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include/netpacket/netlink.h: Some cosmetic reorganization.

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This commit is contained in:
Gregory Nutt 2019-11-03 16:15:59 -06:00
parent 2991987018
commit fa98b268ec
1 changed files with 20 additions and 20 deletions
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40
include/netpacket/netlink.h
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@ -229,23 +229,34 @@
#define NLM_F_CAPPED 0x0100 /* request was capped */
#define NLM_F_ACK_TLVS 0x0200 /* extended ACK TVLs were included */
/* Definitions for struct nlmsghdr ******************************************/
#define NLMSG_MASK (sizeof(uint32_t) - 1)
#define NLMSG_ALIGN(n) (((n) + NLMSG_MASK) & ~NLMSG_MASK)
#define NLMSG_HDRLEN sizeof(struct nlmsghdr)
#define NLMSG_LENGTH(n) (NLMSG_HDRLEN + (n))
#define NLMSG_DATA(hdr) ((FAR void*)(((FAR char*)hdr) + NLMSG_HDRLEN)
#define NLMSG_NEXT(hdr,n) \
((n) -= NLMSG_ALIGN((hdr)->nlmsg_len), \
(FAR struct nlmsghdr*)(((FAR cha r*)(hdr)) + NLMSG_ALIGN((hdr)->nlmsg_len)))
/* Definitions for struct rtattr ********************************************/
/* Macros to handle rtattributes */
#define RTA_ALIGNTO 4
#define RTA_ALIGN(len) (((len)+RTA_ALIGNTO-1) & ~(RTA_ALIGNTO-1))
#define RTA_OK(rta,len) \
((len) >= (int)sizeof(struct rtattr) && \
#define RTA_MASK (sizeof(uint32_t) - 1)
#define RTA_ALIGN(n) (((n) + RTA_MASK) & ~RTA_MASK)
#define RTA_OK(rta,n) \
((n) >= (int)sizeof(struct rtattr) && \
(rta)->rta_len >= sizeof(struct rtattr) && \
(rta)->rta_len <= (len))
(rta)->rta_len <= (n))
#define RTA_NEXT(rta,attrlen) \
((attrlen) -= RTA_ALIGN((rta)->rta_len), \
(struct rtattr*)(((char*)(rta)) + RTA_ALIGN((rta)->rta_len)))
#define RTA_LENGTH(len) (RTA_ALIGN(sizeof(struct rtattr)) + (len))
#define RTA_SPACE(len) RTA_ALIGN(RTA_LENGTH(len))
#define RTA_DATA(rta) ((FAR void *)(((FAR char *)(rta)) + RTA_LENGTH(0)))
#define RTA_PAYLOAD(rta) ((int)((rta)->rta_len) - RTA_LENGTH(0))
#define RTA_LENGTH(n) (RTA_ALIGN(sizeof(struct rtattr)) + (n))
#define RTA_SPACE(n) RTA_ALIGN(RTA_LENGTH(n))
#define RTA_DATA(rta) ((FAR void *)(((FAR char *)(rta)) + RTA_LENGTH(0)))
#define RTA_PAYLOAD(rta) ((int)((rta)->rta_len) - RTA_LENGTH(0))
/* Definitions for struct ifaddrmsg ****************************************/
@ -257,17 +268,6 @@
#define IFA_F_SECONDARY 0x01
#define IFA_F_PERMANENT 0x02
/* Common message helper macros ********************************************/
#define NLMSG_MASK (sizeof(uint32_t) - 1)
#define NLMSG_ALIGN(n) (((n) + NLMSG_MASK) & ~NLMSG_MASK)
#define NLMSG_HDRLEN sizeof(struct nlmsghdr)
#define NLMSG_LENGTH(n) (NLMSG_HDRLEN + (n))
#define NLMSG_DATA(hdr) ((FAR void*)(((FAR char*)hdr) + NLMSG_HDRLEN)
#define NLMSG_NEXT(hdr,n) \
((n) -= NLMSG_ALIGN((hdr)->nlmsg_len), \
(FAR struct nlmsghdr*)(((FAR cha r*)(hdr)) + NLMSG_ALIGN((hdr)->nlmsg_len)))
/****************************************************************************
* Public Type Definitions
****************************************************************************/