Author: np
Date: Tue Aug 25 18:21:13 2020
New Revision: 364776
URL: https://svnweb.freebsd.org/changeset/base/364776

Log:
  MFC r363498:
  cxgbe(4): Some updates to the common code.

Modified:
  stable/12/sys/dev/cxgbe/common/common.h
  stable/12/sys/dev/cxgbe/common/t4_hw.c
  stable/12/sys/dev/cxgbe/common/t4_hw.h
  stable/12/sys/dev/cxgbe/cudbg/cudbg_lib.c
Directory Properties:
  stable/12/   (props changed)

Modified: stable/12/sys/dev/cxgbe/common/common.h
==============================================================================
--- stable/12/sys/dev/cxgbe/common/common.h     Tue Aug 25 18:16:40 2020        
(r364775)
+++ stable/12/sys/dev/cxgbe/common/common.h     Tue Aug 25 18:21:13 2020        
(r364776)
@@ -301,6 +301,7 @@ struct chip_params {
        u16 vfcount;
        u32 sge_fl_db;
        u16 mps_tcam_size;
+       u16 rss_nentries;
 };
 
 /* VF-only parameters. */
@@ -379,6 +380,7 @@ struct adapter_params {
        unsigned int hash_filter:1;
        unsigned int filter2_wr_support:1;
        unsigned int port_caps32:1;
+       unsigned int smac_add_support:1;
 
        unsigned int ofldq_wr_cred;
        unsigned int eo_wr_cred;
@@ -784,8 +786,27 @@ int t4_set_rxmode(struct adapter *adap, unsigned int m
 int t4_alloc_mac_filt(struct adapter *adap, unsigned int mbox, unsigned int 
viid,
                      bool free, unsigned int naddr, const u8 **addr, u16 *idx,
                      u64 *hash, bool sleep_ok);
+int t4_free_mac_filt(struct adapter *adap, unsigned int mbox,
+                     unsigned int viid, unsigned int naddr,
+                     const u8 **addr, bool sleep_ok);
+int t4_free_encap_mac_filt(struct adapter *adap, unsigned int viid,
+                          int idx, bool sleep_ok);
+int t4_free_raw_mac_filt(struct adapter *adap, unsigned int viid,
+                        const u8 *addr, const u8 *mask, unsigned int idx,
+                        u8 lookup_type, u8 port_id, bool sleep_ok);
+int t4_alloc_raw_mac_filt(struct adapter *adap, unsigned int viid,
+                         const u8 *addr, const u8 *mask, unsigned int idx,
+                         u8 lookup_type, u8 port_id, bool sleep_ok);
+int t4_alloc_encap_mac_filt(struct adapter *adap, unsigned int viid,
+                           const u8 *addr, const u8 *mask, unsigned int vni,
+                           unsigned int vni_mask, u8 dip_hit, u8 lookup_type,
+                           bool sleep_ok);
 int t4_change_mac(struct adapter *adap, unsigned int mbox, unsigned int viid,
                  int idx, const u8 *addr, bool persist, uint16_t *smt_idx);
+int t4_del_mac(struct adapter *adap, unsigned int mbox, unsigned int viid,
+              const u8 *addr, bool smac);
+int t4_add_mac(struct adapter *adap, unsigned int mbox, unsigned int viid,
+              int idx, const u8 *addr, bool persist, u8 *smt_idx, bool smac);
 int t4_set_addr_hash(struct adapter *adap, unsigned int mbox, unsigned int 
viid,
                     bool ucast, u64 vec, bool sleep_ok);
 int t4_enable_vi_params(struct adapter *adap, unsigned int mbox,
@@ -798,6 +819,10 @@ int t4_mdio_rd(struct adapter *adap, unsigned int mbox
               unsigned int mmd, unsigned int reg, unsigned int *valp);
 int t4_mdio_wr(struct adapter *adap, unsigned int mbox, unsigned int phy_addr,
               unsigned int mmd, unsigned int reg, unsigned int val);
+int t4_i2c_io(struct adapter *adap, unsigned int mbox,
+             int port, unsigned int devid,
+             unsigned int offset, unsigned int len,
+             u8 *buf, bool write);
 int t4_i2c_rd(struct adapter *adap, unsigned int mbox,
              int port, unsigned int devid,
              unsigned int offset, unsigned int len,
@@ -822,7 +847,7 @@ int t4_sge_ctxt_rd(struct adapter *adap, unsigned int 
                   enum ctxt_type ctype, u32 *data);
 int t4_sge_ctxt_rd_bd(struct adapter *adap, unsigned int cid, enum ctxt_type 
ctype,
                      u32 *data);
-int t4_sge_ctxt_flush(struct adapter *adap, unsigned int mbox);
+int t4_sge_ctxt_flush(struct adapter *adap, unsigned int mbox, int ctxt_type);
 const char *t4_link_down_rc_str(unsigned char link_down_rc);
 int t4_update_port_info(struct port_info *pi);
 int t4_handle_fw_rpl(struct adapter *adap, const __be64 *rpl);
@@ -855,6 +880,10 @@ void t4_tp_tm_pio_read(struct adapter *adap, u32 *buff
                       u32 start_index, bool sleep_ok);
 void t4_tp_mib_read(struct adapter *adap, u32 *buff, u32 nregs,
                    u32 start_index, bool sleep_ok);
+int t4_configure_ringbb(struct adapter *adap);
+int t4_configure_add_smac(struct adapter *adap);
+int t4_set_vlan_acl(struct adapter *adap, unsigned int mbox, unsigned int vf,
+                   u16 vlan);
 
 static inline int t4vf_query_params(struct adapter *adapter,
                                    unsigned int nparams, const u32 *params,

