Use queue(9) instead of hand-crafted link lists for the global netatalk
address list. Generally follow the style and convention of similar parts in netinet. MFC after: 6 weeks
This commit is contained in:
parent
32187eb6d9
commit
2642bf60f7
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=194913
@ -154,7 +154,7 @@ at_ifawithnet_locked(struct sockaddr_at *sat)
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AT_IFADDR_LOCK_ASSERT();
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AT_IFADDR_LOCK_ASSERT();
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for (aa = at_ifaddr_list; aa != NULL; aa = aa->aa_next) {
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TAILQ_FOREACH(aa, &at_ifaddrhead, aa_link) {
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sat2 = &(aa->aa_addr);
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sat2 = &(aa->aa_addr);
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if (sat2->sat_addr.s_net == sat->sat_addr.s_net)
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if (sat2->sat_addr.s_net == sat->sat_addr.s_net)
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break;
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break;
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@ -48,7 +48,7 @@ __FBSDID("$FreeBSD$");
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#include <netatalk/at_extern.h>
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#include <netatalk/at_extern.h>
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struct rwlock at_ifaddr_rw;
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struct rwlock at_ifaddr_rw;
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struct at_ifaddr *at_ifaddr_list;
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struct at_ifaddrhead at_ifaddrhead;
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RW_SYSINIT(at_ifaddr_rw, &at_ifaddr_rw, "at_ifaddr_rw");
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RW_SYSINIT(at_ifaddr_rw, &at_ifaddr_rw, "at_ifaddr_rw");
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@ -79,9 +79,8 @@ at_control(struct socket *so, u_long cmd, caddr_t data, struct ifnet *ifp,
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struct sockaddr_at *sat;
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struct sockaddr_at *sat;
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struct netrange *nr;
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struct netrange *nr;
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struct at_aliasreq *ifra = (struct at_aliasreq *)data;
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struct at_aliasreq *ifra = (struct at_aliasreq *)data;
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struct at_ifaddr *aa_temp;
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struct at_ifaddr *aa;
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struct at_ifaddr *aa;
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struct ifaddr *ifa, *ifa0;
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struct ifaddr *ifa;
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int error;
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int error;
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/*
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/*
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@ -90,7 +89,7 @@ at_control(struct socket *so, u_long cmd, caddr_t data, struct ifnet *ifp,
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aa = NULL;
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aa = NULL;
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AT_IFADDR_RLOCK();
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AT_IFADDR_RLOCK();
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if (ifp != NULL) {
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if (ifp != NULL) {
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for (aa = at_ifaddr_list; aa != NULL; aa = aa->aa_next) {
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TAILQ_FOREACH(aa, &at_ifaddrhead, aa_link) {
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if (aa->aa_ifp == ifp)
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if (aa->aa_ifp == ifp)
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break;
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break;
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}
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}
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@ -118,7 +117,7 @@ at_control(struct socket *so, u_long cmd, caddr_t data, struct ifnet *ifp,
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struct at_ifaddr *oaa;
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struct at_ifaddr *oaa;
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AT_IFADDR_RLOCK();
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AT_IFADDR_RLOCK();
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for (oaa = aa; aa; aa = aa->aa_next) {
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for (oaa = aa; aa; aa = TAILQ_NEXT(aa, aa_link)) {
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if (aa->aa_ifp == ifp &&
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if (aa->aa_ifp == ifp &&
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sateqaddr(&aa->aa_addr, &ifra->ifra_addr))
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sateqaddr(&aa->aa_addr, &ifra->ifra_addr))
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break;
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break;
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@ -161,7 +160,7 @@ at_control(struct socket *so, u_long cmd, caddr_t data, struct ifnet *ifp,
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* the NEXT interface!
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* the NEXT interface!
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*/
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*/
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AT_IFADDR_RLOCK();
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AT_IFADDR_RLOCK();
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for (oaa = aa; aa; aa = aa->aa_next) {
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for (oaa = aa; aa; aa = TAILQ_NEXT(aa, aa_link)) {
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if (aa->aa_ifp == ifp &&
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if (aa->aa_ifp == ifp &&
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(aa->aa_flags & AFA_PHASE2) == 0)
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(aa->aa_flags & AFA_PHASE2) == 0)
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break;
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break;
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@ -180,7 +179,7 @@ at_control(struct socket *so, u_long cmd, caddr_t data, struct ifnet *ifp,
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* the NEXT interface!
