Date: Mon, 4 Jan 2016 09:56:58 +0000 (UTC) From: Hans Petter Selasky <hselasky@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-10@freebsd.org Subject: svn commit: r293157 - stable/10/sys/dev/mlx5/mlx5_en Message-ID: <201601040956.u049uwwt033145@repo.freebsd.org>
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Author: hselasky Date: Mon Jan 4 09:56:57 2016 New Revision: 293157 URL: https://svnweb.freebsd.org/changeset/base/293157 Log: MFC r292948: Allow I2C to read address 0x51 as well as address 0x50. Submitted by: Shahar Klein <shahark@mellanox.com> Sponsored by: Mellanox Technologies Modified: stable/10/sys/dev/mlx5/mlx5_en/mlx5_en_main.c Directory Properties: stable/10/ (props changed) Modified: stable/10/sys/dev/mlx5/mlx5_en/mlx5_en_main.c ============================================================================== --- stable/10/sys/dev/mlx5/mlx5_en/mlx5_en_main.c Mon Jan 4 09:55:21 2016 (r293156) +++ stable/10/sys/dev/mlx5/mlx5_en/mlx5_en_main.c Mon Jan 4 09:56:57 2016 (r293157) @@ -2298,6 +2298,7 @@ mlx5e_ioctl(struct ifnet *ifp, u_long co int size_read = 0; int module_num; int max_mtu; + uint8_t read_addr; priv = ifp->if_softc; @@ -2484,11 +2485,21 @@ out: } /* - * Note that we ignore i2c.addr here. The driver hardcodes - * the address to 0x50, while standard expects it to be 0xA0. + * Currently 0XA0 and 0xA2 are the only addresses permitted. + * The internal conversion is as follows: */ + if (i2c.dev_addr == 0xA0) + read_addr = MLX5E_I2C_ADDR_LOW; + else if (i2c.dev_addr == 0xA2) + read_addr = MLX5E_I2C_ADDR_HIGH; + else { + if_printf(ifp, "Query eeprom failed, " + "Invalid Address: %X\n", i2c.dev_addr); + error = EINVAL; + goto err_i2c; + } error = mlx5_query_eeprom(priv->mdev, - MLX5E_I2C_ADDR_LOW, MLX5E_EEPROM_LOW_PAGE, + read_addr, MLX5E_EEPROM_LOW_PAGE, (uint32_t)i2c.offset, (uint32_t)i2c.len, module_num, (uint32_t *)i2c.data, &size_read); if (error) { @@ -2499,7 +2510,7 @@ out: if (i2c.len > MLX5_EEPROM_MAX_BYTES) { error = mlx5_query_eeprom(priv->mdev, - MLX5E_I2C_ADDR_LOW, MLX5E_EEPROM_LOW_PAGE, + read_addr, MLX5E_EEPROM_LOW_PAGE, (uint32_t)(i2c.offset + size_read), (uint32_t)(i2c.len - size_read), module_num, (uint32_t *)(i2c.data + size_read), &size_read);
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