Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next

Pull networking updates from David Miller:
 "Highlights:

   1) Maintain the TCP retransmit queue using an rbtree, with 1GB
      windows at 100Gb this really has become necessary. From Eric
      Dumazet.

   2) Multi-program support for cgroup+bpf, from Alexei Starovoitov.

   3) Perform broadcast flooding in hardware in mv88e6xxx, from Andrew
      Lunn.

   4) Add meter action support to openvswitch, from Andy Zhou.

   5) Add a data meta pointer for BPF accessible packets, from Daniel
      Borkmann.

   6) Namespace-ify almost all TCP sysctl knobs, from Eric Dumazet.

   7) Turn on Broadcom Tags in b53 driver, from Florian Fainelli.

   8) More work to move the RTNL mutex down, from Florian Westphal.

   9) Add 'bpftool' utility, to help with bpf program introspection.
      From Jakub Kicinski.

  10) Add new 'cpumap' type for XDP_REDIRECT action, from Jesper
      Dangaard Brouer.

  11) Support 'blocks' of transformations in the packet scheduler which
      can span multiple network devices, from Jiri Pirko.

  12) TC flower offload support in cxgb4, from Kumar Sanghvi.

  13) Priority based stream scheduler for SCTP, from Marcelo Ricardo
      Leitner.

  14) Thunderbolt networking driver, from Amir Levy and Mika Westerberg.

  15) Add RED qdisc offloadability, and use it in mlxsw driver. From
      Nogah Frankel.

  16) eBPF based device controller for cgroup v2, from Roman Gushchin.

  17) Add some fundamental tracepoints for TCP, from Song Liu.

  18) Remove garbage collection from ipv6 route layer, this is a
      significant accomplishment. From Wei Wang.

  19) Add multicast route offload support to mlxsw, from Yotam Gigi"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (2177 commits)
  tcp: highest_sack fix
  geneve: fix fill_info when link down
  bpf: fix lockdep splat
  net: cdc_ncm: GetNtbFormat endian fix
  openvswitch: meter: fix NULL pointer dereference in ovs_meter_cmd_reply_start
  netem: remove unnecessary 64 bit modulus
  netem: use 64 bit divide by rate
  tcp: Namespace-ify sysctl_tcp_default_congestion_control
  net: Protect iterations over net::fib_notifier_ops in fib_seq_sum()
  ipv6: set all.accept_dad to 0 by default
  uapi: fix linux/tls.h userspace compilation error
  usbnet: ipheth: prevent TX queue timeouts when device not ready
  vhost_net: conditionally enable tx polling
  uapi: fix linux/rxrpc.h userspace compilation errors
  net: stmmac: fix LPI transitioning for dwmac4
  atm: horizon: Fix irq release error
  net-sysfs: trigger netlink notification on ifalias change via sysfs
  openvswitch: Using kfree_rcu() to simplify the code
  openvswitch: Make local function ovs_nsh_key_attr_size() static
  openvswitch: Fix return value check in ovs_meter_cmd_features()
  ...

1 files changed, 1031 insertions, 24 deletions

diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c
index 45b5853ca2f1..5980f308a253 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c
@@ -31,10 +31,15 @@
  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */
+#include <net/ipv6.h>
 
 #include "cxgb4.h"
 #include "t4_regs.h"
+#include "t4_tcb.h"
+#include "t4_values.h"
+#include "clip_tbl.h"
 #include "l2t.h"
+#include "smt.h"
 #include "t4fw_api.h"
 #include "cxgb4_filter.h"
 
@@ -48,6 +53,194 @@ static inline bool unsupported(u32 conf, u32 conf_mask, u32 val, u32 mask)
 	return !(conf & conf_mask) && is_field_set(val, mask);
 }
 
