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linux/drivers/net/ethernet/intel/igc
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Florian Kauer c1bca9ac0b igc: Fix launchtime before start of cycle 
It is possible (verified on a running system) that frames are processed
by igc_tx_launchtime with a txtime before the start of the cycle
(baset_est).

However, the result of txtime - baset_est is written into a u32,
leading to a wrap around to a positive number. The following
launchtime > 0 check will only branch to executing launchtime = 0
if launchtime is already 0.

Fix it by using a s32 before checking launchtime > 0.

Fixes: db0b124f02 ("igc: Enhance Qbv scheduling by using first flag bit")
Signed-off-by: Florian Kauer <florian.kauer@linutronix.de>
Reviewed-by: Kurt Kanzenbach <kurt@linutronix.de>
Tested-by: Naama Meir <naamax.meir@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2023-07-10 08:59:08 -07:00
..
igc.h igc: Rename qbv_enable to taprio_offload_enable 2023-07-10 08:40:22 -07:00
igc_base.c igc: remove I226 Qbv BaseTime restriction 2023-01-03 09:35:37 -08:00
igc_base.h igc: read before write to SRRCTL register 2023-05-03 09:19:11 +01:00
igc_defines.h igc: Remove obsolete DMA coalescing code 2023-03-21 11:37:16 -07:00
igc_diag.c
igc_diag.h
igc_dump.c
igc_ethtool.c igc: set TP bit in 'supported' and 'advertising' fields of ethtool_link_ksettings 2023-07-05 11:18:43 -07:00
igc_hw.h igc: offload queue max SDU from tc-taprio 2023-03-07 13:45:56 -08:00
igc_i225.c igc: Remove obsolete DMA coalescing code 2023-03-21 11:37:16 -07:00
igc_i225.h
igc_mac.c
igc_mac.h
igc_main.c igc: Fix launchtime before start of cycle 2023-07-10 08:59:08 -07:00
igc_nvm.c
igc_nvm.h
igc_phy.c
igc_phy.h
igc_ptp.c igc: Handle PPS start time programming for past time values 2023-07-05 11:18:56 -07:00
igc_regs.h igc: Remove obsolete DMA coalescing code 2023-03-21 11:37:16 -07:00
igc_tsn.c igc: No strict mode in pure launchtime/CBS offload 2023-07-10 08:58:16 -07:00
igc_tsn.h igc: Remove reset adapter task for i226 during disable tsn config 2023-01-03 09:36:25 -08:00
igc_xdp.c drivers: net: turn on XDP features 2023-02-02 20:48:23 -08:00
igc_xdp.h
Makefile