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-rw-r--r--src/plugins/memif/cli.c5
-rw-r--r--src/plugins/memif/memif.c61
-rw-r--r--src/plugins/memif/node.c100
-rw-r--r--src/plugins/memif/socket.c1
4 files changed, 132 insertions, 35 deletions
diff --git a/src/plugins/memif/cli.c b/src/plugins/memif/cli.c
index 34c77def79a..8af761646a8 100644
--- a/src/plugins/memif/cli.c
+++ b/src/plugins/memif/cli.c
@@ -62,6 +62,8 @@ memif_create_command_fn (vlib_main_t * vm, unformat_input_t * input,
args.is_master = 1;
else if (unformat (line_input, "slave"))
args.is_master = 0;
+ else if (unformat (line_input, "mode ip"))
+ args.mode = MEMIF_INTERFACE_MODE_IP;
else if (unformat (line_input, "hw-addr %U",
unformat_ethernet_address, args.hw_addr))
args.hw_addr_set = 1;
@@ -107,7 +109,8 @@ VLIB_CLI_COMMAND (memif_create_command, static) = {
.path = "create memif",
.short_help = "create memif [id <id>] [socket <path>] "
"[ring-size <size>] [buffer-size <size>] [hw-addr <mac-address>] "
- "<master|slave> [rx-queues <number>] [tx-queues <number>]",
+ "<master|slave> [rx-queues <number>] [tx-queues <number>]"
+ "[mode ip]",
.function = memif_create_command_fn,
};
/* *INDENT-ON* */
diff --git a/src/plugins/memif/memif.c b/src/plugins/memif/memif.c
index d21a30eb061..ec67023b673 100644
--- a/src/plugins/memif/memif.c
+++ b/src/plugins/memif/memif.c
@@ -482,7 +482,10 @@ memif_delete_if (vlib_main_t * vm, memif_if_t * mif)
clib_error_free (err);
/* remove the interface */
- ethernet_delete_interface (vnm, mif->hw_if_index);
+ if (mif->mode == MEMIF_INTERFACE_MODE_IP)
+ vnet_delete_hw_interface (vnm, mif->hw_if_index);
+ else
+ ethernet_delete_interface (vnm, mif->hw_if_index);
mif->hw_if_index = ~0;
/* free interface data structures */
@@ -519,6 +522,14 @@ memif_delete_if (vlib_main_t * vm, memif_if_t * mif)
return 0;
}
+/* *INDENT-OFF* */
+VNET_HW_INTERFACE_CLASS (memif_ip_hw_if_class, static) =
+{
+ .name = "memif-ip",
+ .flags = VNET_HW_INTERFACE_CLASS_FLAG_P2P,
+};
+/* *INDENT-ON* */
+
int
memif_create_if (vlib_main_t * vm, memif_create_if_args_t * args)
{
@@ -614,28 +625,43 @@ memif_create_if (vlib_main_t * vm, memif_create_if_args_t * args)
mif->sw_if_index = mif->hw_if_index = mif->per_interface_next_index = ~0;
mif->conn_unix_file_index = ~0;
mif->conn_fd = -1;
+ mif->mode = args->mode;
if (args->secret)
mif->secret = vec_dup (args->secret);
if (tm->n_vlib_mains > 1)
clib_spinlock_init (&mif->lockp);
- if (!args->hw_addr_set)
+
+ if (mif->mode == MEMIF_INTERFACE_MODE_ETHERNET)
{
- f64 now = vlib_time_now (vm);
- u32 rnd;
- rnd = (u32) (now * 1e6);
- rnd = random_u32 (&rnd);
-
- memcpy (args->hw_addr + 2, &rnd, sizeof (rnd));
- args->hw_addr[0] = 2;
- args->hw_addr[1] = 0xfe;
- }
- error = ethernet_register_interface (vnm, memif_device_class.index,
- mif->dev_instance, args->hw_addr,
- &mif->hw_if_index,
- memif_eth_flag_change);
+ if (!args->hw_addr_set)
+ {
+ f64 now = vlib_time_now (vm);
+ u32 rnd;
+ rnd = (u32) (now * 1e6);
+ rnd = random_u32 (&rnd);
+
+ memcpy (args->hw_addr + 2, &rnd, sizeof (rnd));
+ args->hw_addr[0] = 2;
+ args->hw_addr[1] = 0xfe;
+ }
+ error = ethernet_register_interface (vnm, memif_device_class.index,
+ mif->dev_instance, args->hw_addr,
+ &mif->hw_if_index,
+ memif_eth_flag_change);
+ }
+ else if (mif->mode == MEMIF_INTERFACE_MODE_IP)
+ {
+ mif->hw_if_index =
+ vnet_register_interface (vnm, memif_device_class.index,
+ mif->dev_instance,
+ memif_ip_hw_if_class.index,
+ mif->dev_instance);
+ }
+ else
+ error = clib_error_return (0, "unsupported interface mode");
if (error)
{
@@ -725,7 +751,10 @@ memif_create_if (vlib_main_t * vm, memif_create_if_args_t * args)
error:
if (mif->hw_if_index != ~0)
{
- ethernet_delete_interface (vnm, mif->hw_if_index);
+ if (mif->mode == MEMIF_INTERFACE_MODE_IP)
+ vnet_delete_hw_interface (vnm, mif->hw_if_index);
+ else
+ ethernet_delete_interface (vnm, mif->hw_if_index);
mif->hw_if_index = ~0;
}
memif_delete_if (vm, mif);
diff --git a/src/plugins/memif/node.c b/src/plugins/memif/node.c
index c6403fef7f3..4acc714902e 100644
--- a/src/plugins/memif/node.c
+++ b/src/plugins/memif/node.c
@@ -30,7 +30,8 @@
#include <memif/memif.h>
#include <memif/private.h>
-#define foreach_memif_input_error
+#define foreach_memif_input_error \
+ _(NOT_IP, "not ip packet")
typedef enum
{
@@ -200,16 +201,33 @@ memif_copy_buffer_from_rx_ring (vlib_main_t * vm, memif_if_t * mif,
return (total_bytes);
}
+
+static_always_inline u32
+memif_next_from_ip_hdr (vlib_node_runtime_t * node, vlib_buffer_t * b)
+{
+ u8 *ptr = vlib_buffer_get_current (b);
+ u8 v = *ptr & 0xf0;
+
+ if (PREDICT_TRUE (v == 0x40))
+ return VNET_DEVICE_INPUT_NEXT_IP4_NCS_INPUT;
+ else if (PREDICT_TRUE (v == 0x60))
+ return VNET_DEVICE_INPUT_NEXT_IP6_INPUT;
+
+ b->error = node->errors[MEMIF_INPUT_ERROR_NOT_IP];
+ return VNET_DEVICE_INPUT_NEXT_DROP;
+}
+
static_always_inline uword
memif_device_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
vlib_frame_t * frame, memif_if_t * mif,
- memif_ring_type_t type, u16 qid)
+ memif_ring_type_t type, u16 qid,
+ memif_interface_mode_t mode)
{
vnet_main_t *vnm = vnet_get_main ();
memif_ring_t *ring;
memif_queue_t *mq;
u16 head;
- u32 next_index = VNET_DEVICE_INPUT_NEXT_ETHERNET_INPUT;
+ u32 next_index;
uword n_trace = vlib_get_trace_count (vm, node);
memif_main_t *nm = &memif_main;
u32 n_rx_packets = 0;
@@ -227,8 +245,14 @@ memif_device_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
ring_size = 1 << mq->log2_ring_size;
mask = ring_size - 1;
- if (mif->per_interface_next_index != ~0)
- next_index = mif->per_interface_next_index;
+ if (mode == MEMIF_INTERFACE_MODE_IP)
+ {
+ next_index = VNET_DEVICE_INPUT_NEXT_IP6_INPUT;
+ }
+ else
+ {
+ next_index = VNET_DEVICE_INPUT_NEXT_ETHERNET_INPUT;
+ }
n_free_bufs = vec_len (nm->rx_buffers[thread_index]);
if (PREDICT_FALSE (n_free_bufs < ring_size))
@@ -308,6 +332,24 @@ memif_device_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
to_next += 2;
n_left_to_next -= 2;
+
+ if (mode == MEMIF_INTERFACE_MODE_IP)
+ {
+ next0 = memif_next_from_ip_hdr (node, first_b0);
+ next1 = memif_next_from_ip_hdr (node, first_b1);
+ }
