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authorMohsin Kazmi <sykazmi@cisco.com>2020-08-26 11:07:48 +0200
committerMohsin Kazmi <sykazmi@cisco.com>2020-09-02 08:48:58 +0000
commit50bd16559933576ed632eff8757d5954e93e99ce (patch)
tree959bc4b4af435479f9123a7e06449b6a2d840cb3 /src/vnet/devices
parent1b6ed022e7a37fd1b35f2f9272cc4abc159d616d (diff)
tap: add virtio 1.1 API flag
Type: feature Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com> Change-Id: I3e00deb94943c545d1649865b2efdf7d51b90f4d
Diffstat (limited to 'src/vnet/devices')
-rw-r--r--src/vnet/devices/tap/cli.c6
-rw-r--r--src/vnet/devices/tap/tap.h4
-rw-r--r--src/vnet/devices/tap/tapv2.api2
3 files changed, 10 insertions, 2 deletions
diff --git a/src/vnet/devices/tap/cli.c b/src/vnet/devices/tap/cli.c
index fa5fa91e7a6..704cd18d729 100644
--- a/src/vnet/devices/tap/cli.c
+++ b/src/vnet/devices/tap/cli.c
@@ -100,6 +100,10 @@ tap_create_command_fn (vlib_main_t * vm, unformat_input_t * input,
args.tap_flags |= TAP_FLAG_ATTACH;
else if (unformat (line_input, "tun"))
args.tap_flags |= TAP_FLAG_TUN;
+ else if (unformat (line_input, "packed"))
+ args.tap_flags |= TAP_FLAG_PACKED;
+ else if (unformat (line_input, "in-order"))
+ args.tap_flags |= TAP_FLAG_IN_ORDER;
else if (unformat (line_input, "hw-addr %U",
unformat_ethernet_address, args.mac_addr.bytes))
args.mac_addr_set = 1;
@@ -141,7 +145,7 @@ VLIB_CLI_COMMAND (tap_create_command, static) = {
"[host-ip4-gw <ip4-addr>] [host-ip6-gw <ip6-addr>] "
"[host-mac-addr <host-mac-address>] [host-if-name <name>] "
"[host-mtu-size <size>] [no-gso|gso|csum-offload|gro-coalesce] "
- "[persist] [attach] [tun]",
+ "[persist] [attach] [tun] [packed] [in-order]",
.function = tap_create_command_fn,
};
/* *INDENT-ON* */
diff --git a/src/vnet/devices/tap/tap.h b/src/vnet/devices/tap/tap.h
index 93b5da51dc5..46f13a4e274 100644
--- a/src/vnet/devices/tap/tap.h
+++ b/src/vnet/devices/tap/tap.h
@@ -28,7 +28,9 @@
_ (PERSIST, 2) \
_ (ATTACH, 3) \
_ (TUN, 4) \
- _ (GRO_COALESCE, 5)
+ _ (GRO_COALESCE, 5) \
+ _ (PACKED, 6) \
+ _ (IN_ORDER, 7)
typedef enum
{
diff --git a/src/vnet/devices/tap/tapv2.api b/src/vnet/devices/tap/tapv2.api
index 94e1a7c00c2..6b6618411a6 100644
--- a/src/vnet/devices/tap/tapv2.api
+++ b/src/vnet/devices/tap/tapv2.api
@@ -32,6 +32,8 @@ enum tap_flags {
TAP_API_FLAG_ATTACH = 8, /* attach to the existing persistence interface after vpp crash/restart */
TAP_API_FLAG_TUN = 16, /* create TUN interface instead of tap */
TAP_API_FLAG_GRO_COALESCE = 32, /* enable packet coalescing on tx side, provided gso enabled */
+ TAP_API_FLAG_PACKED = 64 [backwards_compatible], /* enable packed ring support */
+ TAP_API_FLAG_IN_ORDER = 128 [backwards_compatible], /* enable in-order desc support */
};
/** \brief Initialize a new tap interface with the given parameters