struct roc_se_ctx roc_se_ctx;
} __rte_cache_aligned;
+static inline void
+cpt_pack_iv(uint8_t *iv_src, uint8_t *iv_dst)
+{
+ iv_dst[16] = iv_src[16];
+ /* pack the last 8 bytes of IV to 6 bytes.
+ * discard the 2 MSB bits of each byte
+ */
+ iv_dst[17] = (((iv_src[17] & 0x3f) << 2) | ((iv_src[18] >> 4) & 0x3));
+ iv_dst[18] = (((iv_src[18] & 0xf) << 4) | ((iv_src[19] >> 2) & 0xf));
+ iv_dst[19] = (((iv_src[19] & 0x3) << 6) | (iv_src[20] & 0x3f));
+
+ iv_dst[20] = (((iv_src[21] & 0x3f) << 2) | ((iv_src[22] >> 4) & 0x3));
+ iv_dst[21] = (((iv_src[22] & 0xf) << 4) | ((iv_src[23] >> 2) & 0xf));
+ iv_dst[22] = (((iv_src[23] & 0x3) << 6) | (iv_src[24] & 0x3f));
+}
+
+static inline void
+pdcp_iv_copy(uint8_t *iv_d, uint8_t *iv_s, const uint8_t pdcp_alg_type,
+ uint8_t pack_iv)
+{
+ uint32_t *iv_s_temp, iv_temp[4];
+ int j;
+
+ if (pdcp_alg_type == ROC_SE_PDCP_ALG_TYPE_SNOW3G) {
+ /*
+ * DPDK seems to provide it in form of IV3 IV2 IV1 IV0
+ * and BigEndian, MC needs it as IV0 IV1 IV2 IV3
+ */
+
+ iv_s_temp = (uint32_t *)iv_s;
+
+ for (j = 0; j < 4; j++)
+ iv_temp[j] = iv_s_temp[3 - j];
+ memcpy(iv_d, iv_temp, 16);
+ } else {
+ /* ZUC doesn't need a swap */
+ memcpy(iv_d, iv_s, 16);
+ if (pack_iv)
+ cpt_pack_iv(iv_s, iv_d);
+ }
+}
+
static __rte_always_inline int
cpt_mac_len_verify(struct rte_crypto_auth_xform *auth)
{
}
static __rte_always_inline int
-cpt_zuc_snow3g_enc_prep(uint32_t req_flags, uint64_t d_offs, uint64_t d_lens,
- struct roc_se_fc_params *params,
- struct cpt_inst_s *inst)
+cpt_zuc_snow3g_prep(uint32_t req_flags, uint64_t d_offs, uint64_t d_lens,
+ struct roc_se_fc_params *params, struct cpt_inst_s *inst)
{
uint32_t size;
int32_t inputlen, outputlen;
struct roc_se_ctx *se_ctx;
uint32_t mac_len = 0;
- uint8_t pdcp_alg_type, j;
- uint32_t encr_offset = 0, auth_offset = 0;
- uint32_t encr_data_len = 0, auth_data_len = 0;
- int flags, iv_len = 16;
+ uint8_t pdcp_alg_type;
+ uint32_t encr_offset, auth_offset;
+ uint32_t encr_data_len, auth_data_len;
+ int flags, iv_len;
uint64_t offset_ctrl;
uint64_t *offset_vaddr;
- uint32_t *iv_s, iv[4];
+ uint8_t *iv_s;
+ uint8_t pack_iv = 0;
union cpt_inst_w4 cpt_inst_w4;
se_ctx = params->ctx_buf.vaddr;
cpt_inst_w4.s.opcode_major = ROC_SE_MAJOR_OP_ZUC_SNOW3G;
- /* indicates CPTR ctx, operation type, KEY & IV mode from DPTR */
-
- cpt_inst_w4.s.opcode_minor = ((1 << 7) | (pdcp_alg_type << 5) |
- (0 << 4) | (0 << 3) | (flags & 0x7));
+ cpt_inst_w4.s.opcode_minor = se_ctx->template_w4.s.opcode_minor;
if (flags == 0x1) {
+ iv_s = params->auth_iv_buf;
+ iv_len = params->auth_iv_len;
+
+ if (iv_len == 25) {
+ iv_len -= 2;
+ pack_iv = 1;
+ }
+
/*
* Microcode expects offsets in bytes
* TODO: Rounding off
offset_ctrl = rte_cpu_to_be_64((uint64_t)auth_offset);
+ encr_data_len = 0;
+ encr_offset = 0;
} else {
+ iv_s = params->iv_buf;
+ iv_len = params->cipher_iv_len;
+
+ if (iv_len == 25) {
+ iv_len -= 2;
+ pack_iv = 1;
+ }
+
/* EEA3 or UEA2 */
/*
* Microcode expects offsets in bytes
/* iv offset is 0 */
offset_ctrl = rte_cpu_to_be_64((uint64_t)encr_offset << 16);
+
+ auth_data_len = 0;
+ auth_offset = 0;
}
if (unlikely((encr_offset >> 16) || (auth_offset >> 8))) {
return -1;
}
- /* IV */
- iv_s = (flags == 0x1) ? params->auth_iv_buf : params->iv_buf;
-
- if (pdcp_alg_type == ROC_SE_PDCP_ALG_TYPE_SNOW3G) {
- /*
- * DPDK seems to provide it in form of IV3 IV2 IV1 IV0
- * and BigEndian, MC needs it as IV0 IV1 IV2 IV3
- */
-
- for (j = 0; j < 4; j++)
- iv[j] = iv_s[3 - j];
- } else {
- /* ZUC doesn't need a swap */
- for (j = 0; j < 4; j++)
- iv[j] = iv_s[j];
- }
-
/*
* GP op header, lengths are expected in bits.
