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#pragma once
#include <adapter_define.h>
#include <marsio.h>
#include <mrb_define.h>
#include <rte_common.h>
#include <rte_ether.h>
#include <rte_mbuf.h>
struct mrb_metadata_route_ctx
{
uint8_t dir;
uint8_t adapter_type;
uint16_t traffic_link_id;
uint16_t port_ingress;
uint16_t port_egress;
uint32_t hash_usr;
union {
struct
{
uint16_t ef_peer_index;
uint16_t ef_link_id;
};
struct
{
uint16_t vlan_tci;
struct rte_ether_hdr eth_hdr;
};
};
};
int buffer_metadata_get(marsio_buff_t * m, enum mr_buff_metadata_type type, void * data, unsigned int sz_data)
{
struct rte_mbuf * mbuf = (struct rte_mbuf *)m;
struct mrb_metadata * mrb_metadata = (struct mrb_metadata *)mrbuf_cz_data(mbuf, MR_NODE_CTRLZONE_ID);
switch (type)
{
case MR_BUFF_REHASH_INDEX:
if (unlikely(sz_data < sizeof(uint32_t)))
{
return -ENOMEM;
}
*(uint32_t *)(data) = (uint32_t)mbuf->hash.usr;
return sizeof(uint32_t);
case MR_BUFF_ROUTE_CTX: {
if (unlikely(sz_data < sizeof(struct mrb_metadata_route_ctx)))
{
return -ENOMEM;
}
struct mrb_metadata_route_ctx * route_ctx = (struct mrb_metadata_route_ctx *)data;
if (route_ctx == NULL)
{
return -EINVAL;
}
route_ctx->dir = mrb_metadata->dir;
route_ctx->adapter_type = mrb_metadata->adapter_type;
route_ctx->port_ingress = mrb_metadata->port_ingress;
route_ctx->port_egress = mrb_metadata->port_egress;
route_ctx->traffic_link_id = mrb_metadata->traffic_link_id;
route_ctx->hash_usr = mbuf->hash.usr;
if (mrb_metadata->adapter_type == ADAPTER_TYPE_EF)
{
route_ctx->ef_peer_index = mrb_metadata->ef_peer_index;
route_ctx->ef_link_id = mrb_metadata->ef_link_id;
}
else if (mrb_metadata->adapter_type == ADAPTER_TYPE_TERA)
{
const struct rte_ether_hdr * eth_hdr = rte_pktmbuf_mtod(mbuf, const struct rte_ether_hdr *);
const struct rte_vlan_hdr * vlan_hdr =
rte_pktmbuf_mtod_offset(mbuf, const struct rte_vlan_hdr *, sizeof(struct rte_ether_hdr));
route_ctx->vlan_tci = vlan_hdr->vlan_tci;
rte_memcpy(&route_ctx->eth_hdr, eth_hdr, sizeof(struct rte_ether_hdr));
}
return sizeof(struct mrb_metadata_route_ctx);
}
case MR_BUFF_DIR: {
if (unlikely(sz_data < sizeof(unsigned int)))
{
return -ENOMEM;
}
*(unsigned int *)(data) = (unsigned int)mrb_metadata->dir;
return sizeof(unsigned int);
}
case MR_BUFF_SESSION_ID: {
if (unlikely(sz_data < sizeof(uint64_t)))
{
return -ENOMEM;
}
*(uint64_t *)(data) = (uint64_t)mrb_metadata->session_id;
return sizeof(uint64_t);
}
case MR_BUFF_PAYLOAD_OFFSET: {
if (unlikely(sz_data < sizeof(uint16_t)))
{
return -ENOMEM;
}
*(uint16_t *)(data) = (uint16_t)mrb_metadata->payload_offset;
return sizeof(uint16_t);
}
case MR_BUFF_LINK_ID: {
if (unlikely(sz_data < sizeof(uint16_t)))
{
return -ENOMEM;
}
*(uint16_t *)(data) = (uint16_t)mrb_metadata->traffic_link_id;
return sizeof(uint16_t);
}
case MR_BUFF_USER_0: {
if (unlikely(sz_data < sizeof(uint16_t)))
{
return -ENOMEM;
}
*(uint16_t *)(data) = (uint16_t)mrb_metadata->user_0;
return sizeof(uint16_t);
}
default:
return -ENOTSUP;
}
return 0;
