gfwleak/tango-tsg-service-chaining-engine
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perf: 将parse_l4的next_proto从uint16_t调整为uint8_t, 避免隐式类型转换

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luwenpeng
2023-11-28 17:24:57 +08:00
parent 6d1a69aea6
commit a647684704
1 changed files with 4 additions and 4 deletions
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8
common/src/packet.cpp
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@@ -64,7 +64,7 @@ static inline const char *parse_vxlan(struct packet *handler, const char *data,
static inline const char *parse_gtpv1_u(struct packet *handler, const char *data, uint16_t len);
// L3/L4
static inline const char *parse_l3(struct packet *handler, uint16_t next_proto, const char *data, uint16_t len);
static inline const char *parse_l4(struct packet *handler, uint16_t next_proto, const char *data, uint16_t len);
static inline const char *parse_l4(struct packet *handler, uint8_t next_proto, const char *data, uint16_t len);
/******************************************************************************
* Private API -- Utils
@@ -785,7 +785,7 @@ static inline const char *parse_ipv4(struct packet *handler, const char *data, u
return data;
}
struct ip *hdr = (struct ip *)data;
uint16_t next_proto = hdr->ip_p;
uint8_t next_proto = hdr->ip_p;
uint16_t hdr_len = (hdr->ip_hl & 0xf) * 4u;
SET_LAYER(handler, layer, LAYER_TYPE_IPV4, hdr_len, data, len);
@@ -805,7 +805,7 @@ static inline const char *parse_ipv6(struct packet *handler, const char *data, u
{
return data;
}
uint16_t next_proto = ((struct ip6_hdr *)data)->ip6_nxt;
uint8_t next_proto = ((struct ip6_hdr *)data)->ip6_nxt;
SET_LAYER(handler, layer, LAYER_TYPE_IPV6, sizeof(struct ip6_hdr), data, len);
return parse_l4(handler, next_proto, layer->pld_ptr, layer->pld_len);
@@ -971,7 +971,7 @@ static inline const char *parse_l3(struct packet *handler, uint16_t next_proto,
}
}
static inline const char *parse_l4(struct packet *handler, uint16_t next_proto, const char *data, uint16_t len)
static inline const char *parse_l4(struct packet *handler, uint8_t next_proto, const char *data, uint16_t len)
{
switch (next_proto)
{