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mlxsw: pci: Retrieve mirror reason from CQE during receive

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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>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ido Schimmel 2020-07-14 17:21:05 +03:00 committed by David S. Miller
parent a76423a144
commit eacc86ec51
2 changed files with 6 additions and 1 deletions
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1
drivers/net/ethernet/mellanox/mlxsw/core.h
View file

@ -176,6 +176,7 @@ struct mlxsw_rx_info {
u16 lag_id;
} u;
u8 lag_port_index;
u8 mirror_reason;
int trap_id;
};

6
drivers/net/ethernet/mellanox/mlxsw/pci.c
View file

@ -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);