(unsigned long long)val << bit_pos, no_reply);
}
+static void mk_abort_req_ulp(struct cpl_abort_req *abort_req, unsigned int tid)
+{
+ struct ulp_txpkt *txpkt = (struct ulp_txpkt *)abort_req;
+ struct ulptx_idata *sc = (struct ulptx_idata *)(txpkt + 1);
+
+ txpkt->cmd_dest = htonl(ULPTX_CMD_V(ULP_TX_PKT) | ULP_TXPKT_DEST_V(0));
+ txpkt->len = htonl(DIV_ROUND_UP(sizeof(*abort_req), 16));
+ sc->cmd_more = htonl(ULPTX_CMD_V(ULP_TX_SC_IMM));
+ sc->len = htonl(sizeof(*abort_req) - sizeof(struct work_request_hdr));
+ OPCODE_TID(abort_req) = htonl(MK_OPCODE_TID(CPL_ABORT_REQ, tid));
+ abort_req->rsvd0 = htonl(0);
+ abort_req->rsvd1 = 0;
+ abort_req->cmd = CPL_ABORT_NO_RST;
+}
+
+static void mk_abort_rpl_ulp(struct cpl_abort_rpl *abort_rpl, unsigned int tid)
+{
+ struct ulp_txpkt *txpkt = (struct ulp_txpkt *)abort_rpl;
+ struct ulptx_idata *sc = (struct ulptx_idata *)(txpkt + 1);
+
+ txpkt->cmd_dest = htonl(ULPTX_CMD_V(ULP_TX_PKT) | ULP_TXPKT_DEST_V(0));
+ txpkt->len = htonl(DIV_ROUND_UP(sizeof(*abort_rpl), 16));
+ sc->cmd_more = htonl(ULPTX_CMD_V(ULP_TX_SC_IMM));
+ sc->len = htonl(sizeof(*abort_rpl) - sizeof(struct work_request_hdr));
+ OPCODE_TID(abort_rpl) = htonl(MK_OPCODE_TID(CPL_ABORT_RPL, tid));
+ abort_rpl->rsvd0 = htonl(0);
+ abort_rpl->rsvd1 = 0;
+ abort_rpl->cmd = CPL_ABORT_NO_RST;
+}
+
+static void mk_set_tcb_ulp(struct filter_entry *f,
+ struct cpl_set_tcb_field *req,
+ unsigned int word, u64 mask, u64 val,
+ u8 cookie, int no_reply)
+{
+ struct ulp_txpkt *txpkt = (struct ulp_txpkt *)req;
+ struct ulptx_idata *sc = (struct ulptx_idata *)(txpkt + 1);
+
+ txpkt->cmd_dest = htonl(ULPTX_CMD_V(ULP_TX_PKT) | ULP_TXPKT_DEST_V(0));
+ txpkt->len = htonl(DIV_ROUND_UP(sizeof(*req), 16));
+ sc->cmd_more = htonl(ULPTX_CMD_V(ULP_TX_SC_IMM));
+ sc->len = htonl(sizeof(*req) - sizeof(struct work_request_hdr));
+ OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_SET_TCB_FIELD, f->tid));
+ req->reply_ctrl = htons(NO_REPLY_V(no_reply) | REPLY_CHAN_V(0) |
+ QUEUENO_V(0));
+ req->word_cookie = htons(TCB_WORD_V(word) | TCB_COOKIE_V(cookie));
+ req->mask = cpu_to_be64(mask);
+ req->val = cpu_to_be64(val);
+ sc = (struct ulptx_idata *)(req + 1);
+ sc->cmd_more = htonl(ULPTX_CMD_V(ULP_TX_SC_NOOP));
+ sc->len = htonl(0);
+}
+
static int configure_filter_smac(struct adapter *adap, struct filter_entry *f)
{
int err;
return ret;
}
+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;
+}
+
/* Check a delete filter request for validity and send it to the hardware.
* Return 0 on success, an error number otherwise. We attach any provided
* filter operation context to the internal filter specification in order to
* facilitate signaling completion of the operation.
*/
int __cxgb4_del_filter(struct net_device *dev, int filter_id,
+ struct ch_filter_specification *fs,
struct filter_ctx *ctx)
{
struct adapter *adapter = netdev2adap(dev);
unsigned int max_fidx;
int ret;
+ if (fs && fs->hash) {
+ if (is_hashfilter(adapter))
+ return cxgb4_del_hash_filter(dev, filter_id, ctx);
+ netdev_err(dev, "%s: Exact-match filters only supported with Hash Filter configuration\n",
+ __func__);
+ return -EINVAL;
+ }
+
max_fidx = adapter->tids.nftids;
if (filter_id != (max_fidx + adapter->tids.nsftids - 1) &&
filter_id >= max_fidx)
return ret;
}
-int cxgb4_del_filter(struct net_device *dev, int filter_id)
+int cxgb4_del_filter(struct net_device *dev, int filter_id,
+ struct ch_filter_specification *fs)
{
struct filter_ctx ctx;
int ret;
/* If we are shutting down the adapter do not wait for completion */
if (netdev2adap(dev)->flags & SHUTTING_DOWN)
- return __cxgb4_del_filter(dev, filter_id, NULL);
+ return __cxgb4_del_filter(dev, filter_id, fs, NULL);
init_completion(&ctx.completion);
- ret = __cxgb4_del_filter(dev, filter_id, &ctx);
+ ret = __cxgb4_del_filter(dev, filter_id, fs, &ctx);
if (ret)
goto out;
return 0;
}
+void hash_del_filter_rpl(struct adapter *adap,
+ const struct cpl_abort_rpl_rss *rpl)
+{
+ unsigned int status = rpl->status;
+ struct tid_info *t = &adap->tids;
+ unsigned int tid = GET_TID(rpl);
+ struct filter_ctx *ctx = NULL;
+ struct filter_entry *f;
+
+ dev_dbg(adap->pdev_dev, "%s: status = %u; tid = %u\n",
+ __func__, status, tid);
+
+ f = lookup_tid(t, tid);
+ if (!f) {
+ dev_err(adap->pdev_dev, "%s:could not find filter entry",
+ __func__);
+ return;
+ }
+ ctx = f->ctx;
+ f->ctx = NULL;
+ clear_filter(adap, f);
+ cxgb4_remove_tid(t, 0, tid, 0);
+ kfree(f);
+ if (ctx) {
+ ctx->result = 0;
+ complete(&ctx->completion);
+ }
+}
+
void hash_filter_rpl(struct adapter *adap, const struct cpl_act_open_rpl *rpl)
{
unsigned int ftid = TID_TID_G(AOPEN_ATID_G(ntohl(rpl->atid_status)));