Lines Matching refs:tx_sa
133 struct macsec_tx_sa *tx_sa; member
446 struct macsec_tx_sa *tx_sa) in __macsec_pn_wrapped() argument
449 tx_sa->active = false; in __macsec_pn_wrapped()
454 void macsec_pn_wrapped(struct macsec_secy *secy, struct macsec_tx_sa *tx_sa) in macsec_pn_wrapped() argument
456 spin_lock_bh(&tx_sa->lock); in macsec_pn_wrapped()
457 __macsec_pn_wrapped(secy, tx_sa); in macsec_pn_wrapped()
458 spin_unlock_bh(&tx_sa->lock); in macsec_pn_wrapped()
462 static pn_t tx_sa_update_pn(struct macsec_tx_sa *tx_sa, in tx_sa_update_pn() argument
467 spin_lock_bh(&tx_sa->lock); in tx_sa_update_pn()
469 pn = tx_sa->next_pn_halves; in tx_sa_update_pn()
471 tx_sa->next_pn++; in tx_sa_update_pn()
473 tx_sa->next_pn_halves.lower++; in tx_sa_update_pn()
475 if (tx_sa->next_pn == 0) in tx_sa_update_pn()
476 __macsec_pn_wrapped(secy, tx_sa); in tx_sa_update_pn()
477 spin_unlock_bh(&tx_sa->lock); in tx_sa_update_pn()
501 struct macsec_tx_sa *tx_sa) in macsec_count_tx() argument
510 this_cpu_inc(tx_sa->stats->OutPktsEncrypted); in macsec_count_tx()
514 this_cpu_inc(tx_sa->stats->OutPktsProtected); in macsec_count_tx()
536 struct macsec_tx_sa *sa = macsec_skb_cb(skb)->tx_sa; in macsec_encrypt_done()
542 macsec_count_tx(skb, &macsec->secy.tx_sc, macsec_skb_cb(skb)->tx_sa); in macsec_encrypt_done()
597 struct macsec_tx_sa *tx_sa; in macsec_encrypt() local
606 tx_sa = macsec_txsa_get(tx_sc->sa[tx_sc->encoding_sa]); in macsec_encrypt()
607 if (!tx_sa) { in macsec_encrypt()
623 macsec_txsa_put(tx_sa); in macsec_encrypt()
630 macsec_txsa_put(tx_sa); in macsec_encrypt()
641 pn = tx_sa_update_pn(tx_sa, secy); in macsec_encrypt()
643 macsec_txsa_put(tx_sa); in macsec_encrypt()
659 macsec_txsa_put(tx_sa); in macsec_encrypt()
666 macsec_txsa_put(tx_sa); in macsec_encrypt()
671 req = macsec_alloc_req(tx_sa->key.tfm, &iv, &sg, ret); in macsec_encrypt()
673 macsec_txsa_put(tx_sa); in macsec_encrypt()
679 macsec_fill_iv_xpn(iv, tx_sa->ssci, pn.full64, tx_sa->key.salt); in macsec_encrypt()
687 macsec_txsa_put(tx_sa); in macsec_encrypt()
703 macsec_skb_cb(skb)->tx_sa = tx_sa; in macsec_encrypt()
715 macsec_txsa_put(tx_sa); in macsec_encrypt()
721 macsec_txsa_put(tx_sa); in macsec_encrypt()
1454 static int init_tx_sa(struct macsec_tx_sa *tx_sa, char *sak, int key_len, in init_tx_sa() argument
1457 tx_sa->stats = alloc_percpu(struct macsec_tx_sa_stats); in init_tx_sa()
1458 if (!tx_sa->stats) in init_tx_sa()
1461 tx_sa->key.tfm = macsec_alloc_tfm(sak, key_len, icv_len); in init_tx_sa()
1462 if (IS_ERR(tx_sa->key.tfm)) { in init_tx_sa()
1463 free_percpu(tx_sa->stats); in init_tx_sa()
1464 return PTR_ERR(tx_sa->key.tfm); in init_tx_sa()
1467 tx_sa->ssci = MACSEC_UNDEF_SSCI; in init_tx_sa()
1468 tx_sa->active = false; in init_tx_sa()
1469 refcount_set(&tx_sa->refcnt, 1); in init_tx_sa()
1470 spin_lock_init(&tx_sa->lock); in init_tx_sa()
1475 static void clear_tx_sa(struct macsec_tx_sa *tx_sa) in clear_tx_sa() argument
1477 tx_sa->active = false; in clear_tx_sa()
1479 macsec_txsa_put(tx_sa); in clear_tx_sa()
1537 struct macsec_tx_sa *tx_sa; in get_txsa_from_nl() local
1554 tx_sa = rtnl_dereference(tx_sc->sa[*assoc_num]); in get_txsa_from_nl()
1555 if (!tx_sa) in get_txsa_from_nl()
1561 return tx_sa; in get_txsa_from_nl()
1972 struct macsec_tx_sa *tx_sa; in macsec_add_txsa() local
2030 tx_sa = rtnl_dereference(tx_sc->sa[assoc_num]); in macsec_add_txsa()
2031 if (tx_sa) { in macsec_add_txsa()
