#define _CNXK_SE_H_
#include <stdbool.h>
-#include "roc_se.h"
+#include "cnxk_cryptodev.h"
+#include "cnxk_cryptodev_ops.h"
+
+#define SRC_IOV_SIZE \
+ (sizeof(struct roc_se_iov_ptr) + \
+ (sizeof(struct roc_se_buf_ptr) * ROC_SE_MAX_SG_CNT))
+#define DST_IOV_SIZE \
+ (sizeof(struct roc_se_iov_ptr) + \
+ (sizeof(struct roc_se_buf_ptr) * ROC_SE_MAX_SG_CNT))
struct cnxk_se_sess {
uint16_t cpt_op : 4;
struct roc_se_ctx roc_se_ctx;
} __rte_cache_aligned;
+static inline void
+pdcp_iv_copy(uint8_t *iv_d, uint8_t *iv_s, const uint8_t pdcp_alg_type)
+{
+ 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);
+ }
+}
+
+static __rte_always_inline int
+cpt_mac_len_verify(struct rte_crypto_auth_xform *auth)
+{
+ uint16_t mac_len = auth->digest_length;
+ int ret;
+
+ switch (auth->algo) {
+ case RTE_CRYPTO_AUTH_MD5:
+ case RTE_CRYPTO_AUTH_MD5_HMAC:
+ ret = (mac_len == 16) ? 0 : -1;
+ break;
+ case RTE_CRYPTO_AUTH_SHA1:
+ case RTE_CRYPTO_AUTH_SHA1_HMAC:
+ ret = (mac_len == 20) ? 0 : -1;
+ break;
+ case RTE_CRYPTO_AUTH_SHA224:
+ case RTE_CRYPTO_AUTH_SHA224_HMAC:
+ ret = (mac_len == 28) ? 0 : -1;
+ break;
+ case RTE_CRYPTO_AUTH_SHA256:
+ case RTE_CRYPTO_AUTH_SHA256_HMAC:
+ ret = (mac_len == 32) ? 0 : -1;
+ break;
+ case RTE_CRYPTO_AUTH_SHA384:
+ case RTE_CRYPTO_AUTH_SHA384_HMAC:
+ ret = (mac_len == 48) ? 0 : -1;
+ break;
+ case RTE_CRYPTO_AUTH_SHA512:
+ case RTE_CRYPTO_AUTH_SHA512_HMAC:
+ ret = (mac_len == 64) ? 0 : -1;
+ break;
+ case RTE_CRYPTO_AUTH_NULL:
+ ret = 0;
+ break;
+ default:
+ ret = -1;
+ }
+
+ return ret;
+}
+
+static __rte_always_inline void
+cpt_fc_salt_update(struct roc_se_ctx *se_ctx, uint8_t *salt)
+{
+ struct roc_se_context *fctx = &se_ctx->se_ctx.fctx;
+ memcpy(fctx->enc.encr_iv, salt, 4);
+}
+
+static __rte_always_inline uint32_t
+fill_sg_comp(struct roc_se_sglist_comp *list, uint32_t i, phys_addr_t dma_addr,
+ uint32_t size)
+{
+ struct roc_se_sglist_comp *to = &list[i >> 2];
+
+ to->u.s.len[i % 4] = rte_cpu_to_be_16(size);
+ to->ptr[i % 4] = rte_cpu_to_be_64(dma_addr);
+ i++;
+ return i;
+}
+
+static __rte_always_inline uint32_t
+fill_sg_comp_from_buf(struct roc_se_sglist_comp *list, uint32_t i,
+ struct roc_se_buf_ptr *from)
+{
+ struct roc_se_sglist_comp *to = &list[i >> 2];
+
+ to->u.s.len[i % 4] = rte_cpu_to_be_16(from->size);
+ to->ptr[i % 4] = rte_cpu_to_be_64((uint64_t)from->vaddr);
+ i++;
+ return i;
+}
+
+static __rte_always_inline uint32_t
+fill_sg_comp_from_buf_min(struct roc_se_sglist_comp *list, uint32_t i,
+ struct roc_se_buf_ptr *from, uint32_t *psize)
+{
+ struct roc_se_sglist_comp *to = &list[i >> 2];
+ uint32_t size = *psize;
+ uint32_t e_len;
+
+ e_len = (size > from->size) ? from->size : size;
+ to->u.s.len[i % 4] = rte_cpu_to_be_16(e_len);
+ to->ptr[i % 4] = rte_cpu_to_be_64((uint64_t)from->vaddr);
+ *psize -= e_len;
+ i++;
+ return i;
+}
+
+/*
+ * This fills the MC expected SGIO list
+ * from IOV given by user.
+ */
+static __rte_always_inline uint32_t
+fill_sg_comp_from_iov(struct roc_se_sglist_comp *list, uint32_t i,
+ struct roc_se_iov_ptr *from, uint32_t from_offset,
+ uint32_t *psize, struct roc_se_buf_ptr *extra_buf,
+ uint32_t extra_offset)
+{
+ int32_t j;
+ uint32_t extra_len = extra_buf ? extra_buf->size : 0;
+ uint32_t size = *psize;
+ struct roc_se_buf_ptr *bufs;
+
+ bufs = from->bufs;
+ for (j = 0; (j < from->buf_cnt) && size; j++) {
+ uint64_t e_vaddr;
+ uint32_t e_len;
+ struct roc_se_sglist_comp *to = &list[i >> 2];
+
+ if (unlikely(from_offset)) {
+ if (from_offset >= bufs[j].size) {
+ from_offset -= bufs[j].size;
+ continue;
+ }
+ e_vaddr = (uint64_t)bufs[j].vaddr + from_offset;
+ e_len = (size > (bufs[j].size - from_offset)) ?
