diff options
author | Jakub Kicinski <jakub.kicinski@netronome.com> | 2017-05-22 20:59:28 +0300 |
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committer | David S. Miller <davem@davemloft.net> | 2017-05-22 21:59:04 +0300 |
commit | eb488c26d713b2a9ebba6c12bbefd04e01197693 (patch) | |
tree | bc4562458f046d11a1ea2e2b49de574c259c359b /drivers/net/ethernet/netronome/nfp/nfp_port.h | |
parent | d88b0a233fafa4abda3b3aa5a69d46574e4c793e (diff) | |
download | linux-eb488c26d713b2a9ebba6c12bbefd04e01197693.tar.xz |
nfp: introduce nfp_port
Encapsulate port information into struct nfp_port. nfp_port will
soon be extended to contain devlink_port information. It also makes
it easier to reuse port-related code between vNICs and representors.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/nfp_port.h')
-rw-r--r-- | drivers/net/ethernet/netronome/nfp/nfp_port.h | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_port.h b/drivers/net/ethernet/netronome/nfp/nfp_port.h new file mode 100644 index 000000000000..341e7e128233 --- /dev/null +++ b/drivers/net/ethernet/netronome/nfp/nfp_port.h @@ -0,0 +1,85 @@ +/* + * Copyright (C) 2017 Netronome Systems, Inc. + * + * This software is dual licensed under the GNU General License Version 2, + * June 1991 as shown in the file COPYING in the top-level directory of this + * source tree or the BSD 2-Clause License provided below. You have the + * option to license this software under the complete terms of either license. + * + * The BSD 2-Clause License: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * 1. Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * 2. Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifndef _NFP_PORT_H_ +#define _NFP_PORT_H_ + +struct net_device; +struct nfp_app; +struct nfp_port; + +/** + * enum nfp_port_type - type of port NFP can switch traffic to + * @NFP_PORT_INVALID: port is invalid, %NFP_PORT_PHYS_PORT transitions to this + * state when port disappears because of FW fault or config + * change + * @NFP_PORT_PHYS_PORT: external NIC port + */ +enum nfp_port_type { + NFP_PORT_INVALID, + NFP_PORT_PHYS_PORT, +}; + +/** + * struct nfp_port - structure representing NFP port + * @netdev: backpointer to associated netdev + * @type: what port type does the entity represent + * @app: backpointer to the app structure + * @eth_id: for %NFP_PORT_PHYS_PORT port ID in NFP enumeration scheme + * @eth_port: for %NFP_PORT_PHYS_PORT translated ETH Table port entry + */ +struct nfp_port { + struct net_device *netdev; + enum nfp_port_type type; + + struct nfp_app *app; + + unsigned int eth_id; + struct nfp_eth_table_port *eth_port; +}; + +struct nfp_port *nfp_port_from_netdev(struct net_device *netdev); +struct nfp_eth_table_port *__nfp_port_get_eth_port(struct nfp_port *port); + +int +nfp_port_get_phys_port_name(struct net_device *netdev, char *name, size_t len); + +struct nfp_port * +nfp_port_alloc(struct nfp_app *app, enum nfp_port_type type, + struct net_device *netdev); +void nfp_port_free(struct nfp_port *port); + +int nfp_net_refresh_eth_port(struct nfp_port *port); +void nfp_net_refresh_port_table(struct nfp_port *port); + +#endif |