diff options
Diffstat (limited to 'lib/if.c')
| -rw-r--r-- | lib/if.c | 1451 |
1 files changed, 703 insertions, 748 deletions
@@ -1,10 +1,10 @@ -/* +/* * Interface functions. * Copyright (C) 1997, 98 Kunihiro Ishiguro * * This file is part of GNU Zebra. - * + * * GNU Zebra is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published * by the Free Software Foundation; either version 2, or (at your @@ -36,11 +36,11 @@ #include "buffer.h" #include "log.h" -DEFINE_MTYPE( LIB, IF, "Interface") -DEFINE_MTYPE_STATIC(LIB, CONNECTED, "Connected") -DEFINE_MTYPE_STATIC(LIB, NBR_CONNECTED, "Neighbor Connected") -DEFINE_MTYPE( LIB, CONNECTED_LABEL, "Connected interface label") -DEFINE_MTYPE_STATIC(LIB, IF_LINK_PARAMS, "Informational Link Parameters") +DEFINE_MTYPE(LIB, IF, "Interface") +DEFINE_MTYPE_STATIC(LIB, CONNECTED, "Connected") +DEFINE_MTYPE_STATIC(LIB, NBR_CONNECTED, "Neighbor Connected") +DEFINE_MTYPE(LIB, CONNECTED_LABEL, "Connected interface label") +DEFINE_MTYPE_STATIC(LIB, IF_LINK_PARAMS, "Informational Link Parameters") DEFINE_QOBJ_TYPE(interface) @@ -48,11 +48,12 @@ DEFINE_QOBJ_TYPE(interface) int ptm_enable = 0; /* One for each program. This structure is needed to store hooks. */ -struct if_master -{ - int (*if_new_hook) (struct interface *); - int (*if_delete_hook) (struct interface *); -} if_master = {0,}; +struct if_master { + int (*if_new_hook)(struct interface *); + int (*if_delete_hook)(struct interface *); +} if_master = { + 0, +}; /* Compare interface names, returning an integer greater than, equal to, or * less than 0, (following the strcmp convention), according to the @@ -61,548 +62,521 @@ struct if_master * lexicographic by name, and then numeric by number. No number sorts * before all numbers. Examples: de0 < de1, de100 < fxp0 < xl0, devpty < * devpty0, de0 < del0 - */ -int -if_cmp_name_func (char *p1, char *p2) + */ +int if_cmp_name_func(char *p1, char *p2) { - unsigned int l1, l2; - long int x1, x2; - int res; - - while (*p1 && *p2) { - /* look up to any number */ - l1 = strcspn(p1, "0123456789"); - l2 = strcspn(p2, "0123456789"); - - /* name lengths are different -> compare names */ - if (l1 != l2) - return (strcmp(p1, p2)); - - /* Note that this relies on all numbers being less than all letters, so - * that de0 < del0. - */ - res = strncmp(p1, p2, l1); - - /* names are different -> compare them */ - if (res) - return res; - - /* with identical name part, go to numeric part */ - p1 += l1; - p2 += l1; - - if (!*p1) - return -1; - if (!*p2) - return 1; - - x1 = strtol(p1, &p1, 10); - x2 = strtol(p2, &p2, 10); - - /* let's compare numbers now */ - if (x1 < x2) - return -1; - if (x1 > x2) - return 1; - - /* numbers were equal, lets do it again.. - (it happens with name like "eth123.456:789") */ - } - if (*p1) - return 1; - if (*p2) - return -1; - return 0; + unsigned int l1, l2; + long int x1, x2; + int res; + + while (*p1 && *p2) { + /* look up to any number */ + l1 = strcspn(p1, "0123456789"); + l2 = strcspn(p2, "0123456789"); + + /* name lengths are different -> compare names */ + if (l1 != l2) + return (strcmp(p1, p2)); + + /* Note that this relies on all numbers being less than all + * letters, so + * that de0 < del0. + */ + res = strncmp(p1, p2, l1); + + /* names are different -> compare them */ + if (res) + return res; + + /* with identical name part, go to numeric part */ + p1 += l1; + p2 += l1; + + if (!*p1) + return -1; + if (!*p2) + return 1; + + x1 = strtol(p1, &p1, 10); + x2 = strtol(p2, &p2, 10); + + /* let's compare numbers now */ + if (x1 < x2) + return -1; + if (x1 > x2) + return 1; + + /* numbers were equal, lets do it again.. + (it happens with name like "eth123.456:789") */ + } + if (*p1) + return 1; + if (*p2) + return -1; + return 0; } -static int -if_cmp_func (struct interface *ifp1, struct interface *ifp2) +static int if_cmp_func(struct interface *ifp1, struct interface *ifp2) { - return if_cmp_name_func (ifp1->name, ifp2->name); + return if_cmp_name_func(ifp1->name, ifp2->name); } /* Create new interface structure. */ -struct interface * -if_create (const char *name, int namelen, vrf_id_t vrf_id) +struct interface *if_create(const char *name, int namelen, vrf_id_t vrf_id) { - struct interface *ifp; - struct list *intf_list = vrf_iflist_get (vrf_id); - - ifp = XCALLOC (MTYPE_IF, sizeof (struct interface)); - ifp->ifindex = IFINDEX_INTERNAL; - - assert (name); - assert (namelen <= INTERFACE_NAMSIZ); /* Need space for '\0' at end. */ - strncpy (ifp->name, name, namelen); - ifp->name[namelen] = '\0'; - ifp->vrf_id = vrf_id; - if (if_lookup_by_name (ifp->name, vrf_id) == NULL) - listnode_add_sort (intf_list, ifp); - else - zlog_err("if_create(%s): corruption detected -- interface with this " - "name exists already in VRF %u!", ifp->name, vrf_id); - ifp->connected = list_new (); - ifp->connected->del = (void (*) (void *)) connected_free; + struct interface *ifp; + struct list *intf_list = vrf_iflist_get(vrf_id); + + ifp = XCALLOC(MTYPE_IF, sizeof(struct interface)); + ifp->ifindex = IFINDEX_INTERNAL; + + assert(name); + assert(namelen <= INTERFACE_NAMSIZ); /* Need space for '\0' at end. */ + strncpy(ifp->name, name, namelen); + ifp->name[namelen] = '\0'; + ifp->vrf_id = vrf_id; + if (if_lookup_by_name(ifp->name, vrf_id) == NULL) + listnode_add_sort(intf_list, ifp); + else + zlog_err( + "if_create(%s): corruption detected -- interface with this " + "name exists already in VRF %u!", + ifp->name, vrf_id); + ifp->connected = list_new(); + ifp->connected->del = (void (*)(void *))connected_free; + + ifp->nbr_connected = list_new(); + ifp->nbr_connected->del = (void (*)(void *))nbr_connected_free; + + /* Enable Link-detection by default */ + SET_FLAG(ifp->status, ZEBRA_INTERFACE_LINKDETECTION); + + QOBJ_REG(ifp, interface); + + if (if_master.if_new_hook) + (*if_master.if_new_hook)(ifp); - ifp->nbr_connected = list_new (); - ifp->nbr_connected->del = (void (*) (void *)) nbr_connected_free; - - /* Enable Link-detection by default */ - SET_FLAG(ifp->status, ZEBRA_INTERFACE_LINKDETECTION); - - QOBJ_REG (ifp, interface); - - if (if_master.if_new_hook) - (*if_master.if_new_hook) (ifp); - - return ifp; + return ifp; } /* Create new interface structure. */ -void -if_update (struct interface *ifp, const char *name, int namelen, vrf_id_t vrf_id) +void if_update(struct interface *ifp, const char *name, int namelen, + vrf_id_t vrf_id) { - struct list *intf_list = vrf_iflist_get (vrf_id); - - /* remove interface from old master vrf list */ - if (vrf_iflist (ifp->vrf_id)) - listnode_delete (vrf_iflist (ifp->vrf_id), ifp); - - assert (name); - assert (namelen <= INTERFACE_NAMSIZ); /* Need space for '\0' at end. */ - strncpy (ifp->name, name, namelen); - ifp->name[namelen] = '\0'; - ifp->vrf_id = vrf_id; - if (if_lookup_by_name (ifp->name, vrf_id) == NULL) - listnode_add_sort (intf_list, ifp); - else - zlog_err("if_create(%s): corruption detected -- interface with this " - "name exists already in VRF %u!", ifp->name, vrf_id); - - return; + struct list *intf_list = vrf_iflist_get(vrf_id); + + /* remove interface from old master vrf list */ + if (vrf_iflist(ifp->vrf_id)) + listnode_delete(vrf_iflist(ifp->vrf_id), ifp); + + assert(name); + assert(namelen <= INTERFACE_NAMSIZ); /* Need space for '\0' at end. */ + strncpy(ifp->name, name, namelen); + ifp->name[namelen] = '\0'; + ifp->vrf_id = vrf_id; + if (if_lookup_by_name(ifp->name, vrf_id) == NULL) + listnode_add_sort(intf_list, ifp); + else + zlog_err( + "if_create(%s): corruption detected -- interface with this " + "name exists already in VRF %u!", + ifp->name, vrf_id); + + return; } /* Delete interface structure. */ -void -if_delete_retain (struct interface *ifp) +void if_delete_retain(struct interface *ifp) { - if (if_master.if_delete_hook) - (*if_master.if_delete_hook) (ifp); + if (if_master.if_delete_hook) + (*if_master.if_delete_hook)(ifp); - QOBJ_UNREG (ifp); + QOBJ_UNREG(ifp); - /* Free connected address list */ - list_delete_all_node (ifp->connected); + /* Free connected address list */ + list_delete_all_node(ifp->connected); - /* Free connected nbr address list */ - list_delete_all_node (ifp->nbr_connected); + /* Free connected nbr address list */ + list_delete_all_node(ifp->nbr_connected); } /* Delete and free interface structure. */ -void -if_delete (struct interface *ifp) +void if_delete(struct interface *ifp) { - listnode_delete (vrf_iflist (ifp->vrf_id), ifp); + listnode_delete(vrf_iflist(ifp->vrf_id), ifp); - if_delete_retain(ifp); + if_delete_retain(ifp); - list_free (ifp->connected); - list_free (ifp->nbr_connected); + list_free(ifp->connected); + list_free(ifp->nbr_connected); - if_link_params_free (ifp); + if_link_params_free(ifp); - XFREE (MTYPE_IF, ifp); + XFREE(MTYPE_IF, ifp); } /* Add hook to interface master. */ -void -if_add_hook (int type, int (*func)(struct interface *ifp)) +void if_add_hook(int type, int (*func)(struct interface *ifp)) { - switch (type) { - case IF_NEW_HOOK: - if_master.if_new_hook = func; - break; - case IF_DELETE_HOOK: - if_master.if_delete_hook = func; - break; - default: - break; - } + switch (type) { + case IF_NEW_HOOK: + if_master.if_new_hook = func; + break; + case IF_DELETE_HOOK: + if_master.if_delete_hook = func; + break; + default: + break; + } } /* Interface existance check by index. */ -struct interface * -if_lookup_by_index (ifindex_t ifindex, vrf_id_t vrf_id) +struct interface *if_lookup_by_index(ifindex_t ifindex, vrf_id_t vrf_id) { - struct listnode *node; - struct interface *ifp; + struct listnode *node; + struct interface *ifp; - for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf_id), node, ifp)) - { - if (ifp->ifindex == ifindex) - return ifp; - } - return NULL; + for (ALL_LIST_ELEMENTS_RO(vrf_iflist(vrf_id), node, ifp)) { + if (ifp->ifindex == ifindex) + return ifp; + } + return NULL; } -const char * -ifindex2ifname (ifindex_t ifindex, vrf_id_t vrf_id) +const char *ifindex2ifname(ifindex_t ifindex, vrf_id_t vrf_id) { - struct interface *ifp; + struct interface *ifp; - return ((ifp = if_lookup_by_index (ifindex, vrf_id)) != NULL) ? - ifp->name : "unknown"; + return ((ifp = if_lookup_by_index(ifindex, vrf_id)) != NULL) + ? ifp->name + : "unknown"; } -ifindex_t -ifname2ifindex (const char *name, vrf_id_t vrf_id) +ifindex_t ifname2ifindex(const char *name, vrf_id_t vrf_id) { - struct interface *ifp; + struct interface *ifp; - return ((ifp = if_lookup_by_name (name, vrf_id)) != NULL) ? ifp->ifindex - : IFINDEX_INTERNAL; + return ((ifp = if_lookup_by_name(name, vrf_id)) != NULL) + ? ifp->ifindex + : IFINDEX_INTERNAL; } /* Interface existance check by interface name. */ -struct interface * -if_lookup_by_name (const char *name, vrf_id_t vrf_id) +struct interface *if_lookup_by_name(const char *name, vrf_id_t vrf_id) { - struct listnode *node; - struct interface *ifp; - - if (name) - for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf_id), node, ifp)) - { - if (strcmp(name, ifp->name) == 0) - return ifp; - } - return NULL; + struct listnode *node; + struct interface *ifp; + + if (name) + for (ALL_LIST_ELEMENTS_RO(vrf_iflist(vrf_id), node, ifp)) { + if (strcmp(name, ifp->name) == 0) + return ifp; + } + return NULL; } -struct interface * -if_lookup_by_name_all_vrf (const char *name) +struct interface *if_lookup_by_name_all_vrf(const char *name) { - struct vrf *vrf; - struct interface *ifp; + struct vrf *vrf; + struct interface *ifp; - RB_FOREACH (vrf, vrf_id_head, &vrfs_by_id) - { - ifp = if_lookup_by_name (name, vrf->vrf_id); - if (ifp) - return ifp; - } + RB_FOREACH(vrf, vrf_id_head, &vrfs_by_id) + { + ifp = if_lookup_by_name(name, vrf->vrf_id); + if (ifp) + return ifp; + } - return NULL; + return NULL; } -struct interface * -if_lookup_by_name_len (const char *name, size_t namelen, vrf_id_t vrf_id) +struct interface *if_lookup_by_name_len(const char *name, size_t namelen, + vrf_id_t vrf_id) { - struct listnode *node; - struct interface *ifp; + struct listnode *node; + struct interface *ifp; - if (namelen > INTERFACE_NAMSIZ) - return