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net/mlx5e: Vxlan, check maximum number of UDP ports

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The NIC has a limited number of offloaded VXLAN UDP ports (usually 4).
Instead of letting the firmware fail when trying to add more ports than
it can handle, let the driver check it on its own.

Signed-off-by: Gal Pressman <galp@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Gal Pressman
2017-12-25 18:40:52 +02:00
committed by Saeed Mahameed
parent a082c4f4f0
commit 22a65aa8b1
3 changed files with 18 additions and 1 deletions
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4
include/linux/mlx5/mlx5_ifc.h
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@@ -668,7 +668,9 @@ struct mlx5_ifc_per_protocol_networking_offload_caps_bits {
u8 swp[0x1];
u8 swp_csum[0x1];
u8 swp_lso[0x1];
u8 reserved_at_23[0x1b];
u8 reserved_at_23[0xd];
u8 max_vxlan_udp_ports[0x8];
u8 reserved_at_38[0x6];
u8 max_geneve_opt_len[0x1];
u8 tunnel_stateless_geneve_rx[0x1];