+ (bufs[j].size - from_offset) :
+ size;
+ from_offset = 0;
+ } else {
+ e_vaddr = (uint64_t)bufs[j].vaddr;
+ e_len = (size > bufs[j].size) ? bufs[j].size : size;
+ }
+
+ to->u.s.len[i % 4] = rte_cpu_to_be_16(e_len);
+ to->ptr[i % 4] = rte_cpu_to_be_64(e_vaddr);
+
+ if (extra_len && (e_len >= extra_offset)) {
+ /* Break the data at given offset */
+ uint32_t next_len = e_len - extra_offset;
+ uint64_t next_vaddr = e_vaddr + extra_offset;
+
+ if (!extra_offset) {
+ i--;
+ } else {
+ e_len = extra_offset;
+ size -= e_len;
+ to->u.s.len[i % 4] = rte_cpu_to_be_16(e_len);
+ }
+
+ extra_len = RTE_MIN(extra_len, size);
+ /* Insert extra data ptr */
+ if (extra_len) {
+ i++;
+ to = &list[i >> 2];
+ to->u.s.len[i % 4] =
+ rte_cpu_to_be_16(extra_len);
+ to->ptr[i % 4] = rte_cpu_to_be_64(
+ (uint64_t)extra_buf->vaddr);
+ size -= extra_len;
+ }
+
+ next_len = RTE_MIN(next_len, size);
+ /* insert the rest of the data */
+ if (next_len) {
+ i++;
+ to = &list[i >> 2];
+ to->u.s.len[i % 4] = rte_cpu_to_be_16(next_len);
+ to->ptr[i % 4] = rte_cpu_to_be_64(next_vaddr);
+ size -= next_len;
+ }
+ extra_len = 0;
+
+ } else {
+ size -= e_len;
+ }
+ if (extra_offset)
+ extra_offset -= size;
+ i++;
+ }
+
+ *psize = size;
+ return (uint32_t)i;
+}
+
+static __rte_always_inline int
+cpt_digest_gen_prep(uint32_t flags, 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, i;
+ uint16_t data_len, mac_len, key_len;
+ roc_se_auth_type hash_type;
+ struct roc_se_ctx *ctx;
+ struct roc_se_sglist_comp *gather_comp;
+ struct roc_se_sglist_comp *scatter_comp;
+ uint8_t *in_buffer;
+ uint32_t g_size_bytes, s_size_bytes;
+ union cpt_inst_w4 cpt_inst_w4;
+
+ ctx = params->ctx_buf.vaddr;
+
+ hash_type = ctx->hash_type;
+ mac_len = ctx->mac_len;
+ key_len = ctx->auth_key_len;
+ data_len = ROC_SE_AUTH_DLEN(d_lens);
+
+ /*GP op header */
+ cpt_inst_w4.s.opcode_minor = 0;
+ cpt_inst_w4.s.param2 = ((uint16_t)hash_type << 8);
+ if (ctx->hmac) {
+ cpt_inst_w4.s.opcode_major =
+ ROC_SE_MAJOR_OP_HMAC | ROC_SE_DMA_MODE;
+ cpt_inst_w4.s.param1 = key_len;
+ cpt_inst_w4.s.dlen = data_len + RTE_ALIGN_CEIL(key_len, 8);
+ } else {
+ cpt_inst_w4.s.opcode_major =
+ ROC_SE_MAJOR_OP_HASH | ROC_SE_DMA_MODE;
+ cpt_inst_w4.s.param1 = 0;
+ cpt_inst_w4.s.dlen = data_len;
+ }
+
+ /* Null auth only case enters the if */
+ if (unlikely(!hash_type && !ctx->enc_cipher)) {
+ cpt_inst_w4.s.opcode_major = ROC_SE_MAJOR_OP_MISC;
+ /* Minor op is passthrough */
+ cpt_inst_w4.s.opcode_minor = 0x03;
+ /* Send out completion code only */
+ cpt_inst_w4.s.param2 = 0x1;
+ }
+
+ /* 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;
+
+ if (ctx->hmac) {
+ uint64_t k_vaddr = (uint64_t)ctx->auth_key;
+ /* Key */
+ i = fill_sg_comp(gather_comp, i, k_vaddr,
+ RTE_ALIGN_CEIL(key_len, 8));
+ }
+
+ /* input data */
+ size = data_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 dst IOV size, short by %dB",
+ size);
+ return -1;
+ }
+ } else {
+ /*
+ * Looks like we need to support zero data
+ * gather ptr in case of hash & hmac
+ */
+ i++;
+ }
+ ((uint16_t *)in_buffer)[2] = rte_cpu_to_be_16(i);
+ g_size_bytes = ((i + 3) / 4) * sizeof(struct roc_se_sglist_comp);
+
+ /*
+ * Output Gather list
+ */
+
+ i = 0;
+ scatter_comp = (struct roc_se_sglist_comp *)((uint8_t *)gather_comp +
+ g_size_bytes);
+
+ if (flags & ROC_SE_VALID_MAC_BUF) {
+ if (unlikely(params->mac_buf.size < mac_len)) {
+ plt_dp_err("Insufficient MAC size");
+ return -1;
+ }
+
+ size = mac_len;
+ i = fill_sg_comp_from_buf_min(scatter_comp, i, ¶ms->mac_buf,
+ &size);
+ } else {
+ size = mac_len;
+ i = fill_sg_comp_from_iov(scatter_comp, i, params->src_iov,
+ data_len, &size, NULL, 0);
+ if (unlikely(size)) {
+ plt_dp_err("Insufficient dst IOV size, short by %dB",
+ 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_enc_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)
+{
+ uint32_t iv_offset = 0;
+ int32_t inputlen, outputlen, enc_dlen, auth_dlen;
+ struct roc_se_ctx *se_ctx;
+ uint32_t cipher_type, hash_type;
+ uint32_t mac_len, size;
+ uint8_t iv_len = 16;
+ struct roc_se_buf_ptr *aad_buf = NULL;
+ uint32_t encr_offset, auth_offset;
+ uint32_t encr_data_len, auth_data_len, aad_len = 0;
+ uint32_t passthrough_len = 0;
+ union cpt_inst_w4 cpt_inst_w4;
+ void *offset_vaddr;
+ uint8_t op_minor;
+
+ encr_offset = ROC_SE_ENCR_OFFSET(d_offs);
+ auth_offset = ROC_SE_AUTH_OFFSET(d_offs);
+ encr_data_len = ROC_SE_ENCR_DLEN(d_lens);
+ auth_data_len = ROC_SE_AUTH_DLEN(d_lens);
+ if (unlikely(flags & ROC_SE_VALID_AAD_BUF)) {
+ /* We don't support both AAD and auth data separately */
+ auth_data_len = 0;
+ auth_offset = 0;
+ aad_len = fc_params->aad_buf.size;
+ aad_buf = &fc_params->aad_buf;
+ }
+ se_ctx = fc_params->ctx_buf.vaddr;
+ cipher_type = se_ctx->enc_cipher;
+ hash_type = se_ctx->hash_type;
+ mac_len = se_ctx->mac_len;
+ op_minor = se_ctx->template_w4.s.opcode_minor;
+
+ if (unlikely(!(flags & ROC_SE_VALID_IV_BUF))) {
+ iv_len = 0;
+ iv_offset = ROC_SE_ENCR_IV_OFFSET(d_offs);
+ }
+
+ if (unlikely(flags & ROC_SE_VALID_AAD_BUF)) {
+ /*
+ * When AAD is given, data above encr_offset is pass through
+ * Since AAD is given as separate pointer and not as offset,
+ * this is a special case as we need to fragment input data
+ * into passthrough + encr_data and then insert AAD in between.
+ */
+ if (hash_type != ROC_SE_GMAC_TYPE) {
+ passthrough_len = encr_offset;
+ auth_offset = passthrough_len + iv_len;
+ encr_offset = passthrough_len + aad_len + iv_len;
+ auth_data_len = aad_len + encr_data_len;
+ } else {
+ passthrough_len = 16 + aad_len;
+ auth_offset = passthrough_len + iv_len;
+ auth_data_len = aad_len;
+ }
+ } else {
+ encr_offset += iv_len;
