net/tls: add TlsDeviceRxResync statistic

Add a statistic for number of RX resyncs sent down to the NIC.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jakub Kicinski 2019-10-04 16:19:27 -07:00 committed by David S. Miller
parent 5c5ec66858
commit a4d26fdbc2
4 changed files with 6 additions and 0 deletions

View File

@ -236,3 +236,6 @@ TLS implementation exposes the following per-namespace statistics
- ``TlsDecryptError`` -
record decryption failed (e.g. due to incorrect authentication tag)
- ``TlsDeviceRxResync`` -
number of RX resyncs sent to NICs handling cryptography

View File

@ -336,6 +336,7 @@ enum
LINUX_MIB_TLSTXDEVICE, /* TlsTxDevice */
LINUX_MIB_TLSRXDEVICE, /* TlsRxDevice */
LINUX_MIB_TLSDECRYPTERROR, /* TlsDecryptError */
LINUX_MIB_TLSRXDEVICERESYNC, /* TlsRxDeviceResync */
__LINUX_MIB_TLSMAX
};

View File

@ -661,6 +661,7 @@ static void tls_device_resync_rx(struct tls_context *tls_ctx,
netdev->tlsdev_ops->tls_dev_resync(netdev, sk, seq, rcd_sn,
TLS_OFFLOAD_CTX_DIR_RX);
clear_bit_unlock(TLS_RX_SYNC_RUNNING, &tls_ctx->flags);
TLS_INC_STATS(sock_net(sk), LINUX_MIB_TLSRXDEVICERESYNC);
}
void tls_device_rx_resync_new_rec(struct sock *sk, u32 rcd_len, u32 seq)

View File

@ -16,6 +16,7 @@ static const struct snmp_mib tls_mib_list[] = {
SNMP_MIB_ITEM("TlsTxDevice", LINUX_MIB_TLSTXDEVICE),
SNMP_MIB_ITEM("TlsRxDevice", LINUX_MIB_TLSRXDEVICE),
SNMP_MIB_ITEM("TlsDecryptError", LINUX_MIB_TLSDECRYPTERROR),
SNMP_MIB_ITEM("TlsRxDeviceResync", LINUX_MIB_TLSRXDEVICERESYNC),
SNMP_MIB_SENTINEL
};