netdev.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Ido Schimmel <idosch@idosch.org>
To: netdev@vger.kernel.org
Cc: davem@davemloft.net, kuba@kernel.org, jiri@mellanox.com,
	petrm@mellanox.com, mlxsw@mellanox.com,
	Ido Schimmel <idosch@mellanox.com>
Subject: [PATCH net-next 3/6] mlxsw: core: Add DSCP, ECN, dscp_rw to QOS_ACTION
Date: Thu, 26 Mar 2020 16:01:11 +0200	[thread overview]
Message-ID: <20200326140114.1393972-4-idosch@idosch.org> (raw)
In-Reply-To: <20200326140114.1393972-1-idosch@idosch.org>

From: Petr Machata <petrm@mellanox.com>

The QOS_ACTION is used for manipulating the QOS attributes of the packet.
Add the defines and helpers related to DSCP and ECN fields, and dscp_rw.

Signed-off-by: Petr Machata <petrm@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
---
 .../mellanox/mlxsw/core_acl_flex_actions.c    | 64 +++++++++++++++++++
 1 file changed, 64 insertions(+)

diff --git a/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.c b/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.c
index 1d0695050cfc..3ae0a91875ef 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.c
@@ -1248,6 +1248,43 @@ EXPORT_SYMBOL(mlxsw_afa_block_append_mirror);
 #define MLXSW_AFA_QOS_CODE 0x06
 #define MLXSW_AFA_QOS_SIZE 1
 
+enum mlxsw_afa_qos_ecn_cmd {
+	/* Do nothing */
+	MLXSW_AFA_QOS_ECN_CMD_NOP,
+	/* Set ECN to afa_qos_ecn */
+	MLXSW_AFA_QOS_ECN_CMD_SET,
+};
+
+/* afa_qos_ecn_cmd
+ */
+MLXSW_ITEM32(afa, qos, ecn_cmd, 0x04, 29, 3);
+
+/* afa_qos_ecn
+ * ECN value.
+ */
+MLXSW_ITEM32(afa, qos, ecn, 0x04, 24, 2);
+
+enum mlxsw_afa_qos_dscp_cmd {
+	/* Do nothing */
+	MLXSW_AFA_QOS_DSCP_CMD_NOP,
+	/* Set DSCP 3 LSB bits according to dscp[2:0] */
+	MLXSW_AFA_QOS_DSCP_CMD_SET_3LSB,
+	/* Set DSCP 3 MSB bits according to dscp[5:3] */
+	MLXSW_AFA_QOS_DSCP_CMD_SET_3MSB,
+	/* Set DSCP 6 bits according to dscp[5:0] */
+	MLXSW_AFA_QOS_DSCP_CMD_SET_ALL,
+};
+
+/* afa_qos_dscp_cmd
+ * DSCP command.
+ */
+MLXSW_ITEM32(afa, qos, dscp_cmd, 0x04, 14, 2);
+
+/* afa_qos_dscp
+ * DSCP value.
+ */
+MLXSW_ITEM32(afa, qos, dscp, 0x04, 0, 6);
+
 enum mlxsw_afa_qos_switch_prio_cmd {
 	/* Do nothing */
 	MLXSW_AFA_QOS_SWITCH_PRIO_CMD_NOP,
@@ -1264,6 +1301,33 @@ MLXSW_ITEM32(afa, qos, switch_prio_cmd, 0x08, 14, 2);
  */
 MLXSW_ITEM32(afa, qos, switch_prio, 0x08, 0, 4);
 
+enum mlxsw_afa_qos_dscp_rw {
+	MLXSW_AFA_QOS_DSCP_RW_PRESERVE,
+	MLXSW_AFA_QOS_DSCP_RW_SET,
+	MLXSW_AFA_QOS_DSCP_RW_CLEAR,
+};
+
+/* afa_qos_dscp_rw
+ * DSCP Re-write Enable. Controlling the rewrite_enable for DSCP.
+ */
+MLXSW_ITEM32(afa, qos, dscp_rw, 0x0C, 30, 2);
+
+static inline void
+mlxsw_afa_qos_ecn_pack(char *payload,
+		       enum mlxsw_afa_qos_ecn_cmd ecn_cmd, u8 ecn)
+{
+	mlxsw_afa_qos_ecn_cmd_set(payload, ecn_cmd);
+	mlxsw_afa_qos_ecn_set(payload, ecn);
+}
+
+static inline void
+mlxsw_afa_qos_dscp_pack(char *payload,
+			enum mlxsw_afa_qos_dscp_cmd dscp_cmd, u8 dscp)
+{
+	mlxsw_afa_qos_dscp_cmd_set(payload, dscp_cmd);
+	mlxsw_afa_qos_dscp_set(payload, dscp);
+}
+
 static inline void
 mlxsw_afa_qos_switch_prio_pack(char *payload,
 			       enum mlxsw_afa_qos_switch_prio_cmd prio_cmd,
-- 
2.24.1


  parent reply	other threads:[~2020-03-26 14:01 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-26 14:01 [PATCH net-next 0/6] mlxsw: Offload TC action pedit munge dsfield Ido Schimmel
2020-03-26 14:01 ` [PATCH net-next 1/6] net: flow_offload.h: Fix a comment at flow_action_entry.mangle Ido Schimmel
2020-03-26 14:01 ` [PATCH net-next 2/6] mlxsw: core: Rename mlxsw_afa_qos_cmd to mlxsw_afa_qos_switch_prio_cmd Ido Schimmel
2020-03-26 14:01 ` Ido Schimmel [this message]
2020-03-26 14:01 ` [PATCH net-next 4/6] mlxsw: spectrum_flower: Offload FLOW_ACTION_MANGLE Ido Schimmel
2020-03-26 14:01 ` [PATCH net-next 5/6] selftests: forwarding: Add a forwarding test for pedit munge dsfield Ido Schimmel
2020-03-26 14:01 ` [PATCH net-next 6/6] selftests: mlxsw: qos_dscp_router: Test no DSCP rewrite after pedit Ido Schimmel
2020-03-26 18:55 ` [PATCH net-next 0/6] mlxsw: Offload TC action pedit munge dsfield David Miller

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20200326140114.1393972-4-idosch@idosch.org \
    --to=idosch@idosch.org \
    --cc=davem@davemloft.net \
    --cc=idosch@mellanox.com \
    --cc=jiri@mellanox.com \
    --cc=kuba@kernel.org \
    --cc=mlxsw@mellanox.com \
    --cc=netdev@vger.kernel.org \
    --cc=petrm@mellanox.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).