Modified: stable/12/sys/dev/cxgbe/common/t4_hw.c
==============================================================================
--- stable/12/sys/dev/cxgbe/common/t4_hw.c      Tue Aug 25 18:16:40 2020        
(r364775)
+++ stable/12/sys/dev/cxgbe/common/t4_hw.c      Tue Aug 25 18:21:13 2020        
(r364776)
@@ -1359,8 +1359,7 @@ void t4_get_regs(struct adapter *adap, u8 *buf, size_t
                0x9608, 0x9638,
                0x9640, 0x96f4,
                0x9800, 0x9808,
-               0x9820, 0x983c,
-               0x9850, 0x9864,
+               0x9810, 0x9864,
                0x9c00, 0x9c6c,
                0x9c80, 0x9cec,
                0x9d00, 0x9d6c,
@@ -1369,7 +1368,7 @@ void t4_get_regs(struct adapter *adap, u8 *buf, size_t
                0x9e80, 0x9eec,
                0x9f00, 0x9f6c,
                0x9f80, 0xa020,
-               0xd004, 0xd004,
+               0xd000, 0xd004,
                0xd010, 0xd03c,
                0xdfc0, 0xdfe0,
                0xe000, 0x1106c,
@@ -1410,10 +1409,8 @@ void t4_get_regs(struct adapter *adap, u8 *buf, size_t
                0x1a0b0, 0x1a0e4,
                0x1a0ec, 0x1a0f8,
                0x1a100, 0x1a108,
-               0x1a114, 0x1a120,
-               0x1a128, 0x1a130,
-               0x1a138, 0x1a138,
-               0x1a190, 0x1a1c4,
+               0x1a114, 0x1a130,
+               0x1a138, 0x1a1c4,
                0x1a1fc, 0x1a1fc,
                0x1e008, 0x1e00c,
                0x1e040, 0x1e044,
@@ -2084,7 +2081,7 @@ void t4_get_regs(struct adapter *adap, u8 *buf, size_t
                0x1180, 0x1184,
                0x1190, 0x1194,
                0x11a0, 0x11a4,
-               0x11b0, 0x11b4,
+               0x11b0, 0x11c4,
                0x11fc, 0x1274,
                0x1280, 0x133c,
                0x1800, 0x18fc,
@@ -2140,7 +2137,7 @@ void t4_get_regs(struct adapter *adap, u8 *buf, size_t
                0x7e4c, 0x7e78,
                0x7e80, 0x7edc,
                0x7ee8, 0x7efc,
-               0x8dc0, 0x8de4,
+               0x8dc0, 0x8de0,
                0x8df8, 0x8e04,
                0x8e10, 0x8e84,
                0x8ea0, 0x8f88,
@@ -2154,8 +2151,7 @@ void t4_get_regs(struct adapter *adap, u8 *buf, size_t
                0x9640, 0x9704,
                0x9710, 0x971c,
                0x9800, 0x9808,
-               0x9820, 0x983c,
-               0x9850, 0x9864,
+               0x9810, 0x9864,
                0x9c00, 0x9c6c,
                0x9c80, 0x9cec,
                0x9d00, 0x9d6c,
@@ -2164,7 +2160,7 @@ void t4_get_regs(struct adapter *adap, u8 *buf, size_t
                0x9e80, 0x9eec,
                0x9f00, 0x9f6c,
                0x9f80, 0xa020,
-               0xd004, 0xd03c,
+               0xd000, 0xd03c,
                0xd100, 0xd118,
                0xd200, 0xd214,
                0xd220, 0xd234,
@@ -2198,7 +2194,6 @@ void t4_get_regs(struct adapter *adap, u8 *buf, size_t
                0x191d0, 0x191e8,
                0x19238, 0x19290,
                0x192a4, 0x192b0,
-               0x192bc, 0x192bc,
                0x19348, 0x1934c,
                0x193f8, 0x19418,
                0x19420, 0x19428,
@@ -2216,7 +2211,7 @@ void t4_get_regs(struct adapter *adap, u8 *buf, size_t
                0x19d00, 0x19d28,
                0x19d50, 0x19d78,
                0x19d94, 0x19d98,
-               0x19da0, 0x19dc8,
+               0x19da0, 0x19de0,
                0x19df0, 0x19e10,
                0x19e50, 0x19e6c,
                0x19ea0, 0x19ebc,
@@ -2232,10 +2227,8 @@ void t4_get_regs(struct adapter *adap, u8 *buf, size_t
                0x1a0b0, 0x1a0e4,
                0x1a0ec, 0x1a0f8,
                0x1a100, 0x1a108,
-               0x1a114, 0x1a120,
-               0x1a128, 0x1a130,
-               0x1a138, 0x1a138,
-               0x1a190, 0x1a1c4,
+               0x1a114, 0x1a130,
+               0x1a138, 0x1a1c4,
                0x1a1fc, 0x1a1fc,
                0x1e008, 0x1e00c,
                0x1e040, 0x1e044,
@@ -3357,7 +3350,7 @@ int t4_get_tp_version(struct adapter *adapter, u32 *ve
  *     this in the Firmware Version Format since it's convenient.  Return
  *     0 on success, -ENOENT if no Expansion ROM is present.
  */
-int t4_get_exprom_version(struct adapter *adap, u32 *vers)
+int t4_get_exprom_version(struct adapter *adapter, u32 *vers)
 {
        struct exprom_header {
                unsigned char hdr_arr[16];      /* must start with 0x55aa */
@@ -3367,7 +3360,7 @@ int t4_get_exprom_version(struct adapter *adap, u32 *v
                                           sizeof(u32))];
        int ret;
 
-       ret = t4_read_flash(adap, FLASH_EXP_ROM_START,
+       ret = t4_read_flash(adapter, FLASH_EXP_ROM_START,
                            ARRAY_SIZE(exprom_header_buf), exprom_header_buf,
                            0);
        if (ret)
@@ -5703,8 +5696,9 @@ int t4_read_rss(struct adapter *adapter, u16 *map)
 {
        u32 val;
        int i, ret;
+       int rss_nentries = adapter->chip_params->rss_nentries;
 