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* the NEXT interface!
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*/
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*/
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AT_IFADDR_RLOCK();
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AT_IFADDR_RLOCK();
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for (oaa = aa; aa; aa = aa->aa_next) {
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for (oaa = aa; aa; aa = TAILQ_NEXT(aa, aa_link)) {
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if (aa->aa_ifp == ifp && (aa->aa_flags &
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if (aa->aa_ifp == ifp && (aa->aa_flags &
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AFA_PHASE2))
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AFA_PHASE2))
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break;
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break;
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@ -228,9 +227,9 @@ at_control(struct socket *so, u_long cmd, caddr_t data, struct ifnet *ifp,
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else
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else
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aa->aa_flags |= AFA_PHASE2;
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aa->aa_flags |= AFA_PHASE2;
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ifa_ref(&aa->aa_ifa); /* at_ifaddr_list */
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ifa_ref(&aa->aa_ifa); /* at_ifaddrhead */
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AT_IFADDR_WLOCK();
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AT_IFADDR_WLOCK();
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if ((aa_temp = at_ifaddr_list) != NULL) {
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if (!TAILQ_EMPTY(&at_ifaddrhead)) {
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/*
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/*
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* Don't let the loopback be first, since the
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* Don't let the loopback be first, since the
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* first address is the machine's default
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* first address is the machine's default
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@ -238,18 +237,16 @@ at_control(struct socket *so, u_long cmd, caddr_t data, struct ifnet *ifp,
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* ourself in front, otherwise go to the back
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* ourself in front, otherwise go to the back
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* of the list.
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* of the list.
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*/
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*/
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if (at_ifaddr_list->aa_ifp->if_flags &
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if (TAILQ_FIRST(&at_ifaddrhead)->aa_ifp->
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IFF_LOOPBACK) {
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if_flags & IFF_LOOPBACK)
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aa->aa_next = at_ifaddr_list;
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TAILQ_INSERT_HEAD(&at_ifaddrhead, aa,
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at_ifaddr_list = aa;
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aa_link);
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} else {
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else
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for (; aa_temp->aa_next; aa_temp =
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TAILQ_INSERT_TAIL(&at_ifaddrhead, aa,
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aa_temp->aa_next)
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aa_link);
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;
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aa_temp->aa_next = aa;
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}
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} else
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} else
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at_ifaddr_list = aa;
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TAILQ_INSERT_HEAD(&at_ifaddrhead, aa,
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aa_link);
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AT_IFADDR_WUNLOCK();
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AT_IFADDR_WUNLOCK();
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/*
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/*
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@ -280,7 +277,7 @@ at_control(struct socket *so, u_long cmd, caddr_t data, struct ifnet *ifp,
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* only look at a phase one address
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* only look at a phase one address
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*/
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*/
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AT_IFADDR_RUNLOCK();
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AT_IFADDR_RUNLOCK();
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for (oaa = aa; aa; aa = aa->aa_next) {
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for (oaa = aa; aa; aa = TAILQ_NEXT(aa, aa_link)) {
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if (aa->aa_ifp == ifp &&
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if (aa->aa_ifp == ifp &&
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(aa->aa_flags & AFA_PHASE2) == 0)
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(aa->aa_flags & AFA_PHASE2) == 0)
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break;
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break;
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@ -297,7 +294,7 @@ at_control(struct socket *so, u_long cmd, caddr_t data, struct ifnet *ifp,
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* default to phase 2
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* default to phase 2
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*/
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*/
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AT_IFADDR_RLOCK();
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AT_IFADDR_RLOCK();
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for (oaa = aa; aa; aa = aa->aa_next) {
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for (oaa = aa; aa; aa = TAILQ_NEXT(aa, aa_link)) {
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if (aa->aa_ifp == ifp && (aa->aa_flags &
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if (aa->aa_ifp == ifp && (aa->aa_flags &
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AFA_PHASE2))
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AFA_PHASE2))
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break;
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break;
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@ -359,11 +356,11 @@ at_control(struct socket *so, u_long cmd, caddr_t data, struct ifnet *ifp,
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/*
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/*
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* remove the ifaddr from the interface
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* remove the ifaddr from the interface
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*/
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*/
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ifa0 = (struct ifaddr *)aa;
