net/cnxk: support parsing custom SA action
[dpdk.git] / drivers / net / cnxk / cn10k_ethdev_sec.c
index 12cec0a..87bb691 100644 (file)
@@ -9,6 +9,7 @@
 
 #include <cn10k_ethdev.h>
 #include <cnxk_security.h>
+#include <roc_priv.h>
 
 static struct rte_cryptodev_capabilities cn10k_eth_sec_crypto_caps[] = {
        {       /* AES GCM */
@@ -138,8 +139,22 @@ static const struct rte_security_capability cn10k_eth_sec_capabilities[] = {
        }
 };
 
-static void
-cn10k_eth_sec_sso_work_cb(uint64_t *gw, void *args)
+static inline void
+cnxk_pktmbuf_free_no_cache(struct rte_mbuf *mbuf)
+{
+       struct rte_mbuf *next;
+
+       if (!mbuf)
+               return;
+       do {
+               next = mbuf->next;
+               roc_npa_aura_op_free(mbuf->pool->pool_id, 1, (rte_iova_t)mbuf);
+               mbuf = next;
+       } while (mbuf != NULL);
+}
+
+void
+cn10k_eth_sec_sso_work_cb(uint64_t *gw, void *args, uint32_t soft_exp_event)
 {
        struct rte_eth_event_ipsec_desc desc;
        struct cn10k_sec_sess_priv sess_priv;
@@ -148,6 +163,7 @@ cn10k_eth_sec_sso_work_cb(uint64_t *gw, void *args)
        struct cpt_cn10k_res_s *res;
        struct rte_eth_dev *eth_dev;
        struct cnxk_eth_dev *dev;
+       static uint64_t warn_cnt;
        uint16_t dlen_adj, rlen;
        struct rte_mbuf *mbuf;
        uintptr_t sa_base;
@@ -161,7 +177,7 @@ cn10k_eth_sec_sso_work_cb(uint64_t *gw, void *args)
                /* Event from inbound inline dev due to IPSEC packet bad L4 */
                mbuf = (struct rte_mbuf *)(gw[1] - sizeof(struct rte_mbuf));
                plt_nix_dbg("Received mbuf %p from inline dev inbound", mbuf);
-               rte_pktmbuf_free(mbuf);
+               cnxk_pktmbuf_free_no_cache(mbuf);
                return;
        case RTE_EVENT_TYPE_CPU:
                /* Check for subtype */
@@ -172,8 +188,18 @@ cn10k_eth_sec_sso_work_cb(uint64_t *gw, void *args)
                }
                /* Fall through */
        default:
-               plt_err("Unknown event gw[0] = 0x%016lx, gw[1] = 0x%016lx",
-                       gw[0], gw[1]);
+               if (soft_exp_event & 0x1) {
+                       sa = (struct roc_ot_ipsec_outb_sa *)args;
+                       priv = roc_nix_inl_ot_ipsec_outb_sa_sw_rsvd(sa);
+                       desc.metadata = (uint64_t)priv->userdata;
+                       desc.subtype = RTE_ETH_EVENT_IPSEC_SA_TIME_EXPIRY;
+                       eth_dev = &rte_eth_devices[soft_exp_event >> 8];
+                       rte_eth_dev_callback_process(eth_dev,
+                               RTE_ETH_EVENT_IPSEC, &desc);
+               } else {
+                       plt_err("Unknown event gw[0] = 0x%016lx, gw[1] = 0x%016lx",
+                               gw[0], gw[1]);
+               }
                return;
        }
 
