attr->valid = 1;
}
+/**
+ * Convert rte_mtr_color to mlx5 color.
+ *
+ * @param[in] rcol
+ * rte_mtr_color.
+ *
+ * @return
+ * mlx5 color.
+ */
+static int
+rte_col_2_mlx5_col(enum rte_color rcol)
+{
+ switch (rcol) {
+ case RTE_COLOR_GREEN:
+ return MLX5_FLOW_COLOR_GREEN;
+ case RTE_COLOR_YELLOW:
+ return MLX5_FLOW_COLOR_YELLOW;
+ case RTE_COLOR_RED:
+ return MLX5_FLOW_COLOR_RED;
+ default:
+ break;
+ }
+ return MLX5_FLOW_COLOR_UNDEFINED;
+}
+
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. */
MLX5_MODIFICATION_TYPE_SET, error);
}
+/**
+ * Get metadata register index for specified steering domain.
+ *
+ * @param[in] dev
+ * Pointer to the rte_eth_dev structure.
+ * @param[in] attr
+ * Attributes of flow to determine steering domain.
+ * @param[out] error
+ * Pointer to the error structure.
+ *
+ * @return
+ * positive index on success, a negative errno value otherwise
+ * and rte_errno is set.
+ */
+static enum modify_reg
+flow_dv_get_metadata_reg(struct rte_eth_dev *dev,
+ const struct rte_flow_attr *attr,
+ struct rte_flow_error *error)
+{
+ enum modify_reg reg =
+ mlx5_flow_get_reg_id(dev, attr->transfer ?
+ MLX5_METADATA_FDB :
+ attr->egress ?
+ MLX5_METADATA_TX :
+ MLX5_METADATA_RX, 0, error);
+ if (reg < 0)
+ return rte_flow_error_set(error,
+ ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM,
+ NULL, "unavailable "
+ "metadata register");
+ return reg;
+}
+
+/**
+ * Convert SET_META action to DV specification.
+ *
+ * @param[in] dev
+ * Pointer to the rte_eth_dev structure.
+ * @param[in,out] resource
+ * Pointer to the modify-header resource.
+ * @param[in] attr
+ * Attributes of flow that includes this item.
+ * @param[in] conf
+ * 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_set_meta
+ (struct rte_eth_dev *dev,
+ struct mlx5_flow_dv_modify_hdr_resource *resource,
+ const struct rte_flow_attr *attr,
+ const struct rte_flow_action_set_meta *conf,
+ struct rte_flow_error *error)
+{
+ uint32_t data = conf->data;
+ uint32_t mask = conf->mask;
+ struct rte_flow_item item = {
+ .spec = &data,
+ .mask = &mask,
+ };
+ struct field_modify_info reg_c_x[] = {
+ [1] = {0, 0, 0},
+ };
+ enum modify_reg reg = flow_dv_get_metadata_reg(dev, attr, error);
+
+ if (reg < 0)
+ return reg;
+ /*
+ * In datapath code there is no endianness
+ * coversions for perfromance reasons, all
+ * pattern conversions are done in rte_flow.
+ */
+ if (reg == REG_C_0) {
+ struct mlx5_priv *priv = dev->data->dev_private;
+ uint32_t msk_c0 = priv->sh->dv_regc0_mask;
+ uint32_t shl_c0;
+
+ assert(msk_c0);
+#if RTE_BYTE_ORDER == RTE_BIG_ENDIAN
+ shl_c0 = rte_bsf32(msk_c0);
+#else
+ shl_c0 = sizeof(msk_c0) * CHAR_BIT - rte_fls_u32(msk_c0);
+#endif
+ mask <<= shl_c0;
+ data <<= shl_c0;
+ assert(!(~msk_c0 & rte_cpu_to_be_32(mask)));
+ }
+ reg_c_x[0] = (struct field_modify_info){4, 0, reg_to_field[reg]};
+ /* The routine expects parameters in memory as big-endian ones. */
+ return flow_dv_convert_modify_action(&item, reg_c_x, NULL, resource,
+ MLX5_MODIFICATION_TYPE_SET, error);
+}
+
/**
* Validate MARK item.
*
const struct rte_flow_attr *attr,
struct rte_flow_error *error)
{
+ struct mlx5_priv *priv = dev->data->dev_private;
+ struct mlx5_dev_config *config = &priv->config;
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 = {
+ struct rte_flow_item_meta nic_mask = {
.data = UINT32_MAX
};
+ enum modify_reg reg;
int ret;
if (!spec)
"data cannot be empty");
if (!spec->data)
return rte_flow_error_set(error, EINVAL,
- RTE_FLOW_ERROR_TYPE_ITEM_SPEC,
- NULL,
+ RTE_FLOW_ERROR_TYPE_ITEM_SPEC, NULL,
"data cannot be zero");
+ if (config->dv_xmeta_en != MLX5_XMETA_MODE_LEGACY) {
+ if (!mlx5_flow_ext_mreg_supported(dev))
+ return rte_flow_error_set(error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ITEM, item,
+ "extended metadata register"
+ " isn't supported");
+ reg = flow_dv_get_metadata_reg(dev, attr, error);
+ if (reg < 0)
+ return reg;
+ if (reg == REG_B)
+ return rte_flow_error_set(error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ITEM, item,
+ "match on reg_b "
+ "isn't supported");
+ if (reg != REG_A)
+ nic_mask.data = priv->sh->dv_meta_mask;
+ }
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;
+ return ret;
}
/**
return 0;
}
+/**
+ * Validate SET_META action.
+ *
+ * @param[in] dev
+ * Pointer to the rte_eth_dev structure.
+ * @param[in] action
+ * Pointer to the encap 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_set_meta(struct rte_eth_dev *dev,
+ const struct rte_flow_action *action,
+ uint64_t action_flags __rte_unused,
+ const struct rte_flow_attr *attr,
+ struct rte_flow_error *error)
+{
+ const struct rte_flow_action_set_meta *conf;
+ uint32_t nic_mask = UINT32_MAX;
+ enum modify_reg reg;
+
+ if (!mlx5_flow_ext_mreg_supported(dev))
+ return rte_flow_error_set(error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ACTION, action,
+ "extended metadata register"
+ " isn't supported");
+ reg = flow_dv_get_metadata_reg(dev, attr, error);
+ if (reg < 0)
+ return reg;
+ if (reg != REG_A && reg != REG_B) {
+ struct mlx5_priv *priv = dev->data->dev_private;
+
+ nic_mask = priv->sh->dv_meta_mask;
+ }
+ if (!(action->conf))
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION, action,
+ "configuration cannot be null");
+ conf = (const struct rte_flow_action_set_meta *)action->conf;
+ if (!conf->mask)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION, action,
+ "zero mask doesn't have any effect");
+ if (conf->mask & ~nic_mask)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION, action,
+ "meta data must be within reg C0");
+ if (!(conf->data & conf->mask))
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION, action,
+ "zero value has no effect");
+ return 0;
+}
+
/**
* Validate SET_TAG action.
*
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ATTR_GROUP, NULL,
"target group index out of range");
- if (attributes->group >= target_group)
+ if (attributes->group == target_group)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
- "target group must be higher than"
+ "target group must be other than"
" the current flow group");
return 0;
}
NULL,
"groups are not supported");
#else
- uint32_t max_group = attributes->transfer ? MLX5_MAX_TABLES_FDB :
- MLX5_MAX_TABLES;
+ uint32_t max_group = attributes->transfer ?
+ MLX5_MAX_TABLES_FDB :
+ external ?