+ auth_offset += iv_len;
+ }
+
+ /* Encryption */
+ cpt_inst_w4.s.opcode_major = ROC_SE_MAJOR_OP_FC;
+ cpt_inst_w4.s.opcode_minor = ROC_SE_FC_MINOR_OP_ENCRYPT;
+ cpt_inst_w4.s.opcode_minor |= (uint64_t)op_minor;
+
+ if (hash_type == ROC_SE_GMAC_TYPE) {
+ encr_offset = 0;
+ encr_data_len = 0;
+ }
+
+ auth_dlen = auth_offset + auth_data_len;
+ enc_dlen = encr_data_len + encr_offset;
+ if (unlikely(encr_data_len & 0xf)) {
+ if ((cipher_type == ROC_SE_DES3_CBC) ||
+ (cipher_type == ROC_SE_DES3_ECB))
+ enc_dlen =
+ RTE_ALIGN_CEIL(encr_data_len, 8) + encr_offset;
+ else if (likely((cipher_type == ROC_SE_AES_CBC) ||
+ (cipher_type == ROC_SE_AES_ECB)))
+ enc_dlen =
+ RTE_ALIGN_CEIL(encr_data_len, 8) + encr_offset;
+ }
+
+ if (unlikely(auth_dlen > enc_dlen)) {
+ inputlen = auth_dlen;
+ outputlen = auth_dlen + mac_len;
+ } else {
+ inputlen = enc_dlen;
+ outputlen = enc_dlen + mac_len;
+ }
+
+ if (op_minor & ROC_SE_FC_MINOR_OP_HMAC_FIRST)
+ outputlen = enc_dlen;
+
+ /* GP op header */
+ cpt_inst_w4.s.param1 = encr_data_len;
+ cpt_inst_w4.s.param2 = auth_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((flags & ROC_SE_SINGLE_BUF_INPLACE) &&
+ (flags & ROC_SE_SINGLE_BUF_HEADROOM))) {
+ void *dm_vaddr = fc_params->bufs[0].vaddr;
+
+ /* Use Direct mode */
+
+ offset_vaddr =
+ (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)) {
+ uint64_t *dest = (uint64_t *)((uint8_t *)offset_vaddr +
+ ROC_SE_OFF_CTRL_LEN);
+ uint64_t *src = fc_params->iv_buf;
+ dest[0] = src[0];
+ dest[1] = src[1];
+ }
+
+ } else {
+ void *m_vaddr = fc_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;
+
+ /* This falls under strict SG mode */
+ offset_vaddr = m_vaddr;
+ size = ROC_SE_OFF_CTRL_LEN + iv_len;
+
+ m_vaddr = (uint8_t *)m_vaddr + size;
+
+ cpt_inst_w4.s.opcode_major |= (uint64_t)ROC_SE_DMA_MODE;
+
+ if (likely(iv_len)) {
+ uint64_t *dest = (uint64_t *)((uint8_t *)offset_vaddr +
+ ROC_SE_OFF_CTRL_LEN);
+ uint64_t *src = fc_params->iv_buf;
+ dest[0] = src[0];
+ dest[1] = src[1];
+ }
+
+ /* 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 that includes iv */
+ i = fill_sg_comp(gather_comp, i, (uint64_t)offset_vaddr,
+ ROC_SE_OFF_CTRL_LEN + iv_len);
+
+ /* Add input data */
+ size = inputlen - iv_len;
+ if (likely(size)) {
+ uint32_t aad_offset = aad_len ? passthrough_len : 0;
+
+ if (unlikely(flags & ROC_SE_SINGLE_BUF_INPLACE)) {
+ i = fill_sg_comp_from_buf_min(
+ gather_comp, i, fc_params->bufs, &size);
+ } else {
+ i = fill_sg_comp_from_iov(
+ gather_comp, i, fc_params->src_iov, 0,
+ &size, aad_buf, aad_offset);
+ }
+
+ 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);
+
+ /* Add IV */
+ if (likely(iv_len)) {
+ i = fill_sg_comp(scatter_comp, i,
+ (uint64_t)offset_vaddr +
+ ROC_SE_OFF_CTRL_LEN,
+ iv_len);
+ }
+
+ /* output data or output data + digest*/
+ if (unlikely(flags & ROC_SE_VALID_MAC_BUF)) {
+ size = outputlen - iv_len - mac_len;
+ if (size) {
+ uint32_t aad_offset =
+ aad_len ? passthrough_len : 0;
+
+ if (unlikely(flags &
+ ROC_SE_SINGLE_BUF_INPLACE)) {
+ i = fill_sg_comp_from_buf_min(
+ scatter_comp, i,
+ fc_params->bufs, &size);
+ } else {
+ i = fill_sg_comp_from_iov(
+ scatter_comp, i,
+ fc_params->dst_iov, 0, &size,
+ aad_buf, aad_offset);
+ }
+ 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,
+ &fc_params->mac_buf);
+ }
+ } else {
+ /* Output including mac */
+ size = outputlen - iv_len;
+ if (likely(size)) {
+ uint32_t aad_offset =
+ aad_len ? passthrough_len : 0;
+
+ if (unlikely(flags &
+ ROC_SE_SINGLE_BUF_INPLACE)) {
+ i = fill_sg_comp_from_buf_min(
+ scatter_comp, i,
+ fc_params->bufs, &size);
+ } else {
+ i = fill_sg_comp_from_iov(
+ scatter_comp, i,
+ fc_params->dst_iov, 0, &size,
+ aad_buf, aad_offset);
+ }
+ 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) || (iv_offset >> 8) ||
+ (auth_offset >> 8))) {
+ plt_dp_err("Offset not supported");
+ plt_dp_err("enc_offset: %d", encr_offset);
+ plt_dp_err("iv_offset : %d", iv_offset);
+ plt_dp_err("auth_offset: %d", auth_offset);
+ return -1;
+ }
+
+ *(uint64_t *)offset_vaddr = rte_cpu_to_be_64(
+ ((uint64_t)encr_offset << 16) | ((uint64_t)iv_offset << 8) |
+ ((uint64_t)auth_offset));
+
+ inst->w4.u64 = cpt_inst_w4.u64;
+ return 0;
+}
+
+static __rte_always_inline int
+cpt_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)
+{
+ uint32_t iv_offset = 0, size;
+ int32_t inputlen, outputlen, enc_dlen, auth_dlen;
+ struct roc_se_ctx *se_ctx;
+ int32_t hash_type, mac_len;
+ uint8_t iv_len = 16;
+ struct roc_se_buf_ptr *aad_buf = NULL;
+ uint32_t encr_offset, auth_offset;
+ uint32_t encr_data_len, auth_data_len, aad_len = 0;
+ uint32_t passthrough_len = 0;
+ union cpt_inst_w4 cpt_inst_w4;
+ void *offset_vaddr;
+ uint8_t op_minor;
+
+ encr_offset = ROC_SE_ENCR_OFFSET(d_offs);
+ auth_offset = ROC_SE_AUTH_OFFSET(d_offs);
+ encr_data_len = ROC_SE_ENCR_DLEN(d_lens);
+ auth_data_len = ROC_SE_AUTH_DLEN(d_lens);
+
+ if (unlikely(flags & ROC_SE_VALID_AAD_BUF)) {
+ /* We don't support both AAD and auth data separately */
+ auth_data_len = 0;
+ auth_offset = 0;
+ aad_len = fc_params->aad_buf.size;
+ aad_buf = &fc_params->aad_buf;
+ }
+
+ se_ctx = fc_params->ctx_buf.vaddr;
+ hash_type = se_ctx->hash_type;
+ mac_len = se_ctx->mac_len;
+ op_minor = se_ctx->template_w4.s.opcode_minor;
+
+ if (unlikely(!(flags & ROC_SE_VALID_IV_BUF))) {
+ iv_len = 0;
+ iv_offset = ROC_SE_ENCR_IV_OFFSET(d_offs);
+ }
+
+ if (unlikely(flags & ROC_SE_VALID_AAD_BUF)) {
+ /*
+ * When AAD is given, data above encr_offset is pass through
+ * Since AAD is given as separate pointer and not as offset,
+ * this is a special case as we need to fragment input data
+ * into passthrough + encr_data and then insert AAD in between.
