diff mbox series

[net-next] octeontx2-pf: Add support for offload tc with skbedit mark action

Message ID 20240105120247.14975-1-gakula@marvell.com (mailing list archive)
State Deferred
Delegated to: Netdev Maintainers
Headers show
Series [net-next] octeontx2-pf: Add support for offload tc with skbedit mark action | expand

Checks

Context Check Description
netdev/series_format success Single patches do not need cover letters
netdev/tree_selection success Clearly marked for net-next
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 8 this patch: 8
netdev/cc_maintainers success CCed 0 of 0 maintainers
netdev/build_clang success Errors and warnings before: 1140 this patch: 1140
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 1153 this patch: 1153
netdev/checkpatch warning WARNING: line length of 99 exceeds 80 columns
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Geetha sowjanya Jan. 5, 2024, 12:02 p.m. UTC
Support offloading of skbedit mark action.

For example, to mark with 0x0008, with dest ip 60.60.60.2 on eth2
interface:

 # tc qdisc add dev eth2 ingress
 # tc filter add dev eth2 ingress protocol ip flower \
      dst_ip 60.60.60.2 action skbedit mark 0x0008 skip_sw

Signed-off-by: Geetha sowjanya <gakula@marvell.com>
---
 .../net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c  |  2 ++
 .../ethernet/marvell/octeontx2/nic/otx2_common.h    |  2 ++
 .../net/ethernet/marvell/octeontx2/nic/otx2_tc.c    | 13 +++++++++++++
 .../net/ethernet/marvell/octeontx2/nic/otx2_txrx.c  |  3 +++
 .../net/ethernet/marvell/octeontx2/nic/otx2_txrx.h  |  3 +++
 5 files changed, 23 insertions(+)

Comments

Jakub Kicinski Jan. 9, 2024, 3:20 a.m. UTC | #1
On Fri, 5 Jan 2024 17:32:47 +0530 Geetha sowjanya wrote:
> Support offloading of skbedit mark action.
> 
> For example, to mark with 0x0008, with dest ip 60.60.60.2 on eth2
> interface:
> 
>  # tc qdisc add dev eth2 ingress
>  # tc filter add dev eth2 ingress protocol ip flower \
>       dst_ip 60.60.60.2 action skbedit mark 0x0008 skip_sw

We didn't get to this patch in time for v6.8 merge window, sorry.
Please repost in two weeks when net-next reopens for v6.9.
diff mbox series

Patch

diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c
index c75669c8fde7..6188921e9a20 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c
@@ -1183,6 +1183,8 @@  static int npc_update_rx_entry(struct rvu *rvu, struct rvu_pfvf *pfvf,
 			action.pf_func = target;
 			action.op = NIX_RX_ACTIONOP_UCAST;
 		}
+		if (req->match_id)
+			action.match_id = req->match_id;
 	}
 
 	entry->action = *(u64 *)&action;
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h
index 06910307085e..815ae13c371c 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h
@@ -363,6 +363,7 @@  struct otx2_flow_config {
 	struct list_head	flow_list;
 	u32			dmacflt_max_flows;
 	u16                     max_flows;
+	u16			mark_flows;
 	struct list_head	flow_list_tc;
 	bool			ntuple;
 };
@@ -465,6 +466,7 @@  struct otx2_nic {
 #define OTX2_FLAG_DMACFLTR_SUPPORT		BIT_ULL(14)
 #define OTX2_FLAG_PTP_ONESTEP_SYNC		BIT_ULL(15)
 #define OTX2_FLAG_ADPTV_INT_COAL_ENABLED BIT_ULL(16)
+#define OTX2_FLAG_TC_MARK_ENABLED		BIT_ULL(17)
 	u64			flags;
 	u64			*cq_op_addr;
 
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_tc.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_tc.c
index 4fd44b6eecea..fd1d78601811 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_tc.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_tc.c
@@ -511,7 +511,15 @@  static int otx2_tc_parse_actions(struct otx2_nic *nic,
 			nr_police++;
 			break;
 		case FLOW_ACTION_MARK:
+			if (act->mark & ~OTX2_RX_MATCH_ID_MASK) {
+				NL_SET_ERR_MSG_MOD(extack, "Bad flow mark, only 16 bit supported");
+				return -EOPNOTSUPP;
+			}
 			mark = act->mark;
+			req->match_id = mark & 0xFFFFULL;
+			req->op = NIX_RX_ACTION_DEFAULT;
+			nic->flags |= OTX2_FLAG_TC_MARK_ENABLED;
+			nic->flow_cfg->mark_flows++;
 			break;
 
 		case FLOW_ACTION_RX_QUEUE_MAPPING:
@@ -1173,6 +1181,11 @@  static int otx2_tc_del_flow(struct otx2_nic *nic,
 		return -EINVAL;
 	}
 
+	/* Disable TC MARK flag if they are no rules with skbedit mark action */
+	if (flow_node->req.match_id)
+		if (!(--flow_cfg->mark_flows))
+			nic->flags &= ~OTX2_FLAG_TC_MARK_ENABLED;
+
 	if (flow_node->is_act_police) {
 		__clear_bit(flow_node->rq, &nic->rq_bmap);
 
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c
index 4d519ea833b2..d3c9759c9f06 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c
@@ -380,6 +380,9 @@  static void otx2_rcv_pkt_handler(struct otx2_nic *pfvf,
 	if (pfvf->netdev->features & NETIF_F_RXCSUM)
 		skb->ip_summed = CHECKSUM_UNNECESSARY;
 
+	if (pfvf->flags & OTX2_FLAG_TC_MARK_ENABLED)
+		skb->mark = parse->match_id;
+
 	skb_mark_for_recycle(skb);
 
 	napi_gro_frags(napi);
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.h b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.h
index a82ffca8ce1b..3f1d2655ff77 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.h
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.h
@@ -62,6 +62,9 @@ 
 #define CQ_OP_STAT_OP_ERR       63
 #define CQ_OP_STAT_CQ_ERR       46
 
+/* Packet mark mask */
+#define OTX2_RX_MATCH_ID_MASK 0x0000ffff
+
 struct queue_stats {
 	u64	bytes;
 	u64	pkts;