NULL; + if (namelen > INTERFACE_NAMSIZ) + return NULL; - for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf_id), node, ifp)) - { - if (!memcmp(name, ifp->name, namelen) && (ifp->name[namelen] == '\0')) - return ifp; - } - return NULL; + for (ALL_LIST_ELEMENTS_RO(vrf_iflist(vrf_id), node, ifp)) { + if (!memcmp(name, ifp->name, namelen) + && (ifp->name[namelen] == '\0')) + return ifp; + } + return NULL; } /* Lookup interface by IPv4 address. */ -struct interface * -if_lookup_exact_address (void *src, int family, vrf_id_t vrf_id) +struct interface *if_lookup_exact_address(void *src, int family, + vrf_id_t vrf_id) { - struct listnode *node; - struct listnode *cnode; - struct interface *ifp; - struct prefix *p; - struct connected *c; - - for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf_id), node, ifp)) - { - for (ALL_LIST_ELEMENTS_RO (ifp->connected, cnode, c)) - { - p = c->address; - - if (p && (p->family == family)) - { - if (family == AF_INET) - { - if (IPV4_ADDR_SAME (&p->u.prefix4, (struct in_addr *)src)) - return ifp; + struct listnode *node; + struct listnode *cnode; + struct interface *ifp; + struct prefix *p; + struct connected *c; + + for (ALL_LIST_ELEMENTS_RO(vrf_iflist(vrf_id), node, ifp)) { + for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, c)) { + p = c->address; + + if (p && (p->family == family)) { + if (family == AF_INET) { + if (IPV4_ADDR_SAME( + &p->u.prefix4, + (struct in_addr *)src)) + return ifp; + } else if (family == AF_INET6) { + if (IPV6_ADDR_SAME( + &p->u.prefix6, + (struct in6_addr *)src)) + return ifp; + } + } } - else if (family == AF_INET6) - { - if (IPV6_ADDR_SAME (&p->u.prefix6, (struct in6_addr *)src)) - return ifp; - } - } } - } - return NULL; + return NULL; } /* Lookup interface by IPv4 address. */ -struct connected * -if_lookup_address (void *matchaddr, int family, vrf_id_t vrf_id) +struct connected *if_lookup_address(void *matchaddr, int family, + vrf_id_t vrf_id) { - struct listnode *node; - struct prefix addr; - int bestlen = 0; - struct listnode *cnode; - struct interface *ifp; - struct connected *c; - struct connected *match; - - if (family == AF_INET) - { - addr.family = AF_INET; - addr.u.prefix4 = *((struct in_addr *)matchaddr); - addr.prefixlen = IPV4_MAX_BITLEN; - } - else if (family == AF_INET6) - { - addr.family = AF_INET6; - addr.u.prefix6 = *((struct in6_addr *)matchaddr); - addr.prefixlen = IPV6_MAX_BITLEN; - } + struct listnode *node; + struct prefix addr; + int bestlen = 0; + struct listnode *cnode; + struct interface *ifp; + struct connected *c; + struct connected *match; + + if (family == AF_INET) { + addr.family = AF_INET; + addr.u.prefix4 = *((struct in_addr *)matchaddr); + addr.prefixlen = IPV4_MAX_BITLEN; + } else if (family == AF_INET6) { + addr.family = AF_INET6; + addr.u.prefix6 = *((struct in6_addr *)matchaddr); + addr.prefixlen = IPV6_MAX_BITLEN; + } - match = NULL; + match = NULL; - for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf_id), node, ifp)) - { - for (ALL_LIST_ELEMENTS_RO (ifp->connected, cnode, c)) - { - if (c->address && (c->address->family == AF_INET) && - prefix_match(CONNECTED_PREFIX(c), &addr) && - (c->address->prefixlen > bestlen)) - { - bestlen = c->address->prefixlen; - match = c; - } + for (ALL_LIST_ELEMENTS_RO(vrf_iflist(vrf_id), node, ifp)) { + for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, c)) { + if (c->address && (c->address->family == AF_INET) + && prefix_match(CONNECTED_PREFIX(c), &addr) + && (c->address->prefixlen > bestlen)) { + bestlen = c->address->prefixlen; + match = c; + } + } } - } - return match; + return match; } /* Lookup interface by prefix */ -struct interface * -if_lookup_prefix (struct prefix *prefix, vrf_id_t vrf_id) +struct interface *if_lookup_prefix(struct prefix *prefix, vrf_id_t vrf_id) { - struct listnode *node; - struct listnode *cnode; - struct interface *ifp; - struct connected *c; - - for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf_id), node, ifp)) - { - for (ALL_LIST_ELEMENTS_RO (ifp->connected, cnode, c)) - { - if (prefix_cmp(c->address, prefix) == 0) - { - return ifp; - } - } - } - return NULL; + struct listnode *node; + struct listnode *cnode; + struct interface *ifp; + struct connected *c; + + for (ALL_LIST_ELEMENTS_RO(vrf_iflist(vrf_id), node, ifp)) { + for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, c)) { + if (prefix_cmp(c->address, prefix) == 0) { + return ifp; + } + } + } + return NULL; } /* Get interface by name if given name interface doesn't exist create one. */ -struct interface * -if_get_by_name (const char *name, vrf_id_t vrf_id) +struct interface *if_get_by_name(const char *name, vrf_id_t vrf_id) { - struct interface *ifp; + struct interface *ifp; - return ((ifp = if_lookup_by_name (name, vrf_id)) != NULL) ? ifp : - if_create (name, strlen(name), vrf_id); + return ((ifp = if_lookup_by_name(name, vrf_id)) != NULL) + ? ifp + : if_create(name, strlen(name), vrf_id); } -struct interface * -if_get_by_name_len (const char *name, size_t namelen, vrf_id_t vrf_id, int vty) +struct interface *if_get_by_name_len(const char *name, size_t namelen, + vrf_id_t vrf_id, int vty) { - struct interface *ifp; - struct vrf *vrf; - struct listnode *node; + struct interface *ifp; + struct vrf *vrf; + struct listnode *node; - ifp = if_lookup_by_name_len (name, namelen, vrf_id); - if (ifp) - return ifp; + ifp = if_lookup_by_name_len(name, namelen, vrf_id); + if (ifp) + return ifp; - /* Didn't find the interface on that vrf. Defined on a different one? */ - RB_FOREACH (vrf, vrf_id_head, &vrfs_by_id) - { - for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf->vrf_id), node, ifp)) + /* Didn't find the interface on that vrf. Defined on a different one? */ + RB_FOREACH(vrf, vrf_id_head, &vrfs_by_id) { - if (!memcmp(name, ifp->name, namelen) && (ifp->name[namelen] == '\0')) - { - /* Found a match. If the interface command was entered in vty without a - * VRF (passed as VRF_DEFAULT), accept the ifp we found. If a vrf