net/cxgbe: support flow API for source MAC rewrite

[dpdk.git] / drivers / net / cxgbe / cxgbe_filter.c

diff --git a/drivers/net/cxgbe/cxgbe_filter.c b/drivers/net/cxgbe/cxgbe_filter.c
index b009217..c5f5e41 100644 (file)
--- a/drivers/net/cxgbe/cxgbe_filter.c
+++ b/drivers/net/cxgbe/cxgbe_filter.c
@@ -10,6 +10,7 @@
 #include "cxgbe_filter.h"
 #include "clip_tbl.h"
 #include "l2t.h"
+#include "smt.h"
 
 /**
  * Initialize Hash Filters
@@ -604,6 +605,17 @@ static int cxgbe_set_hash_filter(struct rte_eth_dev *dev,
                }
        }
 
+       /* If the new filter requires Source MAC rewriting then we need to
+        * allocate a SMT entry for the filter
+        */
+       if (f->fs.newsmac) {
+               f->smt = cxgbe_smt_alloc_switching(f->dev, f->fs.smac);
+               if (!f->smt) {
+                       ret = -EAGAIN;
+                       goto out_err;
+               }
+       }
+
        atid = cxgbe_alloc_atid(t, f);
        if (atid < 0)
                goto out_err;
@@ -758,6 +770,20 @@ static int set_filter_wr(struct rte_eth_dev *dev, unsigned int fidx)
                        return -ENOMEM;
        }
 
+       /* If the new filter requires Source MAC rewriting then we need to
+        * allocate a SMT entry for the filter
+        */
+       if (f->fs.newsmac) {
+               f->smt = cxgbe_smt_alloc_switching(f->dev, f->fs.smac);
+               if (!f->smt) {
+                       if (f->l2t) {
+                               cxgbe_l2t_release(f->l2t);
+                               f->l2t = NULL;
+                       }
+                       return -ENOMEM;
+               }
+       }
+
        ctrlq = &adapter->sge.ctrlq[port_id];
        mbuf = rte_pktmbuf_alloc(ctrlq->mb_pool);
        if (!mbuf) {
@@ -788,6 +814,7 @@ static int set_filter_wr(struct rte_eth_dev *dev, unsigned int fidx)
                cpu_to_be32(V_FW_FILTER_WR_DROP(f->fs.action == FILTER_DROP) |
                            V_FW_FILTER_WR_DIRSTEER(f->fs.dirsteer) |
                            V_FW_FILTER_WR_LPBK(f->fs.action == FILTER_SWITCH) |
+                           V_FW_FILTER_WR_SMAC(f->fs.newsmac) |
                            V_FW_FILTER_WR_DMAC(f->fs.newdmac) |
                            V_FW_FILTER_WR_INSVLAN
                                (f->fs.newvlan == VLAN_INSERT ||
@@ -806,7 +833,7 @@ static int set_filter_wr(struct rte_eth_dev *dev, unsigned int fidx)
                 V_FW_FILTER_WR_IVLAN_VLDM(f->fs.mask.ivlan_vld) |
                 V_FW_FILTER_WR_OVLAN_VLD(f->fs.val.ovlan_vld) |
                 V_FW_FILTER_WR_OVLAN_VLDM(f->fs.mask.ovlan_vld));
-       fwr->smac_sel = 0;
+       fwr->smac_sel = f->smt ? f->smt->hw_idx : 0;
        fwr->rx_chan_rx_rpl_iq =
                cpu_to_be16(V_FW_FILTER_WR_RX_CHAN(0) |
                            V_FW_FILTER_WR_RX_RPL_IQ(adapter->sge.fw_evtq.abs_id
@@ -1144,6 +1171,12 @@ void cxgbe_hash_filter_rpl(struct adapter *adap,
                if (f->fs.newvlan == VLAN_INSERT ||
                    f->fs.newvlan == VLAN_REWRITE)
                        set_tcb_tflag(adap, tid, S_TF_CCTRL_RFR, 1, 1);
+               if (f->fs.newsmac) {
+                       set_tcb_tflag(adap, tid, S_TF_CCTRL_CWR, 1, 1);
+                       set_tcb_field(adap, tid, W_TCB_SMAC_SEL,
+                                     V_TCB_SMAC_SEL(M_TCB_SMAC_SEL),
+                                     V_TCB_SMAC_SEL(f->smt->hw_idx), 1);
+               }
                break;
        }
        default: