Hoernchen has uploaded this change for review. (
https://gerrit.osmocom.org/c/osmo-ccid-firmware/+/42781?usp=email )
Change subject: 7816fsm: state_chg before card_uart_tx in
tpdu_s_procedure_action
......................................................................
7816fsm: state_chg before card_uart_tx in tpdu_s_procedure_action
State change must precede the TX to ensure we don't lose
TX_COMPLETE notifications that arrive at a bad time.
Change-Id: Id66f836452674209e25dc3ee4c37d616de30001b
---
M ccid_common/iso7816_fsm.c
1 file changed, 2 insertions(+), 2 deletions(-)
git pull ssh://gerrit.osmocom.org:29418/osmo-ccid-firmware
refs/changes/81/42781/1
diff --git a/ccid_common/iso7816_fsm.c b/ccid_common/iso7816_fsm.c
index 407c1fb..9899e16 100644
--- a/ccid_common/iso7816_fsm.c
+++ b/ccid_common/iso7816_fsm.c
@@ -1371,8 +1371,8 @@
delay_us(1);
gpio_set_pin_level(PIN_PB12, false);
#endif
- card_uart_tx(ip->uart, msgb_l2(tfp->tpdu),
msgb_l2len(tfp->tpdu), true);
osmo_fsm_inst_state_chg(fi,
TPDU_S_TX_REMAINING, 0, 0);
+ card_uart_tx(ip->uart, msgb_l2(tfp->tpdu),
msgb_l2len(tfp->tpdu), true);
} else {
/* 7816-3 10.3.2 special case outgoing transfer
0 means 256 */
int len_expected = tpduh->p3 == 0 ? 256 :
tpduh->p3;
@@ -1391,8 +1391,8 @@
if (tfp->is_command) {
/* transmit *next*, not first byte */
OSMO_ASSERT(msgb_l3len(tfp->tpdu) >= 0);
- card_uart_tx(ip->uart, msgb_l3(tfp->tpdu), 1,
false);
osmo_fsm_inst_state_chg(fi, TPDU_S_TX_SINGLE,
0, 0);
+ card_uart_tx(ip->uart, msgb_l3(tfp->tpdu), 1,
false);
} else {
card_uart_set_rx_threshold(ip->uart, 1);
card_uart_ctrl(ip->uart,
CUART_CTL_RX_TIMER_HINT, 1);
--
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Gerrit-MessageType: newchange
Gerrit-Project: osmo-ccid-firmware
Gerrit-Branch: master
Gerrit-Change-Id: Id66f836452674209e25dc3ee4c37d616de30001b
Gerrit-Change-Number: 42781
Gerrit-PatchSet: 1
Gerrit-Owner: Hoernchen <[email protected]>
