#ifndef _CPT_UCODE_H_
#define _CPT_UCODE_H_
+#include <stdbool.h>
+#include "cpt_common.h"
+#include "cpt_hw_types.h"
#include "cpt_mcode_defines.h"
/*
}
static __rte_always_inline void
-gen_key_snow3g(uint8_t *ck, uint32_t *keyx)
+gen_key_snow3g(const uint8_t *ck, uint32_t *keyx)
{
int i, base;
}
}
+static __rte_always_inline void
+cpt_fc_salt_update(void *ctx,
+ uint8_t *salt)
+{
+ struct cpt_ctx *cpt_ctx = ctx;
+ memcpy(&cpt_ctx->fctx.enc.encr_iv, salt, 4);
+}
+
static __rte_always_inline int
cpt_fc_ciph_validate_key_aes(uint16_t key_len)
{
}
static __rte_always_inline int
-cpt_fc_ciph_validate_key(cipher_type_t type, struct cpt_ctx *cpt_ctx,
- uint16_t key_len)
+cpt_fc_ciph_set_type(cipher_type_t type, struct cpt_ctx *ctx, uint16_t key_len)
{
int fc_type = 0;
switch (type) {
if (unlikely(key_len != 16))
return -1;
/* No support for AEAD yet */
- if (unlikely(cpt_ctx->hash_type))
+ if (unlikely(ctx->hash_type))
return -1;
fc_type = ZUC_SNOW3G;
break;
if (unlikely(key_len != 16))
return -1;
/* No support for AEAD yet */
- if (unlikely(cpt_ctx->hash_type))
+ if (unlikely(ctx->hash_type))
return -1;
fc_type = KASUMI;
break;
default:
return -1;
}
- return fc_type;
+
+ ctx->fc_type = fc_type;
+ return 0;
}
static __rte_always_inline void
}
static __rte_always_inline void
-cpt_fc_ciph_set_key_snow3g_uea2(struct cpt_ctx *cpt_ctx, uint8_t *key,
+cpt_fc_ciph_set_key_snow3g_uea2(struct cpt_ctx *cpt_ctx, const uint8_t *key,
uint16_t key_len)
{
uint32_t keyx[4];
cpt_ctx->snow3g = 1;
gen_key_snow3g(key, keyx);
memcpy(cpt_ctx->zs_ctx.ci_key, keyx, key_len);
- cpt_ctx->fc_type = ZUC_SNOW3G;
cpt_ctx->zsk_flags = 0;
}
static __rte_always_inline void
-cpt_fc_ciph_set_key_zuc_eea3(struct cpt_ctx *cpt_ctx, uint8_t *key,
+cpt_fc_ciph_set_key_zuc_eea3(struct cpt_ctx *cpt_ctx, const uint8_t *key,
uint16_t key_len)
{
cpt_ctx->snow3g = 0;
memcpy(cpt_ctx->zs_ctx.ci_key, key, key_len);
memcpy(cpt_ctx->zs_ctx.zuc_const, zuc_d, 32);
- cpt_ctx->fc_type = ZUC_SNOW3G;
cpt_ctx->zsk_flags = 0;
}
static __rte_always_inline void
-cpt_fc_ciph_set_key_kasumi_f8_ecb(struct cpt_ctx *cpt_ctx, uint8_t *key,
+cpt_fc_ciph_set_key_kasumi_f8_ecb(struct cpt_ctx *cpt_ctx, const uint8_t *key,
uint16_t key_len)
{
cpt_ctx->k_ecb = 1;
memcpy(cpt_ctx->k_ctx.ci_key, key, key_len);
cpt_ctx->zsk_flags = 0;
- cpt_ctx->fc_type = KASUMI;
}
static __rte_always_inline void
-cpt_fc_ciph_set_key_kasumi_f8_cbc(struct cpt_ctx *cpt_ctx, uint8_t *key,
+cpt_fc_ciph_set_key_kasumi_f8_cbc(struct cpt_ctx *cpt_ctx, const uint8_t *key,
uint16_t key_len)
{
memcpy(cpt_ctx->k_ctx.ci_key, key, key_len);
cpt_ctx->zsk_flags = 0;
- cpt_ctx->fc_type = KASUMI;
}
static __rte_always_inline int
-cpt_fc_ciph_set_key(void *ctx, cipher_type_t type, uint8_t *key,
+cpt_fc_ciph_set_key(void *ctx, cipher_type_t type, const uint8_t *key,
uint16_t key_len, uint8_t *salt)
{
struct cpt_ctx *cpt_ctx = ctx;
mc_fc_context_t *fctx = &cpt_ctx->fctx;
uint64_t *ctrl_flags = NULL;
- int fc_type;
+ int ret;
- /* Validate key before proceeding */
- fc_type = cpt_fc_ciph_validate_key(type, cpt_ctx, key_len);
- if (unlikely(fc_type == -1))
+ ret = cpt_fc_ciph_set_type(type, cpt_ctx, key_len);
+ if (unlikely(ret))
return -1;
- if (fc_type == FC_GEN) {
- cpt_ctx->fc_type = FC_GEN;
+ if (cpt_ctx->fc_type == FC_GEN) {
ctrl_flags = (uint64_t *)&(fctx->enc.enc_ctrl.flags);
*ctrl_flags = rte_be_to_cpu_64(*ctrl_flags);
/*
if (!key)
goto fc_success;
}
- cpt_fc_ciph_set_key_set_aes_key_type(fctx, key_len);
- break;
- case AES_XTS:
- key_len = key_len / 2;
- cpt_fc_ciph_set_key_set_aes_key_type(fctx, key_len);
+ cpt_fc_ciph_set_key_set_aes_key_type(fctx, key_len);
+ break;
+ case AES_XTS:
+ key_len = key_len / 2;
+ cpt_fc_ciph_set_key_set_aes_key_type(fctx, key_len);
+
+ /* Copy key2 for XTS into ipad */
+ memset(fctx->hmac.ipad, 0, sizeof(fctx->hmac.ipad));
+ memcpy(fctx->hmac.ipad, &key[key_len], key_len);
+ break;
+ case SNOW3G_UEA2:
+ cpt_fc_ciph_set_key_snow3g_uea2(cpt_ctx, key, key_len);
+ goto success;
+ case ZUC_EEA3:
+ cpt_fc_ciph_set_key_zuc_eea3(cpt_ctx, key, key_len);
+ goto success;
+ case KASUMI_F8_ECB:
+ cpt_fc_ciph_set_key_kasumi_f8_ecb(cpt_ctx, key, key_len);
+ goto success;
+ case KASUMI_F8_CBC:
+ cpt_fc_ciph_set_key_kasumi_f8_cbc(cpt_ctx, key, key_len);
+ goto success;
+ default:
+ break;
+ }
+
+ /* Only for FC_GEN case */
+
+ /* For GMAC auth, cipher must be NULL */
+ if (cpt_ctx->hash_type != GMAC_TYPE)
+ CPT_P_ENC_CTRL(fctx).enc_cipher = type;
+
+ memcpy(fctx->enc.encr_key, key, key_len);
+
+fc_success:
+ if (ctrl_flags != NULL)
+ *ctrl_flags = rte_cpu_to_be_64(*ctrl_flags);
+
+success:
+ cpt_ctx->enc_cipher = type;
+
+ return 0;
+}
+
+static __rte_always_inline uint32_t
+fill_sg_comp(sg_comp_t *list,
+ uint32_t i,
+ phys_addr_t dma_addr,
+ uint32_t size)
+{
+ sg_comp_t *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(sg_comp_t *list,
+ uint32_t i,
+ buf_ptr_t *from)
+{
+ sg_comp_t *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(from->dma_addr);
+ i++;
+ return i;
+}
+
+static __rte_always_inline uint32_t
+fill_sg_comp_from_buf_min(sg_comp_t *list,
+ uint32_t i,
+ buf_ptr_t *from,
+ uint32_t *psize)
+{
+ sg_comp_t *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(from->dma_addr);
+ *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(sg_comp_t *list,
+ uint32_t i,
+ iov_ptr_t *from, uint32_t from_offset,
+ uint32_t *psize, buf_ptr_t *extra_buf,
+ uint32_t extra_offset)
+{
+ int32_t j;
+ uint32_t extra_len = extra_buf ? extra_buf->size : 0;
+ uint32_t size = *psize - extra_len;
+ buf_ptr_t *bufs;
+
+ bufs = from->bufs;
+ for (j = 0; (j < from->buf_cnt) && size; j++) {
+ phys_addr_t e_dma_addr;
+ uint32_t e_len;
+ sg_comp_t *to = &list[i >> 2];
+
+ if (!bufs[j].size)
+ continue;
+
+ if (unlikely(from_offset)) {
+ if (from_offset >= bufs[j].size) {
+ from_offset -= bufs[j].size;
+ continue;
+ }
+ e_dma_addr = bufs[j].dma_addr + from_offset;
+ e_len = (size > (bufs[j].size - from_offset)) ?
+ (bufs[j].size - from_offset) : size;
+ from_offset = 0;
+ } else {
+ e_dma_addr = bufs[j].dma_addr;
+ 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_dma_addr);
+
+ if (extra_len && (e_len >= extra_offset)) {
+ /* Break the data at given offset */
+ uint32_t next_len = e_len - extra_offset;
+ phys_addr_t next_dma = e_dma_addr + 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);
+ }
+
+ /* Insert extra data ptr */
+ if (extra_len) {
+ i++;
+ to = &list[i >> 2];
+ to->u.s.len[i % 4] =
+ rte_cpu_to_be_16(extra_buf->size);
+ to->ptr[i % 4] =
+ rte_cpu_to_be_64(extra_buf->dma_addr);
+
+ /* size already decremented by extra len */
+ }
+
+ /* 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_dma);
+ 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 void
+cpt_digest_gen_prep(uint32_t flags,
+ uint64_t d_lens,
+ digest_params_t *params,
+ void *op,
+ void **prep_req)
+{
+ struct cpt_request_info *req;
+ uint32_t size, i;
+ uint16_t data_len, mac_len, key_len;
+ auth_type_t hash_type;
+ buf_ptr_t *meta_p;
+ struct cpt_ctx *ctx;
+ sg_comp_t *gather_comp;
+ sg_comp_t *scatter_comp;
+ uint8_t *in_buffer;
+ uint32_t g_size_bytes, s_size_bytes;
+ uint64_t dptr_dma, rptr_dma;
+ vq_cmd_word0_t vq_cmd_w0;
+ vq_cmd_word3_t vq_cmd_w3;
+ void *c_vaddr, *m_vaddr;
+ uint64_t c_dma, m_dma;
+ opcode_info_t opcode;
+
+ ctx = params->ctx_buf.vaddr;
+ meta_p = ¶ms->meta_buf;
+
+ m_vaddr = meta_p->vaddr;
+ m_dma = meta_p->dma_addr;
+
+ /*
+ * Save initial space that followed app data for completion code &
+ * alternate completion code to fall in same cache line as app data
+ */
+ m_vaddr = (uint8_t *)m_vaddr + COMPLETION_CODE_SIZE;
+ m_dma += COMPLETION_CODE_SIZE;
+ size = (uint8_t *)RTE_PTR_ALIGN((uint8_t *)m_vaddr, 16) -
+ (uint8_t *)m_vaddr;
+ c_vaddr = (uint8_t *)m_vaddr + size;
+ c_dma = m_dma + size;
+ size += sizeof(cpt_res_s_t);
+
+ m_vaddr = (uint8_t *)m_vaddr + size;
+ m_dma += size;
+
+ req = m_vaddr;
+
+ size = sizeof(struct cpt_request_info);
+ m_vaddr = (uint8_t *)m_vaddr + size;
+ m_dma += size;
+
+ hash_type = ctx->hash_type;
+ mac_len = ctx->mac_len;
+ key_len = ctx->auth_key_len;
+ data_len = AUTH_DLEN(d_lens);
+
+ /*GP op header */
+ vq_cmd_w0.u64 = 0;
+ vq_cmd_w0.s.param2 = ((uint16_t)hash_type << 8);
+ if (ctx->hmac) {
+ opcode.s.major = CPT_MAJOR_OP_HMAC | CPT_DMA_MODE;
+ vq_cmd_w0.s.param1 = key_len;
+ vq_cmd_w0.s.dlen = data_len + ROUNDUP8(key_len);
+ } else {
+ opcode.s.major = CPT_MAJOR_OP_HASH | CPT_DMA_MODE;
+ vq_cmd_w0.s.param1 = 0;
+ vq_cmd_w0.s.dlen = data_len;
+ }
+
+ opcode.s.minor = 0;
+
+ /* Null auth only case enters the if */
+ if (unlikely(!hash_type && !ctx->enc_cipher)) {
+ opcode.s.major = CPT_MAJOR_OP_MISC;
+ /* Minor op is passthrough */
+ opcode.s.minor = 0x03;
+ /* Send out completion code only */
+ vq_cmd_w0.s.param2 = 0x1;
+ }
+
+ vq_cmd_w0.s.opcode = opcode.flags;
+
+ /* DPTR has SG list */
+ in_buffer = m_vaddr;
+ dptr_dma = m_dma;
+
+ ((uint16_t *)in_buffer)[0] = 0;
+ ((uint16_t *)in_buffer)[1] = 0;
+
+ /* TODO Add error check if space will be sufficient */
+ gather_comp = (sg_comp_t *)((uint8_t *)m_vaddr + 8);
+
+ /*
+ * Input gather list
+ */
+
+ i = 0;
+
+ if (ctx->hmac) {
+ uint64_t k_dma = params->ctx_buf.dma_addr +
+ offsetof(struct cpt_ctx, auth_key);
+ /* Key */
+ i = fill_sg_comp(gather_comp, i, k_dma, ROUNDUP8(key_len));
+ }
+
+ /* 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)) {
+ CPT_LOG_DP_DEBUG("Insufficient dst IOV size, short"
+ " by %dB", size);
+ return;
+ }
+ } 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(sg_comp_t);
+
+ /*
+ * Output Gather list
+ */
+
+ i = 0;
+ scatter_comp = (sg_comp_t *)((uint8_t *)gather_comp + g_size_bytes);
+
+ if (flags & VALID_MAC_BUF) {
+ if (unlikely(params->mac_buf.size < mac_len)) {
+ CPT_LOG_DP_ERR("Insufficient MAC size");
+ return;
+ }
+
+ 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)) {
+ CPT_LOG_DP_ERR("Insufficient dst IOV size, short by"
+ " %dB", size);
+ return;
+ }
+ }
+
+ ((uint16_t *)in_buffer)[3] = rte_cpu_to_be_16(i);
+ s_size_bytes = ((i + 3) / 4) * sizeof(sg_comp_t);
+
+ size = g_size_bytes + s_size_bytes + SG_LIST_HDR_SIZE;
+
+ /* This is DPTR len incase of SG mode */
+ vq_cmd_w0.s.dlen = size;
+
+ m_vaddr = (uint8_t *)m_vaddr + size;
+ m_dma += size;
+
+ /* cpt alternate completion address saved earlier */
+ req->alternate_caddr = (uint64_t *)((uint8_t *)c_vaddr - 8);
+ *req->alternate_caddr = ~((uint64_t)COMPLETION_CODE_INIT);
+ rptr_dma = c_dma - 8;
+
+ req->ist.ei1 = dptr_dma;
+ req->ist.ei2 = rptr_dma;
+
+ /* vq command w3 */
+ vq_cmd_w3.u64 = 0;
+
+ /* 16 byte aligned cpt res address */
+ req->completion_addr = (uint64_t *)((uint8_t *)c_vaddr);
+ *req->completion_addr = COMPLETION_CODE_INIT;
+ req->comp_baddr = c_dma;
+
+ /* Fill microcode part of instruction */
+ req->ist.ei0 = vq_cmd_w0.u64;
+ req->ist.ei3 = vq_cmd_w3.u64;
+
+ req->op = op;
+
+ *prep_req = req;
+ return;
+}
+
+static __rte_always_inline void
+cpt_enc_hmac_prep(uint32_t flags,
+ uint64_t d_offs,
+ uint64_t d_lens,
+ fc_params_t *fc_params,
+ void *op,
+ void **prep_req)
+{
+ uint32_t iv_offset = 0;
+ int32_t inputlen, outputlen, enc_dlen, auth_dlen;
+ struct cpt_ctx *cpt_ctx;
+ uint32_t cipher_type, hash_type;
+ uint32_t mac_len, size;
+ uint8_t iv_len = 16;
+ struct cpt_request_info *req;
+ buf_ptr_t *meta_p, *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;
+ void *m_vaddr, *offset_vaddr;
+ uint64_t m_dma, offset_dma, ctx_dma;
+ vq_cmd_word0_t vq_cmd_w0;
+ vq_cmd_word3_t vq_cmd_w3;
+ void *c_vaddr;
+ uint64_t c_dma;
+ opcode_info_t opcode;
+
+ meta_p = &fc_params->meta_buf;
+ m_vaddr = meta_p->vaddr;
+ m_dma = meta_p->dma_addr;
+
+ encr_offset = ENCR_OFFSET(d_offs);
+ auth_offset = AUTH_OFFSET(d_offs);
+ encr_data_len = ENCR_DLEN(d_lens);
+ auth_data_len = AUTH_DLEN(d_lens);
+ if (unlikely(flags & VALID_AAD_BUF)) {
+ /*
+ * We dont 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;
+ }
+ cpt_ctx = fc_params->ctx_buf.vaddr;
+ cipher_type = cpt_ctx->enc_cipher;
+ hash_type = cpt_ctx->hash_type;
+ mac_len = cpt_ctx->mac_len;
+
+ /*
+ * Save initial space that followed app data for completion code &
+ * alternate completion code to fall in same cache line as app data
+ */
+ m_vaddr = (uint8_t *)m_vaddr + COMPLETION_CODE_SIZE;
+ m_dma += COMPLETION_CODE_SIZE;
+ size = (uint8_t *)RTE_PTR_ALIGN((uint8_t *)m_vaddr, 16) -
+ (uint8_t *)m_vaddr;
+
+ c_vaddr = (uint8_t *)m_vaddr + size;
+ c_dma = m_dma + size;
+ size += sizeof(cpt_res_s_t);
+
+ m_vaddr = (uint8_t *)m_vaddr + size;
+ m_dma += size;
+
+ /* start cpt request info struct at 8 byte boundary */
+ size = (uint8_t *)RTE_PTR_ALIGN(m_vaddr, 8) -
+ (uint8_t *)m_vaddr;
+
+ req = (struct cpt_request_info *)((uint8_t *)m_vaddr + size);
+
+ size += sizeof(struct cpt_request_info);
+ m_vaddr = (uint8_t *)m_vaddr + size;
+ m_dma += size;
+
+ if (hash_type == GMAC_TYPE)
+ encr_data_len = 0;
+
+ if (unlikely(!(flags & VALID_IV_BUF))) {
+ iv_len = 0;
+ iv_offset = ENCR_IV_OFFSET(d_offs);
+ }
+
+ if (unlikely(flags & 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 != 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 */
+ opcode.s.major = CPT_MAJOR_OP_FC;
+ opcode.s.minor = 0;
+
+ auth_dlen = auth_offset + auth_data_len;
+ enc_dlen = encr_data_len + encr_offset;
+ if (unlikely(encr_data_len & 0xf)) {
+ if ((cipher_type == DES3_CBC) || (cipher_type == DES3_ECB))
+ enc_dlen = ROUNDUP8(encr_data_len) + encr_offset;
+ else if (likely((cipher_type == AES_CBC) ||
+ (cipher_type == AES_ECB)))
+ enc_dlen = ROUNDUP16(encr_data_len) + encr_offset;
+ }
+
+ if (unlikely(hash_type == GMAC_TYPE)) {
+ encr_offset = auth_dlen;
+ enc_dlen = 0;
+ }
+
+ if (unlikely(auth_dlen > enc_dlen)) {
+ inputlen = auth_dlen;
+ outputlen = auth_dlen + mac_len;
+ } else {
+ inputlen = enc_dlen;
+ outputlen = enc_dlen + mac_len;
+ }
+
+ /* GP op header */
