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net/mlx5: E-Switch, Consider ECPF vport depends on eswitch ownership

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ECPF connects to the eswitch through vport 0xfffe. ECPF may or may
not be the eswitch manager depending on firmware configuration.

1. If ECPF is eswitch manager: ECPF will take over the eswitch manager
   responsibility. A rep of the host PF shall be created at the ECPF
   side for the eswitch manager to control.

2. If ECPF is not eswitch manager: host PF will be the eswitch manager,
   ECPF acts similar as a VF to the host PF. Host PF will be aware
   of the ECPF vport presence and control it's rep.

Signed-off-by: Bodong Wang <bodong@mellanox.com>
Reviewed-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Bodong Wang
2018-12-10 11:59:33 -06:00
committed by Saeed Mahameed
parent 5ae5162066
commit 81cd229c29
6 changed files with 110 additions and 8 deletions
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include/linux/mlx5/mlx5_ifc.h
+2 -1
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@@ -631,7 +631,8 @@ struct mlx5_ifc_e_switch_cap_bits {
u8 vport_svlan_insert[0x1];
u8 vport_cvlan_insert_if_not_exist[0x1];
u8 vport_cvlan_insert_overwrite[0x1];
u8 reserved_at_5[0x17];
u8 reserved_at_5[0x16];
u8 ecpf_vport_exists[0x1];
u8 counter_eswitch_affinity[0x1];
u8 merged_eswitch[0x1];
u8 nic_vport_node_guid_modify[0x1];