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/linux/tools/testing/selftests/net/
A Dioam6.sh263 ip link del ioam-veth-alpha 2>/dev/null || true
266 ip netns del ioam-node-alpha || true
278 ip netns add ioam-node-alpha
282 ip link add name ioam-veth-alpha netns ioam-node-alpha type veth \
287 ip -netns ioam-node-alpha link set ioam-veth-alpha name veth0
293 ip -netns ioam-node-alpha link set veth0 up
294 ip -netns ioam-node-alpha link set lo up
296 ip -netns ioam-node-alpha route del db01::/64
434 ip -netns ioam-node-alpha ioam namespace del 123
676 ip -netns ioam-node-alpha ioam namespace add 123
[all …]
/linux/drivers/staging/media/atomisp/pci/isp/kernels/xnr/xnr_3.0/
A Dia_css_xnr3.host.c78 s32 alpha; in compute_alpha() local
82 alpha = XNR_MAX_ALPHA; in compute_alpha()
86 if (alpha > XNR_MAX_ALPHA) in compute_alpha()
87 alpha = XNR_MAX_ALPHA; in compute_alpha()
90 return alpha; in compute_alpha()
168 to->alpha.y0 = alpha_y0; in ia_css_xnr3_encode()
169 to->alpha.u0 = alpha_u0; in ia_css_xnr3_encode()
170 to->alpha.v0 = alpha_v0; in ia_css_xnr3_encode()
171 to->alpha.ydiff = min(max(alpha_ydiff, min_diff), max_diff); in ia_css_xnr3_encode()
172 to->alpha.udiff = min(max(alpha_udiff, min_diff), max_diff); in ia_css_xnr3_encode()
[all …]
/linux/net/ipv4/
A Dtcp_illinois.c50 u32 alpha; /* Additive increase */ member
73 ca->alpha = ALPHA_MAX; in tcp_illinois_init()
140 static u32 alpha(struct illinois *ca, u32 da, u32 dm) in alpha() function
153 return ca->alpha; in alpha()
228 ca->alpha = ALPHA_BASE; in update_params()
234 ca->alpha = alpha(ca, da, dm); in update_params()
249 ca->alpha = ALPHA_BASE; in tcp_illinois_state()
286 delta = (tp->snd_cwnd_cnt * ca->alpha) >> ALPHA_SHIFT; in tcp_illinois_cong_avoid()
A Dtcp_dctcp.c121 u32 alpha = ca->dctcp_alpha; in dctcp_update_alpha() local
125 alpha -= min_not_zero(alpha, alpha >> dctcp_shift_g); in dctcp_update_alpha()
135 alpha = min(alpha + delivered_ce, DCTCP_MAX_ALPHA); in dctcp_update_alpha()
141 WRITE_ONCE(ca->dctcp_alpha, alpha); in dctcp_update_alpha()
A Dtcp_htcp.c27 u32 alpha; /* Fixed point arith, << 7 */ member
127 if (ca->packetcount >= tp->snd_cwnd - (ca->alpha >> 7 ? : 1) && in measure_achieved_throughput()
194 ca->alpha = 2 * factor * ((1 << 7) - ca->beta); in htcp_alpha_update()
195 if (!ca->alpha) in htcp_alpha_update()
196 ca->alpha = ALPHA_BASE; in htcp_alpha_update()
245 if ((tp->snd_cwnd_cnt * ca->alpha)>>7 >= tp->snd_cwnd) { in htcp_cong_avoid()
262 ca->alpha = ALPHA_BASE; in htcp_init()
A Dtcp_vegas.c44 static int alpha = 2; variable
48 module_param(alpha, int, 0644);
49 MODULE_PARM_DESC(alpha, "lower bound of packets in network");
260 } else if (diff < alpha) { in tcp_vegas_cong_avoid()
/linux/drivers/gpu/drm/imx/dcss/
A Ddcss-dtg.c91 u32 alpha; member
173 dtg->alpha = 255; in dcss_dtg_init()
176 ((dtg->alpha << DEFAULT_FG_ALPHA_POS) & DEFAULT_FG_ALPHA_MASK); in dcss_dtg_init()
280 bool dcss_dtg_global_alpha_changed(struct dcss_dtg *dtg, int ch_num, int alpha) in dcss_dtg_global_alpha_changed() argument
285 return alpha != dtg->alpha; in dcss_dtg_global_alpha_changed()
289 const struct drm_format_info *format, int alpha) in dcss_dtg_plane_alpha_set() argument
299 if (!format->has_alpha || alpha != 255) in dcss_dtg_plane_alpha_set()
300 dtg->alpha_cfg = (alpha << DEFAULT_FG_ALPHA_POS) & DEFAULT_FG_ALPHA_MASK; in dcss_dtg_plane_alpha_set()
304 dtg->alpha = alpha; in dcss_dtg_plane_alpha_set()
/linux/tools/testing/selftests/bpf/progs/
A Dbpf_dctcp.c117 __u32 alpha = ca->dctcp_alpha; in BPF_PROG() local
121 alpha -= min_not_zero(alpha, alpha >> dctcp_shift_g); in BPF_PROG()
131 alpha = min(alpha + delivered_ce, DCTCP_MAX_ALPHA); in BPF_PROG()
133 ca->dctcp_alpha = alpha; in BPF_PROG()
/linux/arch/alpha/
A DMakefile39 head-y := arch/alpha/kernel/head.o
41 libs-y += arch/alpha/lib/
47 boot := arch/alpha/boot
59 $(Q)$(MAKE) $(build)=arch/alpha/kernel/syscalls all
/linux/drivers/gpu/drm/vkms/
A Dvkms_composer.c54 static u8 blend_channel(u8 src, u8 dst, u8 alpha) in blend_channel() argument
59 pre_blend = (src * 255 + dst * (255 - alpha)); in blend_channel()
79 u8 alpha; in alpha_blend() local
81 alpha = argb_src[3]; in alpha_blend()
82 argb_dst[0] = blend_channel(argb_src[0], argb_dst[0], alpha); in alpha_blend()
83 argb_dst[1] = blend_channel(argb_src[1], argb_dst[1], alpha); in alpha_blend()
84 argb_dst[2] = blend_channel(argb_src[2], argb_dst[2], alpha); in alpha_blend()
/linux/Documentation/userspace-api/media/v4l/
A Dvidioc-g-fbuf.rst245 - The device supports alpha blending using a global alpha value.