+ vq_cmd_w0.u64 = 0;
+ vq_cmd_w0.s.param1 = encr_data_len;
+ vq_cmd_w0.s.param2 = auth_data_len;
+ /*
+ * In 83XX 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 & SINGLE_BUF_INPLACE) &&
+ (flags & SINGLE_BUF_HEADTAILROOM))) {
+ void *dm_vaddr = fc_params->bufs[0].vaddr;
+ uint64_t dm_dma_addr = fc_params->bufs[0].dma_addr;
+ /*
+ * This flag indicates that there is 24 bytes head room and
+ * 8 bytes tail room available, so that we get to do
+ * DIRECT MODE with limitation
+ */
+
+ offset_vaddr = (uint8_t *)dm_vaddr - OFF_CTRL_LEN - iv_len;
+ offset_dma = dm_dma_addr - OFF_CTRL_LEN - iv_len;
+
+ /* DPTR */
+ req->ist.ei1 = offset_dma;
+ /* RPTR should just exclude offset control word */
+ req->ist.ei2 = dm_dma_addr - iv_len;
+ req->alternate_caddr = (uint64_t *)((uint8_t *)dm_vaddr
+ + outputlen - iv_len);
+
+ vq_cmd_w0.s.dlen = inputlen + OFF_CTRL_LEN;
+
+ vq_cmd_w0.s.opcode = opcode.flags;
+
+ if (likely(iv_len)) {
+ uint64_t *dest = (uint64_t *)((uint8_t *)offset_vaddr
+ + OFF_CTRL_LEN);
+ uint64_t *src = fc_params->iv_buf;
+ dest[0] = src[0];
+ dest[1] = src[1];
+ }
+
+ *(uint64_t *)offset_vaddr =
+ rte_cpu_to_be_64(((uint64_t)encr_offset << 16) |
+ ((uint64_t)iv_offset << 8) |
+ ((uint64_t)auth_offset));
+
+ } else {
+ uint32_t i, g_size_bytes, s_size_bytes;
+ uint64_t dptr_dma, rptr_dma;
+ sg_comp_t *gather_comp;
+ sg_comp_t *scatter_comp;
+ uint8_t *in_buffer;
+
+ /* This falls under strict SG mode */
+ offset_vaddr = m_vaddr;
+ offset_dma = m_dma;
+ size = OFF_CTRL_LEN + iv_len;
+
+ m_vaddr = (uint8_t *)m_vaddr + size;
+ m_dma += size;
+
+ opcode.s.major |= CPT_DMA_MODE;
+
+ vq_cmd_w0.s.opcode = opcode.flags;
+
+ if (likely(iv_len)) {
+ uint64_t *dest = (uint64_t *)((uint8_t *)offset_vaddr
+ + OFF_CTRL_LEN);
+ uint64_t *src = fc_params->iv_buf;
+ dest[0] = src[0];
+ dest[1] = src[1];
+ }
+
+ *(uint64_t *)offset_vaddr =
+ rte_cpu_to_be_64(((uint64_t)encr_offset << 16) |
+ ((uint64_t)iv_offset << 8) |
+ ((uint64_t)auth_offset));
+
+ /* DPTR has SG list */
+ in_buffer = m_vaddr;
+ dptr_dma = m_dma;
+
+ ((uint16_t *)in_buffer)[0] = 0;
+ ((uint16_t *)in_buffer)[1] = 0;
+
+ /* TODO Add error check if space will be sufficient */
+ gather_comp = (sg_comp_t *)((uint8_t *)m_vaddr + 8);
+
+ /*
+ * Input Gather List
+ */
+
+ i = 0;
+
+ /* Offset control word that includes iv */
+ i = fill_sg_comp(gather_comp, i, offset_dma,
+ 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 & 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)) {
+ CPT_LOG_DP_ERR("Insufficient buffer space,"
+ " size %d needed", size);
+ return;
+ }
+ }
+ ((uint16_t *)in_buffer)[2] = rte_cpu_to_be_16(i);
+ g_size_bytes = ((i + 3) / 4) * sizeof(sg_comp_t);
+
+ /*
+ * Output Scatter list
+ */
+ i = 0;
+ scatter_comp =
+ (sg_comp_t *)((uint8_t *)gather_comp + g_size_bytes);
+
+ /* Add IV */
+ if (likely(iv_len)) {
+ i = fill_sg_comp(scatter_comp, i,
+ offset_dma + OFF_CTRL_LEN,
+ iv_len);
+ }
+
+ /* output data or output data + digest*/
+ if (unlikely(flags & VALID_MAC_BUF)) {
+ size = outputlen - iv_len - mac_len;
+ if (size) {
+ uint32_t aad_offset =
+ aad_len ? passthrough_len : 0;
+
+ if (unlikely(flags & 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)) {
+ CPT_LOG_DP_ERR("Insufficient buffer"
+ " space, size %d needed",
+ size);
+ return;
+ }
+ }
+ /* 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 & 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)) {
+ CPT_LOG_DP_ERR("Insufficient buffer"
+ " space, size %d needed",
+ size);
+ return;
+ }
+ }
+ }
+ ((uint16_t *)in_buffer)[3] = rte_cpu_to_be_16(i);
+ s_size_bytes = ((i + 3) / 4) * sizeof(sg_comp_t);
+
+ size = g_size_bytes + s_size_bytes + SG_LIST_HDR_SIZE;
+
+ /* This is DPTR len incase of SG mode */
+ vq_cmd_w0.s.dlen = size;
+
+ m_vaddr = (uint8_t *)m_vaddr + size;
+ m_dma += size;
+
+ /* cpt alternate completion address saved earlier */
+ req->alternate_caddr = (uint64_t *)((uint8_t *)c_vaddr - 8);
+ *req->alternate_caddr = ~((uint64_t)COMPLETION_CODE_INIT);
+ rptr_dma = c_dma - 8;
+
+ req->ist.ei1 = dptr_dma;
+ req->ist.ei2 = rptr_dma;
+ }
+
+ ctx_dma = fc_params->ctx_buf.dma_addr +
+ offsetof(struct cpt_ctx, fctx);
+ /* vq command w3 */
+ vq_cmd_w3.u64 = 0;
+ vq_cmd_w3.s.grp = 0;
+ vq_cmd_w3.s.cptr = ctx_dma;
+
+ /* 16 byte aligned cpt res address */
+ req->completion_addr = (uint64_t *)((uint8_t *)c_vaddr);
+ *req->completion_addr = COMPLETION_CODE_INIT;
+ req->comp_baddr = c_dma;
+
+ /* Fill microcode part of instruction */
+ req->ist.ei0 = vq_cmd_w0.u64;
+ req->ist.ei3 = vq_cmd_w3.u64;
+
+ req->op = op;
+
+ *prep_req = req;
+ return;
+}
+
+static __rte_always_inline void
+cpt_dec_hmac_prep(uint32_t flags,
+ uint64_t d_offs,
+ uint64_t d_lens,
+ fc_params_t *fc_params,
+ void *op,
+ void **prep_req)
+{
+ uint32_t iv_offset = 0, size;
+ int32_t inputlen, outputlen, enc_dlen, auth_dlen;
+ struct cpt_ctx *cpt_ctx;
+ int32_t hash_type, mac_len;
+ uint8_t iv_len = 16;
+ struct cpt_request_info *req;
+ buf_ptr_t *meta_p, *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;
+ void *m_vaddr, *offset_vaddr;
+ uint64_t m_dma, offset_dma, ctx_dma;
+ opcode_info_t opcode;
+ vq_cmd_word0_t vq_cmd_w0;
+ vq_cmd_word3_t vq_cmd_w3;
+ void *c_vaddr;
+ uint64_t c_dma;
+
+ meta_p = &fc_params->meta_buf;
+ m_vaddr = meta_p->vaddr;
+ m_dma = meta_p->dma_addr;
+
+ encr_offset = ENCR_OFFSET(d_offs);
+ auth_offset = AUTH_OFFSET(d_offs);
+ encr_data_len = ENCR_DLEN(d_lens);
+ auth_data_len = AUTH_DLEN(d_lens);
+
+ if (unlikely(flags & VALID_AAD_BUF)) {
+ /*
+ * We dont 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;
+ }
+
+ cpt_ctx = fc_params->ctx_buf.vaddr;
+ hash_type = cpt_ctx->hash_type;
+ mac_len = cpt_ctx->mac_len;
+
+ if (hash_type == GMAC_TYPE)
+ encr_data_len = 0;
+
+ if (unlikely(!(flags & VALID_IV_BUF))) {
+ iv_len = 0;
+ iv_offset = ENCR_IV_OFFSET(d_offs);
+ }
+
+ if (unlikely(flags & 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 != 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;
+ }
+
+ /*
+ * Save initial space that followed app data for completion code &
+ * alternate completion code to fall in same cache line as app data
+ */
+ m_vaddr = (uint8_t *)m_vaddr + COMPLETION_CODE_SIZE;
+ m_dma += COMPLETION_CODE_SIZE;
+ size = (uint8_t *)RTE_PTR_ALIGN((uint8_t *)m_vaddr, 16) -
+ (uint8_t *)m_vaddr;
+ c_vaddr = (uint8_t *)m_vaddr + size;
+ c_dma = m_dma + size;
+ size += sizeof(cpt_res_s_t);
+
+ m_vaddr = (uint8_t *)m_vaddr + size;
+ m_dma += size;
+
+ /* start cpt request info structure at 8 byte alignment */
+ size = (uint8_t *)RTE_PTR_ALIGN(m_vaddr, 8) -
+ (uint8_t *)m_vaddr;
+
+ req = (struct cpt_request_info *)((uint8_t *)m_vaddr + size);
+
+ size += sizeof(struct cpt_request_info);
+ m_vaddr = (uint8_t *)m_vaddr + size;
+ m_dma += size;
+
+ /* Decryption */
+ opcode.s.major = CPT_MAJOR_OP_FC;
+ opcode.s.minor = 1;
+
+ 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 (hash_type == GMAC_TYPE)
+ encr_offset = inputlen;
+
+ vq_cmd_w0.u64 = 0;
+ vq_cmd_w0.s.param1 = encr_data_len;
+ vq_cmd_w0.s.param2 = auth_data_len;
+
+ /*
+ * In 83XX 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 & SINGLE_BUF_INPLACE) &&
+ (flags & SINGLE_BUF_HEADTAILROOM))) {
+ void *dm_vaddr = fc_params->bufs[0].vaddr;
+ uint64_t dm_dma_addr = fc_params->bufs[0].dma_addr;
+ /*
+ * This flag indicates that there is 24 bytes head room and
+ * 8 bytes tail room available, so that we get to do
+ * DIRECT MODE with limitation
+ */
+
+ offset_vaddr = (uint8_t *)dm_vaddr - OFF_CTRL_LEN - iv_len;
+ offset_dma = dm_dma_addr - OFF_CTRL_LEN - iv_len;
+ req->ist.ei1 = offset_dma;
+
+ /* RPTR should just exclude offset control word */
+ req->ist.ei2 = dm_dma_addr - iv_len;
+
+ req->alternate_caddr = (uint64_t *)((uint8_t *)dm_vaddr +
+ outputlen - iv_len);
+ /* since this is decryption,
+ * don't touch the content of
+ * alternate ccode space as it contains
+ * hmac.
