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i40e/virtchnl: move function to virtchnl
This moves a function that is needed for the virtchnl interface from the i40e PF driver over to the virtchnl.h file. It was manually verified that the function in question is unchanged except for the function name and function header, which explains the slight difference in the number of lines removed/added. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@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:
Jesse Brandeburg
Jeff Kirsher
parent
ff3f4cc267
commit
735e35c56b
@ -2531,154 +2531,6 @@ err:
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return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_SET_RSS_HENA, aq_ret);
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return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_SET_RSS_HENA, aq_ret);
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}
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}
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/**
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* i40e_vc_validate_vf_msg
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* @ver: Virtchnl version info
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* @v_opcode: Opcode for the message
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* @msg: pointer to the msg buffer
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* @msglen: msg length
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*
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* validate msg format against struct for each opcode
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**/
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static int
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i40e_vc_validate_vf_msg(struct virtchnl_version_info *ver, u32 v_opcode,
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u8 *msg, u16 msglen)
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{
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bool err_msg_format = false;
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int valid_len = 0;
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/* Validate message length. */
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switch (v_opcode) {
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case VIRTCHNL_OP_VERSION:
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valid_len = sizeof(struct virtchnl_version_info);
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break;
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case VIRTCHNL_OP_RESET_VF:
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break;
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case VIRTCHNL_OP_GET_VF_RESOURCES:
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if (VF_IS_V11(ver))
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valid_len = sizeof(u32);
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break;
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case VIRTCHNL_OP_CONFIG_TX_QUEUE:
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valid_len = sizeof(struct virtchnl_txq_info);
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break;
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case VIRTCHNL_OP_CONFIG_RX_QUEUE:
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valid_len = sizeof(struct virtchnl_rxq_info);
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break;
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case VIRTCHNL_OP_CONFIG_VSI_QUEUES:
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valid_len = sizeof(struct virtchnl_vsi_queue_config_info);
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if (msglen >= valid_len) {
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struct virtchnl_vsi_queue_config_info *vqc =
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(struct virtchnl_vsi_queue_config_info *)msg;
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valid_len += (vqc->num_queue_pairs *
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sizeof(struct
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virtchnl_queue_pair_info));
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if (vqc->num_queue_pairs == 0)
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err_msg_format = true;
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}
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break;
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case VIRTCHNL_OP_CONFIG_IRQ_MAP:
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valid_len = sizeof(struct virtchnl_irq_map_info);
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if (msglen >= valid_len) {
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struct virtchnl_irq_map_info *vimi =
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(struct virtchnl_irq_map_info *)msg;
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valid_len += (vimi->num_vectors *
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sizeof(struct virtchnl_vector_map));
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if (vimi->num_vectors == 0)
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err_msg_format = true;
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}
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break;
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case VIRTCHNL_OP_ENABLE_QUEUES:
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case VIRTCHNL_OP_DISABLE_QUEUES:
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valid_len = sizeof(struct virtchnl_queue_select);
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break;
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case VIRTCHNL_OP_ADD_ETH_ADDR:
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case VIRTCHNL_OP_DEL_ETH_ADDR:
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valid_len = sizeof(struct virtchnl_ether_addr_list);
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if (msglen >= valid_len) {
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struct virtchnl_ether_addr_list *veal =
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(struct virtchnl_ether_addr_list *)msg;
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valid_len += veal->num_elements *
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sizeof(struct virtchnl_ether_addr);
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if (veal->num_elements == 0)
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err_msg_format = true;
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}
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break;
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case VIRTCHNL_OP_ADD_VLAN:
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case VIRTCHNL_OP_DEL_VLAN:
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valid_len = sizeof(struct virtchnl_vlan_filter_list);
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if (msglen >= valid_len) {
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struct virtchnl_vlan_filter_list *vfl =
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(struct virtchnl_vlan_filter_list *)msg;
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valid_len += vfl->num_elements * sizeof(u16);
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if (vfl->num_elements == 0)
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err_msg_format = true;
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}
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break;
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case VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE:
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valid_len = sizeof(struct virtchnl_promisc_info);
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break;
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case VIRTCHNL_OP_GET_STATS:
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valid_len = sizeof(struct virtchnl_queue_select);
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break;
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case VIRTCHNL_OP_IWARP:
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/* These messages are opaque to us and will be validated in
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* the RDMA client code. We just need to check for nonzero
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* length. The firmware will enforce max length restrictions.
