This patch adds i40e_flow_parse_gtp_filter parsing
function for GTP-C and GTP-U.
Signed-off-by: Beilei Xing <beilei.x...@intel.com>
---
drivers/net/i40e/i40e_ethdev.h | 2 +
drivers/net/i40e/i40e_flow.c | 142 +++++++++++++++++++++++++++++++++++++++++
2 files changed, 144 insertions(+)
diff --git a/drivers/net/i40e/i40e_ethdev.h b/drivers/net/i40e/i40e_ethdev.h
index 9fff85f..f252ff3 100644
--- a/drivers/net/i40e/i40e_ethdev.h
+++ b/drivers/net/i40e/i40e_ethdev.h
@@ -694,6 +694,8 @@ enum i40e_tunnel_type {
I40E_TUNNEL_TYPE_MPLSoUDP,
I40E_TUNNEL_TYPE_MPLSoGRE,
I40E_TUNNEL_TYPE_QINQ,
+ I40E_TUNNEL_TYPE_GTPC,
+ I40E_TUNNEL_TYPE_GTPU,
I40E_TUNNEL_TYPE_MAX,
};
diff --git a/drivers/net/i40e/i40e_flow.c b/drivers/net/i40e/i40e_flow.c
index 6716855..be44abb 100644
--- a/drivers/net/i40e/i40e_flow.c
+++ b/drivers/net/i40e/i40e_flow.c
@@ -125,6 +125,12 @@ static int i40e_flow_parse_mpls_filter(struct rte_eth_dev
*dev,
const struct rte_flow_action actions[],
struct rte_flow_error *error,
union i40e_filter_t *filter);
+static int i40e_flow_parse_gtp_filter(struct rte_eth_dev *dev,
+ const struct rte_flow_attr *attr,
+ const struct rte_flow_item pattern[],
+ const struct rte_flow_action actions[],
+ struct rte_flow_error *error,
+ union i40e_filter_t *filter);
static int i40e_flow_destroy_ethertype_filter(struct i40e_pf *pf,
struct i40e_ethertype_filter *filter);
static int i40e_flow_destroy_tunnel_filter(struct i40e_pf *pf,
@@ -1768,6 +1774,11 @@ static struct i40e_valid_pattern
i40e_supported_patterns[] = {
{ pattern_mpls_2, i40e_flow_parse_mpls_filter },
{ pattern_mpls_3, i40e_flow_parse_mpls_filter },
{ pattern_mpls_4, i40e_flow_parse_mpls_filter },
+ /* GTP-C & GTP-U */
+ { pattern_fdir_ipv4_gtpc, i40e_flow_parse_gtp_filter },
+ { pattern_fdir_ipv4_gtpu, i40e_flow_parse_gtp_filter },
+ { pattern_fdir_ipv6_gtpc, i40e_flow_parse_gtp_filter },
+ { pattern_fdir_ipv6_gtpu, i40e_flow_parse_gtp_filter },
/* QINQ */
{ pattern_qinq_1, i40e_flow_parse_qinq_filter },
};
@@ -3733,6 +3744,137 @@ i40e_flow_parse_mpls_filter(struct rte_eth_dev *dev,
}
/* 1. Last in item should be NULL as range is not supported.
+ * 2. Supported filter types: GTP TEID.
+ * 3. Mask of fields which need to be matched should be
+ * filled with 1.
+ * 4. Mask of fields which needn't to be matched should be
+ * filled with 0.
+ */
+static int
+i40e_flow_parse_gtp_pattern(__rte_unused struct rte_eth_dev *dev,
+ const struct rte_flow_item *pattern,
+ struct rte_flow_error *error,
+ struct i40e_tunnel_filter_conf *filter)
+{
+ const struct rte_flow_item *item = pattern;
+ const struct rte_flow_item_gtp *gtp_spec;
+ const struct rte_flow_item_gtp *gtp_mask;
+ enum rte_flow_item_type item_type;
+
+ for (; item->type != RTE_FLOW_ITEM_TYPE_END; item++) {
+ if (item->last) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item,
+ "Not support range");
+ return -rte_errno;
+ }
+ item_type = item->type;
+ switch (item_type) {
+ case RTE_FLOW_ITEM_TYPE_ETH:
+ if (item->spec || item->mask) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item,
+ "Invalid ETH item");
+ return -rte_errno;
+ }
+ break;
+ case RTE_FLOW_ITEM_TYPE_IPV4:
+ filter->ip_type = I40E_TUNNEL_IPTYPE_IPV4;
+ /* IPv4 is used to describe protocol,
+ * spec and mask should be NULL.
+ */
+ if (item->spec || item->mask) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item,
+ "Invalid IPv4 item");
+ return -rte_errno;
+ }
+ break;
+ case RTE_FLOW_ITEM_TYPE_UDP:
+ if (item->spec || item->mask) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item,
+ "Invalid UDP item");
+ return -rte_errno;
+ }
+ break;
+ case RTE_FLOW_ITEM_TYPE_GTPC:
+ case RTE_FLOW_ITEM_TYPE_GTPU:
+ gtp_spec =
+ (const struct rte_flow_item_gtp *)item->spec;
+ gtp_mask =
+ (const struct rte_flow_item_gtp *)item->mask;
+
+ if (!gtp_spec || !gtp_mask) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item,
+ "Invalid GTP item");
+ return -rte_errno;
+ }
+
+ if (gtp_mask->v_pt_rsv_flags ||
+ gtp_mask->msg_type ||
+ gtp_mask->msg_len ||
+ gtp_mask->teid != UINT32_MAX) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item,
+ "Invalid GTP mask");
+ return -rte_errno;
+ }
+
+ if (item_type == RTE_FLOW_ITEM_TYPE_GTPC)
+ filter->tunnel_type = I40E_TUNNEL_TYPE_GTPC;
+ else if (item_type == RTE_FLOW_ITEM_TYPE_GTPU)
+ filter->tunnel_type = I40E_TUNNEL_TYPE_GTPU;
+
+ filter->tenant_id = rte_be_to_cpu_32(gtp_spec->teid);
+
+ break;
+ default:
+ break;
+ }
+ }
+
+ return 0;
+}
+
+static int
+i40e_flow_parse_gtp_filter(struct rte_eth_dev *dev,
+ const struct rte_flow_attr *attr,
+ const struct rte_flow_item pattern[],
+ const struct rte_flow_action actions[],
+ struct rte_flow_error *error,
+ union i40e_filter_t *filter)
+{
+ struct i40e_tunnel_filter_conf *tunnel_filter =
+ &filter->consistent_tunnel_filter;
+ int ret;
+
+ ret = i40e_flow_parse_gtp_pattern(dev, pattern,
+ error, tunnel_filter);
+ if (ret)
+ return ret;
+
+ ret = i40e_flow_parse_tunnel_action(dev, actions, error, tunnel_filter);
+ if (ret)
+ return ret;
+
+ ret = i40e_flow_parse_attr(attr, error);
+ if (ret)
+ return ret;
+
+ cons_filter_type = RTE_ETH_FILTER_TUNNEL;
+
+ return ret;
+}
+
+/* 1. Last in item should be NULL as range is not supported.
* 2. Supported filter types: QINQ.
* 3. Mask of fields which need to be matched should be
* filled with 1.
--
2.5.5
