Date: Thu, 10 Oct 2019 23:54:37 +0000 (UTC) From: Gleb Smirnoff <glebius@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r353426 - head/sys/net Message-ID: <201910102354.x9ANsbRZ090025@repo.freebsd.org>
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Author: glebius Date: Thu Oct 10 23:54:37 2019 New Revision: 353426 URL: https://svnweb.freebsd.org/changeset/base/353426 Log: Don't use if_maddr_rlock() in sppp(4), use epoch(9) directly instead. Modified: head/sys/net/if_spppsubr.c Modified: head/sys/net/if_spppsubr.c ============================================================================== --- head/sys/net/if_spppsubr.c Thu Oct 10 23:51:14 2019 (r353425) +++ head/sys/net/if_spppsubr.c Thu Oct 10 23:54:37 2019 (r353426) @@ -4818,6 +4818,7 @@ out: void sppp_get_ip_addrs(struct sppp *sp, u_long *src, u_long *dst, u_long *srcmask) { + struct epoch_tracker et; struct ifnet *ifp = SP2IFP(sp); struct ifaddr *ifa; struct sockaddr_in *si, *sm; @@ -4830,7 +4831,7 @@ sppp_get_ip_addrs(struct sppp *sp, u_long *src, u_long * aliases don't make any sense on a p2p link anyway. */ si = NULL; - if_addr_rlock(ifp); + NET_EPOCH_ENTER(et); CK_STAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) if (ifa->ifa_addr->sa_family == AF_INET) { si = (struct sockaddr_in *)ifa->ifa_addr; @@ -4849,7 +4850,7 @@ sppp_get_ip_addrs(struct sppp *sp, u_long *src, u_long if (si && si->sin_addr.s_addr) ddst = si->sin_addr.s_addr; } - if_addr_runlock(ifp); + NET_EPOCH_EXIT(et); if (dst) *dst = ntohl(ddst); if (src) *src = ntohl(ssrc); @@ -4863,6 +4864,7 @@ static void sppp_set_ip_addr(struct sppp *sp, u_long src) { STDDCL; + struct epoch_tracker et; struct ifaddr *ifa; struct sockaddr_in *si; struct in_ifaddr *ia; @@ -4872,7 +4874,7 @@ sppp_set_ip_addr(struct sppp *sp, u_long src) * aliases don't make any sense on a p2p link anyway. */ si = NULL; - if_addr_rlock(ifp); + NET_EPOCH_ENTER(et); CK_STAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { if (ifa->ifa_addr->sa_family == AF_INET) { si = (struct sockaddr_in *)ifa->ifa_addr; @@ -4882,7 +4884,7 @@ sppp_set_ip_addr(struct sppp *sp, u_long src) } } } - if_addr_runlock(ifp); + NET_EPOCH_EXIT(et); if (ifa != NULL) { int error; @@ -4921,6 +4923,7 @@ static void sppp_get_ip6_addrs(struct sppp *sp, struct in6_addr *src, struct in6_addr *dst, struct in6_addr *srcmask) { + struct epoch_tracker et; struct ifnet *ifp = SP2IFP(sp); struct ifaddr *ifa; struct sockaddr_in6 *si, *sm; @@ -4934,7 +4937,7 @@ sppp_get_ip6_addrs(struct sppp *sp, struct in6_addr *s * aliases don't make any sense on a p2p link anyway. */ si = NULL; - if_addr_rlock(ifp); + NET_EPOCH_ENTER(et); CK_STAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) if (ifa->ifa_addr->sa_family == AF_INET6) { si = (struct sockaddr_in6 *)ifa->ifa_addr; @@ -4960,7 +4963,7 @@ sppp_get_ip6_addrs(struct sppp *sp, struct in6_addr *s bcopy(&ddst, dst, sizeof(*dst)); if (src) bcopy(&ssrc, src, sizeof(*src)); - if_addr_runlock(ifp); + NET_EPOCH_EXIT(et); } #ifdef IPV6CP_MYIFID_DYN @@ -4980,6 +4983,7 @@ static void sppp_set_ip6_addr(struct sppp *sp, const struct in6_addr *src) { STDDCL; + struct epoch_tracker et; struct ifaddr *ifa; struct sockaddr_in6 *sin6; @@ -4989,7 +4993,7 @@ sppp_set_ip6_addr(struct sppp *sp, const struct in6_ad */ sin6 = NULL; - if_addr_rlock(ifp); + NET_EPOCH_ENTER(et); CK_STAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { if (ifa->ifa_addr->sa_family == AF_INET6) { sin6 = (struct sockaddr_in6 *)ifa->ifa_addr; @@ -4999,7 +5003,7 @@ sppp_set_ip6_addr(struct sppp *sp, const struct in6_ad } } } - if_addr_runlock(ifp); + NET_EPOCH_EXIT(et); if (ifa != NULL) { int error;
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