Commit eacc86ec authored by Ido Schimmel's avatar Ido Schimmel Committed by David S. Miller
Browse files

mlxsw: pci: Retrieve mirror reason from CQE during receive 



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: default avatarJiri Pirko <jiri@mellanox.com>
Signed-off-by: default avatarPetr Machata <petrm@mellanox.com>
Signed-off-by: default avatarIdo Schimmel <idosch@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent a76423a1

drivers/net/ethernet/mellanox/mlxsw/core.h

+1 −0
Original line number Diff line number Diff line
@@ -176,6 +176,7 @@ struct mlxsw_rx_info { 
		u16 lag_id;

	} u;

	u8 lag_port_index;

	u8 mirror_reason;

	int trap_id;

};

drivers/net/ethernet/mellanox/mlxsw/pci.c

+5 −1
Original line number Diff line number Diff line
@@ -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);

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