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*/
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if (msglen)
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valid_len = msglen;
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else
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err_msg_format = true;
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break;
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case VIRTCHNL_OP_RELEASE_IWARP_IRQ_MAP:
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break;
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case VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP:
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valid_len = sizeof(struct virtchnl_iwarp_qvlist_info);
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if (msglen >= valid_len) {
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struct virtchnl_iwarp_qvlist_info *qv =
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(struct virtchnl_iwarp_qvlist_info *)msg;
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if (qv->num_vectors == 0) {
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err_msg_format = true;
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break;
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}
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valid_len += ((qv->num_vectors - 1) *
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sizeof(struct virtchnl_iwarp_qv_info));
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}
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break;
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case VIRTCHNL_OP_CONFIG_RSS_KEY:
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valid_len = sizeof(struct virtchnl_rss_key);
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if (msglen >= valid_len) {
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struct virtchnl_rss_key *vrk =
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(struct virtchnl_rss_key *)msg;
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valid_len += vrk->key_len - 1;
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}
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break;
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case VIRTCHNL_OP_CONFIG_RSS_LUT:
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valid_len = sizeof(struct virtchnl_rss_lut);
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if (msglen >= valid_len) {
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struct virtchnl_rss_lut *vrl =
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(struct virtchnl_rss_lut *)msg;
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valid_len += vrl->lut_entries - 1;
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}
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break;
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case VIRTCHNL_OP_GET_RSS_HENA_CAPS:
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break;
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case VIRTCHNL_OP_SET_RSS_HENA:
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valid_len = sizeof(struct virtchnl_rss_hena);
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break;
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/* These are always errors coming from the VF. */
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case VIRTCHNL_OP_EVENT:
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case VIRTCHNL_OP_UNKNOWN:
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default:
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return VIRTCHNL_ERR_PARAM;
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}
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/* few more checks */
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if ((valid_len != msglen) || (err_msg_format))
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return VIRTCHNL_STATUS_ERR_OPCODE_MISMATCH;
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return 0;
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}
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/**
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/**
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* i40e_vc_process_vf_msg
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* i40e_vc_process_vf_msg
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* @pf: pointer to the PF structure
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* @pf: pointer to the PF structure
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@ -2708,7 +2560,7 @@ int i40e_vc_process_vf_msg(struct i40e_pf *pf, s16 vf_id, u32 v_opcode,
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return I40E_ERR_PARAM;
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return I40E_ERR_PARAM;
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/* perform basic checks on the msg */
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/* perform basic checks on the msg */
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ret = i40e_vc_validate_vf_msg(&vf->vf_ver, v_opcode, msg, msglen);
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ret = virtchnl_vc_validate_vf_msg(&vf->vf_ver, v_opcode, msg, msglen);
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/* perform additional checks specific to this driver */
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/* perform additional checks specific to this driver */
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if (v_opcode == VIRTCHNL_OP_CONFIG_RSS_KEY) {
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if (v_opcode == VIRTCHNL_OP_CONFIG_RSS_KEY) {
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@ -498,4 +498,151 @@ enum virtchnl_vfr_states {
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VIRTCHNL_VFR_VFACTIVE,
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VIRTCHNL_VFR_VFACTIVE,
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};
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};
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/**
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* virtchnl_vc_validate_vf_msg
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* @ver: Virtchnl version info
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* @v_opcode: Opcode for the message
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* @msg: pointer to the msg buffer
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* @msglen: msg length
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*
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* validate msg format against struct for each opcode
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*/
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static inline int
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virtchnl_vc_validate_vf_msg(struct virtchnl_version_info *ver, u32 v_opcode,
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u8 *msg, u16 msglen)
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{
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bool err_msg_format = false;
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int valid_len = 0;
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/* Validate message length. */
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switch (v_opcode) {
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case VIRTCHNL_OP_VERSION:
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valid_len = sizeof(struct virtchnl_version_info);
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break;
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case VIRTCHNL_OP_RESET_VF:
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break;
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case VIRTCHNL_OP_GET_VF_RESOURCES:
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if (VF_IS_V11(ver))
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valid_len = sizeof(u32);
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break;
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case VIRTCHNL_OP_CONFIG_TX_QUEUE:
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valid_len = sizeof(struct virtchnl_txq_info);
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break;
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case VIRTCHNL_OP_CONFIG_RX_QUEUE:
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valid_len = sizeof(struct virtchnl_rxq_info);
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break;
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case VIRTCHNL_OP_CONFIG_VSI_QUEUES:
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valid_len = sizeof(struct virtchnl_vsi_queue_config_info);
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if (msglen >= valid_len) {
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struct virtchnl_vsi_queue_config_info *vqc =
