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numam-dpdk/drivers/net/octeontx/base/octeontx_bgx.c
Vamsi Attunuru 241a650061 net/octeontx: support flow control 
Patch adds ethdev flow control set/get callback ops,
pmd enables modifying flow control attributes like
rx_pause, tx_pause, high & low water mark.

Signed-off-by: Vamsi Attunuru <vattunuru@marvell.com>
Acked-by: Harman Kalra <hkalra@marvell.com>
2020-04-21 13:57:06 +02:00

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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2017 Cavium, Inc
*/
#include <string.h>
#include "octeontx_bgx.h"
int
octeontx_bgx_port_open(int port, octeontx_mbox_bgx_port_conf_t *conf)
{
struct octeontx_mbox_hdr hdr;
octeontx_mbox_bgx_port_conf_t bgx_conf;
int len = sizeof(octeontx_mbox_bgx_port_conf_t);
int res;
memset(&bgx_conf, 0, sizeof(octeontx_mbox_bgx_port_conf_t));
hdr.coproc = OCTEONTX_BGX_COPROC;
hdr.msg = MBOX_BGX_PORT_OPEN;
hdr.vfid = port;
res = octeontx_mbox_send(&hdr, NULL, 0, &bgx_conf, len);
if (res < 0)
return -EACCES;
conf->enable = bgx_conf.enable;
conf->promisc = bgx_conf.promisc;
conf->bpen = bgx_conf.bpen;
conf->node = bgx_conf.node;
conf->base_chan = bgx_conf.base_chan;
conf->num_chans = bgx_conf.num_chans;
conf->mtu = bgx_conf.mtu;
conf->bgx = bgx_conf.bgx;
conf->lmac = bgx_conf.lmac;
conf->mode = bgx_conf.mode;
conf->pkind = bgx_conf.pkind;
memcpy(conf->macaddr, bgx_conf.macaddr, 6);
return res;
}
int
octeontx_bgx_port_close(int port)
{
struct octeontx_mbox_hdr hdr;
int res;
hdr.coproc = OCTEONTX_BGX_COPROC;
hdr.msg = MBOX_BGX_PORT_CLOSE;
hdr.vfid = port;
res = octeontx_mbox_send(&hdr, NULL, 0, NULL, 0);
if (res < 0)
return -EACCES;
return res;
}
int
octeontx_bgx_port_start(int port)
{
struct octeontx_mbox_hdr hdr;
int res;
hdr.coproc = OCTEONTX_BGX_COPROC;
hdr.msg = MBOX_BGX_PORT_START;
hdr.vfid = port;
res = octeontx_mbox_send(&hdr, NULL, 0, NULL, 0);
if (res < 0)
return -EACCES;
return res;
}
int
octeontx_bgx_port_stop(int port)
{
struct octeontx_mbox_hdr hdr;
int res;
hdr.coproc = OCTEONTX_BGX_COPROC;
hdr.msg = MBOX_BGX_PORT_STOP;
hdr.vfid = port;
res = octeontx_mbox_send(&hdr, NULL, 0, NULL, 0);
if (res < 0)
return -EACCES;
return res;
}
int
octeontx_bgx_port_get_config(int port, octeontx_mbox_bgx_port_conf_t *conf)
{
struct octeontx_mbox_hdr hdr;
octeontx_mbox_bgx_port_conf_t bgx_conf;
int len = sizeof(octeontx_mbox_bgx_port_conf_t);
int res;
hdr.coproc = OCTEONTX_BGX_COPROC;
hdr.msg = MBOX_BGX_PORT_GET_CONFIG;
hdr.vfid = port;
memset(&bgx_conf, 0, sizeof(octeontx_mbox_bgx_port_conf_t));
res = octeontx_mbox_send(&hdr, NULL, 0, &bgx_conf, len);
if (res < 0)
return -EACCES;
conf->enable = bgx_conf.enable;
conf->promisc = bgx_conf.promisc;
