From 492d7790ff26c569bee81617c662363652891140 Mon Sep 17 00:00:00 2001 From: Gabriel Oginski Date: Wed, 10 Nov 2021 07:59:56 +0000 Subject: wireguard: add async mode for encryption packets Originally wireguard doesn't support async mode for encryption packets. This patch add async mode for encryption in wireguard and also adds support chacha20-poly1305 algorithm in cryptodev for async handler. In addition it contains new command line to activate async mode for wireguard: set wireguard async mode on|off and also add new command to check active mode for wireguard: show wireguard mode Type: improvement Signed-off-by: Gabriel Oginski Change-Id: I141d48b42ee8dbff0112b8542ab5205268089da6 --- src/plugins/wireguard/wireguard.h | 58 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 58 insertions(+) (limited to 'src/plugins/wireguard/wireguard.h') diff --git a/src/plugins/wireguard/wireguard.h b/src/plugins/wireguard/wireguard.h index 4cbee1fcf7a..aaec3d47b23 100644 --- a/src/plugins/wireguard/wireguard.h +++ b/src/plugins/wireguard/wireguard.h @@ -30,6 +30,7 @@ typedef struct wg_per_thread_data_t_ { CLIB_CACHE_LINE_ALIGN_MARK (cacheline0); vnet_crypto_op_t *crypto_ops; + vnet_crypto_async_frame_t **async_frames; u8 data[WG_DEFAULT_DATA_SIZE]; } wg_per_thread_data_t; typedef struct @@ -50,12 +51,69 @@ typedef struct u8 feature_init; tw_timer_wheel_16t_2w_512sl_t timer_wheel; + + /* operation mode flags (e.g. async) */ + u8 op_mode_flags; } wg_main_t; +typedef struct +{ + /* wg post node index for async crypto */ + u32 wg4_post_next; + u32 wg6_post_next; +} wg_async_post_next_t; + +extern wg_async_post_next_t wg_encrypt_async_next; extern wg_main_t wg_main; +/** + * Wireguard operation mode + **/ +#define foreach_wg_op_mode_flags _ (0, ASYNC, "async") + +/** + * Helper function to set/unset and check op modes + **/ +typedef enum wg_op_mode_flags_t_ +{ +#define _(v, f, s) WG_OP_MODE_FLAG_##f = 1 << v, + foreach_wg_op_mode_flags +#undef _ +} __clib_packed wg_op_mode_flags_t; + +#define _(a, v, s) \ + always_inline int wg_op_mode_set_##v (void) \ + { \ + return (wg_main.op_mode_flags |= WG_OP_MODE_FLAG_##v); \ + } \ + always_inline int wg_op_mode_unset_##v (void) \ + { \ + return (wg_main.op_mode_flags &= ~WG_OP_MODE_FLAG_##v); \ + } \ + always_inline int wg_op_mode_is_set_##v (void) \ + { \ + return (wg_main.op_mode_flags & WG_OP_MODE_FLAG_##v); \ + } +foreach_wg_op_mode_flags +#undef _ + + typedef struct +{ + u8 __pad[22]; + u16 next_index; +} wg_post_data_t; + +STATIC_ASSERT (sizeof (wg_post_data_t) <= + STRUCT_SIZE_OF (vnet_buffer_opaque_t, unused), + "Custom meta-data too large for vnet_buffer_opaque_t"); + +#define wg_post_data(b) \ + ((wg_post_data_t *) ((u8 *) ((b)->opaque) + \ + STRUCT_OFFSET_OF (vnet_buffer_opaque_t, unused))) + #define WG_START_EVENT 1 void wg_feature_init (wg_main_t * wmp); +void wg_set_async_mode (u32 is_enabled); #endif /* __included_wg_h__ */ -- cgit 1.2.3-korg