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-rw-r--r--src/plugins/hs_apps/proxy.c90
-rw-r--r--src/plugins/hs_apps/proxy.h5
2 files changed, 81 insertions, 14 deletions
diff --git a/src/plugins/hs_apps/proxy.c b/src/plugins/hs_apps/proxy.c
index d0e3bc49b42..ca46aef2ae0 100644
--- a/src/plugins/hs_apps/proxy.c
+++ b/src/plugins/hs_apps/proxy.c
@@ -141,6 +141,50 @@ delete_proxy_session (session_t * s, int is_active_open)
}
static int
+common_fifo_tuning_callback (session_t * s, svm_fifo_t * f,
+ session_ft_action_t act, u32 bytes)
+{
+ proxy_main_t *pm = &proxy_main;
+
+ segment_manager_t *sm = segment_manager_get (f->segment_manager);
+ fifo_segment_t *fs = segment_manager_get_segment (sm, f->segment_index);
+
+ u8 seg_usage = fifo_segment_get_mem_usage (fs);
+ u32 fifo_in_use = svm_fifo_max_dequeue_prod (f);
+ u32 fifo_size = svm_fifo_size (f);
+ u8 fifo_usage = fifo_in_use * 100 / fifo_size;
+ u8 update_size = 0;
+
+ ASSERT (act < SESSION_FT_ACTION_N_ACTIONS);
+
+ if (act == SESSION_FT_ACTION_ENQUEUED)
+ {
+ if (seg_usage < pm->low_watermark && fifo_usage > 50)
+ update_size = fifo_in_use;
+ else if (seg_usage < pm->high_watermark && fifo_usage > 80)
+ update_size = fifo_in_use;
+
+ update_size = clib_min (update_size, sm->max_fifo_size - fifo_size);
+ if (update_size)
+ svm_fifo_set_size (f, fifo_size + update_size);
+ }
+ else /* dequeued */
+ {
+ if (seg_usage > pm->high_watermark || fifo_usage < 20)
+ update_size = bytes;
+ else if (seg_usage > pm->low_watermark && fifo_usage < 50)
+ update_size = (bytes / 2);
+
+ ASSERT (fifo_size >= 4096);
+ update_size = clib_min (update_size, fifo_size - 4096);
+ if (update_size)
+ svm_fifo_set_size (f, fifo_size - update_size);
+ }
+
+ return 0;
+}
+
+static int
proxy_accept_callback (session_t * s)
{
proxy_main_t *pm = &proxy_main;
@@ -313,7 +357,8 @@ static session_cb_vft_t proxy_session_cb_vft = {
.add_segment_callback = proxy_add_segment_callback,
.builtin_app_rx_callback = proxy_rx_callback,
.builtin_app_tx_callback = proxy_tx_callback,
- .session_reset_callback = proxy_reset_callback
+ .session_reset_callback = proxy_reset_callback,
+ .fifo_tuning_callback = common_fifo_tuning_callback
};
static int
@@ -468,6 +513,7 @@ static session_cb_vft_t active_open_clients = {
.session_disconnect_callback = active_open_disconnect_callback,
.builtin_app_rx_callback = active_open_rx_callback,
.builtin_app_tx_callback = active_open_tx_callback,
+ .fifo_tuning_callback = common_fifo_tuning_callback
};
/* *INDENT-ON* */
@@ -491,6 +537,9 @@ proxy_server_attach ()
a->options[APP_OPTIONS_SEGMENT_SIZE] = segment_size;
a->options[APP_OPTIONS_RX_FIFO_SIZE] = pm->fifo_size;
a->options[APP_OPTIONS_TX_FIFO_SIZE] = pm->fifo_size;
+ a->options[APP_OPTIONS_MAX_FIFO_SIZE] = pm->max_fifo_size;
+ a->options[APP_OPTIONS_HIGH_WATERMARK] = (u64) pm->high_watermark;
+ a->options[APP_OPTIONS_LOW_WATERMARK] = (u64) pm->low_watermark;
a->options[APP_OPTIONS_PRIVATE_SEGMENT_COUNT] = pm->private_segment_count;
a->options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] =
pm->prealloc_fifos ? pm->prealloc_fifos : 0;
@@ -513,7 +562,7 @@ active_open_attach (void)
{
proxy_main_t *pm = &proxy_main;
vnet_app_attach_args_t _a, *a = &_a;
- u64 options[16];
+ u64 options[APP_OPTIONS_N_OPTIONS];
clib_memset (a, 0, sizeof (*a));
clib_memset (options, 0, sizeof (options));
@@ -526,6 +575,9 @@ active_open_attach (void)
options[APP_OPTIONS_SEGMENT_SIZE] = 512 << 20;
options[APP_OPTIONS_RX_FIFO_SIZE] = pm->fifo_size;
