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| /openbmc/linux/drivers/net/ethernet/freescale/enetc/ |
| H A D | enetc.c | diff 4ea1dd743eb6c76dec6ed28fae7e1629961a55af Thu Feb 02 18:11:15 CST 2023 Vladimir Oltean <vladimir.oltean@nxp.com> net: enetc: recalculate num_real_tx_queues when XDP program attaches
Since the blamed net-next commit, enetc_setup_xdp_prog() no longer goes
through enetc_open(), and therefore, the function which was supposed to
detect whether a BPF program exists (in order to crop some TX queues
from network stack usage), enetc_num_stack_tx_queues(), no longer gets
called.
We can move the netif_set_real_num_rx_queues() call to enetc_alloc_msix()
(probe time), since it is a runtime invariant. We can do the same thing
with netif_set_real_num_tx_queues(), and let enetc_reconfigure_xdp_cb()
explicitly recalculate and change the number of stack TX queues.
Fixes: c33bfaf91c4c ("net: enetc: set up XDP program under enetc_reconfigure()")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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