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bridge: isolate vlans parsing code in a separate API

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IFLA_BRIDGE_VLAN_INFO parsing logic will be used in link and vlan
processing code, so it makes sense to move it in the separate function.

Signed-off-by: Roman Mashak <mrv@mojatatu.com>
This commit is contained in:
Roman Mashak 2017-09-08 17:52:21 -04:00 committed by Stephen Hemminger
parent 5a9bca7145
commit b97c679c9f
2 changed files with 76 additions and 70 deletions
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1
bridge/br_common.h
View File

@ -4,6 +4,7 @@
#define MDB_RTR_RTA(r) \ #define MDB_RTR_RTA(r) \
((struct rtattr *)(((char *)(r)) + RTA_ALIGN(sizeof(__u32)))) ((struct rtattr *)(((char *)(r)) + RTA_ALIGN(sizeof(__u32))))
extern void print_vlan_info(FILE *fp, struct rtattr *tb, int ifindex);
extern int print_linkinfo(const struct sockaddr_nl *who, extern int print_linkinfo(const struct sockaddr_nl *who,
struct nlmsghdr *n, struct nlmsghdr *n,
void *arg); void *arg);

145
bridge/vlan.c
View File

@ -189,7 +189,6 @@ static int print_vlan(const struct sockaddr_nl *who,
struct ifinfomsg *ifm = NLMSG_DATA(n); struct ifinfomsg *ifm = NLMSG_DATA(n);
int len = n->nlmsg_len; int len = n->nlmsg_len;
struct rtattr *tb[IFLA_MAX+1]; struct rtattr *tb[IFLA_MAX+1];
bool vlan_flags = false;
if (n->nlmsg_type != RTM_NEWLINK) { if (n->nlmsg_type != RTM_NEWLINK) {
fprintf(stderr, "Not RTM_NEWLINK: %08x %08x %08x\n", fprintf(stderr, "Not RTM_NEWLINK: %08x %08x %08x\n",
@ -218,75 +217,7 @@ static int print_vlan(const struct sockaddr_nl *who,
ll_index_to_name(ifm->ifi_index)); ll_index_to_name(ifm->ifi_index));
return 0; return 0;
} else { } else {
struct rtattr *i, *list = tb[IFLA_AF_SPEC]; print_vlan_info(fp, tb[IFLA_AF_SPEC], ifm->ifi_index);
int rem = RTA_PAYLOAD(list);
__u16 last_vid_start = 0;
if (!filter_vlan)
print_vlan_port(fp, ifm->ifi_index);
for (i = RTA_DATA(list); RTA_OK(i, rem); i = RTA_NEXT(i, rem)) {
struct bridge_vlan_info *vinfo;
int vcheck_ret;
if (i->rta_type != IFLA_BRIDGE_VLAN_INFO)
continue;
vinfo = RTA_DATA(i);
if (!(vinfo->flags & BRIDGE_VLAN_INFO_RANGE_END))
last_vid_start = vinfo->vid;
vcheck_ret = filter_vlan_check(vinfo);
if (vcheck_ret == -1)
break;
else if (vcheck_ret == 0)
continue;
if (filter_vlan)
print_vlan_port(fp, ifm->ifi_index);
if (jw_global) {
jsonw_start_object(jw_global);
jsonw_uint_field(jw_global, "vlan",
last_vid_start);
if (vinfo->flags & BRIDGE_VLAN_INFO_RANGE_BEGIN)
continue;
} else {
fprintf(fp, "\t %hu", last_vid_start);
}
if (last_vid_start != vinfo->vid) {
if (jw_global)
jsonw_uint_field(jw_global, "vlanEnd",
vinfo->vid);
else
fprintf(fp, "-%hu", vinfo->vid);
}
if (vinfo->flags & BRIDGE_VLAN_INFO_PVID) {
if (jw_global) {
start_json_vlan_flags_array(&vlan_flags);
jsonw_string(jw_global, "PVID");
} else {
fprintf(fp, " PVID");
}
}
if (vinfo->flags & BRIDGE_VLAN_INFO_UNTAGGED) {
if (jw_global) {
start_json_vlan_flags_array(&vlan_flags);
jsonw_string(jw_global,
"Egress Untagged");
} else {
fprintf(fp, " Egress Untagged");
}
}
if (jw_global && vlan_flags) {
jsonw_end_array(jw_global);
vlan_flags = false;
}
if (jw_global)
jsonw_end_object(jw_global);
else
fprintf(fp, "\n");
}
} }
if (!filter_vlan) { if (!filter_vlan) {
if (jw_global) if (jw_global)
@ -470,6 +401,80 @@ static int vlan_show(int argc, char **argv)
return 0; return 0;
} }
void print_vlan_info(FILE *fp, struct rtattr *tb, int ifindex)
{
struct rtattr *i, *list = tb;
int rem = RTA_PAYLOAD(list);
__u16 last_vid_start = 0;
bool vlan_flags = false;
if (!filter_vlan)
print_vlan_port(fp, ifindex);
for (i = RTA_DATA(list); RTA_OK(i, rem); i = RTA_NEXT(i, rem)) {
struct bridge_vlan_info *vinfo;
int vcheck_ret;
if (i->rta_type != IFLA_BRIDGE_VLAN_INFO)
continue;
vinfo = RTA_DATA(i);
if (!(vinfo->flags & BRIDGE_VLAN_INFO_RANGE_END))
last_vid_start = vinfo->vid;
vcheck_ret = filter_vlan_check(vinfo);
if (vcheck_ret == -1)
break;
else if (vcheck_ret == 0)
continue;
if (filter_vlan)
print_vlan_port(fp, ifindex);
if (jw_global) {
jsonw_start_object(jw_global);
jsonw_uint_field(jw_global, "vlan",
last_vid_start);
if (vinfo->flags & BRIDGE_VLAN_INFO_RANGE_BEGIN)
continue;
} else {
fprintf(fp, "\t %hu", last_vid_start);
}
if (last_vid_start != vinfo->vid) {
if (jw_global)
jsonw_uint_field(jw_global, "vlanEnd",
vinfo->vid);
else
fprintf(fp, "-%hu", vinfo->vid);
}
if (vinfo->flags & BRIDGE_VLAN_INFO_PVID) {
if (jw_global) {
start_json_vlan_flags_array(&vlan_flags);
jsonw_string(jw_global, "PVID");
} else {
fprintf(fp, " PVID");
}
}
if (vinfo->flags & BRIDGE_VLAN_INFO_UNTAGGED) {
if (jw_global) {
start_json_vlan_flags_array(&vlan_flags);
jsonw_string(jw_global,
"Egress Untagged");
} else {
fprintf(fp, " Egress Untagged");
}
}
if (jw_global && vlan_flags) {
jsonw_end_array(jw_global);
vlan_flags = false;
}
if (jw_global)
jsonw_end_object(jw_global);
else
fprintf(fp, "\n");
}
}
int do_vlan(int argc, char **argv) int do_vlan(int argc, char **argv)
{ {
ll_init_map(&rth); ll_init_map(&rth);