+ MLX5_MAX_TABLES_EXTERNAL :
+ MLX5_MAX_TABLES;
uint32_t table;
int ret;
++actions_n;
}
break;
+ case RTE_FLOW_ACTION_TYPE_SET_META:
+ ret = flow_dv_validate_action_set_meta(dev, actions,
+ action_flags,
+ attr, 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 |= MLX5_FLOW_ACTION_SET_META;
+ break;
case RTE_FLOW_ACTION_TYPE_SET_TAG:
ret = flow_dv_validate_action_set_tag(dev, actions,
action_flags,
MLX5_FLOW_ACTION_DEC_TCP_ACK;
break;
case MLX5_RTE_FLOW_ACTION_TYPE_TAG:
+ case MLX5_RTE_FLOW_ACTION_TYPE_MARK:
case MLX5_RTE_FLOW_ACTION_TYPE_COPY_MREG:
break;
default:
/**
* Add META item to matcher
*
+ * @param[in] dev
+ * The devich to configure through.
* @param[in, out] matcher
* Flow matcher.
* @param[in, out] key
* Flow matcher value.
+ * @param[in] attr
+ * Attributes of flow that includes this item.
* @param[in] item
* Flow pattern to translate.
*/
static void
-flow_dv_translate_item_meta(void *matcher, void *key,
+flow_dv_translate_item_meta(struct rte_eth_dev *dev,
+ void *matcher, void *key,
+ const struct rte_flow_attr *attr,
const struct rte_flow_item *item)
{
const struct rte_flow_item_meta *meta_m;
if (!meta_m)
meta_m = &rte_flow_item_meta_mask;
meta_v = (const void *)item->spec;
- if (meta_v)
- flow_dv_match_meta_reg(matcher, key, REG_A,
- rte_cpu_to_be_32(meta_v->data),
- rte_cpu_to_be_32(meta_m->data));
+ if (meta_v) {
+ enum modify_reg reg;
+ uint32_t value = meta_v->data;
+ uint32_t mask = meta_m->data;
+
+ reg = flow_dv_get_metadata_reg(dev, attr, NULL);
+ if (reg < 0)
+ return;
+ /*
+ * In datapath code there is no endianness
+ * coversions for perfromance reasons, all
+ * pattern conversions are done in rte_flow.
+ */
+ value = rte_cpu_to_be_32(value);
+ mask = rte_cpu_to_be_32(mask);
+ if (reg == REG_C_0) {
+ struct mlx5_priv *priv = dev->data->dev_private;
+ uint32_t msk_c0 = priv->sh->dv_regc0_mask;
+ uint32_t shl_c0 = rte_bsf32(msk_c0);
+
+ msk_c0 = rte_cpu_to_be_32(msk_c0);
+ value <<= shl_c0;
+ mask <<= shl_c0;
+ assert(msk_c0);
+ assert(!(~msk_c0 & mask));
+ }
+ flow_dv_match_meta_reg(matcher, key, reg, value, mask);
+ }
}
/**
action_flags |= MLX5_FLOW_ACTION_MARK_EXT;
break;
}
+ /* Fall-through */
+ case MLX5_RTE_FLOW_ACTION_TYPE_MARK:
/* Legacy (non-extensive) MARK action. */
tag_resource.tag = mlx5_flow_mark_set
(((const struct rte_flow_action_mark *)
dev_flow->dv.actions[actions_n++] =
dev_flow->dv.tag_resource->action;
break;
+ case RTE_FLOW_ACTION_TYPE_SET_META:
+ if (flow_dv_convert_action_set_meta
+ (dev, &mhdr_res, attr,
+ (const struct rte_flow_action_set_meta *)
+ actions->conf, error))
+ return -rte_errno;
+ action_flags |= MLX5_FLOW_ACTION_SET_META;
+ break;
case RTE_FLOW_ACTION_TYPE_SET_TAG:
if (flow_dv_convert_action_set_tag
(dev, &mhdr_res,
last_item = MLX5_FLOW_ITEM_MARK;
break;
case RTE_FLOW_ITEM_TYPE_META:
- flow_dv_translate_item_meta(match_mask, match_value,
- items);
+ flow_dv_translate_item_meta(dev, match_mask,
+ match_value, attr, items);
last_item = MLX5_FLOW_ITEM_METADATA;
break;
case RTE_FLOW_ITEM_TYPE_ICMP:
return ret;
}
+/**
+ * Destroy the meter table set.
