return 0;
}
+/**
+ * RTE_TABLE_ACTION_LB
+ */
+static int
+lb_cfg_check(struct rte_table_action_lb_config *cfg)
+{
+ if ((cfg == NULL) ||
+ (cfg->key_size < RTE_TABLE_ACTION_LB_KEY_SIZE_MIN) ||
+ (cfg->key_size > RTE_TABLE_ACTION_LB_KEY_SIZE_MAX) ||
+ (!rte_is_power_of_2(cfg->key_size)) ||
+ (cfg->f_hash == NULL))
+ return -1;
+
+ return 0;
+}
+
+struct lb_data {
+ uint32_t out[RTE_TABLE_ACTION_LB_TABLE_SIZE];
+} __attribute__((__packed__));
+
+static int
+lb_apply(struct lb_data *data,
+ struct rte_table_action_lb_params *p)
+{
+ memcpy(data->out, p->out, sizeof(data->out));
+
+ return 0;
+}
+
+static __rte_always_inline void
+pkt_work_lb(struct rte_mbuf *mbuf,
+ struct lb_data *data,
+ struct rte_table_action_lb_config *cfg)
+{
+ uint8_t *pkt_key = RTE_MBUF_METADATA_UINT8_PTR(mbuf, cfg->key_offset);
+ uint32_t *out = RTE_MBUF_METADATA_UINT32_PTR(mbuf, cfg->out_offset);
+ uint64_t digest, pos;
+ uint32_t out_val;
+
+ digest = cfg->f_hash(pkt_key,
+ cfg->key_mask,
+ cfg->key_size,
+ cfg->seed);
+ pos = digest & (RTE_TABLE_ACTION_LB_TABLE_SIZE - 1);
+ out_val = data->out[pos];
+
+ *out = out_val;
+}
+
/**
* RTE_TABLE_ACTION_MTR
*/
{
switch (action) {
case RTE_TABLE_ACTION_FWD:
+ case RTE_TABLE_ACTION_LB:
case RTE_TABLE_ACTION_MTR:
case RTE_TABLE_ACTION_TM:
case RTE_TABLE_ACTION_ENCAP:
struct ap_config {
uint64_t action_mask;
struct rte_table_action_common_config common;
+ struct rte_table_action_lb_config lb;
struct rte_table_action_mtr_config mtr;
struct rte_table_action_tm_config tm;
struct rte_table_action_encap_config encap;
action_cfg_size(enum rte_table_action_type action)
{
switch (action) {
+ case RTE_TABLE_ACTION_LB:
+ return sizeof(struct rte_table_action_lb_config);
case RTE_TABLE_ACTION_MTR:
return sizeof(struct rte_table_action_mtr_config);
case RTE_TABLE_ACTION_TM:
enum rte_table_action_type type)
{
switch (type) {
+ case RTE_TABLE_ACTION_LB:
+ return &ap_config->lb;
+
case RTE_TABLE_ACTION_MTR:
return &ap_config->mtr;
case RTE_TABLE_ACTION_FWD:
return sizeof(struct fwd_data);
+ case RTE_TABLE_ACTION_LB:
+ return sizeof(struct lb_data);
+
case RTE_TABLE_ACTION_MTR:
return mtr_data_size(&ap_config->mtr);
return -EINVAL;
switch (type) {
+ case RTE_TABLE_ACTION_LB:
+ status = lb_cfg_check(action_config);
+ break;
+
case RTE_TABLE_ACTION_MTR:
status = mtr_cfg_check(action_config);
break;
return fwd_apply(action_data,
action_params);
+ case RTE_TABLE_ACTION_LB:
+ return lb_apply(action_data,
+ action_params);
+
case RTE_TABLE_ACTION_MTR:
return mtr_apply(action_data,
action_params,
rte_ntohs(hdr->payload_len) + sizeof(struct ipv6_hdr);
}
+ if (cfg->action_mask & (1LLU << RTE_TABLE_ACTION_LB)) {
+ void *data =
+ action_data_get(table_entry, action, RTE_TABLE_ACTION_LB);
+
+ pkt_work_lb(mbuf,
+ data,
+ &cfg->lb);
+ }
if (cfg->action_mask & (1LLU << RTE_TABLE_ACTION_MTR)) {
void *data =
action_data_get(table_entry, action, RTE_TABLE_ACTION_MTR);
rte_ntohs(hdr3->payload_len) + sizeof(struct ipv6_hdr);
}
+ if (cfg->action_mask & (1LLU << RTE_TABLE_ACTION_LB)) {
+ void *data0 =
+ action_data_get(table_entry0, action, RTE_TABLE_ACTION_LB);
+ void *data1 =
+ action_data_get(table_entry1, action, RTE_TABLE_ACTION_LB);
+ void *data2 =
+ action_data_get(table_entry2, action, RTE_TABLE_ACTION_LB);
+ void *data3 =
+ action_data_get(table_entry3, action, RTE_TABLE_ACTION_LB);
+
+ pkt_work_lb(mbuf0,
+ data0,
+ &cfg->lb);
+
+ pkt_work_lb(mbuf1,
+ data1,
+ &cfg->lb);
+
+ pkt_work_lb(mbuf2,
+ data2,
+ &cfg->lb);
+
+ pkt_work_lb(mbuf3,
+ data3,
+ &cfg->lb);
+ }
+
if (cfg->action_mask & (1LLU << RTE_TABLE_ACTION_MTR)) {
void *data0 =
action_data_get(table_entry0, action, RTE_TABLE_ACTION_MTR);