conf->bpen = bgx_conf.bpen;
conf->node = bgx_conf.node;
conf->base_chan = bgx_conf.base_chan;
conf->num_chans = bgx_conf.num_chans;
conf->mtu = bgx_conf.mtu;
conf->bgx = bgx_conf.bgx;
conf->lmac = bgx_conf.lmac;
conf->mode = bgx_conf.mode;
conf->pkind = bgx_conf.pkind;
memcpy(conf->macaddr, bgx_conf.macaddr, 6);
return res;
}
int
octeontx_bgx_port_status(int port, octeontx_mbox_bgx_port_status_t *stat)
{
struct octeontx_mbox_hdr hdr;
octeontx_mbox_bgx_port_status_t bgx_stat;
int len = sizeof(octeontx_mbox_bgx_port_status_t);
int res;
hdr.coproc = OCTEONTX_BGX_COPROC;
hdr.msg = MBOX_BGX_PORT_GET_STATUS;
hdr.vfid = port;
res = octeontx_mbox_send(&hdr, NULL, 0, &bgx_stat, len);
if (res < 0)
return -EACCES;
stat->link_up = bgx_stat.link_up;
return res;
}
int
octeontx_bgx_port_stats(int port, octeontx_mbox_bgx_port_stats_t *stats)
{
struct octeontx_mbox_hdr hdr;
octeontx_mbox_bgx_port_stats_t bgx_stats;
int len = sizeof(octeontx_mbox_bgx_port_stats_t);
int res;
hdr.coproc = OCTEONTX_BGX_COPROC;
hdr.msg = MBOX_BGX_PORT_GET_STATS;
hdr.vfid = port;
res = octeontx_mbox_send(&hdr, NULL, 0, &bgx_stats, len);
if (res < 0)
return -EACCES;
stats->rx_packets = bgx_stats.rx_packets;
stats->rx_bytes = bgx_stats.rx_bytes;
stats->rx_dropped = bgx_stats.rx_dropped;
stats->rx_errors = bgx_stats.rx_errors;
stats->tx_packets = bgx_stats.tx_packets;
stats->tx_bytes = bgx_stats.tx_bytes;
stats->tx_dropped = bgx_stats.tx_dropped;
stats->tx_errors = bgx_stats.tx_errors;
return res;
}
int
octeontx_bgx_port_stats_clr(int port)
{
struct octeontx_mbox_hdr hdr;
int res;
hdr.coproc = OCTEONTX_BGX_COPROC;
hdr.msg = MBOX_BGX_PORT_CLR_STATS;
hdr.vfid = port;
res = octeontx_mbox_send(&hdr, NULL, 0, NULL, 0);
if (res < 0)
return -EACCES;
return res;
}
int
octeontx_bgx_port_link_status(int port)
{
struct octeontx_mbox_hdr hdr;
uint8_t link;
int len = sizeof(uint8_t);
int res;
hdr.coproc = OCTEONTX_BGX_COPROC;
hdr.msg = MBOX_BGX_PORT_GET_LINK_STATUS;
hdr.vfid = port;
res = octeontx_mbox_send(&hdr, NULL, 0, &link, len);
if (res < 0)
return -EACCES;
return link;
}
int
octeontx_bgx_port_set_link_state(int port, bool enable)
{
struct octeontx_mbox_hdr hdr;
hdr.coproc = OCTEONTX_BGX_COPROC;
hdr.msg = MBOX_BGX_PORT_SET_LINK_STATE;
hdr.vfid = port;
return octeontx_mbox_send(&hdr, &enable, sizeof(bool), NULL, 0);
}
int
octeontx_bgx_port_promisc_set(int port, int en)
{
struct octeontx_mbox_hdr hdr;
uint8_t prom;
int res;
hdr.coproc = OCTEONTX_BGX_COPROC;
hdr.msg = MBOX_BGX_PORT_SET_PROMISC;
hdr.vfid = port;
prom = en ? 1 : 0;
res = octeontx_mbox_send(&hdr, &prom, sizeof(prom), NULL, 0);
if (res < 0)
return -EACCES;
return res;
}
int
octeontx_bgx_port_mtu_set(int port, int mtu)
{
struct octeontx_mbox_hdr hdr;
int res;
hdr.coproc = OCTEONTX_BGX_COPROC;
hdr.msg = MBOX_BGX_PORT_SET_MTU;
hdr.vfid = port;
res = octeontx_mbox_send(&hdr, &mtu, sizeof(mtu), NULL, 0);
if (res < 0)
return -EACCES;
return res;
}
int
octeontx_bgx_port_mac_set(int port, uint8_t *mac_addr)
{
struct octeontx_mbox_hdr hdr;
int len = 6;
int res = 0;
hdr.coproc = OCTEONTX_BGX_COPROC;
hdr.msg = MBOX_BGX_PORT_SET_MACADDR;
hdr.vfid = port;
res = octeontx_mbox_send(&hdr, mac_addr, len, NULL, 0);
if (res < 0)
return -EACCES;
return res;
}
int
octeontx_bgx_port_mac_add(int port, uint8_t *mac_addr, int index)
{
struct octeontx_mbox_bgx_port_mac_filter filter;
struct octeontx_mbox_hdr hdr;
int len = 6;
hdr.coproc = OCTEONTX_BGX_COPROC;
hdr.msg = MBOX_BGX_PORT_ADD_MACADDR;
hdr.vfid = port;
memcpy(filter.mac_addr, mac_addr, len);
filter.index = index;
len = sizeof(struct octeontx_mbox_bgx_port_mac_filter);
return octeontx_mbox_send(&hdr, &filter, len, NULL, 0);
}
int
octeontx_bgx_port_mac_del(int port, uint32_t index)
{
struct octeontx_mbox_hdr hdr;
int len = sizeof(uint32_t);
int res = 0;
hdr.coproc = OCTEONTX_BGX_COPROC;
hdr.msg = MBOX_BGX_PORT_DEL_MACADDR;
hdr.vfid = port;
res = octeontx_mbox_send(&hdr, &index, len, NULL, 0);
if (res < 0)
return -EACCES;
return res;
}
int
octeontx_bgx_port_mac_entries_get(int port)
{
struct octeontx_mbox_hdr hdr;
int resp = 6;
int res = 0;
hdr.coproc = OCTEONTX_BGX_COPROC;
hdr.msg = MBOX_BGX_PORT_GET_MACADDR_ENTRIES;
hdr.vfid = port;
res = octeontx_mbox_send(&hdr, NULL, 0, &resp, sizeof(int));
if (res < 0)
return -EACCES;
return resp;
}
int octeontx_bgx_port_get_fifo_cfg(int port,
octeontx_mbox_bgx_port_fifo_cfg_t *cfg)
{
int len = sizeof(octeontx_mbox_bgx_port_fifo_cfg_t);
octeontx_mbox_bgx_port_fifo_cfg_t conf;
struct octeontx_mbox_hdr hdr;
hdr.coproc = OCTEONTX_BGX_COPROC;
hdr.msg = MBOX_BGX_PORT_GET_FIFO_CFG;
hdr.vfid = port;
if (octeontx_mbox_send(&hdr, NULL, 0, &conf, len) < 0)
return -EACCES;
cfg->rx_fifosz = conf.rx_fifosz;
return 0;
}
int octeontx_bgx_port_flow_ctrl_cfg(int port,
octeontx_mbox_bgx_port_fc_cfg_t *cfg)
{
int len = sizeof(octeontx_mbox_bgx_port_fc_cfg_t);
octeontx_mbox_bgx_port_fc_cfg_t conf;
struct octeontx_mbox_hdr hdr;
hdr.coproc = OCTEONTX_BGX_COPROC;
hdr.msg = MBOX_BGX_PORT_FLOW_CTRL_CFG;
hdr.vfid = port;
if (cfg->fc_cfg == BGX_PORT_FC_CFG_SET)
memcpy(&conf, cfg, len);
else
memset(&conf, 0, len);
if (octeontx_mbox_send(&hdr, &conf, len, &conf, len) < 0)
return -EACCES;
if (cfg->fc_cfg == BGX_PORT_FC_CFG_SET)
goto done;
cfg->rx_pause = conf.rx_pause;
cfg->tx_pause = conf.tx_pause;
cfg->low_water = conf.low_water;
cfg->high_water = conf.high_water;
done:
return 0;
}
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