struct ice_fdir_fltr input;
enum ice_fdir_tunnel_type ttype;
u64 inset_flag;
+ u32 flow_id;
};
static enum virtchnl_proto_hdr_type vc_pattern_ether[] = {
}
input->dest_vsi = vsi->idx;
- input->comp_report = ICE_FXD_FLTR_QW0_COMP_REPORT_SW_FAIL;
+ input->comp_report = ICE_FXD_FLTR_QW0_COMP_REPORT_SW;
ctrl_vsi = pf->vsi[vf->ctrl_vsi_idx];
if (!ctrl_vsi) {
return ret;
}
+/**
+ * ice_vf_fdir_timer - FDIR program waiting timer interrupt handler
+ * @t: pointer to timer_list
+ */
+static void ice_vf_fdir_timer(struct timer_list *t)
+{
+ struct ice_vf_fdir_ctx *ctx_irq = from_timer(ctx_irq, t, rx_tmr);
+ struct ice_vf_fdir_ctx *ctx_done;
+ struct ice_vf_fdir *fdir;
+ unsigned long flags;
+ struct ice_vf *vf;
+ struct ice_pf *pf;
+
+ fdir = container_of(ctx_irq, struct ice_vf_fdir, ctx_irq);
+ vf = container_of(fdir, struct ice_vf, fdir);
+ ctx_done = &fdir->ctx_done;
+ pf = vf->pf;
+ spin_lock_irqsave(&fdir->ctx_lock, flags);
+ if (!(ctx_irq->flags & ICE_VF_FDIR_CTX_VALID)) {
+ spin_unlock_irqrestore(&fdir->ctx_lock, flags);
+ WARN_ON_ONCE(1);
+ return;
+ }
+
+ ctx_irq->flags &= ~ICE_VF_FDIR_CTX_VALID;
+
+ ctx_done->flags |= ICE_VF_FDIR_CTX_VALID;
+ ctx_done->conf = ctx_irq->conf;
+ ctx_done->stat = ICE_FDIR_CTX_TIMEOUT;
+ ctx_done->v_opcode = ctx_irq->v_opcode;
+ spin_unlock_irqrestore(&fdir->ctx_lock, flags);
+
+ set_bit(__ICE_FD_VF_FLUSH_CTX, pf->state);
+ ice_service_task_schedule(pf);
+}
+
+/**
+ * ice_vc_fdir_irq_handler - ctrl_vsi Rx queue interrupt handler
+ * @ctrl_vsi: pointer to a VF's CTRL VSI
+ * @rx_desc: pointer to FDIR Rx queue descriptor
+ */
+void
+ice_vc_fdir_irq_handler(struct ice_vsi *ctrl_vsi,
+ union ice_32b_rx_flex_desc *rx_desc)
+{
+ struct ice_pf *pf = ctrl_vsi->back;
+ struct ice_vf_fdir_ctx *ctx_done;
+ struct ice_vf_fdir_ctx *ctx_irq;
+ struct ice_vf_fdir *fdir;
+ unsigned long flags;
+ struct device *dev;
+ struct ice_vf *vf;
+ int ret;
+
+ vf = &pf->vf[ctrl_vsi->vf_id];
+
+ fdir = &vf->fdir;
+ ctx_done = &fdir->ctx_done;
+ ctx_irq = &fdir->ctx_irq;
+ dev = ice_pf_to_dev(pf);
+ spin_lock_irqsave(&fdir->ctx_lock, flags);
+ if (!(ctx_irq->flags & ICE_VF_FDIR_CTX_VALID)) {
+ spin_unlock_irqrestore(&fdir->ctx_lock, flags);
+ WARN_ON_ONCE(1);
+ return;
+ }
+
+ ctx_irq->flags &= ~ICE_VF_FDIR_CTX_VALID;
+
+ ctx_done->flags |= ICE_VF_FDIR_CTX_VALID;
+ ctx_done->conf = ctx_irq->conf;
+ ctx_done->stat = ICE_FDIR_CTX_IRQ;
+ ctx_done->v_opcode = ctx_irq->v_opcode;
+ memcpy(&ctx_done->rx_desc, rx_desc, sizeof(*rx_desc));