+ */
+ if (hash_type != ROC_SE_GMAC_TYPE) {
+ passthrough_len = encr_offset;
+ auth_offset = passthrough_len + iv_len;
+ encr_offset = passthrough_len + aad_len + iv_len;
+ auth_data_len = aad_len + encr_data_len;
+ } else {
+ passthrough_len = 16 + aad_len;
+ auth_offset = passthrough_len + iv_len;
+ auth_data_len = aad_len;
+ }
+ } else {
+ encr_offset += iv_len;
+ auth_offset += iv_len;
+ }
+
+ /* Decryption */
+ cpt_inst_w4.s.opcode_major = ROC_SE_MAJOR_OP_FC;
+ cpt_inst_w4.s.opcode_minor = ROC_SE_FC_MINOR_OP_DECRYPT;
+ cpt_inst_w4.s.opcode_minor |= (uint64_t)op_minor;
+
+ if (hash_type == ROC_SE_GMAC_TYPE) {
+ encr_offset = 0;
+ encr_data_len = 0;
+ }
+
+ enc_dlen = encr_offset + encr_data_len;
+ auth_dlen = auth_offset + auth_data_len;
+
+ if (auth_dlen > enc_dlen) {
+ inputlen = auth_dlen + mac_len;
+ outputlen = auth_dlen;
+ } else {
+ inputlen = enc_dlen + mac_len;
+ outputlen = enc_dlen;
+ }
+
+ if (op_minor & ROC_SE_FC_MINOR_OP_HMAC_FIRST)
+ outputlen = inputlen = enc_dlen;
+
+ cpt_inst_w4.s.param1 = encr_data_len;
+ cpt_inst_w4.s.param2 = auth_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((flags & ROC_SE_SINGLE_BUF_INPLACE) &&
+ (flags & ROC_SE_SINGLE_BUF_HEADROOM))) {
+ void *dm_vaddr = fc_params->bufs[0].vaddr;
+
+ /* Use Direct mode */
+
+ offset_vaddr =
+ (uint8_t *)dm_vaddr - ROC_SE_OFF_CTRL_LEN - iv_len;
+ 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)) {
+ uint64_t *dest = (uint64_t *)((uint8_t *)offset_vaddr +
+ ROC_SE_OFF_CTRL_LEN);
+ uint64_t *src = fc_params->iv_buf;
+ dest[0] = src[0];
+ dest[1] = src[1];
+ }
+
+ } else {
+ void *m_vaddr = fc_params->meta_buf.vaddr;
+ uint32_t g_size_bytes, s_size_bytes;
+ struct roc_se_sglist_comp *gather_comp;
+ struct roc_se_sglist_comp *scatter_comp;
+ uint8_t *in_buffer;
+ uint8_t i = 0;
+
+ /* This falls under strict SG mode */
+ offset_vaddr = m_vaddr;
+ size = ROC_SE_OFF_CTRL_LEN + iv_len;
+
+ m_vaddr = (uint8_t *)m_vaddr + size;
+
+ cpt_inst_w4.s.opcode_major |= (uint64_t)ROC_SE_DMA_MODE;
+
+ if (likely(iv_len)) {
+ uint64_t *dest = (uint64_t *)((uint8_t *)offset_vaddr +
+ ROC_SE_OFF_CTRL_LEN);
+ uint64_t *src = fc_params->iv_buf;
+ dest[0] = src[0];
+ dest[1] = src[1];
+ }
+
+ /* 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 that includes iv */
+ i = fill_sg_comp(gather_comp, i, (uint64_t)offset_vaddr,
+ ROC_SE_OFF_CTRL_LEN + iv_len);
+
+ /* Add input data */
+ if (flags & ROC_SE_VALID_MAC_BUF) {
+ size = inputlen - iv_len - mac_len;
+ if (size) {
+ /* input data only */
+ if (unlikely(flags &
+ ROC_SE_SINGLE_BUF_INPLACE)) {
+ i = fill_sg_comp_from_buf_min(
+ gather_comp, i, fc_params->bufs,
+ &size);
+ } else {
+ uint32_t aad_offset =
+ aad_len ? passthrough_len : 0;
+
+ i = fill_sg_comp_from_iov(
+ gather_comp, i,
+ fc_params->src_iov, 0, &size,
+ aad_buf, aad_offset);
+ }
+ 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(gather_comp, i,
+ &fc_params->mac_buf);
+ }
+ } else {
+ /* input data + mac */
+ size = inputlen - iv_len;
+ if (size) {
+ if (unlikely(flags &
+ ROC_SE_SINGLE_BUF_INPLACE)) {
+ i = fill_sg_comp_from_buf_min(
+ gather_comp, i, fc_params->bufs,
+ &size);
+ } else {
+ uint32_t aad_offset =
+ aad_len ? passthrough_len : 0;
+
+ if (unlikely(!fc_params->src_iov)) {
+ plt_dp_err("Bad input args");
+ return -1;
+ }
+
+ i = fill_sg_comp_from_iov(
+ gather_comp, i,
+ fc_params->src_iov, 0, &size,
+ aad_buf, aad_offset);
+ }
+
+ 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);
+
+ /* Add 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 */
+ size = outputlen - iv_len;
+ if (size) {
+ if (unlikely(flags & ROC_SE_SINGLE_BUF_INPLACE)) {
+ /* handle single buffer here */
+ i = fill_sg_comp_from_buf_min(scatter_comp, i,
+ fc_params->bufs,
+ &size);
+ } else {
+ uint32_t aad_offset =
+ aad_len ? passthrough_len : 0;
+
+ if (unlikely(!fc_params->dst_iov)) {
+ plt_dp_err("Bad input args");
+ return -1;
+ }
+
+ i = fill_sg_comp_from_iov(
+ scatter_comp, i, fc_params->dst_iov, 0,
+ &size, aad_buf, aad_offset);
+ }
+
+ 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) || (iv_offset >> 8) ||
+ (auth_offset >> 8))) {
+ plt_dp_err("Offset not supported");
+ plt_dp_err("enc_offset: %d", encr_offset);
+ plt_dp_err("iv_offset : %d", iv_offset);
+ plt_dp_err("auth_offset: %d", auth_offset);
+ return -1;
+ }
+
+ *(uint64_t *)offset_vaddr = rte_cpu_to_be_64(
+ ((uint64_t)encr_offset << 16) | ((uint64_t)iv_offset << 8) |
+ ((uint64_t)auth_offset));
+
+ inst->w4.u64 = cpt_inst_w4.u64;
+ return 0;
+}
+
+static __rte_always_inline int
+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;
+ 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;
+ uint8_t *iv_s;
+ union cpt_inst_w4 cpt_inst_w4;
+
+ se_ctx = params->ctx_buf.vaddr;
+ flags = se_ctx->zsk_flags;
+ mac_len = se_ctx->mac_len;
+ pdcp_alg_type = se_ctx->pdcp_alg_type;
+
+ cpt_inst_w4.s.opcode_major = ROC_SE_MAJOR_OP_ZUC_SNOW3G;
+
+ 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;
+
+ /*
+ * Microcode expects offsets in bytes
+ * TODO: Rounding off
+ */
+ auth_data_len = ROC_SE_AUTH_DLEN(d_lens);
+
+ /* EIA3 or UIA2 */
+ auth_offset = ROC_SE_AUTH_OFFSET(d_offs);
+ auth_offset = auth_offset / 8;
+
+ /* consider iv len */
+ auth_offset += iv_len;
+
+ inputlen = auth_offset + (RTE_ALIGN(auth_data_len, 8) / 8);
+ outputlen = mac_len;
+
+ 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;
+
+ /* EEA3 or UEA2 */
+ /*
+ * Microcode expects offsets in bytes
+ * TODO: Rounding off
+ */
+ encr_data_len = ROC_SE_ENCR_DLEN(d_lens);
+
+ encr_offset = ROC_SE_ENCR_OFFSET(d_offs);
+ encr_offset = encr_offset / 8;
+ /* consider iv len */
+ encr_offset += iv_len;
+
+ inputlen = encr_offset + (RTE_ALIGN(encr_data_len, 8) / 8);
+ outputlen = inputlen;
+
+ /* 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))) {
+ plt_dp_err("Offset not supported");
+ plt_dp_err("enc_offset: %d", encr_offset);
+ plt_dp_err("auth_offset: %d", auth_offset);
+ return -1;
+ }
+
+ /*
+ * GP op header, lengths are expected in bits.
