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authorNeale Ranns <nranns@cisco.com>2018-07-16 04:14:21 -0700
committerNeale Ranns <nranns@cisco.com>2018-07-23 08:34:24 +0000
commit9df8ffa0dcacc5705e6f3fbcd8b7e1d713a77f23 (patch)
tree8b8236b5df5802d2f9a47b05f10bfe1ccab71ece /src
parentca23c3ea16f133968d9a6c48089656a963af5590 (diff)
QoS: marking and recording for MPLS and VLAN
Change-Id: Icec79aa9039d5d7835d311fde0b7c1a0c76c9eb1 Signed-off-by: Neale Ranns <nranns@cisco.com> (cherry picked from commit 0809f6c0300f85cf5cf5d49df1aa8f1e2d080f6c)
Diffstat (limited to 'src')
-rw-r--r--src/vnet/ethernet/packet.h8
-rw-r--r--src/vnet/qos/qos_mark.c90
-rw-r--r--src/vnet/qos/qos_record.c187
3 files changed, 267 insertions, 18 deletions
diff --git a/src/vnet/ethernet/packet.h b/src/vnet/ethernet/packet.h
index 1a0506dc4d6..d70960b0f7b 100644
--- a/src/vnet/ethernet/packet.h
+++ b/src/vnet/ethernet/packet.h
@@ -146,6 +146,14 @@ ethernet_vlan_header_set_priority_net_order (ethernet_vlan_header_t * h,
bytes[0] |= (prio & 0x7) << 5;
}
+always_inline u8
+ethernet_vlan_header_get_priority_net_order (ethernet_vlan_header_t * h)
+{
+ u8 *bytes = (u8 *) (&h->priority_cfi_and_id);
+
+ return (bytes[0] >> 5);
+}
+
/* VLAN with ethertype first and vlan id second */
typedef struct
{
diff --git a/src/vnet/qos/qos_mark.c b/src/vnet/qos/qos_mark.c
index 5dc87e8ef81..0f569b766a6 100644
--- a/src/vnet/qos/qos_mark.c
+++ b/src/vnet/qos/qos_mark.c
@@ -36,7 +36,15 @@ qos_mark_ip_enable_disable (u32 sw_if_index, u8 enable)
void
qos_mark_vlan_enable_disable (u32 sw_if_index, u8 enable)
{
- vnet_feature_enable_disable ("interface-output", "vlan-qos-mark",
+ /*
+ * one cannot run a feature on a sub-interface, so we need
+ * to enable a feature on all the L3 output paths
+ */
+ vnet_feature_enable_disable ("ip6-output", "vlan-ip6-qos-mark",
+ sw_if_index, enable, NULL, 0);
+ vnet_feature_enable_disable ("ip4-output", "vlan-ip4-qos-mark",
+ sw_if_index, enable, NULL, 0);
+ vnet_feature_enable_disable ("mpls-output", "vlan-mpls-qos-mark",
sw_if_index, enable, NULL, 0);
}
@@ -239,8 +247,22 @@ mpls_qos_mark (vlib_main_t * vm, vlib_node_runtime_t * node,
}
static inline uword
-vlan_qos_mark (vlib_main_t * vm, vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+vlan_mpls_qos_mark (vlib_main_t * vm, vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
+{
+ return (qos_mark_inline (vm, node, frame, QOS_SOURCE_VLAN, 0));
+}
+
+static inline uword
+vlan_ip4_qos_mark (vlib_main_t * vm, vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
+{
+ return (qos_mark_inline (vm, node, frame, QOS_SOURCE_VLAN, 0));
+}
+
+static inline uword
+vlan_ip6_qos_mark (vlib_main_t * vm, vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
{
return (qos_mark_inline (vm, node, frame, QOS_SOURCE_VLAN, 0));
}
@@ -311,9 +333,10 @@ VNET_FEATURE_INIT (mpls_qos_mark_node, static) = {
.arc_name = "mpls-output",
.node_name = "mpls-qos-mark",
};
-VLIB_REGISTER_NODE (vlan_qos_mark_node) = {
- .function = vlan_qos_mark,
