numam-dpdk/lib/librte_pipeline/rte_table_action.c

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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2010-2018 Intel Corporation
*/
#include <stdlib.h>
#include <string.h>
#include <rte_common.h>
#include <rte_byteorder.h>
#include <rte_cycles.h>
#include <rte_malloc.h>
#include <rte_memcpy.h>
#include <rte_ether.h>
#include <rte_ip.h>
#include <rte_esp.h>
#include <rte_tcp.h>
#include <rte_udp.h>
#include "rte_table_action.h"
#define rte_htons rte_cpu_to_be_16
#define rte_htonl rte_cpu_to_be_32
#define rte_ntohs rte_be_to_cpu_16
#define rte_ntohl rte_be_to_cpu_32
/**
* RTE_TABLE_ACTION_FWD
*/
#define fwd_data rte_pipeline_table_entry
static int
fwd_apply(struct fwd_data *data,
struct rte_table_action_fwd_params *p)
{
data->action = p->action;
if (p->action == RTE_PIPELINE_ACTION_PORT)
data->port_id = p->id;
if (p->action == RTE_PIPELINE_ACTION_TABLE)
data->table_id = p->id;
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
*/
static int
mtr_cfg_check(struct rte_table_action_mtr_config *mtr)
{
if ((mtr->alg == RTE_TABLE_ACTION_METER_SRTCM) ||
((mtr->n_tc != 1) && (mtr->n_tc != 4)) ||
(mtr->n_bytes_enabled != 0))
return -ENOTSUP;
return 0;
}
#define MBUF_SCHED_QUEUE_TC_COLOR(queue, tc, color) \
((uint16_t)((((uint64_t)(queue)) & 0x3) | \
((((uint64_t)(tc)) & 0x3) << 2) | \
((((uint64_t)(color)) & 0x3) << 4)))
#define MBUF_SCHED_COLOR(sched, color) \
(((sched) & (~0x30LLU)) | ((color) << 4))
struct mtr_trtcm_data {
struct rte_meter_trtcm trtcm;
uint64_t stats[e_RTE_METER_COLORS];
} __attribute__((__packed__));
#define MTR_TRTCM_DATA_METER_PROFILE_ID_GET(data) \
(((data)->stats[e_RTE_METER_GREEN] & 0xF8LLU) >> 3)
static void
mtr_trtcm_data_meter_profile_id_set(struct mtr_trtcm_data *data,
uint32_t profile_id)
{
data->stats[e_RTE_METER_GREEN] &= ~0xF8LLU;
data->stats[e_RTE_METER_GREEN] |= (profile_id % 32) << 3;
}
#define MTR_TRTCM_DATA_POLICER_ACTION_DROP_GET(data, color)\
(((data)->stats[(color)] & 4LLU) >> 2)
#define MTR_TRTCM_DATA_POLICER_ACTION_COLOR_GET(data, color)\
((enum rte_meter_color)((data)->stats[(color)] & 3LLU))
static void
mtr_trtcm_data_policer_action_set(struct mtr_trtcm_data *data,
enum rte_meter_color color,
enum rte_table_action_policer action)
{
if (action == RTE_TABLE_ACTION_POLICER_DROP) {
data->stats[color] |= 4LLU;
} else {
data->stats[color] &= ~7LLU;
data->stats[color] |= color & 3LLU;
}
}
static uint64_t
mtr_trtcm_data_stats_get(struct mtr_trtcm_data *data,
enum rte_meter_color color)
{
return data->stats[color] >> 8;
}
static void
mtr_trtcm_data_stats_reset(struct mtr_trtcm_data *data,
enum rte_meter_color color)
{
data->stats[color] &= 0xFFLU;
}
#define MTR_TRTCM_DATA_STATS_INC(data, color) \
((data)->stats[(color)] += (1LLU << 8))
static size_t
mtr_data_size(struct rte_table_action_mtr_config *mtr)
{
return mtr->n_tc * sizeof(struct mtr_trtcm_data);
}
struct dscp_table_entry_data {
enum rte_meter_color color;
uint16_t tc;
uint16_t queue_tc_color;
};
struct dscp_table_data {
struct dscp_table_entry_data entry[64];
};
struct meter_profile_data {
struct rte_meter_trtcm_profile profile;
uint32_t profile_id;
int valid;
};
static struct meter_profile_data *
meter_profile_data_find(struct meter_profile_data *mp,
uint32_t mp_size,
uint32_t profile_id)
{
uint32_t i;
for (i = 0; i < mp_size; i++) {
struct meter_profile_data *mp_data = &mp[i];
if (mp_data->valid && (mp_data->profile_id == profile_id))
return mp_data;
}
return NULL;
}
static struct meter_profile_data *
meter_profile_data_find_unused(struct meter_profile_data *mp,
uint32_t mp_size)
{
uint32_t i;
for (i = 0; i < mp_size; i++) {
struct meter_profile_data *mp_data = &mp[i];
if (!mp_data->valid)
return mp_data;
}
return NULL;
}
static int
mtr_apply_check(struct rte_table_action_mtr_params *p,
struct rte_table_action_mtr_config *cfg,
struct meter_profile_data *mp,
uint32_t mp_size)
{
uint32_t i;
if (p->tc_mask > RTE_LEN2MASK(cfg->n_tc, uint32_t))
return -EINVAL;
for (i = 0; i < RTE_TABLE_ACTION_TC_MAX; i++) {
struct rte_table_action_mtr_tc_params *p_tc = &p->mtr[i];
struct meter_profile_data *mp_data;
if ((p->tc_mask & (1LLU << i)) == 0)
continue;
mp_data = meter_profile_data_find(mp,
mp_size,
p_tc->meter_profile_id);
if (!mp_data)
return -EINVAL;
}
return 0;
}
static int
mtr_apply(struct mtr_trtcm_data *data,
struct rte_table_action_mtr_params *p,
struct rte_table_action_mtr_config *cfg,
struct meter_profile_data *mp,
uint32_t mp_size)
{
uint32_t i;
int status;
/* Check input arguments */
status = mtr_apply_check(p, cfg, mp, mp_size);
if (status)
return status;
/* Apply */
for (i = 0; i < RTE_TABLE_ACTION_TC_MAX; i++) {
struct rte_table_action_mtr_tc_params *p_tc = &p->mtr[i];
struct mtr_trtcm_data *data_tc = &data[i];
struct meter_profile_data *mp_data;
if ((p->tc_mask & (1LLU << i)) == 0)
continue;
/* Find profile */
mp_data = meter_profile_data_find(mp,
mp_size,
p_tc->meter_profile_id);
if (!mp_data)
return -EINVAL;
memset(data_tc, 0, sizeof(*data_tc));
/* Meter object */
status = rte_meter_trtcm_config(&data_tc->trtcm,
&mp_data->profile);
if (status)
return status;
/* Meter profile */
mtr_trtcm_data_meter_profile_id_set(data_tc,
mp_data - mp);
/* Policer actions */
mtr_trtcm_data_policer_action_set(data_tc,
e_RTE_METER_GREEN,
p_tc->policer[e_RTE_METER_GREEN]);
mtr_trtcm_data_policer_action_set(data_tc,
e_RTE_METER_YELLOW,
p_tc->policer[e_RTE_METER_YELLOW]);
mtr_trtcm_data_policer_action_set(data_tc,
e_RTE_METER_RED,
p_tc->policer[e_RTE_METER_RED]);
