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libdtrace: Fix TCP data offset handling in the tcpinfo_t translator

Browse source 
The header gives an offset in 32-bit words, and the translator is
supposed to convert that to a byte count.  But, the conversion was
incorrect.

Reviewed by:	tuexen, rscheff
MFC after:	1 week
Differential Revision:	https://reviews.freebsd.org/D43264
This commit is contained in:
Mark Johnston 2024-01-01 16:33:30 -05:00
parent 09af4bf2c9
commit c3268c23de
1 changed files with 2 additions and 2 deletions
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4
cddl/lib/libdtrace/tcp.d
View file

@ -265,7 +265,7 @@ translator tcpinfo_t < struct tcphdr *p > {
tcp_dport = p == NULL ? 0 : ntohs(p->th_dport);
tcp_seq = p == NULL ? -1 : ntohl(p->th_seq);
tcp_ack = p == NULL ? -1 : ntohl(p->th_ack);
tcp_offset = p == NULL ? -1 : (p->th_off >> 2);
tcp_offset = p == NULL ? -1 : (p->th_off << 2);
tcp_flags = p == NULL ? 0 : ((p->th_x2 << 8) | p->th_flags);
tcp_window = p == NULL ? 0 : ntohs(p->th_win);
tcp_checksum = p == NULL ? 0 : ntohs(p->th_sum);
@ -284,7 +284,7 @@ translator tcpinfoh_t < struct tcphdr *p > {
tcp_dport = p == NULL ? 0 : ntohs(p->th_dport);
tcp_seq = p == NULL ? -1 : p->th_seq;
tcp_ack = p == NULL ? -1 : p->th_ack;
tcp_offset = p == NULL ? -1 : (p->th_off >> 2);
tcp_offset = p == NULL ? -1 : (p->th_off << 2);
tcp_flags = p == NULL ? 0 : ((p->th_x2 << 8) | p->th_flags);
tcp_window = p == NULL ? 0 : p->th_win;
tcp_checksum = p == NULL ? 0 : ntohs(p->th_sum);