From: Andrew Yourtchenko Date: Wed, 19 Jun 2019 12:09:51 +0000 (+0000) Subject: interface: fix the incorrect sizes/offsets in the tso segmentation X-Git-Tag: v20.01-rc0~359 X-Git-Url: https://gerrit.fd.io/r/gitweb?a=commitdiff_plain;h=4f740c8f0085c0cd576744c00bf50a9d9b111470;p=vpp.git interface: fix the incorrect sizes/offsets in the tso segmentation The copying of the first segment copied too small amount of data. The copying of the second and subsequent segments used the wrong data offset - for the case of GSO enabled it starts from 12 bytes earlier. Change-Id: I3adc532c175babc1ca1e121c7e12e6cafbdb9974 Type: fix Ticket: VPP-1700 Signed-off-by: Andrew Yourtchenko --- diff --git a/src/vnet/interface_output.c b/src/vnet/interface_output.c index 28f44c3d42a..2a41271852a 100644 --- a/src/vnet/interface_output.c +++ b/src/vnet/interface_output.c @@ -352,7 +352,7 @@ tso_segment_buffer (vlib_main_t * vm, vnet_interface_per_thread_data_t * ptd, vlib_buffer_t *b0 = vlib_get_buffer (vm, ptd->split_buffers[0]); tso_init_buf_from_template_base (b0, sb0, default_bflags, - l4_hdr_sz + first_data_size); + l234_sz + first_data_size); u32 total_src_left = n_bytes_b0 - l234_sz - first_data_size; if (total_src_left) @@ -410,7 +410,7 @@ tso_segment_buffer (vlib_main_t * vm, vnet_interface_per_thread_data_t * ptd, csbi0 = next_bi; csb0 = vlib_get_buffer (vm, csbi0); src_left = csb0->current_length; - src_ptr = csb0->data; + src_ptr = vlib_buffer_get_current (csb0); } else {