-       for (i = 0; i < RSS_NENTRIES / 2; ++i) {
+       for (i = 0; i < rss_nentries / 2; ++i) {
                ret = rd_rss_row(adapter, i, &val);
                if (ret)
                        return ret;
@@ -7374,14 +7368,16 @@ void t4_sge_decode_idma_state(struct adapter *adapter,
  *      Issues a FW command through the given mailbox to flush the
  *      SGE context cache.
  */
-int t4_sge_ctxt_flush(struct adapter *adap, unsigned int mbox)
+int t4_sge_ctxt_flush(struct adapter *adap, unsigned int mbox, int ctxt_type)
 {
        int ret;
        u32 ldst_addrspace;
        struct fw_ldst_cmd c;
 
        memset(&c, 0, sizeof(c));
-       ldst_addrspace = V_FW_LDST_CMD_ADDRSPACE(FW_LDST_ADDRSPC_SGE_EGRC);
+       ldst_addrspace = V_FW_LDST_CMD_ADDRSPACE(ctxt_type == CTXT_EGRESS ?
+                                                FW_LDST_ADDRSPC_SGE_EGRC :
+                                                FW_LDST_ADDRSPC_SGE_INGC);
        c.op_to_addrspace = cpu_to_be32(V_FW_CMD_OP(FW_LDST_CMD) |
                                        F_FW_CMD_REQUEST | F_FW_CMD_READ |
                                        ldst_addrspace);
@@ -8035,6 +8031,111 @@ int t4_set_rxmode(struct adapter *adap, unsigned int m
 }
 
 /**
+ *     t4_alloc_encap_mac_filt - Adds a mac entry in mps tcam with VNI support
+ *     @adap: the adapter
+ *     @viid: the VI id
+ *     @mac: the MAC address
+ *     @mask: the mask
+ *     @vni: the VNI id for the tunnel protocol
+ *     @vni_mask: mask for the VNI id
+ *     @dip_hit: to enable DIP match for the MPS entry
+ *     @lookup_type: MAC address for inner (1) or outer (0) header
+ *     @sleep_ok: call is allowed to sleep
+ *
+ *     Allocates an MPS entry with specified MAC address and VNI value.
+ *
+ *     Returns a negative error number or the allocated index for this mac.
+ */
+int t4_alloc_encap_mac_filt(struct adapter *adap, unsigned int viid,
+                           const u8 *addr, const u8 *mask, unsigned int vni,
+                           unsigned int vni_mask, u8 dip_hit, u8 lookup_type,
+                           bool sleep_ok)
+{
+       struct fw_vi_mac_cmd c;
+       struct fw_vi_mac_vni *p = c.u.exact_vni;
+       int ret = 0;
+       u32 val;
+
+       memset(&c, 0, sizeof(c));
+       c.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_VI_MAC_CMD) |
+                                  F_FW_CMD_REQUEST | F_FW_CMD_WRITE |
+                                  V_FW_VI_MAC_CMD_VIID(viid));
+       val = V_FW_CMD_LEN16(1) |
+             V_FW_VI_MAC_CMD_ENTRY_TYPE(FW_VI_MAC_TYPE_EXACTMAC_VNI);
+       c.freemacs_to_len16 = cpu_to_be32(val);
+       p->valid_to_idx = cpu_to_be16(F_FW_VI_MAC_CMD_VALID |
+                                     V_FW_VI_MAC_CMD_IDX(FW_VI_MAC_ADD_MAC));
+       memcpy(p->macaddr, addr, sizeof(p->macaddr));
+       memcpy(p->macaddr_mask, mask, sizeof(p->macaddr_mask));
+
+       p->lookup_type_to_vni = cpu_to_be32(V_FW_VI_MAC_CMD_VNI(vni) |
+                                           V_FW_VI_MAC_CMD_DIP_HIT(dip_hit) |
+                                           
V_FW_VI_MAC_CMD_LOOKUP_TYPE(lookup_type));
+       p->vni_mask_pkd = cpu_to_be32(V_FW_VI_MAC_CMD_VNI_MASK(vni_mask));
+
+       ret = t4_wr_mbox_meat(adap, adap->mbox, &c, sizeof(c), &c, sleep_ok);
+       if (ret == 0)
+               ret = G_FW_VI_MAC_CMD_IDX(be16_to_cpu(p->valid_to_idx));
+       return ret;
+}
+
+/**
+ *     t4_alloc_raw_mac_filt - Adds a mac entry in mps tcam
+ *     @adap: the adapter
+ *     @viid: the VI id
+ *     @mac: the MAC address
+ *     @mask: the mask
+ *     @idx: index at which to add this entry
+ *     @port_id: the port index
+ *     @lookup_type: MAC address for inner (1) or outer (0) header
+ *     @sleep_ok: call is allowed to sleep
+ *
+ *     Adds the mac entry at the specified index using raw mac interface.
+ *
+ *     Returns a negative error number or the allocated index for this mac.
+ */
+int t4_alloc_raw_mac_filt(struct adapter *adap, unsigned int viid,
+                         const u8 *addr, const u8 *mask, unsigned int idx,
+                         u8 lookup_type, u8 port_id, bool sleep_ok)
+{
+       int ret = 0;
+       struct fw_vi_mac_cmd c;
+       struct fw_vi_mac_raw *p = &c.u.raw;
+       u32 val;
+
+       memset(&c, 0, sizeof(c));
+       c.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_VI_MAC_CMD) |
+                                  F_FW_CMD_REQUEST | F_FW_CMD_WRITE |
+                                  V_FW_VI_MAC_CMD_VIID(viid));
+       val = V_FW_CMD_LEN16(1) |
+             V_FW_VI_MAC_CMD_ENTRY_TYPE(FW_VI_MAC_TYPE_RAW);
+       c.freemacs_to_len16 = cpu_to_be32(val);
+
+       /* Specify that this is an inner mac address */
+       p->raw_idx_pkd = cpu_to_be32(V_FW_VI_MAC_CMD_RAW_IDX(idx));
+
+       /* Lookup Type. Outer header: 0, Inner header: 1 */
+       p->data0_pkd = cpu_to_be32(V_DATALKPTYPE(lookup_type) |
+                                  V_DATAPORTNUM(port_id));
+       /* Lookup mask and port mask */
+       p->data0m_pkd = cpu_to_be64(V_DATALKPTYPE(M_DATALKPTYPE) |
+                                   V_DATAPORTNUM(M_DATAPORTNUM));
+
+       /* Copy the address and the mask */
+       memcpy((u8 *)&p->data1[0] + 2, addr, ETHER_ADDR_LEN);
+       memcpy((u8 *)&p->data1m[0] + 2, mask, ETHER_ADDR_LEN);
+
+       ret = t4_wr_mbox_meat(adap, adap->mbox, &c, sizeof(c), &c, sleep_ok);
+       if (ret == 0) {
+               ret = G_FW_VI_MAC_CMD_RAW_IDX(be32_to_cpu(p->raw_idx_pkd));
+               if (ret != idx)
+                       ret = -ENOMEM;
+       }
+
+       return ret;
+}
+
+/**
  *     t4_alloc_mac_filt - allocates exact-match filters for MAC addresses
  *     @adap: the adapter
  *     @mbox: mailbox to use for the FW command
@@ -8128,6 +8229,168 @@ int t4_alloc_mac_filt(struct adapter *adap, unsigned i
 }
 