was - * entered and there is a mismatch, reject it if from vty. If it came - * from the kernel by way of zclient, believe it and update - * the ifp accordingly. - */ - if (vty) - { - if (vrf_id == VRF_DEFAULT) - return ifp; - return NULL; - } - else - { - if_update (ifp, name, namelen, vrf_id); - return ifp; + for (ALL_LIST_ELEMENTS_RO(vrf_iflist(vrf->vrf_id), node, ifp)) { + if (!memcmp(name, ifp->name, namelen) + && (ifp->name[namelen] == '\0')) { + /* Found a match. If the interface command was + * entered in vty without a + * VRF (passed as VRF_DEFAULT), accept the ifp + * we found. If a vrf was + * entered and there is a mismatch, reject it if + * from vty. If it came + * from the kernel by way of zclient, believe + * it and update + * the ifp accordingly. + */ + if (vty) { + if (vrf_id == VRF_DEFAULT) + return ifp; + return NULL; + } else { + if_update(ifp, name, namelen, vrf_id); + return ifp; + } + } } - } } - } - return (if_create (name, namelen, vrf_id)); + return (if_create(name, namelen, vrf_id)); } /* Does interface up ? */ -int -if_is_up (struct interface *ifp) +int if_is_up(struct interface *ifp) { - return ifp->flags & IFF_UP; + return ifp->flags & IFF_UP; } /* Is interface running? */ -int -if_is_running (struct interface *ifp) +int if_is_running(struct interface *ifp) { - return ifp->flags & IFF_RUNNING; + return ifp->flags & IFF_RUNNING; } /* Is the interface operative, eg. either UP & RUNNING or UP & !ZEBRA_INTERFACE_LINK_DETECTION and if ptm checking is enabled, then ptm check has passed */ -int -if_is_operative (struct interface *ifp) +int if_is_operative(struct interface *ifp) { - return ((ifp->flags & IFF_UP) && - (((ifp->flags & IFF_RUNNING) && - (ifp->ptm_status || !ifp->ptm_enable)) || - !CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_LINKDETECTION))); + return ((ifp->flags & IFF_UP) + && (((ifp->flags & IFF_RUNNING) + && (ifp->ptm_status || !ifp->ptm_enable)) + || !CHECK_FLAG(ifp->status, + ZEBRA_INTERFACE_LINKDETECTION))); } /* Is the interface operative, eg. either UP & RUNNING or UP & !ZEBRA_INTERFACE_LINK_DETECTION, without PTM check */ -int -if_is_no_ptm_operative (struct interface *ifp) +int if_is_no_ptm_operative(struct interface *ifp) { - return ((ifp->flags & IFF_UP) && - ((ifp->flags & IFF_RUNNING) || - !CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_LINKDETECTION))); + return ((ifp->flags & IFF_UP) + && ((ifp->flags & IFF_RUNNING) + || !CHECK_FLAG(ifp->status, + ZEBRA_INTERFACE_LINKDETECTION))); } /* Is this loopback interface ? */ -int -if_is_loopback (struct interface *ifp) +int if_is_loopback(struct interface *ifp) { - /* XXX: Do this better, eg what if IFF_WHATEVER means X on platform M - * but Y on platform N? - */ - return (ifp->flags & (IFF_LOOPBACK|IFF_NOXMIT|IFF_VIRTUAL)); + /* XXX: Do this better, eg what if IFF_WHATEVER means X on platform M + * but Y on platform N? + */ + return (ifp->flags & (IFF_LOOPBACK | IFF_NOXMIT | IFF_VIRTUAL)); } /* Does this interface support broadcast ? */ -int -if_is_broadcast (struct interface *ifp) +int if_is_broadcast(struct interface *ifp) { - return ifp->flags & IFF_BROADCAST; + return ifp->flags & IFF_BROADCAST; } /* Does this interface support broadcast ? */ -int -if_is_pointopoint (struct interface *ifp) +int if_is_pointopoint(struct interface *ifp) { - return ifp->flags & IFF_POINTOPOINT; + return ifp->flags & IFF_POINTOPOINT; } /* Does this interface support multicast ? */ -int -if_is_multicast (struct interface *ifp) +int if_is_multicast(struct interface *ifp) { - return ifp->flags & IFF_MULTICAST; + return ifp->flags & IFF_MULTICAST; } /* Printout flag information into log */ -const char * -if_flag_dump (unsigned long flag) +const char *if_flag_dump(unsigned long flag) { - int separator = 0; - static char logbuf[BUFSIZ]; - -#define IFF_OUT_LOG(X,STR) \ - if (flag & (X)) \ - { \ - if (separator) \ - strlcat (logbuf, ",", BUFSIZ); \ - else \ - separator = 1; \ - strlcat (logbuf, STR, BUFSIZ); \ - } + int separator = 0; + static char logbuf[BUFSIZ]; + +#define IFF_OUT_LOG(X, STR) \ + if (flag & (X)) { \ + if (separator) \ + strlcat(logbuf, ",", BUFSIZ); \ + else \ + separator = 1; \ + strlcat(logbuf, STR, BUFSIZ); \ + } - strlcpy (logbuf, "<", BUFSIZ); - IFF_OUT_LOG (IFF_UP, "UP"); - IFF_OUT_LOG (IFF_BROADCAST, "BROADCAST"); - IFF_OUT_LOG (IFF_DEBUG, "DEBUG"); - IFF_OUT_LOG (IFF_LOOPBACK, "LOOPBACK"); - IFF_OUT_LOG (IFF_POINTOPOINT, "POINTOPOINT"); - IFF_OUT_LOG (IFF_NOTRAILERS, "NOTRAILERS"); - IFF_OUT_LOG (IFF_RUNNING, "RUNNING"); - IFF_OUT_LOG (IFF_NOARP, "NOARP"); - IFF_OUT_LOG (IFF_PROMISC, "PROMISC"); - IFF_OUT_LOG (IFF_ALLMULTI, "ALLMULTI"); - IFF_OUT_LOG (IFF_OACTIVE, "OACTIVE"); - IFF_OUT_LOG (IFF_SIMPLEX, "SIMPLEX"); - IFF_OUT_LOG (IFF_LINK0, "LINK0"); - IFF_OUT_LOG (IFF_LINK1, "LINK1"); - IFF_OUT_LOG (IFF_LINK2, "LINK2"); - IFF_OUT_LOG (IFF_MULTICAST, "MULTICAST"); - IFF_OUT_LOG (IFF_NOXMIT, "NOXMIT"); - IFF_OUT_LOG (IFF_NORTEXCH, "NORTEXCH"); - IFF_OUT_LOG (IFF_VIRTUAL, "VIRTUAL"); - IFF_OUT_LOG (IFF_IPV4, "IPv4"); - IFF_OUT_LOG (IFF_IPV6, "IPv6"); - - strlcat (logbuf, ">", BUFSIZ); - - return logbuf; + strlcpy(logbuf, "<", BUFSIZ); + IFF_OUT_LOG(IFF_UP, "UP"); + IFF_OUT_LOG(IFF_BROADCAST, "BROADCAST"); + IFF_OUT_LOG(IFF_DEBUG, "DEBUG"); + IFF_OUT_LOG(IFF_LOOPBACK, "LOOPBACK"); + IFF_OUT_LOG(IFF_POINTOPOINT, "POINTOPOINT"); + IFF_OUT_LOG(IFF_NOTRAILERS, "NOTRAILERS"); + IFF_OUT_LOG(IFF_RUNNING, "RUNNING"); + IFF_OUT_LOG(IFF_NOARP, "NOARP"); + IFF_OUT_LOG(IFF_PROMISC, "PROMISC"); + IFF_OUT_LOG(IFF_ALLMULTI, "ALLMULTI"); + IFF_OUT_LOG(IFF_OACTIVE, "OACTIVE"); + IFF_OUT_LOG(IFF_SIMPLEX, "SIMPLEX"); + IFF_OUT_LOG(IFF_LINK0, "LINK0"); + IFF_OUT_LOG(IFF_LINK1, "LINK1"); + IFF_OUT_LOG(IFF_LINK2, "LINK2"); + IFF_OUT_LOG(IFF_MULTICAST, "MULTICAST"); + IFF_OUT_LOG(IFF_NOXMIT, "NOXMIT"); + IFF_OUT_LOG(IFF_NORTEXCH, "NORTEXCH"); + IFF_OUT_LOG(IFF_VIRTUAL, "VIRTUAL"); + IFF_OUT_LOG(IFF_IPV4, "IPv4"); + IFF_OUT_LOG(IFF_IPV6, "IPv6"); + + strlcat(logbuf, ">", BUFSIZ); + + return