mempool: add namespace to internal helpers
[dpdk.git] / drivers / net / octeontx2 / otx2_ethdev_sec.c
index 9ea0dc4..c2a3688 100644 (file)
 #include "otx2_ethdev_sec.h"
 #include "otx2_ipsec_fp.h"
 #include "otx2_sec_idev.h"
+#include "otx2_security.h"
 
-#define ETH_SEC_MAX_PKT_LEN    1450
-
-#define AH_HDR_LEN     12
-#define AES_GCM_IV_LEN 8
-#define AES_GCM_MAC_LEN        16
-#define AES_CBC_IV_LEN 16
-#define SHA1_HMAC_LEN  12
-
-#define AES_GCM_ROUNDUP_BYTE_LEN       4
-#define AES_CBC_ROUNDUP_BYTE_LEN       16
+#define ERR_STR_SZ 256
 
 struct eth_sec_tag_const {
        RTE_STD_C11
@@ -172,7 +164,8 @@ lookup_mem_sa_tbl_clear(struct rte_eth_dev *eth_dev)
 }
 
 static int
-lookup_mem_sa_index_update(struct rte_eth_dev *eth_dev, int spi, void *sa)
+lookup_mem_sa_index_update(struct rte_eth_dev *eth_dev, int spi, void *sa,
+                          char *err_str)
 {
        static const char name[] = OTX2_NIX_FASTPATH_LOOKUP_MEM;
        struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
@@ -183,7 +176,8 @@ lookup_mem_sa_index_update(struct rte_eth_dev *eth_dev, int spi, void *sa)
 
        mz = rte_memzone_lookup(name);
        if (mz == NULL) {
-               otx2_err("Could not find fastpath lookup table");
+               snprintf(err_str, ERR_STR_SZ,
+                        "Could not find fastpath lookup table");
                return -EINVAL;
        }
 
@@ -239,7 +233,7 @@ ipsec_sa_const_set(struct rte_security_ipsec_xform *ipsec,
                sess->partial_len += sizeof(struct rte_esp_hdr);
                sess->roundup_len = sizeof(struct rte_esp_tail);
        } else if (ipsec->proto == RTE_SECURITY_IPSEC_SA_PROTO_AH) {
-               sess->partial_len += AH_HDR_LEN;
+               sess->partial_len += OTX2_SEC_AH_HDR_LEN;
        } else {
                return -EINVAL;
        }
@@ -249,9 +243,9 @@ ipsec_sa_const_set(struct rte_security_ipsec_xform *ipsec,
 
        if (xform->type == RTE_CRYPTO_SYM_XFORM_AEAD) {
                if (xform->aead.algo == RTE_CRYPTO_AEAD_AES_GCM) {
-                       sess->partial_len += AES_GCM_IV_LEN;
-                       sess->partial_len += AES_GCM_MAC_LEN;
-                       sess->roundup_byte = AES_GCM_ROUNDUP_BYTE_LEN;
+                       sess->partial_len += OTX2_SEC_AES_GCM_IV_LEN;
+                       sess->partial_len += OTX2_SEC_AES_GCM_MAC_LEN;
+                       sess->roundup_byte = OTX2_SEC_AES_GCM_ROUNDUP_BYTE_LEN;
                }
                return 0;
        }
@@ -266,14 +260,14 @@ ipsec_sa_const_set(struct rte_security_ipsec_xform *ipsec,
                return -EINVAL;
        }
        if (cipher_xform->cipher.algo == RTE_CRYPTO_CIPHER_AES_CBC) {
-               sess->partial_len += AES_CBC_IV_LEN;
-               sess->roundup_byte = AES_CBC_ROUNDUP_BYTE_LEN;
+               sess->partial_len += OTX2_SEC_AES_CBC_IV_LEN;
+               sess->roundup_byte = OTX2_SEC_AES_CBC_ROUNDUP_BYTE_LEN;
        } else {
                return -EINVAL;
        }
 
        if (auth_xform->auth.algo == RTE_CRYPTO_AUTH_SHA1_HMAC)
-               sess->partial_len += SHA1_HMAC_LEN;
+               sess->partial_len += OTX2_SEC_SHA1_HMAC_LEN;
        else
                return -EINVAL;
 
@@ -322,7 +316,7 @@ hmac_init(struct otx2_ipsec_fp_sa_ctl *ctl, struct otx2_cpt_qp *qp,
 
        timeout = rte_get_timer_cycles() + 5 * rte_get_timer_hz();
 
-       rte_cio_wmb();
+       rte_io_wmb();
 
        do {
                otx2_lmt_mov(qp->lmtline, &inst, 2);
@@ -370,6 +364,7 @@ eth_sec_ipsec_out_sess_create(struct rte_eth_dev *eth_dev,
        struct otx2_cpt_qp *qp;
 
        priv = get_sec_session_private_data(sec_sess);
+       priv->ipsec.dir = RTE_SECURITY_IPSEC_SA_DIR_EGRESS;
        sess = &priv->ipsec.ip;
 
        sa = &sess->out_sa;
@@ -460,6 +455,9 @@ eth_sec_ipsec_out_sess_create(struct rte_eth_dev *eth_dev,
                        goto cpt_put;
        }
 
