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virtchnl: Add virtchl structures to support queue channels

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This patch defines new structs in support of the virtchannel message
that the VF sends to the PF to create a queue channel specified by the
user via tc tool.

Signed-off-by: Harshitha Ramamurthy <harshitha.ramamurthy@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Harshitha Ramamurthy 2018-01-23 08:50:56 -08:00 committed by Jeff Kirsher
parent 836ce5ed72
commit eb09f1feb8
1 changed files with 40 additions and 0 deletions
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40
include/linux/avf/virtchnl.h
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@ -136,6 +136,8 @@ enum virtchnl_ops {
VIRTCHNL_OP_ENABLE_VLAN_STRIPPING = 27,
VIRTCHNL_OP_DISABLE_VLAN_STRIPPING = 28,
VIRTCHNL_OP_REQUEST_QUEUES = 29,
VIRTCHNL_OP_ENABLE_CHANNELS = 30,
VIRTCHNL_OP_DISABLE_CHANNELS = 31,
};
/* This macro is used to generate a compilation error if a structure
@ -244,6 +246,7 @@ VIRTCHNL_CHECK_STRUCT_LEN(16, virtchnl_vsi_resource);
#define VIRTCHNL_VF_OFFLOAD_ENCAP 0X00100000
#define VIRTCHNL_VF_OFFLOAD_ENCAP_CSUM 0X00200000
#define VIRTCHNL_VF_OFFLOAD_RX_ENCAP_CSUM 0X00400000
#define VIRTCHNL_VF_OFFLOAD_ADQ 0X00800000
#define VF_BASE_MODE_OFFLOADS (VIRTCHNL_VF_OFFLOAD_L2 | \
VIRTCHNL_VF_OFFLOAD_VLAN | \
@ -496,6 +499,30 @@ struct virtchnl_rss_hena {
VIRTCHNL_CHECK_STRUCT_LEN(8, virtchnl_rss_hena);
/* VIRTCHNL_OP_ENABLE_CHANNELS
* VIRTCHNL_OP_DISABLE_CHANNELS
* VF sends these messages to enable or disable channels based on
* the user specified queue count and queue offset for each traffic class.
* This struct encompasses all the information that the PF needs from
* VF to create a channel.
*/
struct virtchnl_channel_info {
u16 count; /* number of queues in a channel */
u16 offset; /* queues in a channel start from 'offset' */
u32 pad;
u64 max_tx_rate;
};
VIRTCHNL_CHECK_STRUCT_LEN(16, virtchnl_channel_info);
struct virtchnl_tc_info {
u32 num_tc;
u32 pad;
struct virtchnl_channel_info list[1];
};
VIRTCHNL_CHECK_STRUCT_LEN(24, virtchnl_tc_info);
/* VIRTCHNL_OP_EVENT
* PF sends this message to inform the VF driver of events that may affect it.
* No direct response is expected from the VF, though it may generate other
@ -711,6 +738,19 @@ virtchnl_vc_validate_vf_msg(struct virtchnl_version_info *ver, u32 v_opcode,
case VIRTCHNL_OP_REQUEST_QUEUES:
valid_len = sizeof(struct virtchnl_vf_res_request);
break;
case VIRTCHNL_OP_ENABLE_CHANNELS:
valid_len = sizeof(struct virtchnl_tc_info);
if (msglen >= valid_len) {
struct virtchnl_tc_info *vti =
(struct virtchnl_tc_info *)msg;
valid_len += vti->num_tc *
sizeof(struct virtchnl_channel_info);
if (vti->num_tc == 0)
err_msg_format = true;
}
break;
case VIRTCHNL_OP_DISABLE_CHANNELS:
break;
/* These are always errors coming from the VF. */
case VIRTCHNL_OP_EVENT:
case VIRTCHNL_OP_UNKNOWN: