From e40f4c4e50fc81ebdeab5dacabd4e14d9fba5a1b Mon Sep 17 00:00:00 2001 From: Shinas Rasheed Date: Wed, 22 Nov 2023 10:34:34 -0800 Subject: [PATCH 1/2] octeon_ep: Solve style issues in control net files Solve observed style issues for kernel documentation and structure declarations in control net API definitions. Signed-off-by: Shinas Rasheed Signed-off-by: David S. Miller --- .../marvell/octeon_ep/octep_ctrl_net.c | 24 ++-- .../marvell/octeon_ep/octep_ctrl_net.h | 115 ++++++++++-------- 2 files changed, 76 insertions(+), 63 deletions(-) diff --git a/drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_net.c b/drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_net.c index 0594607a2585..2eeeaa7188b1 100644 --- a/drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_net.c +++ b/drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_net.c @@ -122,7 +122,7 @@ int octep_ctrl_net_init(struct octep_device *oct) int octep_ctrl_net_get_link_status(struct octep_device *oct, int vfid) { - struct octep_ctrl_net_wait_data d = {0}; + struct octep_ctrl_net_wait_data d = {}; struct octep_ctrl_net_h2f_req *req = &d.data.req; int err; @@ -139,7 +139,7 @@ int octep_ctrl_net_get_link_status(struct octep_device *oct, int vfid) int octep_ctrl_net_set_link_status(struct octep_device *oct, int vfid, bool up, bool wait_for_response) { - struct octep_ctrl_net_wait_data d = {0}; + struct octep_ctrl_net_wait_data d = {}; struct octep_ctrl_net_h2f_req *req = &d.data.req; init_send_req(&d.msg, req, state_sz, vfid); @@ -154,7 +154,7 @@ int octep_ctrl_net_set_link_status(struct octep_device *oct, int vfid, bool up, int octep_ctrl_net_set_rx_state(struct octep_device *oct, int vfid, bool up, bool wait_for_response) { - struct octep_ctrl_net_wait_data d = {0}; + struct octep_ctrl_net_wait_data d = {}; struct octep_ctrl_net_h2f_req *req = &d.data.req; init_send_req(&d.msg, req, state_sz, vfid); @@ -168,7 +168,7 @@ int octep_ctrl_net_set_rx_state(struct octep_device *oct, int vfid, bool up, int octep_ctrl_net_get_mac_addr(struct octep_device *oct, int vfid, u8 *addr) { - struct octep_ctrl_net_wait_data d = {0}; + struct octep_ctrl_net_wait_data d = {}; struct octep_ctrl_net_h2f_req *req = &d.data.req; int err; @@ -187,7 +187,7 @@ int octep_ctrl_net_get_mac_addr(struct octep_device *oct, int vfid, u8 *addr) int octep_ctrl_net_set_mac_addr(struct octep_device *oct, int vfid, u8 *addr, bool wait_for_response) { - struct octep_ctrl_net_wait_data d = {0}; + struct octep_ctrl_net_wait_data d = {}; struct octep_ctrl_net_h2f_req *req = &d.data.req; init_send_req(&d.msg, req, mac_sz, vfid); @@ -201,7 +201,7 @@ int octep_ctrl_net_set_mac_addr(struct octep_device *oct, int vfid, u8 *addr, int octep_ctrl_net_set_mtu(struct octep_device *oct, int vfid, int mtu, bool wait_for_response) { - struct octep_ctrl_net_wait_data d = {0}; + struct octep_ctrl_net_wait_data d = {}; struct octep_ctrl_net_h2f_req *req = &d.data.req; init_send_req(&d.msg, req, mtu_sz, vfid); @@ -216,7 +216,7 @@ int octep_ctrl_net_get_if_stats(struct octep_device *oct, int vfid, struct octep_iface_rx_stats *rx_stats, struct octep_iface_tx_stats *tx_stats) { - struct octep_ctrl_net_wait_data d = {0}; + struct octep_ctrl_net_wait_data d = {}; struct octep_ctrl_net_h2f_req *req = &d.data.req; struct octep_ctrl_net_h2f_resp *resp; int err; @@ -236,7 +236,7 @@ int octep_ctrl_net_get_if_stats(struct octep_device *oct, int vfid, int octep_ctrl_net_get_link_info(struct octep_device *oct, int vfid, struct octep_iface_link_info *link_info) { - struct octep_ctrl_net_wait_data d = {0}; + struct octep_ctrl_net_wait_data d = {}; struct octep_ctrl_net_h2f_req *req = &d.data.req; struct octep_ctrl_net_h2f_resp *resp; int err; @@ -262,7 +262,7 @@ int octep_ctrl_net_set_link_info(struct octep_device *oct, int vfid, struct octep_iface_link_info *link_info, bool wait_for_response) { - struct octep_ctrl_net_wait_data d = {0}; + struct octep_ctrl_net_wait_data d = {}; struct octep_ctrl_net_h2f_req *req = &d.data.req; init_send_req(&d.msg, req, link_info_sz, vfid); @@ -331,8 +331,8 @@ static int