smc_rnics: Suppress unknown non-networking devices

As reported by Test, non-networking devices are still visible (see last
line):
  $ smc_rnics
  FID  Power  PCI ID        PCHID  Type           Port  PNET ID   Interface
  -------------------------------------------------------------------------
    0  1      0000:00:00.0  0150   RoCE Express2  0     PERFNET   enp0s0
   40  1      000e:00:00.0  011c   RoCE Express2  0     PERFNET   enP14s40
   80  1      000d:00:00.0  013c   RoCE Express2  0     PERFNET   enP13s80
   c0  1      000c:00:00.0  0170   RoCE Express2  0     PERFNET   enP12p0s0
  800  1      0004:00:00.0  0110   144d:a822
To address this, we are now defaulting to supression of any unknown device
in the default output. However, if option '-r' is specified, we still show
all output, including non-networking devices - this can be useful in case
an older version is run with later hardware.
Note that it is tedious to blacklist all non-networking devices: Since
users can add their own NVMe devices, we can never know what we will
encounterin the wild.

Signed-off-by: Stefan Raspl <raspl@linux.ibm.com>

Author: Stefan Raspl

README.smctools

@@ -51,6 +51,9 @@ Release History:
     - smcss: Add further error codes to man page
 
     Bug fixes:
+    - smcss: Display more than 321 connections
+    - smc_rnics: Suppress any unknown non-networking device unless
+                 option -r is specified
 
 1.3.0 (2020-06-16)
     Changes:

smc_rnics

@@ -88,12 +88,14 @@ function print_rnics() {
 		vend=`cat vendor`;
 		dev_type="${vend#0x}:${id#0x}";
 		if [ $rawIDs -eq 0 ]; then
+			# suppress all output except the devices we know
 			case "$vend" in
 			"0x1014" ) # IBM
 				case "$id" in
 				"0x04ed") dev_type="ISM";
 					  int="n/a";;
-				"0x044b") continue;;		# zEDC
+				*)
+					continue;
 				esac;;
 			"0x15b3" ) # Mellanox
 				case "$id" in
@@ -108,7 +110,11 @@ function print_rnics() {
 							port=1;	
 						fi
 					  fi;;
+				*)
+					continue;
 				esac;;
+			*)
+				continue;
 			esac
 		fi
 		pchid="`cat pchid | sed 's/^0x//'`";

smc_rnics.8

@@ -52,7 +52,8 @@ usage information.
 Display IB device information.
 .TP
 .BR "\-r, \-\-rawids"
-Display raw PCI vendor and device codes in column
+Display raw PCI vendor and device codes in column. Note that this will
+also toggle display of non-networking realted devices.
 .I Type
 . .
 .TP