 /**
+ *     t4_free_encap_mac_filt - frees MPS entry at given index
+ *     @adap: the adapter
+ *     @viid: the VI id
+ *     @idx: index of MPS entry to be freed
+ *     @sleep_ok: call is allowed to sleep
+ *
+ *     Frees the MPS entry at supplied index
+ *
+ *     Returns a negative error number or zero on success
+ */
+int t4_free_encap_mac_filt(struct adapter *adap, unsigned int viid,
+                          int idx, bool sleep_ok)
+{
+       struct fw_vi_mac_exact *p;
+       struct fw_vi_mac_cmd c;
+       u8 addr[] = {0,0,0,0,0,0};
+       int ret = 0;
+       u32 exact;
+
+       memset(&c, 0, sizeof(c));
+       c.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_VI_MAC_CMD) |
+                                  F_FW_CMD_REQUEST |
+                                  F_FW_CMD_WRITE |
+                                  V_FW_CMD_EXEC(0) |
+                                  V_FW_VI_MAC_CMD_VIID(viid));
+       exact = V_FW_VI_MAC_CMD_ENTRY_TYPE(FW_VI_MAC_TYPE_EXACTMAC);
+       c.freemacs_to_len16 = cpu_to_be32(V_FW_VI_MAC_CMD_FREEMACS(0) |
+                                         exact |
+                                         V_FW_CMD_LEN16(1));
+       p = c.u.exact;
+       p->valid_to_idx = cpu_to_be16(F_FW_VI_MAC_CMD_VALID |
+                                     V_FW_VI_MAC_CMD_IDX(idx));
+       memcpy(p->macaddr, addr, sizeof(p->macaddr));
+
+       ret = t4_wr_mbox_meat(adap, adap->mbox, &c, sizeof(c), &c, sleep_ok);
+       return ret;
+}
+
+/**
+ *     t4_free_raw_mac_filt - Frees a raw mac entry in mps tcam
+ *     @adap: the adapter
+ *     @viid: the VI id
+ *     @addr: the MAC address
+ *     @mask: the mask
+ *     @idx: index of the entry in mps tcam
+ *     @lookup_type: MAC address for inner (1) or outer (0) header
+ *     @port_id: the port index
+ *     @sleep_ok: call is allowed to sleep
+ *
+ *     Removes the mac entry at the specified index using raw mac interface.
+ *
+ *     Returns a negative error number on failure.
+ */
+int t4_free_raw_mac_filt(struct adapter *adap, unsigned int viid,
+                        const u8 *addr, const u8 *mask, unsigned int idx,
+                        u8 lookup_type, u8 port_id, bool sleep_ok)
+{
+       struct fw_vi_mac_cmd c;
+       struct fw_vi_mac_raw *p = &c.u.raw;
+       u32 raw;
+
+       memset(&c, 0, sizeof(c));
+       c.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_VI_MAC_CMD) |
+                                  F_FW_CMD_REQUEST | F_FW_CMD_WRITE |
+                                  V_FW_CMD_EXEC(0) |
+                                  V_FW_VI_MAC_CMD_VIID(viid));
+       raw = V_FW_VI_MAC_CMD_ENTRY_TYPE(FW_VI_MAC_TYPE_RAW);
+       c.freemacs_to_len16 = cpu_to_be32(V_FW_VI_MAC_CMD_FREEMACS(0) |
+                                         raw |
+                                         V_FW_CMD_LEN16(1));
+
+       p->raw_idx_pkd = cpu_to_be32(V_FW_VI_MAC_CMD_RAW_IDX(idx) |
+                                    FW_VI_MAC_ID_BASED_FREE);
+
+       /* Lookup Type. Outer header: 0, Inner header: 1 */
+       p->data0_pkd = cpu_to_be32(V_DATALKPTYPE(lookup_type) |
+                                  V_DATAPORTNUM(port_id));
+       /* Lookup mask and port mask */
+       p->data0m_pkd = cpu_to_be64(V_DATALKPTYPE(M_DATALKPTYPE) |
+                                   V_DATAPORTNUM(M_DATAPORTNUM));
+
+       /* Copy the address and the mask */
+       memcpy((u8 *)&p->data1[0] + 2, addr, ETHER_ADDR_LEN);
+       memcpy((u8 *)&p->data1m[0] + 2, mask, ETHER_ADDR_LEN);
+
+       return t4_wr_mbox_meat(adap, adap->mbox, &c, sizeof(c), &c, sleep_ok);
+}
+
+/**
+ *     t4_free_mac_filt - frees exact-match filters of given MAC addresses
+ *     @adap: the adapter
+ *     @mbox: mailbox to use for the FW command
+ *     @viid: the VI id
+ *     @naddr: the number of MAC addresses to allocate filters for (up to 7)
+ *     @addr: the MAC address(es)
+ *     @sleep_ok: call is allowed to sleep
+ *
+ *     Frees the exact-match filter for each of the supplied addresses
+ *
+ *     Returns a negative error number or the number of filters freed.
+ */
+int t4_free_mac_filt(struct adapter *adap, unsigned int mbox,
+                     unsigned int viid, unsigned int naddr,
+                     const u8 **addr, bool sleep_ok)
+{
+       int offset, ret = 0;
+       struct fw_vi_mac_cmd c;
+       unsigned int nfilters = 0;
+       unsigned int max_naddr = adap->chip_params->mps_tcam_size;
+       unsigned int rem = naddr;
+
+       if (naddr > max_naddr)
+               return -EINVAL;
+
+       for (offset = 0; offset < (int)naddr ; /**/) {
+               unsigned int fw_naddr = (rem < ARRAY_SIZE(c.u.exact)
+                                        ? rem
+                                        : ARRAY_SIZE(c.u.exact));
+               size_t len16 = DIV_ROUND_UP(offsetof(struct fw_vi_mac_cmd,
+                                                    u.exact[fw_naddr]), 16);
+               struct fw_vi_mac_exact *p;
+               int i;
+
+               memset(&c, 0, sizeof(c));
+               c.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_VI_MAC_CMD) |
+                                    F_FW_CMD_REQUEST |
+                                    F_FW_CMD_WRITE |
+                                    V_FW_CMD_EXEC(0) |
+                                    V_FW_VI_MAC_CMD_VIID(viid));
+               c.freemacs_to_len16 =
+                               cpu_to_be32(V_FW_VI_MAC_CMD_FREEMACS(0) |
+                                           V_FW_CMD_LEN16(len16));
+
+               for (i = 0, p = c.u.exact; i < (int)fw_naddr; i++, p++) {
+                       p->valid_to_idx = cpu_to_be16(
+                               F_FW_VI_MAC_CMD_VALID |
+                               V_FW_VI_MAC_CMD_IDX(FW_VI_MAC_MAC_BASED_FREE));
+                       memcpy(p->macaddr, addr[offset+i], sizeof(p->macaddr));
+               }
+
+               ret = t4_wr_mbox_meat(adap, mbox, &c, sizeof(c), &c, sleep_ok);
+               if (ret)
+                       break;
+
+               for (i = 0, p = c.u.exact; i < fw_naddr; i++, p++) {
+                       u16 index = G_FW_VI_MAC_CMD_IDX(
+                                               be16_to_cpu(p->valid_to_idx));
+
+                       if (index < max_naddr)
+                               nfilters++;
+               }
+
+               offset += fw_naddr;
+               rem -= fw_naddr;
+       }
+
+       if (ret == 0)
+               ret = nfilters;
+       return ret;
+}
+
+/**
  *     t4_change_mac - modifies the exact-match filter for a MAC address
  *     @adap: the adapter
  *     @mbox: mailbox to use for the FW command
@@ -8916,6 +9179,7 @@ const struct chip_params *t4_get_chip_params(int chipi
                        .vfcount = 128,
                        .sge_fl_db = F_DBPRIO,
                        .mps_tcam_size = NUM_MPS_CLS_SRAM_L_INSTANCES,
+                       .rss_nentries = RSS_NENTRIES,
                },
                {
                        /* T5 */
@@ -8928,6 +9192,7 @@ const struct chip_params *t4_get_chip_params(int chipi
                        .vfcount = 128,
                        .sge_fl_db = F_DBPRIO | F_DBTYPE,
                        .mps_tcam_size = NUM_MPS_T5_CLS_SRAM_L_INSTANCES,
+                       .rss_nentries = RSS_NENTRIES,
                },
                {
                        /* T6 */
@@ -8940,6 +9205,7 @@ const struct chip_params *t4_get_chip_params(int chipi
                        .vfcount = 256,
                        .sge_fl_db = 0,
                        .mps_tcam_size = NUM_MPS_T5_CLS_SRAM_L_INSTANCES,
+                       .rss_nentries = T6_RSS_NENTRIES,
                },
        };
 
@@ -9743,15 +10009,15 @@ int t4_cim_read_la(struct adapter *adap, u32 *la_buf, 
                if (ret)
                        break;
 
-               /* address can't exceed 0xfff (UpDbgLaRdPtr is of 12-bits) */
-               idx = (idx + 1) & M_UPDBGLARDPTR;
-               /*
-                * Bits 0-3 of UpDbgLaRdPtr can be between 0000 to 1001 to
+               /* Bits 0-3 of UpDbgLaRdPtr can be between 0000 to 1001 to
                 * identify the 32-bit portion of the full 312-bit data
                 */
-               if (is_t6(adap))
-                       while ((idx & 0xf) > 9)
-                               idx = (idx + 1) % M_UPDBGLARDPTR;
+               if (is_t6(adap) && (idx & 0xf) >= 9)
+                       idx = (idx & 0xff0) + 0x10;
+               else
+                       idx++;
+               /* address can't exceed 0xfff */
+               idx &= M_UPDBGLARDPTR;
        }
 restart:
        if (cfg & F_UPDBGLAEN) {
@@ -10494,88 +10760,81 @@ void t4_clr_port_stats(struct adapter *adap, int idx)
 }
 
 /**
- *     t4_i2c_rd - read I2C data from adapter
+ *     t4_i2c_io - read/write I2C data from adapter
  *     @adap: the adapter
  *     @port: Port number if per-port device; <0 if not
  *     @devid: per-port device ID or absolute device ID
  *     @offset: byte offset into device I2C space
  *     @len: byte length of I2C space data
- *     @buf: buffer in which to return I2C data
- *
- *     Reads the I2C data from the indicated device and location.
+ *     @buf: buffer in which to return I2C data for read
+ *           buffer which holds the I2C data for write
+ *     @write: if true, do a write; else do a read
+ *     Reads/Writes the I2C data from/to the indicated device and location.
  */
-int t4_i2c_rd(struct adapter *adap, unsigned int mbox,
+int t4_i2c_io(struct adapter *adap, unsigned int mbox,
              int port, unsigned int devid,
              unsigned int offset, unsigned int len,
-             u8 *buf)
+             u8 *buf, bool write)
 {
-       u32 ldst_addrspace;
-       struct fw_ldst_cmd ldst;
-       int ret;
+       struct fw_ldst_cmd ldst_cmd, ldst_rpl;
+       unsigned int i2c_max = sizeof(ldst_cmd.u.i2c.data);
+       int ret = 0;
 