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ifa = (struct ifaddr *)aa;
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IF_ADDR_LOCK(ifp);
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IF_ADDR_LOCK(ifp);
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TAILQ_REMOVE(&ifp->if_addrhead, ifa0, ifa_link);
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TAILQ_REMOVE(&ifp->if_addrhead, ifa, ifa_link);
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IF_ADDR_UNLOCK(ifp);
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IF_ADDR_UNLOCK(ifp);
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ifa_free(ifa0); /* if_addrhead */
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ifa_free(ifa); /* if_addrhead */
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/*
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/*
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* Now remove the at_ifaddr from the parallel structure
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* Now remove the at_ifaddr from the parallel structure
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@ -371,24 +368,9 @@ at_control(struct socket *so, u_long cmd, caddr_t data, struct ifnet *ifp,
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*/
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*/
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AT_IFADDR_WLOCK();
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AT_IFADDR_WLOCK();
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if (aa == (aa_temp = at_ifaddr_list)) {
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TAILQ_REMOVE(&at_ifaddrhead, aa, aa_link);
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at_ifaddr_list = aa->aa_next;
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} else {
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while (aa_temp->aa_next && (aa_temp->aa_next != aa))
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aa_temp = aa_temp->aa_next;
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/*
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* if we found it, remove it, otherwise we
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* screwed up.
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*/
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if (aa_temp->aa_next)
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aa_temp->aa_next = aa->aa_next;
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else
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panic("at_control");
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}
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AT_IFADDR_WUNLOCK();
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AT_IFADDR_WUNLOCK();
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ifa_free(ifa0); /* at_ifaddr_list */
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ifa_free(ifa); /* at_ifaddrhead */
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aa = aa_temp;
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break;
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break;
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default:
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default:
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@ -760,7 +742,7 @@ at_broadcast(struct sockaddr_at *sat)
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/*
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/*
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* failing that, if the net is one we have, it's a broadcast as well.
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* failing that, if the net is one we have, it's a broadcast as well.
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*/
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*/
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for (aa = at_ifaddr_list; aa != NULL; aa = aa->aa_next) {
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TAILQ_FOREACH(aa, &at_ifaddrhead, aa_link) {
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if ((aa->aa_ifp->if_flags & IFF_BROADCAST)
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if ((aa->aa_ifp->if_flags & IFF_BROADCAST)
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&& (ntohs(sat->sat_addr.s_net) >= ntohs(aa->aa_firstnet)
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&& (ntohs(sat->sat_addr.s_net) >= ntohs(aa->aa_firstnet)
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&& ntohs(sat->sat_addr.s_net) <= ntohs(aa->aa_lastnet)))
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&& ntohs(sat->sat_addr.s_net) <= ntohs(aa->aa_lastnet)))
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@ -40,11 +40,13 @@ struct at_ifaddr {
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u_short aa_lastnet;
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u_short aa_lastnet;
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int aa_probcnt;
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int aa_probcnt;
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struct callout aa_callout;
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struct callout aa_callout;
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struct at_ifaddr *aa_next;
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TAILQ_ENTRY(at_ifaddr) aa_link;
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};
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};
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#define aa_ifp aa_ifa.ifa_ifp
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#define aa_ifp aa_ifa.ifa_ifp
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#define aa_dstaddr aa_broadaddr;
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#define aa_dstaddr aa_broadaddr;
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TAILQ_HEAD(at_ifaddrhead, at_ifaddr);
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struct at_aliasreq {
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struct at_aliasreq {
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char ifra_name[IFNAMSIZ];
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char ifra_name[IFNAMSIZ];
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struct sockaddr_at ifra_addr;
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struct sockaddr_at ifra_addr;
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@ -61,8 +63,8 @@ struct at_aliasreq {
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#define AFA_PHASE2 0x0004
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#define AFA_PHASE2 0x0004
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#ifdef _KERNEL
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#ifdef _KERNEL
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extern struct rwlock at_ifaddr_rw;
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extern struct rwlock at_ifaddr_rw;
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extern struct at_ifaddr *at_ifaddr_list;
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extern struct at_ifaddrhead at_ifaddrhead;
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#define AT_IFADDR_LOCK_INIT() rw_init(&at_ifaddr_rw, "at_ifaddr_rw")
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#define AT_IFADDR_LOCK_INIT() rw_init(&at_ifaddr_rw, "at_ifaddr_rw")
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#define AT_IFADDR_LOCK_ASSERT() rw_assert(&at_ifaddr_rw, RA_LOCKED)
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#define AT_IFADDR_LOCK_ASSERT() rw_assert(&at_ifaddr_rw, RA_LOCKED)
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@ -162,7 +162,7 @@ ddp_input(struct mbuf *m, struct ifnet *ifp, struct elaphdr *elh, int phase)
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* it's valid for this packet.