+ spin_unlock_irqrestore(&fdir->ctx_lock, flags);
+
+ ret = del_timer(&ctx_irq->rx_tmr);
+ if (!ret)
+ dev_err(dev, "VF %d: Unexpected inactive timer!\n", vf->vf_id);
+
+ set_bit(__ICE_FD_VF_FLUSH_CTX, pf->state);
+ ice_service_task_schedule(pf);
+}
+
+/**
+ * ice_vf_fdir_dump_info - dump FDIR information for diagnosis
+ * @vf: pointer to the VF info
+ */
+static void ice_vf_fdir_dump_info(struct ice_vf *vf)
+{
+ struct ice_vsi *vf_vsi;
+ u32 fd_size, fd_cnt;
+ struct device *dev;
+ struct ice_pf *pf;
+ struct ice_hw *hw;
+ u16 vsi_num;
+
+ pf = vf->pf;
+ hw = &pf->hw;
+ dev = ice_pf_to_dev(pf);
+ vf_vsi = pf->vsi[vf->lan_vsi_idx];
+ vsi_num = ice_get_hw_vsi_num(hw, vf_vsi->idx);
+
+ fd_size = rd32(hw, VSIQF_FD_SIZE(vsi_num));
+ fd_cnt = rd32(hw, VSIQF_FD_CNT(vsi_num));
+ dev_dbg(dev, "VF %d: space allocated: guar:0x%x, be:0x%x, space consumed: guar:0x%x, be:0x%x",
+ vf->vf_id,
+ (fd_size & VSIQF_FD_CNT_FD_GCNT_M) >> VSIQF_FD_CNT_FD_GCNT_S,
+ (fd_size & VSIQF_FD_CNT_FD_BCNT_M) >> VSIQF_FD_CNT_FD_BCNT_S,
+ (fd_cnt & VSIQF_FD_CNT_FD_GCNT_M) >> VSIQF_FD_CNT_FD_GCNT_S,
+ (fd_cnt & VSIQF_FD_CNT_FD_BCNT_M) >> VSIQF_FD_CNT_FD_BCNT_S);
+}
+
+/**
+ * ice_vf_verify_rx_desc - verify received FDIR programming status descriptor
+ * @vf: pointer to the VF info
+ * @ctx: FDIR context info for post processing
+ * @status: virtchnl FDIR program status
+ *
+ * Return: 0 on success, and other on error.
+ */
+static int
+ice_vf_verify_rx_desc(struct ice_vf *vf, struct ice_vf_fdir_ctx *ctx,
+ enum virtchnl_fdir_prgm_status *status)
+{
+ struct device *dev = ice_pf_to_dev(vf->pf);
+ u32 stat_err, error, prog_id;
+ int ret;
+
+ stat_err = le16_to_cpu(ctx->rx_desc.wb.status_error0);
+ if (((stat_err & ICE_FXD_FLTR_WB_QW1_DD_M) >>
+ ICE_FXD_FLTR_WB_QW1_DD_S) != ICE_FXD_FLTR_WB_QW1_DD_YES) {
+ *status = VIRTCHNL_FDIR_FAILURE_RULE_NORESOURCE;
+ dev_err(dev, "VF %d: Desc Done not set\n", vf->vf_id);
+ ret = -EINVAL;
+ goto err_exit;
+ }
+
+ prog_id = (stat_err & ICE_FXD_FLTR_WB_QW1_PROG_ID_M) >>
+ ICE_FXD_FLTR_WB_QW1_PROG_ID_S;
+ if (prog_id == ICE_FXD_FLTR_WB_QW1_PROG_ADD &&
+ ctx->v_opcode != VIRTCHNL_OP_ADD_FDIR_FILTER) {
+ dev_err(dev, "VF %d: Desc show add, but ctx not",
+ vf->vf_id);
+ *status = VIRTCHNL_FDIR_FAILURE_RULE_INVALID;
+ ret = -EINVAL;
+ goto err_exit;
+ }
+
+ if (prog_id == ICE_FXD_FLTR_WB_QW1_PROG_DEL &&
+ ctx->v_opcode != VIRTCHNL_OP_DEL_FDIR_FILTER) {
+ dev_err(dev, "VF %d: Desc show del, but ctx not",
+ vf->vf_id);
