#define I40E_IPV4_TC_SHIFT 4
#define I40E_IPV6_TC_MASK (0x00FF << I40E_IPV4_TC_SHIFT)
#define I40E_IPV6_FRAG_HEADER 44
+#define I40E_TENANT_ARRAY_NUM 3
+#define I40E_TCI_MASK 0xFFFF
static int i40e_flow_validate(struct rte_eth_dev *dev,
const struct rte_flow_attr *attr,
const struct rte_flow_action *actions,
struct rte_flow_error *error,
struct rte_eth_fdir_filter *filter);
+static int i40e_flow_parse_tunnel_pattern(__rte_unused struct rte_eth_dev *dev,
+ const struct rte_flow_item *pattern,
+ struct rte_flow_error *error,
+ struct rte_eth_tunnel_filter_conf *filter);
+static int i40e_flow_parse_tunnel_action(struct rte_eth_dev *dev,
+ const struct rte_flow_action *actions,
+ struct rte_flow_error *error,
+ struct rte_eth_tunnel_filter_conf *filter);
static int i40e_flow_parse_attr(const struct rte_flow_attr *attr,
struct rte_flow_error *error);
static int i40e_flow_parse_ethertype_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_tunnel_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);
const struct rte_flow_ops i40e_flow_ops = {
.validate = i40e_flow_validate,
RTE_FLOW_ITEM_TYPE_END,
};
+/* Pattern matched tunnel filter */
+static enum rte_flow_item_type pattern_vxlan_1[] = {
+ RTE_FLOW_ITEM_TYPE_ETH,
+ RTE_FLOW_ITEM_TYPE_IPV4,
+ RTE_FLOW_ITEM_TYPE_UDP,
+ RTE_FLOW_ITEM_TYPE_VXLAN,
+ RTE_FLOW_ITEM_TYPE_ETH,
+ RTE_FLOW_ITEM_TYPE_END,
+};
+
+static enum rte_flow_item_type pattern_vxlan_2[] = {
+ RTE_FLOW_ITEM_TYPE_ETH,
+ RTE_FLOW_ITEM_TYPE_IPV6,
+ RTE_FLOW_ITEM_TYPE_UDP,
+ RTE_FLOW_ITEM_TYPE_VXLAN,
+ RTE_FLOW_ITEM_TYPE_ETH,
+ RTE_FLOW_ITEM_TYPE_END,
+};
+
+static enum rte_flow_item_type pattern_vxlan_3[] = {
+ RTE_FLOW_ITEM_TYPE_ETH,
+ RTE_FLOW_ITEM_TYPE_IPV4,
+ RTE_FLOW_ITEM_TYPE_UDP,
+ RTE_FLOW_ITEM_TYPE_VXLAN,
+ RTE_FLOW_ITEM_TYPE_ETH,
+ RTE_FLOW_ITEM_TYPE_VLAN,
+ RTE_FLOW_ITEM_TYPE_END,
+};
+
+static enum rte_flow_item_type pattern_vxlan_4[] = {
+ RTE_FLOW_ITEM_TYPE_ETH,
+ RTE_FLOW_ITEM_TYPE_IPV6,
+ RTE_FLOW_ITEM_TYPE_UDP,
+ RTE_FLOW_ITEM_TYPE_VXLAN,
+ RTE_FLOW_ITEM_TYPE_ETH,
+ RTE_FLOW_ITEM_TYPE_VLAN,
+ RTE_FLOW_ITEM_TYPE_END,
+};
+
static struct i40e_valid_pattern i40e_supported_patterns[] = {
/* Ethertype */
{ pattern_ethertype, i40e_flow_parse_ethertype_filter },
{ pattern_fdir_ipv6_tcp_ext, i40e_flow_parse_fdir_filter },
{ pattern_fdir_ipv6_sctp, i40e_flow_parse_fdir_filter },
{ pattern_fdir_ipv6_sctp_ext, i40e_flow_parse_fdir_filter },
+ /* tunnel */
+ { pattern_vxlan_1, i40e_flow_parse_tunnel_filter },
+ { pattern_vxlan_2, i40e_flow_parse_tunnel_filter },
+ { pattern_vxlan_3, i40e_flow_parse_tunnel_filter },
+ { pattern_vxlan_4, i40e_flow_parse_tunnel_filter },
};
#define NEXT_ITEM_OF_ACTION(act, actions, index) \
return 0;
}
+/* Parse to get the action info of a tunnle filter
+ * Tunnel action only supports QUEUE.
