diff options
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/netinet/in.c | 11 | ||||
| -rw-r--r-- | sys/sys/sockio.h | 1 |
2 files changed, 11 insertions, 1 deletions
diff --git a/sys/netinet/in.c b/sys/netinet/in.c index be26ecd..9c44b87 100644 --- a/sys/netinet/in.c +++ b/sys/netinet/in.c @@ -315,6 +315,7 @@ in_control(struct socket *so, u_long cmd, caddr_t data, struct ifnet *ifp, * Security checks before we get involved in any work. */ switch (cmd) { + case SIOCORDERIFADDR: case SIOCAIFADDR: if (td != NULL) { error = priv_check(td, PRIV_NET_ADDIFADDR); @@ -374,6 +375,7 @@ in_control(struct socket *so, u_long cmd, caddr_t data, struct ifnet *ifp, error = 0; switch (cmd) { + case SIOCORDERIFADDR: case SIOCAIFADDR: case SIOCDIFADDR: if (ifra->ifra_addr.sin_family == AF_INET) { @@ -399,10 +401,17 @@ in_control(struct socket *so, u_long cmd, caddr_t data, struct ifnet *ifp, goto out; } } - if (cmd == SIOCDIFADDR && ia == NULL) { + if ((cmd == SIOCDIFADDR || cmd == SIOCORDERIFADDR) && ia == NULL) { error = EADDRNOTAVAIL; goto out; } + if (cmd == SIOCORDERIFADDR && ia != NULL) { + IF_ADDR_WLOCK(ifp); + TAILQ_REMOVE(&ifp->if_addrhead, &ia->ia_ifa, ifa_link); + TAILQ_INSERT_AFTER(&ifp->if_addrhead, TAILQ_FIRST(&ifp->if_addrhead), &ia->ia_ifa, ifa_link); + IF_ADDR_WUNLOCK(ifp); + goto out; + } if (ia == NULL) { ia = (struct in_ifaddr *) malloc(sizeof *ia, M_IFADDR, M_NOWAIT | diff --git a/sys/sys/sockio.h b/sys/sys/sockio.h index 2d38e48..5397f77 100644 --- a/sys/sys/sockio.h +++ b/sys/sys/sockio.h @@ -127,5 +127,6 @@ #define SIOCGIFGROUP _IOWR('i', 136, struct ifgroupreq) /* get ifgroups */ #define SIOCDIFGROUP _IOW('i', 137, struct ifgroupreq) /* delete ifgroup */ #define SIOCGIFGMEMB _IOWR('i', 138, struct ifgroupreq) /* get members */ +#define SIOCORDERIFADDR _IOWR('i', 139, struct ifaliasreq) /* reorder interface */ #endif /* !_SYS_SOCKIO_H_ */ |
