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Update frtuc struct comments. It not only defines TCP things we are

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interested in but also UDP.

While at it document the source and destination port variables.

MFC after:	3 days
This commit is contained in:
Cy Schubert 2019-07-08 19:11:49 +00:00
parent b64b92b0d2
commit 67a1d0547c
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=349843
1 changed files with 3 additions and 3 deletions
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6
sys/contrib/ipfilter/netinet/ip_fil.h
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@ -590,14 +590,14 @@ typedef struct frpcmp {
/*
* Structure containing all the relevant TCP things that can be checked in
* Structure containing all the relevant TCP/UDP things that can be checked in
* a filter rule.
*/
typedef struct frtuc {
u_char ftu_tcpfm; /* tcp flags mask */
u_char ftu_tcpf; /* tcp flags */
frpcmp_t ftu_src;
frpcmp_t ftu_dst;
frpcmp_t ftu_src; /* source port */
frpcmp_t ftu_dst; /* destination port */
} frtuc_t;
#define ftu_scmp ftu_src.frp_cmp