ligang/vpp
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

dpdk: fix cryptodev offset update

Browse Source 
Type: fix

This patch fixes the missed crypto and integ offset update for
every packet. Previously the offset is updated only when the
key is changed. This is ok for encryption but not always true
for decryption.

Signed-off-by: Fan Zhang <roy.fan.zhang@intel.com>
Change-Id: Iccd0011f4ae488746ce487a14b94ddd24fb0c07c
This commit is contained in:
Fan Zhang
2021-02-19 12:23:08 +00:00
committed by Matthew Smith
parent 26bcbc171b
commit 7f8d174678
1 changed files with 8 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/plugins/dpdk/cryptodev/cryptodev_dp_api.c
+8 -11
View File
@@ -472,7 +472,6 @@ cryptodev_frame_linked_algs_enqueue (vlib_main_t * vm,
u32 n_elts;
cryptodev_key_t *key;
u32 last_key_index = ~0;
union rte_crypto_sym_ofs cofs;
i16 min_ofs;
u32 max_end;
int status;
@@ -490,13 +489,11 @@ cryptodev_frame_linked_algs_enqueue (vlib_main_t * vm,
vec = cet->vec;
b = cet->b;
fe = frame->elts;
cofs.raw = compute_ofs_linked_alg (fe, &min_ofs, &max_end);
while (n_elts)
{
union rte_crypto_sym_ofs cofs;
u16 n_seg = 1;
if (n_elts > 2)
@@ -509,8 +506,6 @@ cryptodev_frame_linked_algs_enqueue (vlib_main_t * vm,
if (PREDICT_FALSE (last_key_index != fe->key_index))
{
cofs.raw = compute_ofs_linked_alg (fe, &min_ofs, &max_end);
key = pool_elt_at_index (cmt->keys, fe->key_index);
last_key_index = fe->key_index;
@@ -527,11 +522,13 @@ cryptodev_frame_linked_algs_enqueue (vlib_main_t * vm,
}
}
cofs.raw = compute_ofs_linked_alg (fe, &min_ofs, &max_end);
vec->len = max_end - min_ofs;
if (cmt->iova_mode == RTE_IOVA_VA)
{
vec->base = (void *) (b[0]->data + min_ofs);
vec->iova = pointer_to_uword (b[0]->data) + min_ofs;
vec[0].base = (void *) (b[0]->data + min_ofs);
vec[0].iova = pointer_to_uword (b[0]->data) + min_ofs;
iv_vec.va = (void *) fe->iv;
iv_vec.iova = pointer_to_uword (fe->iv);
digest_vec.va = (void *) fe->tag;
@@ -539,8 +536,8 @@ cryptodev_frame_linked_algs_enqueue (vlib_main_t * vm,
}
else
{
vec->base = (void *) (b[0]->data + min_ofs);
vec->iova = vlib_buffer_get_pa (vm, b[0]) + min_ofs;
vec[0].base = (void *) (b[0]->data + min_ofs);
vec[0].iova = vlib_buffer_get_pa (vm, b[0]) + min_ofs;
iv_vec.va = (void *) fe->iv;
iv_vec.iova = vlib_physmem_get_pa (vm, fe->iv);
digest_vec.va = (void *) fe->tag;
@@ -549,7 +546,7 @@ cryptodev_frame_linked_algs_enqueue (vlib_main_t * vm,
if (PREDICT_FALSE (fe->flags & VNET_CRYPTO_OP_FLAG_CHAINED_BUFFERS))
{
vec->len = b[0]->current_data + b[0]->current_length - min_ofs;
vec[0].len = b[0]->current_data + b[0]->current_length - min_ofs;
if (cryptodev_frame_build_sgl
(vm, cmt->iova_mode, vec, &n_seg, b[0],
max_end - min_ofs - vec->len) < 0)