2036 tx_sa = kmalloc(sizeof(*tx_sa), GFP_KERNEL); in macsec_add_txsa()
2037 if (!tx_sa) { in macsec_add_txsa()
2042 err = init_tx_sa(tx_sa, nla_data(tb_sa[MACSEC_SA_ATTR_KEY]), in macsec_add_txsa()
2045 kfree(tx_sa); in macsec_add_txsa()
2050 spin_lock_bh(&tx_sa->lock); in macsec_add_txsa()
2051 tx_sa->next_pn = nla_get_u64(tb_sa[MACSEC_SA_ATTR_PN]); in macsec_add_txsa()
2052 spin_unlock_bh(&tx_sa->lock); in macsec_add_txsa()
2055 tx_sa->active = !!nla_get_u8(tb_sa[MACSEC_SA_ATTR_ACTIVE]); in macsec_add_txsa()
2058 if (assoc_num == tx_sc->encoding_sa && tx_sa->active) in macsec_add_txsa()
2062 tx_sa->ssci = nla_get_ssci(tb_sa[MACSEC_SA_ATTR_SSCI]); in macsec_add_txsa()
2063 nla_memcpy(tx_sa->key.salt.bytes, tb_sa[MACSEC_SA_ATTR_SALT], in macsec_add_txsa()
2079 ctx.sa.tx_sa = tx_sa; in macsec_add_txsa()
2090 nla_memcpy(tx_sa->key.id, tb_sa[MACSEC_SA_ATTR_KEYID], MACSEC_KEYID_LEN); in macsec_add_txsa()
2091 rcu_assign_pointer(tx_sc->sa[assoc_num], tx_sa); in macsec_add_txsa()
2099 macsec_txsa_put(tx_sa); in macsec_add_txsa()
2239 struct macsec_tx_sa *tx_sa; in macsec_del_txsa() local
2251 tx_sa = get_txsa_from_nl(genl_info_net(info), attrs, tb_sa, in macsec_del_txsa()
2253 if (IS_ERR(tx_sa)) { in macsec_del_txsa()
2255 return PTR_ERR(tx_sa); in macsec_del_txsa()
2258 if (tx_sa->active) { in macsec_del_txsa()
2275 ctx.sa.tx_sa = tx_sa; in macsec_del_txsa()
2284 clear_tx_sa(tx_sa); in macsec_del_txsa()
2324 struct macsec_tx_sa *tx_sa; in macsec_upd_txsa() local
2343 tx_sa = get_txsa_from_nl(genl_info_net(info), attrs, tb_sa, in macsec_upd_txsa()
2345 if (IS_ERR(tx_sa)) { in macsec_upd_txsa()
2347 return PTR_ERR(tx_sa); in macsec_upd_txsa()
2361 spin_lock_bh(&tx_sa->lock); in macsec_upd_txsa()
2362 prev_pn = tx_sa->next_pn_halves; in macsec_upd_txsa()
2363 tx_sa->next_pn = nla_get_u64(tb_sa[MACSEC_SA_ATTR_PN]); in macsec_upd_txsa()
2364 spin_unlock_bh(&tx_sa->lock); in macsec_upd_txsa()
2367 was_active = tx_sa->active; in macsec_upd_txsa()
2369 tx_sa->active = nla_get_u8(tb_sa[MACSEC_SA_ATTR_ACTIVE]); in macsec_upd_txsa()
2373 secy->operational = tx_sa->active; in macsec_upd_txsa()
2387 ctx.sa.tx_sa = tx_sa; in macsec_upd_txsa()
2401 spin_lock_bh(&tx_sa->lock); in macsec_upd_txsa()
2402 tx_sa->next_pn_halves = prev_pn; in macsec_upd_txsa()
2403 spin_unlock_bh(&tx_sa->lock); in macsec_upd_txsa()
2405 tx_sa->active = was_active; in macsec_upd_txsa()
2673 struct macsec_tx_sa *tx_sa, in get_tx_sa_stats() argument
2687 ctx.sa.tx_sa = tx_sa; in get_tx_sa_stats()
2697 per_cpu_ptr(tx_sa->stats, cpu); in get_tx_sa_stats()
3093 struct macsec_tx_sa *tx_sa = rtnl_dereference(tx_sc->sa[i]); in dump_secy() local
3098 if (!tx_sa) in dump_secy()
3114 get_tx_sa_stats(dev, i, tx_sa, &tx_sa_stats); in dump_secy()
3124 pn = tx_sa->next_pn; in dump_secy()
3127 pn = tx_sa->next_pn_halves.lower; in dump_secy()
3133 nla_put(skb, MACSEC_SA_ATTR_KEYID, MACSEC_KEYID_LEN, tx_sa->key.id) || in dump_secy()
3134 (secy->xpn && nla_put_ssci(skb, MACSEC_SA_ATTR_SSCI, tx_sa->ssci)) || in dump_secy()
3135 nla_put_u8(skb, MACSEC_SA_ATTR_ACTIVE, tx_sa->active)) { in dump_secy()
3427 macsec_count_tx(skb, &macsec->secy.tx_sc, macsec_skb_cb(skb)->tx_sa); in macsec_start_xmit()
3743 struct macsec_tx_sa *tx_sa; in macsec_changelink_common() local
3746 tx_sa = rtnl_dereference(tx_sc->sa[tx_sc->encoding_sa]); in macsec_changelink_common()
3748 secy->operational = tx_sa && tx_sa->active; in macsec_changelink_common()