Commit a4d26fdb authored by Jakub Kicinski's avatar Jakub Kicinski Committed by David S. Miller
Browse files

net/tls: add TlsDeviceRxResync statistic 



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

Signed-off-by: default avatarJakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 5c5ec668

Documentation/networking/tls.rst

+3 −0
Original line number Diff line number Diff line
@@ -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

include/uapi/linux/snmp.h

+1 −0
Original line number Diff line number Diff line
@@ -336,6 +336,7 @@ enum 
	LINUX_MIB_TLSTXDEVICE,			/* TlsTxDevice */

	LINUX_MIB_TLSRXDEVICE,			/* TlsRxDevice */

	LINUX_MIB_TLSDECRYPTERROR,		/* TlsDecryptError */

	LINUX_MIB_TLSRXDEVICERESYNC,		/* TlsRxDeviceResync */

	__LINUX_MIB_TLSMAX

};

net/tls/tls_device.c

+1 −0
Original line number Diff line number Diff line
@@ -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)

net/tls/tls_proc.c

+1 −0
Original line number Diff line number Diff line
@@ -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

};

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