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authorMaor Gottlieb <maorg@mellanox.com>2017-05-30 10:29:11 +0300
committerDoug Ledford <dledford@redhat.com>2017-07-24 17:34:28 +0300
commitc1e0bfc1312d0e06bdb24e6e4e7e10b0b4313ec6 (patch)
tree3bb0dbd385118bcc6cb1ef4157fc0f29e57cf9d3 /include/linux/mlx5
parent7d9336d80b0b35d3537d37ff35e08dcb425073ed (diff)
downloadlinux-c1e0bfc1312d0e06bdb24e6e4e7e10b0b4313ec6.tar.xz
net/mlx5: Introduce set delay drop command
Add support to SET_DELAY_DROP command. This command will be used in downstream patches for delay packet drop. The timeout value should be indicated by delay_drop_timeout field. Packet processing will be delayed till timeout value passed or until more WQEs are posted. Setting this value to 0 disables the feature. Signed-off-by: Maor Gottlieb <maorg@mellanox.com> Reviewed-by: Yishai Hadas <yishaih@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'include/linux/mlx5')
-rw-r--r--include/linux/mlx5/mlx5_ifc.h25
-rw-r--r--include/linux/mlx5/qp.h3
2 files changed, 27 insertions, 1 deletions
diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index 3e697f672de5..40c05d29d5bb 100644
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -200,6 +200,7 @@ enum {
MLX5_CMD_OP_QUERY_SQ = 0x907,
MLX5_CMD_OP_CREATE_RQ = 0x908,
MLX5_CMD_OP_MODIFY_RQ = 0x909,
+ MLX5_CMD_OP_SET_DELAY_DROP_PARAMS = 0x910,
MLX5_CMD_OP_DESTROY_RQ = 0x90a,
MLX5_CMD_OP_QUERY_RQ = 0x90b,
MLX5_CMD_OP_CREATE_RMP = 0x90c,
@@ -840,7 +841,7 @@ struct mlx5_ifc_cmd_hca_cap_bits {
u8 retransmission_q_counters[0x1];
u8 reserved_at_183[0x1];
u8 modify_rq_counter_set_id[0x1];
- u8 reserved_at_185[0x1];
+ u8 rq_delay_drop[0x1];
u8 max_qp_cnt[0xa];
u8 pkey_table_size[0x10];
@@ -5853,6 +5854,28 @@ struct mlx5_ifc_destroy_rq_in_bits {
u8 reserved_at_60[0x20];
};
+struct mlx5_ifc_set_delay_drop_params_in_bits {
+ u8 opcode[0x10];
+ u8 reserved_at_10[0x10];
+
+ u8 reserved_at_20[0x10];
+ u8 op_mod[0x10];
+
+ u8 reserved_at_40[0x20];
+
+ u8 reserved_at_60[0x10];
+ u8 delay_drop_timeout[0x10];
+};
+
+struct mlx5_ifc_set_delay_drop_params_out_bits {
+ u8 status[0x8];
+ u8 reserved_at_8[0x18];
+
+ u8 syndrome[0x20];
+
+ u8 reserved_at_40[0x40];
+};
+
struct mlx5_ifc_destroy_rmp_out_bits {
u8 status[0x8];
u8 reserved_at_8[0x18];
diff --git a/include/linux/mlx5/qp.h b/include/linux/mlx5/qp.h
index 6f41270d80c0..fff4ec13f620 100644
--- a/include/linux/mlx5/qp.h
+++ b/include/linux/mlx5/qp.h
@@ -561,6 +561,9 @@ int mlx5_core_destroy_qp(struct mlx5_core_dev *dev,
int mlx5_core_qp_query(struct mlx5_core_dev *dev, struct mlx5_core_qp *qp,
u32 *out, int outlen);
+int mlx5_core_set_delay_drop(struct mlx5_core_dev *dev,
+ u32 timeout_usec);
+
int mlx5_core_xrcd_alloc(struct mlx5_core_dev *dev, u32 *xrcdn);
int mlx5_core_xrcd_dealloc(struct mlx5_core_dev *dev, u32 xrcdn);
void mlx5_init_qp_table(struct mlx5_core_dev *dev);