE_END &&
+ action->type != RTE_FLOW_ACTION_TYPE_RAW_ENCAP;
+ action++) {
+ }
+ if (action->type != RTE_FLOW_ACTION_TYPE_RAW_ENCAP)
+ return rte_flow_error_set
+ (error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ATTR_EGRESS,
+ NULL, "decap action not supported"
+ " for egress");
+ }
+ return 0;
+}
+
+/**
+ * Find existing encap/decap resource or create and register a new one.
+ *
+ * @param dev[in, out]
+ * Pointer to rte_eth_dev structure.
+ * @param[in, out] resource
+ * Pointer to encap/decap resource.
+ * @parm[in, out] dev_flow
+ * Pointer to the dev_flow.
+ * @param[out] error
+ * pointer to error structure.
+ *
+ * @return
+ * 0 on success otherwise -errno and errno is set.
+ */
+static int
+flow_dv_encap_decap_resource_register
+ (struct rte_eth_dev *dev,
+ struct mlx5_flow_dv_encap_decap_resource *resource,
+ struct mlx5_flow *dev_flow,
+ struct rte_flow_error *error)
+{
+ struct mlx5_priv *priv = dev->data->dev_private;
+ struct mlx5_ibv_shared *sh = priv->sh;
+ struct mlx5_flow_dv_encap_decap_resource *cache_resource;
+ struct rte_flow *flow = dev_flow->flow;
+ struct mlx5dv_dr_domain *domain;
+
+ resource->flags = flow->group ? 0 : 1;
+ if (resource->ft_type == MLX5DV_FLOW_TABLE_TYPE_FDB)
+ domain = sh->fdb_domain;
+ else if (resource->ft_type == MLX5DV_FLOW_TABLE_TYPE_NIC_RX)
+ domain = sh->rx_domain;
+ else
+ domain = sh->tx_domain;
+
+ /* Lookup a matching resource from cache. */
+ LIST_FOREACH(cache_resource, &sh->encaps_decaps, next) {
+ if (resource->reformat_type == cache_resource->reformat_type &&
+ resource->ft_type == cache_resource->ft_type &&
+ resource->flags == cache_resource->flags &&
+ resource->size == cache_resource->size &&
+ !memcmp((const void *)resource->buf,
+ (const void *)cache_resource->buf,
+ resource->size)) {
+ DRV_LOG(DEBUG, "encap/decap resource %p: refcnt %d++",
+ (void *)cache_resource,
+ rte_atomic32_read(&cache_resource->refcnt));
+ rte_atomic32_inc(&cache_resource->refcnt);
+ dev_flow->dv.encap_decap = cache_resource;
+ return 0;
+ }
+ }
+ /* Register new encap/decap resource. */
+ cache_resource = rte_calloc(__func__, 1, sizeof(*cache_resource), 0);
+ if (!cache_resource)
+ return rte_flow_error_set(error, ENOMEM,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
+ "cannot allocate resource memory");
+ *cache_resource = *resource;
+ cache_resource->verbs_action =
+ mlx5_glue->dv_create_flow_action_packet_reformat
+ (sh->ctx, cache_resource->reformat_type,
+ cache_resource->ft_type, domain, cache_resource->flags,
+ cache_resource->size,
+ (cache_resource->size ? cache_resource->buf : NULL));
+ if (!cache_resource->verbs_action) {
+ rte_free(cache_resource);
+ return rte_flow_error_set(error, ENOMEM,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+ NULL, "cannot create action");
+ }
+ rte_atomic32_init(&cache_resource->refcnt);
+ rte_atomic32_inc(&cache_resource->refcnt);
+ LIST_INSERT_HEAD(&sh->encaps_decaps, cache_resource, next);
+ dev_flow->dv.encap_decap = cache_resource;
+ DRV_LOG(DEBUG, "new encap/decap resource %p: refcnt %d++",
+ (void *)cache_resource,
+ rte_atomic32_read(&cache_resource->refcnt));
+ return 0;
+}
+
+/**
+ * Find existing table jump resource or create and register a new one.
+ *
+ * @param dev[in, out]
+ * Pointer to rte_eth_dev structure.
+ * @param[in, out] resource
+ * Pointer to jump table resource.
+ * @parm[in, out] dev_flow
+ * Pointer to the dev_flow.
+ * @param[out] error
+ * pointer to error structure.
+ *
+ * @return
+ * 0 on success otherwise -errno and errno is set.
+ */
+static int
+flow_dv_jump_tbl_resource_register
+ (struct rte_eth_dev *dev,
+ struct mlx5_flow_dv_jump_tbl_resource *resource,
+ struct mlx5_flow *dev_flow,
+ struct rte_flow_error *error)
+{
+ struct mlx5_priv *priv = dev->data->dev_private;
+ struct mlx5_ibv_shared *sh = priv->sh;
+ struct mlx5_flow_dv_jump_tbl_resource *cache_resource;
+
+ /* Lookup a matching resource from cache. */
+ LIST_FOREACH(cache_resource, &sh->jump_tbl, next) {
+ if (resource->tbl == cache_resource->tbl) {
+ DRV_LOG(DEBUG, "jump table resource resource %p: refcnt %d++",
+ (void *)cache_resource,
+ rte_atomic32_read(&cache_resource->refcnt));
+ rte_atomic32_inc(&cache_resource->refcnt);
+ dev_flow->dv.jump = cache_resource;
+ return 0;
+ }
+ }
+ /* Register new jump table resource. */
+ cache_resource = rte_calloc(__func__, 1, sizeof(*cache_resource), 0);
+ if (!cache_resource)
+ return rte_flow_error_set(error, ENOMEM,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
+ "cannot allocate resource memory");
+ *cache_resource = *resource;
+ cache_resource->action =
+ mlx5_glue->dr_create_flow_action_dest_flow_tbl
+ (resource->tbl->obj);
+ if (!cache_resource->action) {
+ rte_free(cache_resource);
+ return rte_flow_error_set(error, ENOMEM,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+ NULL, "cannot create action");
+ }
+ rte_atomic32_init(&cache_resource->refcnt);
+ rte_atomic32_inc(&cache_resource->refcnt);
+ LIST_INSERT_HEAD(&sh->jump_tbl, cache_resource, next);
+ dev_flow->dv.jump = cache_resource;
+ DRV_LOG(DEBUG, "new jump table resource %p: refcnt %d++",
+ (void *)cache_resource,
+ rte_atomic32_read(&cache_resource->refcnt));
+ return 0;
+}
+
+/**
+ * Find existing table port ID resource or create and register a new one.
+ *
+ * @param dev[in, out]
+ * Pointer to rte_eth_dev structure.
+ * @param[in, out] resource
+ * Pointer to port ID action resource.
+ * @parm[in, out] dev_flow
+ * Pointer to the dev_flow.
+ * @param[out] error
+ * pointer to error structure.
+ *
+ * @return
+ * 0 on success otherwise -errno and errno is set.
+ */
+static int
+flow_dv_port_id_action_resource_register
+ (struct rte_eth_dev *dev,
+ struct mlx5_flow_dv_port_id_action_resource *resource,
+ struct mlx5_flow *dev_flow,
+ struct rte_flow_error *error)
+{
+ struct mlx5_priv *priv = dev->data->dev_private;
+ struct mlx5_ibv_shared *sh = priv->sh;
+ struct mlx5_flow_dv_port_id_action_resource *cache_resource;
+
+ /* Lookup a matching resource from cache. */
+ LIST_FOREACH(cache_resource, &sh->port_id_action_list, next) {
+ if (resource->port_id == cache_resource->port_id) {
+ DRV_LOG(DEBUG, "port id action resource resource %p: "
+ "refcnt %d++",
+ (void *)cache_resource,
+ rte_atomic32_read(&cache_resource->refcnt));
+ rte_atomic32_inc(&cache_resource->refcnt);
+ dev_flow->dv.port_id_action = cache_resource;
+ return 0;
+ }
+ }
+ /* Register new port id action resource. */
+ cache_resource = rte_calloc(__func__, 1, sizeof(*cache_resource), 0);
+ if (!cache_resource)
+ return rte_flow_error_set(error, ENOMEM,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
+ "cannot allocate resource memory");
+ *cache_resource = *resource;
+ cache_resource->action =
+ mlx5_glue->dr_create_flow_action_dest_vport
+ (priv->sh->fdb_domain, resource->port_id);
+ if (!cache_resource->action) {
+ rte_free(cache_resource);
+ return rte_flow_error_set(error, ENOMEM,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+ NULL, "cannot create action");
+ }
+ rte_atomic32_init(&cache_resource->refcnt);
+ rte_atomic32_inc(&cache_resource->refcnt);
+ LIST_INSERT_HEAD(&sh->port_id_action_list, cache_resource, next);
+ dev_flow->dv.port_id_action = cache_resource;
+ DRV_LOG(DEBUG, "new port id action resource %p: refcnt %d++",
+ (void *)cache_resource,
+ rte_atomic32_read(&cache_resource->refcnt));
+ return 0;
+}
+
+/**
+ * Get the size of specific rte_flow_item_type
+ *
+ * @param[in] item_type
+ * Tested rte_flow_item_type.
+ *
+ * @return
+ * sizeof struct item_type, 0 if void or irrelevant.
+ */
+static size_t
+flow_dv_get_item_len(const enum rte_flow_item_type item_type)
+{
+ size_t retval;
+
+ switch (item_type) {
+ case RTE_FLOW_ITEM_TYPE_ETH:
+ retval = sizeof(struct rte_flow_item_eth);
+ break;
+ case RTE_FLOW_ITEM_TYPE_VLAN:
+ retval = sizeof(struct rte_flow_item_vlan);
+ break;
+ case RTE_FLOW_ITEM_TYPE_IPV4:
+ retval = sizeof(struct rte_flow_item_ipv4);
+ break;
+ case RTE_FLOW_ITEM_TYPE_IPV6:
+ retval = sizeof(struct rte_flow_item_ipv6);
+ break;
+ case RTE_FLOW_ITEM_TYPE_UDP:
+ retval = sizeof(struct rte_flow_item_udp);
+ break;
+ case RTE_FLOW_ITEM_TYPE_TCP:
+ retval = sizeof(struct rte_flow_item_tcp);
+ break;
+ case RTE_FLOW_ITEM_TYPE_VXLAN:
+ retval = sizeof(struct rte_flow_item_vxlan);
+ break;
+ case RTE_FLOW_ITEM_TYPE_GRE:
+ retval = sizeof(struct rte_flow_item_gre);
+ break;
+ case RTE_FLOW_ITEM_TYPE_NVGRE:
+ retval = sizeof(struct rte_flow_item_nvgre);
+ break;
+ case RTE_FLOW_ITEM_TYPE_VXLAN_GPE:
+ retval = sizeof(struct rte_flow_item_vxlan_gpe);
+ break;
+ case RTE_FLOW_ITEM_TYPE_MPLS:
+ retval = sizeof(struct rte_flow_item_mpls);
+ break;
+ case RTE_FLOW_ITEM_TYPE_VOID: /* Fall through. */
+ default:
+ retval = 0;
+ break;
+ }
+ return retval;
+}
+
+#define MLX5_ENCAP_IPV4_VERSION 0x40
+#define MLX5_ENCAP_IPV4_IHL_MIN 0x05
+#define MLX5_ENCAP_IPV4_TTL_DEF 0x40
+#define MLX5_ENCAP_IPV6_VTC_FLOW 0x60000000
+#define MLX5_ENCAP_IPV6_HOP_LIMIT 0xff
+#define MLX5_ENCAP_VXLAN_FLAGS 0x08000000
+#define MLX5_ENCAP_VXLAN_GPE_FLAGS 0x04
+
+/**
+ * Convert the encap action data from list of rte_flow_item to raw buffer
+ *
+ * @param[in] items
+ * Pointer to rte_flow_item objects list.
+ * @param[out] buf
+ * Pointer to the output buffer.
+ * @param[out] size
+ * Pointer to the output buffer size.
+ * @param[out] error
+ * Pointer to the error structure.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+static int
+flow_dv_convert_encap_data(const struct rte_flow_item *items, uint8_t *buf,
+ size_t *size, struct rte_flow_error *error)
+{
+ struct rte_ether_hdr *eth = NULL;
+ struct rte_vlan_hdr *vlan = NULL;
+ struct ipv4_hdr *ipv4 = NULL;
+ struct ipv6_hdr *ipv6 = NULL;
+ struct udp_hdr *udp = NULL;
+ struct rte_vxlan_hdr *vxlan = NULL;
+ struct rte_vxlan_gpe_hdr *vxlan_gpe = NULL;
+ struct gre_hdr *gre = NULL;
+ size_t len;
+ size_t temp_size = 0;
+
+ if (!items)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ NULL, "invalid empty data");
+ for (; items->type != RTE_FLOW_ITEM_TYPE_END; items++) {
+ len = flow_dv_get_item_len(items->type);
+ if (len + temp_size > MLX5_ENCAP_MAX_LEN)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ (void *)items->type,
+ "items total size is too big"
+ " for encap action");
+ rte_memcpy((void *)&buf[temp_size], items->spec, len);
+ switch (items->type) {
+ case RTE_FLOW_ITEM_TYPE_ETH:
+ eth = (struct rte_ether_hdr *)&buf[temp_size];
+ break;
+ case RTE_FLOW_ITEM_TYPE_VLAN:
+ vlan = (struct rte_vlan_hdr *)&buf[temp_size];
+ if (!eth)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ (void *)items->type,
+ "eth header not found");
+ if (!eth->ether_type)
+ eth->ether_type = RTE_BE16(ETHER_TYPE_VLAN);
+ break;
+ case RTE_FLOW_ITEM_TYPE_IPV4:
+ ipv4 = (struct ipv4_hdr *)&buf[temp_size];
+ if (!vlan && !eth)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ (void *)items->type,
+ "neither eth nor vlan"
+ " header found");
+ if (vlan && !vlan->eth_proto)
+ vlan->eth_proto = RTE_BE16(ETHER_TYPE_IPv4);
+ else if (eth && !eth->ether_type)
+ eth->ether_type = RTE_BE16(ETHER_TYPE_IPv4);
+ if (!ipv4->version_ihl)
+ ipv4->version_ihl = MLX5_ENCAP_IPV4_VERSION |
+ MLX5_ENCAP_IPV4_IHL_MIN;
+ if (!ipv4->time_to_live)
+ ipv4->time_to_live = MLX5_ENCAP_IPV4_TTL_DEF;
+ break;
+ case RTE_FLOW_ITEM_TYPE_IPV6:
+ ipv6 = (struct ipv6_hdr *)&buf[temp_size];
+ if (!vlan && !eth)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ (void *)items->type,
+ "neither eth nor vlan"
+ " header found");
+ if (vlan && !vlan->eth_proto)
+ vlan->eth_proto = RTE_BE16(ETHER_TYPE_IPv6);
+ else if (eth && !eth->ether_type)
+ eth->ether_type = RTE_BE16(ETHER_TYPE_IPv6);
+ if (!ipv6->vtc_flow)
+ ipv6->vtc_flow =
+ RTE_BE32(MLX5_ENCAP_IPV6_VTC_FLOW);
+ if (!ipv6->hop_limits)
+ ipv6->hop_limits = MLX5_ENCAP_IPV6_HOP_LIMIT;
+ break;
+ case RTE_FLOW_ITEM_TYPE_UDP:
+ udp = (struct udp_hdr *)&buf[temp_size];
+ if (!ipv4 && !ipv6)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ (void *)items->type,
+ "ip header not found");
+ if (ipv4 && !ipv4->next_proto_id)
+ ipv4->next_proto_id = IPPROTO_UDP;
+ else if (ipv6 && !ipv6->proto)
+ ipv6->proto = IPPROTO_UDP;
+ break;
+ case RTE_FLOW_ITEM_TYPE_VXLAN:
+ vxlan = (struct rte_vxlan_hdr *)&buf[temp_size];
+ if (!udp)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ (void *)items->type,
+ "udp header not found");
+ if (!udp->dst_port)
+ udp->dst_port = RTE_BE16(MLX5_UDP_PORT_VXLAN);
+ if (!vxlan->vx_flags)
+ vxlan->vx_flags =
+ RTE_BE32(MLX5_ENCAP_VXLAN_FLAGS);
+ break;
+ case RTE_FLOW_ITEM_TYPE_VXLAN_GPE:
+ vxlan_gpe = (struct rte_vxlan_gpe_hdr *)&buf[temp_size];
+ if (!udp)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ (void *)items->type,
+ "udp header not found");
+ if (!vxlan_gpe->proto)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ (void *)items->type,
+ "next protocol not found");
+ if (!udp->dst_port)
+ udp->dst_port =
+ RTE_BE16(MLX5_UDP_PORT_VXLAN_GPE);
+ if (!vxlan_gpe->vx_flags)
+ vxlan_gpe->vx_flags =
+ MLX5_ENCAP_VXLAN_GPE_FLAGS;
+ break;
+ case RTE_FLOW_ITEM_TYPE_GRE:
+ case RTE_FLOW_ITEM_TYPE_NVGRE:
+ gre = (struct gre_hdr *)&buf[temp_size];
+ if (!gre->proto)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ (void *)items->type,
+ "next protocol not found");
+ if (!ipv4 && !ipv6)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ (void *)items->type,
+ "ip header not found");
+ if (ipv4 && !ipv4->next_proto_id)
+ ipv4->next_proto_id = IPPROTO_GRE;
+ else if (ipv6 && !ipv6->proto)
+ ipv6->proto = IPPROTO_GRE;
+ break;
+ case RTE_FLOW_ITEM_TYPE_VOID:
+ break;
+ default:
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ (void *)items->type,
+ "unsupported item type");
+ break;
+ }
+ temp_size += len;
+ }
+ *size = temp_size;
+ return 0;
+}
+
+/**
+ * Convert L2 encap action to DV specification.
