[dpdk-dev,v2,4/5] net/e1000: add module EEPROM callbacks for e1000
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Commit Message
Add new callbacks for eth_dev_ops of e1000 to get the information and
data of plugin module EEPROM.
Signed-off-by: Zijie Pan <zijie.pan@6wind.com>
---
drivers/net/e1000/base/e1000_phy.h | 8 ++++
drivers/net/e1000/igb_ethdev.c | 86 ++++++++++++++++++++++++++++++++++++
2 files changed, 94 insertions(+)
@@ -330,4 +330,12 @@ struct sfp_e1000_flags {
#define E1000_SFF_VENDOR_OUI_AVAGO 0x00176A00
#define E1000_SFF_VENDOR_OUI_INTEL 0x001B2100
+/* EEPROM byte offsets */
+#define IGB_SFF_8472_SWAP 0x5C
+#define IGB_SFF_8472_COMP 0x5E
+
+/* Bitmasks */
+#define IGB_SFF_ADDRESSING_MODE 0x4
+#define IGB_SFF_8472_UNSUP 0x00
+
#endif
@@ -224,6 +224,10 @@ static int eth_igb_get_eeprom(struct rte_eth_dev *dev,
struct rte_dev_eeprom_info *eeprom);
static int eth_igb_set_eeprom(struct rte_eth_dev *dev,
struct rte_dev_eeprom_info *eeprom);
+static int eth_igb_get_module_info(struct rte_eth_dev *dev,
+ struct rte_dev_module_info *modinfo);
+static int eth_igb_get_module_eeprom(struct rte_eth_dev *dev,
+ struct rte_dev_eeprom_info *info);
static int eth_igb_set_mc_addr_list(struct rte_eth_dev *dev,
struct ether_addr *mc_addr_set,
uint32_t nb_mc_addr);
@@ -403,6 +407,8 @@ static void eth_igb_write_ivar(struct e1000_hw *hw, uint8_t msix_vector,
.get_eeprom_length = eth_igb_get_eeprom_length,
.get_eeprom = eth_igb_get_eeprom,
.set_eeprom = eth_igb_set_eeprom,
+ .get_module_info = eth_igb_get_module_info,
+ .get_module_eeprom = eth_igb_get_module_eeprom,
.timesync_adjust_time = igb_timesync_adjust_time,
.timesync_read_time = igb_timesync_read_time,
.timesync_write_time = igb_timesync_write_time,
@@ -5384,6 +5390,86 @@ static void igbvf_set_vfta_all(struct rte_eth_dev *dev, bool on)
}
static int
+eth_igb_get_module_info(struct rte_eth_dev *dev,
+ struct rte_dev_module_info *modinfo)
+{
+ struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+ uint32_t status = 0;
+ uint16_t sff8472_rev, addr_mode;
+ bool page_swap = false;
+
+ if (hw->phy.media_type == e1000_media_type_copper ||
+ hw->phy.media_type == e1000_media_type_unknown)
+ return -EOPNOTSUPP;
+
+ /* Check whether we support SFF-8472 or not */
+ status = e1000_read_phy_reg_i2c(hw, IGB_SFF_8472_COMP, &sff8472_rev);
+ if (status)
+ return -EIO;
+
+ /* addressing mode is not supported */
+ status = e1000_read_phy_reg_i2c(hw, IGB_SFF_8472_SWAP, &addr_mode);
+ if (status)
+ return -EIO;
+
+ /* addressing mode is not supported */
+ if ((addr_mode & 0xFF) & IGB_SFF_ADDRESSING_MODE) {
+ PMD_DRV_LOG(ERR,
+ "Address change required to access page 0xA2, "
+ "but not supported. Please report the module "
+ "type to the driver maintainers.\n");
+ page_swap = true;
+ }
+
+ if ((sff8472_rev & 0xFF) == IGB_SFF_8472_UNSUP || page_swap) {
+ /* We have an SFP, but it does not support SFF-8472 */
+ modinfo->type = ETH_MODULE_SFF_8079;
+ modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
+ } else {
+ /* We have an SFP which supports a revision of SFF-8472 */
+ modinfo->type = ETH_MODULE_SFF_8472;
+ modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
+ }
+
+ return 0;
+}
+
+static int
+eth_igb_get_module_eeprom(struct rte_eth_dev *dev,
+ struct rte_dev_eeprom_info *info)
+{
+ struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+ uint32_t status = 0;
+ uint16_t dataword[ETH_MODULE_SFF_8472_LEN / 2 + 1];
+ u16 first_word, last_word;
+ int i = 0;
+
+ if (info->length == 0)
+ return -EINVAL;
+
+ first_word = info->offset >> 1;
+ last_word = (info->offset + info->length - 1) >> 1;
+
+ /* Read EEPROM block, SFF-8079/SFF-8472, word at a time */
+ for (i = 0; i < last_word - first_word + 1; i++) {
+ status = e1000_read_phy_reg_i2c(hw, (first_word + i) * 2,
+ &dataword[i]);
+ if (status) {
+ /* Error occurred while reading module */
+ return -EIO;
+ }
+
+ dataword[i] = rte_be_to_cpu_16(dataword[i]);
+ }
+
+ memcpy(info->data, (u8 *)dataword + (info->offset & 1), info->length);
+
+ return 0;
+}
+
+static int
eth_igb_rx_queue_intr_disable(struct rte_eth_dev *dev, uint16_t queue_id)
{
struct e1000_hw *hw =