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authorFlorin Coras <fcoras@cisco.com>2020-12-10 18:52:40 -0800
committerFlorin Coras <florin.coras@gmail.com>2020-12-29 21:04:39 +0000
commit14f066e95100cfdcd5f0531e35ba84b7b859a00a (patch)
tree53118cd229784f7a38bc5a4d06f2f3591d43c996 /src/vcl
parentb462418890240b2e38dbf522f9dd0196b79e0fa8 (diff)
svm vcl: allow random offsets for fifo segments in apps
Type: improvement Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: I1658a9c19d8eae4c9a42c0a111d4ad343b8eb8a4
Diffstat (limited to 'src/vcl')
-rw-r--r--src/vcl/vcl_private.c14
1 files changed, 5 insertions, 9 deletions
diff --git a/src/vcl/vcl_private.c b/src/vcl/vcl_private.c
index 5b412351c50..a140e5ea557 100644
--- a/src/vcl/vcl_private.c
+++ b/src/vcl/vcl_private.c
@@ -379,7 +379,6 @@ vcl_segment_attach_session (uword segment_handle, uword rxf_offset,
uword txf_offset, uword mq_offset, u8 is_ct,
vcl_session_t *s)
{
- svm_fifo_shared_t *rxsf, *txsf;
u32 fs_index, eqs_index;
svm_fifo_t *rxf, *txf;
fifo_segment_t *fs;
@@ -393,21 +392,18 @@ vcl_segment_attach_session (uword segment_handle, uword rxf_offset,
return -1;
}
- if (mq_offset != (uword) ~0)
+ if (!is_ct && mq_offset != (uword) ~0)
{
eqs_handle = vcl_vpp_worker_segment_handle (0);
eqs_index = vcl_segment_table_lookup (eqs_handle);
ASSERT (eqs_index != VCL_INVALID_SEGMENT_INDEX);
}
- rxsf = uword_to_pointer (rxf_offset, svm_fifo_shared_t *);
- txsf = uword_to_pointer (txf_offset, svm_fifo_shared_t *);
-
clib_rwlock_reader_lock (&vcm->segment_table_lock);
fs = fifo_segment_get_segment (&vcm->segment_main, fs_index);
- rxf = fifo_segment_alloc_fifo_w_shared (fs, rxsf);
- txf = fifo_segment_alloc_fifo_w_shared (fs, txsf);
+ rxf = fifo_segment_alloc_fifo_w_offset (fs, rxf_offset);
+ txf = fifo_segment_alloc_fifo_w_offset (fs, txf_offset);
if (!is_ct && mq_offset != (uword) ~0)
{
@@ -420,8 +416,8 @@ vcl_segment_attach_session (uword segment_handle, uword rxf_offset,
if (!is_ct)
{
- rxsf->client_session_index = s->session_index;
- txsf->client_session_index = s->session_index;
+ rxf->shr->client_session_index = s->session_index;
+ txf->shr->client_session_index = s->session_index;
rxf->client_thread_index = vcl_get_worker_index ();
txf->client_thread_index = vcl_get_worker_index ();
s->rx_fifo = rxf;