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drivers: modem: wncm14a2a: remove socket_reading logic

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Remove overly complicated logic to skip incoming data if we were
still waiting on a previous set of data to be read.

This fixes a bug where an error during data receive could end up
with the modem ignoring all incoming data.

Signed-off-by: Michael Scott <mike@foundries.io>
This commit is contained in:
Michael Scott 2018-11-26 11:44:59 -08:00 • committed by Anas Nashif
commit e8a690ff70
1 changed files with 10 additions and 23 deletions
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21
drivers/modem/wncm14a2a.c
View file

@ -153,7 +153,6 @@ struct wncm14a2a_socket {
struct sockaddr dst;
int socket_id;
bool socket_reading;
/** semaphore */
struct k_sem sock_send_sem;
@ -826,7 +825,7 @@ static void on_cmd_sockread(struct net_buf **buf, u16_t len)
sock->recv_pkt = net_pkt_get_rx(sock->context, BUF_ALLOC_TIMEOUT);
if (!sock->recv_pkt) {
LOG_ERR("Failed net_pkt_get_reserve_rx!");
goto cleanup;
return;
}
/* set pkt data */
@ -839,7 +838,7 @@ static void on_cmd_sockread(struct net_buf **buf, u16_t len)
LOG_ERR("Failed net_pkt_get_frag!");
net_pkt_unref(sock->recv_pkt);
sock->recv_pkt = NULL;
goto cleanup;
return;
}
net_pkt_frag_add(sock->recv_pkt, frag);
@ -866,7 +865,7 @@ static void on_cmd_sockread(struct net_buf **buf, u16_t len)
LOG_ERR("Unable to add data! Aborting!");
net_pkt_unref(sock->recv_pkt);
sock->recv_pkt = NULL;
goto cleanup;
return;
}
c = 0;
@ -896,9 +895,6 @@ static void on_cmd_sockread(struct net_buf **buf, u16_t len)
* case the app takes a long time.
*/
k_work_submit_to_queue(&wncm14a2a_workq, &sock->recv_cb_work);
cleanup:
sock->socket_reading = false;
}
/* Handler: @SOCKDATAIND: <socket_id>,<session_status>,<left_bytes> */
@ -946,12 +942,7 @@ static void on_cmd_sockdataind(struct net_buf **buf, u16_t len)
}
if (left_bytes > 0) {
if (!sock->socket_reading) {
LOG_DBG("socket_id:%d left_bytes:%d",
socket_id, left_bytes);
/* TODO: add a timeout to unset this */
sock->socket_reading = true;
LOG_DBG("socket_id:%d left_bytes:%d", socket_id, left_bytes);
snprintk(sendbuf, sizeof(sendbuf), "AT@SOCKREAD=%d,%d",
sock->socket_id, left_bytes);
@ -959,10 +950,6 @@ static void on_cmd_sockdataind(struct net_buf **buf, u16_t len)
* so don't hold one when we send the new command
*/
send_at_cmd(sock, sendbuf, K_NO_WAIT);
} else {
LOG_DBG("SKIPPING socket_id:%d left_bytes:%d",
socket_id, left_bytes);
}
}
}