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(struct virtchnl_vsi_queue_config_info *)msg;
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valid_len += (vqc->num_queue_pairs *
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sizeof(struct
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virtchnl_queue_pair_info));
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if (vqc->num_queue_pairs == 0)
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err_msg_format = true;
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}
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break;
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case VIRTCHNL_OP_CONFIG_IRQ_MAP:
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valid_len = sizeof(struct virtchnl_irq_map_info);
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if (msglen >= valid_len) {
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struct virtchnl_irq_map_info *vimi =
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(struct virtchnl_irq_map_info *)msg;
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valid_len += (vimi->num_vectors *
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sizeof(struct virtchnl_vector_map));
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if (vimi->num_vectors == 0)
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err_msg_format = true;
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}
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break;
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case VIRTCHNL_OP_ENABLE_QUEUES:
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case VIRTCHNL_OP_DISABLE_QUEUES:
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valid_len = sizeof(struct virtchnl_queue_select);
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break;
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case VIRTCHNL_OP_ADD_ETH_ADDR:
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case VIRTCHNL_OP_DEL_ETH_ADDR:
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valid_len = sizeof(struct virtchnl_ether_addr_list);
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if (msglen >= valid_len) {
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struct virtchnl_ether_addr_list *veal =
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(struct virtchnl_ether_addr_list *)msg;
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valid_len += veal->num_elements *
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sizeof(struct virtchnl_ether_addr);
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if (veal->num_elements == 0)
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err_msg_format = true;
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}
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break;
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case VIRTCHNL_OP_ADD_VLAN:
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case VIRTCHNL_OP_DEL_VLAN:
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valid_len = sizeof(struct virtchnl_vlan_filter_list);
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if (msglen >= valid_len) {
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struct virtchnl_vlan_filter_list *vfl =
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(struct virtchnl_vlan_filter_list *)msg;
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valid_len += vfl->num_elements * sizeof(u16);
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if (vfl->num_elements == 0)
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err_msg_format = true;
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}
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break;
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case VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE:
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valid_len = sizeof(struct virtchnl_promisc_info);
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break;
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case VIRTCHNL_OP_GET_STATS:
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valid_len = sizeof(struct virtchnl_queue_select);
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break;
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case VIRTCHNL_OP_IWARP:
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/* These messages are opaque to us and will be validated in
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* the RDMA client code. We just need to check for nonzero
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* length. The firmware will enforce max length restrictions.
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*/
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if (msglen)
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valid_len = msglen;
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else
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err_msg_format = true;
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break;
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case VIRTCHNL_OP_RELEASE_IWARP_IRQ_MAP:
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break;
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case VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP:
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valid_len = sizeof(struct virtchnl_iwarp_qvlist_info);
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if (msglen >= valid_len) {
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struct virtchnl_iwarp_qvlist_info *qv =
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(struct virtchnl_iwarp_qvlist_info *)msg;
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if (qv->num_vectors == 0) {
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err_msg_format = true;
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break;
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}
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valid_len += ((qv->num_vectors - 1) *
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sizeof(struct virtchnl_iwarp_qv_info));
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}
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break;
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case VIRTCHNL_OP_CONFIG_RSS_KEY:
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valid_len = sizeof(struct virtchnl_rss_key);
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if (msglen >= valid_len) {
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struct virtchnl_rss_key *vrk =
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(struct virtchnl_rss_key *)msg;
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valid_len += vrk->key_len - 1;
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}
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break;
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case VIRTCHNL_OP_CONFIG_RSS_LUT:
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valid_len = sizeof(struct virtchnl_rss_lut);
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if (msglen >= valid_len) {
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struct virtchnl_rss_lut *vrl =
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(struct virtchnl_rss_lut *)msg;
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valid_len += vrl->lut_entries - 1;
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}
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break;
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case VIRTCHNL_OP_GET_RSS_HENA_CAPS:
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break;
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case VIRTCHNL_OP_SET_RSS_HENA:
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valid_len = sizeof(struct virtchnl_rss_hena);
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break;
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/* These are always errors coming from the VF. */
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case VIRTCHNL_OP_EVENT:
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case VIRTCHNL_OP_UNKNOWN:
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default:
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return VIRTCHNL_ERR_PARAM;
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}
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/* few more checks */
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if ((valid_len != msglen) || (err_msg_format))
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return VIRTCHNL_STATUS_ERR_OPCODE_MISMATCH;
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return 0;
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}
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#endif /* _VIRTCHNL_H_ */
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#endif /* _VIRTCHNL_H_ */
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