bridge: vlan: factor out vlan option printing

Factor out the code which prints current per-vlan options from
print_vlan_rtm without any changes, later we'll filter based on the vlan
attribute and add support for global vlan option printing.

Signed-off-by: Nikolay Aleksandrov <nikolay@nvidia.com>
Signed-off-by: David Ahern <dsahern@kernel.org>
This commit is contained in:
Nikolay Aleksandrov 2021-08-28 14:07:48 +03:00 committed by David Ahern
parent d2eecb9d1d
commit 312e22fe79
1 changed files with 58 additions and 52 deletions

View File

@ -621,11 +621,67 @@ static int print_vlan_stats(struct nlmsghdr *n, void *arg)
return 0;
}
static void print_vlan_opts(struct rtattr *a)
{
struct rtattr *vtb[BRIDGE_VLANDB_ENTRY_MAX + 1];
struct bridge_vlan_xstats vstats;
struct bridge_vlan_info *vinfo;
__u16 vrange = 0;
__u8 state = 0;
parse_rtattr_flags(vtb, BRIDGE_VLANDB_ENTRY_MAX, RTA_DATA(a),
RTA_PAYLOAD(a), NLA_F_NESTED);
vinfo = RTA_DATA(vtb[BRIDGE_VLANDB_ENTRY_INFO]);
memset(&vstats, 0, sizeof(vstats));
if (vtb[BRIDGE_VLANDB_ENTRY_RANGE])
vrange = rta_getattr_u16(vtb[BRIDGE_VLANDB_ENTRY_RANGE]);
else
vrange = vinfo->vid;
if (vtb[BRIDGE_VLANDB_ENTRY_STATE])
state = rta_getattr_u8(vtb[BRIDGE_VLANDB_ENTRY_STATE]);
if (vtb[BRIDGE_VLANDB_ENTRY_STATS]) {
struct rtattr *stb[BRIDGE_VLANDB_STATS_MAX+1];
struct rtattr *attr;
attr = vtb[BRIDGE_VLANDB_ENTRY_STATS];
parse_rtattr(stb, BRIDGE_VLANDB_STATS_MAX, RTA_DATA(attr),
RTA_PAYLOAD(attr));
if (stb[BRIDGE_VLANDB_STATS_RX_BYTES]) {
attr = stb[BRIDGE_VLANDB_STATS_RX_BYTES];
vstats.rx_bytes = rta_getattr_u64(attr);
}
if (stb[BRIDGE_VLANDB_STATS_RX_PACKETS]) {
attr = stb[BRIDGE_VLANDB_STATS_RX_PACKETS];
vstats.rx_packets = rta_getattr_u64(attr);
}
if (stb[BRIDGE_VLANDB_STATS_TX_PACKETS]) {
attr = stb[BRIDGE_VLANDB_STATS_TX_PACKETS];
vstats.tx_packets = rta_getattr_u64(attr);
}
if (stb[BRIDGE_VLANDB_STATS_TX_BYTES]) {
attr = stb[BRIDGE_VLANDB_STATS_TX_BYTES];
vstats.tx_bytes = rta_getattr_u64(attr);
}
}
print_range("vlan", vinfo->vid, vrange);
print_vlan_flags(vinfo->flags);
print_nl();
print_string(PRINT_FP, NULL, "%-" __stringify(IFNAMSIZ) "s ", "");
print_stp_state(state);
print_nl();
if (show_stats)
__print_one_vlan_stats(&vstats);
}
int print_vlan_rtm(struct nlmsghdr *n, void *arg, bool monitor)
{
struct rtattr *vtb[BRIDGE_VLANDB_ENTRY_MAX + 1], *a;
struct br_vlan_msg *bvm = NLMSG_DATA(n);
int len = n->nlmsg_len;
struct rtattr *a;
int rem;
if (n->nlmsg_type != RTM_NEWVLAN && n->nlmsg_type != RTM_DELVLAN &&
@ -660,49 +716,6 @@ int print_vlan_rtm(struct nlmsghdr *n, void *arg, bool monitor)
rem = len;
for (a = BRVLAN_RTA(bvm); RTA_OK(a, rem); a = RTA_NEXT(a, rem)) {
struct bridge_vlan_xstats vstats;
struct bridge_vlan_info *vinfo;
__u32 vrange = 0;
__u8 state = 0;
parse_rtattr_flags(vtb, BRIDGE_VLANDB_ENTRY_MAX, RTA_DATA(a),
RTA_PAYLOAD(a), NLA_F_NESTED);
vinfo = RTA_DATA(vtb[BRIDGE_VLANDB_ENTRY_INFO]);
memset(&vstats, 0, sizeof(vstats));
if (vtb[BRIDGE_VLANDB_ENTRY_RANGE])
vrange = rta_getattr_u16(vtb[BRIDGE_VLANDB_ENTRY_RANGE]);
else
vrange = vinfo->vid;
if (vtb[BRIDGE_VLANDB_ENTRY_STATE])
state = rta_getattr_u8(vtb[BRIDGE_VLANDB_ENTRY_STATE]);
if (vtb[BRIDGE_VLANDB_ENTRY_STATS]) {
struct rtattr *stb[BRIDGE_VLANDB_STATS_MAX+1];
struct rtattr *attr;
attr = vtb[BRIDGE_VLANDB_ENTRY_STATS];
parse_rtattr(stb, BRIDGE_VLANDB_STATS_MAX, RTA_DATA(attr),
RTA_PAYLOAD(attr));
if (stb[BRIDGE_VLANDB_STATS_RX_BYTES]) {
attr = stb[BRIDGE_VLANDB_STATS_RX_BYTES];
vstats.rx_bytes = rta_getattr_u64(attr);
}
if (stb[BRIDGE_VLANDB_STATS_RX_PACKETS]) {
attr = stb[BRIDGE_VLANDB_STATS_RX_PACKETS];
vstats.rx_packets = rta_getattr_u64(attr);
}
if (stb[BRIDGE_VLANDB_STATS_TX_PACKETS]) {
attr = stb[BRIDGE_VLANDB_STATS_TX_PACKETS];
vstats.tx_packets = rta_getattr_u64(attr);
}
if (stb[BRIDGE_VLANDB_STATS_TX_BYTES]) {
attr = stb[BRIDGE_VLANDB_STATS_TX_BYTES];
vstats.tx_bytes = rta_getattr_u64(attr);
}
}
if (vlan_rtm_cur_ifidx != bvm->ifindex) {
open_vlan_port(bvm->ifindex, VLAN_SHOW_VLAN);
open_json_object(NULL);
@ -711,14 +724,7 @@ int print_vlan_rtm(struct nlmsghdr *n, void *arg, bool monitor)
open_json_object(NULL);
print_string(PRINT_FP, NULL, "%-" __stringify(IFNAMSIZ) "s ", "");
}
print_range("vlan", vinfo->vid, vrange);
print_vlan_flags(vinfo->flags);
print_nl();
print_string(PRINT_FP, NULL, "%-" __stringify(IFNAMSIZ) "s ", "");
print_stp_state(state);
print_nl();
if (show_stats)
__print_one_vlan_stats(&vstats);
print_vlan_opts(a);
close_json_object();
}