- .name = "vlan-qos-mark",
+
+VLIB_REGISTER_NODE (vlan_ip4_qos_mark_node) = {
+ .function = vlan_ip4_qos_mark,
+ .name = "vlan-ip4-qos-mark",
.vector_size = sizeof (u32),
.format_trace = format_qos_mark_trace,
.type = VLIB_NODE_TYPE_INTERNAL,
@@ -326,11 +349,58 @@ VLIB_REGISTER_NODE (vlan_qos_mark_node) = {
},
};
-VLIB_NODE_FUNCTION_MULTIARCH (vlan_qos_mark_node, vlan_qos_mark);
+VLIB_NODE_FUNCTION_MULTIARCH (vlan_ip4_qos_mark_node, vlan_ip4_qos_mark);
+
+VNET_FEATURE_INIT (vlan_ip4_qos_mark_node, static) = {
+ .arc_name = "ip4-output",
+ .node_name = "vlan-ip4-qos-mark",
+ .runs_after = VNET_FEATURES ("ip4-qos-mark"),
+};
+
+VLIB_REGISTER_NODE (vlan_ip6_qos_mark_node) = {
+ .function = vlan_ip6_qos_mark,
+ .name = "vlan-ip6-qos-mark",
+ .vector_size = sizeof (u32),
+ .format_trace = format_qos_mark_trace,
+ .type = VLIB_NODE_TYPE_INTERNAL,
+
+ .n_errors = 0,
+ .n_next_nodes = 1,
-VNET_FEATURE_INIT (vlan_qos_mark_node, static) = {
- .arc_name = "interface-output",
- .node_name = "vlan-qos-mark",
+ .next_nodes = {
+ [0] = "error-drop",
+ },
+};
+
+VLIB_NODE_FUNCTION_MULTIARCH (vlan_ip6_qos_mark_node, vlan_ip6_qos_mark);
+
+VNET_FEATURE_INIT (vlan_ip6_qos_mark_node, static) = {
+ .arc_name = "ip6-output",
+ .node_name = "vlan-ip6-qos-mark",
+ .runs_after = VNET_FEATURES ("ip6-qos-mark"),
+};
+
+VLIB_REGISTER_NODE (vlan_mpls_qos_mark_node) = {
+ .function = vlan_mpls_qos_mark,
+ .name = "vlan-mpls-qos-mark",
+ .vector_size = sizeof (u32),
+ .format_trace = format_qos_mark_trace,
+ .type = VLIB_NODE_TYPE_INTERNAL,
+
+ .n_errors = 0,
+ .n_next_nodes = 1,
+
+ .next_nodes = {
+ [0] = "error-drop",
+ },
+};
+
+VLIB_NODE_FUNCTION_MULTIARCH (vlan_mpls_qos_mark_node, vlan_mpls_qos_mark);
+
+VNET_FEATURE_INIT (vlan_mpls_qos_mark_node, static) = {
+ .arc_name = "mpls-output",
+ .node_name = "vlan-mpls-qos-mark",
+ .runs_after = VNET_FEATURES ("mpls-qos-mark"),
};
/* *INDENT-ON* */
diff --git a/src/vnet/qos/qos_record.c b/src/vnet/qos/qos_record.c
index 7181e3bf599..92620458f08 100644
--- a/src/vnet/qos/qos_record.c
+++ b/src/vnet/qos/qos_record.c
@@ -44,9 +44,23 @@ qos_record_feature_config (u32 sw_if_index,
enable);
break;
case QOS_SOURCE_MPLS:
+ vnet_feature_enable_disable ("mpls-input", "mpls-qos-record",
+ sw_if_index, enable, NULL, 0);
+ break;
case QOS_SOURCE_VLAN:
+ vnet_feature_enable_disable ("ip6-unicast", "vlan-ip6-qos-record",
+ sw_if_index, enable, NULL, 0);
+ vnet_feature_enable_disable ("ip6-multicast", "vlan-ip6-qos-record",
+ sw_if_index, enable, NULL, 0);
+ vnet_feature_enable_disable ("ip4-unicast", "vlan-ip4-qos-record",
+ sw_if_index, enable, NULL, 0);
+ vnet_feature_enable_disable ("ip4-multicast", "vlan-ip4-qos-record",
+ sw_if_index, enable, NULL, 0);
+ vnet_feature_enable_disable ("mpls-input", "vlan-mpls-qos-record",
+ sw_if_index, enable, NULL, 0);
+ break;
case QOS_SOURCE_EXT:
- // not implemented yet
+ /* not a valid option for recording */
break;
}
}
@@ -119,7 +133,7 @@ typedef struct qos_record_trace_t_
static inline uword
qos_record_inline (vlib_main_t * vm,
