Re: [PATCH v2 net-next 3/4] mlx4: xdp: Reserve headroom for receiving packet when XDP prog is active

2016-12-06 Thread Martin KaFai Lau
On Tue, Dec 06, 2016 at 11:40:19PM +0200, Saeed Mahameed wrote: > On Tue, Dec 6, 2016 at 8:27 PM, Martin KaFai Lau wrote: > > On Tue, Dec 06, 2016 at 06:50:47PM +0200, Saeed Mahameed wrote: > >> On Mon, Dec 5, 2016 at 9:55 PM, Martin KaFai Lau wrote: > >> > On Mon,

Re: [PATCH v2 net-next 3/4] mlx4: xdp: Reserve headroom for receiving packet when XDP prog is active

2016-12-06 Thread Saeed Mahameed
On Tue, Dec 6, 2016 at 8:27 PM, Martin KaFai Lau wrote: > On Tue, Dec 06, 2016 at 06:50:47PM +0200, Saeed Mahameed wrote: >> On Mon, Dec 5, 2016 at 9:55 PM, Martin KaFai Lau wrote: >> > On Mon, Dec 05, 2016 at 02:54:06AM +0200, Saeed Mahameed wrote: >> >> On Sun, Dec

Re: [PATCH v2 net-next 3/4] mlx4: xdp: Reserve headroom for receiving packet when XDP prog is active

2016-12-06 Thread Martin KaFai Lau
On Tue, Dec 06, 2016 at 06:50:47PM +0200, Saeed Mahameed wrote: > On Mon, Dec 5, 2016 at 9:55 PM, Martin KaFai Lau wrote: > > On Mon, Dec 05, 2016 at 02:54:06AM +0200, Saeed Mahameed wrote: > >> On Sun, Dec 4, 2016 at 5:17 AM, Martin KaFai Lau wrote: > >> > Reserve

Re: [PATCH v2 net-next 3/4] mlx4: xdp: Reserve headroom for receiving packet when XDP prog is active

2016-12-06 Thread John Fastabend
On 16-12-06 08:50 AM, Saeed Mahameed wrote: > On Mon, Dec 5, 2016 at 9:55 PM, Martin KaFai Lau wrote: >> On Mon, Dec 05, 2016 at 02:54:06AM +0200, Saeed Mahameed wrote: >>> On Sun, Dec 4, 2016 at 5:17 AM, Martin KaFai Lau wrote: Reserve XDP_PACKET_HEADROOM and

Re: [PATCH v2 net-next 3/4] mlx4: xdp: Reserve headroom for receiving packet when XDP prog is active

2016-12-06 Thread Saeed Mahameed
On Mon, Dec 5, 2016 at 9:55 PM, Martin KaFai Lau wrote: > On Mon, Dec 05, 2016 at 02:54:06AM +0200, Saeed Mahameed wrote: >> On Sun, Dec 4, 2016 at 5:17 AM, Martin KaFai Lau wrote: >> > Reserve XDP_PACKET_HEADROOM and honor bpf_xdp_adjust_head() >> > when XDP prog is

Re: [PATCH v2 net-next 3/4] mlx4: xdp: Reserve headroom for receiving packet when XDP prog is active

2016-12-05 Thread Martin KaFai Lau
On Mon, Dec 05, 2016 at 02:54:06AM +0200, Saeed Mahameed wrote: > On Sun, Dec 4, 2016 at 5:17 AM, Martin KaFai Lau wrote: > > Reserve XDP_PACKET_HEADROOM and honor bpf_xdp_adjust_head() > > when XDP prog is active. This patch only affects the code > > path when XDP is active. > > >

Re: [PATCH v2 net-next 3/4] mlx4: xdp: Reserve headroom for receiving packet when XDP prog is active

2016-12-04 Thread Saeed Mahameed
On Sun, Dec 4, 2016 at 5:17 AM, Martin KaFai Lau wrote: > Reserve XDP_PACKET_HEADROOM and honor bpf_xdp_adjust_head() > when XDP prog is active. This patch only affects the code > path when XDP is active. > > Signed-off-by: Martin KaFai Lau > --- Hi Martin, Sorry

[PATCH v2 net-next 3/4] mlx4: xdp: Reserve headroom for receiving packet when XDP prog is active

2016-12-03 Thread Martin KaFai Lau
Reserve XDP_PACKET_HEADROOM and honor bpf_xdp_adjust_head() when XDP prog is active. This patch only affects the code path when XDP is active. Signed-off-by: Martin KaFai Lau --- drivers/net/ethernet/mellanox/mlx4/en_netdev.c | 17 +++--