}
int buffer_metadata_set(marsio_buff_t * m, enum mr_buff_metadata_type type, void * data, unsigned int sz_data)
{
struct rte_mbuf * mbuf = (struct rte_mbuf *)m;
struct mrb_metadata * mrb_metadata = (struct mrb_metadata *)mrbuf_cz_data(mbuf, MR_NODE_CTRLZONE_ID);
switch (type)
{
case MR_BUFF_REHASH_INDEX:
if (unlikely(sz_data < sizeof(uint32_t)))
{
return -ENOMEM;
}
mbuf->hash.usr = *(uint32_t *)data;
return 0;
case MR_BUFF_METADATA_VLAN_TCI: {
if (unlikely(sz_data < sizeof(uint16_t)))
{
return -ENOMEM;
}
/* we do not want to relay on the hardware offload capability */
struct rte_ether_hdr * ether_hdr = (struct rte_ether_hdr *)rte_pktmbuf_mtod(mbuf, struct rte_ether_hdr *);
/* already has a vlan header */
if (ether_hdr->ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_VLAN))
{
struct rte_vlan_hdr * vlan_hdr = (struct rte_vlan_hdr *)(ether_hdr + 1);
vlan_hdr->vlan_tci = rte_cpu_to_be_16(*(uint16_t *)data);
}
else
{
mbuf->vlan_tci = *(uint16_t *)data;
rte_vlan_insert(&mbuf);
}
return 0;
}
case MR_BUFF_ROUTE_CTX: {
if (unlikely(sz_data < sizeof(struct mrb_metadata_route_ctx)))
{
return -ENOMEM;
}
struct mrb_metadata_route_ctx * route_ctx = (struct mrb_metadata_route_ctx *)data;
assert(route_ctx != NULL);
mrb_metadata->packet_create_from_nf = 1;
mrb_metadata->dir = route_ctx->dir;
mrb_metadata->adapter_type = route_ctx->adapter_type;
mrb_metadata->traffic_link_id = route_ctx->traffic_link_id;
mrb_metadata->port_ingress = route_ctx->port_ingress;
mrb_metadata->port_egress = route_ctx->port_egress;
mbuf->hash.usr = route_ctx->hash_usr;
if (route_ctx->adapter_type == ADAPTER_TYPE_EF)
{
mrb_metadata->ef_peer_index = route_ctx->ef_peer_index;
mrb_metadata->ef_link_id = route_ctx->ef_link_id;
}
else if (route_ctx->adapter_type == ADAPTER_TYPE_TERA)
{
/* Get original eth hdr */
struct rte_ether_hdr * ether_hdr = rte_pktmbuf_mtod(mbuf, struct rte_ether_hdr *);
/* Already has a vlan header */
if (ether_hdr->ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_VLAN))
{
struct rte_vlan_hdr * vlan_hdr = (struct rte_vlan_hdr *)(ether_hdr + 1);
vlan_hdr->vlan_tci = route_ctx->vlan_tci;
}
else
{
mbuf->vlan_tci = route_ctx->vlan_tci;
rte_vlan_insert(&mbuf);
ether_hdr = rte_pktmbuf_mtod(mbuf, struct rte_ether_hdr *);
}
/* Update the mac addr */
rte_memcpy(ðer_hdr->src_addr, &route_ctx->eth_hdr.src_addr, sizeof(struct rte_ether_addr));
rte_memcpy(ðer_hdr->dst_addr, &route_ctx->eth_hdr.dst_addr, sizeof(struct rte_ether_addr));
}
return 0;
}
case MR_BUFF_SESSION_ID: {
mrb_metadata->session_id = *(uint64_t *)data;
return 0;
}
case MR_BUFF_DIR: {
mrb_metadata->dir = *(unsigned int *)data;
return 0;
}
case MR_BUFF_PAYLOAD_OFFSET: {
mrb_metadata->payload_offset = *(uint16_t *)data;
return 0;
}
case MR_BUFF_USER_0: {
mrb_metadata->user_0 = *(uint16_t *)data;
return 0;
}
case MR_BUFF_LINK_ID: {
mrb_metadata->traffic_link_id = *(uint16_t *)data;
return 0;
}
default:
return -ENOTSUP;
}
return 0;
}
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