static int cxgb4_del_hash_filter(struct net_device *dev, int filter_id, struct filter_ctx *ctx) { struct adapter *adapter = netdev2adap(dev); struct tid_info *t = &adapter->tids; struct cpl_abort_req *abort_req; struct cpl_abort_rpl *abort_rpl; struct cpl_set_tcb_field *req; struct ulptx_idata *aligner; struct work_request_hdr *wr; struct filter_entry *f; struct sk_buff *skb; unsigned int wrlen; int ret; netdev_dbg(dev, "%s: filter_id = %d ; nftids = %d\n", __func__, filter_id, adapter->tids.nftids); if (filter_id > adapter->tids.ntids) return -E2BIG; f = lookup_tid(t, filter_id); if (!f) { netdev_err(dev, "%s: no filter entry for filter_id = %d", __func__, filter_id); return -EINVAL; } ret = writable_filter(f); if (ret) return ret; if (!f->valid) return -EINVAL; f->ctx = ctx; f->pending = 1; wrlen = roundup(sizeof(*wr) + (sizeof(*req) + sizeof(*aligner)) + sizeof(*abort_req) + sizeof(*abort_rpl), 16); skb = alloc_skb(wrlen, GFP_KERNEL); if (!skb) { netdev_err(dev, "%s: could not allocate skb ..\n", __func__); return -ENOMEM; } set_wr_txq(skb, CPL_PRIORITY_CONTROL, f->fs.val.iport & 0x3); req = (struct cpl_set_tcb_field *)__skb_put(skb, wrlen); INIT_ULPTX_WR(req, wrlen, 0, 0); wr = (struct work_request_hdr *)req; wr++; req = (struct cpl_set_tcb_field *)wr; mk_set_tcb_ulp(f, req, TCB_RSS_INFO_W, TCB_RSS_INFO_V(TCB_RSS_INFO_M), TCB_RSS_INFO_V(adapter->sge.fw_evtq.abs_id), 0, 1); aligner = (struct ulptx_idata *)(req + 1); abort_req = (struct cpl_abort_req *)(aligner + 1); mk_abort_req_ulp(abort_req, f->tid); abort_rpl = (struct cpl_abort_rpl *)(abort_req + 1); mk_abort_rpl_ulp(abort_rpl, f->tid); t4_ofld_send(adapter, skb); return 0; }
/** * Delete the specified hash filter. */ static int cxgbe_del_hash_filter(struct rte_eth_dev *dev, unsigned int filter_id, struct filter_ctx *ctx) { struct adapter *adapter = ethdev2adap(dev); struct tid_info *t = &adapter->tids; struct filter_entry *f; struct sge_ctrl_txq *ctrlq; unsigned int port_id = ethdev2pinfo(dev)->port_id; int ret; if (filter_id > adapter->tids.ntids) return -E2BIG; f = lookup_tid(t, filter_id); if (!f) { dev_err(adapter, "%s: no filter entry for filter_id = %d\n", __func__, filter_id); return -EINVAL; } ret = writable_filter(f); if (ret) return ret; if (f->valid) { unsigned int wrlen; struct rte_mbuf *mbuf; struct work_request_hdr *wr; struct ulptx_idata *aligner; struct cpl_set_tcb_field *req; struct cpl_abort_req *abort_req; struct cpl_abort_rpl *abort_rpl; f->ctx = ctx; f->pending = 1; wrlen = cxgbe_roundup(sizeof(*wr) + (sizeof(*req) + sizeof(*aligner)) + sizeof(*abort_req) + sizeof(*abort_rpl), 16); ctrlq = &adapter->sge.ctrlq[port_id]; mbuf = rte_pktmbuf_alloc(ctrlq->mb_pool); if (!mbuf) { dev_err(adapter, "%s: could not allocate skb ..\n", __func__); goto out_err; } mbuf->data_len = wrlen; mbuf->pkt_len = mbuf->data_len; req = rte_pktmbuf_mtod(mbuf, struct cpl_set_tcb_field *); INIT_ULPTX_WR(req, wrlen, 0, 0); wr = (struct work_request_hdr *)req; wr++; req = (struct cpl_set_tcb_field *)wr; mk_set_tcb_field_ulp(f, req, W_TCB_RSS_INFO, V_TCB_RSS_INFO(M_TCB_RSS_INFO), V_TCB_RSS_INFO(adapter->sge.fw_evtq.abs_id), 0, 1); aligner = (struct ulptx_idata *)(req + 1); abort_req = (struct cpl_abort_req *)(aligner + 1); mk_abort_req_ulp(abort_req, f->tid); abort_rpl = (struct cpl_abort_rpl *)(abort_req + 1); mk_abort_rpl_ulp(abort_rpl, f->tid); t4_mgmt_tx(ctrlq, mbuf); }