From: Karra Satwik <kaara.sat...@chelsio.com>
Add support for overwriting destination MAC addresses.
The new MAC address is written into a free entry in the
L2T table and the corresponding L2T index is used by
hardware to overwrite the destination MAC address of the
packets hitting the flow
Signed-off-by: Karra Satwik <kaara.sat...@chelsio.com>
Signed-off-by: Rahul Lakkireddy <rahul.lakkire...@chelsio.com>
---
drivers/net/cxgbe/base/t4_tcb.h | 2 ++
drivers/net/cxgbe/cxgbe_filter.c | 8 ++++++--
drivers/net/cxgbe/cxgbe_filter.h | 1 +
drivers/net/cxgbe/cxgbe_flow.c | 14 ++++++++++++++
4 files changed, 23 insertions(+), 2 deletions(-)
diff --git a/drivers/net/cxgbe/base/t4_tcb.h b/drivers/net/cxgbe/base/t4_tcb.h
index 3c590e053..834169ab4 100644
--- a/drivers/net/cxgbe/base/t4_tcb.h
+++ b/drivers/net/cxgbe/base/t4_tcb.h
@@ -32,6 +32,8 @@
#define M_TCB_T_RTSEQ_RECENT 0xffffffffULL
#define V_TCB_T_RTSEQ_RECENT(x) ((x) << S_TCB_T_RTSEQ_RECENT)
+#define S_TF_CCTRL_ECE 60
+
#define S_TF_CCTRL_RFR 62
#endif /* _T4_TCB_DEFS_H */
diff --git a/drivers/net/cxgbe/cxgbe_filter.c b/drivers/net/cxgbe/cxgbe_filter.c
index 9c10520b2..b009217f8 100644
--- a/drivers/net/cxgbe/cxgbe_filter.c
+++ b/drivers/net/cxgbe/cxgbe_filter.c
@@ -593,7 +593,7 @@ static int cxgbe_set_hash_filter(struct rte_eth_dev *dev,
* rewriting then we need to allocate a Layer 2 Table (L2T) entry for
* the filter.
*/
- if (f->fs.newvlan == VLAN_INSERT ||
+ if (f->fs.newdmac || f->fs.newvlan == VLAN_INSERT ||
f->fs.newvlan == VLAN_REWRITE) {
/* allocate L2T entry for new filter */
f->l2t = cxgbe_l2t_alloc_switching(dev, f->fs.vlan,
@@ -749,10 +749,11 @@ static int set_filter_wr(struct rte_eth_dev *dev,
unsigned int fidx)
* rewriting then we need to allocate a Layer 2 Table (L2T) entry for
* the filter.
*/
- if (f->fs.newvlan) {
+ if (f->fs.newvlan || f->fs.newdmac) {
/* allocate L2T entry for new filter */
f->l2t = cxgbe_l2t_alloc_switching(f->dev, f->fs.vlan,
f->fs.eport, f->fs.dmac);
+
if (!f->l2t)
return -ENOMEM;
}
@@ -787,6 +788,7 @@ 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_DMAC(f->fs.newdmac) |
V_FW_FILTER_WR_INSVLAN
(f->fs.newvlan == VLAN_INSERT ||
f->fs.newvlan == VLAN_REWRITE) |
@@ -1137,6 +1139,8 @@ void cxgbe_hash_filter_rpl(struct adapter *adap,
V_TCB_TIMESTAMP(0ULL) |
V_TCB_T_RTT_TS_RECENT_AGE(0ULL),
1);
+ if (f->fs.newdmac)
+ set_tcb_tflag(adap, tid, S_TF_CCTRL_ECE, 1, 1);
if (f->fs.newvlan == VLAN_INSERT ||
f->fs.newvlan == VLAN_REWRITE)
set_tcb_tflag(adap, tid, S_TF_CCTRL_RFR, 1, 1);
diff --git a/drivers/net/cxgbe/cxgbe_filter.h b/drivers/net/cxgbe/cxgbe_filter.h
index 6b1bf25e2..7a1e72ded 100644
--- a/drivers/net/cxgbe/cxgbe_filter.h
+++ b/drivers/net/cxgbe/cxgbe_filter.h
@@ -100,6 +100,7 @@ struct ch_filter_specification {
uint32_t iq:10; /* ingress queue */
uint32_t eport:2; /* egress port to switch packet out */
+ uint32_t newdmac:1; /* rewrite destination MAC address */
uint32_t swapmac:1; /* swap SMAC/DMAC for loopback packet */
uint32_t newvlan:2; /* rewrite VLAN Tag */
uint8_t dmac[RTE_ETHER_ADDR_LEN]; /* new destination MAC address */
diff --git a/drivers/net/cxgbe/cxgbe_flow.c b/drivers/net/cxgbe/cxgbe_flow.c
index 3e27a3f68..b009005c5 100644
--- a/drivers/net/cxgbe/cxgbe_flow.c
+++ b/drivers/net/cxgbe/cxgbe_flow.c
@@ -647,6 +647,7 @@ ch_rte_parse_atype_switch(const struct rte_flow_action *a,
const struct rte_flow_action_set_ipv6 *ipv6;
const struct rte_flow_action_set_tp *tp_port;
const struct rte_flow_action_phy_port *port;
+ const struct rte_flow_action_set_mac *mac;
int item_index;
u16 tmp_vlan;
@@ -794,6 +795,18 @@ ch_rte_parse_atype_switch(const struct rte_flow_action *a,
"found");
fs->swapmac = 1;
break;
+ case RTE_FLOW_ACTION_TYPE_SET_MAC_DST:
+ item_index = cxgbe_get_flow_item_index(items,
+ RTE_FLOW_ITEM_TYPE_ETH);
+ if (item_index < 0)
+ return rte_flow_error_set(e, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION, a,
+ "No RTE_FLOW_ITEM_TYPE_ETH
found");
+ mac = (const struct rte_flow_action_set_mac *)a->conf;
+
+ fs->newdmac = 1;
+ memcpy(fs->dmac, mac->mac_addr, sizeof(fs->dmac));
+ break;
default:
/* We are not supposed to come here */
return rte_flow_error_set(e, EINVAL,
@@ -870,6 +883,7 @@ cxgbe_rtef_parse_actions(struct rte_flow *flow,
goto action_switch;
case RTE_FLOW_ACTION_TYPE_SET_TP_SRC:
case RTE_FLOW_ACTION_TYPE_SET_TP_DST:
+ case RTE_FLOW_ACTION_TYPE_SET_MAC_DST:
action_switch:
/* We allow multiple switch actions, but switch is
* not compatible with either queue or drop
--
2.25.0
