diff mbox series

[net-next,12/13] mlxsw: pci: Retrieve mirror reason from CQE during receive

Message ID 20200714142106.386354-13-idosch@idosch.org
State Accepted
Delegated to: David Miller
Headers show
Series mlxsw: Mirror to CPU preparations | expand

Commit Message

Ido Schimmel July 14, 2020, 2:21 p.m. UTC 
From: Ido Schimmel <idosch@mellanox.com>

In case the mirror reason is valid, retrieve it into the Rx information
so that it could be used during listener lookup in a later patch.

Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
---
 drivers/net/ethernet/mellanox/mlxsw/core.h | 1 +
 drivers/net/ethernet/mellanox/mlxsw/pci.c  | 6 +++++-
 2 files changed, 6 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/mellanox/mlxsw/core.h b/drivers/net/ethernet/mellanox/mlxsw/core.h
index 7d6b0a232789..c736b8673791 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/core.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/core.h
@@ -176,6 +176,7 @@  struct mlxsw_rx_info {
 		u16 lag_id;
 	} u;
 	u8 lag_port_index;
+	u8 mirror_reason;
 	int trap_id;
 };
 
diff --git a/drivers/net/ethernet/mellanox/mlxsw/pci.c b/drivers/net/ethernet/mellanox/mlxsw/pci.c
index c04ec1a92826..1c64b03ff48e 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/pci.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/pci.c
@@ -547,9 +547,9 @@  static void mlxsw_pci_cqe_rdq_handle(struct mlxsw_pci *mlxsw_pci,
 {
 	struct pci_dev *pdev = mlxsw_pci->pdev;
 	struct mlxsw_pci_queue_elem_info *elem_info;
+	struct mlxsw_rx_info rx_info = {};
 	char *wqe;
 	struct sk_buff *skb;
-	struct mlxsw_rx_info rx_info;
 	u16 byte_count;
 	int err;
 
@@ -582,6 +582,10 @@  static void mlxsw_pci_cqe_rdq_handle(struct mlxsw_pci *mlxsw_pci,
 		if (mlxsw_pci->max_cqe_ver >= MLXSW_PCI_CQE_V2)
 			cookie_index = mlxsw_pci_cqe2_user_def_val_orig_pkt_len_get(cqe);
 		mlxsw_skb_cb(skb)->cookie_index = cookie_index;
+	} else if (rx_info.trap_id >= MLXSW_TRAP_ID_MIRROR_SESSION0 &&
+		   rx_info.trap_id <= MLXSW_TRAP_ID_MIRROR_SESSION7 &&
+		   mlxsw_pci->max_cqe_ver >= MLXSW_PCI_CQE_V2) {
+		rx_info.mirror_reason = mlxsw_pci_cqe2_mirror_reason_get(cqe);
 	}
 
 	byte_count = mlxsw_pci_cqe_byte_count_get(cqe);