+       rte_io_wmb();
+       ctl->valid = 1;
+
        return 0;
 cpt_put:
        otx2_sec_idev_tx_cpt_qp_put(sess->qp);
@@ -481,22 +479,32 @@ eth_sec_ipsec_in_sess_create(struct rte_eth_dev *eth_dev,
        struct otx2_ipsec_fp_sa_ctl *ctl;
        struct otx2_ipsec_fp_in_sa *sa;
        struct otx2_sec_session *priv;
+       char err_str[ERR_STR_SZ];
        struct otx2_cpt_qp *qp;
 
+       memset(err_str, 0, ERR_STR_SZ);
+
        if (ipsec->spi >= dev->ipsec_in_max_spi) {
                otx2_err("SPI exceeds max supported");
                return -EINVAL;
        }
 
        sa = in_sa_get(port, ipsec->spi);
+       if (sa == NULL)
+               return -ENOMEM;
+
        ctl = &sa->ctl;
 
        priv = get_sec_session_private_data(sec_sess);
+       priv->ipsec.dir = RTE_SECURITY_IPSEC_SA_DIR_INGRESS;
        sess = &priv->ipsec.ip;
 
+       rte_spinlock_lock(&dev->ipsec_tbl_lock);
+
        if (ctl->valid) {
-               otx2_err("SA already registered");
-               return -EINVAL;
+               snprintf(err_str, ERR_STR_SZ, "SA already registered");
+               ret = -EEXIST;
+               goto tbl_unlock;
        }
 
        memset(sa, 0, sizeof(struct otx2_ipsec_fp_in_sa));
@@ -520,30 +528,90 @@ eth_sec_ipsec_in_sess_create(struct rte_eth_dev *eth_dev,
                auth_key_len = auth_xform->auth.key.length;
        }
 
-       if (cipher_key_len != 0)
+       if (cipher_key_len != 0) {
                memcpy(sa->cipher_key, cipher_key, cipher_key_len);
-       else
-               return -EINVAL;
+       } else {
+               snprintf(err_str, ERR_STR_SZ, "Invalid cipher key len");
+               ret = -EINVAL;
+               goto sa_clear;
+       }
 
        sess->in_sa = sa;
 
        sa->userdata = priv->userdata;
 
-       if (lookup_mem_sa_index_update(eth_dev, ipsec->spi, sa))
-               return -EINVAL;
+       sa->replay_win_sz = ipsec->replay_win_sz;
+
+       if (lookup_mem_sa_index_update(eth_dev, ipsec->spi, sa, err_str)) {
+               ret = -EINVAL;
+               goto sa_clear;
+       }
 
        ret = ipsec_fp_sa_ctl_set(ipsec, crypto_xform, ctl);
-       if (ret)
-               return ret;
+       if (ret) {
+               snprintf(err_str, ERR_STR_SZ,
+                       "Could not set SA CTL word (err: %d)", ret);
+               goto sa_clear;
+       }
 
        if (auth_key_len && auth_key) {
                /* Get a queue pair for HMAC init */
                ret = otx2_sec_idev_tx_cpt_qp_get(port, &qp);
-               if (ret)
-                       return ret;
+               if (ret) {
+                       snprintf(err_str, ERR_STR_SZ, "Could not get CPT QP");
+                       goto sa_clear;
+               }
+
                ret = hmac_init(ctl, qp, auth_key, auth_key_len, sa->hmac_key);
                otx2_sec_idev_tx_cpt_qp_put(qp);
+               if (ret) {
+                       snprintf(err_str, ERR_STR_SZ, "Could not put CPT QP");
+                       goto sa_clear;
+               }
        }
+
+       if (sa->replay_win_sz) {
+               if (sa->replay_win_sz > OTX2_IPSEC_MAX_REPLAY_WIN_SZ) {
+                       snprintf(err_str, ERR_STR_SZ,
+                                "Replay window size is not supported");
+                       ret = -ENOTSUP;
+                       goto sa_clear;
+               }
+               sa->replay = rte_zmalloc(NULL, sizeof(struct otx2_ipsec_replay),
+                               0);
+               if (sa->replay == NULL) {
+                       snprintf(err_str, ERR_STR_SZ,
+                               "Could not allocate memory");
+                       ret = -ENOMEM;
+                       goto sa_clear;
+               }
+
+               rte_spinlock_init(&sa->replay->lock);
+               /*
+                * Set window bottom to 1, base and top to size of
+                * window
+                */
+               sa->replay->winb = 1;
+               sa->replay->wint = sa->replay_win_sz;
+               sa->replay->base = sa->replay_win_sz;
+               sa->esn_low = 0;
+               sa->esn_hi = 0;
+       }
+
+       rte_io_wmb();
+       ctl->valid = 1;
+
+       rte_spinlock_unlock(&dev->ipsec_tbl_lock);
+       return 0;
+
+sa_clear:
+       memset(sa, 0, sizeof(struct otx2_ipsec_fp_in_sa));
+
+tbl_unlock:
+       rte_spinlock_unlock(&dev->ipsec_tbl_lock);
+
+       otx2_err("%s", err_str);
+
        return ret;
 }
 
