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feature: packet IO support IP reassembly

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This commit is contained in:
luwenpeng
2024-10-23 10:01:20 +08:00
parent a7b79a0e22
commit fd3cc20554
54 changed files with 3474 additions and 4271 deletions
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38
infra/packet_manager/packet_internal.h
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@@ -34,7 +34,25 @@ struct metadata
enum packet_direction direction;
enum packet_action action;
struct timeval tv;
const void *origin_ctx;
};
enum origin_type
{
ORIGIN_TYPE_MR,
ORIGIN_TYPE_PCAP,
ORIGIN_TYPE_USER,
};
typedef void origin_free(struct packet *pkt, void *args);
struct packet_origin
{
enum origin_type type;
void *ctx;
origin_free *cb;
void *args;
int thr_idx;
};
struct layer_private
@@ -50,6 +68,8 @@ struct layer_private
uint16_t hdr_offset; // header offset from data_ptr
};
TAILQ_HEAD(packet_queue, packet);
struct packet
{
void *user_data;
@@ -58,14 +78,19 @@ struct packet
int8_t layers_used;
int8_t layers_size;
int8_t need_free;
int8_t is_defraged;
const char *data_ptr;
uint16_t data_len;
uint16_t trim_len; // trim eth padding
TAILQ_ENTRY(packet) stage_tqe;
TAILQ_ENTRY(packet) pool_tqe; // for packet pool
TAILQ_ENTRY(packet) frag_tqe; // for IP reassembly
TAILQ_ENTRY(packet) stage_tqe; // for packet manager
struct packet_queue frag_list; // for defraged packet
struct metadata meta;
struct packet_origin origin;
};
enum packet_load_balance_method
@@ -84,8 +109,8 @@ enum packet_load_balance_method
void packet_set_route_ctx(struct packet *pkt, const struct route_ctx *ctx);
const struct route_ctx *packet_get_route_ctx(const struct packet *pkt);
void packet_set_origin_ctx(struct packet *pkt, void *ctx);
const void *packet_get_origin_ctx(const struct packet *pkt);
void packet_set_origin(struct packet *pkt, struct packet_origin *origin);
struct packet_origin *packet_get_origin(struct packet *pkt);
void packet_set_sids(struct packet *pkt, const struct sids *sids);
const struct sids *packet_get_sids(const struct packet *pkt);
@@ -152,6 +177,11 @@ struct packet *packet_dup(const struct packet *pkt);
void packet_free(struct packet *pkt);
int packet_is_fragment(const struct packet *pkt);
int packet_is_defraged(const struct packet *pkt);
void packet_set_defraged(struct packet *pkt);
void packet_push_frag(struct packet *pkt, struct packet *frag);
struct packet *packet_pop_frag(struct packet *pkt);
#ifdef __cplusplus
}