+ *
+ * @param[in] dev
+ * Pointer to rte_eth_dev structure.
+ * @param[in] action
+ * Pointer to action structure.
+ * @param[in, out] dev_flow
+ * Pointer to the mlx5_flow.
+ * @param[in] transfer
+ * Mark if the flow is E-Switch flow.
+ * @param[out] error
+ * Pointer to the error structure.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+static int
+flow_dv_create_action_l2_encap(struct rte_eth_dev *dev,
+ const struct rte_flow_action *action,
+ struct mlx5_flow *dev_flow,
+ uint8_t transfer,
+ struct rte_flow_error *error)
+{
+ const struct rte_flow_item *encap_data;
+ const struct rte_flow_action_raw_encap *raw_encap_data;
+ struct mlx5_flow_dv_encap_decap_resource res = {
+ .reformat_type =
+ MLX5DV_FLOW_ACTION_PACKET_REFORMAT_TYPE_L2_TO_L2_TUNNEL,
+ .ft_type = transfer ? MLX5DV_FLOW_TABLE_TYPE_FDB :
+ MLX5DV_FLOW_TABLE_TYPE_NIC_TX,
+ };
+
+ if (action->type == RTE_FLOW_ACTION_TYPE_RAW_ENCAP) {
+ raw_encap_data =
+ (const struct rte_flow_action_raw_encap *)action->conf;
+ res.size = raw_encap_data->size;
+ memcpy(res.buf, raw_encap_data->data, res.size);
+ } else {
+ if (action->type == RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP)
+ encap_data =
+ ((const struct rte_flow_action_vxlan_encap *)
+ action->conf)->definition;
+ else
+ encap_data =
+ ((const struct rte_flow_action_nvgre_encap *)
+ action->conf)->definition;
+ if (flow_dv_convert_encap_data(encap_data, res.buf,
+ &res.size, error))
+ return -rte_errno;
+ }
+ if (flow_dv_encap_decap_resource_register(dev, &res, dev_flow, error))
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ NULL, "can't create L2 encap action");
+ return 0;
+}
+
+/**
+ * Convert L2 decap action to DV specification.
+ *
+ * @param[in] dev
+ * Pointer to rte_eth_dev structure.
+ * @param[in, out] dev_flow
+ * Pointer to the mlx5_flow.
+ * @param[in] transfer
+ * Mark if the flow is E-Switch flow.
+ * @param[out] error
+ * Pointer to the error structure.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+static int
+flow_dv_create_action_l2_decap(struct rte_eth_dev *dev,
+ struct mlx5_flow *dev_flow,
+ uint8_t transfer,
+ struct rte_flow_error *error)
+{
+ struct mlx5_flow_dv_encap_decap_resource res = {
+ .size = 0,
+ .reformat_type =
+ MLX5DV_FLOW_ACTION_PACKET_REFORMAT_TYPE_L2_TUNNEL_TO_L2,
+ .ft_type = transfer ? MLX5DV_FLOW_TABLE_TYPE_FDB :
+ MLX5DV_FLOW_TABLE_TYPE_NIC_RX,
+ };
+
+ if (flow_dv_encap_decap_resource_register(dev, &res, dev_flow, error))
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ NULL, "can't create L2 decap action");
+ return 0;
+}
+
+/**
+ * Convert raw decap/encap (L3 tunnel) action to DV specification.
+ *
+ * @param[in] dev
+ * Pointer to rte_eth_dev structure.
+ * @param[in] action
+ * Pointer to action structure.
+ * @param[in, out] dev_flow
+ * Pointer to the mlx5_flow.
+ * @param[in] attr
+ * Pointer to the flow attributes.
+ * @param[out] error
+ * Pointer to the error structure.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+static int
+flow_dv_create_action_raw_encap(struct rte_eth_dev *dev,
+ const struct rte_flow_action *action,
+ struct mlx5_flow *dev_flow,
+ const struct rte_flow_attr *attr,
+ struct rte_flow_error *error)
+{
+ const struct rte_flow_action_raw_encap *encap_data;
+ struct mlx5_flow_dv_encap_decap_resource res;
+
+ encap_data = (const struct rte_flow_action_raw_encap *)action->conf;
+ res.size = encap_data->size;
+ memcpy(res.buf, encap_data->data, res.size);
+ res.reformat_type = attr->egress ?
+ MLX5DV_FLOW_ACTION_PACKET_REFORMAT_TYPE_L2_TO_L3_TUNNEL :
+ MLX5DV_FLOW_ACTION_PACKET_REFORMAT_TYPE_L3_TUNNEL_TO_L2;
+ if (attr->transfer)
+ res.ft_type = MLX5DV_FLOW_TABLE_TYPE_FDB;
+ else
+ res.ft_type = attr->egress ? MLX5DV_FLOW_TABLE_TYPE_NIC_TX :
+ MLX5DV_FLOW_TABLE_TYPE_NIC_RX;
+ if (flow_dv_encap_decap_resource_register(dev, &res, dev_flow, error))
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ NULL, "can't create encap action");
+ return 0;
+}
+
+/**
+ * Validate the modify-header actions.
+ *
+ * @param[in] action_flags
+ * Holds the actions detected until now.
+ * @param[in] action
+ * Pointer to the modify action.
+ * @param[out] error
+ * Pointer to error structure.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+static int
+flow_dv_validate_action_modify_hdr(const uint64_t action_flags,
+ const struct rte_flow_action *action,
+ struct rte_flow_error *error)
+{
+ if (action->type != RTE_FLOW_ACTION_TYPE_DEC_TTL && !action->conf)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION_CONF,
+ NULL, "action configuration not set");
+ if (action_flags & MLX5_FLOW_ENCAP_ACTIONS)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION, NULL,
+ "can't have encap action before"
+ " modify action");
+ return 0;
+}
+
+/**
+ * Validate the modify-header MAC address actions.
+ *
+ * @param[in] action_flags
+ * Holds the actions detected until now.
+ * @param[in] action
+ * Pointer to the modify action.
+ * @param[in] item_flags
+ * Holds the items detected.
+ * @param[out] error
+ * Pointer to error structure.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+static int
+flow_dv_validate_action_modify_mac(const uint64_t action_flags,
+ const struct rte_flow_action *action,
+ const uint64_t item_flags,
+ struct rte_flow_error *error)
+{
+ int ret = 0;
+
+ ret = flow_dv_validate_action_modify_hdr(action_flags, action, error);
+ if (!ret) {
+ if (!(item_flags & MLX5_FLOW_LAYER_L2))
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ NULL,
+ "no L2 item in pattern");
+ }
+ return ret;
+}
+
+/**
+ * Validate the modify-header IPv4 address actions.
+ *
+ * @param[in] action_flags
+ * Holds the actions detected until now.
+ * @param[in] action
+ * Pointer to the modify action.
+ * @param[in] item_flags
+ * Holds the items detected.
+ * @param[out] error
+ * Pointer to error structure.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+static int
+flow_dv_validate_action_modify_ipv4(const uint64_t action_flags,
+ const struct rte_flow_action *action,
+ const uint64_t item_flags,
+ struct rte_flow_error *error)
+{
+ int ret = 0;
+
+ ret = flow_dv_validate_action_modify_hdr(action_flags, action, error);
+ if (!ret) {
+ if (!(item_flags & MLX5_FLOW_LAYER_L3_IPV4))
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ NULL,
+ "no ipv4 item in pattern");
+ }
+ return ret;
+}
-#include <sys/queue.h>
-#include <stdalign.h>
-#include <stdint.h>
-#include <string.h>
+/**
+ * Validate the modify-header IPv6 address actions.
+ *
+ * @param[in] action_flags
+ * Holds the actions detected until now.
+ * @param[in] action
+ * Pointer to the modify action.
+ * @param[in] item_flags
+ * Holds the items detected.
+ * @param[out] error
+ * Pointer to error structure.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+static int
+flow_dv_validate_action_modify_ipv6(const uint64_t action_flags,
+ const struct rte_flow_action *action,
+ const uint64_t item_flags,
+ struct rte_flow_error *error)
+{
+ int ret = 0;
-/* Verbs header. */
-/* ISO C doesn't support unnamed structs/unions, disabling -pedantic. */
-#ifdef PEDANTIC
-#pragma GCC diagnostic ignored "-Wpedantic"
-#endif
-#include <infiniband/verbs.h>
-#ifdef PEDANTIC
-#pragma GCC diagnostic error "-Wpedantic"
-#endif
+ ret = flow_dv_validate_action_modify_hdr(action_flags, action, error);
+ if (!ret) {
+ if (!(item_flags & MLX5_FLOW_LAYER_L3_IPV6))
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ NULL,
+ "no ipv6 item in pattern");
+ }
+ return ret;
+}
-#include <rte_common.h>
-#include <rte_ether.h>
-#include <rte_eth_ctrl.h>
-#include <rte_ethdev_driver.h>
-#include <rte_flow.h>
-#include <rte_flow_driver.h>
-#include <rte_malloc.h>
-#include <rte_ip.h>
+/**
+ * Validate the modify-header TP actions.
+ *
+ * @param[in] action_flags
+ * Holds the actions detected until now.
+ * @param[in] action
+ * Pointer to the modify action.
+ * @param[in] item_flags
+ * Holds the items detected.
+ * @param[out] error
+ * Pointer to error structure.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+static int
+flow_dv_validate_action_modify_tp(const uint64_t action_flags,
+ const struct rte_flow_action *action,
+ const uint64_t item_flags,
+ struct rte_flow_error *error)
+{
+ int ret = 0;
-#include "mlx5.h"
-#include "mlx5_defs.h"
-#include "mlx5_prm.h"
-#include "mlx5_glue.h"
-#include "mlx5_flow.h"
+ ret = flow_dv_validate_action_modify_hdr(action_flags, action, error);
+ if (!ret) {
+ if (!(item_flags & MLX5_FLOW_LAYER_L4))
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ NULL, "no transport layer "
+ "in pattern");
+ }
+ return ret;
+}
-#ifdef HAVE_IBV_FLOW_DV_SUPPORT
+/**
+ * Validate the modify-header TTL actions.
+ *
+ * @param[in] action_flags
+ * Holds the actions detected until now.
+ * @param[in] action
+ * Pointer to the modify action.
+ * @param[in] item_flags
+ * Holds the items detected.
+ * @param[out] error
+ * Pointer to error structure.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+static int
+flow_dv_validate_action_modify_ttl(const uint64_t action_flags,
+ const struct rte_flow_action *action,
+ const uint64_t item_flags,
+ struct rte_flow_error *error)
+{
+ int ret = 0;
+
+ ret = flow_dv_validate_action_modify_hdr(action_flags, action, error);
+ if (!ret) {
+ if (!(item_flags & MLX5_FLOW_LAYER_L3))
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ NULL,
+ "no IP protocol in pattern");
+ }
+ return ret;
+}
+
+/**
+ * Validate jump action.
+ *
+ * @param[in] action
+ * Pointer to the modify action.
+ * @param[in] group
+ * The group of the current flow.
+ * @param[out] error
+ * Pointer to error structure.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+static int
+flow_dv_validate_action_jump(const struct rte_flow_action *action,
+ uint32_t group,
+ struct rte_flow_error *error)
+{
+ if (action->type != RTE_FLOW_ACTION_TYPE_JUMP && !action->conf)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION_CONF,
+ NULL, "action configuration not set");
+ if (group >= ((const struct rte_flow_action_jump *)action->conf)->group)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION, NULL,
+ "target group must be higher then"
+ " the current flow group");
+ return 0;
+}
+
+/*
+ * Validate the port_id action.
+ *
+ * @param[in] dev
+ * Pointer to rte_eth_dev structure.
+ * @param[in] action_flags
+ * Bit-fields that holds the actions detected until now.
+ * @param[in] action
+ * Port_id RTE action structure.
+ * @param[in] attr
+ * Attributes of flow that includes this action.
+ * @param[out] error
+ * Pointer to error structure.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+static int
+flow_dv_validate_action_port_id(struct rte_eth_dev *dev,
+ uint64_t action_flags,
+ const struct rte_flow_action *action,
+ const struct rte_flow_attr *attr,
+ struct rte_flow_error *error)
+{
+ const struct rte_flow_action_port_id *port_id;
+ uint16_t port;
+ uint16_t esw_domain_id;
+ uint16_t act_port_domain_id;
+ int ret;
+
+ if (!attr->transfer)
+ return rte_flow_error_set(error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+ NULL,
+ "port id action is valid in transfer"
+ " mode only");
+ if (!action || !action->conf)
+ return rte_flow_error_set(error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ACTION_CONF,
+ NULL,
+ "port id action parameters must be"
+ " specified");
+ if (action_flags & (MLX5_FLOW_FATE_ACTIONS |
+ MLX5_FLOW_FATE_ESWITCH_ACTIONS))
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION, NULL,
+ "can have only one fate actions in"
+ " a flow");
+ ret = mlx5_port_to_eswitch_info(dev->data->port_id,
+ &esw_domain_id, NULL);
+ if (ret < 0)
+ return rte_flow_error_set(error, -ret,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+ NULL,
+ "failed to obtain E-Switch info");
+ port_id = action->conf;
+ port = port_id->original ? dev->data->port_id : port_id->id;
+ ret = mlx5_port_to_eswitch_info(port, &act_port_domain_id, NULL);
+ if (ret)
+ return rte_flow_error_set
+ (error, -ret,
+ RTE_FLOW_ERROR_TYPE_ACTION_CONF, port_id,
+ "failed to obtain E-Switch port id for port");
+ if (act_port_domain_id != esw_domain_id)
+ return rte_flow_error_set
+ (error, -ret,
+ RTE_FLOW_ERROR_TYPE_ACTION, NULL,
+ "port does not belong to"
+ " E-Switch being configured");
+ return 0;
+}
+
+/**
+ * Find existing modify-header resource or create and register a new one.
+ *
+ * @param dev[in, out]
+ * Pointer to rte_eth_dev structure.
+ * @param[in, out] resource
+ * Pointer to modify-header resource.
+ * @parm[in, out] dev_flow
+ * Pointer to the dev_flow.
+ * @param[out] error
+ * pointer to error structure.
+ *
+ * @return
+ * 0 on success otherwise -errno and errno is set.
+ */
+static int
+flow_dv_modify_hdr_resource_register
+ (struct rte_eth_dev *dev,
+ struct mlx5_flow_dv_modify_hdr_resource *resource,
+ struct mlx5_flow *dev_flow,
+ struct rte_flow_error *error)
+{
+ struct mlx5_priv *priv = dev->data->dev_private;
+ struct mlx5_ibv_shared *sh = priv->sh;
+ struct mlx5_flow_dv_modify_hdr_resource *cache_resource;
+ struct mlx5dv_dr_domain *ns;
+
+ if (resource->ft_type == MLX5DV_FLOW_TABLE_TYPE_FDB)
+ ns = sh->fdb_domain;
+ else if (resource->ft_type == MLX5DV_FLOW_TABLE_TYPE_NIC_TX)
+ ns = sh->tx_domain;
+ else
+ ns = sh->rx_domain;
+ resource->flags =
+ dev_flow->flow->group ? 0 : MLX5DV_DR_ACTION_FLAGS_ROOT_LEVEL;
+ /* Lookup a matching resource from cache. */
+ LIST_FOREACH(cache_resource, &sh->modify_cmds, next) {
+ if (resource->ft_type == cache_resource->ft_type &&
+ resource->actions_num == cache_resource->actions_num &&
+ resource->flags == cache_resource->flags &&
+ !memcmp((const void *)resource->actions,
+ (const void *)cache_resource->actions,
+ (resource->actions_num *
+ sizeof(resource->actions[0])))) {
+ DRV_LOG(DEBUG, "modify-header resource %p: refcnt %d++",
+ (void *)cache_resource,
+ rte_atomic32_read(&cache_resource->refcnt));
+ rte_atomic32_inc(&cache_resource->refcnt);
+ dev_flow->dv.modify_hdr = cache_resource;
+ return 0;
+ }
+ }
+ /* Register new modify-header resource. */
+ cache_resource = rte_calloc(__func__, 1, sizeof(*cache_resource), 0);
+ if (!cache_resource)
+ return rte_flow_error_set(error, ENOMEM,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
+ "cannot allocate resource memory");
+ *cache_resource = *resource;
+ cache_resource->verbs_action =
+ mlx5_glue->dv_create_flow_action_modify_header
+ (sh->ctx, cache_resource->ft_type,
+ ns, cache_resource->flags,
+ cache_resource->actions_num *
+ sizeof(cache_resource->actions[0]),
+ (uint64_t *)cache_resource->actions);
+ if (!cache_resource->verbs_action) {
+ rte_free(cache_resource);
+ return rte_flow_error_set(error, ENOMEM,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+ NULL, "cannot create action");
+ }
+ rte_atomic32_init(&cache_resource->refcnt);
+ rte_atomic32_inc(&cache_resource->refcnt);
+ LIST_INSERT_HEAD(&sh->modify_cmds, cache_resource, next);
+ dev_flow->dv.modify_hdr = cache_resource;
+ DRV_LOG(DEBUG, "new modify-header resource %p: refcnt %d++",
+ (void *)cache_resource,
+ rte_atomic32_read(&cache_resource->refcnt));
+ return 0;
+}
+
+/**
+ * Get or create a flow counter.
+ *
+ * @param[in] dev
+ * Pointer to the Ethernet device structure.
+ * @param[in] shared
+ * Indicate if this counter is shared with other flows.
+ * @param[in] id
+ * Counter identifier.
+ *
+ * @return
+ * pointer to flow counter on success, NULL otherwise and rte_errno is set.
+ */
+static struct mlx5_flow_counter *
+flow_dv_counter_new(struct rte_eth_dev *dev, uint32_t shared, uint32_t id)
+{
+ struct mlx5_priv *priv = dev->data->dev_private;
+ struct mlx5_flow_counter *cnt = NULL;
+ struct mlx5_devx_counter_set *dcs = NULL;
+ int ret;
+
+ if (!priv->config.devx) {
+ ret = -ENOTSUP;
+ goto error_exit;
+ }
+ if (shared) {
+ LIST_FOREACH(cnt, &priv->flow_counters, next) {
+ if (cnt->shared && cnt->id == id) {
+ cnt->ref_cnt++;
+ return cnt;
+ }
+ }
+ }
+ cnt = rte_calloc(__func__, 1, sizeof(*cnt), 0);
+ dcs = rte_calloc(__func__, 1, sizeof(*dcs), 0);
+ if (!dcs || !cnt) {
+ ret = -ENOMEM;
+ goto error_exit;
+ }
+ ret = mlx5_devx_cmd_flow_counter_alloc(priv->sh->ctx, dcs);
+ if (ret)
+ goto error_exit;
+ struct mlx5_flow_counter tmpl = {
+ .shared = shared,
+ .ref_cnt = 1,
+ .id = id,
+ .dcs = dcs,
+ };
+ tmpl.action = mlx5_glue->dv_create_flow_action_counter(dcs->obj, 0);
+ if (!tmpl.action) {
+ ret = errno;
+ goto error_exit;
+ }
+ *cnt = tmpl;
+ LIST_INSERT_HEAD(&priv->flow_counters, cnt, next);
+ return cnt;
+error_exit:
+ rte_free(cnt);
+ rte_free(dcs);
+ rte_errno = -ret;
+ return NULL;
+}
+
+/**
+ * Release a flow counter.
+ *
+ * @param[in] counter
+ * Pointer to the counter handler.
+ */
+static void
+flow_dv_counter_release(struct mlx5_flow_counter *counter)
+{
+ int ret;
+
+ if (!counter)
+ return;
+ if (--counter->ref_cnt == 0) {
+ ret = mlx5_devx_cmd_flow_counter_free(counter->dcs->obj);
+ if (ret)
+ DRV_LOG(ERR, "Failed to free devx counters, %d", ret);
+ LIST_REMOVE(counter, next);
+ rte_free(counter->dcs);
+ rte_free(counter);
+ }
+}
/**
* Verify the @p attributes will be correctly understood by the NIC and store
const struct rte_flow_attr *attributes,
struct rte_flow_error *error)
{
- struct priv *priv = dev->data->dev_private;
+ struct mlx5_priv *priv = dev->data->dev_private;
uint32_t priority_max = priv->config.flow_prio - 1;
+#ifndef HAVE_MLX5DV_DR
if (attributes->group)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ATTR_GROUP,
NULL,
"groups is not supported");
+#endif
if (attributes->priority != MLX5_FLOW_PRIO_RSVD &&
attributes->priority >= priority_max)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ATTR_PRIORITY,
NULL,
"priority out of range");
- if (attributes->transfer)
- return rte_flow_error_set(error, ENOTSUP,
- RTE_FLOW_ERROR_TYPE_ATTR_TRANSFER,
- NULL,
- "transfer is not supported");
+ if (attributes->transfer) {
+ if (!priv->config.dv_esw_en)
+ return rte_flow_error_set
+ (error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
+ "E-Switch dr is not supported");
+ if (!(priv->representor || priv->master))
+ return rte_flow_error_set
+ (error, EINVAL, RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+ NULL, "E-Switch configurationd can only be"
+ " done by a master or a representor device");
+ if (attributes->egress)
+ return rte_flow_error_set
+ (error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, attributes,
+ "egress is not supported");
+ if (attributes->group >= MLX5_MAX_TABLES_FDB)
+ return rte_flow_error_set
+ (error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ATTR_TRANSFER,
+ NULL, "group must be smaller than "
+ RTE_STR(MLX5_MAX_FDB_TABLES));
+ }
if (!(attributes->egress ^ attributes->ingress))
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ATTR, NULL,
* Pointer to the error structure.
*
* @return
- * 0 on success, a negative errno value otherwise and rte_ernno is set.
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_validate(struct rte_eth_dev *dev, const struct rte_flow_attr *attr,
struct rte_flow_error *error)
{
int ret;
- uint32_t action_flags = 0;
- uint32_t item_flags = 0;
- int tunnel = 0;
+ uint64_t action_flags = 0;
+ uint64_t item_flags = 0;
+ uint64_t last_item = 0;
uint8_t next_protocol = 0xff;
int actions_n = 0;
if (ret < 0)
return ret;
for (; items->type != RTE_FLOW_ITEM_TYPE_END; items++) {
+ int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
switch (items->type) {
case RTE_FLOW_ITEM_TYPE_VOID:
break;
+ case RTE_FLOW_ITEM_TYPE_PORT_ID:
+ ret = flow_dv_validate_item_port_id
+ (dev, items, attr, item_flags, error);
+ if (ret < 0)
+ return ret;
+ last_item |= MLX5_FLOW_ITEM_PORT_ID;
+ break;
case RTE_FLOW_ITEM_TYPE_ETH:
ret = mlx5_flow_validate_item_eth(items, item_flags,
error);
if (ret < 0)
return ret;
- item_flags |= tunnel ? MLX5_FLOW_LAYER_INNER_L2 :
- MLX5_FLOW_LAYER_OUTER_L2;
+ last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L2 :
+ MLX5_FLOW_LAYER_OUTER_L2;
break;
case RTE_FLOW_ITEM_TYPE_VLAN:
ret = mlx5_flow_validate_item_vlan(items, item_flags,
error);
if (ret < 0)
return ret;
- item_flags |= tunnel ? MLX5_FLOW_LAYER_INNER_VLAN :
- MLX5_FLOW_LAYER_OUTER_VLAN;
+ last_item = tunnel ? MLX5_FLOW_LAYER_INNER_VLAN :
+ MLX5_FLOW_LAYER_OUTER_VLAN;
break;
case RTE_FLOW_ITEM_TYPE_IPV4:
ret = mlx5_flow_validate_item_ipv4(items, item_flags,
- error);
+ NULL, error);
if (ret < 0)
return ret;
- item_flags |= tunnel ? MLX5_FLOW_LAYER_INNER_L3_IPV4 :
- MLX5_FLOW_LAYER_OUTER_L3_IPV4;
+ last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L3_IPV4 :
+ MLX5_FLOW_LAYER_OUTER_L3_IPV4;
if (items->mask != NULL &&
((const struct rte_flow_item_ipv4 *)
- items->mask)->hdr.next_proto_id)
+ items->mask)->hdr.next_proto_id) {
next_protocol =
((const struct rte_flow_item_ipv4 *)
(items->spec))->hdr.next_proto_id;
+ next_protocol &=
+ ((const struct rte_flow_item_ipv4 *)
+ (items->mask))->hdr.next_proto_id;
+ } else {
+ /* Reset for inner layer. */
+ next_protocol = 0xff;
+ }
break;
case RTE_FLOW_ITEM_TYPE_IPV6:
ret = mlx5_flow_validate_item_ipv6(items, item_flags,
- error);
+ NULL, error);
if (ret < 0)
return ret;
- item_flags |= tunnel ? MLX5_FLOW_LAYER_INNER_L3_IPV6 :
- MLX5_FLOW_LAYER_OUTER_L3_IPV6;
+ last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L3_IPV6 :
+ MLX5_FLOW_LAYER_OUTER_L3_IPV6;
if (items->mask != NULL &&
((const struct rte_flow_item_ipv6 *)
- items->mask)->hdr.proto)
+ items->mask)->hdr.proto) {
next_protocol =
((const struct rte_flow_item_ipv6 *)
items->spec)->hdr.proto;
+ next_protocol &=
+ ((const struct rte_flow_item_ipv6 *)
+ items->mask)->hdr.proto;
+ } else {
+ /* Reset for inner layer. */
+ next_protocol = 0xff;
+ }
+ break;
+ case RTE_FLOW_ITEM_TYPE_TCP:
+ ret = mlx5_flow_validate_item_tcp
+ (items, item_flags,
+ next_protocol,
+ &rte_flow_item_tcp_mask,
+ error);
+ if (ret < 0)
+ return ret;
+ last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L4_TCP :
+ MLX5_FLOW_LAYER_OUTER_L4_TCP;
break;
case RTE_FLOW_ITEM_TYPE_UDP:
ret = mlx5_flow_validate_item_udp(items, item_flags,
error);
if (ret < 0)
return ret;
- item_flags |= tunnel ? MLX5_FLOW_LAYER_INNER_L4_UDP :
- MLX5_FLOW_LAYER_OUTER_L4_UDP;
+ last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L4_UDP :
+ MLX5_FLOW_LAYER_OUTER_L4_UDP;
break;
- case RTE_FLOW_ITEM_TYPE_TCP:
- ret = mlx5_flow_validate_item_tcp
- (items, item_flags,
- next_protocol,
- &rte_flow_item_tcp_mask,
- error);
+ case RTE_FLOW_ITEM_TYPE_GRE:
+ case RTE_FLOW_ITEM_TYPE_NVGRE:
+ ret = mlx5_flow_validate_item_gre(items, item_flags,
+ next_protocol, error);
if (ret < 0)
return ret;
- item_flags |= tunnel ? MLX5_FLOW_LAYER_INNER_L4_TCP :
- MLX5_FLOW_LAYER_OUTER_L4_TCP;
+ last_item = MLX5_FLOW_LAYER_GRE;
break;
case RTE_FLOW_ITEM_TYPE_VXLAN:
ret = mlx5_flow_validate_item_vxlan(items, item_flags,
error);
if (ret < 0)
return ret;
- item_flags |= MLX5_FLOW_LAYER_VXLAN;
+ last_item = MLX5_FLOW_LAYER_VXLAN;
break;
case RTE_FLOW_ITEM_TYPE_VXLAN_GPE:
ret = mlx5_flow_validate_item_vxlan_gpe(items,
error);
if (ret < 0)
return ret;
- item_flags |= MLX5_FLOW_LAYER_VXLAN_GPE;
+ last_item = MLX5_FLOW_LAYER_VXLAN_GPE;
break;
- case RTE_FLOW_ITEM_TYPE_GRE:
- ret = mlx5_flow_validate_item_gre(items, item_flags,
- next_protocol, error);
+ case RTE_FLOW_ITEM_TYPE_MPLS:
+ ret = mlx5_flow_validate_item_mpls(dev, items,
+ item_flags,
+ last_item, error);
if (ret < 0)
return ret;
- item_flags |= MLX5_FLOW_LAYER_GRE;
+ last_item = MLX5_FLOW_LAYER_MPLS;
break;
- case RTE_FLOW_ITEM_TYPE_MPLS:
- ret = mlx5_flow_validate_item_mpls(items, item_flags,
- next_protocol,
- error);
+ case RTE_FLOW_ITEM_TYPE_META:
+ ret = flow_dv_validate_item_meta(dev, items, attr,
+ error);
if (ret < 0)
return ret;
- item_flags |= MLX5_FLOW_LAYER_MPLS;
+ last_item = MLX5_FLOW_ITEM_METADATA;
break;
default:
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ITEM,
NULL, "item not supported");
}
+ item_flags |= last_item;
}
for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
if (actions_n == MLX5_DV_MAX_NUMBER_OF_ACTIONS)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION,
actions, "too many actions");
- tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
switch (actions->type) {
case RTE_FLOW_ACTION_TYPE_VOID:
break;
+ case RTE_FLOW_ACTION_TYPE_PORT_ID:
+ ret = flow_dv_validate_action_port_id(dev,
+ action_flags,
+ actions,
+ attr,
+ error);
+ if (ret)
+ return ret;
+ action_flags |= MLX5_FLOW_ACTION_PORT_ID;
+ ++actions_n;
+ break;
case RTE_FLOW_ACTION_TYPE_FLAG:
ret = mlx5_flow_validate_action_flag(action_flags,
attr, error);
attr, error);
if (ret < 0)
return ret;
- action_flags |= MLX5_FLOW_ACTION_QUEUE;
- ++actions_n;
+ action_flags |= MLX5_FLOW_ACTION_QUEUE;
+ ++actions_n;
+ break;
+ case RTE_FLOW_ACTION_TYPE_RSS:
+ ret = mlx5_flow_validate_action_rss(actions,
+ action_flags, dev,
+ attr, item_flags,
+ error);
+ if (ret < 0)
+ return ret;
+ action_flags |= MLX5_FLOW_ACTION_RSS;
+ ++actions_n;
+ break;
+ case RTE_FLOW_ACTION_TYPE_COUNT:
+ ret = flow_dv_validate_action_count(dev, error);
+ if (ret < 0)
+ return ret;
+ action_flags |= MLX5_FLOW_ACTION_COUNT;
+ ++actions_n;
+ break;
+ case RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP:
+ case RTE_FLOW_ACTION_TYPE_NVGRE_ENCAP:
+ ret = flow_dv_validate_action_l2_encap(action_flags,
+ actions, attr,
+ error);
+ if (ret < 0)
+ return ret;
+ action_flags |= actions->type ==
+ RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP ?
+ MLX5_FLOW_ACTION_VXLAN_ENCAP :
+ MLX5_FLOW_ACTION_NVGRE_ENCAP;
+ ++actions_n;
+ break;
+ case RTE_FLOW_ACTION_TYPE_VXLAN_DECAP:
+ case RTE_FLOW_ACTION_TYPE_NVGRE_DECAP:
+ ret = flow_dv_validate_action_l2_decap(action_flags,
+ attr, error);
+ if (ret < 0)
+ return ret;
+ action_flags |= actions->type ==
+ RTE_FLOW_ACTION_TYPE_VXLAN_DECAP ?
+ MLX5_FLOW_ACTION_VXLAN_DECAP :
+ MLX5_FLOW_ACTION_NVGRE_DECAP;
+ ++actions_n;
+ break;
+ case RTE_FLOW_ACTION_TYPE_RAW_ENCAP:
+ ret = flow_dv_validate_action_raw_encap(action_flags,
+ actions, attr,
+ error);
+ if (ret < 0)
+ return ret;
+ action_flags |= MLX5_FLOW_ACTION_RAW_ENCAP;
+ ++actions_n;
+ break;
+ case RTE_FLOW_ACTION_TYPE_RAW_DECAP:
+ ret = flow_dv_validate_action_raw_decap(action_flags,
+ actions, attr,
+ error);
+ if (ret < 0)
+ return ret;
+ action_flags |= MLX5_FLOW_ACTION_RAW_DECAP;
+ ++actions_n;
+ break;
+ case RTE_FLOW_ACTION_TYPE_SET_MAC_SRC:
+ case RTE_FLOW_ACTION_TYPE_SET_MAC_DST:
+ ret = flow_dv_validate_action_modify_mac(action_flags,
+ actions,
+ item_flags,
+ error);
+ if (ret < 0)
+ return ret;
+ /* Count all modify-header actions as one action. */
+ if (!(action_flags & MLX5_FLOW_MODIFY_HDR_ACTIONS))
+ ++actions_n;
+ action_flags |= actions->type ==
+ RTE_FLOW_ACTION_TYPE_SET_MAC_SRC ?
+ MLX5_FLOW_ACTION_SET_MAC_SRC :
+ MLX5_FLOW_ACTION_SET_MAC_DST;
+ break;
+
+ case RTE_FLOW_ACTION_TYPE_SET_IPV4_SRC:
+ case RTE_FLOW_ACTION_TYPE_SET_IPV4_DST:
+ ret = flow_dv_validate_action_modify_ipv4(action_flags,
+ actions,
+ item_flags,
+ error);
+ if (ret < 0)
+ return ret;
+ /* Count all modify-header actions as one action. */
+ if (!(action_flags & MLX5_FLOW_MODIFY_HDR_ACTIONS))
+ ++actions_n;
+ action_flags |= actions->type ==
+ RTE_FLOW_ACTION_TYPE_SET_IPV4_SRC ?
+ MLX5_FLOW_ACTION_SET_IPV4_SRC :
+ MLX5_FLOW_ACTION_SET_IPV4_DST;
break;
- case RTE_FLOW_ACTION_TYPE_RSS:
- ret = mlx5_flow_validate_action_rss(actions,
- action_flags, dev,
- attr, error);
+ case RTE_FLOW_ACTION_TYPE_SET_IPV6_SRC:
+ case RTE_FLOW_ACTION_TYPE_SET_IPV6_DST:
+ ret = flow_dv_validate_action_modify_ipv6(action_flags,
+ actions,
+ item_flags,
+ error);
if (ret < 0)
return ret;
- action_flags |= MLX5_FLOW_ACTION_RSS;
- ++actions_n;
+ /* Count all modify-header actions as one action. */
+ if (!(action_flags & MLX5_FLOW_MODIFY_HDR_ACTIONS))
+ ++actions_n;
+ action_flags |= actions->type ==
+ RTE_FLOW_ACTION_TYPE_SET_IPV6_SRC ?
+ MLX5_FLOW_ACTION_SET_IPV6_SRC :
+ MLX5_FLOW_ACTION_SET_IPV6_DST;
break;
- case RTE_FLOW_ACTION_TYPE_COUNT:
- ret = mlx5_flow_validate_action_count(dev, attr, error);
+ case RTE_FLOW_ACTION_TYPE_SET_TP_SRC:
+ case RTE_FLOW_ACTION_TYPE_SET_TP_DST:
+ ret = flow_dv_validate_action_modify_tp(action_flags,
+ actions,
+ item_flags,
+ error);
if (ret < 0)
return ret;
- action_flags |= MLX5_FLOW_ACTION_COUNT;
+ /* Count all modify-header actions as one action. */
+ if (!(action_flags & MLX5_FLOW_MODIFY_HDR_ACTIONS))
+ ++actions_n;
+ action_flags |= actions->type ==
+ RTE_FLOW_ACTION_TYPE_SET_TP_SRC ?
+ MLX5_FLOW_ACTION_SET_TP_SRC :
+ MLX5_FLOW_ACTION_SET_TP_DST;
+ break;
+ case RTE_FLOW_ACTION_TYPE_DEC_TTL:
+ case RTE_FLOW_ACTION_TYPE_SET_TTL:
+ ret = flow_dv_validate_action_modify_ttl(action_flags,
+ actions,
+ item_flags,
+ error);
+ if (ret < 0)
+ return ret;
+ /* Count all modify-header actions as one action. */
+ if (!(action_flags & MLX5_FLOW_MODIFY_HDR_ACTIONS))
+ ++actions_n;
+ action_flags |= actions->type ==
+ RTE_FLOW_ACTION_TYPE_SET_TTL ?
+ MLX5_FLOW_ACTION_SET_TTL :
+ MLX5_FLOW_ACTION_DEC_TTL;
+ break;
+ case RTE_FLOW_ACTION_TYPE_JUMP:
+ ret = flow_dv_validate_action_jump(actions,
+ attr->group, error);
+ if (ret)
+ return ret;
++actions_n;
+ action_flags |= MLX5_FLOW_ACTION_JUMP;
break;
default:
return rte_flow_error_set(error, ENOTSUP,
"action not supported");
}
}
- if (!(action_flags & MLX5_FLOW_FATE_ACTIONS) && attr->ingress)
- return rte_flow_error_set(error, EINVAL,
- RTE_FLOW_ERROR_TYPE_ACTION, actions,
- "no fate action is found");
+ /* Eswitch has few restrictions on using items and actions */
+ if (attr->transfer) {
+ if (action_flags & MLX5_FLOW_ACTION_FLAG)
+ return rte_flow_error_set(error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ NULL,
+ "unsupported action FLAG");
+ if (action_flags & MLX5_FLOW_ACTION_MARK)
+ return rte_flow_error_set(error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ NULL,
+ "unsupported action MARK");
+ if (action_flags & MLX5_FLOW_ACTION_QUEUE)
+ return rte_flow_error_set(error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ NULL,
+ "unsupported action QUEUE");
+ if (action_flags & MLX5_FLOW_ACTION_RSS)
+ return rte_flow_error_set(error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ NULL,
+ "unsupported action RSS");
+ if (!(action_flags & MLX5_FLOW_FATE_ESWITCH_ACTIONS))
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ actions,
+ "no fate action is found");
+ } else {
+ if (!(action_flags & MLX5_FLOW_FATE_ACTIONS) && attr->ingress)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ actions,
+ "no fate action is found");
+ }
return 0;
}
* Pointer to the list of items.
* @param[in] actions
* Pointer to the list of actions.
- * @param[out] item_flags
- * Pointer to bit mask of all items detected.
- * @param[out] action_flags
- * Pointer to bit mask of all actions detected.
* @param[out] error
* Pointer to the error structure.
*
* @return
* Pointer to mlx5_flow object on success,
- * otherwise NULL and rte_ernno is set.
+ * otherwise NULL and rte_errno is set.
*/
static struct mlx5_flow *
flow_dv_prepare(const struct rte_flow_attr *attr __rte_unused,
const struct rte_flow_item items[] __rte_unused,
const struct rte_flow_action actions[] __rte_unused,
- uint64_t *item_flags __rte_unused,
- uint64_t *action_flags __rte_unused,
struct rte_flow_error *error)
{
uint32_t size = sizeof(struct mlx5_flow);
return flow;
}
+#ifndef NDEBUG
+/**
+ * Sanity check for match mask and value. Similar to check_valid_spec() in
+ * kernel driver. If unmasked bit is present in value, it returns failure.
+ *
+ * @param match_mask
+ * pointer to match mask buffer.
+ * @param match_value
+ * pointer to match value buffer.
+ *
+ * @return
+ * 0 if valid, -EINVAL otherwise.
+ */
+static int
+flow_dv_check_valid_spec(void *match_mask, void *match_value)
+{
+ uint8_t *m = match_mask;
+ uint8_t *v = match_value;
+ unsigned int i;
+
+ for (i = 0; i < MLX5_ST_SZ_DB(fte_match_param); ++i) {
+ if (v[i] & ~m[i]) {
+ DRV_LOG(ERR,
+ "match_value differs from match_criteria"
+ " %p[%u] != %p[%u]",
+ match_value, i, match_mask, i);
+ return -EINVAL;
+ }
+ }
+ return 0;
+}
+#endif
+
/**
* Add Ethernet item to matcher and to the value.
*
* Flow pattern to translate.
* @param[in] inner
* Item is inner pattern.
+ * @param[in] group
+ * The group to insert the rule.
*/
static void
flow_dv_translate_item_ipv4(void *matcher, void *key,
const struct rte_flow_item *item,
- int inner)
+ int inner, uint32_t group)
{
const struct rte_flow_item_ipv4 *ipv4_m = item->mask;
const struct rte_flow_item_ipv4 *ipv4_v = item->spec;
char *l24_v;
uint8_t tos;
- if (!ipv4_v)
- return;
- if (!ipv4_m)
- ipv4_m = &nic_mask;
if (inner) {
headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
inner_headers);
outer_headers);
headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
}
- MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_version, 0xf);
+ if (group == 0)
+ MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_version, 0xf);
+ else
+ MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_version, 0x4);
MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_version, 4);
+ if (!ipv4_v)
+ return;
+ if (!ipv4_m)
+ ipv4_m = &nic_mask;
l24_m = MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_m,
dst_ipv4_dst_ipv6.ipv4_layout.ipv4);
l24_v = MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v,
* Flow pattern to translate.
* @param[in] inner
* Item is inner pattern.
+ * @param[in] group
+ * The group to insert the rule.