}
return 0;
}
static __rte_always_inline uint64_t
pkt_work_mtr(struct rte_mbuf *mbuf,
struct mtr_trtcm_data *data,
struct dscp_table_data *dscp_table,
struct meter_profile_data *mp,
uint64_t time,
uint32_t dscp,
uint16_t total_length)
{
uint64_t drop_mask, sched;
uint64_t *sched_ptr = (uint64_t *) &mbuf->hash.sched;
struct dscp_table_entry_data *dscp_entry = &dscp_table->entry[dscp];
enum rte_meter_color color_in, color_meter, color_policer;
uint32_t tc, mp_id;
tc = dscp_entry->tc;
color_in = dscp_entry->color;
data += tc;
mp_id = MTR_TRTCM_DATA_METER_PROFILE_ID_GET(data);
sched = *sched_ptr;
/* Meter */
color_meter = rte_meter_trtcm_color_aware_check(
&data->trtcm,
&mp[mp_id].profile,
time,
total_length,
color_in);
/* Stats */
MTR_TRTCM_DATA_STATS_INC(data, color_meter);
/* Police */
drop_mask = MTR_TRTCM_DATA_POLICER_ACTION_DROP_GET(data, color_meter);
color_policer =
MTR_TRTCM_DATA_POLICER_ACTION_COLOR_GET(data, color_meter);
*sched_ptr = MBUF_SCHED_COLOR(sched, color_policer);
return drop_mask;
}
/**
* RTE_TABLE_ACTION_TM
*/
static int
tm_cfg_check(struct rte_table_action_tm_config *tm)
{
if ((tm->n_subports_per_port == 0) ||
(rte_is_power_of_2(tm->n_subports_per_port) == 0) ||
(tm->n_subports_per_port > UINT16_MAX) ||
(tm->n_pipes_per_subport == 0) ||
(rte_is_power_of_2(tm->n_pipes_per_subport) == 0))
return -ENOTSUP;
return 0;
}
struct tm_data {
uint16_t queue_tc_color;
uint16_t subport;
uint32_t pipe;
} __attribute__((__packed__));
static int
tm_apply_check(struct rte_table_action_tm_params *p,
struct rte_table_action_tm_config *cfg)
{
if ((p->subport_id >= cfg->n_subports_per_port) ||
(p->pipe_id >= cfg->n_pipes_per_subport))
return -EINVAL;
return 0;
}
static int
tm_apply(struct tm_data *data,
struct rte_table_action_tm_params *p,
struct rte_table_action_tm_config *cfg)
{
int status;
/* Check input arguments */
status = tm_apply_check(p, cfg);
if (status)
return status;
/* Apply */
data->queue_tc_color = 0;
data->subport = (uint16_t) p->subport_id;
data->pipe = p->pipe_id;
return 0;
}
static __rte_always_inline void
pkt_work_tm(struct rte_mbuf *mbuf,
struct tm_data *data,
struct dscp_table_data *dscp_table,
uint32_t dscp)
{
struct dscp_table_entry_data *dscp_entry = &dscp_table->entry[dscp];
struct tm_data *sched_ptr = (struct tm_data *) &mbuf->hash.sched;
struct tm_data sched;
sched = *data;
sched.queue_tc_color = dscp_entry->queue_tc_color;
*sched_ptr = sched;
}
/**
* RTE_TABLE_ACTION_ENCAP
*/
static int
encap_valid(enum rte_table_action_encap_type encap)
{
switch (encap) {
case RTE_TABLE_ACTION_ENCAP_ETHER:
case RTE_TABLE_ACTION_ENCAP_VLAN:
case RTE_TABLE_ACTION_ENCAP_QINQ:
case RTE_TABLE_ACTION_ENCAP_MPLS:
case RTE_TABLE_ACTION_ENCAP_PPPOE:
return 1;
default:
return 0;
}
}
static int
encap_cfg_check(struct rte_table_action_encap_config *encap)
{
if ((encap->encap_mask == 0) ||
(__builtin_popcountll(encap->encap_mask) != 1))
return -ENOTSUP;
return 0;
}
struct encap_ether_data {
struct ether_hdr ether;
} __attribute__((__packed__));
#define VLAN(pcp, dei, vid) \
((uint16_t)((((uint64_t)(pcp)) & 0x7LLU) << 13) | \
((((uint64_t)(dei)) & 0x1LLU) << 12) | \
(((uint64_t)(vid)) & 0xFFFLLU)) \
struct encap_vlan_data {
struct ether_hdr ether;
struct vlan_hdr vlan;
} __attribute__((__packed__));
struct encap_qinq_data {
struct ether_hdr ether;
struct vlan_hdr svlan;
struct vlan_hdr cvlan;
} __attribute__((__packed__));
#define ETHER_TYPE_MPLS_UNICAST 0x8847
#define ETHER_TYPE_MPLS_MULTICAST 0x8848
#define MPLS(label, tc, s, ttl) \
((uint32_t)(((((uint64_t)(label)) & 0xFFFFFLLU) << 12) |\
((((uint64_t)(tc)) & 0x7LLU) << 9) | \
((((uint64_t)(s)) & 0x1LLU) << 8) | \
(((uint64_t)(ttl)) & 0xFFLLU)))
struct encap_mpls_data {
struct ether_hdr ether;
uint32_t mpls[RTE_TABLE_ACTION_MPLS_LABELS_MAX];
uint32_t mpls_count;
} __attribute__((__packed__));
#define ETHER_TYPE_PPPOE_SESSION 0x8864
#define PPP_PROTOCOL_IP 0x0021
struct pppoe_ppp_hdr {
uint16_t ver_type_code;
uint16_t session_id;
uint16_t length;
uint16_t protocol;
} __attribute__((__packed__));
struct encap_pppoe_data {
struct ether_hdr ether;
struct pppoe_ppp_hdr pppoe_ppp;
} __attribute__((__packed__));
static size_t
encap_data_size(struct rte_table_action_encap_config *encap)
{
switch (encap->encap_mask) {
case 1LLU << RTE_TABLE_ACTION_ENCAP_ETHER:
return sizeof(struct encap_ether_data);
case 1LLU << RTE_TABLE_ACTION_ENCAP_VLAN:
return sizeof(struct encap_vlan_data);
case 1LLU << RTE_TABLE_ACTION_ENCAP_QINQ:
return sizeof(struct encap_qinq_data);
case 1LLU << RTE_TABLE_ACTION_ENCAP_MPLS:
return sizeof(struct encap_mpls_data);
case 1LLU << RTE_TABLE_ACTION_ENCAP_PPPOE:
return sizeof(struct encap_pppoe_data);
default:
return 0;
}
}
static int
encap_apply_check(struct rte_table_action_encap_params *p,
struct rte_table_action_encap_config *cfg)
{
if ((encap_valid(p->type) == 0) ||
((cfg->encap_mask & (1LLU << p->type)) == 0))
return -EINVAL;
switch (p->type) {
case RTE_TABLE_ACTION_ENCAP_ETHER:
return 0;
case RTE_TABLE_ACTION_ENCAP_VLAN:
return 0;
case RTE_TABLE_ACTION_ENCAP_QINQ:
return 0;
case RTE_TABLE_ACTION_ENCAP_MPLS:
if ((p->mpls.mpls_count == 0) ||
(p->mpls.mpls_count > RTE_TABLE_ACTION_MPLS_LABELS_MAX))
return -EINVAL;
return 0;
case RTE_TABLE_ACTION_ENCAP_PPPOE:
return 0;
default:
return -EINVAL;
}
}
static int
encap_ether_apply(void *data,
struct rte_table_action_encap_params *p,
struct rte_table_action_common_config *common_cfg)
{
struct encap_ether_data *d = data;
uint16_t ethertype = (common_cfg->ip_version) ?