@@ -212,17 +238,110 @@ cn10k_eth_sec_sso_work_cb(uint64_t *gw, void *args)
        case ROC_IE_OT_UCC_ERR_SA_OVERFLOW:
                desc.subtype = RTE_ETH_EVENT_IPSEC_ESN_OVERFLOW;
                break;
+       case ROC_IE_OT_UCC_ERR_PKT_IP:
+               warn_cnt++;
+               if (warn_cnt % 10000 == 0)
+                       plt_warn("Outbound error, bad ip pkt, mbuf %p,"
+                                " sa_index %u (total warnings %" PRIu64 ")",
+                                mbuf, sess_priv.sa_idx, warn_cnt);
+               desc.subtype = RTE_ETH_EVENT_IPSEC_UNKNOWN;
+               break;
        default:
-               plt_warn("Outbound error, mbuf %p, sa_index %u, "
-                        "compcode %x uc %x", mbuf, sess_priv.sa_idx,
-                        res->compcode, res->uc_compcode);
+               warn_cnt++;
+               if (warn_cnt % 10000 == 0)
+                       plt_warn("Outbound error, mbuf %p, sa_index %u,"
+                                " compcode %x uc %x,"
+                                " (total warnings %" PRIu64 ")",
+                                mbuf, sess_priv.sa_idx, res->compcode,
+                                res->uc_compcode, warn_cnt);
                desc.subtype = RTE_ETH_EVENT_IPSEC_UNKNOWN;
                break;
        }
 
        desc.metadata = (uint64_t)priv->userdata;
        rte_eth_dev_callback_process(eth_dev, RTE_ETH_EVENT_IPSEC, &desc);
-       rte_pktmbuf_free(mbuf);
+       cnxk_pktmbuf_free_no_cache(mbuf);
+}
+
+static void
+outb_dbg_iv_update(struct roc_ot_ipsec_outb_sa *outb_sa, const char *__iv_str)
+{
+       uint8_t *iv_dbg = outb_sa->iv.iv_dbg;
+       char *iv_str = strdup(__iv_str);
+       char *iv_b = NULL, len = 16;
+       char *save;
+       int i;
+
+       if (!iv_str)
+               return;
+
+       if (outb_sa->w2.s.enc_type == ROC_IE_OT_SA_ENC_AES_GCM ||
+           outb_sa->w2.s.enc_type == ROC_IE_OT_SA_ENC_AES_CTR ||
+           outb_sa->w2.s.enc_type == ROC_IE_OT_SA_ENC_AES_CCM ||
+           outb_sa->w2.s.auth_type == ROC_IE_OT_SA_AUTH_AES_GMAC) {
+               memset(outb_sa->iv.s.iv_dbg1, 0, sizeof(outb_sa->iv.s.iv_dbg1));
+               memset(outb_sa->iv.s.iv_dbg2, 0, sizeof(outb_sa->iv.s.iv_dbg2));
+
+               iv_dbg = outb_sa->iv.s.iv_dbg1;
+               for (i = 0; i < 4; i++) {
+                       iv_b = strtok_r(i ? NULL : iv_str, ",", &save);
+                       if (!iv_b)
+                               break;
+                       iv_dbg[i] = strtoul(iv_b, NULL, 0);
+               }
+               *(uint32_t *)iv_dbg = rte_be_to_cpu_32(*(uint32_t *)iv_dbg);
+
+               iv_dbg = outb_sa->iv.s.iv_dbg2;
+               for (i = 0; i < 4; i++) {
+                       iv_b = strtok_r(NULL, ",", &save);
+                       if (!iv_b)
+                               break;
+                       iv_dbg[i] = strtoul(iv_b, NULL, 0);
+               }
+               *(uint32_t *)iv_dbg = rte_be_to_cpu_32(*(uint32_t *)iv_dbg);
+
+       } else {
+               iv_dbg = outb_sa->iv.iv_dbg;
+               memset(iv_dbg, 0, sizeof(outb_sa->iv.iv_dbg));
+
+               for (i = 0; i < len; i++) {
+                       iv_b = strtok_r(i ? NULL : iv_str, ",", &save);
+                       if (!iv_b)
+                               break;
+                       iv_dbg[i] = strtoul(iv_b, NULL, 0);
+               }
+               *(uint64_t *)iv_dbg = rte_be_to_cpu_64(*(uint64_t *)iv_dbg);
+               *(uint64_t *)&iv_dbg[8] =
+                       rte_be_to_cpu_64(*(uint64_t *)&iv_dbg[8]);
+       }
+
+       /* Update source of IV */
+       outb_sa->w2.s.iv_src = ROC_IE_OT_SA_IV_SRC_FROM_SA;
+       free(iv_str);
+}
+
+static int
+cn10k_eth_sec_outb_sa_misc_fill(struct roc_nix *roc_nix,
+                               struct roc_ot_ipsec_outb_sa *sa, void *sa_cptr,
+                               struct rte_security_ipsec_xform *ipsec_xfrm,
+                               uint32_t sa_idx)
+{
+       uint64_t *ring_base, ring_addr;
+
+       if (ipsec_xfrm->life.bytes_soft_limit |
+           ipsec_xfrm->life.packets_soft_limit) {
+               ring_base = roc_nix_inl_outb_ring_base_get(roc_nix);
+               if (ring_base == NULL)
+                       return -ENOTSUP;
+
+               ring_addr = ring_base[sa_idx >>
+                                     ROC_NIX_SOFT_EXP_ERR_RING_MAX_ENTRY_LOG2];
+               sa->ctx.err_ctl.s.mode = ROC_IE_OT_ERR_CTL_MODE_RING;
+               sa->ctx.err_ctl.s.address = ring_addr >> 3;
+               sa->w0.s.ctx_id = ((uintptr_t)sa_cptr >> 51) & 0x1ff;
+       }
+
+       return 0;
 }
 
