Lines Matching refs:tx_sa
137 struct macsec_tx_sa *tx_sa; member
461 struct macsec_tx_sa *tx_sa) in __macsec_pn_wrapped() argument
464 tx_sa->active = false; in __macsec_pn_wrapped()
469 void macsec_pn_wrapped(struct macsec_secy *secy, struct macsec_tx_sa *tx_sa) in macsec_pn_wrapped() argument
471 spin_lock_bh(&tx_sa->lock); in macsec_pn_wrapped()
472 __macsec_pn_wrapped(secy, tx_sa); in macsec_pn_wrapped()
473 spin_unlock_bh(&tx_sa->lock); in macsec_pn_wrapped()
477 static pn_t tx_sa_update_pn(struct macsec_tx_sa *tx_sa, in tx_sa_update_pn() argument
482 spin_lock_bh(&tx_sa->lock); in tx_sa_update_pn()
484 pn = tx_sa->next_pn_halves; in tx_sa_update_pn()
486 tx_sa->next_pn++; in tx_sa_update_pn()
488 tx_sa->next_pn_halves.lower++; in tx_sa_update_pn()
490 if (tx_sa->next_pn == 0) in tx_sa_update_pn()
491 __macsec_pn_wrapped(secy, tx_sa); in tx_sa_update_pn()
492 spin_unlock_bh(&tx_sa->lock); in tx_sa_update_pn()
516 struct macsec_tx_sa *tx_sa) in macsec_count_tx() argument
525 this_cpu_inc(tx_sa->stats->OutPktsEncrypted); in macsec_count_tx()
529 this_cpu_inc(tx_sa->stats->OutPktsProtected); in macsec_count_tx()
545 struct macsec_tx_sa *sa = macsec_skb_cb(skb)->tx_sa; in macsec_encrypt_done()
551 macsec_count_tx(skb, &macsec->secy.tx_sc, macsec_skb_cb(skb)->tx_sa); in macsec_encrypt_done()
606 struct macsec_tx_sa *tx_sa; in macsec_encrypt() local
615 tx_sa = macsec_txsa_get(tx_sc->sa[tx_sc->encoding_sa]); in macsec_encrypt()
616 if (!tx_sa) { in macsec_encrypt()
632 macsec_txsa_put(tx_sa); in macsec_encrypt()
639 macsec_txsa_put(tx_sa); in macsec_encrypt()
650 pn = tx_sa_update_pn(tx_sa, secy); in macsec_encrypt()
652 macsec_txsa_put(tx_sa); in macsec_encrypt()
668 macsec_txsa_put(tx_sa); in macsec_encrypt()
675 macsec_txsa_put(tx_sa); in macsec_encrypt()
680 req = macsec_alloc_req(tx_sa->key.tfm, &iv, &sg, ret); in macsec_encrypt()
682 macsec_txsa_put(tx_sa); in macsec_encrypt()
688 macsec_fill_iv_xpn(iv, tx_sa->ssci, pn.full64, tx_sa->key.salt); in macsec_encrypt()
696 macsec_txsa_put(tx_sa); in macsec_encrypt()
712 macsec_skb_cb(skb)->tx_sa = tx_sa; in macsec_encrypt()
724 macsec_txsa_put(tx_sa); in macsec_encrypt()
730 macsec_txsa_put(tx_sa); in macsec_encrypt()
1492 static int init_tx_sa(struct macsec_tx_sa *tx_sa, char *sak, int key_len, in init_tx_sa() argument
1495 tx_sa->stats = alloc_percpu(struct macsec_tx_sa_stats); in init_tx_sa()
1496 if (!tx_sa->stats) in init_tx_sa()
1499 tx_sa->key.tfm = macsec_alloc_tfm(sak, key_len, icv_len); in init_tx_sa()
1500 if (IS_ERR(tx_sa->key.tfm)) { in init_tx_sa()
1501 free_percpu(tx_sa->stats); in init_tx_sa()
1502 return PTR_ERR(tx_sa->key.tfm); in init_tx_sa()
1505 tx_sa->ssci = MACSEC_UNDEF_SSCI; in init_tx_sa()
1506 tx_sa->active = false; in init_tx_sa()
1507 refcount_set(&tx_sa->refcnt, 1); in init_tx_sa()
1508 spin_lock_init(&tx_sa->lock); in init_tx_sa()
1513 static void clear_tx_sa(struct macsec_tx_sa *tx_sa) in clear_tx_sa() argument
1515 tx_sa->active = false; in clear_tx_sa()
1517 macsec_txsa_put(tx_sa); in clear_tx_sa()
1575 struct macsec_tx_sa *tx_sa; in get_txsa_from_nl() local
1592 tx_sa = rtnl_dereference(tx_sc->sa[*assoc_num]); in get_txsa_from_nl()
1593 if (!tx_sa) in get_txsa_from_nl()
1599 return tx_sa; in get_txsa_from_nl()
2010 struct macsec_tx_sa *tx_sa; in macsec_add_txsa() local
2068 tx_sa = rtnl_dereference(tx_sc->sa[assoc_num]); in macsec_add_txsa()
2069 if (tx_sa) { in macsec_add_txsa()
