static void tb_tunnel_dp(struct tb *tb)
{
- int available_up, available_down, ret;
+ int available_up, available_down, ret, link_nr;
struct tb_cm *tcm = tb_priv(tb);
struct tb_port *port, *in, *out;
struct tb_tunnel *tunnel;
}
/*
+ * This is only applicable to links that are not bonded (so
+ * when Thunderbolt 1 hardware is involved somewhere in the
+ * topology). For these try to share the DP bandwidth between
+ * the two lanes.
+ */
+ link_nr = 1;
+ list_for_each_entry(tunnel, &tcm->tunnel_list, list) {
+ if (tb_tunnel_is_dp(tunnel)) {
+ link_nr = 0;
+ break;
+ }
+ }
+
+ /*
* DP stream needs the domain to be active so runtime resume
* both ends of the tunnel.
*
tb_dbg(tb, "available bandwidth for new DP tunnel %u/%u Mb/s\n",
available_up, available_down);
- tunnel = tb_tunnel_alloc_dp(tb, in, out, available_up, available_down);
+ tunnel = tb_tunnel_alloc_dp(tb, in, out, link_nr, available_up,
+ available_down);
if (!tunnel) {
tb_port_dbg(out, "could not allocate DP tunnel\n");
goto err_reclaim;
in = &host->ports[5];
out = &dev->ports[13];
- tunnel = tb_tunnel_alloc_dp(NULL, in, out, 0, 0);
+ tunnel = tb_tunnel_alloc_dp(NULL, in, out, 1, 0, 0);
KUNIT_ASSERT_TRUE(test, tunnel != NULL);
KUNIT_EXPECT_EQ(test, tunnel->type, TB_TUNNEL_DP);
KUNIT_EXPECT_PTR_EQ(test, tunnel->src_port, in);
in = &host->ports[5];
out = &dev4->ports[14];
- tunnel = tb_tunnel_alloc_dp(NULL, in, out, 0, 0);
+ tunnel = tb_tunnel_alloc_dp(NULL, in, out, 1, 0, 0);
KUNIT_ASSERT_TRUE(test, tunnel != NULL);
KUNIT_EXPECT_EQ(test, tunnel->type, TB_TUNNEL_DP);
KUNIT_EXPECT_PTR_EQ(test, tunnel->src_port, in);
in = &dev2->ports[13];
out = &dev5->ports[13];
- tunnel = tb_tunnel_alloc_dp(NULL, in, out, 0, 0);
+ tunnel = tb_tunnel_alloc_dp(NULL, in, out, 1, 0, 0);
KUNIT_ASSERT_TRUE(test, tunnel != NULL);
KUNIT_EXPECT_EQ(test, tunnel->type, TB_TUNNEL_DP);
KUNIT_EXPECT_PTR_EQ(test, tunnel->src_port, in);
in = &dev6->ports[13];
out = &dev12->ports[13];
- tunnel = tb_tunnel_alloc_dp(NULL, in, out, 0, 0);
+ tunnel = tb_tunnel_alloc_dp(NULL, in, out, 1, 0, 0);
KUNIT_ASSERT_TRUE(test, tunnel != NULL);
KUNIT_EXPECT_EQ(test, tunnel->type, TB_TUNNEL_DP);
KUNIT_EXPECT_PTR_EQ(test, tunnel->src_port, in);
in = &dev2->ports[13];
out = &dev5->ports[13];
- dp_tunnel = tb_tunnel_alloc_dp(NULL, in, out, 0, 0);
+ dp_tunnel = tb_tunnel_alloc_dp(NULL, in, out, 1, 0, 0);
KUNIT_ASSERT_TRUE(test, dp_tunnel != NULL);
KUNIT_EXPECT_TRUE(test, tb_tunnel_port_on_path(dp_tunnel, in));
in = &host->ports[5];
out = &dev->ports[14];
- tunnel = tb_tunnel_alloc_dp(NULL, in, out, 0, 0);
+ tunnel = tb_tunnel_alloc_dp(NULL, in, out, 1, 0, 0);
KUNIT_ASSERT_TRUE(test, tunnel != NULL);
KUNIT_ASSERT_EQ(test, tunnel->npaths, (size_t)3);
in = &host->ports[5];
out = &dev->ports[13];
- dp_tunnel1 = tb_tunnel_alloc_dp(NULL, in, out, 0, 0);
+ dp_tunnel1 = tb_tunnel_alloc_dp(NULL, in, out, 1, 0, 0);
KUNIT_ASSERT_TRUE(test, dp_tunnel1 != NULL);
KUNIT_ASSERT_EQ(test, dp_tunnel1->npaths, (size_t)3);
in = &host->ports[6];
out = &dev->ports[14];
- dp_tunnel2 = tb_tunnel_alloc_dp(NULL, in, out, 0, 0);
+ dp_tunnel2 = tb_tunnel_alloc_dp(NULL, in, out, 1, 0, 0);
KUNIT_ASSERT_TRUE(test, dp_tunnel2 != NULL);
KUNIT_ASSERT_EQ(test, dp_tunnel2->npaths, (size_t)3);
* @tb: Pointer to the domain structure
* @in: DP in adapter port
* @out: DP out adapter port
+ * @link_nr: Preferred lane adapter when the link is not bonded
* @max_up: Maximum available upstream bandwidth for the DP tunnel (%0
* if not limited)
* @max_down: Maximum available downstream bandwidth for the DP tunnel
* Return: Returns a tb_tunnel on success or NULL on failure.
*/
struct tb_tunnel *tb_tunnel_alloc_dp(struct tb *tb, struct tb_port *in,
- struct tb_port *out, int max_up,
- int max_down)
+ struct tb_port *out, int link_nr,
+ int max_up, int max_down)
{
struct tb_tunnel *tunnel;
struct tb_path **paths;
paths = tunnel->paths;
path = tb_path_alloc(tb, in, TB_DP_VIDEO_HOPID, out, TB_DP_VIDEO_HOPID,
- 1, "Video");
+ link_nr, "Video");
if (!path)
goto err_free;
tb_dp_init_video_path(path);
paths[TB_DP_VIDEO_PATH_OUT] = path;
path = tb_path_alloc(tb, in, TB_DP_AUX_TX_HOPID, out,
- TB_DP_AUX_TX_HOPID, 1, "AUX TX");
+ TB_DP_AUX_TX_HOPID, link_nr, "AUX TX");
if (!path)
goto err_free;
tb_dp_init_aux_path(path);
paths[TB_DP_AUX_PATH_OUT] = path;
path = tb_path_alloc(tb, out, TB_DP_AUX_RX_HOPID, in,
- TB_DP_AUX_RX_HOPID, 1, "AUX RX");
+ TB_DP_AUX_RX_HOPID, link_nr, "AUX RX");
if (!path)
goto err_free;
tb_dp_init_aux_path(path);