 static int
@@ -237,6 +356,7 @@ cn10k_eth_sec_session_create(void *device,
        struct cn10k_sec_sess_priv sess_priv;
        struct rte_crypto_sym_xform *crypto;
        struct cnxk_eth_sec_sess *eth_sec;
+       struct roc_nix *nix = &dev->nix;
        bool inbound, inl_dev;
        rte_spinlock_t *lock;
        char tbuf[128] = {0};
@@ -251,8 +371,12 @@ cn10k_eth_sec_session_create(void *device,
        if (rte_security_dynfield_register() < 0)
                return -ENOTSUP;
 
-       if (rte_eal_process_type() == RTE_PROC_PRIMARY)
-               roc_nix_inl_cb_register(cn10k_eth_sec_sso_work_cb, NULL);
+       if (conf->ipsec.options.ip_reassembly_en &&
+                       dev->reass_dynfield_off < 0) {
+               if (rte_eth_ip_reassembly_dynfield_register(&dev->reass_dynfield_off,
+                                       &dev->reass_dynflag_bit) < 0)
+                       return -rte_errno;
+       }
 
        ipsec = &conf->ipsec;
        crypto = conf->crypto_xform;
@@ -284,13 +408,16 @@ cn10k_eth_sec_session_create(void *device,
        if (inbound) {
                struct roc_ot_ipsec_inb_sa *inb_sa, *inb_sa_dptr;
                struct cn10k_inb_priv_data *inb_priv;
+               uint32_t spi_mask;
                uintptr_t sa;
 
                PLT_STATIC_ASSERT(sizeof(struct cn10k_inb_priv_data) <
                                  ROC_NIX_INL_OT_IPSEC_INB_SW_RSVD);
 
+               spi_mask = roc_nix_inl_inb_spi_range(nix, inl_dev, NULL, NULL);
+
                /* Get Inbound SA from NIX_RX_IPSEC_SA_BASE */
-               sa = roc_nix_inl_inb_sa_get(&dev->nix, inl_dev, ipsec->spi);
+               sa = roc_nix_inl_inb_sa_get(nix, inl_dev, ipsec->spi);
                if (!sa && dev->inb.inl_dev) {
                        snprintf(tbuf, sizeof(tbuf),
                                 "Failed to create ingress sa, inline dev "
@@ -319,7 +446,8 @@ cn10k_eth_sec_session_create(void *device,
                memset(inb_sa_dptr, 0, sizeof(struct roc_ot_ipsec_inb_sa));
 
                /* Fill inbound sa params */
-               rc = cnxk_ot_ipsec_inb_sa_fill(inb_sa_dptr, ipsec, crypto);
+               rc = cnxk_ot_ipsec_inb_sa_fill(inb_sa_dptr, ipsec, crypto,
+                                              true);
                if (rc) {
                        snprintf(tbuf, sizeof(tbuf),
                                 "Failed to init inbound sa, rc=%d", rc);
@@ -333,16 +461,17 @@ cn10k_eth_sec_session_create(void *device,
                inb_priv->userdata = conf->userdata;
 