+ */
+ cpt_inst_w4.s.param1 = encr_data_len;
+ cpt_inst_w4.s.param2 = auth_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;
+
+ uint8_t *iv_d = ((uint8_t *)offset_vaddr + ROC_SE_OFF_CTRL_LEN);
+ pdcp_iv_copy(iv_d, iv_s, pdcp_alg_type);
+
+ *offset_vaddr = offset_ctrl;
+ } 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;
+ 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;
+
+ 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 followed by iv */
+
+ i = fill_sg_comp(gather_comp, i, (uint64_t)offset_vaddr,
+ ROC_SE_OFF_CTRL_LEN + iv_len);
+
+ /* iv offset is 0 */
+ *offset_vaddr = offset_ctrl;
+
+ iv_d = ((uint8_t *)offset_vaddr + ROC_SE_OFF_CTRL_LEN);
+ pdcp_iv_copy(iv_d, iv_s, pdcp_alg_type);
+
+ /* 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 EEA3 & UEA2 */
+ iv_len = 0;
+ }
+
+ 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_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_kasumi_dec_prep(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;
+ struct roc_se_ctx *se_ctx;
+ uint8_t i = 0, iv_len = 8;
+ uint32_t encr_offset;
+ uint32_t encr_data_len;
+ int flags;
+ 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;
+ encr_data_len = ROC_SE_ENCR_DLEN(d_lens);
+
+ se_ctx = params->ctx_buf.vaddr;
+ flags = se_ctx->zsk_flags;
+
+ cpt_inst_w4.u64 = 0;
+ 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;
+
+ /* consider iv len */
+ encr_offset += iv_len;
+
+ inputlen = iv_len + (RTE_ALIGN(encr_data_len, 8) / 8);
+ outputlen = inputlen;
+
+ /* save space for offset ctrl & 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 */
+ *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;
+ }
+
+ i = fill_sg_comp(gather_comp, i, (uint64_t)offset_vaddr,
+ ROC_SE_OFF_CTRL_LEN + iv_len);
+
+ /* IV */
+ memcpy((uint8_t *)offset_vaddr + ROC_SE_OFF_CTRL_LEN, params->iv_buf,
+ iv_len);
+
+ /* 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;
+ 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)
+{
+ struct roc_se_ctx *ctx = fc_params->ctx_buf.vaddr;
+ uint8_t fc_type;
+ int ret = -1;
+
+ fc_type = ctx->fc_type;
+
+ 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_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);
+ }
+
+ /*
+ * For AUTH_ONLY case,
+ * MC only supports digest generation and verification
+ * should be done in software by memcmp()
+ */
+
+ return ret;
+}
+
+static __rte_always_inline int
+cpt_fc_enc_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)
+{
+ struct roc_se_ctx *ctx = fc_params->ctx_buf.vaddr;
+ uint8_t fc_type;
+ int ret = -1;
+
+ fc_type = ctx->fc_type;
+
+ 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_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);
+ } else if (fc_type == ROC_SE_HASH_HMAC) {
+ ret = cpt_digest_gen_prep(flags, d_lens, fc_params, inst);
+ }
+
+ return ret;
+}
+
+static __rte_always_inline int
+fill_sess_aead(struct rte_crypto_sym_xform *xform, struct cnxk_se_sess *sess)
+{
+ struct rte_crypto_aead_xform *aead_form;
+ roc_se_cipher_type enc_type = 0; /* NULL Cipher type */
+ roc_se_auth_type auth_type = 0; /* NULL Auth type */
+ uint32_t cipher_key_len = 0;
+ uint8_t aes_gcm = 0;
+ aead_form = &xform->aead;
+
+ if (aead_form->op == RTE_CRYPTO_AEAD_OP_ENCRYPT) {
+ sess->cpt_op |= ROC_SE_OP_CIPHER_ENCRYPT;
+ sess->cpt_op |= ROC_SE_OP_AUTH_GENERATE;
+ } else if (aead_form->op == RTE_CRYPTO_AEAD_OP_DECRYPT) {
+ sess->cpt_op |= ROC_SE_OP_CIPHER_DECRYPT;
+ sess->cpt_op |= ROC_SE_OP_AUTH_VERIFY;
+ } else {
+ plt_dp_err("Unknown aead operation\n");
+ return -1;
+ }
+ switch (aead_form->algo) {
+ case RTE_CRYPTO_AEAD_AES_GCM:
+ enc_type = ROC_SE_AES_GCM;
+ cipher_key_len = 16;
+ aes_gcm = 1;
+ break;
+ case RTE_CRYPTO_AEAD_AES_CCM:
+ plt_dp_err("Crypto: Unsupported cipher algo %u",
+ aead_form->algo);
+ return -1;
+ case RTE_CRYPTO_AEAD_CHACHA20_POLY1305:
+ enc_type = ROC_SE_CHACHA20;
+ auth_type = ROC_SE_POLY1305;
+ cipher_key_len = 32;
+ sess->chacha_poly = 1;
+ break;
+ default:
+ plt_dp_err("Crypto: Undefined cipher algo %u specified",
+ aead_form->algo);
+ return -1;
+ }
+ if (aead_form->key.length < cipher_key_len) {
+ plt_dp_err("Invalid cipher params keylen %u",
+ aead_form->key.length);
+ return -1;
+ }
+ sess->zsk_flag = 0;
+ sess->aes_gcm = aes_gcm;
+ sess->mac_len = aead_form->digest_length;
+ sess->iv_offset = aead_form->iv.offset;
+ sess->iv_length = aead_form->iv.length;
+ sess->aad_length = aead_form->aad_length;
+
+ if (unlikely(roc_se_ciph_key_set(&sess->roc_se_ctx, enc_type,
+ aead_form->key.data,
+ aead_form->key.length, NULL)))
+ return -1;
+
+ if (unlikely(roc_se_auth_key_set(&sess->roc_se_ctx, auth_type, NULL, 0,
+ aead_form->digest_length)))
+ return -1;
+
+ return 0;
+}
+
static __rte_always_inline int
fill_sess_cipher(struct rte_crypto_sym_xform *xform, struct cnxk_se_sess *sess)
{
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;
+}
+
+static __rte_always_inline int
+fill_sess_auth(struct rte_crypto_sym_xform *xform, struct cnxk_se_sess *sess)
+{
+ struct rte_crypto_auth_xform *a_form;
+ roc_se_auth_type auth_type = 0; /* NULL Auth type */
+ uint8_t zsk_flag = 0, aes_gcm = 0, is_null = 0;
+
+ if (xform->next != NULL &&
+ xform->next->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
+ xform->next->cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT) {
+ /* Perform auth followed by encryption */
+ sess->roc_se_ctx.template_w4.s.opcode_minor =
+ ROC_SE_FC_MINOR_OP_HMAC_FIRST;
+ }
+
+ a_form = &xform->auth;
+
+ if (a_form->op == RTE_CRYPTO_AUTH_OP_VERIFY)
+ sess->cpt_op |= ROC_SE_OP_AUTH_VERIFY;
+ else if (a_form->op == RTE_CRYPTO_AUTH_OP_GENERATE)
+ sess->cpt_op |= ROC_SE_OP_AUTH_GENERATE;
+ else {
+ plt_dp_err("Unknown auth operation");
