diff options
Diffstat (limited to 'net/decnet/af_decnet.c')
| -rw-r--r-- | net/decnet/af_decnet.c | 697 |
1 files changed, 348 insertions, 349 deletions
diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c index ea3b6ee21fc9..19acd00a6382 100644 --- a/net/decnet/af_decnet.c +++ b/net/decnet/af_decnet.c @@ -291,23 +291,23 @@ int dn_sockaddr2username(struct sockaddr_dn *sdn, unsigned char *buf, unsigned c *buf++ = type; - switch(type) { - case 0: - *buf++ = sdn->sdn_objnum; - break; - case 1: - *buf++ = 0; - *buf++ = le16_to_cpu(sdn->sdn_objnamel); - memcpy(buf, sdn->sdn_objname, le16_to_cpu(sdn->sdn_objnamel)); - len = 3 + le16_to_cpu(sdn->sdn_objnamel); - break; - case 2: - memset(buf, 0, 5); - buf += 5; - *buf++ = le16_to_cpu(sdn->sdn_objnamel); - memcpy(buf, sdn->sdn_objname, le16_to_cpu(sdn->sdn_objnamel)); - len = 7 + le16_to_cpu(sdn->sdn_objnamel); - break; + switch (type) { + case 0: + *buf++ = sdn->sdn_objnum; + break; + case 1: + *buf++ = 0; + *buf++ = le16_to_cpu(sdn->sdn_objnamel); + memcpy(buf, sdn->sdn_objname, le16_to_cpu(sdn->sdn_objnamel)); + len = 3 + le16_to_cpu(sdn->sdn_objnamel); + break; + case 2: + memset(buf, 0, 5); + buf += 5; + *buf++ = le16_to_cpu(sdn->sdn_objnamel); + memcpy(buf, sdn->sdn_objname, le16_to_cpu(sdn->sdn_objnamel)); + len = 7 + le16_to_cpu(sdn->sdn_objnamel); + break; } return len; @@ -337,23 +337,23 @@ int dn_username2sockaddr(unsigned char *data, int len, struct sockaddr_dn *sdn, *fmt = *data++; type = *data++; - switch(*fmt) { - case 0: - sdn->sdn_objnum = type; - return 2; - case 1: - namel = 16; - break; - case 2: - len -= 4; - data += 4; - break; - case 4: - len -= 8; - data += 8; - break; - default: - return -1; + switch (*fmt) { + case 0: + sdn->sdn_objnum = type; + return 2; + case 1: + namel = 16; + break; + case 2: + len -= 4; + data += 4; + break; + case 4: + len -= 8; + data += 8; + break; + default: + return -1; } len -= 1; @@ -575,25 +575,26 @@ int dn_destroy_timer(struct sock *sk) scp->persist = dn_nsp_persist(sk); - switch(scp->state) { - case DN_DI: - dn_nsp_send_disc(sk, NSP_DISCINIT, 0, GFP_ATOMIC); - if (scp->nsp_rxtshift >= decnet_di_count) - scp->state = DN_CN; - return 0; + switch (scp->state) { + case DN_DI: + dn_nsp_send_disc(sk, NSP_DISCINIT, 0, GFP_ATOMIC); + if (scp->nsp_rxtshift >= decnet_di_count) + scp->state = DN_CN; + return 0; - case DN_DR: - dn_nsp_send_disc(sk, NSP_DISCINIT, 0, GFP_ATOMIC); - if (scp->nsp_rxtshift >= decnet_dr_count) - scp->state = DN_DRC; - return 0; + case DN_DR: + dn_nsp_send_disc(sk, NSP_DISCINIT, 0, GFP_ATOMIC); + if (scp->nsp_rxtshift >= decnet_dr_count) + scp->state = DN_DRC; + return 0; - case DN_DN: - if (scp->nsp_rxtshift < decnet_dn_count) { - /* printk(KERN_DEBUG "dn_destroy_timer: DN\n"); */ - dn_nsp_send_disc(sk, NSP_DISCCONF, NSP_REASON_DC, GFP_ATOMIC); - return 0; - } + case DN_DN: + if (scp->nsp_rxtshift < decnet_dn_count) { + /* printk(KERN_DEBUG "dn_destroy_timer: DN\n"); */ + dn_nsp_send_disc(sk, NSP_DISCCONF, NSP_REASON_DC, + GFP_ATOMIC); + return 