net/mlx4_en: Add DCB PFC support through CEE netlink commands

This patch adds support for reading and updating priority flow
control (PFC) attributes in the driver via netlink.

Signed-off-by: Rana Shahout <ranas@mellanox.com>
Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Eugenia Emantayev <eugenia@mellanox.com>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h
index 80dec87a94f8..4dbc1450bbe0 100644
--- a/include/linux/mlx4/device.h
+++ b/include/linux/mlx4/device.h
@@ -535,6 +535,7 @@ struct mlx4_caps {
         int                     max_rq_desc_sz;
         int                     max_qp_init_rdma;
         int                     max_qp_dest_rdma;
+        int                     max_tc_eth;
         u32                     *qp0_qkey;
         u32                     *qp0_proxy;
         u32                     *qp1_proxy;
@@ -1494,6 +1495,7 @@ int mlx4_mr_rereg_mem_write(struct mlx4_dev *dev, struct mlx4_mr *mr,
 
 int mlx4_get_module_info(struct mlx4_dev *dev, u8 port,
                          u16 offset, u16 size, u8 *data);
+int mlx4_max_tc(struct mlx4_dev *dev);
 
 /* Returns true if running in low memory profile (kdump kernel) */
 static inline bool mlx4_low_memory_profile(void)