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
*/
}
}
+/**
+ * RTE_TABLE_ACTION_TTL
+ */
+static int
+ttl_cfg_check(struct rte_table_action_ttl_config *ttl)
+{
+ if (ttl->drop == 0)
+ return -ENOTSUP;
+
+ return 0;
+}
+
+struct ttl_data {
+ uint32_t n_packets;
+} __attribute__((__packed__));
+
+#define TTL_INIT(data, decrement) \
+ ((data)->n_packets = (decrement) ? 1 : 0)
+
+#define TTL_DEC_GET(data) \
+ ((uint8_t)((data)->n_packets & 1))
+
+#define TTL_STATS_RESET(data) \
+ ((data)->n_packets = ((data)->n_packets & 1))
+
+#define TTL_STATS_READ(data) \
+ ((data)->n_packets >> 1)
+
+#define TTL_STATS_ADD(data, value) \
+ ((data)->n_packets = \
+ (((((data)->n_packets >> 1) + (value)) << 1) | \
+ ((data)->n_packets & 1)))
+
+static int
+ttl_apply(void *data,
+ struct rte_table_action_ttl_params *p)
+{
+ struct ttl_data *d = data;
+
+ TTL_INIT(d, p->decrement);
+
+ return 0;
+}
+
+static __rte_always_inline uint64_t
+pkt_ipv4_work_ttl(struct ipv4_hdr *ip,
+ struct ttl_data *data)
+{
+ uint32_t drop;
+ uint16_t cksum = ip->hdr_checksum;
+ uint8_t ttl = ip->time_to_live;
+ uint8_t ttl_diff = TTL_DEC_GET(data);
+
+ cksum += ttl_diff;
+ ttl -= ttl_diff;
+
+ ip->hdr_checksum = cksum;
+ ip->time_to_live = ttl;
+
+ drop = (ttl == 0) ? 1 : 0;
+ TTL_STATS_ADD(data, drop);
+
+ return drop;
+}
+
+static __rte_always_inline uint64_t
+pkt_ipv6_work_ttl(struct ipv6_hdr *ip,
+ struct ttl_data *data)
+{
+ uint32_t drop;
+ uint8_t ttl = ip->hop_limits;
+ uint8_t ttl_diff = TTL_DEC_GET(data);
+
+ ttl -= ttl_diff;
+
+ ip->hop_limits = ttl;
+
+ drop = (ttl == 0) ? 1 : 0;
+ TTL_STATS_ADD(data, drop);
+
+ return drop;
+}
+
+/**
+ * RTE_TABLE_ACTION_STATS
+ */
+static int
+stats_cfg_check(struct rte_table_action_stats_config *stats)
+{
+ if ((stats->n_packets_enabled == 0) && (stats->n_bytes_enabled == 0))
+ return -EINVAL;
+
+ return 0;
+}
+
+struct stats_data {
+ uint64_t n_packets;
+ uint64_t n_bytes;
+} __attribute__((__packed__));
+
+static int
+stats_apply(struct stats_data *data,
+ struct rte_table_action_stats_params *p)
+{
+ data->n_packets = p->n_packets;
+ data->n_bytes = p->n_bytes;
+
+ return 0;
+}
+
+static __rte_always_inline void
+pkt_work_stats(struct stats_data *data,
+ uint16_t total_length)
+{
+ data->n_packets++;
+ data->n_bytes += total_length;
+}
+
+/**
+ * RTE_TABLE_ACTION_TIME
+ */
+struct time_data {
+ uint64_t time;
+} __attribute__((__packed__));
+
+static int
+time_apply(struct time_data *data,
+ struct rte_table_action_time_params *p)
+{
+ data->time = p->time;
+ return 0;
+}
+
+static __rte_always_inline void
+pkt_work_time(struct time_data *data,
+ uint64_t time)
+{
+ data->time = time;
+}
+
/**
* Action profile
*/
{
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:
case RTE_TABLE_ACTION_NAT:
+ case RTE_TABLE_ACTION_TTL:
+ case RTE_TABLE_ACTION_STATS:
+ case RTE_TABLE_ACTION_TIME:
return 1;
default:
return 0;
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;
struct rte_table_action_nat_config nat;
+ struct rte_table_action_ttl_config ttl;
+ struct rte_table_action_stats_config stats;
};
static size_t
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:
return sizeof(struct rte_table_action_encap_config);
