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Message-ID: <20231015234304.2633-4-paul.greenwalt@intel.com> Date: Sun, 15 Oct 2023 19:43:04 -0400 From: Paul Greenwalt <paul.greenwalt@...el.com> To: netdev@...r.kernel.org Cc: andrew@...n.ch, aelior@...vell.com, manishc@...vell.com, vladimir.oltean@....com, jdamato@...tly.com, pawel.chmielewski@...el.com, edumazet@...gle.com, intel-wired-lan@...ts.osuosl.org, horms@...nel.org, kuba@...nel.org, d-tatianin@...dex-team.ru, pabeni@...hat.com, davem@...emloft.net, jiri@...nulli.us, Jacob Keller <jacob.e.keller@...el.com>, Przemek Kitszel <przemyslaw.kitszel@...el.com>, Paul Greenwalt <paul.greenwalt@...el.com> Subject: [PATCH net-next v5 3/3] ice: Refactor finding advertised link speed From: Pawel Chmielewski <pawel.chmielewski@...el.com> Refactor ice_get_link_ksettings to using forced speed to link modes mapping. Suggested-by : Alexander Lobakin <aleksander.lobakin@...el.com> Reviewed-by: Jacob Keller <jacob.e.keller@...el.com> Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@...el.com> Signed-off-by: Pawel Chmielewski <pawel.chmielewski@...el.com> Signed-off-by: Paul Greenwalt <paul.greenwalt@...el.com> --- drivers/net/ethernet/intel/ice/ice.h | 1 + drivers/net/ethernet/intel/ice/ice_ethtool.c | 193 ++++++++++++------- drivers/net/ethernet/intel/ice/ice_main.c | 2 + 3 files changed, 131 insertions(+), 65 deletions(-) diff --git a/drivers/net/ethernet/intel/ice/ice.h b/drivers/net/ethernet/intel/ice/ice.h index ad5614d4449c..64d0af39cb98 100644 --- a/drivers/net/ethernet/intel/ice/ice.h +++ b/drivers/net/ethernet/intel/ice/ice.h @@ -969,6 +969,7 @@ int ice_stop(struct net_device *netdev); void ice_service_task_schedule(struct ice_pf *pf); int ice_load(struct ice_pf *pf); void ice_unload(struct ice_pf *pf); +void ice_adv_lnk_speed_maps_init(void); /** * ice_set_rdma_cap - enable RDMA support diff --git a/drivers/net/ethernet/intel/ice/ice_ethtool.c b/drivers/net/ethernet/intel/ice/ice_ethtool.c index 5545906f39af..7870a3984547 100644 --- a/drivers/net/ethernet/intel/ice/ice_ethtool.c +++ b/drivers/net/ethernet/intel/ice/ice_ethtool.c @@ -345,6 +345,79 @@ static const struct ice_priv_flag ice_gstrings_priv_flags[] = { #define ICE_PRIV_FLAG_ARRAY_SIZE ARRAY_SIZE(ice_gstrings_priv_flags) +static const u32 ice_adv_lnk_speed_100[] __initconst = { + ETHTOOL_LINK_MODE_100baseT_Full_BIT, +}; + +static const u32 ice_adv_lnk_speed_1000[] __initconst = { + ETHTOOL_LINK_MODE_1000baseX_Full_BIT, + ETHTOOL_LINK_MODE_1000baseT_Full_BIT, + ETHTOOL_LINK_MODE_1000baseKX_Full_BIT, +}; + +static const u32 ice_adv_lnk_speed_2500[] __initconst = { + ETHTOOL_LINK_MODE_2500baseT_Full_BIT, + ETHTOOL_LINK_MODE_2500baseX_Full_BIT, +}; + +static const u32 ice_adv_lnk_speed_5000[] __initconst = { + ETHTOOL_LINK_MODE_5000baseT_Full_BIT, +}; + +static const u32 ice_adv_lnk_speed_10000[] __initconst = { + ETHTOOL_LINK_MODE_10000baseT_Full_BIT, + ETHTOOL_LINK_MODE_10000baseKR_Full_BIT, + ETHTOOL_LINK_MODE_10000baseSR_Full_BIT, + ETHTOOL_LINK_MODE_10000baseLR_Full_BIT, +}; + +static const u32 ice_adv_lnk_speed_25000[] __initconst = { + ETHTOOL_LINK_MODE_25000baseCR_Full_BIT, + ETHTOOL_LINK_MODE_25000baseSR_Full_BIT, + ETHTOOL_LINK_MODE_25000baseKR_Full_BIT, +}; + +static const u32 ice_adv_lnk_speed_40000[] __initconst = { + ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT, + ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT, + ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT, + ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT, +}; + +static const u32 ice_adv_lnk_speed_50000[] __initconst = { + ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT, + ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT, + ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT, +}; + +static const u32 ice_adv_lnk_speed_100000[] __initconst = { + ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT, + ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT, + ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT, + ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT, + ETHTOOL_LINK_MODE_100000baseCR2_Full_BIT, + ETHTOOL_LINK_MODE_100000baseSR2_Full_BIT, + ETHTOOL_LINK_MODE_100000baseKR2_Full_BIT, +}; + +static struct ethtool_forced_speed_map ice_adv_lnk_speed_maps[] __ro_after_init = { + ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 100), + ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 1000), + ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 2500), + ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 5000), + ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 10000), + ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 25000), + ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 40000), + ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 50000), + ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 100000), +}; + +void __init ice_adv_lnk_speed_maps_init(void) +{ + ethtool_forced_speed_maps_init(ice_adv_lnk_speed_maps, + ARRAY_SIZE(ice_adv_lnk_speed_maps)); +} + static void __ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo, struct ice_vsi *vsi) @@ -2008,6 +2081,55 @@ ice_get_link_ksettings(struct net_device *netdev, return err; } +/** + * ice_speed_to_aq_link - Get AQ link speed by Ethtool forced speed + * @speed: ethtool forced speed + */ +static u16 ice_speed_to_aq_link(int speed) +{ + int aq_speed; + + switch (speed) { + case SPEED_10: + aq_speed = ICE_AQ_LINK_SPEED_10MB; + break; + case SPEED_100: + aq_speed = ICE_AQ_LINK_SPEED_100MB; + break; + case SPEED_1000: + aq_speed = ICE_AQ_LINK_SPEED_1000MB; + break; + case SPEED_2500: + aq_speed = ICE_AQ_LINK_SPEED_2500MB; + break; + case SPEED_5000: + aq_speed = ICE_AQ_LINK_SPEED_5GB; + break; + case SPEED_10000: + aq_speed = ICE_AQ_LINK_SPEED_10GB; + break; + case SPEED_20000: + aq_speed = ICE_AQ_LINK_SPEED_20GB; + break; + case SPEED_25000: + aq_speed = ICE_AQ_LINK_SPEED_25GB; + break; + case SPEED_40000: + aq_speed = ICE_AQ_LINK_SPEED_40GB; + break; + case SPEED_50000: + aq_speed = ICE_AQ_LINK_SPEED_50GB; + break; + case SPEED_100000: + aq_speed = ICE_AQ_LINK_SPEED_100GB; + break; + default: + aq_speed = ICE_AQ_LINK_SPEED_UNKNOWN; + break; + } + return aq_speed; +} + /** * ice_ksettings_find_adv_link_speed - Find advertising link speed * @ks: ethtool ksettings @@ -2015,73 +2137,14 @@ ice_get_link_ksettings(struct net_device *netdev, static u16 ice_ksettings_find_adv_link_speed(const struct ethtool_link_ksettings *ks) { + const struct ethtool_forced_speed_map *map; u16 adv_link_speed = 0; - if (ethtool_link_ksettings_test_link_mode(ks, advertising, - 100baseT_Full)) - adv_link_speed |= ICE_AQ_LINK_SPEED_100MB; - if (ethtool_link_ksettings_test_link_mode(ks, advertising, - 1000baseX_Full) || - ethtool_link_ksettings_test_link_mode(ks, advertising, - 1000baseT_Full) || - ethtool_link_ksettings_test_link_mode(ks, advertising, - 1000baseKX_Full)) - adv_link_speed |= ICE_AQ_LINK_SPEED_1000MB; - if (ethtool_link_ksettings_test_link_mode(ks, advertising, - 2500baseT_Full) || - ethtool_link_ksettings_test_link_mode(ks, advertising, - 2500baseX_Full)) - adv_link_speed |= ICE_AQ_LINK_SPEED_2500MB; - if (ethtool_link_ksettings_test_link_mode(ks, advertising, - 5000baseT_Full)) - adv_link_speed |= ICE_AQ_LINK_SPEED_5GB; - if (ethtool_link_ksettings_test_link_mode(ks, advertising, - 10000baseT_Full) || - ethtool_link_ksettings_test_link_mode(ks, advertising, - 10000baseKR_Full) || - ethtool_link_ksettings_test_link_mode(ks, advertising, - 10000baseSR_Full) || - ethtool_link_ksettings_test_link_mode(ks, advertising, - 10000baseLR_Full)) - adv_link_speed |= ICE_AQ_LINK_SPEED_10GB; - if (ethtool_link_ksettings_test_link_mode(ks, advertising, - 25000baseCR_Full) || - ethtool_link_ksettings_test_link_mode(ks, advertising, - 25000baseSR_Full) || - ethtool_link_ksettings_test_link_mode(ks, advertising, - 25000baseKR_Full)) - adv_link_speed |= ICE_AQ_LINK_SPEED_25GB; - if (ethtool_link_ksettings_test_link_mode(ks, advertising, - 40000baseCR4_Full) || - ethtool_link_ksettings_test_link_mode(ks, advertising, - 40000baseSR4_Full) || - ethtool_link_ksettings_test_link_mode(ks, advertising, - 40000baseLR4_Full) || - ethtool_link_ksettings_test_link_mode(ks, advertising, - 40000baseKR4_Full)) - adv_link_speed |= ICE_AQ_LINK_SPEED_40GB; - if (ethtool_link_ksettings_test_link_mode(ks, advertising, - 50000baseCR2_Full) || - ethtool_link_ksettings_test_link_mode(ks, advertising, - 50000baseKR2_Full) || - ethtool_link_ksettings_test_link_mode(ks, advertising, - 50000baseSR2_Full)) - adv_link_speed |= ICE_AQ_LINK_SPEED_50GB; - if (ethtool_link_ksettings_test_link_mode(ks, advertising, - 100000baseCR4_Full) || - ethtool_link_ksettings_test_link_mode(ks, advertising, - 100000baseSR4_Full) || - ethtool_link_ksettings_test_link_mode(ks, advertising, - 100000baseLR4_ER4_Full) || - ethtool_link_ksettings_test_link_mode(ks, advertising, - 100000baseKR4_Full) || - ethtool_link_ksettings_test_link_mode(ks, advertising, - 100000baseCR2_Full) || - ethtool_link_ksettings_test_link_mode(ks, advertising, - 100000baseSR2_Full) || - ethtool_link_ksettings_test_link_mode(ks, advertising, - 100000baseKR2_Full)) - adv_link_speed |= ICE_AQ_LINK_SPEED_100GB; + for (u32 i = 0; i < ARRAY_SIZE(ice_adv_lnk_speed_maps); i++) { + map = ice_adv_lnk_speed_maps + i; + if (linkmode_intersects(ks->link_modes.advertising, map->caps)) + adv_link_speed |= ice_speed_to_aq_link(map->speed); + } return adv_link_speed; } diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c index a58da0024fe5..e5aad584aedb 100644 --- a/drivers/net/ethernet/intel/ice/ice_main.c +++ b/drivers/net/ethernet/intel/ice/ice_main.c @@ -5756,6 +5756,8 @@ static int __init ice_module_init(void) pr_info("%s\n", ice_driver_string); pr_info("%s\n", ice_copyright); + ice_adv_lnk_speed_maps_init(); + ice_wq = alloc_workqueue("%s", 0, 0, KBUILD_MODNAME); if (!ice_wq) { pr_err("Failed to create workqueue\n"); -- 2.40.0
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