@@ -76,7 +76,7 @@ Features
- RX interrupts.
- Statistics query including Basic, Extended and per queue.
- Rx HW timestamp.
-- Tunnel types: VXLAN, L3 VXLAN, VXLAN-GPE, GRE, MPLSoGRE, MPLSoUDP.
+- Tunnel types: VXLAN, L3 VXLAN, VXLAN-GPE, GRE, MPLSoGRE, MPLSoUDP, IP-in-IP.
- Tunnel HW offloads: packet type, inner/outer RSS, IP and UDP checksum verification.
- NIC HW offloads: encapsulation (vxlan, gre, mplsoudp, mplsogre), NAT, routing, TTL
increment/decrement, count, drop, mark. For details please see :ref:`Supported hardware offloads using rte_flow API`.
@@ -540,6 +540,19 @@ Firmware configuration
mlxconfig -d <mst device> query | grep FLEX_PARSER_PROFILE_ENABLE
FLEX_PARSER_PROFILE_ENABLE 2
+- IP-in-IP tunnel enable
+
+ .. code-block:: console
+
+ mlxconfig -d <mst device> set FLEX_PARSER_PROFILE_ENABLE=0
+
+ Verify configurations are set:
+
+ .. code-block:: console
+
+ mlxconfig -d <mst device> query | grep FLEX_PARSER_PROFILE_ENABLE
+ FLEX_PARSER_PROFILE_ENABLE 0
+
Prerequisites
-------------
@@ -112,6 +112,7 @@ New Features
* Updated the packet header modification feature. Added support of TCP header
sequence number and acknowledgment number modification.
* Added support for match on ICMP/ICMP6 code and type.
+ * Added support for IP-in-IP tunnel.
* **Updated Solarflare network PMD.**
@@ -1282,6 +1282,7 @@ mlx5_flow_validate_item_ipv4(const struct rte_flow_item *item,
struct rte_flow_error *error)
{
const struct rte_flow_item_ipv4 *mask = item->mask;
+ const struct rte_flow_item_ipv4 *spec = item->spec;
const struct rte_flow_item_ipv4 nic_mask = {
.hdr = {
.src_addr = RTE_BE32(0xffffffff),
@@ -1296,7 +1297,24 @@ mlx5_flow_validate_item_ipv4(const struct rte_flow_item *item,
const uint64_t l4m = tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
MLX5_FLOW_LAYER_OUTER_L4;
int ret;
+ uint8_t next_proto = 0xFF;
+ if (item_flags & MLX5_FLOW_LAYER_IPIP) {
+ if (mask && spec)
+ next_proto = mask->hdr.next_proto_id &
+ spec->hdr.next_proto_id;
+ if (next_proto == IPPROTO_IPIP || next_proto == IPPROTO_IPV6)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item,
+ "multiple tunnel "
+ "not supported");
+ }
+ if (item_flags & MLX5_FLOW_LAYER_IPV6_ENCAP)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM, item,
+ "wrong tunnel type - IPv6 specified "
+ "but IPv4 item provided");
if (item_flags & l3m)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ITEM, item,
@@ -1346,6 +1364,7 @@ mlx5_flow_validate_item_ipv6(const struct rte_flow_item *item,
struct rte_flow_error *error)
{
const struct rte_flow_item_ipv6 *mask = item->mask;
+ const struct rte_flow_item_ipv6 *spec = item->spec;
const struct rte_flow_item_ipv6 nic_mask = {
.hdr = {
.src_addr =
@@ -1365,7 +1384,23 @@ mlx5_flow_validate_item_ipv6(const struct rte_flow_item *item,
const uint64_t l4m = tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
MLX5_FLOW_LAYER_OUTER_L4;
int ret;
+ uint8_t next_proto = 0xFF;
+ if (item_flags & MLX5_FLOW_LAYER_IPV6_ENCAP) {
+ if (mask && spec)
+ next_proto = mask->hdr.proto & spec->hdr.proto;
+ if (next_proto == IPPROTO_IPIP || next_proto == IPPROTO_IPV6)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item,