+ */
+
+ vq_cmd_w0.s.dlen = inputlen + OFF_CTRL_LEN;
+
+ vq_cmd_w0.s.opcode = opcode.flags;
+
+ if (likely(iv_len)) {
+ uint64_t *dest = (uint64_t *)((uint8_t *)offset_vaddr +
+ OFF_CTRL_LEN);
+ uint64_t *src = fc_params->iv_buf;
+ dest[0] = src[0];
+ dest[1] = src[1];
+ }
+
+ *(uint64_t *)offset_vaddr =
+ rte_cpu_to_be_64(((uint64_t)encr_offset << 16) |
+ ((uint64_t)iv_offset << 8) |
+ ((uint64_t)auth_offset));
+
+ } else {
+ uint64_t dptr_dma, rptr_dma;
+ uint32_t g_size_bytes, s_size_bytes;
+ sg_comp_t *gather_comp;
+ sg_comp_t *scatter_comp;
+ uint8_t *in_buffer;
+ uint8_t i = 0;
+
+ /* This falls under strict SG mode */
+ offset_vaddr = m_vaddr;
+ offset_dma = m_dma;
+ size = OFF_CTRL_LEN + iv_len;
+
+ m_vaddr = (uint8_t *)m_vaddr + size;
+ m_dma += size;
+
+ opcode.s.major |= CPT_DMA_MODE;
+
+ vq_cmd_w0.s.opcode = opcode.flags;
+
+ if (likely(iv_len)) {
+ uint64_t *dest = (uint64_t *)((uint8_t *)offset_vaddr +
+ OFF_CTRL_LEN);
+ uint64_t *src = fc_params->iv_buf;
+ dest[0] = src[0];
+ dest[1] = src[1];
+ }
+
+ *(uint64_t *)offset_vaddr =
+ rte_cpu_to_be_64(((uint64_t)encr_offset << 16) |
+ ((uint64_t)iv_offset << 8) |
+ ((uint64_t)auth_offset));
+
+ /* DPTR has SG list */
+ in_buffer = m_vaddr;
+ dptr_dma = m_dma;
+
+ ((uint16_t *)in_buffer)[0] = 0;
+ ((uint16_t *)in_buffer)[1] = 0;
+
+ /* TODO Add error check if space will be sufficient */
+ gather_comp = (sg_comp_t *)((uint8_t *)m_vaddr + 8);
+
+ /*
+ * Input Gather List
+ */
+ i = 0;
+
+ /* Offset control word that includes iv */
+ i = fill_sg_comp(gather_comp, i, offset_dma,
+ OFF_CTRL_LEN + iv_len);
+
+ /* Add input data */
+ if (flags & VALID_MAC_BUF) {
+ size = inputlen - iv_len - mac_len;
+ if (size) {
+ /* input data only */
+ if (unlikely(flags & 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)) {
+ CPT_LOG_DP_ERR("Insufficient buffer"
+ " space, size %d needed",
+ size);
+ return;
+ }
+ }
+
+ /* 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 & 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)) {
+ CPT_LOG_DP_ERR("Bad input args");
+ return;
+ }
+
+ i = fill_sg_comp_from_iov(
+ gather_comp, i,
+ fc_params->src_iov,
+ 0, &size,
+ aad_buf,
+ aad_offset);
+ }
+
+ if (unlikely(size)) {
+ CPT_LOG_DP_ERR("Insufficient buffer"
+ " space, size %d needed",
+ size);
+ return;
+ }
+ }
+ }
+ ((uint16_t *)in_buffer)[2] = rte_cpu_to_be_16(i);
+ g_size_bytes = ((i + 3) / 4) * sizeof(sg_comp_t);
+
+ /*
+ * Output Scatter List
+ */
+
+ i = 0;
+ scatter_comp =
+ (sg_comp_t *)((uint8_t *)gather_comp + g_size_bytes);
+
+ /* Add iv */
+ if (iv_len) {
+ i = fill_sg_comp(scatter_comp, i,
+ offset_dma + OFF_CTRL_LEN,
+ iv_len);
+ }
+
+ /* Add output data */
+ size = outputlen - iv_len;
+ if (size) {
+ if (unlikely(flags & 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)) {
+ CPT_LOG_DP_ERR("Bad input args");
+ return;
+ }
+
+ i = fill_sg_comp_from_iov(scatter_comp, i,
+ fc_params->dst_iov, 0,
+ &size, aad_buf,
+ aad_offset);
+ }
+
+ if (unlikely(size)) {
+ CPT_LOG_DP_ERR("Insufficient buffer space,"
+ " size %d needed", size);
+ return;
+ }
+ }
+
+ ((uint16_t *)in_buffer)[3] = rte_cpu_to_be_16(i);
+ s_size_bytes = ((i + 3) / 4) * sizeof(sg_comp_t);
+
+ size = g_size_bytes + s_size_bytes + SG_LIST_HDR_SIZE;
+
+ /* This is DPTR len incase of SG mode */
+ vq_cmd_w0.s.dlen = size;
+
+ m_vaddr = (uint8_t *)m_vaddr + size;
+ m_dma += size;
+
+ /* cpt alternate completion address saved earlier */
+ req->alternate_caddr = (uint64_t *)((uint8_t *)c_vaddr - 8);
+ *req->alternate_caddr = ~((uint64_t)COMPLETION_CODE_INIT);
+ rptr_dma = c_dma - 8;
+ size += COMPLETION_CODE_SIZE;
+
+ req->ist.ei1 = dptr_dma;
+ req->ist.ei2 = rptr_dma;
+ }
+
+ ctx_dma = fc_params->ctx_buf.dma_addr +
+ offsetof(struct cpt_ctx, fctx);
+ /* vq command w3 */
+ vq_cmd_w3.u64 = 0;
+ vq_cmd_w3.s.grp = 0;
+ vq_cmd_w3.s.cptr = ctx_dma;
+
+ /* 16 byte aligned cpt res address */
+ req->completion_addr = (uint64_t *)((uint8_t *)c_vaddr);
+ *req->completion_addr = COMPLETION_CODE_INIT;
+ req->comp_baddr = c_dma;
+
+ /* Fill microcode part of instruction */
+ req->ist.ei0 = vq_cmd_w0.u64;
+ req->ist.ei3 = vq_cmd_w3.u64;
+
+ req->op = op;
+
+ *prep_req = req;
+ return;
+}
+
+static __rte_always_inline void
+cpt_zuc_snow3g_enc_prep(uint32_t req_flags,
+ uint64_t d_offs,
+ uint64_t d_lens,
+ fc_params_t *params,
+ void *op,
+ void **prep_req)
+{
+ uint32_t size;
+ int32_t inputlen, outputlen;
+ struct cpt_ctx *cpt_ctx;
+ uint32_t mac_len = 0;
+ uint8_t snow3g, j;
+ struct cpt_request_info *req;
+ buf_ptr_t *buf_p;
+ uint32_t encr_offset = 0, auth_offset = 0;
+ uint32_t encr_data_len = 0, auth_data_len = 0;
+ int flags, iv_len = 16;
+ void *m_vaddr, *c_vaddr;
+ uint64_t m_dma, c_dma, offset_ctrl;
+ uint64_t *offset_vaddr, offset_dma;
+ uint32_t *iv_s, iv[4];
+ vq_cmd_word0_t vq_cmd_w0;
+ vq_cmd_word3_t vq_cmd_w3;
+ opcode_info_t opcode;
+
+ buf_p = ¶ms->meta_buf;
+ m_vaddr = buf_p->vaddr;
+ m_dma = buf_p->dma_addr;
+
+ cpt_ctx = params->ctx_buf.vaddr;
+ flags = cpt_ctx->zsk_flags;
+ mac_len = cpt_ctx->mac_len;
+ snow3g = cpt_ctx->snow3g;
+
+ /*
+ * Save initial space that followed app data for completion code &
+ * alternate completion code to fall in same cache line as app data
+ */
+ m_vaddr = (uint8_t *)m_vaddr + COMPLETION_CODE_SIZE;
+ m_dma += COMPLETION_CODE_SIZE;
+ size = (uint8_t *)RTE_PTR_ALIGN((uint8_t *)m_vaddr, 16) -
+ (uint8_t *)m_vaddr;
+
+ c_vaddr = (uint8_t *)m_vaddr + size;
+ c_dma = m_dma + size;
+ size += sizeof(cpt_res_s_t);
+
+ m_vaddr = (uint8_t *)m_vaddr + size;
+ m_dma += size;
+
+ /* Reserve memory for cpt request info */
+ req = m_vaddr;
+
+ size = sizeof(struct cpt_request_info);
+ m_vaddr = (uint8_t *)m_vaddr + size;
+ m_dma += size;
+
+ opcode.s.major = CPT_MAJOR_OP_ZUC_SNOW3G;
+
+ /* indicates CPTR ctx, operation type, KEY & IV mode from DPTR */
+
+ opcode.s.minor = ((1 << 7) | (snow3g << 5) | (0 << 4) |
+ (0 << 3) | (flags & 0x7));
+
+ if (flags == 0x1) {
+ /*
+ * Microcode expects offsets in bytes
+ * TODO: Rounding off
+ */
+ auth_data_len = AUTH_DLEN(d_lens);
+
+ /* EIA3 or UIA2 */
+ auth_offset = 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);
+
+ } else {
+ /* EEA3 or UEA2 */
+ /*
+ * Microcode expects offsets in bytes
+ * TODO: Rounding off
+ */
+ encr_data_len = ENCR_DLEN(d_lens);
+
+ encr_offset = 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);
+ }
+
+ /* IV */
+ iv_s = (flags == 0x1) ? params->auth_iv_buf :
+ params->iv_buf;
+
+ if (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.
+ */
+ vq_cmd_w0.u64 = 0;
+ vq_cmd_w0.s.param1 = encr_data_len;
+ vq_cmd_w0.s.param2 = auth_data_len;
+
+ /*
+ * In 83XX 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 & SINGLE_BUF_INPLACE) &&
+ (req_flags & SINGLE_BUF_HEADTAILROOM))) {
+ void *dm_vaddr = params->bufs[0].vaddr;
+ uint64_t dm_dma_addr = params->bufs[0].dma_addr;
+ /*
+ * This flag indicates that there is 24 bytes head room and
+ * 8 bytes tail room available, so that we get to do
+ * DIRECT MODE with limitation
+ */
+
+ offset_vaddr = (uint64_t *)((uint8_t *)dm_vaddr -
+ OFF_CTRL_LEN - iv_len);
+ offset_dma = dm_dma_addr - OFF_CTRL_LEN - iv_len;
+
+ /* DPTR */
+ req->ist.ei1 = offset_dma;
+ /* RPTR should just exclude offset control word */
+ req->ist.ei2 = dm_dma_addr - iv_len;
+ req->alternate_caddr = (uint64_t *)((uint8_t *)dm_vaddr
+ + outputlen - iv_len);
+
+ vq_cmd_w0.s.dlen = inputlen + OFF_CTRL_LEN;
+
+ vq_cmd_w0.s.opcode = opcode.flags;
+
+ if (likely(iv_len)) {
+ uint32_t *iv_d = (uint32_t *)((uint8_t *)offset_vaddr
+ + OFF_CTRL_LEN);
+ memcpy(iv_d, iv, 16);
+ }
+
+ *offset_vaddr = offset_ctrl;
+ } else {
+ uint32_t i, g_size_bytes, s_size_bytes;
+ uint64_t dptr_dma, rptr_dma;
+ sg_comp_t *gather_comp;
+ sg_comp_t *scatter_comp;
+ uint8_t *in_buffer;
+ uint32_t *iv_d;
+
+ /* save space for iv */
+ offset_vaddr = m_vaddr;
+ offset_dma = m_dma;
+
+ m_vaddr = (uint8_t *)m_vaddr + OFF_CTRL_LEN + iv_len;
+ m_dma += OFF_CTRL_LEN + iv_len;
+
+ opcode.s.major |= CPT_DMA_MODE;
+
+ vq_cmd_w0.s.opcode = opcode.flags;
+
+ /* DPTR has SG list */
+ in_buffer = m_vaddr;
+ dptr_dma = m_dma;
+
+ ((uint16_t *)in_buffer)[0] = 0;
+ ((uint16_t *)in_buffer)[1] = 0;
+
+ /* TODO Add error check if space will be sufficient */
+ gather_comp = (sg_comp_t *)((uint8_t *)m_vaddr + 8);
+
+ /*
+ * Input Gather List
+ */
+ i = 0;
+
+ /* Offset control word followed by iv */
+
+ i = fill_sg_comp(gather_comp, i, offset_dma,
+ OFF_CTRL_LEN + iv_len);
+
+ /* iv offset is 0 */
+ *offset_vaddr = offset_ctrl;
+
+ iv_d = (uint32_t *)((uint8_t *)offset_vaddr + OFF_CTRL_LEN);
+ memcpy(iv_d, iv, 16);
+
+ /* 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)) {
+ CPT_LOG_DP_ERR("Insufficient buffer space,"
+ " size %d needed", size);
+ return;
+ }
+ }
+ ((uint16_t *)in_buffer)[2] = rte_cpu_to_be_16(i);
+ g_size_bytes = ((i + 3) / 4) * sizeof(sg_comp_t);
+
+ /*
+ * Output Scatter List
+ */
+
+ i = 0;
+ scatter_comp =
