diff options
| author |   Mohsin Kazmi <sykazmi@cisco.com> | 2019-12-25 00:12:52 +0100 |
|---|---|---|
| committer |   Andrew Yourtchenko <ayourtch@gmail.com> | 2020-01-02 12:50:19 +0000 |
| commit | 222b709ad97a837b59703c64cfac317f22fa1b46 (patch) | |
| tree | 5ab16b9548faeef9fc2a85d65484c5b1f88a66db /src/vnet/gso | |
| parent | 7ade2f51ada560c37d8ac4760f232379deb0afc5 (diff) | |
gso: fix number of buffers required for segmentation
Type: fix
Change-Id: I73ef0ce81b2d6a799f6a6e59908ec24cc2290a2c
Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com>
Diffstat (limited to 'src/vnet/gso')
| -rw-r--r-- | src/vnet/gso/node.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/src/vnet/gso/node.c b/src/vnet/gso/node.c index d7248c90147..a48a8b69a23 100644 --- a/src/vnet/gso/node.c +++ b/src/vnet/gso/node.c @@ -55,10 +55,11 @@ static_always_inline u16 tso_alloc_tx_bufs (vlib_main_t * vm, vnet_interface_per_thread_data_t * ptd, vlib_buffer_t * b0, u32 n_bytes_b0, u16 l234_sz, - u16 gso_size) + u16 gso_size, gso_header_offset_t * gho) { u16 size = - clib_min (gso_size, vlib_buffer_get_default_data_size (vm) - l234_sz); + clib_min (gso_size, vlib_buffer_get_default_data_size (vm) - l234_sz + - gho->l2_hdr_offset); /* rounded-up division */ u16 n_bufs = (n_bytes_b0 - l234_sz + (size - 1)) / size; @@ -170,7 +171,7 @@ tso_segment_buffer (vlib_main_t * vm, vnet_interface_per_thread_data_t * ptd, next_tcp_seq += first_data_size; if (PREDICT_FALSE - (!tso_alloc_tx_bufs (vm, ptd, sb0, n_bytes_b0, l234_sz, gso_size))) + (!tso_alloc_tx_bufs (vm, ptd, sb0, n_bytes_b0, l234_sz, gso_size, gho))) return 0; vlib_buffer_t *b0 = vlib_get_buffer (vm, ptd->split_buffers[0]); |