+ * Lock free, (mutex should be acquired by caller).
+ *
+ * @param[in] dev
+ * Pointer to Ethernet device.
+ * @param[in] tbl
+ * Pointer to the meter table set.
+ *
+ * @return
+ * Always 0.
+ */
+static int
+flow_dv_destroy_mtr_tbl(struct rte_eth_dev *dev,
+ struct mlx5_meter_domains_infos *tbl)
+{
+ struct mlx5_priv *priv = dev->data->dev_private;
+ struct mlx5_meter_domains_infos *mtd =
+ (struct mlx5_meter_domains_infos *)tbl;
+
+ if (!mtd || !priv->config.dv_flow_en)
+ return 0;
+ if (mtd->ingress.policer_rules[RTE_MTR_DROPPED])
+ claim_zero(mlx5_glue->dv_destroy_flow
+ (mtd->ingress.policer_rules[RTE_MTR_DROPPED]));
+ if (mtd->egress.policer_rules[RTE_MTR_DROPPED])
+ claim_zero(mlx5_glue->dv_destroy_flow
+ (mtd->egress.policer_rules[RTE_MTR_DROPPED]));
+ if (mtd->transfer.policer_rules[RTE_MTR_DROPPED])
+ claim_zero(mlx5_glue->dv_destroy_flow
+ (mtd->transfer.policer_rules[RTE_MTR_DROPPED]));
+ if (mtd->egress.color_matcher)
+ claim_zero(mlx5_glue->dv_destroy_flow_matcher
+ (mtd->egress.color_matcher));
+ if (mtd->egress.any_matcher)
+ claim_zero(mlx5_glue->dv_destroy_flow_matcher
+ (mtd->egress.any_matcher));
+ if (mtd->egress.tbl)
+ claim_zero(flow_dv_tbl_resource_release(mtd->egress.tbl));
+ if (mtd->ingress.color_matcher)
+ claim_zero(mlx5_glue->dv_destroy_flow_matcher
+ (mtd->ingress.color_matcher));
+ if (mtd->ingress.any_matcher)
+ claim_zero(mlx5_glue->dv_destroy_flow_matcher
+ (mtd->ingress.any_matcher));
+ if (mtd->ingress.tbl)
+ claim_zero(flow_dv_tbl_resource_release(mtd->ingress.tbl));
+ if (mtd->transfer.color_matcher)
+ claim_zero(mlx5_glue->dv_destroy_flow_matcher
+ (mtd->transfer.color_matcher));
+ if (mtd->transfer.any_matcher)
+ claim_zero(mlx5_glue->dv_destroy_flow_matcher
+ (mtd->transfer.any_matcher));
+ if (mtd->transfer.tbl)
+ claim_zero(flow_dv_tbl_resource_release(mtd->transfer.tbl));
+ if (mtd->drop_actn)
+ claim_zero(mlx5_glue->destroy_flow_action(mtd->drop_actn));
+ rte_free(mtd);
+ return 0;
+}
+
+/* Number of meter flow actions, count and jump or count and drop. */
+#define METER_ACTIONS 2
+
+/**
+ * Create specify domain meter table and suffix table.
+ *
+ * @param[in] dev
+ * Pointer to Ethernet device.
+ * @param[in,out] mtb
+ * Pointer to DV meter table set.
+ * @param[in] egress
+ * Table attribute.
+ * @param[in] transfer
+ * Table attribute.