+ else if (mode == MEMIF_INTERFACE_MODE_ETHERNET)
+ {
+ if (PREDICT_FALSE (mif->per_interface_next_index != ~0))
+ next0 = next1 = mif->per_interface_next_index;
+ else
+ /* redirect if feature path
+ * enabled */
+ vnet_feature_start_device_input_x2 (mif->sw_if_index,
+ &next0, &next1,
+ first_b0, first_b1);
+ }
+
/* trace */
VLIB_BUFFER_TRACE_TRAJECTORY_INIT (first_b0);
VLIB_BUFFER_TRACE_TRAJECTORY_INIT (first_b1);
@@ -343,11 +385,6 @@ memif_device_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
}
}
- /* redirect if feature path enabled */
- vnet_feature_start_device_input_x2 (mif->sw_if_index,
- &next0, &next1, first_b0,
- first_b1);
-
/* enqueue */
vlib_validate_buffer_enqueue_x2 (vm, node, next_index, to_next,
n_left_to_next, first_bi0,
@@ -368,6 +405,21 @@ memif_device_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
&first_bi0, &bi0,
&num_slots);
+ if (mode == MEMIF_INTERFACE_MODE_IP)
+ {
+ next0 = memif_next_from_ip_hdr (node, first_b0);
+ }
+ else if (mode == MEMIF_INTERFACE_MODE_ETHERNET)
+ {
+ if (PREDICT_FALSE (mif->per_interface_next_index != ~0))
+ next0 = mif->per_interface_next_index;
+ else
+ /* redirect if feature path
+ * enabled */
+ vnet_feature_start_device_input_x1 (mif->sw_if_index,
+ &next0, first_b0);
+ }
+
/* trace */
VLIB_BUFFER_TRACE_TRAJECTORY_INIT (first_b0);
@@ -391,10 +443,6 @@ memif_device_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
to_next += 1;
n_left_to_next--;
- /* redirect if feature path enabled */
- vnet_feature_start_device_input_x1 (mif->sw_if_index, &next0,
- first_b0);
-
/* enqueue */
vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next,
n_left_to_next, first_bi0, next0);
@@ -433,11 +481,27 @@ memif_input_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
(mif->flags & MEMIF_IF_FLAG_CONNECTED))
{
if (mif->flags & MEMIF_IF_FLAG_IS_SLAVE)
- n_rx += memif_device_input_inline (vm, node, frame, mif,
- MEMIF_RING_M2S, dq->queue_id);
+ {
+ if (mif->mode == MEMIF_INTERFACE_MODE_IP)
+ n_rx += memif_device_input_inline (vm, node, frame, mif,
+ MEMIF_RING_M2S, dq->queue_id,
+ MEMIF_INTERFACE_MODE_IP);
+ else
+ n_rx += memif_device_input_inline (vm, node, frame, mif,
+ MEMIF_RING_M2S, dq->queue_id,
+ MEMIF_INTERFACE_MODE_ETHERNET);
+ }
else
- n_rx += memif_device_input_inline (vm, node, frame, mif,
- MEMIF_RING_S2M, dq->queue_id);
+ {
+ if (mif->mode == MEMIF_INTERFACE_MODE_IP)
+ n_rx += memif_device_input_inline (vm, node, frame, mif,
+ MEMIF_RING_S2M, dq->queue_id,
+ MEMIF_INTERFACE_MODE_IP);
+ else
+ n_rx += memif_device_input_inline (vm, node, frame, mif,
+ MEMIF_RING_S2M, dq->queue_id,
+ MEMIF_INTERFACE_MODE_ETHERNET);
+ }
}
}
diff --git a/src/plugins/memif/socket.c b/src/plugins/memif/socket.c
index d1a96db361e..a3c8d544b7d 100644
--- a/src/plugins/memif/socket.c
+++ b/src/plugins/memif/socket.c
@@ -132,6 +132,7 @@ memif_msg_enq_init (memif_if_t * mif)
e->fd = -1;
i->version = MEMIF_VERSION;
i->id = mif->id;
+ i->mode = mif->mode;
s = format (0, "VPP %s%c", VPP_BUILD_VER, 0);
strncpy ((char *) i->name, (char *) s, sizeof (i->name));
if (mif->secret)