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* it's valid for this packet.
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*/
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*/
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AT_IFADDR_RLOCK();
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AT_IFADDR_RLOCK();
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for (aa = at_ifaddr_list; aa != NULL; aa = aa->aa_next) {
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TAILQ_FOREACH(aa, &at_ifaddrhead, aa_link) {
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if ((aa->aa_ifp == ifp)
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if ((aa->aa_ifp == ifp)
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&& ((aa->aa_flags & AFA_PHASE2) == 0)
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&& ((aa->aa_flags & AFA_PHASE2) == 0)
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&& ((to.sat_addr.s_node ==
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&& ((to.sat_addr.s_node ==
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@ -224,8 +224,7 @@ ddp_input(struct mbuf *m, struct ifnet *ifp, struct elaphdr *elh, int phase)
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* what we want, but it's probably safe in 99.999% of
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* what we want, but it's probably safe in 99.999% of
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* cases.
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* cases.
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*/
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*/
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for (aa = at_ifaddr_list; aa != NULL;
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TAILQ_FOREACH(aa, &at_ifaddrhead, aa_link) {
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aa = aa->aa_next) {
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if (phase == 1 && (aa->aa_flags &
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if (phase == 1 && (aa->aa_flags &
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AFA_PHASE2))
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AFA_PHASE2))
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continue;
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continue;
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@ -244,8 +243,7 @@ ddp_input(struct mbuf *m, struct ifnet *ifp, struct elaphdr *elh, int phase)
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* A destination network was given. We just try to
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* A destination network was given. We just try to
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* find which ifaddr info matches it.
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* find which ifaddr info matches it.
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*/
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*/
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for (aa = at_ifaddr_list; aa != NULL;
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TAILQ_FOREACH(aa, &at_ifaddrhead, aa_link) {
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aa = aa->aa_next) {
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/*
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/*
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* This is a kludge. Accept packets that are
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* This is a kludge. Accept packets that are
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* for any router on a local netrange.
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* for any router on a local netrange.
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@ -143,7 +143,7 @@ ddp_route(struct mbuf *m, struct route *ro)
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(ifp = ro->ro_rt->rt_ifa->ifa_ifp)) {
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(ifp = ro->ro_rt->rt_ifa->ifa_ifp)) {
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net = ntohs(satosat(ro->ro_rt->rt_gateway)->sat_addr.s_net);
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net = ntohs(satosat(ro->ro_rt->rt_gateway)->sat_addr.s_net);
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AT_IFADDR_RLOCK();
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AT_IFADDR_RLOCK();
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for (aa = at_ifaddr_list; aa != NULL; aa = aa->aa_next) {
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TAILQ_FOREACH(aa, &at_ifaddrhead, aa_link) {
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if (((net == 0) || (aa->aa_ifp == ifp)) &&
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if (((net == 0) || (aa->aa_ifp == ifp)) &&
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net >= ntohs(aa->aa_firstnet) &&
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net >= ntohs(aa->aa_firstnet) &&
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net <= ntohs(aa->aa_lastnet))
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net <= ntohs(aa->aa_lastnet))
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@ -113,8 +113,7 @@ at_pcbsetaddr(struct ddpcb *ddp, struct sockaddr *addr, struct thread *td)
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if (sat->sat_addr.s_node != ATADDR_ANYNODE ||
