bugfix: ipv4_hdr_get_frag_offset

2024-02-01 15:46:43 +08:00
parent 97ef872d9a
commit 3bbb341280
1 changed files with 1 additions and 1 deletions
--- a/src/packet/ipv4_helpers.h
+++ b/src/packet/ipv4_helpers.h
@@ -76,7 +76,7 @@ static inline bool ipv4_hdr_has_flag_mf(const struct ip *hdr)

 static inline uint16_t ipv4_hdr_get_frag_offset(const struct ip *hdr)
 {
-    return ntohs(hdr->ip_off) & IP_OFFMASK;
+    return (ntohs(hdr->ip_off) & IP_OFFMASK) << 3;
 }

 static inline uint8_t ipv4_hdr_get_ttl(const struct ip *hdr)