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sfc: move yet more functions

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Functions are not related.

Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alex Maftei (amaftei) 2020-01-10 13:28:23 +00:00 committed by David S. Miller
parent 960f16275b
commit 314823108c
6 changed files with 66 additions and 64 deletions
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20
drivers/net/ethernet/sfc/ef10.c
View File

@ -189,24 +189,6 @@ static bool efx_ef10_is_vf(struct efx_nic *efx)
return efx->type->is_vf;
}
static int efx_ef10_get_pf_index(struct efx_nic *efx)
{
MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_FUNCTION_INFO_OUT_LEN);
struct efx_ef10_nic_data *nic_data = efx->nic_data;
size_t outlen;
int rc;
rc = efx_mcdi_rpc(efx, MC_CMD_GET_FUNCTION_INFO, NULL, 0, outbuf,
sizeof(outbuf), &outlen);
if (rc)
return rc;
if (outlen < sizeof(outbuf))
return -EIO;
nic_data->pf_index = MCDI_DWORD(outbuf, GET_FUNCTION_INFO_OUT_PF);
return 0;
}
#ifdef CONFIG_SFC_SRIOV
static int efx_ef10_get_vf_index(struct efx_nic *efx)
{
@ -714,7 +696,7 @@ static int efx_ef10_probe(struct efx_nic *efx)
if (rc)
goto fail4;
rc = efx_ef10_get_pf_index(efx);
rc = efx_get_pf_index(efx, &nic_data->pf_index);
if (rc)
goto fail5;

45
drivers/net/ethernet/sfc/efx.c
View File

@ -695,51 +695,6 @@ static void efx_watchdog(struct net_device *net_dev, unsigned int txqueue)
efx_schedule_reset(efx, RESET_TYPE_TX_WATCHDOG);
}
static unsigned int efx_xdp_max_mtu(struct efx_nic *efx)
{
/* The maximum MTU that we can fit in a single page, allowing for
* framing, overhead and XDP headroom.
*/
int overhead = EFX_MAX_FRAME_LEN(0) + sizeof(struct efx_rx_page_state) +
efx->rx_prefix_size + efx->type->rx_buffer_padding +
efx->rx_ip_align + XDP_PACKET_HEADROOM;
return PAGE_SIZE - overhead;
}
/* Context: process, rtnl_lock() held. */
static int efx_change_mtu(struct net_device *net_dev, int new_mtu)
{
struct efx_nic *efx = netdev_priv(net_dev);
int rc;
rc = efx_check_disabled(efx);
if (rc)
return rc;
if (rtnl_dereference(efx->xdp_prog) &&
new_mtu > efx_xdp_max_mtu(efx)) {
netif_err(efx, drv, efx->net_dev,
"Requested MTU of %d too big for XDP (max: %d)\n",
new_mtu, efx_xdp_max_mtu(efx));
return -EINVAL;
}
netif_dbg(efx, drv, efx->net_dev, "changing MTU to %d\n", new_mtu);
efx_device_detach_sync(efx);
efx_stop_all(efx);
mutex_lock(&efx->mac_lock);
net_dev->mtu = new_mtu;
efx_mac_reconfigure(efx);
mutex_unlock(&efx->mac_lock);
efx_start_all(efx);
efx_device_attach_if_not_resetting(efx);
return 0;
}
static int efx_set_mac_address(struct net_device *net_dev, void *data)
{
struct efx_nic *efx = netdev_priv(net_dev);

45
drivers/net/ethernet/sfc/efx_common.c
View File

@ -197,6 +197,51 @@ void efx_link_status_changed(struct efx_nic *efx)
netif_info(efx, link, efx->net_dev, "link down\n");
}
unsigned int efx_xdp_max_mtu(struct efx_nic *efx)
{
/* The maximum MTU that we can fit in a single page, allowing for
* framing, overhead and XDP headroom.
*/
int overhead = EFX_MAX_FRAME_LEN(0) + sizeof(struct efx_rx_page_state) +
efx->rx_prefix_size + efx->type->rx_buffer_padding +
efx->rx_ip_align + XDP_PACKET_HEADROOM;
return PAGE_SIZE - overhead;
}
/* Context: process, rtnl_lock() held. */
int efx_change_mtu(struct net_device *net_dev, int new_mtu)
{
struct efx_nic *efx = netdev_priv(net_dev);
int rc;
rc = efx_check_disabled(efx);
if (rc)
return rc;
if (rtnl_dereference(efx->xdp_prog) &&
new_mtu > efx_xdp_max_mtu(efx)) {
netif_err(efx, drv, efx->net_dev,
"Requested MTU of %d too big for XDP (max: %d)\n",
new_mtu, efx_xdp_max_mtu(efx));
return -EINVAL;
}
netif_dbg(efx, drv, efx->net_dev, "changing MTU to %d\n", new_mtu);
efx_device_detach_sync(efx);
efx_stop_all(efx);
mutex_lock(&efx->mac_lock);
net_dev->mtu = new_mtu;
efx_mac_reconfigure(efx);
mutex_unlock(&efx->mac_lock);
efx_start_all(efx);
efx_device_attach_if_not_resetting(efx);
return 0;
}
/**************************************************************************
*
* Hardware monitor

2
drivers/net/ethernet/sfc/efx_common.h
View File

@ -67,5 +67,7 @@ static inline void efx_fini_mcdi_logging(struct efx_nic *efx) {}
void efx_mac_reconfigure(struct efx_nic *efx);
void efx_link_status_changed(struct efx_nic *efx);
unsigned int efx_xdp_max_mtu(struct efx_nic *efx);
int efx_change_mtu(struct net_device *net_dev, int new_mtu);
#endif

17
drivers/net/ethernet/sfc/mcdi_functions.c
View File

@ -370,3 +370,20 @@ int efx_mcdi_window_mode_to_stride(struct efx_nic *efx, u8 vi_window_mode)
efx->vi_stride);
return 0;
}
int efx_get_pf_index(struct efx_nic *efx, unsigned int *pf_index)
{
MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_FUNCTION_INFO_OUT_LEN);
size_t outlen;
int rc;
rc = efx_mcdi_rpc(efx, MC_CMD_GET_FUNCTION_INFO, NULL, 0, outbuf,
sizeof(outbuf), &outlen);
if (rc)
return rc;
if (outlen < sizeof(outbuf))
return -EIO;
*pf_index = MCDI_DWORD(outbuf, GET_FUNCTION_INFO_OUT_PF);
return 0;
}

1
drivers/net/ethernet/sfc/mcdi_functions.h
View File

@ -27,5 +27,6 @@ void efx_mcdi_rx_init(struct efx_rx_queue *rx_queue);
void efx_mcdi_rx_remove(struct efx_rx_queue *rx_queue);
void efx_mcdi_rx_fini(struct efx_rx_queue *rx_queue);
int efx_mcdi_window_mode_to_stride(struct efx_nic *efx, u8 vi_window_mode);
int efx_get_pf_index(struct efx_nic *efx, unsigned int *pf_index);
#endif