vlib_node_runtime_t * node,
- vlib_frame_t * frame, int is_ip6, int is_l2)
+ vlib_frame_t * frame, dpo_proto_t dproto, int is_l2)
{
u32 n_left_from, *from, *to_next, next_index;
@@ -164,23 +178,42 @@ qos_record_inline (vlib_main_t * vm,
ethertype = clib_net_to_host_u16 (*(u16 *) (l3h - 2));
if (ethertype == ETHERNET_TYPE_IP4)
- is_ip6 = 0;
+ dproto = DPO_PROTO_IP4;
else if (ethertype == ETHERNET_TYPE_IP6)
- is_ip6 = 1;
+ dproto = DPO_PROTO_IP6;
+ else if (ethertype == ETHERNET_TYPE_MPLS)
+ dproto = DPO_PROTO_MPLS;
else
goto non_ip;
}
- if (is_ip6)
+ if (DPO_PROTO_IP6 == dproto)
{
ip6_0 = vlib_buffer_get_current (b0);
qos0 = ip6_traffic_class_network_order (ip6_0);
}
- else
+ else if (DPO_PROTO_IP4 == dproto)
{
ip4_0 = vlib_buffer_get_current (b0);
qos0 = ip4_0->tos;
}
+ else if (DPO_PROTO_ETHERNET == dproto)
+ {
+ ethernet_vlan_header_t *vlan0;
+
+ vlan0 = (vlib_buffer_get_current (b0) -
+ sizeof (ethernet_vlan_header_t));
+
+ qos0 = ethernet_vlan_header_get_priority_net_order (vlan0);
+ }
+ else if (DPO_PROTO_MPLS)
+ {
+ mpls_unicast_header_t *mh;
+
+ mh = vlib_buffer_get_current (b0);
+ qos0 = vnet_mpls_uc_get_exp (mh->label_exp_s_ttl);
+ }
+
vnet_buffer2 (b0)->qos.bits = qos0;
vnet_buffer2 (b0)->qos.source = QOS_SOURCE_IP;
b0->flags |= VNET_BUFFER_F_QOS_DATA_VALID;
@@ -234,14 +267,42 @@ static inline uword
ip4_qos_record (vlib_main_t * vm, vlib_node_runtime_t * node,
vlib_frame_t * frame)
{
- return (qos_record_inline (vm, node, frame, 0, 0));
+ return (qos_record_inline (vm, node, frame, DPO_PROTO_IP4, 0));
}
static inline uword
ip6_qos_record (vlib_main_t * vm, vlib_node_runtime_t * node,
vlib_frame_t * frame)
{
- return (qos_record_inline (vm, node, frame, 1, 0));
+ return (qos_record_inline (vm, node, frame, DPO_PROTO_IP6, 0));
+}
+
+static inline uword
+mpls_qos_record (vlib_main_t * vm, vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
+{
+ return (qos_record_inline (vm, node, frame, DPO_PROTO_MPLS, 0));
+}
+
+static inline uword
+vlan_ip4_qos_record (vlib_main_t * vm, vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
+{
+ return (qos_record_inline (vm, node, frame, DPO_PROTO_ETHERNET, 0));
+}
+
+static inline uword
+vlan_ip6_qos_record (vlib_main_t * vm, vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
+{
+ return (qos_record_inline (vm, node, frame, DPO_PROTO_ETHERNET, 0));
+}
+
+static inline uword
+vlan_mpls_qos_record (vlib_main_t * vm, vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
+{
+ return (qos_record_inline (vm, node, frame, DPO_PROTO_ETHERNET, 0));
}
static inline uword
@@ -273,6 +334,10 @@ VNET_FEATURE_INIT (ip4_qos_record_node, static) = {
.arc_name = "ip4-unicast",
.node_name = "ip4-qos-record",
};
+VNET_FEATURE_INIT (ip4m_qos_record_node, static) = {
+ .arc_name = "ip4-multicast",
+ .node_name = "ip4-qos-record",
+};
VLIB_REGISTER_NODE (ip6_qos_record_node) = {
.function = ip6_qos_record,
@@ -295,6 +360,111 @@ VNET_FEATURE_INIT (ip6_qos_record_node, static) = {
.arc_name = "ip6-unicast",
.node_name = "ip6-qos-record",
