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authorNikolay Aleksandrov <nikolay@cumulusnetworks.com>2016-02-03 04:04:36 +0100
committerDavid S. Miller <davem@davemloft.net>2016-02-07 20:30:45 +0100
commit103a8ad1fa3b261c78dfc842cb315defe9d40be0 (patch)
tree6d5a59bcdac0b7dec295944a26830752ea099935 /include
parentMerge branch 'sunvnet-tracepoints' (diff)
downloadlinux-103a8ad1fa3b261c78dfc842cb315defe9d40be0.tar.xz
linux-103a8ad1fa3b261c78dfc842cb315defe9d40be0.zip
ethtool: add speed/duplex validation functions
Add functions which check if the speed/duplex are defined. Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
-rw-r--r--include/uapi/linux/ethtool.h34
1 files changed, 34 insertions, 0 deletions
diff --git a/include/uapi/linux/ethtool.h b/include/uapi/linux/ethtool.h
index 57fa39005e79..b2e180181629 100644
--- a/include/uapi/linux/ethtool.h
+++ b/include/uapi/linux/ethtool.h
@@ -1319,11 +1319,45 @@ enum ethtool_sfeatures_retval_bits {
#define SPEED_UNKNOWN -1
+static inline int ethtool_validate_speed(__u32 speed)
+{
+ switch (speed) {
+ case SPEED_10:
+ case SPEED_100:
+ case SPEED_1000:
+ case SPEED_2500:
+ case SPEED_5000:
+ case SPEED_10000:
+ case SPEED_20000:
+ case SPEED_25000:
+ case SPEED_40000:
+ case SPEED_50000:
+ case SPEED_56000:
+ case SPEED_100000:
+ case SPEED_UNKNOWN:
+ return 1;
+ }
+
+ return 0;
+}
+
/* Duplex, half or full. */
#define DUPLEX_HALF 0x00
#define DUPLEX_FULL 0x01
#define DUPLEX_UNKNOWN 0xff
+static inline int ethtool_validate_duplex(__u8 duplex)
+{
+ switch (duplex) {
+ case DUPLEX_HALF:
+ case DUPLEX_FULL:
+ case DUPLEX_UNKNOWN:
+ return 1;
+ }
+
+ return 0;
+}
+
/* Which connector port. */
#define PORT_TP 0x00
#define PORT_AUI 0x01