diff options
Diffstat (limited to 'drivers/crypto/caam/caamalg_desc.c')
| -rw-r--r-- | drivers/crypto/caam/caamalg_desc.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/drivers/crypto/caam/caamalg_desc.c b/drivers/crypto/caam/caamalg_desc.c index 0eb2add7e4e2..7db1640d3577 100644 --- a/drivers/crypto/caam/caamalg_desc.c +++ b/drivers/crypto/caam/caamalg_desc.c @@ -1227,10 +1227,12 @@ EXPORT_SYMBOL(cnstr_shdsc_rfc4543_decap); * @ivsize: initialization vector size * @icvsize: integrity check value (ICV) size (truncated or full) * @encap: true if encapsulation, false if decapsulation + * @is_qi: true when called from caam/qi */ void cnstr_shdsc_chachapoly(u32 * const desc, struct alginfo *cdata, struct alginfo *adata, unsigned int ivsize, - unsigned int icvsize, const bool encap) + unsigned int icvsize, const bool encap, + const bool is_qi) { u32 *key_jump_cmd, *wait_cmd; u32 nfifo; @@ -1267,6 +1269,26 @@ void cnstr_shdsc_chachapoly(u32 * const desc, struct alginfo *cdata, OP_ALG_DECRYPT); } + if (is_qi) { + u32 *wait_load_cmd; + u32 ctx1_iv_off = is_ipsec ? 8 : 4; + + /* REG3 = assoclen */ + append_seq_load(desc, 4, LDST_CLASS_DECO | + LDST_SRCDST_WORD_DECO_MATH3 | + 4 << LDST_OFFSET_SHIFT); + + wait_load_cmd = append_jump(desc, JUMP_JSL | JUMP_TEST_ALL | + JUMP_COND_CALM | JUMP_COND_NCP | + JUMP_COND_NOP | JUMP_COND_NIP | + JUMP_COND_NIFP); + set_jump_tgt_here(desc, wait_load_cmd); + + append_seq_load(desc, ivsize, LDST_CLASS_1_CCB | + LDST_SRCDST_BYTE_CONTEXT | + ctx1_iv_off << LDST_OFFSET_SHIFT); + } + /* * MAGIC with NFIFO * Read associated data from the input and send them to class1 and |