ETHER_TYPE_IPv4 :
ETHER_TYPE_IPv6;
/* Ethernet */
ether_addr_copy(&p->ether.ether.da, &d->ether.d_addr);
ether_addr_copy(&p->ether.ether.sa, &d->ether.s_addr);
d->ether.ether_type = rte_htons(ethertype);
return 0;
}
static int
encap_vlan_apply(void *data,
struct rte_table_action_encap_params *p,
struct rte_table_action_common_config *common_cfg)
{
struct encap_vlan_data *d = data;
uint16_t ethertype = (common_cfg->ip_version) ?
ETHER_TYPE_IPv4 :
ETHER_TYPE_IPv6;
/* Ethernet */
ether_addr_copy(&p->vlan.ether.da, &d->ether.d_addr);
ether_addr_copy(&p->vlan.ether.sa, &d->ether.s_addr);
d->ether.ether_type = rte_htons(ETHER_TYPE_VLAN);
/* VLAN */
d->vlan.vlan_tci = rte_htons(VLAN(p->vlan.vlan.pcp,
p->vlan.vlan.dei,
p->vlan.vlan.vid));
d->vlan.eth_proto = rte_htons(ethertype);
return 0;
}
static int
encap_qinq_apply(void *data,
struct rte_table_action_encap_params *p,
struct rte_table_action_common_config *common_cfg)
{
struct encap_qinq_data *d = data;
uint16_t ethertype = (common_cfg->ip_version) ?
ETHER_TYPE_IPv4 :
ETHER_TYPE_IPv6;
/* Ethernet */
ether_addr_copy(&p->qinq.ether.da, &d->ether.d_addr);
ether_addr_copy(&p->qinq.ether.sa, &d->ether.s_addr);
d->ether.ether_type = rte_htons(ETHER_TYPE_QINQ);
/* SVLAN */
d->svlan.vlan_tci = rte_htons(VLAN(p->qinq.svlan.pcp,
p->qinq.svlan.dei,
p->qinq.svlan.vid));
d->svlan.eth_proto = rte_htons(ETHER_TYPE_VLAN);
/* CVLAN */
d->cvlan.vlan_tci = rte_htons(VLAN(p->qinq.cvlan.pcp,
p->qinq.cvlan.dei,
p->qinq.cvlan.vid));
d->cvlan.eth_proto = rte_htons(ethertype);
return 0;
}
static int
encap_mpls_apply(void *data,
struct rte_table_action_encap_params *p)
{
struct encap_mpls_data *d = data;
uint16_t ethertype = (p->mpls.unicast) ?
ETHER_TYPE_MPLS_UNICAST :
ETHER_TYPE_MPLS_MULTICAST;
uint32_t i;
/* Ethernet */
ether_addr_copy(&p->mpls.ether.da, &d->ether.d_addr);
ether_addr_copy(&p->mpls.ether.sa, &d->ether.s_addr);
d->ether.ether_type = rte_htons(ethertype);
/* MPLS */
for (i = 0; i < p->mpls.mpls_count - 1; i++)
d->mpls[i] = rte_htonl(MPLS(p->mpls.mpls[i].label,
p->mpls.mpls[i].tc,
0,
p->mpls.mpls[i].ttl));
d->mpls[i] = rte_htonl(MPLS(p->mpls.mpls[i].label,
p->mpls.mpls[i].tc,
1,
p->mpls.mpls[i].ttl));
d->mpls_count = p->mpls.mpls_count;
return 0;
}
static int
encap_pppoe_apply(void *data,
struct rte_table_action_encap_params *p)
{
struct encap_pppoe_data *d = data;
/* Ethernet */
ether_addr_copy(&p->pppoe.ether.da, &d->ether.d_addr);
ether_addr_copy(&p->pppoe.ether.sa, &d->ether.s_addr);
d->ether.ether_type = rte_htons(ETHER_TYPE_PPPOE_SESSION);
/* PPPoE and PPP*/
d->pppoe_ppp.ver_type_code = rte_htons(0x1100);
d->pppoe_ppp.session_id = rte_htons(p->pppoe.pppoe.session_id);
d->pppoe_ppp.length = 0; /* not pre-computed */
d->pppoe_ppp.protocol = rte_htons(PPP_PROTOCOL_IP);
return 0;
}
static int
encap_apply(void *data,
struct rte_table_action_encap_params *p,
struct rte_table_action_encap_config *cfg,
struct rte_table_action_common_config *common_cfg)
{
int status;
/* Check input arguments */
status = encap_apply_check(p, cfg);
if (status)
return status;
switch (p->type) {
case RTE_TABLE_ACTION_ENCAP_ETHER:
return encap_ether_apply(data, p, common_cfg);
case RTE_TABLE_ACTION_ENCAP_VLAN:
return encap_vlan_apply(data, p, common_cfg);
case RTE_TABLE_ACTION_ENCAP_QINQ:
return encap_qinq_apply(data, p, common_cfg);
case RTE_TABLE_ACTION_ENCAP_MPLS:
return encap_mpls_apply(data, p);
case RTE_TABLE_ACTION_ENCAP_PPPOE:
return encap_pppoe_apply(data, p);
default:
return -EINVAL;
}
}
static __rte_always_inline void *
encap(void *dst, const void *src, size_t n)
{
dst = ((uint8_t *) dst) - n;
return rte_memcpy(dst, src, n);
}
static __rte_always_inline void
pkt_work_encap(struct rte_mbuf *mbuf,
void *data,
struct rte_table_action_encap_config *cfg,
void *ip,
uint16_t total_length,
uint32_t ip_offset)
{
switch (cfg->encap_mask) {
case 1LLU << RTE_TABLE_ACTION_ENCAP_ETHER:
encap(ip, data, sizeof(struct encap_ether_data));
mbuf->data_off = ip_offset - (sizeof(struct rte_mbuf) +
sizeof(struct encap_ether_data));
mbuf->pkt_len = mbuf->data_len = total_length +
sizeof(struct encap_ether_data);
break;
case 1LLU << RTE_TABLE_ACTION_ENCAP_VLAN:
encap(ip, data, sizeof(struct encap_vlan_data));
mbuf->data_off = ip_offset - (sizeof(struct rte_mbuf) +
sizeof(struct encap_vlan_data));
mbuf->pkt_len = mbuf->data_len = total_length +
sizeof(struct encap_vlan_data);
break;
case 1LLU << RTE_TABLE_ACTION_ENCAP_QINQ:
encap(ip, data, sizeof(struct encap_qinq_data));
mbuf->data_off = ip_offset - (sizeof(struct rte_mbuf) +
sizeof(struct encap_qinq_data));
mbuf->pkt_len = mbuf->data_len = total_length +
sizeof(struct encap_qinq_data);
break;
case 1LLU << RTE_TABLE_ACTION_ENCAP_MPLS:
{
struct encap_mpls_data *mpls = data;
size_t size = sizeof(struct ether_hdr) +
mpls->mpls_count * 4;
encap(ip, data, size);
mbuf->data_off = ip_offset - (sizeof(struct rte_mbuf) + size);