+ (sg_comp_t *)((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,
+ offset_dma + OFF_CTRL_LEN, iv_len);
+ }
+
+ /* Add output data */
+ if (req_flags & 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)) {
+ CPT_LOG_DP_ERR("Insufficient buffer space,"
+ " size %d needed", size);
+ return;
+ }
+ }
+
+ /* 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)) {
+ CPT_LOG_DP_ERR("Insufficient buffer space,"
+ " size %d needed", size);
+ return;
+ }
+ }
+ }
+ ((uint16_t *)in_buffer)[3] = rte_cpu_to_be_16(i);
+ s_size_bytes = ((i + 3) / 4) * sizeof(sg_comp_t);
+
+ size = g_size_bytes + s_size_bytes + SG_LIST_HDR_SIZE;
+
+ /* This is DPTR len incase of SG mode */
+ vq_cmd_w0.s.dlen = size;
+
+ m_vaddr = (uint8_t *)m_vaddr + size;
+ m_dma += size;
+
+ /* cpt alternate completion address saved earlier */
+ req->alternate_caddr = (uint64_t *)((uint8_t *)c_vaddr - 8);
+ *req->alternate_caddr = ~((uint64_t)COMPLETION_CODE_INIT);
+ rptr_dma = c_dma - 8;
+
+ req->ist.ei1 = dptr_dma;
+ req->ist.ei2 = rptr_dma;
+ }
+
+ /* vq command w3 */
+ vq_cmd_w3.u64 = 0;
+ vq_cmd_w3.s.grp = 0;
+ vq_cmd_w3.s.cptr = params->ctx_buf.dma_addr +
+ offsetof(struct cpt_ctx, zs_ctx);
+
+ /* 16 byte aligned cpt res address */
+ req->completion_addr = (uint64_t *)((uint8_t *)c_vaddr);
+ *req->completion_addr = COMPLETION_CODE_INIT;
+ req->comp_baddr = c_dma;
+
+ /* Fill microcode part of instruction */
+ req->ist.ei0 = vq_cmd_w0.u64;
+ req->ist.ei3 = vq_cmd_w3.u64;
+
+ req->op = op;
+
+ *prep_req = req;
+ return;
+}
+
+static __rte_always_inline void
+cpt_zuc_snow3g_dec_prep(uint32_t req_flags,
+ uint64_t d_offs,
+ uint64_t d_lens,
+ fc_params_t *params,
+ void *op,
+ void **prep_req)
+{
+ uint32_t size;
+ int32_t inputlen = 0, outputlen;
+ struct cpt_ctx *cpt_ctx;
+ uint8_t snow3g, iv_len = 16;
+ struct cpt_request_info *req;
+ buf_ptr_t *buf_p;
+ uint32_t encr_offset;
+ uint32_t encr_data_len;
+ int flags;
+ void *m_vaddr, *c_vaddr;
+ uint64_t m_dma, c_dma;
+ uint64_t *offset_vaddr, offset_dma;
+ uint32_t *iv_s, iv[4], j;
+ vq_cmd_word0_t vq_cmd_w0;
+ vq_cmd_word3_t vq_cmd_w3;
+ opcode_info_t opcode;
+
+ buf_p = ¶ms->meta_buf;
+ m_vaddr = buf_p->vaddr;
+ m_dma = buf_p->dma_addr;
+
+ /*
+ * Microcode expects offsets in bytes
+ * TODO: Rounding off
+ */
+ encr_offset = ENCR_OFFSET(d_offs) / 8;
+ encr_data_len = ENCR_DLEN(d_lens);
+
+ cpt_ctx = params->ctx_buf.vaddr;
+ flags = cpt_ctx->zsk_flags;
+ snow3g = cpt_ctx->snow3g;
+ /*
+ * Save initial space that followed app data for completion code &
+ * alternate completion code to fall in same cache line as app data
+ */
+ m_vaddr = (uint8_t *)m_vaddr + COMPLETION_CODE_SIZE;
+ m_dma += COMPLETION_CODE_SIZE;
+ size = (uint8_t *)RTE_PTR_ALIGN((uint8_t *)m_vaddr, 16) -
+ (uint8_t *)m_vaddr;
+
+ c_vaddr = (uint8_t *)m_vaddr + size;
+ c_dma = m_dma + size;
+ size += sizeof(cpt_res_s_t);
+
+ m_vaddr = (uint8_t *)m_vaddr + size;
+ m_dma += size;
+
+ /* Reserve memory for cpt request info */
+ req = m_vaddr;
+
+ size = sizeof(struct cpt_request_info);
+ m_vaddr = (uint8_t *)m_vaddr + size;
+ m_dma += size;
+
+ opcode.s.major = CPT_MAJOR_OP_ZUC_SNOW3G;
+
+ /* indicates CPTR ctx, operation type, KEY & IV mode from DPTR */
+
+ opcode.s.minor = ((1 << 7) | (snow3g << 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 (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.
+ */
+ vq_cmd_w0.u64 = 0;
+ vq_cmd_w0.s.param1 = encr_data_len;
+
+ /*
+ * In 83XX 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 & SINGLE_BUF_INPLACE) &&
+ (req_flags & SINGLE_BUF_HEADTAILROOM))) {
+ void *dm_vaddr = params->bufs[0].vaddr;
+ uint64_t dm_dma_addr = params->bufs[0].dma_addr;
+ /*
+ * This flag indicates that there is 24 bytes head room and
+ * 8 bytes tail room available, so that we get to do
+ * DIRECT MODE with limitation
+ */
+
+ offset_vaddr = (uint64_t *)((uint8_t *)dm_vaddr -
+ OFF_CTRL_LEN - iv_len);
+ offset_dma = dm_dma_addr - OFF_CTRL_LEN - iv_len;
+
+ /* DPTR */
+ req->ist.ei1 = offset_dma;
+ /* RPTR should just exclude offset control word */
+ req->ist.ei2 = dm_dma_addr - iv_len;
+ req->alternate_caddr = (uint64_t *)((uint8_t *)dm_vaddr
+ + outputlen - iv_len);
+
+ vq_cmd_w0.s.dlen = inputlen + OFF_CTRL_LEN;
+
+ vq_cmd_w0.s.opcode = opcode.flags;
+
+ if (likely(iv_len)) {
+ uint32_t *iv_d = (uint32_t *)((uint8_t *)offset_vaddr
+ + 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 {
+ uint32_t i, g_size_bytes, s_size_bytes;
+ uint64_t dptr_dma, rptr_dma;
+ sg_comp_t *gather_comp;
+ sg_comp_t *scatter_comp;
+ uint8_t *in_buffer;
+ uint32_t *iv_d;
+
+ /* save space for offset and iv... */
+ offset_vaddr = m_vaddr;
+ offset_dma = m_dma;
+
+ m_vaddr = (uint8_t *)m_vaddr + OFF_CTRL_LEN + iv_len;
+ m_dma += OFF_CTRL_LEN + iv_len;
+
+ opcode.s.major |= CPT_DMA_MODE;
+
+ vq_cmd_w0.s.opcode = opcode.flags;
+
+ /* DPTR has SG list */
+ in_buffer = m_vaddr;
+ dptr_dma = m_dma;
+
+ ((uint16_t *)in_buffer)[0] = 0;
+ ((uint16_t *)in_buffer)[1] = 0;
+
+ /* TODO Add error check if space will be sufficient */
+ gather_comp = (sg_comp_t *)((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, offset_dma,
+ OFF_CTRL_LEN + iv_len);
+
+ iv_d = (uint32_t *)((uint8_t *)offset_vaddr + 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)) {
+ CPT_LOG_DP_ERR("Insufficient buffer space,"
+ " size %d needed", size);
+ return;
+ }
+ }
+ ((uint16_t *)in_buffer)[2] = rte_cpu_to_be_16(i);
+ g_size_bytes = ((i + 3) / 4) * sizeof(sg_comp_t);
+
+ /*
+ * Output Scatter List
+ */
+
+ i = 0;
+ scatter_comp =
+ (sg_comp_t *)((uint8_t *)gather_comp + g_size_bytes);
+
+ /* IV */
+ i = fill_sg_comp(scatter_comp, i,
+ offset_dma + 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)) {
+ CPT_LOG_DP_ERR("Insufficient buffer space,"
+ " size %d needed", size);
+ return;
+ }
+ }
+ ((uint16_t *)in_buffer)[3] = rte_cpu_to_be_16(i);
+ s_size_bytes = ((i + 3) / 4) * sizeof(sg_comp_t);
+
+ size = g_size_bytes + s_size_bytes + SG_LIST_HDR_SIZE;
+
+ /* This is DPTR len incase of SG mode */
+ vq_cmd_w0.s.dlen = size;
+
+ m_vaddr = (uint8_t *)m_vaddr + size;
+ m_dma += size;
+
+ /* cpt alternate completion address saved earlier */
+ req->alternate_caddr = (uint64_t *)((uint8_t *)c_vaddr - 8);
+ *req->alternate_caddr = ~((uint64_t)COMPLETION_CODE_INIT);
+ rptr_dma = c_dma - 8;
+
+ req->ist.ei1 = dptr_dma;
+ req->ist.ei2 = rptr_dma;
+ }
+
+ /* vq command w3 */
+ vq_cmd_w3.u64 = 0;
+ vq_cmd_w3.s.grp = 0;
+ vq_cmd_w3.s.cptr = params->ctx_buf.dma_addr +
+ offsetof(struct cpt_ctx, zs_ctx);
+
+ /* 16 byte aligned cpt res address */
+ req->completion_addr = (uint64_t *)((uint8_t *)c_vaddr);
+ *req->completion_addr = COMPLETION_CODE_INIT;
+ req->comp_baddr = c_dma;
+
+ /* Fill microcode part of instruction */
+ req->ist.ei0 = vq_cmd_w0.u64;
+ req->ist.ei3 = vq_cmd_w3.u64;
+
+ req->op = op;
+
+ *prep_req = req;
+ return;
+}
+
+static __rte_always_inline void
+cpt_kasumi_enc_prep(uint32_t req_flags,
+ uint64_t d_offs,
+ uint64_t d_lens,
+ fc_params_t *params,
+ void *op,
+ void **prep_req)
+{
+ uint32_t size;
+ int32_t inputlen = 0, outputlen = 0;
+ struct cpt_ctx *cpt_ctx;
+ uint32_t mac_len = 0;
+ uint8_t i = 0;
+ struct cpt_request_info *req;
+ buf_ptr_t *buf_p;
+ 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;
+ void *m_vaddr, *c_vaddr;
+ uint64_t m_dma, c_dma;
+ uint64_t *offset_vaddr, offset_dma;
+ vq_cmd_word0_t vq_cmd_w0;
+ vq_cmd_word3_t vq_cmd_w3;
+ opcode_info_t opcode;
+ uint8_t *in_buffer;
+ uint32_t g_size_bytes, s_size_bytes;
+ uint64_t dptr_dma, rptr_dma;
+ sg_comp_t *gather_comp;
+ sg_comp_t *scatter_comp;
+
+ buf_p = ¶ms->meta_buf;
+ m_vaddr = buf_p->vaddr;
+ m_dma = buf_p->dma_addr;
+
+ encr_offset = ENCR_OFFSET(d_offs) / 8;
+ auth_offset = AUTH_OFFSET(d_offs) / 8;
+ encr_data_len = ENCR_DLEN(d_lens);
+ auth_data_len = AUTH_DLEN(d_lens);
+
+ cpt_ctx = params->ctx_buf.vaddr;
+ flags = cpt_ctx->zsk_flags;
+ mac_len = cpt_ctx->mac_len;
+
+ if (flags == 0x0)
+ iv_s = params->iv_buf;
+ else
+ iv_s = params->auth_iv_buf;
+
+ dir = iv_s[8] & 0x1;
+
+ /*
+ * Save initial space that followed app data for completion code &
+ * alternate completion code to fall in same cache line as app data
+ */
+ m_vaddr = (uint8_t *)m_vaddr + COMPLETION_CODE_SIZE;
+ m_dma += COMPLETION_CODE_SIZE;
+ size = (uint8_t *)RTE_PTR_ALIGN((uint8_t *)m_vaddr, 16) -
+ (uint8_t *)m_vaddr;
+
+ c_vaddr = (uint8_t *)m_vaddr + size;
+ c_dma = m_dma + size;
+ size += sizeof(cpt_res_s_t);
+
+ m_vaddr = (uint8_t *)m_vaddr + size;
+ m_dma += size;
+
+ /* Reserve memory for cpt request info */
+ req = m_vaddr;
+
+ size = sizeof(struct cpt_request_info);
+ m_vaddr = (uint8_t *)m_vaddr + size;
+ m_dma += size;
+
+ opcode.s.major = CPT_MAJOR_OP_KASUMI | CPT_DMA_MODE;
+
+ /* indicates ECB/CBC, direction, ctx from cptr, iv from dptr */
+ opcode.s.minor = ((1 << 6) | (cpt_ctx->k_ecb << 5) |
+ (dir << 4) | (0 << 3) | (flags & 0x7));
+
+ /*
+ * GP op header, lengths are expected in bits.