@@ -610,11 +678,22 @@ mempool_put:
        return ret;
 }
 
+static void
+otx2_eth_sec_free_anti_replay(struct otx2_ipsec_fp_in_sa *sa)
+{
+       if (sa != NULL) {
+               if (sa->replay_win_sz && sa->replay)
+                       rte_free(sa->replay);
+       }
+}
+
 static int
-otx2_eth_sec_session_destroy(void *device __rte_unused,
+otx2_eth_sec_session_destroy(void *device,
                             struct rte_security_session *sess)
 {
+       struct otx2_eth_dev *dev = otx2_eth_pmd_priv(device);
        struct otx2_sec_session_ipsec_ip *sess_ip;
+       struct otx2_ipsec_fp_in_sa *sa;
        struct otx2_sec_session *priv;
        struct rte_mempool *sess_mp;
        int ret;
@@ -625,6 +704,22 @@ otx2_eth_sec_session_destroy(void *device __rte_unused,
 
        sess_ip = &priv->ipsec.ip;
 
+       if (priv->ipsec.dir == RTE_SECURITY_IPSEC_SA_DIR_INGRESS) {
+               rte_spinlock_lock(&dev->ipsec_tbl_lock);
+               sa = sess_ip->in_sa;
+
+               /* Release the anti replay window */
+               otx2_eth_sec_free_anti_replay(sa);
+
+               /* Clear SA table entry */
+               if (sa != NULL) {
+                       sa->ctl.valid = 0;
+                       rte_io_wmb();
+               }
+
+               rte_spinlock_unlock(&dev->ipsec_tbl_lock);
+       }
+
        /* Release CPT LF used for this session */
        if (sess_ip->qp != NULL) {
                ret = otx2_sec_idev_tx_cpt_qp_put(sess_ip->qp);
@@ -652,7 +747,7 @@ otx2_eth_sec_set_pkt_mdata(void *device __rte_unused,
                            struct rte_mbuf *m, void *params __rte_unused)
 {
        /* Set security session as the pkt metadata */
-       m->udata64 = (uint64_t)session;
+       *rte_security_dynfield(m) = (rte_security_dynfield_t)session;
 
        return 0;
 }
@@ -745,7 +840,7 @@ eth_sec_ipsec_cfg(struct rte_eth_dev *eth_dev, uint8_t tt)
 
        req->ipsec_cfg0.sa_pow2_size =
                        rte_log2_u32(sizeof(struct otx2_ipsec_fp_in_sa));
-       req->ipsec_cfg0.lenm1_max = ETH_SEC_MAX_PKT_LEN - 1;
+       req->ipsec_cfg0.lenm1_max = NIX_MAX_FRS - 1;
 
        req->ipsec_cfg1.sa_idx_w = rte_log2_u32(dev->ipsec_in_max_spi);
        req->ipsec_cfg1.sa_idx_max = dev->ipsec_in_max_spi - 1;
@@ -753,6 +848,34 @@ eth_sec_ipsec_cfg(struct rte_eth_dev *eth_dev, uint8_t tt)
        return otx2_mbox_process(mbox);
 }
 
+int
+otx2_eth_sec_update_tag_type(struct rte_eth_dev *eth_dev)
+{
+       struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
+       struct otx2_mbox *mbox = dev->mbox;
+       struct nix_aq_enq_rsp *rsp;
+       struct nix_aq_enq_req *aq;
+       int ret;
+
+       aq = otx2_mbox_alloc_msg_nix_aq_enq(mbox);
+       aq->qidx = 0; /* Read RQ:0 context */
+       aq->ctype = NIX_AQ_CTYPE_RQ;
+       aq->op = NIX_AQ_INSTOP_READ;
+
+       ret = otx2_mbox_process_msg(mbox, (void *)&rsp);
+       if (ret < 0) {
+               otx2_err("Could not read RQ context");
+               return ret;
+       }
+
+       /* Update tag type */
+       ret = eth_sec_ipsec_cfg(eth_dev, rsp->rq.sso_tt);
+       if (ret < 0)
+               otx2_err("Could not update sec eth tag type");
+
+       return ret;
+}
+
 int
 otx2_eth_sec_init(struct rte_eth_dev *eth_dev)
 {
@@ -771,6 +894,9 @@ otx2_eth_sec_init(struct rte_eth_dev *eth_dev)
            !(dev->rx_offloads & DEV_RX_OFFLOAD_SECURITY))
                return 0;
 
+       if (rte_security_dynfield_register() < 0)
+               return -rte_errno;
+
        nb_sa = dev->ipsec_in_max_spi;
        mz_sz = nb_sa * sa_width;
        in_sa_mz_name_get(name, RTE_MEMZONE_NAMESIZE, port);
@@ -790,6 +916,8 @@ otx2_eth_sec_init(struct rte_eth_dev *eth_dev)
                goto sec_fini;
        }
 
+       rte_spinlock_init(&dev->ipsec_tbl_lock);
+
        return 0;
 
 sec_fini: