pespin has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-bts/+/41660?usp=email )

Change subject: bts-trx: define TRXD_MSG_BUF_SIZE as a more realistic lower value ......................................................................

bts-trx: define TRXD_MSG_BUF_SIZE as a more realistic lower value

Change-Id: Ic725e26637f8c116cfd5e64ff54d60a1d1bf9b87 --- M src/osmo-bts-trx/trx_if.h 1 file changed, 7 insertions(+), 2 deletions(-)

git pull ssh://gerrit.osmocom.org:29418/osmo-bts refs/changes/60/41660/1

diff --git a/src/osmo-bts-trx/trx_if.h b/src/osmo-bts-trx/trx_if.h index 13c537d..5f96ea2 100644 --- a/src/osmo-bts-trx/trx_if.h +++ b/src/osmo-bts-trx/trx_if.h @@ -1,9 +1,14 @@ #pragma once

+#include <osmocom/core/utils.h> + /* TRXC read/send buffer size */ #define TRXC_MSG_BUF_SIZE 1500 -/* TRXD read/send buffer size (max. IPv4 MTU) */ -#define TRXD_MSG_BUF_SIZE 65535U +/* TRXD read/send buffer size: (2*GSM_BURST_LEN = VAMOS) + * NOTE: a legacy transceiver may append two garbage bytes. + * This ends up being (444+2)*8 = 3568 bytes */ +#define TRXD_BURST_SIZE_MAX OSMO_MAX(2 * (GSM_BURST_LEN + 2), (EGPRS_BURST_LEN + 2)) +#define TRXD_MSG_BUF_SIZE (TRXD_BURST_SIZE_MAX * TRX_NR_TS)

struct trx_dl_burst_req; struct trx_l1h;