+static int set_tcb_field(struct adapter *adap, struct filter_entry *f,
+			 unsigned int ftid,  u16 word, u64 mask, u64 val,
+			 int no_reply)
+{
+	struct cpl_set_tcb_field *req;
+	struct sk_buff *skb;
+
+	skb = alloc_skb(sizeof(struct cpl_set_tcb_field), GFP_ATOMIC);
+	if (!skb)
+		return -ENOMEM;
+
+	req = (struct cpl_set_tcb_field *)__skb_put(skb, sizeof(*req));
+	memset(req, 0, sizeof(*req));
+	INIT_TP_WR_CPL(req, CPL_SET_TCB_FIELD, ftid);
+	req->reply_ctrl = htons(REPLY_CHAN_V(0) |
+				QUEUENO_V(adap->sge.fw_evtq.abs_id) |
+				NO_REPLY_V(no_reply));
+	req->word_cookie = htons(TCB_WORD_V(word) | TCB_COOKIE_V(ftid));
+	req->mask = cpu_to_be64(mask);
+	req->val = cpu_to_be64(val);
+	set_wr_txq(skb, CPL_PRIORITY_CONTROL, f->fs.val.iport & 0x3);
+	t4_ofld_send(adap, skb);
+	return 0;
+}
+
+/* Set one of the t_flags bits in the TCB.
+ */
+static int set_tcb_tflag(struct adapter *adap, struct filter_entry *f,
+			 unsigned int ftid, unsigned int bit_pos,
+			 unsigned int val, int no_reply)
+{
+	return set_tcb_field(adap, f, ftid,  TCB_T_FLAGS_W, 1ULL << bit_pos,
+			     (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;
+
+	/* do a set-tcb for smac-sel and CWR bit.. */
+	err = set_tcb_tflag(adap, f, f->tid, TF_CCTRL_CWR_S, 1, 1);
+	if (err)
+		goto smac_err;
+
+	err = set_tcb_field(adap, f, f->tid, TCB_SMAC_SEL_W,
+			    TCB_SMAC_SEL_V(TCB_SMAC_SEL_M),
+			    TCB_SMAC_SEL_V(f->smt->idx), 1);
+	if (!err)
+		return 0;
+
+smac_err:
+	dev_err(adap->pdev_dev, "filter %u smac config failed with error %u\n",
+		f->tid, err);
+	return err;
+}
+
+static void set_nat_params(struct adapter *adap, struct filter_entry *f,
+			   unsigned int tid, bool dip, bool sip, bool dp,
+			   bool sp)
+{
+	if (dip) {
+		if (f->fs.type) {
+			set_tcb_field(adap, f, tid, TCB_SND_UNA_RAW_W,
+				      WORD_MASK, f->fs.nat_lip[15] |
+				      f->fs.nat_lip[14] << 8 |
+				      f->fs.nat_lip[13] << 16 |
+				      f->fs.nat_lip[12] << 24, 1);
+
+			set_tcb_field(adap, f, tid, TCB_SND_UNA_RAW_W + 1,
+				      WORD_MASK, f->fs.nat_lip[11] |
+				      f->fs.nat_lip[10] << 8 |
+				      f->fs.nat_lip[9] << 16 |
+				      f->fs.nat_lip[8] << 24, 1);
+
+			set_tcb_field(adap, f, tid, TCB_SND_UNA_RAW_W + 2,
+				      WORD_MASK, f->fs.nat_lip[7] |
+				      f->fs.nat_lip[6] << 8 |
+				      f->fs.nat_lip[5] << 16 |
+				      f->fs.nat_lip[4] << 24, 1);
+
+			set_tcb_field(adap, f, tid, TCB_SND_UNA_RAW_W + 3,
+				      WORD_MASK, f->fs.nat_lip[3] |
+				      f->fs.nat_lip[2] << 8 |
+				      f->fs.nat_lip[1] << 16 |
+				      f->fs.nat_lip[0] << 24, 1);
+		} else {
+			set_tcb_field(adap, f, tid, TCB_RX_FRAG3_LEN_RAW_W,
+				      WORD_MASK, f->fs.nat_lip[3] |
+				      f->fs.nat_lip[2] << 8 |
+				      f->fs.nat_lip[1] << 16 |
+				      f->fs.nat_lip[0] << 24, 1);
+		}
+	}
+
+	if (sip) {
+		if (f->fs.type) {
+			set_tcb_field(adap, f, tid, TCB_RX_FRAG2_PTR_RAW_W,
+				      WORD_MASK, f->fs.nat_fip[15] |
+				      f->fs.nat_fip[14] << 8 |
+				      f->fs.nat_fip[13] << 16 |
+				      f->fs.nat_fip[12] << 24, 1);
+
+			set_tcb_field(adap, f, tid, TCB_RX_FRAG2_PTR_RAW_W + 1,
+				      WORD_MASK, f->fs.nat_fip[11] |
+				      f->fs.nat_fip[10] << 8 |
+				      f->fs.nat_fip[9] << 16 |
+				      f->fs.nat_fip[8] << 24, 1);
+
+			set_tcb_field(adap, f, tid, TCB_RX_FRAG2_PTR_RAW_W + 2,
+				      WORD_MASK, f->fs.nat_fip[7] |
+				      f->fs.nat_fip[6] << 8 |
+				      f->fs.nat_fip[5] << 16 |
+				      f->fs.nat_fip[4] << 24, 1);
+
+			set_tcb_field(adap, f, tid, TCB_RX_FRAG2_PTR_RAW_W + 3,
+				      WORD_MASK, f->fs.nat_fip[3] |
+				      f->fs.nat_fip[2] << 8 |
+				      f->fs.nat_fip[1] << 16 |
+				      f->fs.nat_fip[0] << 24, 1);
+
+		} else {
+			set_tcb_field(adap, f, tid,
+				      TCB_RX_FRAG3_START_IDX_OFFSET_RAW_W,
+				      WORD_MASK, f->fs.nat_fip[3] |
+				      f->fs.nat_fip[2] << 8 |
+				      f->fs.nat_fip[1] << 16 |
+				      f->fs.nat_fip[0] << 24, 1);
+		}
+	}
+
+	set_tcb_field(adap, f, tid, TCB_PDU_HDR_LEN_W, WORD_MASK,
+		      (dp ? f->fs.nat_lport : 0) |
+		      (sp ? f->fs.nat_fport << 16 : 0), 1);
+}
+
 /* Validate filter spec against configuration done on the card. */
 static int validate_filter(struct net_device *dev,
 			   struct ch_filter_specification *fs)
@@ -148,6 +341,116 @@ static int get_filter_steerq(struct net_device *dev,
 	return iq;
 }
 
