add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/net/ethernet/sfc/mcdi_port_common.c
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@@ -974,12 +974,15 @@
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 	/* A QSFP+ NIC may actually have an SFP+ module attached.
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 	 * The ID is page 0, byte 0.
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+	 * QSFP28 is of type SFF_8636, however, this is treated
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+	 * the same by ethtool, so we can also treat them the same.
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 	 */
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 	switch (efx_mcdi_phy_get_module_eeprom_byte(efx, 0, 0)) {
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-	case 0x3:
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+	case 0x3: /* SFP */
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 		return MC_CMD_MEDIA_SFP_PLUS;
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-	case 0xc:
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-	case 0xd:
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+	case 0xc: /* QSFP */
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+	case 0xd: /* QSFP+ */
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+	case 0x11: /* QSFP28 */
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 		return MC_CMD_MEDIA_QSFP_PLUS;
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 	default:
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 		return 0;
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@@ -1077,7 +1080,7 @@
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 	case MC_CMD_MEDIA_QSFP_PLUS:
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 		modinfo->type = ETH_MODULE_SFF_8436;
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-		modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
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+		modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN;
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 		break;
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 	default: