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authorLinus Torvalds <torvalds@linux-foundation.org>2024-07-16 19:28:34 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2024-07-16 19:28:34 -0700
commit51835949dda3783d4639cfa74ce13a3c9829de00 (patch)
tree2b593de5eba6ecc73f7c58fc65fdaffae45c7323 /net/ethtool/cmis_fw_update.c
parent0434dbe32053d07d658165be681505120c6b1abc (diff)
parent77ae5e5b00720372af2860efdc4bc652ac682696 (diff)
Merge tag 'net-next-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-nextHEADmaster
Pull networking updates from Jakub Kicinski: "Not much excitement - a handful of large patchsets (devmem among them) did not make it in time. Core & protocols: - Use local_lock in addition to local_bh_disable() to protect per-CPU resources in networking, a step closer for local_bh_disable() not to act as a big lock on PREEMPT_RT - Use flex array for netdevice priv area, ensure its cache alignment - Add a sysctl knob to allow user to specify a default rto_min at socket init time. Bit of a big hammer but multiple companies were independently carrying such patch downstream so clearly it's useful - Support scheduling transmission of packets based on CLOCK_TAI - Un-pin TCP TIMEWAIT timer to avoid it firing on CPUs later cordoned off using cpusets - Support multiple L2TPv3 UDP tunnels using the same 5-tuple address - Allow configuration of multipath hash seed, to both allow synchronizing hashing of two routers, and preventing partial accidental sync - Improve TCP compliance with RFC 9293 for simultaneous connect() - Support sending NAT keepalives in IPsec ESP in UDP states. Userspace IKE daemon had to do this before, but the kernel can better keep track of it - Support sending supervision HSR frames with MAC addresses stored in ProxyNodeTable when RedBox (i.e. HSR-SAN) is enabled - Introduce IPPROTO_SMC for selecting SMC when socket is created - Allow UDP GSO transmit from devices with no checksum offload - openvswitch: add packet sampling via psample, separating the sampled traffic from "upcall" packets sent to user space for forwarding - nf_tables: shrink memory consumption for transaction objects Things we sprinkled into general kernel code: - Power Sequencing subsystem (used by Qualcomm Bluetooth driver for QCA6390) [ Already merged separately - Linus ] - Add IRQ information in sysfs for auxiliary bus - Introduce guard definition for local_lock - Add aligned flavor of __cacheline_group_{begin, end}() markings for grouping fields in structures BPF: - Notify user space (via epoll) when a struct_ops object is getting detached/unregistered - Add new kfuncs for a generic, open-coded bits iterator - Enable BPF programs to declare arrays of kptr, bpf_rb_root, and bpf_list_head - Support resilient split BTF which cuts down on duplication and makes BTF as compact as possible WRT BTF from modules - Add support for dumping kfunc prototypes from BTF which enables both detecting as well as dumping compilable prototypes for kfuncs - riscv64 BPF JIT improvements in particular to add 12-argument support for BPF trampolines and to utilize bpf_prog_pack for the latter - Add the capability to offload the netfilter flowtable in XDP layer through kfuncs Driver API: - Allow users to configure IRQ tresholds between which automatic IRQ moderation can choose - Expand Power Sourcing (PoE) status with power, class and failure reason. Support setting power limits - Track additional RSS contexts in the core, make sure configuration changes don't break them - Support IPsec crypto offload for IPv6 ESP and IPv4 UDP-encapsulated ESP data paths - Support updating firmware on SFP modules Tests and tooling: - mptcp: use net/lib.sh to manage netns - TCP-AO and TCP-MD5: replace debug prints used by tests with tracepoints - openvswitch: make test self-contained (don't depend on OvS CLI tools) Drivers: - Ethernet high-speed NICs: - Broadcom (bnxt): - increase the max total outstanding PTP TX packets to 4 - add timestamping statistics support - implement netdev_queue_mgmt_ops - support new RSS context API - Intel (100G, ice, idpf): - implement FEC statistics and dumping signal quality indicators - support E825C products (with 56Gbps PHYs) - nVidia/Mellanox: - support HW-GRO - mlx4/mlx5: support per-queue statistics via netlink - obey the max number of EQs setting in sub-functions - AMD/Solarflare: - support new RSS context API - AMD/Pensando: - ionic: rework fix for doorbell miss to lower overhead and skip it on new HW - Wangxun: - txgbe: support Flow Director perfect filters - Ethernet NICs consumer, embedded and virtual: - Add driver for Tehuti Networks TN40xx chips - Add driver for Meta's internal NIC chips - Add driver for