+ * @param[in] color_reg_c_idx
+ * Reg C index for color match.
+ *
+ * @return
+ * 0 on success, -1 otherwise and rte_errno is set.
+ */
+static int
+flow_dv_prepare_mtr_tables(struct rte_eth_dev *dev,
+ struct mlx5_meter_domains_infos *mtb,
+ uint8_t egress, uint8_t transfer,
+ uint32_t color_reg_c_idx)
+{
+ struct mlx5_priv *priv = dev->data->dev_private;
+ struct mlx5_ibv_shared *sh = priv->sh;
+ struct mlx5_flow_dv_match_params mask = {
+ .size = sizeof(mask.buf),
+ };
+ struct mlx5_flow_dv_match_params value = {
+ .size = sizeof(value.buf),
+ };
+ struct mlx5dv_flow_matcher_attr dv_attr = {
+ .type = IBV_FLOW_ATTR_NORMAL,
+ .priority = 0,
+ .match_criteria_enable = 0,
+ .match_mask = (void *)&mask,
+ };
+ void *actions[METER_ACTIONS];
+ struct mlx5_flow_tbl_resource **sfx_tbl;
+ struct mlx5_meter_domain_info *dtb;
+ struct rte_flow_error error;
+ int i = 0;
+
+ if (transfer) {
+ sfx_tbl = &sh->fdb_mtr_sfx_tbl;
+ dtb = &mtb->transfer;
+ } else if (egress) {
+ sfx_tbl = &sh->tx_mtr_sfx_tbl;
+ dtb = &mtb->egress;
+ } else {
+ sfx_tbl = &sh->rx_mtr_sfx_tbl;
+ dtb = &mtb->ingress;
+ }
+ /* If the suffix table in missing, create it. */
+ if (!(*sfx_tbl)) {
+ *sfx_tbl = flow_dv_tbl_resource_get(dev,
+ MLX5_FLOW_TABLE_LEVEL_SUFFIX,
+ egress, transfer, &error);
+ if (!(*sfx_tbl)) {
+ DRV_LOG(ERR, "Failed to create meter suffix table.");
+ return -1;
+ }
+ }
+ /* Create the meter table with METER level. */
+ dtb->tbl = flow_dv_tbl_resource_get(dev, MLX5_FLOW_TABLE_LEVEL_METER,
+ egress, transfer, &error);
+ if (!dtb->tbl) {
+ DRV_LOG(ERR, "Failed to create meter policer table.");
+ return -1;
+ }
+ /* Create matchers, Any and Color. */
+ dv_attr.priority = 3;
+ dv_attr.match_criteria_enable = 0;
+ dtb->any_matcher = mlx5_glue->dv_create_flow_matcher(sh->ctx,
+ &dv_attr,
+ dtb->tbl->obj);
+ if (!dtb->any_matcher) {
+ DRV_LOG(ERR, "Failed to create meter"
+ " policer default matcher.");
+ goto error_exit;
+ }
+ dv_attr.priority = 0;
+ dv_attr.match_criteria_enable =
+ 1 << MLX5_MATCH_CRITERIA_ENABLE_MISC2_BIT;
+ flow_dv_match_meta_reg(mask.buf, value.buf, color_reg_c_idx,
+ rte_col_2_mlx5_col(RTE_COLORS), UINT32_MAX);
+ dtb->color_matcher = mlx5_glue->dv_create_flow_matcher(sh->ctx,
+ &dv_attr,
+ dtb->tbl->obj);
+ if (!dtb->color_matcher) {
+ DRV_LOG(ERR, "Failed to create meter policer color matcher.");
+ goto error_exit;
+ }
+ actions[i++] = mtb->drop_actn;
+ /* Default rule: lowest priority, match any, actions: drop. */
+ dtb->policer_rules[RTE_MTR_DROPPED] =
+ mlx5_glue->dv_create_flow(dtb->any_matcher,
+ (void *)&value, i, actions);
+ if (!dtb->policer_rules[RTE_MTR_DROPPED]) {
+ DRV_LOG(ERR, "Failed to create meter policer drop rule.");
+ goto error_exit;
+ }
+ return 0;
+error_exit:
+ return -1;
+}
+
+/**
+ * Create the needed meter and suffix tables.