+ return -1;
+ }
+
+ switch (a_form->algo) {
+ case RTE_CRYPTO_AUTH_SHA1_HMAC:
+ /* Fall through */
+ case RTE_CRYPTO_AUTH_SHA1:
+ auth_type = ROC_SE_SHA1_TYPE;
+ break;
+ case RTE_CRYPTO_AUTH_SHA256_HMAC:
+ case RTE_CRYPTO_AUTH_SHA256:
+ auth_type = ROC_SE_SHA2_SHA256;
+ break;
+ case RTE_CRYPTO_AUTH_SHA512_HMAC:
+ case RTE_CRYPTO_AUTH_SHA512:
+ auth_type = ROC_SE_SHA2_SHA512;
+ break;
+ case RTE_CRYPTO_AUTH_AES_GMAC:
+ auth_type = ROC_SE_GMAC_TYPE;
+ aes_gcm = 1;
+ break;
+ case RTE_CRYPTO_AUTH_SHA224_HMAC:
+ case RTE_CRYPTO_AUTH_SHA224:
+ auth_type = ROC_SE_SHA2_SHA224;
+ break;
+ case RTE_CRYPTO_AUTH_SHA384_HMAC:
+ case RTE_CRYPTO_AUTH_SHA384:
+ auth_type = ROC_SE_SHA2_SHA384;
+ break;
+ case RTE_CRYPTO_AUTH_MD5_HMAC:
+ case RTE_CRYPTO_AUTH_MD5:
+ auth_type = ROC_SE_MD5_TYPE;
+ break;
+ case RTE_CRYPTO_AUTH_KASUMI_F9:
+ auth_type = ROC_SE_KASUMI_F9_ECB;
+ /*
+ * Indicate that direction needs to be taken out
+ * from end of src
+ */
+ zsk_flag = ROC_SE_K_F9;
+ break;
+ case RTE_CRYPTO_AUTH_SNOW3G_UIA2:
+ auth_type = ROC_SE_SNOW3G_UIA2;
+ zsk_flag = ROC_SE_ZS_IA;
+ break;
+ case RTE_CRYPTO_AUTH_ZUC_EIA3:
+ auth_type = ROC_SE_ZUC_EIA3;
+ zsk_flag = ROC_SE_ZS_IA;
+ break;
+ case RTE_CRYPTO_AUTH_NULL:
+ auth_type = 0;
+ is_null = 1;
+ break;
+ case RTE_CRYPTO_AUTH_AES_XCBC_MAC:
+ case RTE_CRYPTO_AUTH_AES_CMAC:
+ case RTE_CRYPTO_AUTH_AES_CBC_MAC:
+ plt_dp_err("Crypto: Unsupported hash algo %u", a_form->algo);
+ return -1;
+ default:
+ plt_dp_err("Crypto: Undefined Hash algo %u specified",
+ a_form->algo);
+ return -1;
+ }
+
+ sess->zsk_flag = zsk_flag;
+ sess->aes_gcm = aes_gcm;
+ sess->mac_len = a_form->digest_length;
+ sess->is_null = is_null;
+ if (zsk_flag) {
+ sess->auth_iv_offset = a_form->iv.offset;
+ sess->auth_iv_length = a_form->iv.length;
+ }
+ if (unlikely(roc_se_auth_key_set(&sess->roc_se_ctx, auth_type,
+ a_form->key.data, a_form->key.length,
+ 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;
+}
+
+static __rte_always_inline int
+fill_sess_gmac(struct rte_crypto_sym_xform *xform, struct cnxk_se_sess *sess)
+{
+ struct rte_crypto_auth_xform *a_form;
+ roc_se_cipher_type enc_type = 0; /* NULL Cipher type */
+ roc_se_auth_type auth_type = 0; /* NULL Auth type */
+
+ a_form = &xform->auth;
+
+ if (a_form->op == RTE_CRYPTO_AUTH_OP_GENERATE)
+ sess->cpt_op |= ROC_SE_OP_ENCODE;
+ else if (a_form->op == RTE_CRYPTO_AUTH_OP_VERIFY)
+ sess->cpt_op |= ROC_SE_OP_DECODE;
+ else {
+ plt_dp_err("Unknown auth operation");
+ return -1;
+ }
+
+ switch (a_form->algo) {
+ case RTE_CRYPTO_AUTH_AES_GMAC:
+ enc_type = ROC_SE_AES_GCM;
+ auth_type = ROC_SE_GMAC_TYPE;
+ break;
+ default:
+ plt_dp_err("Crypto: Undefined cipher algo %u specified",
+ a_form->algo);
+ return -1;
+ }
+
+ sess->zsk_flag = 0;
+ sess->aes_gcm = 0;
+ sess->is_gmac = 1;
+ sess->iv_offset = a_form->iv.offset;
+ sess->iv_length = a_form->iv.length;
+ sess->mac_len = a_form->digest_length;
+
+ if (unlikely(roc_se_ciph_key_set(&sess->roc_se_ctx, enc_type,
+ a_form->key.data, a_form->key.length,
+ NULL)))
+ return -1;
+
+ if (unlikely(roc_se_auth_key_set(&sess->roc_se_ctx, auth_type, NULL, 0,
+ a_form->digest_length)))
+ return -1;
+
+ return 0;
+}
+
+static __rte_always_inline void *
+alloc_op_meta(struct roc_se_buf_ptr *buf, int32_t len,
+ struct rte_mempool *cpt_meta_pool,
+ struct cpt_inflight_req *infl_req)
+{
+ uint8_t *mdata;
+
+ if (unlikely(rte_mempool_get(cpt_meta_pool, (void **)&mdata) < 0))
+ return NULL;
+
+ buf->vaddr = mdata;
+ buf->size = len;
+
+ infl_req->mdata = mdata;
+ infl_req->op_flags |= CPT_OP_FLAGS_METABUF;
+
+ return mdata;
+}
+
+static __rte_always_inline uint32_t
+prepare_iov_from_pkt(struct rte_mbuf *pkt, struct roc_se_iov_ptr *iovec,
+ uint32_t start_offset)
+{
+ uint16_t index = 0;
+ void *seg_data = NULL;
+ int32_t seg_size = 0;
+
+ if (!pkt) {
+ iovec->buf_cnt = 0;
+ return 0;
+ }
+
+ if (!start_offset) {
+ seg_data = rte_pktmbuf_mtod(pkt, void *);
+ seg_size = pkt->data_len;
+ } else {
+ while (start_offset >= pkt->data_len) {
+ start_offset -= pkt->data_len;
+ pkt = pkt->next;
+ }
+
+ seg_data = rte_pktmbuf_mtod_offset(pkt, void *, start_offset);
+ seg_size = pkt->data_len - start_offset;
+ if (!seg_size)
+ return 1;
+ }
+
+ /* first seg */
+ iovec->bufs[index].vaddr = seg_data;
+ iovec->bufs[index].size = seg_size;
+ index++;
+ pkt = pkt->next;
+
+ while (unlikely(pkt != NULL)) {
+ seg_data = rte_pktmbuf_mtod(pkt, void *);
+ seg_size = pkt->data_len;
+ if (!seg_size)
+ break;
+
+ iovec->bufs[index].vaddr = seg_data;
+ iovec->bufs[index].size = seg_size;
+
+ index++;
+
+ pkt = pkt->next;
+ }
+
+ iovec->buf_cnt = index;
+ return 0;
+}
+
+static __rte_always_inline uint32_t
+prepare_iov_from_pkt_inplace(struct rte_mbuf *pkt,
+ struct roc_se_fc_params *param, uint32_t *flags)
+{
+ uint16_t index = 0;
+ void *seg_data = NULL;
+ uint32_t seg_size = 0;
+ struct roc_se_iov_ptr *iovec;
+
+ seg_data = rte_pktmbuf_mtod(pkt, void *);
+ seg_size = pkt->data_len;
+
+ /* first seg */
+ if (likely(!pkt->next)) {
+ uint32_t headroom;
+
+ *flags |= ROC_SE_SINGLE_BUF_INPLACE;
+ headroom = rte_pktmbuf_headroom(pkt);
+ if (likely(headroom >= 24))
+ *flags |= ROC_SE_SINGLE_BUF_HEADROOM;
+
+ param->bufs[0].vaddr = seg_data;
+ param->bufs[0].size = seg_size;
+ return 0;
+ }
+ iovec = param->src_iov;
+ iovec->bufs[index].vaddr = seg_data;
+ iovec->bufs[index].size = seg_size;
+ index++;
+ pkt = pkt->next;
+
+ while (unlikely(pkt != NULL)) {
+ seg_data = rte_pktmbuf_mtod(pkt, void *);
+ seg_size = pkt->data_len;
+
+ if (!seg_size)
+ break;
+
+ iovec->bufs[index].vaddr = seg_data;
+ iovec->bufs[index].size = seg_size;
+
+ index++;
+
+ pkt = pkt->next;
+ }
+
+ iovec->buf_cnt = index;
+ return 0;
+}
+
