Bluetooth: Add API to set LE Connection Parameters
Include auto-setting connection parameters during Pairing for
low latenecy, and default (high latency) settings for non-Pairing
connections.
Change-Id: Ie8e3f65da52213451dcc01fce38d95ae07d1b13b
Signed-off-by: Brian Gix <bgix@codeaurora.org>
diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c
index e725148..a88f4a5 100644
--- a/net/bluetooth/smp.c
+++ b/net/bluetooth/smp.c
@@ -31,6 +31,11 @@
#define SMP_TIMEOUT 30000 /* 30 seconds */
+#define SMP_MIN_CONN_INTERVAL 40 /* 50ms (40 * 1.25ms) */
+#define SMP_MAX_CONN_INTERVAL 56 /* 70ms (56 * 1.25ms) */
+#define SMP_MAX_CONN_LATENCY 0 /* 0ms (0 * 1.25ms) */
+#define SMP_SUPERVISION_TIMEOUT 500 /* 5 seconds (500 * 10ms) */
+
#ifndef FALSE
#define FALSE 0
#define TRUE (!FALSE)
@@ -696,6 +701,10 @@
invalid_key:
hcon->sec_req = FALSE;
+ /* Switch to Pairing Connection Parameters */
+ hci_le_conn_update(hcon, SMP_MIN_CONN_INTERVAL, SMP_MAX_CONN_INTERVAL,
+ SMP_MAX_CONN_LATENCY, SMP_SUPERVISION_TIMEOUT);
+
skb_pull(skb, sizeof(*rp));
memset(&cp, 0, sizeof(cp));
@@ -763,6 +772,11 @@
if (hcon->link_mode & HCI_LM_MASTER) {
struct smp_cmd_pairing cp;
+ /* Switch to Pairing Connection Parameters */
+ hci_le_conn_update(hcon, SMP_MIN_CONN_INTERVAL,
+ SMP_MAX_CONN_INTERVAL, SMP_MAX_CONN_LATENCY,
+ SMP_SUPERVISION_TIMEOUT);
+
build_pairing_cmd(conn, &cp, NULL, authreq);
hcon->preq[0] = SMP_CMD_PAIRING_REQ;
memcpy(&hcon->preq[1], &cp, sizeof(cp));