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使用自定义的udp_hdr替换linux的udphdr

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luwenpeng
2023-02-17 17:53:21 +08:00
parent 0ba7fefba5
commit 551abde887
6 changed files with 33 additions and 25 deletions
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12
common/include/utils.h
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@@ -40,7 +40,7 @@ int fixed_num_array_index_elem(struct fixed_num_array *array, int index);
* sids
******************************************************************************/
#include "marsio.h"
#include <marsio.h>
struct sids
{
@@ -67,7 +67,15 @@ void throughput_metrics_inc(struct throughput_metrics *iterm, uint64_t n_pkts, u
* protocol
******************************************************************************/
void build_udp_header(const char *l3_hdr, int l3_hdr_len, struct udphdr *udp_hdr, u_int16_t udp_sport, u_int16_t udp_dport, int payload_len);
struct udp_hdr
{
u_int16_t uh_sport; /* source port */
u_int16_t uh_dport; /* destination port */
u_int16_t uh_ulen; /* udp length */
u_int16_t uh_sum; /* udp checksum */
} __attribute__((__packed__));
void build_udp_header(const char *l3_hdr, int l3_hdr_len, struct udp_hdr *udp_hdr, u_int16_t udp_sport, u_int16_t udp_dport, int payload_len);
void build_ip_header(struct ip *ip_hdr, u_int8_t next_protocol, const char *src_addr, const char *dst_addr, uint16_t payload_len);
void build_ether_header(struct ethhdr *eth_hdr, uint16_t next_protocol, const char *src_mac, const char *dst_mac);