-       if (port >= 4 ||
-           devid >= 256 ||
-           offset >= 256 ||
-           len > sizeof ldst.u.i2c.data)
+       if (len > I2C_PAGE_SIZE)
                return -EINVAL;
 
-       memset(&ldst, 0, sizeof ldst);
-       ldst_addrspace = V_FW_LDST_CMD_ADDRSPACE(FW_LDST_ADDRSPC_I2C);
-       ldst.op_to_addrspace =
+       /* Dont allow reads that spans multiple pages */
+       if (offset < I2C_PAGE_SIZE && offset + len > I2C_PAGE_SIZE)
+               return -EINVAL;
+
+       memset(&ldst_cmd, 0, sizeof(ldst_cmd));
+       ldst_cmd.op_to_addrspace =
                cpu_to_be32(V_FW_CMD_OP(FW_LDST_CMD) |
                            F_FW_CMD_REQUEST |
-                           F_FW_CMD_READ |
-                           ldst_addrspace);
-       ldst.cycles_to_len16 = cpu_to_be32(FW_LEN16(ldst));
-       ldst.u.i2c.pid = (port < 0 ? 0xff : port);
-       ldst.u.i2c.did = devid;
-       ldst.u.i2c.boffset = offset;
-       ldst.u.i2c.blen = len;
-       ret = t4_wr_mbox(adap, mbox, &ldst, sizeof ldst, &ldst);
-       if (!ret)
-               memcpy(buf, ldst.u.i2c.data, len);
+                           (write ? F_FW_CMD_WRITE : F_FW_CMD_READ) |
+                           V_FW_LDST_CMD_ADDRSPACE(FW_LDST_ADDRSPC_I2C));
+       ldst_cmd.cycles_to_len16 = cpu_to_be32(FW_LEN16(ldst_cmd));
+       ldst_cmd.u.i2c.pid = (port < 0 ? 0xff : port);
+       ldst_cmd.u.i2c.did = devid;
+
+       while (len > 0) {
+               unsigned int i2c_len = (len < i2c_max) ? len : i2c_max;
+
+               ldst_cmd.u.i2c.boffset = offset;
+               ldst_cmd.u.i2c.blen = i2c_len;
+
+               if (write)
+                       memcpy(ldst_cmd.u.i2c.data, buf, i2c_len);
+
+               ret = t4_wr_mbox(adap, mbox, &ldst_cmd, sizeof(ldst_cmd),
+                                write ? NULL : &ldst_rpl);
+               if (ret)
+                       break;
+
+               if (!write)
+                       memcpy(buf, ldst_rpl.u.i2c.data, i2c_len);
+               offset += i2c_len;
+               buf += i2c_len;
+               len -= i2c_len;
+       }
+
        return ret;
 }
 
-/**
- *     t4_i2c_wr - write I2C data to adapter
- *     @adap: the adapter
- *     @port: Port number if per-port device; <0 if not
- *     @devid: per-port device ID or absolute device ID
- *     @offset: byte offset into device I2C space
- *     @len: byte length of I2C space data
- *     @buf: buffer containing new I2C data
- *
- *     Write the I2C data to the indicated device and location.
- */
-int t4_i2c_wr(struct adapter *adap, unsigned int mbox,
+int t4_i2c_rd(struct adapter *adap, unsigned int mbox,
              int port, unsigned int devid,
              unsigned int offset, unsigned int len,
              u8 *buf)
 {
-       u32 ldst_addrspace;
-       struct fw_ldst_cmd ldst;
+       return t4_i2c_io(adap, mbox, port, devid, offset, len, buf, false);
+}
 
-       if (port >= 4 ||
-           devid >= 256 ||
-           offset >= 256 ||
-           len > sizeof ldst.u.i2c.data)
-               return -EINVAL;
-
-       memset(&ldst, 0, sizeof ldst);
-       ldst_addrspace = V_FW_LDST_CMD_ADDRSPACE(FW_LDST_ADDRSPC_I2C);
-       ldst.op_to_addrspace =
-               cpu_to_be32(V_FW_CMD_OP(FW_LDST_CMD) |
-                           F_FW_CMD_REQUEST |
-                           F_FW_CMD_WRITE |
-                           ldst_addrspace);
-       ldst.cycles_to_len16 = cpu_to_be32(FW_LEN16(ldst));
-       ldst.u.i2c.pid = (port < 0 ? 0xff : port);
-       ldst.u.i2c.did = devid;
-       ldst.u.i2c.boffset = offset;
-       ldst.u.i2c.blen = len;
-       memcpy(ldst.u.i2c.data, buf, len);
-       return t4_wr_mbox(adap, mbox, &ldst, sizeof ldst, &ldst);
+int t4_i2c_wr(struct adapter *adap, unsigned int mbox,
+             int port, unsigned int devid,
+             unsigned int offset, unsigned int len,
+             u8 *buf)
+{
+       return t4_i2c_io(adap, mbox, port, devid, offset, len, buf, true);
 }
 