logbuf; #undef IFF_OUT_LOG } /* For debugging */ -static void -if_dump (const struct interface *ifp) +static void if_dump(const struct interface *ifp) { - struct listnode *node; - struct connected *c __attribute__((unused)); - - for (ALL_LIST_ELEMENTS_RO (ifp->connected, node, c)) - zlog_info ("Interface %s vrf %u index %d metric %d mtu %d " - "mtu6 %d %s", - ifp->name, ifp->vrf_id, ifp->ifindex, ifp->metric, ifp->mtu, - ifp->mtu6, if_flag_dump (ifp->flags)); + struct listnode *node; + struct connected *c __attribute__((unused)); + + for (ALL_LIST_ELEMENTS_RO(ifp->connected, node, c)) + zlog_info( + "Interface %s vrf %u index %d metric %d mtu %d " + "mtu6 %d %s", + ifp->name, ifp->vrf_id, ifp->ifindex, ifp->metric, + ifp->mtu, ifp->mtu6, if_flag_dump(ifp->flags)); } /* Interface printing for all interface. */ -void -if_dump_all (void) +void if_dump_all(void) { - struct vrf *vrf; - struct listnode *node; - void *p; - - RB_FOREACH (vrf, vrf_id_head, &vrfs_by_id) - if (vrf->iflist != NULL) - for (ALL_LIST_ELEMENTS_RO (vrf->iflist, node, p)) - if_dump (p); + struct vrf *vrf; + struct listnode *node; + void *p; + + RB_FOREACH(vrf, vrf_id_head, &vrfs_by_id) + if (vrf->iflist != NULL) + for (ALL_LIST_ELEMENTS_RO(vrf->iflist, node, p)) + if_dump(p); } DEFUN (interface_desc, @@ -611,14 +585,14 @@ DEFUN (interface_desc, "Interface specific description\n" "Characters describing this interface\n") { - int idx_line = 1; - VTY_DECLVAR_CONTEXT (interface, ifp); + int idx_line = 1; + VTY_DECLVAR_CONTEXT(interface, ifp); - if (ifp->desc) - XFREE (MTYPE_TMP, ifp->desc); - ifp->desc = argv_concat(argv, argc, idx_line); + if (ifp->desc) + XFREE(MTYPE_TMP, ifp->desc); + ifp->desc = argv_concat(argv, argc, idx_line); - return CMD_SUCCESS; + return CMD_SUCCESS; } DEFUN (no_interface_desc, @@ -627,13 +601,13 @@ DEFUN (no_interface_desc, NO_STR "Interface specific description\n") { - VTY_DECLVAR_CONTEXT (interface, ifp); + VTY_DECLVAR_CONTEXT(interface, ifp); - if (ifp->desc) - XFREE (MTYPE_TMP, ifp->desc); - ifp->desc = NULL; + if (ifp->desc) + XFREE(MTYPE_TMP, ifp->desc); + ifp->desc = NULL; - return CMD_SUCCESS; + return CMD_SUCCESS; } #ifdef SUNOS_5 @@ -657,24 +631,24 @@ DEFUN (no_interface_desc, * if not: * - no idea, just get the name in its entirety. */ -static struct interface * -if_sunwzebra_get (const char *name, size_t nlen, vrf_id_t vrf_id) +static struct interface *if_sunwzebra_get(const char *name, size_t nlen, + vrf_id_t vrf_id) { - struct interface *ifp; - size_t seppos = 0; - - if ( (ifp = if_lookup_by_name_len (name, nlen, vrf_id)) != NULL) - return ifp; - - /* hunt the primary interface name... */ - while (seppos < nlen && name[seppos] != ':') - seppos++; - - /* Wont catch seperator as last char, e.g. 'foo0:' but thats invalid */ - if (seppos < nlen) - return if_get_by_name_len (name, seppos, vrf_id, 1); - else - return if_get_by_name_len (name, nlen, vrf_id, 1); + struct interface *ifp; + size_t seppos = 0; + + if ((ifp = if_lookup_by_name_len(name, nlen, vrf_id)) != NULL) + return ifp; + + /* hunt the primary interface name... */ + while (seppos < nlen && name[seppos] != ':') + seppos++; + + /* Wont catch seperator as last char, e.g. 'foo0:' but thats invalid */ + if (seppos < nlen) + return if_get_by_name_len(name, seppos, vrf_id, 1); + else + return if_get_by_name_len(name, nlen, vrf_id, 1); } #endif /* SUNOS_5 */ @@ -685,42 +659,42 @@ DEFUN (interface, "Interface's name\n" VRF_CMD_HELP_STR) { - int idx_ifname = 1; - int idx_vrf = 3; - const char *ifname = argv[idx_ifname]->arg; - const char *vrfname = (argc > 2) ? argv[idx_vrf]->arg : NULL; - - struct interface *ifp; - size_t sl; - vrf_id_t vrf_id = VRF_DEFAULT; - - if ((sl = strlen(ifname)) > INTERFACE_NAMSIZ) - { - vty_out (vty, "%% Interface name %s is invalid: length exceeds " - "%d characters%s", - ifname, INTERFACE_NAMSIZ, VTY_NEWLINE); - return CMD_WARNING; - } + int idx_ifname = 1; + int idx_vrf = 3; + const char *ifname = argv[idx_ifname]->arg; + const char *vrfname = (argc > 2) ? argv[idx_vrf]->arg : NULL; + + struct interface *ifp; + size_t sl; + vrf_id_t vrf_id = VRF_DEFAULT; + + if ((sl = strlen(ifname)) > INTERFACE_NAMSIZ) { + vty_out(vty, + "%% Interface name %s is invalid: length exceeds " + "%d characters%s", + ifname, INTERFACE_NAMSIZ, VTY_NEWLINE); + return CMD_WARNING; + } -/*Pending: need proper vrf name based lookup/(possible creation of VRF) - Imagine forward reference of a vrf by name in this interface config */ - if (vrfname) - VRF_GET_ID (vrf_id, vrfname); + /*Pending: need proper vrf name based lookup/(possible creation of VRF) + Imagine forward reference of a vrf by name in this interface config */ + if (vrfname) + VRF_GET_ID(vrf_id, vrfname); #ifdef SUNOS_5 - ifp = if_sunwzebra_get (ifname, sl, vrf_id); + ifp = if_sunwzebra_get(ifname, sl, vrf_id); #else - ifp = if_get_by_name_len (ifname, sl, vrf_id, 1); + ifp = if_get_by_name_len(ifname, sl, vrf_id, 1); #endif /* SUNOS_5 */ - if (!ifp) - { - vty_out (vty, "%% interface %s not in %s%s", ifname, vrfname, VTY_NEWLINE); - return CMD_WARNING; - } - VTY_PUSH_CONTEXT (INTERFACE_NODE, ifp); + if (!ifp) { + vty_out(vty, "%% interface %s not in %s%s", ifname, vrfname, + VTY_NEWLINE); + return CMD_WARNING; + } + VTY_PUSH_CONTEXT(INTERFACE_NODE, ifp); - return CMD_SUCCESS; + return CMD_SUCCESS; } DEFUN_NOSH (no_interface, @@ -731,45 +705,43 @@ DEFUN_NOSH (no_interface, "Interface's name\n" VRF_CMD_HELP_STR) { - const char *ifname = argv[2]->arg; - const char *vrfname = (argc > 3) ? argv[3]->arg : NULL; + const char *ifname = argv[2]->arg; + const char *vrfname = (argc > 3) ? argv[3]->arg : NULL; - // deleting interface - struct interface *ifp; - vrf_id_t vrf_id = VRF_DEFAULT; + // deleting interface + struct interface *ifp; + vrf_id_t vrf_id = VRF_DEFAULT; - if (argc > 3) - VRF_GET_ID (vrf_id, vrfname); + if (argc > 3) + VRF_GET_ID(vrf_id, vrfname); - ifp = if_lookup_by_name (ifname, vrf_id); + ifp = if_lookup_by_name(ifname, vrf_id); - if (ifp == NULL) - { - vty_out (vty, "%% Interface %s does not exist%s", ifname, VTY_NEWLINE); - return CMD_WARNING; - } + if (ifp == NULL) { + vty_out(vty, "%% Interface %s does not exist%s", ifname, + VTY_NEWLINE); + return CMD_WARNING; + } - if (CHECK_FLAG (ifp->status, ZEBRA_INTERFACE_ACTIVE)) - { - vty_out (vty, "%% Only inactive interfaces can be deleted%s", - VTY_NEWLINE); - return CMD_WARNING; - } + if (CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_ACTIVE)) { + vty_out(vty, "%% Only inactive interfaces can be deleted%s", + VTY_NEWLINE); + return CMD_WARNING; + } - if_delete(ifp); + if_delete(ifp); - return CMD_SUCCESS; + return CMD_SUCCESS; } -void -if_cmd_init (void) +void if_cmd_init(void) { - install_element (CONFIG_NODE, &interface_cmd); - install_element (CONFIG_NODE, &no_interface_cmd); + install_element(CONFIG_NODE, &interface_cmd); + install_element(CONFIG_NODE, &no_interface_cmd); - install_default (INTERFACE_NODE); - install_element (INTERFACE_NODE, &interface_desc_cmd); - install_element (INTERFACE_NODE, &no_interface_desc_cmd); + install_default(INTERFACE_NODE); + install_element(INTERFACE_NODE, &interface_desc_cmd); + install_element(INTERFACE_NODE, &no_interface_desc_cmd); } #if 0 @@ -845,212 +817,199 @@ DEFUN (show_address_vrf_all, #endif /* Allocate connected structure. */ -struct connected * -connected_new (void) +struct connected *connected_new(void) { - return XCALLOC (MTYPE_CONNECTED, sizeof (struct connected)); + return XCALLOC(MTYPE_CONNECTED, sizeof(struct connected)); } /* Allocate nbr connected structure. */ -struct nbr_connected * -nbr_connected_new (void) +struct nbr_connected *nbr_connected_new(void) { - return XCALLOC (MTYPE_NBR_CONNECTED, sizeof (struct nbr_connected)); + return XCALLOC(MTYPE_NBR_CONNECTED, sizeof(struct nbr_connected)); } /* Free connected structure. */ -void -connected_free (struct connected *connected) +void connected_free(struct connected *connected) { - if (connected->address) - prefix_free (connected->address); + if (connected->address) + prefix_free(connected->address); - if (connected->destination) - prefix_free (connected->destination); + if (connected->destination) + prefix_free(connected->destination); - if (connected->label) - XFREE (MTYPE_CONNECTED_LABEL, connected->label); + if (connected->label) + XFREE(MTYPE_CONNECTED_LABEL, connected->label); - XFREE (MTYPE_CONNECTED, connected); + XFREE(MTYPE_CONNECTED, connected); } /* Free nbr connected structure. */ -void -nbr_connected_free (struct nbr_connected *connected) +void nbr_connected_free(struct nbr_connected *connected) { - if (connected->address) - prefix_free (connected->address); + if (connected->address) + prefix_free(connected->address); - XFREE (MTYPE_NBR_CONNECTED, connected); + XFREE(MTYPE_NBR_CONNECTED, connected); } /* If same interface nbr address already exists... */ -struct nbr_connected * -nbr_connected_check (struct interface *ifp, struct prefix *p) +struct nbr_connected *nbr_connected_check(struct interface *ifp, + struct prefix *p) { - struct nbr_connected *ifc; - struct listnode *node; + struct nbr_connected *ifc; + struct listnode *node; - for (ALL_LIST_ELEMENTS_RO (ifp->nbr_connected, node, ifc)) - if (prefix_same (ifc->address, p)) - return ifc; + for (ALL_LIST_ELEMENTS_RO(ifp->nbr_connected, node, ifc)) + if (prefix_same(ifc->address, p)) + return ifc; - return NULL; + return NULL; } /* Print if_addr structure. */ -static void __attribute__ ((unused)) -connected_log (struct connected *connected, char *str) +static void __attribute__((unused)) +connected_log(struct connected *connected, char *str) { - struct prefix *p; - struct interface *ifp; - char logbuf[BUFSIZ]; - char buf[BUFSIZ]; - - ifp = connected->ifp; - p = connected->address; - - snprintf (logbuf, BUFSIZ, "%s interface %s vrf %u %s %s/%d ", - str, ifp->name, ifp->vrf_id, prefix_family_str (p), - inet_ntop (p->family, &p->u.prefix, buf, BUFSIZ), - p->prefixlen); - - p = connected->destination; - if (p) - { - strncat (logbuf, inet_ntop (p->family, &p->u.prefix, buf, BUFSIZ), - BUFSIZ - strlen(logbuf)); - } - zlog_info("%s", logbuf); + struct prefix *p; + struct interface *ifp; + char logbuf[BUFSIZ]; + char buf[BUFSIZ]; + + ifp = connected->ifp; + p = connected->address; + + snprintf(logbuf, BUFSIZ, "%s interface %s vrf %u %s %s/%d ", str, + ifp->name, ifp->vrf_id, prefix_family_str(p), + inet_ntop(p->family, &p->u.prefix, buf, BUFSIZ), p->prefixlen); + + p = connected->destination; + if (p) { + strncat(logbuf, inet_ntop(p->family, &p->u.prefix, buf, BUFSIZ), + BUFSIZ - strlen(logbuf)); + } + zlog_info("%s", logbuf); } /* Print if_addr structure. */ -static void __attribute__ ((unused)) -nbr_connected_log (struct nbr_connected *connected, char *str) +static void __attribute__((unused)) +nbr_connected_log(struct nbr_connected *connected, char *str) { - struct prefix *p; - struct interface *ifp; - char logbuf[BUFSIZ]; - char buf[BUFSIZ]; + struct prefix *p; + struct interface *ifp; + char logbuf[BUFSIZ]; + char buf[BUFSIZ]; - ifp = connected->ifp; - p = connected->address; + ifp = connected->ifp; + p = connected->address; - snprintf (logbuf, BUFSIZ, "%s interface %s %s %s/%d ", - str, ifp->name, prefix_family_str (p), - inet_ntop (p->family, &p->u.prefix, buf, BUFSIZ), - p->prefixlen); + snprintf(logbuf, BUFSIZ, "%s interface %s %s %s/%d ", str, ifp->name, + prefix_family_str(p), + inet_ntop(p->family, &p->u.prefix, buf, BUFSIZ), p->prefixlen); - zlog_info("%s", logbuf); + zlog_info("%s", logbuf); } /* If two connected address has same prefix return 1. */ -static int -connected_same_prefix (struct prefix *p1, struct prefix *p2) +static int connected_same_prefix(struct prefix *p1, struct prefix *p2) { - if (p1->family == p2->family) - { - if (p1->family == AF_INET && - IPV4_ADDR_SAME (&p1->u.prefix4, &p2->u.prefix4)) - return 1; - if (p1->family == AF_INET6 && - IPV6_ADDR_SAME (&p1->u.prefix6, &p2->u.prefix6)) - return 1; - } - return 0; + if (p1->family == p2->family) { + if (p1->family == AF_INET + && IPV4_ADDR_SAME(&p1->u.prefix4, &p2->u.prefix4)) + return 1; + if (p1->family == AF_INET6 + && IPV6_ADDR_SAME(&p1->u.prefix6, &p2->u.prefix6)) + return 1; + } + return 0; } -struct connected * -connected_lookup_prefix_exact (struct interface *ifp, struct prefix *p) +struct connected *connected_lookup_prefix_exact(struct interface *ifp, + struct prefix *p) { - struct listnode *node; - struct listnode *next; - struct connected *ifc; + struct listnode *node; + struct listnode *next; + struct connected *ifc; - for (node = listhead (ifp->connected); node; node = next) - { - ifc = listgetdata (node); - next = node->next; + for (node = listhead(ifp->connected); node; node = next) { + ifc = listgetdata(node); + next = node->next; - if (connected_same_prefix (ifc->address, p)) - return ifc; - } - return NULL; + if (connected_same_prefix(ifc->address, p)) + return ifc; + } + return NULL; } -struct connected * -connected_delete_by_prefix (struct interface *ifp, struct prefix *p) +struct connected *connected_delete_by_prefix(struct interface *ifp, + struct prefix *p) { - struct listnode *node; - struct listnode *next; - struct connected *ifc; - - /* In case of same prefix come, replace it with new one. */ - for (node = listhead (ifp->connected); node; node = next) - { - ifc = listgetdata (node); - next = node->next; - - if (connected_same_prefix (ifc->address, p)) - { - listnode_delete (ifp->connected, ifc); - return ifc; + struct listnode *node; + struct listnode *next; + struct connected *ifc; + + /* In case of same prefix come, replace it with new one. */ + for (node = listhead(ifp->connected); node; node = next) { + ifc = listgetdata(node); + next = node->next; + + if (connected_same_prefix(ifc->address, p)) { + listnode_delete(ifp->connected, ifc); + return ifc; + } } - } - return NULL; + return NULL; } /* Find the address on our side that will be used when packets are sent to dst. */ -struct connected * -connected_lookup_prefix (struct interface *ifp, struct prefix *addr) +struct connected *connected_lookup_prefix(struct interface *ifp, + struct prefix *addr) { - struct listnode *cnode; - struct connected *c; - struct connected *match; - - match = NULL; - - for (ALL_LIST_ELEMENTS_RO (ifp->connected, cnode, c)) - { - if (c->address && (c->address->family == addr->family) && - prefix_match(CONNECTED_PREFIX(c), addr) && - (!match || (c->address->prefixlen > match->address->prefixlen))) - match = c; - } - return match; + struct listnode *cnode; + struct connected *c; + struct connected *match; + + match = NULL; + + for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, c)) { + if (c->address && (c->address->family == addr->family) + && prefix_match(CONNECTED_PREFIX(c), addr) + && (!match + || (c->address->prefixlen > match->address->prefixlen))) + match = c; + } + return match; } -struct connected * -connected_add_by_prefix (struct interface *ifp, struct prefix *p, - struct prefix *destination) +struct connected *connected_add_by_prefix(struct interface *ifp, + struct prefix *p, + struct prefix *destination) { - struct connected *ifc; + struct connected *ifc; - /* Allocate new connected address. */ - ifc = connected_new (); - ifc->ifp = ifp; + /* Allocate new connected address. */ + ifc = connected_new(); + ifc->ifp = ifp; - /* Fetch interface address */ - ifc->address = prefix_new(); - memcpy (ifc->address, p, sizeof(struct prefix)); + /* Fetch interface address */ + ifc->address = prefix_new(); + memcpy(ifc->address, p, sizeof(struct prefix)); - /* Fetch dest address */ - if (destination) - { - ifc->destination = prefix_new(); - memcpy (ifc->destination, destination, sizeof(struct prefix)); - } + /* Fetch dest address */ + if (destination) { + ifc->destination = prefix_new(); + memcpy(ifc->destination, destination, sizeof(struct prefix)); + } - /* Add connected address to the interface. */ - listnode_add (ifp->connected, ifc); - return ifc; + /* Add connected address to the interface. */ + listnode_add(ifp->connected, ifc); + return ifc; } -#if 0 /* this route_table of struct connected's is unused - * however, it would be good to use a route_table rather than - * a list.. - */ +#if 0 /* this route_table of struct connected's is unused \ + * however, it would be good to use a route_table rather than \ + * a list.. \ + */ /* Interface looking up by interface's address. */ /* Interface's IPv4 address reverse lookup table. */ struct route_table *ifaddr_ipv4_table; @@ -1127,139 +1086,135 @@ ifaddr_ipv4_lookup (struct in_addr *addr, ifindex_t ifindex) #endif /* ifaddr_ipv4_table */ /* Initialize interface list. */ -void -if_init (struct list **intf_list) +void if_init(struct list **intf_list) { - *intf_list = list_new (); + *intf_list = list_new(); #if 0 ifaddr_ipv4_table = route_table_init (); #endif /* ifaddr_ipv4_table */ - (*intf_list)->cmp = (int (*)(void *, void *))if_cmp_func; + (*intf_list)->cmp = (int (*)(void *, void *))if_cmp_func; } -void -if_terminate (struct list **intf_list) +void if_terminate(struct list **intf_list) { - for (;;) - { - struct interface *ifp; + for (;;) { + struct interface *ifp; - ifp = listnode_head (*intf_list); - if (ifp == NULL) - break; + ifp = listnode_head(*intf_list); + if (ifp == NULL) + break; - if (ifp->node) - { - ifp->node->info = NULL; - route_unlock_node (ifp->node); - } + if (ifp->node) { + ifp->node->info = NULL; + route_unlock_node(ifp->node); + } - if_delete (ifp); - } + if_delete(ifp); + } - list_delete (*intf_list); - *intf_list = NULL; + list_delete(*intf_list); + *intf_list = NULL; } -const char * -if_link_type_str (enum zebra_link_type llt) +const char *if_link_type_str(enum zebra_link_type llt) { - switch (llt) - { + switch (llt) { #define llts(T,S) case (T): return (S) - llts(ZEBRA_LLT_UNKNOWN, "Unknown"); - llts(ZEBRA_LLT_ETHER, "Ethernet"); - llts(ZEBRA_LLT_EETHER, "Experimental Ethernet"); - llts(ZEBRA_LLT_AX25, "AX.25 Level 2"); - llts(ZEBRA_LLT_PRONET, "PROnet token ring"); - llts(ZEBRA_LLT_IEEE802, "IEEE 802.2 