+ */
+static int
+i40e_flow_parse_tunnel_action(struct rte_eth_dev *dev,
+ const struct rte_flow_action *actions,
+ struct rte_flow_error *error,
+ struct rte_eth_tunnel_filter_conf *filter)
+{
+ struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
+ const struct rte_flow_action *act;
+ const struct rte_flow_action_queue *act_q;
+ uint32_t index = 0;
+
+ /* Check if the first non-void action is QUEUE. */
+ NEXT_ITEM_OF_ACTION(act, actions, index);
+ if (act->type != RTE_FLOW_ACTION_TYPE_QUEUE) {
+ rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ACTION,
+ act, "Not supported action.");
+ return -rte_errno;
+ }
+
+ act_q = (const struct rte_flow_action_queue *)act->conf;
+ filter->queue_id = act_q->index;
+ if (filter->queue_id >= pf->dev_data->nb_rx_queues) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ act, "Invalid queue ID for tunnel filter");
+ return -rte_errno;
+ }
+
+ /* Check if the next non-void item is END */
+ index++;
+ NEXT_ITEM_OF_ACTION(act, actions, index);
+ if (act->type != RTE_FLOW_ACTION_TYPE_END) {
+ rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ACTION,
+ act, "Not supported action.");
+ return -rte_errno;
+ }
+
+ return 0;
+}
+
+static int
+i40e_check_tenant_id_mask(const uint8_t *mask)
+{
+ uint32_t j;
+ int is_masked = 0;
+
+ for (j = 0; j < I40E_TENANT_ARRAY_NUM; j++) {
+ if (*(mask + j) == UINT8_MAX) {
+ if (j > 0 && (*(mask + j) != *(mask + j - 1)))
+ return -EINVAL;
+ is_masked = 0;
+ } else if (*(mask + j) == 0) {
+ if (j > 0 && (*(mask + j) != *(mask + j - 1)))
+ return -EINVAL;
+ is_masked = 1;
+ } else {
+ return -EINVAL;
+ }
+ }
+
+ return is_masked;
+}
+
+/* 1. Last in item should be NULL as range is not supported.
+ * 2. Supported filter types: IMAC_IVLAN_TENID, IMAC_IVLAN,
+ * IMAC_TENID, OMAC_TENID_IMAC and IMAC.
+ * 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_vxlan_pattern(const struct rte_flow_item *pattern,
+ struct rte_flow_error *error,
+ struct rte_eth_tunnel_filter_conf *filter)
+{
+ const struct rte_flow_item *item = pattern;
+ const struct rte_flow_item_eth *eth_spec;
+ const struct rte_flow_item_eth *eth_mask;
+ const struct rte_flow_item_eth *o_eth_spec = NULL;
+ const struct rte_flow_item_eth *o_eth_mask = NULL;
+ const struct rte_flow_item_vxlan *vxlan_spec = NULL;
+ const struct rte_flow_item_vxlan *vxlan_mask = NULL;
+ const struct rte_flow_item_eth *i_eth_spec = NULL;
+ const struct rte_flow_item_eth *i_eth_mask = NULL;
+ const struct rte_flow_item_vlan *vlan_spec = NULL;
+ const struct rte_flow_item_vlan *vlan_mask = NULL;
+ bool is_vni_masked = 0;
+ enum rte_flow_item_type item_type;
+ bool vxlan_flag = 0;
+
+ 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:
+ eth_spec = (const struct rte_flow_item_eth *)item->spec;
+ eth_mask = (const struct rte_flow_item_eth *)item->mask;
+ if ((!eth_spec && eth_mask) ||
+ (eth_spec && !eth_mask)) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item,
+ "Invalid ether spec/mask");
+ return -rte_errno;
+ }
+
+ if (eth_spec && eth_mask) {
+ /* DST address of inner MAC shouldn't be masked.
+ * SRC address of Inner MAC should be masked.
+ */
+ if (!is_broadcast_ether_addr(ð_mask->dst) ||
+ !is_zero_ether_addr(ð_mask->src) ||
+ eth_mask->type) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item,
+ "Invalid ether spec/mask");
+ return -rte_errno;
+ }
+
+ if (!vxlan_flag)
+ rte_memcpy(&filter->outer_mac,
+ ð_spec->dst,
+ ETHER_ADDR_LEN);
+ else
+ rte_memcpy(&filter->inner_mac,
+ ð_spec->dst,
+ ETHER_ADDR_LEN);
+ }
+
+ if (!vxlan_flag) {
+ o_eth_spec = eth_spec;
+ o_eth_mask = eth_mask;
+ } else {
+ i_eth_spec = eth_spec;
+ i_eth_mask = eth_mask;
+ }
+
+ break;
+ case RTE_FLOW_ITEM_TYPE_VLAN:
+ vlan_spec =
+ (const struct rte_flow_item_vlan *)item->spec;
+ vlan_mask =
+ (const struct rte_flow_item_vlan *)item->mask;
+ if (vxlan_flag) {
+ vlan_spec =
+ (const struct rte_flow_item_vlan *)item->spec;
+ vlan_mask =
+ (const struct rte_flow_item_vlan *)item->mask;
+ if (!(vlan_spec && vlan_mask)) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item,
+ "Invalid vlan item");
+ return -rte_errno;
+ }
+ } else {
+ if (vlan_spec || vlan_mask)
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item,
+ "Invalid vlan item");
+ return -rte_errno;
+ }
+ break;
+ case RTE_FLOW_ITEM_TYPE_IPV4:
+ case RTE_FLOW_ITEM_TYPE_IPV6:
+ case RTE_FLOW_ITEM_TYPE_UDP:
+ /* IPv4/IPv6/UDP are used to describe protocol,
+ * spec amd 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_VXLAN:
+ vxlan_spec =
+ (const struct rte_flow_item_vxlan *)item->spec;
+ vxlan_mask =
+ (const struct rte_flow_item_vxlan *)item->mask;
+ /* Check if VXLAN item is used to describe protocol.
