Add support for matching VXLAN-GPE tunnel header.
Signed-off-by: Gavin Li <gav...@nvidia.com>
Acked-by: Itamar Gozlan <igoz...@nvidia.com>
Acked-by: Dariusz Sosnowski <dsosnow...@nvidia.com>
---
doc/guides/rel_notes/release_24_03.rst | 6 ++
drivers/net/mlx5/hws/mlx5dr_definer.c | 117 +++++++++++++++++++++++++
drivers/net/mlx5/hws/mlx5dr_definer.h | 13 +++
drivers/net/mlx5/mlx5_flow_hw.c | 1 +
4 files changed, 137 insertions(+)
diff --git a/doc/guides/rel_notes/release_24_03.rst
b/doc/guides/rel_notes/release_24_03.rst
index 2c0e2930cc..d5e1b1ad37 100644
--- a/doc/guides/rel_notes/release_24_03.rst
+++ b/doc/guides/rel_notes/release_24_03.rst
@@ -59,6 +59,12 @@ New Features
* Added support for accumulating from src field to dst field.
+ * Added support for VXLAN-GPE flags/rsvd0/rsvd fields matching in DV flow
+ engine (``dv_flow_en`` = 1).
+
+ * Added support for VXLAN-GPE matching in HW Steering flow engine
+ (``dv_flow_en`` = 2).
+
Removed Items
-------------
diff --git a/drivers/net/mlx5/hws/mlx5dr_definer.c
b/drivers/net/mlx5/hws/mlx5dr_definer.c
index 0b60479406..8958049c8f 100644
--- a/drivers/net/mlx5/hws/mlx5dr_definer.c
+++ b/drivers/net/mlx5/hws/mlx5dr_definer.c
@@ -9,6 +9,7 @@
#define ETH_TYPE_IPV4_VXLAN 0x0800
#define ETH_TYPE_IPV6_VXLAN 0x86DD
#define ETH_VXLAN_DEFAULT_PORT 4789
+#define ETH_VXLAN_GPE_DEFAULT_PORT 4790
#define IP_UDP_PORT_MPLS 6635
#define UDP_ROCEV2_PORT 4791
#define DR_FLOW_LAYER_TUNNEL_NO_MPLS (MLX5_FLOW_LAYER_TUNNEL &
~MLX5_FLOW_LAYER_MPLS)
@@ -167,6 +168,10 @@ struct mlx5dr_definer_conv_data {
X(SET, gtp_ext_hdr_qfi, v->hdr.qfi,
rte_flow_item_gtp_psc) \
X(SET, vxlan_flags, v->flags,
rte_flow_item_vxlan) \
X(SET, vxlan_udp_port, ETH_VXLAN_DEFAULT_PORT,
rte_flow_item_vxlan) \
+ X(SET, vxlan_gpe_udp_port, ETH_VXLAN_GPE_DEFAULT_PORT,
rte_flow_item_vxlan_gpe) \
+ X(SET, vxlan_gpe_flags, v->flags,
rte_flow_item_vxlan_gpe) \
+ X(SET, vxlan_gpe_protocol, v->protocol,
rte_flow_item_vxlan_gpe) \
+ X(SET, vxlan_gpe_rsvd1, v->rsvd1,
rte_flow_item_vxlan_gpe) \
X(SET, mpls_udp_port, IP_UDP_PORT_MPLS,
rte_flow_item_mpls) \
X(SET, source_qp, v->queue,
mlx5_rte_flow_item_sq) \
X(SET, tag, v->data,
rte_flow_item_tag) \
@@ -691,6 +696,28 @@ mlx5dr_definer_ib_l4_qp_set(struct mlx5dr_definer_fc *fc,
memcpy(tag + fc->byte_off, &v->hdr.dst_qp, sizeof(v->hdr.dst_qp));
}
+static void
+mlx5dr_definer_vxlan_gpe_vni_set(struct mlx5dr_definer_fc *fc,
+ const void *item_spec,
+ uint8_t *tag)
+{
+ const struct rte_flow_item_vxlan_gpe *v = item_spec;
+
+ memcpy(tag + fc->byte_off, v->vni, sizeof(v->vni));
+}
+
+static void
