diff options
| author |   Florin Coras <fcoras@cisco.com> | 2022-10-18 18:37:56 -0700 |
|---|---|---|
| committer |   Dave Wallace <dwallacelf@gmail.com> | 2022-10-20 18:14:32 +0000 |
| commit | f8ee39ff715ec713045af69da465ba4da8248212 (patch) | |
| tree | b9625b2f2b3effaabaded647b06d6ba871d71d6a /src/vnet/udp/udp.c | |
| parent | 20de85b6da7e0b6dd0d73bc8358e7c67564d0c36 (diff) | |
udp: support for disabling tx csum
Type: feature
Signed-off-by: Florin Coras <fcoras@cisco.com>
Change-Id: I84843eb3a0a66c64cd46536624633e0dae1c4681
Diffstat (limited to 'src/vnet/udp/udp.c')
| -rw-r--r-- | src/vnet/udp/udp.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/vnet/udp/udp.c b/src/vnet/udp/udp.c index c919c958254..7851da8e91b 100644 --- a/src/vnet/udp/udp.c +++ b/src/vnet/udp/udp.c @@ -194,6 +194,8 @@ udp_session_bind (u32 session_index, transport_endpoint_cfg_t *lcl) else listener->c_flags |= TRANSPORT_CONNECTION_F_CLESS; clib_spinlock_init (&listener->rx_lock); + if (!um->csum_offload) + listener->cfg_flags |= UDP_CFG_F_NO_CSUM_OFFLOAD; udp_connection_register_port (lcl_port_ho, lcl->is_ip4); return listener->c_c_index; @@ -225,7 +227,8 @@ udp_session_get_listener (u32 listener_index) always_inline u32 udp_push_one_header (vlib_main_t *vm, udp_connection_t *uc, vlib_buffer_t *b) { - vlib_buffer_push_udp (b, uc->c_lcl_port, uc->c_rmt_port, 1); + vlib_buffer_push_udp (b, uc->c_lcl_port, uc->c_rmt_port, + udp_csum_offload (uc)); b->flags |= VNET_BUFFER_F_LOCALLY_ORIGINATED; /* reuse tcp medatada for now */ vnet_buffer (b)->tcp.connection_index = uc->c_c_index; @@ -405,6 +408,8 @@ conn_alloc: clib_spinlock_init (&uc->rx_lock); uc->c_flags |= TRANSPORT_CONNECTION_F_CLESS; } + if (!um->csum_offload) + uc->cfg_flags |= UDP_CFG_F_NO_CSUM_OFFLOAD; uc->next_node_index = rmt->next_node_index; uc->next_node_opaque = rmt->next_node_opaque; @@ -519,6 +524,7 @@ udp_init (vlib_main_t * vm) vlib_node_add_next (vm, udp6_local_node.index, udp6_input_node.index); um->default_mtu = 1500; + um->csum_offload = 1; return 0; } |