diff options
| author |   Neale Ranns <neale@graphiant.com> | 2021-06-03 14:43:21 +0000 |
|---|---|---|
| committer |   Ole Tr�an <otroan@employees.org> | 2021-06-14 13:12:34 +0000 |
| commit | 6197cb730e1571ca69859489c0ae7ea90a5c5fd4 (patch) | |
| tree | 769f178533896318ed98c0014987169d24db94db /src/vnet/pg/stream.c | |
| parent | 52c33d60bc63626d400067e38ab0af312fdb8594 (diff) | |
pg: A Tunnel mode variant of a pg interface
Type: feature
this allows VPP to simulate linux tun devices.
Signed-off-by: Neale Ranns <neale@graphiant.com>
Change-Id: I3adf38b49a254804370f78edd5d275d192fd00a6
Diffstat (limited to 'src/vnet/pg/stream.c')
| -rw-r--r-- | src/vnet/pg/stream.c | 46 |
1 files changed, 39 insertions, 7 deletions
diff --git a/src/vnet/pg/stream.c b/src/vnet/pg/stream.c index 0ce640bf13f..686627b8d9a 100644 --- a/src/vnet/pg/stream.c +++ b/src/vnet/pg/stream.c @@ -229,9 +229,29 @@ pg_interface_enable_disable_coalesce (pg_interface_t * pi, u8 enable, } } +u8 * +format_pg_tun_tx_trace (u8 *s, va_list *args) +{ + CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *); + CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *); + + s = format (s, "PG: tunnel (no-encap)"); + return s; +} + +VNET_HW_INTERFACE_CLASS (pg_tun_hw_interface_class) = { + .name = "PG-tun", + //.format_header = format_gre_header_with_length, + //.unformat_header = unformat_gre_header, + .build_rewrite = NULL, + //.update_adjacency = gre_update_adj, + .flags = VNET_HW_INTERFACE_CLASS_FLAG_P2P, +}; + u32 -pg_interface_add_or_get (pg_main_t * pg, uword if_id, u8 gso_enabled, - u32 gso_size, u8 coalesce_enabled) +pg_interface_add_or_get (pg_main_t *pg, uword if_id, u8 gso_enabled, + u32 gso_size, u8 coalesce_enabled, + pg_interface_mode_t mode) { vnet_main_t *vnm = vnet_get_main (); vlib_main_t *vm = vlib_get_main (); @@ -262,8 +282,20 @@ pg_interface_add_or_get (pg_main_t * pg, uword if_id, u8 gso_enabled, hw_addr[1] = 0xfe; pi->id = if_id; - ethernet_register_interface (vnm, pg_dev_class.index, i, hw_addr, - &pi->hw_if_index, pg_eth_flag_change); + pi->mode = mode; + + switch (pi->mode) + { + case PG_MODE_ETHERNET: + ethernet_register_interface (vnm, pg_dev_class.index, i, hw_addr, + &pi->hw_if_index, pg_eth_flag_change); + break; + case PG_MODE_IP4: + case PG_MODE_IP6: + pi->hw_if_index = vnet_register_interface ( + vnm, pg_dev_class.index, i, pg_tun_hw_interface_class.index, i); + break; + } hi = vnet_get_hw_interface (vnm, pi->hw_if_index); if (gso_enabled) { @@ -510,9 +542,9 @@ pg_stream_add (pg_main_t * pg, pg_stream_t * s_init) } /* Find an interface to use. */ - s->pg_if_index = - pg_interface_add_or_get (pg, s->if_id, 0 /* gso_enabled */ , - 0 /* gso_size */ , 0 /* coalesce_enabled */ ); + s->pg_if_index = pg_interface_add_or_get ( + pg, s->if_id, 0 /* gso_enabled */, 0 /* gso_size */, + 0 /* coalesce_enabled */, PG_MODE_ETHERNET); if (s->sw_if_index[VLIB_RX] == ~0) { |