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Searched refs:tp_block_size (Results 1 – 7 of 7) sorted by relevance

/linux-6.12.1/tools/testing/selftests/net/
Dpsock_tpacket.c632 ring->req.tp_block_size = getpagesize() << 2; in __v1_v2_fill()
636 ring->req.tp_frame_nr = ring->req.tp_block_size / in __v1_v2_fill()
640 ring->mm_len = ring->req.tp_block_size * ring->req.tp_block_nr; in __v1_v2_fill()
653 ring->req3.tp_block_size = getpagesize() << 2; in __v3_fill()
657 ring->req3.tp_frame_nr = ring->req3.tp_block_size / in __v3_fill()
661 ring->mm_len = ring->req3.tp_block_size * ring->req3.tp_block_nr; in __v3_fill()
664 ring->flen = ring->req3.tp_block_size; in __v3_fill()
Dtxring_overwrite.c105 req.tp_block_size = getpagesize(); in setup_tx()
114 *ring = mmap(0, req.tp_block_size * req.tp_block_nr, in setup_tx()
Dtoeplitz.c269 req3.tp_block_size = req3.tp_frame_size * req3.tp_frame_nr; in setup_ring()
270 req3.tp_block_size /= req3.tp_block_nr; in setup_ring()
275 ring_block_sz = req3.tp_block_size; in setup_ring()
278 ring = mmap(0, req3.tp_block_size * req3.tp_block_nr, in setup_ring()
Dpsock_fanout.c193 .tp_block_size = getpagesize(), in sock_fanout_open_ring()
212 ring = mmap(0, req.tp_block_size * req.tp_block_nr, in sock_fanout_open_ring()
/linux-6.12.1/include/uapi/linux/
Dif_packet.h276 unsigned int tp_block_size; /* Minimal size of contiguous block */ member
283 unsigned int tp_block_size; /* Minimal size of contiguous block */ member
/linux-6.12.1/Documentation/networking/
Dpacket_mmap.rst205 unsigned int tp_block_size; /* Minimal size of contiguous block */
217 region of memory and holds tp_block_size/tp_frame_size frames. The total number
220 frames_per_block = tp_block_size/tp_frame_size
228 tp_block_size= 4096
395 - tp_block_size must be a multiple of PAGE_SIZE (1)
400 Note that tp_block_size should be chosen to be a power of two or there will
413 If tp_frame_size is a divisor of tp_block_size frames will be
415 tp_block_size/tp_frame_size frames there will be a gap between
846 ring->req.tp_block_size = blocksiz;
860 ring->map = mmap(NULL, ring->req.tp_block_size * ring->req.tp_block_nr,
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/linux-6.12.1/net/packet/
Daf_packet.c682 p1->kblk_size = req_u->req3.tp_block_size; in init_prb_bdqc()
692 req_u->req3.tp_block_size); in init_prb_bdqc()
4514 if (unlikely((int)req->tp_block_size <= 0)) in packet_set_ring()
4516 if (unlikely(!PAGE_ALIGNED(req->tp_block_size))) in packet_set_ring()
4520 req->tp_block_size < in packet_set_ring()
4528 rb->frames_per_block = req->tp_block_size / req->tp_frame_size; in packet_set_ring()
4538 order = get_order(req->tp_block_size); in packet_set_ring()
4604 rb->pg_vec_pages = req->tp_block_size/PAGE_SIZE; in packet_set_ring()