+ *status = VIRTCHNL_FDIR_FAILURE_RULE_INVALID;
+ ret = -EINVAL;
+ goto err_exit;
+ }
+
+ error = (stat_err & ICE_FXD_FLTR_WB_QW1_FAIL_M) >>
+ ICE_FXD_FLTR_WB_QW1_FAIL_S;
+ if (error == ICE_FXD_FLTR_WB_QW1_FAIL_YES) {
+ if (prog_id == ICE_FXD_FLTR_WB_QW1_PROG_ADD) {
+ dev_err(dev, "VF %d, Failed to add FDIR rule due to no space in the table",
+ vf->vf_id);
+ *status = VIRTCHNL_FDIR_FAILURE_RULE_NORESOURCE;
+ } else {
+ dev_err(dev, "VF %d, Failed to remove FDIR rule, attempt to remove non-existent entry",
+ vf->vf_id);
+ *status = VIRTCHNL_FDIR_FAILURE_RULE_NONEXIST;
+ }
+ ret = -EINVAL;
+ goto err_exit;
+ }
+
+ error = (stat_err & ICE_FXD_FLTR_WB_QW1_FAIL_PROF_M) >>
+ ICE_FXD_FLTR_WB_QW1_FAIL_PROF_S;
+ if (error == ICE_FXD_FLTR_WB_QW1_FAIL_PROF_YES) {
+ dev_err(dev, "VF %d: Profile matching error", vf->vf_id);
+ *status = VIRTCHNL_FDIR_FAILURE_RULE_NORESOURCE;
+ ret = -EINVAL;
+ goto err_exit;
+ }
+
+ *status = VIRTCHNL_FDIR_SUCCESS;
+
+ return 0;
+
+err_exit:
+ ice_vf_fdir_dump_info(vf);
+ return ret;
+}
+
+/**
+ * ice_vc_add_fdir_fltr_post
+ * @vf: pointer to the VF structure
+ * @ctx: FDIR context info for post processing
+ * @status: virtchnl FDIR program status
+ * @success: true implies success, false implies failure
+ *
+ * Post process for flow director add command. If success, then do post process
+ * and send back success msg by virtchnl. Otherwise, do context reversion and
+ * send back failure msg by virtchnl.
+ *
+ * Return: 0 on success, and other on error.
+ */
+static int
+ice_vc_add_fdir_fltr_post(struct ice_vf *vf, struct ice_vf_fdir_ctx *ctx,
+ enum virtchnl_fdir_prgm_status status,
+ bool success)
+{
+ struct virtchnl_fdir_fltr_conf *conf = ctx->conf;
+ struct device *dev = ice_pf_to_dev(vf->pf);
+ enum virtchnl_status_code v_ret;
+ struct virtchnl_fdir_add *resp;
+ int ret, len, is_tun;
+
+ v_ret = VIRTCHNL_STATUS_SUCCESS;
+ len = sizeof(*resp);
+ resp = kzalloc(len, GFP_KERNEL);
+ if (!resp) {
+ len = 0;
+ v_ret = VIRTCHNL_STATUS_ERR_NO_MEMORY;
+ dev_dbg(dev, "VF %d: Alloc resp buf fail", vf->vf_id);
+ goto err_exit;
+ }
+
+ if (!success)
+ goto err_exit;
+
+ is_tun = 0;
+ resp->status = status;
+ resp->flow_id = conf->flow_id;
+ vf->fdir.fdir_fltr_cnt[conf->input.flow_type][is_tun]++;
+
+ ret = ice_vc_send_msg_to_vf(vf, ctx->v_opcode, v_ret,
+ (u8 *)resp, len);
+ kfree(resp);
+
+ dev_dbg(dev, "VF %d: flow_id:0x%X, FDIR %s success!\n",
+ vf->vf_id, conf->flow_id,
+ (ctx->v_opcode == VIRTCHNL_OP_ADD_FDIR_FILTER) ?
