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>

1 files changed, 9 insertions, 12 deletions

diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index a48d80e77cd7..42d00ced5eb8 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -1568,13 +1568,13 @@ struct sctp_association {
                 __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 @@ struct sctp_association {
 
         __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? */
 };