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authorTal Gilboa <talgi@mellanox.com>2018-03-30 17:01:51 +0300
committerBjorn Helgaas <helgaas@kernel.org>2018-04-03 16:58:33 +0300
commit33523a361307c097a8a23f3549cb485db5fba6c5 (patch)
tree28dd8eb0a75acbfc0958bf8e8ef5e771ba308dfb /tools/perf/scripts/python/call-graph-from-sql.py
parent00c6bcb0d60e3f05a533d324ca17b21b6af87fea (diff)
downloadlinux-33523a361307c097a8a23f3549cb485db5fba6c5.tar.xz
net/mlx5e: Use pcie_bandwidth_available() to compute bandwidth
Use the new pci_bandwidth_available() function to calculate maximum available bandwidth through the PCI chain instead of computing it ourselves with mlx5e_get_pci_bw(). This is used to detect when the device is capable of more bandwidth than is available in the current slot. The driver may adjust compression settings accordingly. Note that pci_bandwidth_available() accounts for PCIe encoding overhead, so it is more accurate than mlx5e_get_pci_bw() was. Signed-off-by: Tal Gilboa <talgi@mellanox.com> [bhelgaas: remove mlx5e_get_pci_bw() wrapper altogether] Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
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