*/
static void
flow_dv_translate_item_ipv6(void *matcher, void *key,
const struct rte_flow_item *item,
- int inner)
+ int inner, uint32_t group)
{
const struct rte_flow_item_ipv6 *ipv6_m = item->mask;
const struct rte_flow_item_ipv6 *ipv6_v = item->spec;
int i;
int size;
- if (!ipv6_v)
- return;
- if (!ipv6_m)
- ipv6_m = &nic_mask;
if (inner) {
headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
inner_headers);
outer_headers);
headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
}
+ if (group == 0)
+ MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_version, 0xf);
+ else
+ MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_version, 0x6);
+ MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_version, 6);
+ if (!ipv6_v)
+ return;
+ if (!ipv6_m)
+ ipv6_m = &nic_mask;
size = sizeof(ipv6_m->hdr.dst_addr);
l24_m = MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_m,
dst_ipv4_dst_ipv6.ipv6_layout.ipv6);
memcpy(l24_m, ipv6_m->hdr.src_addr, size);
for (i = 0; i < size; ++i)
l24_v[i] = l24_m[i] & ipv6_v->hdr.src_addr[i];
- MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_version, 0xf);
- MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_version, 6);
/* TOS. */
vtc_m = rte_be_to_cpu_32(ipv6_m->hdr.vtc_flow);
vtc_v = rte_be_to_cpu_32(ipv6_m->hdr.vtc_flow & ipv6_v->hdr.vtc_flow);
void *headers_m;
void *headers_v;
- if (!tcp_v)
- return;
- if (!tcp_m)
- tcp_m = &rte_flow_item_tcp_mask;
if (inner) {
headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
inner_headers);
}
MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_protocol, 0xff);
MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, IPPROTO_TCP);
+ if (!tcp_v)
+ return;
+ if (!tcp_m)
+ tcp_m = &rte_flow_item_tcp_mask;
MLX5_SET(fte_match_set_lyr_2_4, headers_m, tcp_sport,
rte_be_to_cpu_16(tcp_m->hdr.src_port));
MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_sport,
void *headers_m;
void *headers_v;
- if (!udp_v)
- return;
- if (!udp_m)
- udp_m = &rte_flow_item_udp_mask;
if (inner) {
headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
inner_headers);
}
MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_protocol, 0xff);
MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, IPPROTO_UDP);
+ if (!udp_v)
+ return;
+ if (!udp_m)
+ udp_m = &rte_flow_item_udp_mask;
MLX5_SET(fte_match_set_lyr_2_4, headers_m, udp_sport,
rte_be_to_cpu_16(udp_m->hdr.src_port));
MLX5_SET(fte_match_set_lyr_2_4, headers_v, udp_sport,
void *misc_m = MLX5_ADDR_OF(fte_match_param, matcher, misc_parameters);
void *misc_v = MLX5_ADDR_OF(fte_match_param, key, misc_parameters);
- if (!gre_v)
- return;
- if (!gre_m)
- gre_m = &rte_flow_item_gre_mask;
if (inner) {
headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
inner_headers);
}
MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_protocol, 0xff);
MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, IPPROTO_GRE);
+ if (!gre_v)
+ return;
+ if (!gre_m)
+ gre_m = &rte_flow_item_gre_mask;
MLX5_SET(fte_match_set_misc, misc_m, gre_protocol,
rte_be_to_cpu_16(gre_m->protocol));
MLX5_SET(fte_match_set_misc, misc_v, gre_protocol,
int size;
int i;
+ flow_dv_translate_item_gre(matcher, key, item, inner);
if (!nvgre_v)
return;
if (!nvgre_m)
memcpy(gre_key_m, tni_flow_id_m, size);
for (i = 0; i < size; ++i)
gre_key_v[i] = gre_key_m[i] & tni_flow_id_v[i];
- flow_dv_translate_item_gre(matcher, key, item, inner);
}
/**
int size;
int i;
- if (!vxlan_v)
- return;
- if (!vxlan_m)
- vxlan_m = &rte_flow_item_vxlan_mask;
if (inner) {
headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
inner_headers);
MLX5_SET(fte_match_set_lyr_2_4, headers_m, udp_dport, 0xFFFF);
MLX5_SET(fte_match_set_lyr_2_4, headers_v, udp_dport, dport);
}
+ if (!vxlan_v)
+ return;
+ if (!vxlan_m)
+ vxlan_m = &rte_flow_item_vxlan_mask;
size = sizeof(vxlan_m->vni);
vni_m = MLX5_ADDR_OF(fte_match_set_misc, misc_m, vxlan_vni);
vni_v = MLX5_ADDR_OF(fte_match_set_misc, misc_v, vxlan_vni);
}
/**
- * Update the matcher and the value based the selected item.
+ * Add MPLS item to matcher and to the value.
*
* @param[in, out] matcher
* Flow matcher.
* Flow matcher value.
* @param[in] item
* Flow pattern to translate.
- * @param[in, out] dev_flow
- * Pointer to the mlx5_flow.
+ * @param[in] prev_layer
+ * The protocol layer indicated in previous item.
* @param[in] inner
* Item is inner pattern.
*/
static void
-flow_dv_create_item(void *matcher, void *key,
- const struct rte_flow_item *item,
- struct mlx5_flow *dev_flow,
- int inner)
+flow_dv_translate_item_mpls(void *matcher, void *key,
+ const struct rte_flow_item *item,
+ uint64_t prev_layer,
+ int inner)
{
- struct mlx5_flow_dv_matcher *tmatcher = matcher;
+ const uint32_t *in_mpls_m = item->mask;
+ const uint32_t *in_mpls_v = item->spec;
+ uint32_t *out_mpls_m = 0;
+ uint32_t *out_mpls_v = 0;
+ void *misc_m = MLX5_ADDR_OF(fte_match_param, matcher, misc_parameters);
+ void *misc_v = MLX5_ADDR_OF(fte_match_param, key, misc_parameters);
+ void *misc2_m = MLX5_ADDR_OF(fte_match_param, matcher,
+ misc_parameters_2);
+ void *misc2_v = MLX5_ADDR_OF(fte_match_param, key, misc_parameters_2);
+ void *headers_m = MLX5_ADDR_OF(fte_match_param, matcher, outer_headers);
+ void *headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
- switch (item->type) {
- case RTE_FLOW_ITEM_TYPE_VOID:
- case RTE_FLOW_ITEM_TYPE_END:
- break;
- case RTE_FLOW_ITEM_TYPE_ETH:
- flow_dv_translate_item_eth(tmatcher->mask.buf, key, item,
- inner);
- tmatcher->priority = MLX5_PRIORITY_MAP_L2;
- break;
- case RTE_FLOW_ITEM_TYPE_VLAN:
- flow_dv_translate_item_vlan(tmatcher->mask.buf, key, item,
- inner);
- break;
- case RTE_FLOW_ITEM_TYPE_IPV4:
- flow_dv_translate_item_ipv4(tmatcher->mask.buf, key, item,
- inner);
- tmatcher->priority = MLX5_PRIORITY_MAP_L3;
- dev_flow->dv.hash_fields |=
- mlx5_flow_hashfields_adjust(dev_flow, inner,
- MLX5_IPV4_LAYER_TYPES,
- MLX5_IPV4_IBV_RX_HASH);
- break;
- case RTE_FLOW_ITEM_TYPE_IPV6:
- flow_dv_translate_item_ipv6(tmatcher->mask.buf, key, item,
- inner);
- tmatcher->priority = MLX5_PRIORITY_MAP_L3;
- dev_flow->dv.hash_fields |=
- mlx5_flow_hashfields_adjust(dev_flow, inner,
- MLX5_IPV6_LAYER_TYPES,
- MLX5_IPV6_IBV_RX_HASH);
- break;
- case RTE_FLOW_ITEM_TYPE_TCP:
- flow_dv_translate_item_tcp(tmatcher->mask.buf, key, item,
- inner);
- tmatcher->priority = MLX5_PRIORITY_MAP_L4;
- dev_flow->dv.hash_fields |=
- mlx5_flow_hashfields_adjust(dev_flow, inner,
- ETH_RSS_TCP,
- (IBV_RX_HASH_SRC_PORT_TCP |
- IBV_RX_HASH_DST_PORT_TCP));
+ switch (prev_layer) {
+ case MLX5_FLOW_LAYER_OUTER_L4_UDP:
+ MLX5_SET(fte_match_set_lyr_2_4, headers_m, udp_dport, 0xffff);
+ MLX5_SET(fte_match_set_lyr_2_4, headers_v, udp_dport,
+ MLX5_UDP_PORT_MPLS);
break;
- case RTE_FLOW_ITEM_TYPE_UDP:
- flow_dv_translate_item_udp(tmatcher->mask.buf, key, item,
- inner);
- tmatcher->priority = MLX5_PRIORITY_MAP_L4;
- dev_flow->verbs.hash_fields |=
- mlx5_flow_hashfields_adjust(dev_flow, inner,
- ETH_RSS_TCP,
- (IBV_RX_HASH_SRC_PORT_TCP |
- IBV_RX_HASH_DST_PORT_TCP));
+ case MLX5_FLOW_LAYER_GRE:
+ MLX5_SET(fte_match_set_misc, misc_m, gre_protocol, 0xffff);
+ MLX5_SET(fte_match_set_misc, misc_v, gre_protocol,
+ ETHER_TYPE_MPLS);
break;
- case RTE_FLOW_ITEM_TYPE_NVGRE:
- flow_dv_translate_item_nvgre(tmatcher->mask.buf, key, item,
- inner);
+ default:
+ MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_protocol, 0xff);
+ MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol,
+ IPPROTO_MPLS);
break;
- case RTE_FLOW_ITEM_TYPE_GRE:
- flow_dv_translate_item_gre(tmatcher->mask.buf, key, item,
- inner);
+ }
+ if (!in_mpls_v)
+ return;
+ if (!in_mpls_m)
+ in_mpls_m = (const uint32_t *)&rte_flow_item_mpls_mask;
+ switch (prev_layer) {
+ case MLX5_FLOW_LAYER_OUTER_L4_UDP:
+ out_mpls_m =
+ (uint32_t *)MLX5_ADDR_OF(fte_match_set_misc2, misc2_m,
+ outer_first_mpls_over_udp);
+ out_mpls_v =
+ (uint32_t *)MLX5_ADDR_OF(fte_match_set_misc2, misc2_v,
+ outer_first_mpls_over_udp);
break;
- case RTE_FLOW_ITEM_TYPE_VXLAN:
- case RTE_FLOW_ITEM_TYPE_VXLAN_GPE:
- flow_dv_translate_item_vxlan(tmatcher->mask.buf, key, item,
- inner);
+ case MLX5_FLOW_LAYER_GRE:
+ out_mpls_m =
+ (uint32_t *)MLX5_ADDR_OF(fte_match_set_misc2, misc2_m,
+ outer_first_mpls_over_gre);
+ out_mpls_v =
+ (uint32_t *)MLX5_ADDR_OF(fte_match_set_misc2, misc2_v,
+ outer_first_mpls_over_gre);
break;
default:
+ /* Inner MPLS not over GRE is not supported. */
+ if (!inner) {
+ out_mpls_m =
+ (uint32_t *)MLX5_ADDR_OF(fte_match_set_misc2,
+ misc2_m,
+ outer_first_mpls);
+ out_mpls_v =
+ (uint32_t *)MLX5_ADDR_OF(fte_match_set_misc2,
+ misc2_v,
+ outer_first_mpls);
+ }
break;
}
+ if (out_mpls_m && out_mpls_v) {
+ *out_mpls_m = *in_mpls_m;
+ *out_mpls_v = *in_mpls_v & *in_mpls_m;
+ }
}
/**
- * Store the requested actions in an array.
+ * Add META item to matcher
*
- * @param[in] action
- * Flow action to translate.
- * @param[in, out] dev_flow
- * Pointer to the mlx5_flow.
+ * @param[in, out] matcher
+ * Flow matcher.
+ * @param[in, out] key
+ * Flow matcher value.
+ * @param[in] item
+ * Flow pattern to translate.
+ * @param[in] inner
+ * Item is inner pattern.
*/
static void
-flow_dv_create_action(const struct rte_flow_action *action,
- struct mlx5_flow *dev_flow)
+flow_dv_translate_item_meta(void *matcher, void *key,
+ const struct rte_flow_item *item)
{
- const struct rte_flow_action_queue *queue;
- const struct rte_flow_action_rss *rss;
- int actions_n = dev_flow->dv.actions_n;
- struct rte_flow *flow = dev_flow->flow;
+ const struct rte_flow_item_meta *meta_m;
+ const struct rte_flow_item_meta *meta_v;
+ void *misc2_m =
+ MLX5_ADDR_OF(fte_match_param, matcher, misc_parameters_2);
+ void *misc2_v =
+ MLX5_ADDR_OF(fte_match_param, key, misc_parameters_2);
- switch (action->type) {
- case RTE_FLOW_ACTION_TYPE_VOID:
- break;
- case RTE_FLOW_ACTION_TYPE_FLAG:
- dev_flow->dv.actions[actions_n].type = MLX5DV_FLOW_ACTION_TAG;
- dev_flow->dv.actions[actions_n].tag_value =
- MLX5_FLOW_MARK_DEFAULT;
- actions_n++;
- flow->actions |= MLX5_FLOW_ACTION_FLAG;
- break;
- case RTE_FLOW_ACTION_TYPE_MARK:
- dev_flow->dv.actions[actions_n].type = MLX5DV_FLOW_ACTION_TAG;
- dev_flow->dv.actions[actions_n].tag_value =
- ((const struct rte_flow_action_mark *)
- (action->conf))->id;
- flow->actions |= MLX5_FLOW_ACTION_MARK;
- actions_n++;
- break;
- case RTE_FLOW_ACTION_TYPE_DROP:
- dev_flow->dv.actions[actions_n].type = MLX5DV_FLOW_ACTION_DROP;
- flow->actions |= MLX5_FLOW_ACTION_DROP;
- break;
- case RTE_FLOW_ACTION_TYPE_QUEUE:
- queue = action->conf;
- flow->rss.queue_num = 1;
- (*flow->queue)[0] = queue->index;
- flow->actions |= MLX5_FLOW_ACTION_QUEUE;
- break;
- case RTE_FLOW_ACTION_TYPE_RSS:
- rss = action->conf;
- if (flow->queue)
- memcpy((*flow->queue), rss->queue,
- rss->queue_num * sizeof(uint16_t));
- flow->rss.queue_num = rss->queue_num;
- memcpy(flow->key, rss->key, MLX5_RSS_HASH_KEY_LEN);
- flow->rss.types = rss->types;
- flow->rss.level = rss->level;
- /* Added to array only in apply since we need the QP */
- flow->actions |= MLX5_FLOW_ACTION_RSS;
- break;
- default:
- break;
+ meta_m = (const void *)item->mask;
+ if (!meta_m)
+ meta_m = &rte_flow_item_meta_mask;
+ meta_v = (const void *)item->spec;
+ if (meta_v) {
+ MLX5_SET(fte_match_set_misc2, misc2_m, metadata_reg_a,
+ rte_be_to_cpu_32(meta_m->data));
+ MLX5_SET(fte_match_set_misc2, misc2_v, metadata_reg_a,
+ rte_be_to_cpu_32(meta_v->data & meta_m->data));
}
- dev_flow->dv.actions_n = actions_n;
+}
+
+/**
+ * Add source vport match to the specified matcher.
+ *
+ * @param[in, out] matcher
+ * Flow matcher.
+ * @param[in, out] key
+ * Flow matcher value.
+ * @param[in] port
+ * Source vport value to match
+ * @param[in] mask
+ * Mask
+ */
+static void
+flow_dv_translate_item_source_vport(void *matcher, void *key,
+ int16_t port, uint16_t mask)
+{
+ void *misc_m = MLX5_ADDR_OF(fte_match_param, matcher, misc_parameters);
+ void *misc_v = MLX5_ADDR_OF(fte_match_param, key, misc_parameters);
+
+ MLX5_SET(fte_match_set_misc, misc_m, source_port, mask);
+ MLX5_SET(fte_match_set_misc, misc_v, source_port, port);
+}
+
+/**
+ * Translate port-id item to eswitch match on port-id.
+ *
+ * @param[in] dev
+ * The devich to configure through.
+ * @param[in, out] matcher
+ * Flow matcher.
+ * @param[in, out] key
+ * Flow matcher value.
+ * @param[in] item
+ * Flow pattern to translate.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise.
+ */
+static int
+flow_dv_translate_item_port_id(struct rte_eth_dev *dev, void *matcher,
+ void *key, const struct rte_flow_item *item)
+{
+ const struct rte_flow_item_port_id *pid_m = item ? item->mask : NULL;
+ const struct rte_flow_item_port_id *pid_v = item ? item->spec : NULL;
+ uint16_t mask, val, id;
+ int ret;
+
+ mask = pid_m ? pid_m->id : 0xffff;
+ id = pid_v ? pid_v->id : dev->data->port_id;
+ ret = mlx5_port_to_eswitch_info(id, NULL, &val);
+ if (ret)
+ return ret;
+ flow_dv_translate_item_source_vport(matcher, key, val, mask);
+ return 0;
}
static uint32_t matcher_zero[MLX5_ST_SZ_DW(fte_match_param)] = { 0 };
match_criteria_enable |=
(!HEADER_IS_ZERO(match_criteria, misc_parameters_2)) <<
MLX5_MATCH_CRITERIA_ENABLE_MISC2_BIT;
-
+#ifdef HAVE_MLX5DV_DR
+ match_criteria_enable |=
+ (!HEADER_IS_ZERO(match_criteria, misc_parameters_3)) <<
+ MLX5_MATCH_CRITERIA_ENABLE_MISC3_BIT;
+#endif
return match_criteria_enable;
}
+
+/**
+ * Get a flow table.
+ *
+ * @param dev[in, out]
+ * Pointer to rte_eth_dev structure.
+ * @param[in] table_id
+ * Table id to use.
+ * @param[in] egress
+ * Direction of the table.
+ * @param[in] transfer
+ * E-Switch or NIC flow.
+ * @param[out] error
+ * pointer to error structure.
+ *
+ * @return
+ * Returns tables resource based on the index, NULL in case of failed.
+ */
+static struct mlx5_flow_tbl_resource *
+flow_dv_tbl_resource_get(struct rte_eth_dev *dev,
+ uint32_t table_id, uint8_t egress,
+ uint8_t transfer,
+ struct rte_flow_error *error)
+{
+ struct mlx5_priv *priv = dev->data->dev_private;
+ struct mlx5_ibv_shared *sh = priv->sh;
+ struct mlx5_flow_tbl_resource *tbl;
+
+#ifdef HAVE_MLX5DV_DR
+ if (transfer) {
+ tbl = &sh->fdb_tbl[table_id];
+ if (!tbl->obj)
+ tbl->obj = mlx5_glue->dr_create_flow_tbl
+ (sh->fdb_domain, table_id);
+ } else if (egress) {
+ tbl = &sh->tx_tbl[table_id];
+ if (!tbl->obj)
+ tbl->obj = mlx5_glue->dr_create_flow_tbl
+ (sh->tx_domain, table_id);
+ } else {
+ tbl = &sh->rx_tbl[table_id];
+ if (!tbl->obj)
+ tbl->obj = mlx5_glue->dr_create_flow_tbl
+ (sh->rx_domain, table_id);
+ }
+ if (!tbl->obj) {
+ rte_flow_error_set(error, ENOMEM,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+ NULL, "cannot create table");
+ return NULL;
+ }
+ rte_atomic32_inc(&tbl->refcnt);
+ return tbl;
+#else
+ (void)error;
+ (void)tbl;
+ if (transfer)
+ return &sh->fdb_tbl[table_id];
+ else if (egress)
+ return &sh->tx_tbl[table_id];
+ else
+ return &sh->rx_tbl[table_id];
+#endif
+}
+
+/**
+ * Release a flow table.
+ *
+ * @param[in] tbl
+ * Table resource to be released.
+ *
+ * @return
+ * Returns 0 if table was released, else return 1;
+ */
+static int
+flow_dv_tbl_resource_release(struct mlx5_flow_tbl_resource *tbl)
+{
+ if (!tbl)
+ return 0;
+ if (rte_atomic32_dec_and_test(&tbl->refcnt)) {
+ mlx5_glue->dr_destroy_flow_tbl(tbl->obj);
+ tbl->obj = NULL;
+ return 0;
+ }
+ return 1;
+}
+
/**
* Register the flow matcher.
*
struct mlx5_flow *dev_flow,
struct rte_flow_error *error)
{
- struct priv *priv = dev->data->dev_private;
+ struct mlx5_priv *priv = dev->data->dev_private;
+ struct mlx5_ibv_shared *sh = priv->sh;
struct mlx5_flow_dv_matcher *cache_matcher;
struct mlx5dv_flow_matcher_attr dv_attr = {
.type = IBV_FLOW_ATTR_NORMAL,
.match_mask = (void *)&matcher->mask,
};
+ struct mlx5_flow_tbl_resource *tbl = NULL;
/* Lookup from cache. */
- LIST_FOREACH(cache_matcher, &priv->matchers, next) {
+ LIST_FOREACH(cache_matcher, &sh->matchers, next) {
if (matcher->crc == cache_matcher->crc &&
matcher->priority == cache_matcher->priority &&
matcher->egress == cache_matcher->egress &&
+ matcher->group == cache_matcher->group &&
+ matcher->transfer == cache_matcher->transfer &&
!memcmp((const void *)matcher->mask.buf,
(const void *)cache_matcher->mask.buf,
cache_matcher->mask.size)) {
return rte_flow_error_set(error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
"cannot allocate matcher memory");
+ tbl = flow_dv_tbl_resource_get(dev, matcher->group * MLX5_GROUP_FACTOR,
+ matcher->egress, matcher->transfer,
+ error);
+ if (!tbl) {
+ rte_free(cache_matcher);
+ return rte_flow_error_set(error, ENOMEM,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+ NULL, "cannot create table");
+ }
*cache_matcher = *matcher;
dv_attr.match_criteria_enable =
flow_dv_matcher_enable(cache_matcher->mask.buf);
if (matcher->egress)
dv_attr.flags |= IBV_FLOW_ATTR_FLAGS_EGRESS;
cache_matcher->matcher_object =
- mlx5_glue->dv_create_flow_matcher(priv->ctx, &dv_attr);
- if (!cache_matcher->matcher_object)
+ mlx5_glue->dv_create_flow_matcher(sh->ctx, &dv_attr, tbl->obj);
+ if (!cache_matcher->matcher_object) {
+ rte_free(cache_matcher);
+#ifdef HAVE_MLX5DV_DR
+ flow_dv_tbl_resource_release(tbl);
+#endif
return rte_flow_error_set(error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL, "cannot create matcher");
+ }
rte_atomic32_inc(&cache_matcher->refcnt);
- LIST_INSERT_HEAD(&priv->matchers, cache_matcher, next);
+ LIST_INSERT_HEAD(&sh->matchers, cache_matcher, next);
dev_flow->dv.matcher = cache_matcher;
DRV_LOG(DEBUG, "priority %hd new %s matcher %p: refcnt %d",
cache_matcher->priority,
cache_matcher->egress ? "tx" : "rx", (void *)cache_matcher,
rte_atomic32_read(&cache_matcher->refcnt));
+ rte_atomic32_inc(&tbl->refcnt);
+ return 0;
+}
+
+/**
+ * Find existing tag resource or create and register a new one.
+ *
+ * @param dev[in, out]
+ * Pointer to rte_eth_dev structure.
+ * @param[in, out] resource
+ * Pointer to tag resource.
+ * @parm[in, out] dev_flow
+ * Pointer to the dev_flow.
+ * @param[out] error
+ * pointer to error structure.
+ *
+ * @return
+ * 0 on success otherwise -errno and errno is set.
+ */
+static int
+flow_dv_tag_resource_register
+ (struct rte_eth_dev *dev,
+ struct mlx5_flow_dv_tag_resource *resource,
+ struct mlx5_flow *dev_flow,
+ struct rte_flow_error *error)
+{
+ struct mlx5_priv *priv = dev->data->dev_private;
+ struct mlx5_ibv_shared *sh = priv->sh;
+ struct mlx5_flow_dv_tag_resource *cache_resource;
+
+ /* Lookup a matching resource from cache. */
+ LIST_FOREACH(cache_resource, &sh->tags, next) {
+ if (resource->tag == cache_resource->tag) {
+ DRV_LOG(DEBUG, "tag resource %p: refcnt %d++",
+ (void *)cache_resource,
+ rte_atomic32_read(&cache_resource->refcnt));
+ rte_atomic32_inc(&cache_resource->refcnt);
+ dev_flow->flow->tag_resource = cache_resource;
+ return 0;
+ }
+ }
+ /* Register new resource. */
+ cache_resource = rte_calloc(__func__, 1, sizeof(*cache_resource), 0);
+ if (!cache_resource)
+ return rte_flow_error_set(error, ENOMEM,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
+ "cannot allocate resource memory");
+ *cache_resource = *resource;
+ cache_resource->action = mlx5_glue->dv_create_flow_action_tag
+ (resource->tag);
+ if (!cache_resource->action) {
+ rte_free(cache_resource);
+ return rte_flow_error_set(error, ENOMEM,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+ NULL, "cannot create action");
+ }
+ rte_atomic32_init(&cache_resource->refcnt);
+ rte_atomic32_inc(&cache_resource->refcnt);
+ LIST_INSERT_HEAD(&sh->tags, cache_resource, next);
+ dev_flow->flow->tag_resource = cache_resource;
+ DRV_LOG(DEBUG, "new tag resource %p: refcnt %d++",
+ (void *)cache_resource,
+ rte_atomic32_read(&cache_resource->refcnt));
return 0;
}
+/**
+ * Release the tag.
+ *
+ * @param dev
+ * Pointer to Ethernet device.
+ * @param flow
+ * Pointer to mlx5_flow.
+ *
+ * @return
+ * 1 while a reference on it exists, 0 when freed.
+ */
+static int
+flow_dv_tag_release(struct rte_eth_dev *dev,
+ struct mlx5_flow_dv_tag_resource *tag)
+{
+ assert(tag);
+ DRV_LOG(DEBUG, "port %u tag %p: refcnt %d--",
+ dev->data->port_id, (void *)tag,
+ rte_atomic32_read(&tag->refcnt));
+ if (rte_atomic32_dec_and_test(&tag->refcnt)) {
+ claim_zero(mlx5_glue->destroy_flow_action(tag->action));
+ LIST_REMOVE(tag, next);
+ DRV_LOG(DEBUG, "port %u tag %p: removed",
+ dev->data->port_id, (void *)tag);
+ rte_free(tag);
+ return 0;
+ }
+ return 1;
+}
+
+/**
+ * Translate port ID action to vport.
+ *
+ * @param[in] dev
+ * Pointer to rte_eth_dev structure.
+ * @param[in] action
+ * Pointer to the port ID action.
+ * @param[out] dst_port_id
+ * The target port ID.
+ * @param[out] error
+ * Pointer to the error structure.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+static int
+flow_dv_translate_action_port_id(struct rte_eth_dev *dev,
+ const struct rte_flow_action *action,
+ uint32_t *dst_port_id,
+ struct rte_flow_error *error)
+{
+ uint32_t port;
+ uint16_t port_id;
+ int ret;
+ const struct rte_flow_action_port_id *conf =
+ (const struct rte_flow_action_port_id *)action->conf;
+
+ port = conf->original ? dev->data->port_id : conf->id;
+ ret = mlx5_port_to_eswitch_info(port, NULL, &port_id);
+ if (ret)
+ return rte_flow_error_set(error, -ret,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ NULL,
+ "No eswitch info was found for port");
+ *dst_port_id = port_id;
+ return 0;
+}
/**
* Fill the flow with DV spec.
* Pointer to the error structure.
*
* @return
- * 0 on success, a negative errno value otherwise and rte_ernno is set.
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_translate(struct rte_eth_dev *dev,
struct mlx5_flow *dev_flow,
const struct rte_flow_attr *attr,
const struct rte_flow_item items[],
- const struct rte_flow_action actions[] __rte_unused,
+ const struct rte_flow_action actions[],
struct rte_flow_error *error)
{
- struct priv *priv = dev->data->dev_private;
+ struct mlx5_priv *priv = dev->data->dev_private;
+ struct rte_flow *flow = dev_flow->flow;
+ uint64_t item_flags = 0;
+ uint64_t last_item = 0;
+ uint64_t action_flags = 0;
uint64_t priority = attr->priority;
struct mlx5_flow_dv_matcher matcher = {
.mask = {
.size = sizeof(matcher.mask.buf),
},
};
+ int actions_n = 0;
+ bool actions_end = false;
+ struct mlx5_flow_dv_modify_hdr_resource res = {
+ .ft_type = attr->egress ? MLX5DV_FLOW_TABLE_TYPE_NIC_TX :
+ MLX5DV_FLOW_TABLE_TYPE_NIC_RX
+ };
+ union flow_dv_attr flow_attr = { .attr = 0 };
+ struct mlx5_flow_dv_tag_resource tag_resource;
+ uint32_t modify_action_position = UINT32_MAX;
+ void *match_mask = matcher.mask.buf;
void *match_value = dev_flow->dv.value.buf;
- uint8_t inner = 0;
+ flow->group = attr->group;
+ if (attr->transfer)
+ res.ft_type = MLX5DV_FLOW_TABLE_TYPE_FDB;
if (priority == MLX5_FLOW_PRIO_RSVD)
priority = priv->config.flow_prio - 1;
- for (; items->type != RTE_FLOW_ITEM_TYPE_END; items++)
- flow_dv_create_item(&matcher, match_value, items, dev_flow,
- inner);
+ for (; !actions_end ; actions++) {
+ const struct rte_flow_action_queue *queue;
+ const struct rte_flow_action_rss *rss;
+ const struct rte_flow_action *action = actions;
+ const struct rte_flow_action_count *count = action->conf;
+ const uint8_t *rss_key;
+ const struct rte_flow_action_jump *jump_data;
+ struct mlx5_flow_dv_jump_tbl_resource jump_tbl_resource;
+ struct mlx5_flow_tbl_resource *tbl;
+ uint32_t port_id = 0;
+ struct mlx5_flow_dv_port_id_action_resource port_id_resource;
+
+ switch (actions->type) {
+ case RTE_FLOW_ACTION_TYPE_VOID:
+ break;
+ case RTE_FLOW_ACTION_TYPE_PORT_ID:
+ if (flow_dv_translate_action_port_id(dev, action,
+ &port_id, error))
+ return -rte_errno;
+ port_id_resource.port_id = port_id;
+ if (flow_dv_port_id_action_resource_register
+ (dev, &port_id_resource, dev_flow, error))
+ return -rte_errno;
+ dev_flow->dv.actions[actions_n++] =
+ dev_flow->dv.port_id_action->action;
+ action_flags |= MLX5_FLOW_ACTION_PORT_ID;
+ break;
+ case RTE_FLOW_ACTION_TYPE_FLAG:
+ tag_resource.tag =
+ mlx5_flow_mark_set(MLX5_FLOW_MARK_DEFAULT);
+ if (!flow->tag_resource)
+ if (flow_dv_tag_resource_register
+ (dev, &tag_resource, dev_flow, error))
+ return errno;
+ dev_flow->dv.actions[actions_n++] =
+ flow->tag_resource->action;
+ action_flags |= MLX5_FLOW_ACTION_FLAG;
+ break;
+ case RTE_FLOW_ACTION_TYPE_MARK:
+ tag_resource.tag = mlx5_flow_mark_set
+ (((const struct rte_flow_action_mark *)
+ (actions->conf))->id);
+ if (!flow->tag_resource)
+ if (flow_dv_tag_resource_register
+ (dev, &tag_resource, dev_flow, error))
+ return errno;
+ dev_flow->dv.actions[actions_n++] =
+ flow->tag_resource->action;
+ action_flags |= MLX5_FLOW_ACTION_MARK;
+ break;
+ case RTE_FLOW_ACTION_TYPE_DROP:
+ action_flags |= MLX5_FLOW_ACTION_DROP;
+ break;
+ case RTE_FLOW_ACTION_TYPE_QUEUE:
+ queue = actions->conf;
+ flow->rss.queue_num = 1;
+ (*flow->queue)[0] = queue->index;
+ action_flags |= MLX5_FLOW_ACTION_QUEUE;
+ break;
+ case RTE_FLOW_ACTION_TYPE_RSS:
+ rss = actions->conf;
+ if (flow->queue)
+ memcpy((*flow->queue), rss->queue,
+ rss->queue_num * sizeof(uint16_t));
+ flow->rss.queue_num = rss->queue_num;
+ /* NULL RSS key indicates default RSS key. */
+ rss_key = !rss->key ? rss_hash_default_key : rss->key;
+ memcpy(flow->key, rss_key, MLX5_RSS_HASH_KEY_LEN);
+ /* RSS type 0 indicates default RSS type ETH_RSS_IP. */
+ flow->rss.types = !rss->types ? ETH_RSS_IP : rss->types;
+ flow->rss.level = rss->level;
+ action_flags |= MLX5_FLOW_ACTION_RSS;
+ break;
+ case RTE_FLOW_ACTION_TYPE_COUNT:
+ if (!priv->config.devx) {
+ rte_errno = ENOTSUP;
+ goto cnt_err;
+ }
+ flow->counter = flow_dv_counter_new(dev, count->shared,
+ count->id);
+ if (flow->counter == NULL)
+ goto cnt_err;
+ dev_flow->dv.actions[actions_n++] =
+ flow->counter->action;
+ action_flags |= MLX5_FLOW_ACTION_COUNT;
+ break;
+cnt_err:
+ if (rte_errno == ENOTSUP)
+ return rte_flow_error_set
+ (error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+ NULL,
+ "count action not supported");
+ else
+ return rte_flow_error_set
+ (error, rte_errno,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ action,
+ "cannot create counter"
+ " object.");
+ case RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP:
+ case RTE_FLOW_ACTION_TYPE_NVGRE_ENCAP:
+ if (flow_dv_create_action_l2_encap(dev, actions,
+ dev_flow,
+ attr->transfer,
+ error))
+ return -rte_errno;
+ dev_flow->dv.actions[actions_n++] =
+ dev_flow->dv.encap_decap->verbs_action;
+ action_flags |= actions->type ==
+ RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP ?