 /**
@@ -10841,4 +11100,220 @@ int t4_set_devlog_level(struct adapter *adapter, unsig
        devlog_cmd.retval_len16 = cpu_to_be32(FW_LEN16(devlog_cmd));
        return t4_wr_mbox(adapter, adapter->mbox, &devlog_cmd,
                          sizeof(devlog_cmd), &devlog_cmd);
+}
+
+int t4_configure_add_smac(struct adapter *adap)
+{
+       unsigned int param, val;
+       int ret = 0;
+
+       adap->params.smac_add_support = 0;
+       param = (V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) |
+                 V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_ADD_SMAC));
+       /* Query FW to check if FW supports adding source mac address
+        * to TCAM feature or not.
+        * If FW returns 1, driver can use this feature and driver need to send
+        * FW_PARAMS_PARAM_DEV_ADD_SMAC write command with value 1 to
+        * enable adding smac to TCAM.
+        */
+       ret = t4_query_params(adap, adap->mbox, adap->pf, 0, 1, &param, &val);
+       if (ret)
+               return ret;
+
+       if (val == 1) {
+               ret = t4_set_params(adap, adap->mbox, adap->pf, 0, 1,
+                                   &param, &val);
+               if (!ret)
+                       /* Firmware allows adding explicit TCAM entries.
+                        * Save this internally.
+                        */
+                       adap->params.smac_add_support = 1;
+       }
+
+       return ret;
+}
+
+int t4_configure_ringbb(struct adapter *adap)
+{
+       unsigned int param, val;
+       int ret = 0;
+
+       param = (V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) |
+                 V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_RING_BACKBONE));
+       /* Query FW to check if FW supports ring switch feature or not.
+        * If FW returns 1, driver can use this feature and driver need to send
+        * FW_PARAMS_PARAM_DEV_RING_BACKBONE write command with value 1 to
+        * enable the ring backbone configuration.
+        */
+       ret = t4_query_params(adap, adap->mbox, adap->pf, 0, 1, &param, &val);
+       if (ret < 0) {
+               CH_ERR(adap, "Querying FW using Ring backbone params command 
failed, err=%d\n",
+                       ret);
+               goto out;
+       }
+
+       if (val != 1) {
+               CH_ERR(adap, "FW doesnot support ringbackbone features\n");
+               goto out;
+       }
+
+       ret = t4_set_params(adap, adap->mbox, adap->pf, 0, 1, &param, &val);
+       if (ret < 0) {
+               CH_ERR(adap, "Could not set Ringbackbone, err= %d\n",
+                       ret);
+               goto out;
+       }
+
+out:
+       return ret;
+}
+
+/*
+ *     t4_set_vlan_acl - Set a VLAN id for the specified VF
+ *     @adapter: the adapter
+ *     @mbox: mailbox to use for the FW command
+ *     @vf: one of the VFs instantiated by the specified PF
+ *     @vlan: The vlanid to be set
+ *
+ */
+int t4_set_vlan_acl(struct adapter *adap, unsigned int mbox, unsigned int vf,
+                   u16 vlan)
+{
+       struct fw_acl_vlan_cmd vlan_cmd;
+       unsigned int enable;
+
+       enable = (vlan ? F_FW_ACL_VLAN_CMD_EN : 0);
+       memset(&vlan_cmd, 0, sizeof(vlan_cmd));
+       vlan_cmd.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_ACL_VLAN_CMD) |
+                                        F_FW_CMD_REQUEST |
+                                        F_FW_CMD_WRITE |
+                                        F_FW_CMD_EXEC |
+                                        V_FW_ACL_VLAN_CMD_PFN(adap->pf) |
+                                        V_FW_ACL_VLAN_CMD_VFN(vf));
+       vlan_cmd.en_to_len16 = cpu_to_be32(enable | FW_LEN16(vlan_cmd));
+       /* Drop all packets that donot match vlan id */
+       vlan_cmd.dropnovlan_fm = (enable
+                                 ? (F_FW_ACL_VLAN_CMD_DROPNOVLAN |
+                                    F_FW_ACL_VLAN_CMD_FM)
+                                 : 0);
+       if (enable != 0) {
+               vlan_cmd.nvlan = 1;
+               vlan_cmd.vlanid[0] = cpu_to_be16(vlan);
+       }
+
+       return t4_wr_mbox(adap, adap->mbox, &vlan_cmd, sizeof(vlan_cmd), NULL);
+}
+
+/**
+ *     t4_del_mac - Removes the exact-match filter for a MAC address
+ *     @adap: the adapter
+ *     @mbox: mailbox to use for the FW command
+ *     @viid: the VI id
+ *     @addr: the MAC address value
+ *     @smac: if true, delete from only the smac region of MPS
+ *
+ *     Modifies an exact-match filter and sets it to the new MAC address if
+ *     @idx >= 0, or adds the MAC address to a new filter if @idx < 0.  In the
+ *     latter case the address is added persistently if @persist is %true.
+ *
+ *     Returns a negative error number or the index of the filter with the new
+ *     MAC value.  Note that this index may differ from @idx.
+ */
+int t4_del_mac(struct adapter *adap, unsigned int mbox, unsigned int viid,
+              const u8 *addr, bool smac)
+{
+       int ret;
+       struct fw_vi_mac_cmd c;
+       struct fw_vi_mac_exact *p = c.u.exact;
+       unsigned int max_mac_addr = adap->chip_params->mps_tcam_size;
+
+       memset(&c, 0, sizeof(c));
+       c.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_VI_MAC_CMD) |
+                                  F_FW_CMD_REQUEST | F_FW_CMD_WRITE |
+                                  V_FW_VI_MAC_CMD_VIID(viid));
+       c.freemacs_to_len16 = cpu_to_be32(
+                                       V_FW_CMD_LEN16(1) |
+                                       (smac ? F_FW_VI_MAC_CMD_IS_SMAC : 0));
+
+       memcpy(p->macaddr, addr, sizeof(p->macaddr));
+       p->valid_to_idx = cpu_to_be16(
+                               F_FW_VI_MAC_CMD_VALID |
+                               V_FW_VI_MAC_CMD_IDX(FW_VI_MAC_MAC_BASED_FREE));
+
+       ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c);
+       if (ret == 0) {
+               ret = G_FW_VI_MAC_CMD_IDX(be16_to_cpu(p->valid_to_idx));
+               if (ret < max_mac_addr)
+                       return -ENOMEM;
+       }
+
+       return ret;
+}
+
+/**
+ *     t4_add_mac - Adds an exact-match filter for a MAC address
+ *     @adap: the adapter
+ *     @mbox: mailbox to use for the FW command
+ *     @viid: the VI id
+ *     @idx: index of existing filter for old value of MAC address, or -1
+ *     @addr: the new MAC address value
+ *     @persist: whether a new MAC allocation should be persistent
+ *     @add_smt: if true also add the address to the HW SMT
+ *     @smac: if true, update only the smac region of MPS
+ *
+ *     Modifies an exact-match filter and sets it to the new MAC address if
+ *     @idx >= 0, or adds the MAC address to a new filter if @idx < 0.  In the
+ *     latter case the address is added persistently if @persist is %true.
+ *
+ *     Returns a negative error number or the index of the filter with the new
+ *     MAC value.  Note that this index may differ from @idx.
+ */
+int t4_add_mac(struct adapter *adap, unsigned int mbox, unsigned int viid,
+              int idx, const u8 *addr, bool persist, u8 *smt_idx, bool smac)
+{
+       int ret, mode;
+       struct fw_vi_mac_cmd c;
+       struct fw_vi_mac_exact *p = c.u.exact;
+       unsigned int max_mac_addr = adap->chip_params->mps_tcam_size;
+
+       if (idx < 0)            /* new allocation */
+               idx = persist ? FW_VI_MAC_ADD_PERSIST_MAC : FW_VI_MAC_ADD_MAC;
+       mode = smt_idx ? FW_VI_MAC_SMT_AND_MPSTCAM : FW_VI_MAC_MPS_TCAM_ENTRY;
+
+       memset(&c, 0, sizeof(c));
+       c.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_VI_MAC_CMD) |
+                                  F_FW_CMD_REQUEST | F_FW_CMD_WRITE |
+                                  V_FW_VI_MAC_CMD_VIID(viid));
+       c.freemacs_to_len16 = cpu_to_be32(
+                               V_FW_CMD_LEN16(1) |
+                               (smac ? F_FW_VI_MAC_CMD_IS_SMAC : 0));
+       p->valid_to_idx = cpu_to_be16(F_FW_VI_MAC_CMD_VALID |
+                                     V_FW_VI_MAC_CMD_SMAC_RESULT(mode) |
+                                     V_FW_VI_MAC_CMD_IDX(idx));
+       memcpy(p->macaddr, addr, sizeof(p->macaddr));
+
+       ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c);
+       if (ret == 0) {
+               ret = G_FW_VI_MAC_CMD_IDX(be16_to_cpu(p->valid_to_idx));
+               if (ret >= max_mac_addr)
+                       return -ENOMEM;
+               if (smt_idx) {
+                       /* Does fw supports returning smt_idx? */
+                       if (adap->params.viid_smt_extn_support)
+                               *smt_idx = 
G_FW_VI_MAC_CMD_SMTID(be32_to_cpu(c.op_to_viid));
+                       else {
+                               /* In T4/T5, SMT contains 256 SMAC entries
+                                * organized in 128 rows of 2 entries each.
+                                * In T6, SMT contains 256 SMAC entries in
+                                * 256 rows.
+                                */
+                               if (chip_id(adap) <= CHELSIO_T5)
+                                       *smt_idx = ((viid & M_FW_VIID_VIN) << 
1);
+                               else
+                                       *smt_idx = (viid & M_FW_VIID_VIN);
+                       }
+               }
+       }
+
+       return ret;
 }