+ * Lock free, (mutex should be acquired by caller).
+ *
+ * @param[in] dev
+ * Pointer to Ethernet device.
+ *
+ * @return
+ * Pointer to table set on success, NULL otherwise and rte_errno is set.
+ */
+static struct mlx5_meter_domains_infos *
+flow_dv_create_mtr_tbl(struct rte_eth_dev *dev)
+{
+ struct mlx5_priv *priv = dev->data->dev_private;
+ struct mlx5_meter_domains_infos *mtb;
+ int ret;
+
+ if (!priv->mtr_en) {
+ rte_errno = ENOTSUP;
+ return NULL;
+ }
+ mtb = rte_calloc(__func__, 1, sizeof(*mtb), 0);
+ if (!mtb) {
+ DRV_LOG(ERR, "Failed to allocate memory for meter.");
+ return NULL;
+ }
+ /* Create drop action. */
+ mtb->drop_actn = mlx5_glue->dr_create_flow_action_drop();
+ if (!mtb->drop_actn) {
+ DRV_LOG(ERR, "Failed to create drop action.");
+ goto error_exit;
+ }
+ /* Egress meter table. */
+ ret = flow_dv_prepare_mtr_tables(dev, mtb, 1, 0, priv->mtr_color_reg);
+ if (ret) {
+ DRV_LOG(ERR, "Failed to prepare egress meter table.");
+ goto error_exit;
+ }
+ /* Ingress meter table. */
+ ret = flow_dv_prepare_mtr_tables(dev, mtb, 0, 0, priv->mtr_color_reg);
+ if (ret) {
+ DRV_LOG(ERR, "Failed to prepare ingress meter table.");
+ goto error_exit;
+ }
+ /* FDB meter table. */
+ if (priv->config.dv_esw_en) {
+ ret = flow_dv_prepare_mtr_tables(dev, mtb, 0, 1,
+ priv->mtr_color_reg);
+ if (ret) {
+ DRV_LOG(ERR, "Failed to prepare fdb meter table.");
+ goto error_exit;
+ }
+ }
+ return mtb;
+error_exit:
+ flow_dv_destroy_mtr_tbl(dev, mtb);
+ return NULL;
+}
+
+/**
+ * Destroy domain policer rule.
+ *
+ * @param[in] dt
+ * Pointer to domain table.
+ */
+static void
+flow_dv_destroy_domain_policer_rule(struct mlx5_meter_domain_info *dt)
+{
+ int i;
+
+ for (i = 0; i < RTE_MTR_DROPPED; i++) {
+ if (dt->policer_rules[i]) {
+ claim_zero(mlx5_glue->dv_destroy_flow
+ (dt->policer_rules[i]));
+ dt->policer_rules[i] = NULL;
+ }
+ }
+ if (dt->jump_actn) {
+ claim_zero(mlx5_glue->destroy_flow_action(dt->jump_actn));
+ dt->jump_actn = NULL;
+ }
+}
+
+/**
+ * Destroy policer rules.
+ *
+ * @param[in] dev
+ * Pointer to Ethernet device.
+ * @param[in] fm
+ * Pointer to flow meter structure.
+ * @param[in] attr
+ * Pointer to flow attributes.
+ *
+ * @return
+ * Always 0.