+ MLX5_FLOW_ACTION_VXLAN_ENCAP :
+ MLX5_FLOW_ACTION_NVGRE_ENCAP;
+ break;
+ case RTE_FLOW_ACTION_TYPE_VXLAN_DECAP:
+ case RTE_FLOW_ACTION_TYPE_NVGRE_DECAP:
+ if (flow_dv_create_action_l2_decap(dev, dev_flow,
+ attr->transfer,
+ error))
+ return -rte_errno;
+ dev_flow->dv.actions[actions_n++] =
+ dev_flow->dv.encap_decap->verbs_action;
+ action_flags |= actions->type ==
+ RTE_FLOW_ACTION_TYPE_VXLAN_DECAP ?
+ MLX5_FLOW_ACTION_VXLAN_DECAP :
+ MLX5_FLOW_ACTION_NVGRE_DECAP;
+ break;
+ case RTE_FLOW_ACTION_TYPE_RAW_ENCAP:
+ /* Handle encap with preceding decap. */
+ if (action_flags & MLX5_FLOW_ACTION_RAW_DECAP) {
+ if (flow_dv_create_action_raw_encap
+ (dev, actions, dev_flow, attr, error))
+ return -rte_errno;
+ dev_flow->dv.actions[actions_n++] =
+ dev_flow->dv.encap_decap->verbs_action;
+ } else {
+ /* Handle encap without preceding decap. */
+ if (flow_dv_create_action_l2_encap
+ (dev, actions, dev_flow, attr->transfer,
+ error))
+ return -rte_errno;
+ dev_flow->dv.actions[actions_n++] =
+ dev_flow->dv.encap_decap->verbs_action;
+ }
+ action_flags |= MLX5_FLOW_ACTION_RAW_ENCAP;
+ break;
+ case RTE_FLOW_ACTION_TYPE_RAW_DECAP:
+ /* Check if this decap is followed by encap. */
+ for (; action->type != RTE_FLOW_ACTION_TYPE_END &&
+ action->type != RTE_FLOW_ACTION_TYPE_RAW_ENCAP;
+ action++) {
+ }
+ /* Handle decap only if it isn't followed by encap. */
+ if (action->type != RTE_FLOW_ACTION_TYPE_RAW_ENCAP) {
+ if (flow_dv_create_action_l2_decap
+ (dev, dev_flow, attr->transfer, error))
+ return -rte_errno;
+ dev_flow->dv.actions[actions_n++] =
+ dev_flow->dv.encap_decap->verbs_action;
+ }
+ /* If decap is followed by encap, handle it at encap. */
+ action_flags |= MLX5_FLOW_ACTION_RAW_DECAP;
+ break;
+ case RTE_FLOW_ACTION_TYPE_JUMP:
+ jump_data = action->conf;
+ tbl = flow_dv_tbl_resource_get(dev, jump_data->group *
+ MLX5_GROUP_FACTOR,
+ attr->egress,
+ attr->transfer, error);
+ if (!tbl)
+ return rte_flow_error_set
+ (error, errno,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ NULL,
+ "cannot create jump action.");
+ jump_tbl_resource.tbl = tbl;
+ if (flow_dv_jump_tbl_resource_register
+ (dev, &jump_tbl_resource, dev_flow, error)) {
+ flow_dv_tbl_resource_release(tbl);
+ return rte_flow_error_set
+ (error, errno,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ NULL,
+ "cannot create jump action.");
+ }
+ dev_flow->dv.actions[actions_n++] =
+ dev_flow->dv.jump->action;
+ action_flags |= MLX5_FLOW_ACTION_JUMP;
+ break;
+ case RTE_FLOW_ACTION_TYPE_SET_MAC_SRC:
+ case RTE_FLOW_ACTION_TYPE_SET_MAC_DST:
+ if (flow_dv_convert_action_modify_mac(&res, actions,
+ error))
+ return -rte_errno;
+ action_flags |= actions->type ==
+ RTE_FLOW_ACTION_TYPE_SET_MAC_SRC ?
+ MLX5_FLOW_ACTION_SET_MAC_SRC :
+ MLX5_FLOW_ACTION_SET_MAC_DST;
+ break;
+ case RTE_FLOW_ACTION_TYPE_SET_IPV4_SRC:
+ case RTE_FLOW_ACTION_TYPE_SET_IPV4_DST:
+ if (flow_dv_convert_action_modify_ipv4(&res, actions,
+ error))
+ return -rte_errno;
+ action_flags |= actions->type ==
+ RTE_FLOW_ACTION_TYPE_SET_IPV4_SRC ?
+ MLX5_FLOW_ACTION_SET_IPV4_SRC :
+ MLX5_FLOW_ACTION_SET_IPV4_DST;
+ break;
+ case RTE_FLOW_ACTION_TYPE_SET_IPV6_SRC:
+ case RTE_FLOW_ACTION_TYPE_SET_IPV6_DST:
+ if (flow_dv_convert_action_modify_ipv6(&res, actions,
+ error))
+ return -rte_errno;
+ action_flags |= actions->type ==
+ RTE_FLOW_ACTION_TYPE_SET_IPV6_SRC ?
+ MLX5_FLOW_ACTION_SET_IPV6_SRC :
+ MLX5_FLOW_ACTION_SET_IPV6_DST;
+ break;
+ case RTE_FLOW_ACTION_TYPE_SET_TP_SRC:
+ case RTE_FLOW_ACTION_TYPE_SET_TP_DST:
+ if (flow_dv_convert_action_modify_tp(&res, actions,
+ items, &flow_attr,
+ error))
+ return -rte_errno;
+ action_flags |= actions->type ==
+ RTE_FLOW_ACTION_TYPE_SET_TP_SRC ?
+ MLX5_FLOW_ACTION_SET_TP_SRC :
+ MLX5_FLOW_ACTION_SET_TP_DST;
+ break;
+ case RTE_FLOW_ACTION_TYPE_DEC_TTL:
+ if (flow_dv_convert_action_modify_dec_ttl(&res, items,
+ &flow_attr,
+ error))
+ return -rte_errno;
+ action_flags |= MLX5_FLOW_ACTION_DEC_TTL;
+ break;
+ case RTE_FLOW_ACTION_TYPE_SET_TTL:
+ if (flow_dv_convert_action_modify_ttl(&res, actions,
+ items, &flow_attr,
+ error))
+ return -rte_errno;
+ action_flags |= MLX5_FLOW_ACTION_SET_TTL;
+ break;
+ case RTE_FLOW_ACTION_TYPE_END:
+ actions_end = true;
+ if (action_flags & MLX5_FLOW_MODIFY_HDR_ACTIONS) {
+ /* create modify action if needed. */
+ if (flow_dv_modify_hdr_resource_register
+ (dev, &res,
+ dev_flow,
+ error))
+ return -rte_errno;
+ dev_flow->dv.actions[modify_action_position] =
+ dev_flow->dv.modify_hdr->verbs_action;
+ }
+ break;
+ default:
+ break;
+ }
+ if ((action_flags & MLX5_FLOW_MODIFY_HDR_ACTIONS) &&
+ modify_action_position == UINT32_MAX)
+ modify_action_position = actions_n++;
+ }
+ dev_flow->dv.actions_n = actions_n;
+ flow->actions = action_flags;
+ for (; items->type != RTE_FLOW_ITEM_TYPE_END; items++) {
+ int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
+
+ switch (items->type) {
+ case RTE_FLOW_ITEM_TYPE_PORT_ID:
+ flow_dv_translate_item_port_id(dev, match_mask,
+ match_value, items);
+ last_item = MLX5_FLOW_ITEM_PORT_ID;
+ break;
+ case RTE_FLOW_ITEM_TYPE_ETH:
+ flow_dv_translate_item_eth(match_mask, match_value,
+ items, tunnel);
+ matcher.priority = MLX5_PRIORITY_MAP_L2;
+ last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L2 :
+ MLX5_FLOW_LAYER_OUTER_L2;
+ break;
+ case RTE_FLOW_ITEM_TYPE_VLAN:
+ flow_dv_translate_item_vlan(match_mask, match_value,
+ items, tunnel);
+ matcher.priority = MLX5_PRIORITY_MAP_L2;
+ last_item = tunnel ? (MLX5_FLOW_LAYER_INNER_L2 |
+ MLX5_FLOW_LAYER_INNER_VLAN) :
+ (MLX5_FLOW_LAYER_OUTER_L2 |
+ MLX5_FLOW_LAYER_OUTER_VLAN);
+ break;
+ case RTE_FLOW_ITEM_TYPE_IPV4:
+ flow_dv_translate_item_ipv4(match_mask, match_value,
+ items, tunnel, attr->group);
+ matcher.priority = MLX5_PRIORITY_MAP_L3;
+ dev_flow->dv.hash_fields |=
+ mlx5_flow_hashfields_adjust
+ (dev_flow, tunnel,
+ MLX5_IPV4_LAYER_TYPES,
+ MLX5_IPV4_IBV_RX_HASH);
+ last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L3_IPV4 :
+ MLX5_FLOW_LAYER_OUTER_L3_IPV4;
+ break;
+ case RTE_FLOW_ITEM_TYPE_IPV6:
+ flow_dv_translate_item_ipv6(match_mask, match_value,
+ items, tunnel, attr->group);
+ matcher.priority = MLX5_PRIORITY_MAP_L3;
+ dev_flow->dv.hash_fields |=
+ mlx5_flow_hashfields_adjust
+ (dev_flow, tunnel,
+ MLX5_IPV6_LAYER_TYPES,
+ MLX5_IPV6_IBV_RX_HASH);
+ last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L3_IPV6 :
+ MLX5_FLOW_LAYER_OUTER_L3_IPV6;
+ break;
+ case RTE_FLOW_ITEM_TYPE_TCP:
+ flow_dv_translate_item_tcp(match_mask, match_value,
+ items, tunnel);
+ matcher.priority = MLX5_PRIORITY_MAP_L4;
+ dev_flow->dv.hash_fields |=
+ mlx5_flow_hashfields_adjust
+ (dev_flow, tunnel, ETH_RSS_TCP,
+ IBV_RX_HASH_SRC_PORT_TCP |
+ IBV_RX_HASH_DST_PORT_TCP);
+ last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L4_TCP :
+ MLX5_FLOW_LAYER_OUTER_L4_TCP;
+ break;
+ case RTE_FLOW_ITEM_TYPE_UDP:
+ flow_dv_translate_item_udp(match_mask, match_value,
+ items, tunnel);
+ matcher.priority = MLX5_PRIORITY_MAP_L4;
+ dev_flow->dv.hash_fields |=
+ mlx5_flow_hashfields_adjust
+ (dev_flow, tunnel, ETH_RSS_UDP,
+ IBV_RX_HASH_SRC_PORT_UDP |
+ IBV_RX_HASH_DST_PORT_UDP);
+ last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L4_UDP :
+ MLX5_FLOW_LAYER_OUTER_L4_UDP;
+ break;
+ case RTE_FLOW_ITEM_TYPE_GRE:
+ flow_dv_translate_item_gre(match_mask, match_value,
+ items, tunnel);
+ last_item = MLX5_FLOW_LAYER_GRE;
+ break;
+ case RTE_FLOW_ITEM_TYPE_NVGRE:
+ flow_dv_translate_item_nvgre(match_mask, match_value,
+ items, tunnel);
+ last_item = MLX5_FLOW_LAYER_GRE;
+ break;
+ case RTE_FLOW_ITEM_TYPE_VXLAN:
+ flow_dv_translate_item_vxlan(match_mask, match_value,
+ items, tunnel);
+ last_item = MLX5_FLOW_LAYER_VXLAN;
+ break;
+ case RTE_FLOW_ITEM_TYPE_VXLAN_GPE:
+ flow_dv_translate_item_vxlan(match_mask, match_value,
+ items, tunnel);
+ last_item = MLX5_FLOW_LAYER_VXLAN_GPE;
+ break;
+ case RTE_FLOW_ITEM_TYPE_MPLS:
+ flow_dv_translate_item_mpls(match_mask, match_value,
+ items, last_item, tunnel);
+ last_item = MLX5_FLOW_LAYER_MPLS;
+ break;
+ case RTE_FLOW_ITEM_TYPE_META:
+ flow_dv_translate_item_meta(match_mask, match_value,
+ items);
+ last_item = MLX5_FLOW_ITEM_METADATA;
+ break;
+ default:
+ break;
+ }
+ item_flags |= last_item;
+ }
+ /*
+ * In case of ingress traffic when E-Switch mode is enabled,
+ * we have two cases where we need to set the source port manually.