Modified: stable/12/sys/dev/cxgbe/common/t4_hw.h
==============================================================================
--- stable/12/sys/dev/cxgbe/common/t4_hw.h      Tue Aug 25 18:16:40 2020        
(r364775)
+++ stable/12/sys/dev/cxgbe/common/t4_hw.h      Tue Aug 25 18:21:13 2020        
(r364776)
@@ -43,6 +43,7 @@ enum {
        EEPROMVSIZE     = 32768, /* Serial EEPROM virtual address space size */
        EEPROMPFSIZE    = 1024,  /* EEPROM writable area size for PFn, n>0 */
        RSS_NENTRIES    = 2048,  /* # of entries in RSS mapping table */
+       T6_RSS_NENTRIES = 4096,
        TCB_SIZE        = 128,   /* TCB size */
        NMTUS           = 16,    /* size of MTU table */
        NCCTRL_WIN      = 32,    /* # of congestion control windows */
@@ -92,6 +93,7 @@ enum {
        SGE_CTXT_SIZE = 24,       /* size of SGE context */
        SGE_NTIMERS = 6,          /* # of interrupt holdoff timer values */
        SGE_NCOUNTERS = 4,        /* # of interrupt packet counter values */
+       SGE_NDBQTIMERS = 8,       /* # of Doorbell Queue Timer values */
        SGE_MAX_IQ_SIZE = 65520,
        SGE_FLBUF_SIZES = 16,
 };
@@ -298,5 +300,15 @@ enum {
 #define M_SGE_TIMESTAMP 0xfffffffffffffffULL
 #define V_SGE_TIMESTAMP(x) ((__u64)(x) << S_SGE_TIMESTAMP)
 #define G_SGE_TIMESTAMP(x) (((__u64)(x) >> S_SGE_TIMESTAMP) & M_SGE_TIMESTAMP)
+
+#define I2C_DEV_ADDR_A0                0xa0
+#define I2C_DEV_ADDR_A2                0xa2
+#define I2C_PAGE_SIZE          0x100
+#define SFP_DIAG_TYPE_ADDR     0x5c
+#define SFP_DIAG_TYPE_LEN      0x1
+#define SFF_8472_COMP_ADDR     0x5e
+#define SFF_8472_COMP_LEN      0x1
+#define SFF_REV_ADDR           0x1
+#define SFF_REV_LEN            0x1
 
 #endif /* __T4_HW_H */

Modified: stable/12/sys/dev/cxgbe/cudbg/cudbg_lib.c
==============================================================================
--- stable/12/sys/dev/cxgbe/cudbg/cudbg_lib.c   Tue Aug 25 18:16:40 2020        
(r364775)
+++ stable/12/sys/dev/cxgbe/cudbg/cudbg_lib.c   Tue Aug 25 18:21:13 2020        
(r364776)
@@ -576,7 +576,7 @@ static int collect_rss(struct cudbg_init *pdbg_init,
        u32 size;
        int rc = 0;
 
-       size = RSS_NENTRIES  * sizeof(u16);
+       size = padap->chip_params->rss_nentries * sizeof(u16);
        rc = get_scratch_buff(dbg_buff, size, &scratch_buff);
        if (rc)
                goto err;
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