+ */
+static int
+flow_dv_destroy_policer_rules(struct rte_eth_dev *dev __rte_unused,
+ const struct mlx5_flow_meter *fm,
+ const struct rte_flow_attr *attr)
+{
+ struct mlx5_meter_domains_infos *mtb = fm ? fm->mfts : NULL;
+
+ if (!mtb)
+ return 0;
+ if (attr->egress)
+ flow_dv_destroy_domain_policer_rule(&mtb->egress);
+ if (attr->ingress)
+ flow_dv_destroy_domain_policer_rule(&mtb->ingress);
+ if (attr->transfer)
+ flow_dv_destroy_domain_policer_rule(&mtb->transfer);
+ return 0;
+}
+
+/**
+ * Create specify domain meter policer rule.
+ *
+ * @param[in] fm
+ * Pointer to flow meter structure.
+ * @param[in] mtb
+ * Pointer to DV meter table set.
+ * @param[in] sfx_tb
+ * Pointer to suffix table.
+ * @param[in] mtr_reg_c
+ * Color match REG_C.
+ *
+ * @return
+ * 0 on success, -1 otherwise.
+ */
+static int
+flow_dv_create_policer_forward_rule(struct mlx5_flow_meter *fm,
+ struct mlx5_meter_domain_info *dtb,
+ struct mlx5_flow_tbl_resource *sfx_tb,
+ uint8_t mtr_reg_c)
+{
+ struct mlx5_flow_dv_match_params matcher = {
+ .size = sizeof(matcher.buf),
+ };
+ struct mlx5_flow_dv_match_params value = {
+ .size = sizeof(value.buf),
+ };
+ struct mlx5_meter_domains_infos *mtb = fm->mfts;
+ void *actions[METER_ACTIONS];
+ int i;
+
+ /* Create jump action. */
+ if (!sfx_tb)
+ return -1;
+ if (!dtb->jump_actn)
+ dtb->jump_actn =
+ mlx5_glue->dr_create_flow_action_dest_flow_tbl
+ (sfx_tb->obj);
+ if (!dtb->jump_actn) {
+ DRV_LOG(ERR, "Failed to create policer jump action.");
+ goto error;
+ }
+ for (i = 0; i < RTE_MTR_DROPPED; i++) {
+ int j = 0;
+
+ flow_dv_match_meta_reg(matcher.buf, value.buf, mtr_reg_c,
+ rte_col_2_mlx5_col(i), UINT32_MAX);
+ if (fm->params.action[i] == MTR_POLICER_ACTION_DROP)
+ actions[j++] = mtb->drop_actn;
+ else
+ actions[j++] = dtb->jump_actn;
+ dtb->policer_rules[i] =
+ mlx5_glue->dv_create_flow(dtb->color_matcher,
+ (void *)&value,
+ j, actions);
+ if (!dtb->policer_rules[i]) {
+ DRV_LOG(ERR, "Failed to create policer rule.");
+ goto error;
+ }
+ }
+ return 0;
+error:
+ rte_errno = errno;
+ return -1;
+}
+
+/**
+ * Create policer rules.
+ *
+ * @param[in] dev
+ * Pointer to Ethernet device.
+ * @param[in] fm
+ * Pointer to flow meter structure.
+ * @param[in] attr
+ * Pointer to flow attributes.
+ *
+ * @return
+ * 0 on success, -1 otherwise.
+ */
+static int
+flow_dv_create_policer_rules(struct rte_eth_dev *dev,
+ struct mlx5_flow_meter *fm,
+ const struct rte_flow_attr *attr)
+{
+ struct mlx5_priv *priv = dev->data->dev_private;
+ struct mlx5_meter_domains_infos *mtb = fm->mfts;
+ int ret;
+
+ if (attr->egress) {
+ ret = flow_dv_create_policer_forward_rule(fm, &mtb->egress,
+ priv->sh->tx_mtr_sfx_tbl,
+ priv->mtr_color_reg);
+ if (ret) {
+ DRV_LOG(ERR, "Failed to create egress policer.");
+ goto error;
+ }
+ }
+ if (attr->ingress) {
+ ret = flow_dv_create_policer_forward_rule(fm, &mtb->ingress,
+ priv->sh->rx_mtr_sfx_tbl,
+ priv->mtr_color_reg);
+ if (ret) {
+ DRV_LOG(ERR, "Failed to create ingress policer.");
+ goto error;
+ }
+ }
+ if (attr->transfer) {
+ ret = flow_dv_create_policer_forward_rule(fm, &mtb->transfer,
+ priv->sh->fdb_mtr_sfx_tbl,
+ priv->mtr_color_reg);
+ if (ret) {
+ DRV_LOG(ERR, "Failed to create transfer policer.");
+ goto error;
+ }
+ }
+ return 0;
+error:
+ flow_dv_destroy_policer_rules(dev, fm, attr);
+ return -1;
+}
+
+/**
+ * Query a devx counter.
