Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
[firefly-linux-kernel-4.4.55.git] / drivers / net / ethernet / broadcom / bnx2x / bnx2x_ethtool.c
index edfa67adf2f975d6b5d6dc382e4cf6d5617a2b3b..88e9b47a3eb6a2255c687fb4b43f54e164b58686 100644 (file)
@@ -1364,11 +1364,27 @@ static int bnx2x_nvram_read(struct bnx2x *bp, u32 offset, u8 *ret_buf,
        return rc;
 }
 
+static int bnx2x_nvram_read32(struct bnx2x *bp, u32 offset, u32 *buf,
+                             int buf_size)
+{
+       int rc;
+
+       rc = bnx2x_nvram_read(bp, offset, (u8 *)buf, buf_size);
+
+       if (!rc) {
+               __be32 *be = (__be32 *)buf;
+
+               while ((buf_size -= 4) >= 0)
+                       *buf++ = be32_to_cpu(*be++);
+       }
+
+       return rc;
+}
+
 static int bnx2x_get_eeprom(struct net_device *dev,
                            struct ethtool_eeprom *eeprom, u8 *eebuf)
 {
        struct bnx2x *bp = netdev_priv(dev);
-       int rc;
 
        if (!netif_running(dev)) {
                DP(BNX2X_MSG_ETHTOOL  | BNX2X_MSG_NVM,
@@ -1383,9 +1399,7 @@ static int bnx2x_get_eeprom(struct net_device *dev,
 
        /* parameters already validated in ethtool_get_eeprom */
 
-       rc = bnx2x_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
-
-       return rc;
+       return bnx2x_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
 }
 
 static int bnx2x_get_module_eeprom(struct net_device *dev,
@@ -1393,10 +1407,9 @@ static int bnx2x_get_module_eeprom(struct net_device *dev,
                                   u8 *data)
 {
        struct bnx2x *bp = netdev_priv(dev);
-       int rc = 0, phy_idx;
+       int rc = -EINVAL, phy_idx;
        u8 *user_data = data;
-       int remaining_len = ee->len, xfer_size;
-       unsigned int page_off = ee->offset;
+       unsigned int start_addr = ee->offset, xfer_size = 0;
 
        if (!netif_running(dev)) {
                DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
@@ -1405,21 +1418,52 @@ static int bnx2x_get_module_eeprom(struct net_device *dev,
        }
 
        phy_idx = bnx2x_get_cur_phy_idx(bp);
-       bnx2x_acquire_phy_lock(bp);
-       while (!rc && remaining_len > 0) {
-               xfer_size = (remaining_len > SFP_EEPROM_PAGE_SIZE) ?
-                       SFP_EEPROM_PAGE_SIZE : remaining_len;
+
+       /* Read A0 section */
+       if (start_addr < ETH_MODULE_SFF_8079_LEN) {
+               /* Limit transfer size to the A0 section boundary */
+               if (start_addr + ee->len > ETH_MODULE_SFF_8079_LEN)
+                       xfer_size = ETH_MODULE_SFF_8079_LEN - start_addr;
+               else
+                       xfer_size = ee->len;
+               bnx2x_acquire_phy_lock(bp);
                rc = bnx2x_read_sfp_module_eeprom(&bp->link_params.phy[phy_idx],
                                                  &bp->link_params,
-                                                 page_off,
+                                                 I2C_DEV_ADDR_A0,
+                                                 start_addr,
                                                  xfer_size,
                                                  user_data);
-               remaining_len -= xfer_size;
+               bnx2x_release_phy_lock(bp);
+               if (rc) {
+                       DP(BNX2X_MSG_ETHTOOL, "Failed reading A0 section\n");
+
+                       return -EINVAL;
+               }
                user_data += xfer_size;
-               page_off += xfer_size;
+               start_addr += xfer_size;
        }
 
