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Message-ID: <20230111081112.21067-3-ehakim@nvidia.com>
Date: Wed, 11 Jan 2023 10:11:12 +0200
From: <ehakim@...dia.com>
To: <netdev@...r.kernel.org>
CC: <raeds@...dia.com>, <davem@...emloft.net>, <edumazet@...gle.com>,
<kuba@...nel.org>, <pabeni@...hat.com>, <sd@...asysnail.net>,
<atenart@...nel.org>, Emeel Hakim <ehakim@...dia.com>
Subject: [PATCH net-next v8 2/2] macsec: dump IFLA_MACSEC_OFFLOAD attribute as part of macsec dump
From: Emeel Hakim <ehakim@...dia.com>
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@...dia.com>
---
V1 -> V2: Update commit message
drivers/net/macsec.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c
index 31f8627d6a1d..41e1054c6f26 100644
--- a/drivers/net/macsec.c
+++ b/drivers/net/macsec.c
@@ -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;
--
2.21.3
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