* Write an L2T entry. Must be called with the entry locked. * The write may be synchronous or asynchronous. */
| 51 | * The write may be synchronous or asynchronous. |
| 52 | */ |
| 53 | static int write_l2e(struct rte_eth_dev *dev, struct l2t_entry *e, int sync, |
| 54 | bool loopback, bool arpmiss) |
| 55 | { |
| 56 | struct adapter *adap = ethdev2adap(dev); |
| 57 | struct l2t_data *d = adap->l2t; |
| 58 | struct rte_mbuf *mbuf; |
| 59 | struct cpl_l2t_write_req *req; |
| 60 | struct sge_ctrl_txq *ctrlq; |
| 61 | unsigned int l2t_idx = e->idx + d->l2t_start; |
| 62 | unsigned int port_id = ethdev2pinfo(dev)->port_id; |
| 63 | |
| 64 | ctrlq = &adap->sge.ctrlq[port_id]; |
| 65 | mbuf = rte_pktmbuf_alloc(ctrlq->mb_pool); |
| 66 | if (!mbuf) |
| 67 | return -ENOMEM; |
| 68 | |
| 69 | mbuf->data_len = sizeof(*req); |
| 70 | mbuf->pkt_len = mbuf->data_len; |
| 71 | |
| 72 | req = rte_pktmbuf_mtod(mbuf, struct cpl_l2t_write_req *); |
| 73 | INIT_TP_WR(req, 0); |
| 74 | |
| 75 | OPCODE_TID(req) = |
| 76 | cpu_to_be32(MK_OPCODE_TID(CPL_L2T_WRITE_REQ, |
| 77 | l2t_idx | V_SYNC_WR(sync) | |
| 78 | V_TID_QID(adap->sge.fw_evtq.abs_id))); |
| 79 | req->params = cpu_to_be16(V_L2T_W_PORT(e->lport) | |
| 80 | V_L2T_W_LPBK(loopback) | |
| 81 | V_L2T_W_ARPMISS(arpmiss) | |
| 82 | V_L2T_W_NOREPLY(!sync)); |
| 83 | req->l2t_idx = cpu_to_be16(l2t_idx); |
| 84 | req->vlan = cpu_to_be16(e->vlan); |
| 85 | rte_memcpy(req->dst_mac, e->dmac, RTE_ETHER_ADDR_LEN); |
| 86 | |
| 87 | if (loopback) |
| 88 | memset(req->dst_mac, 0, RTE_ETHER_ADDR_LEN); |
| 89 | |
| 90 | t4_mgmt_tx(ctrlq, mbuf); |
| 91 | |
| 92 | if (sync && e->state != L2T_STATE_SWITCHING) |
| 93 | e->state = L2T_STATE_SYNC_WRITE; |
| 94 | |
| 95 | return 0; |
| 96 | } |
| 97 | |
| 98 | /** |
| 99 | * find_or_alloc_l2e - Find/Allocate a free L2T entry |
no test coverage detected