+ "add" : "del");
+ return ret;
+
+err_exit:
+ if (resp)
+ resp->status = status;
+ ice_vc_fdir_remove_entry(vf, conf, conf->flow_id);
+ devm_kfree(dev, conf);
+
+ ret = ice_vc_send_msg_to_vf(vf, ctx->v_opcode, v_ret,
+ (u8 *)resp, len);
+ kfree(resp);
+ return ret;
+}
+
+/**
+ * ice_vc_del_fdir_fltr_post
+ * @vf: pointer to the VF structure
+ * @ctx: FDIR context info for post processing
+ * @status: virtchnl FDIR program status
+ * @success: true implies success, false implies failure
+ *
+ * Post process for flow director del command. If success, then do post process
+ * and send back success msg by virtchnl. Otherwise, do context reversion and
+ * send back failure msg by virtchnl.
+ *
+ * Return: 0 on success, and other on error.
+ */
+static int
+ice_vc_del_fdir_fltr_post(struct ice_vf *vf, struct ice_vf_fdir_ctx *ctx,
+ enum virtchnl_fdir_prgm_status status,
+ bool success)
+{
+ struct virtchnl_fdir_fltr_conf *conf = ctx->conf;
+ struct device *dev = ice_pf_to_dev(vf->pf);
+ enum virtchnl_status_code v_ret;
+ struct virtchnl_fdir_del *resp;
+ int ret, len, is_tun;
+
+ v_ret = VIRTCHNL_STATUS_SUCCESS;
+ len = sizeof(*resp);
+ resp = kzalloc(len, GFP_KERNEL);
+ if (!resp) {
+ len = 0;
+ v_ret = VIRTCHNL_STATUS_ERR_NO_MEMORY;
+ dev_dbg(dev, "VF %d: Alloc resp buf fail", vf->vf_id);
+ goto err_exit;
+ }
+
+ if (!success)
+ goto err_exit;
+
+ is_tun = 0;
+ resp->status = status;
+ ice_vc_fdir_remove_entry(vf, conf, conf->flow_id);
+ vf->fdir.fdir_fltr_cnt[conf->input.flow_type][is_tun]--;
+
+ ret = ice_vc_send_msg_to_vf(vf, ctx->v_opcode, v_ret,
+ (u8 *)resp, len);
+ kfree(resp);
+
+ dev_dbg(dev, "VF %d: flow_id:0x%X, FDIR %s success!\n",
+ vf->vf_id, conf->flow_id,
+ (ctx->v_opcode == VIRTCHNL_OP_ADD_FDIR_FILTER) ?
+ "add" : "del");
+ devm_kfree(dev, conf);
+ return ret;
+
+err_exit:
+ if (resp)
+ resp->status = status;
+ if (success)
+ devm_kfree(dev, conf);
+
+ ret = ice_vc_send_msg_to_vf(vf, ctx->v_opcode, v_ret,
+ (u8 *)resp, len);
+ kfree(resp);
+ return ret;
+}
+
+/**
+ * ice_flush_fdir_ctx
+ * @pf: pointer to the PF structure
+ *
+ * Flush all the pending event on ctx_done list and process them.