+static int get_filter_count(struct adapter *adapter, unsigned int fidx,
+			    u64 *pkts, u64 *bytes, bool hash)
+{
+	unsigned int tcb_base, tcbaddr;
+	unsigned int word_offset;
+	struct filter_entry *f;
+	__be64 be64_byte_count;
+	int ret;
+
+	tcb_base = t4_read_reg(adapter, TP_CMM_TCB_BASE_A);
+	if (is_hashfilter(adapter) && hash) {
+		if (fidx < adapter->tids.ntids) {
+			f = adapter->tids.tid_tab[fidx];
+			if (!f)
+				return -EINVAL;
+		} else {
+			return -E2BIG;
+		}
+	} else {
+		if ((fidx != (adapter->tids.nftids +
+			      adapter->tids.nsftids - 1)) &&
+		    fidx >= adapter->tids.nftids)
+			return -E2BIG;
+
+		f = &adapter->tids.ftid_tab[fidx];
+		if (!f->valid)
+			return -EINVAL;
+	}
+	tcbaddr = tcb_base + f->tid * TCB_SIZE;
+
+	spin_lock(&adapter->win0_lock);
+	if (is_t4(adapter->params.chip)) {
+		__be64 be64_count;
+
+		/* T4 doesn't maintain byte counts in hw */
+		*bytes = 0;
+
+		/* Get pkts */
+		word_offset = 4;
+		ret = t4_memory_rw(adapter, MEMWIN_NIC, MEM_EDC0,
+				   tcbaddr + (word_offset * sizeof(__be32)),
+				   sizeof(be64_count),
+				   (__be32 *)&be64_count,
+				   T4_MEMORY_READ);
+		if (ret < 0)
+			goto out;
+		*pkts = be64_to_cpu(be64_count);
+	} else {
+		__be32 be32_count;
+
+		/* Get bytes */
+		word_offset = 4;
+		ret = t4_memory_rw(adapter, MEMWIN_NIC, MEM_EDC0,
+				   tcbaddr + (word_offset * sizeof(__be32)),
+				   sizeof(be64_byte_count),
+				   &be64_byte_count,
+				   T4_MEMORY_READ);
+		if (ret < 0)
+			goto out;
+		*bytes = be64_to_cpu(be64_byte_count);
+
+		/* Get pkts */
+		word_offset = 6;
+		ret = t4_memory_rw(adapter, MEMWIN_NIC, MEM_EDC0,
+				   tcbaddr + (word_offset * sizeof(__be32)),
+				   sizeof(be32_count),
+				   &be32_count,
+				   T4_MEMORY_READ);
+		if (ret < 0)
+			goto out;
+		*pkts = (u64)be32_to_cpu(be32_count);
+	}
+
+out:
+	spin_unlock(&adapter->win0_lock);
+	return ret;
+}
+
+int cxgb4_get_filter_counters(struct net_device *dev, unsigned int fidx,
+			      u64 *hitcnt, u64 *bytecnt, bool hash)
+{
+	struct adapter *adapter = netdev2adap(dev);
+
+	return get_filter_count(adapter, fidx, hitcnt, bytecnt, hash);
+}
+
+int cxgb4_get_free_ftid(struct net_device *dev, int family)
+{
+	struct adapter *adap = netdev2adap(dev);
+	struct tid_info *t = &adap->tids;
+	int ftid;
+
+	spin_lock_bh(&t->ftid_lock);
+	if (family == PF_INET) {
+		ftid = find_first_zero_bit(t->ftid_bmap, t->nftids);
+		if (ftid >= t->nftids)
+			ftid = -1;
+	} else {
+		ftid = bitmap_find_free_region(t->ftid_bmap, t->nftids, 2);
+		if (ftid < 0)
+			goto out_unlock;
+
+		/* this is only a lookup, keep the found region unallocated */
+		bitmap_release_region(t->ftid_bmap, ftid, 2);
+	}
+out_unlock:
+	spin_unlock_bh(&t->ftid_lock);
+	return ftid;
+}
+
 static int cxgb4_set_ftid(struct tid_info *t, int fidx, int family)
 {
 	spin_lock_bh(&t->ftid_lock);
@@ -191,7 +494,8 @@ static int del_filter_wr(struct adapter *adapter, int fidx)
 		return -ENOMEM;
 
 	fwr = __skb_put(skb, len);
-	t4_mk_filtdelwr(f->tid, fwr, adapter->sge.fw_evtq.abs_id);
+	t4_mk_filtdelwr(f->tid, fwr, (adapter->flags & SHUTTING_DOWN) ? -1
+			: adapter->sge.fw_evtq.abs_id);
 
 	/* Mark the filter as "pending" and ship off the Filter Work Request.
 	 * When we get the Work Request Reply we'll clear the pending status.
@@ -210,7 +514,7 @@ static int del_filter_wr(struct adapter *adapter, int fidx)
 int set_filter_wr(struct adapter *adapter, int fidx)
 {
 	struct filter_entry *f = &adapter->tids.ftid_tab[fidx];
-	struct fw_filter_wr *fwr;
+	struct fw_filter2_wr *fwr;
 	struct sk_buff *skb;
 
 	skb = alloc_skb(sizeof(*fwr), GFP_KERNEL);
@@ -231,6 +535,21 @@ int set_filter_wr(struct adapter *adapter, int fidx)
 		}
 	}
 
+	/* If the new filter requires loopback Source MAC rewriting then
+	 * we need to allocate a SMT entry for the filter.
+	 */
+	if (f->fs.newsmac) {
+		f->smt = cxgb4_smt_alloc_switching(f->dev, f->fs.smac);
+		if (!f->smt) {
+			if (f->l2t) {
+				cxgb4_l2t_release(f->l2t);
+				f->l2t = NULL;
+			}
+			kfree_skb(skb);
+			return -ENOMEM;
+		}
+	}
+
 	fwr = __skb_put_zero(skb, sizeof(*fwr));
 
 	/* It would be nice to put most of the following in t4_hw.c but most
@@ -241,7 +560,10 @@ int set_filter_wr(struct adapter *adapter, int fidx)
 	 * filter specification structure but for now it's easiest to simply
 	 * put this fairly direct code in line ...
 	 */
-	fwr->op_pkd = htonl(FW_WR_OP_V(FW_FILTER_WR));
+	if (adapter->params.filter2_wr_support)
+		fwr->op_pkd = htonl(FW_WR_OP_V(FW_FILTER2_WR));
+	else
+		fwr->op_pkd = htonl(FW_WR_OP_V(FW_FILTER_WR));
 	fwr->len16_pkd = htonl(FW_WR_LEN16_V(sizeof(*fwr) / 16));
 	fwr->tid_to_iq =
 		htonl(FW_FILTER_WR_TID_V(f->tid) |
@@ -256,7 +578,6 @@ int set_filter_wr(struct adapter *adapter, int fidx)
 		      FW_FILTER_WR_DIRSTEERHASH_V(f->fs.dirsteerhash) |
 		      FW_FILTER_WR_LPBK_V(f->fs.action == FILTER_SWITCH) |
 		      FW_FILTER_WR_DMAC_V(f->fs.newdmac) |
-		      FW_FILTER_WR_SMAC_V(f->fs.newsmac) |
 		      FW_FILTER_WR_INSVLAN_V(f->fs.newvlan == VLAN_INSERT ||
 					     f->fs.newvlan == VLAN_REWRITE) |
 		      FW_FILTER_WR_RMVLAN_V(f->fs.newvlan == VLAN_REMOVE ||
@@ -303,8 +624,18 @@ int set_filter_wr(struct adapter *adapter, int fidx)
 	fwr->lpm = htons(f->fs.mask.lport);
 	fwr->fp = htons(f->fs.val.fport);
 	fwr->fpm = htons(f->fs.mask.fport);
-	if (f->fs.newsmac)
-		memcpy(fwr->sma, f->fs.smac, sizeof(fwr->sma));
+
+	if (adapter->params.filter2_wr_support) {
+		fwr->natmode_to_ulp_type =
+			FW_FILTER2_WR_ULP_TYPE_V(f->fs.nat_mode ?
+						 ULP_MODE_TCPDDP :
+						 ULP_MODE_NONE) |
+			FW_FILTER2_WR_NATMODE_V(f->fs.nat_mode);
+		memcpy(fwr->newlip, f->fs.nat_lip, sizeof(fwr->newlip));
+		memcpy(fwr->newfip, f->fs.nat_fip, sizeof(fwr->newfip));
+		fwr->newlport = htons(f->fs.nat_lport);
+		fwr->newfport = htons(f->fs.nat_fport);
+	}
 
 	/* Mark the filter as "pending" and ship off the Filter Work Request.
 	 * When we get the Work Request Reply we'll clear the pending status.
@@ -354,14 +685,18 @@ int delete_filter(struct adapter *adapter, unsigned int fidx)
 void clear_filter(struct adapter *adap, struct filter_entry *f)
 {
 	/* If the new or old filter have loopback rewriteing rules then we'll
-	 * need to free any existing Layer Two Table (L2T) entries of the old
-	 * filter rule.  The firmware will handle freeing up any Source MAC
-	 * Table (SMT) entries used for rewriting Source MAC Addresses in
-	 * loopback rules.
+	 * need to free any existing L2T, SMT, CLIP entries of filter
+	 * rule.
 	 */
 	if (f->l2t)
 		cxgb4_l2t_release(f->l2t);
 
+	if (f->smt)
+		cxgb4_smt_release(f->smt);
+
+	if (f->fs.hash && f->fs.type)
+		cxgb4_clip_release(f->dev, (const u32 *)&f->fs.val.lip, 1);
+
 	/* The zeroing of the filter rule below clears the filter valid,
 	 * pending, locked flags, l2t pointer, etc. so it's all we need for
 	 * this operation.
@@ -431,6 +766,418 @@ static void fill_default_mask(struct ch_filter_specification *fs)
 		fs->mask.fport = ~0;
 }
 