Ethernet/TR/TB"); - llts(ZEBRA_LLT_ARCNET, "ARCnet"); - llts(ZEBRA_LLT_APPLETLK, "AppleTalk"); - llts(ZEBRA_LLT_DLCI, "Frame Relay DLCI"); - llts(ZEBRA_LLT_ATM, "ATM"); - llts(ZEBRA_LLT_METRICOM, "Metricom STRIP"); - llts(ZEBRA_LLT_IEEE1394, "IEEE 1394 IPv4"); - llts(ZEBRA_LLT_EUI64, "EUI-64"); - llts(ZEBRA_LLT_INFINIBAND, "InfiniBand"); - llts(ZEBRA_LLT_SLIP, "SLIP"); - llts(ZEBRA_LLT_CSLIP, "Compressed SLIP"); - llts(ZEBRA_LLT_SLIP6, "SLIPv6"); - llts(ZEBRA_LLT_CSLIP6, "Compressed SLIPv6"); - llts(ZEBRA_LLT_ROSE, "ROSE packet radio"); - llts(ZEBRA_LLT_X25, "CCITT X.25"); - llts(ZEBRA_LLT_PPP, "PPP"); - llts(ZEBRA_LLT_CHDLC, "Cisco HDLC"); - llts(ZEBRA_LLT_RAWHDLC, "Raw HDLC"); - llts(ZEBRA_LLT_LAPB, "LAPB"); - llts(ZEBRA_LLT_IPIP, "IPIP Tunnel"); - llts(ZEBRA_LLT_IPIP6, "IPIP6 Tunnel"); - llts(ZEBRA_LLT_FRAD, "FRAD"); - llts(ZEBRA_LLT_SKIP, "SKIP vif"); - llts(ZEBRA_LLT_LOOPBACK, "Loopback"); - llts(ZEBRA_LLT_LOCALTLK, "Localtalk"); - llts(ZEBRA_LLT_FDDI, "FDDI"); - llts(ZEBRA_LLT_SIT, "IPv6-in-IPv4 SIT"); - llts(ZEBRA_LLT_IPDDP, "IP-in-DDP tunnel"); - llts(ZEBRA_LLT_IPGRE, "GRE over IP"); - llts(ZEBRA_LLT_PIMREG, "PIMSM registration"); - llts(ZEBRA_LLT_HIPPI, "HiPPI"); - llts(ZEBRA_LLT_IRDA, "IrDA"); - llts(ZEBRA_LLT_FCPP, "Fibre-Channel PtP"); - llts(ZEBRA_LLT_FCAL, "Fibre-Channel Arbitrated Loop"); - llts(ZEBRA_LLT_FCPL, "Fibre-Channel Public Loop"); - llts(ZEBRA_LLT_FCFABRIC, "Fibre-Channel Fabric"); - llts(ZEBRA_LLT_IEEE802_TR, "IEEE 802.2 Token Ring"); - llts(ZEBRA_LLT_IEEE80211, "IEEE 802.11"); - llts(ZEBRA_LLT_IEEE80211_RADIOTAP, "IEEE 802.11 Radiotap"); - llts(ZEBRA_LLT_IEEE802154, "IEEE 802.15.4"); - llts(ZEBRA_LLT_IEEE802154_PHY, "IEEE 802.15.4 Phy"); - default: - zlog_warn ("Unknown value %d", llt); - return "Unknown type!"; + llts(ZEBRA_LLT_UNKNOWN, "Unknown"); + llts(ZEBRA_LLT_ETHER, "Ethernet"); + llts(ZEBRA_LLT_EETHER, "Experimental Ethernet"); + llts(ZEBRA_LLT_AX25, "AX.25 Level 2"); + llts(ZEBRA_LLT_PRONET, "PROnet token ring"); + llts(ZEBRA_LLT_IEEE802, "IEEE 802.2 Ethernet/TR/TB"); + llts(ZEBRA_LLT_ARCNET, "ARCnet"); + llts(ZEBRA_LLT_APPLETLK, "AppleTalk"); + llts(ZEBRA_LLT_DLCI, "Frame Relay DLCI"); + llts(ZEBRA_LLT_ATM, "ATM"); + llts(ZEBRA_LLT_METRICOM, "Metricom STRIP"); + llts(ZEBRA_LLT_IEEE1394, "IEEE 1394 IPv4"); + llts(ZEBRA_LLT_EUI64, "EUI-64"); + llts(ZEBRA_LLT_INFINIBAND, "InfiniBand"); + llts(ZEBRA_LLT_SLIP, "SLIP"); + llts(ZEBRA_LLT_CSLIP, "Compressed SLIP"); + llts(ZEBRA_LLT_SLIP6, "SLIPv6"); + llts(ZEBRA_LLT_CSLIP6, "Compressed SLIPv6"); + llts(ZEBRA_LLT_ROSE, "ROSE packet radio"); + llts(ZEBRA_LLT_X25, "CCITT X.25"); + llts(ZEBRA_LLT_PPP, "PPP"); + llts(ZEBRA_LLT_CHDLC, "Cisco HDLC"); + llts(ZEBRA_LLT_RAWHDLC, "Raw HDLC"); + llts(ZEBRA_LLT_LAPB, "LAPB"); + llts(ZEBRA_LLT_IPIP, "IPIP Tunnel"); + llts(ZEBRA_LLT_IPIP6, "IPIP6 Tunnel"); + llts(ZEBRA_LLT_FRAD, "FRAD"); + llts(ZEBRA_LLT_SKIP, "SKIP vif"); + llts(ZEBRA_LLT_LOOPBACK, "Loopback"); + llts(ZEBRA_LLT_LOCALTLK, "Localtalk"); + llts(ZEBRA_LLT_FDDI, "FDDI"); + llts(ZEBRA_LLT_SIT, "IPv6-in-IPv4 SIT"); + llts(ZEBRA_LLT_IPDDP, "IP-in-DDP tunnel"); + llts(ZEBRA_LLT_IPGRE, "GRE over IP"); + llts(ZEBRA_LLT_PIMREG, "PIMSM registration"); + llts(ZEBRA_LLT_HIPPI, "HiPPI"); + llts(ZEBRA_LLT_IRDA, "IrDA"); + llts(ZEBRA_LLT_FCPP, "Fibre-Channel PtP"); + llts(ZEBRA_LLT_FCAL, "Fibre-Channel Arbitrated Loop"); + llts(ZEBRA_LLT_FCPL, "Fibre-Channel Public Loop"); + llts(ZEBRA_LLT_FCFABRIC, "Fibre-Channel Fabric"); + llts(ZEBRA_LLT_IEEE802_TR, "IEEE 802.2 Token Ring"); + llts(ZEBRA_LLT_IEEE80211, "IEEE 802.11"); + llts(ZEBRA_LLT_IEEE80211_RADIOTAP, "IEEE 802.11 Radiotap"); + llts(ZEBRA_LLT_IEEE802154, "IEEE 802.15.4"); + llts(ZEBRA_LLT_IEEE802154_PHY, "IEEE 802.15.4 Phy"); + default: + zlog_warn("Unknown value %d", llt); + return "Unknown type!"; #undef llts - } - return NULL; + } + return NULL; } -struct if_link_params * -if_link_params_get (struct interface *ifp) +struct if_link_params *if_link_params_get(struct interface *ifp) { - int i; + int i; - if (ifp->link_params != NULL) - return ifp->link_params; + if (ifp->link_params != NULL) + return ifp->link_params; - struct if_link_params *iflp = XCALLOC(MTYPE_IF_LINK_PARAMS, - sizeof (struct if_link_params)); - if (iflp == NULL) return NULL; + struct if_link_params *iflp = + XCALLOC(MTYPE_IF_LINK_PARAMS, sizeof(struct if_link_params)); + if (iflp == NULL) + return NULL; - /* Set TE metric equal to standard metric */ - iflp->te_metric = ifp->metric; + /* Set TE metric equal to standard metric */ + iflp->te_metric = ifp->metric; - /* Compute default bandwidth based on interface */ - iflp->default_bw = ((ifp->bandwidth ? ifp->bandwidth : DEFAULT_BANDWIDTH) - * TE_KILO_BIT / TE_BYTE); + /* Compute default bandwidth based on interface */ + iflp->default_bw = + ((ifp->bandwidth ? ifp->bandwidth : DEFAULT_BANDWIDTH) + * TE_KILO_BIT / TE_BYTE); - /* Set Max, Reservable and Unreserved Bandwidth */ - iflp->max_bw = iflp->default_bw; - iflp->max_rsv_bw = iflp->default_bw; - for (i = 0; i < MAX_CLASS_TYPE; i++) - iflp->unrsv_bw[i] = iflp->default_bw; + /* Set Max, Reservable and Unreserved Bandwidth */ + iflp->max_bw = iflp->default_bw; + iflp->max_rsv_bw = iflp->default_bw; + for (i = 0; i < MAX_CLASS_TYPE; i++) + iflp->unrsv_bw[i] = iflp->default_bw; - /* Update Link parameters status */ - iflp->lp_status = LP_TE_METRIC | LP_MAX_BW | LP_MAX_RSV_BW | LP_UNRSV_BW; + /* Update Link parameters status */ + iflp->lp_status = + LP_TE_METRIC | LP_MAX_BW | LP_MAX_RSV_BW | LP_UNRSV_BW; - /* Finally attach newly created Link Parameters */ - ifp->link_params = iflp; + /* Finally attach newly created Link Parameters */ + ifp->link_params = iflp; - return iflp; + return iflp; } -void -if_link_params_free (struct interface *ifp) +void if_link_params_free(struct interface *ifp) { - if (ifp->link_params == NULL) return; - XFREE(MTYPE_IF_LINK_PARAMS, ifp->link_params); - ifp->link_params = NULL; + if (ifp->link_params == NULL) + return; + XFREE(MTYPE_IF_LINK_PARAMS, ifp->link_params); + ifp->link_params = NULL; } |