diff options
| -rw-r--r-- | share/man/man4/multicast.4 | 42 |
1 files changed, 17 insertions, 25 deletions
diff --git a/share/man/man4/multicast.4 b/share/man/man4/multicast.4 index 5c56b62b72f..6c76d13f0d9 100644 --- a/share/man/man4/multicast.4 +++ b/share/man/man4/multicast.4 @@ -24,10 +24,10 @@ .\" DEALINGS IN THE SOFTWARE. .\" .\" $FreeBSD: src/share/man/man4/multicast.4,v 1.4 2004/07/09 09:22:36 ru Exp $ -.\" $OpenBSD: multicast.4,v 1.12 2018/03/07 09:54:23 jmc Exp $ +.\" $OpenBSD: multicast.4,v 1.13 2018/10/20 20:09:18 cheloha Exp $ .\" $NetBSD: multicast.4,v 1.3 2004/09/12 13:12:26 wiz Exp $ .\" -.Dd $Mdocdate: March 7 2018 $ +.Dd $Mdocdate: October 20 2018 $ .Dt MULTICAST 4 .Os .\" @@ -138,17 +138,17 @@ or disable multicast forwarding in the kernel: .Bd -literal -offset 5n /* IPv4 */ int v = 1; /* 1 to enable, or 0 to disable */ -setsockopt(mrouter_s4, IPPROTO_IP, MRT_INIT, (void *)&v, sizeof(v)); +setsockopt(mrouter_s4, IPPROTO_IP, MRT_INIT, &v, sizeof(v)); .Ed .Bd -literal -offset 5n /* IPv6 */ int v = 1; /* 1 to enable, or 0 to disable */ -setsockopt(mrouter_s6, IPPROTO_IPV6, MRT6_INIT, (void *)&v, sizeof(v)); +setsockopt(mrouter_s6, IPPROTO_IPV6, MRT6_INIT, &v, sizeof(v)); \&... /* If necessary, filter all ICMPv6 messages */ struct icmp6_filter filter; ICMP6_FILTER_SETBLOCKALL(&filter); -setsockopt(mrouter_s6, IPPROTO_ICMPV6, ICMP6_FILTER, (void *)&filter, +setsockopt(mrouter_s6, IPPROTO_ICMPV6, ICMP6_FILTER, &filter, sizeof(filter)); .Ed .Pp @@ -168,8 +168,7 @@ memcpy(&vc.vifc_lcl_addr, &vif_local_address, sizeof(vc.vifc_lcl_addr)); if (vc.vifc_flags & VIFF_TUNNEL) memcpy(&vc.vifc_rmt_addr, &vif_remote_address, sizeof(vc.vifc_rmt_addr)); -setsockopt(mrouter_s4, IPPROTO_IP, MRT_ADD_VIF, (void *)&vc, - sizeof(vc)); +setsockopt(mrouter_s4, IPPROTO_IP, MRT_ADD_VIF, &vc, sizeof(vc)); .Ed .Pp The @@ -205,8 +204,7 @@ memset(&mc, 0, sizeof(mc)); mc.mif6c_mifi = mif_index; mc.mif6c_flags = mif_flags; mc.mif6c_pifi = pif_index; -setsockopt(mrouter_s6, IPPROTO_IPV6, MRT6_ADD_MIF, (void *)&mc, - sizeof(mc)); +setsockopt(mrouter_s6, IPPROTO_IPV6, MRT6_ADD_MIF, &mc, sizeof(mc)); .Ed .Pp The @@ -226,13 +224,13 @@ A multicast interface is deleted by: .Bd -literal -offset indent /* IPv4 */ vifi_t vifi = vif_index; -setsockopt(mrouter_s4, IPPROTO_IP, MRT_DEL_VIF, (void *)&vifi, +setsockopt(mrouter_s4, IPPROTO_IP, MRT_DEL_VIF, &vifi, sizeof(vifi)); .Ed .Bd -literal -offset indent /* IPv6 */ mifi_t mifi = mif_index; -setsockopt(mrouter_s6, IPPROTO_IPV6, MRT6_DEL_MIF, (void *)&mifi, +setsockopt(mrouter_s6, IPPROTO_IPV6, MRT6_DEL_MIF, &mifi, sizeof(mifi)); .Ed .Pp @@ -301,8 +299,7 @@ memcpy(&mc.mfcc_mcastgrp, &group_addr, sizeof(mc.mfcc_mcastgrp)); mc.mfcc_parent = iif_index; for (i = 0; i < maxvifs; i++) mc.mfcc_ttls[i] = oifs_ttl[i]; -setsockopt(mrouter_s4, IPPROTO_IP, MRT_ADD_MFC, - (void *)&mc, sizeof(mc)); +setsockopt(mrouter_s4, IPPROTO_IP, MRT_ADD_MFC, &mc, sizeof(mc)); .Ed .Bd -literal -offset indent /* IPv6 */ @@ -314,8 +311,7 @@ mc.mf6cc_parent = iif_index; for (i = 0; i < maxvifs; i++) if (oifs_ttl[i] > 0) IF_SET(i, &mc.mf6cc_ifset); -setsockopt(mrouter_s4, IPPROTO_IPV6, MRT6_ADD_MFC, - (void *)&mc, sizeof(mc)); +setsockopt(mrouter_s4, IPPROTO_IPV6, MRT6_ADD_MFC, &mc, sizeof(mc)); .Ed .Pp The @@ -344,8 +340,7 @@ struct mfcctl mc; memset(&mc, 0, sizeof(mc)); memcpy(&mc.mfcc_origin, &source_addr, sizeof(mc.mfcc_origin)); memcpy(&mc.mfcc_mcastgrp, &group_addr, sizeof(mc.mfcc_mcastgrp)); -setsockopt(mrouter_s4, IPPROTO_IP, MRT_DEL_MFC, - (void *)&mc, sizeof(mc)); +setsockopt(mrouter_s4, IPPROTO_IP, MRT_DEL_MFC, &mc, sizeof(mc)); .Ed .Bd -literal -offset indent /* IPv6 */ @@ -353,8 +348,7 @@ struct mf6cctl mc; memset(&mc, 0, sizeof(mc)); memcpy(&mc.mf6cc_origin, &source_addr, sizeof(mc.mf6cc_origin)); memcpy(&mc.mf6cc_mcastgrp, &group_addr, sizeof(mf6cc_mcastgrp)); -setsockopt(mrouter_s4, IPPROTO_IPV6, MRT6_DEL_MFC, - (void *)&mc, sizeof(mc)); +setsockopt(mrouter_s4, IPPROTO_IPV6, MRT6_DEL_MFC, &mc, sizeof(mc)); .Ed .Pp The following method can be used to get various statistics per @@ -453,7 +447,7 @@ and An example: .Bd -literal -offset 3n uint32_t v; -getsockopt(sock, IPPROTO_IP, MRT_API_SUPPORT, (void *)&v, sizeof(v)); +getsockopt(sock, IPPROTO_IP, MRT_API_SUPPORT, &v, sizeof(v)); .Ed .Pp This would set @@ -478,10 +472,8 @@ would fail. To modify the API, and to set some specific feature in the kernel, then: .Bd -literal -offset 3n uint32_t v = MRT_MFC_FLAGS_DISABLE_WRONGVIF; -if (setsockopt(sock, IPPROTO_IP, MRT_API_CONFIG, (void *)&v, sizeof(v)) - != 0) { +if (setsockopt(sock, IPPROTO_IP, MRT_API_CONFIG, &v, sizeof(v)) != 0) return (ERROR); -} if (v & MRT_MFC_FLAGS_DISABLE_WRONGVIF) return (OK); /* Success */ else @@ -498,7 +490,7 @@ The return value in is the actual (sub)set of features that were enabled in the kernel. To obtain later the same set of features that were enabled, use: .Bd -literal -offset indent -getsockopt(sock, IPPROTO_IP, MRT_API_CONFIG, (void *)&v, sizeof(v)); +getsockopt(sock, IPPROTO_IP, MRT_API_CONFIG, &v, sizeof(v)); .Ed .Pp The set of enabled features is global. @@ -775,7 +767,7 @@ do { return (ERROR); } while (0); setsockopt(mrouter_s4, IPPROTO_IP, MRT_ADD_BW_UPCALL, - (void *)&bw_upcall, sizeof(bw_upcall)); + &bw_upcall, sizeof(bw_upcall)); .Ed .Pp To delete a single filter, use |