0; + } } scp->persist = (HZ * decnet_time_wait); @@ -623,42 +624,42 @@ static void dn_destroy_sock(struct sock *sk) sk->sk_state = TCP_CLOSE; - switch(scp->state) { - case DN_DN: - dn_nsp_send_disc(sk, NSP_DISCCONF, NSP_REASON_DC, - sk->sk_allocation); - scp->persist_fxn = dn_destroy_timer; - scp->persist = dn_nsp_persist(sk); - break; - case DN_CR: - scp->state = DN_DR; - goto disc_reject; - case DN_RUN: - scp->state = DN_DI; - case DN_DI: - case DN_DR: + switch (scp->state) { + case DN_DN: + dn_nsp_send_disc(sk, NSP_DISCCONF, NSP_REASON_DC, + sk->sk_allocation); + scp->persist_fxn = dn_destroy_timer; + scp->persist = dn_nsp_persist(sk); + break; + case DN_CR: + scp->state = DN_DR; + goto disc_reject; + case DN_RUN: + scp->state = DN_DI; + case DN_DI: + case DN_DR: disc_reject: - dn_nsp_send_disc(sk, NSP_DISCINIT, 0, sk->sk_allocation); - case DN_NC: - case DN_NR: - case DN_RJ: - case DN_DIC: - case DN_CN: - case DN_DRC: - case DN_CI: - case DN_CD: - scp->persist_fxn = dn_destroy_timer; - scp->persist = dn_nsp_persist(sk); - break; - default: - printk(KERN_DEBUG "DECnet: dn_destroy_sock passed socket in invalid state\n"); - case DN_O: - dn_stop_slow_timer(sk); + dn_nsp_send_disc(sk, NSP_DISCINIT, 0, sk->sk_allocation); + case DN_NC: + case DN_NR: + case DN_RJ: + case DN_DIC: + case DN_CN: + case DN_DRC: + case DN_CI: + case DN_CD: + scp->persist_fxn = dn_destroy_timer; + scp->persist = dn_nsp_persist(sk); + break; + default: + printk(KERN_DEBUG "DECnet: dn_destroy_sock passed socket in invalid state\n"); + case DN_O: + dn_stop_slow_timer(sk); - dn_unhash_sock_bh(sk); - sock_put(sk); + dn_unhash_sock_bh(sk); + sock_put(sk); - break; + break; } } @@ -683,15 +684,15 @@ static int dn_create(struct net *net, struct socket *sock, int protocol, if (!net_eq(net, &init_net)) return -EAFNOSUPPORT; - switch(sock->type) { - case SOCK_SEQPACKET: - if (protocol != DNPROTO_NSP) - return -EPROTONOSUPPORT; - break; - case SOCK_STREAM: - break; - default: - return -ESOCKTNOSUPPORT; + switch (sock->type) { + case SOCK_SEQPACKET: + if (protocol != DNPROTO_NSP) + return -EPROTONOSUPPORT; + break; + case SOCK_STREAM: + break; + default: + return -ESOCKTNOSUPPORT; } @@ -987,16 +988,16 @@ static inline int dn_check_state(struct sock *sk, struct sockaddr_dn *addr, int { struct dn_scp *scp = DN_SK(sk); - switch(scp->state) { - case DN_RUN: - return 0; - case DN_CR: - return dn_confirm_accept(sk, timeo, sk->sk_allocation); - case DN_CI: - case DN_CC: - return dn_wait_run(sk, timeo); - case DN_O: - return __dn_connect(sk, addr, addrlen, timeo, flags); + switch (scp->state) { + case DN_RUN: + return 0; + case DN_CR: + return dn_confirm_accept(sk, timeo, sk->sk_allocation); + case DN_CI: + case DN_CC: + return dn_wait_run(sk, timeo); + case DN_O: + return __dn_connect(sk, addr, addrlen, timeo, flags); } return -EINVAL; @@ -1363,141 +1364,140 @@ static int __dn_setsockopt(struct socket *sock, int level,int optname, char __us if (copy_from_user(&u, optval, optlen)) return -EFAULT; - switch(optname) { - case DSO_CONDATA: - if (sock->state == SS_CONNECTED) - return -EISCONN; - if ((scp->state != DN_O) && (scp->state != DN_CR)) - return -EINVAL; + switch (optname) { + case DSO_CONDATA: + if (sock->state == SS_CONNECTED) + return -EISCONN; + if ((scp->state != DN_O) && (scp->state != DN_CR)) + return -EINVAL; - if (optlen != sizeof(struct optdata_dn)) - return -EINVAL; + if (optlen != sizeof(struct optdata_dn)) + return -EINVAL; - if (le16_to_cpu(u.opt.opt_optl) > 16) - return -EINVAL; + if (le16_to_cpu(u.opt.opt_optl) > 16) + return -EINVAL; - memcpy(&scp->conndata_out, &u.opt, optlen); - break; - - case DSO_DISDATA: - if (sock->state != SS_CONNECTED && scp->accept_mode == ACC_IMMED) - return -ENOTCONN; - - if (optlen != sizeof(struct optdata_dn)) - return -EINVAL; + memcpy(&scp->conndata_out, &u.opt, optlen); + break; - if (le16_to_cpu(u.opt.opt_optl) > 16) - return -EINVAL; + case DSO_DISDATA: + if (sock->state != SS_CONNECTED && + scp->accept_mode == ACC_IMMED) + return -ENOTCONN; - memcpy(&scp->discdata_out, &u.opt, optlen); - break; + if (optlen != sizeof(struct optdata_dn)) + return -EINVAL; - case DSO_CONACCESS: - if (sock->state == SS_CONNECTED) - return -EISCONN; - if (scp->state != DN_O) - return -EINVAL; + if (le16_to_cpu(u.opt.opt_optl) > 16) + return -EINVAL; - if (optlen != sizeof(struct accessdata_dn)) - return -EINVAL; + memcpy(&scp->discdata_out, &u.opt, optlen); + break; - if ((u.acc.acc_accl > DN_MAXACCL) || - (u.acc.acc_passl > DN_MAXACCL) || - (u.acc.acc_userl > DN_MAXACCL)) - return -EINVAL; + case DSO_CONACCESS: + if (sock->state == SS_CONNECTED) + return -EISCONN; + if (scp->state != DN_O) + return -EINVAL; - memcpy(&scp->accessdata, &u.acc, optlen); - break; + if (optlen != sizeof(struct accessdata_dn)) + return -EINVAL; - case DSO_ACCEPTMODE: - if (sock->state == SS_CONNECTED) - return -EISCONN; - if (scp->state != DN_O) - return -EINVAL; + if ((u.acc.acc_accl > DN_MAXACCL) || + (u.acc.acc_passl > DN_MAXACCL) || + (u.acc.acc_userl > DN_MAXACCL)) + return -EINVAL; - if (optlen != sizeof(int)) - return -EINVAL; + memcpy(&scp->accessdata, &u.acc, optlen); + break; - if ((u.mode != ACC_IMMED) && (u.mode != ACC_DEFER)) - return -EINVAL; + case DSO_ACCEPTMODE: + if (sock->state == SS_CONNECTED) + return -EISCONN; + if (scp->state != DN_O) + return -EINVAL; - scp->accept_mode = (unsigned char)u.mode; - break; + if (optlen != sizeof(int)) + return -EINVAL; - case DSO_CONACCEPT: + if ((u.mode != ACC_IMMED) && (u.mode != ACC_DEFER)) + return -EINVAL; - if (scp->state != DN_CR) - return -EINVAL; - timeo = sock_rcvtimeo(sk, 0); - err = dn_confirm_accept(sk, &timeo, sk->sk_allocation); - return err; + scp->accept_mode = (unsigned char)u.mode; + break; - case DSO_CONREJECT: + case DSO_CONACCEPT: + if (scp->state != DN_CR) + return -EINVAL; + timeo = sock_rcvtimeo(sk, 0); + err = dn_confirm_accept(sk, &timeo, sk->sk_allocation); + return err; - if (scp->state != DN_CR) - return -EINVAL; + case DSO_CONREJECT: + if (scp->state != DN_CR) + return -EINVAL; - scp->state = DN_DR; - sk->sk_shutdown = SHUTDOWN_MASK; - dn_nsp_send_disc(sk, 0x38, 0, sk->sk_allocation); - break; + scp->state = DN_DR; + sk->sk_shutdown = SHUTDOWN_MASK; + dn_nsp_send_disc(sk, 0x38, 0, sk->sk_allocation); + break; - default: + default: #ifdef CONFIG_NETFILTER return nf_setsockopt(sk, PF_DECnet, optname, optval, optlen); #endif - case DSO_LINKINFO: - case DSO_STREAM: - case DSO_SEQPACKET: - return -ENOPROTOOPT; - - case DSO_MAXWINDOW: - if (optlen != sizeof(unsigned long)) - return -EINVAL; - if (u.win > NSP_MAX_WINDOW) - u.win = NSP_MAX_WINDOW; - if (u.win == 0) - return -EINVAL; - scp->max_window = u.win; - if (scp->snd_window > u.win) - scp->snd_window = u.win; - break; + case DSO_LINKINFO: + case DSO_STREAM: + case DSO_SEQPACKET: + return -ENOPROTOOPT; + + case DSO_MAXWINDOW: + if (optlen != sizeof(unsigned long)) + return -EINVAL; + if (u.win > NSP_MAX_WINDOW) + u.win = NSP_MAX_WINDOW; + if (u.win == 0) + return -EINVAL; + scp->max_window = u.win; + if (scp->snd_window > u.win) + scp->snd_window = u.win; + break; - case DSO_NODELAY: - if (optlen != sizeof(int)) - return -EINVAL; - if (scp->nonagle == 2) - return -EINVAL; - scp->nonagle = (u.val == 0) ? 0 : 1; - /* if (scp->nonagle == 1) { Push pending frames } */ - break; + case DSO_NODELAY: + if (optlen != sizeof(int)) + return -EINVAL; + if (scp->nonagle == 2) + return -EINVAL; + scp->nonagle = (u.val == 0) ? 0 : 1; + /* if (scp->nonagle == 1) { Push pending frames } */ + break; - case DSO_CORK: - if (optlen != sizeof(int)) - return -EINVAL; - if (scp->nonagle == 1) - return -EINVAL; - scp->nonagle = (u.val == 0) ? 0 : 2; - /* if (scp->nonagle == 0) { Push pending frames } */ - break; + case DSO_CORK: + if (optlen != sizeof(int)) + return -EINVAL; + if (scp->nonagle == 1) + return -EINVAL; + scp->nonagle = (u.val == 0) ? 0 : 2; + /* if (scp->nonagle == 0) { Push pending frames } */ + break; - case DSO_SERVICES: - if (optlen != sizeof(unsigned char)) - return -EINVAL; - if ((u.services & ~NSP_FC_MASK) != 0x01) - return -EINVAL; - if ((u.services & NSP_FC_MASK) == NSP_FC_MASK) - return -EINVAL; - scp->services_loc = u.services; - break; + case DSO_SERVICES: + if (optlen != sizeof(unsigned char)) + return -EINVAL; + if ((u.services & ~NSP_FC_MASK) != 0x01) + return -EINVAL; + if ((u.services & NSP_FC_MASK) == NSP_FC_MASK) + return -EINVAL; + scp->services_loc = u.services; + break; - case DSO_INFO: - if (optlen != sizeof(unsigned char)) - return -EINVAL; - if (u.info & 0xfc) - return -EINVAL; - scp->info_loc = u.info; - break; + case DSO_INFO: + if (optlen != sizeof(unsigned char)) + return -EINVAL; + if (u.info & 0xfc) + return -EINVAL; + scp->info_loc = u.info; + break; } return 0; @@ -1527,107 +1527,106 @@ static int __dn_getsockopt(struct socket *sock, int level,int optname, char __us if(get_user(r_len , optlen)) return -EFAULT; - switch(optname) { - case DSO_CONDATA: - if (r_len > sizeof(struct optdata_dn)) - r_len = sizeof(struct optdata_dn); - r_data = &scp->conndata_in; - break; - - case DSO_DISDATA: - if (r_len > sizeof(struct optdata_dn)) - r_len = sizeof(struct optdata_dn); - r_data = &scp->discdata_in; - break; + switch (optname) { + case DSO_CONDATA: + if (r_len > sizeof(struct optdata_dn)) + r_len = sizeof(struct optdata_dn); + r_data = &scp->conndata_in; + break; - case DSO_CONACCESS: - if (r_len > sizeof(struct accessdata_dn)) - r_len = sizeof(struct accessdata_dn); - r_data = &scp->accessdata; - break; + case DSO_DISDATA: + if (r_len > sizeof(struct optdata_dn)) + r_len = sizeof(struct optdata_dn); + r_data = &scp->discdata_in; + break; - case DSO_ACCEPTMODE: - if (r_len > sizeof(unsigned char)) - r_len = sizeof(unsigned char); - r_data = &scp->accept_mode; - break; + case DSO_CONACCESS: + if (r_len > sizeof(struct accessdata_dn)) + r_len = sizeof(struct accessdata_dn); + r_data = &scp->accessdata; + break; - case DSO_LINKINFO: - if (r_len > sizeof(struct linkinfo_dn)) - r_len = sizeof(struct linkinfo_dn); + case DSO_ACCEPTMODE: + if (r_len > sizeof(unsigned char)) + r_len = sizeof(unsigned char); + r_data = &scp->accept_mode; + break; - memset(&link, 0, sizeof(link)); + case DSO_LINKINFO: + if (r_len > sizeof(struct linkinfo_dn)) + r_len = sizeof(struct linkinfo_dn); - switch(sock->state) { - case SS_CONNECTING: - link.idn_linkstate = LL_CONNECTING; - break; - case SS_DISCONNECTING: - link.idn_linkstate = LL_DISCONNECTING; - break; - case SS_CONNECTED: - link.idn_linkstate = LL_RUNNING; - break; - default: - link.idn_linkstate = LL_INACTIVE; - } + memset(&link, 0, sizeof(link)); - link.idn_segsize = scp->segsize_rem; - r_data = &link; + switch (sock->state) { + case SS_CONNECTING: + link.idn_linkstate = LL_CONNECTING; + break; + case SS_DISCONNECTING: + link.idn_linkstate = LL_DISCONNECTING; + break; + case SS_CONNECTED: + link.idn_linkstate = LL_RUNNING; break; - default: + link.idn_linkstate = LL_INACTIVE; + } + + link.idn_segsize = scp->segsize_rem; + r_data = &link; + break; + + default: #ifdef CONFIG_NETFILTER - { - int ret, len; + { + int ret, len; - if(get_user(len, optlen)) - return -EFAULT; + if (get_user(len, optlen)) + return -EFAULT; - ret = nf_getsockopt(sk, PF_DECnet, optname, - optval, &len); - if (ret >= 0) - ret = put_user(len, optlen); - return ret; - } + ret = nf_getsockopt(sk, PF_DECnet, optname, optval, &len); + if (ret >= 0) + ret = put_user(len, optlen); + return ret; + } #endif - case DSO_STREAM: - case DSO_SEQPACKET: - case DSO_CONACCEPT: - case DSO_CONREJECT: - return -ENOPROTOOPT; - - case DSO_MAXWINDOW: - if (r_len > sizeof(unsigned long)) - r_len = sizeof(unsigned long); - r_data = &scp->max_window; - break; + case DSO_STREAM: + case DSO_SEQPACKET: + case DSO_CONACCEPT: + case DSO_CONREJECT: + return -ENOPROTOOPT; + + case DSO_MAXWINDOW: + if (r_len > sizeof(unsigned long)) + r_len = sizeof(unsigned long); + r_data = &scp->max_window; + break; - case DSO_NODELAY: - if (r_len > sizeof(int)) - r_len = sizeof(int); - val = (scp->nonagle == 1); - r_data = &val; - break; + case