From ab57edb8d27ddf0fb30cd0f4ae5290c06f301599 Mon Sep 17 00:00:00 2001 From: Florin Coras Date: Tue, 7 Apr 2020 03:46:07 +0000 Subject: udp session: allow dgram ip fragmentation Type: improvement Signed-off-by: Florin Coras Change-Id: Ida8f9e759b4990ea6e34e71dc45bdb3b5eabc27f --- src/vnet/udp/udp.c | 13 +++++-------- src/vnet/udp/udp.h | 7 +++---- 2 files changed, 8 insertions(+), 12 deletions(-) (limited to 'src/vnet/udp') diff --git a/src/vnet/udp/udp.c b/src/vnet/udp/udp.c index daab453f43d..8f26b57bb3f 100644 --- a/src/vnet/udp/udp.c +++ b/src/vnet/udp/udp.c @@ -241,15 +241,12 @@ udp_push_header (transport_connection_t * tc, vlib_buffer_t * b) vlib_buffer_push_udp (b, uc->c_lcl_port, uc->c_rmt_port, 1); if (tc->is_ip4) - vlib_buffer_push_ip4 (vm, b, &uc->c_lcl_ip4, &uc->c_rmt_ip4, - IP_PROTOCOL_UDP, 1); + vlib_buffer_push_ip4_custom (vm, b, &uc->c_lcl_ip4, &uc->c_rmt_ip4, + IP_PROTOCOL_UDP, 1 /* csum offload */ , + 0 /* is_df */ ); else - { - ip6_header_t *ih; - ih = vlib_buffer_push_ip6 (vm, b, &uc->c_lcl_ip6, &uc->c_rmt_ip6, - IP_PROTOCOL_UDP); - vnet_buffer (b)->l3_hdr_offset = (u8 *) ih - b->data; - } + vlib_buffer_push_ip6 (vm, b, &uc->c_lcl_ip6, &uc->c_rmt_ip6, + IP_PROTOCOL_UDP); vnet_buffer (b)->sw_if_index[VLIB_RX] = 0; vnet_buffer (b)->sw_if_index[VLIB_TX] = uc->c_fib_index; b->flags |= VNET_BUFFER_F_LOCALLY_ORIGINATED; diff --git a/src/vnet/udp/udp.h b/src/vnet/udp/udp.h index f7985c928c2..ddc9a0eb27d 100644 --- a/src/vnet/udp/udp.h +++ b/src/vnet/udp/udp.h @@ -308,10 +308,9 @@ vlib_buffer_push_udp (vlib_buffer_t * b, u16 sp, u16 dp, u8 offload_csum) uh->checksum = 0; uh->length = clib_host_to_net_u16 (udp_len); if (offload_csum) - { - b->flags |= VNET_BUFFER_F_OFFLOAD_UDP_CKSUM; - vnet_buffer (b)->l4_hdr_offset = (u8 *) uh - b->data; - } + b->flags |= VNET_BUFFER_F_OFFLOAD_UDP_CKSUM; + vnet_buffer (b)->l4_hdr_offset = (u8 *) uh - b->data; + b->flags |= VNET_BUFFER_F_L4_HDR_OFFSET_VALID; return uh; } -- cgit 1.2.3-korg