};
+VNET_FEATURE_INIT (ip6m_qos_record_node, static) = {
+ .arc_name = "ip6-multicast",
+ .node_name = "ip6-qos-record",
+};
+
+VLIB_REGISTER_NODE (mpls_qos_record_node) = {
+ .function = mpls_qos_record,
+ .name = "mpls-qos-record",
+ .vector_size = sizeof (u32),
+ .format_trace = format_qos_record_trace,
+ .type = VLIB_NODE_TYPE_INTERNAL,
+
+ .n_errors = 0,
+ .n_next_nodes = 1,
+
+ .next_nodes = {
+ [0] = "mpls-drop",
+ },
+};
+
+VLIB_NODE_FUNCTION_MULTIARCH (mpls_qos_record_node, mpls_qos_record);
+
+VNET_FEATURE_INIT (mpls_qos_record_node, static) = {
+ .arc_name = "mpls-input",
+ .node_name = "mpls-qos-record",
+};
+
+VLIB_REGISTER_NODE (vlan_mpls_qos_record_node) = {
+ .function = vlan_mpls_qos_record,
+ .name = "vlan-mpls-qos-record",
+ .vector_size = sizeof (u32),
+ .format_trace = format_qos_record_trace,
+ .type = VLIB_NODE_TYPE_INTERNAL,
+
+ .n_errors = 0,
+ .n_next_nodes = 1,
+
+ .next_nodes = {
+ [0] = "mpls-drop",
+ },
+};
+
+VLIB_NODE_FUNCTION_MULTIARCH (vlan_mpls_qos_record_node, vlan_mpls_qos_record);
+
+VNET_FEATURE_INIT (vlan_mpls_qos_record_node, static) = {
+ .arc_name = "mpls-input",
+ .node_name = "vlan-mpls-qos-record",
+ .runs_before = VNET_FEATURES ("mpls-qos-mark"),
+};
+
+VLIB_REGISTER_NODE (vlan_ip4_qos_record_node) = {
+ .function = vlan_ip4_qos_record,
+ .name = "vlan-ip4-qos-record",
+ .vector_size = sizeof (u32),
+ .format_trace = format_qos_record_trace,
+ .type = VLIB_NODE_TYPE_INTERNAL,
+
+ .n_errors = 0,
+ .n_next_nodes = 1,
+
+ .next_nodes = {
+ [0] = "ip4-drop",
+ },
+};
+
+VLIB_NODE_FUNCTION_MULTIARCH (vlan_ip4_qos_record_node, vlan_ip4_qos_record);
+
+VNET_FEATURE_INIT (vlan_ip4_qos_record_node, static) = {
+ .arc_name = "ip4-unicast",
+ .node_name = "vlan-ip4-qos-record",
+ .runs_before = VNET_FEATURES ("ip4-qos-mark"),
+};
+VNET_FEATURE_INIT (vlan_ip4m_qos_record_node, static) = {
+ .arc_name = "ip4-multicast",
+ .node_name = "vlan-ip4-qos-record",
+ .runs_before = VNET_FEATURES ("ip4-qos-mark"),
+};
+
+VLIB_REGISTER_NODE (vlan_ip6_qos_record_node) = {
+ .function = vlan_ip6_qos_record,
+ .name = "vlan-ip6-qos-record",
+ .vector_size = sizeof (u32),
+ .format_trace = format_qos_record_trace,
+ .type = VLIB_NODE_TYPE_INTERNAL,
+
+ .n_errors = 0,
+ .n_next_nodes = 1,
+
+ .next_nodes = {
+ [0] = "ip6-drop",
+ },
+};
+
+VLIB_NODE_FUNCTION_MULTIARCH (vlan_ip6_qos_record_node, vlan_ip6_qos_record);
+
+VNET_FEATURE_INIT (vlan_ip6_qos_record_node, static) = {
+ .arc_name = "ip6-unicast",
+ .node_name = "vlan-ip6-qos-record",
+ .runs_before = VNET_FEATURES ("ip6-qos-mark"),
+};
+VNET_FEATURE_INIT (vlan_ip6m_qos_record_node, static) = {
+ .arc_name = "ip6-multicast",
+ .node_name = "vlan-ip6-qos-record",
+ .runs_before = VNET_FEATURES ("ip6-qos-mark"),
+};
VLIB_REGISTER_NODE (l2_ip_qos_record_node, static) = {
.function = l2_ip_qos_record,
@@ -313,6 +483,7 @@ VLIB_REGISTER_NODE (l2_ip_qos_record_node, static) = {
};
VLIB_NODE_FUNCTION_MULTIARCH (l2_ip_qos_record_node, l2_ip_qos_record);
+
/* *INDENT-ON* */
clib_error_t *