octeontx2/nic/otx2_flows.c

33 static void otx2_clear_ntuple_flow_info(struct otx2_nic *pfvf, struct otx2_flow_config *flow_cfg)
35 	devm_kfree(pfvf->dev, flow_cfg->flow_ent);
36 	flow_cfg->flow_ent = NULL;
37 	flow_cfg->max_flows = 0;
42 	struct otx2_flow_config *flow_cfg = pfvf->flow_cfg;
46 	if (!flow_cfg->max_flows)
50 	for (ent = 0; ent < flow_cfg->max_flows; ent++) {
55 		req->entry = flow_cfg->flow_ent[ent];
63 	otx2_clear_ntuple_flow_info(pfvf, flow_cfg);
69 	struct otx2_flow_config *flow_cfg = pfvf->flow_cfg;
80 	flow_cfg->flow_ent = devm_kmalloc_array(pfvf->dev, count,
82 	if (!flow_cfg->flow_ent) {
108 			req->ref_entry = flow_cfg->def_ent[0];
121 			flow_cfg->flow_ent[ent + allocated] = rsp->entry_list[ent];
138 		sort(&flow_cfg->flow_ent[0], allocated,
139 		     sizeof(flow_cfg->flow_ent[0]), mcam_entry_cmp, NULL);
144 	flow_cfg->max_flows = allocated;
161 	struct otx2_flow_config *flow_cfg = pfvf->flow_cfg;
170 	count = flow_cfg->ucast_flt_cnt +
173 	flow_cfg->def_ent = devm_kmalloc_array(pfvf->dev, count,
175 	if (!flow_cfg->def_ent)
206 		devm_kfree(pfvf->dev, flow_cfg->def_ent);
211 		flow_cfg->def_ent[ent] = rsp->entry_list[ent];
213 	flow_cfg->vf_vlan_offset = 0;
214 	flow_cfg->unicast_offset = vf_vlan_max_flows;
215 	flow_cfg->rx_vlan_offset = flow_cfg->unicast_offset +
216 					flow_cfg->ucast_flt_cnt;
250 	count = otx2_alloc_mcam_entries(pfvf, flow_cfg->ntuple_cnt);
252 		otx2_clear_ntuple_flow_info(pfvf, flow_cfg);
258 	refcount_set(&flow_cfg->mark_flows, 1);
268 	struct otx2_flow_config *flow_cfg;
270 	pfvf->flow_cfg = devm_kzalloc(pfvf->dev,
273 	if (!pfvf->flow_cfg)
276 	pfvf->flow_cfg->dmacflt_bmap = devm_kcalloc(pfvf->dev,
279 	if (!pfvf->flow_cfg->dmacflt_bmap)
282 	flow_cfg = pfvf->flow_cfg;
283 	INIT_LIST_HEAD(&flow_cfg->flow_list);
284 	INIT_LIST_HEAD(&flow_cfg->flow_list_tc);
285 	flow_cfg->max_flows = 0;
295 	pf->flow_cfg = devm_kzalloc(pf->dev, sizeof(struct otx2_flow_config),
297 	if (!pf->flow_cfg)
300 	pf->flow_cfg->dmacflt_bmap = devm_kcalloc(pf->dev,
303 	if (!pf->flow_cfg->dmacflt_bmap)
306 	INIT_LIST_HEAD(&pf->flow_cfg->flow_list);
307 	INIT_LIST_HEAD(&pf->flow_cfg->flow_list_tc);
309 	pf->flow_cfg->ucast_flt_cnt = OTX2_DEFAULT_UNICAST_FLOWS;
310 	pf->flow_cfg->ntuple_cnt = OTX2_DEFAULT_FLOWCOUNT;
324 					* pf->flow_cfg->ucast_flt_cnt, GFP_KERNEL);
331 	if (!pf->flow_cfg->dmacflt_max_flows)
334 	pf->flow_cfg->bmap_to_dmacindex =
336 				     pf->flow_cfg->dmacflt_max_flows,
339 	if (!pf->flow_cfg->bmap_to_dmacindex)
358 	struct otx2_flow_config *flow_cfg = pf->flow_cfg;
366 	if (netdev_uc_count(pf->netdev) > pf->flow_cfg->ucast_flt_cnt)
377 	for (i = 0; i <  pf->flow_cfg->ucast_flt_cnt; i++) {
383 			flow_cfg->def_ent[i + flow_cfg->unicast_offset];
406 	if (!bitmap_empty(pf->flow_cfg->dmacflt_bmap,
407 			  pf->flow_cfg->dmacflt_max_flows))
420 	for (i = 0; i < pf->flow_cfg->ucast_flt_cnt; i++) {
461 	list_for_each_entry(iter, &pfvf->flow_cfg->flow_list, list) {
471 	struct list_head *head = &pfvf->flow_cfg->flow_list;
474 	list_for_each_entry(iter, &pfvf->flow_cfg->flow_list, list) {
483 int otx2_get_maxflows(struct otx2_flow_config *flow_cfg)
485 	if (!flow_cfg)
488 	if (flow_cfg->nr_flows == flow_cfg->max_flows ||
489 	    !bitmap_empty(flow_cfg->dmacflt_bmap,
490 			  flow_cfg->dmacflt_max_flows))
491 		return flow_cfg->max_flows + flow_cfg->dmacflt_max_flows;
493 		return flow_cfg->max_flows;
502 	if (location >= otx2_get_maxflows(pfvf->flow_cfg))
505 	list_for_each_entry(iter, &pfvf->flow_cfg->flow_list, list) {
524 	nfc->data = otx2_get_maxflows(pfvf->flow_cfg);
1072 	pf_mac->location = pfvf->flow_cfg->max_flows;
1085 	pfvf->flow_cfg->nr_flows++;
1086 	set_bit(0, pfvf->flow_cfg->dmacflt_bmap);
1093 	struct otx2_flow_config *flow_cfg = pfvf->flow_cfg;
1102 	if (!flow_cfg->max_flows) {
1129 	if (fsp->location >= otx2_get_maxflows(flow_cfg))
1138 		flow->entry = flow_cfg->flow_ent[flow->location];
1155 		if (bitmap_full(flow_cfg->dmacflt_bmap,
1156 				flow_cfg->dmacflt_max_flows)) {
1160 				    flow_cfg->dmacflt_max_flows,
1161 				    flow_cfg->dmacflt_max_flows);
1169 		if (!test_bit(0, flow_cfg->dmacflt_bmap))
1173 		flow->entry = find_first_zero_bit(flow_cfg->dmacflt_bmap,
1174 						  flow_cfg->dmacflt_max_flows);
1175 		fsp->location = flow_cfg->max_flows + flow->entry;
1179 		set_bit(flow->entry, flow_cfg->dmacflt_bmap);
1183 		if (flow->location >= pfvf->flow_cfg->max_flows) {
1187 				    flow_cfg->max_flows - 1);
1205 		flow_cfg->nr_flows++;
1242 	list_for_each_entry(iter, &pfvf->flow_cfg->flow_list, list) {
1248 				clear_bit(0, pfvf->flow_cfg->dmacflt_bmap);
1263 		pfvf->flow_cfg->nr_flows--;
1269 	struct otx2_flow_config *flow_cfg = pfvf->flow_cfg;
1273 	if (location >= otx2_get_maxflows(flow_cfg))
1289 		clear_bit(flow->entry, flow_cfg->dmacflt_bmap);
1294 		if (bitmap_weight(flow_cfg->dmacflt_bmap,
1295 				  flow_cfg->dmacflt_max_flows) == 1)
1313 	flow_cfg->nr_flows--;
1323 	list_for_each_entry_safe(flow, tmp, &pfvf->flow_cfg->flow_list, list) {
1336 	struct otx2_flow_config *flow_cfg = pfvf->flow_cfg;
1344 	if (!flow_cfg->max_flows)
1354 	req->start = flow_cfg->flow_ent[0];
1355 	req->end   = flow_cfg->flow_ent[flow_cfg->max_flows - 1];
1359 	list_for_each_entry_safe(iter, tmp, &flow_cfg->flow_list, list) {
1362 		flow_cfg->nr_flows--;
1369 	struct otx2_flow_config *flow_cfg = pfvf->flow_cfg;
1382 	list_for_each_entry_safe(iter, tmp, &flow_cfg->flow_list, list) {
1385 		flow_cfg->nr_flows--;
1404 	flow_cfg->max_flows = 0;
1412 	struct otx2_flow_config *flow_cfg = pfvf->flow_cfg;
1423 	req->entry = flow_cfg->def_ent[flow_cfg->rx_vlan_offset];
1441 	struct otx2_flow_config *flow_cfg = pfvf->flow_cfg;
1452 	req->entry = flow_cfg->def_ent[flow_cfg->rx_vlan_offset];
1514 	list_for_each_entry(iter, &pf->flow_cfg->flow_list, list) {