+ *
+ * @param[in] dev
+ * Pointer to the Ethernet device structure.
+ * @param[in] cnt
+ * Pointer to the flow counter.
+ * @param[in] clear
+ * Set to clear the counter statistics.
+ * @param[out] pkts
+ * The statistics value of packets.
+ * @param[out] bytes
+ * The statistics value of bytes.
+ *
+ * @return
+ * 0 on success, otherwise return -1.
+ */
+static int
+flow_dv_counter_query(struct rte_eth_dev *dev,
+ struct mlx5_flow_counter *cnt, bool clear,
+ uint64_t *pkts, uint64_t *bytes)
+{
+ struct mlx5_priv *priv = dev->data->dev_private;
+ uint64_t inn_pkts, inn_bytes;
+ int ret;
+
+ if (!priv->config.devx)
+ return -1;
+ ret = _flow_dv_query_count(dev, cnt, &inn_pkts, &inn_bytes);
+ if (ret)
+ return -1;
+ *pkts = inn_pkts - cnt->hits;
+ *bytes = inn_bytes - cnt->bytes;
+ if (clear) {
+ cnt->hits = inn_pkts;
+ cnt->bytes = inn_bytes;
+ }
+ return 0;
+}
+
/*
* Mutex-protected thunk to lock-free __flow_dv_translate().
*/
flow_dv_shared_unlock(dev);
}
+/*
+ * Mutex-protected thunk to lock-free flow_dv_counter_alloc().
+ */
+static struct mlx5_flow_counter *
+flow_dv_counter_allocate(struct rte_eth_dev *dev)
+{
+ struct mlx5_flow_counter *cnt;
+
+ flow_dv_shared_lock(dev);
+ cnt = flow_dv_counter_alloc(dev, 0, 0, 1);
+ flow_dv_shared_unlock(dev);
+ return cnt;
+}
+
+/*
+ * Mutex-protected thunk to lock-free flow_dv_counter_release().
+ */
+static void
+flow_dv_counter_free(struct rte_eth_dev *dev, struct mlx5_flow_counter *cnt)
+{
+ flow_dv_shared_lock(dev);
+ flow_dv_counter_release(dev, cnt);
+ flow_dv_shared_unlock(dev);
+}
+
const struct mlx5_flow_driver_ops mlx5_flow_dv_drv_ops = {
.validate = flow_dv_validate,
.prepare = flow_dv_prepare,
.remove = flow_dv_remove,
.destroy = flow_dv_destroy,
.query = flow_dv_query,
+ .create_mtr_tbls = flow_dv_create_mtr_tbl,
+ .destroy_mtr_tbls = flow_dv_destroy_mtr_tbl,
+ .create_policer_rules = flow_dv_create_policer_rules,
+ .destroy_policer_rules = flow_dv_destroy_policer_rules,
+ .counter_alloc = flow_dv_counter_allocate,
+ .counter_free = flow_dv_counter_free,
+ .counter_query = flow_dv_counter_query,
};
#endif /* HAVE_IBV_FLOW_DV_SUPPORT */
git.droids-corp.org / dpdk.git / blobdiff