+ * If yes, both spec and mask should be NULL.
+ * If no, either spec or mask shouldn't be NULL.
+ */
+ if ((!vxlan_spec && vxlan_mask) ||
+ (vxlan_spec && !vxlan_mask)) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item,
+ "Invalid VXLAN item");
+ return -rte_errno;
+ }
+
+ /* Check if VNI is masked. */
+ if (vxlan_mask) {
+ is_vni_masked =
+ i40e_check_tenant_id_mask(vxlan_mask->vni);
+ if (is_vni_masked < 0) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item,
+ "Invalid VNI mask");
+ return -rte_errno;
+ }
+ }
+ vxlan_flag = 1;
+ break;
+ default:
+ break;
+ }
+ }
+
+ /* Check specification and mask to get the filter type */
+ if (vlan_spec && vlan_mask &&
+ (vlan_mask->tci == rte_cpu_to_be_16(I40E_TCI_MASK))) {
+ /* If there's inner vlan */
+ filter->inner_vlan = rte_be_to_cpu_16(vlan_spec->tci)
+ & I40E_TCI_MASK;
+ if (vxlan_spec && vxlan_mask && !is_vni_masked) {
+ /* If there's vxlan */
+ rte_memcpy(&filter->tenant_id, vxlan_spec->vni,
+ RTE_DIM(vxlan_spec->vni));
+ if (!o_eth_spec && !o_eth_mask &&
+ i_eth_spec && i_eth_mask)
+ filter->filter_type =
+ RTE_TUNNEL_FILTER_IMAC_IVLAN_TENID;
+ else {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ NULL,
+ "Invalid filter type");
+ return -rte_errno;
+ }
+ } else if (!vxlan_spec && !vxlan_mask) {
+ /* If there's no vxlan */
+ if (!o_eth_spec && !o_eth_mask &&
+ i_eth_spec && i_eth_mask)
+ filter->filter_type =
+ RTE_TUNNEL_FILTER_IMAC_IVLAN;
+ else {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ NULL,
+ "Invalid filter type");
+ return -rte_errno;
+ }
+ } else {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ NULL,
+ "Invalid filter type");
+ return -rte_errno;
+ }
+ } else if ((!vlan_spec && !vlan_mask) ||
+ (vlan_spec && vlan_mask && vlan_mask->tci == 0x0)) {
+ /* If there's no inner vlan */
+ if (vxlan_spec && vxlan_mask && !is_vni_masked) {
+ /* If there's vxlan */
+ rte_memcpy(&filter->tenant_id, vxlan_spec->vni,
+ RTE_DIM(vxlan_spec->vni));
+ if (!o_eth_spec && !o_eth_mask &&
+ i_eth_spec && i_eth_mask)
+ filter->filter_type =
+ RTE_TUNNEL_FILTER_IMAC_TENID;
+ else if (o_eth_spec && o_eth_mask &&
+ i_eth_spec && i_eth_mask)
+ filter->filter_type =
+ RTE_TUNNEL_FILTER_OMAC_TENID_IMAC;
+ } else if (!vxlan_spec && !vxlan_mask) {
+ /* If there's no vxlan */
+ if (!o_eth_spec && !o_eth_mask &&
+ i_eth_spec && i_eth_mask) {
+ filter->filter_type = ETH_TUNNEL_FILTER_IMAC;
+ } else {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM, NULL,
+ "Invalid filter type");
+ return -rte_errno;
+ }
+ } else {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM, NULL,
+ "Invalid filter type");
+ return -rte_errno;
+ }
+ } else {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM, NULL,
+ "Not supported by tunnel filter.");
+ return -rte_errno;
+ }
+
+ filter->tunnel_type = RTE_TUNNEL_TYPE_VXLAN;
+
+ return 0;
+}
+
+static int
+i40e_flow_parse_tunnel_pattern(__rte_unused struct rte_eth_dev *dev,
+ const struct rte_flow_item *pattern,
+ struct rte_flow_error *error,
+ struct rte_eth_tunnel_filter_conf *filter)
+{
+ int ret;
+
+ ret = i40e_flow_parse_vxlan_pattern(pattern, error, filter);
+
+ return ret;
+}
+
+static int
+i40e_flow_parse_tunnel_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 rte_eth_tunnel_filter_conf *tunnel_filter =
+ &filter->tunnel_filter;
+ int ret;
+
+ ret = i40e_flow_parse_tunnel_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;
+
+ return ret;
+}
+
static int
i40e_flow_validate(struct rte_eth_dev *dev,
const struct rte_flow_attr *attr,
git.droids-corp.org / dpdk.git / commitdiff