]> git.itanic.dy.fi Git - linux-stable/commit
i40e: Fix ADQ rate limiting for PF
authorPrzemyslaw Patynowski <przemyslawx.patynowski@intel.com>
Tue, 9 Aug 2022 08:57:44 +0000 (10:57 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 15 Sep 2022 09:30:07 +0000 (11:30 +0200)
commitdf82f5ce4f507b62547e8d0a629a38f0a5bc64aa
treec67b2da74230b9465b4b625503433dea82d27c1d
parent39d9de5872b622ceaa739be6a9c632001882cd65
i40e: Fix ADQ rate limiting for PF

[ Upstream commit 45bb006d3c924b1201ed43c87a96b437662dcaa8 ]

Fix HW rate limiting for ADQ.
Fallback to kernel queue selection for ADQ, as it is network stack
that decides which queue to use for transmit with ADQ configured.
Reset PF after creation of VMDq2 VSIs required for ADQ, as to
reprogram TX queue contexts in i40e_configure_tx_ring.
Without this patch PF would limit TX rate only according to TC0.

Fixes: a9ce82f744dc ("i40e: Enable 'channel' mode in mqprio for TC configs")
Signed-off-by: Przemyslaw Patynowski <przemyslawx.patynowski@intel.com>
Signed-off-by: Jan Sokolowski <jan.sokolowski@intel.com>
Tested-by: Bharathi Sreenivas <bharathi.sreenivas@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/net/ethernet/intel/i40e/i40e_main.c
drivers/net/ethernet/intel/i40e/i40e_txrx.c