+ "multiple tunnel "
+ "not supported");
+ }
+ if (item_flags & MLX5_FLOW_LAYER_IPIP)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM, item,
+ "wrong tunnel type - IPv4 specified "
+ "but IPv6 item provided");
if (item_flags & l3m)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ITEM, item,
@@ -54,6 +54,9 @@
#define MLX5_FLOW_LAYER_ICMP (1u << 18)
#define MLX5_FLOW_LAYER_ICMP6 (1u << 19)
+#define MLX5_FLOW_LAYER_IPIP (1u << 20)
+#define MLX5_FLOW_LAYER_IPV6_ENCAP (1u << 21)
+
/* Outer Masks. */
#define MLX5_FLOW_LAYER_OUTER_L3 \
(MLX5_FLOW_LAYER_OUTER_L3_IPV4 | MLX5_FLOW_LAYER_OUTER_L3_IPV6)
@@ -66,7 +69,8 @@
/* Tunnel Masks. */
#define MLX5_FLOW_LAYER_TUNNEL \
(MLX5_FLOW_LAYER_VXLAN | MLX5_FLOW_LAYER_VXLAN_GPE | \
- MLX5_FLOW_LAYER_GRE | MLX5_FLOW_LAYER_MPLS)
+ MLX5_FLOW_LAYER_GRE | MLX5_FLOW_LAYER_MPLS | \
+ MLX5_FLOW_LAYER_IPIP | MLX5_FLOW_LAYER_IPV6_ENCAP)
/* Inner Masks. */
#define MLX5_FLOW_LAYER_INNER_L3 \
@@ -141,6 +141,39 @@ struct field_modify_info modify_tcp[] = {
{0, 0, 0},
};
+static void
+mlx5_flow_tunnel_ip_check(const struct rte_flow_item *item, uint64_t *flags)
+{
+ uint8_t next_protocol = 0xFF;
+
+ if (item->mask != NULL) {
+ switch (item->type) {
+ case RTE_FLOW_ITEM_TYPE_IPV4:
+ next_protocol =
+ ((const struct rte_flow_item_ipv4 *)
+ (item->spec))->hdr.next_proto_id;
+ next_protocol &=
+ ((const struct rte_flow_item_ipv4 *)
+ (item->mask))->hdr.next_proto_id;
+ break;
+ case RTE_FLOW_ITEM_TYPE_IPV6:
+ next_protocol =
+ ((const struct rte_flow_item_ipv6 *)
+ (item->spec))->hdr.proto;
+ next_protocol &=
+ ((const struct rte_flow_item_ipv6 *)
+ (item->mask))->hdr.proto;
+ break;
+ default:
+ break;
+ }
+ }
+ if (next_protocol == IPPROTO_IPIP)
+ *flags |= MLX5_FLOW_LAYER_IPIP;
+ if (next_protocol == IPPROTO_IPV6)
+ *flags |= MLX5_FLOW_LAYER_IPV6_ENCAP;
+}
+
/**
* Acquire the synchronizing object to protect multithreaded access
* to shared dv context. Lock occurs only if context is actually
@@ -2355,6 +2388,7 @@ flow_dv_validate(struct rte_eth_dev *dev, const struct rte_flow_attr *attr,
/* Reset for inner layer. */
next_protocol = 0xff;
}
+ mlx5_flow_tunnel_ip_check(items, &last_item);
break;
case RTE_FLOW_ITEM_TYPE_IPV6:
ret = mlx5_flow_validate_item_ipv6(items, item_flags,
@@ -2376,6 +2410,7 @@ flow_dv_validate(struct rte_eth_dev *dev, const struct rte_flow_attr *attr,
/* Reset for inner layer. */
next_protocol = 0xff;
}
+ mlx5_flow_tunnel_ip_check(items, &last_item);
break;
case RTE_FLOW_ITEM_TYPE_TCP:
ret = mlx5_flow_validate_item_tcp
@@ -4348,6 +4383,7 @@ flow_dv_translate(struct rte_eth_dev *dev,
MLX5_IPV4_IBV_RX_HASH);
last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L3_IPV4 :
MLX5_FLOW_LAYER_OUTER_L3_IPV4;
+ mlx5_flow_tunnel_ip_check(items, &last_item);
break;
case RTE_FLOW_ITEM_TYPE_IPV6:
flow_dv_translate_item_ipv6(match_mask, match_value,
@@ -4360,6 +4396,7 @@ flow_dv_translate(struct rte_eth_dev *dev,
MLX5_IPV6_IBV_RX_HASH);
last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L3_IPV6 :
MLX5_FLOW_LAYER_OUTER_L3_IPV6;
+ mlx5_flow_tunnel_ip_check(items, &last_item);
break;
case RTE_FLOW_ITEM_TYPE_TCP:
flow_dv_translate_item_tcp(match_mask, match_value,