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macsec: dump IFLA_MACSEC_OFFLOAD attribute as part of macsec dump

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Support dumping offload netlink attribute in macsec's device
attributes dump.
Change macsec_get_size to consider the offload attribute in
the calculations of the required room for dumping the device
netlink attributes.

Signed-off-by: Emeel Hakim <ehakim@nvidia.com>
Reviewed-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Emeel Hakim 2023-01-11 17:02:10 +02:00 committed by Jakub Kicinski
parent 15f1735520
commit 723e8a48c9
1 changed files with 9 additions and 2 deletions
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11
drivers/net/macsec.c
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@ -4246,16 +4246,22 @@ static size_t macsec_get_size(const struct net_device *dev)
nla_total_size(1) + /* IFLA_MACSEC_SCB */
nla_total_size(1) + /* IFLA_MACSEC_REPLAY_PROTECT */
nla_total_size(1) + /* IFLA_MACSEC_VALIDATION */
nla_total_size(1) + /* IFLA_MACSEC_OFFLOAD */
0;
}
static int macsec_fill_info(struct sk_buff *skb,
const struct net_device *dev)
{
struct macsec_secy *secy = &macsec_priv(dev)->secy;
struct macsec_tx_sc *tx_sc = &secy->tx_sc;
struct macsec_tx_sc *tx_sc;
struct macsec_dev *macsec;
struct macsec_secy *secy;
u64 csid;
macsec = macsec_priv(dev);
secy = &macsec->secy;
tx_sc = &secy->tx_sc;
switch (secy->key_len) {
case MACSEC_GCM_AES_128_SAK_LEN:
csid = secy->xpn ? MACSEC_CIPHER_ID_GCM_AES_XPN_128 : MACSEC_DEFAULT_CIPHER_ID;
@ -4280,6 +4286,7 @@ static int macsec_fill_info(struct sk_buff *skb,
nla_put_u8(skb, IFLA_MACSEC_SCB, tx_sc->scb) ||
nla_put_u8(skb, IFLA_MACSEC_REPLAY_PROTECT, secy->replay_protect) ||
nla_put_u8(skb, IFLA_MACSEC_VALIDATION, secy->validate_frames) ||
nla_put_u8(skb, IFLA_MACSEC_OFFLOAD, macsec->offload) ||
0)
goto nla_put_failure;