+static bool is_addr_all_mask(u8 *ipmask, int family)
+{
+	if (family == AF_INET) {
+		struct in_addr *addr;
+
+		addr = (struct in_addr *)ipmask;
+		if (addr->s_addr == 0xffffffff)
+			return true;
+	} else if (family == AF_INET6) {
+		struct in6_addr *addr6;
+
+		addr6 = (struct in6_addr *)ipmask;
+		if (addr6->s6_addr32[0] == 0xffffffff &&
+		    addr6->s6_addr32[1] == 0xffffffff &&
+		    addr6->s6_addr32[2] == 0xffffffff &&
+		    addr6->s6_addr32[3] == 0xffffffff)
+			return true;
+	}
+	return false;
+}
+
+static bool is_inaddr_any(u8 *ip, int family)
+{
+	int addr_type;
+
+	if (family == AF_INET) {
+		struct in_addr *addr;
+
+		addr = (struct in_addr *)ip;
+		if (addr->s_addr == htonl(INADDR_ANY))
+			return true;
+	} else if (family == AF_INET6) {
+		struct in6_addr *addr6;
+
+		addr6 = (struct in6_addr *)ip;
+		addr_type = ipv6_addr_type((const struct in6_addr *)
+					   &addr6);
+		if (addr_type == IPV6_ADDR_ANY)
+			return true;
+	}
+	return false;
+}
+
+bool is_filter_exact_match(struct adapter *adap,
+			   struct ch_filter_specification *fs)
+{
+	struct tp_params *tp = &adap->params.tp;
+	u64 hash_filter_mask = tp->hash_filter_mask;
+	u32 mask;
+
+	if (!is_hashfilter(adap))
+		return false;
+
+	if (fs->type) {
+		if (is_inaddr_any(fs->val.fip, AF_INET6) ||
+		    !is_addr_all_mask(fs->mask.fip, AF_INET6))
+			return false;
+
+		if (is_inaddr_any(fs->val.lip, AF_INET6) ||
+		    !is_addr_all_mask(fs->mask.lip, AF_INET6))
+			return false;
+	} else {
+		if (is_inaddr_any(fs->val.fip, AF_INET) ||
+		    !is_addr_all_mask(fs->mask.fip, AF_INET))
+			return false;
+
+		if (is_inaddr_any(fs->val.lip, AF_INET) ||
+		    !is_addr_all_mask(fs->mask.lip, AF_INET))
+			return false;
+	}
+
+	if (!fs->val.lport || fs->mask.lport != 0xffff)
+		return false;
+
+	if (!fs->val.fport || fs->mask.fport != 0xffff)
+		return false;
+
+	if (tp->fcoe_shift >= 0) {
+		mask = (hash_filter_mask >> tp->fcoe_shift) & FT_FCOE_W;
+		if (mask && !fs->mask.fcoe)
+			return false;
+	}
+
+	if (tp->port_shift >= 0) {
+		mask = (hash_filter_mask >> tp->port_shift) & FT_PORT_W;
+		if (mask && !fs->mask.iport)
+			return false;
+	}
+
+	if (tp->vnic_shift >= 0) {
+		mask = (hash_filter_mask >> tp->vnic_shift) & FT_VNIC_ID_W;
+
+		if ((adap->params.tp.ingress_config & VNIC_F)) {
+			if (mask && !fs->mask.pfvf_vld)
+				return false;
+		} else {
+			if (mask && !fs->mask.ovlan_vld)
+				return false;
+		}
+	}
+
+	if (tp->vlan_shift >= 0) {
+		mask = (hash_filter_mask >> tp->vlan_shift) & FT_VLAN_W;
+		if (mask && !fs->mask.ivlan)
+			return false;
+	}
+
+	if (tp->tos_shift >= 0) {
+		mask = (hash_filter_mask >> tp->tos_shift) & FT_TOS_W;
+		if (mask && !fs->mask.tos)
+			return false;
+	}
+
+	if (tp->protocol_shift >= 0) {
+		mask = (hash_filter_mask >> tp->protocol_shift) & FT_PROTOCOL_W;
+		if (mask && !fs->mask.proto)
+			return false;
+	}
+
+	if (tp->ethertype_shift >= 0) {
+		mask = (hash_filter_mask >> tp->ethertype_shift) &
+			FT_ETHERTYPE_W;
+		if (mask && !fs->mask.ethtype)
+			return false;
+	}
+
+	if (tp->macmatch_shift >= 0) {
+		mask = (hash_filter_mask >> tp->macmatch_shift) & FT_MACMATCH_W;
+		if (mask && !fs->mask.macidx)
+			return false;
+	}
+
+	if (tp->matchtype_shift >= 0) {
+		mask = (hash_filter_mask >> tp->matchtype_shift) &
+			FT_MPSHITTYPE_W;
+		if (mask && !fs->mask.matchtype)
+			return false;
+	}
+	if (tp->frag_shift >= 0) {
+		mask = (hash_filter_mask >> tp->frag_shift) &
+			FT_FRAGMENTATION_W;
+		if (mask && !fs->mask.frag)
+			return false;
+	}
+	return true;
+}
+
+static u64 hash_filter_ntuple(struct ch_filter_specification *fs,
+			      struct net_device *dev)
+{
+	struct adapter *adap = netdev2adap(dev);
+	struct tp_params *tp = &adap->params.tp;
+	u64 ntuple = 0;
+
+	/* Initialize each of the fields which we care about which are present
+	 * in the Compressed Filter Tuple.
+	 */
