Author: cy
Date: Mon Jul 8 19:11:49 2019
New Revision: 349843
URL: https://svnweb.freebsd.org/changeset/base/349843
Log:
Update frtuc struct comments. It not only defines TCP things we are
interested in but also UDP.
While at it document the source and destination port variables.
MFC after: 3 days
Modified:
head/sys/contrib/ipfilter/netinet/ip_fil.h
Modified: head/sys/contrib/ipfilter/netinet/ip_fil.h
==============================================================================
--- head/sys/contrib/ipfilter/netinet/ip_fil.h Mon Jul 8 19:11:35 2019
(r349842)
+++ head/sys/contrib/ipfilter/netinet/ip_fil.h Mon Jul 8 19:11:49 2019
(r349843)
@@ -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
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