*/
cpt_inst_w4.s.dlen = inputlen + ROC_SE_OFF_CTRL_LEN;
- if (likely(iv_len)) {
- uint32_t *iv_d = (uint32_t *)((uint8_t *)offset_vaddr +
- ROC_SE_OFF_CTRL_LEN);
- memcpy(iv_d, iv, 16);
- }
+ uint8_t *iv_d = ((uint8_t *)offset_vaddr + ROC_SE_OFF_CTRL_LEN);
+ pdcp_iv_copy(iv_d, iv_s, pdcp_alg_type, pack_iv);
*offset_vaddr = offset_ctrl;
} else {
struct roc_se_sglist_comp *gather_comp;
struct roc_se_sglist_comp *scatter_comp;
uint8_t *in_buffer;
- uint32_t *iv_d;
+ uint8_t *iv_d;
/* save space for iv */
offset_vaddr = m_vaddr;
- m_vaddr = (uint8_t *)m_vaddr + ROC_SE_OFF_CTRL_LEN + iv_len;
+ m_vaddr = (uint8_t *)m_vaddr + ROC_SE_OFF_CTRL_LEN +
+ RTE_ALIGN_CEIL(iv_len, 8);
cpt_inst_w4.s.opcode_major |= (uint64_t)ROC_SE_DMA_MODE;
/* iv offset is 0 */
*offset_vaddr = offset_ctrl;
- iv_d = (uint32_t *)((uint8_t *)offset_vaddr +
- ROC_SE_OFF_CTRL_LEN);
- memcpy(iv_d, iv, 16);
+ iv_d = ((uint8_t *)offset_vaddr + ROC_SE_OFF_CTRL_LEN);
+ pdcp_iv_copy(iv_d, iv_s, pdcp_alg_type, pack_iv);
/* input data */
size = inputlen - iv_len;
return 0;
}
-static __rte_always_inline int
-cpt_zuc_snow3g_dec_prep(uint32_t req_flags, uint64_t d_offs, uint64_t d_lens,
- struct roc_se_fc_params *params,
- struct cpt_inst_s *inst)
-{
- uint32_t size;
- int32_t inputlen = 0, outputlen;
- struct roc_se_ctx *se_ctx;
- uint8_t pdcp_alg_type, iv_len = 16;
- uint32_t encr_offset;
- uint32_t encr_data_len;
- int flags;
- uint64_t *offset_vaddr;
- uint32_t *iv_s, iv[4], j;
- union cpt_inst_w4 cpt_inst_w4;
-
- /*
- * Microcode expects offsets in bytes
- * TODO: Rounding off
- */
- encr_offset = ROC_SE_ENCR_OFFSET(d_offs) / 8;
- encr_data_len = ROC_SE_ENCR_DLEN(d_lens);
-
- se_ctx = params->ctx_buf.vaddr;
- flags = se_ctx->zsk_flags;
- pdcp_alg_type = se_ctx->pdcp_alg_type;
-
- cpt_inst_w4.u64 = 0;
- cpt_inst_w4.s.opcode_major = ROC_SE_MAJOR_OP_ZUC_SNOW3G;
-
- /* indicates CPTR ctx, operation type, KEY & IV mode from DPTR */
-
- cpt_inst_w4.s.opcode_minor = ((1 << 7) | (pdcp_alg_type << 5) |
- (0 << 4) | (0 << 3) | (flags & 0x7));
-
- /* consider iv len */
- encr_offset += iv_len;
-
- inputlen = encr_offset + (RTE_ALIGN(encr_data_len, 8) / 8);
- outputlen = inputlen;
-
- /* IV */
- iv_s = params->iv_buf;
- if (pdcp_alg_type == ROC_SE_PDCP_ALG_TYPE_SNOW3G) {
- /*
- * DPDK seems to provide it in form of IV3 IV2 IV1 IV0
- * and BigEndian, MC needs it as IV0 IV1 IV2 IV3
- */
-
- for (j = 0; j < 4; j++)
- iv[j] = iv_s[3 - j];
- } else {
- /* ZUC doesn't need a swap */
- for (j = 0; j < 4; j++)
- iv[j] = iv_s[j];
- }
-
- /*
- * GP op header, lengths are expected in bits.
- */
- cpt_inst_w4.s.param1 = encr_data_len;
-
- /*
- * In cn9k, cn10k since we have a limitation of
- * IV & Offset control word not part of instruction
- * and need to be part of Data Buffer, we check if
- * head room is there and then only do the Direct mode processing
- */
- if (likely((req_flags & ROC_SE_SINGLE_BUF_INPLACE) &&
- (req_flags & ROC_SE_SINGLE_BUF_HEADROOM))) {
- void *dm_vaddr = params->bufs[0].vaddr;
-
- /* Use Direct mode */
-
- offset_vaddr = (uint64_t *)((uint8_t *)dm_vaddr -
- ROC_SE_OFF_CTRL_LEN - iv_len);
-
- /* DPTR */
- inst->dptr = (uint64_t)offset_vaddr;
-
- /* RPTR should just exclude offset control word */
- inst->rptr = (uint64_t)dm_vaddr - iv_len;
-
- cpt_inst_w4.s.dlen = inputlen + ROC_SE_OFF_CTRL_LEN;
-
- if (likely(iv_len)) {
- uint32_t *iv_d = (uint32_t *)((uint8_t *)offset_vaddr +
- ROC_SE_OFF_CTRL_LEN);
- memcpy(iv_d, iv, 16);
- }
-
- /* iv offset is 0 */
- *offset_vaddr = rte_cpu_to_be_64((uint64_t)encr_offset << 16);
- } else {
- void *m_vaddr = params->meta_buf.vaddr;
- uint32_t i, g_size_bytes, s_size_bytes;
- struct roc_se_sglist_comp *gather_comp;
- struct roc_se_sglist_comp *scatter_comp;
- uint8_t *in_buffer;
- uint32_t *iv_d;
-
- /* save space for offset and iv... */
- offset_vaddr = m_vaddr;
-
- m_vaddr = (uint8_t *)m_vaddr + ROC_SE_OFF_CTRL_LEN + iv_len;
-
- cpt_inst_w4.s.opcode_major |= (uint64_t)ROC_SE_DMA_MODE;
-
- /* DPTR has SG list */
- in_buffer = m_vaddr;
-
- ((uint16_t *)in_buffer)[0] = 0;
- ((uint16_t *)in_buffer)[1] = 0;
-
- /* TODO Add error check if space will be sufficient */
- gather_comp =
- (struct roc_se_sglist_comp *)((uint8_t *)m_vaddr + 8);
-
- /*
- * Input Gather List
- */
- i = 0;
-
- /* Offset control word */
-
- /* iv offset is 0 */
- *offset_vaddr = rte_cpu_to_be_64((uint64_t)encr_offset << 16);
-
- i = fill_sg_comp(gather_comp, i, (uint64_t)offset_vaddr,
- ROC_SE_OFF_CTRL_LEN + iv_len);
-
- iv_d = (uint32_t *)((uint8_t *)offset_vaddr +
- ROC_SE_OFF_CTRL_LEN);
- memcpy(iv_d, iv, 16);
-
- /* Add input data */
- size = inputlen - iv_len;
- if (size) {
- i = fill_sg_comp_from_iov(gather_comp, i,
- params->src_iov, 0, &size,
- NULL, 0);
- if (unlikely(size)) {
- plt_dp_err("Insufficient buffer space,"
- " size %d needed",
- size);
- return -1;
- }
- }
- ((uint16_t *)in_buffer)[2] = rte_cpu_to_be_16(i);
- g_size_bytes =
- ((i + 3) / 4) * sizeof(struct roc_se_sglist_comp);
-
- /*
- * Output Scatter List
- */
-
- i = 0;
- scatter_comp =
- (struct roc_se_sglist_comp *)((uint8_t *)gather_comp +
- g_size_bytes);
-
- /* IV */
- i = fill_sg_comp(scatter_comp, i,
- (uint64_t)offset_vaddr + ROC_SE_OFF_CTRL_LEN,
- iv_len);
-
- /* Add output data */
- size = outputlen - iv_len;
- if (size) {
- i = fill_sg_comp_from_iov(scatter_comp, i,
- params->dst_iov, 0, &size,