249 - The device supports clipping/blending using the inverted alpha
302 - Use the alpha channel of the framebuffer to clip or blend
304 output = framebuffer pixel * alpha + video pixel * (1 - alpha).
305 The actual alpha depth depends on the framebuffer pixel format.
308 - Use a global alpha value to blend the framebuffer with video
309 images. The blend function is: output = (framebuffer pixel * alpha
310 + video pixel * (255 - alpha)) / 255. The alpha value is
319 but with an inverted alpha value. The blend function is: output =
320 framebuffer pixel * (1 - alpha) + video pixel * alpha. The actual
[all …]
A Dpixfmt-rgb.rst17 presence of an alpha component or additional padding bits.
19 The usage and value of the alpha bits in formats that support them (named ARGB
20 or a permutation thereof, collectively referred to as alpha formats) depend on
22 (including capture queues of mem-to-mem devices) fill the alpha component in
23 memory. When the device captures an alpha channel the alpha component will have
25 but can set the alpha bit to a user-configurable value, the
26 :ref:`V4L2_CID_ALPHA_COMPONENT <v4l2-alpha-component>` control is used to
27 specify that alpha value, and the alpha component of all pixels will be set to
29 an alpha component (XRGB or XBGR) must be used instead of an alpha format.
33 memory. When the device processes the alpha channel the alpha component must be
[all …]
/linux/kernel/bpf/
A Dtnum.c76 u64 dv, alpha, beta, chi, mu; in tnum_sub() local
79 alpha = dv + a.mask; in tnum_sub()
81 chi = alpha ^ beta; in tnum_sub()
88 u64 alpha, beta, v; in tnum_and() local
90 alpha = a.value | a.mask; in tnum_and()
93 return TNUM(v, alpha & beta & ~v); in tnum_and()
/linux/drivers/gpu/drm/fsl-dcu/
A Dfsl_dcu_drm_plane.c87 unsigned int alpha = DCU_LAYER_AB_NONE, bpp; in fsl_dcu_drm_plane_atomic_update() local
107 alpha = DCU_LAYER_AB_WHOLE_FRAME; in fsl_dcu_drm_plane_atomic_update()
113 alpha = DCU_LAYER_AB_WHOLE_FRAME; in fsl_dcu_drm_plane_atomic_update()
119 alpha = DCU_LAYER_AB_WHOLE_FRAME; in fsl_dcu_drm_plane_atomic_update()
143 alpha); in fsl_dcu_drm_plane_atomic_update()
/linux/drivers/gpu/drm/nouveau/nvkm/engine/gr/
A Dctxgp102.c44 const u32 alpha = grctx->alpha_nr; in gp102_grctx_generate_attrib() local
65 mmio_wr32(info, 0x40585c, alpha); in gp102_grctx_generate_attrib()
66 mmio_wr32(info, 0x4064c4, ((alpha / 4) << 16) | max_batches); in gp102_grctx_generate_attrib()
70 const u32 as = alpha * gr->ppc_tpc_nr[gpc][ppc]; in gp102_grctx_generate_attrib()
A Dctxgf108.c740 const u32 alpha = grctx->alpha_nr; in gf108_grctx_generate_attrib() local
753 mmio_wr32(info, 0x405830, (beta << 16) | alpha); in gf108_grctx_generate_attrib()
754 mmio_wr32(info, 0x4064c4, ((alpha / 4) << 16) | max_batches); in gf108_grctx_generate_attrib()
758 const u32 a = alpha; in gf108_grctx_generate_attrib()
A Dctxgp100.c49 const u32 alpha = grctx->alpha_nr; in gp100_grctx_generate_attrib() local
69 mmio_wr32(info, 0x40585c, alpha); in gp100_grctx_generate_attrib()
70 mmio_wr32(info, 0x4064c4, ((alpha / 4) << 16) | max_batches); in gp100_grctx_generate_attrib()
74 const u32 as = alpha * gr->ppc_tpc_nr[gpc][ppc]; in gp100_grctx_generate_attrib()
A Dctxgf117.c248 const u32 alpha = grctx->alpha_nr; in gf117_grctx_generate_attrib() local
261 mmio_wr32(info, 0x405830, (beta << 16) | alpha); in gf117_grctx_generate_attrib()