-       bnx2x_release_phy_lock(bp);
+       /* Read A2 section */
+       if ((start_addr >= ETH_MODULE_SFF_8079_LEN) &&
+           (start_addr < ETH_MODULE_SFF_8472_LEN)) {
+               xfer_size = ee->len - xfer_size;
+               /* Limit transfer size to the A2 section boundary */
+               if (start_addr + xfer_size > ETH_MODULE_SFF_8472_LEN)
+                       xfer_size = ETH_MODULE_SFF_8472_LEN - start_addr;
+               start_addr -= ETH_MODULE_SFF_8079_LEN;
+               bnx2x_acquire_phy_lock(bp);
+               rc = bnx2x_read_sfp_module_eeprom(&bp->link_params.phy[phy_idx],
+                                                 &bp->link_params,
+                                                 I2C_DEV_ADDR_A2,
+                                                 start_addr,
+                                                 xfer_size,
+                                                 user_data);
+               bnx2x_release_phy_lock(bp);
+               if (rc) {
+                       DP(BNX2X_MSG_ETHTOOL, "Failed reading A2 section\n");
+                       return -EINVAL;
+               }
+       }
        return rc;
 }
 
@@ -1427,24 +1471,50 @@ static int bnx2x_get_module_info(struct net_device *dev,
                                 struct ethtool_modinfo *modinfo)
 {
        struct bnx2x *bp = netdev_priv(dev);
-       int phy_idx;
+       int phy_idx, rc;
+       u8 sff8472_comp, diag_type;
+
        if (!netif_running(dev)) {
-               DP(BNX2X_MSG_ETHTOOL  | BNX2X_MSG_NVM,
+               DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
                   "cannot access eeprom when the interface is down\n");
                return -EAGAIN;
        }
-
        phy_idx = bnx2x_get_cur_phy_idx(bp);
-       switch (bp->link_params.phy[phy_idx].media_type) {
-       case ETH_PHY_SFPP_10G_FIBER:
-       case ETH_PHY_SFP_1G_FIBER:
-       case ETH_PHY_DA_TWINAX:
+       bnx2x_acquire_phy_lock(bp);
+       rc = bnx2x_read_sfp_module_eeprom(&bp->link_params.phy[phy_idx],
+                                         &bp->link_params,
+                                         I2C_DEV_ADDR_A0,
+                                         SFP_EEPROM_SFF_8472_COMP_ADDR,
+                                         SFP_EEPROM_SFF_8472_COMP_SIZE,
+                                         &sff8472_comp);
+       bnx2x_release_phy_lock(bp);
+       if (rc) {
+               DP(BNX2X_MSG_ETHTOOL, "Failed reading SFF-8472 comp field\n");
+               return -EINVAL;
+       }
+
+       bnx2x_acquire_phy_lock(bp);
+       rc = bnx2x_read_sfp_module_eeprom(&bp->link_params.phy[phy_idx],
+                                         &bp->link_params,
+                                         I2C_DEV_ADDR_A0,
+                                         SFP_EEPROM_DIAG_TYPE_ADDR,
+                                         SFP_EEPROM_DIAG_TYPE_SIZE,
+                                         &diag_type);
+       bnx2x_release_phy_lock(bp);
+       if (rc) {
+               DP(BNX2X_MSG_ETHTOOL, "Failed reading Diag Type field\n");
+               return -EINVAL;
+       }
+
+       if (!sff8472_comp ||
+           (diag_type & SFP_EEPROM_DIAG_ADDR_CHANGE_REQ)) {
                modinfo->type = ETH_MODULE_SFF_8079;
                modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
-               return 0;
-       default:
-               return -EOPNOTSUPP;
+       } else {
+               modinfo->type = ETH_MODULE_SFF_8472;
+               modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
        }
+       return 0;
 }
 
 static int bnx2x_nvram_write_dword(struct bnx2x *bp, u32 offset, u32 val,
@@ -1496,9 +1566,8 @@ static int bnx2x_nvram_write1(struct bnx2x *bp, u32 offset, u8 *data_buf,
                              int buf_size)
 {
        int rc;
-       u32 cmd_flags;
-       u32 align_offset;
-       __be32 val;
+       u32 cmd_flags, align_offset, val;
+       __be32 val_be;
 
        if (offset + buf_size > bp->common.flash_size) {
                DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
@@ -1517,16 +1586,16 @@ static int bnx2x_nvram_write1(struct bnx2x *bp, u32 offset, u8 *data_buf,
 
        cmd_flags = (MCPR_NVM_COMMAND_FIRST | MCPR_NVM_COMMAND_LAST);
        align_offset = (offset & ~0x03);
-       rc = bnx2x_nvram_read_dword(bp, align_offset, &val, cmd_flags);
+       rc = bnx2x_nvram_read_dword(bp, align_offset, &val_be, cmd_flags);
 
