@@ -1282,6 +1282,199 @@ cpt_zuc_snow3g_dec_prep(uint32_t req_flags, uint64_t d_offs, uint64_t d_lens,
}
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)
+{
+ void *m_vaddr = params->meta_buf.vaddr;
+ uint32_t size;
+ int32_t inputlen = 0, outputlen = 0;
+ struct roc_se_ctx *se_ctx;
+ uint32_t mac_len = 0;
+ uint8_t i = 0;
+ uint32_t encr_offset, auth_offset;
+ uint32_t encr_data_len, auth_data_len;
+ int flags;
+ uint8_t *iv_s, *iv_d, iv_len = 8;
+ uint8_t dir = 0;
+ uint64_t *offset_vaddr;
+ union cpt_inst_w4 cpt_inst_w4;
+ uint8_t *in_buffer;
+ uint32_t g_size_bytes, s_size_bytes;
+ struct roc_se_sglist_comp *gather_comp;
+ struct roc_se_sglist_comp *scatter_comp;
+
+ encr_offset = ROC_SE_ENCR_OFFSET(d_offs) / 8;
+ auth_offset = ROC_SE_AUTH_OFFSET(d_offs) / 8;
+ encr_data_len = ROC_SE_ENCR_DLEN(d_lens);
+ auth_data_len = ROC_SE_AUTH_DLEN(d_lens);
+
+ se_ctx = params->ctx_buf.vaddr;
+ flags = se_ctx->zsk_flags;
+ mac_len = se_ctx->mac_len;
+
+ if (flags == 0x0)
+ iv_s = params->iv_buf;
+ else
+ iv_s = params->auth_iv_buf;
+
+ dir = iv_s[8] & 0x1;
+
+ cpt_inst_w4.s.opcode_major = ROC_SE_MAJOR_OP_KASUMI | ROC_SE_DMA_MODE;
+
+ /* indicates ECB/CBC, direction, ctx from cptr, iv from dptr */
+ cpt_inst_w4.s.opcode_minor = ((1 << 6) | (se_ctx->k_ecb << 5) |
+ (dir << 4) | (0 << 3) | (flags & 0x7));
+
+ /*
+ * GP op header, lengths are expected in bits.
+ */
+ cpt_inst_w4.s.param1 = encr_data_len;
+ cpt_inst_w4.s.param2 = auth_data_len;
+
+ /* consider iv len */
+ if (flags == 0x0) {
+ encr_offset += iv_len;
+ auth_offset += iv_len;
+ }
+
+ /* save space for offset ctrl and iv */
+ offset_vaddr = m_vaddr;
+
+ m_vaddr = (uint8_t *)m_vaddr + ROC_SE_OFF_CTRL_LEN + iv_len;
+
+ /* 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 followed by iv */
+
+ if (flags == 0x0) {
+ inputlen = encr_offset + (RTE_ALIGN(encr_data_len, 8) / 8);
+ outputlen = inputlen;
+ /* iv offset is 0 */
+ *offset_vaddr = rte_cpu_to_be_64((uint64_t)encr_offset << 16);
+ if (unlikely((encr_offset >> 16))) {
+ plt_dp_err("Offset not supported");
+ plt_dp_err("enc_offset: %d", encr_offset);
+ return -1;
+ }
+ } else {
+ inputlen = auth_offset + (RTE_ALIGN(auth_data_len, 8) / 8);
+ outputlen = mac_len;
+ /* iv offset is 0 */
+ *offset_vaddr = rte_cpu_to_be_64((uint64_t)auth_offset);
+ if (unlikely((auth_offset >> 8))) {
+ plt_dp_err("Offset not supported");
+ plt_dp_err("auth_offset: %d", auth_offset);
+ return -1;
+ }
+ }
+
+ i = fill_sg_comp(gather_comp, i, (uint64_t)offset_vaddr,
+ ROC_SE_OFF_CTRL_LEN + iv_len);
+
+ /* IV */
+ iv_d = (uint8_t *)offset_vaddr + ROC_SE_OFF_CTRL_LEN;
+ memcpy(iv_d, iv_s, iv_len);
+
+ /* 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);
+
+ if (flags == 0x1) {
+ /* IV in SLIST only for F8 */
+ iv_len = 0;
+ }
+
+ /* IV */
+ if (iv_len) {
+ i = fill_sg_comp(scatter_comp, i,
+ (uint64_t)offset_vaddr + ROC_SE_OFF_CTRL_LEN,
+ iv_len);
+ }
+
+ /* Add output data */
+ if (req_flags & ROC_SE_VALID_MAC_BUF) {
+ size = outputlen - iv_len - mac_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;
+ }
+ }
+
+ /* mac data */
+ if (mac_len) {
+ i = fill_sg_comp_from_buf(scatter_comp, i,
+ ¶ms->mac_buf);
+ }
+ } else {
+ /* Output including mac */
+ 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;
+ inst->w4.u64 = cpt_inst_w4.u64;
+
+ return 0;
+}
+
+static __rte_always_inline int
cpt_fc_dec_hmac_prep(uint32_t flags, uint64_t d_offs, uint64_t d_lens,
struct roc_se_fc_params *fc_params,
struct cpt_inst_s *inst)
@@ -1317,6 +1510,9 @@ cpt_fc_enc_hmac_prep(uint32_t flags, uint64_t d_offs, uint64_t d_lens,
} else if (fc_type == ROC_SE_PDCP) {
ret = cpt_zuc_snow3g_enc_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);
}
return ret;