                /* Save SA index/SPI in cookie for now */
-               inb_sa_dptr->w1.s.cookie = rte_cpu_to_be_32(ipsec->spi);
+               inb_sa_dptr->w1.s.cookie =
+                       rte_cpu_to_be_32(ipsec->spi & spi_mask);
 
                /* Prepare session priv */
                sess_priv.inb_sa = 1;
-               sess_priv.sa_idx = ipsec->spi;
+               sess_priv.sa_idx = ipsec->spi & spi_mask;
 
                /* Pointer from eth_sec -> inb_sa */
                eth_sec->sa = inb_sa;
                eth_sec->sess = sess;
-               eth_sec->sa_idx = ipsec->spi;
+               eth_sec->sa_idx = ipsec->spi & spi_mask;
                eth_sec->spi = ipsec->spi;
                eth_sec->inl_dev = !!dev->inb.inl_dev;
                eth_sec->inb = true;
@@ -355,11 +484,18 @@ cn10k_eth_sec_session_create(void *device,
                                           sizeof(struct roc_ot_ipsec_inb_sa));
                if (rc)
                        goto mempool_put;
+
+               if (conf->ipsec.options.ip_reassembly_en) {
+                       inb_priv->reass_dynfield_off = dev->reass_dynfield_off;
+                       inb_priv->reass_dynflag_bit = dev->reass_dynflag_bit;
+               }
+
        } else {
                struct roc_ot_ipsec_outb_sa *outb_sa, *outb_sa_dptr;
                struct cn10k_outb_priv_data *outb_priv;
                struct cnxk_ipsec_outb_rlens *rlens;
                uint64_t sa_base = dev->outb.sa_base;
+               const char *iv_str;
                uint32_t sa_idx;
 
                PLT_STATIC_ASSERT(sizeof(struct cn10k_outb_priv_data) <
@@ -386,6 +522,21 @@ cn10k_eth_sec_session_create(void *device,
                        goto mempool_put;
                }
 
+               iv_str = getenv("CN10K_ETH_SEC_IV_OVR");
+               if (iv_str)
+                       outb_dbg_iv_update(outb_sa_dptr, iv_str);
+
+               /* Fill outbound sa misc params */
+               rc = cn10k_eth_sec_outb_sa_misc_fill(&dev->nix, outb_sa_dptr,
+                                                    outb_sa, ipsec, sa_idx);
+               if (rc) {
+                       snprintf(tbuf, sizeof(tbuf),
+                                "Failed to init outb sa misc params, rc=%d",
+                                rc);
+                       rc |= cnxk_eth_outb_sa_idx_put(dev, sa_idx);
+                       goto mempool_put;
+               }
+
                /* Save userdata */
                outb_priv->userdata = conf->userdata;
                outb_priv->sa_idx = sa_idx;
@@ -464,7 +615,7 @@ cn10k_eth_sec_session_destroy(void *device, struct rte_security_session *sess)
        if (eth_sec->inb) {
                /* Disable SA */
                sa_dptr = dev->inb.sa_dptr;
-               roc_nix_inl_inb_sa_init(sa_dptr);
+               roc_ot_ipsec_inb_sa_init(sa_dptr, true);
 
                roc_nix_inl_ctx_write(&dev->nix, sa_dptr, eth_sec->sa,
                                      eth_sec->inb,
@@ -474,7 +625,7 @@ cn10k_eth_sec_session_destroy(void *device, struct rte_security_session *sess)
        } else {
                /* Disable SA */
                sa_dptr = dev->outb.sa_dptr;
-               roc_nix_inl_outb_sa_init(sa_dptr);
+               roc_ot_ipsec_outb_sa_init(sa_dptr);
 
                roc_nix_inl_ctx_write(&dev->nix, sa_dptr, eth_sec->sa,
                                      eth_sec->inb,