Fetch engine caps and use it along with model check
to determine inline outbound instruction format
with NIX Tx offset or address.

Signed-off-by: Nithin Dabilpuram <ndabilpu...@marvell.com>
---
 drivers/common/cnxk/roc_cpt.h       |   3 +
 drivers/common/cnxk/roc_nix_inl.c   | 101 ++++++++++++++++++++++++++++
 drivers/common/cnxk/roc_nix_inl.h   |   1 +
 drivers/common/cnxk/roc_nix_priv.h  |   1 +
 drivers/common/cnxk/version.map     |   1 +
 drivers/net/cnxk/cn10k_ethdev_sec.c |   3 +-
 drivers/net/cnxk/cnxk_ethdev.c      |   2 +
 drivers/net/cnxk/cnxk_ethdev.h      |   3 +
 8 files changed, 114 insertions(+), 1 deletion(-)

diff --git a/drivers/common/cnxk/roc_cpt.h b/drivers/common/cnxk/roc_cpt.h
index 92a18711dc..910bd37a0c 100644
--- a/drivers/common/cnxk/roc_cpt.h
+++ b/drivers/common/cnxk/roc_cpt.h
@@ -12,6 +12,9 @@
 #define ROC_AE_CPT_BLOCK_TYPE1 0
 #define ROC_AE_CPT_BLOCK_TYPE2 1
 
+#define ROC_LOADFVC_MAJOR_OP 0x01UL
+#define ROC_LOADFVC_MINOR_OP 0x08UL
+
 /* Default engine groups */
 #define ROC_CPT_DFLT_ENG_GRP_SE           0UL
 #define ROC_CPT_DFLT_ENG_GRP_SE_IE 1UL
diff --git a/drivers/common/cnxk/roc_nix_inl.c 
b/drivers/common/cnxk/roc_nix_inl.c
index 8592e1cb0b..67f8ce9aa0 100644
--- a/drivers/common/cnxk/roc_nix_inl.c
+++ b/drivers/common/cnxk/roc_nix_inl.c
@@ -602,6 +602,96 @@ nix_inl_rq_mask_cfg(struct roc_nix *roc_nix, bool enable)
        return rc;
 }
 
+static void
+nix_inl_eng_caps_get(struct nix *nix)
+{
+       struct roc_cpt_lf *lf = nix->cpt_lf_base;
+       uintptr_t lmt_base = lf->lmt_base;
+       union cpt_res_s res, *hw_res;
+       struct cpt_inst_s inst;
+       uint64_t *rptr;
+
+       hw_res = plt_zmalloc(sizeof(*hw_res), ROC_CPT_RES_ALIGN);
+       if (hw_res == NULL) {
+               plt_err("Couldn't allocate memory for result address");
+               return;
+       }
+
+       rptr = plt_zmalloc(ROC_ALIGN, 0);
+       if (rptr == NULL) {
+               plt_err("Couldn't allocate memory for rptr");
+               plt_free(hw_res);
+               return;
+       }
+
+       /* Fill CPT_INST_S for LOAD_FVC/HW_CRYPTO_SUPPORT microcode op */
+       memset(&inst, 0, sizeof(struct cpt_inst_s));
+       inst.res_addr = (uint64_t)hw_res;
+       inst.rptr = (uint64_t)rptr;
+       inst.w4.s.opcode_major = ROC_LOADFVC_MAJOR_OP;
+       inst.w4.s.opcode_minor = ROC_LOADFVC_MINOR_OP;
+       inst.w7.s.egrp = ROC_CPT_DFLT_ENG_GRP_SE;
+
+       /* Use 1 min timeout for the poll */
+       const uint64_t timeout = plt_tsc_cycles() + 60 * plt_tsc_hz();
+
+       if (roc_model_is_cn9k()) {
+               uint64_t lmt_status;
+
+               hw_res->cn9k.compcode = CPT_COMP_NOT_DONE;
+               plt_io_wmb();
+
+               do {
+                       roc_lmt_mov_seg((void *)lmt_base, &inst, 4);
+                       lmt_status = roc_lmt_submit_ldeor(lf->io_addr);
+               } while (lmt_status != 0);
+
+               /* Wait until CPT instruction completes */
+               do {
+                       res.u64[0] = __atomic_load_n(&hw_res->u64[0], 
__ATOMIC_RELAXED);
+                       if (unlikely(plt_tsc_cycles() > timeout))
+                               break;
+               } while (res.cn9k.compcode == CPT_COMP_NOT_DONE);
+
+               if (res.cn9k.compcode != CPT_COMP_GOOD) {
+                       plt_err("LOAD FVC operation timed out");
+                       return;
+               }
+       } else {
+               uint64_t lmt_arg, io_addr;
+               uint16_t lmt_id;
+
+               hw_res->cn10k.compcode = CPT_COMP_NOT_DONE;
+
+               /* Use this lcore's LMT line as no one else is using it */
+               ROC_LMT_BASE_ID_GET(lmt_base, lmt_id);
+               memcpy((void *)lmt_base, &inst, sizeof(inst));
+
+               lmt_arg = ROC_CN10K_CPT_LMT_ARG | (uint64_t)lmt_id;
+               io_addr = lf->io_addr | ROC_CN10K_CPT_INST_DW_M1 << 4;
+
+               roc_lmt_submit_steorl(lmt_arg, io_addr);
+               plt_io_wmb();
+
+               /* Wait until CPT instruction completes */
+               do {
+                       res.u64[0] = __atomic_load_n(&hw_res->u64[0], 
__ATOMIC_RELAXED);
+                       if (unlikely(plt_tsc_cycles() > timeout))
+                               break;
+               } while (res.cn10k.compcode == CPT_COMP_NOT_DONE);
+
+               if (res.cn10k.compcode != CPT_COMP_GOOD || 
res.cn10k.uc_compcode) {
+                       plt_err("LOAD FVC operation timed out");
+                       goto exit;
+               }
+       }
+
+       nix->cpt_eng_caps = plt_be_to_cpu_64(*rptr);
+exit:
+       plt_free(rptr);
+       plt_free(hw_res);
+}
+
 int
 roc_nix_inl_inb_init(struct roc_nix *roc_nix)
 {
@@ -652,6 +742,7 @@ roc_nix_inl_inb_init(struct roc_nix *roc_nix)
                plt_err("Failed to setup inbound lf, rc=%d", rc);
                return rc;
        }
+       nix->cpt_eng_caps = roc_cpt->hw_caps[CPT_ENG_TYPE_SE].u;
 
        /* Setup Inbound SA table */
        rc = nix_inl_inb_sa_tbl_setup(roc_nix);
@@ -871,6 +962,8 @@ roc_nix_inl_outb_init(struct roc_nix *roc_nix)
                }
        }
 
+       /* Fetch engine capabilities */
+       nix_inl_eng_caps_get(nix);
        return 0;
 
 lf_fini:
@@ -1571,3 +1664,11 @@ 
roc_nix_inl_meta_pool_cb_register(roc_nix_inl_meta_pool_cb_t cb)
 {
        meta_pool_cb = cb;
 }
+
+uint64_t
+roc_nix_inl_eng_caps_get(struct roc_nix *roc_nix)
+{
+       struct nix *nix = roc_nix_to_nix_priv(roc_nix);
+
+       return nix->cpt_eng_caps;
+}
diff --git a/drivers/common/cnxk/roc_nix_inl.h 
b/drivers/common/cnxk/roc_nix_inl.h
index 6220ba6773..daa21a941a 100644
--- a/drivers/common/cnxk/roc_nix_inl.h
+++ b/drivers/common/cnxk/roc_nix_inl.h
@@ -212,5 +212,6 @@ int __roc_api roc_nix_inl_sa_sync(struct roc_nix *roc_nix, 
void *sa, bool inb,
 int __roc_api roc_nix_inl_ctx_write(struct roc_nix *roc_nix, void *sa_dptr,
                                    void *sa_cptr, bool inb, uint16_t sa_len);
 void __roc_api roc_nix_inl_outb_cpt_lfs_dump(struct roc_nix *roc_nix, FILE 
*file);
+uint64_t __roc_api roc_nix_inl_eng_caps_get(struct roc_nix *roc_nix);
 
