diff options
| author |   Edward Cree <ecree.xilinx@gmail.com> | 2022-07-28 19:57:48 +0100 |
|---|---|---|
| committer |   Jakub Kicinski <kuba@kernel.org> | 2022-07-29 21:22:06 -0700 |
| commit | f50e8fcda6b8d39db9098f7e1146dc491696ab91 (patch) | |
| tree | 9f560eb39c58de3058f8d889e3c2836b553b7ade /drivers/net/ethernet/sfc/ef100_rx.c | |
| parent | sfc: check ef100 RX packets are from the wire (diff) | |
| download | wireguard-linux-f50e8fcda6b8d39db9098f7e1146dc491696ab91.tar.xz wireguard-linux-f50e8fcda6b8d39db9098f7e1146dc491696ab91.zip | |
sfc: receive packets from EF100 VFs into representors
If the source m-port of a packet in __ef100_rx_packet() is a VF,
hand off the packet to the corresponding representor with
efx_ef100_rep_rx_packet().
Signed-off-by: Edward Cree <ecree.xilinx@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to '')
| -rw-r--r-- | drivers/net/ethernet/sfc/ef100_rx.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/net/ethernet/sfc/ef100_rx.c b/drivers/net/ethernet/sfc/ef100_rx.c index b8da9e3b7bf2..65bbe37753e6 100644 --- a/drivers/net/ethernet/sfc/ef100_rx.c +++ b/drivers/net/ethernet/sfc/ef100_rx.c @@ -85,6 +85,24 @@ void __ef100_rx_packet(struct efx_channel *channel) nic_data = efx->nic_data; if (nic_data->have_mport && ing_port != nic_data->base_mport) { +#ifdef CONFIG_SFC_SRIOV + struct efx_rep *efv; + + rcu_read_lock(); + efv = efx_ef100_find_rep_by_mport(efx, ing_port); + if (efv) { + if (efv->net_dev->flags & IFF_UP) + efx_ef100_rep_rx_packet(efv, rx_buf); + rcu_read_unlock(); + /* Representor Rx doesn't care about PF Rx buffer + * ownership, it just makes a copy. So, we are done + * with the Rx buffer from PF point of view and should + * free it. + */ + goto free_rx_buffer; + } + rcu_read_unlock(); +#endif if (net_ratelimit()) netif_warn(efx, drv, efx->net_dev, "Unrecognised ing_port %04x (base %04x), dropping\n", |