Searched hist:"0 dcf7f500b0a56c0c58deeeac7692fe213aa08b1" (Results 1 – 6 of 6) sorted by relevance
/openbmc/linux/drivers/net/ethernet/netronome/nfp/ |
H A D | nfp_net_dp.c | diff 0dcf7f500b0a56c0c58deeeac7692fe213aa08b1 Mon Mar 21 05:42:05 CDT 2022 Jakub Kicinski <jakub.kicinski@netronome.com> nfp: use TX ring pointer write back
Newer versions of the PCIe microcode support writing back the position of the TX pointer back into host memory. This speeds up TX completions, because we avoid a read from device memory (replacing PCIe read with DMA coherent read).
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Fei Qin <fei.qin@corigine.com> Signed-off-by: Simon Horman <simon.horman@corigine.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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H A D | nfp_net_dp.h | diff 0dcf7f500b0a56c0c58deeeac7692fe213aa08b1 Mon Mar 21 05:42:05 CDT 2022 Jakub Kicinski <jakub.kicinski@netronome.com> nfp: use TX ring pointer write back
Newer versions of the PCIe microcode support writing back the position of the TX pointer back into host memory. This speeds up TX completions, because we avoid a read from device memory (replacing PCIe read with DMA coherent read).
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Fei Qin <fei.qin@corigine.com> Signed-off-by: Simon Horman <simon.horman@corigine.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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H A D | nfp_net_debugfs.c | diff 0dcf7f500b0a56c0c58deeeac7692fe213aa08b1 Mon Mar 21 05:42:05 CDT 2022 Jakub Kicinski <jakub.kicinski@netronome.com> nfp: use TX ring pointer write back
Newer versions of the PCIe microcode support writing back the position of the TX pointer back into host memory. This speeds up TX completions, because we avoid a read from device memory (replacing PCIe read with DMA coherent read).
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Fei Qin <fei.qin@corigine.com> Signed-off-by: Simon Horman <simon.horman@corigine.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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H A D | nfp_net.h | diff 0dcf7f500b0a56c0c58deeeac7692fe213aa08b1 Mon Mar 21 05:42:05 CDT 2022 Jakub Kicinski <jakub.kicinski@netronome.com> nfp: use TX ring pointer write back
Newer versions of the PCIe microcode support writing back the position of the TX pointer back into host memory. This speeds up TX completions, because we avoid a read from device memory (replacing PCIe read with DMA coherent read).
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Fei Qin <fei.qin@corigine.com> Signed-off-by: Simon Horman <simon.horman@corigine.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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H A D | nfp_net_common.c | diff 0dcf7f500b0a56c0c58deeeac7692fe213aa08b1 Mon Mar 21 05:42:05 CDT 2022 Jakub Kicinski <jakub.kicinski@netronome.com> nfp: use TX ring pointer write back
Newer versions of the PCIe microcode support writing back the position of the TX pointer back into host memory. This speeds up TX completions, because we avoid a read from device memory (replacing PCIe read with DMA coherent read).
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Fei Qin <fei.qin@corigine.com> Signed-off-by: Simon Horman <simon.horman@corigine.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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/openbmc/linux/drivers/net/ethernet/netronome/nfp/nfd3/ |
H A D | dp.c | diff 0dcf7f500b0a56c0c58deeeac7692fe213aa08b1 Mon Mar 21 05:42:05 CDT 2022 Jakub Kicinski <jakub.kicinski@netronome.com> nfp: use TX ring pointer write back
Newer versions of the PCIe microcode support writing back the position of the TX pointer back into host memory. This speeds up TX completions, because we avoid a read from device memory (replacing PCIe read with DMA coherent read).
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Fei Qin <fei.qin@corigine.com> Signed-off-by: Simon Horman <simon.horman@corigine.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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