+	if (tp->vlan_shift >= 0 && fs->mask.ivlan)
+		ntuple |= (FT_VLAN_VLD_F | fs->val.ivlan) << tp->vlan_shift;
+
+	if (tp->port_shift >= 0 && fs->mask.iport)
+		ntuple |= (u64)fs->val.iport << tp->port_shift;
+
+	if (tp->protocol_shift >= 0) {
+		if (!fs->val.proto)
+			ntuple |= (u64)IPPROTO_TCP << tp->protocol_shift;
+		else
+			ntuple |= (u64)fs->val.proto << tp->protocol_shift;
+	}
+
+	if (tp->tos_shift >= 0 && fs->mask.tos)
+		ntuple |= (u64)(fs->val.tos) << tp->tos_shift;
+
+	if (tp->vnic_shift >= 0) {
+		if ((adap->params.tp.ingress_config & VNIC_F) &&
+		    fs->mask.pfvf_vld)
+			ntuple |= (u64)((fs->val.pfvf_vld << 16) |
+					(fs->val.pf << 13) |
+					(fs->val.vf)) << tp->vnic_shift;
+		else
+			ntuple |= (u64)((fs->val.ovlan_vld << 16) |
+					(fs->val.ovlan)) << tp->vnic_shift;
+	}
+
+	if (tp->macmatch_shift >= 0 && fs->mask.macidx)
+		ntuple |= (u64)(fs->val.macidx) << tp->macmatch_shift;
+
+	if (tp->ethertype_shift >= 0 && fs->mask.ethtype)
+		ntuple |= (u64)(fs->val.ethtype) << tp->ethertype_shift;
+
+	if (tp->matchtype_shift >= 0 && fs->mask.matchtype)
+		ntuple |= (u64)(fs->val.matchtype) << tp->matchtype_shift;
+
+	if (tp->frag_shift >= 0 && fs->mask.frag)
+		ntuple |= (u64)(fs->val.frag) << tp->frag_shift;
+
+	if (tp->fcoe_shift >= 0 && fs->mask.fcoe)
+		ntuple |= (u64)(fs->val.fcoe) << tp->fcoe_shift;
+	return ntuple;
+}
+
+static void mk_act_open_req6(struct filter_entry *f, struct sk_buff *skb,
+			     unsigned int qid_filterid, struct adapter *adap)
+{
+	struct cpl_t6_act_open_req6 *t6req = NULL;
+	struct cpl_act_open_req6 *req = NULL;
+
+	t6req = (struct cpl_t6_act_open_req6 *)__skb_put(skb, sizeof(*t6req));
+	INIT_TP_WR(t6req, 0);
+	req = (struct cpl_act_open_req6 *)t6req;
+	OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_ACT_OPEN_REQ6, qid_filterid));
+	req->local_port = cpu_to_be16(f->fs.val.lport);
+	req->peer_port = cpu_to_be16(f->fs.val.fport);
+	req->local_ip_hi = *(__be64 *)(&f->fs.val.lip);
+	req->local_ip_lo = *(((__be64 *)&f->fs.val.lip) + 1);
+	req->peer_ip_hi = *(__be64 *)(&f->fs.val.fip);
+	req->peer_ip_lo = *(((__be64 *)&f->fs.val.fip) + 1);
+	req->opt0 = cpu_to_be64(NAGLE_V(f->fs.newvlan == VLAN_REMOVE ||
+					f->fs.newvlan == VLAN_REWRITE) |
+				DELACK_V(f->fs.hitcnts) |
+				L2T_IDX_V(f->l2t ? f->l2t->idx : 0) |
+				SMAC_SEL_V((cxgb4_port_viid(f->dev) &
+					    0x7F) << 1) |
+				TX_CHAN_V(f->fs.eport) |
+				NO_CONG_V(f->fs.rpttid) |
+				ULP_MODE_V(f->fs.nat_mode ?
+					   ULP_MODE_TCPDDP : ULP_MODE_NONE) |
+				TCAM_BYPASS_F | NON_OFFLOAD_F);
+	t6req->params = cpu_to_be64(FILTER_TUPLE_V(hash_filter_ntuple(&f->fs,
+								      f->dev)));
+	t6req->opt2 = htonl(RSS_QUEUE_VALID_F |
+			    RSS_QUEUE_V(f->fs.iq) |
+			    TX_QUEUE_V(f->fs.nat_mode) |
+			    T5_OPT_2_VALID_F |
+			    RX_CHANNEL_F |
+			    CONG_CNTRL_V((f->fs.action == FILTER_DROP) |
+					 (f->fs.dirsteer << 1)) |
+			    PACE_V((f->fs.maskhash) |
+				   ((f->fs.dirsteerhash) << 1)) |
+			    CCTRL_ECN_V(f->fs.action == FILTER_SWITCH));
+}
+
+static void mk_act_open_req(struct filter_entry *f, struct sk_buff *skb,
+			    unsigned int qid_filterid, struct adapter *adap)
+{
+	struct cpl_t6_act_open_req *t6req = NULL;
+	struct cpl_act_open_req *req = NULL;
+
+	t6req = (struct cpl_t6_act_open_req *)__skb_put(skb, sizeof(*t6req));
+	INIT_TP_WR(t6req, 0);
+	req = (struct cpl_act_open_req *)t6req;
+	OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_ACT_OPEN_REQ, qid_filterid));
+	req->local_port = cpu_to_be16(f->fs.val.lport);
+	req->peer_port = cpu_to_be16(f->fs.val.fport);
+	req->local_ip = f->fs.val.lip[0] | f->fs.val.lip[1] << 8 |
+		f->fs.val.lip[2] << 16 | f->fs.val.lip[3] << 24;
+	req->peer_ip = f->fs.val.fip[0] | f->fs.val.fip[1] << 8 |
+		f->fs.val.fip[2] << 16 | f->fs.val.fip[3] << 24;
+	req->opt0 = cpu_to_be64(NAGLE_V(f->fs.newvlan == VLAN_REMOVE ||
+					f->fs.newvlan == VLAN_REWRITE) |
