diff options
| author | Thomas Graf <tgraf@suug.ch> | 2005-06-18 22:52:36 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2005-06-18 22:52:36 -0700 |
| commit | 8f48bcd4ef11a69add178fc3111a77e7ee95bacd (patch) | |
| tree | 01891abeb950c721d37ac9247a669e4f2c904f5f /include | |
| parent | e386c6eb431ca2e435d0202ad6997f3d2ccab2ce (diff) | |
[RTNETLINK]: Add RTA_(PUT|GET) shortcuts for u8, u16, and flag
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/rtnetlink.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h index 6fff8c4c99c..e68dbf0bf57 100644 --- a/include/linux/rtnetlink.h +++ b/include/linux/rtnetlink.h @@ -897,6 +897,14 @@ extern void __rta_fill(struct sk_buff *skb, int attrtype, int attrlen, const voi goto rtattr_failure; \ memcpy(skb_put(skb, RTA_ALIGN(attrlen)), data, attrlen); }) +#define RTA_PUT_U8(skb, attrtype, value) \ +({ u8 _tmp = (value); \ + RTA_PUT(skb, attrtype, sizeof(u8), &_tmp); }) + +#define RTA_PUT_U16(skb, attrtype, value) \ +({ u16 _tmp = (value); \ + RTA_PUT(skb, attrtype, sizeof(u16), &_tmp); }) + #define RTA_PUT_U32(skb, attrtype, value) \ ({ u32 _tmp = (value); \ RTA_PUT(skb, attrtype, sizeof(u32), &_tmp); }) @@ -914,6 +922,9 @@ extern void __rta_fill(struct sk_buff *skb, int attrtype, int attrlen, const voi #define RTA_PUT_STRING(skb, attrtype, value) \ RTA_PUT(skb, attrtype, strlen(value) + 1, value) +#define RTA_PUT_FLAG(skb, attrtype) \ + RTA_PUT(skb, attrtype, 0, NULL); + #define RTA_NEST(skb, type) \ ({ struct rtattr *__start = (struct rtattr *) (skb)->tail; \ RTA_PUT(skb, type, 0, NULL); \ @@ -928,6 +939,16 @@ extern void __rta_fill(struct sk_buff *skb, int attrtype, int attrlen, const voi skb_trim(skb, (unsigned char *) (start) - (skb)->data); \ -1; }) +#define RTA_GET_U8(rta) \ +({ if (!rta || RTA_PAYLOAD(rta) < sizeof(u8)) \ + goto rtattr_failure; \ + *(u8 *) RTA_DATA(rta); }) + +#define RTA_GET_U16(rta) \ +({ if (!rta || RTA_PAYLOAD(rta) < sizeof(u16)) \ + goto rtattr_failure; \ + *(u16 *) RTA_DATA(rta); }) + #define RTA_GET_U32(rta) \ ({ if (!rta || RTA_PAYLOAD(rta) < sizeof(u32)) \ goto rtattr_failure; \ @@ -940,6 +961,8 @@ extern void __rta_fill(struct sk_buff *skb, int attrtype, int attrlen, const voi memcpy(&_tmp, RTA_DATA(rta), sizeof(_tmp)); \ _tmp; }) +#define RTA_GET_FLAG(rta) (!!(rta)) + #define RTA_GET_SECS(rta) ((unsigned long) RTA_GET_U64(rta) * HZ) #define RTA_GET_MSECS(rta) (msecs_to_jiffies((unsigned long) RTA_GET_U64(rta))) |