+ */
+ vq_cmd_w0.u64 = 0;
+ vq_cmd_w0.s.param1 = encr_data_len;
+ vq_cmd_w0.s.param2 = auth_data_len;
+ vq_cmd_w0.s.opcode = opcode.flags;
+
+ /* 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;
+ offset_dma = m_dma;
+
+ m_vaddr = (uint8_t *)m_vaddr + OFF_CTRL_LEN + iv_len;
+ m_dma += OFF_CTRL_LEN + iv_len;
+
+ /* DPTR has SG list */
+ in_buffer = m_vaddr;
+ dptr_dma = m_dma;
+
+ ((uint16_t *)in_buffer)[0] = 0;
+ ((uint16_t *)in_buffer)[1] = 0;
+
+ /* TODO Add error check if space will be sufficient */
+ gather_comp = (sg_comp_t *)((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);
+ } 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);
+ }
+
+ i = fill_sg_comp(gather_comp, i, offset_dma, OFF_CTRL_LEN + iv_len);
+
+ /* IV */
+ iv_d = (uint8_t *)offset_vaddr + 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)) {
+ CPT_LOG_DP_ERR("Insufficient buffer space,"
+ " size %d needed", size);
+ return;
+ }
+ }
+ ((uint16_t *)in_buffer)[2] = rte_cpu_to_be_16(i);
+ g_size_bytes = ((i + 3) / 4) * sizeof(sg_comp_t);
+
+ /*
+ * Output Scatter List
+ */
+
+ i = 0;
+ scatter_comp = (sg_comp_t *)((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,
+ offset_dma + OFF_CTRL_LEN,
+ iv_len);
+ }
+
+ /* Add output data */
+ if (req_flags & 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)) {
+ CPT_LOG_DP_ERR("Insufficient buffer space,"
+ " size %d needed", size);
+ return;
+ }
+ }
+
+ /* 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)) {
+ CPT_LOG_DP_ERR("Insufficient buffer space,"
+ " size %d needed", size);
+ return;
+ }
+ }
+ }
+ ((uint16_t *)in_buffer)[3] = rte_cpu_to_be_16(i);
+ s_size_bytes = ((i + 3) / 4) * sizeof(sg_comp_t);
+
+ size = g_size_bytes + s_size_bytes + SG_LIST_HDR_SIZE;
+
+ /* This is DPTR len incase of SG mode */
+ vq_cmd_w0.s.dlen = size;
+
+ m_vaddr = (uint8_t *)m_vaddr + size;
+ m_dma += size;
+
+ /* cpt alternate completion address saved earlier */
+ req->alternate_caddr = (uint64_t *)((uint8_t *)c_vaddr - 8);
+ *req->alternate_caddr = ~((uint64_t)COMPLETION_CODE_INIT);
+ rptr_dma = c_dma - 8;
+
+ req->ist.ei1 = dptr_dma;
+ req->ist.ei2 = rptr_dma;
+
+ /* vq command w3 */
+ vq_cmd_w3.u64 = 0;
+ vq_cmd_w3.s.grp = 0;
+ vq_cmd_w3.s.cptr = params->ctx_buf.dma_addr +
+ offsetof(struct cpt_ctx, k_ctx);
+
+ /* 16 byte aligned cpt res address */
+ req->completion_addr = (uint64_t *)((uint8_t *)c_vaddr);
+ *req->completion_addr = COMPLETION_CODE_INIT;
+ req->comp_baddr = c_dma;
+
+ /* Fill microcode part of instruction */
+ req->ist.ei0 = vq_cmd_w0.u64;
+ req->ist.ei3 = vq_cmd_w3.u64;
+
+ req->op = op;
+
+ *prep_req = req;
+ return;
+}
+
+static __rte_always_inline void
+cpt_kasumi_dec_prep(uint64_t d_offs,
+ uint64_t d_lens,
+ fc_params_t *params,
+ void *op,
+ void **prep_req)
+{
+ uint32_t size;
+ int32_t inputlen = 0, outputlen;
+ struct cpt_ctx *cpt_ctx;
+ uint8_t i = 0, iv_len = 8;
+ struct cpt_request_info *req;
+ buf_ptr_t *buf_p;
+ uint32_t encr_offset;
+ uint32_t encr_data_len;
+ int flags;
+ uint8_t dir = 0;
+ void *m_vaddr, *c_vaddr;
+ uint64_t m_dma, c_dma;
+ uint64_t *offset_vaddr, offset_dma;
+ vq_cmd_word0_t vq_cmd_w0;
+ vq_cmd_word3_t vq_cmd_w3;
+ opcode_info_t opcode;
+ uint8_t *in_buffer;
+ uint32_t g_size_bytes, s_size_bytes;
+ uint64_t dptr_dma, rptr_dma;
+ sg_comp_t *gather_comp;
+ sg_comp_t *scatter_comp;
+
+ buf_p = ¶ms->meta_buf;
+ m_vaddr = buf_p->vaddr;
+ m_dma = buf_p->dma_addr;
+
+ encr_offset = ENCR_OFFSET(d_offs) / 8;
+ encr_data_len = ENCR_DLEN(d_lens);
+
+ cpt_ctx = params->ctx_buf.vaddr;
+ flags = cpt_ctx->zsk_flags;
+ /*
+ * Save initial space that followed app data for completion code &
+ * alternate completion code to fall in same cache line as app data
+ */
+ m_vaddr = (uint8_t *)m_vaddr + COMPLETION_CODE_SIZE;
+ m_dma += COMPLETION_CODE_SIZE;
+ size = (uint8_t *)RTE_PTR_ALIGN((uint8_t *)m_vaddr, 16) -
+ (uint8_t *)m_vaddr;
+
+ c_vaddr = (uint8_t *)m_vaddr + size;
+ c_dma = m_dma + size;
+ size += sizeof(cpt_res_s_t);
+
+ m_vaddr = (uint8_t *)m_vaddr + size;
+ m_dma += size;
+
+ /* Reserve memory for cpt request info */
+ req = m_vaddr;
+
+ size = sizeof(struct cpt_request_info);
+ m_vaddr = (uint8_t *)m_vaddr + size;
+ m_dma += size;
+
+ opcode.s.major = CPT_MAJOR_OP_KASUMI | CPT_DMA_MODE;
+
+ /* indicates ECB/CBC, direction, ctx from cptr, iv from dptr */
+ opcode.s.minor = ((1 << 6) | (cpt_ctx->k_ecb << 5) |
+ (dir << 4) | (0 << 3) | (flags & 0x7));
+
+ /*
+ * GP op header, lengths are expected in bits.