+				DELACK_V(f->fs.hitcnts) |
+				L2T_IDX_V(f->l2t ? f->l2t->idx : 0) |
+				SMAC_SEL_V((cxgb4_port_viid(f->dev) &
+					    0x7F) << 1) |
+				TX_CHAN_V(f->fs.eport) |
+				NO_CONG_V(f->fs.rpttid) |
+				ULP_MODE_V(f->fs.nat_mode ?
+					   ULP_MODE_TCPDDP : ULP_MODE_NONE) |
+				TCAM_BYPASS_F | NON_OFFLOAD_F);
+
+	t6req->params = cpu_to_be64(FILTER_TUPLE_V(hash_filter_ntuple(&f->fs,
+								      f->dev)));
+	t6req->opt2 = htonl(RSS_QUEUE_VALID_F |
+			    RSS_QUEUE_V(f->fs.iq) |
+			    TX_QUEUE_V(f->fs.nat_mode) |
+			    T5_OPT_2_VALID_F |
+			    RX_CHANNEL_F |
+			    CONG_CNTRL_V((f->fs.action == FILTER_DROP) |
+					 (f->fs.dirsteer << 1)) |
+			    PACE_V((f->fs.maskhash) |
+				   ((f->fs.dirsteerhash) << 1)) |
+			    CCTRL_ECN_V(f->fs.action == FILTER_SWITCH));
+}
+
+static int cxgb4_set_hash_filter(struct net_device *dev,
+				 struct ch_filter_specification *fs,
+				 struct filter_ctx *ctx)
+{
+	struct adapter *adapter = netdev2adap(dev);
+	struct tid_info *t = &adapter->tids;
+	struct filter_entry *f;
+	struct sk_buff *skb;
+	int iq, atid, size;
+	int ret = 0;
+	u32 iconf;
+
+	fill_default_mask(fs);
+	ret = validate_filter(dev, fs);
+	if (ret)
+		return ret;
+
+	iq = get_filter_steerq(dev, fs);
+	if (iq < 0)
+		return iq;
+
+	f = kzalloc(sizeof(*f), GFP_KERNEL);
+	if (!f)
+		return -ENOMEM;
+
+	f->fs = *fs;
+	f->ctx = ctx;
+	f->dev = dev;
+	f->fs.iq = iq;
+
+	/* If the new filter requires loopback Destination MAC and/or VLAN
+	 * rewriting then we need to allocate a Layer 2 Table (L2T) entry for
+	 * the filter.
+	 */
+	if (f->fs.newdmac || f->fs.newvlan) {
+		/* allocate L2T entry for new filter */
+		f->l2t = t4_l2t_alloc_switching(adapter, f->fs.vlan,
+						f->fs.eport, f->fs.dmac);
+		if (!f->l2t) {
+			ret = -ENOMEM;
+			goto out_err;
+		}
+	}
+
+	/* If the new filter requires loopback Source MAC rewriting then
+	 * we need to allocate a SMT entry for the filter.
+	 */
+	if (f->fs.newsmac) {
+		f->smt = cxgb4_smt_alloc_switching(f->dev, f->fs.smac);
+		if (!f->smt) {
+			if (f->l2t) {
+				cxgb4_l2t_release(f->l2t);
+				f->l2t = NULL;
+			}
+			ret = -ENOMEM;
+			goto free_l2t;
+		}
+	}
+
+	atid = cxgb4_alloc_atid(t, f);
+	if (atid < 0) {
+		ret = atid;
+		goto free_smt;
+	}
+
+	iconf = adapter->params.tp.ingress_config;
+	if (iconf & VNIC_F) {
+		f->fs.val.ovlan = (fs->val.pf << 13) | fs->val.vf;
+		f->fs.mask.ovlan = (fs->mask.pf << 13) | fs->mask.vf;
+		f->fs.val.ovlan_vld = fs->val.pfvf_vld;
+		f->fs.mask.ovlan_vld = fs->mask.pfvf_vld;
+	}
+
+	size = sizeof(struct cpl_t6_act_open_req);
+	if (f->fs.type) {
+		ret = cxgb4_clip_get(f->dev, (const u32 *)&f->fs.val.lip, 1);
+		if (ret)
+			goto free_atid;
+
+		skb = alloc_skb(size, GFP_KERNEL);
+		if (!skb) {
+			ret = -ENOMEM;
+			goto free_clip;
+		}
+
+		mk_act_open_req6(f, skb,
+				 ((adapter->sge.fw_evtq.abs_id << 14) | atid),
+				 adapter);
+	} else {
+		skb = alloc_skb(size, GFP_KERNEL);
+		if (!skb) {
+			ret = -ENOMEM;
+			goto free_atid;
+		}
+
+		mk_act_open_req(f, skb,
+				((adapter->sge.fw_evtq.abs_id << 14) | atid),
+				adapter);
+	}
+
+	f->pending = 1;
+	set_wr_txq(skb, CPL_PRIORITY_SETUP, f->fs.val.iport & 0x3);
+	t4_ofld_send(adapter, skb);
+	return 0;
+
+free_clip:
+	cxgb4_clip_release(f->dev, (const u32 *)&f->fs.val.lip, 1);
+
+free_atid:
+	cxgb4_free_atid(t, atid);
+
+free_smt:
+	if (f->smt) {
+		cxgb4_smt_release(f->smt);
+		f->smt = NULL;
+	}
+
+free_l2t:
+	if (f->l2t) {
+		cxgb4_l2t_release(f->l2t);
+		f->l2t = NULL;
+	}
+
+out_err:
+	kfree(f);
+	return ret;
+}
+
 /* Check a Chelsio Filter Request for validity, convert it into our internal
  * format and send it to the hardware.  Return 0 on success, an error number
  * otherwise.  We attach any provided filter operation context to the internal
@@ -447,6 +1194,14 @@ int __cxgb4_set_filter(struct net_device *dev, int filter_id,
 	u32 iconf;
 	int iq, ret;
 