options[APP_OPTIONS_TX_FIFO_SIZE] = pm->fifo_size;
+ options[APP_OPTIONS_MAX_FIFO_SIZE] = pm->max_fifo_size;
+ options[APP_OPTIONS_HIGH_WATERMARK] = (u64) pm->high_watermark;
+ options[APP_OPTIONS_LOW_WATERMARK] = (u64) pm->low_watermark;
options[APP_OPTIONS_PRIVATE_SEGMENT_COUNT] = pm->private_segment_count;
options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] =
pm->prealloc_fifos ? pm->prealloc_fifos : 0;
@@ -607,10 +659,13 @@ proxy_server_create_command_fn (vlib_main_t * vm, unformat_input_t * input,
proxy_main_t *pm = &proxy_main;
char *default_server_uri = "tcp://0.0.0.0/23";
char *default_client_uri = "tcp://6.0.2.2/23";
- int rv;
- u64 tmp;
+ int rv, tmp32;
+ u64 tmp64;
pm->fifo_size = 64 << 10;
+ pm->max_fifo_size = 128 << 20;
+ pm->high_watermark = 80;
+ pm->low_watermark = 50;
pm->rcv_buffer_size = 1024;
pm->prealloc_fifos = 0;
pm->private_segment_count = 0;
@@ -620,8 +675,16 @@ proxy_server_create_command_fn (vlib_main_t * vm, unformat_input_t * input,
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
- if (unformat (input, "fifo-size %d", &pm->fifo_size))
- pm->fifo_size <<= 10;
+ if (unformat (input, "fifo-size %U",
+ unformat_memory_size, &pm->fifo_size))
+ ;
+ else if (unformat (input, "max-fifo-size %U",
+ unformat_memory_size, &pm->max_fifo_size))
+ ;
+ else if (unformat (input, "high-watermark %d", &tmp32))
+ pm->high_watermark = (u8) tmp32;
+ else if (unformat (input, "low-watermark %d", &tmp32))
+ pm->low_watermark = (u8) tmp32;
else if (unformat (input, "rcv-buf-size %d", &pm->rcv_buffer_size))
;
else if (unformat (input, "prealloc-fifos %d", &pm->prealloc_fifos))
@@ -630,12 +693,12 @@ proxy_server_create_command_fn (vlib_main_t * vm, unformat_input_t * input,
&pm->private_segment_count))
;
else if (unformat (input, "private-segment-size %U",
- unformat_memory_size, &tmp))
+ unformat_memory_size, &tmp64))
{
- if (tmp >= 0x100000000ULL)
+ if (tmp64 >= 0x100000000ULL)
return clib_error_return
- (0, "private segment size %lld (%llu) too large", tmp, tmp);
- pm->private_segment_size = tmp;
+ (0, "private segment size %lld (%llu) too large", tmp64, tmp64);
+ pm->private_segment_size = tmp64;
}
else if (unformat (input, "server-uri %s", &pm->server_uri))
vec_add1 (pm->server_uri, 0);
@@ -678,9 +741,10 @@ VLIB_CLI_COMMAND (proxy_create_command, static) =
{
.path = "test proxy server",
.short_help = "test proxy server [server-uri <tcp://ip/port>]"
- "[client-uri <tcp://ip/port>][fifo-size <nn>][rcv-buf-size <nn>]"
- "[prealloc-fifos <nn>][private-segment-size <mem>]"
- "[private-segment-count <nn>]",
+ "[client-uri <tcp://ip/port>][fifo-size <nn>[k|m]]"
+ "[max-fifo-size <nn>[k|m]][high-watermark <nn>]"
+ "[low-watermark <nn>][rcv-buf-size <nn>][prealloc-fifos <nn>]"
+ "[private-segment-size <mem>][private-segment-count <nn>]",
.function = proxy_server_create_command_fn,
};
/* *INDENT-ON* */
diff --git a/src/plugins/hs_apps/proxy.h b/src/plugins/hs_apps/proxy.h
index 9b80b3d1105..87a96186b22 100644
--- a/src/plugins/hs_apps/proxy.h
+++ b/src/plugins/hs_apps/proxy.h
@@ -57,7 +57,10 @@ typedef struct
*/
u8 *connect_uri; /**< URI for slave's connect */
u32 configured_segment_size;
- u32 fifo_size;
+ u32 fifo_size; /**< initial fifo size */
+ u32 max_fifo_size; /**< max fifo size */
+ u8 high_watermark; /**< high watermark (%) */
+ u8 low_watermark; /**< low watermark (%) */
u32 private_segment_count; /**< Number of private fifo segs */
u32 private_segment_size; /**< size of private fifo segs */
int rcv_buffer_size;