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65 lines
2.8 KiB
Diff
65 lines
2.8 KiB
Diff
From 551cd6add98fb3bde24ee8e4ffa76aec9fd9d40c Mon Sep 17 00:00:00 2001
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From: Bogdan Purcareata <bogdan.purcareata@nxp.com>
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Date: Mon, 2 Oct 2017 14:45:56 +0000
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Subject: [PATCH] dpaa2-eth: Add API for ceetm_id + tc in set congestion
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Signed-off-by: Bogdan Purcareata <bogdan.purcareata@nxp.com>
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---
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drivers/net/ethernet/freescale/dpaa2/dpni.c | 15 ++++++++++++---
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drivers/net/ethernet/freescale/dpaa2/dpni.h | 6 ++++++
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2 files changed, 18 insertions(+), 3 deletions(-)
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--- a/drivers/net/ethernet/freescale/dpaa2/dpni.c
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+++ b/drivers/net/ethernet/freescale/dpaa2/dpni.c
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@@ -1448,7 +1448,10 @@ int dpni_set_rx_tc_dist(struct fsl_mc_io
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* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
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* @token: Token of DPNI object
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* @qtype: Type of queue - Rx, Tx and Tx confirm types are supported
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- * @tc_id: Traffic class selection (0-7)
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+ * @tc_id: bits 7-4 contain ceetm channel index (valid only for TX);
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+ * bits 3-0 contain traffic class.
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+ * Use macro DPNI_BUILD_CH_TC() to build correct value for
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+ * tc_id parameter
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* @cfg: Congestion notification configuration
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*
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* Return: '0' on Success; error code otherwise.
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@@ -1674,7 +1677,10 @@ int dpni_reset_statistics(struct fsl_mc_
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* @cg_point: Congestion point
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* @q_type: Queue type on which the taildrop is configured.
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* Only Rx queues are supported for now
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- * @tc: Traffic class to apply this taildrop to
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+ * @tc: bits 7-4 contain ceetm channel index (valid only for TX);
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+ * bits 3-0 contain traffic class.
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+ * Use macro DPNI_BUILD_CH_TC() to build correct value for
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+ * tc parameter.
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* @q_index: Index of the queue if the DPNI supports multiple queues for
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* traffic distribution. Ignored if CONGESTION_POINT is not 0.
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* @taildrop: Taildrop structure
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@@ -1718,7 +1724,10 @@ int dpni_set_taildrop(struct fsl_mc_io *
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* @cg_point: Congestion point
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* @q_type: Queue type on which the taildrop is configured.
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* Only Rx queues are supported for now
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- * @tc: Traffic class to apply this taildrop to
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+ * @tc: bits 7-4 contain ceetm channel index (valid only for TX);
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+ * bits 3-0 contain traffic class.
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+ * Use macro DPNI_BUILD_CH_TC() to build correct value for
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+ * tc parameter.
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* @q_index: Index of the queue if the DPNI supports multiple queues for
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* traffic distribution. Ignored if CONGESTION_POINT is not 0.
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* @taildrop: Taildrop structure
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--- a/drivers/net/ethernet/freescale/dpaa2/dpni.h
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+++ b/drivers/net/ethernet/freescale/dpaa2/dpni.h
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@@ -996,6 +996,12 @@ struct dpni_congestion_notification_cfg
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u16 notification_mode;
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};
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+/** Compose TC parameter for function dpni_set_congestion_notification()
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+ * and dpni_get_congestion_notification().
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+ */
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+#define DPNI_BUILD_CH_TC(ceetm_ch_idx, tc) \
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+ ((((ceetm_ch_idx) & 0x0F) << 4) | ((tc) & 0x0F))
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+
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int dpni_set_congestion_notification(
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struct fsl_mc_io *mc_io,
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u32 cmd_flags,
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