From 9f9e0da57ef1207b26b13c243c5f398c9432156c Mon Sep 17 00:00:00 2001 From: Jakub Kicinski Date: Tue, 4 Apr 2017 16:12:29 -0700 Subject: [PATCH] nfp: report port type in ethtool Service process firmware provides us with information about media and interface (SFP module) plugged in, translate that to Linux's PORT_* defines and report via ethtool. Signed-off-by: Jakub Kicinski Reviewed-by: Simon Horman Signed-off-by: David S. Miller --- .../ethernet/netronome/nfp/nfp_net_ethtool.c | 1 + .../netronome/nfp/nfpcore/nfp_nsp_eth.c | 21 ++++++++++++++++ .../netronome/nfp/nfpcore/nfp_nsp_eth.h | 24 +++++++++++++++++++ 3 files changed, 46 insertions(+) diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c b/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c index 563ced3c99e1..3b2a09821a59 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c @@ -215,6 +215,7 @@ nfp_net_get_link_ksettings(struct net_device *netdev, nfp_net_refresh_port_config(nn); /* Separate if - on FW error the port could've disappeared from table */ if (nn->eth_port) { + cmd->base.port = nn->eth_port->port_type; cmd->base.speed = nn->eth_port->speed; cmd->base.duplex = DUPLEX_FULL; return 0; diff --git a/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_nsp_eth.c b/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_nsp_eth.c index dcb1bc81e554..07b4ded01514 100644 --- a/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_nsp_eth.c +++ b/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_nsp_eth.c @@ -62,6 +62,8 @@ #define NSP_ETH_STATE_TX_ENABLED BIT_ULL(2) #define NSP_ETH_STATE_RX_ENABLED BIT_ULL(3) #define NSP_ETH_STATE_RATE GENMASK_ULL(11, 8) +#define NSP_ETH_STATE_INTERFACE GENMASK_ULL(19, 12) +#define NSP_ETH_STATE_MEDIA GENMASK_ULL(21, 20) #define NSP_ETH_STATE_OVRD_CHNG BIT_ULL(22) #define NSP_ETH_STATE_ANEG GENMASK_ULL(25, 23) @@ -134,6 +136,9 @@ nfp_eth_port_translate(struct nfp_nsp *nsp, const struct eth_table_entry *src, rate = nfp_eth_rate(FIELD_GET(NSP_ETH_STATE_RATE, state)); dst->speed = dst->lanes * rate; + dst->interface = FIELD_GET(NSP_ETH_STATE_INTERFACE, state); + dst->media = FIELD_GET(NSP_ETH_STATE_MEDIA, state); + nfp_eth_copy_mac_reverse(dst->mac_addr, src->mac_addr); dst->label_port = FIELD_GET(NSP_ETH_PORT_PHYLABEL, port); @@ -170,6 +175,20 @@ nfp_eth_mark_split_ports(struct nfp_cpp *cpp, struct nfp_eth_table *table) } } +static void +nfp_eth_calc_port_type(struct nfp_cpp *cpp, struct nfp_eth_table_port *entry) +{ + if (entry->interface == NFP_INTERFACE_NONE) { + entry->port_type = PORT_NONE; + return; + } + + if (entry->media == NFP_MEDIA_FIBRE) + entry->port_type = PORT_FIBRE; + else + entry->port_type = PORT_DA; +} + /** * nfp_eth_read_ports() - retrieve port information * @cpp: NFP CPP handle @@ -237,6 +256,8 @@ __nfp_eth_read_ports(struct nfp_cpp *cpp, struct nfp_nsp *nsp) &table->ports[j++]); nfp_eth_mark_split_ports(cpp, table); + for (i = 0; i < table->count; i++) + nfp_eth_calc_port_type(cpp, &table->ports[i]); kfree(entries); diff --git a/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_nsp_eth.h b/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_nsp_eth.h index 6b3e954e70b3..57eb3cfa6a0a 100644 --- a/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_nsp_eth.h +++ b/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_nsp_eth.h @@ -37,6 +37,22 @@ #include #include +enum nfp_eth_interface { + NFP_INTERFACE_NONE = 0, + NFP_INTERFACE_SFP = 1, + NFP_INTERFACE_SFPP = 10, + NFP_INTERFACE_SFP28 = 28, + NFP_INTERFACE_QSFP = 40, + NFP_INTERFACE_CXP = 100, + NFP_INTERFACE_QSFP28 = 112, +}; + +enum nfp_eth_media { + NFP_MEDIA_DAC_PASSIVE = 0, + NFP_MEDIA_DAC_ACTIVE, + NFP_MEDIA_FIBRE, +}; + enum nfp_eth_aneg { NFP_ANEG_AUTO = 0, NFP_ANEG_SEARCH, @@ -56,6 +72,8 @@ enum nfp_eth_aneg { * @base: first channel index (within NBI) * @lanes: number of channels * @speed: interface speed (in Mbps) + * @interface: interface (module) plugged in + * @media: media type of the @interface * @aneg: auto negotiation mode * @mac_addr: interface MAC address * @label_port: port id @@ -65,6 +83,7 @@ enum nfp_eth_aneg { * @rx_enabled: is RX enabled? * @override_changed: is media reconfig pending? * + * @port_type: one of %PORT_* defines for ethtool * @is_split: is interface part of a split port */ struct nfp_eth_table { @@ -77,6 +96,9 @@ struct nfp_eth_table { unsigned int lanes; unsigned int speed; + unsigned int interface; + enum nfp_eth_media media; + enum nfp_eth_aneg aneg; u8 mac_addr[ETH_ALEN]; @@ -91,6 +113,8 @@ struct nfp_eth_table { bool override_changed; /* Computed fields */ + u8 port_type; + bool is_split; } ports[0]; }; -- GitLab