Ethernet MAC on Airoha EN7581 SoCs - Add driver for Renesas Ethernet-TSN devices - Google cloud vNIC: - flow steering support - Microsoft vNIC: - support page sizes other than 4KB on ARM64 - vmware vNIC: - support latency measurement (update to version 9) - VirtIO net: - support for Byte Queue Limits - support configuring thresholds for automatic IRQ moderation - support for AF_XDP Rx zero-copy - Synopsys (stmmac): - support for STM32MP13 SoC - let platforms select the right PCS implementation - TI: - icssg-prueth: add multicast filtering support - icssg-prueth: enable PTP timestamping and PPS - Renesas: - ravb: improve Rx performance 30-400% by using page pool, theaded NAPI and timer-based IRQ coalescing - ravb: add MII support for R-Car V4M - Cadence (macb): - macb: add ARP support to Wake-On-LAN - Cortina: - use phylib for RX and TX pause configuration - Ethernet switches: - nVidia/Mellanox: - support configuration of multipath hash seed - report more accurate max MTU - use page_pool to improve Rx performance - MediaTek: - mt7530: add support for bridge port isolation - Qualcomm: - qca8k: add support for bridge port isolation - Microchip: - lan9371/2: add 100BaseTX PHY support - NXP: - vsc73xx: implement VLAN operations - Ethernet PHYs: - aquantia: enable support for aqr115c - aquantia: add support for PHY LEDs - realtek: add support for rtl8224 2.5Gbps PHY - xpcs: add memory-mapped device support - add BroadR-Reach link mode and support in Broadcom's PHY driver - CAN: - add document for ISO 15765-2 protocol support - mcp251xfd: workaround for erratum DS80000789E, use timestamps to catch when device returns incorrect FIFO status - WiFi: - mac80211/cfg80211: - parse Transmit Power Envelope (TPE) data in mac80211 instead of in drivers - improvements for 6 GHz regulatory flexibility - multi-link improvements - support multiple radios per wiphy - remove DEAUTH_NEED_MGD_TX_PREP flag - Intel (iwlwifi): - bump FW API to 91 for BZ/SC devices - report 64-bit radiotap timestamp - enable P2P low latency by default - handle Transmit Power Envelope (TPE) advertised by AP - remove support for older FW for new devices - fast resume (keeping the device configured) - mvm: re-enable Multi-Link Operation (MLO) - aggregation (A-MSDU) optimizations - MediaTek (mt76): - mt7925 Multi-Link Operation (MLO) support - Qualcomm (ath10k): - LED support for various chipsets - Qualcomm (ath12k): - remove unsupported Tx monitor handling - support channel 2 in 6 GHz band - support Spatial Multiplexing Power Save (SMPS) in 6 GHz band - supprt multiple BSSID (MBSSID) and Enhanced Multi-BSSID Advertisements (EMA) - support dynamic VLAN - add panic handler for resetting the firmware state - DebugFS support for datapath statistics - WCN7850: support for Wake on WLAN - Microchip (wilc1000): - read MAC address during probe to make it visible to user space - suspend/resume improvements - TI (wl18xx): - support newer firmware versions - RealTek (rtw89): - preparation for RTL8852BE-VT support - Wake on WLAN support for WiFi 6 chips - 36-bit PCI DMA support - RealTek (rtlwifi): - RTL8192DU support - Broadcom (brcmfmac): - Management Frame Protection support (to enable WPA3) - Bluetooth: - qualcomm: use the power sequencer for QCA6390 - btusb: mediatek: add ISO data transmission functions - hci_bcm4377: add BCM4388 support - btintel: add support for BlazarU core - btintel: add support for Whale Peak2 - btnxpuart: add support for AW693 A1 chipset - btnxpuart: add support for IW615 chipset - btusb: add Realtek RTL8852BE support ID 0x13d3:0x3591" * tag 'net-next-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1589 commits) eth: fbnic: Fix spelling mistake "tiggerring" -> "triggering" tcp: Replace strncpy() with strscpy() wifi: ath12k: fix build vs old compiler tcp: Don't access uninit tcp_rsk(req)->ao_keyid in tcp_create_openreq_child(). eth: fbnic: Write the TCAM tables used for RSS control and Rx to host eth: fbnic: Add L2 address programming eth: fbnic: Add basic Rx handling eth: fbnic: Add basic Tx handling eth: fbnic: Add link detection eth: fbnic: Add initial messaging to notify FW of our presence eth: fbnic: Implement Rx queue alloc/start/stop/free eth: fbnic: Implement Tx queue alloc/start/stop/free eth: fbnic: Allocate a netdevice and napi vectors with queues eth: fbnic: Add FW communication mechanism eth: fbnic: Add message parsing for FW messages eth: fbnic: Add register init to set PCIe/Ethernet device config eth: fbnic: Allocate core device specific structures and devlink interface eth: fbnic: Add scaffolding for Meta's NIC driver PCI: Add Meta Platforms vendor ID net/sched: cls_flower: propagate tca[TCA_OPTIONS] to NL_REQ_ATTR_CHECK ...
Diffstat (limited to 'net/ethtool/cmis_fw_update.c')
-rw-r--r--net/ethtool/cmis_fw_update.c399
1 files changed, 399 insertions, 0 deletions
diff --git a/net/ethtool/cmis_fw_update.c b/net/ethtool/cmis_fw_update.c
new file mode 100644
index 000000000000..ae4b4b28a601
--- /dev/null
+++ b/net/ethtool/cmis_fw_update.c
@@ -0,0 +1,399 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+#include <linux/ethtool.h>
+#include <linux/firmware.h>
+
+#include "common.h"
+#include "module_fw.h"
+#include "cmis.h"
+
+struct cmis_fw_update_fw_mng_features {
+ u8 start_cmd_payload_size;
+ u16 max_duration_start;
+ u16 max_duration_write;
+ u16 max_duration_complete;
+};
+
+/* See section 9.4.2 "CMD 0041h: Firmware Management Features" in CMIS standard
+ * revision 5.2.
+ * struct cmis_cdb_fw_mng_features_rpl is a structured layout of the flat
+ * array, ethtool_cmis_cdb_rpl::payload.
+ */
+struct cmis_cdb_fw_mng_features_rpl {
+ u8 resv1;
+ u8 resv2;
+ u8 start_cmd_payload_size;
+ u8 resv3;
+ u8 read_write_len_ext;
+ u8 write_mechanism;
+ u8 resv4;
+ u8 resv5;
+ __be16 max_duration_start;
+ __be16 resv6;
+ __be16 max_duration_write;
+ __be16 max_duration_complete;
+ __be16 resv7;
+};
+
+#define CMIS_CDB_FW_WRITE_MECHANISM_LPL 0x01
+
+static int
+cmis_fw_update_fw_mng_features_get(struct ethtool_cmis_cdb *cdb,
+ struct net_device *dev,
+ struct cmis_fw_update_fw_mng_features *fw_mng,
+ struct ethnl_module_fw_flash_ntf_params *ntf_params)
+{
+ struct ethtool_cmis_cdb_cmd_args args = {};
+ struct cmis_cdb_fw_mng_features_rpl *rpl;
+ u8 flags = CDB_F_STATUS_VALID;
+ int err;
+
+ ethtool_cmis_cdb_check_completion_flag(cdb->cmis_rev, &flags);
+ ethtool_cmis_cdb_compose_args(&args,
+ ETHTOOL_CMIS_CDB_CMD_FW_MANAGMENT_FEATURES,
+ NULL, 0, cdb->max_completion_time,
+ cdb->read_write_len_ext, 1000,
+ sizeof(*rpl), flags);
+
+ err = ethtool_cmis_cdb_execute_cmd(dev, &args);
+ if (err < 0) {
+ ethnl_module_fw_flash_ntf_err(dev, ntf_params,
+ "FW Management Features command failed",
+ args.err_msg);
+ return err;
+ }
+
+ rpl = (struct cmis_cdb_fw_mng_features_rpl *)args.req.payload;
+ if (!(rpl->write_mechanism == CMIS_CDB_FW_WRITE_MECHANISM_LPL)) {
+ ethnl_module_fw_flash_ntf_err(dev, ntf_params,
+ "Write LPL is not supported",
+ NULL);
+ return -EOPNOTSUPP;
+ }
+
+ /* Above, we used read_write_len_ext that we got from CDB
+ * advertisement. Update it with the value that we got from module
+ * features query, which is specific for Firmware Management Commands
+ * (IDs 0100h-01FFh).
+ */
+ cdb->read_write_len_ext = rpl->read_write_len_ext;
+ fw_mng->start_cmd_payload_size = rpl->start_cmd_payload_size;
+ fw_mng->max_duration_start = be16_to_cpu(rpl->max_duration_start);
+ fw_mng->max_duration_write = be16_to_cpu(rpl->max_duration_write);
+ fw_mng->max_duration_complete = be16_to_cpu(rpl->max_duration_complete);
+
+ return 0;
+}
+
+/* See section 9.7.2 "CMD 0101h: Start Firmware Download" in CMIS standard
+ * revision 5.2.
+ * struct cmis_cdb_start_fw_download_pl is a structured layout of the
+ * flat array, ethtool_cmis_cdb_request::payload.
+ */
+struct cmis_cdb_start_fw_download_pl {
+ __struct_group(cmis_cdb_start_fw_download_pl_h, head, /* no attrs */,
+ __be32 image_size;
+ __be32 resv1;
+ );
+ u8 vendor_data[ETHTOOL_CMIS_CDB_LPL_MAX_PL_LENGTH -
+ sizeof(struct cmis_cdb_start_fw_download_pl_h)];
+};
+
+static int
+cmis_fw_update_start_download(struct ethtool_cmis_cdb *cdb,
+ struct ethtool_cmis_fw_update_params *fw_update,
+ struct cmis_fw_update_fw_mng_features *fw_mng)
+{
+ u8 vendor_data_size = fw_mng->start_cmd_payload_size;
+ struct cmis_cdb_start_fw_download_pl pl = {};
+ struct ethtool_cmis_cdb_cmd_args args = {};
+ u8 lpl_len;
+ int err;
+
+ pl.image_size = cpu_to_be32(fw_update->fw->size);
+ memcpy(pl.vendor_data, fw_update->fw->data, vendor_data_size);
+
+ lpl_len = offsetof(struct cmis_cdb_start_fw_download_pl,
+ vendor_data[vendor_data_size]);
+
+ ethtool_cmis_cdb_compose_args(&args,
+ ETHTOOL_CMIS_CDB_CMD_START_FW_DOWNLOAD,
+ (u8 *)&pl, lpl_len,
+ fw_mng->max_duration_start,
+ cdb->read_write_len_ext, 1000, 0,
+ CDB_F_COMPLETION_VALID | CDB_F_STATUS_VALID);
+
+ err = ethtool_cmis_cdb_execute_cmd(fw_update->dev, &args);
+ if (err < 0)
+ ethnl_module_fw_flash_ntf_err(fw_update->dev,
+ &fw_update->ntf_params,
+ "Start FW download command failed",
+ args.err_msg);
+
+ return err;
+}
+
+/* See section 9.7.4 "CMD 0103h: Write Firmware Block LPL" in CMIS standard
+ * revision 5.2.
+ * struct cmis_cdb_write_fw_block_lpl_pl is a structured layout of the
+ * flat array, ethtool_cmis_cdb_request::payload.
+ */
+struct cmis_cdb_write_fw_block_lpl_pl {
+ __be32 block_address;
+ u8 fw_block[ETHTOOL_CMIS_CDB_LPL_MAX_PL_LENGTH - sizeof(__be32)];
+};
+
+static int
+cmis_fw_update_write_image(struct ethtool_cmis_cdb *cdb,
+ struct ethtool_cmis_fw_update_params *fw_update,
+ struct cmis_fw_update_fw_mng_features *fw_mng)
+{
+ u8 start = fw_mng->start_cmd_payload_size;
+ u32 offset, max_block_size, max_lpl_len;
+ u32 image_size = fw_update->fw->size;
+ int err;
+
+ max_lpl_len = min_t(u32,
+ ethtool_cmis_get_max_payload_size(cdb->read_write_len_ext),
+ ETHTOOL_CMIS_CDB_LPL_MAX_PL_LENGTH);
+ max_block_size =
+ max_lpl_len - sizeof_field(struct cmis_cdb_write_fw_block_lpl_pl,
+ block_address);
+
+ for (offset = start; offset < image_size; offset += max_block_size) {
+ struct cmis_cdb_write_fw_block_lpl_pl pl = {
+ .block_address = cpu_to_be32(offset - start),
+ };
+ struct ethtool_cmis_cdb_cmd_args args = {};
+ u32 block_size, lpl_len;
+
+ ethnl_module_fw_flash_ntf_in_progress(fw_update->dev,
+ &fw_update->ntf_params,
+ offset - start,
+ image_size);
+ block_size = min_t(u32, max_block_size, image_size - offset);
+ memcpy(pl.fw_block, &fw_update->fw->data[offset], block_size);
+ lpl_len = block_size +
+ sizeof_field(struct cmis_cdb_write_fw_block_lpl_pl,
+ block_address);
+
+ ethtool_cmis_cdb_compose_args(&args,
+ ETHTOOL_CMIS_CDB_CMD_WRITE_FW_BLOCK_LPL,
+ (u8 *)&pl, lpl_len,
+ fw_mng->max_duration_write,
+ cdb->read_write_len_ext, 1, 0,
+ CDB_F_COMPLETION_VALID | CDB_F_STATUS_VALID);
+
+ err = ethtool_cmis_cdb_execute_cmd(fw_update->dev, &args);
+ if (err < 0) {
+ ethnl_module_fw_flash_ntf_err(fw_update->dev,
+ &fw_update->ntf_params,
+ "Write FW block LPL command failed",
+ args.err_msg);
+ return err;
+ }
+ }
+
+ return 0;
+}
+
+static int
+cmis_fw_update_complete_download(struct ethtool_cmis_cdb *cdb,
+ struct net_device *dev,
+ struct cmis_fw_update_fw_mng_features *fw_mng,
+ struct ethnl_module_fw_flash_ntf_params *ntf_params)
+{
+ struct ethtool_cmis_cdb_cmd_args args = {};
+ int err;
+
+ ethtool_cmis_cdb_compose_args(&args,
+ ETHTOOL_CMIS_CDB_CMD_COMPLETE_FW_DOWNLOAD,
+ NULL, 0, fw_mng->max_duration_complete,
+ cdb->read_write_len_ext, 1000, 0,
+ CDB_F_COMPLETION_VALID | CDB_F_STATUS_VALID);
+
+ err = ethtool_cmis_cdb_execute_cmd(dev, &args);
+ if (err < 0)
+ ethnl_module_fw_flash_ntf_err(dev, ntf_params,
+ "Complete FW download command failed",
+ args.err_msg);
+
+ return err;
+}
+
+static int
+cmis_fw_update_download_image(struct ethtool_cmis_cdb *cdb,
+ struct ethtool_cmis_fw_update_params *fw_update,
+ struct cmis_fw_update_fw_mng_features *fw_mng)
+{
+ int err;
+
+ err = cmis_fw_update_start_download(cdb, fw_update, fw_mng);
+ if (err < 0)
+ return err;
+
+ err = cmis_fw_update_write_image(cdb, fw_update, fw_mng);
+ if (err < 0)
+ return err;
+
+ err = cmis_fw_update_complete_download(cdb, fw_update->dev, fw_mng,
+ &fw_update->ntf_params);
+ if (err < 0)
+ return err;
+
+ return 0;
+}
+
+enum {
+ CMIS_MODULE_LOW_PWR = 1,
+ CMIS_MODULE_READY = 3,
+};
+
+static bool module_is_ready(u8 data)
+{
+ u8 state = (data >> 1) & 7;
+
+ return state == CMIS_MODULE_READY || state == CMIS_MODULE_LOW_PWR;
+}
+
+#define CMIS_MODULE_READY_MAX_DURATION_MSEC 1000
+#define CMIS_MODULE_STATE_OFFSET 3
+
+static int
+cmis_fw_update_wait_for_module_state(struct net_device *dev, u8 flags)
+{
+ u8 state;
+
+ return ethtool_cmis_wait_for_cond(dev, flags, CDB_F_MODULE_STATE_VALID,
+ CMIS_MODULE_READY_MAX_DURATION_MSEC,
+ CMIS_MODULE_STATE_OFFSET,
+ module_is_ready, NULL, &state);
+}
+
+/* See section 9.7.10 "CMD 0109h: Run Firmware Image" in CMIS standard
+ * revision 5.2.
+ * struct cmis_cdb_run_fw_image_pl is a structured layout of the flat
+ * array, ethtool_cmis_cdb_request::payload.
+ */
+struct cmis_cdb_run_fw_image_pl {
+ u8 resv1;
+ u8 image_to_run;
+ u16 delay_to_reset;
+};
+
+static int
+cmis_fw_update_run_image(struct ethtool_cmis_cdb *cdb, struct net_device *dev,
+ struct ethnl_module_fw_flash_ntf_params *ntf_params)
+{
+ struct ethtool_cmis_cdb_cmd_args args = {};
+ struct cmis_cdb_run_fw_image_pl pl = {0};
+ int err;
+
+ ethtool_cmis_cdb_compose_args(&args, ETHTOOL_CMIS_CDB_CMD_RUN_FW_IMAGE,
+ (u8 *)&pl, sizeof(pl),
+ cdb->max_completion_time,
+ cdb->read_write_len_ext, 1000, 0,
+ CDB_F_MODULE_STATE_VALID);
+
+ err = ethtool_cmis_cdb_execute_cmd(dev, &args);
+ if (err < 0) {
+ ethnl_module_fw_flash_ntf_err(dev, ntf_params,
+ "Run image command failed",
+ args.err_msg);
+ return err;
+ }
+
+ err = cmis_fw_update_wait_for_module_state(dev, args.flags);
+ if (err < 0)
+ ethnl_module_fw_flash_ntf_err(dev, ntf_params,
+ "Module is not ready on time after reset",
+ NULL);
+
+ return err;
+}
+
+static int
+cmis_fw_update_commit_image(struct ethtool_cmis_cdb *cdb,
+ struct net_device *dev,
+ struct ethnl_module_fw_flash_ntf_params *ntf_params)
+{
+ struct ethtool_cmis_cdb_cmd_args args = {};
+ int err;
+
+ ethtool_cmis_cdb_compose_args(&args,
+ ETHTOOL_CMIS_CDB_CMD_COMMIT_FW_IMAGE,
+ NULL, 0, cdb->max_completion_time,
+ cdb->read_write_len_ext, 1000, 0,
+ CDB_F_COMPLETION_VALID | CDB_F_STATUS_VALID);
+
+ err = ethtool_cmis_cdb_execute_cmd(dev, &args);
+ if (err < 0)
+ ethnl_module_fw_flash_ntf_err(dev, ntf_params,
+ "Commit image command failed",
+ args.err_msg);
+
+ return err;
+}
+
+static int cmis_fw_update_reset(struct net_device *dev)
+{
+ __u32 reset_data = ETH_RESET_PHY;
+
+ return dev->ethtool_ops->reset(dev, &reset_data);
+}
+
+void
+ethtool_cmis_fw_update(struct ethtool_cmis_fw_update_params *fw_update)
+{
+ struct ethnl_module_fw_flash_ntf_params *ntf_params =
+ &fw_update->ntf_params;
+ struct cmis_fw_update_fw_mng_features fw_mng = {0};
+ struct net_device *dev = fw_update->dev;
+ struct ethtool_cmis_cdb *cdb;
+ int err;
+
+ cdb = ethtool_cmis_cdb_init(dev, &fw_update->params, ntf_params);
+ if (IS_ERR(cdb))
+ goto err_send_ntf;
+
+ ethnl_module_fw_flash_ntf_start(dev, ntf_params);
+
+ err = cmis_fw_update_fw_mng_features_get(cdb, dev, &fw_mng, ntf_params);
+ if (err < 0)
+ goto err_cdb_fini;
+
+ err = cmis_fw_update_download_image(cdb, fw_update, &fw_mng);
+ if (err < 0)
+ goto err_cdb_fini;
+
+ err = cmis_fw_update_run_image(cdb, dev, ntf_params);
+ if (err < 0)
+ goto err_cdb_fini;
+
+ /* The CDB command "Run Firmware Image" resets the firmware, so the new
+ * one might have different settings.
+ * Free the old CDB instance, and init a new one.
+ */
+ ethtool_cmis_cdb_fini(cdb);
+
+ cdb = ethtool_cmis_cdb_init(dev, &fw_update->params, ntf_params);
+ if (IS_ERR(cdb))
+ goto err_send_ntf;
+
+ err = cmis_fw_update_commit_image(cdb, dev, ntf_params);
+ if (err < 0)
+ goto err_cdb_fini;
+
+ err = cmis_fw_update_reset(dev);
+ if (err < 0)
+ goto err_cdb_fini;
+
+ ethnl_module_fw_flash_ntf_complete(dev, ntf_params);
+ ethtool_cmis_cdb_fini(cdb);
+ return;
+
+err_cdb_fini:
+ ethtool_cmis_cdb_fini(cdb);
+err_send_ntf:
+ ethnl_module_fw_flash_ntf_err(dev, ntf_params, NULL, NULL);
+}