diff options
Diffstat (limited to 'drivers/crypto/marvell/octeontx2/otx2_cptlf.h')
| -rw-r--r-- | drivers/crypto/marvell/octeontx2/otx2_cptlf.h | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/drivers/crypto/marvell/octeontx2/otx2_cptlf.h b/drivers/crypto/marvell/octeontx2/otx2_cptlf.h index b691b6c1d5c4..4fcaf61a70e3 100644 --- a/drivers/crypto/marvell/octeontx2/otx2_cptlf.h +++ b/drivers/crypto/marvell/octeontx2/otx2_cptlf.h @@ -26,12 +26,22 @@ */ #define OTX2_CPT_INST_QLEN_MSGS ((OTX2_CPT_SIZE_DIV40 - 1) * 40) +/* + * LDWB is getting incorrectly used when IQB_LDWB = 1 and CPT instruction + * queue has less than 320 free entries. So, increase HW instruction queue + * size by 320 and give 320 entries less for SW/NIX RX as a workaround. + */ +#define OTX2_CPT_INST_QLEN_EXTRA_BYTES (320 * OTX2_CPT_INST_SIZE) +#define OTX2_CPT_EXTRA_SIZE_DIV40 (320/40) + /* CPT instruction queue length in bytes */ -#define OTX2_CPT_INST_QLEN_BYTES (OTX2_CPT_SIZE_DIV40 * 40 * \ - OTX2_CPT_INST_SIZE) +#define OTX2_CPT_INST_QLEN_BYTES \ + ((OTX2_CPT_SIZE_DIV40 * 40 * OTX2_CPT_INST_SIZE) + \ + OTX2_CPT_INST_QLEN_EXTRA_BYTES) /* CPT instruction group queue length in bytes */ -#define OTX2_CPT_INST_GRP_QLEN_BYTES (OTX2_CPT_SIZE_DIV40 * 16) +#define OTX2_CPT_INST_GRP_QLEN_BYTES \ + ((OTX2_CPT_SIZE_DIV40 + OTX2_CPT_EXTRA_SIZE_DIV40) * 16) /* CPT FC length in bytes */ #define OTX2_CPT_Q_FC_LEN 128 @@ -179,7 +189,8 @@ static inline void otx2_cptlf_do_set_iqueue_size(struct otx2_cptlf_info *lf) { union otx2_cptx_lf_q_size lf_q_size = { .u = 0x0 }; - lf_q_size.s.size_div40 = OTX2_CPT_SIZE_DIV40; + lf_q_size.s.size_div40 = OTX2_CPT_SIZE_DIV40 + + OTX2_CPT_EXTRA_SIZE_DIV40; otx2_cpt_write64(lf->lfs->reg_base, BLKADDR_CPT0, lf->slot, OTX2_CPT_LF_Q_SIZE, lf_q_size.u); } |