mbuf->pkt_len = mbuf->data_len = total_length + size;
break;
}
case 1LLU << RTE_TABLE_ACTION_ENCAP_PPPOE:
{
struct encap_pppoe_data *pppoe =
encap(ip, data, sizeof(struct encap_pppoe_data));
pppoe->pppoe_ppp.length = rte_htons(total_length + 2);
mbuf->data_off = ip_offset - (sizeof(struct rte_mbuf) +
sizeof(struct encap_pppoe_data));
mbuf->pkt_len = mbuf->data_len = total_length +
sizeof(struct encap_pppoe_data);
break;
}
default:
break;
}
}
/**
* RTE_TABLE_ACTION_NAT
*/
static int
nat_cfg_check(struct rte_table_action_nat_config *nat)
{
if ((nat->proto != 0x06) &&
(nat->proto != 0x11))
return -ENOTSUP;
return 0;
}
struct nat_ipv4_data {
uint32_t addr;
uint16_t port;
} __attribute__((__packed__));
struct nat_ipv6_data {
uint8_t addr[16];
uint16_t port;
} __attribute__((__packed__));
static size_t
nat_data_size(struct rte_table_action_nat_config *nat __rte_unused,
struct rte_table_action_common_config *common)
{
int ip_version = common->ip_version;
return (ip_version) ?
sizeof(struct nat_ipv4_data) :
sizeof(struct nat_ipv6_data);
}
static int
nat_apply_check(struct rte_table_action_nat_params *p,
struct rte_table_action_common_config *cfg)
{
if ((p->ip_version && (cfg->ip_version == 0)) ||
((p->ip_version == 0) && cfg->ip_version))
return -EINVAL;
return 0;
}
static int
nat_apply(void *data,
struct rte_table_action_nat_params *p,
struct rte_table_action_common_config *cfg)
{
int status;
/* Check input arguments */
status = nat_apply_check(p, cfg);
if (status)
return status;
/* Apply */
if (p->ip_version) {
struct nat_ipv4_data *d = data;
d->addr = rte_htonl(p->addr.ipv4);
d->port = rte_htons(p->port);
} else {
struct nat_ipv6_data *d = data;
memcpy(d->addr, p->addr.ipv6, sizeof(d->addr));
d->port = rte_htons(p->port);
}
return 0;
}
static __rte_always_inline uint16_t
nat_ipv4_checksum_update(uint16_t cksum0,
uint32_t ip0,
uint32_t ip1)
{
int32_t cksum1;
cksum1 = cksum0;
cksum1 = ~cksum1 & 0xFFFF;
/* Subtract ip0 (one's complement logic) */
cksum1 -= (ip0 >> 16) + (ip0 & 0xFFFF);
cksum1 = (cksum1 & 0xFFFF) + (cksum1 >> 16);
cksum1 = (cksum1 & 0xFFFF) + (cksum1 >> 16);
/* Add ip1 (one's complement logic) */
cksum1 += (ip1 >> 16) + (ip1 & 0xFFFF);
cksum1 = (cksum1 & 0xFFFF) + (cksum1 >> 16);
cksum1 = (cksum1 & 0xFFFF) + (cksum1 >> 16);
return (uint16_t)(~cksum1);
}
static __rte_always_inline uint16_t
nat_ipv4_tcp_udp_checksum_update(uint16_t cksum0,
uint32_t ip0,
uint32_t ip1,
uint16_t port0,
uint16_t port1)
{
int32_t cksum1;
cksum1 = cksum0;
cksum1 = ~cksum1 & 0xFFFF;
/* Subtract ip0 and port 0 (one's complement logic) */
cksum1 -= (ip0 >> 16) + (ip0 & 0xFFFF) + port0;
cksum1 = (cksum1 & 0xFFFF) + (cksum1 >> 16);
cksum1 = (cksum1 & 0xFFFF) + (cksum1 >> 16);
/* Add ip1 and port1 (one's complement logic) */
cksum1 += (ip1 >> 16) + (ip1 & 0xFFFF) + port1;
cksum1 = (cksum1 & 0xFFFF) + (cksum1 >> 16);
cksum1 = (cksum1 & 0xFFFF) + (cksum1 >> 16);
return (uint16_t)(~cksum1);
}
static __rte_always_inline uint16_t
nat_ipv6_tcp_udp_checksum_update(uint16_t cksum0,
uint16_t *ip0,
uint16_t *ip1,
uint16_t port0,
uint16_t port1)
{
int32_t cksum1;
cksum1 = cksum0;
cksum1 = ~cksum1 & 0xFFFF;
/* Subtract ip0 and port 0 (one's complement logic) */
cksum1 -= ip0[0] + ip0[1] + ip0[2] + ip0[3] +
ip0[4] + ip0[5] + ip0[6] + ip0[7] + port0;
cksum1 = (cksum1 & 0xFFFF) + (cksum1 >> 16);
cksum1 = (cksum1 & 0xFFFF) + (cksum1 >> 16);
/* Add ip1 and port1 (one's complement logic) */
cksum1 += ip1[0] + ip1[1] + ip1[2] + ip1[3] +
ip1[4] + ip1[5] + ip1[6] + ip1[7] + port1;
cksum1 = (cksum1 & 0xFFFF) + (cksum1 >> 16);
cksum1 = (cksum1 & 0xFFFF) + (cksum1 >> 16);
return (uint16_t)(~cksum1);
}
static __rte_always_inline void
pkt_ipv4_work_nat(struct ipv4_hdr *ip,
struct nat_ipv4_data *data,
struct rte_table_action_nat_config *cfg)
{
if (cfg->source_nat) {
if (cfg->proto == 0x6) {
struct tcp_hdr *tcp = (struct tcp_hdr *) &ip[1];
uint16_t ip_cksum, tcp_cksum;
ip_cksum = nat_ipv4_checksum_update(ip->hdr_checksum,
ip->src_addr,
data->addr);
tcp_cksum = nat_ipv4_tcp_udp_checksum_update(tcp->cksum,
ip->src_addr,
data->addr,
tcp->src_port,
data->port);
ip->src_addr = data->addr;
ip->hdr_checksum = ip_cksum;
tcp->src_port = data->port;
tcp->cksum = tcp_cksum;
} else {
struct udp_hdr *udp = (struct udp_hdr *) &ip[1];
uint16_t ip_cksum, udp_cksum;
ip_cksum = nat_ipv4_checksum_update(ip->hdr_checksum,
ip->src_addr,
data->addr);
udp_cksum = nat_ipv4_tcp_udp_checksum_update(udp->dgram_cksum,
ip->src_addr,
data->addr,
udp->src_port,
data->port);
ip->src_addr = data->addr;
ip->hdr_checksum = ip_cksum;
udp->src_port = data->port;
if (udp->dgram_cksum)
udp->dgram_cksum = udp_cksum;
}
} else {
if (cfg->proto == 0x6) {
struct tcp_hdr *tcp = (struct tcp_hdr *) &ip[1];
uint16_t ip_cksum, tcp_cksum;
ip_cksum = nat_ipv4_checksum_update(ip->hdr_checksum,
ip->dst_addr,
data->addr);
