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-rw-r--r--drivers/infiniband/hw/mlx5/main.c463
-rw-r--r--drivers/infiniband/hw/mlx5/mlx5_ib.h45
-rw-r--r--include/linux/mlx5/fs.h10
3 files changed, 517 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 7e97cb55a6bf..b0ec175cc6ba 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -43,6 +43,9 @@
#include <linux/mlx5/vport.h>
#include <rdma/ib_smi.h>
#include <rdma/ib_umem.h>
+#include <linux/in.h>
+#include <linux/etherdevice.h>
+#include <linux/mlx5/fs.h>
#include "user.h"
#include "mlx5_ib.h"
@@ -835,6 +838,457 @@ static int mlx5_ib_dealloc_pd(struct ib_pd *pd)
return 0;
}
+static bool outer_header_zero(u32 *match_criteria)
+{
+ int size = MLX5_ST_SZ_BYTES(fte_match_param);
+ char *outer_headers_c = MLX5_ADDR_OF(fte_match_param, match_criteria,
+ outer_headers);
+
+ return outer_headers_c[0] == 0 && !memcmp(outer_headers_c,
+ outer_headers_c + 1,
+ size - 1);
+}
+
+static int parse_flow_attr(u32 *match_c, u32 *match_v,
+ union ib_flow_spec *ib_spec)
+{
+ void *outer_headers_c = MLX5_ADDR_OF(fte_match_param, match_c,
+ outer_headers);
+ void *outer_headers_v = MLX5_ADDR_OF(fte_match_param, match_v,
+ outer_headers);
+ switch (ib_spec->type) {
+ case IB_FLOW_SPEC_ETH:
+ if (ib_spec->size != sizeof(ib_spec->eth))
+ return -EINVAL;
+
+ ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_c,
+ dmac_47_16),
+ ib_spec->eth.mask.dst_mac);
+ ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_v,
+ dmac_47_16),
+ ib_spec->eth.val.dst_mac);
+
+ if (ib_spec->eth.mask.vlan_tag) {
+ MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c,
+ vlan_tag, 1);
+ MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v,
+ vlan_tag, 1);
+
+ MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c,
+ first_vid, ntohs(ib_spec->eth.mask.vlan_tag));
+ MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v,
+ first_vid, ntohs(ib_spec->eth.val.vlan_tag));
+
+ MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c,
+ first_cfi,
+ ntohs(ib_spec->eth.mask.vlan_tag) >> 12);
+ MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v,
+ first_cfi,
+ ntohs(ib_spec->eth.val.vlan_tag) >> 12);
+
+ MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c,
+ first_prio,
+ ntohs(ib_spec->eth.mask.vlan_tag) >> 13);
+ MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v,
+ first_prio,
+ ntohs(ib_spec->eth.val.vlan_tag) >> 13);
+ }
+ MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c,
+ ethertype, ntohs(ib_spec->eth.mask.ether_type));
+ MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v,
+ ethertype, ntohs(ib_spec->eth.val.ether_type));
+ break;
+ case IB_FLOW_SPEC_IPV4:
+ if (ib_spec->size != sizeof(ib_spec->ipv4))
+ return -EINVAL;
+
+ MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c,
+ ethertype, 0xffff);
+ MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v,
+ ethertype, ETH_P_IP);
+
+ memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_c,
+ src_ipv4_src_ipv6.ipv4_layout.ipv4),
+ &ib_spec->ipv4.mask.src_ip,
+ sizeof(ib_spec->ipv4.mask.src_ip));
+ memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_v,
+ src_ipv4_src_ipv6.ipv4_layout.ipv4),
+ &ib_spec->ipv4.val.src_ip,
+ sizeof(ib_spec->ipv4.val.src_ip));
+ memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_c,
+ dst_ipv4_dst_ipv6.ipv4_layout.ipv4),
+ &ib_spec->ipv4.mask.dst_ip,
+ sizeof(ib_spec->ipv4.mask.dst_ip));
+ memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_v,
+ dst_ipv4_dst_ipv6.ipv4_layout.ipv4),
+ &ib_spec->ipv4.val.dst_ip,
+ sizeof(ib_spec->ipv4.val.dst_ip));
+ break;
+ case IB_FLOW_SPEC_TCP:
+ if (ib_spec->size != sizeof(ib_spec->tcp_udp))
+ return -EINVAL;
+
+ MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, ip_protocol,
+ 0xff);
+ MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, ip_protocol,
+ IPPROTO_TCP);
+
+ MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, tcp_sport,
+ ntohs(ib_spec->tcp_udp.mask.src_port));
+ MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, tcp_sport,
+ ntohs(ib_spec->tcp_udp.val.src_port));
+
+ MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, tcp_dport,
+ ntohs(ib_spec->tcp_udp.mask.dst_port));
+ MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, tcp_dport,
+ ntohs(ib_spec->tcp_udp.val.dst_port));
+ break;
+ case IB_FLOW_SPEC_UDP:
+ if (ib_spec->size != sizeof(ib_spec->tcp_udp))
+ return -EINVAL;
+
+ MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, ip_protocol,
+ 0xff);
+ MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, ip_protocol,
+ IPPROTO_UDP);
+
+ MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, udp_sport,
+ ntohs(ib_spec->tcp_udp.mask.src_port));
+ MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, udp_sport,
+ ntohs(ib_spec->tcp_udp.val.src_port));
+
+ MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, udp_dport,
+ ntohs(ib_spec->tcp_udp.mask.dst_port));
+ MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, udp_dport,
+ ntohs(ib_spec->tcp_udp.val.dst_port));
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+/* If a flow could catch both multicast and unicast packets,
+ * it won't fall into the multicast flow steering table and this rule
+ * could steal other multicast packets.
