[dpdk-dev] [PATCH v2 08/13] net/ice: add support for PFCP
Wei Zhao
wei.zhao1 at intel.com
Thu Apr 2 08:46:15 CEST 2020
This patch add switch filter support for PFCP packets,
it enable swicth filter to direct ipv4/ipv6 packets with
PFCP session or node payload to specific action.
Signed-off-by: Wei Zhao <wei.zhao1 at intel.com>
---
drivers/net/ice/ice_generic_flow.c | 15 +++++++
drivers/net/ice/ice_generic_flow.h | 6 +++
drivers/net/ice/ice_switch_filter.c | 62 +++++++++++++++++++++++++++++
3 files changed, 83 insertions(+)
diff --git a/drivers/net/ice/ice_generic_flow.c b/drivers/net/ice/ice_generic_flow.c
index 189ef6c4a..04dcaba08 100644
--- a/drivers/net/ice/ice_generic_flow.c
+++ b/drivers/net/ice/ice_generic_flow.c
@@ -1400,6 +1400,21 @@ enum rte_flow_item_type pattern_eth_ipv6_l2tp[] = {
RTE_FLOW_ITEM_TYPE_L2TPV3OIP,
RTE_FLOW_ITEM_TYPE_END,
};
+enum rte_flow_item_type pattern_eth_ipv4_pfcp[] = {
+ RTE_FLOW_ITEM_TYPE_ETH,
+ RTE_FLOW_ITEM_TYPE_IPV4,
+ RTE_FLOW_ITEM_TYPE_UDP,
+ RTE_FLOW_ITEM_TYPE_PFCP,
+ RTE_FLOW_ITEM_TYPE_END,
+};
+enum rte_flow_item_type pattern_eth_ipv6_pfcp[] = {
+ RTE_FLOW_ITEM_TYPE_ETH,
+ RTE_FLOW_ITEM_TYPE_IPV6,
+ RTE_FLOW_ITEM_TYPE_UDP,
+ RTE_FLOW_ITEM_TYPE_PFCP,
+ RTE_FLOW_ITEM_TYPE_END,
+};
+
typedef struct ice_flow_engine * (*parse_engine_t)(struct ice_adapter *ad,
diff --git a/drivers/net/ice/ice_generic_flow.h b/drivers/net/ice/ice_generic_flow.h
index 006fd00b3..65cd64c7f 100644
--- a/drivers/net/ice/ice_generic_flow.h
+++ b/drivers/net/ice/ice_generic_flow.h
@@ -400,6 +400,12 @@ extern enum rte_flow_item_type pattern_eth_ipv6_ah[];
/* L2TP */
extern enum rte_flow_item_type pattern_eth_ipv6_l2tp[];
+/* PFCP */
+extern enum rte_flow_item_type pattern_eth_ipv4_pfcp[];
+extern enum rte_flow_item_type pattern_eth_ipv6_pfcp[];
+
+
+
struct ice_adapter;
extern const struct rte_flow_ops ice_flow_ops;
diff --git a/drivers/net/ice/ice_switch_filter.c b/drivers/net/ice/ice_switch_filter.c
index 9c87a16dd..9b4b9346c 100644
--- a/drivers/net/ice/ice_switch_filter.c
+++ b/drivers/net/ice/ice_switch_filter.c
@@ -154,6 +154,10 @@ ice_pattern_match_item ice_switch_pattern_dist_comms[] = {
ICE_INSET_NONE, ICE_INSET_NONE},
{pattern_eth_ipv6_l2tp,
ICE_INSET_NONE, ICE_INSET_NONE},
+ {pattern_eth_ipv4_pfcp,
+ ICE_INSET_NONE, ICE_INSET_NONE},
+ {pattern_eth_ipv6_pfcp,
+ ICE_INSET_NONE, ICE_INSET_NONE},
};
static struct
@@ -224,6 +228,10 @@ ice_pattern_match_item ice_switch_pattern_perm[] = {