 #endif /* _ROC_NIX_INL_H_ */
diff --git a/drivers/common/cnxk/roc_nix_priv.h 
b/drivers/common/cnxk/roc_nix_priv.h
index f900a81d8a..6872630dc8 100644
--- a/drivers/common/cnxk/roc_nix_priv.h
+++ b/drivers/common/cnxk/roc_nix_priv.h
@@ -209,6 +209,7 @@ struct nix {
        uint16_t outb_se_ring_base;
        uint16_t cpt_lbpid;
        uint16_t cpt_nixbpid;
+       uint64_t cpt_eng_caps;
        bool need_meta_aura;
        /* Mode provided by driver */
        bool inb_inl_dev;
diff --git a/drivers/common/cnxk/version.map b/drivers/common/cnxk/version.map
index d740d9df81..809fd81b20 100644
--- a/drivers/common/cnxk/version.map
+++ b/drivers/common/cnxk/version.map
@@ -186,6 +186,7 @@ INTERNAL {
        roc_nix_inl_dev_rq_put;
        roc_nix_inl_dev_unlock;
        roc_nix_inl_dev_xaq_realloc;
+       roc_nix_inl_eng_caps_get;
        roc_nix_inl_inb_is_enabled;
        roc_nix_inl_inb_init;
        roc_nix_inl_inb_sa_base_get;
diff --git a/drivers/net/cnxk/cn10k_ethdev_sec.c 
b/drivers/net/cnxk/cn10k_ethdev_sec.c
index 3c32de0f94..9625704ec1 100644
--- a/drivers/net/cnxk/cn10k_ethdev_sec.c
+++ b/drivers/net/cnxk/cn10k_ethdev_sec.c
@@ -809,7 +809,8 @@ cn10k_eth_sec_session_create(void *device,
                sess_priv.chksum = (!ipsec->options.ip_csum_enable << 1 |
                                    !ipsec->options.l4_csum_enable);
                sess_priv.dec_ttl = ipsec->options.dec_ttl;
-               if (roc_feature_nix_has_inl_ipsec_mseg())
+               if (roc_feature_nix_has_inl_ipsec_mseg() &&
+                   dev->outb.cpt_eng_caps & BIT_ULL(35))
                        sess_priv.nixtx_off = 1;
 
                /* Pointer from eth_sec -> outb_sa */
diff --git a/drivers/net/cnxk/cnxk_ethdev.c b/drivers/net/cnxk/cnxk_ethdev.c
index 3bccc34d79..ff0c3b8ed1 100644
--- a/drivers/net/cnxk/cnxk_ethdev.c
+++ b/drivers/net/cnxk/cnxk_ethdev.c
@@ -203,6 +203,8 @@ nix_security_setup(struct cnxk_eth_dev *dev)
                        plt_err("Outbound fc sw mem alloc failed");
                        goto sa_bmap_free;
                }
+
+               dev->outb.cpt_eng_caps = roc_nix_inl_eng_caps_get(nix);
        }
        return 0;
 
diff --git a/drivers/net/cnxk/cnxk_ethdev.h b/drivers/net/cnxk/cnxk_ethdev.h
index 62a06e5d03..d76f5486e6 100644
--- a/drivers/net/cnxk/cnxk_ethdev.h
+++ b/drivers/net/cnxk/cnxk_ethdev.h
@@ -285,6 +285,9 @@ struct cnxk_eth_dev_sec_outb {
 
        /* Lock to synchronize sa setup/release */
        rte_spinlock_t lock;
+
+       /* Engine caps */
+       uint64_t cpt_eng_caps;
 };
 
 struct cnxk_eth_dev {
-- 
2.25.1

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