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sfc: support setting MTU even if not privileged to configure MAC fully

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Unprivileged functions (such as VFs) may set their MTU by use of the
 'control' field of MC_CMD_SET_MAC_EXT, as used in efx_mcdi_set_mtu().
If calling efx_ef10_mac_reconfigure() from efx_change_mtu(), and the
 NIC supports the above (SET_MAC_ENHANCED capability), use it rather
 than efx_mcdi_set_mac().

Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Edward Cree
2020-07-02 17:27:35 +01:00
committed by David S. Miller
parent e44f65fd66
commit af3c38d3fb
7 changed files with 16 additions and 23 deletions
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4
drivers/net/ethernet/sfc/efx.c
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@@ -169,10 +169,6 @@ static int efx_init_port(struct efx_nic *efx)
efx->port_initialized = true;
/* Reconfigure the MAC before creating dma queues (required for
* Falcon/A1 where RX_INGR_EN/TX_DRAIN_EN isn't supported) */
efx_mac_reconfigure(efx);
/* Ensure the PHY advertises the correct flow control settings */
rc = efx->phy_op->reconfigure(efx);
if (rc && rc != -EPERM)