+ */
+static bool flow_is_multicast_only(struct ib_flow_attr *ib_attr)
+{
+ struct ib_flow_spec_eth *eth_spec;
+
+ if (ib_attr->type != IB_FLOW_ATTR_NORMAL ||
+ ib_attr->size < sizeof(struct ib_flow_attr) +
+ sizeof(struct ib_flow_spec_eth) ||
+ ib_attr->num_of_specs < 1)
+ return false;
+
+ eth_spec = (struct ib_flow_spec_eth *)(ib_attr + 1);
+ if (eth_spec->type != IB_FLOW_SPEC_ETH ||
+ eth_spec->size != sizeof(*eth_spec))
+ return false;
+
+ return is_multicast_ether_addr(eth_spec->mask.dst_mac) &&
+ is_multicast_ether_addr(eth_spec->val.dst_mac);
+}
+
+static bool is_valid_attr(struct ib_flow_attr *flow_attr)
+{
+ union ib_flow_spec *ib_spec = (union ib_flow_spec *)(flow_attr + 1);
+ bool has_ipv4_spec = false;
+ bool eth_type_ipv4 = true;
+ unsigned int spec_index;
+
+ /* Validate that ethertype is correct */
+ for (spec_index = 0; spec_index < flow_attr->num_of_specs; spec_index++) {
+ if (ib_spec->type == IB_FLOW_SPEC_ETH &&
+ ib_spec->eth.mask.ether_type) {
+ if (!((ib_spec->eth.mask.ether_type == htons(0xffff)) &&
+ ib_spec->eth.val.ether_type == htons(ETH_P_IP)))
+ eth_type_ipv4 = false;
+ } else if (ib_spec->type == IB_FLOW_SPEC_IPV4) {
+ has_ipv4_spec = true;
+ }
+ ib_spec = (void *)ib_spec + ib_spec->size;
+ }
+ return !has_ipv4_spec || eth_type_ipv4;
+}
+
+static void put_flow_table(struct mlx5_ib_dev *dev,
+ struct mlx5_ib_flow_prio *prio, bool ft_added)
+{
+ prio->refcount -= !!ft_added;
+ if (!prio->refcount) {
+ mlx5_destroy_flow_table(prio->flow_table);
+ prio->flow_table = NULL;
+ }
+}
+
+static int mlx5_ib_destroy_flow(struct ib_flow *flow_id)
+{
+ struct mlx5_ib_dev *dev = to_mdev(flow_id->qp->device);
+ struct mlx5_ib_flow_handler *handler = container_of(flow_id,
+ struct mlx5_ib_flow_handler,
+ ibflow);
+ struct mlx5_ib_flow_handler *iter, *tmp;
+
+ mutex_lock(&dev->flow_db.lock);
+
+ list_for_each_entry_safe(iter, tmp, &handler->list, list) {
+ mlx5_del_flow_rule(iter->rule);
+ list_del(&iter->list);
+ kfree(iter);
+ }
+
+ mlx5_del_flow_rule(handler->rule);
+ put_flow_table(dev, &dev->flow_db.prios[handler->prio], true);
+ mutex_unlock(&dev->flow_db.lock);
+
+ kfree(handler);
+
+ return 0;
+}
+
+#define MLX5_FS_MAX_TYPES 10
+#define MLX5_FS_MAX_ENTRIES 32000UL
+static struct mlx5_ib_flow_prio *get_flow_table(struct mlx5_ib_dev *dev,
+ struct ib_flow_attr *flow_attr)
+{
+ struct mlx5_flow_namespace *ns = NULL;
+ struct mlx5_ib_flow_prio *prio;
+ struct mlx5_flow_table *ft;
+ int num_entries;
+ int num_groups;
+ int priority;
+ int err = 0;
+
+ if (flow_attr->type == IB_FLOW_ATTR_NORMAL) {
+ if (flow_is_multicast_only(flow_attr))
+ priority = MLX5_IB_FLOW_MCAST_PRIO;
+ else
+ priority = flow_attr->priority;
+ ns = mlx5_get_flow_namespace(dev->mdev,
+ MLX5_FLOW_NAMESPACE_BYPASS);
+ num_entries = MLX5_FS_MAX_ENTRIES;