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if (sat->sat_addr.s_node != ATADDR_ANYNODE ||
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sat->sat_addr.s_net != ATADDR_ANYNET) {
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sat->sat_addr.s_net != ATADDR_ANYNET) {
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AT_IFADDR_RLOCK();
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AT_IFADDR_RLOCK();
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for (aa = at_ifaddr_list; aa != NULL;
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TAILQ_FOREACH(aa, &at_ifaddrhead, aa_link) {
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aa = aa->aa_next) {
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if ((sat->sat_addr.s_net ==
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if ((sat->sat_addr.s_net ==
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AA_SAT(aa)->sat_addr.s_net) &&
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AA_SAT(aa)->sat_addr.s_net) &&
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(sat->sat_addr.s_node ==
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(sat->sat_addr.s_node ==
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@ -146,11 +145,11 @@ at_pcbsetaddr(struct ddpcb *ddp, struct sockaddr *addr, struct thread *td)
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if (sat->sat_addr.s_node == ATADDR_ANYNODE &&
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if (sat->sat_addr.s_node == ATADDR_ANYNODE &&
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sat->sat_addr.s_net == ATADDR_ANYNET) {
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sat->sat_addr.s_net == ATADDR_ANYNET) {
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AT_IFADDR_RLOCK();
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AT_IFADDR_RLOCK();
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if (at_ifaddr_list == NULL) {
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if (TAILQ_EMPTY(&at_ifaddrhead)) {
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AT_IFADDR_RUNLOCK();
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AT_IFADDR_RUNLOCK();
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return (EADDRNOTAVAIL);
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return (EADDRNOTAVAIL);
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}
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}
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sat->sat_addr = AA_SAT(at_ifaddr_list)->sat_addr;
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sat->sat_addr = AA_SAT(TAILQ_FIRST(&at_ifaddrhead))->sat_addr;
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AT_IFADDR_RUNLOCK();
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AT_IFADDR_RUNLOCK();
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}
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}
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ddp->ddp_lsat = *sat;
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ddp->ddp_lsat = *sat;
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@ -229,8 +228,7 @@ at_pcbconnect(struct ddpcb *ddp, struct sockaddr *addr, struct thread *td)
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aa = NULL;
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aa = NULL;
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AT_IFADDR_RLOCK();
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AT_IFADDR_RLOCK();
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if ((ifp = ro->ro_rt->rt_ifp) != NULL) {
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if ((ifp = ro->ro_rt->rt_ifp) != NULL) {
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for (aa = at_ifaddr_list; aa != NULL;
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TAILQ_FOREACH(aa, &at_ifaddrhead, aa_link) {
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aa = aa->aa_next) {
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if (aa->aa_ifp == ifp &&
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if (aa->aa_ifp == ifp &&
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ntohs(net) >= ntohs(aa->aa_firstnet) &&
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ntohs(net) >= ntohs(aa->aa_firstnet) &&
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ntohs(net) <= ntohs(aa->aa_lastnet))
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ntohs(net) <= ntohs(aa->aa_lastnet))
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@ -268,7 +266,7 @@ at_pcbconnect(struct ddpcb *ddp, struct sockaddr *addr, struct thread *td)
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aa = NULL;
|
aa = NULL;
|
||||||
if (ro->ro_rt && (ifp = ro->ro_rt->rt_ifp)) {
|
if (ro->ro_rt && (ifp = ro->ro_rt->rt_ifp)) {
|
||||||
AT_IFADDR_RLOCK();
|
AT_IFADDR_RLOCK();
|
||||||
for (aa = at_ifaddr_list; aa != NULL; aa = aa->aa_next) {
|
TAILQ_FOREACH(aa, &at_ifaddrhead, aa_link) {
|
||||||
if (aa->aa_ifp == ifp)
|
if (aa->aa_ifp == ifp)
|
||||||
break;
|
break;
|
||||||
}
|
}
|
||||||
|
@ -276,6 +276,7 @@ ddp_init(void)
|
|||||||
{
|
{
|
||||||
|
|
||||||
DDP_LIST_LOCK_INIT();
|
DDP_LIST_LOCK_INIT();
|
||||||
|
TAILQ_INIT(&at_ifaddrhead);
|
||||||
netisr_register(&atalk1_nh);
|
netisr_register(&atalk1_nh);
|
||||||
netisr_register(&atalk2_nh);
|
netisr_register(&atalk2_nh);
|
||||||
netisr_register(&aarp_nh);
|
netisr_register(&aarp_nh);
|
||||||
|
Loading…
Reference in New Issue
Block a user