        if (rc == 0) {
-               val &= ~(0xff << BYTE_OFFSET(offset));
-               val |= (*data_buf << BYTE_OFFSET(offset));
-
                /* nvram data is returned as an array of bytes
                 * convert it back to cpu order
                 */
-               val = be32_to_cpu(val);
+               val = be32_to_cpu(val_be);
+
+               val &= ~le32_to_cpu(0xff << BYTE_OFFSET(offset));
+               val |= le32_to_cpu(*data_buf << BYTE_OFFSET(offset));
 
                rc = bnx2x_nvram_write_dword(bp, align_offset, val,
                                             cmd_flags);
@@ -2526,14 +2595,168 @@ static int bnx2x_test_ext_loopback(struct bnx2x *bp)
        return rc;
 }
 
+struct code_entry {
+       u32 sram_start_addr;
+       u32 code_attribute;
+#define CODE_IMAGE_TYPE_MASK                   0xf0800003
+#define CODE_IMAGE_VNTAG_PROFILES_DATA         0xd0000003
+#define CODE_IMAGE_LENGTH_MASK                 0x007ffffc
+#define CODE_IMAGE_TYPE_EXTENDED_DIR           0xe0000000
+       u32 nvm_start_addr;
+};
+
+#define CODE_ENTRY_MAX                 16
+#define CODE_ENTRY_EXTENDED_DIR_IDX    15
+#define MAX_IMAGES_IN_EXTENDED_DIR     64
+#define NVRAM_DIR_OFFSET               0x14
+
+#define EXTENDED_DIR_EXISTS(code)                                        \
+       ((code & CODE_IMAGE_TYPE_MASK) == CODE_IMAGE_TYPE_EXTENDED_DIR && \
+        (code & CODE_IMAGE_LENGTH_MASK) != 0)
+
 #define CRC32_RESIDUAL                 0xdebb20e3
+#define CRC_BUFF_SIZE                  256
+
+static int bnx2x_nvram_crc(struct bnx2x *bp,
+                          int offset,
+                          int size,
+                          u8 *buff)
+{
+       u32 crc = ~0;
+       int rc = 0, done = 0;
+
+       DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
+          "NVRAM CRC from 0x%08x to 0x%08x\n", offset, offset + size);
+
+       while (done < size) {
+               int count = min_t(int, size - done, CRC_BUFF_SIZE);
+
+               rc = bnx2x_nvram_read(bp, offset + done, buff, count);
+
+               if (rc)
+                       return rc;
+
+               crc = crc32_le(crc, buff, count);
+               done += count;
+       }
+
+       if (crc != CRC32_RESIDUAL)
+               rc = -EINVAL;
+
+       return rc;
+}
+
+static int bnx2x_test_nvram_dir(struct bnx2x *bp,
+                               struct code_entry *entry,
+                               u8 *buff)
+{
+       size_t size = entry->code_attribute & CODE_IMAGE_LENGTH_MASK;
+       u32 type = entry->code_attribute & CODE_IMAGE_TYPE_MASK;
+       int rc;
+
+       /* Zero-length images and AFEX profiles do not have CRC */
+       if (size == 0 || type == CODE_IMAGE_VNTAG_PROFILES_DATA)
+               return 0;
+
+       rc = bnx2x_nvram_crc(bp, entry->nvm_start_addr, size, buff);
+       if (rc)
+               DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
+                  "image %x has failed crc test (rc %d)\n", type, rc);
+
+       return rc;
+}
+
+static int bnx2x_test_dir_entry(struct bnx2x *bp, u32 addr, u8 *buff)
+{
+       int rc;
+       struct code_entry entry;
+
+       rc = bnx2x_nvram_read32(bp, addr, (u32 *)&entry, sizeof(entry));
+       if (rc)
+               return rc;
+
+       return bnx2x_test_nvram_dir(bp, &entry, buff);
+}
+
+static int bnx2x_test_nvram_ext_dirs(struct bnx2x *bp, u8 *buff)
+{
+       u32 rc, cnt, dir_offset = NVRAM_DIR_OFFSET;
+       struct code_entry entry;
+       int i;
+
+       rc = bnx2x_nvram_read32(bp,
+                               dir_offset +
+                               sizeof(entry) * CODE_ENTRY_EXTENDED_DIR_IDX,
+                               (u32 *)&entry, sizeof(entry));
+       if (rc)
+               return rc;
+
+       if (!EXTENDED_DIR_EXISTS(entry.code_attribute))
+               return 0;
+
+       rc = bnx2x_nvram_read32(bp, entry.nvm_start_addr,
+                               &cnt, sizeof(u32));
+       if (rc)
+               return rc;
+
+       dir_offset = entry.nvm_start_addr + 8;
+
+       for (i = 0; i < cnt && i < MAX_IMAGES_IN_EXTENDED_DIR; i++) {
+               rc = bnx2x_test_dir_entry(bp, dir_offset +
+                                             sizeof(struct code_entry) * i,
+                                         buff);
+               if (rc)
+                       return rc;
+       }
+
+       return 0;
+}
+
+static int bnx2x_test_nvram_dirs(struct bnx2x *bp, u8 *buff)
+{
+       u32 rc, dir_offset = NVRAM_DIR_OFFSET;
+       int i;
+
+       DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, "NVRAM DIRS CRC test-set\n");
+
+       for (i = 0; i < CODE_ENTRY_EXTENDED_DIR_IDX; i++) {
+               rc = bnx2x_test_dir_entry(bp, dir_offset +
+                                             sizeof(struct code_entry) * i,
+                                         buff);
+               if (rc)
+                       return rc;
+       }
+
+       return bnx2x_test_nvram_ext_dirs(bp, buff);
+}
+
+struct crc_pair {
+       int offset;
+       int size;
+};
+
+static int bnx2x_test_nvram_tbl(struct bnx2x *bp,
+                               const struct crc_pair *nvram_tbl, u8 *buf)
+{
+       int i;
+
+       for (i = 0; nvram_tbl[i].size; i++) {
+               int rc = bnx2x_nvram_crc(bp, nvram_tbl[i].offset,
+                                        nvram_tbl[i].size, buf);
+               if (rc) {
+                       DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
+                          "nvram_tbl[%d] has failed crc test (rc %d)\n",
+                          i, rc);
+                       return rc;
+               }
+       }
+
+       return 0;
+}
 