+ num_groups = MLX5_FS_MAX_TYPES;
+ prio = &dev->flow_db.prios[priority];
+ } else if (flow_attr->type == IB_FLOW_ATTR_ALL_DEFAULT ||
+ flow_attr->type == IB_FLOW_ATTR_MC_DEFAULT) {
+ ns = mlx5_get_flow_namespace(dev->mdev,
+ MLX5_FLOW_NAMESPACE_LEFTOVERS);
+ build_leftovers_ft_param(&priority,
+ &num_entries,
+ &num_groups);
+ prio = &dev->flow_db.prios[MLX5_IB_FLOW_LEFTOVERS_PRIO];
+ }
+
+ if (!ns)
+ return ERR_PTR(-ENOTSUPP);
+
+ ft = prio->flow_table;
+ if (!ft) {
+ ft = mlx5_create_auto_grouped_flow_table(ns, priority,
+ num_entries,
+ num_groups);
+
+ if (!IS_ERR(ft)) {
+ prio->refcount = 0;
+ prio->flow_table = ft;
+ } else {
+ err = PTR_ERR(ft);
+ }
+ }
+
+ return err ? ERR_PTR(err) : prio;
+}
+
+static struct mlx5_ib_flow_handler *create_flow_rule(struct mlx5_ib_dev *dev,
+ struct mlx5_ib_flow_prio *ft_prio,
+ struct ib_flow_attr *flow_attr,
+ struct mlx5_flow_destination *dst)
+{
+ struct mlx5_flow_table *ft = ft_prio->flow_table;
+ struct mlx5_ib_flow_handler *handler;
+ void *ib_flow = flow_attr + 1;
+ u8 match_criteria_enable = 0;
+ unsigned int spec_index;
+ u32 *match_c;
+ u32 *match_v;
+ int err = 0;
+
+ if (!is_valid_attr(flow_attr))
+ return ERR_PTR(-EINVAL);
+
+ match_c = kzalloc(MLX5_ST_SZ_BYTES(fte_match_param), GFP_KERNEL);
+ match_v = kzalloc(MLX5_ST_SZ_BYTES(fte_match_param), GFP_KERNEL);
+ handler = kzalloc(sizeof(*handler), GFP_KERNEL);
+ if (!handler || !match_c || !match_v) {
+ err = -ENOMEM;
+ goto free;
+ }
+
+ INIT_LIST_HEAD(&handler->list);
+
+ for (spec_index = 0; spec_index < flow_attr->num_of_specs; spec_index++) {
+ err = parse_flow_attr(match_c, match_v, ib_flow);
+ if (err < 0)
+ goto free;
+
+ ib_flow += ((union ib_flow_spec *)ib_flow)->size;
+ }
+
+ /* Outer header support only */
+ match_criteria_enable = (!outer_header_zero(match_c)) << 0;
+ handler->rule = mlx5_add_flow_rule(ft, match_criteria_enable,
+ match_c, match_v,
+ MLX5_FLOW_CONTEXT_ACTION_FWD_DEST,
+ MLX5_FS_DEFAULT_FLOW_TAG,
+ dst);
+
+ if (IS_ERR(handler->rule)) {
+ err = PTR_ERR(handler->rule);
+ goto free;
+ }
+
+ handler->prio = ft_prio - dev->flow_db.prios;
+
+ ft_prio->flow_table = ft;
+free:
+ if (err)
+ kfree(handler);
+ kfree(match_c);
+ kfree(match_v);
+ return err ? ERR_PTR(err) : handler;
+}
+
+enum {
+ LEFTOVERS_MC,
+ LEFTOVERS_UC,
+};
+
+static struct mlx5_ib_flow_handler *create_leftovers_rule(struct mlx5_ib_dev *dev,
+ struct mlx5_ib_flow_prio *ft_prio,
+ struct ib_flow_attr *flow_attr,
+ struct mlx5_flow_destination *dst)
+{
+ struct mlx5_ib_flow_handler *handler_ucast = NULL;
+ struct mlx5_ib_flow_handler *handler = NULL;
+
+ static struct {
+ struct ib_flow_attr flow_attr;
+ struct ib_flow_spec_eth eth_flow;
+ } leftovers_specs[] = {
+ [LEFTOVERS_MC] = {
+ .flow_attr = {
+ .num_of_specs = 1,