262 mmio_wr32(info, 0x4064c4, ((alpha / 4) << 16) | max_batches); in gf117_grctx_generate_attrib()
266 const u32 a = alpha * gr->ppc_tpc_nr[gpc][ppc]; in gf117_grctx_generate_attrib()
A Dctxgm107.c913 const u32 alpha = grctx->alpha_nr; in gm107_grctx_generate_attrib() local
926 mmio_wr32(info, 0x405830, (attrib << 16) | alpha); in gm107_grctx_generate_attrib()
927 mmio_wr32(info, 0x4064c4, ((alpha / 4) << 16) | max_batches); in gm107_grctx_generate_attrib()
931 const u32 as = alpha * gr->ppc_tpc_nr[gpc][ppc]; in gm107_grctx_generate_attrib()
/linux/drivers/gpu/drm/tegra/
A Dplane.c521 unsigned int *alpha) in tegra_plane_format_get_alpha() argument
524 *alpha = opaque; in tegra_plane_format_get_alpha()
530 *alpha = WIN_COLOR_DEPTH_B5G5R5A1; in tegra_plane_format_get_alpha()
534 *alpha = WIN_COLOR_DEPTH_A1B5G5R5; in tegra_plane_format_get_alpha()
538 *alpha = WIN_COLOR_DEPTH_R8G8B8A8; in tegra_plane_format_get_alpha()
542 *alpha = WIN_COLOR_DEPTH_B8G8R8A8; in tegra_plane_format_get_alpha()
546 *alpha = opaque; in tegra_plane_format_get_alpha()
652 state->blending[index].alpha = true; in tegra_plane_update_transparency()
654 state->blending[index].alpha = false; in tegra_plane_update_transparency()
/linux/net/sched/
A Dsch_pie.c178 q->params.alpha = nla_get_u32(tb[TCA_PIE_ALPHA]); in pie_change()
307 u64 alpha, beta; in pie_calculate_probability() local
337 alpha = ((u64)params->alpha * (MAX_PROB / PSCHED_TICKS_PER_SEC)) >> 4; in pie_calculate_probability()
344 alpha >>= 1; in pie_calculate_probability()
350 alpha >>= 2; in pie_calculate_probability()
357 delta += alpha * (qdelay - params->target); in pie_calculate_probability()
477 nla_put_u32(skb, TCA_PIE_ALPHA, q->params.alpha) || in pie_dump()
/linux/Documentation/devicetree/bindings/display/
A Dxylon,logicvc-display.yaml145 xylon,layer-alpha-mode:
177 - xylon,layer-alpha-mode
248 xylon,layer-alpha-mode = "layer";
258 xylon,layer-alpha-mode = "layer";
267 xylon,layer-alpha-mode = "layer";
276 xylon,layer-alpha-mode = "layer";
285 xylon,layer-alpha-mode = "layer";
/linux/drivers/video/fbdev/omap2/omapfb/dss/
A Doverlay-sysfs.c242 u8 alpha; in overlay_global_alpha_store() local
248 r = kstrtou8(buf, 0, &alpha); in overlay_global_alpha_store()
254 info.global_alpha = alpha; in overlay_global_alpha_store()
284 u8 alpha; in overlay_pre_mult_alpha_store() local
290 r = kstrtou8(buf, 0, &alpha); in overlay_pre_mult_alpha_store()
296 info.pre_mult_alpha = alpha; in overlay_pre_mult_alpha_store()
/linux/drivers/media/platform/vsp1/
A Dvsp1_rpf.c155 (fmtinfo->alpha ? VI6_RPF_ALPH_SEL_ASEL_PACKED in rpf_configure_stream()
161 if (fmtinfo->alpha) { in rpf_configure_stream()
234 rpf->alpha << VI6_RPF_VRTCOL_SET_LAYA_SHIFT); in rpf_configure_frame()
236 (rpf->alpha << VI6_RPF_MULT_ALPHA_RATIO_SHIFT)); in rpf_configure_frame()
238 vsp1_pipeline_propagate_alpha(pipe, dlb, rpf->alpha); in rpf_configure_frame()
/linux/drivers/media/test-drivers/vicodec/
A Dcodec-v4l2-fwht.c103 rf->alpha = NULL; in prepare_raw_frame()
114 rf->alpha = NULL; in prepare_raw_frame()
179 rf->alpha = rf->luma; in prepare_raw_frame()
190 rf->alpha = rf->cr + 1; in prepare_raw_frame()
194 rf->alpha = rf->luma; in prepare_raw_frame()
201 rf->alpha = rf->luma + 3; in prepare_raw_frame()

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