+ * The first one, is in case of Nic steering rule, and the second is
+ * E-Switch rule where no port_id item was found. In both cases
+ * the source port is set according the current port in use.
+ */
+ if ((attr->ingress && !(item_flags & MLX5_FLOW_ITEM_PORT_ID)) &&
+ (priv->representor || priv->master)) {
+ if (flow_dv_translate_item_port_id(dev, match_mask,
+ match_value, NULL))
+ return -rte_errno;
+ }
+ assert(!flow_dv_check_valid_spec(matcher.mask.buf,
+ dev_flow->dv.value.buf));
+ dev_flow->layers = item_flags;
+ /* Register matcher. */
matcher.crc = rte_raw_cksum((const void *)matcher.mask.buf,
- matcher.mask.size);
- if (priority == MLX5_FLOW_PRIO_RSVD)
- priority = priv->config.flow_prio - 1;
+ matcher.mask.size);
matcher.priority = mlx5_flow_adjust_priority(dev, priority,
matcher.priority);
matcher.egress = attr->egress;
+ matcher.group = attr->group;
+ matcher.transfer = attr->transfer;
if (flow_dv_matcher_register(dev, &matcher, dev_flow, error))
return -rte_errno;
- for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++)
- flow_dv_create_action(actions, dev_flow);
return 0;
}
{
struct mlx5_flow_dv *dv;
struct mlx5_flow *dev_flow;
+ struct mlx5_priv *priv = dev->data->dev_private;
int n;
int err;
dv = &dev_flow->dv;
n = dv->actions_n;
if (flow->actions & MLX5_FLOW_ACTION_DROP) {
- dv->hrxq = mlx5_hrxq_drop_new(dev);
- if (!dv->hrxq) {
- rte_flow_error_set
- (error, errno,
- RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
- "cannot get drop hash queue");
- goto error;
+ if (flow->transfer) {
+ dv->actions[n++] = priv->sh->esw_drop_action;
+ } else {
+ dv->hrxq = mlx5_hrxq_drop_new(dev);
+ if (!dv->hrxq) {
+ rte_flow_error_set
+ (error, errno,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+ NULL,
+ "cannot get drop hash queue");
+ goto error;
+ }
+ dv->actions[n++] = dv->hrxq->action;
}
- dv->actions[n].type = MLX5DV_FLOW_ACTION_DEST_IBV_QP;
- dv->actions[n].qp = dv->hrxq->qp;
- n++;
} else if (flow->actions &
(MLX5_FLOW_ACTION_QUEUE | MLX5_FLOW_ACTION_RSS)) {
struct mlx5_hrxq *hrxq;
+
hrxq = mlx5_hrxq_get(dev, flow->key,
MLX5_RSS_HASH_KEY_LEN,
dv->hash_fields,
(dev, flow->key, MLX5_RSS_HASH_KEY_LEN,
dv->hash_fields, (*flow->queue),
flow->rss.queue_num,
- !!(flow->layers &
+ !!(dev_flow->layers &
MLX5_FLOW_LAYER_TUNNEL));
if (!hrxq) {
rte_flow_error_set
goto error;
}
dv->hrxq = hrxq;
- dv->actions[n].type = MLX5DV_FLOW_ACTION_DEST_IBV_QP;
- dv->actions[n].qp = hrxq->qp;
- n++;
+ dv->actions[n++] = dv->hrxq->action;
}
dv->flow =
mlx5_glue->dv_create_flow(dv->matcher->matcher_object,
struct mlx5_flow *flow)
{
struct mlx5_flow_dv_matcher *matcher = flow->dv.matcher;
+ struct mlx5_priv *priv = dev->data->dev_private;
+ struct mlx5_ibv_shared *sh = priv->sh;
+ struct mlx5_flow_tbl_resource *tbl;
assert(matcher->matcher_object);
DRV_LOG(DEBUG, "port %u matcher %p: refcnt %d--",
claim_zero(mlx5_glue->dv_destroy_flow_matcher
(matcher->matcher_object));
LIST_REMOVE(matcher, next);
+ if (matcher->egress)
+ tbl = &sh->tx_tbl[matcher->group];
+ else
+ tbl = &sh->rx_tbl[matcher->group];
+ flow_dv_tbl_resource_release(tbl);
rte_free(matcher);
DRV_LOG(DEBUG, "port %u matcher %p: removed",
dev->data->port_id, (void *)matcher);
return 1;
}
+/**
+ * Release an encap/decap resource.
+ *
+ * @param flow
+ * Pointer to mlx5_flow.
+ *
+ * @return
+ * 1 while a reference on it exists, 0 when freed.
+ */
+static int
+flow_dv_encap_decap_resource_release(struct mlx5_flow *flow)
+{
+ struct mlx5_flow_dv_encap_decap_resource *cache_resource =
+ flow->dv.encap_decap;
+
+ assert(cache_resource->verbs_action);
+ DRV_LOG(DEBUG, "encap/decap resource %p: refcnt %d--",
+ (void *)cache_resource,
+ rte_atomic32_read(&cache_resource->refcnt));
+ if (rte_atomic32_dec_and_test(&cache_resource->refcnt)) {
+ claim_zero(mlx5_glue->destroy_flow_action
+ (cache_resource->verbs_action));
+ LIST_REMOVE(cache_resource, next);
+ rte_free(cache_resource);
+ DRV_LOG(DEBUG, "encap/decap resource %p: removed",
+ (void *)cache_resource);
+ return 0;
+ }
+ return 1;
+}
+
+/**
+ * Release an jump to table action resource.
+ *
+ * @param flow
+ * Pointer to mlx5_flow.
+ *
+ * @return
+ * 1 while a reference on it exists, 0 when freed.
+ */
+static int
+flow_dv_jump_tbl_resource_release(struct mlx5_flow *flow)
+{
+ struct mlx5_flow_dv_jump_tbl_resource *cache_resource =
+ flow->dv.jump;
+
+ assert(cache_resource->action);
+ DRV_LOG(DEBUG, "jump table resource %p: refcnt %d--",
+ (void *)cache_resource,
+ rte_atomic32_read(&cache_resource->refcnt));
+ if (rte_atomic32_dec_and_test(&cache_resource->refcnt)) {
+ claim_zero(mlx5_glue->destroy_flow_action
+ (cache_resource->action));
+ LIST_REMOVE(cache_resource, next);
+ flow_dv_tbl_resource_release(cache_resource->tbl);
+ rte_free(cache_resource);
+ DRV_LOG(DEBUG, "jump table resource %p: removed",
+ (void *)cache_resource);
+ return 0;
+ }
+ return 1;
+}
+
+/**
+ * Release a modify-header resource.
+ *
+ * @param flow
+ * Pointer to mlx5_flow.
+ *
+ * @return
+ * 1 while a reference on it exists, 0 when freed.
+ */
+static int
+flow_dv_modify_hdr_resource_release(struct mlx5_flow *flow)
+{
+ struct mlx5_flow_dv_modify_hdr_resource *cache_resource =
+ flow->dv.modify_hdr;
+
+ assert(cache_resource->verbs_action);
+ DRV_LOG(DEBUG, "modify-header resource %p: refcnt %d--",
+ (void *)cache_resource,
+ rte_atomic32_read(&cache_resource->refcnt));
+ if (rte_atomic32_dec_and_test(&cache_resource->refcnt)) {
+ claim_zero(mlx5_glue->destroy_flow_action
+ (cache_resource->verbs_action));
+ LIST_REMOVE(cache_resource, next);
+ rte_free(cache_resource);
+ DRV_LOG(DEBUG, "modify-header resource %p: removed",
+ (void *)cache_resource);
+ return 0;
+ }
+ return 1;
+}
+
+/**
+ * Release port ID action resource.
+ *
+ * @param flow
+ * Pointer to mlx5_flow.
+ *
+ * @return
+ * 1 while a reference on it exists, 0 when freed.
+ */
+static int
+flow_dv_port_id_action_resource_release(struct mlx5_flow *flow)
+{
+ struct mlx5_flow_dv_port_id_action_resource *cache_resource =
+ flow->dv.port_id_action;
+
+ assert(cache_resource->action);
+ DRV_LOG(DEBUG, "port ID action resource %p: refcnt %d--",
+ (void *)cache_resource,
+ rte_atomic32_read(&cache_resource->refcnt));
+ if (rte_atomic32_dec_and_test(&cache_resource->refcnt)) {
+ claim_zero(mlx5_glue->destroy_flow_action
+ (cache_resource->action));
+ LIST_REMOVE(cache_resource, next);
+ rte_free(cache_resource);
+ DRV_LOG(DEBUG, "port id action resource %p: removed",
+ (void *)cache_resource);
+ return 0;
+ }
+ return 1;
+}
+
/**
* Remove the flow from the NIC but keeps it in memory.
*
LIST_FOREACH(dev_flow, &flow->dev_flows, next) {
dv = &dev_flow->dv;
if (dv->flow) {
- claim_zero(mlx5_glue->destroy_flow(dv->flow));
+ claim_zero(mlx5_glue->dv_destroy_flow(dv->flow));
dv->flow = NULL;
}
if (dv->hrxq) {
dv->hrxq = NULL;
}
}
- if (flow->counter)
- flow->counter = NULL;
}
/**
if (!flow)
return;
flow_dv_remove(dev, flow);
+ if (flow->counter) {
+ flow_dv_counter_release(flow->counter);
+ flow->counter = NULL;
+ }
+ if (flow->tag_resource) {
+ flow_dv_tag_release(dev, flow->tag_resource);
+ flow->tag_resource = NULL;
+ }
while (!LIST_EMPTY(&flow->dev_flows)) {
dev_flow = LIST_FIRST(&flow->dev_flows);
LIST_REMOVE(dev_flow, next);
if (dev_flow->dv.matcher)
flow_dv_matcher_release(dev, dev_flow);
+ if (dev_flow->dv.encap_decap)
+ flow_dv_encap_decap_resource_release(dev_flow);
+ if (dev_flow->dv.modify_hdr)
+ flow_dv_modify_hdr_resource_release(dev_flow);
+ if (dev_flow->dv.jump)
+ flow_dv_jump_tbl_resource_release(dev_flow);
+ if (dev_flow->dv.port_id_action)
+ flow_dv_port_id_action_resource_release(dev_flow);
rte_free(dev_flow);
}
}
+/**
+ * Query a dv flow rule for its statistics via devx.
+ *
+ * @param[in] dev
+ * Pointer to Ethernet device.
+ * @param[in] flow
+ * Pointer to the sub flow.
+ * @param[out] data
+ * data retrieved by the query.
+ * @param[out] error
+ * Perform verbose error reporting if not NULL.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+static int
+flow_dv_query_count(struct rte_eth_dev *dev, struct rte_flow *flow,
+ void *data, struct rte_flow_error *error)
+{
+ struct mlx5_priv *priv = dev->data->dev_private;
+ struct rte_flow_query_count *qc = data;
+ uint64_t pkts = 0;
+ uint64_t bytes = 0;
+ int err;
+
+ if (!priv->config.devx)
+ return rte_flow_error_set(error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+ NULL,
+ "counters are not supported");
+ if (flow->counter) {
+ err = mlx5_devx_cmd_flow_counter_query
+ (flow->counter->dcs,
+ qc->reset, &pkts, &bytes);
+ if (err)
+ return rte_flow_error_set
+ (error, err,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+ NULL,
+ "cannot read counters");
+ qc->hits_set = 1;
+ qc->bytes_set = 1;
+ qc->hits = pkts - flow->counter->hits;
+ qc->bytes = bytes - flow->counter->bytes;
+ if (qc->reset) {
+ flow->counter->hits = pkts;
+ flow->counter->bytes = bytes;
+ }
+ return 0;
+ }
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+ NULL,
+ "counters are not available");
+}
+
+/**
+ * Query a flow.
+ *
+ * @see rte_flow_query()
+ * @see rte_flow_ops
+ */
+static int
+flow_dv_query(struct rte_eth_dev *dev,
+ struct rte_flow *flow __rte_unused,
+ const struct rte_flow_action *actions __rte_unused,
+ void *data __rte_unused,
+ struct rte_flow_error *error __rte_unused)
+{
+ int ret = -EINVAL;
+
+ 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 = flow_dv_query_count(dev, flow, data, error);
+ break;
+ default:
+ return rte_flow_error_set(error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ actions,
+ "action not supported");
+ }
+ }
+ return ret;
+}
+
+/*
+ * Mutex-protected thunk to flow_dv_translate().
+ */
+static int
+flow_d_translate(struct rte_eth_dev *dev,
+ struct mlx5_flow *dev_flow,
+ const struct rte_flow_attr *attr,
+ const struct rte_flow_item items[],
+ const struct rte_flow_action actions[],
+ struct rte_flow_error *error)
+{
+ int ret;
+
+ flow_d_shared_lock(dev);
+ ret = flow_dv_translate(dev, dev_flow, attr, items, actions, error);
+ flow_d_shared_unlock(dev);
+ return ret;
+}
+
+/*
+ * Mutex-protected thunk to flow_dv_apply().
+ */
+static int
+flow_d_apply(struct rte_eth_dev *dev,
+ struct rte_flow *flow,
+ struct rte_flow_error *error)
+{
+ int ret;
+
+ flow_d_shared_lock(dev);
+ ret = flow_dv_apply(dev, flow, error);
+ flow_d_shared_unlock(dev);
+ return ret;
+}
+
+/*
+ * Mutex-protected thunk to flow_dv_remove().
+ */
+static void
+flow_d_remove(struct rte_eth_dev *dev, struct rte_flow *flow)
+{
+ flow_d_shared_lock(dev);
+ flow_dv_remove(dev, flow);
+ flow_d_shared_unlock(dev);
+}
+
+/*
+ * Mutex-protected thunk to flow_dv_destroy().
+ */
+static void
+flow_d_destroy(struct rte_eth_dev *dev, struct rte_flow *flow)
+{
+ flow_d_shared_lock(dev);
+ flow_dv_destroy(dev, flow);
+ flow_d_shared_unlock(dev);
+}
+
const struct mlx5_flow_driver_ops mlx5_flow_dv_drv_ops = {
.validate = flow_dv_validate,
.prepare = flow_dv_prepare,
- .translate = flow_dv_translate,
- .apply = flow_dv_apply,
- .remove = flow_dv_remove,
- .destroy = flow_dv_destroy,
+ .translate = flow_d_translate,
+ .apply = flow_d_apply,
+ .remove = flow_d_remove,
+ .destroy = flow_d_destroy,
+ .query = flow_dv_query,
};
#endif /* HAVE_IBV_FLOW_DV_SUPPORT */
git.droids-corp.org / dpdk.git / blobdiff