+ */
+void ice_flush_fdir_ctx(struct ice_pf *pf)
+{
+ int i;
+
+ if (!test_and_clear_bit(__ICE_FD_VF_FLUSH_CTX, pf->state))
+ return;
+
+ ice_for_each_vf(pf, i) {
+ struct device *dev = ice_pf_to_dev(pf);
+ enum virtchnl_fdir_prgm_status status;
+ struct ice_vf *vf = &pf->vf[i];
+ struct ice_vf_fdir_ctx *ctx;
+ unsigned long flags;
+ int ret;
+
+ if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states))
+ continue;
+
+ if (vf->ctrl_vsi_idx == ICE_NO_VSI)
+ continue;
+
+ ctx = &vf->fdir.ctx_done;
+ spin_lock_irqsave(&vf->fdir.ctx_lock, flags);
+ if (!(ctx->flags & ICE_VF_FDIR_CTX_VALID)) {
+ spin_unlock_irqrestore(&vf->fdir.ctx_lock, flags);
+ continue;
+ }
+ spin_unlock_irqrestore(&vf->fdir.ctx_lock, flags);
+
+ WARN_ON(ctx->stat == ICE_FDIR_CTX_READY);
+ if (ctx->stat == ICE_FDIR_CTX_TIMEOUT) {
+ status = VIRTCHNL_FDIR_FAILURE_RULE_TIMEOUT;
+ dev_err(dev, "VF %d: ctrl_vsi irq timeout\n",
+ vf->vf_id);
+ goto err_exit;
+ }
+
+ ret = ice_vf_verify_rx_desc(vf, ctx, &status);
+ if (ret)
+ goto err_exit;
+
+ if (ctx->v_opcode == VIRTCHNL_OP_ADD_FDIR_FILTER)
+ ice_vc_add_fdir_fltr_post(vf, ctx, status, true);
+ else if (ctx->v_opcode == VIRTCHNL_OP_DEL_FDIR_FILTER)
+ ice_vc_del_fdir_fltr_post(vf, ctx, status, true);
+ else
+ dev_err(dev, "VF %d: Unsupported opcode\n", vf->vf_id);
+
+ spin_lock_irqsave(&vf->fdir.ctx_lock, flags);
+ ctx->flags &= ~ICE_VF_FDIR_CTX_VALID;
+ spin_unlock_irqrestore(&vf->fdir.ctx_lock, flags);
+ continue;
+err_exit:
+ if (ctx->v_opcode == VIRTCHNL_OP_ADD_FDIR_FILTER)
+ ice_vc_add_fdir_fltr_post(vf, ctx, status, false);
+ else if (ctx->v_opcode == VIRTCHNL_OP_DEL_FDIR_FILTER)
+ ice_vc_del_fdir_fltr_post(vf, ctx, status, false);
+ else
+ dev_err(dev, "VF %d: Unsupported opcode\n", vf->vf_id);
+
+ spin_lock_irqsave(&vf->fdir.ctx_lock, flags);
+ ctx->flags &= ~ICE_VF_FDIR_CTX_VALID;
+ spin_unlock_irqrestore(&vf->fdir.ctx_lock, flags);
+ }
+}
+
+/**
+ * ice_vc_fdir_set_irq_ctx - set FDIR context info for later IRQ handler
+ * @vf: pointer to the VF structure
+ * @conf: FDIR configuration for each filter
+ * @v_opcode: virtual channel operation code
+ *
+ * Return: 0 on success, and other on error.
+ */
+static int
+ice_vc_fdir_set_irq_ctx(struct ice_vf *vf, struct virtchnl_fdir_fltr_conf *conf,
+ enum virtchnl_ops v_opcode)
+{
+ struct device *dev = ice_pf_to_dev(vf->pf);
+ struct ice_vf_fdir_ctx *ctx;
+ unsigned long flags;
+
+ ctx = &vf->fdir.ctx_irq;
+ spin_lock_irqsave(&vf->fdir.ctx_lock, flags);
+ if ((vf->fdir.ctx_irq.flags & ICE_VF_FDIR_CTX_VALID) ||
+ (vf->fdir.ctx_done.flags & ICE_VF_FDIR_CTX_VALID)) {
+ spin_unlock_irqrestore(&vf->fdir.ctx_lock, flags);
+ dev_dbg(dev, "VF %d: Last request is still in progress\n",
+ vf->vf_id);
+ return -EBUSY;
+ }
+ ctx->flags |= ICE_VF_FDIR_CTX_VALID;
+ spin_unlock_irqrestore(&vf->fdir.ctx_lock, flags);
+
+ ctx->conf = conf;
+ ctx->v_opcode = v_opcode;
+ ctx->stat = ICE_FDIR_CTX_READY;
+ timer_setup(&ctx->rx_tmr, ice_vf_fdir_timer, 0);
+
+ mod_timer(&ctx->rx_tmr, round_jiffies(msecs_to_jiffies(10) + jiffies));
+
+ return 0;
+}
+
+/**
+ * ice_vc_fdir_clear_irq_ctx - clear FDIR context info for IRQ handler
+ * @vf: pointer to the VF structure
+ *
+ * Return: 0 on success, and other on error.
+ */
+static void ice_vc_fdir_clear_irq_ctx(struct ice_vf *vf)
+{
+ struct ice_vf_fdir_ctx *ctx = &vf->fdir.ctx_irq;
+ unsigned long flags;
+
+ del_timer(&ctx->rx_tmr);
+ spin_lock_irqsave(&vf->fdir.ctx_lock, flags);
+ ctx->flags &= ~ICE_VF_FDIR_CTX_VALID;
+ spin_unlock_irqrestore(&vf->fdir.ctx_lock, flags);
+}
+
/**
* ice_vc_add_fdir_fltr - add a FDIR filter for VF by the msg buffer
* @vf: pointer to the VF info
goto err_free_conf;
}
- ret = ice_vc_fdir_insert_entry(vf, conf, &stat->flow_id);
+ ret = ice_vc_fdir_insert_entry(vf, conf, &conf->flow_id);
if (ret) {
v_ret = VIRTCHNL_STATUS_SUCCESS;
stat->status = VIRTCHNL_FDIR_FAILURE_RULE_NORESOURCE;
goto err_free_conf;
}
+ ret = ice_vc_fdir_set_irq_ctx(vf, conf, VIRTCHNL_OP_ADD_FDIR_FILTER);
+ if (ret) {
+ v_ret = VIRTCHNL_STATUS_SUCCESS;
+ stat->status = VIRTCHNL_FDIR_FAILURE_RULE_NORESOURCE;
+ dev_dbg(dev, "VF %d: set FDIR context failed\n", vf->vf_id);
+ goto err_free_conf;
+ }
+
ret = ice_vc_fdir_write_fltr(vf, conf, true, is_tun);
if (ret) {
v_ret = VIRTCHNL_STATUS_SUCCESS;
goto err_rem_entry;
}
- vf->fdir.fdir_fltr_cnt[conf->input.flow_type][is_tun]++;
-
- v_ret = VIRTCHNL_STATUS_SUCCESS;
- stat->status = VIRTCHNL_FDIR_SUCCESS;
exit:
- ret = ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_ADD_FDIR_FILTER, v_ret,
- (u8 *)stat, len);
kfree(stat);
return ret;
err_rem_entry:
- ice_vc_fdir_remove_entry(vf, conf, stat->flow_id);
+ ice_vc_fdir_clear_irq_ctx(vf);
+ ice_vc_fdir_remove_entry(vf, conf, conf->flow_id);
err_free_conf:
devm_kfree(dev, conf);
err_exit:
goto err_exit;
}
+ ret = ice_vc_fdir_set_irq_ctx(vf, conf, VIRTCHNL_OP_DEL_FDIR_FILTER);
+ if (ret) {
+ v_ret = VIRTCHNL_STATUS_SUCCESS;
+ stat->status = VIRTCHNL_FDIR_FAILURE_RULE_NORESOURCE;
+ dev_dbg(dev, "VF %d: set FDIR context failed\n", vf->vf_id);
+ goto err_exit;
+ }
+
ret = ice_vc_fdir_write_fltr(vf, conf, false, is_tun);
if (ret) {
v_ret = VIRTCHNL_STATUS_SUCCESS;
stat->status = VIRTCHNL_FDIR_FAILURE_RULE_NORESOURCE;
dev_err(dev, "VF %d: writing FDIR rule failed, ret:%d\n",
vf->vf_id, ret);
- goto err_exit;
+ goto err_del_tmr;
}
- ice_vc_fdir_remove_entry(vf, conf, fltr->flow_id);
- devm_kfree(dev, conf);
- vf->fdir.fdir_fltr_cnt[conf->input.flow_type][is_tun]--;
+ kfree(stat);
- v_ret = VIRTCHNL_STATUS_SUCCESS;
- stat->status = VIRTCHNL_FDIR_SUCCESS;
+ return ret;
+err_del_tmr:
+ ice_vc_fdir_clear_irq_ctx(vf);
err_exit:
ret = ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_DEL_FDIR_FILTER, v_ret,
(u8 *)stat, len);
idr_init(&fdir->fdir_rule_idr);
INIT_LIST_HEAD(&fdir->fdir_rule_list);
+
+ spin_lock_init(&fdir->ctx_lock);
+ fdir->ctx_irq.flags = 0;
+ fdir->ctx_done.flags = 0;
}
/**
projects / linux-2.6-microblaze.git / commitdiff