+ */
+ vq_cmd_w0.u64 = 0;
+ vq_cmd_w0.s.param1 = encr_data_len;
+ vq_cmd_w0.s.opcode = opcode.flags;
+
+ /* 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;
+ offset_dma = m_dma;
+
+ m_vaddr = (uint8_t *)m_vaddr + OFF_CTRL_LEN + iv_len;
+ m_dma += OFF_CTRL_LEN + iv_len;
+
+ /* DPTR has SG list */
+ in_buffer = m_vaddr;
+ dptr_dma = m_dma;
+
+ ((uint16_t *)in_buffer)[0] = 0;
+ ((uint16_t *)in_buffer)[1] = 0;
+
+ /* TODO Add error check if space will be sufficient */
+ gather_comp = (sg_comp_t *)((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);
+
+ i = fill_sg_comp(gather_comp, i, offset_dma, OFF_CTRL_LEN + iv_len);
+
+ /* IV */
+ memcpy((uint8_t *)offset_vaddr + 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)) {
+ CPT_LOG_DP_ERR("Insufficient buffer space,"
+ " size %d needed", size);
+ return;
+ }
+ }
+ ((uint16_t *)in_buffer)[2] = rte_cpu_to_be_16(i);
+ g_size_bytes = ((i + 3) / 4) * sizeof(sg_comp_t);
- /* Copy key2 for XTS into ipad */
- memset(fctx->hmac.ipad, 0, sizeof(fctx->hmac.ipad));
- memcpy(fctx->hmac.ipad, &key[key_len], key_len);
- break;
- case SNOW3G_UEA2:
- cpt_fc_ciph_set_key_snow3g_uea2(cpt_ctx, key, key_len);
- goto success;
- case ZUC_EEA3:
- cpt_fc_ciph_set_key_zuc_eea3(cpt_ctx, key, key_len);
- goto success;
- case KASUMI_F8_ECB:
- cpt_fc_ciph_set_key_kasumi_f8_ecb(cpt_ctx, key, key_len);
- goto success;
- case KASUMI_F8_CBC:
- cpt_fc_ciph_set_key_kasumi_f8_cbc(cpt_ctx, key, key_len);
- goto success;
- default:
- break;
+ /*
+ * Output Scatter List
+ */
+
+ i = 0;
+ scatter_comp = (sg_comp_t *)((uint8_t *)gather_comp + g_size_bytes);
+
+ /* IV */
+ i = fill_sg_comp(scatter_comp, i,
+ offset_dma + 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)) {
+ CPT_LOG_DP_ERR("Insufficient buffer space,"
+ " size %d needed", size);
+ return;
+ }
}
+ ((uint16_t *)in_buffer)[3] = rte_cpu_to_be_16(i);
+ s_size_bytes = ((i + 3) / 4) * sizeof(sg_comp_t);
- /* Only for FC_GEN case */
+ size = g_size_bytes + s_size_bytes + SG_LIST_HDR_SIZE;
- /* For GMAC auth, cipher must be NULL */
- if (cpt_ctx->hash_type != GMAC_TYPE)
- CPT_P_ENC_CTRL(fctx).enc_cipher = type;
+ /* This is DPTR len incase of SG mode */
+ vq_cmd_w0.s.dlen = size;
- memcpy(fctx->enc.encr_key, key, key_len);
+ m_vaddr = (uint8_t *)m_vaddr + size;
+ m_dma += size;
-fc_success:
- *ctrl_flags = rte_cpu_to_be_64(*ctrl_flags);
+ /* cpt alternate completion address saved earlier */
+ req->alternate_caddr = (uint64_t *)((uint8_t *)c_vaddr - 8);
+ *req->alternate_caddr = ~((uint64_t)COMPLETION_CODE_INIT);
+ rptr_dma = c_dma - 8;
-success:
- cpt_ctx->enc_cipher = type;
+ req->ist.ei1 = dptr_dma;
+ req->ist.ei2 = rptr_dma;
- return 0;
+ /* vq command w3 */
+ vq_cmd_w3.u64 = 0;
+ vq_cmd_w3.s.grp = 0;
+ vq_cmd_w3.s.cptr = params->ctx_buf.dma_addr +
+ offsetof(struct cpt_ctx, k_ctx);
+
+ /* 16 byte aligned cpt res address */
+ req->completion_addr = (uint64_t *)((uint8_t *)c_vaddr);
+ *req->completion_addr = COMPLETION_CODE_INIT;
+ req->comp_baddr = c_dma;
+
+ /* Fill microcode part of instruction */
+ req->ist.ei0 = vq_cmd_w0.u64;
+ req->ist.ei3 = vq_cmd_w3.u64;
+
+ req->op = op;
+
+ *prep_req = req;
+ return;
+}
+
+static __rte_always_inline void *
+cpt_fc_dec_hmac_prep(uint32_t flags,
+ uint64_t d_offs,
+ uint64_t d_lens,
+ fc_params_t *fc_params,
+ void *op)
+{
+ struct cpt_ctx *ctx = fc_params->ctx_buf.vaddr;
+ uint8_t fc_type;
+ void *prep_req = NULL;
+
+ fc_type = ctx->fc_type;
+
+ if (likely(fc_type == FC_GEN)) {
+ cpt_dec_hmac_prep(flags, d_offs, d_lens, fc_params, op,
+ &prep_req);
+ } else if (fc_type == ZUC_SNOW3G) {
+ cpt_zuc_snow3g_dec_prep(flags, d_offs, d_lens, fc_params, op,
+ &prep_req);
+ } else if (fc_type == KASUMI) {
+ cpt_kasumi_dec_prep(d_offs, d_lens, fc_params, op, &prep_req);
+ }
+
+ /*
+ * For AUTH_ONLY case,
+ * MC only supports digest generation and verification
+ * should be done in software by memcmp()
+ */
+
+ return prep_req;
+}
+
+static __rte_always_inline void *__hot
+cpt_fc_enc_hmac_prep(uint32_t flags, uint64_t d_offs, uint64_t d_lens,
+ fc_params_t *fc_params, void *op)
+{
+ struct cpt_ctx *ctx = fc_params->ctx_buf.vaddr;
+ uint8_t fc_type;
+ void *prep_req = NULL;
+
+ fc_type = ctx->fc_type;
+
+ /* Common api for rest of the ops */
+ if (likely(fc_type == FC_GEN)) {
+ cpt_enc_hmac_prep(flags, d_offs, d_lens, fc_params, op,
+ &prep_req);
+ } else if (fc_type == ZUC_SNOW3G) {
+ cpt_zuc_snow3g_enc_prep(flags, d_offs, d_lens, fc_params, op,
+ &prep_req);
+ } else if (fc_type == KASUMI) {
+ cpt_kasumi_enc_prep(flags, d_offs, d_lens, fc_params, op,
+ &prep_req);
+ } else if (fc_type == HASH_HMAC) {
+ cpt_digest_gen_prep(flags, d_lens, fc_params, op, &prep_req);
+ }
+
+ return prep_req;
}
static __rte_always_inline int
-cpt_fc_auth_set_key(void *ctx, auth_type_t type, uint8_t *key,
+cpt_fc_auth_set_key(void *ctx, auth_type_t type, const uint8_t *key,
uint16_t key_len, uint16_t mac_len)
{
struct cpt_ctx *cpt_ctx = ctx;
cipher_type_t enc_type = 0; /* NULL Cipher type */
auth_type_t auth_type = 0; /* NULL Auth type */
uint32_t cipher_key_len = 0;
- uint8_t zsk_flag = 0, aes_gcm = 0;
+ uint8_t aes_gcm = 0;
aead_form = &xform->aead;
- void *ctx;
+ void *ctx = SESS_PRIV(sess);
if (aead_form->op == RTE_CRYPTO_AEAD_OP_ENCRYPT &&
aead_form->algo == RTE_CRYPTO_AEAD_AES_GCM) {
(unsigned int long)aead_form->key.length);
return -1;
}
- sess->zsk_flag = zsk_flag;
+ 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;
- ctx = (void *)((uint8_t *)sess + sizeof(struct cpt_sess_misc)),
cpt_fc_ciph_set_key(ctx, enc_type, aead_form->key.data,
aead_form->key.length, NULL);
struct rte_crypto_cipher_xform *c_form;
cipher_type_t enc_type = 0; /* NULL Cipher type */
uint32_t cipher_key_len = 0;
- uint8_t zsk_flag = 0, aes_gcm = 0, aes_ctr = 0, is_null = 0;
-
- if (xform->type != RTE_CRYPTO_SYM_XFORM_CIPHER)
- return -1;
+ uint8_t zsk_flag = 0, aes_ctr = 0, is_null = 0;
c_form = &xform->cipher;
}
sess->zsk_flag = zsk_flag;
- sess->aes_gcm = aes_gcm;
+ sess->aes_gcm = 0;
sess->aes_ctr = aes_ctr;
sess->iv_offset = c_form->iv.offset;
sess->iv_length = c_form->iv.length;
auth_type_t auth_type = 0; /* NULL Auth type */
uint8_t zsk_flag = 0, aes_gcm = 0, is_null = 0;
- if (xform->type != RTE_CRYPTO_SYM_XFORM_AUTH)
- goto error_out;
-
a_form = &xform->auth;
if (a_form->op == RTE_CRYPTO_AUTH_OP_VERIFY)
case RTE_CRYPTO_AUTH_AES_CBC_MAC:
CPT_LOG_DP_ERR("Crypto: Unsupported hash algo %u",
a_form->algo);
- goto error_out;
+ return -1;
default:
CPT_LOG_DP_ERR("Crypto: Undefined Hash algo %u specified",
a_form->algo);
- goto error_out;
+ return -1;
}
sess->zsk_flag = zsk_flag;
a_form->key.length, a_form->digest_length);
return 0;
-
-error_out:
- return -1;
}
static __rte_always_inline int
struct rte_crypto_auth_xform *a_form;
cipher_type_t enc_type = 0; /* NULL Cipher type */
auth_type_t auth_type = 0; /* NULL Auth type */
- uint8_t zsk_flag = 0, aes_gcm = 0;
- void *ctx;
-
- if (xform->type != RTE_CRYPTO_SYM_XFORM_AUTH)
- return -1;
+ void *ctx = SESS_PRIV(sess);
a_form = &xform->auth;
return -1;
}
- sess->zsk_flag = zsk_flag;
- sess->aes_gcm = aes_gcm;
+ 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;
- ctx = (void *)((uint8_t *)sess + sizeof(struct cpt_sess_misc)),
cpt_fc_ciph_set_key(ctx, enc_type, a_form->key.data,
a_form->key.length, NULL);
return 0;
}
+static __rte_always_inline void *
+alloc_op_meta(struct rte_mbuf *m_src,
+ buf_ptr_t *buf,
+ int32_t len,
+ struct rte_mempool *cpt_meta_pool)
+{
+ uint8_t *mdata;
+
+#ifndef CPT_ALWAYS_USE_SEPARATE_BUF
+ if (likely(m_src && (m_src->nb_segs == 1))) {
+ int32_t tailroom;
+ phys_addr_t mphys;
+
+ /* Check if tailroom is sufficient to hold meta data */
+ tailroom = rte_pktmbuf_tailroom(m_src);
+ if (likely(tailroom > len + 8)) {
+ mdata = (uint8_t *)m_src->buf_addr + m_src->buf_len;
+ mphys = m_src->buf_physaddr + m_src->buf_len;
+ mdata -= len;
+ mphys -= len;
+ buf->vaddr = mdata;
+ buf->dma_addr = mphys;
+ buf->size = len;
+ /* Indicate that this is a mbuf allocated mdata */
+ mdata = (uint8_t *)((uint64_t)mdata | 1ull);
+ return mdata;
+ }
+ }
+#else
+ RTE_SET_USED(m_src);
+#endif
+
+ if (unlikely(rte_mempool_get(cpt_meta_pool, (void **)&mdata) < 0))
+ return NULL;
+
+ buf->vaddr = mdata;
+ buf->dma_addr = rte_mempool_virt2iova(mdata);
+ buf->size = len;
+
+ return mdata;
+}
+
+/**
+ * cpt_free_metabuf - free metabuf to mempool.
+ * @param instance: pointer to instance.
+ * @param objp: pointer to the metabuf.