 static int bnx2x_test_nvram(struct bnx2x *bp)
 {
-       static const struct {
-               int offset;
-               int size;
-       } nvram_tbl[] = {
+       const struct crc_pair nvram_tbl[] = {
                {     0,  0x14 }, /* bootstrap */
                {  0x14,  0xec }, /* dir */
                { 0x100, 0x350 }, /* manuf_info */
@@ -2542,30 +2765,33 @@ static int bnx2x_test_nvram(struct bnx2x *bp)
                { 0x708,  0x70 }, /* manuf_key_info */
                {     0,     0 }
        };
-       __be32 *buf;
-       u8 *data;
-       int i, rc;
-       u32 magic, crc;
+       const struct crc_pair nvram_tbl2[] = {
+               { 0x7e8, 0x350 }, /* manuf_info2 */
+               { 0xb38,  0xf0 }, /* feature_info */
+               {     0,     0 }
+       };
+
+       u8 *buf;
+       int rc;
+       u32 magic;
 
        if (BP_NOMCP(bp))
                return 0;
 
-       buf = kmalloc(0x350, GFP_KERNEL);
+       buf = kmalloc(CRC_BUFF_SIZE, GFP_KERNEL);
        if (!buf) {
                DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, "kmalloc failed\n");
                rc = -ENOMEM;
                goto test_nvram_exit;
        }
-       data = (u8 *)buf;
 
-       rc = bnx2x_nvram_read(bp, 0, data, 4);
+       rc = bnx2x_nvram_read32(bp, 0, &magic, sizeof(magic));
        if (rc) {
                DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
                   "magic value read (rc %d)\n", rc);
                goto test_nvram_exit;
        }
 
-       magic = be32_to_cpu(buf[0]);
        if (magic != 0x669955aa) {
                DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
                   "wrong magic value (0x%08x)\n", magic);
@@ -2573,25 +2799,26 @@ static int bnx2x_test_nvram(struct bnx2x *bp)
                goto test_nvram_exit;
        }
 
-       for (i = 0; nvram_tbl[i].size; i++) {
+       DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, "Port 0 CRC test-set\n");
+       rc = bnx2x_test_nvram_tbl(bp, nvram_tbl, buf);
+       if (rc)
+               goto test_nvram_exit;
 