+ .size = sizeof(leftovers_specs[0])
+ },
+ .eth_flow = {
+ .type = IB_FLOW_SPEC_ETH,
+ .size = sizeof(struct ib_flow_spec_eth),
+ .mask = {.dst_mac = {0x1} },
+ .val = {.dst_mac = {0x1} }
+ }
+ },
+ [LEFTOVERS_UC] = {
+ .flow_attr = {
+ .num_of_specs = 1,
+ .size = sizeof(leftovers_specs[0])
+ },
+ .eth_flow = {
+ .type = IB_FLOW_SPEC_ETH,
+ .size = sizeof(struct ib_flow_spec_eth),
+ .mask = {.dst_mac = {0x1} },
+ .val = {.dst_mac = {} }
+ }
+ }
+ };
+
+ handler = create_flow_rule(dev, ft_prio,
+ &leftovers_specs[LEFTOVERS_MC].flow_attr,
+ dst);
+ if (!IS_ERR(handler) &&
+ flow_attr->type == IB_FLOW_ATTR_ALL_DEFAULT) {
+ handler_ucast = create_flow_rule(dev, ft_prio,
+ &leftovers_specs[LEFTOVERS_UC].flow_attr,
+ dst);
+ if (IS_ERR(handler_ucast)) {
+ kfree(handler);
+ handler = handler_ucast;
+ } else {
+ list_add(&handler_ucast->list, &handler->list);
+ }
+ }
+
+ return handler;
+}
+
+static struct ib_flow *mlx5_ib_create_flow(struct ib_qp *qp,
+ struct ib_flow_attr *flow_attr,
+ int domain)
+{
+ struct mlx5_ib_dev *dev = to_mdev(qp->device);
+ struct mlx5_ib_flow_handler *handler = NULL;
+ struct mlx5_flow_destination *dst = NULL;
+ struct mlx5_ib_flow_prio *ft_prio;
+ int err;
+
+ if (flow_attr->priority > MLX5_IB_FLOW_LAST_PRIO)
+ return ERR_PTR(-ENOSPC);
+
+ if (domain != IB_FLOW_DOMAIN_USER ||
+ flow_attr->port > MLX5_CAP_GEN(dev->mdev, num_ports) ||
+ flow_attr->flags)
+ return ERR_PTR(-EINVAL);
+
+ dst = kzalloc(sizeof(*dst), GFP_KERNEL);
+ if (!dst)
+ return ERR_PTR(-ENOMEM);
+
+ mutex_lock(&dev->flow_db.lock);
+
+ ft_prio = get_flow_table(dev, flow_attr);
+ if (IS_ERR(ft_prio)) {
+ err = PTR_ERR(ft_prio);
+ goto unlock;
+ }
+
+ dst->type = MLX5_FLOW_DESTINATION_TYPE_TIR;
+ dst->tir_num = to_mqp(qp)->raw_packet_qp.rq.tirn;
+
+ if (flow_attr->type == IB_FLOW_ATTR_NORMAL) {
+ handler = create_flow_rule(dev, ft_prio, flow_attr,
+ dst);
+ } else if (flow_attr->type == IB_FLOW_ATTR_ALL_DEFAULT ||
+ flow_attr->type == IB_FLOW_ATTR_MC_DEFAULT) {
+ handler = create_leftovers_rule(dev, ft_prio, flow_attr,
+ dst);
+ } else {
+ err = -EINVAL;
+ goto destroy_ft;
+ }
+
+ if (IS_ERR(handler)) {
+ err = PTR_ERR(handler);
+ handler = NULL;
+ goto destroy_ft;
+ }
+
+ ft_prio->refcount++;
+ mutex_unlock(&dev->flow_db.lock);
+ kfree(dst);
+
+ return &handler->ibflow;
+
+destroy_ft:
+ put_flow_table(dev, ft_prio, false);
+unlock:
+ mutex_unlock(&dev->flow_db.lock);
+ kfree(dst);
+ kfree(handler);
+ return ERR_PTR(err);
+}
+
static int mlx5_ib_mcg_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
{
struct mlx5_ib_dev *dev = to_mdev(ibqp->device);
@@ -1439,10 +1893,19 @@ static void *mlx5_ib_add(struct mlx5_core_dev *mdev)
(1ull << IB_USER_VERBS_CMD_CLOSE_XRCD);
}
+ if (mlx5_ib_port_link_layer(&dev->ib_dev) ==
+ IB_LINK_LAYER_ETHERNET) {
