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authorStefan Sørensen <stefan.sorensen@spectralink.com>2015-11-03 11:34:07 +0300
committerDavid S. Miller <davem@davemloft.net>2015-11-03 19:08:22 +0300
commit5f94c943d5dd4b51f3248193e622dd5fcdbb8b11 (patch)
treec773bfd331b79873c5f3ed9f1a44e00152ecb06f
parentccf6ee9a6980eff9ec0eeaa8f63c65bff34d9697 (diff)
downloadlinux-5f94c943d5dd4b51f3248193e622dd5fcdbb8b11.tar.xz
ptp: Change ptp_class to a proper bitmask
Change the definition of PTP_CLASS_L2 to not have any bits overlapping with the other defined protocol values, allowing the PTP_CLASS_* definitions to be for simple filtering on packet type. Signed-off-by: Stefan Sørensen <stefan.sorensen@spectralink.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--include/linux/ptp_classify.h7
-rw-r--r--net/core/ptp_classifier.c16
2 files changed, 12 insertions, 11 deletions
diff --git a/include/linux/ptp_classify.h b/include/linux/ptp_classify.h
index 159c987b1853..a079656b614c 100644
--- a/include/linux/ptp_classify.h
+++ b/include/linux/ptp_classify.h
@@ -32,9 +32,9 @@
#define PTP_CLASS_VMASK 0x0f /* max protocol version is 15 */
#define PTP_CLASS_IPV4 0x10 /* event in an IPV4 UDP packet */
#define PTP_CLASS_IPV6 0x20 /* event in an IPV6 UDP packet */
-#define PTP_CLASS_L2 0x30 /* event in a L2 packet */
-#define PTP_CLASS_PMASK 0x30 /* mask for the packet type field */
-#define PTP_CLASS_VLAN 0x40 /* event in a VLAN tagged packet */
+#define PTP_CLASS_L2 0x40 /* event in a L2 packet */
+#define PTP_CLASS_PMASK 0x70 /* mask for the packet type field */
+#define PTP_CLASS_VLAN 0x80 /* event in a VLAN tagged packet */
#define PTP_CLASS_V1_IPV4 (PTP_CLASS_V1 | PTP_CLASS_IPV4)
#define PTP_CLASS_V1_IPV6 (PTP_CLASS_V1 | PTP_CLASS_IPV6) /* probably DNE */
@@ -42,6 +42,7 @@
#define PTP_CLASS_V2_IPV6 (PTP_CLASS_V2 | PTP_CLASS_IPV6)
#define PTP_CLASS_V2_L2 (PTP_CLASS_V2 | PTP_CLASS_L2)
#define PTP_CLASS_V2_VLAN (PTP_CLASS_V2 | PTP_CLASS_VLAN)
+#define PTP_CLASS_L4 (PTP_CLASS_IPV4 | PTP_CLASS_IPV6)
#define PTP_EV_PORT 319
#define PTP_GEN_BIT 0x08 /* indicates general message, if set in message type */
diff --git a/net/core/ptp_classifier.c b/net/core/ptp_classifier.c
index 4eab4a94a59d..703cf76aa7c2 100644
--- a/net/core/ptp_classifier.c
+++ b/net/core/ptp_classifier.c
@@ -58,7 +58,7 @@
* jneq #0x0, drop_ieee1588 ; for PTP_GEN_BIT and drop these
* ldh [18] ; reload payload
* and #0xf ; mask PTP_CLASS_VMASK
- * or #0x70 ; PTP_CLASS_VLAN|PTP_CLASS_L2
+ * or #0xc0 ; PTP_CLASS_VLAN|PTP_CLASS_L2
* ret a ; return PTP class
*
* ; PTP over UDP over IPv4 over 802.1Q over Ethernet
@@ -73,7 +73,7 @@
* jneq #319, drop_8021q_ipv4 ; is port PTP_EV_PORT ?
* ldh [x + 26] ; load payload
* and #0xf ; mask PTP_CLASS_VMASK
- * or #0x50 ; PTP_CLASS_VLAN|PTP_CLASS_IPV4
+ * or #0x90 ; PTP_CLASS_VLAN|PTP_CLASS_IPV4
* ret a ; return PTP class
* drop_8021q_ipv4: ret #0x0 ; PTP_CLASS_NONE
*
@@ -86,7 +86,7 @@
* jneq #319, drop_8021q_ipv6 ; is port PTP_EV_PORT ?
* ldh [66] ; load payload
* and #0xf ; mask PTP_CLASS_VMASK
- * or #0x60 ; PTP_CLASS_VLAN|PTP_CLASS_IPV6
+ * or #0xa0 ; PTP_CLASS_VLAN|PTP_CLASS_IPV6
* ret a ; return PTP class
* drop_8021q_ipv6: ret #0x0 ; PTP_CLASS_NONE
*
@@ -98,7 +98,7 @@
* jneq #0x0, drop_ieee1588 ; for PTP_GEN_BIT and drop these
* ldh [14] ; reload payload
* and #0xf ; mask PTP_CLASS_VMASK
- * or #0x30 ; PTP_CLASS_L2
+ * or #0x40 ; PTP_CLASS_L2
* ret a ; return PTP class
* drop_ieee1588: ret #0x0 ; PTP_CLASS_NONE
*/
@@ -150,7 +150,7 @@ void __init ptp_classifier_init(void)
{ 0x15, 0, 35, 0x00000000 },
{ 0x28, 0, 0, 0x00000012 },
{ 0x54, 0, 0, 0x0000000f },
- { 0x44, 0, 0, 0x00000070 },
+ { 0x44, 0, 0, 0x000000c0 },
{ 0x16, 0, 0, 0x00000000 },
{ 0x15, 0, 12, 0x00000800 },
{ 0x30, 0, 0, 0x0000001b },
@@ -162,7 +162,7 @@ void __init ptp_classifier_init(void)
{ 0x15, 0, 4, 0x0000013f },
{ 0x48, 0, 0, 0x0000001a },
{ 0x54, 0, 0, 0x0000000f },
- { 0x44, 0, 0, 0x00000050 },
+ { 0x44, 0, 0, 0x00000090 },
{ 0x16, 0, 0, 0x00000000 },
{ 0x06, 0, 0, 0x00000000 },
{ 0x15, 0, 8, 0x000086dd },
@@ -172,7 +172,7 @@ void __init ptp_classifier_init(void)
{ 0x15, 0, 4, 0x0000013f },
{ 0x28, 0, 0, 0x00000042 },
{ 0x54, 0, 0, 0x0000000f },
- { 0x44, 0, 0, 0x00000060 },
+ { 0x44, 0, 0, 0x000000a0 },
{ 0x16, 0, 0, 0x00000000 },
{ 0x06, 0, 0, 0x00000000 },
{ 0x15, 0, 7, 0x000088f7 },
@@ -181,7 +181,7 @@ void __init ptp_classifier_init(void)
{ 0x15, 0, 4, 0x00000000 },
{ 0x28, 0, 0, 0x0000000e },
{ 0x54, 0, 0, 0x0000000f },
- { 0x44, 0, 0, 0x00000030 },
+ { 0x44, 0, 0, 0x00000040 },
{ 0x16, 0, 0, 0x00000000 },
{ 0x06, 0, 0, 0x00000000 },
};