diff options
| author | Jakub Kicinski <[email protected]> | 2019-10-04 23:19:25 +0000 |
|---|---|---|
| committer | David S. Miller <[email protected]> | 2019-10-05 23:29:00 +0000 |
| commit | b32fd3cc31d723bf2ab859667be3612c0086ec72 (patch) | |
| tree | b84ba9030fd5b6d2db283229943fb583797ce9d0 /net/tls/tls_main.c | |
| parent | net/tls: add skeleton of MIB statistics (diff) | |
| download | kernel-b32fd3cc31d723bf2ab859667be3612c0086ec72.tar.gz kernel-b32fd3cc31d723bf2ab859667be3612c0086ec72.zip | |
net/tls: add statistics for installed sessions
Add SNMP stats for number of sockets with successfully
installed sessions. Break them down to software and
hardware ones. Note that if hardware offload fails
stack uses software implementation, and counts the
session appropriately.
Signed-off-by: Jakub Kicinski <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Diffstat (limited to 'net/tls/tls_main.c')
| -rw-r--r-- | net/tls/tls_main.c | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/net/tls/tls_main.c b/net/tls/tls_main.c index 686eba0df590..f144b965704e 100644 --- a/net/tls/tls_main.c +++ b/net/tls/tls_main.c @@ -286,14 +286,19 @@ static void tls_sk_proto_cleanup(struct sock *sk, kfree(ctx->tx.rec_seq); kfree(ctx->tx.iv); tls_sw_release_resources_tx(sk); + TLS_DEC_STATS(sock_net(sk), LINUX_MIB_TLSCURRTXSW); } else if (ctx->tx_conf == TLS_HW) { tls_device_free_resources_tx(sk); + TLS_DEC_STATS(sock_net(sk), LINUX_MIB_TLSCURRTXDEVICE); } - if (ctx->rx_conf == TLS_SW) + if (ctx->rx_conf == TLS_SW) { tls_sw_release_resources_rx(sk); - else if (ctx->rx_conf == TLS_HW) + TLS_DEC_STATS(sock_net(sk), LINUX_MIB_TLSCURRRXSW); + } else if (ctx->rx_conf == TLS_HW) { tls_device_offload_cleanup_rx(sk); + TLS_DEC_STATS(sock_net(sk), LINUX_MIB_TLSCURRRXDEVICE); + } } static void tls_sk_proto_close(struct sock *sk, long timeout) @@ -534,19 +539,29 @@ static int do_tls_setsockopt_conf(struct sock *sk, char __user *optval, if (tx) { rc = tls_set_device_offload(sk, ctx); conf = TLS_HW; - if (rc) { + if (!rc) { + TLS_INC_STATS(sock_net(sk), LINUX_MIB_TLSTXDEVICE); + TLS_INC_STATS(sock_net(sk), LINUX_MIB_TLSCURRTXDEVICE); + } else { rc = tls_set_sw_offload(sk, ctx, 1); if (rc) goto err_crypto_info; + TLS_INC_STATS(sock_net(sk), LINUX_MIB_TLSTXSW); + TLS_INC_STATS(sock_net(sk), LINUX_MIB_TLSCURRTXSW); conf = TLS_SW; } } else { rc = tls_set_device_offload_rx(sk, ctx); conf = TLS_HW; - if (rc) { + if (!rc) { + TLS_INC_STATS(sock_net(sk), LINUX_MIB_TLSRXDEVICE); + TLS_INC_STATS(sock_net(sk), LINUX_MIB_TLSCURRRXDEVICE); + } else { rc = tls_set_sw_offload(sk, ctx, 0); if (rc) goto err_crypto_info; + TLS_INC_STATS(sock_net(sk), LINUX_MIB_TLSRXSW); + TLS_INC_STATS(sock_net(sk), LINUX_MIB_TLSCURRRXSW); conf = TLS_SW; } tls_sw_strparser_arm(sk, ctx); |