From 0a6e9b718dbbdeb6e9f56f2f79e789f6833ea804 Mon Sep 17 00:00:00 2001 From: Emeel Hakim Date: Wed, 21 Sep 2022 11:10:45 -0700 Subject: [PATCH] net: macsec: Expose extended packet number (EPN) properties to macsec offload Currently macsec invokes HW offload path before reading extended packet number (EPN) related user properties i.e. salt and short secure channel identifier (ssci), hence preventing macsec EPN HW offload. Expose those by moving macsec EPN properties reading prior to HW offload path. Signed-off-by: Emeel Hakim Reviewed-by: Tariq Toukan Signed-off-by: Saeed Mahameed Signed-off-by: Jakub Kicinski --- drivers/net/macsec.c | 24 ++++++++++++------------ 1 file changed, 12 insertions(+), 12 deletions(-) diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c index 830fed3914b6..617f850bdb3a 100644 --- a/drivers/net/macsec.c +++ b/drivers/net/macsec.c @@ -1828,6 +1828,12 @@ static int macsec_add_rxsa(struct sk_buff *skb, struct genl_info *info) rx_sa->sc = rx_sc; + if (secy->xpn) { + rx_sa->ssci = nla_get_ssci(tb_sa[MACSEC_SA_ATTR_SSCI]); + nla_memcpy(rx_sa->key.salt.bytes, tb_sa[MACSEC_SA_ATTR_SALT], + MACSEC_SALT_LEN); + } + /* If h/w offloading is available, propagate to the device */ if (macsec_is_offloaded(netdev_priv(dev))) { const struct macsec_ops *ops; @@ -1850,12 +1856,6 @@ static int macsec_add_rxsa(struct sk_buff *skb, struct genl_info *info) goto cleanup; } - if (secy->xpn) { - rx_sa->ssci = nla_get_ssci(tb_sa[MACSEC_SA_ATTR_SSCI]); - nla_memcpy(rx_sa->key.salt.bytes, tb_sa[MACSEC_SA_ATTR_SALT], - MACSEC_SALT_LEN); - } - nla_memcpy(rx_sa->key.id, tb_sa[MACSEC_SA_ATTR_KEYID], MACSEC_KEYID_LEN); rcu_assign_pointer(rx_sc->sa[assoc_num], rx_sa); @@ -2070,6 +2070,12 @@ static int macsec_add_txsa(struct sk_buff *skb, struct genl_info *info) if (assoc_num == tx_sc->encoding_sa && tx_sa->active) secy->operational = true; + if (secy->xpn) { + tx_sa->ssci = nla_get_ssci(tb_sa[MACSEC_SA_ATTR_SSCI]); + nla_memcpy(tx_sa->key.salt.bytes, tb_sa[MACSEC_SA_ATTR_SALT], + MACSEC_SALT_LEN); + } + /* If h/w offloading is available, propagate to the device */ if (macsec_is_offloaded(netdev_priv(dev))) { const struct macsec_ops *ops; @@ -2092,12 +2098,6 @@ static int macsec_add_txsa(struct sk_buff *skb, struct genl_info *info) goto cleanup; } - if (secy->xpn) { - tx_sa->ssci = nla_get_ssci(tb_sa[MACSEC_SA_ATTR_SSCI]); - nla_memcpy(tx_sa->key.salt.bytes, tb_sa[MACSEC_SA_ATTR_SALT], - MACSEC_SALT_LEN); - } - nla_memcpy(tx_sa->key.id, tb_sa[MACSEC_SA_ATTR_KEYID], MACSEC_KEYID_LEN); rcu_assign_pointer(tx_sc->sa[assoc_num], tx_sa);