process_mbox_notify(struct octep_device *oct, void octep_ctrl_net_recv_fw_messages(struct octep_device *oct) { static u16 msg_sz = sizeof(union octep_ctrl_net_max_data); - union octep_ctrl_net_max_data data = {0}; - struct octep_ctrl_mbox_msg msg = {0}; + union octep_ctrl_net_max_data data = {}; + struct octep_ctrl_mbox_msg msg = {}; int ret; msg.hdr.s.sz = msg_sz; @@ -356,7 +356,7 @@ void octep_ctrl_net_recv_fw_messages(struct octep_device *oct) int octep_ctrl_net_get_info(struct octep_device *oct, int vfid, struct octep_fw_info *info) { - struct octep_ctrl_net_wait_data d = {0}; + struct octep_ctrl_net_wait_data d = {}; struct octep_ctrl_net_h2f_resp *resp; struct octep_ctrl_net_h2f_req *req; int err; diff --git a/drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_net.h b/drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_net.h index b330f370131b..02b8fcf890d0 100644 --- a/drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_net.h +++ b/drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_net.h @@ -218,87 +218,95 @@ struct octep_ctrl_net_wait_data { } data; }; -/** Initialize data for ctrl net. +/** + * octep_ctrl_net_init() - Initialize data for ctrl net. * - * @param oct: non-null pointer to struct octep_device. + * @oct: non-null pointer to struct octep_device. * * return value: 0 on success, -errno on error. */ int octep_ctrl_net_init(struct octep_device *oct); -/** Get link status from firmware. +/** + * octep_ctrl_net_get_link_status() - Get link status from firmware. * - * @param oct: non-null pointer to struct octep_device. - * @param vfid: Index of virtual function. + * @oct: non-null pointer to struct octep_device. + * @vfid: Index of virtual function. * * return value: link status 0=down, 1=up. */ int octep_ctrl_net_get_link_status(struct octep_device *oct, int vfid); -/** Set link status in firmware. +/** + * octep_ctrl_net_set_link_status() - Set link status in firmware. * - * @param oct: non-null pointer to struct octep_device. - * @param vfid: Index of virtual function. - * @param up: boolean status. - * @param wait_for_response: poll for response. + * @oct: non-null pointer to struct octep_device. + * @vfid: Index of virtual function. + * @up: boolean status. + * @wait_for_response: poll for response. * * return value: 0 on success, -errno on failure */ int octep_ctrl_net_set_link_status(struct octep_device *oct, int vfid, bool up, bool wait_for_response); -/** Set rx state in firmware. +/** + * octep_ctrl_net_set_rx_state() - Set rx state in firmware. * - * @param oct: non-null pointer to struct octep_device. - * @param vfid: Index of virtual function. - * @param up: boolean status. - * @param wait_for_response: poll for response. + * @oct: non-null pointer to struct octep_device. + * @vfid: Index of virtual function. + * @up: boolean status. + * @wait_for_response: poll for response. * * return value: 0 on success, -errno on failure. */ int octep_ctrl_net_set_rx_state(struct octep_device *oct, int vfid, bool up, bool wait_for_response); -/** Get mac address from firmware. +/** + * octep_ctrl_net_get_mac_addr() - Get mac address from firmware. * - * @param oct: non-null pointer to struct octep_device. - * @param vfid: Index of virtual function. - * @param addr: non-null pointer to mac address. + * @oct: non-null pointer to struct octep_device. + * @vfid: Index of virtual function. + * @addr: non-null pointer to mac address. * * return value: 0 on success, -errno on failure. */ int octep_ctrl_net_get_mac_addr(struct octep_device *oct, int vfid, u8 *addr); -/** Set mac address in firmware. +/** + * octep_ctrl_net_set_mac_addr() - Set mac address in firmware. * - * @param oct: non-null pointer to struct octep_device. - * @param vfid: Index of virtual function. - * @param addr: non-null pointer to mac address. - * @param wait_for_response: poll for response. + * @oct: non-null pointer to struct octep_device. + * @vfid: Index of virtual function. + * @addr: non-null pointer to mac address. + * @wait_for_response: poll for response. * * return value: 0 on success, -errno on failure. */ int octep_ctrl_net_set_mac_addr(struct octep_device *oct, int vfid, u8 *addr, bool wait_for_response); -/** Set mtu in firmware. +/** + * octep_ctrl_net_set_mtu() - Set mtu in firmware. * - * @param oct: non-null pointer to struct octep_device. - * @param vfid: Index of virtual function. - * @param mtu: mtu. - * @param wait_for_response: poll for response. + * @oct: non-null pointer to struct octep_device. + * @vfid: Index of virtual function. + * @mtu: mtu. + * @wait_for_response: poll for response. * * return value: 0 on success, -errno on failure. */ int octep_ctrl_net_set_mtu(struct octep_device *oct, int vfid, int mtu, bool wait_for_response); -/** Get interface statistics from firmware. +/** + * octep_ctrl_net_get_if_stats() - Get interface statistics from firmware. * - * @param oct: non-null pointer to struct octep_device. - * @param vfid: Index of virtual function. - * @param rx_stats: non-null pointer struct octep_iface_rx_stats. - * @param tx_stats: non-null pointer struct octep_iface_tx_stats. + * @oct: non-null pointer to struct octep_device. + * @vfid: Index of virtual function. + * @rx_stats: non-null pointer struct octep_iface_rx_stats. + * @tx_stats: non-null pointer struct octep_iface_tx_stats. * * return value: 0 on success, -errno on failure. */ @@ -306,23 +314,25 @@ int octep_ctrl_net_get_if_stats(struct octep_device *oct, int vfid, struct octep_iface_rx_stats *rx_stats, struct octep_iface_tx_stats *tx_stats); -/** Get link info from firmware. +/** + * octep_ctrl_net_get_link_info() - Get link info from firmware. * - * @param oct: non-null pointer to struct octep_device. - * @param vfid: Index of virtual function. - * @param link_info: non-null pointer to struct octep_iface_link_info. + * @oct: non-null pointer to struct octep_device. + * @vfid: Index of virtual function. + * @link_info: non-null pointer to struct octep_iface_link_info. * * return value: 0 on success, -errno on failure. */ int octep_ctrl_net_get_link_info(struct octep_device *oct, int vfid, struct octep_iface_link_info *link_info); -/** Set link info in firmware. +/** + * octep_ctrl_net_set_link_info() - Set link info in firmware. * - * @param oct: non-null pointer to struct octep_device. - * @param vfid: Index of virtual function. - * @param link_info: non-null pointer to struct octep_iface_link_info. - * @param wait_for_response: poll for response. + * @oct: non-null pointer to struct octep_device. + * @vfid: Index of virtual function. + * @link_info: non-null pointer to struct octep_iface_link_info. + * @wait_for_response: poll for response. * * return value: 0 on success, -errno on failure. */ @@ -331,26 +341,29 @@ int octep_ctrl_net_set_link_info(struct octep_device *oct, struct octep_iface_link_info *link_info, bool wait_for_response); -/** Poll for firmware messages and process them. +/** + * octep_ctrl_net_recv_fw_messages() - Poll for firmware messages and process them. * - * @param oct: non-null pointer to struct octep_device. + * @oct: non-null pointer to struct octep_device. */ void octep_ctrl_net_recv_fw_messages(struct octep_device *oct); -/** Get info from firmware. +/** + * octep_ctrl_net_get_info() - Get info from firmware. * - * @param oct: non-null pointer to struct octep_device. - * @param vfid: Index of virtual function. - * @param info: non-null pointer to struct octep_fw_info. + * @oct: non-null pointer to struct octep_device. + * @vfid: Index of virtual function. + * @info: non-null pointer to struct octep_fw_info. * * return value: 0 on success, -errno on failure. */ int octep_ctrl_net_get_info(struct octep_device *oct, int vfid, struct octep_fw_info *info); -/** Uninitialize data for ctrl net. +/** + * octep_ctrl_net_uninit() - Uninitialize data for ctrl net. * - * @param oct: non-null pointer to struct octep_device. + * @oct: non-null pointer to struct octep_device. * * return value: 0 on success, -errno on error. */ From 0a5f8534e3986b636570f4d6d32e22af7d868d45 Mon Sep 17 00:00:00 2001 From: Shinas Rasheed Date: Wed, 22 Nov 2023 10:34:35 -0800 Subject: [PATCH 2/2] octeon_ep: get max rx packet length