+	if (fs->hash) {
+		if (is_hashfilter(adapter))
+			return cxgb4_set_hash_filter(dev, fs, 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)
@@ -568,12 +1323,74 @@ int __cxgb4_set_filter(struct net_device *dev, int filter_id,
 	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);
@@ -581,6 +1398,14 @@ int __cxgb4_del_filter(struct net_device *dev, int filter_id,
 	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)
@@ -631,14 +1456,19 @@ out:
 	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, 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;
 
@@ -652,6 +1482,157 @@ out:
 	return ret;
 }
 
+static int configure_filter_tcb(struct adapter *adap, unsigned int tid,
+				struct filter_entry *f)
+{
+	if (f->fs.hitcnts)
+		set_tcb_field(adap, f, tid, TCB_TIMESTAMP_W,
+			      TCB_TIMESTAMP_V(TCB_TIMESTAMP_M) |
+			      TCB_RTT_TS_RECENT_AGE_V(TCB_RTT_TS_RECENT_AGE_M),
+			      TCB_TIMESTAMP_V(0ULL) |
+			      TCB_RTT_TS_RECENT_AGE_V(0ULL),
+			      1);
+
+	if (f->fs.newdmac)
+		set_tcb_tflag(adap, f, tid, TF_CCTRL_ECE_S, 1,
+			      1);
+
+	if (f->fs.newvlan == VLAN_INSERT ||
+	    f->fs.newvlan == VLAN_REWRITE)
+		set_tcb_tflag(adap, f, tid, TF_CCTRL_RFR_S, 1,
+			      1);
+	if (f->fs.newsmac)
+		configure_filter_smac(adap, f);
+
+	if (f->fs.nat_mode) {
+		switch (f->fs.nat_mode) {
+		case NAT_MODE_DIP:
+			set_nat_params(adap, f, tid, true, false, false, false);
+			break;
+
+		case NAT_MODE_DIP_DP:
+			set_nat_params(adap, f, tid, true, false, true, false);
+			break;
+
+		case NAT_MODE_DIP_DP_SIP:
+			set_nat_params(adap, f, tid, true, true, true, false);
+			break;
+		case NAT_MODE_DIP_DP_SP:
+			set_nat_params(adap, f, tid, true, false, true, true);
+			break;
+
+		case NAT_MODE_SIP_SP:
+			set_nat_params(adap, f, tid, false, true, false, true);
+			break;
+
+		case NAT_MODE_DIP_SIP_SP:
+			set_nat_params(adap, f, tid, true, true, false, true);
+			break;
+
+		case NAT_MODE_ALL:
+			set_nat_params(adap, f, tid, true, true, true, true);
+			break;
+
+		default:
+			pr_err("%s: Invalid NAT mode: %d\n",
+			       __func__, f->fs.nat_mode);
+			return -EINVAL;
+		}
+	}
+	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)));
+	unsigned int status  = AOPEN_STATUS_G(ntohl(rpl->atid_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: tid = %u; atid = %u; status = %u\n",
+		__func__, tid, ftid, status);
+
+	f = lookup_atid(t, ftid);
+	if (!f) {
+		dev_err(adap->pdev_dev, "%s:could not find filter entry",
+			__func__);
+		return;
+	}
+	ctx = f->ctx;
+	f->ctx = NULL;
+
+	switch (status) {
+	case CPL_ERR_NONE:
+		f->tid = tid;
+		f->pending = 0;
+		f->valid = 1;
+		cxgb4_insert_tid(t, f, f->tid, 0);
+		cxgb4_free_atid(t, ftid);
+		if (ctx) {
+			ctx->tid = f->tid;
+			ctx->result = 0;
+		}
+		if (configure_filter_tcb(adap, tid, f)) {
+			clear_filter(adap, f);
+			cxgb4_remove_tid(t, 0, tid, 0);
+			kfree(f);
+			if (ctx) {
+				ctx->result = -EINVAL;
+				complete(&ctx->completion);
+			}
+			return;
+		}
+		break;
+
+	default:
+		dev_err(adap->pdev_dev, "%s: filter creation PROBLEM; status = %u\n",
+			__func__, status);
+
+		if (ctx) {
+			if (status == CPL_ERR_TCAM_FULL)
+				ctx->result = -EAGAIN;
+			else
+				ctx->result = -EINVAL;
+		}
+		clear_filter(adap, f);
+		cxgb4_free_atid(t, ftid);
+		kfree(f);
+	}
+	if (ctx)
+		complete(&ctx->completion);
+}
+
 /* Handle a filter write/deletion reply. */
 void filter_rpl(struct adapter *adap, const struct cpl_set_tcb_rpl *rpl)
 {
@@ -690,19 +1671,23 @@ void filter_rpl(struct adapter *adap, const struct cpl_set_tcb_rpl *rpl)
 			clear_filter(adap, f);
 			if (ctx)
 				ctx->result = 0;
-		} else if (ret == FW_FILTER_WR_SMT_TBL_FULL) {
-			dev_err(adap->pdev_dev, "filter %u setup failed due to full SMT\n",
-				idx);
-			clear_filter(adap, f);
-			if (ctx)
-				ctx->result = -ENOMEM;
 		} else if (ret == FW_FILTER_WR_FLT_ADDED) {
-			f->smtidx = (be64_to_cpu(rpl->oldval) >> 24) & 0xff;
-			f->pending = 0;  /* asynchronous setup completed */
-			f->valid = 1;
-			if (ctx) {
-				ctx->result = 0;
-				ctx->tid = idx;
+			int err = 0;
+
+			if (f->fs.newsmac)
+				err = configure_filter_smac(adap, f);
+
+			if (!err) {
+				f->pending = 0;  /* async setup completed */
+				f->valid = 1;
+				if (ctx) {
+					ctx->result = 0;
+					ctx->tid = idx;
+				}
+			} else {
+				clear_filter(adap, f);
+				if (ctx)
+					ctx->result = err;
 			}
 		} else {
 			/* Something went wrong.  Issue a warning about the
@@ -718,3 +1703,25 @@ void filter_rpl(struct adapter *adap, const struct cpl_set_tcb_rpl *rpl)
 			complete(&ctx->completion);
 	}
 }
+
+int init_hash_filter(struct adapter *adap)
+{
+	/* On T6, verify the necessary register configs and warn the user in
+	 * case of improper config
+	 */
+	if (is_t6(adap->params.chip)) {
+		if (TCAM_ACTV_HIT_G(t4_read_reg(adap, LE_DB_RSP_CODE_0_A)) != 4)
+			goto err;
+
+		if (HASH_ACTV_HIT_G(t4_read_reg(adap, LE_DB_RSP_CODE_1_A)) != 4)
+			goto err;
+	} else {
+		dev_err(adap->pdev_dev, "Hash filter supported only on T6\n");
+		return -EINVAL;
+	}
+	adap->params.hash_filter = 1;
+	return 0;
+err:
+	dev_warn(adap->pdev_dev, "Invalid hash filter config!\n");
+	return -EINVAL;
+}