+static __rte_always_inline int
+fill_fc_params(struct rte_crypto_op *cop, struct cnxk_se_sess *sess,
+ struct cpt_qp_meta_info *m_info,
+ struct cpt_inflight_req *infl_req, struct cpt_inst_s *inst)
+{
+ struct roc_se_ctx *ctx = &sess->roc_se_ctx;
+ uint8_t op_minor = ctx->template_w4.s.opcode_minor;
+ struct rte_crypto_sym_op *sym_op = cop->sym;
+ void *mdata = NULL;
+ uint32_t mc_hash_off;
+ uint32_t flags = 0;
+ uint64_t d_offs, d_lens;
+ struct rte_mbuf *m_src, *m_dst;
+ uint8_t cpt_op = sess->cpt_op;
+#ifdef CPT_ALWAYS_USE_SG_MODE
+ uint8_t inplace = 0;
+#else
+ uint8_t inplace = 1;
+#endif
+ struct roc_se_fc_params fc_params;
+ char src[SRC_IOV_SIZE];
+ char dst[SRC_IOV_SIZE];
+ 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 *,
+ sess->iv_offset);
+ if (sess->aes_ctr && unlikely(sess->iv_length != 16)) {
+ memcpy((uint8_t *)iv_buf,
+ rte_crypto_op_ctod_offset(cop, uint8_t *,
+ sess->iv_offset),
+ 12);
+ iv_buf[3] = rte_cpu_to_be_32(0x1);
+ fc_params.iv_buf = iv_buf;
+ }
+ }
+
+ if (sess->zsk_flag) {
+ fc_params.auth_iv_buf = rte_crypto_op_ctod_offset(
+ cop, uint8_t *, sess->auth_iv_offset);
+ if (sess->zsk_flag != ROC_SE_ZS_EA)
+ inplace = 0;
+ }
+ m_src = sym_op->m_src;
+ m_dst = sym_op->m_dst;
+
+ if (sess->aes_gcm || sess->chacha_poly) {
+ uint8_t *salt;
+ uint8_t *aad_data;
+ uint16_t aad_len;
+
+ d_offs = sym_op->aead.data.offset;
+ d_lens = sym_op->aead.data.length;
+ mc_hash_off =
+ sym_op->aead.data.offset + sym_op->aead.data.length;
+
+ aad_data = sym_op->aead.aad.data;
+ aad_len = sess->aad_length;
+ if (likely((aad_data + aad_len) ==
+ rte_pktmbuf_mtod_offset(m_src, uint8_t *,
+ sym_op->aead.data.offset))) {
+ d_offs = (d_offs - aad_len) | (d_offs << 16);
+ d_lens = (d_lens + aad_len) | (d_lens << 32);
+ } else {
+ fc_params.aad_buf.vaddr = sym_op->aead.aad.data;
+ fc_params.aad_buf.size = aad_len;
+ flags |= ROC_SE_VALID_AAD_BUF;
+ inplace = 0;
+ d_offs = d_offs << 16;
+ d_lens = d_lens << 32;
+ }
+
+ salt = fc_params.iv_buf;
+ if (unlikely(*(uint32_t *)salt != sess->salt)) {
+ cpt_fc_salt_update(&sess->roc_se_ctx, salt);
+ sess->salt = *(uint32_t *)salt;
+ }
+ fc_params.iv_buf = salt + 4;
+ if (likely(sess->mac_len)) {
+ struct rte_mbuf *m =
+ (cpt_op & ROC_SE_OP_ENCODE) ? m_dst : m_src;
+
+ if (!m)
+ m = m_src;
+
+ /* hmac immediately following data is best case */
+ if (unlikely(rte_pktmbuf_mtod(m, uint8_t *) +
+ mc_hash_off !=
+ (uint8_t *)sym_op->aead.digest.data)) {
+ flags |= ROC_SE_VALID_MAC_BUF;
+ fc_params.mac_buf.size = sess->mac_len;
+ fc_params.mac_buf.vaddr =
+ sym_op->aead.digest.data;
+ inplace = 0;
+ }
+ }
+ } else {
+ d_offs = sym_op->cipher.data.offset;
+ d_lens = sym_op->cipher.data.length;
+ mc_hash_off =
+ sym_op->cipher.data.offset + sym_op->cipher.data.length;
+ d_offs = (d_offs << 16) | sym_op->auth.data.offset;
+ d_lens = (d_lens << 32) | sym_op->auth.data.length;
+
+ if (mc_hash_off <
+ (sym_op->auth.data.offset + sym_op->auth.data.length)) {
+ mc_hash_off = (sym_op->auth.data.offset +
+ sym_op->auth.data.length);
+ }
+ /* for gmac, salt should be updated like in gcm */
+ if (unlikely(sess->is_gmac)) {
+ uint8_t *salt;
+ salt = fc_params.iv_buf;
+ if (unlikely(*(uint32_t *)salt != sess->salt)) {
+ cpt_fc_salt_update(&sess->roc_se_ctx, salt);
+ sess->salt = *(uint32_t *)salt;
+ }
+ fc_params.iv_buf = salt + 4;
+ }
+ if (likely(sess->mac_len)) {
+ struct rte_mbuf *m;
+
+ m = (cpt_op & ROC_SE_OP_ENCODE) ? m_dst : m_src;
+ if (!m)
+ m = m_src;
+
+ /* hmac immediately following data is best case */
+ if (!(op_minor & ROC_SE_FC_MINOR_OP_HMAC_FIRST) &&
+ (unlikely(rte_pktmbuf_mtod(m, uint8_t *) +
+ mc_hash_off !=
+ (uint8_t *)sym_op->auth.digest.data))) {
+ flags |= ROC_SE_VALID_MAC_BUF;
+ fc_params.mac_buf.size = sess->mac_len;
+ fc_params.mac_buf.vaddr =
+ sym_op->auth.digest.data;
+ inplace = 0;
+ }
+ }
+ }
+ fc_params.ctx_buf.vaddr = &sess->roc_se_ctx;
+
+ if (!(op_minor & ROC_SE_FC_MINOR_OP_HMAC_FIRST) &&
+ unlikely(sess->is_null || sess->cpt_op == ROC_SE_OP_DECODE))
+ inplace = 0;
+
+ if (likely(!m_dst && inplace)) {
+ /* Case of single buffer without AAD buf or
+ * separate mac buf in place and
+ * not air crypto
+ */
+ fc_params.dst_iov = fc_params.src_iov = (void *)src;
+
+ if (unlikely(prepare_iov_from_pkt_inplace(m_src, &fc_params,
+ &flags))) {
+ plt_dp_err("Prepare inplace src iov failed");
+ ret = -EINVAL;
+ goto err_exit;
+ }
+
+ } else {
+ /* Out of place processing */
+ fc_params.src_iov = (void *)src;
+ fc_params.dst_iov = (void *)dst;
+
+ /* Store SG I/O in the api for reuse */
+ if (prepare_iov_from_pkt(m_src, fc_params.src_iov, 0)) {
+ plt_dp_err("Prepare src iov failed");
+ ret = -EINVAL;
+ goto err_exit;
+ }
+
+ if (unlikely(m_dst != NULL)) {
+ uint32_t pkt_len;
+
+ /* Try to make room as much as src has */
+ pkt_len = rte_pktmbuf_pkt_len(m_dst);
+
+ if (unlikely(pkt_len < rte_pktmbuf_pkt_len(m_src))) {
+ pkt_len = rte_pktmbuf_pkt_len(m_src) - pkt_len;
+ if (!rte_pktmbuf_append(m_dst, pkt_len)) {
+ plt_dp_err("Not enough space in "
+ "m_dst %p, need %u"
+ " more",
+ m_dst, pkt_len);
+ ret = -EINVAL;
+ goto err_exit;
+ }
+ }
+
+ if (prepare_iov_from_pkt(m_dst, fc_params.dst_iov, 0)) {
+ plt_dp_err("Prepare dst iov failed for "
+ "m_dst %p",
+ m_dst);
+ ret = -EINVAL;
+ goto err_exit;
+ }
+ } else {
+ fc_params.dst_iov = (void *)src;
+ }
+ }
+
+ if (unlikely(!((flags & ROC_SE_SINGLE_BUF_INPLACE) &&
+ (flags & ROC_SE_SINGLE_BUF_HEADROOM) &&
+ ((ctx->fc_type == ROC_SE_FC_GEN) ||
+ (ctx->fc_type == ROC_SE_PDCP))))) {
+ mdata = alloc_op_meta(&fc_params.meta_buf, m_info->mlen,
+ m_info->pool, infl_req);
+ if (mdata == NULL) {
+ plt_dp_err("Error allocating meta buffer for request");
+ return -ENOMEM;
+ }
+ }
+
+ /* Finally prepare the instruction */