from firmware Max receive packet length can vary across SoCs, so this needs to be queried from respective firmware and filled by driver. A control net get mtu api should be implemented to do the same. Signed-off-by: Shinas Rasheed Signed-off-by: David S. Miller --- .../ethernet/marvell/octeon_ep/octep_config.h | 2 -- .../marvell/octeon_ep/octep_ctrl_net.c | 18 ++++++++++++++++++ .../marvell/octeon_ep/octep_ctrl_net.h | 10 ++++++++++ .../ethernet/marvell/octeon_ep/octep_main.c | 10 +++++++++- 4 files changed, 37 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/marvell/octeon_ep/octep_config.h b/drivers/net/ethernet/marvell/octeon_ep/octep_config.h index 91cfa19c65b9..4c937ba5589f 100644 --- a/drivers/net/ethernet/marvell/octeon_ep/octep_config.h +++ b/drivers/net/ethernet/marvell/octeon_ep/octep_config.h @@ -45,8 +45,6 @@ /* Minimum MTU supported by Octeon network interface */ #define OCTEP_MIN_MTU ETH_MIN_MTU -/* Maximum MTU supported by Octeon interface*/ -#define OCTEP_MAX_MTU (10000 - (ETH_HLEN + ETH_FCS_LEN)) /* Default MTU */ #define OCTEP_DEFAULT_MTU 1500 diff --git a/drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_net.c b/drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_net.c index 2eeeaa7188b1..5fa596c674da 100644 --- a/drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_net.c +++ b/drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_net.c @@ -198,6 +198,24 @@ int octep_ctrl_net_set_mac_addr(struct octep_device *oct, int vfid, u8 *addr, return octep_send_mbox_req(oct, &d, wait_for_response); } +int octep_ctrl_net_get_mtu(struct octep_device *oct, int vfid) +{ + struct octep_ctrl_net_wait_data d = {}; + struct octep_ctrl_net_h2f_req *req; + int err; + + req = &d.data.req; + init_send_req(&d.msg, req, mtu_sz, vfid); + req->hdr.s.cmd = OCTEP_CTRL_NET_H2F_CMD_MTU; + req->mtu.cmd = OCTEP_CTRL_NET_CMD_GET; + + err = octep_send_mbox_req(oct, &d, true); + if (err < 0) + return err; + + return d.data.resp.mtu.val; +} + int octep_ctrl_net_set_mtu(struct octep_device *oct, int vfid, int mtu, bool wait_for_response) { diff --git a/drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_net.h b/drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_net.h index 02b8fcf890d0..a2463b460ad9 100644 --- a/drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_net.h +++ b/drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_net.h @@ -287,6 +287,16 @@ int octep_ctrl_net_get_mac_addr(struct octep_device *oct, int vfid, u8 *addr); int octep_ctrl_net_set_mac_addr(struct octep_device *oct, int vfid, u8 *addr, bool wait_for_response); +/** + * octep_ctrl_net_get_mtu() - Get max MTU from firmware. + * + * @oct: non-null pointer to struct octep_device. + * @vfid: Index of virtual function. + * + * return value: mtu on success, -errno on failure. + */ +int octep_ctrl_net_get_mtu(struct octep_device *oct, int vfid); + /** * octep_ctrl_net_set_mtu() - Set mtu in firmware. * diff --git a/drivers/net/ethernet/marvell/octeon_ep/octep_main.c b/drivers/net/ethernet/marvell/octeon_ep/octep_main.c index 2da00a701df2..423eec5ff3ad 100644 --- a/drivers/net/ethernet/marvell/octeon_ep/octep_main.c +++ b/drivers/net/ethernet/marvell/octeon_ep/octep_main.c @@ -1307,6 +1307,7 @@ static int octep_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { struct octep_device *octep_dev = NULL; struct net_device *netdev; + int max_rx_pktlen; int err; err = pci_enable_device(pdev); @@ -1377,8 +1378,15 @@ static int octep_probe(struct pci_dev *pdev, const struct pci_device_id *ent) netdev->hw_features = NETIF_F_SG; netdev->features |= netdev->hw_features; + + max_rx_pktlen = octep_ctrl_net_get_mtu(octep_dev, OCTEP_CTRL_NET_INVALID_VFID); + if (max_rx_pktlen < 0) { + dev_err(&octep_dev->pdev->dev, + "Failed to get max receive packet size; err = %d\n", max_rx_pktlen); + goto register_dev_err; + } netdev->min_mtu = OCTEP_MIN_MTU; - netdev->max_mtu = OCTEP_MAX_MTU; + netdev->max_mtu = max_rx_pktlen - (ETH_HLEN + ETH_FCS_LEN); netdev->mtu = OCTEP_DEFAULT_MTU; err = octep_ctrl_net_get_mac_addr(octep_dev, OCTEP_CTRL_NET_INVALID_VFID,