case RTE_TABLE_ACTION_NAT:
return sizeof(struct rte_table_action_nat_config);
+ case RTE_TABLE_ACTION_TTL:
+ return sizeof(struct rte_table_action_ttl_config);
+ case RTE_TABLE_ACTION_STATS:
+ return sizeof(struct rte_table_action_stats_config);
default:
return 0;
}
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_NAT:
return &ap_config->nat;
+ case RTE_TABLE_ACTION_TTL:
+ return &ap_config->ttl;
+
+ case RTE_TABLE_ACTION_STATS:
+ return &ap_config->stats;
+
default:
return NULL;
}
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 nat_data_size(&ap_config->nat,
&ap_config->common);
+ case RTE_TABLE_ACTION_TTL:
+ return sizeof(struct ttl_data);
+
+ case RTE_TABLE_ACTION_STATS:
+ return sizeof(struct stats_data);
+
+ case RTE_TABLE_ACTION_TIME:
+ return sizeof(struct time_data);
+
default:
return 0;
}
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;
status = nat_cfg_check(action_config);
break;
+ case RTE_TABLE_ACTION_TTL:
+ status = ttl_cfg_check(action_config);
+ break;
+
+ case RTE_TABLE_ACTION_STATS:
+ status = stats_cfg_check(action_config);
+ break;
+
default:
status = 0;
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,
action_params,
&action->cfg.common);
+ case RTE_TABLE_ACTION_TTL:
+ return ttl_apply(action_data,
+ action_params);
+
+ case RTE_TABLE_ACTION_STATS:
+ return stats_apply(action_data,
+ action_params);
+
+ case RTE_TABLE_ACTION_TIME:
+ return time_apply(action_data,
+ action_params);
+
default:
return -EINVAL;
}
return 0;
}
+int
+rte_table_action_ttl_read(struct rte_table_action *action,
+ void *data,
+ struct rte_table_action_ttl_counters *stats,
+ int clear)
+{
+ struct ttl_data *ttl_data;
+
+ /* Check input arguments */
+ if ((action == NULL) ||
+ ((action->cfg.action_mask &
+ (1LLU << RTE_TABLE_ACTION_TTL)) == 0) ||
+ (data == NULL))
+ return -EINVAL;
+
+ ttl_data = action_data_get(data, action, RTE_TABLE_ACTION_TTL);
+
+ /* Read */
+ if (stats)
+ stats->n_packets = TTL_STATS_READ(ttl_data);
+
+ /* Clear */
+ if (clear)
+ TTL_STATS_RESET(ttl_data);
+
+ return 0;
+}
+
+int
+rte_table_action_stats_read(struct rte_table_action *action,
+ void *data,
+ struct rte_table_action_stats_counters *stats,
+ int clear)
+{
+ struct stats_data *stats_data;
+
+ /* Check input arguments */
+ if ((action == NULL) ||
+ ((action->cfg.action_mask &
+ (1LLU << RTE_TABLE_ACTION_STATS)) == 0) ||
+ (data == NULL))
+ return -EINVAL;
+
+ stats_data = action_data_get(data, action,
+ RTE_TABLE_ACTION_STATS);
+
+ /* Read */
+ if (stats) {
+ stats->n_packets = stats_data->n_packets;
+ stats->n_bytes = stats_data->n_bytes;
+ stats->n_packets_valid = 1;
+ stats->n_bytes_valid = 1;
+ }
+
+ /* Clear */
+ if (clear) {
+ stats_data->n_packets = 0;
+ stats_data->n_bytes = 0;
+ }
+
+ return 0;
+}
+
+int
+rte_table_action_time_read(struct rte_table_action *action,
+ void *data,
+ uint64_t *timestamp)
+{
+ struct time_data *time_data;
+
+ /* Check input arguments */
+ if ((action == NULL) ||
+ ((action->cfg.action_mask &
+ (1LLU << RTE_TABLE_ACTION_TIME)) == 0) ||
+ (data == NULL) ||
+ (timestamp == NULL))
+ return -EINVAL;
+
+ time_data = action_data_get(data, action, RTE_TABLE_ACTION_TIME);
+
+ /* Read */
+ *timestamp = time_data->time;
+
+ return 0;
+}
+
static __rte_always_inline uint64_t
pkt_work(struct rte_mbuf *mbuf,
struct rte_pipeline_table_entry *table_entry,
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);
pkt_ipv6_work_nat(ip, data, &cfg->nat);
}
+ if (cfg->action_mask & (1LLU << RTE_TABLE_ACTION_TTL)) {
+ void *data =
+ action_data_get(table_entry, action, RTE_TABLE_ACTION_TTL);
+
+ if (cfg->common.ip_version)
+ drop_mask |= pkt_ipv4_work_ttl(ip, data);
+ else
+ drop_mask |= pkt_ipv6_work_ttl(ip, data);
+ }
+
+ if (cfg->action_mask & (1LLU << RTE_TABLE_ACTION_STATS)) {
+ void *data =
+ action_data_get(table_entry, action, RTE_TABLE_ACTION_STATS);
+
+ pkt_work_stats(data, total_length);
+ }
+
+ if (cfg->action_mask & (1LLU << RTE_TABLE_ACTION_TIME)) {
+ void *data =
+ action_data_get(table_entry, action, RTE_TABLE_ACTION_TIME);
+
+ pkt_work_time(data, time);
+ }
+
return drop_mask;
}
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);
}
}
+ if (cfg->action_mask & (1LLU << RTE_TABLE_ACTION_TTL)) {
+ void *data0 =
+ action_data_get(table_entry0, action, RTE_TABLE_ACTION_TTL);
+ void *data1 =
+ action_data_get(table_entry1, action, RTE_TABLE_ACTION_TTL);
+ void *data2 =
+ action_data_get(table_entry2, action, RTE_TABLE_ACTION_TTL);
+ void *data3 =
+ action_data_get(table_entry3, action, RTE_TABLE_ACTION_TTL);
+
+ if (cfg->common.ip_version) {
+ drop_mask0 |= pkt_ipv4_work_ttl(ip0, data0);
+ drop_mask1 |= pkt_ipv4_work_ttl(ip1, data1);
+ drop_mask2 |= pkt_ipv4_work_ttl(ip2, data2);
+ drop_mask3 |= pkt_ipv4_work_ttl(ip3, data3);
+ } else {
+ drop_mask0 |= pkt_ipv6_work_ttl(ip0, data0);
+ drop_mask1 |= pkt_ipv6_work_ttl(ip1, data1);
+ drop_mask2 |= pkt_ipv6_work_ttl(ip2, data2);
+ drop_mask3 |= pkt_ipv6_work_ttl(ip3, data3);
+ }
+ }
+
+ if (cfg->action_mask & (1LLU << RTE_TABLE_ACTION_STATS)) {
+ void *data0 =
+ action_data_get(table_entry0, action, RTE_TABLE_ACTION_STATS);
+ void *data1 =
+ action_data_get(table_entry1, action, RTE_TABLE_ACTION_STATS);
+ void *data2 =
+ action_data_get(table_entry2, action, RTE_TABLE_ACTION_STATS);
+ void *data3 =
+ action_data_get(table_entry3, action, RTE_TABLE_ACTION_STATS);
+
+ pkt_work_stats(data0, total_length0);
+ pkt_work_stats(data1, total_length1);
+ pkt_work_stats(data2, total_length2);
+ pkt_work_stats(data3, total_length3);
+ }
+
+ if (cfg->action_mask & (1LLU << RTE_TABLE_ACTION_TIME)) {
+ void *data0 =
+ action_data_get(table_entry0, action, RTE_TABLE_ACTION_TIME);
+ void *data1 =
+ action_data_get(table_entry1, action, RTE_TABLE_ACTION_TIME);
+ void *data2 =
+ action_data_get(table_entry2, action, RTE_TABLE_ACTION_TIME);
+ void *data3 =
+ action_data_get(table_entry3, action, RTE_TABLE_ACTION_TIME);
+
+ pkt_work_time(data0, time);
+ pkt_work_time(data1, time);
+ pkt_work_time(data2, time);
+ pkt_work_time(data3, time);
+ }
+
return drop_mask0 |
(drop_mask1 << 1) |
(drop_mask2 << 2) |
uint64_t pkts_drop_mask = 0;
uint64_t time = 0;
- if (cfg->action_mask & (1LLU << RTE_TABLE_ACTION_MTR))
+ if (cfg->action_mask & ((1LLU << RTE_TABLE_ACTION_MTR) |
+ (1LLU << RTE_TABLE_ACTION_TIME)))
time = rte_rdtsc();
if ((pkts_mask & (pkts_mask + 1)) == 0) {
git.droids-corp.org / dpdk.git / blobdiff