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pseudo_talloc: Increment number of buffers from 10 to 20

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We need at least one per IN/IRQ endpoint, as well as at least 3 for
every OUT endpoint.  Plus some more depending on the application,
in case of cardem there could be one in uart_tx and one in uart_rx.

So for cardem, it should be 7 per slot, resulting 14 for dual-slot
devices like OWHW and QMOD.

Given that we have plenty of RAM available (utilization up from 49%
to 56% with this change), we can be on the comfortable size and
easily have 20 buffers for now.

Future MITM / triple-play applications likely need more.

Change-Id: I022ba3bb3e1f5fd0c364aafe1a23f8fd9b2d8499
Related: OS#4251
This commit is contained in:
Harald Welte
2019-12-15 17:35:58 +01:00
parent a812de808d
commit 1714679106
1 changed files with 3 additions and 1 deletions
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4
firmware/libcommon/source/pseudo_talloc.c
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@@ -22,7 +22,9 @@
#include "utils.h"
#include <osmocom/core/utils.h>
#define NUM_RCTX_SMALL 10
/* TODO: this number should dynamically scale. We need at least one per IN/IRQ endpoint,
* as well as at least 3 for every OUT endpoint. Plus some more depending on the application */
#define NUM_RCTX_SMALL 20
#define RCTX_SIZE_SMALL 348
static uint8_t msgb_data[NUM_RCTX_SMALL][RCTX_SIZE_SMALL] __attribute__((aligned(sizeof(long))));