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From 036e314bd93602f7388262cc37faf8b626980af1 Mon Sep 17 00:00:00 2001
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From: Gary Loughnane <gary.loughnane@intel.com>
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Date: Mon, 17 Aug 2015 21:19:24 +0000
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Subject: [PATCH] lldpad: system capability incorrect advertised as station
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only
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Fix system capability TLV on switch. On our switches we have found
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that the system capability was being advertised as Station Only. This
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patch changes the capability to Bridge.
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Signed-off-by: Gary Loughnane <gary.loughnane@intel.com>
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Signed-off-by: John Fastabend <john.r.fastabend@intel.com>
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---
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include/lldp_util.h | 1 +
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lldp_util.c | 22 +++++++++++++++++++++-
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2 files changed, 22 insertions(+), 1 deletion(-)
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diff --git a/include/lldp_util.h b/include/lldp_util.h
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index 878426b..69b67b1 100644
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--- a/include/lldp_util.h
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+++ b/include/lldp_util.h
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@@ -125,6 +125,7 @@ int is_active(const char *ifname);
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int is_bond(const char *ifname);
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int is_san_mac(u8 *addr);
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int is_bridge(const char *ifname);
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+int is_bridge_port(const char *ifname);
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int is_vlan(const char *ifname);
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int is_vlan_capable(const char *ifname);
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int is_wlan(const char *ifname);
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diff --git a/lldp_util.c b/lldp_util.c
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index f1fb7b9..62f0af8 100644
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--- a/lldp_util.c
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+++ b/lldp_util.c
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@@ -580,6 +580,26 @@ int is_bridge(const char *ifname)
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return rc;
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}
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+int is_bridge_port(const char *ifname)
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+{
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+ int rc = 0;
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+ char path[256];
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+ DIR *dirp;
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+
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+ if (!is_ether(ifname)) {
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+ return 0;
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+ }
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+ /* check if the given ifname is a bridge port in sysfs */
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+ snprintf(path, sizeof(path), "/sys/class/net/%s/brport/", ifname);
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+ dirp = opendir(path);
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+ if (dirp) {
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+ closedir(dirp);
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+ rc = 1;
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+ }
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+
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+ return rc;
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+}
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+
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int is_vlan(const char *ifname)
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{
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int fd;
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@@ -942,7 +962,7 @@ u16 get_caps(const char *ifname)
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if (is_vlan(ifname))
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caps |= SYSCAP_CVLAN;
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- if (is_bridge(ifname))
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+ if (is_bridge_port(ifname))
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caps |= SYSCAP_BRIDGE;
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if (is_router())
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--
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2.5.0
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