tcp_cksum = nat_ipv4_tcp_udp_checksum_update(tcp->cksum,
ip->dst_addr,
data->addr,
tcp->dst_port,
data->port);
ip->dst_addr = data->addr;
ip->hdr_checksum = ip_cksum;
tcp->dst_port = data->port;
tcp->cksum = tcp_cksum;
} else {
struct udp_hdr *udp = (struct udp_hdr *) &ip[1];
uint16_t ip_cksum, udp_cksum;
ip_cksum = nat_ipv4_checksum_update(ip->hdr_checksum,
ip->dst_addr,
data->addr);
udp_cksum = nat_ipv4_tcp_udp_checksum_update(udp->dgram_cksum,
ip->dst_addr,
data->addr,
udp->dst_port,
data->port);
ip->dst_addr = data->addr;
ip->hdr_checksum = ip_cksum;
udp->dst_port = data->port;
if (udp->dgram_cksum)
udp->dgram_cksum = udp_cksum;
}
}
}
static __rte_always_inline void
pkt_ipv6_work_nat(struct ipv6_hdr *ip,
struct nat_ipv6_data *data,
struct rte_table_action_nat_config *cfg)
{
if (cfg->source_nat) {
if (cfg->proto == 0x6) {
struct tcp_hdr *tcp = (struct tcp_hdr *) &ip[1];
uint16_t tcp_cksum;
tcp_cksum = nat_ipv6_tcp_udp_checksum_update(tcp->cksum,
(uint16_t *)ip->src_addr,
(uint16_t *)data->addr,
tcp->src_port,
data->port);
rte_memcpy(ip->src_addr, data->addr, 16);
tcp->src_port = data->port;
tcp->cksum = tcp_cksum;
} else {
struct udp_hdr *udp = (struct udp_hdr *) &ip[1];
uint16_t udp_cksum;
udp_cksum = nat_ipv6_tcp_udp_checksum_update(udp->dgram_cksum,
(uint16_t *)ip->src_addr,
(uint16_t *)data->addr,
udp->src_port,
data->port);
rte_memcpy(ip->src_addr, data->addr, 16);
udp->src_port = data->port;
udp->dgram_cksum = udp_cksum;
}
} else {
if (cfg->proto == 0x6) {
struct tcp_hdr *tcp = (struct tcp_hdr *) &ip[1];
uint16_t tcp_cksum;
tcp_cksum = nat_ipv6_tcp_udp_checksum_update(tcp->cksum,
(uint16_t *)ip->dst_addr,
(uint16_t *)data->addr,
tcp->dst_port,
data->port);
rte_memcpy(ip->dst_addr, data->addr, 16);
tcp->dst_port = data->port;
tcp->cksum = tcp_cksum;
} else {
struct udp_hdr *udp = (struct udp_hdr *) &ip[1];
uint16_t udp_cksum;
udp_cksum = nat_ipv6_tcp_udp_checksum_update(udp->dgram_cksum,
(uint16_t *)ip->dst_addr,
(uint16_t *)data->addr,
udp->dst_port,
data->port);
rte_memcpy(ip->dst_addr, data->addr, 16);
udp->dst_port = data->port;
udp->dgram_cksum = udp_cksum;
}
}
}
/**
* 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
*/
static int
action_valid(enum rte_table_action_type action)
{
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;
}
}
#define RTE_TABLE_ACTION_MAX 64
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_tm_config);
case RTE_TABLE_ACTION_ENCAP:
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;
}
}
static void*
action_cfg_get(struct ap_config *ap_config,
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_TM:
return &ap_config->tm;
case RTE_TABLE_ACTION_ENCAP:
return &ap_config->encap;
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;
}
}
static void
action_cfg_set(struct ap_config *ap_config,
enum rte_table_action_type type,
void *action_cfg)
{
void *dst = action_cfg_get(ap_config, type);
if (dst)
memcpy(dst, action_cfg, action_cfg_size(type));
ap_config->action_mask |= 1LLU << type;
}
struct ap_data {
size_t offset[RTE_TABLE_ACTION_MAX];
size_t total_size;
};
static size_t
action_data_size(enum rte_table_action_type action,
struct ap_config *ap_config)
{
switch (action) {
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);
case RTE_TABLE_ACTION_TM:
return sizeof(struct tm_data);
case RTE_TABLE_ACTION_ENCAP:
return encap_data_size(&ap_config->encap);
case RTE_TABLE_ACTION_NAT:
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;
}
}
static void
action_data_offset_set(struct ap_data *ap_data,
struct ap_config *ap_config)
{
uint64_t action_mask = ap_config->action_mask;
size_t offset;
uint32_t action;
memset(ap_data->offset, 0, sizeof(ap_data->offset));
offset = 0;
for (action = 0; action < RTE_TABLE_ACTION_MAX; action++)
if (action_mask & (1LLU << action)) {
ap_data->offset[action] = offset;
offset += action_data_size((enum rte_table_action_type)action,
ap_config);
}
ap_data->total_size = offset;
}
struct rte_table_action_profile {
struct ap_config cfg;
struct ap_data data;
int frozen;
};
struct rte_table_action_profile *
rte_table_action_profile_create(struct rte_table_action_common_config *common)
{
struct rte_table_action_profile *ap;
/* Check input arguments */
if (common == NULL)
return NULL;
/* Memory allocation */
ap = calloc(1, sizeof(struct rte_table_action_profile));
if (ap == NULL)
return NULL;
/* Initialization */
memcpy(&ap->cfg.common, common, sizeof(*common));
return ap;
}
int
rte_table_action_profile_action_register(struct rte_table_action_profile *profile,
enum rte_table_action_type type,
void *action_config)
{
int status;
/* Check input arguments */
if ((profile == NULL) ||
profile->frozen ||
(action_valid(type) == 0) ||
(profile->cfg.action_mask & (1LLU << type)) ||
((action_cfg_size(type) == 0) && action_config) ||
(action_cfg_size(type) && (action_config == NULL)))
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;