ICE_INSET_NONE, ICE_INSET_NONE},
{pattern_eth_ipv6_l2tp,
ICE_INSET_NONE, ICE_INSET_NONE},
+ {pattern_eth_ipv4_pfcp,
+ ICE_INSET_NONE, ICE_INSET_NONE},
+ {pattern_eth_ipv6_pfcp,
+ ICE_INSET_NONE, ICE_INSET_NONE},
};
static int
@@ -350,6 +358,7 @@ ice_switch_inset_get(const struct rte_flow_item pattern[],
const struct rte_flow_item_esp *esp_spec, *esp_mask;
const struct rte_flow_item_ah *ah_spec, *ah_mask;
const struct rte_flow_item_l2tpv3oip *l2tp_spec, *l2tp_mask;
+ const struct rte_flow_item_pfcp *pfcp_spec, *pfcp_mask;
uint64_t input_set = ICE_INSET_NONE;
uint16_t j, t = 0;
uint16_t tunnel_valid = 0;
@@ -996,6 +1005,55 @@ ice_switch_inset_get(const struct rte_flow_item pattern[],
if (ipv6_valiad)
*tun_type = ICE_SW_TUN_PROFID_MAC_IPV6_L2TPV3;
break;
+ case RTE_FLOW_ITEM_TYPE_PFCP:
+ pfcp_spec = item->spec;
+ pfcp_mask = item->mask;
+ /* Check if PFCP item is used to describe protocol.
+ * If yes, both spec and mask should be NULL.
+ * If no, both spec and mask shouldn't be NULL.
+ */
+ if ((!pfcp_spec && pfcp_mask) ||
+ (pfcp_spec && !pfcp_mask)) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item,
+ "Invalid PFCP item");
+ return -ENOTSUP;
+ }
+ if (pfcp_spec && pfcp_mask) {
+ /* Check pfcp mask and update input set */
+ if (pfcp_mask->msg_type ||
+ pfcp_mask->msg_len ||
+ pfcp_mask->seid) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item,
+ "Invalid pfcp mask");
+ return -ENOTSUP;
+ }
+ if (pfcp_mask->s_field &&
+ pfcp_spec->s_field == 0x01 &&
+ ipv6_valiad)
+ *tun_type =
+ ICE_SW_TUN_PROFID_IPV6_PFCP_SESSION;
+ else if (pfcp_mask->s_field &&
+ pfcp_spec->s_field == 0x01)
+ *tun_type =
+ ICE_SW_TUN_PROFID_IPV4_PFCP_SESSION;
+ else if (pfcp_mask->s_field &&
+ !pfcp_spec->s_field &&
+ ipv6_valiad)
+ *tun_type =
+ ICE_SW_TUN_PROFID_IPV6_PFCP_NODE;
+ else if (pfcp_mask->s_field &&
+ !pfcp_spec->s_field)
+ *tun_type =
+ ICE_SW_TUN_PROFID_IPV4_PFCP_NODE;
+ else
+ return -ENOTSUP;
+ }
+ break;
+
case RTE_FLOW_ITEM_TYPE_VOID:
break;
@@ -1179,6 +1237,10 @@ ice_is_profile_rule(enum ice_sw_tunnel_type tun_type)
case ICE_SW_TUN_PROFID_IPV6_ESP:
case ICE_SW_TUN_PROFID_IPV6_AH:
case ICE_SW_TUN_PROFID_MAC_IPV6_L2TPV3:
+ case ICE_SW_TUN_PROFID_IPV4_PFCP_NODE:
+ case ICE_SW_TUN_PROFID_IPV4_PFCP_SESSION:
+ case ICE_SW_TUN_PROFID_IPV6_PFCP_NODE:
+ case ICE_SW_TUN_PROFID_IPV6_PFCP_SESSION:
return true;
default:
break;
--
2.19.1
More information about the dev
mailing list