-               rc = bnx2x_nvram_read(bp, nvram_tbl[i].offset, data,
-                                     nvram_tbl[i].size);
-               if (rc) {
-                       DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
-                          "nvram_tbl[%d] read data (rc %d)\n", i, rc);
-                       goto test_nvram_exit;
-               }
+       if (!CHIP_IS_E1x(bp) && !CHIP_IS_57811xx(bp)) {
+               u32 hide = SHMEM_RD(bp, dev_info.shared_hw_config.config2) &
+                          SHARED_HW_CFG_HIDE_PORT1;
 
-               crc = ether_crc_le(nvram_tbl[i].size, data);
-               if (crc != CRC32_RESIDUAL) {
+               if (!hide) {
                        DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
-                          "nvram_tbl[%d] wrong crc value (0x%08x)\n", i, crc);
-                       rc = -ENODEV;
-                       goto test_nvram_exit;
+                          "Port 1 CRC test-set\n");
+                       rc = bnx2x_test_nvram_tbl(bp, nvram_tbl2, buf);
+                       if (rc)
+                               goto test_nvram_exit;
                }
        }
 
+       rc = bnx2x_test_nvram_dirs(bp, buf);
+
 test_nvram_exit:
        kfree(buf);
        return rc;
@@ -2637,9 +2864,16 @@ static void bnx2x_self_test(struct net_device *dev,
 
        memset(buf, 0, sizeof(u64) * BNX2X_NUM_TESTS(bp));
 
+       if (bnx2x_test_nvram(bp) != 0) {
+               if (!IS_MF(bp))
+                       buf[4] = 1;
+               else
+                       buf[0] = 1;
+               etest->flags |= ETH_TEST_FL_FAILED;
+       }
+
        if (!netif_running(dev)) {
-               DP(BNX2X_MSG_ETHTOOL,
-                  "Can't perform self-test when interface is down\n");
+               DP(BNX2X_MSG_ETHTOOL, "Interface is down\n");
                return;
        }
 
@@ -2701,13 +2935,7 @@ static void bnx2x_self_test(struct net_device *dev,
                /* wait until link state is restored */
                bnx2x_wait_for_link(bp, link_up, is_serdes);
        }
-       if (bnx2x_test_nvram(bp) != 0) {
-               if (!IS_MF(bp))
-                       buf[4] = 1;
-               else
-                       buf[0] = 1;
-               etest->flags |= ETH_TEST_FL_FAILED;
-       }
+
        if (bnx2x_test_intr(bp) != 0) {
                if (!IS_MF(bp))
                        buf[5] = 1;
@@ -3232,7 +3460,32 @@ static const struct ethtool_ops bnx2x_ethtool_ops = {
        .get_ts_info            = ethtool_op_get_ts_info,
 };
 
-void bnx2x_set_ethtool_ops(struct net_device *netdev)
+static const struct ethtool_ops bnx2x_vf_ethtool_ops = {
+       .get_settings           = bnx2x_get_settings,
+       .set_settings           = bnx2x_set_settings,
+       .get_drvinfo            = bnx2x_get_drvinfo,
+       .get_msglevel           = bnx2x_get_msglevel,
+       .set_msglevel           = bnx2x_set_msglevel,
+       .get_link               = bnx2x_get_link,
+       .get_coalesce           = bnx2x_get_coalesce,
+       .get_ringparam          = bnx2x_get_ringparam,
+       .set_ringparam          = bnx2x_set_ringparam,
+       .get_sset_count         = bnx2x_get_sset_count,
+       .get_strings            = bnx2x_get_strings,
+       .get_ethtool_stats      = bnx2x_get_ethtool_stats,
+       .get_rxnfc              = bnx2x_get_rxnfc,
+       .set_rxnfc              = bnx2x_set_rxnfc,
+       .get_rxfh_indir_size    = bnx2x_get_rxfh_indir_size,
+       .get_rxfh_indir         = bnx2x_get_rxfh_indir,
+       .set_rxfh_indir         = bnx2x_set_rxfh_indir,
+       .get_channels           = bnx2x_get_channels,
+       .set_channels           = bnx2x_set_channels,
+};
+
+void bnx2x_set_ethtool_ops(struct bnx2x *bp, struct net_device *netdev)
 {
-       SET_ETHTOOL_OPS(netdev, &bnx2x_ethtool_ops);
+       if (IS_PF(bp))
+               SET_ETHTOOL_OPS(netdev, &bnx2x_ethtool_ops);
+       else /* vf */
+               SET_ETHTOOL_OPS(netdev, &bnx2x_vf_ethtool_ops);
 }