case RTE_TABLE_ACTION_TM:
status = tm_cfg_check(action_config);
break;
case RTE_TABLE_ACTION_ENCAP:
status = encap_cfg_check(action_config);
break;
case RTE_TABLE_ACTION_NAT:
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;
}
if (status)
return status;
/* Action enable */
action_cfg_set(&profile->cfg, type, action_config);
return 0;
}
int
rte_table_action_profile_freeze(struct rte_table_action_profile *profile)
{
if (profile->frozen)
return -EBUSY;
profile->cfg.action_mask |= 1LLU << RTE_TABLE_ACTION_FWD;
action_data_offset_set(&profile->data, &profile->cfg);
profile->frozen = 1;
return 0;
}
int
rte_table_action_profile_free(struct rte_table_action_profile *profile)
{
if (profile == NULL)
return 0;
free(profile);
return 0;
}
/**
* Action
*/
#define METER_PROFILES_MAX 32
struct rte_table_action {
struct ap_config cfg;
struct ap_data data;
struct dscp_table_data dscp_table;
struct meter_profile_data mp[METER_PROFILES_MAX];
};
struct rte_table_action *
rte_table_action_create(struct rte_table_action_profile *profile,
uint32_t socket_id)
{
struct rte_table_action *action;
/* Check input arguments */
if ((profile == NULL) ||
(profile->frozen == 0))
return NULL;
/* Memory allocation */
action = rte_zmalloc_socket(NULL,
sizeof(struct rte_table_action),
RTE_CACHE_LINE_SIZE,
socket_id);
if (action == NULL)
return NULL;
/* Initialization */
memcpy(&action->cfg, &profile->cfg, sizeof(profile->cfg));
memcpy(&action->data, &profile->data, sizeof(profile->data));
return action;
}
static __rte_always_inline void *
action_data_get(void *data,
struct rte_table_action *action,
enum rte_table_action_type type)
{
size_t offset = action->data.offset[type];
uint8_t *data_bytes = data;
return &data_bytes[offset];
}
int
rte_table_action_apply(struct rte_table_action *action,
void *data,
enum rte_table_action_type type,
void *action_params)
{
void *action_data;
/* Check input arguments */
if ((action == NULL) ||
(data == NULL) ||
(action_valid(type) == 0) ||
((action->cfg.action_mask & (1LLU << type)) == 0) ||
(action_params == NULL))
return -EINVAL;
/* Data update */
action_data = action_data_get(data, action, type);
switch (type) {
case RTE_TABLE_ACTION_FWD:
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->cfg.mtr,
action->mp,
RTE_DIM(action->mp));
case RTE_TABLE_ACTION_TM:
return tm_apply(action_data,
action_params,
&action->cfg.tm);
case RTE_TABLE_ACTION_ENCAP:
return encap_apply(action_data,
action_params,
&action->cfg.encap,
&action->cfg.common);
case RTE_TABLE_ACTION_NAT:
return nat_apply(action_data,
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;
}
}
int
rte_table_action_dscp_table_update(struct rte_table_action *action,
uint64_t dscp_mask,
struct rte_table_action_dscp_table *table)
{
uint32_t i;
/* Check input arguments */
if ((action == NULL) ||
((action->cfg.action_mask & ((1LLU << RTE_TABLE_ACTION_MTR) |
(1LLU << RTE_TABLE_ACTION_TM))) == 0) ||
(dscp_mask == 0) ||
(table == NULL))
return -EINVAL;
for (i = 0; i < RTE_DIM(table->entry); i++) {
struct dscp_table_entry_data *data =
&action->dscp_table.entry[i];
struct rte_table_action_dscp_table_entry *entry =
&table->entry[i];
uint16_t queue_tc_color =
MBUF_SCHED_QUEUE_TC_COLOR(entry->tc_queue_id,
entry->tc_id,
entry->color);
if ((dscp_mask & (1LLU << i)) == 0)
continue;
data->color = entry->color;
data->tc = entry->tc_id;
data->queue_tc_color = queue_tc_color;
}
return 0;
}
int
rte_table_action_meter_profile_add(struct rte_table_action *action,
uint32_t meter_profile_id,
struct rte_table_action_meter_profile *profile)
{
struct meter_profile_data *mp_data;
uint32_t status;
/* Check input arguments */
if ((action == NULL) ||
((action->cfg.action_mask & (1LLU << RTE_TABLE_ACTION_MTR)) == 0) ||
(profile == NULL))
return -EINVAL;
if (profile->alg != RTE_TABLE_ACTION_METER_TRTCM)
return -ENOTSUP;
mp_data = meter_profile_data_find(action->mp,
RTE_DIM(action->mp),
meter_profile_id);
if (mp_data)
return -EEXIST;
mp_data = meter_profile_data_find_unused(action->mp,
RTE_DIM(action->mp));
if (!mp_data)
return -ENOSPC;
/* Install new profile */
status = rte_meter_trtcm_profile_config(&mp_data->profile,
&profile->trtcm);
if (status)
return status;
mp_data->profile_id = meter_profile_id;
mp_data->valid = 1;
return 0;
}
int
rte_table_action_meter_profile_delete(struct rte_table_action *action,
uint32_t meter_profile_id)
{
struct meter_profile_data *mp_data;
/* Check input arguments */
if ((action == NULL) ||
((action->cfg.action_mask & (1LLU << RTE_TABLE_ACTION_MTR)) == 0))
return -EINVAL;
mp_data = meter_profile_data_find(action->mp,
RTE_DIM(action->mp),
meter_profile_id);
if (!mp_data)
return 0;
/* Uninstall profile */
mp_data->valid = 0;
return 0;
}
int
rte_table_action_meter_read(struct rte_table_action *action,
void *data,
uint32_t tc_mask,
struct rte_table_action_mtr_counters *stats,
int clear)