+mlx5dr_definer_vxlan_gpe_rsvd0_set(struct mlx5dr_definer_fc *fc,
+ const void *item_spec,
+ uint8_t *tag)
+{
+ const struct rte_flow_item_vxlan_gpe *v = item_spec;
+ uint16_t rsvd0;
+
+ rsvd0 = (v->rsvd0[0] << 8 | v->rsvd0[1]);
+ DR_SET(tag, rsvd0, fc->byte_off, fc->bit_off, fc->bit_mask);
+}
+
static int
mlx5dr_definer_conv_item_eth(struct mlx5dr_definer_conv_data *cd,
struct rte_flow_item *item,
@@ -2385,6 +2412,92 @@ mlx5dr_definer_conv_item_ib_l4(struct
mlx5dr_definer_conv_data *cd,
return 0;
}
+static int
+mlx5dr_definer_conv_item_vxlan_gpe(struct mlx5dr_definer_conv_data *cd,
+ struct rte_flow_item *item,
+ int item_idx)
+{
+ const struct rte_flow_item_vxlan_gpe *m = item->mask;
+ struct mlx5dr_definer_fc *fc;
+ bool inner = cd->tunnel;
+
+ if (inner) {
+ DR_LOG(ERR, "Inner VXLAN GPE item not supported");
+ rte_errno = ENOTSUP;
+ return rte_errno;
+ }
+
+ /* In order to match on VXLAN GPE we must match on ip_protocol and
l4_dport */
+ if (!cd->relaxed) {
+ fc = &cd->fc[DR_CALC_FNAME(IP_PROTOCOL, inner)];
+ if (!fc->tag_set) {
+ fc->item_idx = item_idx;
+ fc->tag_mask_set = &mlx5dr_definer_ones_set;
+ fc->tag_set = &mlx5dr_definer_udp_protocol_set;
+ DR_CALC_SET(fc, eth_l2, l4_type_bwc, inner);
+ }
+
+ fc = &cd->fc[DR_CALC_FNAME(L4_DPORT, inner)];
+ if (!fc->tag_set) {
+ fc->item_idx = item_idx;
+ fc->tag_mask_set = &mlx5dr_definer_ones_set;
+ fc->tag_set = &mlx5dr_definer_vxlan_gpe_udp_port_set;
+ DR_CALC_SET(fc, eth_l4, destination_port, inner);
+ }
+ }
+
+ if (!m)
+ return 0;
+
+ if (m->flags) {
+ fc = &cd->fc[MLX5DR_DEFINER_FNAME_VXLAN_GPE_FLAGS];
+ fc->item_idx = item_idx;
+ fc->tag_set = &mlx5dr_definer_vxlan_gpe_flags_set;
+ DR_CALC_SET_HDR(fc, tunnel_header, tunnel_header_0);
+ fc->bit_mask = __mlx5_mask(header_vxlan_gpe, flags);
+ fc->bit_off = __mlx5_dw_bit_off(header_vxlan_gpe, flags);
+ }
+
+ if (!is_mem_zero(m->rsvd0, 2)) {
+ fc = &cd->fc[MLX5DR_DEFINER_FNAME_VXLAN_GPE_RSVD0];
+ fc->item_idx = item_idx;
+ fc->tag_set = &mlx5dr_definer_vxlan_gpe_rsvd0_set;
+ DR_CALC_SET_HDR(fc, tunnel_header, tunnel_header_0);
+ fc->bit_mask = __mlx5_mask(header_vxlan_gpe, rsvd0);
+ fc->bit_off = __mlx5_dw_bit_off(header_vxlan_gpe, rsvd0);
+ }
+
+ if (m->protocol) {
+ fc = &cd->fc[MLX5DR_DEFINER_FNAME_VXLAN_GPE_PROTO];
+ fc->item_idx = item_idx;
+ fc->tag_set = &mlx5dr_definer_vxlan_gpe_protocol_set;
+ DR_CALC_SET_HDR(fc, tunnel_header, tunnel_header_0);
+ fc->byte_off += MLX5_BYTE_OFF(header_vxlan_gpe, protocol);
+ fc->bit_mask = __mlx5_mask(header_vxlan_gpe, protocol);
+ fc->bit_off = __mlx5_dw_bit_off(header_vxlan_gpe, protocol);
+ }
+
+ if (!is_mem_zero(m->vni, 3)) {
