1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
From 551cd6add98fb3bde24ee8e4ffa76aec9fd9d40c Mon Sep 17 00:00:00 2001
From: Bogdan Purcareata <bogdan.purcareata@nxp.com>
Date: Mon, 2 Oct 2017 14:45:56 +0000
Subject: [PATCH] dpaa2-eth: Add API for ceetm_id + tc in set congestion
Signed-off-by: Bogdan Purcareata <bogdan.purcareata@nxp.com>
---
drivers/net/ethernet/freescale/dpaa2/dpni.c | 15 ++++++++++++---
drivers/net/ethernet/freescale/dpaa2/dpni.h | 6 ++++++
2 files changed, 18 insertions(+), 3 deletions(-)
--- a/drivers/net/ethernet/freescale/dpaa2/dpni.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpni.c
@@ -1448,7 +1448,10 @@ int dpni_set_rx_tc_dist(struct fsl_mc_io
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
* @token: Token of DPNI object
* @qtype: Type of queue - Rx, Tx and Tx confirm types are supported
- * @tc_id: Traffic class selection (0-7)
+ * @tc_id: bits 7-4 contain ceetm channel index (valid only for TX);
+ * bits 3-0 contain traffic class.
+ * Use macro DPNI_BUILD_CH_TC() to build correct value for
+ * tc_id parameter
* @cfg: Congestion notification configuration
*
* Return: '0' on Success; error code otherwise.
@@ -1674,7 +1677,10 @@ int dpni_reset_statistics(struct fsl_mc_
* @cg_point: Congestion point
* @q_type: Queue type on which the taildrop is configured.
* Only Rx queues are supported for now
- * @tc: Traffic class to apply this taildrop to
+ * @tc: bits 7-4 contain ceetm channel index (valid only for TX);
+ * bits 3-0 contain traffic class.
+ * Use macro DPNI_BUILD_CH_TC() to build correct value for
+ * tc parameter.
* @q_index: Index of the queue if the DPNI supports multiple queues for
* traffic distribution. Ignored if CONGESTION_POINT is not 0.
* @taildrop: Taildrop structure
@@ -1718,7 +1724,10 @@ int dpni_set_taildrop(struct fsl_mc_io *
* @cg_point: Congestion point
* @q_type: Queue type on which the taildrop is configured.
* Only Rx queues are supported for now
- * @tc: Traffic class to apply this taildrop to
+ * @tc: bits 7-4 contain ceetm channel index (valid only for TX);
+ * bits 3-0 contain traffic class.
+ * Use macro DPNI_BUILD_CH_TC() to build correct value for
+ * tc parameter.
* @q_index: Index of the queue if the DPNI supports multiple queues for
* traffic distribution. Ignored if CONGESTION_POINT is not 0.
* @taildrop: Taildrop structure
--- a/drivers/net/ethernet/freescale/dpaa2/dpni.h
+++ b/drivers/net/ethernet/freescale/dpaa2/dpni.h
@@ -996,6 +996,12 @@ struct dpni_congestion_notification_cfg
u16 notification_mode;
};
+/** Compose TC parameter for function dpni_set_congestion_notification()
+ * and dpni_get_congestion_notification().
+ */
+#define DPNI_BUILD_CH_TC(ceetm_ch_idx, tc) \
+ ((((ceetm_ch_idx) & 0x0F) << 4) | ((tc) & 0x0F))
+
int dpni_set_congestion_notification(
struct fsl_mc_io *mc_io,
u32 cmd_flags,
|