+ */
+static __rte_always_inline void
+free_op_meta(void *mdata, struct rte_mempool *cpt_meta_pool)
+{
+ bool nofree = ((uintptr_t)mdata & 1ull);
+
+ if (likely(nofree))
+ return;
+ rte_mempool_put(cpt_meta_pool, mdata);
+}
+
+static __rte_always_inline uint32_t
+prepare_iov_from_pkt(struct rte_mbuf *pkt,
+ iov_ptr_t *iovec, uint32_t start_offset)
+{
+ uint16_t index = 0;
+ void *seg_data = NULL;
+ phys_addr_t seg_phys;
+ int32_t seg_size = 0;
+
+ if (!pkt) {
+ iovec->buf_cnt = 0;
+ return 0;
+ }
+
+ if (!start_offset) {
+ seg_data = rte_pktmbuf_mtod(pkt, void *);
+ seg_phys = rte_pktmbuf_mtophys(pkt);
+ 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_phys = rte_pktmbuf_mtophys_offset(pkt, 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].dma_addr = seg_phys;
+ iovec->bufs[index].size = seg_size;
+ index++;
+ pkt = pkt->next;
+
+ while (unlikely(pkt != NULL)) {
+ seg_data = rte_pktmbuf_mtod(pkt, void *);
+ seg_phys = rte_pktmbuf_mtophys(pkt);
+ seg_size = pkt->data_len;
+ if (!seg_size)
+ break;
+
+ iovec->bufs[index].vaddr = seg_data;
+ iovec->bufs[index].dma_addr = seg_phys;
+ 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,
+ fc_params_t *param,
+ uint32_t *flags)
+{
+ uint16_t index = 0;
+ void *seg_data = NULL;
+ phys_addr_t seg_phys;
+ uint32_t seg_size = 0;
+ iov_ptr_t *iovec;
+
+ seg_data = rte_pktmbuf_mtod(pkt, void *);
+ seg_phys = rte_pktmbuf_mtophys(pkt);
+ seg_size = pkt->data_len;
+
+ /* first seg */
+ if (likely(!pkt->next)) {
+ uint32_t headroom, tailroom;
+
+ *flags |= SINGLE_BUF_INPLACE;
+ headroom = rte_pktmbuf_headroom(pkt);
+ tailroom = rte_pktmbuf_tailroom(pkt);
+ if (likely((headroom >= 24) &&
+ (tailroom >= 8))) {
+ /* In 83XX this is prerequivisit for Direct mode */
+ *flags |= SINGLE_BUF_HEADTAILROOM;
+ }
+ param->bufs[0].vaddr = seg_data;
+ param->bufs[0].dma_addr = seg_phys;
+ param->bufs[0].size = seg_size;
+ return 0;
+ }
+ iovec = param->src_iov;
+ iovec->bufs[index].vaddr = seg_data;
+ iovec->bufs[index].dma_addr = seg_phys;
+ iovec->bufs[index].size = seg_size;
+ index++;
+ pkt = pkt->next;
+
+ while (unlikely(pkt != NULL)) {
+ seg_data = rte_pktmbuf_mtod(pkt, void *);
+ seg_phys = rte_pktmbuf_mtophys(pkt);
+ seg_size = pkt->data_len;
+
+ if (!seg_size)
+ break;
+
+ iovec->bufs[index].vaddr = seg_data;
+ iovec->bufs[index].dma_addr = seg_phys;
+ 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 cpt_sess_misc *sess_misc,
+ struct cpt_qp_meta_info *m_info,
+ void **mdata_ptr,
+ void **prep_req)
+{
+ uint32_t space = 0;
+ struct rte_crypto_sym_op *sym_op = cop->sym;
+ void *mdata = NULL;
+ uintptr_t *op;
+ 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_misc->cpt_op;
+#ifdef CPT_ALWAYS_USE_SG_MODE
+ uint8_t inplace = 0;
+#else
+ uint8_t inplace = 1;
+#endif
+ fc_params_t fc_params;
+ char src[SRC_IOV_SIZE];
+ char dst[SRC_IOV_SIZE];
+ uint32_t iv_buf[4];
+ int ret;
+
+ if (likely(sess_misc->iv_length)) {
+ flags |= VALID_IV_BUF;
+ fc_params.iv_buf = rte_crypto_op_ctod_offset(cop,
+ uint8_t *, sess_misc->iv_offset);
+ if (sess_misc->aes_ctr &&
+ unlikely(sess_misc->iv_length != 16)) {
+ memcpy((uint8_t *)iv_buf,
+ rte_crypto_op_ctod_offset(cop,
+ uint8_t *, sess_misc->iv_offset), 12);
+ iv_buf[3] = rte_cpu_to_be_32(0x1);
+ fc_params.iv_buf = iv_buf;
+ }
+ }
+
+ if (sess_misc->zsk_flag) {
+ fc_params.auth_iv_buf = rte_crypto_op_ctod_offset(cop,
+ uint8_t *,
+ sess_misc->auth_iv_offset);
+ if (sess_misc->zsk_flag != ZS_EA)
+ inplace = 0;
+ }
+ m_src = sym_op->m_src;
+ m_dst = sym_op->m_dst;
+
+ if (sess_misc->aes_gcm) {
+ 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_misc->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.dma_addr = sym_op->aead.aad.phys_addr;
+ fc_params.aad_buf.size = aad_len;
+ flags |= 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_misc->salt)) {
+ cpt_fc_salt_update(SESS_PRIV(sess_misc), salt);
+ sess_misc->salt = *(uint32_t *)salt;
+ }
+ fc_params.iv_buf = salt + 4;
+ if (likely(sess_misc->mac_len)) {
+ struct rte_mbuf *m = (cpt_op & CPT_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 |= VALID_MAC_BUF;
+ fc_params.mac_buf.size = sess_misc->mac_len;
+ fc_params.mac_buf.vaddr =
+ sym_op->aead.digest.data;
+ fc_params.mac_buf.dma_addr =
+ sym_op->aead.digest.phys_addr;
+ 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_misc->is_gmac)) {
+ uint8_t *salt;
+ salt = fc_params.iv_buf;
+ if (unlikely(*(uint32_t *)salt != sess_misc->salt)) {
+ cpt_fc_salt_update(SESS_PRIV(sess_misc), salt);
+ sess_misc->salt = *(uint32_t *)salt;
+ }
+ fc_params.iv_buf = salt + 4;
+ }
+ if (likely(sess_misc->mac_len)) {
+ struct rte_mbuf *m;
+
+ m = (cpt_op & CPT_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->auth.digest.data)) {
+ flags |= VALID_MAC_BUF;
+ fc_params.mac_buf.size =
+ sess_misc->mac_len;
+ fc_params.mac_buf.vaddr =
+ sym_op->auth.digest.data;
+ fc_params.mac_buf.dma_addr =
+ sym_op->auth.digest.phys_addr;
+ inplace = 0;
+ }
+ }
+ }
+ fc_params.ctx_buf.vaddr = SESS_PRIV(sess_misc);
+ fc_params.ctx_buf.dma_addr = sess_misc->ctx_dma_addr;
+
+ if (unlikely(sess_misc->is_null || sess_misc->cpt_op == CPT_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))) {
+ CPT_LOG_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)) {
+ CPT_LOG_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)) {
+ CPT_LOG_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)) {
+ CPT_LOG_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 (likely(flags & SINGLE_BUF_HEADTAILROOM))
+ mdata = alloc_op_meta(m_src, &fc_params.meta_buf,
+ m_info->lb_mlen, m_info->pool);
+ else
+ mdata = alloc_op_meta(NULL, &fc_params.meta_buf,
+ m_info->sg_mlen, m_info->pool);
+
+ if (unlikely(mdata == NULL)) {
+ CPT_LOG_DP_ERR("Error allocating meta buffer for request");
+ ret = -ENOMEM;
+ goto err_exit;
+ }
+
+ op = (uintptr_t *)((uintptr_t)mdata & (uintptr_t)~1ull);
+ op[0] = (uintptr_t)mdata;
+ op[1] = (uintptr_t)cop;
+ op[2] = op[3] = 0; /* Used to indicate auth verify */
+ space += 4 * sizeof(uint64_t);
+
+ fc_params.meta_buf.vaddr = (uint8_t *)op + space;
+ fc_params.meta_buf.dma_addr += space;
+ fc_params.meta_buf.size -= space;
+
+ /* Finally prepare the instruction */
+ if (cpt_op & CPT_OP_ENCODE)
+ *prep_req = cpt_fc_enc_hmac_prep(flags, d_offs, d_lens,
+ &fc_params, op);
+ else
+ *prep_req = cpt_fc_dec_hmac_prep(flags, d_offs, d_lens,
+ &fc_params, op);
+
+ if (unlikely(*prep_req == NULL)) {
+ CPT_LOG_DP_ERR("Preparing request failed due to bad input arg");
+ ret = -EINVAL;
+ goto free_mdata_and_exit;
+ }
+
+ *mdata_ptr = mdata;
+
+ return 0;
+
+free_mdata_and_exit:
+ free_op_meta(mdata, m_info->pool);
+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 int
+instance_session_cfg(struct rte_crypto_sym_xform *xform, void *sess)
+{
+ struct rte_crypto_sym_xform *chain;
+
+ CPT_PMD_INIT_FUNC_TRACE();
+
+ if (cpt_is_algo_supported(xform))
+ goto err;
+
+ chain = xform;
+ while (chain) {
+ switch (chain->type) {
+ case RTE_CRYPTO_SYM_XFORM_AEAD:
+ if (fill_sess_aead(chain, sess))
+ goto err;
+ break;
+ case RTE_CRYPTO_SYM_XFORM_CIPHER:
+ if (fill_sess_cipher(chain, sess))
+ goto err;
+ break;
+ case RTE_CRYPTO_SYM_XFORM_AUTH:
+ if (chain->auth.algo == RTE_CRYPTO_AUTH_AES_GMAC) {
+ if (fill_sess_gmac(chain, sess))
+ goto err;
+ } else {
+ if (fill_sess_auth(chain, sess))
+ goto err;
+ }
+ break;
+ default:
+ CPT_LOG_DP_ERR("Invalid crypto xform type");
+ break;
+ }
+ chain = chain->next;
+ }
+
+ return 0;
+
+err:
+ return -1;
+}
+
+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 cpt_sess_misc *sess,
+ struct cpt_qp_meta_info *m_info,
+ void **mdata_ptr,
+ void **prep_req)
+{
+ uint32_t space = 0;
+ struct rte_crypto_sym_op *sym_op = cop->sym;
+ void *mdata;
+ phys_addr_t mphys;
+ uint64_t *op;
+ 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 & CPT_OP_AUTH_MASK;
+ uint16_t mac_len = sess->mac_len;
+ fc_params_t params;
+ char src[SRC_IOV_SIZE];
+ uint8_t iv_buf[16];
+ int ret;
+
+ memset(¶ms, 0, sizeof(fc_params_t));
+
+ m_src = sym_op->m_src;
+
+ /* For just digest lets force mempool alloc */
+ mdata = alloc_op_meta(NULL, ¶ms.meta_buf, m_info->sg_mlen,
+ m_info->pool);
+ if (mdata == NULL) {
+ ret = -ENOMEM;
+ goto err_exit;
+ }
+
+ mphys = params.meta_buf.dma_addr;
+
+ op = mdata;
+ op[0] = (uintptr_t)mdata;
+ op[1] = (uintptr_t)cop;
+ op[2] = op[3] = 0; /* Used to indicate auth verify */
+ space += 4 * sizeof(uint64_t);
+
+ auth_range_off = sym_op->auth.data.offset;
+
+ flags = 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_buf = rte_crypto_op_ctod_offset(cop,
+ uint8_t *, sess->auth_iv_offset);
+ if (sess->zsk_flag == 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_PRIV(sess);
+ params.ctx_buf.dma_addr = sess->ctx_dma_addr;
+
+ if (auth_op == CPT_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;
+ params.mac_buf.dma_addr =
+ sym_op->auth.digest.phys_addr;
+ } 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)) {
+ CPT_LOG_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.dma_addr =
+ rte_pktmbuf_mtophys_offset(m_dst, off);
+ params.mac_buf.size = mac_len;
+ }
+ } else {
+ /* Need space for storing generated mac */
+ params.mac_buf.vaddr = (uint8_t *)mdata + space;
+ params.mac_buf.dma_addr = mphys + space;
+ params.mac_buf.size = mac_len;
+ space += RTE_ALIGN_CEIL(mac_len, 8);
+ op[2] = (uintptr_t)params.mac_buf.vaddr;
+ op[3] = mac_len;
+ }
+
+ params.meta_buf.vaddr = (uint8_t *)mdata + space;
+ params.meta_buf.dma_addr = mphys + 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)) {
+ CPT_LOG_DP_ERR("Prepare src iov failed");
+ ret = -EINVAL;
+ goto free_mdata_and_exit;
+ }
+
+ *prep_req = cpt_fc_enc_hmac_prep(flags, d_offs, d_lens, ¶ms, op);
+ if (unlikely(*prep_req == NULL)) {
+ ret = -EINVAL;
+ goto free_mdata_and_exit;
+ }
+
+ *mdata_ptr = mdata;
+
+ return 0;
+
+free_mdata_and_exit:
+ free_op_meta(mdata, m_info->pool);
+err_exit:
+ return ret;
+}
+
#endif /*_CPT_UCODE_H_ */
git.droids-corp.org / dpdk.git / blobdiff