+ if (cpt_op & ROC_SE_OP_ENCODE)
+ ret = cpt_fc_enc_hmac_prep(flags, d_offs, d_lens, &fc_params,
+ inst);
+ else
+ ret = cpt_fc_dec_hmac_prep(flags, d_offs, d_lens, &fc_params,
+ inst);
+
+ if (unlikely(ret)) {
+ plt_dp_err("Preparing request failed due to bad input arg");
+ goto free_mdata_and_exit;
+ }
+
+ return 0;
+
+free_mdata_and_exit:
+ if (infl_req->op_flags & CPT_OP_FLAGS_METABUF)
+ rte_mempool_put(m_info->pool, infl_req->mdata);
+err_exit:
+ return ret;
+}
+
+static __rte_always_inline void
+compl_auth_verify(struct rte_crypto_op *op, uint8_t *gen_mac, uint64_t mac_len)
+{
+ uint8_t *mac;
+ struct rte_crypto_sym_op *sym_op = op->sym;
+
+ if (sym_op->auth.digest.data)
+ mac = sym_op->auth.digest.data;
+ else
+ mac = rte_pktmbuf_mtod_offset(sym_op->m_src, uint8_t *,
+ sym_op->auth.data.length +
+ sym_op->auth.data.offset);
+ if (!mac) {
+ op->status = RTE_CRYPTO_OP_STATUS_ERROR;
+ return;
+ }
+
+ if (memcmp(mac, gen_mac, mac_len))
+ op->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
+ else
+ op->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
+}
+
+static __rte_always_inline void
+find_kasumif9_direction_and_length(uint8_t *src, uint32_t counter_num_bytes,
+ uint32_t *addr_length_in_bits,
+ uint8_t *addr_direction)
+{
+ uint8_t found = 0;
+ uint32_t pos;
+ uint8_t last_byte;
+ while (!found && counter_num_bytes > 0) {
+ counter_num_bytes--;
+ if (src[counter_num_bytes] == 0x00)
+ continue;
+ pos = rte_bsf32(src[counter_num_bytes]);
+ if (pos == 7) {
+ if (likely(counter_num_bytes > 0)) {
+ last_byte = src[counter_num_bytes - 1];
+ *addr_direction = last_byte & 0x1;
+ *addr_length_in_bits =
+ counter_num_bytes * 8 - 1;
+ }
+ } else {
+ last_byte = src[counter_num_bytes];
+ *addr_direction = (last_byte >> (pos + 1)) & 0x1;
+ *addr_length_in_bits =
+ counter_num_bytes * 8 + (8 - (pos + 2));
+ }
+ found = 1;
+ }
+}
+
+/*
+ * This handles all auth only except AES_GMAC
+ */
+static __rte_always_inline int
+fill_digest_params(struct rte_crypto_op *cop, struct cnxk_se_sess *sess,
+ struct cpt_qp_meta_info *m_info,
+ struct cpt_inflight_req *infl_req, struct cpt_inst_s *inst)
+{
+ uint32_t space = 0;
+ struct rte_crypto_sym_op *sym_op = cop->sym;
+ void *mdata;
+ uint32_t auth_range_off;
+ uint32_t flags = 0;
+ uint64_t d_offs = 0, d_lens;
+ struct rte_mbuf *m_src, *m_dst;
+ uint16_t auth_op = sess->cpt_op & ROC_SE_OP_AUTH_MASK;
+ uint16_t mac_len = sess->mac_len;
+ struct roc_se_fc_params params;
+ char src[SRC_IOV_SIZE];
+ uint8_t iv_buf[16];
+ int ret;
+
+ memset(¶ms, 0, sizeof(struct roc_se_fc_params));
+
+ m_src = sym_op->m_src;
+
+ mdata = alloc_op_meta(¶ms.meta_buf, m_info->mlen, m_info->pool,
+ infl_req);
+ if (mdata == NULL) {
+ ret = -ENOMEM;
+ goto err_exit;
+ }
+
+ auth_range_off = sym_op->auth.data.offset;
+
+ flags = ROC_SE_VALID_MAC_BUF;
+ params.src_iov = (void *)src;
+ if (unlikely(sess->zsk_flag)) {
+ /*
+ * Since for Zuc, Kasumi, Snow3g offsets are in bits
+ * we will send pass through even for auth only case,
+ * let MC handle it
+ */
+ 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) {
+ uint32_t length_in_bits, num_bytes;
+ uint8_t *src, direction = 0;
+
+ memcpy(iv_buf,
+ rte_pktmbuf_mtod(cop->sym->m_src, uint8_t *), 8);
+ /*
+ * This is kasumi f9, take direction from
+ * source buffer
+ */
+ length_in_bits = cop->sym->auth.data.length;
+ num_bytes = (length_in_bits >> 3);
+ src = rte_pktmbuf_mtod(cop->sym->m_src, uint8_t *);
+ find_kasumif9_direction_and_length(
+ src, num_bytes, &length_in_bits, &direction);
+ length_in_bits -= 64;
+ cop->sym->auth.data.offset += 64;
+ d_offs = cop->sym->auth.data.offset;
+ auth_range_off = d_offs / 8;
+ cop->sym->auth.data.length = length_in_bits;
+
+ /* Store it at end of auth iv */
+ iv_buf[8] = direction;
+ params.auth_iv_buf = iv_buf;
+ }
+ }
+
+ d_lens = sym_op->auth.data.length;
+
+ params.ctx_buf.vaddr = &sess->roc_se_ctx;
+
+ if (auth_op == ROC_SE_OP_AUTH_GENERATE) {
+ if (sym_op->auth.digest.data) {
+ /*
+ * Digest to be generated
+ * in separate buffer
+ */
+ params.mac_buf.size = sess->mac_len;
+ params.mac_buf.vaddr = sym_op->auth.digest.data;
+ } else {
+ uint32_t off = sym_op->auth.data.offset +
+ sym_op->auth.data.length;
+ int32_t dlen, space;
+
+ m_dst = sym_op->m_dst ? sym_op->m_dst : sym_op->m_src;
+ dlen = rte_pktmbuf_pkt_len(m_dst);
+
+ space = off + mac_len - dlen;
+ if (space > 0)
+ if (!rte_pktmbuf_append(m_dst, space)) {
+ plt_dp_err("Failed to extend "
+ "mbuf by %uB",
+ space);
+ ret = -EINVAL;
+ goto free_mdata_and_exit;
+ }
+
+ params.mac_buf.vaddr =
+ rte_pktmbuf_mtod_offset(m_dst, void *, off);
+ params.mac_buf.size = mac_len;
+ }
+ } else {
+ uint64_t *op = mdata;
+
+ /* Need space for storing generated mac */
+ space += 2 * sizeof(uint64_t);
+
+ params.mac_buf.vaddr = (uint8_t *)mdata + space;
+ params.mac_buf.size = mac_len;
+ space += RTE_ALIGN_CEIL(mac_len, 8);
+ op[0] = (uintptr_t)params.mac_buf.vaddr;
+ op[1] = mac_len;
+ infl_req->op_flags |= CPT_OP_FLAGS_AUTH_VERIFY;
+ }
+
+ params.meta_buf.vaddr = (uint8_t *)mdata + space;
+ params.meta_buf.size -= space;
+
+ /* Out of place processing */
+ params.src_iov = (void *)src;
+
+ /*Store SG I/O in the api for reuse */
+ if (prepare_iov_from_pkt(m_src, params.src_iov, auth_range_off)) {
+ plt_dp_err("Prepare src iov failed");
+ ret = -EINVAL;
+ goto free_mdata_and_exit;
+ }
+
+ ret = cpt_fc_enc_hmac_prep(flags, d_offs, d_lens, ¶ms, inst);
+ if (ret)
+ goto free_mdata_and_exit;
+
return 0;
+
+free_mdata_and_exit:
+ if (infl_req->op_flags & CPT_OP_FLAGS_METABUF)
+ rte_mempool_put(m_info->pool, infl_req->mdata);
+err_exit:
+ return ret;
}
#endif /*_CNXK_SE_H_ */
git.droids-corp.org / dpdk.git / blobdiff