{
struct mtr_trtcm_data *mtr_data;
uint32_t i;
/* Check input arguments */
if ((action == NULL) ||
((action->cfg.action_mask & (1LLU << RTE_TABLE_ACTION_MTR)) == 0) ||
(data == NULL) ||
(tc_mask > RTE_LEN2MASK(action->cfg.mtr.n_tc, uint32_t)))
return -EINVAL;
mtr_data = action_data_get(data, action, RTE_TABLE_ACTION_MTR);
/* Read */
if (stats) {
for (i = 0; i < RTE_TABLE_ACTION_TC_MAX; i++) {
struct rte_table_action_mtr_counters_tc *dst =
&stats->stats[i];
struct mtr_trtcm_data *src = &mtr_data[i];
if ((tc_mask & (1 << i)) == 0)
continue;
dst->n_packets[e_RTE_METER_GREEN] =
mtr_trtcm_data_stats_get(src, e_RTE_METER_GREEN);
dst->n_packets[e_RTE_METER_YELLOW] =
mtr_trtcm_data_stats_get(src, e_RTE_METER_YELLOW);
dst->n_packets[e_RTE_METER_RED] =
mtr_trtcm_data_stats_get(src, e_RTE_METER_RED);
dst->n_packets_valid = 1;
dst->n_bytes_valid = 0;
}
stats->tc_mask = tc_mask;
}
/* Clear */
if (clear)
for (i = 0; i < RTE_TABLE_ACTION_TC_MAX; i++) {
struct mtr_trtcm_data *src = &mtr_data[i];
if ((tc_mask & (1 << i)) == 0)
continue;
mtr_trtcm_data_stats_reset(src, e_RTE_METER_GREEN);
mtr_trtcm_data_stats_reset(src, e_RTE_METER_YELLOW);
mtr_trtcm_data_stats_reset(src, e_RTE_METER_RED);
}
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,
uint64_t time,
struct rte_table_action *action,
struct ap_config *cfg)
{
uint64_t drop_mask = 0;
uint32_t ip_offset = action->cfg.common.ip_offset;
void *ip = RTE_MBUF_METADATA_UINT32_PTR(mbuf, ip_offset);
uint32_t dscp;
uint16_t total_length;
if (cfg->common.ip_version) {
struct ipv4_hdr *hdr = ip;
dscp = hdr->type_of_service >> 2;
total_length = rte_ntohs(hdr->total_length);
} else {
struct ipv6_hdr *hdr = ip;
dscp = (rte_ntohl(hdr->vtc_flow) & 0x0F600000) >> 18;
total_length =
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);
drop_mask |= pkt_work_mtr(mbuf,
data,
&action->dscp_table,
action->mp,
time,
dscp,
total_length);
}
if (cfg->action_mask & (1LLU << RTE_TABLE_ACTION_TM)) {
void *data =
action_data_get(table_entry, action, RTE_TABLE_ACTION_TM);
pkt_work_tm(mbuf,
data,
&action->dscp_table,
dscp);
}
if (cfg->action_mask & (1LLU << RTE_TABLE_ACTION_ENCAP)) {
void *data =
action_data_get(table_entry, action, RTE_TABLE_ACTION_ENCAP);
pkt_work_encap(mbuf,
data,
&cfg->encap,
ip,
total_length,
ip_offset);
}
if (cfg->action_mask & (1LLU << RTE_TABLE_ACTION_NAT)) {
void *data =
action_data_get(table_entry, action, RTE_TABLE_ACTION_NAT);
if (cfg->common.ip_version)
pkt_ipv4_work_nat(ip, data, &cfg->nat);
else
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;
}
static __rte_always_inline uint64_t
pkt4_work(struct rte_mbuf **mbufs,
struct rte_pipeline_table_entry **table_entries,
uint64_t time,
struct rte_table_action *action,
struct ap_config *cfg)
{
uint64_t drop_mask0 = 0;
uint64_t drop_mask1 = 0;
uint64_t drop_mask2 = 0;
uint64_t drop_mask3 = 0;
struct rte_mbuf *mbuf0 = mbufs[0];
struct rte_mbuf *mbuf1 = mbufs[1];
struct rte_mbuf *mbuf2 = mbufs[2];
struct rte_mbuf *mbuf3 = mbufs[3];
struct rte_pipeline_table_entry *table_entry0 = table_entries[0];
struct rte_pipeline_table_entry *table_entry1 = table_entries[1];
struct rte_pipeline_table_entry *table_entry2 = table_entries[2];
struct rte_pipeline_table_entry *table_entry3 = table_entries[3];
uint32_t ip_offset = action->cfg.common.ip_offset;
void *ip0 = RTE_MBUF_METADATA_UINT32_PTR(mbuf0, ip_offset);
void *ip1 = RTE_MBUF_METADATA_UINT32_PTR(mbuf1, ip_offset);
void *ip2 = RTE_MBUF_METADATA_UINT32_PTR(mbuf2, ip_offset);
void *ip3 = RTE_MBUF_METADATA_UINT32_PTR(mbuf3, ip_offset);
uint32_t dscp0, dscp1, dscp2, dscp3;
uint16_t total_length0, total_length1, total_length2, total_length3;
if (cfg->common.ip_version) {
struct ipv4_hdr *hdr0 = ip0;
struct ipv4_hdr *hdr1 = ip1;
struct ipv4_hdr *hdr2 = ip2;
struct ipv4_hdr *hdr3 = ip3;
dscp0 = hdr0->type_of_service >> 2;
dscp1 = hdr1->type_of_service >> 2;
dscp2 = hdr2->type_of_service >> 2;
dscp3 = hdr3->type_of_service >> 2;
total_length0 = rte_ntohs(hdr0->total_length);
total_length1 = rte_ntohs(hdr1->total_length);
total_length2 = rte_ntohs(hdr2->total_length);
total_length3 = rte_ntohs(hdr3->total_length);
} else {
struct ipv6_hdr *hdr0 = ip0;
struct ipv6_hdr *hdr1 = ip1;
struct ipv6_hdr *hdr2 = ip2;
struct ipv6_hdr *hdr3 = ip3;
dscp0 = (rte_ntohl(hdr0->vtc_flow) & 0x0F600000) >> 18;
dscp1 = (rte_ntohl(hdr1->vtc_flow) & 0x0F600000) >> 18;
dscp2 = (rte_ntohl(hdr2->vtc_flow) & 0x0F600000) >> 18;
dscp3 = (rte_ntohl(hdr3->vtc_flow) & 0x0F600000) >> 18;
total_length0 =
rte_ntohs(hdr0->payload_len) + sizeof(struct ipv6_hdr);
total_length1 =
rte_ntohs(hdr1->payload_len) + sizeof(struct ipv6_hdr);
total_length2 =
rte_ntohs(hdr2->payload_len) + sizeof(struct ipv6_hdr);
total_length3 =
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);
void *data1 =
action_data_get(table_entry1, action, RTE_TABLE_ACTION_MTR);
void *data2 =