2074 tx_sa = kmalloc(sizeof(*tx_sa), GFP_KERNEL); in macsec_add_txsa()
2075 if (!tx_sa) { in macsec_add_txsa()
2080 err = init_tx_sa(tx_sa, nla_data(tb_sa[MACSEC_SA_ATTR_KEY]), in macsec_add_txsa()
2083 kfree(tx_sa); in macsec_add_txsa()
2088 spin_lock_bh(&tx_sa->lock); in macsec_add_txsa()
2089 tx_sa->next_pn = nla_get_u64(tb_sa[MACSEC_SA_ATTR_PN]); in macsec_add_txsa()
2090 spin_unlock_bh(&tx_sa->lock); in macsec_add_txsa()
2093 tx_sa->active = !!nla_get_u8(tb_sa[MACSEC_SA_ATTR_ACTIVE]); in macsec_add_txsa()
2096 if (assoc_num == tx_sc->encoding_sa && tx_sa->active) in macsec_add_txsa()
2100 tx_sa->ssci = nla_get_ssci(tb_sa[MACSEC_SA_ATTR_SSCI]); in macsec_add_txsa()
2101 nla_memcpy(tx_sa->key.salt.bytes, tb_sa[MACSEC_SA_ATTR_SALT], in macsec_add_txsa()
2117 ctx.sa.tx_sa = tx_sa; in macsec_add_txsa()
2128 nla_memcpy(tx_sa->key.id, tb_sa[MACSEC_SA_ATTR_KEYID], MACSEC_KEYID_LEN); in macsec_add_txsa()
2129 rcu_assign_pointer(tx_sc->sa[assoc_num], tx_sa); in macsec_add_txsa()
2137 macsec_txsa_put(tx_sa); in macsec_add_txsa()
2277 struct macsec_tx_sa *tx_sa; in macsec_del_txsa() local
2289 tx_sa = get_txsa_from_nl(genl_info_net(info), attrs, tb_sa, in macsec_del_txsa()
2291 if (IS_ERR(tx_sa)) { in macsec_del_txsa()
2293 return PTR_ERR(tx_sa); in macsec_del_txsa()
2296 if (tx_sa->active) { in macsec_del_txsa()
2313 ctx.sa.tx_sa = tx_sa; in macsec_del_txsa()
2322 clear_tx_sa(tx_sa); in macsec_del_txsa()
2362 struct macsec_tx_sa *tx_sa; in macsec_upd_txsa() local
2381 tx_sa = get_txsa_from_nl(genl_info_net(info), attrs, tb_sa, in macsec_upd_txsa()
2383 if (IS_ERR(tx_sa)) { in macsec_upd_txsa()
2385 return PTR_ERR(tx_sa); in macsec_upd_txsa()
2399 spin_lock_bh(&tx_sa->lock); in macsec_upd_txsa()
2400 prev_pn = tx_sa->next_pn_halves; in macsec_upd_txsa()
2401 tx_sa->next_pn = nla_get_u64(tb_sa[MACSEC_SA_ATTR_PN]); in macsec_upd_txsa()
2402 spin_unlock_bh(&tx_sa->lock); in macsec_upd_txsa()
2405 was_active = tx_sa->active; in macsec_upd_txsa()
2407 tx_sa->active = nla_get_u8(tb_sa[MACSEC_SA_ATTR_ACTIVE]); in macsec_upd_txsa()
2411 secy->operational = tx_sa->active; in macsec_upd_txsa()
2425 ctx.sa.tx_sa = tx_sa; in macsec_upd_txsa()
2440 spin_lock_bh(&tx_sa->lock); in macsec_upd_txsa()
2441 tx_sa->next_pn_halves = prev_pn; in macsec_upd_txsa()
2442 spin_unlock_bh(&tx_sa->lock); in macsec_upd_txsa()
2444 tx_sa->active = was_active; in macsec_upd_txsa()
2760 struct macsec_tx_sa *tx_sa, in get_tx_sa_stats() argument
2774 ctx.sa.tx_sa = tx_sa; in get_tx_sa_stats()
2784 per_cpu_ptr(tx_sa->stats, cpu); in get_tx_sa_stats()
3180 struct macsec_tx_sa *tx_sa = rtnl_dereference(tx_sc->sa[i]); in dump_secy() local
3185 if (!tx_sa) in dump_secy()
3201 get_tx_sa_stats(dev, i, tx_sa, &tx_sa_stats); in dump_secy()
3211 pn = tx_sa->next_pn; in dump_secy()
3214 pn = tx_sa->next_pn_halves.lower; in dump_secy()
3220 nla_put(skb, MACSEC_SA_ATTR_KEYID, MACSEC_KEYID_LEN, tx_sa->key.id) || in dump_secy()
3221 (secy->xpn && nla_put_ssci(skb, MACSEC_SA_ATTR_SSCI, tx_sa->ssci)) || in dump_secy()
3222 nla_put_u8(skb, MACSEC_SA_ATTR_ACTIVE, tx_sa->active)) { in dump_secy()
3557 macsec_count_tx(skb, &macsec->secy.tx_sc, macsec_skb_cb(skb)->tx_sa); in macsec_start_xmit()
3890 struct macsec_tx_sa *tx_sa; in macsec_changelink_common() local
3893 tx_sa = rtnl_dereference(tx_sc->sa[tx_sc->encoding_sa]); in macsec_changelink_common()
3895 secy->operational = tx_sa && tx_sa->active; in macsec_changelink_common()