sctp: turn flags in 'struct sctp_association' into bit fields
This shrinks the size of struct sctp_association a little.
Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index a48d80e..42d00ce 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -1568,13 +1568,13 @@
__u32 sack_cnt;
/* These are capabilities which our peer advertised. */
- __u8 ecn_capable; /* Can peer do ECN? */
- __u8 ipv4_address; /* Peer understands IPv4 addresses? */
- __u8 ipv6_address; /* Peer understands IPv6 addresses? */
- __u8 hostname_address;/* Peer understands DNS addresses? */
- __u8 asconf_capable; /* Does peer support ADDIP? */
- __u8 prsctp_capable; /* Can peer do PR-SCTP? */
- __u8 auth_capable; /* Is peer doing SCTP-AUTH? */
+ __u8 ecn_capable:1, /* Can peer do ECN? */
+ ipv4_address:1, /* Peer understands IPv4 addresses? */
+ ipv6_address:1, /* Peer understands IPv6 addresses? */
+ hostname_address:1, /* Peer understands DNS addresses? */
+ asconf_capable:1, /* Does peer support ADDIP? */
+ prsctp_capable:1, /* Can peer do PR-SCTP? */
+ auth_capable:1; /* Is peer doing SCTP-AUTH? */
__u32 adaptation_ind; /* Adaptation Code point. */
@@ -1913,11 +1913,8 @@
__u16 active_key_id;
- /* Need to send an ECNE Chunk? */
- char need_ecne;
-
- /* Is it a temporary association? */
- char temp;
+ __u8 need_ecne:1, /* Need to send an ECNE Chunk? */
+ temp:1; /* Is it a temporary association? */
};