DSO_NODELAY: + if (r_len > sizeof(int)) + r_len = sizeof(int); + val = (scp->nonagle == 1); + r_data = &val; + break; - case DSO_CORK: - if (r_len > sizeof(int)) - r_len = sizeof(int); - val = (scp->nonagle == 2); - r_data = &val; - break; + case DSO_CORK: + if (r_len > sizeof(int)) + r_len = sizeof(int); + val = (scp->nonagle == 2); + r_data = &val; + break; - case DSO_SERVICES: - if (r_len > sizeof(unsigned char)) - r_len = sizeof(unsigned char); - r_data = &scp->services_rem; - break; + case DSO_SERVICES: + if (r_len > sizeof(unsigned char)) + r_len = sizeof(unsigned char); + r_data = &scp->services_rem; + break; - case DSO_INFO: - if (r_len > sizeof(unsigned char)) - r_len = sizeof(unsigned char); - r_data = &scp->info_rem; - break; + case DSO_INFO: + if (r_len > sizeof(unsigned char)) + r_len = sizeof(unsigned char); + r_data = &scp->info_rem; + break; } if (r_data) { @@ -2088,15 +2087,15 @@ static int dn_device_event(struct notifier_block *this, unsigned long event, if (!net_eq(dev_net(dev), &init_net)) return NOTIFY_DONE; - switch(event) { - case NETDEV_UP: - dn_dev_up(dev); - break; - case NETDEV_DOWN: - dn_dev_down(dev); - break; - default: - break; + switch (event) { + case NETDEV_UP: + dn_dev_up(dev); + break; + case NETDEV_DOWN: + dn_dev_down(dev); + break; + default: + break; } return NOTIFY_DONE; @@ -2209,54 +2208,54 @@ static void dn_printable_object(struct sockaddr_dn *dn, unsigned char *buf) int i; switch (le16_to_cpu(dn->sdn_objnamel)) { - case 0: - sprintf(buf, "%d", dn->sdn_objnum); - break; - default: - for (i = 0; i < le16_to_cpu(dn->sdn_objnamel); i++) { - buf[i] = dn->sdn_objname[i]; - if (IS_NOT_PRINTABLE(buf[i])) - buf[i] = '.'; - } - buf[i] = 0; + case 0: + sprintf(buf, "%d", dn->sdn_objnum); + break; + default: + for (i = 0; i < le16_to_cpu(dn->sdn_objnamel); i++) { + buf[i] = dn->sdn_objname[i]; + if (IS_NOT_PRINTABLE(buf[i])) + buf[i] = '.'; + } + buf[i] = 0; } } static char *dn_state2asc(unsigned char state) { - switch(state) { - case DN_O: - return "OPEN"; - case DN_CR: - return " CR"; - case DN_DR: - return " DR"; - case DN_DRC: - return " DRC"; - case DN_CC: - return " CC"; - case DN_CI: - return " CI"; - case DN_NR: - return " NR"; - case DN_NC: - return " NC"; - case DN_CD: - return " CD"; - case DN_RJ: - return " RJ"; - case DN_RUN: - return " RUN"; - case DN_DI: - return " DI"; - case DN_DIC: - return " DIC"; - case DN_DN: - return " DN"; - case DN_CL: - return " CL"; - case DN_CN: - return " CN"; + switch (state) { + case DN_O: + return "OPEN"; + case DN_CR: + return " CR"; + case DN_DR: + return " DR"; + case DN_DRC: + return " DRC"; + case DN_CC: + return " CC"; + case DN_CI: + return " CI"; + case DN_NR: + return " NR"; + case DN_NC: + return " NC"; + case DN_CD: + return " CD"; + case DN_RJ: + return " RJ"; + case DN_RUN: + return " RUN"; + case DN_DI: + return " DI"; + case DN_DIC: + return " DIC"; + case DN_DN: + return " DN"; + case DN_CL: + return " CL"; + case DN_CN: + return " CN"; } return "????"; |