+ dev->ib_dev.create_flow = mlx5_ib_create_flow;
+ dev->ib_dev.destroy_flow = mlx5_ib_destroy_flow;
+ dev->ib_dev.uverbs_ex_cmd_mask |=
+ (1ull << IB_USER_VERBS_EX_CMD_CREATE_FLOW) |
+ (1ull << IB_USER_VERBS_EX_CMD_DESTROY_FLOW);
+ }
err = init_node_data(dev);
if (err)
goto err_dealloc;
+ mutex_init(&dev->flow_db.lock);
mutex_init(&dev->cap_mask_mutex);
err = create_dev_resources(&dev->devr);
diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h
index 633347260b79..1474cccd1e0f 100644
--- a/drivers/infiniband/hw/mlx5/mlx5_ib.h
+++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h
@@ -105,6 +105,36 @@ struct mlx5_ib_pd {
u32 pdn;
};
+#define MLX5_IB_FLOW_MCAST_PRIO (MLX5_BY_PASS_NUM_PRIOS - 1)
+#define MLX5_IB_FLOW_LAST_PRIO (MLX5_IB_FLOW_MCAST_PRIO - 1)
+#if (MLX5_IB_FLOW_LAST_PRIO <= 0)
+#error "Invalid number of bypass priorities"
+#endif
+#define MLX5_IB_FLOW_LEFTOVERS_PRIO (MLX5_IB_FLOW_MCAST_PRIO + 1)
+
+#define MLX5_IB_NUM_FLOW_FT (MLX5_IB_FLOW_LEFTOVERS_PRIO + 1)
+struct mlx5_ib_flow_prio {
+ struct mlx5_flow_table *flow_table;
+ unsigned int refcount;
+};
+
+struct mlx5_ib_flow_handler {
+ struct list_head list;
+ struct ib_flow ibflow;
+ unsigned int prio;
+ struct mlx5_flow_rule *rule;
+};
+
+struct mlx5_ib_flow_db {
+ struct mlx5_ib_flow_prio prios[MLX5_IB_NUM_FLOW_FT];
+ /* Protect flow steering bypass flow tables
+ * when add/del flow rules.
+ * only single add/removal of flow steering rule could be done
+ * simultaneously.
+ */
+ struct mutex lock;
+};
+
/* Use macros here so that don't have to duplicate
* enum ib_send_flags and enum ib_qp_type for low-level driver
*/
@@ -171,9 +201,21 @@ struct mlx5_ib_pfault {
struct mlx5_pagefault mpfault;
};
+struct mlx5_ib_rq {
+ u32 tirn;
+};
+
+struct mlx5_ib_raw_packet_qp {
+ struct mlx5_ib_rq rq;
+};
+
struct mlx5_ib_qp {
struct ib_qp ibqp;
- struct mlx5_core_qp mqp;
+ union {
+ struct mlx5_core_qp mqp;
+ struct mlx5_ib_raw_packet_qp raw_packet_qp;
+ };
+
struct mlx5_buf buf;
struct mlx5_db db;
@@ -431,6 +473,7 @@ struct mlx5_ib_dev {
*/
struct srcu_struct mr_srcu;
#endif
+ struct mlx5_ib_flow_db flow_db;
};
static inline struct mlx5_ib_cq *to_mibcq(struct mlx5_core_cq *mcq)
diff --git a/include/linux/mlx5/fs.h b/include/linux/mlx5/fs.h
index a94341271e3f..8230caa3fb6e 100644
--- a/include/linux/mlx5/fs.h
+++ b/include/linux/mlx5/fs.h
@@ -38,6 +38,16 @@
#define MLX5_FS_DEFAULT_FLOW_TAG 0x0
+#define LEFTOVERS_RULE_NUM 2
+static inline void build_leftovers_ft_param(int *priority,
+ int *n_ent,
+ int *n_grp)
+{
+ *priority = 0; /* Priority of leftovers_prio-0 */
+ *n_ent = LEFTOVERS_RULE_NUM;
+ *n_grp = LEFTOVERS_RULE_NUM;
+}
+
enum mlx5_flow_namespace_type {
MLX5_FLOW_NAMESPACE_BYPASS,
MLX5_FLOW_NAMESPACE_KERNEL,
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.