CIFS: dump every session iface info

Signed-off-by: Aurelien Aptel <aaptel@suse.com>
Signed-off-by: Steve French <stfrench@microsoft.com>

1 files changed, 27 insertions, 0 deletions

diff --git a/fs/cifs/cifs_debug.c b/fs/cifs/cifs_debug.c
index 116146022aa1..e8db245194e7 100644
--- a/fs/cifs/cifs_debug.c
+++ b/fs/cifs/cifs_debug.c
@@ -126,6 +126,25 @@ static void cifs_debug_tcon(struct seq_file *m, struct cifs_tcon *tcon)
         seq_putc(m, '\n');
 }
 
+static void
+cifs_dump_iface(struct seq_file *m, struct cifs_server_iface *iface)
+{
+        struct sockaddr_in *ipv4 = (struct sockaddr_in *)&iface->sockaddr;
+        struct sockaddr_in6 *ipv6 = (struct sockaddr_in6 *)&iface->sockaddr;
+
+        seq_printf(m, "\t\tSpeed: %zu bps\n", iface->speed);
+        seq_puts(m, "\t\tCapabilities: ");
+        if (iface->rdma_capable)
+                seq_puts(m, "rdma ");
+        if (iface->rss_capable)
+                seq_puts(m, "rss ");
+        seq_putc(m, '\n');
+        if (iface->sockaddr.ss_family == AF_INET)
+                seq_printf(m, "\t\tIPv4: %pI4\n", &ipv4->sin_addr);
+        else if (iface->sockaddr.ss_family == AF_INET6)
+                seq_printf(m, "\t\tIPv6: %pI6\n", &ipv6->sin6_addr);
+}
+
 static int cifs_debug_data_proc_show(struct seq_file *m, void *v)
 {
         struct list_head *tmp1, *tmp2, *tmp3;
@@ -312,6 +331,14 @@ skip_rdma:
                                               mid_entry->mid);
                         }
                         spin_unlock(&GlobalMid_Lock);
+
+                        spin_lock(&ses->iface_lock);
+                        seq_printf(m, "\n\tServer interfaces: %zu\n", ses->iface_count);
+                        for (j = 0; j < ses->iface_count; j++) {
+                                seq_printf(m, "\t%d)\n", j);
+                                cifs_dump_iface(m, &ses->iface_list[j]);
+                        }
+                        spin_unlock(&ses->iface_lock);
                 }
         }
         spin_unlock(&cifs_tcp_ses_lock);