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authorOz Shlomo2018-12-10 22:15:13 +0100
committerSaeed Mahameed2018-12-10 23:00:08 +0100
commit5886a96ad19dacebe6c4f7f8c001d489b06125dc (patch)
tree6b15d26d0a5c29153a511975f31a24a6c87555aa
parentnet/mlx5: Add monitor commands layout and event data (diff)
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net/mlx5: Revise gre and nvgre key formats
GRE RFC defines a 32 bit key field. NVGRE RFC splits the 32 bit key field to 24 bit VSID (gre_key_h) and 8 bit flow entropy (gre_key_l). Define the two key parsing alternatives in a union, thus enabling both access methods. Signed-off-by: Oz Shlomo <ozsh@mellanox.com> Reviewed-by: Eli Britstein <elibr@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
-rw-r--r--drivers/infiniband/hw/mlx5/main.c4
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/diag/fs_tracepoint.c8
-rw-r--r--include/linux/mlx5/mlx5_ifc.h13
3 files changed, 17 insertions, 8 deletions
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 96515a8c9d2c..2560996fce79 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -2680,11 +2680,11 @@ static int parse_flow_attr(struct mlx5_core_dev *mdev, u32 *match_c,
ntohs(ib_spec->gre.val.protocol));
memcpy(MLX5_ADDR_OF(fte_match_set_misc, misc_params_c,
- gre_key_h),
+ gre_key.nvgre.hi),
&ib_spec->gre.mask.key,
sizeof(ib_spec->gre.mask.key));
memcpy(MLX5_ADDR_OF(fte_match_set_misc, misc_params_v,
- gre_key_h),
+ gre_key.nvgre.hi),
&ib_spec->gre.val.key,
sizeof(ib_spec->gre.val.key));
break;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/diag/fs_tracepoint.c b/drivers/net/ethernet/mellanox/mlx5/core/diag/fs_tracepoint.c
index 0f11fff32a9b..424457ff9759 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/diag/fs_tracepoint.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/diag/fs_tracepoint.c
@@ -161,10 +161,10 @@ static void print_misc_parameters_hdrs(struct trace_seq *p,
PRINT_MASKED_VAL(name, p, format); \
}
DECLARE_MASK_VAL(u64, gre_key) = {
- .m = MLX5_GET(fte_match_set_misc, mask, gre_key_h) << 8 |
- MLX5_GET(fte_match_set_misc, mask, gre_key_l),
- .v = MLX5_GET(fte_match_set_misc, value, gre_key_h) << 8 |
- MLX5_GET(fte_match_set_misc, value, gre_key_l)};
+ .m = MLX5_GET(fte_match_set_misc, mask, gre_key.nvgre.hi) << 8 |
+ MLX5_GET(fte_match_set_misc, mask, gre_key.nvgre.lo),
+ .v = MLX5_GET(fte_match_set_misc, value, gre_key.nvgre.hi) << 8 |
+ MLX5_GET(fte_match_set_misc, value, gre_key.nvgre.lo)};
PRINT_MASKED_VAL(gre_key, p, "%llu");
PRINT_MASKED_VAL_MISC(u32, source_sqn, source_sqn, p, "%u");
diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index 9f7cc26bfb3b..688a549e74f1 100644
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -423,6 +423,16 @@ struct mlx5_ifc_fte_match_set_lyr_2_4_bits {
union mlx5_ifc_ipv6_layout_ipv4_layout_auto_bits dst_ipv4_dst_ipv6;
};
+struct mlx5_ifc_nvgre_key_bits {
+ u8 hi[0x18];
+ u8 lo[0x8];
+};
+
+union mlx5_ifc_gre_key_bits {
+ struct mlx5_ifc_nvgre_key_bits nvgre;
+ u8 key[0x20];
+};
+
struct mlx5_ifc_fte_match_set_misc_bits {
u8 reserved_at_0[0x8];
u8 source_sqn[0x18];
@@ -444,8 +454,7 @@ struct mlx5_ifc_fte_match_set_misc_bits {
u8 reserved_at_64[0xc];
u8 gre_protocol[0x10];
- u8 gre_key_h[0x18];
- u8 gre_key_l[0x8];
+ union mlx5_ifc_gre_key_bits gre_key;
u8 vxlan_vni[0x18];
u8 reserved_at_b8[0x8];