diff options
author | 2017-06-16 22:06:00 +0200 | |
---|---|---|
committer | 2017-06-19 19:09:50 +0000 | |
commit | 45ca2c7a9c0835e1b5d5641ca230f720b49e8cf4 (patch) | |
tree | eff8c6f1f710f7f051b8b1b97da8ca1947b3fa0e /src/plugins/memif/memif.c | |
parent | f03a59ab008908f98fd7d1b187a8c0fb78b01add (diff) |
memif: add ip mode
In IP mode memif interface is L3 point-to-point interfaces and
we don't pass l2 header. There is no l2 header rewrite operation and
received packets are sent straight to ip4-input / ip6-input nodes.
Change-Id: I4177f3fce3004da7ecf14d235006ae053fcf3f09
Signed-off-by: Damjan Marion <damarion@cisco.com>
Diffstat (limited to 'src/plugins/memif/memif.c')
-rw-r--r-- | src/plugins/memif/memif.c | 61 |
1 files changed, 45 insertions, 16 deletions
diff --git a/src/plugins/memif/memif.c b/src/plugins/memif/memif.c index d21a30eb..ec67023b 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); |