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ecbcd689d7
This series from Tariq adds the support for device-out XDP redirect. Start with a simple RX and XDP cleanups: - Replace call to MPWQE free with dealloc in interface down flow - Do not recycle RX pages in interface down flow - Gather all XDP pre-requisite checks in a single function - Restrict the combination of large MTU and XDP Since now XDP logic is going to be called from TX side as well, generic XDP TX logic is not RX only anymore, for that Tariq creates a new xdp.c file and moves XDP related code into it, and generalizes the code to support XDP TX for XDP redirect, such as the xdp tx sq structures and xdp counters. XDP redirect support: Add implementation for the ndo_xdp_xmit callback. Dedicate a new set of XDP-SQ instances to satisfy the XDP_REDIRECT requests. These instances are totally separated from the existing XDP-SQ objects that satisfy local XDP_TX actions. Performance tests: xdp_redirect_map from ConnectX-5 to ConnectX-5. CPU: Intel(R) Xeon(R) CPU E5-2680 v3 @ 2.50GHz Packet-rate of 64B packets. Single queue: 7 Mpps. Multi queue: 55 Mpps. -Saeed. -----BEGIN PGP SIGNATURE----- iQEcBAABAgAGBQJbWk7YAAoJEEg/ir3gV/o+b+4H/RKfHrDgqRcz+qw2hYqMc/0Q N/s6SaZm/AZi63lOwUeeSGORJSGYxxbwcWFNuI6CZrHEupi0zQivDko+E3fTPeDQ 3Y7jAaLjB0ZsWwEukcgZ1PG1QIYUg2/EBijG+aah9q/TuUfsFYJDRImlXRi5zvSe 34yuLls6ctuoxoet5S5SVWFssdQZ2YpmmMNqVmQIRGDSmd03dhE1WUGUGmPhR5mK vxUBL5X3ucb1lcqxpFnZqsrIZphxkimX0q8qUK1yHk7VU4JXZgikPkRFM1mnlNt0 YosvDlnDqJugBvYspBUx+9au8wxgPwpHEbnGKdS/npsIuNXa0ZFnEky1tp6CzV0= =3CNK -----END PGP SIGNATURE----- Merge tag 'mlx5e-updates-2018-07-26' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux Saeed Mahameed says: ==================== mlx5e-updates-2018-07-26 (XDP redirect) This series from Tariq adds the support for device-out XDP redirect. Start with a simple RX and XDP cleanups: - Replace call to MPWQE free with dealloc in interface down flow - Do not recycle RX pages in interface down flow - Gather all XDP pre-requisite checks in a single function - Restrict the combination of large MTU and XDP Since now XDP logic is going to be called from TX side as well, generic XDP TX logic is not RX only anymore, for that Tariq creates a new xdp.c file and moves XDP related code into it, and generalizes the code to support XDP TX for XDP redirect, such as the xdp tx sq structures and xdp counters. XDP redirect support: Add implementation for the ndo_xdp_xmit callback. Dedicate a new set of XDP-SQ instances to satisfy the XDP_REDIRECT requests. These instances are totally separated from the existing XDP-SQ objects that satisfy local XDP_TX actions. Performance tests: xdp_redirect_map from ConnectX-5 to ConnectX-5. CPU: Intel(R) Xeon(R) CPU E5-2680 v3 @ 2.50GHz Packet-rate of 64B packets. Single queue: 7 Mpps. Multi queue: 55 Mpps. ==================== Signed-off-by: David S. Miller <davem@davemloft.net> |
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