+ fc = &cd->fc[MLX5DR_DEFINER_FNAME_VXLAN_GPE_VNI];
+ fc->item_idx = item_idx;
+ fc->tag_set = &mlx5dr_definer_vxlan_gpe_vni_set;
+ DR_CALC_SET_HDR(fc, tunnel_header, tunnel_header_1);
+ fc->bit_mask = __mlx5_mask(header_vxlan_gpe, vni);
+ fc->bit_off = __mlx5_dw_bit_off(header_vxlan_gpe, vni);
+ }
+
+ if (m->rsvd1) {
+ fc = &cd->fc[MLX5DR_DEFINER_FNAME_VXLAN_GPE_RSVD1];
+ fc->item_idx = item_idx;
+ fc->tag_set = &mlx5dr_definer_vxlan_gpe_rsvd1_set;
+ DR_CALC_SET_HDR(fc, tunnel_header, tunnel_header_1);
+ fc->bit_mask = __mlx5_mask(header_vxlan_gpe, rsvd1);
+ fc->bit_off = __mlx5_dw_bit_off(header_vxlan_gpe, rsvd1);
+ }
+
+ return 0;
+}
+
static int
mlx5dr_definer_conv_items_to_hl(struct mlx5dr_context *ctx,
struct mlx5dr_match_template *mt,
@@ -2537,6 +2650,10 @@ mlx5dr_definer_conv_items_to_hl(struct mlx5dr_context
*ctx,
ret = mlx5dr_definer_conv_item_ptype(&cd, items, i);
item_flags |= MLX5_FLOW_ITEM_PTYPE;
break;
+ case RTE_FLOW_ITEM_TYPE_VXLAN_GPE:
+ ret = mlx5dr_definer_conv_item_vxlan_gpe(&cd, items, i);
+ item_flags |= MLX5_FLOW_LAYER_VXLAN_GPE;
+ break;
default:
DR_LOG(ERR, "Unsupported item type %d", items->type);
rte_errno = ENOTSUP;
diff --git a/drivers/net/mlx5/hws/mlx5dr_definer.h
b/drivers/net/mlx5/hws/mlx5dr_definer.h
index 6f1c99e37a..3dc5f4438d 100644
--- a/drivers/net/mlx5/hws/mlx5dr_definer.h
+++ b/drivers/net/mlx5/hws/mlx5dr_definer.h
@@ -91,6 +91,11 @@ enum mlx5dr_definer_fname {
MLX5DR_DEFINER_FNAME_VPORT_REG_C_0,
MLX5DR_DEFINER_FNAME_VXLAN_FLAGS,
MLX5DR_DEFINER_FNAME_VXLAN_VNI,
+ MLX5DR_DEFINER_FNAME_VXLAN_GPE_FLAGS,
+ MLX5DR_DEFINER_FNAME_VXLAN_GPE_RSVD0,
+ MLX5DR_DEFINER_FNAME_VXLAN_GPE_PROTO,
+ MLX5DR_DEFINER_FNAME_VXLAN_GPE_VNI,
+ MLX5DR_DEFINER_FNAME_VXLAN_GPE_RSVD1,
MLX5DR_DEFINER_FNAME_SOURCE_QP,
MLX5DR_DEFINER_FNAME_REG_0,
MLX5DR_DEFINER_FNAME_REG_1,
@@ -593,6 +598,14 @@ struct mlx5_ifc_header_vxlan_bits {
u8 reserved2[0x8];
};
+struct mlx5_ifc_header_vxlan_gpe_bits {
+ u8 flags[0x8];
+ u8 rsvd0[0x10];
+ u8 protocol[0x8];
+ u8 vni[0x18];
+ u8 rsvd1[0x8];
+};
+
struct mlx5_ifc_header_gre_bits {
union {
u8 c_rsvd0_ver[0x10];
diff --git a/drivers/net/mlx5/mlx5_flow_hw.c b/drivers/net/mlx5/mlx5_flow_hw.c
index c4a90a3690..6d8f4f8f8b 100644
--- a/drivers/net/mlx5/mlx5_flow_hw.c
+++ b/drivers/net/mlx5/mlx5_flow_hw.c
@@ -6827,6 +6827,7 @@ flow_hw_pattern_validate(struct rte_eth_dev *dev,
case RTE_FLOW_ITEM_TYPE_GTP:
case RTE_FLOW_ITEM_TYPE_GTP_PSC:
case RTE_FLOW_ITEM_TYPE_VXLAN:
+ case RTE_FLOW_ITEM_TYPE_VXLAN_GPE:
case RTE_FLOW_ITEM_TYPE_MPLS:
case MLX5_RTE_FLOW_ITEM_TYPE_SQ:
case RTE_FLOW_ITEM_TYPE_GRE:
--
2.39.1
