diff options
Diffstat (limited to 'drivers/net/ethernet/intel/i40e/i40e_ddp.c')
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_ddp.c | 44 |
1 files changed, 31 insertions, 13 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_ddp.c b/drivers/net/ethernet/intel/i40e/i40e_ddp.c index 7e8183762fd9..daa9f2c42f70 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_ddp.c +++ b/drivers/net/ethernet/intel/i40e/i40e_ddp.c @@ -1,9 +1,27 @@ // SPDX-License-Identifier: GPL-2.0 /* Copyright(c) 2013 - 2018 Intel Corporation. */ +#include <linux/firmware.h> #include "i40e.h" -#include <linux/firmware.h> +#define I40_DDP_FLASH_REGION 100 +#define I40E_PROFILE_INFO_SIZE 48 +#define I40E_MAX_PROFILE_NUM 16 +#define I40E_PROFILE_LIST_SIZE \ + (I40E_PROFILE_INFO_SIZE * I40E_MAX_PROFILE_NUM + 4) +#define I40E_DDP_PROFILE_PATH "intel/i40e/ddp/" +#define I40E_DDP_PROFILE_NAME_MAX 64 + +struct i40e_ddp_profile_list { + u32 p_count; + struct i40e_profile_info p_info[]; +}; + +struct i40e_ddp_old_profile_list { + struct list_head list; + size_t old_ddp_size; + u8 old_ddp_buf[]; +}; /** * i40e_ddp_profiles_eq - checks if DDP profiles are the equivalent @@ -63,8 +81,8 @@ static int i40e_ddp_does_profile_exist(struct i40e_hw *hw, static bool i40e_ddp_profiles_overlap(struct i40e_profile_info *new, struct i40e_profile_info *old) { - unsigned int group_id_old = (u8)((old->track_id & 0x00FF0000) >> 16); - unsigned int group_id_new = (u8)((new->track_id & 0x00FF0000) >> 16); + unsigned int group_id_old = FIELD_GET(0x00FF0000, old->track_id); + unsigned int group_id_new = FIELD_GET(0x00FF0000, new->track_id); /* 0x00 group must be only the first */ if (group_id_new == 0) @@ -220,7 +238,7 @@ static bool i40e_ddp_is_pkg_hdr_valid(struct net_device *netdev, netdev_err(netdev, "Invalid DDP profile - size is bigger than 4G"); return false; } - if (size < (sizeof(struct i40e_package_header) + + if (size < (sizeof(struct i40e_package_header) + sizeof(u32) + sizeof(struct i40e_metadata_segment) + sizeof(u32) * 2)) { netdev_err(netdev, "Invalid DDP profile - size is too small."); return false; @@ -261,8 +279,8 @@ static bool i40e_ddp_is_pkg_hdr_valid(struct net_device *netdev, * Checks correctness and loads DDP profile to the NIC. The function is * also used for rolling back previously loaded profile. **/ -int i40e_ddp_load(struct net_device *netdev, const u8 *data, size_t size, - bool is_add) +static int i40e_ddp_load(struct net_device *netdev, const u8 *data, size_t size, + bool is_add) { u8 profile_info_sec[sizeof(struct i40e_profile_section_header) + sizeof(struct i40e_profile_info)]; @@ -281,7 +299,7 @@ int i40e_ddp_load(struct net_device *netdev, const u8 *data, size_t size, if (!i40e_ddp_is_pkg_hdr_valid(netdev, pkg_hdr, size)) return -EINVAL; - if (size < (sizeof(struct i40e_package_header) + + if (size < (sizeof(struct i40e_package_header) + sizeof(u32) + sizeof(struct i40e_metadata_segment) + sizeof(u32) * 2)) { netdev_err(netdev, "Invalid DDP recipe size."); return -EINVAL; @@ -344,7 +362,7 @@ int i40e_ddp_load(struct net_device *netdev, const u8 *data, size_t size, if (is_add) { status = i40e_write_profile(&pf->hw, profile_hdr, track_id); if (status) { - if (status == I40E_ERR_DEVICE_NOT_SUPPORTED) { + if (status == -ENODEV) { netdev_err(netdev, "Profile is not supported by the device."); return -EPERM; @@ -389,8 +407,9 @@ int i40e_ddp_load(struct net_device *netdev, const u8 *data, size_t size, **/ static int i40e_ddp_restore(struct i40e_pf *pf) { + struct i40e_vsi *vsi = i40e_pf_get_main_vsi(pf); + struct net_device *netdev = vsi->netdev; struct i40e_ddp_old_profile_list *entry; - struct net_device *netdev = pf->vsi[pf->lan_vsi]->netdev; int status = 0; if (!list_empty(&pf->ddp_old_prof)) { @@ -438,10 +457,9 @@ int i40e_ddp_flash(struct net_device *netdev, struct ethtool_flash *flash) char profile_name[sizeof(I40E_DDP_PROFILE_PATH) + I40E_DDP_PROFILE_NAME_MAX]; - profile_name[sizeof(profile_name) - 1] = 0; - strncpy(profile_name, I40E_DDP_PROFILE_PATH, - sizeof(profile_name) - 1); - strncat(profile_name, flash->data, I40E_DDP_PROFILE_NAME_MAX); + scnprintf(profile_name, sizeof(profile_name), "%s%s", + I40E_DDP_PROFILE_PATH, flash->data); + /* Load DDP recipe. */ status = request_firmware(&ddp_config, profile_name, &netdev->dev); |