action_data_get(table_entry2, action, RTE_TABLE_ACTION_MTR);
void *data3 =
action_data_get(table_entry3, action, RTE_TABLE_ACTION_MTR);
drop_mask0 |= pkt_work_mtr(mbuf0,
data0,
&action->dscp_table,
action->mp,
time,
dscp0,
total_length0);
drop_mask1 |= pkt_work_mtr(mbuf1,
data1,
&action->dscp_table,
action->mp,
time,
dscp1,
total_length1);
drop_mask2 |= pkt_work_mtr(mbuf2,
data2,
&action->dscp_table,
action->mp,
time,
dscp2,
total_length2);
drop_mask3 |= pkt_work_mtr(mbuf3,
data3,
&action->dscp_table,
action->mp,
time,
dscp3,
total_length3);
}
if (cfg->action_mask & (1LLU << RTE_TABLE_ACTION_TM)) {
void *data0 =
action_data_get(table_entry0, action, RTE_TABLE_ACTION_TM);
void *data1 =
action_data_get(table_entry1, action, RTE_TABLE_ACTION_TM);
void *data2 =
action_data_get(table_entry2, action, RTE_TABLE_ACTION_TM);
void *data3 =
action_data_get(table_entry3, action, RTE_TABLE_ACTION_TM);
pkt_work_tm(mbuf0,
data0,
&action->dscp_table,
dscp0);
pkt_work_tm(mbuf1,
data1,
&action->dscp_table,
dscp1);
pkt_work_tm(mbuf2,
data2,
&action->dscp_table,
dscp2);
pkt_work_tm(mbuf3,
data3,
&action->dscp_table,
dscp3);
}
if (cfg->action_mask & (1LLU << RTE_TABLE_ACTION_ENCAP)) {
void *data0 =
action_data_get(table_entry0, action, RTE_TABLE_ACTION_ENCAP);
void *data1 =
action_data_get(table_entry1, action, RTE_TABLE_ACTION_ENCAP);
void *data2 =
action_data_get(table_entry2, action, RTE_TABLE_ACTION_ENCAP);
void *data3 =
action_data_get(table_entry3, action, RTE_TABLE_ACTION_ENCAP);
pkt_work_encap(mbuf0,
data0,
&cfg->encap,
ip0,
total_length0,
ip_offset);
pkt_work_encap(mbuf1,
data1,
&cfg->encap,
ip1,
total_length1,
ip_offset);
pkt_work_encap(mbuf2,
data2,
&cfg->encap,
ip2,
total_length2,
ip_offset);
pkt_work_encap(mbuf3,
data3,
&cfg->encap,
ip3,
total_length3,
ip_offset);
}
if (cfg->action_mask & (1LLU << RTE_TABLE_ACTION_NAT)) {
void *data0 =
action_data_get(table_entry0, action, RTE_TABLE_ACTION_NAT);
void *data1 =
action_data_get(table_entry1, action, RTE_TABLE_ACTION_NAT);
void *data2 =
action_data_get(table_entry2, action, RTE_TABLE_ACTION_NAT);
void *data3 =
action_data_get(table_entry3, action, RTE_TABLE_ACTION_NAT);
if (cfg->common.ip_version) {
pkt_ipv4_work_nat(ip0, data0, &cfg->nat);
pkt_ipv4_work_nat(ip1, data1, &cfg->nat);
pkt_ipv4_work_nat(ip2, data2, &cfg->nat);
pkt_ipv4_work_nat(ip3, data3, &cfg->nat);
} else {
pkt_ipv6_work_nat(ip0, data0, &cfg->nat);
pkt_ipv6_work_nat(ip1, data1, &cfg->nat);
pkt_ipv6_work_nat(ip2, data2, &cfg->nat);
pkt_ipv6_work_nat(ip3, data3, &cfg->nat);
}
}
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) |
(drop_mask3 << 3);
}
static __rte_always_inline int
ah(struct rte_pipeline *p,
struct rte_mbuf **pkts,
uint64_t pkts_mask,
struct rte_pipeline_table_entry **entries,
struct rte_table_action *action,
struct ap_config *cfg)
{
uint64_t pkts_drop_mask = 0;
uint64_t time = 0;
if (cfg->action_mask & ((1LLU << RTE_TABLE_ACTION_MTR) |
(1LLU << RTE_TABLE_ACTION_TIME)))
time = rte_rdtsc();
if ((pkts_mask & (pkts_mask + 1)) == 0) {
uint64_t n_pkts = __builtin_popcountll(pkts_mask);
uint32_t i;
for (i = 0; i < (n_pkts & (~0x3LLU)); i += 4) {
uint64_t drop_mask;
drop_mask = pkt4_work(&pkts[i],
&entries[i],
time,
action,
cfg);
pkts_drop_mask |= drop_mask << i;
}
for ( ; i < n_pkts; i++) {
uint64_t drop_mask;
drop_mask = pkt_work(pkts[i],
entries[i],
time,
action,
cfg);
pkts_drop_mask |= drop_mask << i;
}
} else
for ( ; pkts_mask; ) {
uint32_t pos = __builtin_ctzll(pkts_mask);
uint64_t pkt_mask = 1LLU << pos;
uint64_t drop_mask;
drop_mask = pkt_work(pkts[pos],
entries[pos],
time,
action,
cfg);
pkts_mask &= ~pkt_mask;
pkts_drop_mask |= drop_mask << pos;
}
rte_pipeline_ah_packet_drop(p, pkts_drop_mask);
return 0;
}
static int
ah_default(struct rte_pipeline *p,
struct rte_mbuf **pkts,
uint64_t pkts_mask,
struct rte_pipeline_table_entry **entries,
void *arg)
{
struct rte_table_action *action = arg;
return ah(p,
pkts,
pkts_mask,
entries,
action,
&action->cfg);
}
static rte_pipeline_table_action_handler_hit
ah_selector(struct rte_table_action *action)
{
if (action->cfg.action_mask == (1LLU << RTE_TABLE_ACTION_FWD))
return NULL;
return ah_default;
}
int
rte_table_action_table_params_get(struct rte_table_action *action,
struct rte_pipeline_table_params *params)
{
rte_pipeline_table_action_handler_hit f_action_hit;
uint32_t total_size;
/* Check input arguments */
if ((action == NULL) ||
(params == NULL))
return -EINVAL;
f_action_hit = ah_selector(action);
total_size = rte_align32pow2(action->data.total_size);
/* Fill in params */
params->f_action_hit = f_action_hit;
params->f_action_miss = NULL;
params->arg_ah = (f_action_hit) ? action : NULL;
params->action_data_size = total_size -
sizeof(struct rte_pipeline_table_entry);
return 0;
}
int
rte_table_action_free(struct rte_table_action *action)
{
if (action == NULL)
return 0;
rte_free(action);
return 0;
}