- NULL, 0);
-
- if (unlikely(size)) {
- plt_dp_err("Insufficient buffer space,"
- " size %d needed",
- size);
- return -1;
- }
- }
- ((uint16_t *)in_buffer)[3] = rte_cpu_to_be_16(i);
- s_size_bytes =
- ((i + 3) / 4) * sizeof(struct roc_se_sglist_comp);
-
- size = g_size_bytes + s_size_bytes + ROC_SE_SG_LIST_HDR_SIZE;
-
- /* This is DPTR len in case of SG mode */
- cpt_inst_w4.s.dlen = size;
-
- inst->dptr = (uint64_t)in_buffer;
- }
-
- if (unlikely((encr_offset >> 16))) {
- plt_dp_err("Offset not supported");
- plt_dp_err("enc_offset: %d", encr_offset);
- return -1;
- }
-
- inst->w4.u64 = cpt_inst_w4.u64;
-
- return 0;
-}
-
static __rte_always_inline int
cpt_kasumi_enc_prep(uint32_t req_flags, uint64_t d_offs, uint64_t d_lens,
struct roc_se_fc_params *params, struct cpt_inst_s *inst)
/* consider iv len */
encr_offset += iv_len;
- inputlen = iv_len + (RTE_ALIGN(encr_data_len, 8) / 8);
+ inputlen = encr_offset + (RTE_ALIGN(encr_data_len, 8) / 8);
outputlen = inputlen;
/* save space for offset ctrl & iv */
if (likely(fc_type == ROC_SE_FC_GEN)) {
ret = cpt_dec_hmac_prep(flags, d_offs, d_lens, fc_params, inst);
} else if (fc_type == ROC_SE_PDCP) {
- ret = cpt_zuc_snow3g_dec_prep(flags, d_offs, d_lens, fc_params,
- inst);
+ ret = cpt_zuc_snow3g_prep(flags, d_offs, d_lens, fc_params,
+ inst);
} else if (fc_type == ROC_SE_KASUMI) {
ret = cpt_kasumi_dec_prep(d_offs, d_lens, fc_params, inst);
}
if (likely(fc_type == ROC_SE_FC_GEN)) {
ret = cpt_enc_hmac_prep(flags, d_offs, d_lens, fc_params, inst);
} else if (fc_type == ROC_SE_PDCP) {
- ret = cpt_zuc_snow3g_enc_prep(flags, d_offs, d_lens, fc_params,
- inst);
+ ret = cpt_zuc_snow3g_prep(flags, d_offs, d_lens, fc_params,
+ inst);
} else if (fc_type == ROC_SE_KASUMI) {
ret = cpt_kasumi_enc_prep(flags, d_offs, d_lens, fc_params,
inst);
break;
case RTE_CRYPTO_CIPHER_ZUC_EEA3:
enc_type = ROC_SE_ZUC_EEA3;
- cipher_key_len = 16;
+ cipher_key_len = c_form->key.length;
zsk_flag = ROC_SE_ZS_EA;
break;
case RTE_CRYPTO_CIPHER_AES_XTS:
NULL)))
return -1;
+ if ((enc_type >= ROC_SE_ZUC_EEA3) && (enc_type <= ROC_SE_AES_CTR_EEA2))
+ roc_se_ctx_swap(&sess->roc_se_ctx);
return 0;
}
a_form->digest_length)))
return -1;
+ if ((auth_type >= ROC_SE_ZUC_EIA3) &&
+ (auth_type <= ROC_SE_AES_CMAC_EIA2))
+ roc_se_ctx_swap(&sess->roc_se_ctx);
+
return 0;
}
uint32_t iv_buf[4];
int ret;
+ fc_params.cipher_iv_len = sess->iv_length;
+ fc_params.auth_iv_len = sess->auth_iv_length;
+
if (likely(sess->iv_length)) {
flags |= ROC_SE_VALID_IV_BUF;
fc_params.iv_buf = rte_crypto_op_ctod_offset(cop, uint8_t *,
*/
d_offs = auth_range_off;
auth_range_off = 0;
+ params.auth_iv_len = sess->auth_iv_length;
params.auth_iv_buf = rte_crypto_op_ctod_offset(
cop, uint8_t *, sess->auth_iv_offset);
if (sess->zsk_flag == ROC_SE_K_F9) {